:root {
            --bg-color: #0b0716;
            --card-bg: #151126;
            --accent-pink: #ff007f;
            --accent-purple: #8a2be2;
            --accent-cyan: #00f0ff;
            --text-main: #f8f9fa;
            --text-muted: #a0aec0;
            --border-color: #2d254c;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(11, 7, 22, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
        }

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

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

        .ai-page-logo {
            height: 40px;
            display: block;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--accent-pink), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

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

        .nav-menu a:hover {
            color: var(--accent-pink);
        }

        .btn-nav-action {
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.9rem;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }

        .btn-nav-action:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* 移动端侧栏 */
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background-color: var(--bg-color);
            display: flex;
            flex-direction: column;
            align-items: center;
            padding-top: 50px;
            gap: 30px;
            transition: var(--transition);
            z-index: 999;
            border-top: 1px solid var(--border-color);
        }

        .mobile-nav.active {
            left: 0;
        }

        /* 首屏 Hero Section (无图片) */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at center, rgba(138, 43, 226, 0.15) 0%, rgba(11, 7, 22, 0) 70%);
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 10%;
            left: 5%;
            width: 150px;
            height: 150px;
            background: var(--accent-pink);
            filter: blur(130px);
            opacity: 0.3;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 10%;
            right: 5%;
            width: 180px;
            height: 180px;
            background: var(--accent-cyan);
            filter: blur(140px);
            opacity: 0.2;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--accent-pink);
            color: var(--accent-pink);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 25px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        h1.hero-title {
            font-size: 2.8rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 25px;
            background: linear-gradient(to right, #fff, #fbcfe8, var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            padding: 15px 35px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: bold;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(255, 0, 127, 0.8);
        }

        .btn-secondary {
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 13px 33px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: bold;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .btn-secondary:hover {
            background-color: rgba(0, 240, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
        }

        /* 章节公共样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

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

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #fff, var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .metric-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-pink);
            box-shadow: 0 10px 20px rgba(255, 0, 127, 0.1);
        }

        .metric-val {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

        .metric-label {
            font-size: 1rem;
            color: var(--text-muted);
        }

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

        .about-text h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--accent-pink);
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--text-muted);
        }

        .about-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-stat-item {
            background-color: rgba(255, 0, 127, 0.05);
            border: 1px dashed var(--accent-pink);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
        }

        /* AIGC 服务与制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

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

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
            box-shadow: 0 10px 25px rgba(138, 43, 226, 0.2);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--accent-pink);
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tags span {
            background-color: rgba(255, 255, 255, 0.05);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            color: var(--accent-cyan);
        }

        /* 模型标签云 */
        .tag-cloud-wrapper {
            background-color: rgba(21, 17, 38, 0.6);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-top: 50px;
        }

        .tag-cloud-title {
            text-align: center;
            margin-bottom: 25px;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .tag-cloud span {
            background-color: rgba(138, 43, 226, 0.1);
            border: 1px solid rgba(138, 43, 226, 0.3);
            color: var(--text-main);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .tag-cloud span:hover {
            background-color: var(--accent-pink);
            border-color: var(--accent-pink);
            transform: scale(1.05);
        }

        /* 行业解决方案与流程 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background-color: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
        }

        .solution-body {
            padding: 25px;
        }

        .solution-body h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--accent-cyan);
        }

        .solution-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .solution-features {
            font-size: 0.85rem;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        /* 标准化流程步骤与时间线 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

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

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .step-card h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

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

        /* 对比评测 */
        .evaluation-box {
            background-color: var(--card-bg);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 40px;
            margin-top: 30px;
        }

        .evaluation-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 20px;
        }

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

        .score-num {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--accent-pink);
            line-height: 1;
        }

        .score-details {
            font-size: 0.95rem;
        }

        .stars {
            color: #ffd700;
            font-size: 1.2rem;
            margin-bottom: 5px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

        .eval-table th, .eval-table td {
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            color: var(--accent-cyan);
            font-weight: 700;
        }

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

        /* 案例中心 & 媒体素材展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-pink);
        }

        .case-img-box {
            width: 100%;
            background-color: #0b0716;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .case-img-box img {
            width: 100%;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-body {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            background-color: rgba(255, 0, 127, 0.1);
            color: var(--accent-pink);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

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

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .token-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .token-name {
            font-weight: 700;
            font-size: 1.1rem;
        }

        .token-price {
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 1.25rem;
        }

        .token-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .token-ratio {
            font-size: 0.8rem;
            background-color: rgba(0, 240, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.1);
            padding: 5px 10px;
            border-radius: 4px;
            text-align: center;
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .train-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            overflow: hidden;
        }

        .train-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: bold;
        }

        .train-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            padding-right: 80px;
        }

        .train-features {
            margin: 20px 0;
            font-size: 0.9rem;
        }

        .train-features li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .train-features li::before {
            content: "✓";
            color: var(--accent-cyan);
            font-weight: bold;
        }

        /* 客户评价 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .review-text::before {
            content: "“";
            font-size: 3rem;
            color: rgba(255, 0, 127, 0.15);
            position: absolute;
            top: -20px;
            left: -15px;
            line-height: 1;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 15px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

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

        .author-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 & 自助排查 */
        .faq-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        @media (max-width: 768px) {
            .faq-wrapper {
                grid-template-columns: 1fr;
            }
        }

        .faq-group h3 {
            margin-bottom: 20px;
            color: var(--accent-cyan);
            font-size: 1.25rem;
            border-left: 3px solid var(--accent-cyan);
            padding-left: 10px;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            background-color: var(--card-bg);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: bold;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-question::after {
            content: "+";
            font-size: 1.2rem;
            color: var(--accent-pink);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: "−";
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: rgba(255, 255, 255, 0.02);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .faq-answer p {
            padding: 16px 20px;
        }

        /* AI 术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .glossary-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
        }

        .glossary-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--accent-pink);
        }

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

        /* 资讯/知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .news-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

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

        .news-date {
            font-size: 0.8rem;
            color: var(--accent-pink);
            margin-bottom: 10px;
        }

        .news-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .news-link {
            font-size: 0.9rem;
            color: var(--accent-cyan);
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-link::after {
            content: "→";
        }

        /* 智能需求匹配与加盟表单 */
        .form-section {
            background: radial-gradient(circle at top right, rgba(255, 0, 127, 0.08) 0%, rgba(11, 7, 22, 0) 60%);
        }

        .form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: flex-start;
        }

        @media (max-width: 768px) {
            .form-wrapper {
                grid-template-columns: 1fr;
            }
        }

        .form-info h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--accent-pink);
        }

        .form-info p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .contact-methods {
            margin-top: 30px;
        }

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

        .contact-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
        }

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

        .contact-item-text strong {
            font-size: 1rem;
        }

        .custom-form {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.4);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-pink);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.4);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.6);
        }

        /* 微信群与加盟代理展示区 */
        .agent-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            margin-top: 50px;
        }

        .agent-info {
            flex: 1;
            min-width: 300px;
        }

        .agent-info h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--accent-pink);
        }

        .agent-info p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .agent-qrs {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

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

        .qr-item img {
            width: 140px;
            height: 140px;
            border: 4px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 10px;
        }

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

        /* 页脚与友情链接 */
        footer {
            background-color: #06030c;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-area p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 15px;
        }

        .footer-links-group h4 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: var(--accent-cyan);
        }

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

        .footer-links-group ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-links-group ul li a:hover {
            color: var(--accent-pink);
        }

        .friend-links-area {
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-title {
            font-size: 0.9rem;
            color: var(--accent-cyan);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .friend-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 25px;
        }

        .friend-links-box a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 悬浮客服面板 */
        .floating-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
        }

        .kefu-trigger {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 5px 20px rgba(255, 0, 127, 0.5);
            animation: bounce 3s infinite;
        }

        .kefu-card {
            position: absolute;
            bottom: 75px;
            right: 0;
            width: 250px;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
        }

        .kefu-card.active {
            display: block;
        }

        .kefu-card img {
            width: 150px;
            height: 150px;
            margin: 0 auto 15px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            h1.hero-title {
                font-size: 2.2rem;
            }
            .about-content {
                grid-template-columns: 1fr;
            }
            .nav-menu {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
        }

        /* 动画关键帧 */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(255, 0, 127, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 0, 127, 0);
            }
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-10px);
            }
            60% {
                transform: translateY(-5px);
            }
        }