/* roulang page: index */
:root {
            --color-primary: #FF4D2E;
            --color-primary-hover: #E83A1C;
            --color-primary-soft: rgba(255, 77, 46, 0.12);
            --color-accent: #FFB800;
            --color-accent-glow: rgba(255, 184, 0, 0.35);
            --color-bg-deep: #0A0A14;
            --color-bg-main: #0F0F1C;
            --color-bg-card: #181828;
            --color-bg-card-hover: #1E1E32;
            --color-bg-elevated: #1C1C30;
            --color-bg-input: #141424;
            --color-text: #F0F0F5;
            --color-text-strong: #FFFFFF;
            --color-text-weak: #9A9AB0;
            --color-text-muted: #6B6B82;
            --color-border: #2A2A40;
            --color-border-light: #333350;
            --color-success: #00C853;
            --color-success-soft: rgba(0, 200, 83, 0.14);
            --color-danger: #FF3B30;
            --color-info: #3B82F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 40px rgba(255, 77, 46, 0.25);
            --shadow-gold: 0 0 30px rgba(255, 184, 0, 0.2);
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --channel-height: 44px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg-main);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-deep);
            border-bottom: 1px solid var(--color-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, #FF6B45 50%, var(--color-accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 18px rgba(255, 77, 46, 0.35);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.3);
        }

        .btn-nav-cta:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 24px rgba(255, 77, 46, 0.45);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: scale(0.96);
        }

        .channel-row {
            background: var(--color-bg-elevated);
            border-top: 1px solid var(--color-border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 0;
            height: var(--channel-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            flex-shrink: 0;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-weak);
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .channel-nav a:hover {
            color: var(--color-text);
        }

        .channel-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }

        .channel-nav a .nav-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.7);
            }
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-text);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-card-hover);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg-deep);
            z-index: 999;
            flex-direction: column;
            padding: 20px 24px;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--color-bg-card);
            color: var(--color-primary);
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: var(--color-bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.55;
            filter: brightness(0.6) saturate(1.2);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(10, 10, 20, 0.5) 0%, rgba(10, 10, 20, 0.85) 60%, var(--color-bg-main) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 80px 24px 60px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            background: var(--color-primary-soft);
            border: 1px solid rgba(255, 77, 46, 0.3);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 13px;
            margin-bottom: 20px;
            animation: float-badge 3s ease-in-out infinite;
        }

        @keyframes float-badge {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            box-shadow: 0 0 10px rgba(0, 200, 83, 0.6);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: var(--color-text-strong);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--color-text-weak);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 0 50px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            background: transparent;
            color: var(--color-text);
            font-weight: 600;
            font-size: 16px;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: var(--shadow-gold);
        }

        .hero-stats-strip {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .hero-stat-value {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            letter-spacing: -1px;
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* ===== COUNTDOWN STRIP ===== */
        .countdown-strip {
            background: linear-gradient(135deg, #1A0A0A 0%, #1C1018 100%);
            border-top: 1px solid rgba(255, 77, 46, 0.25);
            border-bottom: 1px solid rgba(255, 77, 46, 0.25);
            padding: 16px 0;
            text-align: center;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            color: var(--color-text);
            font-weight: 600;
            font-size: 15px;
        }

        .countdown-timer {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .countdown-segment {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 8px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            color: var(--color-accent);
        }

        .countdown-sep {
            font-weight: 700;
            color: var(--color-text-muted);
            font-size: 14px;
        }

        .countdown-label {
            color: var(--color-accent);
            font-weight: 700;
            animation: blink-text 1.8s ease-in-out infinite;
        }

        @keyframes blink-text {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 13px;
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== FEATURES GRID ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            opacity: 0;
            transition: all var(--transition-slow);
        }

        .feature-card:hover {
            border-color: var(--color-primary);
            box-shadow: 0 8px 32px rgba(255, 77, 46, 0.12);
            transform: translateY(-4px);
            background: var(--color-bg-card-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
            transform: scale(2.5);
        }

