/* roulang page: index */
:root {
            --color-primary: #0E1A24;
            --color-secondary: #00C896;
            --color-accent: #E3A72F;
            --color-bg-light: #F5F7F9;
            --color-bg-dark: #0E1A24;
            --color-text-light: #FFFFFF;
            --color-text-dark: #1A2330;
            --color-text-mut: #6B7A8D;
            --color-border-light: rgba(14,26,36,0.06);
            --color-border-dark: rgba(255,255,255,0.08);
            --color-border-gold: rgba(227,167,47,0.35);
            --radius-card: 20px;
            --radius-card-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 24px rgba(14,26,36,0.08);
            --shadow-card-hover: 0 16px 40px rgba(14,26,36,0.16);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.3);
            --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
            --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
            --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
            --section-padding: 72px 0;
            --card-gap: 24px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #0E7A5F;
            text-decoration: underline;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 200, 150, 0.5);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(14, 26, 36, 0.96);
            box-shadow: var(--shadow-nav);
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-text-light);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .nav-menu a.active {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-secondary);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: filter var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 14px rgba(0, 200, 150, 0.3);
        }

        .nav-cta:hover {
            color: #fff;
            text-decoration: none;
            filter: brightness(1.1);
            box-shadow: 0 6px 20px rgba(0, 200, 150, 0.45);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: rgba(14, 26, 36, 0.97);
            border-radius: 20px;
            padding: 16px;
            box-shadow: var(--shadow-nav);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: 12px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }

        .mobile-menu a.active {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 140px 24px 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 26, 36, 0.92) 0%, rgba(14, 26, 36, 0.72) 45%, rgba(0, 200, 150, 0.28) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1100px;
            width: 100%;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-badge .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-secondary);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-text-light);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight-green {
            color: var(--color-secondary);
        }
        .hero-title .highlight-gold {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 32px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 15px 36px;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: filter var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 6px 24px rgba(0, 200, 150, 0.35);
            position: relative;
            overflow: hidden;
        }

        .btn-primary::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -60%;
            width: 40%;
            height: 200%;
            background: rgba(255, 255, 255, 0.15);
            transform: rotate(25deg);
            transition: left 0.6s ease;
        }

        .btn-primary:hover::after {
            left: 120%;
        }

        .btn-primary:hover {
            color: #fff;
            text-decoration: none;
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(0, 200, 150, 0.5);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 15px 32px;
            border-radius: var(--radius-pill);
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }

        .btn-outline-light:hover {
            color: #fff;
            text-decoration: none;
            border-color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.15);
            transform: translateY(-2px);
        }

        .btn-outline-light:active {
            transform: scale(0.97);
        }

        .hero-group-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            padding: 20px 32px;
            border-radius: var(--radius-card);
            background: rgba(14, 26, 36, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            max-width: 760px;
            margin: 0 auto;
        }

        .hero-group-stat {
            text-align: center;
        }

        .hero-group-stat .stat-number {
            font-family: var(--font-family-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .hero-group-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-group-progress {
            flex: 1;
            min-width: 180px;
        }

        .progress-track {
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.15);
            overflow: hidden;
            margin-bottom: 8px;
        }

        .progress-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--gradient-green);
            transition: width 0.8s ease;
        }

        .progress-text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-scroll-hint {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            letter-spacing: 0.5px;
        }

        .hero-scroll-hint .arrow-down {
            width: 20px;
            height: 20px;
            border-right: 2px solid rgba(255, 255, 255, 0.6);
            border-bottom: 2px solid rgba(255, 255, 255, 0.6);
            transform: rotate(45deg);
            animation: scroll-bounce 2s ease-in-out infinite;
        }

        @keyframes scroll-bounce {
            0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
            50% { transform: rotate(45deg) translate(4px, 4px); opacity: 1; }
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: var(--section-padding);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-light {
            background: var(--color-bg-light);
        }

        .section-white {
            background: #fff;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-tag.tag-green {
            background: rgba(0, 200, 150, 0.12);
            color: #0E7A5F;
        }

        .section-tag.tag-gold {
            background: rgba(227, 167, 47, 0.12);
            color: #B87D1E;
        }

        .section-tag.tag-dark {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-accent);
        }

        .section-heading {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-dark .section-heading {
            color: #fff;
        }

        .section-description {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-mut);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-dark .section-description {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 直播预告 ============ */
        .live-section {
            background: var(--color-bg-light);
            padding: 72px 0;
        }

        .live-poster-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: stretch;
        }

        .live-poster-card {
            position: relative;
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            min-height: 360px;
            box-shadow: var(--shadow-card);
        }

        .live-poster-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .live-poster-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14,26,36,0.3) 0%, rgba(14,26,36,0.85) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
        }

        .live-poster-overlay .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(0, 200, 150, 0.85);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            width: fit-content;
            margin-bottom: 12px;
        }

        .live-poster-overlay h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .live-poster-overlay p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        .live-details {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .live-countdown {
            background: var(--color-bg-dark);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .countdown-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-family-num);
        }

        .countdown-unit {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            padding: 8px 12px;
            text-align: center;
            min-width: 52px;
        }

        .countdown-unit .unit-number {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.2;
        }
        .countdown-unit .unit-label {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
        }

        .countdown-separator {
            color: rgba(255, 255, 255, 0.5);
            font-size: 22px;
            font-weight: 700;
        }

        .live-highlights {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .live-highlights h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
        }

        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 15px;
            color: var(--color-text-dark);
        }

        .highlight-list li:last-child {
            border-bottom: none;
        }

        .highlight-list .check-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--gradient-green);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 11px;
            margin-top: 2px;
        }

        .live-subscribe-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 16px 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .live-subscribe-row p {
            font-size: 14px;
            color: var(--color-text-mut);
        }

        /* ============ 看点列表 ============ */
        .highlights-section {
            background: #fff;
            padding: 72px 0;
        }

        .highlights-masonry {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .highlight-card-wide {
            background: var(--color-bg-light);
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .highlight-card-wide:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .highlight-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-green);
            color: #fff;
            font-family: var(--font-family-num);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .highlight-number.gold {
            background: var(--gradient-gold);
        }

        .highlight-card-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 8px;
        }

        .highlight-card-content p {
            font-size: 15px;
            color: var(--color-text-mut);
            line-height: 1.7;
        }

        /* ============ 票种对比 ============ */
        .pricing-section {
            background: var(--color-bg-dark);
            padding: 72px 0;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pricing-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-smooth), border-color var(--transition-fast), background var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .pricing-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 200, 150, 0.4);
            background: rgba(255, 255, 255, 0.07);
        }

        .pricing-card.featured {
            border-color: var(--color-accent);
            background: rgba(227, 167, 47, 0.08);
        }

        .pricing-card.featured::before {
            content: '热门选择';
            position: absolute;
            top: 16px;
            right: -32px;
            background: var(--gradient-gold);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 32px;
            transform: rotate(45deg);
        }

        .pricing-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .pricing-price {
            font-family: var(--font-family-num);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 16px;
        }
        .pricing-card.featured .pricing-price {
            color: var(--color-accent);
        }
        .pricing-price .currency {
            font-size: 18px;
            margin-right: 4px;
        }
        .pricing-price .period {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            font-weight: 400;
        }
        .pricing-features {
            flex: 1;
            margin-bottom: 24px;
        }
        .pricing-features li {
            padding: 8px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .pricing-features li:last-child {
            border-bottom: none;
        }
        .pricing-features li::before {
            content: '✓ ';
            color: var(--color-secondary);
            font-weight: 700;
        }
        .pricing-card.featured .pricing-features li::before {
            color: var(--color-accent);
        }

        /* ============ 最新动态 ============ */
        .updates-section {
            background: var(--color-bg-light);
            padding: 72px 0;
        }

        .updates-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 32px;
        }

        .kpi-widgets {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .kpi-widget {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }
        .kpi-widget .kpi-number {
            font-family: var(--font-family-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .kpi-widget .kpi-label {
            font-size: 13px;
            color: var(--color-text-mut);
        }
        .kpi-widget .kpi-sub {
            font-size: 12px;
            color: var(--color-accent);
            margin-top: 8px;
        }

        .updates-table {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .updates-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .updates-table-header h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
        }
        .updates-table-header .badge-live {
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(0, 200, 150, 0.12);
            color: #0E7A5F;
            font-size: 12px;
            font-weight: 600;
        }
        .updates-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }
        .updates-row:hover {
            background: rgba(0, 200, 150, 0.04);
        }
        .updates-row:last-child {
            border-bottom: none;
        }
        .updates-row .update-time {
            flex-shrink: 0;
            font-family: var(--font-family-num);
            font-size: 13px;
            color: var(--color-text-mut);
            min-width: 52px;
        }
        .updates-row .update-desc {
            flex: 1;
            font-size: 14px;
            color: var(--color-text-dark);
        }
        .updates-row .update-status {
            flex-shrink: 0;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-weight: 600;
        }
        .status-live {
            background: rgba(0, 200, 150, 0.1);
            color: #0E7A5F;
        }
        .status-upcoming {
            background: rgba(227, 167, 47, 0.1);
            color: #B87D1E;
        }
        .status-done {
            background: rgba(107, 122, 141, 0.1);
            color: #6B7A8D;
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro-section {
            background: #fff;
            padding: 72px 0;
        }
        .brand-intro-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .brand-intro-image {
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 320px;
        }
        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .brand-intro-text h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-mut);
            margin-bottom: 12px;
        }

