* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "SimSun", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    cursor: default;
}

.h1, .h2, .h3, h1, h2, h3, p, ul, ol {
    margin-top: 0;
    margin-bottom: 0;
}

.clearfix:before,
.clearfix:after {
    content: " ";
    display: table;
}

.clearfix:after {
    clear: both;
}

::-webkit-scrollbar {
    background: transparent;
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(37, 36, 36, .57);
    border-radius: 5px;
}

.myPagination {
    list-style: none;
    width: 521px;
    height: 50px;
    margin: 50px auto 10px;
    text-align: center;
}

.myPagination > li {
    display: inline-block;
    vertical-align: middle;
}

.myPagination > li > a {
    text-decoration: none;
    display: inline-block;
    height: 40px;
    padding: 0 15px;
    font-size: 16px;
    font-weight: 500;
    line-height: 40px;
    margin-left: 12px;
    color: #999;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    -o-border-radius: 4px;
    cursor: pointer;
    transition: all .4s cubic-bezier(.645, .045, .355, 1);
    -webkit-transition: all .4s cubic-bezier(.645, .045, .355, 1);
    -moz-transition: all .4s cubic-bezier(.645, .045, .355, 1);
    -ms-transition: all .4s cubic-bezier(.645, .045, .355, 1);
    -o-transition: all .4s cubic-bezier(.645, .045, .355, 1);
}

.myPagination > li > a.active {
    color: #fff;
    background: #ff9500;
    border: 1px solid #ff9500;
}

.myPagination > li > a:hover {
    color: #ff9500;
    background: #fff;
    border: 1px solid #ff9500;
}

.index-content {
    width: 100%;
    background: #f8f8f8;
}

.index-content-box {
    width: 1000px;
    margin: 20px auto;
}

.index-content > header {
    background: #fff
}

.index-nav {
    width: 1000px;
    margin: 0 auto;
}

.logo-box {
    margin: 33px 0 27px;
    float: left;
}

.logo-box > a > img {
    cursor: pointer;
}

.search-box {
    position: relative;
    float: right;
    margin-top: 35px;
}

.search-box > .el-input {
    position: relative;
    font-size: 14px;
    display: inline-block;
    width: 100%;
}

.nav-problem {
    float: right;
    margin-top: 40px;
    margin-right: 30px;
    font-size: 22px;
    color: #333;
    cursor: pointer;
    text-decoration: none;
}

.search-box > .el-input > input {
    box-sizing: border-box;
    color: #606266;
    display: inline-block;
    height: 40px;
    line-height: 40px;
    outline: 0;
    padding: 0 15px;
    border-radius: 100px;
    width: 240px;
    font-size: 16px;
    padding-top: 2px;
    padding-left: 40px;
    border: 1px solid #dcdfe6;
    cursor: text;
}

.search {
    background: url("../images/Search.svg");
    width: 30px;
    height: 30px;
    position: absolute;
    top: 5px;
    left: 10px;
}

.footer-module {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: #2E3132;
    padding: 60px 0;
}

.footer-module > .footer-content {
    width: 1000px;
    margin: 0 auto;
}

.footer-content > .footer-bottom {
    margin-top: 10px;
    color: #b3b8bb;
}

.footer-bottom > .internet-rules,
.footer-bottom > .website-certificate {
    color: #B3B8BB;
}

.footer-bottom > .internet-rules {
    font-size: 14px;
    float: left;

}

.footer-bottom > .website-certificate {
    font-size: 12px;
    float: right;
    text-align: right;
}

.website-certificate > p > a {
    color: #B3B8BB;
    text-decoration: none;
}

.problem-container {
    min-height: 100vh;
    position: relative;
    background: #f8f8f8;
}

.problem-main {
    width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.problem-content {
    width: 1000px;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    flex-direction: row;
}

.left-content {
    width: 200px;
    border: 2px solid #ddd;
    background: #f7f7f7;
}

.left-content ul {
    list-style: none;
}

.left-content ul li {
    display: block;
    list-style: none;
    height: 45px;
    line-height: 45px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

.left-content ul li:last-child {
    border-bottom: none;
}

.left-content ul li a {
    text-decoration: none;
    color: #333;
    font-size: 22px;
    cursor: pointer;
}

.left-content ul li a:hover {
    color: #ff9500;
}

.left-content .active {
    color: #ff9500;
}

.main-content {
    padding: 0 20px;
    overflow-x: scroll;
    height: 380px;
    width: 800px
}

.problem-list .problem-item {
    list-style: none;
    padding: 10px 0;
    color: #666;
    font-size: 22px;
    text-decoration: none;
    border-bottom: 1px dashed #cccc;
}

.problem-list .problem-item a {
    color: #666;
    text-decoration: none;
    cursor: pointer;
}

.problem-list .problem-item a:hover {
    color: #ff9500;
}

.problem-list .problem-item span {
    padding: 0 8px;
}