html {
    height: 100%;
    background-color: #333
}

body {
    font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif;
    max-width: 500px;
    margin: 0 auto;
    height: 100%;
    position: relative
}

img {
    width: 100%;
    vertical-align: top
}
#container {
    width: 100%;
    margin: 0 auto;
    background-size: 100% auto;
    height: 100%;
    position: relative
}

.title-contain {
    width: 100%;
    height: 1.6rem;
    left: 0;
    top: 0;
    z-index: 99
}

.title-contain .language-box {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding-right: 5px;
    position: relative;
    flex-wrap: nowrap;
    z-index: 999;
    cursor: pointer
}

.language-box .language-icon {
    width: .5rem;
    flex-shrink: 0
}

.language-box > .language-icon {
    width: .8rem;
    height: .8rem;
    border: 1px solid #ccc;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center
}

.language-box > .language-icon > img {
    width: .7rem
}

.language-box .fold-icon {
    width: .3rem;
    display: flex;
    flex-direction: row;
    align-items: center
}

.language-box .fold-icon img {
    width: 100%
}

.language-box .fold-icon-active {
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
    transform-origin: center
}

.language-box .text-box {
    color: #fff;
    white-space: nowrap;
    margin: 0 .1rem;
    font-size: .28rem;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
    max-width: 2.5rem;
    line-height: normal
}

.language-select-box {
    box-sizing: border-box;
    position: absolute;
    bottom: 0;
    background-color: rgba(0, 0, 0, .5);
    transform: translateY(calc(100% + .2rem));
    padding: .2rem 0 .2rem 5%;
    right: 0;
    display: none;
    max-height: 10rem;
    overflow-y: auto
}

.language-select-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 1rem;
    cursor: pointer;
    min-width: 2.4rem
}

.language-select-item .text-box {
    width: auto
}

.title-contain .style-type3 .language-box {
    position: absolute;
    right: 0;
    z-index: 999
}

.title-contain .style-type {
    width: 100%;
    height: 100%;
    position: relative;
    color: #000;
    text-align: center;
    display: flex;
    flex-direction: row;
    align-items: center
}

.title-contain .title-text {
    width: 100%;
    font-size: 16px;
    overflow: hidden;
    max-height: 100%;
    line-height: 1.5;
    white-space: normal;
    word-break: break-all;
    font-weight: 500;
    padding: 0 .27rem 0 1.86rem
}

.style-type2 .title-text {
    padding: 0 .27rem
}

.title-contain .title-icon {
    width: 1.2rem;
    height: 1.2rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-items: center;
    align-items: center
}

.title-contain .title-icon > img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto
}

.style-type1 .title-icon {
    left: .267rem
}

.style-type3 .title-icon {
    left: 50%;
    transform: translateX(-50%) translateY(-50%)
}

.middle-content-contain {
    box-sizing: border-box;
    height: calc(100% - 1.6rem);
    overflow-y: auto;
    padding-top: .1rem;
    padding-bottom: 1.5rem
}

.middle-content-contain .contain-language-box {
    position: fixed;
    right: 2%;
    top: 2%;
    z-index: 999
}

.middle-content-contain .text-contain {
    margin-bottom: .3rem;
    font-size: 16px
}

.middle-content-contain .text-contain .text-contain-title {
    text-align: center;
    font-size: 16px;
    padding: 0 .13rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 22px;
}

.middle-content-contain .text-contain .text-contain-content {
    padding: .27rem;
    min-height: 1.6rem;
    font-size: 16px;
    text-indent: 2em;
    word-wrap: break-word
}

.middle-content-contain .img-contain {
    margin-bottom: .3rem;
    min-height: 2.9rem
}

.middle-content-contain .img-contain .img-contain-title {
    text-align: center;
    font-size: 16px;
    padding: 0 .13rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 22px;
}

.middle-content-contain .img-contain > img {
    width: 100%
}

.middle-content-contain .img-slider-contain {
    margin-bottom: .3rem;
    width: 100%
}

.middle-content-contain .img-slider-contain .img-slider-list {
    min-height: 2.9rem
}

.middle-content-contain .img-slider-contain .slider-contain-title {
    text-align: center;
    font-size: 16px;
    padding: 0 .13rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 22px;
}

.middle-content-contain .img-slider-contain .slick-dots {
    position: absolute;
    bottom: .2rem;
    display: flex;
    flex-direction: row;
    justify-content: center;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%)
}

.middle-content-contain .img-slider-contain .slick-dots > li > button {
    background-color: #fff;
    color: rgba(255, 255, 255, 0);
    border: none;
    width: .6rem;
    height: .05rem;
    margin-right: .2rem
}

#footer {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 1.6rem;
    color: #fff;
    width: 100%
}

#footer .foot-style {
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 100%;
    color: #333;
    padding: 0 .27rem
}

#footer .foot-style p {
    margin: 0
}

#footer .foot-style .img-title-box > img {
    width: auto;
    height: auto;
    max-height: 1.33rem;
    max-width: 1.33rem;
    margin-right: 5%;
    flex-shrink: 0
}

#footer .foot-style .bubble-box {
    position: relative;
    color: #fff;
    text-align: center;
    height: .93rem
}

#footer .foot-style .bubble-box .bubble-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: .4rem;
    border-radius: .27rem;
    white-space: normal;
    line-height: 1.2;
    overflow: hidden;
    word-break: break-all;
    cursor: pointer;
}

#footer .foot-style .bubble-box .bubble-btn > span {
    width: 100%;
    max-height: 100%
}

#footer .foot-style .bubble-box .bubble {
    border-radius: .53rem;
    border-bottom-left-radius: 0;
    position: absolute;
    max-width: 85%;
    top: -.13rem;
    right: -.19rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: left;
    background-color: #ea4e3d;
    color: #fff;
    transform: translateY(-100%);
    -ms-transform: translateY(-100%);
    -moz-transform: translateY(-100%);
    -webkit-transform: translateY(-100%);
    -o-transform: translateY(-100%)
}

#footer .foot-style .bubble-box .bubble > span {
    width: 100%;
    padding: .18rem;
    display: inline-block;
    overflow: hidden;
    white-space: normal;
    line-height: 1.2;
    font-size: .32rem;
    word-break: break-all
}

#footer .foot-style .bubble-box .bubble::before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border: .27rem solid transparent;
    border-left: .27rem solid #ea4e3d;
    position: absolute;
    left: 0;
    bottom: -.13rem
}

#footer .style1 {
    justify-content: space-between
}

#footer .style1 .bubble-box {
    width: 45.3%;
    text-align: center
}

#footer .style2 .img-title-box, #footer .style3 .img-title-box {
    width: 70%;
    display: flex;
    flex-direction: row;
    align-items: center;
    color: #fff;
    font-size: 16px;
    height: 100%;
    box-sizing: border-box
}

#footer .style2 .img-title-box .title-box, #footer .style3 .img-title-box .title-box {
    max-width: 5rem;
    text-align: left;
    line-height: 1.5;
    flex-direction: row;
    align-items: center;
    overflow: hidden;
    max-height: 100%;
    white-space: normal;
    word-break: break-all
}

#footer .style2 .bubble-box, #footer .style3 .bubble-box {
    width: 30%;
    flex-shrink: 0
}

.teaching-contain {
    max-width: 500px;
    width: 100%;
    height: 100%;
    display: none;
    position: fixed;
    top: 0;
    overflow-y: auto;
    z-index: 2000;
    background: #f8f8f8
}

.teaching-contain .teaching-contain-nav {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    color: #333;
    height: 1.5rem;
    background-color: #fff;
    position: relative;
    padding: 0 10%
}

.teaching-contain .teaching-contain-nav .close {
    width: .3rem;
    position: absolute;
    left: .2rem;
    top: 50%;
    transform: translateY(-50%)
}

.teaching-contain .teaching-contain-nav .nav-active {
    border-bottom: 3px solid #1572f2;
    color: #1572f2
}

.teaching-contain .teaching-contain-nav > span {
    font-size: .4rem;
    border-bottom: 2px solid #fff;
    width: 45%;
    text-align: center;
    padding-bottom: .3rem;
    height: 1.5rem;
    line-height: 1.5rem;
    box-sizing: border-box
}

.teaching-contain .teaching-img-contain {
    height: calc(100% - 1.5rem);
    width: 100%;
    box-sizing: border-box;
    overflow: auto;
    padding: .3rem 5%
}

.teaching-contain .teaching-img-contain > img {
    display: none
}

.operation-contain {
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    position: absolute;
    display: none;
    z-index: 98;
}

.operation-contain > li {
    width: 1.61rem;
    height: 1.61rem;
    max-width: calc(75px * 1.61);
    max-height: calc(75px * 1.61);
    margin-bottom: .267rem;
    display: flex;
    align-items: center;
    justify-content: center
}

.operation-contain > li .operation-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto
}

.operation-contain > li .operation-svg-contain {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 30%;
    border-radius: 35%;
    background-color: rgba(255, 255, 255, .7);
    box-sizing: border-box
}

.operation-contain > li .operation-svg-contain > svg {
    width: .66rem;
    height: .66rem
}

.operation-contain > li .operation-svg-contain .operation-label {
    font-size: .26rem;
    margin-top: 5%;
    font-weight: 600;
    width: 90%;
    text-align: center;
    word-wrap: break-word;
    line-height: 10px;
    letter-spacing: .1px
}

.operation-contain > li img {
    width: 100%
}

.aide-pop {
    max-width: 500px;
    width: 100%;
    display: none;
    position: fixed;
    top: 50%;
    z-index: 2000;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%)
}

.aide-pop .aide-pop_mask {
    width: 8.5rem;
    margin: 0 auto;
    background: #fff;
    border-radius: .2rem;
    padding: .26rem .26rem .53rem
}

.aide-pop_img {
    width: 100%;
    height: 2.6rem
}

.aide-pop_img > img {
    width: 100%
}

.aide-pop_content {
    color: #3471de
}

.aide-pop_content h6 {
    text-align: center;
    font-size: .4rem;
    font-weight: 700
}

.aide-pop_content p {
    font-size: .4rem;
    line-height: .6rem;
    max-height: 8rem;
    overflow-y: auto
}

.aide-pop_title {
    position: relative;
    margin: .53rem 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between
}

.aide-pop_title .left-line, .aide-pop_title .right-line {
    background: url(../images/comm/line_xf_title.png) no-repeat left center;
    width: 35%;
    height: .25rem;
    background-size: 100%
}

.aide-pop_title .right-line {
    transform: rotateY(180deg)
}

.aide-pop .aide-close_btn {
    width: 1rem;
    height: 1rem;
    background: url(../images/btn_xf_close.png) no-repeat center center;
    margin: .53rem auto 0;
    text-align: center;
    display: block;
    background-size: cover
}

.course-btn_box {
    text-align: center
}
.course-btn_box .course-btn {
    display: inline-block;
    padding: .4rem;
    text-align: center;
    background: #10bd7a;
    border-radius: 4px;
    color: #fff;
    font-size: .4rem;
    text-decoration: none;
    margin-top: .7rem
}
.swiper-container{
    width: 100% !important;
    height: 205px !important;
}