/*---------- CSS 公共部分 样式格式化--------- */
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, dl, dd, dt, form, select, input, div, table, td, th {
    margin: 0;
    padding: 0;
}

body {
    margin: 0 auto;
    font-family: PingFang SC,Microsoft Yahei;
    font-size: 14px;
    min-width: 1000px;
    width: expression(document.body.clientWidth <1000 ? "1000px" : "100%" );
    background-color: #f5f7f9;
}

a {
    text-decoration: none;
    color: #333;
    transition: all 0.2s
}

    a:hover {
        color: #f52f3e;
    }

ul, li {
    list-style: none;
}

img, fieldset {
    border: none;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

address, cite, code, em, th, i, strong {
    font-weight: normal;
    font-style: normal;
}

input, button, textarea, select {
    vertical-align: middle;
    font-family: Microsoft Yahei;
}

table {
    border-collapse: collapse;
}

.clear {
    clear: both
}

.search_search {
    display: flex;
}

    .search_search > input {
        padding-left: 6px;
        outline: none;
        height: 30px;
        box-sizing: border-box;
        border: #ff403a 1px solid;
        border-radius: 4px 0 0 4px;
    }

    .search_search .search_search_but {
        cursor: pointer;
        height: 30px;
        width: 38px;
        background: linear-gradient(to right,#ff403a,#ff6a49);
        border-radius: 0 6px 6px 0;
        outline: none;
        border: none;
    }

.topNavBg {
    height: 56px;
    background: #00021e
}

.topNav {
    width: 1200px;
    margin: auto;
    height: 56px;
}

    .topNav .logo {
        width: 148px;
        height: 39px;
        float: left;
        margin-top: 4px;
    }

.navCont {
    float: left;
    line-height: 53px;
}

    .navCont li {
        float: left;
        font-size: 16px;
        color: #b1b2ba;
    }

        .navCont li a {
            color: #b1b2ba;
            padding: 0 20px;
            display: block
        }

            .navCont li a:hover {
                color: #f52f3e;
            }

                .navCont li a:hover::after {
                    background: #f52f3e;
                    content: "";
                    display: block;
                    width: 30px;
                    height: 3px;
                    margin: auto;
                }

        .navCont li.on a {
            color: #f52f3e
        }

            .navCont li.on a::after {
                background: #f52f3e;
                content: "";
                display: block;
                width: 30px;
                height: 3px;
                margin: auto;
            }
/* 试听下拉分类 */
.classSelectWhite {
    float: left;
    margin: 0px 30px 0 0px;
    position: relative;
    z-index: 99999;
}

    .classSelectWhite h2 {
        display: block;
        padding: 15px 0 15px 20px;
        color: #fff;
        font-weight: bold;
        font-size: 16px;
        height: 26px;
        line-height: 26px;
    }

        .classSelectWhite h2 i {
            display: inline-block;
            width: 15px;
            height: 10px;
            background: #fff;
            margin-left: 10px
        }

        .classSelectWhite h2 i {
            background: url(/content/images/introduce/zhongji/sel-s-ico.png) no-repeat 0 0 /16px;
            transition: all 0.3s;
        }

#navbox.current-white h2 i {
    background: url(/content/images/introduce/zhongji/sel-s-ico.png) no-repeat 0 -70px /16px;
}

.classSelectWhite .subnav {
    display: none;
    background: #000;
    position: absolute;
    top: 56px;
    left: 0px;
    width: 420px;
    padding: 20px 30px;
    opacity: .9;
}

#navbox.current-white .subnav {
    display: block;
}

.left-bar .check {
    background: #f52f3e;
}

.classSelectWhite .subnav li {
    float: left;
    margin-right: 60px;
    width: 120px;
}

    .classSelectWhite .subnav li:last-child {
        margin-right: 0px;
    }

.classSelectWhite .subnav h3 {
    color: #fff;
    margin-bottom: 15px;
    opacity: .5;
    font-size: 14px;
}

    .classSelectWhite .subnav h3::after {
        background: #b1b2ba;
        content: "";
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 3px;
        margin-top: 10px
    }

.classSelectWhite .subnav a {
    display: block;
    color: #fff;
    line-height: 38px;
    opacity: 0.8;
    font-size: 14px;
}

    .classSelectWhite .subnav a:hover {
        opacity: 1;
        color: #f52f3e;
        padding-left: 5px
    }

.classSelectWhite .subnav del {
    display: block;
    color: #fff;
    line-height: 38px;
    opacity: 0.5;
    font-size: 14px;
}
/*------400--------*/
.hotLineWhite {
    float: right;
    font-size: 22px;
    color: #f52f3e;
    margin-top: 12px;
    background: url(/content/images/introduce/zhongji/hotline-w.png) no-repeat left 10px;
    padding-left: 25px;
}

    .hotLineWhite b {
        transform: scale(1,1.2);
        display: block;
        letter-spacing: -1px;
    }

.clear {
    clear: both
}

.so {
    float: right;
    width: 170px;
    border-radius: 3px;
    margin-top: 10px;
    height: 34px;
    background: #fff
}

    .so .input-text {
        background: none;
        border: none;
        height: 34px;
        line-height: 34px;
        font-size: 15px;
        color: #666;
        padding-left: 8px;
        width: 127px;
        float: left;
    }

    .so .so-btn {
        background: url(/content/images/introduce/zhongji/search-bg.png) top center;
        width: 34px;
        height: 34px;
        display: block;
        float: right;
    }

        .so .so-btn:hover {
            background: url(/content/images/introduce/zhongji/search-bg.png) bottom center;
        }
/*--------视频区域--------*/
.video-area {
    height: 805px;
    background: url(/content/images/introduce/zhongji/st_banner.jpg) no-repeat center top;
}

.video-cont {
    width: 1200px;
    margin: auto;
}

.video-above {
    height: 300px;
    overflow: hidden
}

.left-part {
    float: left;
    width: 780px;
    background: #222;
}

.video {
    width: 1128px;
    margin: auto;
    height: 440px;
    background: url(/content/images/introduce/zhongji/left-bar-bg.png);
    clear: both;
    padding: 20px
}

