/* roulang page: index */
:root {
            --primary: #2C5F9E;
            --primary-light: #4A90E2;
            --primary-dark: #1B3D6B;
            --accent-gold: #C9A96E;
            --accent-amber: #B87333;
            --bg-white: #FFFFFF;
            --bg-light: #F7F9FC;
            --bg-lighter: #EDF1F7;
            --bg-dark: #1B1E2A;
            --bg-darker: #15171F;
            --text-primary: #1A1D28;
            --text-secondary: #4A5568;
            --text-muted: #718096;
            --text-light: #A0AEC0;
            --text-white: #F0F2F5;
            --border-light: #E2E8F0;
            --border-medium: #CBD5E0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --neon-glow-gold: 0 0 12px rgba(201, 169, 110, 0.5), 0 0 24px rgba(201, 169, 110, 0.25);
            --neon-glow-amber: 0 0 10px rgba(184, 115, 51, 0.4), 0 0 20px rgba(184, 115, 51, 0.2);
            --container-max: 1200px;
            --nav-height: 66px;
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--text-primary);
            background: var(--bg-white);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ============ NAVIGATION ============ */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-dark);
            height: var(--nav-height);
            border-bottom: 2px solid transparent;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
            transition: border-color var(--transition-smooth);
        }

        .header::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg,
                    transparent 0%,
                    var(--accent-gold) 20%,
                    var(--accent-gold) 80%,
                    transparent 100%);
            box-shadow: var(--neon-glow-gold);
            opacity: 0.85;
            pointer-events: none;
        }

        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo .logo-icon {
            color: var(--accent-gold);
            font-size: 1.4rem;
            filter: drop-shadow(0 0 6px rgba(201, 169, 110, 0.5));
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-menu li a {
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            padding: 8px 0;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            box-shadow: var(--neon-glow-gold);
            transition: transform var(--transition-smooth);
        }

        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: var(--accent-gold);
        }

        .nav-menu li a:hover::after,
        .nav-menu li a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-cta {
            background: var(--accent-gold);
            color: var(--bg-dark) !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-sm);
            font-weight: 600 !important;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth) !important;
            box-shadow: 0 2px 10px rgba(201, 169, 110, 0.3);
        }

        .nav-cta:hover {
            background: #D4B87A !important;
            box-shadow: var(--neon-glow-gold) !important;
            transform: translateY(-1px);
            color: var(--bg-dark) !important;
        }

        .nav-cta::after {
            display: none !important;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

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

            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-darker);
                flex-direction: column;
                padding: 100px 32px 40px;
                gap: 24px;
                transition: right var(--transition-smooth);
                box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
                z-index: 1000;
            }

            .nav-menu.open {
                right: 0;
            }

            .nav-menu li a {
                font-size: 1.05rem;
                color: var(--text-white);
            }

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

        /* ============ HERO - 拼团转化 ============ */
        .hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(27, 30, 42, 0.88) 0%,
                    rgba(27, 30, 42, 0.72) 40%,
                    rgba(44, 95, 158, 0.35) 70%,
                    rgba(27, 30, 42, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 60px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-text {
            color: var(--text-white);
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.4);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            color: #FFFFFF;
        }

        .hero h1 .highlight {
            color: var(--accent-gold);
            text-shadow: 0 0 20px rgba(201, 169, 110, 0.5);
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--bg-dark);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }

        .btn-primary:hover {
            background: #D4B87A;
            box-shadow: var(--neon-glow-gold);
            transform: translateY(-2px);
        }

        .btn-primary:hover::before {
            transform: translateX(100%);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.3);
            transform: translateY(-2px);
        }

        .hero-group-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: var(--text-white);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-smooth);
        }

        .hero-group-card:hover {
            border-color: rgba(201, 169, 110, 0.5);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(201, 169, 110, 0.15);
        }

        .group-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
        }

        .group-header i {
            font-size: 1.3rem;
            filter: drop-shadow(0 0 6px rgba(201, 169, 110, 0.5));
        }

        .group-progress-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .group-progress-info strong {
            color: var(--accent-gold);
            font-size: 1.15rem;
        }

        .group-progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .group-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-gold), #D4B87A);
            border-radius: 4px;
            box-shadow: 0 0 8px rgba(201, 169, 110, 0.5);
            transition: width 0.6s ease;
            width: 60%;
        }

