/* roulang page: index */
:root {
            --color-primary: #3E2723;
            --color-primary-light: #5D4037;
            --color-accent: #D4A74A;
            --color-accent-hover: #B8922F;
            --color-accent-light: #F0E0B8;
            --color-bg: #FBF7F0;
            --color-bg-alt: #F5F3EE;
            --color-text: #2C2C2C;
            --color-text-light: #5A5A5A;
            --color-text-lighter: #8A8A8A;
            --color-card-bg: #FFFFFF;
            --color-border: #E8E3DA;
            --color-border-light: #F0EDE6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(62, 39, 35, 0.04);
            --shadow: 0 4px 16px rgba(62, 39, 35, 0.06);
            --shadow-md: 0 6px 24px rgba(62, 39, 35, 0.08);
            --shadow-lg: 0 12px 40px rgba(62, 39, 35, 0.10);
            --shadow-hover: 0 8px 28px rgba(62, 39, 35, 0.12);
            --transition-fast: 0.15s ease;
            --transition: 0.2s ease;
            --transition-slow: 0.3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Noto Sans SC", sans-serif;
            --section-padding: 100px;
            --section-padding-mobile: 60px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.8;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-family);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus,
        .button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input {
            font-family: var(--font-family);
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--color-primary);
            margin-top: 0;
            font-weight: 700;
            line-height: 1.35;
        }
        h1 {
            font-size: 2.25rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.75rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.375rem;
        }
        p {
            margin-top: 0;
            margin-bottom: 1.5em;
            color: var(--color-text-light);
        }

        .grid-container {
            max-width: var(--container-max);
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.75rem;
            background: var(--color-accent-light);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            max-width: 680px;
            line-height: 1.7;
        }

        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(251, 247, 240, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .site-header .grid-container {
            padding-top: 0;
            padding-bottom: 0;
        }
        .custom-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            width: 100%;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-primary);
        }
        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.4rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: block;
            padding: 0.55rem 1rem;
            color: var(--color-text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: var(--color-accent-light);
            text-decoration: none;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-nav-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.55rem 1.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 25px;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-nav-outline:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
            text-decoration: none;
        }
        .btn-nav-solid {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.55rem 1.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 25px;
            border: 2px solid var(--color-accent);
            color: #FFFFFF;
            background: var(--color-accent);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(212, 167, 74, 0.3);
        }
        .btn-nav-solid:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #FFFFFF;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(212, 167, 74, 0.4);
            transform: translateY(-1px);
        }
        .btn-nav-solid:active {
            transform: scale(0.97);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 1rem 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            z-index: 999;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.7rem 1rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-size: 1rem;
        }
        .mobile-menu a:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
        }
        .mobile-menu .mobile-cta-group {
            display: flex;
            gap: 10px;
            padding-top: 0.5rem;
        }
        .mobile-menu .btn-nav-outline,
        .mobile-menu .btn-nav-solid {
            flex: 1;
            text-align: center;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
        }

        @media (max-width: 840px) {
            .nav-links {
                display: none;
            }
            .nav-cta-group {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
        }

        /* ========== Hero 拼团转化 ========== */
        .hero-section {
            min-height: 82vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 60px;
            background: linear-gradient(175deg, #FBF7F0 0%, #F2ECE0 40%, #EDE6D6 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 167, 74, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(62, 39, 35, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 30px;
            padding: 0.4rem 1rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 1.25rem;
            box-shadow: var(--shadow-sm);
        }
        .hero-badge .dot-pulse {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #4CAF50;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        .hero-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--color-accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1.5rem;
            max-width: 520px;
        }
        .hero-group-info {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #FFFFFF;
            border-radius: var(--radius);
            padding: 0.7rem 1.2rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        .hero-group-info .group-count {
            background: var(--color-accent);
            color: #FFFFFF;
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }
        .hero-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 30px;
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(212, 167, 74, 0.35);
            white-space: nowrap;
        }
        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #FFFFFF;
            text-decoration: none;
            box-shadow: 0 6px 22px rgba(212, 167, 74, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary-lg:active {
            transform: scale(0.97);
        }
        .btn-secondary-lg {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 30px;
            background: #FFFFFF;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-secondary-lg:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
            text-decoration: none;
            border-color: var(--color-accent-hover);
            transform: translateY(-2px);
        }
        .btn-secondary-lg:active {
            transform: scale(0.97);
        }
        .hero-image-wrap {
            position: relative;
            z-index: 2;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #FFFFFF;
            border: 4px solid #FFFFFF;
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            display: block;
        }
        .hero-stats-row {
            display: flex;
            gap: 2rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-number {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--color-text-light);
        }

        @media (max-width: 840px) {
            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 50px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-btn-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-btn-group .btn-primary-lg,
            .hero-btn-group .btn-secondary-lg {
                width: 100%;
                text-align: center;
            }
            .hero-image-wrap {
                margin-top: 2rem;
            }
            .hero-stats-row {
                gap: 1.2rem;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-block-alt {
            background: var(--color-bg-alt);
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        @media (max-width: 640px) {
            .section-block,
            .section-block-alt {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
        }

        /* ========== 卡片系统 ========== */
        .card-custom {
            background: var(--color-card-bg);
            border-radius: var(--radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.4rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }
        .card-custom p {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0;
            flex-grow: 1;
        }
        .card-custom .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            margin-top: 1rem;
            text-decoration: none;
            transition: gap var(--transition-fast);
        }
        .card-custom .card-link:hover {
            gap: 0.6rem;
            text-decoration: none;
            color: var(--color-accent-hover);
        }

        /* ========== 活动亮点墙 ========== */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .activity-card {
            background: #FFFFFF;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .activity-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .activity-card-body {
            padding: 1.3rem 1.5rem 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .activity-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 0.25rem 0.7rem;
            border-radius: 15px;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }
        .activity-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }
        .activity-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin-bottom: 1rem;
            flex-grow: 1;
            line-height: 1.6;
        }
        .activity-card .btn-sm {
            align-self: flex-start;
            padding: 0.5rem 1.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 22px;
            background: var(--color-accent);
            color: #FFFFFF;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .activity-card .btn-sm:hover {
            background: var(--color-accent-hover);
            text-decoration: none;
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        @media (max-width: 840px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .activity-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 资讯区 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }
        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1rem 0;
            transition: background var(--transition-fast);
        }
        .news-list li:last-child {
            border-bottom: none;
        }
        .news-list li a {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            gap: 1rem;
            text-decoration: none;
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.98rem;
            line-height: 1.6;
            transition: color var(--transition-fast);
        }
        .news-list li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .news-list li a .news-date {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 400;
        }
        .news-list li a .news-title-text {
            flex: 1;
        }
        .news-sidebar {
            background: #FFFFFF;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
        }
        .news-sidebar h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--color-accent-light);
        }
        .news-sidebar .rec-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--color-border-light);
            text-decoration: none;
            color: var(--color-text);
            transition: color var(--transition-fast);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .news-sidebar .rec-item:last-child {
            border-bottom: none;
        }
        .news-sidebar .rec-item:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .news-sidebar .rec-item .rec-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        @media (max-width: 840px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-sidebar {
                order: -1;
            }
        }

        /* ========== 数据分析 KPI ========== */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kpi-card {
            background: #FFFFFF;
            border-radius: var(--radius);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .kpi-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .kpi-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }
        .kpi-number .kpi-accent {
            color: var(--color-accent);
        }
        .kpi-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .kpi-trend {
            font-size: 0.8rem;
            color: #4CAF50;
            font-weight: 600;
            margin-top: 0.4rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        @media (max-width: 840px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .kpi-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .kpi-card {
                padding: 1.2rem 1rem;
            }
        }

        /* ========== CTA 终极转化区 ========== */
        .cta-section {
            background: linear-gradient(160deg, #3E2723 0%, #4E342E 40%, #5D4037 100%);
            padding-top: 80px;
            padding-bottom: 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 167, 74, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .section-title {
            color: #FFFFFF;
            font-size: 2rem;
            position: relative;
            z-index: 2;
        }
        .cta-section .section-subtitle {
            color: rgba(255,255,255,0.75);
            position: relative;
            z-index: 2;
            max-width: 600px;
        }
        .cta-btn-wrap {
            position: relative;
            z-index: 2;
            margin-top: 1.5rem;
        }
        .btn-cta-xl {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 1rem 2.8rem;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 35px;
            background: var(--color-accent);
            color: #FFFFFF;
            border: 2px solid var(--color-accent);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            box-shadow: 0 6px 24px rgba(212, 167, 74, 0.4);
            letter-spacing: 0.02em;
        }
        .btn-cta-xl:hover {
            background: #E0B85A;
            border-color: #E0B85A;
            color: #FFFFFF;
            text-decoration: none;
            box-shadow: 0 8px 32px rgba(212, 167, 74, 0.55);
            transform: translateY(-3px);
        }
        .btn-cta-xl:active {
            transform: scale(0.96);
        }
        .cta-urgency {
            display: inline-block;
            margin-top: 1rem;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
            position: relative;
            z-index: 2;
        }
        @media (max-width: 640px) {
            .cta-section .section-title {
                font-size: 1.5rem;
            }
            .btn-cta-xl {
                padding: 0.85rem 2rem;
                font-size: 1rem;
                width: 80%;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #2C1F1A;
            color: rgba(255,255,255,0.7);
            padding-top: 60px;
            padding-bottom: 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand i {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 0.5rem;
        }
        .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: rgba(255,255,255,0.6);
            font-size: 1rem;
            transition: all var(--transition);
            text-decoration: none;
        }
        .footer-social a:hover {
            background: var(--color-accent);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        @media (max-width: 840px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== 分隔装饰 ========== */
        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0.5rem 0 1.5rem;
        }
        .text-center .divider-accent {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 640px) {
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.4rem; }
            h3 { font-size: 1.15rem; }
            .section-title { font-size: 1.4rem; }
            .section-subtitle { font-size: 0.93rem; }
            .card-custom { padding: 1.3rem; }
            .hero-title { font-size: 1.5rem; }
        }

        @media (max-width: 1024px) and (min-width: 841px) {
            .hero-title { font-size: 2rem; }
        }