.titlestyle2425{ font-size: 9pt; color: #222222; text-decoration: none ;}

        /* 导航容器 - 全新class名 */
        .main-navigation {
            width: 100%;
            height: 40px;
            background: linear-gradient(to bottom, #4a90e2 0%, #e0f0ff 100%);
            display: flex;
            align-items: center;
            
            position: relative;
            overflow: hidden;}

        /* 顶部装饰线 */
        .main-navigation::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 20px;
            
            opacity: 0.7;}

        /* 导航菜单列表 */
        .nav-menu-list {
            list-style: none;
            display: flex;
            gap: 120px;}

        /* 导航菜单项 */
        .nav-menu-item {
            font-size: 28px;
            font-weight: 500;
            color: #2c3e50;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;}

        /* 导航分隔线 */
        .nav-menu-split {
            color: #2c3e50;
            font-size: 16px;
            user-select: none;}

        /* 鼠标悬停效果 */
        .nav-menu-item:hover {
            color: #1a73e8;
            transform: translateY(-2px);}

        /* 响应式适配 */
        @media (max-width: 768px) {
            .main-navigation {
                height: 80px;
                padding: 0 20px;}
            .nav-menu-item {
                font-size: 18px;}
            .nav-menu-split {
                font-size: 18px;}
            .nav-menu-list {
                gap: 20px;}
        }
.leaderfont1852{ font-family: 宋体; color: #333333; font-size: 9pt ;}
.querystyle1852{ border-right: #878787 1px solid; border-top: #878787 1px solid; padding-left: 18px; font-size: 10pt; background-image: url(/system/resource/images/research/seach_bg.gif); border-left: #878787 1px solid; color: #222222; padding-top: 3px; border-bottom: #878787 1px solid; background-repeat: no-repeat; font-family: 宋体; position: relative ;}