        .group-tip {
            font-size: 0.85rem;
            color: #FFB74D;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .group-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-group-start {
            background: var(--accent-gold);
            color: var(--bg-dark);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            flex: 1;
            min-width: 100px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 12px rgba(201, 169, 110, 0.3);
        }

        .btn-group-start:hover {
            background: #D4B87A;
            box-shadow: var(--neon-glow-gold);
            transform: translateY(-2px);
        }

        .btn-group-join {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            flex: 1;
            min-width: 100px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .btn-group-join:hover {
            background: rgba(201, 169, 110, 0.12);
            box-shadow: 0 0 14px rgba(201, 169, 110, 0.35);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                background-attachment: scroll;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 20px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero-group-card {
                padding: 24px 20px;
            }

            .group-buttons {
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }

            .hero-desc {
                font-size: 0.9rem;
            }

            .btn {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: 72px 0;
        }

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

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

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--accent-amber);
            text-transform: uppercase;
            margin-bottom: 12px;
            padding: 4px 14px;
            background: rgba(184, 115, 51, 0.08);
            border-radius: 20px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ============ NEW PRODUCTS - 新品卖点 ============ */
        .new-products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .product-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(201, 169, 110, 0.3);
        }

        .product-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .product-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .product-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent-amber);
            background: rgba(184, 115, 51, 0.08);
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

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

        .product-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .product-card-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

        .product-card-link:hover {
            color: var(--accent-amber);
        }

        @media (max-width: 768px) {
            .new-products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .product-card-img {
                height: 180px;
            }
        }

        @media (max-width: 480px) {
            .new-products-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ SPECS - 参数速览 ============ */
        .specs-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .spec-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }

        .spec-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(44, 95, 158, 0.25);
            transform: translateY(-3px);
        }

        .spec-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
            margin-bottom: 6px;
        }

        .spec-number .spec-unit {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .spec-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .specs-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .spec-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .specs-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .spec-card {
                padding: 20px 14px;
            }
        }

        /* ============ GUARANTEES - 保障图标条 ============ */
        .guarantees-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            padding: 20px 0;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            min-width: 180px;
            justify-content: center;
        }

        .guarantee-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 169, 110, 0.3);
            transform: translateY(-2px);
        }

        .guarantee-icon {
            font-size: 1.6rem;
            color: var(--accent-gold);
            filter: drop-shadow(0 0 4px rgba(201, 169, 110, 0.4));
            flex-shrink: 0;
        }

        .guarantee-text {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .guarantees-row {
                gap: 16px;
            }

            .guarantee-item {
                min-width: 140px;
                padding: 12px 16px;
                gap: 8px;
            }

            .guarantee-text {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .guarantees-row {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .guarantee-item {
                justify-content: flex-start;
                padding: 14px 18px;
            }
        }

        /* ============ PROGRESS - 任务进度 ============ */
        .progress-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .progress-steps::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 40px;
            right: 40px;
            height: 3px;
            background: var(--border-light);
            z-index: 0;
            border-radius: 2px;
        }

        .progress-step {
            position: relative;
            z-index: 1;
            text-align: center;
            flex: 1;
        }

        .progress-step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 3px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--text-muted);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }

        .progress-step.completed .progress-step-circle {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 0 16px rgba(44, 95, 158, 0.4);
        }

        .progress-step.current .progress-step-circle {
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            color: #fff;
            box-shadow: var(--neon-glow-gold);
            animation: pulse-gold 2s ease-in-out infinite;
        }

        @keyframes pulse-gold {
            0%,
            100% {
                box-shadow: 0 0 12px rgba(201, 169, 110, 0.5);
            }
            50% {
                box-shadow: 0 0 28px rgba(201, 169, 110, 0.8);
            }
        }

        .progress-step-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .progress-step-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .progress-step.completed .progress-step-label {
            color: var(--primary);
        }

        .progress-step.current .progress-step-label {
            color: var(--accent-amber);
        }

        @media (max-width: 768px) {
            .progress-steps {
                flex-direction: column;
                gap: 20px;
                padding-left: 20px;
            }

            .progress-steps::before {
                top: 0;
                left: 26px;
                right: auto;
                bottom: 0;
                width: 3px;
                height: auto;
            }

            .progress-step {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
            }

            .progress-step-circle {
                width: 44px;
                height: 44px;
                font-size: 1rem;
                margin: 0;
                flex-shrink: 0;
            }
        }

