/* roulang page: index */
:root {
            --bg-primary: #070d1a;
            --bg-secondary: #0d1526;
            --bg-tertiary: #111b32;
            --card-bg: rgba(255, 255, 255, 0.04);
            --card-bg-solid: #101b30;
            --card-border: rgba(255, 255, 255, 0.08);
            --card-border-hover: rgba(56, 189, 248, 0.35);
            --text-primary: #e9edf5;
            --text-secondary: #a3aec8;
            --text-weak: #6d7b99;
            --accent: #38bdf8;
            --accent-deep: #0ea5e9;
            --accent-blue2: #6366f1;
            --glow: rgba(56, 189, 248, 0.4);
            --glow-soft: rgba(56, 189, 248, 0.15);
            --success: #34d399;
            --warning: #fbbf24;
            --danger: #f87171;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 8px 30px rgba(56, 189, 248, 0.2);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 60px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: calc(var(--nav-height) + 30px);
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #7dd3fc;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.25;
            background: linear-gradient(135deg, #e8f0ff 0%, #93c5fd 60%, #38bdf8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-header p {
            color: var(--text-secondary);
            max-width: 520px;
            font-size: 15px;
            line-height: 1.7;
        }
        .section-header .more-link {
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.2);
            padding: 6px 16px;
            border-radius: 999px;
            color: var(--accent);
            white-space: nowrap;
        }
        .section-header .more-link:hover {
            background: rgba(56, 189, 248, 0.2);
            border-color: rgba(56, 189, 248, 0.4);
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 13, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-top {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand a {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #f0f9ff 0%, #7dd3fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand a i {
            font-size: 22px;
            color: var(--accent);
            -webkit-text-fill-color: var(--accent);
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-weak);
            overflow-x: auto;
            scrollbar-width: none;
            flex: 1;
            justify-content: flex-end;
        }
        .hot-tags::-webkit-scrollbar {
            display: none;
        }
        .hot-tags a {
            color: var(--text-secondary);
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            white-space: nowrap;
            font-size: 12px;
        }
        .hot-tags a:hover {
            color: var(--accent);
            border-color: var(--card-border-hover);
            background: rgba(56, 189, 248, 0.08);
        }
        .search-entry {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 5px 8px 5px 14px;
            min-width: 160px;
            transition: var(--transition);
        }
        .search-entry input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13px;
            flex: 1;
            min-width: 0;
        }
        .search-entry input::placeholder {
            color: var(--text-weak);
        }
        .search-entry button {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 5px 8px;
            border-radius: 999px;
            font-size: 13px;
            transition: var(--transition);
        }
        .search-entry button:hover {
            color: var(--accent);
            background: rgba(56, 189, 248, 0.1);
        }
        .main-nav {
            position: relative;
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: var(--nav-height);
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: 999px;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--accent);
            background: rgba(56, 189, 248, 0.08);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(56, 189, 248, 0.12);
            box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.2);
        }
        .main-nav .btn-nav {
            background: linear-gradient(135deg, var(--accent-deep), var(--accent));
            color: #f0f9ff;
            border-radius: 999px;
            padding: 7px 22px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(56, 189, 248, 0.25);
            margin-left: 8px;
        }
        .main-nav .btn-nav:hover {
            color: #fff;
            box-shadow: 0 6px 28px rgba(56, 189, 248, 0.4);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 8px;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 100px 0 110px;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 13, 26, 0.96) 0%, rgba(7, 13, 26, 0.8) 50%, rgba(7, 13, 26, 0.55) 100%);
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(0deg, var(--bg-primary) 0%, transparent 100%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            color: #7dd3fc;
            margin-bottom: 24px;
        }
        .hero-tag i {
            font-size: 12px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.2);
            }
        }
        .hero h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 18px;
            background: linear-gradient(120deg, #ffffff 0%, #bae6fd 60%, #38bdf8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-stats {
            display: flex;
            gap: 28px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
        }
        .hero-stat b {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.1;
        }
        .hero-stat span {
            font-size: 12px;
            color: var(--text-weak);
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-deep), var(--accent));
            color: #ffffff;
            border: none;
            padding: 13px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 6px 24px var(--glow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .btn-glow:hover {
            box-shadow: 0 10px 36px rgba(56, 189, 248, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-glow:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-glow::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 60%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
            animation: sheen 3s infinite;
        }
        @keyframes sheen {
            0% {
                left: -100%;
            }
            50%,