#video {
    float: left;
    width: 780px;
    height: 440px;
}

.video-list {
    float: right;
    width: 348px;
    height: 440px;
    background: #222
}

    .video-list .list {
        height: 342px;
        overflow-y: scroll
    }

        .video-list .list .cont {
            padding-bottom: 20px;
        }

.scrollbar::-webkit-scrollbar {
    width: 10px;
    height: 10px;
    background-color: #666;
}
/*滚动条整体部分,必须要设置*/
.scrollbar::-webkit-scrollbar-track {
    background-color: #666;
}
/*滚动条的轨道*/
.scrollbar::-webkit-scrollbar-thumb {
    border-radius: 0;
    background-color: #014d80;
    box-shadow: inset 0 0 5px #014d80;
}
/*滚动条的滑块按钮*/
.scrollbar::-webkit-scrollbar-button {
    height: 0;
    background-color: #666;
}
/*滚动条的上下两端的按钮*/
.video-list h3 {
    font-size: 16px;
    padding: 10px 20px 10px 20px;
    background: #111;
    color: #ccc
}

.video-list dl {
    padding: 10px 0;
    margin: 0 20px;
    border-bottom: 1px solid #444
}

    .video-list dl dt {
        font-weight: bold;
        color: #aaa
    }

    .video-list dl:hover dt {
        color: #fff
    }

    .video-list dl dd {
        padding: 5px 0 0 0
    }

    .video-list dl a {
        color: #777;
        display: block;
        padding: 6px 0px 6px 15px;
        border-left: 3px solid #222;
        margin-left: 10px
    }

    .video-list dl dd a:hover {
        background: #111;
        color: #eee;
        border-left: 3px solid #e00
    }

    .video-list dl dd a.select {
        background: #111;
        color: #eee;
        border-left: 3px solid #e00
    }

.left-bar {
    overflow: hidden;
    background: #333;
}

    .left-bar li {
        float: left;
        font-size: 14px;
        width: calc(33.333%);
    }

        .left-bar li a {
            color: #fff;
            line-height: 38px;
            display: block;
            text-align: center;
        }
            /*.left-bar .check{background:#f52f3e;}*/
            .left-bar li a:hover {
                color: #fff;
                background: #bf323d;
            }

            .left-bar li a.on {
                color: #fff;
                background: #f52f3e;
            }

.my-btn {
    padding: 15px 15px 0 15px;
    height: 45px;
    background: #111;
    clear: both
}

    .my-btn a {
        display: inline-block;
        border-radius: 3px;
        width: 46%;
        text-align: center;
        padding: 6px 0;
        font-size: 16px;
        color: #fff;
        background: #1a91c9;
        margin: 0 2%;
    }

        .my-btn a:hover {
            background: #1eaaeb;
            color: #fff
        }

        .my-btn a:last-child {
            background: #094
        }

            .my-btn a:last-child:hover {
                background: rgb(3, 185, 85)
            }


/*..........班级............*/
/*..........班级............*/
.class-main {
    background: #f0f0f0;
    padding-bottom: 50px;
}
/*..........板块标题............*/
.hd-wrap {
    clear: both;
    height: 112px;
    padding-top: 15px;
    margin: 0px 0 0px 0;
    position: relative;
    background: url(/content/images/introduce/zhongji/middle-tit-bg.png) no-repeat center top;
}

    .hd-wrap::before {
        content: "Intermediate";
        text-align: center;
        display: block;
        margin: auto;
        font-size: 65px;
        color: #000;
        opacity: 0.05;
        ;
        font-weight: bold;
        margin-top: 1px;
        position: absolute;
        top: 0px;
        left: 50%;
        margin-left: -500px;
        width: 1000px;
        text-transform: uppercase
    }

    .hd-wrap .hd {
        margin: auto;
        text-align: center;
        position: relative;
    }

        .hd-wrap .hd h2 {
            font-size: 50px;
            font-weight: 700;
            letter-spacing: 6px;
            font-family: "Microsoft Yahei";
        }

        .hd-wrap .hd span {
            color: #666;
            font-size: 16px;
            display: block;
            letter-spacing: 2px;
        }

/*..........板块标题............*/
.hd-wrap-white {
    clear: both;
    height: 112px;
    padding-top: 15px;
    margin: 80px 0 0px 0;
    position: relative;
    background: url(/content/images/introduce/zhongji/middle-tit-bg.png) no-repeat center top;
}

    .hd-wrap-white::before {
        content: "Intermediate";
        text-align: center;
        display: block;
        margin: auto;
        font-size: 65px;
        color: #fff;
        opacity: 0.05;
        ;
        font-weight: bold;
        margin-top: 1px;
        position: absolute;
        top: 0px;
        left: 50%;
        margin-left: -500px;
        width: 1000px;
        text-transform: uppercase
    }

    .hd-wrap-white .hd {
        margin: auto;
        text-align: center;
        position: relative;
    }

        .hd-wrap-white .hd h2 {
            font-size: 50px;
            font-weight: 700;
            letter-spacing: 6px;
            color: #fff
        }

        .hd-wrap-white .hd span {
            color: #fff;
            font-size: 16px;
            display: block;
            letter-spacing: 2px;
        }
/*..........班级内容............*/
.class-block {
    clear: both;
    margin: 50px auto 0 auto;
    width: 1300px;
    position: relative;
}

    .class-block ul {
        display: flex;
        justify-content: space-between;
    }

.class-cont {
}
/*..........套餐说明............*/

.class-block li {
    color: #444;
    position: relative;
    background: #e6e1db;
    width: 318px;
    padding: 10px;
    box-sizing: border-box;
}

    .class-block li:nth-child(2) {
        background: #e6e9f0;
    }

    .class-block li:nth-child(3) {
        background: #e1e8e3;
    }

    .class-block li:nth-child(4) {
        background: #eae3e3;
    }

.class-block ul li .hd-tit {
    background: linear-gradient(90deg,rgba(215,162,95,1) 0,rgba(249,215,152,1) 100%);
    color: #fff;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    position: relative;
}

.class-block li .hd-tit .tit-wrap {
    padding: 20px 30px
}

    .class-block li .hd-tit .tit-wrap em {
        font-size: 16px;
        font-weight: bold;
        background: #fff;
        padding: 2px 10px;
        color: #fb8f55;
        margin-left: 10px;
        display: block;
        float: left;
        border-top-left-radius: 10px;
        border-bottom-right-radius: 10px;
        border-top-right-radius: 2px;
        border-bottom-left-radius: 2px;
        font-weight: bold;
        font-family: "微软雅黑";
        position: absolute;
        top: 15px;
        left: 125px;
    }

    .class-block li .hd-tit .tit-wrap h3 {
        font-size: 30px;
        font-weight: bold;
        text-shadow: 3px 6px 15px rgba(0,0,0,.2);
        letter-spacing: 2px;
        margin-bottom: 5px;
        font-family: "Microsoft Yahei";
    }

    .class-block li .hd-tit .tit-wrap span {
        display: inline-block;
        overflow: hidden;
        font-weight: bold;
        font-size: 16px;
    }

.class-block .center {
    position: relative;
    z-index: 9;
}

.class-block li.center .hd-tit {
    background: linear-gradient(90deg,rgba(96,115,255,1) 0,rgba(127,148,254,1) 100%);
}

.class-block li.right .hd-tit {
    background: linear-gradient(90deg,rgba(231,62,78,1) 0,rgba(255,100,134,1) 100%);
}
/*..........包含班级............*/
.class-block .class {
    padding: 15px;
    background: rgba(255, 255, 255, .5);
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, .5);
}

.class-block .tit {
    padding: 0 0 10px 0;
    color: #999
}

.class-block .my-price p {
    display: flex;
    align-items: center;
    padding: 5px 0;
    flex-direction: column;
}

.class-block .my-price {
    display: flex;
    justify-content: space-around;
}

    .class-block .my-price span b {
        color: #f35e5e;
        font-size: 16px;
    }

    .class-block .my-price em .myword {
        position: absolute;
        font-size: 12px;
        background: #1859de;
        border-radius: 20px;
        padding: 0 5px 1px 5px;
        width: 100px;
        top: 18px;
        left: 0;
        color: #fff
    }
/*  */
.period {
    display: flex;
    justify-content: space-between;
}

    .period p {
        display: flex;
    }

        .period p span {
            display: flex;
            align-items: center;
        }

            .period p span em {
                width: 20px;
                height: 20px;
            }

            .period p span b {
                color: #666;
                font-weight: normal;
            }

            .period p span em.days {
                background: url(/Content/images/baozhang.png) no-repeat 2px top / 42px;
                margin-right: 3px;
            }

            .period p span em.huabai {
                background: url(/Content/images/baozhang.png) no-repeat right top / 42px;
                margin-right: 5px;
            }
/*  */
.class-text {
    line-height: 30px;
    display: flex;
    align-items: center;
}

    .class-text p {
        padding: 15px 30px 0 30px;
    }

        .class-text p b {
            color: #f35e5e
        }

        .class-text p em {
            color: #004fff;
            font-size: 16px
        }

        .class-text p span {
            display: block;
            width: 200px;
            float: left
        }

        .class-text p i {
            display: inline-block;
            font-weight: bold;
            background: linear-gradient(to right, #e00, #f35e5e);
            width: 20px;
            height: 20px;
            line-height: 20px;
            font-size: 12px;
            border-radius: 50%;
            margin-right: 10px;
            text-align: center;
            color: #fff
        }

    .class-text .zero {
        width: 60px;
        height: 60px;
        font-size: 16px;
        color: #2a4ddd;
        border-radius: 50%;
        border: 2px solid #2a4ddd;
        float: left;
        margin: 0 10px 0 0px;
        text-align: center;
        line-height: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .class-text .list {
        padding: 0px 0 0 0;
        line-height: 21px
    }
/*  */
.class_course {
    padding: 10px;
    background: linear-gradient(to top, #c6b8b8, rgba(255,255,255,0));
    margin-bottom: 30px;
    border-radius: 8px;
}

.c-list {
}

    .c-list dl {
        padding: 0px 0 0px 0px;
        font-size: 14px;
        background: rgba(255,255,255,.5);
        border-radius: 6px;
        margin-bottom: 10px;
        display: flex;
        overflow: hidden;
    }

    .c-list dt {
        color: #999;
        position: relative;
        text-align: center;
        color: #fff;
        padding: 10px 0;
        width: 40px;
        display: flex;
        align-items: center;
    }

    .c-list dl:nth-child(1) dt {
        background: linear-gradient(336deg,#44e9ff 0.43%,#0d9eec 72.39%);
    }

    .c-list dl:nth-child(2) dt {
        background: linear-gradient(336deg,#44c2ff 0.43%,#4447ff 72.39%);
    }

    .c-list dl:nth-child(3) dt {
        background: linear-gradient(161deg,#47b070 37.16%,#5ea669 101.91%)
    }

    .c-list dl:nth-child(4) dt {
        background: linear-gradient(165deg,#d76705 28.38%,#ff9c31 93.03%);
    }

    .c-list dl:nth-child(5) dt {
        background: linear-gradient(165deg,#bd0000 28.38%,#ff6363 93.03%);
    }

    .c-list dd {
        display: flex;
        flex-wrap: wrap;
        flex: 1;
        padding: 10px;
        align-items: center;
        border: 1px solid rgba(255,255,255,.3)
    }

        .c-list dd span {
        }

            .c-list dd span em {
                padding: 0 2px;
                color: #04ad67;
                border: 1px solid #04ad67;
                margin-left: 5px;
                font-size: 12px;
                float: right;
                opacity: .6;
            }

            .c-list dd span i {
                padding: 0 2px;
                color: #f52f3e;
                border: 1px solid #f52f3e;
                font-size: 12px;
                opacity: .6;
                border-radius: 2px;
                margin-left: 5px;
                display: none;
            }

    .c-list p {
        width: 50%;
        line-height: 30px;
    }

.small_hd {
    margin-bottom: 10px;
    font-size: 22px;
    font-weight: bold;
}

/*  */
.book_b {
    border-radius: 8px;
    background: rgba(255,255,255,.6);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin-bottom: 30px;
}