        .feature-icon {
            position: relative;
            z-index: 1;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            position: relative;
            z-index: 1;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .feature-card p {
            position: relative;
            z-index: 1;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ===== CATEGORY SPOTLIGHT ===== */
        .category-spotlight {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .category-main-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .category-main-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .category-main-card img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .category-main-body {
            padding: 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .category-main-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .category-main-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .category-badge-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 12px;
            letter-spacing: 0.5px;
        }

        .category-side-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .category-side-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-normal);
            flex: 1;
        }

        .category-side-card:hover {
            border-color: var(--color-primary);
            box-shadow: 0 4px 20px rgba(255, 77, 46, 0.1);
            transform: translateX(4px);
        }

        .category-side-card .side-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            color: var(--color-accent);
        }

        .category-side-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-strong);
            margin-bottom: 2px;
        }

        .category-side-card span {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ===== NEWS LIST (CMS) ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            display: flex;
            gap: 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 18px;
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

        .news-card:hover {
            border-color: var(--color-primary);
            box-shadow: 0 6px 22px rgba(255, 77, 46, 0.08);
            transform: translateY(-2px);
            background: var(--color-bg-card-hover);
        }

        .news-card-thumb {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-elevated);
        }

        .news-card-body {
            flex: 1;
            min-width: 0;
        }

        .news-card-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-strong);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-body .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
            align-items: center;
            flex-wrap: wrap;
        }

        .news-card-body .news-excerpt {
            font-size: 13px;
            color: var(--color-text-weak);
            margin-top: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .tag-pill {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 11px;
            font-weight: 600;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-text-muted);
            font-size: 15px;
        }

        /* ===== STEPS ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }

        .step-item {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-normal);
            counter-increment: step-counter;
        }

        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255, 77, 46, 0.35);
        }

        .step-item:hover {
            border-color: var(--color-primary);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.1);
            transform: translateY(-3px);
        }

        .step-icon {
            font-size: 30px;
            margin: 10px 0 12px;
            color: var(--color-accent);
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-weak);
            line-height: 1.5;
        }

        /* ===== DATA STRIP ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .data-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .data-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            letter-spacing: -1px;
            margin-bottom: 6px;
        }

        .data-label {
            font-size: 14px;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text-strong);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 12px;
        }

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

        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg-deep);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            text-align: center;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.3;
            filter: brightness(0.5);
            z-index: 0;
        }

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

        .cta-content h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--color-text-weak);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-deep);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
            text-align: center;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .footer-logo span {
            color: var(--color-primary);
        }

        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 20px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary);
        }

        .footer-copy {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-spotlight {
                grid-template-columns: 1fr;
            }
            .category-side-cards {
                flex-direction: row;
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .brand-row {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
            .channel-nav {
                padding: 0 10px;
                gap: 0;
            }
            .channel-nav a {
                padding: 0 12px;
                font-size: 13px;
            }
            .hero-section {
                min-height: 460px;
            }
            .hero-content {
                padding: 50px 16px 40px;
            }
            .hero-stats-strip {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .category-side-cards {
                flex-direction: column;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 48px 0;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .channel-row {
                display: none;
            }
            .brand-actions .btn-nav-cta {
                display: none;
            }
            .news-card {
                flex-direction: column;
                gap: 10px;
            }
            .news-card-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-strip {
                flex-wrap: wrap;
                gap: 10px;
            }
            .hero-stat-item {
                flex: 1 1 40%;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-value {
                font-size: 28px;
            }
            .countdown-inner {
                font-size: 13px;
                gap: 8px;
            }
            .countdown-segment {
                min-width: 30px;
                height: 32px;
                font-size: 14px;
                padding: 0 6px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .btn-nav-cta {
                display: none;
            }
            .brand-actions {
                gap: 8px;
            }
        }

/* roulang page: article */
:root {
  --primary: #FF4757;
  --primary-dark: #E84142;
  --secondary: #2f3542;
  --accent: #ffa502;
  --bg: #f1f2f6;
  --white: #ffffff;
  --text: #2f3542;
  --text-light: #747d8c;
  --border: #e0e0e0;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin:0; padding:0; }
body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 顶部实时状态条 */
.live-bar {
  background: linear-gradient(135deg, #ff4757, #ff6b81);
  color: #fff;
  text-align: center;
  padding: 8px 15px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.live-bar i { animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; } }

