/* 基础重置 & 暗夜赛博霓虹风变量 */
        :root {
            --bg-base: #06040a;
            --bg-surface: #100b21;
            --bg-surface-hover: #1b1236;
            --color-primary: #ff007f; /* 霓虹粉 */
            --color-secondary: #9d00ff; /* 霓虹紫 */
            --color-accent: #00f0ff; /* 霓虹青 */
            --text-main: #f3efff;
            --text-muted: #8e83b3;
            --border-glow: rgba(255, 0, 127, 0.25);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-base);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-secondary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-primary);
        }

        /* 统一容器类 */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 网格与布局工具 */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

        @media (max-width: 992px) {
            .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-2 { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            border: none;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
            color: #fff;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }
        .btn-primary:hover {
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
        }

        /* Section 标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            background: linear-gradient(to right, #fff, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 顶部导航 */
        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(6, 4, 10, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(157, 0, 255, 0.2);
            padding: 15px 0;
        }

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

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

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

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 6px 12px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--color-primary);
            background: rgba(255, 0, 127, 0.08);
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-surface);
                padding: 20px;
                border-bottom: 2px solid var(--color-secondary);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
        }

        /* 1. Hero首屏 - 严禁使用图片 */
        .hero-section {
            padding: 120px 0 80px;
            background: radial-gradient(circle at 80% 20%, rgba(157, 0, 255, 0.15) 0%, transparent 60%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.1) 0%, transparent 50%);
            position: relative;
            text-align: center;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid rgba(255, 0, 127, 0.3);
            color: var(--color-primary);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 25px;
            font-weight: 600;
            letter-spacing: 1px;
        }

        h1.hero-title {
            font-size: 3.5rem;
            line-height: 1.25;
            font-weight: 800;
            background: linear-gradient(135deg, #ffffff 30%, var(--color-primary) 70%, var(--color-accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 25px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .hero-action-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            h1.hero-title { font-size: 2.3rem; }
            .hero-desc { font-size: 1.05rem; }
        }

        /* 2. 数据指标卡片 */
        .stats-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: rgba(26, 21, 53, 0.4);
            border: 1px solid rgba(157, 0, 255, 0.15);
            border-radius: 16px;
            padding: 30px;
            backdrop-filter: blur(10px);
        }

        .stat-card {
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 5px;
            background: linear-gradient(to right, #00f0ff, #9d00ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            .stats-wrapper { grid-template-columns: repeat(2, 1fr); gap: 20px; }
        }

        /* 通用区块间距 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(157, 0, 255, 0.05);
        }

        /* 3. 关于我们 + 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 20px;
            border-left: 4px solid var(--color-primary);
            padding-left: 15px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-features {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 30px;
        }

        .about-features li {
            position: relative;
            padding-left: 25px;
            font-size: 0.95rem;
        }

        .about-features li::before {
            content: "✓";
            color: var(--color-accent);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        .about-media {
            background: rgba(27, 18, 54, 0.6);
            border: 1px solid rgba(255, 0, 127, 0.15);
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .about-media-title {
            color: var(--color-primary);
            font-weight: 700;
            margin-bottom: 15px;
            text-align: center;
        }

        /* 4. 全平台AIGC服务 + 支持的AI平台 (标签云组件) */
        .service-card {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 0, 127, 0.1);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--color-primary);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.15);
        }

        .service-icon {
            font-size: 2.2rem;
            margin-bottom: 20px;
            color: var(--color-primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #fff;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .tag-cloud-wrapper {
            margin-top: 50px;
            background: rgba(16, 11, 33, 0.5);
            padding: 35px;
            border-radius: 16px;
            border: 1px solid rgba(157, 0, 255, 0.1);
        }

        .tag-cloud-title {
            text-align: center;
            font-size: 1.25rem;
            margin-bottom: 25px;
            color: var(--color-accent);
        }

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

        .tag-item {
            background: rgba(27, 18, 54, 0.8);
            border: 1px solid rgba(157, 0, 255, 0.25);
            color: var(--text-main);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        /* 5. 一站式AIGC制作 + 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(157, 0, 255, 0.15);
            transition: var(--transition);
        }

        .case-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 240, 255, 0.15);
        }

        .case-image-holder {
            width: 100%;
            height: 200px;
            background: #150f2b;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            background: rgba(0, 240, 255, 0.1);
            color: var(--color-accent);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 6. 全行业解决方案 + 标准化AIGC流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: var(--bg-surface);
            border: 1px solid rgba(157, 0, 255, 0.15);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            position: relative;
        }

        .process-step::after {
            content: "➔";
            position: absolute;
            right: -15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-accent);
            font-size: 1.5rem;
            z-index: 10;
        }

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

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 20px;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .process-step h4 {
            color: #fff;
            margin-bottom: 10px;
        }

        .process-step p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        @media (max-width: 992px) {
            .process-flow { grid-template-columns: repeat(2, 1fr); gap: 30px; }
            .process-step::after { display: none; }
        }
        @media (max-width: 576px) {
            .process-flow { grid-template-columns: 1fr; }
        }

        /* 7. 对比评测 - 9.9分推荐 */
        .rating-box {
            background: linear-gradient(135deg, #1b1236 0%, #0d091e 100%);
            border: 1px solid var(--color-primary);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .rating-num-container {
            text-align: center;
        }

        .rating-score {
            font-size: 4.5rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            text-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }

        .rating-stars {
            color: #ffd700;
            font-size: 1.5rem;
            margin: 10px 0;
        }

        .rating-label {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(157, 0, 255, 0.15);
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(157, 0, 255, 0.1);
        }

        .comparison-table th {
            background: rgba(157, 0, 255, 0.15);
            color: #fff;
            font-weight: 600;
        }

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

        .comparison-table td strong {
            color: var(--color-accent);
        }

        /* 8. 职业技术培训 & 人工智能培训 (时间线展示) */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 2px;
            background: var(--color-secondary);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--bg-base);
            border: 4px solid var(--color-accent);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--bg-surface);
            position: relative;
            border-radius: 12px;
            border: 1px solid rgba(157, 0, 255, 0.2);
        }

        .timeline-content h3 {
            color: var(--color-accent);
            margin-bottom: 10px;
            font-size: 1.15rem;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .timeline::after { left: 31px; }
            .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
            .timeline-item::after { left: 23px; }
            .left, .right { left: 0%; }
        }

        /* 9. Token比价参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .price-card {
            background: var(--bg-surface);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .price-card.popular {
            border-color: var(--color-primary);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.25);
        }

        .price-card.popular::before {
            content: "HOT";
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 700;
        }

        .price-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: #fff;
        }

        .price-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 20px;
        }

        .price-list {
            list-style: none;
            margin-bottom: 25px;
            text-align: left;
        }

        .price-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 10. AI术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background: rgba(16, 11, 33, 0.7);
            border: 1px solid rgba(157, 0, 255, 0.1);
            padding: 20px;
            border-radius: 8px;
        }

        .wiki-card h4 {
            color: var(--color-accent);
            margin-bottom: 10px;
            font-size: 1.05rem;
        }

        .wiki-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 11. FAQ常见问题 FAQ (折叠面板) */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid rgba(157, 0, 255, 0.15);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            color: #fff;
        }

        .faq-icon {
            transition: var(--transition);
            color: var(--color-primary);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(6, 4, 10, 0.4);
        }

        .faq-content {
            padding: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid rgba(157, 0, 255, 0.1);
        }

        .faq-item.active .faq-body {
            max-height: 500px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* 12. 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 0, 127, 0.1);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 15px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .author-info h5 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .author-info span {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        @media (max-width: 992px) {
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            .reviews-grid { grid-template-columns: 1fr; }
        }

        /* 13. 智能需求匹配与联系我们表单 */
        .form-section-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

        .form-container {
            background: var(--bg-surface);
            border: 1px solid rgba(157, 0, 255, 0.2);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            background: rgba(6, 4, 10, 0.6);
            border: 1px solid rgba(157, 0, 255, 0.3);
            border-radius: 8px;
            color: #fff;
            font-family: inherit;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        .contact-info-panel {
            background: rgba(16, 11, 33, 0.8);
            border: 1px solid rgba(255, 0, 127, 0.15);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-icon {
            color: var(--color-accent);
            font-size: 1.3rem;
            margin-top: 3px;
        }

        .contact-text h5 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .contact-text p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 2px solid rgba(157, 0, 255, 0.2);
            margin-bottom: 8px;
            background: white;
            padding: 4px;
        }

        .qr-item span {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .form-section-wrapper { grid-template-columns: 1fr; }
        }

        /* 14. 知识库 / 行业资讯 (最新文章及链接) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }

        .news-card {
            background: var(--bg-surface);
            border: 1px solid rgba(157, 0, 255, 0.15);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

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

        .news-card h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .news-card h4 a {
            color: #fff;
            text-decoration: none;
            transition: var(--transition);
        }

        .news-card h4 a:hover {
            color: var(--color-primary);
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            gap: 15px;
        }

        .news-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* 页脚规范 & 友情链接 */
        footer.site-footer {
            background: #090617;
            border-top: 1px solid rgba(157, 0, 255, 0.2);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .footer-logo-area img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-title {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        .friendship-links a {
            background: rgba(157, 0, 255, 0.1);
            color: var(--color-accent);
            text-decoration: none;
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .friendship-links a:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            text-align: center;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* 浮动客服入口 */
        .floating-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.4);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 20px rgba(255, 0, 127, 0.6);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        /* 微信二维码浮窗 */
        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-surface);
            border: 1px solid var(--color-primary);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
            width: 150px;
        }

        .qr-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .qr-popover span {
            font-size: 0.8rem;
            color: var(--text-main);
            display: block;
        }

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

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

        .back-to-top.visible {
            display: flex;
        }