* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "思源宋体", "微软雅黑", SimSun, serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            /* 全站通用背景 */
            background: url(../image/chao.jpg) center top/cover no-repeat;
            background-attachment: fixed;
            padding-top: 70px;
            color: #333;
        }

        /* ========== 顶部固定导航（全站统一） ========== */
         header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 999;
        }

        .logo {
            color: #f9e79f;
            font-size: 4.2rem;
            font-family: "华文行楷", "书法体", serif;
            letter-spacing: 3px;
        }

        /* 导航菜单基础样式 */
        nav {
            position: relative;
        }

        nav > ul {
            list-style: none;
            display: flex;
            gap: 35px;
        }

        nav > ul > li {
            position: relative;
        }

        nav > ul > li > a {
            color: #f9e79f;
            text-decoration: none;
            font-size: 1.5rem;
            transition: 0.3s;
            padding: 8px 0;
            display: block;
            font-family: "华文行楷", "书法体", serif;
        }

        nav > ul > li > a:hover {
            color: #d4af37;
        }

        /* 下拉菜单 */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(255,255,255,0.95);
            list-style: none;
            min-width: 180px;
            display: none;
            border-radius: 12px;
            padding: 15px 0;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .dropdown li a {
            display: block;
            padding: 12px 20px;
            color: #8B1A1A;
            font-size: 1.3rem;
            text-decoration: none;
            text-align: center;
            font-weight: bold;
            transition: 0.3s;
            font-family: "华文行楷", "书法体", serif;
        }

        .dropdown li a:hover {
            background: #a8201a;
            color: #fff;
        }

        nav > ul > li:hover .dropdown {
            display: block;
        }

        /* ========== 页面头部横幅（新样式：渐变边框标题区） ========== */
        .page-banner {
            max-width: 1200px;
            margin: 40px auto;
            padding: 40px;
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            border: 1px solid rgba(212, 175, 55, 0.3);
        }
        .page-banner h1 {
            font-size: 3rem;
            color: #a8201a;
            font-family: "华文行楷", serif;
            margin-bottom: 16px;
            text-shadow: 2px 2px 4px rgba(0,0,0.2);
        }
        .page-banner p {
            font-size: 1.1rem;
            color: #444;
            line-height: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        /* ========== 顶部选项卡导航（核心区分样式：横向标签栏） ========== */
        .tab-wrap {
            max-width: 1200px;
            margin: 0 auto 40px;
            display: flex;
            justify-content: center;
            gap: 10px;
        }
        .tab-item {
            padding: 14px 32px;
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-radius: 8px 8px 0 0;
            cursor: pointer;
            font-size: 1.1rem;
            font-family: "华文行楷", serif;
            transition: 0.3s;
        }
        .tab-item:hover {
            background: rgba(168, 32, 26, 0.4);
        }
        .tab-item.active {
            background: #a8201a;
            color: #D4AF37;
            border-bottom: 3px solid #D4AF37;
        }

        /* ========== 主内容容器 ========== */
        .main-container {
            max-width: 1200px;
            margin: 0 auto 60px;
            background: rgba(255, 255, 255, 0.92);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 6px 20px rgba(0,0,0.15);
        }

        /* 顶部地图大图区 */
        .map-box {
            width: 100%;
            height: 380px;
            border-radius: 12px;
            border: 2px dashed #D4AF37;
            background: rgba(240,240,240,0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #777;
            margin-bottom: 35px;
        }

        /* 标题样式 */
        .content-h2 {
            font-size: 2.2rem;
            color: #a8201a;
            font-family: "华文行楷", serif;
            text-align: center;
            margin-bottom: 25px;
            padding-bottom: 12px;
            border-bottom: 1px solid #D4AF37;
        }

        /* 正文文本 */
        .content-text {
            font-size: 1.1rem;
            color: #444;
            line-height: 2;
            text-indent: 2em;
            margin-bottom: 40px;
        }

        /* 数据小卡片组（底部统计卡片） */
        .data-card-group {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            padding: 25px 15px;
            background: rgba(168, 32, 26, 0.12);
            border-radius: 10px;
            text-align: center;
            transition: 0.3s;
        }
        .data-card:hover {
            transform: translateY(-6px);
            background: rgba(168, 32, 26, 0.2);
        }
        .data-num {
            font-size: 2.4rem;
            color: #a8201a;
            font-weight: bold;
            margin-bottom: 8px;
        }
        .data-name {
            font-size: 1rem;
            color: #555;
        }

        /* 返回首页按钮 */
        .back-btn {
            display: block;
            width: 160px;
            margin: 0 auto 50px;
            padding: 12px;
            text-align: center;
            background: #a8201a;
            color: #fff;
            text-decoration: none;
            border-radius: 30px;
            font-family: "华文行楷", serif;
            transition: 0.3s;
        }
        .back-btn:hover {
            background: #871714;
            transform: translateY(-3px);
        }

        /* 页脚 */
        footer {
            text-align: center;
            padding: 30px;
            background: #EAE2D5;
            color: #BFA07A;
            font-family: "华文行楷", "书法体", serif;
            font-size: 9px;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .page-banner h1 { font-size: 2.2rem; }
            .tab-wrap { flex-wrap: wrap; }
            .tab-item { padding: 10px 20px; }
            .data-card-group { grid-template-columns: repeat(2, 1fr); }
            .map-box { height: 260px; }
            .nav-menu { gap: 15px; }
            .nav-menu li a { font-size: 0.9rem; }
            .logo-text { font-size: 1.2rem; }
            .logo-img { width: 36px; height: 36px; }
        }