/* roulang page: index */
:root {
            --color-primary: #B71C5B;
            --color-primary-dark: #90124A;
            --color-primary-light: #D4347A;
            --color-accent: #FFB300;
            --color-accent-dark: #E09E00;
            --color-accent-light: #FFC940;
            --color-bg: #F5F0F0;
            --color-bg-card: rgba(255, 255, 255, 0.92);
            --color-bg-dark: #1E1324;
            --color-bg-dark-secondary: #2A1B33;
            --color-text-heading: #2D1A2F;
            --color-text-body: #4A354C;
            --color-text-muted: #7A647C;
            --color-text-light: #BDB1C4;
            --color-border: #E0D4D9;
            --color-border-light: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 30px;
            --radius-xl: 50px;
            --shadow-card: 0 8px 24px rgba(183, 28, 91, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(183, 28, 91, 0.15);
            --shadow-lg: 0 20px 48px rgba(30, 19, 36, 0.18);
            --shadow-button: 0 4px 16px rgba(183, 28, 91, 0.3);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-family: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --max-width: 1320px;
            --section-gap: 100px;
            --section-gap-mobile: 60px;
            --card-gap: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        a {
            color: inherit;
            text-decoration: none;
            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;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(30, 19, 36, 0.25);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            padding: 0;
        }

        .site-header.scrolled {
            background: rgba(30, 19, 36, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: width var(--transition-normal);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--color-accent);
        }

        .nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            border: none;
            box-shadow: 0 2px 10px rgba(183, 28, 91, 0.35);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 18px rgba(183, 28, 91, 0.5);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--color-accent);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(30, 19, 36, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 20px 24px;
            flex-direction: column;
            gap: 16px;
            z-index: 999;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transform: translateY(-100%);
            opacity: 0;
            transition: all var(--transition-normal);
            pointer-events: none;
        }

        .mobile-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav a {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.05rem;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition-fast);
        }

        .mobile-nav a:hover {
            color: var(--color-accent);
        }

        .mobile-nav .nav-cta {
            display: inline-block;
            text-align: center;
            margin-top: 8px;
        }

        /* ========== HERO ========== */
        .hero {
            min-height: 90vh;
            background: url('/assets/images/backpic/back-1.jpg') center / cover no-repeat;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 24px 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 19, 36, 0.82) 0%, rgba(183, 28, 91, 0.48) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            width: 100%;
        }

        .hero-flash-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 179, 0, 0.15);
            border: 1px solid rgba(255, 179, 0, 0.4);
            padding: 10px 22px;
            border-radius: var(--radius-xl);
            margin-bottom: 28px;
            animation: pulse-bar 2s ease-in-out infinite;
        }

        @keyframes pulse-bar {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 179, 0, 0.3);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(255, 179, 0, 0);
            }
        }

        .hero-flash-bar i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .hero-flash-bar span {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }

        .hero-countdown {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            background: rgba(0, 0, 0, 0.35);
            padding: 8px 16px;
            border-radius: var(--radius-md);
            margin-left: 4px;
        }

        .hero-countdown .cd-digit {
            background: var(--color-accent);
            color: #1E1324;
            padding: 4px 8px;
            border-radius: 5px;
            font-size: 1.1rem;
            min-width: 32px;
            text-align: center;
            display: inline-block;
        }

        .hero-countdown .cd-sep {
            color: var(--color-accent);
            font-weight: 700;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.82);
            font-weight: 400;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .hero-featured-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            max-width: 560px;
            margin: 0 auto 28px;
            text-align: left;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .hero-featured-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 179, 0, 0.5);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }

        .hero-featured-card .fc-img {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            border: 2px solid rgba(255, 255, 255, 0.25);
        }

        .hero-featured-card .fc-info h3 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .hero-featured-card .fc-info p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .hero-featured-card .fc-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #1E1324;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
        }

        .hero-search-wrap {
            max-width: 640px;
            margin: 0 auto 20px;
            position: relative;
        }

        .hero-search-wrap input {
            width: 100%;
            padding: 16px 56px 16px 24px;
            border-radius: var(--radius-xl);
            background: #fff;
            color: var(--color-text-heading);
            font-size: 1rem;
            border: 2px solid transparent;
            transition: all var(--transition-normal);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }

        .hero-search-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 8px 36px rgba(183, 28, 91, 0.25);
            outline: none;
        }

        .hero-search-wrap button {
            position: absolute;
            right: 6px;
            top: 6px;
            bottom: 6px;
            width: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-normal);
            font-size: 1rem;
        }

        .hero-search-wrap button:hover {
            background: var(--color-primary-dark);
            transform: scale(1.05);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 24px;
        }

        .hero-tags a {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all var(--transition-fast);
        }

        .hero-tags a:hover {
            background: rgba(255, 179, 0, 0.25);
            border-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 24px rgba(183, 28, 91, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: -0.5px;
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 16px auto 0;
            line-height: 1.7;
        }

        /* ========== CATEGORY GRID ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .category-card {
            background: var(--color-bg-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transform: scaleX(0);
            transition: transform var(--transition-normal);
            transform-origin: left;
        }

        .category-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(183, 28, 91, 0.15);
        }

        .category-card:hover::before {
            transform: scaleX(1);
        }

        .category-card .cat-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(183, 28, 91, 0.1), rgba(255, 179, 0, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .category-card:hover .cat-icon {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            transform: scale(1.1);
        }

        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 6px;
        }

        .category-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== VERTICAL CARDS (竖屏种草) ========== */
        .vertical-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .vertical-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .vertical-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .vertical-card .vc-img-wrap {
            position: relative;
            aspect-ratio: 3 / 4;
            overflow: hidden;
        }

        .vertical-card .vc-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .vertical-card:hover .vc-img-wrap img {
            transform: scale(1.06);
        }

        .vertical-card .vc-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #1E1324;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            z-index: 2;
        }

        .vertical-card .vc-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .vertical-card .vc-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .vertical-card .vc-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .vertical-card .vc-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--color-border);
        }

        /* ========== HOT LIST (爆款清单) ========== */
        .hot-list-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .hot-list {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid #f5f0f0;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .hot-list-item:hover {
            background: #fdf8f9;
        }

        .hot-rank {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f0e8ec;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .hot-list-item:nth-child(1) .hot-rank,
        .hot-list-item:nth-child(2) .hot-rank,
        .hot-list-item:nth-child(3) .hot-rank {
            background: var(--color-accent);
            color: #1E1324;
        }

        .hot-list-item:nth-child(1) .hot-rank {
            background: #FF6B35;
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
        }

        .hot-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 2px;
            line-height: 1.4;
        }

        .hot-info span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .hot-sidebar {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            position: sticky;
            top: 80px;
        }

        .hot-sidebar h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-primary);
        }

        .hot-sidebar .hs-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid #f5f0f0;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .hot-sidebar .hs-item:hover {
            color: var(--color-primary);
        }

        .hot-sidebar .hs-item .hs-num {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            width: 24px;
            flex-shrink: 0;
        }

        .hot-sidebar .hs-item span {
            font-size: 0.9rem;
            line-height: 1.4;
        }

        /* ========== FEATURE TRIO (卖点三连) ========== */
        .feature-trio {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            position: relative;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
            border-color: rgba(183, 28, 91, 0.2);
        }

        .feature-card .ft-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(183, 28, 91, 0.08), rgba(255, 179, 0, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .feature-card:hover .ft-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.1);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== SCREENSHOW (产品截图舞台) ========== */
        .screenshow {
            background: var(--color-bg-dark);
            padding: var(--section-gap) 0;
            overflow: hidden;
        }

        .screenshow .section-header h2 {
            color: #fff;
        }
        .screenshow .section-header p {
            color: var(--color-text-light);
        }

        .screenshow-stage {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            perspective: 1000px;
        }

        .screenshow-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            width: 300px;
            flex-shrink: 0;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .screenshow-card:hover {
            transform: translateY(-10px) rotateY(-3deg);
            box-shadow: 0 28px 56px rgba(0, 0, 0, 0.4);
        }

        .screenshow-card img {
            width: 100%;
            aspect-ratio: 16 / 11;
            object-fit: cover;
        }

        .screenshow-card .sc-body {
            padding: 16px;
        }

        .screenshow-card .sc-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .screenshow-card .sc-body p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .screenshow-dots {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 24px;
        }

        .screenshow-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .screenshow-dots span.active {
            background: var(--color-accent);
            width: 28px;
            border-radius: 5px;
        }