        /* ============ 资讯区 ============ */
        .news-section {
            background: var(--color-bg-light);
            padding: 72px 0;
        }
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }
        .news-main-list {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .news-main-list .news-item {
            display: flex;
            gap: 16px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            align-items: flex-start;
        }
        .news-main-list .news-item:hover {
            background: rgba(0, 200, 150, 0.04);
        }
        .news-item .news-date {
            flex-shrink: 0;
            font-family: var(--font-family-num);
            font-size: 13px;
            color: var(--color-text-mut);
            min-width: 50px;
            padding-top: 3px;
        }
        .news-item .news-title {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            line-height: 1.6;
        }
        .news-item .news-title:hover {
            color: #0E7A5F;
        }
        .news-item .news-tag {
            flex-shrink: 0;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            background: rgba(0, 200, 150, 0.1);
            color: #0E7A5F;
        }
        .news-side-recommend {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
        }
        .news-side-recommend h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
        }
        .side-rec-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: center;
        }
        .side-rec-item:last-child {
            border-bottom: none;
        }
        .side-rec-item img {
            width: 56px;
            height: 42px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .side-rec-item .side-rec-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-dark);
            line-height: 1.5;
        }
        .side-rec-item .side-rec-text:hover {
            color: #0E7A5F;
        }

        /* ============ 提醒订阅 ============ */
        .subscribe-section {
            background: var(--gradient-green);
            padding: 64px 0;
        }
        .subscribe-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .subscribe-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .subscribe-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
            flex: 1;
            max-width: 460px;
            justify-content: flex-end;
        }
        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: var(--radius-pill);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 15px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .subscribe-form input[type="email"]::placeholder,
        .subscribe-form input[type="text"]::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .subscribe-form input[type="email"]:focus,
        .subscribe-form input[type="text"]:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.22);
            outline: none;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            background: #fff;
            color: #0E7A5F;
            font-size: 15px;
            font-weight: 700;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
            text-decoration: none;
            color: #0E7A5F;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #fff;
            padding: 72px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 200, 150, 0.3);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            background: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: #0E7A5F;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-secondary);
            font-size: 18px;
            font-weight: 700;
            transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-secondary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-mut);
        }

        /* ============ 浮动CTA条 ============ */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 900;
            display: none;
        }
        .floating-cta-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 24px;
            border-radius: var(--radius-card);
            background: rgba(14, 26, 36, 0.95);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            color: #fff;
        }
        .floating-cta-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 140px;
        }
        .floating-cta-card .btn-primary {
            padding: 10px 22px;
            font-size: 14px;
            box-shadow: 0 4px 14px rgba(0, 200, 150, 0.4);
        }

        .mobile-bottom-cta {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(14, 26, 36, 0.97);
            backdrop-filter: blur(8px);
            padding: 12px 16px;
            padding-bottom: calc(12px + env(safe-area-inset-bottom));
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .mobile-bottom-cta p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            flex: 1;
        }
        .mobile-bottom-cta .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            box-shadow: 0 4px 14px rgba(0, 200, 150, 0.4);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0A131C;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
        }
        .footer-cols {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }
        .footer-brand-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 42px;
            }
            .section-heading {
                font-size: 28px;
            }
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .pricing-card {
                padding: 24px 20px;
            }
            .footer-cols {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .hero {
                min-height: auto;
                padding: 100px 16px 60px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-group-stats {
                gap: 16px;
                padding: 16px 20px;
            }
            .hero-group-stat .stat-number {
                font-size: 24px;
            }
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
            .live-poster-grid {
                grid-template-columns: 1fr;
            }
            .highlights-masonry {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .updates-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-wrapper {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .floating-cta {
                display: none !important;
            }
            .mobile-bottom-cta {
                display: flex;
            }
            .footer-cols {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding-bottom: 80px;
            }
            .section-heading {
                font-size: 24px;
            }
            .kpi-widgets {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                max-width: 100%;
                justify-content: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container,
            .container-wide {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 28px;
                letter-spacing: -0.2px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 13px 24px;
                font-size: 14px;
            }
            .hero-group-stats {
                flex-direction: column;
                gap: 12px;
                align-items: stretch;
            }
            .hero-group-progress {
                min-width: auto;
            }
            .section-heading {
                font-size: 22px;
            }
            .kpi-widgets {
                grid-template-columns: 1fr;
            }
            .footer-cols {
                grid-template-columns: 1fr;
            }
            .updates-row {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0E1A24;
            --color-secondary: #00C896;
            --color-accent: #E3A72F;
            --color-bg-light: #F5F7F9;
            --color-bg-dark: #0E1A24;
            --color-text-light: #FFFFFF;
            --color-text-dark: #1A2330;
            --color-text-mut: #6B7A8D;
            --color-border-light: rgba(14,26,36,0.06);
            --color-border-dark: rgba(255,255,255,0.08);
            --color-border-gold: rgba(227,167,47,0.35);
            --radius-card: 20px;
            --radius-card-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 24px rgba(14,26,36,0.08);
            --shadow-card-hover: 0 16px 40px rgba(14,26,36,0.16);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.3);
            --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
            --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
            --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
            --section-padding: 72px 0;
            --card-gap: 24px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: #0E7A5F;
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 200, 150, 0.5);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            margin: 12px auto 0;
            transition: all var(--transition-smooth);
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled .nav-capsule {
            background: rgba(14, 26, 36, 0.97);
            box-shadow: var(--shadow-nav);
        }
        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 19px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-text-light);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-menu::-webkit-scrollbar {
            display: none;
        }
        .nav-menu a {
            display: inline-block;
            padding: 7px 11px;
            font-size: 13.5px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-menu a.active {
            color: #fff;
            background: rgba(0, 200, 150, 0.18);
        }
        .nav-menu a.active::after {
            content: '';
            display: block;
            position: absolute;
            bottom: 3px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-secondary);
        }
        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            color: #fff;
            font-size: 13.5px;
            font-weight: 600;
            white-space: nowrap;
            transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 6px 18px rgba(0, 200, 150, 0.35);
        }
        .nav-cta:hover {
            text-decoration: none;
            color: #fff;
            opacity: 0.92;
            box-shadow: 0 8px 24px rgba(0, 200, 150, 0.45);
            transform: translateY(-1px);
        }
        .nav-burger {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
        }
        .nav-burger span {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: #fff;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding: 88px 0 16px;
            background: transparent;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-mut);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-text-mut);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }
        .breadcrumb-nav .separator {
            color: #b0bcc8;
        }
        .breadcrumb-nav .current {
            color: var(--color-secondary);
            font-weight: 600;
        }

        /* ============ 分类简介区 ============ */
        .category-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            padding: 36px 0 52px;
        }
        .category-intro-content .section-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(0, 200, 150, 0.1);
            color: #0E7A5F;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .category-intro-content h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-dark);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .category-intro-content h1 .highlight {
            color: var(--color-secondary);
            position: relative;
        }
        .category-intro-content .intro-desc {
            font-size: 15.5px;
            color: var(--color-text-mut);
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .intro-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .intro-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-dark);
        }
        .intro-stat-item .stat-num {
            font-family: var(--font-family-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1;
        }
        .intro-stat-item .stat-label {
            color: var(--color-text-mut);
            font-size: 13px;
        }
        .category-intro-image {
            position: relative;
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            aspect-ratio: 4 / 3;
        }
        .category-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-intro-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14,26,36,0.35) 0%, rgba(0,200,150,0.18) 100%);
            pointer-events: none;
        }
        .floating-badge {
            position: absolute;
            bottom: 20px;
            right: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(14, 26, 36, 0.88);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .floating-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-secondary);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        /* ============ 主体双栏布局 ============ */
        .events-main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            padding: 20px 0 56px;
            align-items: start;
        }
        .events-grid-section {
            min-width: 0;
        }
        .events-section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .events-section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0;
            letter-spacing: 0.5px;
        }
        .events-section-header .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-mut);
            background: #fff;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .filter-chip:hover {
            color: var(--color-secondary);
            border-color: rgba(0, 200, 150, 0.4);
        }
        .filter-chip.active {
            color: #fff;
            background: var(--gradient-green);
            border-color: transparent;
        }

        /* 赛事卡片 */
        .event-card {
            display: flex;
            gap: 18px;
            align-items: stretch;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            padding: 18px;
            margin-bottom: 18px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .event-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            width: 4px;
            background: var(--gradient-green);
            border-radius: 0 4px 4px 0;
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .event-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 200, 150, 0.25);
        }
        .event-card:hover::before {
            opacity: 1;
        }
        .event-card-thumb {
            flex-shrink: 0;
            width: 140px;
            border-radius: 14px;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }
        .event-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .event-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 10px;
        }
        .event-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }
        .event-card-category {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.1);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }
        .event-card-date {
            font-size: 13px;
            color: var(--color-text-mut);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .event-card-date .date-num {
            font-family: var(--font-family-num);
            font-weight: 700;
            color: var(--color-text-dark);
            font-size: 15px;
        }
        .event-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.4;
            margin: 0;
        }
        .event-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-mut);
        }
        .event-card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .event-card-action {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            border: 1px solid rgba(0, 200, 150, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .event-card-action:hover {
            color: #fff;
            background: var(--gradient-green);
            border-color: transparent;
            text-decoration: none;
        }

        /* 分页占位 */
        .pagination-placeholder {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 24px 0 8px;
        }
        .pagination-placeholder .page-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-mut);
            background: #fff;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .pagination-placeholder .page-item:hover {
            color: var(--color-secondary);
            border-color: rgba(0, 200, 150, 0.4);
        }
        .pagination-placeholder .page-item.active {
            color: #fff;
            background: var(--gradient-green);
            border-color: transparent;
        }
        .pagination-placeholder .page-item.dots {
            border: none;
            background: transparent;
            cursor: default;
        }
        .pagination-placeholder .page-item.dots:hover {
            color: var(--color-text-mut);
            border: none;
        }