.book_pic {
    height: 185px;
    background: url(/Content/images/introduce/zhongji/zj_b.jpg) no-repeat center / 100%;
}

.book_b p {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 15px;
    line-height: 24px;
}

    .book_b p span {
        width: 48%;
    }
/*  */

/*  */
.one_one {
    background: rgba(255,255,255,.5);
    padding: 15px 15px 0 15px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.5);
}

    .one_one dl {
        text-align: center;
        border-radius: 10px;
        overflow: hidden;
        margin-bottom: 15px;
        box-shadow: 0 0 20px rgba(0, 0, 0, );
        border: 1px solid rgba(255,255,255,.5)
    }

        .one_one dl dt {
            background: #e7d4cc;
            line-height: 30px;
            color: #a47b7b;
        }

        .one_one dl dd {
            background: linear-gradient(161deg,#fff9f7,#f4e8e3);
            line-height: 45px;
            font-size: 16px;
            font-weight: bold;
            color: #d06658;
        }

        .one_one dl:nth-child(2) dt {
            background: #ccd0e7;
            color: #5e5d9f;
        }

        .one_one dl:nth-child(2) dd {
            background: linear-gradient(161deg,#f9f7ff,#dee2f9);
            color: #4f7de3;
        }

.two_list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

    .two_list dl {
        width: 46%
    }

        .two_list dl:nth-child(2) dt {
            background: #e7d4cc;
            color: #a47b7b;
        }

        .two_list dl:nth-child(2) dd {
            background: linear-gradient(161deg,#fff9f7,#f4e8e3);
            color: #d06658;
        }

.one_one_tit {
    height: 45px;
    background: linear-gradient(to right,#004fff,#f52f3e);
    border-top-right-radius: 10px;
    border-top-left-radius: 10px;
    position: relative;
}

    .one_one_tit::after {
        width: 253px;
        height: 61px;
        background: url(/Content/images/introduce/zhongji/1v1.png) no-repeat center bottom / 190px;
        content: "";
        display: block;
        position: absolute;
        bottom: 0;
        left: 15px
    }

.promise {
    background: linear-gradient(to right,#f06565,#ffbb9e);
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    margin: 0 0 15px 0;
    padding: 5px;
    position: relative;
    padding-left: 95px;
}

    .promise::after {
        width: 61px;
        height: 50px;
        background: url(/Content/images/zhongji/hd_ico.png) no-repeat center;
        position: absolute;
        left: 25px;
        top: -10px;
        content: "";
        display: block;
    }


/*  */
.special {
    background: linear-gradient(-60deg,#a46b47,#fdd2b9);
    border-radius: 8px;
    margin-top: 10px;
    position: relative;
    color: #84413e;
}

    .special::after {
        background: url(/Content/images/myj_book_ico.png) no-repeat right center / 70px;
        display: block;
        content: "";
        width: 80px;
        height: 75px;
        position: absolute;
        right: 14px;
        top: 10px;
    }

    .special p {
        padding: 13px 0 10px 15px;
        border-radius: 5px;
    }

        .special p span {
            font-size: 15px;
            margin-bottom: 5px;
            display: block;
        }

        .special p em {
            display: flex;
            align-items: center;
        }

            .special p em b {
                font-size: 20px;
            }

                .special p em b::before {
                    font-size: 14px;
                    content: "¥";
                }

/*  */
/*  */
.class-block .class-cont .class .c-list {
    clear: both;
    padding: 5px 0 0 0;
    height: 510px;
}

    .class-block .class-cont .class .c-list dl {
        padding: 0px 0 0px 0px;
        font-size: 14px;
        background: rgba(255, 255, 255, .5);
        border-radius: 6px;
        margin-bottom: 10px;
        display: flex;
        overflow: hidden;
    }

    .class-block .class-cont .class .c-list dt {
        color: #999;
        position: relative;
    }

        .class-block .class-cont .class .c-list dt::before {
            content: "";
            position: absolute;
            left: -17px;
            background: #f09090;
            display: block;
            width: 3px;
            height: 21px;
            top: 0
        }

    .class-block .class-cont .class .c-list dd {
        padding: 0 0 0 10px
    }

        .class-block .class-cont .class .c-list dd span {
        }

            .class-block .class-cont .class .c-list dd span em {
                padding: 0 2px;
                color: #04ad67;
                border: 1px solid #04ad67;
                margin-left: 5px;
                font-size: 12px;
                float: right;
                opacity: .6;
            }

            .class-block .class-cont .class .c-list dd span i {
                padding: 0 2px;
                color: #f52f3e;
                border: 1px solid #f52f3e;
                margin-left: 5px;
                font-size: 12px;
                float: right;
                opacity: .6
            }

    .class-block .class-cont .class .c-list p {
        margin-top: 5px;
    }

.small_hd {
    margin-bottom: 10px;
    font-size: 22px;
    font-weight: bold;
}
/*  */
/*..........服务保障............*/
.class-block .service {
    position: relative;
}

    .class-block .service p {
        margin-bottom: 8px;
        line-height: 20px
    }

        .class-block .service p i {
            display: inline-block;
            background: #427cff;
            width: 16px;
            height: 16px;
            line-height: 16px;
            border-radius: 50%;
            margin-right: 5px;
            text-align: center;
            color: #fff
        }

    .class-block .service dl {
        padding: 0 0 5px 0
    }

        .class-block .service dl dd {
            padding: 5px 0 0 14px;
            color: #666
        }

        .class-block .service dl dt {
            background: #fff;
            font-weight: bold;
        }

    .class-block .service .tag {
        overflow: hidden;
        display: flex;
        flex-wrap: wrap;
        align-content: flex-start;
    }

        .class-block .service .tag b {
            display: block;
            padding: 0 0 0 18px;
            margin-bottom: 10px;
            position: relative;
            font-weight: normal;
            width: 50%;
            box-sizing: border-box;
        }

