:root {
            --ac83o-primary: #0052cc;
            --ac83o-accent: #00c853;
            --ac83o-text: #172b4d;
            --ac83o-text-light: #6b778c;
            --ac83o-bg: #f4f5f7;
            --ac83o-white: #ffffff;
            --ac83o-gradient: linear-gradient(135deg, #0052cc 0%, #00b8d9 100%);
            --ac83o-shadow: 0 8px 30px rgba(0,0,0,0.08);
            --ac83o-radius: 16px;
            --ac83o-max-width: 1320px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--ac83o-text);
            background-color: var(--ac83o-bg);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .ac83o-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 0 24px;
        }

        .ac83o-nav-container {
            max-width: var(--ac83o-max-width);
            margin: 0 auto;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .ac83o-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .ac83o-logo img {
            height: 32px;
            width: auto;
        }

        .ac83o-nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
            flex-wrap: wrap;
            min-width: 0;
        }

        .ac83o-nav-menu li a {
            text-decoration: none;
            color: var(--ac83o-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
            padding: 8px 4px;
            position: relative;
            word-break: keep-all;
        }

        .ac83o-nav-menu li a:hover {
            color: var(--ac83o-primary);
        }

        .ac83o-nav-menu li a.ac83o-active {
            color: var(--ac83o-primary);
        }

        .ac83o-nav-menu li a.ac83o-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--ac83o-primary);
            border-radius: 2px;
        }

        /* Hero 区块 - 独特非对称布局 */
        .ac83o-hero {
            padding: 160px 24px 80px;
            background: var(--ac83o-white);
            position: relative;
            overflow: hidden;
        }

        .ac83o-hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -5%;
            width: 40%;
            height: 80%;
            background: radial-gradient(circle, rgba(0,82,204,0.05) 0%, transparent 70%);
            z-index: 0;
        }

        .ac83o-hero-inner {
            max-width: var(--ac83o-max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .ac83o-hero-content {
            flex: 1;
            min-width: 320px;
            padding-right: 48px;
            word-break: break-word;
        }

        .ac83o-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--ac83o-text);
            word-break: keep-all;
        }

        .ac83o-hero-subtitle {
            font-size: clamp(1rem, 1.2vw + 0.5rem, 1.25rem);
            color: var(--ac83o-text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .ac83o-hero-visual {
            flex: 1;
            min-width: 320px;
            display: flex;
            justify-content: flex-end;
            position: relative;
        }

        /* 模拟表格视觉元素 */
        .ac83o-table-mockup {
            background: var(--ac83o-white);
            border-radius: var(--ac83o-radius);
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            padding: 24px;
            width: 100%;
            max-width: 600px;
            border: 1px solid rgba(0,0,0,0.05);
            transform: perspective(1000px) rotateY(-5deg);
        }

        /* 分类区块 */
        .ac83o-section {
            padding: 80px 24px;
            max-width: var(--ac83o-max-width);
            margin: 0 auto;
        }

        .ac83o-section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .ac83o-section-title {
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        /* 智联表格矩阵 - 网格布局 */
        .ac83o-grid-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .ac83o-card {
            background: var(--ac83o-white);
            border-radius: var(--ac83o-radius);
            padding: 40px;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            min-width: 0;
            height: 100%;
        }

        .ac83o-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--ac83o-shadow);
            border-color: rgba(0,82,204,0.1);
        }

        .ac83o-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0,82,204,0.08);
            color: var(--ac83o-primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            align-self: flex-start;
        }

        .ac83o-card-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--ac83o-text);
        }

        .ac83o-card-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .ac83o-card-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--ac83o-text-light);
        }

        .ac83o-card-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--ac83o-primary);
            font-weight: bold;
        }

        .ac83o-metric {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px dashed #eee;
            font-size: 0.85rem;
            color: var(--ac83o-accent);
            font-weight: 600;
        }

        /* 服务流程 - 独特横向步骤 */
        .ac83o-flow-container {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            margin-top: 48px;
        }

        .ac83o-flow-item {
            flex: 1;
            min-width: 240px;
            background: var(--ac83o-white);
            padding: 32px;
            border-radius: var(--ac83o-radius);
            text-align: center;
            position: relative;
        }

        .ac83o-flow-step {
            width: 40px;
            height: 40px;
            background: var(--ac83o-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-weight: bold;
        }

        /* 动态内容区块标记 */
        .ac83o-latest-templates {
            background: #fff;
            border-radius: 24px;
            padding: 48px;
            margin-top: 64px;
            box-shadow: var(--ac83o-shadow);
        }

        /* 页脚 */
        .ac83o-footer {
            background: var(--ac83o-text);
            color: #fff;
            padding: 80px 24px 40px;
            margin-top: 80px;
        }

        .ac83o-footer-inner {
            max-width: var(--ac83o-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
        }

        .ac83o-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .ac83o-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .ac83o-footer-text {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            max-width: 400px;
        }

        .ac83o-footer-copy {
            width: 100%;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        .ac83o-btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
        }

        .ac83o-btn-primary {
            background: var(--ac83o-gradient);
            color: #fff;
            box-shadow: 0 4px 15px rgba(0,82,204,0.3);
        }

        .ac83o-btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0,82,204,0.4);
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .ac83o-hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .ac83o-hero-content {
                padding-right: 0;
                margin-bottom: 48px;
            }
            .ac83o-hero-visual {
                justify-content: center;
            }
            .ac83o-table-mockup {
                transform: none;
            }
        }

        @media (max-width: 768px) {
            .ac83o-nav-menu {
                display: none; /* 简化移动端，实际项目中应有汉堡菜单 */
            }
            .ac83o-grid-matrix {
                grid-template-columns: 1fr;
            }
            .ac83o-section {
                padding: 48px 24px;
            }
        }