        /* ========== REVIEWS (评价墙) ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .review-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border-left: 3px solid transparent;
        }

        .review-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-left-color: var(--color-primary);
            transform: translateY(-3px);
        }

        .review-card .rv-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-card .rv-text {
            font-size: 0.9rem;
            color: var(--color-text-body);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .review-card .rv-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .review-card .rv-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* ========== NEWS / INFO (资讯区) ========== */
        .info-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
        }

        .info-list {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .info-list-item {
            padding: 18px 22px;
            border-bottom: 1px solid #f5f0f0;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

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

        .info-list-item:hover {
            background: #fdf8f9;
        }

        .info-list-item .il-main {
            flex: 1;
            min-width: 0;
        }

        .info-list-item .il-main h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .info-list-item .il-main .il-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 14px;
        }

        .info-list-item .il-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(183, 28, 91, 0.08);
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .info-sidebar {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 22px 18px;
            position: sticky;
            top: 80px;
            align-self: flex-start;
        }

        .info-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
        }

        .info-sidebar .is-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid #f5f0f0;
            cursor: pointer;
            transition: color var(--transition-fast);
            align-items: flex-start;
        }

        .info-sidebar .is-item:hover {
            color: var(--color-primary);
        }

        .info-sidebar .is-item .is-rank {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-primary);
            flex-shrink: 0;
            width: 26px;
        }

        .info-sidebar .is-item span {
            font-size: 0.88rem;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(183, 28, 91, 0.2);
        }

        .faq-question {
            padding: 18px 22px;
            background: #F5F0F0;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-heading);
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-item.open .faq-question {
            background: #fff;
            color: var(--color-primary);
        }

        .faq-question i {
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 22px;
        }

        /* ========== CTA SECTION (加购引导) ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2A1B33 100%);
            padding: 70px 0;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--color-text-light);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-benefits {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .cta-benefit-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .cta-benefit-item i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        /* ========== FLOATING BAR ========== */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(30, 19, 36, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 14px 24px;
            z-index: 998;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            transform: translateY(100%);
            transition: transform var(--transition-normal);
        }

        .floating-cta.visible {
            transform: translateY(0);
        }

        .floating-cta span {
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
        }

        .floating-cta .btn-primary {
            padding: 10px 24px;
            font-size: 0.9rem;
        }

        .floating-cta .btn-close-float {
            color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            font-size: 1.1rem;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            padding: 4px;
        }

        .floating-cta .btn-close-float:hover {
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            padding: 48px 0 36px;
            color: var(--color-text-light);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--color-text-light);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-copy {
            font-size: 0.85rem;
            color: var(--color-text-light);
            opacity: 0.7;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .vertical-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-list-wrap {
                grid-template-columns: 1fr;
            }
            .hot-sidebar {
                position: static;
            }
            .feature-trio {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-layout {
                grid-template-columns: 1fr;
            }
            .info-sidebar {
                position: static;
            }
            .screenshow-card {
                width: 240px;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 60px;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-nav {
                display: flex;
            }
            .hero {
                min-height: 80vh;
                padding: 80px 16px 60px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-featured-card {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }
            .hero-featured-card .fc-img {
                width: 56px;
                height: 56px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .vertical-cards {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-trio {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .screenshow-stage {
                gap: 12px;
            }
            .screenshow-card {
                width: 200px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .floating-cta {
                flex-direction: column;
                gap: 10px;
                text-align: center;
                padding: 12px 16px;
            }
            .hero-search-wrap input {
                padding: 14px 48px 14px 18px;
                font-size: 0.9rem;
            }
            .hero-countdown {
                font-size: 0.9rem;
                padding: 6px 10px;
            }
            .hero-countdown .cd-digit {
                font-size: 0.85rem;
                min-width: 24px;
                padding: 3px 6px;
            }
            .info-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .info-list-item .il-tag {
                align-self: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.65rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-flash-bar {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 6px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .category-card {
                padding: 20px 12px;
            }
            .category-card h3 {
                font-size: 0.95rem;
            }
            .vertical-cards {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .screenshow-card {
                width: 160px;
            }
            .screenshow-stage {
                gap: 8px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .hero-featured-card {
                max-width: 100%;
            }
            .hero-search-wrap {
                max-width: 100%;
            }
            .cta-benefits {
                flex-direction: column;
                align-items: center;
            }
        }