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

body {
    background: #f2f2f2;
    font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
    padding-top: 60px;
}

/* ===== 导航栏 ===== */
.custom-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    height: 60px;
    /* background: #1e9fff; */
    background: #2F4056;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.header-logo {
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1px;
    white-space: nowrap;
}
.header-logo i {
    font-size: 28px;
    margin-right: 8px;
}
.header-logo span {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.85;
    margin-left: 8px;
    /* display: none; */
}
@media (min-width: 576px) {
    .header-logo span {
        display: inline;
    }
}

/* ===== 导航菜单 ===== */

.nav-menu {
    display: flex;
    background: #2F4056;
    align-items: center;
    gap: 4px;
    list-style: none;
    transition: all 0.3s ease;
}
.nav-menu ul {
    background: #2F4056;
}
.mobile-menu {
    display: none;
    float: right;
    cursor: pointer;
    color: #fff;
    font-size: 28px;
    line-height: 50px;
    transition: all 0.2s;
}

@media screen and (max-width: 768px) {
    .mobile-menu {
        display: block;
    }
    .nav-menu {
        display: none;
        width: 100%;
        position: absolute;
        z-index: 999;
        top: 60px;
        left: 0;
    }
    .layui-nav.layui-nav-tree {
        width: 100%;
    }
    .layui-nav-tree .layui-nav-item {
        border-top: 1px solid #3e4c5f;
    }
    .layui-nav-tree .layui-nav-item a {
        height: auto;
    }
    .layui-nav-tree .layui-nav-more {
        margin-left: 15px;
        right: auto;
    }
    .layui-nav-tree .layui-nav-child {
        padding-left: 20px;
        background: #3e4c5f;
    }
    .layui-nav-tree .layui-nav-itemed {
        background: #35455b;
    }
}

/* ===== 主体容器 ===== */
.main-container {
    max-width: 950px;
    margin: 0 auto;
    padding: 20px 16px 0px;
}

/* ===== 卡片 ===== */
.layui-card {
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    background: #fff;
    margin-bottom: 20px;
    /* overflow: hidden; */
}
.layui-card-header {
    padding: 16px 24px;
    font-size: 17px;
    font-weight: 600;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
    background:#fafcff;
}
.layui-card-header i {
    font-style: normal;
    /* color: #1e9fff; */
    color: #e6a23c;
    font-size: 20px;
}
.layui-card-body {
    /* padding: 24px 24px 28px; */
    padding: 20px;
}


/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #bbb;
    font-size: 15px;
}
.empty-state i {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
    color: #d9d9d9;
}

/* 底部 */
footer {
    text-align: center;
    color: #aaa;
    font-size: 12px;
    line-height: 20px;
    margin-bottom: 10px;
}
footer a {
    color: #aaa;
}

@media (max-width: 576px) {
    .main-container {
        padding: 12px 10px 0px;
    }
    .layui-card-body {
        /* padding: 16px 14px 20px; */
        padding: 10px;
    }
    .layui-card-header {
        padding: 12px 16px;
        font-size: 15px;
    }
}

@media (max-width: 380px) {
    .header-logo {
        font-size: 16px;
    }
    .header-logo i {
        font-size: 22px;
    }
    .custom-header {
        padding: 0 12px;
        height: 54px;
    }
    body {
        padding-top: 54px;
    }
    .nav-menu {
        top: 54px;
        max-height: calc(100vh - 54px);
    }
}