/* roulang page: index */
:root {
            --bg-primary: #0F0F0F;
            --bg-secondary: #1A1A1A;
            --bg-tertiary: #2A2A2A;
            --bg-card: #1A1A1A;
            --text-primary: #F0F0F0;
            --text-secondary: #C0C0C0;
            --text-muted: #8A8A8A;
            --color-gold-dark: #B8860B;
            --color-gold: #D4A535;
            --color-gold-light: #E5B96B;
            --color-gold-glow: rgba(229, 185, 107, 0.6);
            --color-accent: #E5B96B;
            --color-border: #333333;
            --color-border-light: #444444;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.75);
            --shadow-btn: 0 4px 12px rgba(229, 185, 107, 0.6);
            --shadow-btn-hover: 0 6px 20px rgba(229, 185, 107, 0.8);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --nav-width: 260px;
            --container-max: 1280px;
            --font-hero: 3rem;
            --font-section: 2rem;
            --font-body: 1rem;
            --font-small: 0.875rem;
            --line-height-body: 1.8;
            --gradient-gold: linear-gradient(135deg, #B8860B, #E5B96B);
            --gradient-dark-overlay: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.55) 40%, rgba(0, 0, 0, 0.15) 75%, transparent 100%);
        }

        *,
        *::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: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: var(--line-height-body);
            font-size: var(--font-body);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

        a {
            color: var(--color-gold-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-gold);
        }
        a:focus-visible {
            outline: 2px solid var(--color-gold-light);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--color-gold-light);
            outline-offset: 3px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

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

        /* ========== 布局 ========== */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-width: 0;
            transition: margin-left var(--transition-normal);
        }

        /* ========== 左侧竖向导航（桌面端） ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: #0A0A0A;
            border-right: 1px solid var(--color-border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-normal);
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.5);
        }

        .side-nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .side-nav-brand .brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-gold-light);
            letter-spacing: 0.04em;
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-nav-brand .brand-name .brand-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .side-nav-brand .brand-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .side-nav-menu {
            flex: 1;
            padding: 16px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .side-nav-menu .nav-item {
            position: relative;
        }

        .side-nav-menu .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            text-decoration: none;
            cursor: pointer;
            position: relative;
            white-space: nowrap;
        }

        .side-nav-menu .nav-link:hover {
            color: var(--text-primary);
            background-color: rgba(255, 255, 255, 0.03);
            border-left-color: rgba(229, 185, 107, 0.4);
        }

        .side-nav-menu .nav-link.active {
            color: var(--color-gold-light);
            background-color: rgba(184, 134, 11, 0.08);
            border-left-color: var(--color-gold-light);
            font-weight: 600;
        }

        .side-nav-menu .nav-link .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            opacity: 0.7;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .side-nav-menu .nav-link.active .nav-icon {
            opacity: 1;
        }

        .side-nav-menu .nav-link:focus-visible {
            outline: 2px solid var(--color-gold-light);
            outline-offset: -2px;
        }

        .side-nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .side-nav-footer .nav-phone {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-nav-footer .nav-phone svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            opacity: 0.6;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1001;
            background-color: #0A0A0A;
            border-bottom: 1px solid var(--color-border);
            padding: 0 16px;
            height: 56px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
        }

        .mobile-nav .mobile-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-gold-light);
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }

        .mobile-nav .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 1002;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
        }

        .mobile-nav .hamburger:hover {
            background-color: rgba(255, 255, 255, 0.05);
        }

        .mobile-nav .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

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

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.85);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .mobile-menu-overlay.active {
            display: block;
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #0A0A0A;
            z-index: 1000;
            flex-direction: column;
            padding: 16px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition-normal);
        }
        .mobile-menu-panel.active {
            display: flex;
            transform: translateX(0);
        }

        .mobile-menu-panel .mobile-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            color: var(--text-secondary);
            font-size: 1.05rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-decoration: none;
            border-left: 3px solid transparent;
        }
        .mobile-menu-panel .mobile-nav-link:hover,
        .mobile-menu-panel .mobile-nav-link.active {
            color: var(--color-gold-light);
            background-color: rgba(184, 134, 11, 0.08);
            border-left-color: var(--color-gold-light);
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: var(--gradient-gold);
            color: #1A1A0A;
            box-shadow: var(--shadow-btn);
            border: none;
        }
        .btn-primary:hover {
            filter: brightness(1.2);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #1A1A0A;
        }
        .btn-primary:active {
            filter: brightness(1.05);
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-gold-light);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-gold-light);
            border: 2px solid var(--color-gold-dark);
            box-shadow: none;
        }
        .btn-outline:hover {
            background-color: rgba(184, 134, 11, 0.1);
            border-color: var(--color-gold-light);
            color: var(--color-gold-light);
            box-shadow: 0 0 20px rgba(229, 185, 107, 0.2);
        }
        .btn-outline:active {
            background-color: rgba(184, 134, 11, 0.2);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 0.875rem;
            border-radius: 6px;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg-primary);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--gradient-dark-overlay);
            z-index: 1;
        }

        .hero-content-wrapper {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 200px 1fr 200px;
            gap: 40px;
            align-items: center;
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-side-item {
            background: rgba(26, 26, 26, 0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: center;
            transition: all var(--transition-normal);
        }
        .hero-side-item:hover {
            border-color: rgba(229, 185, 107, 0.4);
            background: rgba(26, 26, 26, 0.9);
            box-shadow: 0 0 24px rgba(229, 185, 107, 0.12);
        }
        .hero-side-item .side-icon {
            font-size: 1.5rem;
            margin-bottom: 6px;
            color: var(--color-gold-light);
        }
        .hero-side-item .side-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .hero-center {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(229, 185, 107, 0.15);
            border: 1px solid rgba(229, 185, 107, 0.35);
            color: var(--color-gold-light);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(229, 185, 107, 0.3);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(229, 185, 107, 0);
            }
        }

        .hero-title {
            font-size: var(--font-hero);
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            line-height: 1.2;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
            max-width: 700px;
        }
        .hero-title .highlight {
            color: var(--color-gold-light);
            position: relative;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: #D0D0D0;
            max-width: 600px;
            line-height: 1.7;
            letter-spacing: 0.03em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-gold-light);
        }
        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background-color: var(--bg-secondary);
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: var(--font-section);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            display: inline-block;
            position: relative;
            padding-bottom: 16px;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--gradient-gold);
            border-radius: 3px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            letter-spacing: 0.03em;
        }

        /* ========== 指标看板 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-card {
            background: rgba(26, 26, 26, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient-gold);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .metric-card:hover {
            border-color: rgba(229, 185, 107, 0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .metric-card:hover::before {
            opacity: 1;
        }
        .metric-card .metric-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--color-gold-light);
            opacity: 0.8;
        }
        .metric-card .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            transition: transform var(--transition-normal);
        }
        .metric-card:hover .metric-value {
            transform: scale(1.08);
            color: var(--color-gold-light);
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* ========== 功能对比表 ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 700px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .comparison-table thead th {
            background-color: #1A1A1A;
            padding: 20px 24px;
            text-align: center;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.04em;
            border-bottom: 2px solid var(--color-border);
        }
        .comparison-table thead th.col-traditional {
            color: var(--text-muted);
        }
        .comparison-table thead th.col-studio {
            color: var(--color-gold-light);
            background-color: rgba(184, 134, 11, 0.08);
            border-bottom: 2px solid var(--color-gold-dark);
        }
        .comparison-table tbody td {
            padding: 16px 24px;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.95rem;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
            background-color: #111111;
        }
        .comparison-table tbody td.col-studio {
            color: var(--color-gold-light);
            background-color: rgba(184, 134, 11, 0.04);
            font-weight: 500;
        }
        .comparison-table tbody tr:hover td {
            background-color: #181818;
        }
        .comparison-table tbody tr:hover td.col-studio {
            background-color: rgba(184, 134, 11, 0.08);
        }
        .comparison-table .check-icon {
            color: var(--color-gold-light);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .comparison-table .cross-icon {
            color: #666;
            font-size: 1.1rem;
        }

        /* ========== 服务矩阵（推荐档） ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .service-card.featured {
            grid-column: span 1;
            border-color: rgba(229, 185, 107, 0.3);
            box-shadow: 0 8px 32px rgba(229, 185, 107, 0.1);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 185, 107, 0.4);
        }
        .service-card .card-cover {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .card-cover img {
            transform: scale(1.06);
        }
        .service-card .card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--color-gold-dark);
            color: #1A1A0A;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            z-index: 1;
        }
        .service-card .card-body {
            padding: 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .service-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }
        .service-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            letter-spacing: 0.03em;
        }
        .service-card .card-footer {
            padding-top: 8px;
        }

        /* ========== 拼团专区 ========== */
        .group-buy-section {
            background: linear-gradient(180deg, #111111 0%, #0F0F0F 100%);
            border-top: 1px solid rgba(229, 185, 107, 0.15);
            border-bottom: 1px solid rgba(229, 185, 107, 0.15);
        }
        .group-buy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .group-buy-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .group-buy-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 24px;
        }
        .group-buy-step {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 16px;
            background: rgba(26, 26, 26, 0.5);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition-fast);
        }
        .group-buy-step:hover {
            border-color: rgba(229, 185, 107, 0.25);
            background: rgba(26, 26, 26, 0.7);
        }
        .group-buy-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-gold);
            color: #1A1A0A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .group-buy-step .step-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
            line-height: 1.5;
        }
        .group-buy-step .step-text strong {
            color: var(--color-gold-light);
        }
        .group-buy-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .group-buy-item {
            background: rgba(26, 26, 26, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-normal);
        }
        .group-buy-item:hover {
            border-color: rgba(229, 185, 107, 0.35);
            box-shadow: 0 0 20px rgba(229, 185, 107, 0.08);
        }
        .group-buy-item .gb-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }
        .group-buy-item .gb-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            letter-spacing: 0.03em;
        }
        .group-buy-item .gb-badge {
            background: rgba(229, 185, 107, 0.2);
            color: var(--color-gold-light);
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .group-buy-item .gb-progress {
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .group-buy-item .gb-progress-fill {
            height: 100%;
            background: var(--gradient-gold);
            border-radius: 4px;
            transition: width var(--transition-slow);
        }
        .group-buy-item .gb-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }
        .group-buy-item .gb-meta span {
            color: var(--color-gold-light);
            font-weight: 600;
        }

        /* ========== 资讯区 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
        }
        .news-list-item:hover {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--text-primary);
        }
        .news-list-item .news-title {
            font-weight: 500;
            font-size: 0.95rem;
            flex: 1;
            padding-right: 16px;
        }
        .news-list-item .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-recommend {
            background: rgba(26, 26, 26, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .news-recommend h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-gold-light);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .news-recommend .rec-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: var(--text-secondary);
        }
        .news-recommend .rec-item:hover {
            color: var(--color-gold-light);
        }
        .news-recommend .rec-item .rec-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold-dark);
            flex-shrink: 0;
        }
        .news-recommend .rec-item .rec-text {
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }

        /* ========== 评价墙 ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: rgba(26, 26, 26, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .review-card:hover {
            border-color: rgba(229, 185, 107, 0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .review-card .review-stars {
            color: var(--color-gold-light);
            font-size: 1.1rem;
            letter-spacing: 2px;
        }
        .review-card .review-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            letter-spacing: 0.03em;
            flex: 1;
        }
        .review-card .review-author {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .review-summary {
            text-align: center;
            margin-bottom: 40px;
        }
        .review-summary .review-avg {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-gold-light);
        }
        .review-summary .review-total {
            font-size: 0.9rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ========== 转化表单 ========== */
        .cta-form-section {
            background-color: #0D0D0D;
            background-image: radial-gradient(ellipse at center, rgba(229, 185, 107, 0.04) 0%, transparent 70%);
            position: relative;
        }
        .cta-form-wrap {
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-form {
            background: rgba(26, 26, 26, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .cta-form .form-group {
            margin-bottom: 20px;
        }
        .cta-form label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 14px 16px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            outline: none;
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--color-gold-light);
            box-shadow: 0 0 0 3px rgba(229, 185, 107, 0.1);
            background-color: #333333;
        }
        .cta-form input::placeholder {
            color: #666;
        }
        .cta-form select {
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23B8860B'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }
        .cta-form select option {
            background-color: #1A1A1A;
            color: var(--text-primary);
        }
        .cta-form .btn-submit {
            width: 100%;
            padding: 16px;
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(26, 26, 26, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: rgba(229, 185, 107, 0.2);
        }
        .faq-item.active {
            border-color: rgba(229, 185, 107, 0.35);
            box-shadow: 0 0 20px rgba(229, 185, 107, 0.06);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            text-align: left;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--color-gold-light);
        }
        .faq-question .faq-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(229, 185, 107, 0.15);
            color: var(--color-gold-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .faq-item.active .faq-question .faq-num {
            background: var(--color-gold-dark);
            color: #1A1A0A;
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-gold-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            letter-spacing: 0.03em;
        }

        /* ========== 品牌故事 ========== */
        .brand-story-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .brand-story-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .brand-story-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .brand-story-visual {
            background: rgba(26, 26, 26, 0.5);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            aspect-ratio: 4/3;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-story-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-values {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .brand-value-tag {
            background: rgba(229, 185, 107, 0.1);
            border: 1px solid rgba(229, 185, 107, 0.25);
            color: var(--color-gold-light);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: #080808;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            line-height: 1.8;
            display: block;
        }
        .footer-col a:hover {
            color: var(--color-gold-light);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }
        .footer-bottom strong {
            color: var(--color-gold-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-side {
                flex-direction: row;
                justify-content: center;
                gap: 12px;
                flex-wrap: wrap;
            }
            .hero-side-item {
                flex: 1;
                min-width: 120px;
                max-width: 180px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .brand-story-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .group-buy-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            :root {
                --font-hero: 2.4rem;
                --font-section: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-nav {
                display: flex;
            }
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 56px 0;
            }
            .hero-section {
                min-height: 70vh;
            }
            .hero-content-wrapper {
                padding: 60px 0 40px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .hero-side {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                gap: 10px;
            }
            .hero-side-item {
                min-width: 100px;
                max-width: 150px;
                padding: 12px 14px;
                font-size: 0.8rem;
            }
            .hero-side-item .side-label {
                font-size: 0.75rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.9rem;
                max-width: 100%;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-value {
                font-size: 1.8rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .service-card .card-cover {
                height: 180px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .comparison-table-wrap {
                margin: 0 -20px;
                border-radius: 0;
            }
            .comparison-table {
                min-width: 600px;
                font-size: 0.85rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 12px 14px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-recommend {
                border-radius: var(--radius-md);
            }
            .brand-story-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .group-buy-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form {
                padding: 28px 20px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            :root {
                --font-hero: 1.8rem;
                --font-section: 1.4rem;
                --font-body: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-side-item {
                min-width: 80px;
                max-width: 130px;
                padding: 10px 12px;
            }
            .hero-side-item .side-label {
                font-size: 0.7rem;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .cta-form {
                padding: 22px 16px;
                border-radius: var(--radius-md);
            }
            .review-summary .review-avg {
                font-size: 2.2rem;
            }
        }

        @media (min-width: 769px) {
            .mobile-nav,
            .mobile-menu-overlay,
            .mobile-menu-panel {
                display: none !important;
            }
        }