            100% {
                left: 200%;
            }
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 13px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: rgba(56, 189, 248, 0.5);
            background: rgba(56, 189, 248, 0.06);
            color: var(--accent);
        }

        /* Coupon Wall */
        .coupon-wall {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(16px);
            box-shadow: var(--shadow);
        }
        .coupon-main {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(99, 102, 241, 0.15) 100%);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius);
            padding: 28px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .coupon-main::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 80%;
            height: 80%;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
        }
        .coupon-tag {
            background: var(--warning);
            color: #1e293b;
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .coupon-main .amount {
            font-size: 56px;
            font-weight: 900;
            color: #fff;
            line-height: 1;
            letter-spacing: -2px;
        }
        .coupon-main .amount small {
            font-size: 24px;
            font-weight: 700;
        }
        .coupon-main .name {
            font-size: 18px;
            font-weight: 700;
            margin: 8px 0 4px;
        }
        .coupon-main .desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .coupon-main .btn-glow {
            width: 100%;
            justify-content: center;
        }
        .coupon-sub {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .mini-coupon {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }
        .mini-coupon:hover {
            border-color: var(--card-border-hover);
            background: rgba(56, 189, 248, 0.06);
        }
        .mini-coupon b {
            font-size: 16px;
            display: block;
            margin-bottom: 4px;
            color: #f0f9ff;
        }
        .mini-coupon span {
            font-size: 12px;
            color: var(--text-weak);
        }
        .mini-coupon a {
            font-size: 13px;
            color: var(--accent);
            margin-top: 6px;
            display: inline-block;
        }
        .coupon-note {
            text-align: center;
            font-size: 12px;
            color: var(--text-weak);
            display: block;
            margin-top: 4px;
        }

        /* Metrics Band */
        .metrics-band {
            background: var(--bg-secondary);
            border-block: 1px solid rgba(255, 255, 255, 0.04);
            padding: 40px 0;
            position: relative;
            z-index: 3;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-item {
            text-align: center;
            padding: 16px 20px;
            position: relative;
        }
        .metric-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.08);
        }
        .metric-item b {
            font-size: 34px;
            font-weight: 800;
            background: linear-gradient(135deg, #e0f2fe, #38bdf8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
            line-height: 1.2;
        }
        .metric-item span {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Track / Theme Carousel */
        .track-section {
            padding-top: 60px;
        }
        .track-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 4px 20px;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .track-scroll::-webkit-scrollbar {
            display: none;
        }
        .track-card {
            min-width: 300px;
            max-width: 300px;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            scroll-snap-align: start;
            height: 220px;
            flex-shrink: 0;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .track-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .track-card .track-veil {
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, transparent 40%, rgba(7, 13, 26, 0.92) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            transition: var(--transition);
        }
        .track-card:hover img {
            transform: scale(1.05);
        }
        .track-card:hover .track-veil {
            background: linear-gradient(200deg, rgba(7, 13, 26, 0.2) 0%, rgba(7, 13, 26, 0.95) 100%);
        }
        .track-card .tag {
            font-size: 12px;
            background: rgba(56, 189, 248, 0.2);
            backdrop-filter: blur(8px);
            color: #7dd3fc;
            border-radius: 999px;
            padding: 3px 12px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 8px;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }
        .track-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .track-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .track-card .track-cta {
            font-size: 13px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            opacity: 0;
            transform: translateY(6px);
            transition: var(--transition);
        }
        .track-card:hover .track-cta {
            opacity: 1;
            transform: translateY(0);
        }

        /* Hot Grid */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .hot-card {
            background: var(--card-bg-solid);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .hot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--card-border-hover);
        }
        .hot-card .cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .hot-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hot-card:hover .cover img {
            transform: scale(1.05);
        }
        .hot-card .cover .badge-hot {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(251, 191, 36, 0.95);
            color: #1e293b;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .hot-card .body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .hot-card .meta {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .hot-card .meta i {
            margin-right: 3px;
        }
        .hot-card p {
            font-size: 13px;
            color: var(--text-secondary);
            flex: 1;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .hot-card .price-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }
        .hot-card .price {
