body,
html {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
}

html {
    overflow-y: scroll;
}

body,
input {
    font-size: 15px;
    font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
    -webkit-text-size-adjust: none;
    background-color: #fcfcfc;
}

dd,
dl,
dt,
form,
h1,
h2,
h3,
h4,
h5,
h6,
input,
li,
ol,
p,
select,
textarea,
ul {
    margin: 0;
    padding: 0;
    list-style: none;
    color: #666;
}

img {
    border: none;
}

input,
select,
textarea,
button {
    outline: 0;
    resize: none;
}

a:link,
a:visited {
    color: #282828;
    text-decoration: none;
}

::selection {
    background: rgba(254, 126, 0, 0.8);
}

::-moz-selection {
    background: rgba(254, 126, 0, 0.8);
}

.clearfix::after {
    clear: both;
    display: table;
    height: 0;
    content: "";
}

.red {
    color: red;
    font-weight: bold
}

.yw {
    color: #fba40e
}

[v-cloak] {
    display: none !important;
}

.fl {
    float: left
}

.fr {
    float: right
}

.x-con-full {
    width: 100%;
    margin: 0 auto;
    max-width: 1920px;
    position: relative;
}

.x-con-full .x-container {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.x-con {
    width: 1200px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.x-fadeUp {
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
}

.x-fadeUp:hover {
    transform: translateY(-10px);
    -webkit-transform: translateY(-10px);
    -moz-transform: translateY(-10px);
}

.x-banner {
    height: 480px;
    background: url(/public/images/teacher/x-banner1.jpg) no-repeat center center;
    width: 100%
}

.x-con-1 {
    width: 1200px;
    margin: auto;
    padding: 35px 0;
    font-size: 14px;
    color: #666;
}

.x-con-2 {
    padding: 25px 5px 0;
}

.x-con-2 .tea1-left img {
    box-shadow: 0 0 5px #999;
    cursor: pointer;
}

.tea1-right {
    padding: 38px 0 0 30px;
    color: #00375c;
    font-size: 20px;
    width: 820px;
}

.tea1-right span {
    font-size: 36px;
    font-weight: bold
}

.tea1-right p {
    font-size: 18px;
    color: #666;
    line-height: 40px;
    margin-bottom: 30px;
}

.tea1-right h3 {
    font-size: 24px;
    font-weight: 500;
    color: #666;
    line-height: 1.5;
    margin: 10px 0;
    padding: 10px;
    background: whitesmoke;
    text-shadow: 2px 2px 1px rgba(0, 0, 0, .1);
}

.tea1-right p b {
    font-weight: 500;
    background-color: #00375c;
    padding: 6px 20px;
    color: #fff;
    border-radius: 10px;
}

.tea2 {
    padding-top: 12px;
}

.tea2 span {
    font-size: 20px;
    font-weight: 500;
    text-align: center;
    width: 396px;
    height: 113px;
    display: block;
    float: left;
    background: url(/public/images/teacher/tea-art2-4.jpg) no-repeat center;
    color: #00375c;
    line-height: 30px;
    padding-top: 23px;
}

.tea2 span b {
    font-weight: bold;
}

/*// .tea3n img:nth-child(2), .tea3n img:nth-child(5){ margin:5px 6px;}*/
.tea3n img {
    -webkit-box-shadow: #e5e5e5 0px 0px 10px;
    -moz-box-shadow: #e5e5e5 0px 0px 10px;
    box-shadow: #e5e5e5 0px 0px 10px;
    border-radius: 10px;
    width: 48%;
    float: left;
    margin: 10px 1%;
}

.tea4 p {
    font-size: 20px;
    line-height: 30px;
    margin-bottom: 20px;
}

.x-con-3 {
    width: 1200px;
    margin: auto
}

@keyframes xopacity {
    0% {
        opacity: 0.2;
    }
    40% {
        opacity: 1;
    }
    60% {
        opacity: 1;
    }
    to {
        opacity: 0.2;
    }
}

@keyframes xadvert {
    0% {
        transform: rotate(10deg);
        transform-origin: center top;
    }
    50% {
        transform: rotate(-10deg);
        transform-origin: center top;
    }
    100% {
        transform: rotate(10deg);
        transform-origin: center top;
    }
}

.introductionSection {
    margin-bottom: 20px;
}

.introductionSection b {
    display: block;
    background: #eee;
    padding: 10px;
    font-size: 20px;
}

.introductionSection main {
    line-height: 1.8;
    font-size: 16px;
    padding: 10px 20px;
}