            .class-block .service .tag b:after {
                content: "√";
                font-family: "宋体";
                width: 11px;
                font-size: 11px;
                height: 11px;
                overflow: hidden;
                border: 1px solid #777;
                display: block;
                position: absolute;
                left: 0;
                top: 4px;
                font-weight: normal;
                border-radius: 1px;
            }
/*  */
.tiku_block {
    position: relative;
    padding: 15px 0 0 15px;
    border: 1px solid rgba(255,255,255,.5);
    background: rgba(255,255,255,.5);
    margin-bottom: 20px;
    border-radius: 8px;
}

    .tiku_block p {
        margin-bottom: 8px;
        line-height: 20px
    }

        .tiku_block p i {
            display: inline-block;
            background: #427cff;
            width: 16px;
            height: 16px;
            line-height: 16px;
            border-radius: 50%;
            margin-right: 5px;
            text-align: center;
            color: #fff
        }

    .tiku_block dl {
        padding: 0 0 10px 0
    }

        .tiku_block dl dd {
            padding: 5px 0 0 0;
            color: #666;
            display: flex;
            flex-wrap: wrap;
        }

        .tiku_block dl dt {
            font-weight: bold;
        }

    .tiku_block .tag {
        overflow: hidden;
        display: flex;
        flex-wrap: wrap;
        align-content: flex-start;
    }

    .tiku_block dl dd i {
        display: block;
        padding: 0 0 0 18px;
        position: relative;
        font-weight: normal;
        width: 50%;
        box-sizing: border-box;
        line-height: 30px;
    }

    .tiku_block .tag b:after {
        content: "√";
        font-family: "宋体";
        width: 11px;
        font-size: 11px;
        height: 11px;
        overflow: hidden;
        border: 1px solid #777;
        display: block;
        position: absolute;
        left: 0;
        top: 4px;
        font-weight: normal;
        border-radius: 1px;
    }


/*..........服务保障............*/

.class-block .price {
    clear: both;
    padding: 20px;
    height: 35px;
}

    .class-block .price span {
        display: block;
        float: left;
        font-size: 20px;
        line-height: 35px
    }

        .class-block .price span b {
            color: #427cff
        }

    .class-block .price em {
        float: right;
        display: block;
    }

        .class-block .price em a {
            display: block;
            width: 100px;
            height: 35px;
            text-align: center;
            line-height: 35px;
            background: #ff8400;
            border-radius: 30px;
            font-size: 16px;
            color: #fff;
            border: none
        }

    .class-block .price:hover {
        background: #f5f5f5
    }

.why-why {
    height: 1170px;
    background: url(/content/images/introduce/zhongji/middle-why-bg.jpg) no-repeat center top;
    overflow: hidden;
}

    .why-why .power {
        width: 1080px;
        margin: auto;
        overflow: hidden;
    }

        .why-why .power li {
            float: left;
            width: 260px;
            height: 350px;
            margin: 0 50px;
            margin-top: 60px;
            transition: all 0.5s
        }

            .why-why .power li h3 {
                width: 227px;
                height: 227px;
                background: url(/content/images/introduce/zhongji/middle-sr-bg.png) no-repeat center;
                font-size: 22px;
                font-weight: bold;
                color: #3c8feb;
                overflow: hidden;
                text-align: center;
                margin: auto
            }

                .why-why .power li h3 span {
                    display: block;
                    margin-top: 130px
                }

            .why-why .power li p {
                color: #fff;
                font-size: 15px;
                font-family: "黑体";
                margin-top: 50px;
                line-height: 24px;
            }

            .why-why .power li:hover {
                margin-top: 40px
            }

.compare {
    width: 1105px;
    margin: auto;
    margin-top: 100px
}

    .compare li {
        float: left;
        background: #fff;
        width: 170px;
        font-size: 18px;
        text-align: center;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
        position: relative;
        line-height: 40px;
        transition: all 0.5s
    }

        .compare li h3 {
            font-size: 24px;
            font-weight: bold;
            height: 70px;
            line-height: 70px;
            text-align: center;
        }

        .compare li p {
            border-top: 1px solid #e8e6e8;
            padding: 20px 30px;
            height: 40px;
        }

        .compare li:nth-child(1) {
            width: 170px;
        }

        .compare li:nth-child(2) {
            width: 225px;
        }

        .compare li:nth-child(3) {
            width: 340px;
            background: #ff6600;
            z-index: 9;
            color: #fff;
            height: 440px;
            top: -30px
        }

            .compare li:nth-child(3) h3 {
                height: 100px;
            }

            .compare li:nth-child(3) p {
                border-top: 1px solid #d35400
            }

            .compare li:nth-child(3):hover .fix-pic {
                top: -20px;
            }

        .compare li:nth-child(4) {
            width: 370px;
            font-size: 15px;
            line-height: 22px;
            text-align: left
        }

        .compare li .fix-pic {
            width: 95px;
            height: 93px;
            background: url(/content/images/introduce/zhongji/middle-go-pic.png) no-repeat;
            position: absolute;
            top: -10px;
            right: -20px;
            transition: all 0.5s
        }

        .compare li:hover {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }

.policy {
    height: 750px;
}

.policy-block {
    width: 1020px;
    margin: auto;
    clear: both;
    padding-top: 80px
}

    .policy-block li {
        width: 326px;
        float: left;
        background: #fff;
        position: relative;
    }

        .policy-block li h3 {
            height: 120px;
            line-height: 120px;
            font-size: 30px;
            color: #fff;
            background: #2c53de;
            font-weight: bold;
            text-align: center;
            background: linear-gradient(to right, #2a4ddd, #419beb);
        }

        .policy-block li p {
            font-size: 18px;
            height: 190px;
            padding: 65px 40px 0 40px;
            line-height: 40px
        }

        .policy-block li span {
            display: block;
            background: #2c53de;
            text-align: center;
        }

            .policy-block li span a {
                display: block;
                font-size: 16px;
                color: #fff;
                padding: 15px 0;
                background: linear-gradient(to right, #419beb, #2c53de);
            }

                .policy-block li span a:hover {
                    background: linear-gradient(to right, #2a4ddd, #419beb);
                }

        .policy-block li.center {
            width: 360px;
            top: -30px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
            z-index: 9;
        }