/* 品牌行 */
.brand-bar {
  background: var(--white);
  border-bottom: 1px solid #f0f0f0;
  padding: 15px 0;
}
.brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 28px;
  font-weight: 800;
  color: var(--secondary);
}
.logo .logo-highlight { color: var(--primary); }
.header-actions .btn-download-header {
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background var(--transition), transform 0.2s;
  box-shadow: 0 4px 12px rgba(255,71,87,0.4);
}
.btn-download-header:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* 频道导航 */
.channel-nav {
  background: var(--secondary);
  padding: 0 10px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  display: flex;
  justify-content: center;
  gap: 5px;
}
.channel-nav a {
  display: inline-flex;
  align-items: center;
  color: rgba(255,255,255,0.8);
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
  border-bottom: 3px solid transparent;
  flex-shrink: 0;
}
.channel-nav a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.channel-nav a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border-bottom-color: var(--accent);
}
.nav-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 6px;
}

/* 文章主容器 */
.article-container {
  max-width: 860px;
  margin: 40px auto 50px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 40px 40px 30px;
}
.article-category {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}
.article-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--secondary);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.article-meta i { color: var(--primary); margin-right: 4px; }
.article-hero-img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 30px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
.article-content {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 30px;
}
.article-content p { margin-bottom: 20px; }
.article-content h2, .article-content h3 {
  margin: 30px 0 15px;
  color: var(--secondary);
}
.article-content a { color: var(--primary); text-decoration: underline; }

/* 文章底部下载CTA */
.article-cta {
  background: linear-gradient(135deg, #2f3542, #57606f);
  color: #fff;
  border-radius: var(--radius);
  padding: 30px 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin: 40px 0 0;
}
.article-cta-text h4 { font-size: 22px; margin-bottom: 6px; }
.article-cta-text p { font-size: 14px; opacity: 0.85; }
.btn-cta {
  background: var(--primary);
  color: #fff;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 16px;
  transition: background var(--transition), transform 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 18px rgba(255,71,87,0.5);
}
.btn-cta:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* 相关推荐 */
.related-section {
  max-width: 860px;
  margin: 0 auto 60px;
  padding: 0 20px;
}
.section-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--secondary);
}
.section-title i { color: var(--primary); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.related-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.related-card img { width: 100%; height: 180px; object-fit: cover; }
.related-body { padding: 20px; }
.related-body h5 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-body .related-meta {
  font-size: 13px;
  color: var(--text-light);
}

/* 安全下载保障 */
.features-bar {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 860px;
  margin: 0 auto 60px;
  padding: 30px 35px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--secondary);
  font-weight: 600;
  font-size: 16px;
}
.feature-item i { font-size: 28px; color: var(--primary); }

/* FAQ */
.faq-section {
  max-width: 860px;
  margin: 0 auto 60px;
  padding: 0 20px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 28px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-q {
  font-weight: 700;
  font-size: 17px;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.faq-a { margin-top: 10px; color: var(--text-light); font-size: 15px; line-height: 1.7; }

/* Footer */
.site-footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.8);
  padding: 45px 20px 35px;
  text-align: center;
}
.footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}
.footer-logo span { color: var(--primary); }
.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 25px;
}
.footer-links a {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  font-size: 13px;
  line-height: 1.8;
  opacity: 0.7;
}

