h1,
h2,
h3,
h4,
h5,
h6 {
    /*font-weight: normal;*/
    font-size: inherit;
}

button,
input[type=button] {
    width: auto;
    overflow: visible;
}

input,
select,
textarea,
button {
    -webkit-appearance: none;
    border: 0;
    outline: 0;
    resize: none;
    font-size: inherit;
    margin: 0;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
    outline: none;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0;
}

img,
object,
embed {
    max-width: 100%;
    height: auto;
    vertical-align: top;
}

del {
    text-decoration: line-through;
}

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

a {
    text-decoration: none;
}

html,
body {
    height: 100%;
    padding: 0;
    margin: 0;
    font-family: "PingFang SC", Arial, "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
}

html{
    font-size: 48px;
}

body{
    background-color: #f5f5f5;
    /*黑白模式*/
    /*filter: grayscale(1);*/
}

.clear_fix:after {
    content: " ";
    clear: both;
    display: block;
    height: 0;
    line-height: 0;
    visibility: hidden;
}

.f_left {
    float: left !important;
}

.f_right {
    float: right !important;
}

.show {
    display: inherit !important;
}

.hide {
    display: none !important;
}

.text_left {
    text-align: left !important;
}

.text_right {
    text-align: right !important;
}

.text_center {
    text-align: center !important;
}

/** header **/
.header {
    background-color: #f5f5f5 !important;
}
.header .top{
    display: flex;
    position: relative;
    height: 50px;
    padding-left: 11px;
    background-color: #fff;
    border-bottom: 1px solid #EBEBEB;
    z-index: 10;
}

.header .top a{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.header .top .logo img{
    width: 2rem;
}

.header .top .tag{
    display: inline-block;
    padding: 0 8px;
    left: 30%;
    line-height: .4rem;
    text-align: center;
    font-size: .22rem;
    color: #0693dd;
    background-color: #D4EDFF;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    border-bottom-left-radius: 0;
}

.header .top .guide_switch{
    right: 11px;
}
.header .top .guide_switch img{
    width: 0.38rem;
    height: 0.33rem;
    vertical-align: middle;
}

.header .top .guide_switch.close {
    padding: 0;
}

.header .top .guide_switch.close img {
    position: relative;
    padding-top: 5px;
    width: .25rem;
    height: .25rem;
}

.header .top .guide_switch i{
    width: 0.38rem;
    height: 0.38rem;
    vertical-align: middle;
    color: #a9a9a9;
    font-size: 0.38rem;
}


.header .top .guide_switch select{
    font-size: 14px;
    line-height: 16px;
    color: #0693dd;
    background-color: #fff;
}

.guide_box {
    position: absolute;
    top: 55px;
    right: 0;
    background-color: rgb(255, 255, 255);
    width: 100%;
    display: none;
    z-index: 99;
    padding-bottom: 25px;
    box-shadow: 0 4px 6px 0 rgba(7, 17, 27, 0.1);
}
.guide_box .caption {
    display: inline-block;
    padding: 8px 13px;
    color: #999;
    font-size: 14px;
}

.guide_box .content_wrap {
    display: flex;
    /*width: 100%;*/
    flex-wrap: wrap;
    padding: 10px;
    text-align: center;
    background-color: #fff;
}
.guide_box .content_wrap .item {
    width: calc(calc(100% /3) - 2px);
    padding-top: 12px;
    padding-bottom: 12px;
    color: #666;
    border-bottom: 1px dotted #EBEBEB;
    border-right: 1px dotted #EBEBEB;
}
.guide_box .content_wrap .item.b_right_0 {
    border-right: 0;
}
.guide_box .content_wrap .item.b_bottom_0 {
    border-bottom: 0;
}
.guide_box .content_wrap .item.b_top_1 {
    border-top: 1px dotted #EBEBEB;
}

/* 遮罩层 */
.shadeTop {
    position: absolute;
    display: none;
    width: 100%;
    height: 100%;
    z-index: 2;
    background-color: #000;
    opacity: .5;
}

/* 考试指南 */
.guide {
    display: flex;
}

.guide .guide_bg.bg1 {
    background-image: url('https://static.chengjiao365.com/h5/images/img_zikao@2x.png');
    background-position: center;
}

.guide .guide_bg.bg2 {
    background-image: url('https://static.chengjiao365.com/h5/images/img_chengkao@2x.png')
}

.guide .guide_bg.bg3 {
    background-image: url('https://static.chengjiao365.com/h5/images/img_yuancheng@2x.png')
}

.guide .guide_bg {
    flex: 1;
    margin: 15px 13px;
    width: 2.10rem;
    padding-top: 16px;
    padding-bottom: 16px;
    -webkit-background-size: 100%;
    background-size: 100%;
    background-position: center;
    background-repeat: no-repeat;
    text-align: center;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
}

.guide .guide_bg span {
    font-weight: bold;
    color: #fff;
    font-size: 16px;
}

/*header nav*/
.header .nav {
    background-color: #fff;
    height: 44px;
    line-height: 44px;
}

.header .nav ul {
    margin-top: 0;
    margin-bottom: 0;
    padding-left: 14px;
}

.header .nav ul li {
    color: #0693dd;
    width: 60px !important;
    margin-right: 0px !important;
}

.header .nav ul li a.active {
    color: #0693dd;
}

.header .nav ul li a {
    position: relative;
}

.header .nav ul li a.active:before {
    content: '';
    position: absolute;
    width: 13px;
    padding: 0;
    left: 50%;
    top: 130%;
    transform: translateX(-50%);
    background: #0693dd;
    border: 2.5px solid #0693dd;
    border-radius: 2px;
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
}

.header .nav ul li a {
    color: #5B6C78;
}


/* 分页*/
/* 试题分页*/
.pagination {
    display: flex;
    padding: 16px 0 20px;
    border-top: 1px solid #EBEBEB;
    background-color: #fff;
    margin-top: 10px;
}

.pagination .status {
    flex: 1;
    font-size: 15px;
    color: #4D4D4D;
    text-align: center;
}

.pagination .status.num {
    font-size: 16px;
}

.pagination .status span {
    color: #4290F9;
}

.library_link {
    display: flex;
    padding-top: 9px;
    padding-bottom: 9px;
    margin-top: 8px;
    margin-bottom: 8px;
    background-color: #fff;
}

.library_link .item {
    flex: 1;
    text-align: center;
    color: #808080;
    font-size: 14px;
    text-decoration: none;
    border-right: 1px solid #E6E6E6;
}

.library_link .item.active {
    color: #4D4D4D;
    font-size: 15px;
    font-weight: bold;
}

.library_link .item:last-child {
    border-right: none;
}

/** footer **/
.footer {
    margin-top: 20px;
    padding-bottom: 20px;
    text-align: center;
    font-size: 12px;
}

.footer ul {
    display: block;
}

.footer ul li {
    display: inline-block;
    text-align: center;
    list-style-type: none;
    border-right: 1px solid #E6E6E6;
    padding-right: 5px;
    padding-left: 5px;
}

.footer ul li a {
    font-size: 12px;
    color: #4D4D4D;
    text-decoration: none;
}

.footer ul li:first-child {
    padding-left: 0;
    border-left: 0;
}

.footer ul li:last-child {
    padding-right: 0;
    border-right: 0;
}

.footer .p {
    display: inline-block;
    color: #999;
}

.footer .p.copyright {
    margin-top: 14px;
    margin-bottom: 10px;
}

.footer .p.record a{
    display: inline-block;
    color: #999;
}

.fix_top {
    position: fixed;
    right: 0;
    top: 80%;
    z-index: 10;
    width: 0.65rem;
}

.fix_top .top_a {
    display: none;
}

.fix_top a {
    position: fixed;
    bottom: 80px;
    right: 20px;
}

.fix_top img {
    width: 0.65rem;
    height: 0.63rem;
}

.icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    overflow: hidden;
}

/*搜索框*/
.search_wrap {
    height: 44px;
    line-height: 44px;
    padding: 0 14px 0 12px;
    border: 1px solid #E6E8EB !important;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
    position: relative;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    background-color: white;
    margin: 10px 10px;
}

.search_wrap .kw {
    height: 80%;
    width: 92%;
}

.search_wrap .list_search_btn {
    position: absolute;
    top: 30%;
    right: 0%;
    margin-top: -10px;
    width: 60px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-size: 24px;
    color: #bbb;
    z-index: 9;
}

/* 404错误页 */
.err404{
    /*padding: 100px;*/
    /*height: 600px;*/
    background: white;
    margin-top: 10px;
    padding: 20px 20px 40px 20px
}
.err404 h1 {
    font-size: 2rem;
    margin: 15px 0 30px 0;
    font-weight: bold;
    color: inherit;
}
.err404 h2 {
    font-weight: bold;
    font-size: .5rem;
    margin-bottom: 24px;
    line-height: 1.2;
    color: inherit;
}
.err404 p{
    font-size: .3rem;
    margin-bottom: 16px;
}
.err404 .svg{
    display: inline-block;
    width: 100%;
}
.err404 .content{
    display: inline-block;
    width: 100%;
    color: black;
    text-align: center;
}
.err404 .svg svg {
    width: 100%;
    visibility: hidden;
}
.err404 .content .btn {
    z-index: 1;
    overflow: hidden;
    background: transparent;
    position: relative;
    padding: .15rem .6rem;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1em;
    letter-spacing: 2px;
    -webkit-transition: 0.2s ease;
    transition: 0.2s ease;
    font-weight: bold;
    margin: 5px 0;
}
.err404 .content .btn {
    border: 4px solid #0693dd;
    color: black;
}
.err404 .content .btn:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: #0693dd;
    z-index: -1;
    -webkit-transition: 0.2s ease;
    transition: 0.2s ease;
}
.err404 .content .btn:hover {
    color: white;
    background: #0693dd;
    -webkit-transition: 0.2s ease;
    transition: 0.2s ease;
}
.err404 .content .btn:hover:before {
    width: 100%;
}

.mt0 {margin-top:0 !important;}
.mt10 {margin-top:10px !important;}
.mr0 {margin-right:0 !important;}
.mb0 {margin-bottom:0 !important;}
.ml0 {margin-left:0 !important;}
.pt0 {padding-top:0 !important;}
.pr0 {padding-right:0 !important;}
.pb0 {padding-bottom:0 !important;}
.pl0 {padding-left:0 !important;}
.bb0{border-bottom: none !important;}