* {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: "Microsoft YaHei", arial, sans-serif, tahoma;
}

html, body {
    font-size: 14px;
    color: #333
}

a {
    text-decoration: none;
    color: #20D97C
}

.hide {
    display: none !important;
}

.fr {
    float: right;
}

.fl {
    float: left;
}

/* == clearfix == */
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix2 {
    clear: both;
    content: '';
    *zoom: 1;
    display: block;
}

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

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

input[type=button] {
    cursor: pointer;
    -webkit-appearance: none;
}

input[type=submit] {
    cursor: pointer;
    -webkit-appearance: none;
}

input[type=file] {
    cursor: pointer;
    -webkit-appearance: none;
}

button {
    cursor: pointer;
    -webkit-appearance: none;
}

.text-c {
    text-align: center;
}

.header {
    padding: 0px 20px;
    position: relative;
    background: #fff;
    height: 44px;
    line-height: 44px;
    font-size: 16px;
    text-align: center;
}

.header-pre {
    position: absolute;
    left: 0px;
    top: 0px;
    display: none; /* 暂隐藏。原值：block    2020-12-27*/
    width: 44px;
    height: 44px;
    background: url("../images/icon6.png") no-repeat center;
    background-size: 12px auto;
}

.header-close {
    position: absolute;
    left: 0px;
    top: 0px;
    display: none; /* 暂隐藏。原值：block    2020-12-27*/
    width: 44px;
    height: 44px;
    background: url("../images/icon5.png") no-repeat center;
}

.question-banner img {
    display: block;
    width: 100%;
}

.question-content {
    margin: 10px;
}

.lr_nb {
    height: 40px;
    line-height: 40px;
    width: 100%;
    box-sizing: border-box;
    z-index: 1;
    opacity: 1;
    -webkit-transition: .3s all;
    transition: .3s all;
    color: #999;
    font-size: 14px;
}

.lr_nb .slider_wrap.line {
    overflow: hidden;
    overflow-x: scroll;
    width: 100%;
    -webkit-overflow-scrolling: touch;
}

.lr_nb .slider_wrap.line .item_cell {
    display: inline-block;
    margin: 0px 6px;;
    overflow: hidden;
    position: relative;
}

.lr_nb .slider_wrap.box {
    overflow: hidden;
    width: 100%
}

.lr_nb .slider_wrap::-webkit-scrollbar {
    display: none
}

.lr_nb .wx_items {
    white-space: nowrap
}

.lr_nb .wx_items span {
    position: relative;
    display: inline-block;
    color: #999;
    font-size: 14px;
    white-space: nowrap;
    display: block;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    text-align: center;
    cursor: pointer
}

.lr_nb .wx_items .current span, .lr_nb .wx_items .current a:visited, .lr_nb .wx_items .current a:link, .lr_nb .wx_items .current a:hover, .lr_nb .wx_items .current a:focus {
    color: #20D97C;
    font-size: 16px;
    font-weight: bold;
}

.lr_nb .wx_items .current span::after {
    position: absolute;
    left: 0px;
    bottom: 0px;
    width: 100%;
    height: 2px;
    background: #20D97C;
    display: block;
    content: "";
}

.lr_content {
}

.lr-box {
    display: none;
    padding: 15px 0px;
}

.lr-box.active {
    display: block;
}

.lr-box-li {
    position: relative;
    min-height: 24px;
    border-bottom: 1px solid #f2f2f2;
    background: url("../images/icon4.png") no-repeat right center;
    padding: 10px 25px 10px 55px;
}

.lr-box-li .num {
    position: absolute;
    left: 0px;
    height: 22px;
    width: 42px;
    top: 50%;
    margin-top: -11px;
    background: url("../images/icon1.png") no-repeat center;
    text-align: center;
    text-indent: 3px;
}

.color-A {
    color: #D95420;
}

.color-B {
    color: #20D97C
}

.color-C {
    color: #9E20D9
}

.color-D {
    color: #2077D9
}

.color-E {
    color: #20D9D2
}

.color-O {
    color: #000000
}

.lr-box-li .txt {
    font-size: 14px;
}

.detail-body {
    background: #f4f4f4
}

.detail-question {
    background: #fff;
    padding: 10px 15px;
    border-top: 1px solid #f2f2f2;
}

.detail-tit {
    font-size: 17px;
    padding: 10px 0px;
    border-bottom: 1px solid #f2f2f2;
    line-height: 22px;
}

.detail-box {
    padding: 10px 0px;
    line-height: 24px;
}

.detail-box-t {
    font-weight: 600;
}

.detail-box-c {
}

.detail-box-footer {
    font-weight: 600;
}

.detail-box-footer a {
    color: #20D97C;
}

.detail-box .il {
}

.detail-box .ir {
    margin-left: 24px;
}

.detail-bottom {
    margin: 6px 0px;
    color: #999;
    font-size: 12px;
    line-height: 30px;
    text-align: center;
    position: relative;
}

.detail-bottom::before {
    display: block;
    width: 100%;
    height: 1px;
    position: absolute;
    left: 0px;
    top: 50%;
    content: "";
    background: #f2f2f2;
}

.detail-bottom span {
    display: inline-block;
    padding: 0px 25px;
    background: #fff;
    z-index: 11;
    position: relative;
}

.detail-bd {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 40px;
    position: relative;
}

.detail-bd .bd-li {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-bd .bd-li img {
    margin-right: 10px;
}

.detail-bd::before {
    display: block;
    width: 1px;
    height: 20px;
    background: #f2f2f2;
    position: absolute;
    left: 50%;
    margin-top: -10px;
    top: 50%;
    content: ""
}

.related-link {
    color: #20D97C;
    font-size: 14px;
}

.question-more {
    text-align: center;
    padding: 25px 0px;
}

.question-more a {
    color: #20D97C;
    font-size: 15px;
}

.formulae {
    color: #008FFF;
    font-size: 14px;
}