/* 响应式 */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .article-container { padding: 25px 20px; margin: 30px 10px; }
  .article-title { font-size: 26px; }
  .channel-nav { justify-content: flex-start; }
  .related-grid { grid-template-columns: 1fr; }
  .features-bar { flex-direction: column; align-items: center; padding: 25px; }
}
@media (max-width: 520px) {
  .brand-inner { flex-direction: column; gap: 10px; }
  .article-cta { flex-direction: column; text-align: center; }
  .article-title { font-size: 22px; }
  .channel-nav a { padding: 12px 12px; font-size: 13px; }
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #E63946;
            --primary-dark: #B71C2A;
            --primary-light: #FF5A67;
            --secondary: #F4A261;
            --accent: #FFB703;
            --accent-glow: #FFD54F;
            --bg: #F8F9FB;
            --bg-warm: #FFFBF5;
            --bg-dark: #1B1B2F;
            --bg-card: #FFFFFF;
            --text: #1F2937;
            --text-strong: #111827;
            --text-mid: #4B5563;
            --text-light: #6B7280;
            --text-lighter: #9CA3AF;
            --text-white: #F9FAFB;
            --border: #E5E7EB;
            --border-light: #F0F0F5;
            --border-card: #EAECF0;
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 16px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.09), 0 2px 8px rgba(0,0,0,0.05);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.11), 0 4px 12px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 56px rgba(0,0,0,0.14), 0 6px 16px rgba(0,0,0,0.07);
            --shadow-card-hover: 0 20px 44px rgba(0,0,0,0.13), 0 6px 16px rgba(0,0,0,0.07);
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --header-height: 132px;
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }
        body {
            font-family: var(--font);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-width: 320px;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-strong); }
        h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
        h2 { font-size: 1.75rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.25rem; }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 0.75rem; }
        ::selection { background: var(--primary); color: #fff; }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow { max-width: 960px; }

        /* ============ 实时状态条 ============ */
        .live-bar {
            background: linear-gradient(135deg, #1B1B2F 0%, #2D2D44 100%);
            color: #fff;
            padding: 10px 0;
            font-size: 0.875rem;
            position: relative;
            z-index: 1001;
            border-bottom: 2px solid var(--accent);
            overflow: hidden;
        }
        .live-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .live-dot {
            width: 10px;
            height: 10px;
            background: #22C55E;
            border-radius: 50%;
            display: inline-block;
            animation: livePulse 1.5s ease-in-out infinite;
            flex-shrink: 0;
        }
        @keyframes livePulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.7); }
            50% { box-shadow: 0 0 0 12px rgba(34,197,94,0); }
        }
        .live-bar-text { font-weight: 500; letter-spacing: 0.02em; }
        .live-bar-highlight {
            background: var(--accent);
            color: #1B1B2F;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.8rem;
            animation: glowPulse 2s ease-in-out infinite;
        }
        @keyframes glowPulse {
            0%, 100% { box-shadow: 0 0 8px rgba(255,183,3,0.5); }
            50% { box-shadow: 0 0 20px rgba(255,183,3,0.9); }
        }
        .live-bar-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: color var(--transition-fast);
        }
        .live-bar-close:hover { color: #fff; }

        /* ============ Header ============ */
        .site-header {
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-strong);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .brand-logo .logo-highlight {
            color: var(--primary);
            position: relative;
        }
        .brand-logo .logo-highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: -2px;
            right: -2px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            z-index: -1;
            opacity: 0.5;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-download-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-download-sm:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-download-sm i { font-size: 0.75rem; }

        /* 频道导航 */
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar { display: none; }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-mid);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            flex-shrink: 0;
        }
        .channel-nav a:hover {
            background: #FEF2F2;
            color: var(--primary);
        }
        .channel-nav a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow);
        }
        .channel-nav a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .channel-nav a.active .nav-dot {
            background: #fff;
        }

        /* 移动端汉堡菜单 */
        .mobile-menu-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle { display: block; }
            .channel-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 8px 0;
            }
            .channel-nav.open {
                display: flex;
            }
            .channel-nav a {
                border-radius: var(--radius-sm);
                padding: 10px 16px;
            }
        }