            .policy-block li.center p {
                font-size: 18px;
                height: 280px;
                padding: 20px 40px 20px 40px;
                line-height: 40px;
            }

.strategy {
    height: 984px;
    background: url(/content/images/introduce/zhongji/middle-strategy-bg.jpg) no-repeat center top;
    overflow: hidden;
}

    .strategy .list {
        width: 1200px;
        margin: auto;
        padding-top: 50px
    }

        .strategy .list li {
            width: 375px;
            float: left;
        }

            .strategy .list li h3 {
                line-height: 70px;
                font-size: 30px;
                font-weight: bold;
                background: #fe7e17;
                color: #fff;
                text-align: center;
                text-shadow: 0 5px 10px rgba(124, 67, 1, 0.774);
                letter-spacing: 3px
            }

        .strategy .list dl {
            overflow: hidden;
            background: #fff;
            border-bottom: 1px solid #ddd;
            box-shadow: 0 10px 10px rgba(0, 0, 0, 0.2);
            background: #fff url(/content/images/introduce/zhongji/opacity-80.png)
        }

            .strategy .list dl dt {
                float: left;
                border-right: 1px solid #ddd;
                font-size: 16px;
                width: 34px;
                text-align: center;
                color: #9a775b;
                font-weight: bold;
                transition: all 0.3s;
                height: 60px;
                padding-top: 18px
            }

            .strategy .list dl dd {
                float: left;
                font-size: 14px;
                width: 340px;
                color: #333
            }

                .strategy .list dl dd p {
                    line-height: 24px;
                    padding: 15px 20px 15px 30px;
                }

                    .strategy .list dl dd p i {
                        margin-bottom: 10px;
                        display: block
                    }

        .strategy .list li span {
            display: block;
            padding: 10px;
            font-size: 18px;
            font-weight: bold;
            color: #fff;
            background: #fe7e17;
            text-align: center
        }

        .strategy .list li dl:hover dt {
            background: #fff;
        }

        .strategy .list li dl:hover dd {
            background: #f0f0f0;
        }

.five-step {
    clear: both;
    height: 686px;
    padding-top: 30px;
    background: url(/content/images/introduce/zhongji/middle-step-bg.jpg) no-repeat center top;
    overflow: hidden;
}

.step {
    width: 1300px;
    margin: auto;
    padding-top: 50px
}

    .step li {
        width: 190px;
        height: 220px;
        float: left;
        margin: 0 20px;
        padding: 50px 0 0 25px;
        background: #387ce5;
        background: linear-gradient(to bottom, #2a4ddd, #419beb);
        color: #fff;
        position: relative;
        box-shadow: 0 10px 20px rgba(0, 8, 78, 0.4);
        transition: all 0.3s
    }

        .step li .num {
            width: 110px;
            height: 70px;
            over-flow: hidden;
            background: url(/content/images/introduce/zhongji/middle-up-ico.png) no-repeat 75px 25px;
            font-size: 72px;
            position: absolute;
            left: 25px;
            top: -40px;
            letter-spacing: -2px;
            font-family: "黑体";
            transform: scale(1,1.2);
            transition: all 0.5s;
            text-shadow: 0 10px 20px rgba(7, 0, 112, 0.4)
        }

        .step li h3 {
            font-size: 30px;
            font-weight: bold;
            text-shadow: 0 0 10px rgba(0, 0, 0, 0.2)
        }

        .step li em {
            display: block;
            height: 3px;
            background: #fe7e17;
            width: 50px;
            margin-bottom: 15px;
            margin-left: 5px
        }

        .step li p {
            font-size: 16px;
            line-height: 26px;
            margin-top: 5px;
            opacity: 0.7;
        }

        .step li span {
            font-size: 16px;
            display: block;
            background: #3269e2;
            text-align: center;
            padding: 7px 5px;
            position: absolute;
            width: 190px;
            left: -3px;
            bottom: 0
        }

        .step li:hover .num {
            background: url(/content/images/introduce/zhongji/middle-up-ico.png) no-repeat 75px 15px;
            top: -50px
        }

        .step li:hover {
            padding-top: 45px;
        }

/*----------mess-----*/
.mess {
    height: 235px;
    background: url(/content/images/introduce/zhongji/mess-bg.jpg) no-repeat center;
    overflow: hidden;
}

    .mess h3 {
        font-size: 35px;
        color: #fff;
        text-align: center;
        letter-spacing: 3px;
        margin: 50px 0 40px 0;
        font-weight: bold;
    }

    .mess ul {
        width: 990px;
        margin: auto;
    }

        .mess ul li {
            width: 250px;
            float: left;
            margin: 0 15px;
            background: #fff;
            border-radius: 3px;
            overflow: hidden;
        }

            .mess ul li span {
                display: block;
                float: left;
                font-size: 16px;
                color: #777;
                width: 80px;
                padding-left: 10px;
                text-align: center;
                height: 40px;
                line-height: 40px;
            }

            .mess ul li .input {
                float: left;
                width: 160px;
                height: 40px;
                line-height: 40px;
                font-size: 16px;
                border: none;
                backgroun: none;
                color: #ff1d1d
            }

            .mess ul li.btn {
                width: 120px;
                background: #ff1d1d
            }

                .mess ul li.btn input {
                    width: 120px;
                    background: #ff1d1d;
                    height: 40px;
                    font-size: 18px;
                    font-weight: bold;
                    color: #fff;
                    text-align: center;
                    border: none;
                    cursor: pointer;
                }

            .mess ul li:hover {
                box-shadow: 0 0px 20px rgba(0, 0, 0, 0.6)
            }

.lecturer-team {
    height: 700px;
    background: url(/content/images/introduce/zhongji/try-line-bg.png) no-repeat center 200px;
    transition: all 4s
}

    .lecturer-team:hover {
        background: url(/content/images/introduce/zhongji/try-line-bg.png) no-repeat center 150px
    }

.lecturer {
    width: 1240px;
    margin: 100px auto 0 auto;
}

    .lecturer li {
        float: left;
        width: 280px;
        height: 390px;
        background: url(/content/images/introduce/zhongji/try-pic-bg.png) no-repeat center;
        position: relative;
        margin: 0 15px;
    }

        .lecturer li:hover .pic {
            left: -10px;
            transition: all 0.4s
        }

        .lecturer li .pic {
            width: 280px;
            height: 355px;
            overflow: hidden;
            position: absolute;
            left: 0;
            bottom: 94px;
            transition: all 0.4s
        }

            .lecturer li .pic img {
                display: block;
                margin: auto;
                width: 200px;
            }

        .lecturer li h3 {
            position: absolute;
            bottom: 45px;
            left: 25px;
            font-size: 24px;
            font-weight: bold;
            color: #fff;
            text-shadow: 3px 6px 15px rgba(0,0,0,.4);
            letter-spacing: 2px
        }

        .lecturer li p {
            position: absolute;
            bottom: 20px;
            left: 25px;
            font-size: 16px;
            color: #fff;
        }

        .lecturer li:hover span {
            right: -10px;
            transition: all 0.4s
        }

        .lecturer li span {
            display: block;
            width: 110px;
            height: 38px;
            position: absolute;
            bottom: 25px;
            right: -5px;
            transition: all 0.4s
        }

            .lecturer li span a {
                display: block;
                padding: 5px 0 6px 13px;
                color: #fff;
                font-size: 16px;
                background: #fb0735 url(/content/images/introduce/zhongji/play-ico-w.png) no-repeat 83px center;
            }


.lecturer-list {
    position: relative;
    overflow: hidden;
    width: 1260px;
    margin: auto;
    padding-top: 30px;
    z-index: 99999;
}

    .lecturer-list li {
        float: left;
        width: 300px;
        margin-right: 20px;
        overflow: hidden;
    }

        .lecturer-list li .pic {
            height: 280px;
            overflow: hidden;
        }

        .lecturer-list li img {
            width: 60%;
            display: block;
            margin: 30px auto 0 auto;
            transition: all 0.2s;
        }

        .lecturer-list li:hover img {
            margin-top: 20px;
        }

        .lecturer-list li .describe {
            background: linear-gradient(to bottom, #eee, #fff);
            box-shadow: 0 -10px 10px rgba(0, 0, 0, 0.1);
            position: relative;
            height: 150px;
        }

            .lecturer-list li .describe h3 {
                font-size: 20px;
                position: absolute;
                top: -190px;
                writing-mode: tb-rl;
                right: 55px;
                font-family: "宋体";
                font-weight: bold;
            }

            .lecturer-list li .describe span {
                font-size: 15px;
                position: absolute;
                top: -170px;
                writing-mode: tb-rl;
                right: 35px;
                color: #666;
            }

            .lecturer-list li .describe dl {
                padding: 20px;
            }

                .lecturer-list li .describe dl dt {
                    height: 28px;
                    font-weight: bold
                }

                    .lecturer-list li .describe dl dt em {
                        font-size: 14px;
                        background: #545c7b;
                        height: 28px;
                        padding: 0 10px;
                        line-height: 28px;
                        color: #fff;
                        float: left;
                        display: block;
                    }

                    .lecturer-list li .describe dl dt b {
                        font-size: 14px;
                        border: 1px solid #545c7b;
                        height: 26px;
                        padding: 0 10px;
                        line-height: 26px;
                        color: #545c7b;
                        float: left;
                        display: block;
                    }

                .lecturer-list li .describe dl dd {
                    color: #666;
                    font-size: 12px;
                    margin-top: 10px;
                    line-height: 20px;
                }

#lect-scroll {
    z-index: 0;
}

.lecturerUL {
    position: relative;
    width: 2800px;
    float: left
}

.prev {
    left: 0px;
    top: 180px;
    align-items: center;
}

.next {
    right: 0px;
    top: 180px;
    align-items: center;
}

.prev, .next {
    width: 30px;
    height: 60px;
    display: flex;
    color: #000;
    background: #333;
    text-align: center;
    font-family: "宋体";
    font-size: 50px;
    position: absolute;
    justify-content: center;
    font-weight: normal;
    opacity: 0;
    z-index: 99999;
}

    .prev:hover, .next:hover {
        color: #000
    }

.lecturer-list:hover .prev, .lecturer-list:hover .next {
    opacity: .3;
    color: #fff
}


.teacher-list-js {
    width: 1130px;
    margin: 0 auto;
    padding-bottom: 50px;
}

.tea-list {
    position: relative;
    display: block;
    height: 290px;
    overflow: hidden
}

    .tea-list img {
        position: absolute;
        cursor: pointer;
        left: 33px;
    }
        /*.tea-list img.t1-curr { -webkit-filter: blur(10px); -moz-filter: blur(10px); -ms-filter: blur(10px); filter: blur(10px); filter:progid:DXImageTransform.Microsoft.Blur(PixelRadius='10');}*/
        .tea-list img.t1-curr {
            opacity: 0.5;
        }

    .tea-list a.on img {
        opacity: 1;
    }

#tea-list_tt .tea-txt {
    display: block;
}

.tea-list .t2 {
    left: 203px;
    transform: scale(0.95);
}

.tea-list .t3 {
    left: 129px;
    transform: scale(0.9);
}

.tea-list .t4 {
    left: 367px;
    transform: scale(0.96);
}

.tea-list .t5 {
    left: 541px;
    transform: scale(0.9);
}

.tea-list .t6 {
    left: 880px;
}

.tea-list .t7 {
    left: 669px;
    transform: scale(0.9);
}

.tea-list .t8 {
    left: 565px;
}

.tea-list .t9 {
    left: 366px;
    bottom: -70px;
    transform: scale(0.95);
}

.tea-list .t10 {
    left: 465px;
}

.tea-list .t11 {
    left: 715px;
}

.tea-txt {
    padding: 15px 0;
    background-image: linear-gradient(to right, #409aeb, #387ee6);
}

.tea-details li {
    height: 34px;
    margin-left: 30px;
    padding-left: 249px;
    font-size: 16px;
    line-height: 24px;
}

.tea-details .tea-name {
    width: 140px;
    position: absolute;
    padding-left: 0;
    border-left: none;
}

.tea-name span {
    color: #fff;
    font-size: 28px;
    text-align: center;
    line-height: 76px;
    position: absolute;
    top: -25px;
    display: block;
    width: 216px;
    height: 76px;
    background: url(/content/images/introduce/zhongji/ls_mc_bj.png)no-repeat center;
}

.tea-name p {
    position: absolute;
    top: 63px;
    left: 13px;
    text-align: center;
    display: block;
    font-size: 18px;
    font-weight: bold;
}

.tea-red {
    color: #e34448;
}

.tea-ash {
    color: #fff;
}

.tea-black {
    color: #fff;
    font-weight: 600;
}

.tea-ico {
    position: absolute;
    top: 26px;
    right: 60px;
}

    .tea-ico a {
        background: #ff463f;
        background-image: linear-gradient(120deg, #f21a3e, #ff463f);
        width: 150px;
        height: 50px;
        display: block;
        color: #fff;
        text-align: center;
        line-height: 48px;
        font-size: 18px;
        border-radius: 30px;
        box-shadow: 0 5px 30px #fcb9c1;
    }

        .tea-ico a:hover {
            background-image: linear-gradient(120deg, #ff2121, #ff6535);
        }

.class-main_s {
    background-color: #2d47c6;
}

    .class-main_s .ydtk {
        width: 1200px;
        margin: 0 auto;
        padding: 60px 0;
        display: flex;
    }

        .class-main_s .ydtk .zn_tk_js {
            padding-left: 120px;
        }

            .class-main_s .ydtk .zn_tk_js h4 {
                font-size: 42px;
                font-weight: bold;
                color: #fff;
                padding-bottom: 60px;
            }

            .class-main_s .ydtk .zn_tk_js p {
                font-size: 20px;
                color: #fff;
                padding-bottom: 40px;
            }

            .class-main_s .ydtk .zn_tk_js .ewm {
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding-top: 20px;
            }

                .class-main_s .ydtk .zn_tk_js .ewm p {
                    font-size: 16px;
                    text-align: center;
                }

.class-main_z {
    background: url(/content/images/introduce/zhongji/tsfw.jpg)no-repeat center;
    height: 684px;
}


.app-down {
    height: 655px;
    background: #222 url(/content/images/introduce/zhongji/try-app-down.jpg) no-repeat center
}

.try-advantage {
    height: 410px;
    background: url(/content/images/introduce/zhongji/try-ico096.jpg) no-repeat center
}

.advantage {
    width: 1200px;
    margin: auto;
}

    .advantage li {
        width: 25%;
        float: left;
        height: 410px;
        text-align: center;
        color: #fff;
        opacity: 0.7;
    }

        .advantage li em {
            display: block;
            font-size: 18px;
            margin: 55px 0 0 0;
            letter-spacing: 2px
        }

        .advantage li h3 {
            width: 125px;
            height: 100px;
            padding-top: 25px;
            font-size: 40px;
            line-height: 40px;
            border: 1px solid #fff;
            color: #fff;
            border-radius: 50%;
            margin: 40px auto 0 auto;
            letter-spacing: 2px;
            font-family: "宋体";
            text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            transition: all 0.2s
        }

        .advantage li i {
            width: 60px;
            height: 3px;
            background: #fff;
            display: block;
            margin: 30px auto 0 auto;
            border-radius: 3px
        }

        .advantage li p {
            font-size: 16px;
            letter-spacing: 2px;
            line-height: 26px;
            margin-top: 25px;
            transition: all 0.8s
        }

        .advantage li:hover h3 {
            margin: 30px auto 0 auto;
        }

        .advantage li:hover p {
            margin: 30px auto 0 auto;
            margin-top: 20px;
        }

.footer {
    overflow: hidden;
    background: #242424
}

.footer-cont {
    width: 1200px;
    box-sizing: border-box;
    margin: auto;
    padding: 0 0 30px 240px;
    background: url(/content/images/introduce/zhongji/footer-logo.png) no-repeat left 50px;
    position: relative;
    overflow: hidden
}

    .footer-cont .fix-up {
        position: absolute;
        right: 0;
        top: 55px;
        transition: all 0.1s
    }

        .footer-cont .fix-up a {
            border: 1px solid #f52f3e;
            padding: 2px 3px;
            font-size: 9px;
            color: #f52f3e;
        }

        .footer-cont .fix-up:hover {
            position: absolute;
            right: 0;
            top: 53px;
        }

.lightspot {
    padding: 40px 0 30px 0;
    border-bottom: 1px solid #333;
    overflow: hidden;
}

    .lightspot li {
        float: left;
        width: 185px;
        height: 55px;
        color: #ccc;
        background: url(/content/images/introduce/zhongji/lightspot-ico.png) no-repeat left 0px;
        padding-left: 65px;
        margin-right: 15px;
        overflow: hidden;
        box-sizing: border-box
    }

        .lightspot li:nth-child(2) {
            background: url(/content/images/introduce/zhongji/lightspot-ico.png) no-repeat left -71px
        }

        .lightspot li:nth-child(3) {
            background: url(/content/images/introduce/zhongji/lightspot-ico.png) no-repeat left -146px
        }

        .lightspot li:nth-child(4) {
            background: url(/content/images/introduce/zhongji/lightspot-ico.png) no-repeat left -219px
        }

        .lightspot li em {
            display: block;
            font-size: 15px;
            margin: 5px 0;
            color: #888;
        }

        .lightspot li i {
            display: block;
            font-size: 12px;
            color: #666;
        }

.links {
    margin-top: 30px;
}

    .links a {
        font-size: 12px;
        color: #666
    }

    .links span {
        padding: 0 20px;
        font-size: 11px;
        color: #333;
    }

.copyright {
    color: #555;
    font-size: 12px;
    line-height: 22px
}

    .copyright a {
        color: #555;
    }


.video-list dl a {
    color: #777;
    display: block;
    padding: 6px 0px 6px 15px;
    border-left: 3px solid #222;
    margin-left: 10px
}

    .video-list dl a span {
        color: #fff;
        background: #ff8400;
        padding: 0 5px 1px 5px;
        border-radius: 2px;
        line-height: 14px;
        font-size: 12px;
        margin-left: 5px;
    }