a {
    text-decoration: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

ul,
ol,
li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.container {
    width: 100%;
    height: 100%;
    background: url(../images/bg.jpg) repeat-x 0 70px;
    background-size: auto;
    margin: 0 auto;
    min-width: 1260px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", Arial, sans-serif;
}

body {
    background-color: #fff;
    min-height: 100vh;
}

/* ========== 顶部导航 ========== */
.header {
    height: 70px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    box-sizing: border-box;
    padding: 0 15px;
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-left {
    float: left;
    display: flex;
    align-items: center;
}

.logo {
    font-weight: bold;
    color: #409eff;
    font-size: 16px;
}

.logo img {
    display: block;
}

.header-title {
    font-size: 14px;
    color: #333;
    display: none;
}

.header-nav {
    float: left;
    display: none;
    font-size: 12px;
    color: #666;
    margin-left: 155px;
    padding-top: 30px;
}

.header-nav a {

    margin: 0 15px;
    color: #666;
    text-decoration: none;
}

.header-nav a:hover {
    color: #409eff;
}

.header-right {
    float: right;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    padding-top: 20px;
}

.btn {
    padding: 2px 4px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 12px;
}

.btn-blue {
    background: #1844a7;
    color: #fff;

}

.linkto {
    color: #1a52a5
}

.btn-orange {
    background: none;
    color: #31353b;
    border-bottom: 1px solid #31353b;
    padding: 0 0;

}

.menu-toggle {
    display: block;
    width: 30px;
    height: 30px;
    background: #f5f7fa;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    background: #666;
    position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 2px;
    background: #666;
    top: -5px;
}

.menu-toggle span::after {
    top: 5px;
}

/* ========== 主体布局 ========== */
.main-container {
    display: flex;
    min-height: calc(100vh - 70px);
    position: relative;
}

/* ========== 左侧菜单（响应式） ========== */
.sidebar {
    width: 360px;
    padding: 40px 0;
    position: fixed;
    left: 0;
    top: 70px;
    bottom: 0;
    overflow-x: hidden;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 998;

}



/* 隐藏滚动条 */
.sidebar::-webkit-scrollbar {
    display: none;
}

/* 鼠标移入显示 */
.sidebar:hover::-webkit-scrollbar {
    display: block;
    width: 6px;
}

/* 滚动条样式（美观） */
.sidebar::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}



.sidebar.open {
    transform: translateX(0);
}

.sidebar-overlay {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 997;
    display: none;
}

.sidebar-overlay.show {
    display: block;
}

.sidebar-menu {
    list-style: none;
}


.sidebar-menu>li {
    position: relative;
    margin-top: 10px;
}

.sidebar-menu>li.sidebar2 {
    position: relative;
    margin-top: 10px;
}

.sidebar-menu>li h2 {
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    color: #333;
    margin-left: 34px;
}

.sidebar-menu>li h2 a {

    color: #333;
}


.submenu-one {
    font-size: 16px;
    color: #333;
    cursor: pointer;
    align-items: center;
    height: 30px;
    line-height: 30px;
    width: 354px;
}

.submenu-one::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: none;
    vertical-align: middle;
}

.submenu-one a {
    margin-left: 40px;
    color: #595d67;
}

.submenu-one2 {
    font-size: 16px;
    color: #333;
    cursor: pointer;
    align-items: center;
    height: 30px;
    line-height: 30px;
    width: 354px;
}

.submenu-one2::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: none;
    vertical-align: middle;
}

.submenu-one2 a {
    margin-left: 60px;
    color: #595d67;
}

.submenu-one3 {
    font-size: 16px;
    color: #333;
    cursor: pointer;
    align-items: center;
    height: 30px;
    line-height: 30px;
    width: 354px;
}

.submenu-one3::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: none;
    vertical-align: middle;
}

.submenu-one3 a {
    margin-left: 60px;
    color: #595d67;
}

.active a {
    margin-left: 40px;
    color: #1844a7;
}



.active::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: #1844a7;
    vertical-align: middle;
}

.active2::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: #1844a7;
    vertical-align: middle;
}

.active2 a {
    margin-left: 60px;
    color: #1844a7;
}

.sidebar-menu>li.active3 h2 a {
    margin-left: 0px;
    color: #1844a7;
}

.active3::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: #1844a7;
    vertical-align: middle;
}

.submenu-three {
    font-size: 16px;
    color: #595d67;
    align-items: center;
    height: 30px;
    line-height: 30px;
    width: 354px;
}

.submenu-three::before {
    float: left;
    content: "";
    width: 4px;
    height: 30px;
    background: none;
    vertical-align: middle;
}

.submenu-three span {
    margin-left: 40px;
}

.menu-title {

    font-size: 16px;
    color: #595d67;
    cursor: pointer;
    align-items: center;
    height: 30px;
    line-height: 30px;
    width: 354px;
    margin-top: 10px;
}

.menu-title span {
    display: block;
    height: 30px;
    line-height: 30px;
    margin-left: 40px;
}

.menu-title span::before {
    display: inline-block;
    content: "";
    width: 24px;
    height: 24px;
    background: url(../images/icon.png) no-repeat center;
    vertical-align: middle;
    margin: -2px 0 0 0;
    transition: transform 0.2s;
}

.menu-title.active22 span::before {
    transform: rotate(-180deg);
}

.submenu {
    list-style: none;
    display: none;
}

.submenu li {
    height: 30px;
    line-height: 30px;
    color: #595d67;
    cursor: pointer;
    margin-top: 10px;
}

.submenu a {
    display: block;
    height: 30px;
    line-height: 30px;
    margin-left: 80px;
    color: #595d67;
}

.submenu .active a {
    color: #1844a7;
}

.submenu .submenu {
    padding-left: 10px;
}

/* ========== 右侧内容 ========== */
.content {
    padding: 0;
    transition: margin-left 0.3s ease;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.content h1 {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.content h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}

.content h3 {
    font-size: 16px;
    color: #333;
    margin-top: 15px;
    font-weight: bold;
}

.content h3 span::before {
    display: inline-block;
    content: "";
    width: 4px;
    height: 18px;
    background: #1142ab;
    vertical-align: middle;
    margin: -2px 6px 0 0;
}



.content p {
    font-size: 16px;
    color: #333;
    line-height: 1.8;
    margin-top: 15px;
}

.content p a,
.content ul li a,
.content h3 a {
    color: #1844a7;
}

.tags {
    padding: 6px;
    color: #333333;
    text-align: center;
    width: auto;
    display: table;
    background: #cfd9ee;
    margin-top: 20px;
}

.content ul li {
    margin-left: 40px;
    margin-top: 15px;
    color: #333333;
}


/* ========== 二维码 ========== */
.qrcode {
    position: fixed;
    right: 15px;
    bottom: 30%;
    text-align: center;
    font-size: 14px;
    color: #333333;
    z-index: 996;
    display: none;
    background: #fff;
    padding: 10px 5px;
    box-shadow: 0 5px 10px rgba(150, 150, 150, 1);
}

.qrcode img {
    width: 106px;
    height: 106px;
    display: block;
    margin-bottom: 5px;

}

/* ========== 响应式断点 ========== */

@media screen and (min-width: 768px) {
    .header-title {
        display: block;
    }

    .header-nav {
        display: flex;
    }


    .menu-toggle {
        display: none;
    }

    .sidebar {
        transform: translateX(0);
    }

    .content {
        margin-left: 0px;
    }

    .qrcode {
        display: block;
    }
}

@media screen and (min-width: 1200px) {
    .header {
        padding: 0 0px;
    }

    .content {
        padding: 50px;
        width: 1100px;
        margin-left: 360px;
    }

    .header-right {
        font-size: 12px;
        margin-right: 30px;
    }

    .header-right span {
        margin-right: 30px;
    }

    .btn {
        font-size: 12px;
        padding: 6px 6px;
    }

    .btn-orange {
        background: none;
        color: #31353b;
        border-bottom: 1px solid #31353b;
        padding: 0 0;

    }
}

/*????*/
.login-box {
    display: none
}

.problem-mask {
    z-index: 99999;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0.7;
    filter: alpha(opacity=70);
    -moz-opacity: 0.4;
    cursor: pointer;
}

.login-bbox {
    box-shadow: 0px 6px 12px 2px rgba(0, 0, 0, 0.16);
    z-index: 999999;
    position: fixed;
    top: 50%;
    left: 0;
    right: 0;
    width: 340px;
    height: 380px;
    margin: -130px auto 0 auto;
    background: #fff;
}



/*.logoClose{ text-align:center; font-size:12px; color:#919191; margin-top:20px; position:absolute; top:365px;left:0px; width:100%;display:block; margin:0 auto;display:none}*/

.logoClose {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-top: 20px;
    width: 100%;
    display: block;
    /*margin:-35px auto 0 auto;*/
    font-weight: normal;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 12px;
    z-index: 2
}

.logoClose span {
    display: inline-block;
    cursor: pointer;
}

.logoClose span::before {
    display: inline-block;
    content: "";
    width: 14px;
    height: 14px;
    background: url("https://www.lgmi.com/new-images/loginClose.png?vs=2.0") no-repeat center;
    vertical-align: middle;
    margin: -1px 4px 0 0;
    background-size: 100% 100%
}