            color: var(--warning);
            font-weight: 700;
            font-size: 18px;
        }
        .hot-card .price small {
            font-size: 12px;
            color: var(--text-weak);
            font-weight: 400;
            margin-left: 2px;
        }
        .hot-card .order-btn {
            font-size: 13px;
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: 999px;
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .hot-card .order-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent);
        }

        /* Zone List / Numbered List */
        .zone-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .zone-item {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .zone-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(135deg, var(--accent), transparent);
            opacity: 0.4;
        }
        .zone-item:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-glow);
            transform: translateX(4px);
        }
        .zone-number {
            font-size: 46px;
            font-weight: 900;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1.5px rgba(56, 189, 248, 0.5);
            flex-shrink: 0;
            font-family: 'Arial Black', sans-serif;
        }
        .zone-content h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .zone-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .zone-content .zone-meta {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .zone-content .zone-meta span {
            font-size: 12px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.04);
            padding: 3px 10px;
            border-radius: 999px;
        }
        .zone-item .go-link {
            position: absolute;
            right: 18px;
            bottom: 18px;
            font-size: 22px;
            color: rgba(56, 189, 248, 0.4);
            transition: var(--transition);
        }
        .zone-item:hover .go-link {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* News */
        .news-section {
            background: var(--bg-secondary);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 22px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
            cursor: pointer;
        }
        .news-item:first-child {
            padding-top: 0;
        }
        .news-item:hover {
            padding-left: 4px;
        }
        .news-item .news-index {
            font-size: 26px;
            font-weight: 800;
            color: rgba(56, 189, 248, 0.25);
            line-height: 1.2;
            flex-shrink: 0;
        }
        .news-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .news-item:hover h3 {
            color: var(--accent);
        }
        .news-item p {
            font-size: 13px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .right-widget {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 24px;
        }
        .right-widget h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .right-widget h4 i {
            color: var(--accent);
        }
        .hot-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hot-keywords a {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 5px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .hot-keywords a:hover {
            color: var(--accent);
            border-color: var(--card-border-hover);
            background: rgba(56, 189, 248, 0.08);
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .ranking-item .rk {
            font-size: 13px;
            font-weight: 800;
            color: rgba(56, 189, 248, 0.5);
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }
        .ranking-item:first-child .rk,
        .ranking-item:nth-child(2) .rk,
        .ranking-item:nth-child(3) .rk {
            color: var(--warning);
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-glow);
        }
        .faq-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: #e2e8f0;
        }
        .faq-item h3 i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 5px;
            flex-shrink: 0;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            padding-left: 26px;
        }

        /* CTA / Contact */
        .contact-section {
            position: relative;
            padding: 100px 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat fixed;
        }
        .contact-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 13, 26, 0.88);
            backdrop-filter: blur(4px);
        }
        .contact-section .container {
            position: relative;
            z-index: 2;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 48px;
            align-items: start;
        }
        .contact-copy h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .contact-copy>p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 30px;
            max-width: 400px;
        }
        .phone-block {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .phone-block .icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-deep), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 20px var(--glow);
        }
        .phone-block .label {
            font-size: 13px;
            color: var(--text-weak);
        }
        .phone-block .number {
            font-size: 24px;
            font-weight: 800;
            color: #f0f9ff;
            letter-spacing: 1px;
            display: block;
        }
        .service-time {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .service-time span {
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.07);
        }
        .contact-form-card {
            background: rgba(13, 21, 38, 0.8);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
        }
        .contact-form-card h3 {
            font-size: 22px;
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            font-size: 13px;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            outline: none;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
            background: rgba(255, 255, 255, 0.07);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236d7b99' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }
        .form-group option {
            background: #101b30;
            color: var(--text-primary);
        }
        .form-submit {
            width: 100%;
            justify-content: center;
            margin-top: 8px;
        }

