* {margin: 0;padding: 0;}
body {line-height: 1.5;color: #212529;text-align: left;background: #fff;}
h1 {padding-top: 5px;}
li {list-style: none;}
img {vertical-align: middle;border-style: none;}
.container {width: 1400px;max-width: 1400px;height: auto;margin: 0 auto;display: block;}
.showImg_box{ z-index: 10000;position:fixed; top:200px;width:100%;display:none;}
.mobile_learn{width:700px;margin:0 auto;}
.img_close{position:absolute;top:15px;right:32.5%;width:20px;height:20px;}

.top {width: 100%;clear: both;box-sizing: border-box;overflow: hidden;height: 80px;display: flex;position: fixed !important;flex-wrap: wrap;top: 0;z-index: 9999;align-items: center;justify-content: space-between;background: rgba(29, 26, 26, 1);}
.top-left {min-width: 70%;height: 100%;display: flex;align-items: center;justify-content: center;}
.top-right {width: 30%;height: 100%;display: flex;justify-content: flex-start;align-items: center;padding-left: 50px;box-sizing: border-box;}

.top-nav {width: auto;height: auto;display: flex;padding-left: 25px;position: relative;}
.top-nav li:hover{background-color:black;}
.top-nav li.active.top-nav-ul-li{background-color:red;}
.top-nav-ul-li {float: left;width: calc((800px) / 7);padding: 0;margin: 0;text-align: center;}
.top-nav-ul-li a {color: white;display: inline-block;height: 80px;line-height: 80px;font-size: 16px;}
.top-nav-ul-li:hover {background-color: red;}
.top-nav-ul-li a:hover {color:#FFF;}

.search-text {height: 36px;line-height: 36px;border: none;border-radius: 18px;padding-left: 18px;width: 188px;}
.index-search {width: 40px;height: 40px;cursor: pointer;background: #1d1a1a url(/public/static/images/search.png) no-repeat center;border-top-right-radius: 4px;border-bottom-right-radius: 4px;}

input[type=text]::placeholder {font-size: 14px;color: rgba(136, 127, 127, 0.774);}/* 提示信息样式 */

/* 登入 */
.login {width: 100px;height: 35px;border-radius: 20px;font-size: 16px;display: flex;align-items: center;justify-content: center;font-family: Source Han Sans CN;font-weight: 400;margin-left: 20px;color: rgba(255, 255, 255, 1);background: rgba(239, 22, 40, 1);}
.login a {color: rgba(255, 255, 255, 1);}
.logo {text-decoration: none;margin-right: 34px;}
.logo img {margin-left: 5%;vertical-align: middle;border-style: none;overflow-clip-margin: content-box;overflow: clip;width: 190px;height: auto;}

.sign-box{display:flex;}
.sign-box a{color:#ffffff;}
.button-group button {color: rgba(255, 255, 255, 1);background: rgba(255,255,255,0);border: none;}