:root {
            --primary: #10B981;
            --primary-hover: #059669;
            --primary-light: #ECFDF5;
            --dark: #111827;
            --text-main: #374151;
            --text-muted: #6B7280;
            --bg-light: #F9FAFB;
            --bg-white: #FFFFFF;
            --border: #E5E7EB;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

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

        .ai-page-logo {
            height: 40px;
            width: auto;
            object-fit: contain;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .brand-name span {
            color: var(--primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 25px;
            list-style: none;
        }

        .nav-item a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-item a:hover, .nav-item a.active {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .nav-btn {
            background-color: var(--primary);
            color: var(--bg-white) !important;
            padding: 8px 20px !important;
            border-radius: 8px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
        }

        .nav-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
        }

        /* Hero 首屏 (无图设计，采用网格/数据/大文字) */
        .hero-section {
            background: radial-gradient(circle at top right, var(--primary-light) 0%, var(--bg-white) 60%);
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(16, 185, 129, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            max-width: 900px;
            margin: 0 auto 20px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 35px;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-white);
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-main);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background-color: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

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

        .stat-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .section-light {
            background-color: var(--bg-white);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 40px;
            height: 4px;
            background-color: var(--primary);
            margin: 8px auto 0;
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .about-p {
            font-size: 16px;
            color: var(--text-main);
            line-height: 1.8;
        }

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

        .highlight-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--dark);
        }

        .highlight-icon {
            color: var(--primary);
            font-size: 20px;
        }

        .about-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 4px solid var(--bg-white);
        }

        .about-media img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--primary);
            transform: scaleY(0);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(16, 185, 129, 0.2);
        }

        .service-card:hover::before {
            transform: scaleY(1);
        }

        .service-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

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

        /* 模型聚合标签云 */
        .model-cloud-wrapper {
            margin-top: 40px;
            background-color: var(--bg-light);
            border: 1px dashed var(--border);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
        }

        .model-cloud-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .tags-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tag-pill {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            color: var(--text-main);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag-pill:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: scale(1.05);
        }

        /* 一站式AIGC制作 (场景展示) */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .scene-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .scene-img-holder {
            position: relative;
            background-color: var(--primary-light);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scene-img-holder img {
            width: 100%;
            height: auto;
            transition: var(--transition);
        }

        .scene-card:hover .scene-img-holder img {
            transform: scale(1.05);
        }

        .scene-content {
            padding: 24px;
        }

        .scene-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

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

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: var(--bg-light);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .solution-badge {
            align-self: flex-start;
            background-color: var(--primary);
            color: var(--bg-white);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .solution-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
        }

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

        .solution-features li {
            font-size: 14px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-features li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 全国服务网络 & 价格参考 */
        .pricing-section {
            background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border);
            background-color: var(--bg-white);
            margin-top: 30px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th {
            background-color: var(--bg-light);
            color: var(--dark);
            font-weight: 700;
            padding: 16px 20px;
            border-bottom: 2px solid var(--border);
            font-size: 14px;
        }

        td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-main);
        }

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

        tr:hover td {
            background-color: var(--primary-light);
        }

        /* 流程步骤与标准 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .process-step {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
        }

        .process-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 对比评测 */
        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 20px;
        }

        .review-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--dark);
        }

        .review-score-area {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .rating-stars {
            color: #FBBF24;
            font-size: 20px;
            letter-spacing: 2px;
        }

        .score-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 800;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .review-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            list-style: none;
        }

        .review-list li {
            font-size: 14px;
            color: var(--text-main);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .review-list li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .case-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-media {
            position: relative;
            background-color: var(--dark);
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .case-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .case-tag {
            align-self: flex-start;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
        }

        .case-summary {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .training-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .training-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .training-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

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

        .comment-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
            margin-bottom: 20px;
            font-style: italic;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 15px;
        }

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

        .user-info {
            display: flex;
            flex-direction: column;
        }

        .user-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        .user-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 智能需求匹配与联系我们 (表单) */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .contact-form-wrapper {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
        }

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

        .form-group {
            margin-bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }

        .form-control {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-main);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234B5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            padding-right: 40px;
        }

        .contact-info-wrapper {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .info-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
        }

        .info-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .info-list li {
            font-size: 14px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .qr-area {
            display: flex;
            align-items: center;
            gap: 20px;
            background-color: var(--primary-light);
            border: 1px solid rgba(16, 185, 129, 0.2);
            border-radius: 12px;
            padding: 20px;
        }

        .qr-image {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            background-color: var(--bg-white);
            padding: 5px;
            border: 1px solid var(--border);
        }

        .qr-desc {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .qr-desc-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
        }

        .qr-desc-text {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 帮助中心 & FAQ */
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-icon {
            font-size: 18px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--bg-light);
            border-top: 0px solid var(--border);
        }

        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
        }

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

        .faq-item.active .faq-answer {
            border-top-width: 1px;
        }

        /* 排查与百科 */
        .百科-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .encyclopedia-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
        }

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

        .encyclopedia-item {
            border-bottom: 1px solid var(--border);
            padding-bottom: 15px;
        }

        .encyclopedia-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .ency-term {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .ency-def {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 知识库资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .news-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex-grow: 1;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
        }

        .news-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: auto;
        }

        .news-link:hover {
            color: var(--primary-hover);
        }

        /* 浮动组件 */
        .floating-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 50%;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .float-btn-wechat .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            width: 180px;
            background-color: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 15px;
            box-shadow: var(--shadow);
            display: none;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .float-btn-wechat:hover .float-qr {
            display: flex;
        }

        .float-qr img {
            width: 100%;
            height: auto;
        }

        .float-qr span {
            font-size: 12px;
            color: var(--dark);
            font-weight: 600;
        }

        .back-to-top {
            display: none;
        }

        /* Footer */
        footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 60px 0 20px;
            border-top: 1px solid #1E293B;
        }

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

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .footer-brand-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--bg-white);
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-links-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--bg-white);
            margin-bottom: 20px;
        }

        .footer-links-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links-list a {
            font-size: 13px;
        }

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

        .footer-links-grid-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-links-grid-wrap a {
            background-color: #1E293B;
            color: #94A3B8;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            transition: var(--transition);
        }

        .footer-links-grid-wrap a:hover {
            background-color: var(--primary);
            color: var(--bg-white);
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 12px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border);
                padding: 20px;
                box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 28px;
            }
            .about-grid, .solutions-grid, .case-grid, .contact-grid, .百科-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .comments-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .process-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .form-group-row {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }