:root {
            --bg-color: #fbfaf5;
            --text-color: #1a1a1a;
            --primary-yellow: #ffde43;
            --primary-blue: #3be5ec;
            --primary-pink: #ff5e97;
            --primary-green: #66ff66;
            --border-color: #111111;
            --card-shadow: 6px 6px 0px #111111;
            --btn-shadow: 4px 4px 0px #111111;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

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

        /* 多彩涂鸦风格公用样式 */
        .sketch-border {
            border: 3px solid var(--border-color);
            border-radius: 12px 4px 12px 4px/4px 12px 4px 12px;
            background: #ffffff;
            box-shadow: var(--card-shadow);
            transition: all 0.2s ease;
        }

        .sketch-border:hover {
            transform: translate(-2px, -2px);
            box-shadow: 8px 8px 0px var(--border-color);
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 12px;
            font-weight: bold;
            text-transform: uppercase;
            border: 2px solid var(--border-color);
            border-radius: 4px;
            box-shadow: 2px 2px 0px var(--border-color);
            margin-bottom: 10px;
            font-size: 0.85rem;
        }

        .tag-yellow { background-color: var(--primary-yellow); }
        .tag-blue { background-color: var(--primary-blue); }
        .tag-pink { background-color: var(--primary-pink); }
        .tag-green { background-color: var(--primary-green); }

        .btn-graffiti {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-weight: 900;
            font-size: 1.1rem;
            text-decoration: none;
            color: var(--text-color);
            border: 3px solid var(--border-color);
            border-radius: 8px;
            box-shadow: var(--btn-shadow);
            transition: all 0.15s ease;
            cursor: pointer;
        }

        .btn-graffiti:hover {
            transform: translate(2px, 2px);
            box-shadow: 1px 1px 0px var(--border-color);
        }

        /* 顶部导航 */
        header {
            background-color: #ffffff;
            border-bottom: 4px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

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

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 700;
            padding: 6px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }

        .nav-menu a:hover {
            background-color: var(--primary-yellow);
        }

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

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

        /* Hero首屏 - 严禁图片 */
        .hero-section {
            padding: 80px 0 100px 0;
            background: radial-gradient(circle at 10% 20%, rgba(255, 222, 67, 0.15) 0%, rgba(59, 229, 236, 0.1) 90%);
            border-bottom: 4px solid var(--border-color);
            text-align: center;
            position: relative;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 20px;
            left: 5%;
            width: 80px;
            height: 80px;
            border: 3px dashed var(--primary-pink);
            border-radius: 50%;
            z-index: 1;
            opacity: 0.6;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            bottom: 40px;
            right: 5%;
            width: 120px;
            height: 40px;
            background: repeating-linear-gradient(45deg, var(--primary-blue), var(--primary-blue) 10px, transparent 10px, transparent 20px);
            z-index: 1;
            opacity: 0.4;
        }

        .hero-content {
            position: relative;
            z-index: 5;
            max-width: 900px;
            margin: 0 auto;
        }

        h1.hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-color);
        }

        h1.hero-title span {
            background: linear-gradient(120deg, var(--primary-yellow) 0%, var(--primary-pink) 100%);
            padding: 0 10px;
            border: 3px solid var(--border-color);
            display: inline-block;
            transform: rotate(-1deg);
            box-shadow: 4px 4px 0px var(--border-color);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            margin-bottom: 40px;
            font-weight: 500;
            color: #444;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .hero-btn-primary {
            background-color: var(--primary-pink);
        }

        .hero-btn-secondary {
            background-color: var(--primary-blue);
        }

        /* 数据指标卡片 */
        .data-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: #ffffff;
            padding: 20px;
            text-align: center;
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-color);
            margin-bottom: 5px;
            font-family: Impact, sans-serif;
        }

        /* 普通区块结构 */
        section {
            padding: 80px 0;
            border-bottom: 4px solid var(--border-color);
        }

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

        .section-title {
            display: inline-block;
            font-size: 2.2rem;
            font-weight: 900;
            background-color: var(--primary-yellow);
            padding: 8px 24px;
            border: 3px solid var(--border-color);
            box-shadow: 5px 5px 0px var(--border-color);
            transform: rotate(1deg);
            margin-bottom: 15px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: #555;
            font-weight: 500;
        }

        /* 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            padding: 30px;
            background: #ffffff;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border: 2px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 20px;
            box-shadow: 3px 3px 0px var(--border-color);
        }

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

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

        .process-step {
            padding: 25px;
            background: #ffffff;
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 20px;
            font-size: 2rem;
            font-weight: 900;
            background-color: var(--primary-pink);
            border: 2px solid var(--border-color);
            padding: 0 12px;
            border-radius: 6px;
            box-shadow: 2px 2px 0px var(--border-color);
        }

        /* 对比表格 */
        .table-responsive {
            overflow-x: auto;
            margin-top: 30px;
        }

        table.compare-table {
            width: 100%;
            border-collapse: collapse;
            border: 3px solid var(--border-color);
            background: #ffffff;
            box-shadow: var(--card-shadow);
        }

        table.compare-table th, table.compare-table td {
            border: 2px solid var(--border-color);
            padding: 15px;
            text-align: center;
            font-weight: 700;
        }

        table.compare-table th {
            background-color: var(--primary-blue);
        }

        table.compare-table tr.highlight-row {
            background-color: rgba(255, 222, 67, 0.15);
        }

        /* FAQ折叠面板 */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-item {
            background: #ffffff;
            border: 3px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: 4px 4px 0px var(--border-color);
        }

        .faq-question {
            padding: 20px;
            font-weight: 800;
            background-color: #ffffff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }

        .faq-question:hover {
            background-color: rgba(255, 222, 67, 0.1);
        }

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

        .faq-item.active .faq-question {
            border-bottom: 2px solid var(--border-color);
            background-color: var(--primary-yellow);
        }

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

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            background-color: #fafafa;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 300px;
        }

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

        .comment-card {
            padding: 25px;
            background: #ffffff;
            position: relative;
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .comment-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 2px solid var(--border-color);
            background-color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .comment-user-info h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .comment-user-info span {
            font-size: 0.8rem;
            color: #777;
        }

        /* 案例展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            overflow: hidden;
            background: #ffffff;
        }

        .case-img-wrap {
            border-bottom: 3px solid var(--border-color);
            position: relative;
            background-color: #eee;
        }

        .case-img-wrap img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        .case-info {
            padding: 20px;
        }

        /* 智能匹配表单 */
        .form-section {
            background-color: rgba(59, 229, 236, 0.1);
        }

        .form-container-wrap {
            max-width: 800px;
            margin: 0 auto;
            background: #ffffff;
            padding: 40px;
        }

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

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

        .form-label {
            display: block;
            font-weight: bold;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 3px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            outline: none;
            background-color: #fafafa;
        }

        .form-control:focus {
            background-color: #ffffff;
            border-color: var(--primary-pink);
        }

        /* 标签云、比价与技术标准 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        .price-list-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .price-card {
            background: #ffffff;
            padding: 25px;
            text-align: center;
        }

        .price-header {
            font-size: 1.3rem;
            font-weight: 800;
            background-color: var(--primary-yellow);
            padding: 5px 15px;
            border: 2px solid var(--border-color);
            display: inline-block;
            margin-bottom: 15px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-pink);
            margin: 15px 0;
        }

        /* 资讯列表 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .news-item {
            padding: 20px;
            background: #ffffff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-link {
            color: var(--text-color);
            font-weight: bold;
            text-decoration: none;
            margin-top: 15px;
            display: inline-block;
            align-self: flex-start;
            border-bottom: 2px solid var(--primary-pink);
        }

        /* 二维码展示 */
        .contact-details-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .qr-card-wrap {
            display: flex;
            gap: 20px;
            justify-content: center;
        }

        .qr-item {
            text-align: center;
            background: white;
            padding: 15px;
            max-width: 180px;
        }

        .qr-item img {
            width: 100%;
            border: 2px solid var(--border-color);
            margin-bottom: 10px;
        }

        /* 侧边悬浮 */
        .sticky-kf {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .kf-btn {
            width: 55px;
            height: 55px;
            border-radius: 50%;
            background-color: var(--primary-yellow);
            border: 3px solid var(--border-color);
            box-shadow: 3px 3px 0px var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            text-decoration: none;
            color: var(--text-color);
            position: relative;
        }

        .kf-btn:hover {
            transform: scale(1.1);
        }

        .kf-btn .qr-hover {
            display: none;
            position: absolute;
            right: 70px;
            bottom: 0;
            background: white;
            padding: 15px;
            border: 3px solid var(--border-color);
            border-radius: 8px;
            box-shadow: var(--card-shadow);
            width: 180px;
        }

        .kf-btn:hover .qr-hover {
            display: block;
        }

        .kf-btn .qr-hover img {
            width: 100%;
        }

        /* 页脚 */
        footer {
            background-color: #111111;
            color: #ffffff;
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-desc h3 {
            font-size: 1.8rem;
            color: var(--primary-yellow);
            margin-bottom: 15px;
        }

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

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

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

        .footer-links ul li a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links ul li a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .copyright-area {
            border-top: 1px solid #333;
            padding-top: 30px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }

        .friend-links-area {
            margin-top: 20px;
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 15px;
        }

        .friend-links-area a {
            color: #888;
            margin: 0 10px;
            text-decoration: none;
            font-size: 0.85rem;
        }

        .friend-links-area a:hover {
            color: #fff;
        }

        /* 移动端响应式 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 4px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: var(--card-shadow);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

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

            .services-grid, .process-flow, .comments-grid, .cases-grid, .price-list-wrap {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-grid, .news-grid, .contact-details-grid {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 576px) {
            h1.hero-title {
                font-size: 2.2rem;
            }

            .data-stats-grid, .services-grid, .process-flow, .comments-grid, .cases-grid, .price-list-wrap, .footer-grid {
                grid-template-columns: 1fr;
            }

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

            .form-group-full {
                grid-column: span 1;
            }
        }