/* roulang page: index */
:root {
            --color-primary: #1C1C1C;
            --color-accent: #C9A96E;
            --color-accent-hover: #A88A4E;
            --color-bg: #F9F6F0;
            --color-red: #D64045;
            --color-dark: #2A2A2A;
            --color-text: #1C1C1C;
            --color-text-secondary: #6B6B6B;
            --color-white: #FFFFFF;
            --color-border: #E0DCD5;
            --color-light-bg: #F4F4F4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.25s ease;
            --transition-base: 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --nav-height: 64px;
            --tabs-height: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: calc(var(--nav-height) + var(--tabs-height));
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--color-white);
        }
        .nav-top {
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border);
            background: var(--color-white);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-brand .brand-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--color-text-secondary);
            display: block;
            line-height: 1;
            letter-spacing: 0.02em;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search-wrap {
            position: relative;
        }
        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            transition: all var(--transition-fast);
            font-size: 1.1rem;
        }
        .nav-search-btn:hover {
            background: var(--color-light-bg);
            color: var(--color-accent);
        }
        .nav-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 8px 16px;
            transition: all var(--transition-base);
            pointer-events: none;
            background: var(--color-white);
            font-size: 0.9rem;
        }
        .nav-search-wrap.active .nav-search-input {
            width: 220px;
            opacity: 1;
            pointer-events: auto;
        }
        .nav-search-wrap.active .nav-search-btn {
            color: var(--color-accent);
        }
        .btn-nav-cta {
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-nav-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            box-shadow: 0 0 12px rgba(201, 169, 110, 0.35);
        }
        .nav-tabs-row {
            height: var(--tabs-height);
            background: var(--color-light-bg);
            display: flex;
            align-items: center;
            padding: 0 16px;
            overflow-x: auto;
            white-space: nowrap;
            gap: 8px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-bottom: 1px solid var(--color-border);
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            letter-spacing: 0.02em;
            cursor: pointer;
            background: transparent;
            border: 1px solid transparent;
        }
        .nav-tab:hover {
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.08);
        }
        .nav-tab.active {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            border-color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .nav-brand {
                font-size: 1rem;
            }
            .nav-brand .brand-sub {
                font-size: 0.6rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-search-wrap.active .nav-search-input {
                width: 160px;
            }
            .nav-tab {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .nav-top {
                padding: 0 12px;
            }
            .nav-brand .brand-sub {
                display: none;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .nav-actions {
                gap: 8px;
            }
            .nav-search-wrap.active .nav-search-input {
                width: 130px;
                font-size: 0.8rem;
            }
        }

        /* ========== Hero - 裂变邀请首屏 ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center / cover no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            margin-top: -1px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 28, 28, 0.85) 0%, rgba(28, 28, 28, 0.5) 50%, rgba(28, 28, 28, 0.3) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.25;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            animation: heroFadeUp 0.8s ease forwards;
        }
        .hero-text h1 .gold-underline {
            display: inline-block;
            position: relative;
        }
        .hero-text h1 .gold-underline::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: #D9D9D9;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
            animation: heroFadeUp 0.8s ease 0.15s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-reward-box {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(201, 169, 110, 0.3);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 24px;
            animation: heroFadeUp 0.8s ease 0.25s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-reward-box .reward-title {
            font-size: 0.95rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }
        .hero-reward-box .reward-desc {
            font-size: 0.9rem;
            color: #CCC;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .hero-progress-wrap {
            margin-bottom: 6px;
        }
        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #BBB;
            margin-bottom: 6px;
        }
        .hero-progress {
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
            overflow: hidden;
        }
        .hero-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), #D4B87A);
            border-radius: 4px;
            transition: width 1s ease;
            width: 66%;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            animation: heroFadeUp 0.8s ease 0.35s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .btn-primary-hero {
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-hero:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 20px rgba(214, 64, 69, 0.3);
            transform: translateY(-2px);
        }
        .btn-outline-hero {
            background: transparent;
            color: var(--color-white);
            border: 1.5px solid var(--color-white);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
        }
        .btn-outline-hero:hover {
            background: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            animation: heroFadeUp 0.8s ease 0.2s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-gift-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(201, 169, 110, 0.4);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            max-width: 320px;
            width: 100%;
        }
        .hero-gift-card .gift-icon {
            font-size: 3.5rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .hero-gift-card .gift-amount {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .hero-gift-card .gift-label {
            font-size: 0.9rem;
            color: #CCC;
            margin-top: 8px;
        }
        .hero-gift-card .gift-note {
            font-size: 0.8rem;
            color: #999;
            margin-top: 12px;
            line-height: 1.5;
        }

        @keyframes heroFadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 992px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-text h1 {
                font-size: 2.4rem;
            }
            .hero-visual {
                order: -1;
            }
            .hero-gift-card {
                max-width: 260px;
                padding: 24px 20px;
            }
            .hero-gift-card .gift-amount {
                font-size: 2.4rem;
            }
            .hero-section {
                min-height: auto;
            }
        }
        @media (max-width: 576px) {
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-btns {
                flex-direction: column;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-reward-box {
                padding: 14px 16px;
            }
            .hero-content {
                padding: 40px 0;
            }
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: 60px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .section-header .gold-line {
            display: block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-top: 8px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 30px;
            }
        }

        /* ========== 券面网格 ========== */
        .coupon-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .coupon-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border);
            cursor: pointer;
        }
        .coupon-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }
        .coupon-card .coupon-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-red);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .coupon-card .coupon-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .coupon-card .coupon-amount {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .coupon-card .coupon-amount span {
            font-size: 1rem;
            font-weight: 500;
        }
        .coupon-card .coupon-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 8px;
        }
        .coupon-card .coupon-condition {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            line-height: 1.4;
        }
        .coupon-card .coupon-btn {
            display: inline-block;
            margin-top: 14px;
            padding: 8px 22px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .coupon-card .coupon-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 10px rgba(201, 169, 110, 0.3);
        }

        @media (max-width: 992px) {
            .coupon-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .coupon-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .coupon-card {
                padding: 20px 16px;
            }
            .coupon-card .coupon-amount {
                font-size: 2.2rem;
            }
        }

        /* ========== 使用规则 ========== */
        .rules-section {
            background: var(--color-white);
        }
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .rule-card {
            padding: 28px 24px;
            border-radius: var(--radius-md);
            background: var(--color-bg);
            border-left: 4px solid var(--color-accent);
            transition: all var(--transition-fast);
        }
        .rule-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .rule-card .rule-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .rule-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .rule-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 768px) {
            .rules-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 资讯区 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }
        .news-list .news-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-list .news-item:hover {
            padding-left: 8px;
            border-bottom-color: var(--color-accent);
        }
        .news-list .news-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .news-list .news-item:hover h4 {
            color: var(--color-accent);
        }
        .news-list .news-item .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid var(--color-border);
        }
        .news-sidebar-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-sidebar-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .news-sidebar-card .card-body-sm {
            padding: 14px 16px;
        }
        .news-sidebar-card .card-body-sm h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-sidebar-card .card-body-sm .meta-sm {
            font-size: 0.78rem;
            color: var(--color-text-secondary);
        }
        .news-sidebar .sidebar-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            padding: 5px 14px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            font-size: 0.8rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .sidebar-tag:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-sidebar-card {
                flex: 1 1 45%;
                min-width: 200px;
            }
            .news-sidebar-card img {
                height: 130px;
            }
        }
        @media (max-width: 520px) {
            .news-sidebar-card {
                flex: 1 1 100%;
            }
        }

        /* ========== 去使用CTA ========== */
        .cta-action-section {
            background: var(--color-dark);
            padding: 56px 0;
            text-align: center;
        }
        .cta-action-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .cta-action-section p {
            font-size: 1rem;
            color: #CCC;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 16px 40px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 28px rgba(214, 64, 69, 0.35);
            transform: translateY(-3px);
        }
        @media (max-width: 576px) {
            .cta-action-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                padding: 14px 28px;
                font-size: 1rem;
                width: 90%;
                justify-content: center;
            }
        }

        /* ========== 价格对比 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-width: 600px;
        }
        .compare-table thead th {
            background: var(--color-primary);
            color: var(--color-white);
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            letter-spacing: 0.03em;
        }
        .compare-table thead th.highlight-col {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
        }
        .compare-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background: rgba(201, 169, 110, 0.04);
        }
        .compare-table .price-highlight {
            font-weight: 700;
            color: var(--color-red);
            font-size: 1.1rem;
        }
        .compare-table .price-normal {
            color: var(--color-text-secondary);
        }
        .compare-table .tag-save {
            display: inline-block;
            background: #E8F5E9;
            color: #2E7D32;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .compare-table thead th,
            .compare-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 卖点三连 ========== */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sp-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }
        .sp-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent);
        }
        .sp-card .sp-icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            transition: all var(--transition-fast);
        }
        .sp-card:hover .sp-icon-circle {
            background: var(--color-accent);
            color: var(--color-white);
        }
        .sp-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .sp-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 768px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .sp-card {
                padding: 24px 18px;
            }
        }

        /* ========== 精选分类 ========== */
        .category-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .cat-tag-card {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            min-width: 140px;
            justify-content: center;
        }
        .cat-tag-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            background: var(--color-bg);
        }
        .cat-tag-card .cat-icon {
            font-size: 1.4rem;
            color: var(--color-accent);
        }
        .cat-tag-card span {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        @media (max-width: 576px) {
            .cat-tag-card {
                padding: 12px 16px;
                min-width: 100px;
                flex: 1 1 40%;
            }
            .cat-tag-card span {
                font-size: 0.85rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-bg);
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-item.active-acc {
            border-left: 4px solid var(--color-accent);
            background: var(--color-white);
        }
        .accordion-custom .accordion-header {
            padding: 0;
        }
        .accordion-custom .accordion-btn {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .accordion-custom .accordion-btn:hover {
            color: var(--color-accent);
        }
        .accordion-custom .accordion-btn .acc-arrow {
            transition: transform var(--transition-base);
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            flex-shrink: 0;
        }
        .accordion-custom .accordion-item.active-acc .acc-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .accordion-custom .accordion-body {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .accordion-custom .accordion-item.active-acc .accordion-body {
            display: block;
        }
        .accordion-custom .accordion-item.active-acc .accordion-btn {
            color: var(--color-accent);
            font-weight: 700;
        }

        /* ========== 联系表单 ========== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .contact-form-wrap {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
        }
        .contact-form-wrap .form-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .contact-form-wrap .form-control {
            border-radius: var(--radius-sm);
            border: 1px solid #CCCCCC;
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: var(--color-bg);
        }
        .contact-form-wrap .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15);
            background: var(--color-white);
        }
        .contact-form-wrap .btn-submit {
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            width: 100%;
            border: none;
        }
        .contact-form-wrap .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.35);
        }
        .contact-info-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .contact-info-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            text-align: center;
        }
        .contact-info-card .info-icon {
            font-size: 1.6rem;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .contact-info-card h5 {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .contact-info-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
        }
        .contact-qr-placeholder {
            width: 120px;
            height: 120px;
            background: var(--color-light-bg);
            border-radius: var(--radius-sm);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            font-size: 0.8rem;
            border: 1px dashed var(--color-border);
        }
        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .contact-form-wrap {
                padding: 24px 18px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-dark);
            color: var(--color-white);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            color: var(--color-white);
        }
        .footer-col p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-social-icons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-social-icons .social-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition-fast);
            font-size: 0.9rem;
            cursor: pointer;
        }
        .footer-social-icons .social-dot:hover {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .footer-bottom {
            text-align: center;
            padding: 16px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== AOS 滚动动画 ========== */
        .aos-fade {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .aos-fade.visible {
            opacity: 1;
            transform: translateY(0);
        }