/* CSS Reset & Variable Design - 多彩涂鸦风格 */
        :root {
            --bg-color: #fbfbf9;
            --text-dark: #1a1a1a;
            --border-dark: #1a1a1a;
            
            /* 涂鸦风核心亮色 */
            --color-yellow: #ffe500;
            --color-pink: #ff2e93;
            --color-blue: #00e5ff;
            --color-green: #39ff14;
            --color-orange: #ff9900;
            --color-purple: #b92eff;
            
            --card-shadow: 6px 6px 0px #1a1a1a;
            --btn-shadow: 4px 4px 0px #1a1a1a;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            background-color: var(--bg-color);
            color: var(--text-dark);
            font-family: var(--font-family);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 基础排版容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
            position: relative;
        }

        /* 多彩涂鸦风格标题样式 */
        .section-title-wrap {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title {
            display: inline-block;
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            padding: 10px 20px;
            background: #ffffff;
            border: 3px solid var(--border-dark);
            box-shadow: 5px 5px 0px var(--border-dark);
            transform: rotate(-1deg);
            margin-bottom: 15px;
        }

        .section-title span {
            background: linear-gradient(90deg, var(--color-pink), var(--color-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: #555;
            max-width: 600px;
            margin: 10px auto 0;
        }

        /* 涂鸦风格通用卡片 */
        .graffiti-card {
            background: #ffffff;
            border: 3px solid var(--border-dark);
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            padding: 24px;
            transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .graffiti-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: 9px 9px 0px var(--border-dark);
        }

        /* 涂鸦风格通用按钮 */
        .btn-graffiti {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-dark);
            text-decoration: none;
            border: 3px solid var(--border-dark);
            border-radius: 8px;
            box-shadow: var(--btn-shadow);
            transition: all 0.15s ease;
            cursor: pointer;
        }

        .btn-graffiti:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--border-dark);
        }

        .btn-yellow { background-color: var(--color-yellow); }
        .btn-blue { background-color: var(--color-blue); }
        .btn-pink { background-color: var(--color-pink); color: #fff; }
        .btn-white { background-color: #ffffff; }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(253, 251, 247, 0.95);
            border-bottom: 3px solid var(--border-dark);
            padding: 15px 0;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo-area img {
            height: 45px;
            width: auto;
        }

        .brand-name {
            font-size: 1.5rem;
            font-weight: 900;
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }

        .nav-links a:hover {
            background-color: var(--color-yellow);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 3px solid var(--border-dark);
            border-radius: 6px;
            padding: 5px 10px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(0, 229, 255, 0.1) 0%, rgba(255, 46, 147, 0.1) 90%), #ffffff;
            border-bottom: 3px solid var(--border-dark);
            padding: 100px 0;
            text-align: center;
            position: relative;
        }

        /* 涂鸦风CSS几何饰品 */
        .doodle-shape {
            position: absolute;
            pointer-events: none;
            opacity: 0.8;
            font-weight: 900;
            font-size: 2rem;
        }
        .shape-1 { top: 15%; left: 8%; color: var(--color-pink); transform: rotate(-15deg); }
        .shape-2 { bottom: 15%; left: 10%; color: var(--color-blue); transform: rotate(20deg); }
        .shape-3 { top: 20%; right: 8%; color: var(--color-yellow); font-size: 3rem; }
        .shape-4 { bottom: 25%; right: 12%; color: var(--color-green); }

        .hero-tag {
            display: inline-block;
            background: var(--color-yellow);
            border: 2px solid var(--border-dark);
            padding: 6px 16px;
            font-weight: 800;
            border-radius: 30px;
            transform: rotate(-1.5deg);
            margin-bottom: 25px;
            font-size: 0.95rem;
        }

        .hero-title-h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 25px;
            letter-spacing: -1px;
        }

        .hero-title-h1 span {
            background: linear-gradient(120deg, var(--color-pink) 0%, var(--color-purple) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.1);
        }

        .hero-desc {
            font-size: 1.25rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: #333;
            font-weight: 500;
        }

        .hero-btn-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            text-align: center;
            background: #fff;
            padding: 30px 20px;
        }

        .stat-card .num {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 5px;
        }

        .stat-card:nth-child(1) .num { color: var(--color-pink); }
        .stat-card:nth-child(2) .num { color: var(--color-blue); }
        .stat-card:nth-child(3) .num { color: var(--color-purple); }
        .stat-card:nth-child(4) .num { color: var(--color-orange); }

        .stat-card .label {
            font-size: 0.95rem;
            font-weight: bold;
            color: #666;
        }

        /* 关于我们 & 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 20px;
            color: #444;
            font-size: 1.05rem;
        }

        .about-points {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .point-item {
            background: #fff;
            border: 2px solid var(--border-dark);
            padding: 12px 15px;
            border-radius: 8px;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .point-icon {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-green);
            border: 2px solid var(--border-dark);
        }

        .about-image-wrapper {
            position: relative;
        }

        .about-image-wrapper img {
            border: 3px solid var(--border-dark);
            border-radius: 16px;
            box-shadow: 8px 8px 0px var(--border-dark);
            width: 100%;
            height: auto;
            display: block;
        }

        .sticker-badge {
            position: absolute;
            background: var(--color-pink);
            color: white;
            padding: 10px 15px;
            font-weight: 900;
            border: 3px solid var(--border-dark);
            border-radius: 8px;
            box-shadow: 3px 3px 0 var(--border-dark);
            top: -20px;
            right: -10px;
            transform: rotate(10deg);
        }

        /* 服务能力卡片 (全平台AIGC服务) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card-top .icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
            padding: 10px;
            border: 2px solid var(--border-dark);
            border-radius: 10px;
            background: var(--color-yellow);
        }

        .service-card:nth-child(2) .icon { background: var(--color-blue); }
        .service-card:nth-child(3) .icon { background: var(--color-pink); }
        .service-card:nth-child(4) .icon { background: var(--color-green); }
        .service-card:nth-child(5) .icon { background: var(--color-orange); }
        .service-card:nth-child(6) .icon { background: var(--color-purple); }

        .service-card-top h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .service-card-top p {
            color: #555;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 15px;
        }

        .tag-cloud span {
            font-size: 0.75rem;
            padding: 3px 8px;
            border: 1px solid var(--border-dark);
            border-radius: 4px;
            font-weight: bold;
            background: #f5f5f5;
        }

        /* 模型聚合专区 - 多彩标签墙 */
        .model-aggregation {
            background: #fff;
            border: 3px solid var(--border-dark);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            margin-top: 40px;
        }

        .model-aggregation h4 {
            font-size: 1.3rem;
            font-weight: 900;
            margin-bottom: 25px;
            text-align: center;
        }

        .model-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            padding: 6px 14px;
            border: 2px solid var(--border-dark);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: bold;
            transition: all 0.15s;
        }

        .model-tag:nth-child(4n+1) { background-color: rgba(255, 46, 147, 0.15); }
        .model-tag:nth-child(4n+2) { background-color: rgba(0, 229, 255, 0.15); }
        .model-tag:nth-child(4n+3) { background-color: rgba(255, 229, 0, 0.15); }
        .model-tag:nth-child(4n+4) { background-color: rgba(57, 255, 20, 0.15); }

        .model-tag:hover {
            transform: translateY(-2px);
            box-shadow: 2px 2px 0 var(--border-dark);
        }

        /* 一站式AIGC制作场景与全行业解决方案 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-box {
            text-align: center;
            background: #fff;
        }

        .scenario-box .box-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .scenario-box h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .scenario-box p {
            font-size: 0.85rem;
            color: #666;
        }

        /* 解决方案时间轴 & 流程步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            position: relative;
            background: #fff;
        }

        .step-card::after {
            content: "➔";
            position: absolute;
            right: -25px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--border-dark);
            z-index: 2;
        }

        .step-card:last-child::after {
            display: none;
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 20px;
            background: var(--color-blue);
            border: 2px solid var(--border-dark);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            box-shadow: 2px 2px 0 var(--border-dark);
        }

        .step-card:nth-child(2) .step-num { background: var(--color-pink); }
        .step-card:nth-child(3) .step-num { background: var(--color-yellow); }
        .step-card:nth-child(4) .step-num { background: var(--color-green); }

        .step-content {
            margin-top: 15px;
        }

        .step-content h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: #555;
        }

        /* 技术标准 & 全国网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .network-card h3, .standard-card h3 {
            font-size: 1.5rem;
            font-weight: 900;
            margin-bottom: 20px;
            display: inline-block;
            background: var(--color-yellow);
            border: 2px solid var(--border-dark);
            padding: 4px 10px;
            border-radius: 4px;
        }

        .standard-card h3 {
            background: var(--color-blue);
        }

        .network-list, .standard-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .network-list li, .standard-list li {
            background: #fff;
            border: 2px solid var(--border-dark);
            border-radius: 8px;
            padding: 12px 18px;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .network-list li span:last-child, .standard-list li span:last-child {
            font-weight: normal;
            font-size: 0.85rem;
            color: #666;
            background: #eee;
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid var(--border-dark);
        }

        /* 对比评测板块 */
        .evaluation-section {
            background: linear-gradient(180deg, #ffffff 0%, rgba(255, 229, 0, 0.05) 100%);
            border-top: 3px solid var(--border-dark);
            border-bottom: 3px solid var(--border-dark);
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            background: #ffffff;
            border: 3px solid var(--border-dark);
            box-shadow: var(--card-shadow);
            padding: 30px;
            border-radius: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .rating-score {
            text-align: center;
        }

        .rating-score .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--color-pink);
            line-height: 1;
        }

        .rating-score .score-max {
            font-size: 1.2rem;
            color: #666;
            font-weight: 700;
        }

        .rating-stars {
            text-align: center;
        }

        .stars-row {
            font-size: 2.2rem;
            color: var(--color-yellow);
            text-shadow: 2px 2px 0px #1a1a1a;
            margin-bottom: 5px;
        }

        .rating-desc {
            font-size: 1.1rem;
            font-weight: 800;
            max-width: 450px;
            color: #333;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 3px solid var(--border-dark);
            border-radius: 16px;
            box-shadow: var(--card-shadow);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #ffffff;
            text-align: left;
            min-width: 700px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 2px solid var(--border-dark);
            border-right: 2px solid var(--border-dark);
            font-weight: 700;
        }

        .compare-table th:last-child, .compare-table td:last-child {
            border-right: none;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table th {
            background-color: var(--color-yellow);
            color: var(--text-dark);
            font-size: 1.05rem;
        }

        .compare-table tr:nth-child(even) {
            background-color: #fafaf7;
        }

        .compare-table .highlight-col {
            background-color: rgba(0, 229, 255, 0.08);
        }

        .compare-table th.highlight-col {
            background-color: var(--color-blue);
        }

        /* Token比价参考 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .price-card-header {
            margin-bottom: 20px;
        }

        .price-card-header h4 {
            font-size: 1.4rem;
            font-weight: 900;
            margin-bottom: 8px;
            display: inline-block;
            border-bottom: 3px solid var(--color-pink);
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 900;
            margin: 15px 0 5px;
            color: var(--color-pink);
        }

        .price-unit {
            font-size: 0.85rem;
            color: #666;
        }

        .price-features {
            list-style: none;
            margin-top: 15px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .price-features li {
            font-size: 0.9rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .price-features li::before {
            content: "✔";
            color: var(--color-green);
            font-weight: 900;
        }

        /* 案例展示中心 - 包含要求大图 */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .case-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-img-container {
            position: relative;
            border-bottom: 3px solid var(--border-dark);
            height: 250px;
            overflow: hidden;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--color-pink);
            color: #fff;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
            border: 2px solid var(--border-dark);
            font-size: 0.8rem;
        }

        .case-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-info h4 {
            font-size: 1.25rem;
            font-weight: 900;
            margin-bottom: 10px;
        }

        .case-info p {
            color: #555;
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 职业技术培训板块 */
        .training-wrapper {
            background: var(--color-blue);
            border: 3px solid var(--border-dark);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--card-shadow);
        }

        .training-intro {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 30px;
        }

        .training-intro h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 15px;
        }

        .training-intro p {
            font-weight: 700;
            color: #222;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .train-card {
            background: #fff;
            border: 2px solid var(--border-dark);
            border-radius: 8px;
            padding: 20px 15px;
            text-align: center;
            font-weight: 800;
            font-size: 0.95rem;
            box-shadow: 3px 3px 0 var(--border-dark);
            transition: all 0.2s;
        }

        .train-card:hover {
            transform: translateY(-3px);
            box-shadow: 5px 5px 0 var(--border-dark);
            background: var(--color-yellow);
        }

        .train-icon {
            font-size: 1.8rem;
            margin-bottom: 10px;
            display: block;
        }

        /* AI术语百科 & 帮助中心 */
        .encyclopedia-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .term-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--color-pink);
        }

        .term-card p {
            font-size: 0.85rem;
            color: #555;
        }

        /* 行业资讯 & 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }

        .news-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-list-wrap {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .news-item {
            background: #fff;
            border: 2px solid var(--border-dark);
            border-radius: 8px;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            transition: background-color 0.2s;
        }

        .news-item:hover {
            background-color: var(--color-yellow);
        }

        .news-item span:first-child {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 75%;
        }

        .news-item span:last-child {
            font-size: 0.8rem;
            background: #eee;
            border: 1px solid var(--border-dark);
            padding: 2px 6px;
            border-radius: 4px;
        }

        /* 用户评论区 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-size: 0.95rem;
            font-style: italic;
            color: #333;
            margin-bottom: 20px;
            font-weight: 500;
            position: relative;
        }

        .review-text::before {
            content: "“";
            font-size: 2.5rem;
            color: var(--color-pink);
            line-height: 0;
            vertical-align: -10px;
            margin-right: 5px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 2px dashed #eee;
            padding-top: 15px;
        }

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            border: 2px solid var(--border-dark);
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .review-card:nth-child(1) .review-avatar { background-color: var(--color-yellow); }
        .review-card:nth-child(2) .review-avatar { background-color: var(--color-blue); }
        .review-card:nth-child(3) .review-avatar { background-color: var(--color-pink); }
        .review-card:nth-child(4) .review-avatar { background-color: var(--color-green); }
        .review-card:nth-child(5) .review-avatar { background-color: var(--color-orange); }
        .review-card:nth-child(6) .review-avatar { background-color: var(--color-purple); }

        .review-meta h5 {
            font-size: 0.95rem;
            font-weight: 800;
        }

        .review-meta span {
            font-size: 0.75rem;
            color: #666;
        }

        /* 智能需求匹配与加盟表单 */
        .contact-section {
            background-color: var(--color-yellow);
            border-top: 3px solid var(--border-dark);
            border-bottom: 3px solid var(--border-dark);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-intro-card h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 15px;
        }

        .contact-intro-card p {
            font-weight: 700;
            margin-bottom: 25px;
        }

        .qr-area {
            display: flex;
            gap: 20px;
            align-items: center;
            background: #fff;
            border: 3px solid var(--border-dark);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-dark);
        }

        .qr-area img {
            width: 100px;
            height: 100px;
            border: 2px solid var(--border-dark);
            border-radius: 6px;
        }

        .qr-text h5 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .qr-text p {
            font-size: 0.85rem;
            color: #666;
            margin: 0;
            font-weight: normal;
        }

        .channel-list {
            margin-top: 25px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .channel-item {
            background: #fff;
            border: 2px solid var(--border-dark);
            padding: 10px 15px;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 800;
        }

        .form-card {
            background: #fff;
        }

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

        .form-group label {
            display: block;
            font-weight: 800;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            border: 3px solid var(--border-dark);
            border-radius: 8px;
            padding: 12px 15px;
            font-size: 0.95rem;
            font-weight: 700;
            background-color: #fff;
            outline: none;
        }

        .form-control:focus {
            background-color: rgba(0, 229, 255, 0.05);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: #fff;
            border: 3px solid var(--border-dark);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 4px 4px 0 var(--border-dark);
            transition: all 0.2s;
        }

        .faq-header {
            width: 100%;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 800;
            cursor: pointer;
            color: var(--text-dark);
        }

        .faq-icon {
            font-size: 1.3rem;
            transition: transform 0.2s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out;
            border-top: 0 solid var(--border-dark);
            background: #fafaf7;
        }

        .faq-content {
            padding: 20px;
            font-size: 0.95rem;
            color: #444;
            font-weight: 500;
        }

        .faq-item.active .faq-body {
            max-height: 500px;
            border-top: 3px solid var(--border-dark);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 帮助中心自助排查 */
        .troubleshoot-box {
            background: var(--color-green);
            border: 3px solid var(--border-dark);
            border-radius: 16px;
            padding: 30px;
            margin-top: 40px;
            box-shadow: var(--card-shadow);
        }

        .troubleshoot-box h4 {
            font-size: 1.3rem;
            font-weight: 900;
            margin-bottom: 15px;
        }

        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .troubleshoot-item {
            background: #fff;
            border: 2px solid var(--border-dark);
            border-radius: 8px;
            padding: 15px;
        }

        .troubleshoot-item h5 {
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--color-pink);
        }

        .troubleshoot-item p {
            font-size: 0.85rem;
            color: #555;
            margin: 0;
        }

        /* 友情链接区 */
        .friend-links-section {
            background-color: #fff;
            border-top: 3px solid var(--border-dark);
            padding: 30px 0;
            text-align: center;
        }

        .friend-links-title {
            font-size: 0.9rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: #666;
            text-transform: uppercase;
        }

        .friend-links-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px 25px;
        }

        .friend-links-container a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 700;
            font-size: 0.9rem;
            border-bottom: 2px dashed var(--border-dark);
            transition: color 0.2s;
        }

        .friend-links-container a:hover {
            color: var(--color-pink);
        }

        /* 页脚 */
        footer {
            background-color: var(--border-dark);
            color: #fff;
            padding: 50px 0 30px;
            font-weight: 500;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 1.4rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: var(--color-yellow);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: #ccc;
            margin-bottom: 10px;
        }

        .footer-links h5, .footer-contact h5 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: #fff;
            border-left: 4px solid var(--color-blue);
            padding-left: 10px;
        }

        .footer-links-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-list a {
            color: #bbb;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links-list a:hover {
            color: var(--color-blue);
        }

        .footer-contact p {
            font-size: 0.9rem;
            color: #ccc;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #888;
            flex-wrap: wrap;
            gap: 15px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 15px;
        }

        .footer-bottom-links a {
            color: #888;
            text-decoration: none;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 55px;
            height: 55px;
            background: #fff;
            border: 3px solid var(--border-dark);
            border-radius: 50%;
            box-shadow: 3px 3px 0 var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            cursor: pointer;
            text-decoration: none;
            color: var(--text-dark);
            transition: all 0.2s;
            position: relative;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0 var(--border-dark);
        }

        .float-btn-qr {
            background-color: var(--color-yellow);
        }

        .float-btn-top {
            background-color: var(--color-blue);
            display: none;
        }

        .qr-popover {
            position: absolute;
            right: 70px;
            bottom: 0;
            background: #fff;
            border: 3px solid var(--border-dark);
            border-radius: 8px;
            padding: 15px;
            box-shadow: var(--card-shadow);
            display: none;
            text-align: center;
            width: 140px;
        }

        .qr-popover img {
            width: 100px;
            height: 100px;
            border: 2px solid var(--border-dark);
            border-radius: 4px;
        }

        .qr-popover p {
            font-size: 0.75rem;
            font-weight: bold;
            margin-top: 6px;
            color: #333;
        }

        .float-btn-qr:hover .qr-popover {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .step-card::after {
                display: none;
            }
            .network-grid {
                grid-template-columns: 1fr;
            }
            .token-pricing-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .encyclopedia-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fbfbf9;
                border-bottom: 3px solid var(--border-dark);
                padding: 20px;
                gap: 15px;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-toggle {
                display: block;
            }

            .hero-title-h1 {
                font-size: 2.2rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                margin-top: -20px;
                padding: 0 10px;
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .troubleshoot-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

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