        /* ============ 侧边快捷入口 ============ */
        .quick-sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .quick-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: all var(--transition-fast);
        }
        .quick-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .quick-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quick-card h3 .quick-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(0, 200, 150, 0.12);
            color: var(--color-secondary);
            font-size: 14px;
        }
        .quick-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .quick-links li {
            border-bottom: 1px solid var(--color-border-light);
            padding: 10px 0;
        }
        .quick-links li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .quick-links a {
            color: var(--color-text-dark);
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .quick-links a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }
        .quick-links a .arrow {
            color: #b0bcc8;
            font-size: 12px;
            transition: transform var(--transition-fast), color var(--transition-fast);
        }
        .quick-links a:hover .arrow {
            color: var(--color-secondary);
            transform: translateX(4px);
        }
        .quick-card .mini-stat {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-mut);
            margin-top: 12px;
            padding: 8px 12px;
            background: var(--color-bg-light);
            border-radius: 10px;
        }
        .quick-card .mini-stat .mini-num {
            font-family: var(--font-family-num);
            font-weight: 700;
            color: var(--color-accent);
            font-size: 18px;
        }

        /* ============ 数据横条 ============ */
        .data-strip {
            background: var(--color-bg-dark);
            border-radius: var(--radius-card-lg);
            padding: 40px 32px;
            margin: 32px 0 52px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .data-strip::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 200, 150, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .data-strip::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -15%;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(227, 167, 47, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .strip-item {
            position: relative;
            z-index: 1;
        }
        .strip-number {
            font-family: var(--font-family-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.1;
            letter-spacing: 1px;
        }
        .strip-number.gold {
            color: var(--color-accent);
        }
        .strip-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* ============ CTA 区 ============ */
        .cta-section {
            padding: 20px 0 72px;
        }
        .cta-card {
            background: linear-gradient(135deg, #0E1A24 0%, #162836 50%, #1a3a30 100%);
            border-radius: var(--radius-card-lg);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 200, 150, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-card h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            box-shadow: 0 8px 24px rgba(0, 200, 150, 0.35);
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-primary:hover {
            text-decoration: none;
            color: #fff;
            opacity: 0.92;
            box-shadow: 0 12px 32px rgba(0, 200, 150, 0.5);
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            text-decoration: none;
            color: #fff;
            border-color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.1);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-cols {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }
        .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 1px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul a {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .events-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .quick-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 32px 24px;
            }
            .category-intro {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-intro-content h1 {
                font-size: 32px;
            }
            .footer-cols {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(14, 26, 36, 0.97);
                border-radius: 20px;
                padding: 16px;
                box-shadow: var(--shadow-nav);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                font-size: 15px;
                text-align: center;
                border-radius: 12px;
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .category-intro-content h1 {
                font-size: 27px;
            }
            .quick-sidebar {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
            }
            .strip-number {
                font-size: 32px;
            }
            .event-card {
                flex-direction: column;
                padding: 14px;
            }
            .event-card-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .cta-card {
                padding: 36px 20px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .footer-cols {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .breadcrumb-bar {
                padding: 78px 0 10px;
            }
            .category-intro-content h1 {
                font-size: 23px;
            }
            .events-section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .data-strip {
                grid-template-columns: 1fr;
                text-align: left;
                padding: 20px;
            }
            .strip-item {
                display: flex;
                align-items: center;
                gap: 12px;
            }
            .strip-number {
                font-size: 28px;
                min-width: 70px;
            }
            .event-card-title {
                font-size: 15px;
            }
            .event-card-meta {
                gap: 8px;
                font-size: 12px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0E1A24;
            --color-secondary: #00C896;
            --color-accent: #E3A72F;
            --color-bg-light: #F5F7F9;
            --color-bg-dark: #0E1A24;
            --color-text-light: #FFFFFF;
            --color-text-dark: #1A2330;
            --color-text-mut: #6B7A8D;
            --color-border-light: rgba(14,26,36,0.06);
            --color-border-dark: rgba(255,255,255,0.08);
            --color-border-gold: rgba(227,167,47,0.35);
            --radius-card: 20px;
            --radius-card-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 24px rgba(14,26,36,0.08);
            --shadow-card-hover: 0 16px 40px rgba(14,26,36,0.16);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.3);
            --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
            --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
            --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
            --section-padding: 72px 0;
            --card-gap: 24px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #0E7A5F;
            text-decoration: underline;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 200, 150, 0.5);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(14, 26, 36, 0.96);
            box-shadow: var(--shadow-nav);
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-text-light);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .nav-menu a.active {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-secondary);
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 9px 20px;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            background: var(--gradient-green);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-cta:hover {
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 200, 150, 0.35);
        }

        .nav-burger {
            display: none;
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            border: none;
            transition: background var(--transition-fast);
        }

        .nav-burger span {
            display: block;
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: #fff;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .nav-burger:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 26, 36, 0.97);
            z-index: 999;
            flex-direction: column;
            padding: 80px 24px 40px;
            overflow-y: auto;
        }

        .nav-mobile-overlay a {
            display: block;
            padding: 14px 16px;
            font-size: 18px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            border-radius: 12px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-mobile-overlay a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }

        .nav-mobile-overlay a.active {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
        }

        /* ============ 页面头部面包屑 ============ */
        .page-topbar {
            padding: 120px 0 32px;
            background: linear-gradient(180deg, #0E1A24 0%, #0E1A24 70%, transparent 100%);
            color: #fff;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb .current {
            color: var(--color-secondary);
        }

        .page-topbar h1 {
            font-size: 40px;
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .page-topbar .page-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0;
            line-height: 1.8;
        }

        /* ============ 数据总览横幅 ============ */
        .data-overview {
            padding: 32px 0 0;
        }

        .data-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .overview-metric {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .overview-metric:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .overview-metric .metric-number {
            font-family: var(--font-family-num);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 1px;
            line-height: 1.1;
        }

        .overview-metric .metric-number.green {
            color: var(--color-secondary);
        }

        .overview-metric .metric-number.gold {
            color: var(--color-accent);
        }

        .overview-metric .metric-label {
            font-size: 14px;
            color: var(--color-text-mut);
            margin-top: 6px;
        }

        /* ============ 板块标题 ============ */
        .section-title-group {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-secondary);
            border: 1px solid rgba(0, 200, 150, 0.3);
            border-radius: var(--radius-pill);
            background: rgba(0, 200, 150, 0.06);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title-group h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--color-text-dark);
        }

        .section-title-group p {
            font-size: 16px;
            color: var(--color-text-mut);
            margin: 0;
            max-width: 720px;
        }

        /* ============ 图表占位卡 ============ */
        .chart-section {
            padding: 48px 0;
        }

        .chart-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }

        .chart-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
        }

        .chart-card-header h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            color: var(--color-text-dark);
        }

        .chart-card-header .chart-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.08);
            border-radius: var(--radius-pill);
        }

        .bar-chart {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .bar-row {
            display: grid;
            grid-template-columns: 120px 1fr 56px;
            align-items: center;
            gap: 12px;
        }

        .bar-row .bar-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .bar-row .bar-track {
            height: 22px;
            background: var(--color-bg-light);
            border-radius: var(--radius-pill);
            overflow: hidden;
            position: relative;
        }

        .bar-row .bar-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            transition: width 1s ease;
            min-width: 4px;
        }

        .bar-row .bar-fill.gold {
            background: var(--gradient-gold);
        }

        .bar-row .bar-value {
            font-family: var(--font-family-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            text-align: right;
        }

        .bar-row .bar-value.green {
            color: var(--color-secondary);
        }

        .bar-row .bar-value.gold {
            color: var(--color-accent);
        }

        /* ============ 指标列表卡 ============ */
        .metrics-section {
            padding: 48px 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .metric-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 200, 150, 0.2);
        }

        .metric-card .metric-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(0, 200, 150, 0.08);
        }

        .metric-card .metric-icon.gold {
            background: rgba(227, 167, 47, 0.1);
        }

        .metric-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--color-text-dark);
        }

        .metric-card p {
            font-size: 14px;
            color: var(--color-text-mut);
            margin: 0 0 16px;
            line-height: 1.7;
        }

        .metric-card .metric-foot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-secondary);
            font-weight: 600;
        }

        .metric-card .metric-foot .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-secondary);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.5); }
        }

        /* ============ 数据说明区 ============ */
        .data-explain-section {
            padding: 48px 0;
        }

        .explain-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .explain-image-wrap {
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .explain-image-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .explain-image-wrap:hover img {
            transform: scale(1.03);
        }

        .explain-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14,26,36,0.15) 0%, transparent 50%, rgba(0,200,150,0.15) 100%);
            pointer-events: none;
        }

        .explain-text h3 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--color-text-dark);
        }

        .explain-text p {
            font-size: 15px;
            color: var(--color-text-mut);
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .explain-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .explain-list li {
            padding: 10px 0 10px 30px;
            position: relative;
            font-size: 15px;
            color: var(--color-text-dark);
            border-bottom: 1px solid var(--color-border-light);
        }

        .explain-list li:last-child {
            border-bottom: none;
        }

        .explain-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            border-radius: 50%;
            border: 2px solid var(--color-secondary);
            background: rgba(0, 200, 150, 0.08);
        }

        .explain-list li::after {
            content: '';
            position: absolute;
            left: 7px;
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
            width: 4px;
            height: 8px;
            border-right: 2px solid var(--color-secondary);
            border-bottom: 2px solid var(--color-secondary);
        }

        /* ============ 实时更新亮点 ============ */
        .live-highlight-section {
            padding: 48px 0;
            background: var(--color-bg-dark);
            border-radius: var(--radius-card-lg);
            margin-bottom: 48px;
        }

        .live-highlight-section .section-title-group h2 {
            color: #fff;
        }

        .live-highlight-section .section-title-group p {
            color: rgba(255, 255, 255, 0.6);
        }

        .live-highlight-section .section-tag {
            color: var(--color-secondary);
            border-color: rgba(0, 200, 150, 0.3);
            background: rgba(0, 200, 150, 0.1);
        }

        .highlight-strip {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border-dark);
            border-radius: 16px;
            margin-bottom: 12px;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .highlight-strip:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .highlight-strip .live-badge {
            flex-shrink: 0;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: var(--gradient-green);
            border-radius: var(--radius-pill);
            letter-spacing: 1px;
        }

        .highlight-strip .live-badge.gold {
            background: var(--gradient-gold);
        }

        .highlight-strip .live-info {
            flex: 1;
            min-width: 0;
        }

        .highlight-strip .live-info .live-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .highlight-strip .live-info .live-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin: 2px 0 0;
        }

        .highlight-strip .live-time {
            flex-shrink: 0;
            font-family: var(--font-family-num);
            font-size: 13px;
            color: var(--color-secondary);
            font-weight: 600;
        }

        /* ============ CTA 区 ============ */
        .cta-section {
            padding: 56px 0;
        }

        .cta-card {
            background: linear-gradient(135deg, #0E1A24 0%, #163245 50%, #0E1A24 100%);
            border-radius: var(--radius-card-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.08);
            pointer-events: none;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(227, 167, 47, 0.06);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .cta-card .cta-btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--gradient-green);
            border-radius: var(--radius-pill);
            border: none;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
            cursor: pointer;
        }

        .btn-primary:hover {
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 200, 150, 0.4);
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-pill);
            background: transparent;
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
            cursor: pointer;
        }

        .btn-outline-light:hover {
            color: var(--color-secondary);
            border-color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.08);
            text-decoration: none;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-cols {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .explain-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .explain-image-wrap img {
                height: 280px;
            }
            .footer-cols {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .page-topbar {
                padding: 100px 0 24px;
            }
            .page-topbar h1 {
                font-size: 28px;
            }
            .page-topbar .page-subtitle {
                font-size: 15px;
            }
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .overview-metric .metric-number {
                font-size: 28px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .bar-row {
                grid-template-columns: 90px 1fr 44px;
                gap: 8px;
            }
            .bar-row .bar-label {
                font-size: 12px;
            }
            .chart-card {
                padding: 20px 16px;
            }
            .highlight-strip {
                flex-wrap: wrap;
                gap: 8px;
            }
            .highlight-strip .live-info .live-title {
                white-space: normal;
            }
            .section-title-group h2 {
                font-size: 24px;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container,
            .container-wide {
                padding: 0 16px;
            }
            .data-overview-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .overview-metric {
                padding: 16px 14px;
            }
            .overview-metric .metric-number {
                font-size: 26px;
            }
            .bar-row {
                grid-template-columns: 70px 1fr 38px;
                gap: 6px;
            }
            .bar-row .bar-label {
                font-size: 11px;
            }
            .bar-row .bar-track {
                height: 16px;
            }
            .bar-row .bar-value {
                font-size: 11px;
            }
            .explain-image-wrap img {
                height: 200px;
            }
            .footer-cols {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-topbar h1 {
                font-size: 24px;
            }
            .cta-card h2 {
                font-size: 21px;
            }
            .cta-card .cta-btn-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0E1A24;
            --color-secondary: #00C896;
            --color-accent: #E3A72F;
            --color-bg-light: #F5F7F9;
            --color-bg-dark: #0E1A24;
            --color-text-light: #FFFFFF;
            --color-text-dark: #1A2330;
            --color-text-mut: #6B7A8D;
            --color-border-light: rgba(14, 26, 36, 0.06);
            --color-border-dark: rgba(255, 255, 255, 0.08);
            --color-border-gold: rgba(227, 167, 47, 0.35);
            --radius-card: 20px;
            --radius-card-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 24px rgba(14, 26, 36, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(14, 26, 36, 0.16);
            --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.3);
            --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
            --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
            --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
            --section-padding: 72px 0;
            --card-gap: 24px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #0E7A5F;
            text-decoration: underline;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 200, 150, 0.5);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(14, 26, 36, 0.96);
            box-shadow: var(--shadow-nav);
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-text-light);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .nav-menu a.active {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-secondary);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
        }

        .nav-cta:hover {
            filter: brightness(1.1);
            box-shadow: 0 8px 20px rgba(0, 200, 150, 0.35);
            text-decoration: none;
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ 分类页头部 ============ */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(14, 26, 36, 0.95) 0%, rgba(14, 26, 36, 0.78) 55%, rgba(0, 200, 150, 0.18) 100%),
                url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(180deg, transparent 0%, var(--color-bg-light) 100%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb .current {
            color: var(--color-secondary);
        }

        .page-banner h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-banner .banner-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .banner-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
        }

        .banner-tags .tag:hover {
            background: rgba(0, 200, 150, 0.15);
            border-color: rgba(0, 200, 150, 0.4);
            color: var(--color-secondary);
            text-decoration: none;
        }

        /* ============ 精选头条大卡 ============ */
        .featured-section {
            padding: 40px 0 60px;
            position: relative;
            z-index: 1;
        }

        .featured-card {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 0;
            background: #fff;
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .featured-image {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .featured-image .overlay-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--gradient-gold);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .featured-content {
            padding: 44px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }

        .featured-content .featured-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--color-text-mut);
            flex-wrap: wrap;
        }

        .featured-content .featured-meta .dot-sep {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #ccc;
        }

        .featured-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--color-text-dark);
            margin: 0;
        }

        .featured-content .featured-excerpt {
            font-size: 15px;
            color: var(--color-text-mut);
            line-height: 1.8;
            margin: 0;
        }

        .featured-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-pill);
            background: var(--gradient-green);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: filter var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            border: none;
            text-decoration: none;
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 10px 28px rgba(0, 200, 150, 0.35);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            background: transparent;
            border: 1px solid rgba(14, 26, 36, 0.2);
            color: var(--color-text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
        }

        .btn-outline:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            text-decoration: none;
            background: rgba(0, 200, 150, 0.04);
        }

        /* ============ 三列资讯卡流 ============ */
        .news-grid-section {
            padding: 40px 0 60px;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-heading .heading-left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 8px;
        }

        .section-heading .heading-left p {
            font-size: 15px;
            color: var(--color-text-mut);
            margin: 0;
        }

        .section-heading .heading-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-secondary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .section-heading .heading-link:hover {
            color: #0E7A5F;
        }

        .news-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .news-card .card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .news-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .card-image img {
            transform: scale(1.05);
        }

        .news-card .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.75);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .news-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .news-card .card-body .card-date {
            font-size: 12px;
            color: var(--color-text-mut);
            letter-spacing: 0.5px;
        }

        .news-card .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text-dark);
            margin: 0;
        }

        .news-card .card-body .card-excerpt {
            font-size: 14px;
            color: var(--color-text-mut);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .news-card .card-body .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }

        .news-card .card-body .card-link:hover {
            color: #0E7A5F;
            gap: 8px;
            text-decoration: none;
        }

        /* ============ 列表式阅读条目 ============ */
        .reading-list-section {
            padding: 40px 0 60px;
            background: #fff;
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .reading-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .reading-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast), padding-left var(--transition-fast);
            border-radius: 12px;
            padding-left: 12px;
            padding-right: 12px;
        }

        .reading-item:last-child {
            border-bottom: none;
        }

        .reading-item:hover {
            background: rgba(0, 200, 150, 0.04);
            padding-left: 18px;
        }

        .reading-item .item-index {
            font-family: var(--font-family-num);
            font-size: 28px;
            font-weight: 700;
            color: rgba(14, 26, 36, 0.12);
            text-align: center;
            letter-spacing: 1px;
        }

        .reading-item .item-content h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text-dark);
            margin: 0 0 6px;
        }

        .reading-item .item-content .item-meta {
            font-size: 13px;
            color: var(--color-text-mut);
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .reading-item .item-arrow {
            font-size: 18px;
            color: #ccc;
            transition: color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .reading-item:hover .item-arrow {
            color: var(--color-secondary);
            transform: translateX(4px);
        }

        /* ============ 订阅表单区 ============ */
        .subscribe-section {
            padding: 60px 0 70px;
            background: var(--color-bg-light);
        }

        .subscribe-card {
            background: var(--color-primary);
            border-radius: var(--radius-card-lg);
            padding: 48px 44px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.08);
            pointer-events: none;
        }

        .subscribe-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(227, 167, 47, 0.06);
            pointer-events: none;
        }

        .subscribe-info h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .subscribe-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            position: relative;
            z-index: 1;
        }

        .subscribe-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 22px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 15px;
            transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-secondary);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(0, 200, 150, 0.2);
            outline: none;
        }

        .subscribe-form .btn-primary {
            white-space: nowrap;
        }

        .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 12px;
            position: relative;
            z-index: 1;
        }

        /* ============ 精选推荐 CTA ============ */
        .recommend-cta-section {
            padding: 60px 0 70px;
            background: #fff;
        }

        .recommend-cta {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .recommend-mini-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .recommend-mini-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .recommend-mini-card .mini-icon {
            font-size: 28px;
            line-height: 1;
        }

        .recommend-mini-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin: 0;
            line-height: 1.4;
        }

        .recommend-mini-card p {
            font-size: 13px;
            color: var(--color-text-mut);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-accent) 50%, var(--color-secondary) 100%);
        }

        .footer-cols {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-secondary);
            text-decoration: none;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ============ 响应式 ============ */
        @media screen and (max-width: 1024px) {
            .featured-card {
                grid-template-columns: 1fr;
            }

            .featured-image {
                min-height: 260px;
            }

            .featured-content {
                padding: 32px 28px;
            }

            .news-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .recommend-cta {
                grid-template-columns: repeat(2, 1fr);
            }

            .subscribe-card {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px;
                border-radius: 20px;
                background: rgba(14, 26, 36, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                box-shadow: var(--shadow-nav);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 12px 18px;
                font-size: 15px;
            }

            .nav-cta {
                font-size: 13px;
                padding: 8px 16px;
            }

            .page-banner {
                padding: 120px 0 60px;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .news-card-grid {
                grid-template-columns: 1fr;
            }

            .reading-item {
                grid-template-columns: 50px 1fr;
                gap: 14px;
                padding: 16px 8px;
            }

            .reading-item .item-index {
                font-size: 22px;
            }

            .reading-item .item-arrow {
                display: none;
            }

            .reading-item .item-content h3 {
                font-size: 15px;
            }

            .subscribe-card {
                padding: 32px 24px;
            }

            .subscribe-info h2 {
                font-size: 22px;
            }

            .footer-cols {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media screen and (max-width: 520px) {
            .container,
            .container-wide {
                padding: 0 16px;
            }

            .site-header {
                width: calc(100% - 20px);
                top: 10px;
            }

            .nav-logo {
                font-size: 17px;
            }

            .nav-cta {
                font-size: 12px;
                padding: 7px 12px;
            }

            .page-banner h1 {
                font-size: 26px;
            }

            .page-banner .banner-sub {
                font-size: 15px;
            }

            .featured-content {
                padding: 24px 20px;
            }

            .featured-content h2 {
                font-size: 20px;
            }

            .section-heading .heading-left h2 {
                font-size: 22px;
            }

            .recommend-cta {
                grid-template-columns: 1fr;
            }

            .footer-cols {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .subscribe-card {
                padding: 24px 18px;
                border-radius: 16px;
            }

            .subscribe-form .form-row {
                flex-direction: column;
            }

            .subscribe-form input[type="email"] {
                min-width: 100%;
            }

            .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
        --color-primary: #0E1A24;
        --color-secondary: #00C896;
        --color-accent: #E3A72F;
        --color-bg-light: #F5F7F9;
        --color-bg-dark: #0E1A24;
        --color-text-light: #FFFFFF;
        --color-text-dark: #1A2330;
        --color-text-mut: #6B7A8D;
        --color-border-light: rgba(14,26,36,0.06);
        --color-border-dark: rgba(255,255,255,0.08);
        --color-border-gold: rgba(227,167,47,0.35);
        --radius-card: 20px;
        --radius-card-lg: 24px;
        --radius-pill: 999px;
        --shadow-card: 0 6px 24px rgba(14,26,36,0.08);
        --shadow-card-hover: 0 16px 40px rgba(14,26,36,0.16);
        --shadow-nav: 0 4px 16px rgba(0,0,0,0.3);
        --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
        --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
        --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
        --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
        --section-padding: 72px 0;
        --card-gap: 24px;
        --transition-fast: 0.25s ease;
        --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-family-cn);
        font-size: 16px;
        line-height: 1.7;
        color: var(--color-text-dark);
        background-color: var(--color-bg-light);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        padding-top: 72px;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    a {
        color: var(--color-secondary);
        text-decoration: none;
        transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
    }

    a:hover {
        color: #0E7A5F;
        text-decoration: underline;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid rgba(0, 200, 150, 0.5);
        outline-offset: 2px;
    }

    button {
        cursor: pointer;
        font-family: inherit;
        font-size: inherit;
        border: none;
        background: none;
    }

    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .container-wide {
        max-width: 1240px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ============ 导航 ============ */
    .site-header {
        position: fixed;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1000;
        width: calc(100% - 32px);
        max-width: 1100px;
        transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
    }

    .nav-capsule {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 8px 16px;
        border-radius: var(--radius-pill);
        background: rgba(14, 26, 36, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
    }

    .site-header.scrolled .nav-capsule {
        background: rgba(14, 26, 36, 0.96);
        box-shadow: var(--shadow-nav);
    }

    .nav-logo {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        font-size: 20px;
        color: var(--color-text-light);
        letter-spacing: 1px;
        white-space: nowrap;
    }

    .nav-logo .logo-dot {
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--gradient-gold);
        flex-shrink: 0;
    }

    .nav-logo:hover {
        text-decoration: none;
        color: var(--color-text-light);
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-menu::-webkit-scrollbar {
        display: none;
    }

    .nav-menu a {
        display: inline-block;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.7);
        border-radius: var(--radius-pill);
        white-space: nowrap;
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
    }

    .nav-menu a:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
        text-decoration: none;
    }

    .nav-menu a.active {
        color: var(--color-secondary);
        font-weight: 600;
    }

    .nav-menu a.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 16px;
        height: 3px;
        border-radius: 3px;
        background: var(--color-secondary);
    }

    .nav-cta {
        flex-shrink: 0;
        display: inline-block;
        padding: 10px 22px;
        font-size: 14px;
        font-weight: 600;
        color: #fff;
        background: var(--gradient-green);
        border-radius: var(--radius-pill);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .nav-cta:hover {
        color: #fff;
        text-decoration: none;
        box-shadow: 0 8px 20px rgba(0, 200, 150, 0.35);
        transform: translateY(-1px);
    }

    .nav-toggle {
        display: none;
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
        position: relative;
    }

    .nav-toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: #fff;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        transition: all var(--transition-fast);
    }

    .nav-toggle span:nth-child(1) { top: 13px; }
    .nav-toggle span:nth-child(2) { top: 19px; }
    .nav-toggle span:nth-child(3) { top: 25px; }

    /* ============ 页面头部 ============ */
    .page-hero {
        background: var(--color-primary);
        background-image: linear-gradient(135deg, rgba(14,26,36,0.94) 0%, rgba(14,26,36,0.8) 50%, rgba(0,200,150,0.15) 100%), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        color: #fff;
        padding: 80px 0 60px;
        position: relative;
        overflow: hidden;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 80px;
        background: linear-gradient(180deg, transparent 0%, var(--color-bg-light) 100%);
        pointer-events: none;
    }

    .breadcrumb-row {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255,255,255,0.6);
        margin-bottom: 24px;
        position: relative;
        z-index: 1;
    }

    .breadcrumb-row a {
        color: rgba(255,255,255,0.6);
    }

    .breadcrumb-row a:hover {
        color: #fff;
    }

    .breadcrumb-row .sep {
        color: rgba(255,255,255,0.4);
    }

    .breadcrumb-row .current {
        color: var(--color-secondary);
    }

    .page-hero h1 {
        font-size: 44px;
        font-weight: 700;
        margin-bottom: 20px;
        position: relative;
        z-index: 1;
        letter-spacing: 1px;
    }

    .page-hero h1 span {
        color: var(--color-accent);
    }

    .page-hero .hero-sub {
        font-size: 18px;
        color: rgba(255,255,255,0.75);
        max-width: 680px;
        position: relative;
        z-index: 1;
        line-height: 1.8;
    }

    .hero-stats-row {
        display: flex;
        gap: 40px;
        margin-top: 32px;
        position: relative;
        z-index: 1;
        flex-wrap: wrap;
    }

    .hero-stat-item {
        display: flex;
        align-items: baseline;
        gap: 10px;
    }

    .hero-stat-item .stat-num {
        font-family: var(--font-family-num);
        font-size: 32px;
        font-weight: 700;
        color: var(--color-accent);
    }

    .hero-stat-item .stat-label {
        font-size: 14px;
        color: rgba(255,255,255,0.6);
    }

    /* ============ 板块通用 ============ */
    .section {
        padding: var(--section-padding);
        position: relative;
    }

    .section-dark {
        background: var(--color-bg-dark);
        color: #fff;
    }

    .section-light {
        background: var(--color-bg-light);
    }

    .section-white {
        background: #fff;
    }

    .section-head {
        margin-bottom: 48px;
    }

    .section-head h2 {
        font-size: 32px;
        font-weight: 700;
        color: inherit;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }

    .section-head p {
        font-size: 16px;
        color: var(--color-text-mut);
        max-width: 680px;
        line-height: 1.8;
    }

    .section-dark .section-head p {
        color: rgba(255,255,255,0.6);
    }

    .section-tag {
        display: inline-block;
        padding: 6px 16px;
        font-size: 13px;
        font-weight: 600;
        color: var(--color-secondary);
        background: rgba(0, 200, 150, 0.1);
        border-radius: var(--radius-pill);
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .section-dark .section-tag {
        background: rgba(0, 200, 150, 0.15);
    }

    /* ============ 话题卡片网格 ============ */
    .topics-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--card-gap);
    }

    .topic-card {
        background: #fff;
        border-radius: var(--radius-card);
        padding: 28px;
        border: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-card);
        transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
        display: flex;
        flex-direction: column;
        position: relative;
        overflow: hidden;
    }

    .topic-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-green);
        opacity: 0;
        transition: opacity var(--transition-fast);
        border-radius: var(--radius-card) var(--radius-card) 0 0;
    }

    .topic-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(0, 200, 150, 0.25);
    }

    .topic-card:hover::before {
        opacity: 1;
    }

    .topic-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 52px;
        height: 52px;
        border-radius: 14px;
        font-size: 26px;
        margin-bottom: 18px;
        background: rgba(0, 200, 150, 0.08);
        flex-shrink: 0;
    }

    .topic-card h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 10px;
        color: var(--color-text-dark);
    }

    .topic-card p {
        font-size: 15px;
        color: var(--color-text-mut);
        margin-bottom: 20px;
        flex: 1;
    }

    .topic-card .topic-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--color-text-mut);
        border-top: 1px solid var(--color-border-light);
        padding-top: 16px;
    }

    .topic-card .topic-meta span {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .topic-badge {
        display: inline-block;
        padding: 4px 12px;
        font-size: 12px;
        font-weight: 600;
        color: var(--color-accent);
        background: rgba(227, 167, 47, 0.12);
        border-radius: var(--radius-pill);
    }

    /* ============ 用户活跃区 ============ */
    .users-strip {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 32px;
        justify-content: center;
    }

    .user-chip {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 18px;
        background: #fff;
        border-radius: var(--radius-pill);
        border: 1px solid var(--color-border-light);
        box-shadow: 0 2px 8px rgba(14,26,36,0.04);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .user-chip:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-card);
    }

    .user-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--gradient-green);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        flex-shrink: 0;
    }

    .user-avatar.gold {
        background: var(--gradient-gold);
    }

    .user-avatar.dark {
        background: var(--color-primary);
    }

    .user-info {
        display: flex;
        flex-direction: column;
        line-height: 1.3;
    }

    .user-info .nickname {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text-dark);
    }

    .user-info .user-level {
        font-size: 12px;
        color: var(--color-text-mut);
    }

    /* ============ 热帖列表 ============ */
    .hot-posts-list {
        background: #fff;
        border-radius: var(--radius-card-lg);
        border: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-card);
        overflow: hidden;
    }

    .hot-post-item {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 24px 28px;
        border-bottom: 1px solid var(--color-border-light);
        transition: background var(--transition-fast);
    }

    .hot-post-item:last-child {
        border-bottom: none;
    }

    .hot-post-item:hover {
        background: rgba(0, 200, 150, 0.03);
    }

    .hot-post-rank {
        flex-shrink: 0;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-family-num);
        font-weight: 700;
        font-size: 18px;
        color: #fff;
        background: var(--gradient-green);
    }

    .hot-post-rank.gold {
        background: var(--gradient-gold);
    }

    .hot-post-rank.silver {
        background: linear-gradient(135deg, #6B7A8D 0%, #4A5568 100%);
    }

    .hot-post-content {
        flex: 1;
        min-width: 0;
    }

    .hot-post-content h3 {
        font-size: 17px;
        font-weight: 600;
        margin-bottom: 6px;
        color: var(--color-text-dark);
        line-height: 1.5;
    }

    .hot-post-content .post-excerpt {
        font-size: 14px;
        color: var(--color-text-mut);
        margin-bottom: 10px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .hot-post-content .post-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 13px;
        color: var(--color-text-mut);
    }

    .post-tag {
        display: inline-block;
        padding: 2px 10px;
        font-size: 12px;
        font-weight: 500;
        border-radius: 4px;
        background: rgba(0, 200, 150, 0.08);
        color: #0E7A5F;
    }

    /* ============ 发帖按钮 ============ */
    .publish-cta {
        display: flex;
        align-items: center;
        gap: 16px;
        background: var(--gradient-green);
        color: #fff;
        padding: 16px 32px;
        border-radius: var(--radius-pill);
        font-size: 16px;
        font-weight: 600;
        transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    }

    .publish-cta:hover {
        color: #fff;
        text-decoration: none;
        box-shadow: 0 12px 30px rgba(0, 200, 150, 0.4);
        transform: translateY(-2px);
    }

    .publish-cta .plus-icon {
        font-size: 22px;
        font-weight: 300;
    }

    /* ============ 规则说明 ============ */
    .rules-panel {
        background: #fff;
        border-radius: var(--radius-card-lg);
        border: 1px solid var(--color-border-light);
        padding: 32px;
        box-shadow: var(--shadow-card);
    }

    .rules-panel h3 {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 20px;
        color: var(--color-text-dark);
    }

    .rule-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .rule-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 0;
        border-bottom: 1px solid var(--color-border-light);
        font-size: 15px;
        color: var(--color-text-dark);
        line-height: 1.6;
    }

    .rule-list li:last-child {
        border-bottom: none;
    }

    .rule-list .rule-check {
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        font-size: 14px;
        color: #fff;
        background: var(--gradient-green);
    }

    /* ============ CTA 区域 ============ */
    .cta-section {
        background: var(--color-primary);
        background-image: linear-gradient(135deg, rgba(14,26,36,0.96) 0%, rgba(14,26,36,0.85) 60%, rgba(0,200,150,0.2) 100%), url('/assets/images/backpic/back-3.webp');
        background-size: cover;
        background-position: center;
        color: #fff;
        padding: 72px 0;
        text-align: center;
    }

    .cta-section h2 {
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 16px;
    }

    .cta-section p {
        font-size: 17px;
        color: rgba(255,255,255,0.7);
        max-width: 620px;
        margin: 0 auto 32px;
        line-height: 1.8;
    }

    .btn-primary {
        display: inline-block;
        padding: 16px 40px;
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        background: var(--gradient-green);
        border-radius: var(--radius-pill);
        transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    }

    .btn-primary:hover {
        color: #fff;
        text-decoration: none;
        box-shadow: 0 12px 30px rgba(0, 200, 150, 0.4);
        transform: translateY(-2px);
    }

    .btn-primary:active {
        transform: scale(0.97);
    }

    .btn-secondary {
        display: inline-block;
        padding: 15px 36px;
        font-size: 16px;
        font-weight: 500;
        color: #fff;
        background: transparent;
        border: 1px solid rgba(255,255,255,0.3);
        border-radius: var(--radius-pill);
        transition: border-color var(--transition-fast), background var(--transition-fast);
        margin-left: 12px;
    }

    .btn-secondary:hover {
        color: #fff;
        text-decoration: none;
        border-color: var(--color-secondary);
        background: rgba(0,200,150,0.1);
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: var(--color-primary);
        color: rgba(255,255,255,0.7);
        padding: 64px 0 28px;
    }

    .footer-cols {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 48px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 22px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }

    .footer-brand .logo-dot {
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--gradient-gold);
    }

    .footer-brand-desc {
        font-size: 14px;
        color: rgba(255,255,255,0.5);
        line-height: 1.8;
        max-width: 360px;
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-col ul li {
        margin-bottom: 10px;
    }

    .footer-col ul li a {
        color: rgba(255,255,255,0.55);
        font-size: 14px;
        transition: color var(--transition-fast);
    }

    .footer-col ul li a:hover {
        color: var(--color-secondary);
        text-decoration: none;
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding-top: 24px;
        border-top: 1px solid rgba(255,255,255,0.08);
        font-size: 13px;
        color: rgba(255,255,255,0.45);
    }

    .footer-bottom a {
        color: rgba(255,255,255,0.55);
    }

    .footer-bottom a:hover {
        color: var(--color-secondary);
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .topics-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-cols {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .page-hero h1 {
            font-size: 36px;
        }
    }

    @media (max-width: 768px) {
        body {
            padding-top: 64px;
        }
        .site-header {
            top: 10px;
            width: calc(100% - 20px);
        }
        .nav-capsule {
            padding: 6px 12px;
        }
        .nav-menu {
            display: none;
            position: absolute;
            top: 56px;
            left: 0;
            right: 0;
            flex-direction: column;
            background: rgba(14, 26, 36, 0.97);
            border-radius: 20px;
            padding: 16px;
            gap: 2px;
            box-shadow: var(--shadow-nav);
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            text-align: left;
        }
        .nav-toggle {
            display: block;
        }
        .nav-cta {
            display: none;
        }
        .page-hero {
            padding: 60px 0 48px;
        }
        .page-hero h1 {
            font-size: 28px;
        }
        .page-hero .hero-sub {
            font-size: 15px;
        }
        .hero-stat-item .stat-num {
            font-size: 24px;
        }
        .section {
            padding: 48px 0;
        }
        .section-head h2 {
            font-size: 24px;
        }
        .topics-grid {
            grid-template-columns: 1fr;
        }
        .hot-post-item {
            flex-direction: column;
            gap: 12px;
            padding: 20px;
        }
        .publish-cta {
            width: 100%;
            justify-content: center;
        }
        .cta-section h2 {
            font-size: 26px;
        }
        .btn-secondary {
            margin-left: 0;
            margin-top: 12px;
        }
        .footer-cols {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }
        .hero-stats-row {
            gap: 20px;
        }
    }

    @media (max-width: 520px) {
        .topics-grid {
            grid-template-columns: 1fr;
        }
        .hot-post-content .post-meta {
            flex-wrap: wrap;
            gap: 8px;
        }
    }

/* roulang page: category5 */
:root {
            --color-primary: #0E1A24;
            --color-secondary: #00C896;
            --color-accent: #E3A72F;
            --color-bg-light: #F5F7F9;
            --color-bg-dark: #0E1A24;
            --color-text-light: #FFFFFF;
            --color-text-dark: #1A2330;
            --color-text-mut: #6B7A8D;
            --color-border-light: rgba(14,26,36,0.06);
            --color-border-dark: rgba(255,255,255,0.08);
            --color-border-gold: rgba(227,167,47,0.35);
            --radius-card: 20px;
            --radius-card-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 24px rgba(14,26,36,0.08);
            --shadow-card-hover: 0 16px 40px rgba(14,26,36,0.16);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.3);
            --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
            --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
            --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
            --section-padding: 72px 0;
            --card-gap: 24px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #0E7A5F;
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 200, 150, 0.5);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(14, 26, 36, 0.96);
            box-shadow: var(--shadow-nav);
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-text-light);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .nav-menu a.active {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
        }

        .nav-menu a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-secondary);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-block;
            padding: 10px 20px;
            background: var(--gradient-green);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta:hover {
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 18px rgba(0, 200, 150, 0.35);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-strip {
            padding-top: 100px;
            padding-bottom: 16px;
            background: linear-gradient(180deg, #0E1A24 0%, #0A1219 100%);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .breadcrumb-nav .separator {
            color: rgba(255, 255, 255, 0.35);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .member-hero {
            position: relative;
            background: linear-gradient(90deg, rgba(14,26,36,0.95) 0%, rgba(14,26,36,0.78) 55%, rgba(0,200,150,0.22) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 80px 0 64px;
            color: var(--color-text-light);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .member-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .member-hero-content .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(227, 167, 47, 0.15);
            border: 1px solid rgba(227, 167, 47, 0.4);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 500;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .member-hero-content h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 18px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .member-hero-content h1 .highlight-green {
            color: var(--color-secondary);
        }

        .member-hero-content h1 .highlight-gold {
            color: var(--color-accent);
        }

        .member-hero-content .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--gradient-green);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-decoration: none;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .btn-primary:hover {
            color: #fff;
            text-decoration: none;
            box-shadow: 0 10px 28px rgba(0, 200, 150, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
        }

        .btn-outline-light:hover {
            color: #fff;
            text-decoration: none;
            border-color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.1);
        }

        .member-hero-media {
            position: relative;
            display: flex;
            justify-content: center;
        }

        .member-hero-media img {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-card-lg);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-float-badge {
            position: absolute;
            bottom: -16px;
            right: 20px;
            background: rgba(14, 26, 36, 0.92);
            border: 1px solid rgba(227, 167, 47, 0.4);
            border-radius: 16px;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
        }