        /* ============ 分类 Hero ============ */
        .category-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 72px 0 64px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,27,47,0.88) 0%, rgba(27,27,47,0.72) 40%, rgba(230,57,70,0.45) 100%);
            z-index: 1;
        }
        .category-hero .container { position: relative; z-index: 2; }
        .category-hero-content {
            max-width: 720px;
        }
        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 16px;
            border: 1px solid rgba(255,255,255,0.25);
        }
        .category-badge .live-dot { width: 8px; height: 8px; animation: livePulse 1.5s ease-in-out infinite; }
        .category-hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .category-hero h1 span {
            color: var(--accent-glow);
        }
        .category-hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }
        .hero-search-box {
            display: flex;
            gap: 0;
            max-width: 440px;
            margin-top: 24px;
            border-radius: var(--radius-full);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .hero-search-box input {
            flex: 1;
            padding: 13px 20px;
            border: 2px solid transparent;
            border-right: none;
            outline: none;
            font-size: 0.95rem;
            background: #fff;
            color: var(--text);
        }
        .hero-search-box input:focus { border-color: var(--accent); }
        .hero-search-box button {
            padding: 13px 22px;
            background: var(--accent);
            color: #1B1B2F;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .hero-search-box button:hover {
            background: #FFC940;
        }
        @media (max-width: 768px) {
            .category-hero { padding: 48px 0 40px; }
            .category-hero h1 { font-size: 1.8rem; }
            .category-hero-desc { font-size: 0.95rem; }
            .hero-stats-row { gap: 16px; }
            .hero-stat-num { font-size: 1.5rem; }
        }

        /* ============ 板块通用 ============ */
        .section { padding: 56px 0; }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: #FEF2F2;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-strong);
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ============ 筛选标签 ============ */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 36px;
        }
        .filter-tag {
            padding: 7px 18px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            border: 1.5px solid var(--border);
            background: #fff;
            color: var(--text-mid);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: #FFF5F5;
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* ============ 评测卡片网格 ============ */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-card);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .review-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        .review-card-thumb {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #f0f0f5;
        }
        .review-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .review-card:hover .review-card-thumb img {
            transform: scale(1.06);
        }
        .review-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .review-card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(4px);
            color: var(--accent-glow);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 3px;
        }
        .review-card-rating i { font-size: 0.65rem; }
        .review-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-bottom: 10px;
        }
        .review-card-tag {
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: var(--radius-xs);
            background: #FEF3C7;
            color: #92400E;
            font-weight: 500;
        }
        .review-card-tag.hot {
            background: #FEE2E2;
            color: #991B1B;
        }
        .review-card-tag.new {
            background: #DBEAFE;
            color: #1E40AF;
        }
        .review-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 3px;
            color: var(--text-strong);
        }
        .review-card-subtitle {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .review-card-desc {
            font-size: 0.875rem;
            color: var(--text-mid);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .review-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-lighter);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .review-card-meta i { margin-right: 3px; }
        .review-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: gap var(--transition);
        }
        .review-card-link:hover { gap: 8px; color: var(--primary-dark); }
        .review-card-link i { font-size: 0.7rem; }

        @media (max-width: 1024px) {
            .reviews-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
        }
        @media (max-width: 520px) {
            .reviews-grid { grid-template-columns: 1fr; gap: 16px; }
            .review-card-body { padding: 16px; }
        }

        /* ============ 热门排行区 ============ */
        .ranking-section {
            background: var(--bg-dark);
            padding: 56px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .ranking-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(230,57,70,0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ranking-section .section-title { color: #fff; }
        .ranking-section .section-subtitle { color: rgba(255,255,255,0.65); }
        .ranking-section .section-label {
            background: rgba(255,183,3,0.2);
            color: var(--accent-glow);
        }
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            position: relative;
            z-index: 1;
        }
        .ranking-list {
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .ranking-list h3 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-list h3 i { color: var(--accent); }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: var(--radius);
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .ranking-item:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.12);
        }
        .ranking-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .ranking-num.gold { background: linear-gradient(135deg, #FFD700, #F0A500); color: #7C5E00; }
        .ranking-num.silver { background: linear-gradient(135deg, #C0C0C0, #9E9E9E); color: #3D3D3D; }
        .ranking-num.bronze { background: linear-gradient(135deg, #CD7F32, #A0522D); color: #FFF; }
        .ranking-num.normal { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); }
        .ranking-info { flex: 1; min-width: 0; }
        .ranking-name { font-weight: 600; font-size: 0.95rem; color: #fff; }
        .ranking-tag { font-size: 0.7rem; color: var(--accent); }
        .ranking-score {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-glow);
            flex-shrink: 0;
        }