        /* Floating CTA */
        .float-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 900;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .float-cta a {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
            transition: var(--transition);
        }
        .float-cta .float-phone {
            background: linear-gradient(135deg, var(--accent-deep), var(--accent));
            color: #fff;
        }
        .float-cta .float-wechat {
            background: #22c55e;
            color: #fff;
        }
        .float-cta a:hover {
            transform: translateY(-3px) scale(1.04);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        /* Footer */
        .site-footer {
            background: #050a15;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-weak);
            max-width: 340px;
            line-height: 1.7;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #e8eaf6;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: var(--text-weak);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Scroll top */
        .scroll-top {
            position: fixed;
            bottom: 24px;
            left: 24px;
            z-index: 900;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            cursor: pointer;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            background: rgba(56, 189, 248, 0.12);
            color: var(--accent);
            border-color: rgba(56, 189, 248, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero {
                padding: 60px 0 80px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hot-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item:nth-child(2)::after {
                display: none;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .header-top .container {
                flex-wrap: wrap;
            }
            .hot-tags {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-top: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.04);
                margin-top: 6px;
            }
            .search-entry {
                min-width: 120px;
                max-width: 180px;
            }
            .main-nav .container {
                gap: 4px;
            }
            .main-nav a {
                font-size: 13px;
                padding: 5px 14px;
            }
            .main-nav .btn-nav {
                padding: 6px 16px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-stats {
                gap: 12px;
            }
            .hero-stat {
                padding: 10px 16px;
            }
            .hero-stat b {
                font-size: 22px;
            }
            .coupon-wall {
                padding: 20px;
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .track-card {
                min-width: 240px;
                max-width: 240px;
                height: 190px;
            }
            .zone-list {
                grid-template-columns: 1fr;
            }
            .news-grid {
                gap: 32px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .float-cta a {
                width: 44px;
                height: 44px;
                font-size: 17px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand a {
                font-size: 17px;
            }
            .search-entry {
                display: none;
            }
            .main-nav .container {
                justify-content: flex-start;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .main-nav .container::-webkit-scrollbar {
                display: none;
            }
            .main-nav a {
                white-space: nowrap;
            }
            .header-top .container {
                padding: 8px 16px;
            }
            .hero {
                padding: 48px 0 64px;
            }
            .hero h1 {
                font-size: 26px;
                letter-spacing: -0.5px;
            }
            .hero-desc {
                font-size: 14px;
                line-height: 1.7;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .hero-stat {
                text-align: left;
                display: flex;
                align-items: center;
                gap: 12px;
                padding: 10px 14px;
            }
            .hero-stat b {
                font-size: 24px;
                min-width: 70px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-glow,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .coupon-sub {
                grid-template-columns: 1fr 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-item {
                padding: 12px 8px;
            }
            .metric-item b {
                font-size: 26px;
            }
            .metric-item span {
                font-size: 12px;
            }
            .hot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hot-card .cover {
                height: 130px;
            }
            .hot-card .body {
                padding: 14px;
            }
            .hot-card h3 {
                font-size: 15px;
            }
            .hot-card .meta {
                font-size: 11px;
            }
            .hot-card p {
                font-size: 12px;
            }
            .price-row {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
            .zone-item {
                padding: 18px;
                flex-direction: column;
                gap: 12px;
            }
            .zone-number {
                font-size: 36px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item .news-index {
                font-size: 20px;
            }
            .faq-item {
                padding: 18px;
            }
            .faq-item p {
                font-size: 13px;
            }
            .contact-section {
                padding: 60px 0;
                background-attachment: scroll;
            }
            .contact-copy h2 {
                font-size: 28px;
            }
            .contact-form-card {
                padding: 24px;
            }
            .phone-block {
                flex-direction: column;
                text-align: center;
            }
            .service-time {
                justify-content: center;
            }
            .footer-grid {
                gap: 24px;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }