:root {
            --primary: #4f46e5;
            --primary-light: #818cf8;
            --secondary: #db2777;
            --secondary-light: #f472b6;
            --accent: #f59e0b;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --gray-800: #1e293b;
            --border-width: 3px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--dark);
            background-color: var(--light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

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

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

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

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 15px;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 6px 12px;
            border: 2px solid transparent;
            transition: all 0.2s ease;
        }

        .nav-menu a:hover {
            background-color: var(--accent);
            border-color: var(--dark);
            box-shadow: 2px 2px 0px var(--dark);
        }

        .nav-btn {
            display: inline-block;
            background: var(--primary);
            color: white !important;
            border: var(--border-width) solid var(--dark) !important;
            padding: 8px 16px !important;
            box-shadow: 3px 3px 0px var(--dark);
            text-transform: uppercase;
        }

        .nav-btn:hover {
            background: var(--secondary) !important;
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--dark);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 28px;
            height: 3px;
            background-color: var(--dark);
            transition: all 0.3s ease;
        }

        /* Hero首屏 - 撞色艳色风且无图 */
        .hero {
            background: linear-gradient(135deg, #e0e7ff 0%, #fce7f3 100%);
            border-bottom: var(--border-width) solid var(--dark);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(var(--dark) 1px, transparent 1px);
            background-size: 24px 24px;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 10;
        }

        .hero-tag {
            display: inline-block;
            background: var(--secondary);
            color: white;
            font-weight: 800;
            padding: 6px 16px;
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            transform: rotate(-2deg);
            margin-bottom: 25px;
            font-size: 1.1rem;
        }

        .hero-h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 25px;
            text-shadow: 3px 3px 0px var(--accent);
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-800);
            margin-bottom: 40px;
            font-weight: 500;
        }

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

        .btn-main {
            display: inline-block;
            padding: 16px 36px;
            font-size: 1.15rem;
            font-weight: 800;
            text-decoration: none;
            color: var(--dark);
            background: var(--accent);
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            transition: all 0.2s ease;
        }

        .btn-main:hover {
            transform: translate(-3px, -3px);
            box-shadow: 9px 9px 0px var(--dark);
            background: #fff;
        }

        .btn-sub {
            display: inline-block;
            padding: 16px 36px;
            font-size: 1.15rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            background: var(--primary);
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            transition: all 0.2s ease;
        }

        .btn-sub:hover {
            transform: translate(-3px, -3px);
            box-shadow: 9px 9px 0px var(--dark);
            background: var(--secondary);
        }

        /* 数据指标卡片 */
        .metrics-bar {
            background: var(--dark);
            color: white;
            padding: 40px 0;
            border-bottom: var(--border-width) solid var(--dark);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .metric-item h3 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 5px;
        }

        .metric-item p {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--gray-200);
        }

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

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

        .section-tag {
            display: inline-block;
            background: var(--gray-200);
            color: var(--dark);
            border: 2px solid var(--dark);
            padding: 4px 12px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-text {
            border: var(--border-width) solid var(--dark);
            background: white;
            padding: 40px;
            box-shadow: 8px 8px 0px var(--dark);
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--gray-600);
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 30px;
        }

        .feature-mini {
            background: var(--light);
            border: 2px solid var(--dark);
            padding: 15px;
            font-weight: 700;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .feature-mini::before {
            content: "✦";
            color: var(--secondary);
            font-size: 1.2rem;
        }

        .about-side {
            background: var(--accent);
            border: var(--border-width) solid var(--dark);
            padding: 40px;
            box-shadow: 8px 8px 0px var(--dark);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .about-side-title {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 15px;
        }

        .about-side ul {
            list-style: none;
        }

        .about-side li {
            font-weight: 700;
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }

        .about-side li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 900;
        }

        /* 全平台AIGC服务 */
        .badge-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .badge-item {
            background: var(--light);
            border: 2px solid var(--dark);
            padding: 8px 16px;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 4px;
            transition: all 0.15s ease;
        }

        .badge-item:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }

        /* 一站式AIGC制作与解决方案 */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .card-item {
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
            transition: all 0.2s ease;
        }

        .card-item:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0px var(--dark);
        }

        .card-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .card-title {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .card-desc {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        /* 标准化AIGC流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            position: relative;
        }

        .step-card {
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 25px 20px;
            box-shadow: 5px 5px 0px var(--dark);
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            right: 15px;
            background: var(--secondary);
            color: white;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            border: 2px solid var(--dark);
            border-radius: 50%;
            font-size: 1.2rem;
        }

        .step-title {
            font-size: 1.15rem;
            font-weight: 800;
            margin-top: 10px;
            margin-bottom: 10px;
        }

        .step-desc {
            font-size: 0.85rem;
            color: var(--gray-600);
        }

        /* 对比评测 */
        .compare-section {
            background: #fff;
        }

        .rating-badge {
            background: var(--accent);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 20px;
            display: inline-flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
        }

        .rating-score {
            font-size: 3rem;
            font-weight: 900;
            color: var(--dark);
        }

        .rating-stars {
            font-size: 1.5rem;
            color: var(--dark);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: var(--border-width) solid var(--dark);
            box-shadow: 8px 8px 0px var(--dark);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: white;
            min-width: 800px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 2px solid var(--dark);
            border-right: 2px solid var(--dark);
            font-weight: 600;
        }

        th {
            background: var(--primary);
            color: white;
            font-weight: 800;
            text-transform: uppercase;
        }

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

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

        tr:nth-child(even) {
            background-color: var(--light);
        }

        .tag-highlight {
            background: var(--secondary-light);
            color: var(--dark);
            padding: 2px 8px;
            border: 1px solid var(--dark);
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* Token比价参考 */
        .token-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .token-card {
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 25px;
            box-shadow: 5px 5px 0px var(--dark);
            text-align: center;
        }

        .token-card.best-value {
            background: var(--accent);
            transform: scale(1.03);
        }

        .token-model {
            font-size: 1.3rem;
            font-weight: 900;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            margin: 15px 0;
        }

        .best-value .token-price {
            color: var(--dark);
        }

        /* 客户案例中心 & 图片列表 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-item {
            background: white;
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-img-wrap {
            border-bottom: var(--border-width) solid var(--dark);
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .case-item:hover .case-img-wrap img {
            transform: scale(1.05);
        }

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

        .case-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-meta {
            font-size: 0.85rem;
            color: var(--gray-600);
            font-weight: 700;
        }

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

        .training-card {
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 20px;
            box-shadow: 4px 4px 0px var(--dark);
            text-align: center;
        }

        .training-icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        .training-title {
            font-weight: 800;
            font-size: 1rem;
            line-height: 1.4;
        }

        /* 常见用户问题 FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: var(--border-width) solid var(--dark);
            background: white;
            margin-bottom: 15px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 20px;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 900;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.2s ease-out;
            border-top: 0 solid var(--dark);
            background: var(--light);
        }

        .faq-item.active .faq-answer {
            border-top-width: 2px;
            max-height: 500px; /* arbitrary height to allow expansion */
        }

        .faq-answer-inner {
            padding: 20px;
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        /* 客户评论卡片 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-content {
            font-size: 0.95rem;
            color: var(--gray-600);
            margin-bottom: 20px;
            position: relative;
        }

        .testimonial-content::before {
            content: "“";
            font-size: 3rem;
            color: var(--primary-light);
            position: absolute;
            top: -20px;
            left: -10px;
            opacity: 0.3;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-info h4 {
            font-weight: 800;
            font-size: 1rem;
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

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

        .form-container {
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 40px;
            box-shadow: 8px 8px 0px var(--dark);
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .form-full {
            grid-column: span 2;
        }

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

        .form-group label {
            font-weight: 800;
            font-size: 0.95rem;
        }

        .form-group input, .form-group select, .form-group textarea {
            border: var(--border-width) solid var(--dark);
            padding: 12px;
            font-size: 1rem;
            background: var(--light);
            outline: none;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            background: white;
            border-color: var(--primary);
        }

        .btn-submit {
            background: var(--secondary);
            color: white;
            font-weight: 800;
            border: var(--border-width) solid var(--dark);
            padding: 14px 28px;
            cursor: pointer;
            box-shadow: 4px 4px 0px var(--dark);
            transition: all 0.15s ease;
        }

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

        .contact-info-panel {
            background: var(--primary-light);
            border: var(--border-width) solid var(--dark);
            padding: 40px;
            box-shadow: 8px 8px 0px var(--dark);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .method-item {
            background: white;
            border: 2px solid var(--dark);
            padding: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
            box-shadow: 3px 3px 0px var(--dark);
        }

        .method-item strong {
            display: block;
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        .qr-area {
            text-align: center;
            background: white;
            border: var(--border-width) solid var(--dark);
            padding: 20px;
            box-shadow: 4px 4px 0px var(--dark);
            margin-top: 20px;
        }

        .qr-area img {
            max-width: 140px;
            height: auto;
            border: 1px solid var(--gray-200);
        }

        .qr-area p {
            font-weight: 800;
            margin-top: 10px;
            font-size: 0.9rem;
        }

        /* 资讯与友情链接 */
        .info-section {
            background: white;
        }

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

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

        .article-list li {
            border: 2px solid var(--dark);
            padding: 15px;
            background: var(--light);
            box-shadow: 3px 3px 0px var(--dark);
            transition: all 0.15s ease;
        }

        .article-list li:hover {
            transform: translateX(4px);
            background: #fff;
        }

        .article-list a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            display: block;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links a {
            text-decoration: none;
            color: var(--dark);
            background: var(--light);
            border: 2px solid var(--dark);
            padding: 8px 16px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 2px 2px 0px var(--dark);
            transition: all 0.15s ease;
        }

        .friend-links a:hover {
            background: var(--accent);
            transform: translate(-1px, -1px);
            box-shadow: 3px 3px 0px var(--dark);
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            background: var(--accent);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .floating-service:hover {
            transform: translateY(-4px);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .floating-service svg {
            width: 28px;
            height: 28px;
        }

        .floating-service span {
            font-size: 0.8rem;
            font-weight: 900;
        }

        /* 页脚 */
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-desc p {
            color: var(--gray-200);
            margin-top: 15px;
            max-width: 300px;
        }

        .footer-col h4 {
            color: var(--accent);
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background: var(--secondary);
        }

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

        .footer-col a {
            color: var(--gray-200);
            text-decoration: none;
            transition: color 0.15s ease;
        }

        .footer-col a:hover {
            color: var(--secondary-light);
        }

        .footer-bottom {
            border-top: 1px solid var(--gray-600);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .footer-bottom p {
            color: var(--gray-200);
        }

        .footer-bottom a {
            color: var(--accent);
            text-decoration: none;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .cards-grid, .case-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container, .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .token-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: white;
                border-bottom: var(--border-width) solid var(--dark);
                padding: 20px;
                box-shadow: 4px 4px 0px var(--dark);
                gap: 10px;
            }
            
            .nav-menu.show {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

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

            .about-grid, .contact-wrapper, .info-grid {
                grid-template-columns: 1fr;
            }

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

            .cards-grid, .case-grid, .testimonials-grid, .steps-container, .training-grid, .token-cards {
                grid-template-columns: 1fr;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .form-full {
                grid-column: span 1;
            }

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