/* 全局样式重置与基础优化 */
        *{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #0047AB;
            --primary-light: #E6F0FF;
            --accent-color: #D4AF37;
            --text-dark: #1A1A1A;
            --text-gray: #666666;
            --bg-light: #F8FAFC;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

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

        ul {
            list-style: none;
        }

        /* 主导航栏 - 改为透明叠加在Banner上 */
       /* 主导航栏 - 移除左侧padding，让Logo贴紧左上侧 */
.main-nav {
    background: transparent;
    /* 关键：移除左侧12%的padding，保留右侧12%保证菜单不贴边 */
    padding: 0 12% 0 0; 
    height: 75px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: none;
    position: absolute;
    top: 30px;
    left: 30px ;
    width: 100%;
    z-index: 1000;
}

/* Logo容器 - 完全贴紧左侧，无额外间距 */
.nav-logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0;
    /* 关键：移除所有内外边距，贴紧左上 */
    margin: 0;
    padding: 0;
}

/* 自定义logo图片样式 - 修复过大问题，改为合理尺寸 */
.logo-img {
    width: 750px;          
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;  
}

        .nav-menu {
            display: flex;
            gap: 50px;
            height: 100%;
        }

        .nav-menu li {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            /* 导航文字改为主题蓝色 */
            color: var(--primary-color);
            cursor: pointer;
            height: 100%;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        /* 子菜单通用样式 */
        .nav-menu .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background: var(--white);
            min-width: 180px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 12px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 9999;
        }

        .nav-menu li:hover .submenu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* 子菜单项样式（仅变蓝无下划线） */
        .nav-menu .submenu li {
            height: auto;
            padding: 8px 22px;
            display: block;
            font-size: 15px;
            /* 子菜单文字恢复灰色，保证可读性 */
            color: var(--text-gray);
            position: static;
        }

        .nav-menu .submenu li:hover {
            background: var(--primary-light);
            color: var(--primary-color);
        }

        /* 仅主菜单保留悬浮下划线 */
        .nav-menu > li::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary-color);
            transition: var(--transition);
        }

        .nav-menu > li:hover {
            color: var(--primary-color);
            opacity: 0.8;
        }

        .nav-menu > li:hover::after {
            width: 100%;
        }

        /* 贯通型全屏Banner - 调整顶部内边距，适配导航栏 */
        .banner {
            width: 100%;
            height: auto;
            min-height: 640px;
            background: url("../images/banner01.jpg") center/cover no-repeat;
            background-color: #f0f5ff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: var(--white);
            text-align: center;
            padding: 0 20px;
            position: relative;
            overflow: hidden;
            /* 顶部预留导航栏高度，避免内容被遮挡 */
            padding-top: 75px;
        }

        /* 大幅增强：顶部纯白色渐隐效果（高度从120px → 300px） */
        .banner::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 300px;
            background: linear-gradient(to bottom, var(--white) 0%, transparent 100%);
            z-index: 1;
        }

        /* 图片向下渐隐过渡（完美融合） */
        .banner::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }

        .banner h1 {
            font-size: 38px;
            margin-bottom: 10px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .banner p {
            font-size: 17px;
            opacity: 0.95;
        }

        /* 通用板块标题 */
        .section-title {
            font-size: 30px;
            margin: 0 0 35px;
            color: var(--text-dark);
            position: relative;
            padding-bottom: 15px;
            font-weight: 700;
            display: inline-block;
        }

        .section-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
            border-radius: 2px;
        }

        /* 核心内容容器 */
        .container {
            width: 76%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 50px 0;
        }

        /* 一级板块通用样式 */
        .section-card {
            background: var(--white);
            padding: 40px 45px 50px;
            border-radius: var(--radius);
            margin-bottom: 35px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .section-card:hover {
            box-shadow: var(--shadow-md);
        }

        /* 新闻动态模块 双列卡片式排版优化 */
        .news-list {
        }

        .news-item {
            display: flex;
            flex-direction: column;
            padding: 0;
            margin-bottom: 0;
            border-radius: var(--radius);
            transition: var(--transition);
            background: var(--bg-light);
            overflow: hidden;
           /* height: 100%;*/
        }
.news-list ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.news-list ul .news-item {
    width: 48%;
    margin-bottom: 20px;
}
        .news-item:hover {
            background: var(--white);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        /* 新闻图片容器 */
        .news-img {
            width: 100%;
            height: 400px;
            flex-shrink: 0;
            overflow: hidden;
        }

        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-item:hover .news-img img {
            transform: scale(1.08);
        }

        /* 新闻内容区 */
        .news-content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-date {
            color: var(--primary-color);
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .news-date::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--primary-color);
            border-radius: 50%;
            display: inline-block;
        }

        .news-item h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item:hover h4 {
            color: var(--primary-color);
        }

        .news-item p {
            color: var(--text-gray);
            font-size: 15px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 25px;
            color: var(--primary-color);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

        .more-btn::after {
           /* content: "→"; */
            transition: var(--transition);
        }

        .more-btn:hover {
            gap: 12px;
            color: var(--accent-color);
        }

        /* 通知公告列表样式 */
        .notice-item {
            padding: 18px 25px;
            margin-bottom: 12px;
            border-radius: 10px;
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid transparent;
        }

        .notice-item:hover {
            background: var(--white);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .notice-item h4 {
            font-weight: 500;
            font-size: 16px;
            color: var(--text-dark);
            flex: 1;
            transition: var(--transition);
        }

        .notice-item:hover h4 {
            color: var(--primary-color);
        }

        .notice-date {
            color: var(--text-gray);
            font-size: 14px;
            white-space: nowrap;
            margin-left: 20px;
            font-weight: 500;
            background: var(--white);
            padding: 6px 15px;
            border-radius: 20px;
        }

        /* 底部信息 */
      .footer {
            background: linear-gradient(180deg, #0D1B2A 0%, #0A1420 100%);
            color: rgba(255, 255, 255, 0.8);
            width: 100%;
            max-width: 100%;
            margin: 0;
            padding: 30px 0 20px;
            border-radius: 0;
            margin-top: 0;
        }

        .footer-flex {
            display: flex;
            justify-content: space-between;
            margin-bottom: 25px;
            gap: 40px;
            padding: 0 15%;
        }

        .footer-col {
            flex: 1;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 15px;
            font-size: 18px;
            font-weight: 600;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 74px;
            height: 3px;
            background: var(--accent-color);
            border-radius: 2px;
        }

        .footer-col p {
            margin-bottom: 6px;
            font-size: 14px;
            line-height: 1.6;
            transition: var(--transition);
        }

        .footer-col p:hover {
            color: var(--white);
            cursor: pointer;
        }

        .footer-copyright {
            text-align: center;
            padding-top: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding-left: 0;
            padding-right: 0;
        }

        /* 响应式适配（同步首页） */
        @media (max-width: 1200px) {
            .breadcrumb, .page-container { width: 88%; }
            .main-nav, .footer-flex { padding-left: 8%; padding-right: 8%; }
            .nav-menu { gap: 30px; }
            .page-container { flex-direction: column; }
            .sidebar { width: 100%; }
            .footer { 
                width: 100%;
                padding: 30px 0 20px; 
            }
        }

        @media (max-width: 768px) {
            .nav-menu { display: none; }
            .banner { 
                height: 200px;
                padding-top: 75px;
            }
            .banner h1 { font-size: 26px; }
            .main-content { padding: 25px; }
            .footer { 
                width: 100%;
                padding: 25px 0 15px; 
            }
            .footer-flex { 
                flex-direction: column; 
                gap: 25px; 
                padding: 0 15px;
                margin-bottom: 20px;
            }
            /* 移动端Logo调整 */
            .logo-img {
                width: 60px;
                height: 60px;
            }
        }