/* 头部导航栏样式 - 初始透明状态 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.4s ease;
            background-color: rgba(0, 92, 174, 0.2); /* 主色透明 */
            backdrop-filter: blur(2px);}
        
        /* 导航栏完全显示状态 */
        .header.visible {
            background-color: #005cae; /* 主色 #005cae */
            backdrop-filter: blur(0);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);}
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 20px;
            background-color: transparent;}
        
        .header.visible .header-top {
            background-color: #005cae;}
        
        .logo {
            display: flex;
            align-items: center;}
        
        .logo img {
            height: 70px;
            width: 500px;
            margin-right: 10px;}
        
        .logo h1 {
            font-size: 22px;
            font-weight: normal;
            color: rgba(255, 255, 255, 0.9);}
        
        .header.visible .logo h1 {
            color: white;}
        
        .search-links {
            display: flex;
            align-items: center;
            font-size: 12px;}
        
        .search-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            margin-left: 15px;
            font-size: 16px;
            }
        
        .header.visible .search-links a {
            color: white;
            text-decoration: none;
           }
        
        .search-links a:hover {
            text-decoration: underline;}
        
        .search-box {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 6px 10px;
            margin-right: 10px;}
        
        .header.visible .search-box {
            background-color: #fff;}
        
        .search-box input {
            border: none;
            outline: none;
            font-size: 15px;
            padding: 5px;
            background-color: transparent;
            color: rgba(255, 255, 255, 0.9);}
        
        .header.visible .search-box input {
            color: #333;}
        
        .search-box button {
            background: none;
            border: none;
            cursor: pointer;
            color: rgba(255, 255, 255, 0.8);}
        
        .header.visible .search-box button {
            color: #333;}
        
        /* 主导航菜单 */
        .main-nav {
            display: flex;
            justify-content: center;
            background-color: rgba(0, 0, 0, 0.1);
            /*border-top: 1px solid rgba(255, 255, 255, 0.1);*/
            padding: 0 20px;
            flex-wrap: wrap;
            background-color: transparent;
            }
        
        .header.visible .main-nav {
            background-color: #005cae;
            /*border-top: 1px solid rgba(255, 255, 255, 0.2);*/
             }
        
        .main-nav a {
            display: block;
            padding: 12px 25px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 18px;
            letter-spacing: 2px;
            white-space: nowrap;
            }
        
        .header.visible .main-nav a {
            color: white;}
        
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);}
        
        /* 主图区域 */
        .main-banner {
            width: 100%;
            height: 560px;
            background-image:  url(../images/tsg03.jpg);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            min-width: 1400px;
}
        
        /* 检索区域 */
        .search-area {
           max-width: 680px;
           width: 90%;
           padding: 20px;
           background-color: rgb(255 255 255 / 100%);
          /* background-color: rgb(0 92 174 / 42%);*/
           border-radius: 10px;
           margin-top: 120px;
           position: relative;
           z-index: 999;
           box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
            }
        
        .search-tabs {
            display: flex;
            background-color: #005cae;
            border-radius: 5px 5px 0 0;
            overflow: hidden;
            flex-wrap: wrap;}
        
        .search-tabs a {
            padding: 12px 20px;
            color: white;
            text-decoration: none;
            background-color: #005cae;
            border-right: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 14px;
            white-space: nowrap;}
        
        .search-tabs a:last-child {
            border-right: none;}
        
        .search-tabs a.active {
            background-color: #00488a;}
        
        .search-form {
            padding: 20px;
            background-color: rgba(51, 51, 51, 0.9);
            border-radius: 0 0 5px 5px;}
        
        .search-options {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 15px;
            gap: 15px;}
        
        .search-options label {
            color: white;
            font-size: 13px;
            display: flex;
            align-items: center;}
        
        .search-options input[type="checkbox"] {
            margin-right: 5px;}
        
        .more-options {
            margin-left: auto;
            color: white;
            cursor: pointer;}
        
        .search-input {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 5px;}
        
        .search-input select {
            padding: 10px;
            border: none;
            border-radius: 3px 0 0 3px;
            outline: none;
            font-size: 13px;
            background-color: white;}
        
        .search-input input {
            flex-grow: 1;
            padding: 10px;
            border: none;
            outline: none;
            font-size: 13px;
            min-width: 150px;}
        
        .search-buttons {
            display: flex;}
        
        .search-buttons button {
            padding: 10px 15px;
            border: none;
            cursor: pointer;
            font-size: 13px;}
        
        .search-buttons button:nth-child(1) {
            background-color: #ddd;
            color: #333;
            border-radius: 0 3px 3px 0;}
        
        .search-buttons button:nth-child(2) {
            background-color: #005cae;
            color: white;
            border-radius: 3px;
            margin-left: 5px;}
        
        .search-buttons button:nth-child(3) {
            background-color: #00488a;
            color: white;
            border-radius: 3px;
            margin-left: 5px;}
        
        .search-buttons button:nth-child(4) {
            background-color: #003668;
            color: white;
            border-radius: 3px;
            margin-left: 5px;}
        
        .search-info {
            margin-top: 10px;
            color: white;
            font-size: 12px;
            display: flex;
            align-items: center;}
        
        .search-info i {
            margin-right: 5px;
            font-size: 16px;}
        
        /* 内容区域 */
        .content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;}