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

body {
    font-family: "微软雅黑", "Microsoft YaHei", Arial, sans-serif;
    background: #f5f5f5;
}

/* ===== 导航栏通用 ===== */
.nav{
width:1180px;
margin:0 auto;}
.main-navbar {
    background: #0025cb;
    position: relative;
    z-index: 100;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    width: 100%;
}

.navbar-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}
.navbar-inner>a{
display:none;
}

.mobile-logo {
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    letter-spacing: 1px;
}

/* 汉堡按钮默认隐藏 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 26px;
    height: 22px;
    position: relative;
    outline: none;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
    border-radius: 1px;
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 10px;
}

.menu-toggle span:nth-child(3) {
    top: 20px;
}

.menu-toggle.active span:nth-child(1) {
    top: 10px;
    transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    top: 10px;
    transform: rotate(-45deg);
}

/* ===== 桌面端导航（>= 768px） ===== */
.nav-list {
    display: flex;
    list-style: none;
    height: 80px;
    align-items: center;
}

.nav-item {
    position: relative;
    width: 168px;
}

.nav-item>a {
    display: block;
    padding: 0 18px;
    color: #fff;
    font-size: 18px;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s;
    height: 80px;
    line-height:80px;
}

.nav-item>a:hover,
.nav-item.active>a {
    border-bottom: 3px solid #5cc3fe;
    color: #fff;
}

.arrow {
    font-size: 9px;
    margin-left: 2px;
    transition: transform 0.3s;
    display: inline-block;
}

.nav-item.open .arrow {
    transform: rotate(180deg);
}

.dropdown-panel {
    position: absolute;
    top: 80px;
    left: 0;
    min-width: 170px;
    background: #4a7bc8;
    display: none;
    z-index: 99;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.dropdown-list {
    list-style: none;
}

.dropdown-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.dropdown-list li:last-child {
    border-bottom: none;
}

.dropdown-list li a {
    display: block;
    padding: 0 20px;
    height: 38px;
    line-height: 38px;
    color: #fff;
    font-size: 13px;
    text-decoration: none;
    transition: background 0.2s, padding-left 0.2s;
}

.dropdown-list li a:hover {
    background: #003366;
    padding-left: 26px;
}

/* ===== 移动端导航（< 768px） ===== */
@media screen and (max-width: 767px) {
.nav{
width:100%;}
    .nav-item {
            padding: 0;
        }
    
        .main-navbar {
            height: auto;
        }
    .navbar-inner {
        padding: 0 16px;
        height: 50px;
    }
.navbar-inner>a{
display:block;
}

    .menu-toggle {
        display: block;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 50px;
        left: 0;
        right: 0;
        background: #003366;
        height: auto;
        flex-direction: column;
        padding: 8px 0;
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        max-height: calc(100vh - 50px);
        overflow-y: auto;
        margin-left: 0;
    }

    .nav-list.open {
        display: flex;
    }

    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-item>a {
        padding: 0 16px;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        line-height: 50px;
        height: 50px;
    }

    .nav-item>a:hover {
        border-bottom: 2px solid #5cc3fe;
    }

    /* 移动端下拉面板改为手风琴 */
    .dropdown-panel {
        position: static;
        display: none;
        width: 100%;
        background: #2a5a9a;
        box-shadow: none;
        border-radius: 0;
    }

    .dropdown-list li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .dropdown-list li a {
        padding: 0 30px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.9);
    }

    .dropdown-list li a:hover {
        background: #003366;
        padding-left: 36px;
    }

    .nav-item.open .dropdown-panel {
        display: block;
    }

    .nav-item.open .arrow {
        transform: rotate(180deg);
    }
}

/* ===== 占位内容 ===== */
.page-body {
    height: 400px;
    background: #fff;
    margin-top: 0;
    border: 1px solid #e0e0e0;
    border-top: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 14px;
    text-align: center;
    padding: 20px;
}<!--ecms sync check [sync_thread_id="3bcee7cc5a424330844ab778a62d31c1" sync_date="2026-07-22 09:47:20" check_sum="3bcee7cc5a424330844ab778a62d31c1]-->