        /* ============ TIMELINE - 时间线 ============ */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg,
                    var(--accent-gold) 0%,
                    var(--primary-light) 50%,
                    var(--accent-amber) 100%);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(201, 169, 110, 0.3);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 28px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -31px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 0 10px rgba(201, 169, 110, 0.35);
            z-index: 1;
            transition: all var(--transition-smooth);
        }

        .timeline-item:hover .timeline-dot {
            box-shadow: var(--neon-glow-gold);
            transform: scale(1.2);
        }

        .timeline-item h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .timeline {
                padding-left: 30px;
            }

            .timeline::before {
                left: 12px;
            }

            .timeline-dot {
                left: -25px;
                width: 12px;
                height: 12px;
                border-width: 2px;
            }

            .timeline-item {
                padding-left: 20px;
                margin-bottom: 24px;
            }
        }

        /* ============ SHOWCASE - 片库轨道 ============ */
        .showcase-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 12px 4px 24px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-medium) transparent;
        }

        .showcase-track::-webkit-scrollbar {
            height: 6px;
        }

        .showcase-track::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }

        .showcase-track::-webkit-scrollbar-thumb {
            background: var(--border-medium);
            border-radius: 3px;
        }

        .showcase-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }

        .showcase-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(201, 169, 110, 0.4);
        }

        .showcase-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .showcase-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(27, 30, 42, 0.85) 0%, transparent 60%);
            opacity: 0;
            transition: opacity var(--transition-smooth);
            display: flex;
            align-items: flex-end;
            padding: 20px;
            border-radius: var(--radius-md);
        }

        .showcase-card:hover .showcase-card-overlay {
            opacity: 1;
        }

        .showcase-card-overlay .overlay-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .showcase-card-overlay .overlay-cta {
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .showcase-card-body {
            padding: 16px;
        }

        .showcase-card-body h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .showcase-card-body .showcase-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .showcase-card {
                flex: 0 0 220px;
            }

            .showcase-card-img {
                height: 150px;
            }
        }

        @media (max-width: 480px) {
            .showcase-card {
                flex: 0 0 180px;
            }
        }

        /* ============ NEWS - 资讯 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

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

        .news-item {
            display: flex;
            align-items: baseline;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            background: rgba(44, 95, 158, 0.03);
            padding-left: 8px;
            border-radius: 4px;
        }

        .news-item-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
            min-width: 70px;
        }

        .news-item-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .news-item:hover .news-item-title {
            color: var(--primary);
        }

        .news-sidebar {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: sticky;
            top: 90px;
        }

        .news-sidebar h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent-gold);
        }

        .news-sidebar-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

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

        .news-sidebar-num {
            font-weight: 700;
            color: var(--accent-amber);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .news-sidebar-text {
            font-size: 0.85rem;
            font-weight: 500;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .news-sidebar {
                position: static;
                order: -1;
            }
        }

        /* ============ BOOKING - 预约购买 ============ */
        .booking-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }

        .booking-info {
            padding: 48px 40px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1F2A3D 100%);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 400px;
        }

        .booking-info h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .booking-info p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .booking-highlights {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .booking-highlight-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .booking-highlight-item i {
            color: var(--accent-gold);
            font-size: 1rem;
            filter: drop-shadow(0 0 4px rgba(201, 169, 110, 0.5));
        }

        .booking-form-area {
            padding: 48px 40px;
        }

        .booking-form-area h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .booking-form-area .form-subtitle {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text-primary);
            background: var(--bg-light);
            transition: all var(--transition-fast);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
            background: #fff;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-submit:hover {
            background: #D4B87A;
            box-shadow: var(--neon-glow-gold);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .booking-wrapper {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .booking-info {
                padding: 32px 24px;
                min-height: auto;
            }

            .booking-form-area {
                padding: 32px 24px;
            }
        }

        /* ============ FOOTER ============ */
        .footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 48px 0 24px;
            border-top: 2px solid rgba(201, 169, 110, 0.3);
            position: relative;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg,
                    transparent 0%,
                    var(--accent-gold) 30%,
                    var(--accent-gold) 70%,
                    transparent 100%);
            box-shadow: var(--neon-glow-gold);
            opacity: 0.6;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 14px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1rem;
            transition: all var(--transition-smooth);
        }

        .footer-social a:hover {
            background: var(--accent-gold);
            color: var(--bg-dark);
            box-shadow: var(--neon-glow-gold);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ============ MOBILE NAV OVERLAY ============ */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            transition: opacity var(--transition-smooth);
        }

        .nav-overlay.show {
            display: block;
        }

        /* ============ UTILITY ANIMATIONS ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }