@charset "utf-8";
/* basic style */
html, body, h1, h2, h3, h4, ul, li, dl, input {
    font-family: "Noto Sans CJK SC", "Source Han Sans CN" !important;
    margin: 0px;
    padding: 0px;
}

html, body {
    width: 100%;
    height: 100%;
}

body {
    color: #333;
    background-color: #000;
}

p {
    margin-bottom: 0;
}

ul, dl, dd, h1, h2, h3, h4, h5, h6, form {
    padding: 0px;
    margin: 0px;
}

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

img {
    border: 0px;
    vertical-align: middle;
}

a {
    color: #333333;
    text-decoration: none;
}

.clear {
    clear: both;
}

a:hover, a:focus {
    text-decoration: none;
    outline: none;
}

.fl {
    float: left !important;
}

.fr {
    float: right !important;
}

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

.t-center2 {
    text-align: center;
    text-indent: 0 !important;
}

.bold {
    font-weight: bold;
}

.clearfix {
    zoom: 1;
    clear: both;
}

input[type=file]:focus, input[type=checkbox]:focus, input[type=radio]:focus {
    outline: none;
}

input[type=checkbox]:focus, input[type=checkbox]:active {
    background-color: #fff;
}

.col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-xs-1, .col-xs-10, .col-xs-11, .col-xs-12, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9 {
    height: 100%;
}

/*常用分辨率 1280~1920使用12~18字体*/
/*@media (min-width: 800px) and (max-width: 800px) {
    .base {
        font-size: 7.5px !important;
    }
}

@media (min-width: 1024px) and (max-width: 1024px) {
    .base {
        font-size: 14px !important;
    }
}

@media (min-width: 1280px) and (max-width: 1280px) {
    .base {
        font-size: 12px !important;
    }
}

@media (min-width: 1360px) and (max-width: 1360px) {
    .base {
        font-size: 12.75px !important;
    }
}

@media (min-width: 1366px) and (max-width: 1366px) {
    .base {
        font-size: 16px !important;
    }
}

@media (min-width: 1400px) and (max-width: 1400px) {
    .base {
        font-size: 13.125px !important;
    }
}

@media (min-width: 1440px) and (max-width: 1440px) {
    .base {
        font-size: 13.5px !important;
    }
}

@media (min-width: 1600px) and (max-width: 1600px) {
    .base {
        font-size: 15px !important;
    }
}

@media (min-width: 1680px) and (max-width: 1680px) {
    .base {
        font-size: 15.75px !important;
    }
}

@media (min-width: 1920px) and (max-width: 1920px) {
    .base {
        font-size: 18px !important;
    }
}

@media (min-width: 2560px) and (max-width: 2560px) {
    .base {
        font-size: 24px !important;
    }
}*/

/* page style */
.base {
    position: relative;
    font-size: 100%;
    height: 100%;
    overflow-y: auto;
}

.index-bg-pc {
    position: absolute;
    top: 0;
    z-index: 0;
    width: 100%;
    overflow: hidden;
}

.index-bg-pad {
    display: none;
    position: absolute;
    top: 0;
    z-index: 0;
    width: 100%;
    overflow: hidden;
}

.index-bg-phone {
    display: none;
    position: absolute;
    top: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000;
}

/* main_image */
.main_visual {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.main_image {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.main_image ul {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

.main_image li {
    float: left;
    width: 100%;
    height: 100%;
}

.main_image li span {
    display: block;
    width: 100%;
    height: 100%;
}

.main_image li a {
    display: block;
    width: 100%;
    height: 100%;
}

.main_image li .img_1 {
    background: url(../img/phone-bg-01.jpg) center no-repeat;
}

.main_image li .img_2 {
    background: url(../img/phone-bg-02.jpg) center no-repeat;
}

.main_image li .img_3 {
    background: url(../img/phone-bg-03.jpg) center no-repeat;
}

.main_image li .img_4 {
    background: url(../img/phone-bg-04.jpg) center no-repeat;
}

.main_image li .img_5 {
    background: url(../img/phone-bg-05.jpg) center no-repeat;
}


div.flicking_con {
    position: absolute;
    top: -1.5em;
    left: -1.5em;
    width: 1.5em;
    height: 1.5em;
    z-index: 999;
}

div.flicking_con a {
    float: left;
    display: block;
    width: 1.5em;
    height: 1.5em;
    margin: 0;
    padding: 0;
}

#btn_prev, #btn_next {
    display: none;
    position: absolute;
    z-index: 11111;
}

#btn_prev {
    left: 1em;
}

#btn_next {
    right: 1em;
}

.index-logo1 {
    position: absolute;
    left: 4em;
    top: 3em;
    width: 17.5em;
    height: 3.25em;
    background: url(../img/index-logo1.png) center no-repeat;
    background-size: 100%;
    z-index: 9999;
}

.index-box {
    position: relative;
    width: 100%;
    height: calc(100% - 80px);
    overflow: hidden;
}

.index-logo2 {
    position: absolute;
    left: 10em;
    top: 16em;
    width: 33em;
    height: 11.6em;
    background: url(../img/index-logo2.png) center no-repeat;
    background-size: 100%;
    z-index: 9999;
}

.index-nav {
    position: absolute;
    width: 80em;
    left: 50%;
    margin-left: -40em;
    bottom: 4em;
    text-align: center;
    z-index: 9999;
}

.index-nav li {
    float: left;
    margin: 2em 3em 0 3em;
}

.index-nav a {
    float: left;
    position: relative;
    display: block;
    color: #51f4f4;
    background: url(../img/index-menu.png) center no-repeat;
    text-shadow: 0px 0px 1em #fff;
    width: 14em;
    height: 4.5em;
    line-height: 4.5em;
    background-size: 14em 4.5em;
    text-align: center;
}

.index-nav a span {
    font-size: 1.75em;
}

.nav-layer {
    display: none;
    position: absolute;
    width: 200px;
    left: 50%;
    margin-left: -100px;
    bottom: 70px;
    background: url(../img/nav-hover-icon.png) center bottom no-repeat;
    font-size: 15px;
    line-height: 24px;
    text-align: left;
}

.nav-layer-text {
    padding: 15px;
    margin-bottom: 10px;
    color: #ccc;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 5px;
}

.index-nav a:hover .nav-layer {
    display: block;
}

.base-bg {
    position: fixed;
    top: 0;
    z-index: -10;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    zoom: 1;
    clear: both;
    width: 100%;
    height: 100%;
    background-image: url(../img/bg.png);
    background-size: 100% 100%;
}

.container {
    height: calc(100% - 80px);
    min-height: 820px;
}

/*header*/
.header {
    position: relative;
    margin: 0 auto;
}

.header-logo {
    position: relative;
    height: 70px;
    text-align: center;
    overflow: hidden;
}

.header-logo img {
    position: absolute;
    width: 1008px;
    height: 30px;
    left: 50%;
    margin-left: -504px;
    top: 20px;
}

.btn-mini {
    display: none;
    position: absolute;
    right: 10px;
    top: 24px;
    padding: 1px 8px;
    /* color: #10e3ee; */
    /* background-color: #175675; */
}

.header-nav {
    /* width: 1110px; */
    padding: 0 5px;
    margin: 0 auto 10px;
}

.header-nav a.nav-link {
    float: left;
    display: block;
    width: 20%;
    line-height: 54px;
    margin: 10px 0;
    color: #fff;
    background-color: #142d6f;
    border: 1px solid #1b5595;
    font-size: 18px;
    text-align: center;
}

.header-nav a.nav-link:hover, .header-nav a.nav-link.active {
    color: #51f4f4;
    background: url(../img/index-menu.png) center no-repeat;
    background-size: 100% 100%;
    border: 1px solid transparent;
}

.header-search {
    float: right;
    width: 300px;
}

.header-search input {
    float: left;
    height: 34px;
    color: #ddd;
    background-color: #142d6f;
    border: 1px solid #1b5595;
}

.header-search .input-group-btn a {
    height: 34px;
    color: #d2d2d2;
    background-color: #338ff0;
    border: 1px solid #338ff0;
    outline: none;
}

/*main*/
.main {
    position: relative;
    height: calc(100% - 210px);
    margin: 0 auto;
}

.main-box {
    height: 100%;
    margin-right: -1px;
    margin: 0;
}

.main-zc-con {
    width: 100%;
    height: 100%;
    overflow-y: auto;
}

.main-zc-con h3 {
    height: 40px;
    line-height: 40px;
    margin-top: 10px;
}

.main-zc-con .checkbox, .main-zc-con .radio {
    margin: 5px 0;
}

.main-zc-con a {
    width: 100px;
    margin-top: 10px;
}

.zice img {
    width: 100%;
}

.zice dl dt {
    float: left;
    margin: 10px 0 5px;
    width: 100%;
    font-weight: bold;
    font-size: 14px;
}

.zice dl dd {
    float: left;
    width: 100%;
}

#All_score {
    float: right;
    padding-bottom: 2px;
    margin-right: 10px;
    border-bottom: 2px solid #F00;
}

.alertzqda {
    line-height: 30px;
}

.main-box-box {
    height: 100%;
    padding: 10px;
    background: #fff url(../img/teacher-bg.png) no-repeat;
    background-size: 100% 100%;
}

.main-list-title {
    height: 40px;
    line-height: 40px;
    font-size: 18px;
    color: #13275f;
    text-align: center;
}

.main-list-box {
    height: calc(100% - 40px);
    overflow-y: auto;
}

.main-box-list:last-child {
    border-bottom: 0;
}

.main-list-bottom {
    position: absolute;
    width: calc(100% - 10px);
    height: 100%;
    left: 5px;
    top: 0;
    padding: 0 5px;
    background-color: #fff;
    overflow: auto;
    z-index: 1111;
}

.main-list-main {
    width: calc(100% + 8px);
    height: 36px;
    line-height: 36px;
    padding-left: 9px;
    margin-left: -4px;
    color: #fff;
    font-weight: bold;
    background-color: #13275f;
}

.main-bottom-ul {
    width: auto;
    margin: 0 auto;
    white-space: unset;
    zoom: 1;
}

.main-bottom-con {
    display: none;
    position: static;
    left: 0;
    bottom: 0;
    top: 40px;
    width: 100%;
    padding: 0;
    z-index: 1000;
}

.main-bottom-con li a {
    display: block;
    line-height: 28px;
    padding-left: 10px;
    margin-bottom: 1px;
    font-size: 12px;
    color: #666;
}

.main-bottom-con li a:hover, .main-bottom-con li a.active {
    color: #FFF;
    background-color: rgba(19, 39, 95, 0.7);
    font-weight: bold;
}

.main-con-close {
    display: none;
    position: absolute;
    right: 4px;
    top: 7px;
    width: 14px;
    height: 14px;
    line-height: 14px;
    text-align: center;
    font-size: 14px;
    color: #000;
}

.main-bottom-list {
    display: block;
    width: 100%;
    margin-right: -5px;
}

.main-bottom-list:last-child {
    border-bottom: 0;
}

.bottom-link {
    width: 100%;
    display: block;
    text-align: left;
    line-height: 28px;
    border-bottom: 0;
    padding-left: 5px;
    font-size: 14px;
    color: #555;
}

.bottom-link:hover, .bottom-link.active {
    color: #13275f;
    font-weight: bold;
}

.bottom-link img {
    float: left;
    height: 8px;
    margin: 16px 5px;
}

.main-box-tab {
    height: 40px;
    border-bottom: 2px solid #13275f;
}

.main-box-tab a {
    float: left;
    display: block;
    width: 20%;
    max-width: 168px;
    height: 38px;
    line-height: 36px;
    font-size: 18px;
    text-align: center;
}

.main-box-tab a:last-child {
    margin-right: 0px !important;
}

.main-box-tab a:hover {
    color: #fff;
    background-color: rgba(19, 39, 95, 0.9);
}

.main-box-tab a.active {
    color: #fff;
    background-color: #13275f;
}

.main-con {
    height: calc(100% - 50px);
    margin: 10px 0 0;
    overflow-y: auto;
}

.main-video-title {
    width: 30%;
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    border-left: 5px solid #13275f;
    text-indent: 16px;
    color: #FFF;
    background-color: #59678f;
}

.main-video-tab a {
    float: left;
    display: block;
    width: calc(50% - 30px);
    height: 28px;
    line-height: 28px;
    margin: 5px 15px;
    border-bottom: 1px dotted #ddd;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.main-video-tab a i {
    margin-right: 5px;
}

.main-video-tab a:hover, .main-video-tab a.active {
    color: #2354a1;
    text-shadow: 0 0 1px #2354a1;
}

.main-video-list {
    /* float: right; */
    width: 100%;
    /* height: 100%; */
}

.learn-con-sp {
    display: none;
    float: left;
    width: calc(100% - 20px);
    padding: 0;
    margin: 0 10px;
    height: auto;
}

.main-sp-title {
    line-height: 30px;
    text-align: center;
    font-size: small;
}

.main-max {
    display: block;
    height: 100%;
    padding: 20px 30px;
    background: #fff url(../img/teacher-bg.png) no-repeat;
    background-size: 100% 100%;
    overflow-y: auto;
}

#main-max .main-con {
    overflow-y: auto;
}

.learn-con-jc {
    height: 100%;
    overflow-y: auto;
    padding: 0;
}

.learn-con-dx, .main-con-video {
    height: 100%;
    overflow-y: auto;
}

.video-box {
    width: calc(100% - 10px);
    margin: 5px;
}

.main-animation {
    float: left;
    width: calc(50% - 40px);
    margin: 20px;
}

.main-animation .video-box {
    width: 100%;
    margin: 0;
}

.main-animation:nth-of-type(even) {
    float: right;
}

.main-animation-title {
    float: left;
    width: 100%;
    height: 40px;
    line-height: 20px;
    margin-top: 10px;
    text-align: center;
}

.main-box-title {
    float: left;
    width: 100%;
    line-height: 30px;
    margin-bottom: 10px;
    font-size: 16px;
    border-bottom: 1px solid #b0b0b0;
    clear: both;
}

.main-box-title b {
    float: left;
    display: block;
    padding: 0 5px;
    margin-right: 5px;
    border-bottom: 1px solid #01afca;
}

.main-box-con {
    padding: 10px;
}

.main-box-con p {
    text-indent: 2em;
    line-height: 30px;
    margin-bottom: 10px;
    font-size: 16px;
}

.main-box-con p img {
    max-width: 100%;
}

.main-box-con p a {
    color: #337ab7;
}

.main-con-list {
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
}

.main-con-list:last-child {
    border-bottom: 0;
}

.main-con-left .main-box-con {
    padding: 5px;
    border: 1px solid #ddd;
}

.main-con-right .main-box-con {
    padding: 0 10px;
}

.main-con-list img {
    width: 100%;
    border: 1px solid #ddd;
}

.main-con-list b {
    font-size: 18px;
}

.main-search-results {
    padding: 0 30px;
}

.main-search-results p {
    line-height: 30px;
}

.footer {
    /*position: absolute;
    bottom: 10px;*/
    width: 100%;
    line-height: 20px;
    margin: 5px 0;
    color: #FFF;
    text-align: center;
    z-index: 9999;
}

.text-overflow {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

/* 超小屏幕(手机，小于 768px) */
@media (max-width: 767px) {
    .footer {
        display: none;
    }

    .main-zc-con a {
        margin-bottom: 10px;
    }

    .container {
        height: 100%;
        padding: 0;
        min-height: 0;
    }

    .col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-xs-1, .col-xs-10, .col-xs-11, .col-xs-12, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9 {
        height: auto;
        padding: 0;
    }

    .index-bg-pc {
        display: none;
    }

    .index-bg-pad {
        display: none;
    }

    .index-bg-phone {
        display: block;
    }

    .index-logo1 {
        left: 30px;
        top: 20px;
        width: 200px;
        height: 37.5px;
        background: url(../img/index-logo1.png) center no-repeat;
        background-size: 200px 37.5px;
    }

    .index-logo2 {
        left: 37px;
        top: 15%;
        width: 70%;
        height: 130px;
        background: url(../img/index-logo2.png) center no-repeat;
        background-size: 100%;
    }

    .index-nav {
        width: 24em;
        margin-left: -12em;
        bottom: 0;
        top: unset;
    }

    .index-nav li {
        float: left;
        margin: 1em;
    }

    .index-nav a {
        width: 10em;
        height: 3.25em;
        line-height: 3.25em;
        background-size: 10em 3.25em;
    }

    .index-nav a span {
        font-size: 16px;
    }

    .header-logo {
        height: 60px;
    }

    .header-logo img {
        width: 672px;
        height: 20px;
        margin-left: -336px;
    }

    .btn-mini {
        display: block;
        top: 19px;
    }

    .header-nav {
        display: none;
    }

    .header-search {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 60%;
        padding: 10px;
    }

    .main {
        height: calc(100% - 101px);
        margin: 0 auto;
    }

    #info-main {
        height: calc(100% - 61px);
        margin: 0 auto;
    }

    .main-box {
        height: 100%;
        margin: 0;
    }

    .learn-con-sp {
        width: 100% !important;
        margin: 0;
    }

    #video-box .main-con {
        height: calc(100% - 40px);
        padding: 10px;
        margin: 0;
    }

    .main-left {
        display: none;
        height: auto;
    }

    .main-list-title {
        display: none;
    }

    .main-list-bottom {
        position: fixed;
        width: 100%;
        height: 40px;
        left: 0;
        top: unset;
        bottom: 0px;
        border: 0;
        padding: 0;
        overflow: hidden;
        z-index: 1111;
    }

    .main-bottom-ul {
        width: auto;
        margin: 0 auto;
        white-space: nowrap;
        overflow-x: auto;
        zoom: 1;
    }

    .main-bottom-con {
        display: none;
        position: fixed;
        left: 0;
        top: unset;
        bottom: 40px;
        width: 100%;
        padding: 0;
        color: #333;
        background-color: #dddddd;
    }

    .main-bottom-con li a {
        color: #333;
        margin: 0;
    }

    .main-bottom-list {
        display: inline-block;
        width: calc(20% + 1px);
        height: 40px;
        margin-right: -5px;
        border: 0;
    }

    .bottom-link {
        width: 100%;
        display: block;
        text-align: center;
        height: 40px;
        line-height: 40px;
        border-bottom: 0;
        padding: 0;
        background-color: #f5f5f5;
    }

    .bottom-link:hover, .bottom-link.active {
        color: #fff;
        background-color: #13275f;
    }

    .bottom-link img, .bottom-link span {
        display: none;
    }

    .main-list-main {
        display: none;
    }

    .main-con {
        height: auto;
    }

    .header-nav {
        width: 100%;
        height: 145px;
        padding: 10px 0;
    }

    .header-nav a.nav-link {
        width: calc(33.33% - 4px);
        line-height: 40px;
        margin: 2px;
        font-size: 16px;
    }

    .main-box-box {
        padding: 0;
    }

    .main-box-tab {
        margin-bottom: 0;
    }

    .main-box-tab a {
        float: left;
        display: block;
        width: 18%;
        max-width: 168px;
        height: 40px;
        line-height: 40px;
        margin: 0;
        font-size: 14px;
        text-align: center;
        border: 0;
    }

    .main-box-tab a:nth-of-type(4) {
        width: 28%;
    }

    .main-con {
        height: calc(100% - 60px);
        border: 0;
    }

    .main-max {
        height: 100%;
        padding: 10px;
        border: 0;
    }

    .main-box-con p {
        line-height: 24px;
        margin-bottom: 10px;
        font-size: 12px;
    }

    .main-animation {
        width: 100%;
        margin: 0;
    }

    .main-con-list b {
        font-size: 16px;
    }

    .main-box-con p a {
        display: block;
        text-decoration: underline;
    }

    .main-box-title {
        font-size: 16px;
    }

    .main-con-close {
        display: block;
    }

    .zoomify.zoomed {
        width: 100% !important;
        left: 0;
    }
}

/* 中等屏幕(ipad 横屏，高度等于 768px) */
@media (min-height: 768px) and (max-height: 768px) {
    .index-bg-pc {
        left: -10%;
        width: auto;
        height: 100%;
    }

    .index-logo2 {
        position: fixed;
        left: 4em;
        top: 12em;
        width: 33em;
        height: 11.6em;
        background: url(../img/index-logo2.png) center no-repeat;
        background-size: 100%;
    }

    .index-nav {
        position: fixed;
        width: 64em;
        margin-left: -32em;
        bottom: 8em;
        text-align: center;
    }

    .index-nav li {
        float: left;
        margin: 2em 2em 0 2em;
    }

    .index-nav a {
        float: left;
        position: relative;
        display: block;
        color: #51f4f4;
        background: url(../img/index-menu.png) center no-repeat;
        text-shadow: 0px 0px 1em #fff;
        width: 12em;
        height: 4em;
        line-height: 4em;
        background-size: 12em 4em;
        text-align: center;
    }

    .index-nav a span {
        font-size: 1.5em;
    }

    .header-nav {
        width: 910px;
    }

    .main {
        height: calc(100% - 200px);
    }

    .main-box {
        height: 100%;
    }

    .main-box-box {
        padding: 10px;
    }

    .main-max {
        padding: 10px;
    }

    .main-con-list {
        padding: 10px 0;
    }

    .main-bottom-list {
        /* width: calc(100% - 10px); */
        /* margin: 0 5px; */
    }

    .bottom-link {
        font-size: 12px;
    }

    .header-nav a.nav-link {
        height: 40.8px;
        line-height: 40.8px;
        color: #fff;
        font-size: 14px;
        text-align: center;
    }

    .main-sp-title {
        font-size: 12px;
    }
}

/* 小屏幕(ipad 竖屏，宽度等于 768px) */
@media (min-width: 768px) and (max-width: 768px) {
    .col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-xs-1, .col-xs-10, .col-xs-11, .col-xs-12, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9 {
        height: auto;
        padding: 0;
    }

    .footer {
        display: none;
    }

    .index-bg-pc {
        display: none;
    }

    .index-bg-pad {
        display: block;
        top: -30%;
    }

    .index-logo1 {
        font-size: 1.25em;
    }

    .index-logo2 {
        position: fixed;
        left: 5em;
        top: 15em;
        width: 33em;
        height: 11.6em;
        background: url(../img/index-logo2.png) center no-repeat;
        background-size: 100%;
    }

    .index-nav {
        position: fixed;
        width: 32em;
        margin-left: -16em;
        bottom: 4em;
        text-align: center;
        font-size: 1.25em;
    }

    .index-nav li {
        margin: 2em 2em 0 2em;
    }

    .index-nav a {
        float: left;
        position: relative;
        display: block;
        color: #51f4f4;
        background: url(../img/index-menu.png) center no-repeat;
        text-shadow: 0px 0px 1em #fff;
        width: 12em;
        height: 4em;
        line-height: 4em;
        background-size: 12em 4em;
        text-align: center;
    }

    .index-nav a span {
        font-size: 1.5em;
    }

    .base-bg {
        position: fixed;
        top: 0;
        z-index: -10;
        background-position: left bottom;
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-size: cover;
        -webkit-background-size: cover;
        -o-background-size: cover;
        zoom: 1;
        clear: both;
        width: 100%;
        height: 100%;
        background-image: url(../img/bg.png);
        background-size: auto 100%;
    }

    .btn-mini {
        display: block;
    }

    .header-nav {
        display: none;
    }

    .header-search {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 60%;
        padding: 10px;
    }

    .main {
        height: calc(100% - 90px);
        margin: 0 auto;
    }

    .main-box {
        width: 100%;
        height: 100%;
        margin: 0;
    }

    #video-box .main-con {
        height: calc(100% - 101px);
    }

    .main-left {
        display: none;
        height: auto;
    }

    .main-list-title {
        display: none;
    }

    .main-list-bottom {
        position: fixed;
        width: 100%;
        height: 40px;
        left: 0;
        top: unset;
        bottom: 0px;
        border: 0;
        padding: 0;
        overflow: hidden;
        z-index: 1111;
    }

    .main-bottom-ul {
        width: auto;
        margin: 0 auto;
        white-space: nowrap;
        overflow-x: hidden;
        zoom: 1;
    }

    .main-bottom-con {
        display: none;
        position: fixed;
        left: 0;
        top: unset;
        bottom: 40px;
        width: 100%;
        padding: 0;
        background-color: #dddddd;
    }

    .main-bottom-con li a {
        height: 32px;
        line-height: 32px;
        margin: 0;
        color: #333;
        font-size: 13px;
    }

    .main-bottom-list {
        display: inline-block;
        width: 20%;
        height: 40px;
        margin: 0;
        margin-right: -5px;
        border: 0;
    }

    .bottom-link {
        width: 100%;
        display: block;
        text-align: center;
        height: 40px;
        line-height: 40px;
        border-bottom: 0;
        padding: 0;
        background-color: #f5f5f5;
    }

    .bottom-link:hover, .bottom-link.active {
        color: #fff;
        background-color: #13275f;
    }

    .bottom-link img, .bottom-link span {
        display: none;
    }

    .main-list-main {
        display: none;
    }

    .main-con {
        height: auto;
    }

    .header-nav {
        width: 100%;
        height: 145px;
        padding: 10px 0;
    }

    .header-nav a.nav-link {
        width: calc(33.33% - 4px);
        line-height: 40px;
        margin: 2px;
        font-size: 16px;
    }

    .header-search {
        width: 45%;
    }

    .main-box-box {
        padding: 10px;
    }

    .main-box-tab {
        margin-bottom: 0;
    }

    .main-box-tab a {
        float: left;
        display: block;
        width: 20%;
        max-width: 168px;
        height: 40px;
        line-height: 40px;
        margin: 0;
        font-size: 14px;
        text-align: center;
        border: 0;
    }

    .main-box-tab a:last-child {
        border-right: 0;
    }

    .main-con {
        height: calc(100% - 60px);
        padding: 5px;
        border: 0;
    }

    .main-max {
        height: 100%;
        padding: 10px;
        border: 0;
    }

    .main-animation {
        width: calc(100% - 20px);
        margin: 10px;
    }

    .main-box-con p {
        line-height: 24px;
        margin-bottom: 10px;
        font-size: 12px;
    }

    .main-con-list b {
        font-size: 16px;
    }

    .main-box-con p a {
        display: block;
        text-decoration: underline;
    }

    .main-box-title {
        font-size: 16px;
    }

    .main-con-close {
        display: block;
        right: 5px;
        top: 9px;
    }

    .zoomify.zoomed {
        width: 100% !important;
        left: 0;
    }

    .learn-con-sp {
        width: calc(100% - 10px);
    }
}

/* 中等屏幕(ipad pro 横屏，宽度等于 1366px) */
@media (min-width: 1366px) and (max-width: 1366px) {
    .index-bg-pc {
        left: -10%;
        width: auto;
        height: 100%;
    }

    .main-box {
        height: 100%;
    }

    .main-box-box {
        padding: 10px;
    }

    .main-max {
        padding: 10px;
    }

    .main-con-list {
        padding: 10px 0;
    }

    .bottom-link {
        font-size: 13px;
    }
}

/* 中等屏幕(ipad pro 竖屏，高度等于 1366px) */
@media (min-height: 1366px) and (max-height: 1366px) {
    .index-bg-pc {
        display: none;
    }

    .index-bg-pad {
        display: block;
        top: -30%;
    }

    .index-logo1 {
        font-size: 1.5em;
    }

    .index-logo2 {
        position: fixed;
        left: 6em;
        top: 20em;
        width: 33em;
        height: 11.6em;
        background: url(../img/index-logo2.png) center no-repeat;
        background-size: 100%;
    }

    .index-nav {
        position: fixed;
        width: 36em;
        margin-left: -18em;
        bottom: 6em;
        text-align: center;
        font-size: 1.5em;
    }

    .index-nav li {
        margin: 2em 2em 0 2em;
    }

    .header-nav {
        width: 910px;
    }

    .header-nav a.nav-link {
        float: left;
        display: block;
        line-height: 44px;
        margin: 10px 0;
        color: #fff;
        background-color: #142d6f;
        border: 1px solid #1b5595;
        font-size: 18px;
        text-align: center;
    }

    .learn-con-sp {
        width: calc(100% - 20px);
        margin: 10px;
    }

    .main-animation {
        width: calc(100% - 20px);
        margin: 10px;
    }

    .bottom-link {
        font-size: 13px;
    }

    .main-sp-title {
        font-size: 14px;
    }
}

.collapse-btn b {
    cursor: pointer;
    position: relative;
}

.collapse-btn b::after {
    content: '';
    width: 10px;
    height: 6px;
    background: url("../img/nav-hover-icon.png") no-repeat right center;
    background-size: 100% 100%;
    position: absolute;
    right: -16px;
    top: 12px;
    transform: rotate(0deg);
}

.collapse-btn.closed b::after {
    transform: rotate(270deg);
}

.collapse-box.closed {
    height: 0;
    padding: 0;
    overflow: hidden;
}

.learn-dx-section {
    width: calc(50% - 20px);
    height: 233px;
    float: left;
    box-sizing: border-box;
    border: solid 1px #43b2da;
    margin: 10px 10px 0;
    background: linear-gradient(#e9f3f7, #fff);
}

@media (max-width: 1199px) {
    .learn-dx-section {
        width: 100%;
        height: auto;
        padding: 0 0 12px;
        margin: 10px 0;
    }
}

.learn-dx-section.s2 {
    border-color: #e29315;
}

.learn-dx-section.s3 {
    border-color: #7ca826;
}

.learn-dx-section.s4 {
    border-color: #24a8aa;
}

.learn-dx-section dt {
    width: 130px;
    height: 30px;
    line-height: 30px;
    background: linear-gradient(to right, #176195, #3cb2dc);
    color: #fff;
    font-size: 16px;
    text-align: center;
    border-radius: 15px;
    margin: 13px auto;
}

.learn-dx-section.s2 dt {
    background: linear-gradient(to right, #e24515, #e2af14);
}

.learn-dx-section.s3 dt {
    background: linear-gradient(to right, #497d0c, #94c11d);
}

.learn-dx-section.s4 dt {
    background: linear-gradient(to right, #178296, #32d0c1);
}

.learn-dx-section dd {
    font-size: 14px;
    margin: 0 16px;
}