        /* 活动卡片 */
        .ranking-activity {
            background: linear-gradient(135deg, rgba(230,57,70,0.15), rgba(244,162,97,0.1));
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255,255,255,0.1);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .activity-countdown {
            text-align: center;
            margin-bottom: 20px;
        }
        .countdown-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .countdown-label .live-dot { width: 8px; height: 8px; }
        .countdown-timer {
            display: flex;
            gap: 10px;
            justify-content: center;
        }
        .countdown-unit {
            background: rgba(0,0,0,0.4);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            text-align: center;
            min-width: 56px;
        }
        .countdown-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
        }
        .countdown-label-sm {
            font-size: 0.65rem;
            color: rgba(255,255,255,0.5);
            margin-top: 2px;
        }
        .activity-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 10px;
        }
        .activity-desc {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            text-align: center;
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .btn-activity {
            display: block;
            text-align: center;
            background: var(--accent);
            color: #1B1B2F;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .btn-activity:hover {
            background: #FFC940;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,183,3,0.3);
            color: #1B1B2F;
        }
        @media (max-width: 768px) {
            .ranking-grid { grid-template-columns: 1fr; gap: 20px; }
            .countdown-timer { gap: 6px; }
            .countdown-unit { min-width: 44px; padding: 8px 10px; }
            .countdown-num { font-size: 1.2rem; }
        }

        /* ============ 信息区 ============ */
        .info-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .info-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border-card);
            transition: all var(--transition);
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .info-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            background: #FEF2F2;
            color: var(--primary);
        }
        .info-card-icon.alt { background: #FFF7ED; color: var(--secondary); }
        .info-card-icon.accent { background: #FFFBEB; color: #D97706; }
        .info-card h4 { font-size: 1rem; margin-bottom: 6px; }
        .info-card p { font-size: 0.85rem; color: var(--text-light); margin: 0; }
        @media (max-width: 768px) {
            .info-cards-row { grid-template-columns: 1fr; gap: 14px; }
        }

        /* ============ FAQ ============ */
        .faq-section { background: var(--bg-warm); }
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            color: var(--text-strong);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-lighter);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item.open .faq-question { color: var(--primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, #E63946 0%, #B71C2A 100%);
            padding: 56px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-lg);
            letter-spacing: 0.02em;
        }
        .btn-cta-primary:hover {
            background: #FFFBEB;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
            color: var(--primary-dark);
        }
        .cta-trust-row {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 24px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
        }
        .cta-trust-item { display: flex; align-items: center; gap: 5px; }
        .cta-trust-item i { font-size: 0.85rem; color: var(--accent-glow); }

        /* ============ Footer ============ */
        .site-footer {
            background: #1B1B2F;
            color: rgba(255,255,255,0.7);
            padding: 40px 0 28px;
            text-align: center;
        }
        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-logo span { color: var(--primary-light); }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-bottom: 18px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 0.875rem;
            transition: color var(--transition);
        }
        .footer-links a:hover { color: #fff; }
        .footer-copy {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.45);
            line-height: 1.6;
        }
        .footer-copy span { color: rgba(255,255,255,0.35); }

        /* ============ 辅助动画 ============ */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-in {
            animation: fadeInUp 0.5s ease forwards;
        }

        /* ============ 响应式微调 ============ */
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.4rem; }
            .section { padding: 40px 0; }
            .section-header { margin-bottom: 28px; }
            .section-title { font-size: 1.4rem; }
            .hero-search-box { max-width: 100%; }
            .hero-search-box input { padding: 11px 14px; font-size: 0.875rem; }
            .hero-search-box button { padding: 11px 16px; font-size: 0.85rem; }
            .brand-logo { font-size: 1.2rem; }
            .btn-download-sm { padding: 7px 14px; font-size: 0.8rem; }
            .info-card { padding: 20px 16px; }
        }
        @media (max-width: 520px) {
            .brand-row { flex-wrap: wrap; gap: 10px; }
            .brand-actions { width: 100%; justify-content: flex-end; }
            .filter-tags { gap: 5px; }
            .filter-tag { padding: 5px 12px; font-size: 0.78rem; }
            .review-card h3 { font-size: 1rem; }
        }