        .hero-float-badge .badge-icon {
            font-size: 28px;
            line-height: 1;
        }

        .hero-float-badge .badge-num {
            font-family: var(--font-family-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .hero-float-badge .badge-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-light);
        }

        .section-light {
            background: var(--color-bg-light);
        }

        .section-white {
            background: #fff;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(0, 200, 150, 0.1);
            border: 1px solid rgba(0, 200, 150, 0.25);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--color-secondary);
            font-weight: 500;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: inherit;
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .section-header .section-sub {
            font-size: 16px;
            color: var(--color-text-mut);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-dark .section-header .section-sub {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ============ 权益对比卡片 ============ */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .tier-card {
            background: #fff;
            border-radius: var(--radius-card-lg);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .tier-card.featured {
            border: 2px solid var(--color-accent);
            background: linear-gradient(180deg, rgba(227, 167, 47, 0.04) 0%, #fff 100%);
        }

        .tier-card .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            padding: 4px 18px;
            background: var(--gradient-gold);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .tier-card .tier-name {
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--color-text-mut);
            margin-bottom: 8px;
            text-align: center;
        }

        .tier-card .tier-price {
            text-align: center;
            margin-bottom: 18px;
        }

        .tier-card .tier-price .price-currency {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-dark);
            vertical-align: top;
        }

        .tier-card .tier-price .price-value {
            font-family: var(--font-family-num);
            font-size: 48px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1;
        }

        .tier-card .tier-price .price-period {
            font-size: 14px;
            color: var(--color-text-mut);
        }

        .tier-card.featured .tier-price .price-value {
            color: var(--color-accent);
        }

        .tier-card .tier-desc {
            text-align: center;
            font-size: 14px;
            color: var(--color-text-mut);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .tier-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            flex: 1;
        }

        .tier-card ul li {
            padding: 10px 0;
            font-size: 14px;
            color: var(--color-text-dark);
            border-bottom: 1px solid rgba(14, 26, 36, 0.05);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .tier-card ul li:last-child {
            border-bottom: none;
        }

        .tier-card ul li::before {
            content: "✓";
            color: var(--color-secondary);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .tier-card ul li.muted {
            color: var(--color-text-mut);
        }

        .tier-card ul li.muted::before {
            content: "—";
            color: #C0C8D1;
            font-weight: 400;
        }

        .tier-card .tier-cta {
            display: block;
            text-align: center;
            padding: 13px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .tier-card .tier-cta.btn-primary {
            background: var(--gradient-green);
            color: #fff;
        }

        .tier-card .tier-cta.btn-primary:hover {
            text-decoration: none;
            box-shadow: 0 8px 24px rgba(0, 200, 150, 0.35);
            transform: translateY(-2px);
        }

        .tier-card .tier-cta.btn-accent {
            background: var(--gradient-gold);
            color: #fff;
        }

        .tier-card .tier-cta.btn-accent:hover {
            text-decoration: none;
            box-shadow: 0 8px 24px rgba(227, 167, 47, 0.35);
            transform: translateY(-2px);
        }

        .tier-card .tier-cta.btn-ghost {
            background: transparent;
            border: 1px solid rgba(14, 26, 36, 0.15);
            color: var(--color-text-dark);
        }

        .tier-card .tier-cta.btn-ghost:hover {
            text-decoration: none;
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }

        /* ============ 等级阶梯 ============ */
        .level-ladder {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            margin-top: 16px;
        }

        .level-step {
            text-align: center;
            padding: 28px 20px;
            position: relative;
            border-radius: 16px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .level-step:hover {
            transform: translateY(-3px);
        }

        .level-step .level-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 28px;
            border: 2px solid rgba(0, 200, 150, 0.3);
            background: rgba(0, 200, 150, 0.08);
            color: var(--color-secondary);
        }

        .level-step.gold .level-icon {
            border-color: rgba(227, 167, 47, 0.4);
            background: rgba(227, 167, 47, 0.1);
            color: var(--color-accent);
        }

        .level-step .level-name {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .level-step .level-req {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
        }

        .level-connector {
            position: absolute;
            top: 58px;
            left: calc(50% + 40px);
            right: calc(-50% + 40px);
            height: 2px;
            background: linear-gradient(90deg, rgba(0,200,150,0.3), rgba(227,167,47,0.3));
            z-index: 0;
        }

        /* ============ 特权列表 ============ */
        .privilege-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .privilege-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: #fff;
            border-radius: 16px;
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }

        .privilege-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .privilege-item .privilege-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            background: rgba(0, 200, 150, 0.1);
            border: 1px solid rgba(0, 200, 150, 0.2);
        }

        .privilege-item .privilege-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 6px;
        }

        .privilege-item .privilege-content p {
            font-size: 14px;
            color: var(--color-text-mut);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ 数据看板 CTA ============ */
        .member-cta-panel {
            background: linear-gradient(135deg, #0E1A24 0%, #164033 100%);
            border-radius: var(--radius-card-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 32px;
            border: 1px solid rgba(0, 200, 150, 0.15);
            position: relative;
            overflow: hidden;
        }

        .member-cta-panel::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 200, 150, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .member-cta-panel .cta-content {
            position: relative;
            z-index: 1;
        }

        .member-cta-panel .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .member-cta-panel .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 20px;
            line-height: 1.7;
            max-width: 560px;
        }

        .member-cta-panel .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .member-cta-panel .cta-stats {
            display: flex;
            gap: 28px;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        .cta-stat-box {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 20px 24px;
            min-width: 110px;
        }

        .cta-stat-box .stat-num {
            font-family: var(--font-family-num);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .cta-stat-box .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ FAQ ============ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: 16px;
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            box-shadow: 0 2px 8px rgba(14, 26, 36, 0.04);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item.open {
            border-color: rgba(0, 200, 150, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-secondary);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.1);
            color: var(--color-secondary);
            font-size: 18px;
            font-weight: 400;
            transition: transform var(--transition-fast), background var(--transition-fast);
            user-select: none;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-secondary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-mut);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro-panel {
            background: #fff;
            border-radius: var(--radius-card-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            margin-top: 48px;
        }

        .brand-intro-panel h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-intro-panel h3 .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }

        .brand-intro-panel p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-mut);
            margin: 0 0 14px;
        }

        .brand-intro-panel p:last-child {
            margin-bottom: 0;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-cols {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .site-footer .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .site-footer .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        /* ============ 移动端底部CTA ============ */
        .mobile-bottom-cta {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(14, 26, 36, 0.97);
            padding: 12px 16px;
            z-index: 900;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .mobile-bottom-cta .cta-text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.4;
        }

        .mobile-bottom-cta .btn-primary {
            flex-shrink: 0;
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .member-hero-grid {
                gap: 32px;
            }

            .member-hero-content h1 {
                font-size: 34px;
            }

            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .tier-card {
                padding: 24px 18px;
            }

            .tier-card .tier-price .price-value {
                font-size: 38px;
            }

            .level-ladder {
                grid-template-columns: repeat(4, 1fr);
            }

            .member-cta-panel {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .member-cta-panel .cta-stats {
                justify-content: flex-start;
            }

            .cta-stat-box {
                min-width: 90px;
                padding: 16px 18px;
            }

            .cta-stat-box .stat-num {
                font-size: 26px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                width: calc(100% - 20px);
                top: 10px;
            }

            .nav-capsule {
                padding: 6px 12px;
                gap: 10px;
            }

            .nav-logo {
                font-size: 18px;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(14, 26, 36, 0.97);
                border-radius: 20px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                box-shadow: var(--shadow-nav);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 12px 16px;
                font-size: 15px;
                color: rgba(255, 255, 255, 0.8);
                text-align: left;
            }

            .nav-menu a.active {
                background: rgba(0, 200, 150, 0.12);
                color: var(--color-secondary);
            }

            .nav-menu a.active::after {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .member-hero {
                min-height: auto;
                padding: 70px 0 48px;
            }

            .member-hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .member-hero-content h1 {
                font-size: 28px;
            }

            .member-hero-content .hero-desc {
                font-size: 15px;
            }

            .member-hero-media img {
                max-width: 100%;
            }

            .hero-float-badge {
                right: 8px;
                bottom: -10px;
                padding: 10px 14px;
            }

            .hero-float-badge .badge-num {
                font-size: 22px;
            }

            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .tier-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .tier-card {
                padding: 24px 20px;
            }

            .tier-card .tier-price .price-value {
                font-size: 40px;
            }

            .level-ladder {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .level-connector {
                display: none;
            }

            .level-step {
                padding: 20px 12px;
            }

            .privilege-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .privilege-item {
                padding: 16px 18px;
            }

            .member-cta-panel {
                padding: 32px 22px;
            }

            .member-cta-panel .cta-content h2 {
                font-size: 22px;
            }

            .member-cta-panel .cta-stats {
                flex-wrap: wrap;
                gap: 12px;
            }

            .cta-stat-box {
                min-width: calc(50% - 12px);
            }

            .site-footer .footer-cols {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .mobile-bottom-cta {
                display: flex;
            }

            body {
                padding-bottom: 64px;
            }

            .brand-intro-panel {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .container-wide {
                padding: 0 16px;
            }

            .member-hero-content h1 {
                font-size: 24px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }

            .btn-primary,
            .btn-outline-light {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 15px;
            }

            .level-ladder {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .level-step .level-icon {
                width: 48px;
                height: 48px;
                font-size: 22px;
            }

            .cta-stat-box {
                min-width: 100%;
                padding: 14px 16px;
            }

            .cta-stat-box .stat-num {
                font-size: 22px;
            }

            .site-footer .footer-cols {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }

            .breadcrumb-strip {
                padding-top: 80px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0E1A24;
            --color-secondary: #00C896;
            --color-accent: #E3A72F;
            --color-bg-light: #F5F7F9;
            --color-bg-dark: #0E1A24;
            --color-text-light: #FFFFFF;
            --color-text-dark: #1A2330;
            --color-text-mut: #6B7A8D;
            --color-border-light: rgba(14, 26, 36, 0.06);
            --color-border-dark: rgba(255, 255, 255, 0.08);
            --color-border-gold: rgba(227, 167, 47, 0.35);
            --radius-card: 20px;
            --radius-card-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 24px rgba(14, 26, 36, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(14, 26, 36, 0.16);
            --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.3);
            --font-family-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-family-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Roboto", sans-serif;
            --gradient-green: linear-gradient(135deg, #00C896 0%, #0E7A5F 100%);
            --gradient-gold: linear-gradient(135deg, #E3A72F 0%, #B87D1E 100%);
            --section-padding: 72px 0;
            --card-gap: 24px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #0E7A5F;
            text-decoration: underline;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 200, 150, 0.5);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(14, 26, 36, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(14, 26, 36, 0.96);
            box-shadow: var(--shadow-nav);
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-text-light);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .nav-menu a.active {
            color: #fff;
            background: rgba(0, 200, 150, 0.15);
            box-shadow: inset 0 0 0 1px rgba(0, 200, 150, 0.4);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-green);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--gradient-green);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
        }

        .nav-cta:hover {
            color: #fff;
            text-decoration: none;
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 200, 150, 0.35);
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
        }

        .nav-burger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .nav-burger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-burger.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-burger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ 通用区块 ============ */
        .section {
            padding: var(--section-padding);
        }

        .section-tight {
            padding: 48px 0;
        }

        .section-dark {
            background-color: var(--color-bg-dark);
            color: var(--color-text-light);
        }

        .section-light {
            background-color: var(--color-bg-light);
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.1);
            border: 1px solid rgba(0, 200, 150, 0.3);
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .section-label-gold {
            color: var(--color-accent);
            background: rgba(227, 167, 47, 0.1);
            border-color: rgba(227, 167, 47, 0.3);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: inherit;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-mut);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            color: #fff;
            background: var(--gradient-green);
            box-shadow: 0 4px 16px rgba(0, 200, 150, 0.3);
        }

        .btn-primary:hover {
            color: #fff;
            text-decoration: none;
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 200, 150, 0.4);
        }

        .btn-primary:active {
            transform: scale(0.97);
            filter: brightness(0.95);
        }

        .btn-gold {
            color: #fff;
            background: var(--gradient-gold);
            box-shadow: 0 4px 16px rgba(227, 167, 47, 0.3);
        }

        .btn-gold:hover {
            color: #fff;
            text-decoration: none;
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(227, 167, 47, 0.4);
        }

        .btn-outline {
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(0, 200, 150, 0.45);
        }

        .btn-outline:hover {
            color: #0E7A5F;
            text-decoration: none;
            border-color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.06);
        }

        .btn-outline-light {
            color: #fff;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline-light:hover {
            color: #fff;
            text-decoration: none;
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 18px 42px;
            font-size: 17px;
        }

        /* ============ 卡片 ============ */
        .card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .card-dark {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--color-border-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .card-dark:hover {
            border-color: rgba(0, 200, 150, 0.4);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
        }

        /* ============ 徽章 ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }

        .badge-green {
            color: var(--color-secondary);
            background: rgba(0, 200, 150, 0.12);
            border: 1px solid rgba(0, 200, 150, 0.3);
        }

        .badge-gold {
            color: var(--color-accent);
            background: rgba(227, 167, 47, 0.12);
            border: 1px solid rgba(227, 167, 47, 0.3);
        }

        .badge-dark {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .data-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-family: var(--font-family-num);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            background: rgba(0, 200, 150, 0.12);
            border: 1px solid rgba(0, 200, 150, 0.3);
            color: var(--color-secondary);
        }

        .data-badge-gold {
            background: rgba(227, 167, 47, 0.12);
            border-color: rgba(227, 167, 47, 0.35);
            color: var(--color-accent);
        }

        .data-badge .unit {
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding: 140px 0 24px;
            background: var(--color-primary);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb .current {
            color: var(--color-secondary);
            font-weight: 600;
        }

        /* ============ 下载页 Hero ============ */
        .download-hero {
            background: var(--color-primary);
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .download-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 40%, rgba(0, 200, 150, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(227, 167, 47, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .download-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .download-hero-text h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .download-hero-text h1 .highlight {
            background: var(--gradient-green);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .download-hero-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .download-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .download-hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .download-hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .download-hero-stat .stat-num {
            font-family: var(--font-family-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-secondary);
            letter-spacing: 1px;
        }

        .download-hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .download-hero-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .app-showcase-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card-lg);
            padding: 32px;
            display: flex;
            gap: 32px;
            align-items: center;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            max-width: 480px;
            width: 100%;
        }

        .app-icon-placeholder {
            width: 96px;
            height: 96px;
            border-radius: 24px;
            background: var(--gradient-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 8px 24px rgba(0, 200, 150, 0.35);
        }

        .app-showcase-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .app-showcase-info h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0;
        }

        .app-showcase-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            line-height: 1.6;
        }

        .app-meta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .qr-placeholder {
            width: 120px;
            height: 120px;
            border-radius: 12px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid rgba(0, 200, 150, 0.3);
            flex-shrink: 0;
            overflow: hidden;
        }

        .qr-placeholder .qr-inner {
            width: 100%;
            height: 100%;
            background: repeating-conic-gradient(#0E1A24 0% 25%, #fff 0% 50%) 0 0 / 20px 20px;
            opacity: 0.85;
        }

        /* ============ 设备入口区 ============ */
        .device-section {
            background: var(--color-bg-light);
        }

        .device-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .device-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .device-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-green);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .device-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .device-card:hover::before {
            opacity: 1;
        }

        .device-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(0, 200, 150, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            flex-shrink: 0;
        }

        .device-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            color: var(--color-text-dark);
            letter-spacing: 0.5px;
        }

        .device-card p {
            font-size: 15px;
            color: var(--color-text-mut);
            margin: 0;
            line-height: 1.7;
            flex-grow: 1;
        }

        .device-card .version-info {
            font-size: 13px;
            color: var(--color-text-mut);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .device-card .version-info span {
            background: rgba(14, 26, 36, 0.05);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        /* ============ 安装步骤 ============ */
        .steps-section {
            background: var(--color-primary);
            color: #fff;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .step-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: transform var(--transition-smooth), border-color var(--transition-smooth);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 200, 150, 0.4);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-family-num);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        .step-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0;
            color: #fff;
        }

        .step-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 功能亮点 ============ */
        .feature-highlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }

        .feature-highlight-card {
            display: flex;
            gap: 20px;
            padding: 28px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            align-items: flex-start;
        }

        .feature-highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .feature-highlight-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .feature-highlight-icon.green {
            background: rgba(0, 200, 150, 0.1);
        }

        .feature-highlight-icon.gold {
            background: rgba(227, 167, 47, 0.1);
        }

        .feature-highlight-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text-dark);
        }

        .feature-highlight-content p {
            font-size: 14px;
            color: var(--color-text-mut);
            margin: 0;
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg-light);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--color-border-light);
            box-shadow: 0 2px 8px rgba(14, 26, 36, 0.04);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 200, 150, 0.3);
            box-shadow: 0 4px 16px rgba(14, 26, 36, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            gap: 16px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(0, 200, 150, 0.04);
        }

        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--color-text-dark);
            line-height: 1.5;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-secondary);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-mut);
            line-height: 1.7;
        }

        /* ============ CTA 区 ============ */
        .cta-section {
            background: linear-gradient(135deg, #0E1A24 0%, #1a2d3d 50%, #0E1A24 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 200, 150, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            position: relative;
            z-index: 1;
        }

        .cta-card-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: 0.5px;
        }

        .cta-card-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.6;
        }

        .cta-card-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0A1219;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-cols {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--color-secondary);
            text-decoration: none;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .download-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }

            .download-hero-text p {
                margin-left: auto;
                margin-right: auto;
            }

            .download-hero-actions {
                justify-content: center;
            }

            .download-hero-stats {
                justify-content: center;
            }

            .device-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-highlight-grid {
                grid-template-columns: 1fr;
            }

            .footer-cols {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px 0;
            }

            .site-header {
                top: 8px;
                width: calc(100% - 16px);
            }

            .nav-capsule {
                padding: 8px 12px;
            }

            .nav-cta {
                display: none;
            }

            .nav-burger {
                display: flex;
            }

            .nav-menu {
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(14, 26, 36, 0.97);
                border-radius: 20px;
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-nav);
                display: none;
                overflow-y: auto;
                max-height: 70vh;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 12px 16px;
                border-radius: 12px;
                text-align: center;
                font-size: 15px;
            }

            .nav-menu a.active::after {
                display: none;
            }

            .breadcrumb-bar {
                padding: 100px 0 16px;
            }

            .download-hero {
                padding: 40px 0 56px;
            }

            .download-hero-text h1 {
                font-size: 28px;
            }

            .download-hero-text p {
                font-size: 15px;
            }

            .app-showcase-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 24px;
                gap: 16px;
            }

            .app-icon-placeholder {
                width: 72px;
                height: 72px;
                font-size: 30px;
                border-radius: 18px;
            }

            .qr-placeholder {
                width: 100px;
                height: 100px;
            }

            .device-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .device-card {
                padding: 24px 20px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .step-card {
                padding: 24px 20px;
            }

            .cta-card {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }

            .cta-card-content h2 {
                font-size: 22px;
            }

            .cta-card-actions {
                justify-content: center;
                width: 100%;
            }

            .cta-card-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .footer-cols {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .section-title {
                font-size: 24px;
            }

            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .container-wide {
                padding: 0 16px;
            }

            .download-hero-stats {
                gap: 16px;
            }

            .download-hero-stat .stat-num {
                font-size: 22px;
            }

            .download-hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .download-hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .app-meta-row {
                justify-content: center;
            }

            .device-card {
                padding: 20px 16px;
            }

            .step-number {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }

            .faq-question {
                padding: 16px 18px;
            }

            .faq-answer-content {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }