/* roulang page: index */
:root {
            --primary: #C67B4B;
            --primary-dark: #A05E2E;
            --primary-light: #E8A87C;
            --secondary: #2A5A3B;
            --secondary-light: #3D7A52;
            --bg: #F9F6F2;
            --card-bg: #FFFFFF;
            --dark: #2B1E16;
            --text: #2E2A25;
            --text-secondary: #5C5349;
            --text-light: #C4B9A9;
            --border: #E0D7CD;
            --radius-sm: 8px;
            --radius-md: 20px;
            --radius-lg: 24px;
            --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.15);
            --transition: 0.25s ease;
            --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font);
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 640px) {
            .section-padding {
                padding: 60px 0;
            }
        }
        /* 导航 */
        .site-header {
            background: #fff;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--primary);
            font-weight: 600;
        }
        .header-contact {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .header-contact i {
            color: var(--primary);
            font-size: 18px;
        }
        .nav-grid-wrap {
            border-top: 1px solid #f0ebe5;
            padding: 16px 0;
        }
        .nav-grid {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .nav-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 82px;
            height: 82px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
            color: var(--text-secondary);
            font-size: 13px;
            gap: 6px;
            cursor: pointer;
        }
        .nav-card i {
            font-size: 22px;
            color: var(--primary);
            transition: all var(--transition);
        }
        .nav-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-color: transparent;
        }
        .nav-card:hover i {
            color: #fff;
        }
        .nav-card.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .nav-card.active i {
            color: #fff;
        }
        @media (max-width: 640px) {
            .nav-grid {
                gap: 12px;
            }
            .nav-card {
                width: 72px;
                height: 72px;
                font-size: 12px;
            }
            .nav-card i {
                font-size: 18px;
            }
            .header-contact {
                display: none;
            }
            .logo-text {
                font-size: 18px;
            }
        }
        /* Hero */
        .hero {
            position: relative;
            background: url(' /assets/images/backpic/back-2.jpg') center center/cover no-repeat;
            padding: 110px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(46, 42, 37, 0.75) 0%, rgba(198, 123, 75, 0.55) 60%, rgba(232, 168, 124, 0.35) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 14px;
            letter-spacing: 2px;
            backdrop-filter: blur(4px);
            margin-bottom: 22px;
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 20px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
        }
        .hero-desc {
            font-size: 17px;
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.95);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .hero-progress-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }
        .progress-ring-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .progress-ring {
            width: 132px;
            height: 132px;
            border-radius: 50%;
            background: conic-gradient(var(--primary-light) 68%, rgba(255, 255, 255, 0.15) 0);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            position: relative;
        }
        .progress-ring::before {
            content: '';
            position: absolute;
            width: 112px;
            height: 112px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
        }
        .progress-ring-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
        }
        .progress-ring-inner .pct {
            font-size: 28px;
            font-weight: 700;
            line-height: 1;
        }
        .progress-ring-inner .label {
            font-size: 12px;
            opacity: 0.8;
            margin-top: 4px;
        }
        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-stat {
            text-align: center;
            padding: 10px 22px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            backdrop-filter: blur(4px);
            min-width: 100px;
        }
        .hero-stat .num {
            font-size: 24px;
            font-weight: 700;
            display: block;
        }
        .hero-stat .txt {
            font-size: 13px;
            opacity: 0.85;
        }
        .tier-cards {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .tier-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-md);
            padding: 20px 26px;
            width: 200px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .tier-card .tier-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .tier-card .tier-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .tier-card .tier-price {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-dark);
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 640px) {
            .hero {
                padding: 60px 0 50px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .tier-card {
                width: 160px;
                padding: 14px 16px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
        }
        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(198, 123, 75, 0.35);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 10px 28px rgba(198, 123, 75, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.8);
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-outline-dark:hover {
            background: rgba(198, 123, 75, 0.1);
            color: var(--primary-dark);
        }
        /* 痛点区 */
        .pain-section {
            position: relative;
            background: url('/assets/images/backpic/back-3.webp') center center/cover no-repeat fixed;
            padding: 90px 0;
            color: #fff;
        }
        .pain-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(43, 30, 22, 0.82), rgba(43, 30, 22, 0.65));
        }
        .pain-section .container {
            position: relative;
            z-index: 1;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 36px;
        }
        .pain-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }
        .pain-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }
        .pain-card .icon {
            font-size: 36px;
            margin-bottom: 14px;
            color: var(--primary-light);
        }
        .pain-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .pain-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 板块标题 */
        .section-title-wrap {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-title-wrap .tag {
            display: inline-block;
            background: rgba(198, 123, 75, 0.1);
            color: var(--primary-dark);
            padding: 4px 18px;
            border-radius: 20px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-title-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }
        .section-title-wrap .sub {
            max-width: 640px;
            margin: 12px auto 0;
            color: var(--text-secondary);
            font-size: 16px;
        }
        @media (max-width: 640px) {
            .section-title-wrap h2 {
                font-size: 24px;
            }
        }
        /* 解决方案 */
        .solution-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .solution-card::after {
            content: '';
            display: block;
            height: 6px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 0 0 6px 6px;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .solution-card:hover::after {
            opacity: 1;
        }
        .solution-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(198, 123, 75, 0.12), rgba(232, 168, 124, 0.16));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .solution-card .icon-wrap i {
            font-size: 28px;
            color: var(--primary);
        }
        .solution-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text);
        }
        .solution-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        @media (max-width: 768px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 数据徽章 */
        .stats-section {
            background: linear-gradient(135deg, var(--dark), #3a2b20);
            padding: 60px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-badge {
            background: linear-gradient(135deg, rgba(198, 123, 75, 0.85), rgba(232, 168, 124, 0.85));
            border-radius: var(--radius-md);
            padding: 26px 16px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .stat-badge:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: var(--shadow-hover);
        }
        .stat-badge .num {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
        }
        .stat-badge .label {
            font-size: 14px;
            margin-top: 6px;
            opacity: 0.95;
        }
        .stat-badge i {
            font-size: 22px;
            margin-bottom: 8px;
            display: block;
            opacity: 0.9;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 时段卡 */
        .time-section {
            padding: 80px 0;
            background: #fff;
        }
        .time-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .time-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid #f0ebe5;
        }
        .time-card:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .time-card .time-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .time-card .time-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .time-card .time-range {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
            background: rgba(198, 123, 75, 0.08);
            display: inline-block;
            padding: 2px 14px;
            border-radius: 20px;
        }
        .time-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        @media (max-width: 768px) {
            .time-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 资讯 */
        .news-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 36px;
        }
        .news-list {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 30px;
        }
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 8px;
            border-bottom: 1px solid #f5f0ea;
            transition: background var(--transition);
            border-radius: 10px;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(198, 123, 75, 0.04);
        }
        .news-item .news-title {
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: color var(--transition);
        }
        .news-item:hover .news-title {
            color: var(--primary);
        }
        .news-item .news-date {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            margin-left: 16px;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }
        .hot-tea-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            border-bottom: 1px solid #f5f0ea;
        }
        .hot-tea-item:last-child {
            border-bottom: none;
        }
        .hot-tea-item img {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            object-fit: cover;
        }
        .hot-tea-item .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }
        .hot-tea-item .desc {
            font-size: 12px;
            color: var(--text-light);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            background: var(--bg);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }
        .tag-item:hover {
            background: var(--primary);
            color: #fff;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        /* 客户证言 */
        .testimonial-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f9f3ee, #f0ebe5);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .testimonial-card .quote {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-left: 20px;
            border-left: 3px solid var(--primary);
        }
        .testimonial-card .customer {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 600;
        }
        .testimonial-card .customer-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }
        .testimonial-card .customer-tag {
            font-size: 12px;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 品牌故事 */
        .about-section {
            padding: 80px 0;
            background: #fff;
        }
        .about-content {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .about-content h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 24px;
        }
        .about-content p {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        @media (max-width: 640px) {
            .about-content h2 {
                font-size: 24px;
            }
            .about-content p {
                font-size: 15px;
            }
        }
        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            padding: 0;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(198, 123, 75, 0.05);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
            border-top: 1px solid #f0ebe5;
        }
        /* CTA */
        .cta-section {
            padding: 80px 0;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--dark) 0%, #3a2b20 50%, #4a3525 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(198, 123, 75, 0.2);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -20px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(232, 168, 124, 0.12);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-inner .lead {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            text-align: left;
        }
        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .cta-form .form-group label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-form .form-group input,
        .cta-form .form-group textarea {
            padding: 12px 18px;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition);
            outline: none;
            width: 100%;
        }
        .cta-form .form-group input:focus,
        .cta-form .form-group textarea:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 4px rgba(198, 123, 75, 0.15);
        }
        .cta-form .form-group input::placeholder,
        .cta-form .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form .form-group-full {
            grid-column: 1 / -1;
        }
        .cta-form .form-submit {
            grid-column: 1 / -1;
            text-align: center;
            margin-top: 8px;
        }
        .cta-form .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 16px 36px;
            font-size: 17px;
        }
        @media (max-width: 640px) {
            .cta-card {
                padding: 36px 22px;
                border-radius: 20px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .form-group-full,
            .cta-form .form-submit {
                grid-column: 1;
            }
        }
        /* 页脚 */
        .site-footer {
            background: var(--dark);
            color: var(--text-light);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--primary-light);
            margin-top: 3px;
        }
        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: all var(--transition);
            font-size: 16px;
        }
        .social-links a:hover {
            background: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 通用 */
        .text-center {
            text-align: center;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .reveal-animate {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal-animate.visible {
            opacity: 1;
            transform: translateY(0);
        }