/* CSS Reset & Variables */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --bg-base: #f8fafc;
            --bg-card: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --color-primary: #ff5722; /* 撞色艳色1：活力橙 */
            --color-secondary: #7c4dff; /* 撞色艳色2：电光紫 */
            --color-cyan: #00bcd4; /* 撞色艳色3：科技青 */
            --border-color: #e2e8f0;
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-base);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        /* Common Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 90px 0;
            position: relative;
            background-color: var(--bg-card);
        }

        section:nth-of-type(even) {
            background-color: var(--bg-base);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 12px;
            background: linear-gradient(135deg, rgba(255,87,34,0.1), rgba(124,77,255,0.1));
            color: var(--color-secondary);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 1px;
            border: 1px solid rgba(124,77,255,0.2);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Buttons & Badges */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 16px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), #ff7a59);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(255, 87, 34, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 87, 34, 0.6);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--color-secondary), #9d75ff);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(124, 77, 255, 0.4);
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 77, 255, 0.6);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-dark);
            border: 2px solid var(--text-dark);
        }

        .btn-outline:hover {
            background: var(--text-dark);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* Navigation Header */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 70px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* Hero首屏 - 撞色无图版 */
        .hero {
            padding-top: 140px;
            padding-bottom: 90px;
            background: linear-gradient(135deg, #f3f0ff 0%, #fff6f3 50%, #eefcff 100%);
            overflow: hidden;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: clamp(32px, 4vw, 48px);
            line-height: 1.2;
            font-weight: 900;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .hero-content h1 span.gradient-text-orange {
            background: linear-gradient(135deg, var(--color-primary), #ff2272);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content h1 span.gradient-text-purple {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .hero-btn-group {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-feature-tags {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 20px;
            background-color: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border-color);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            box-shadow: var(--shadow-sm);
        }

        .tag-pill::before {
            content: "✦";
            color: var(--color-primary);
            margin-right: 6px;
        }

        /* Hero 右侧数据展示面板 (无图片，利用精美色块卡片和文字排版撑起视觉) */
        .hero-visual-card {
            background-color: var(--bg-card);
            border-radius: 24px;
            padding: 35px;
            border: 4px solid var(--text-dark);
            box-shadow: 12px 12px 0px var(--text-dark);
            position: relative;
        }

        .hero-visual-card::after {
            content: "";
            position: absolute;
            top: -15px;
            right: -15px;
            width: 30px;
            height: 30px;
            background-color: var(--color-cyan);
            border: 3px solid var(--text-dark);
            border-radius: 50%;
        }

        .hero-card-header {
            border-bottom: 2px dashed var(--border-color);
            padding-bottom: 20px;
            margin-bottom: 20px;
        }

        .hero-card-title {
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-badge {
            background-color: var(--color-primary);
            color: #ffffff;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
            text-transform: uppercase;
        }

        .hero-stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .hero-stat-item {
            background-color: var(--bg-base);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .hero-stat-item:hover {
            border-color: var(--color-secondary);
            transform: scale(1.03);
        }

        .hero-stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1;
            margin-bottom: 5px;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 平台数据指标卡片 */
        .stats-bar-section {
            padding: 40px 0;
            background-color: var(--text-dark);
            color: #ffffff;
        }

        .stats-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stats-bar-item h3 {
            font-size: 36px;
            font-weight: 900;
            color: var(--color-primary);
            margin-bottom: 5px;
        }

        .stats-bar-item p {
            color: #94a3b8;
            font-size: 14px;
        }

        /* 关于我们与平台介绍 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .intro-feature-card {
            background-color: var(--bg-base);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--color-secondary);
        }

        .intro-feature-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .intro-feature-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 全平台AIGC服务 (模型聚合) */
        .models-marquee-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 40px;
        }

        .model-tags-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-badge {
            background-color: var(--bg-card);
            border: 2px solid var(--text-dark);
            color: var(--text-dark);
            padding: 8px 16px;
            font-weight: 700;
            font-size: 14px;
            border-radius: 8px;
            box-shadow: 4px 4px 0px var(--text-dark);
            transition: var(--transition);
        }

        .model-badge:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--color-primary);
            background-color: #fffaf0;
        }

        /* 一站式AIGC制作 (主打场景) */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .scene-card {
            background-color: var(--bg-card);
            border-radius: 16px;
            border: 2px solid var(--border-color);
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .scene-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .scene-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .scene-card:hover::before {
            opacity: 1;
        }

        .scene-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, rgba(255, 87, 34, 0.1), rgba(124, 77, 255, 0.1));
            color: var(--color-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .scene-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 全行业解决方案 */
        .solution-section {
            background-color: var(--bg-base);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: var(--bg-card);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-cyan);
        }

        .solution-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-title::before {
            content: "✔";
            color: var(--color-cyan);
            font-weight: bold;
        }

        .solution-list {
            list-style: none;
        }

        .solution-list li {
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
            border-bottom: 1px solid #f1f5f9;
        }

        /* 标准化AIGC流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 40px;
            position: relative;
        }

        .process-step {
            background-color: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 25px;
            position: relative;
            box-shadow: 6px 6px 0px var(--text-dark);
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 20px;
            background-color: var(--color-primary);
            color: #ffffff;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            border: 3px solid var(--text-dark);
        }

        .process-step h4 {
            margin-top: 10px;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 技术标准 */
        .tech-standards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .standard-card {
            background-color: var(--bg-base);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px dashed var(--border-color);
        }

        .standard-card h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 10px;
        }

        /* 对比评测 (9.9分) */
        .evaluation-box {
            background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
            color: #ffffff;
            border-radius: 24px;
            padding: 50px;
            margin-top: 40px;
            border: 4px solid var(--color-primary);
        }

        .eval-header-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 30px;
            margin-bottom: 30px;
        }

        .eval-score-box {
            background-color: rgba(255, 87, 34, 0.1);
            border: 2px solid var(--color-primary);
            border-radius: 16px;
            padding: 20px;
            text-align: center;
        }

        .eval-score-num {
            font-size: 64px;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1;
        }

        .eval-stars {
            color: #f59e0b;
            font-size: 24px;
            margin: 10px 0;
        }

        .eval-table-container {
            overflow-x: auto;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
        }

        .eval-table th {
            color: #94a3b8;
            font-weight: 700;
        }

        .eval-table td strong {
            color: var(--color-cyan);
        }

        .badge-advantage {
            background-color: rgba(0, 188, 212, 0.2);
            color: var(--color-cyan);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            border: 1px solid var(--color-cyan);
        }

        /* Token比价参考 */
        .token-price-section {
            background-color: var(--bg-base);
        }

        .price-table-wrap {
            overflow-x: auto;
            border-radius: 12px;
            border: 2px solid var(--text-dark);
            box-shadow: 6px 6px 0 var(--text-dark);
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
            background-color: var(--bg-card);
            text-align: left;
        }

        .price-table th, .price-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .price-table th {
            background-color: var(--text-dark);
            color: #ffffff;
            font-weight: 700;
        }

        .price-table tr:hover {
            background-color: #faf5ff;
        }

        /* 职业技术培训 / 人工智能培训 */
        .training-section {
            background-color: var(--bg-card);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }

        .training-card {
            background-color: var(--bg-base);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .training-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 6px 6px 0 var(--color-secondary);
        }

        .training-card h4 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .training-auth {
            font-size: 12px;
            color: var(--color-primary);
            font-weight: 700;
        }

        /* 客户案例中心 & 宣传素材图 */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 40px;
        }

        .case-main-card {
            background-color: var(--bg-base);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .case-img-container {
            width: 100%;
            height: 250px;
            overflow: hidden;
            position: relative;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 25px;
        }

        .case-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .case-meta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .case-banner-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .banner-item {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            background-color: var(--bg-base);
        }

        .banner-item img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            display: block;
        }

        .banner-title {
            padding: 10px 15px;
            font-size: 13px;
            font-weight: 700;
            text-align: center;
        }

        /* 客户评论卡片 (6条评论) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .review-card {
            background-color: var(--bg-card);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .review-card::before {
            content: "“";
            font-size: 60px;
            color: rgba(124, 77, 255, 0.1);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar-text {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .review-card:nth-child(even) .review-avatar-text {
            background-color: var(--color-secondary);
        }

        .review-info h5 {
            font-size: 14px;
            font-weight: 700;
        }

        .review-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 全国服务网络 & 加盟代理 */
        .network-section {
            background: linear-gradient(135deg, #f0fdf4 0%, #e6fffa 100%);
            border-top: 1px solid var(--border-color);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .agent-benefit-box {
            background-color: var(--bg-card);
            padding: 30px;
            border-radius: 16px;
            border: 3px solid var(--text-dark);
            box-shadow: 8px 8px 0 var(--text-dark);
        }

        .benefit-list {
            list-style: none;
            margin-top: 20px;
        }

        .benefit-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
        }

        .benefit-list li::before {
            content: "⚡";
            color: var(--color-primary);
        }

        /* 常见用户问题 FAQ (不少于10条) 与自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            margin-top: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 20px;
            color: var(--color-secondary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafafa;
        }

        .faq-answer-inner {
            padding: 18px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            border-top: 1px solid var(--border-color);
        }

        .troubleshoot-box {
            background-color: var(--bg-base);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .troubleshoot-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

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

        .troubleshoot-step {
            display: flex;
            gap: 15px;
        }

        .ts-num {
            background-color: var(--text-dark);
            color: #ffffff;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .ts-content h6 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .ts-content p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* AI术语百科 & 标签云 */
        .wiki-section {
            background-color: var(--bg-base);
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 30px;
        }

        .wiki-card {
            background-color: var(--bg-card);
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        .wiki-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .wiki-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 (最新文章) */
        .news-section {
            background-color: var(--bg-card);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }

        .news-card {
            background-color: var(--bg-base);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card:hover {
            border-color: var(--color-primary);
            background-color: #fffbf9;
            transform: translateY(-3px);
        }

        .news-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .news-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .news-card a {
            font-size: 13px;
            color: var(--color-primary);
            text-decoration: none;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 智能需求匹配 + 联系我们 (表单提交) */
        .contact-section {
            background-color: var(--bg-base);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: flex-start;
        }

        .form-card {
            background-color: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--text-dark);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background-color: var(--bg-base);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--color-primary);
            background-color: #ffffff;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .contact-info-panel {
            padding: 20px;
        }

        .contact-method-item {
            margin-bottom: 30px;
            display: flex;
            gap: 15px;
        }

        .contact-method-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(255, 87, 34, 0.1);
            color: var(--color-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .contact-method-details h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .contact-method-details p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 友情链接区 */
        .links-section {
            background-color: var(--bg-base);
            padding: 40px 0;
            border-top: 1px solid var(--border-color);
        }

        .links-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 30px;
        }

        .links-grid a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }

        .links-grid a:hover {
            color: var(--color-primary);
        }

        /* Footer 页脚 */
        footer {
            background-color: var(--text-dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }

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

        .footer-brand h4 {
            color: #ffffff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .footer-brand p {
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-links-col h5 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links-col ul {
            list-style: none;
        }

        .footer-links-col ul li {
            margin-bottom: 12px;
        }

        .footer-links-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links-col ul li a:hover {
            color: var(--color-primary);
        }

        .qrcode-wrap {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .qrcode-wrap img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            background-color: #ffffff;
            padding: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
        }

        .footer-bottom p {
            margin-bottom: 8px;
        }

        /* 浮动客服中心 */
        .floating-service {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--bg-card);
            border: 2px solid var(--text-dark);
            box-shadow: 4px 4px 0 var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--color-primary);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--text-dark);
        }

        /* 浮动客服二维码面板 */
        .float-panel {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 15px;
            box-shadow: var(--shadow-lg);
            display: none;
            width: 160px;
            text-align: center;
        }

        .float-btn:hover .float-panel {
            display: block;
        }

        .float-panel img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }

        .float-panel p {
            font-size: 12px;
            margin-top: 8px;
            font-weight: 700;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 50px;
            }
            .intro-grid, .contact-grid, .faq-grid {
                grid-template-columns: 1fr;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            header {
                height: 60px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--bg-card);
                flex-direction: column;
                padding: 30px;
                border-bottom: 2px solid var(--text-dark);
                box-shadow: var(--shadow-lg);
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .nav-actions {
                display: none;
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid, .reviews-grid, .process-flow, .cases-grid, .case-banner-list {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .network-grid {
                grid-template-columns: 1fr;
            }
        }