html {
    height: 100%;
    -webkit-tap-highlight-color:rgba(97, 209, 247, 0.5);
}

.home-page {
    background: #0b0656 url(../images/iteach-bg.png) 0 0 repeat;
    height: 100%;
    max-width: 100%;
    min-height: 680px;
    min-width: 720px;
}

@media screen and (min-width: 320px) and (max-width: 1023px) {
    .home-page {
        /* height:auto; */
    }
}

.home-background {
    background: url(../images/iteach-img-bg.png) center bottom no-repeat;
    height: 100%;
}

.page-header {
    margin: 0;
    border-bottom: none;
}

.iteach-logo {
    padding: 1% 0% 1% 3%;
    opacity: 0;
}

.iteach-logo h1 { opacity: 0;
    margin: 0 !important;
    background: url(../images/walkfast-iteach-logo.png) 0 0 no-repeat;
    max-width: 100%;
    height: 36px;
    text-indent: -9999px;
    background-size: auto 36px;
}

h2.iteach-title {
    color: #ffffff;
    text-align: center;
    margin: 0 auto 20px;
    line-height: 65px;
    font-size: 30px;
}

.iteach-content {
    color: #ffffff;
    text-align: left;
    font-size: 16px;
    width: 100%;
}

.iteach-box {
    background: rgba(255, 255, 255, 0.18823529411764706);
    border-radius: 20px;
    padding: 20px 40px;
    box-shadow: 5px 0 20px rgba(16, 16, 38, 0.3137254901960784);
    border: 1px solid rgba(255, 255, 255, 0.18823529411764706);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    max-width: 1400px;
}

.iteach-entryContainer {
    background: #f0f2f5;
    border-radius: 10px;
    margin-top: 10px;
    width: 100%;
}

/* .iteach-entry {
    height: 160px;
    background-color: #ffffff;
    margin: 15px 0;
}

.iteach-entry:hover {
    box-shadow: 0px 5px 10px 0px rgba(35, 155, 242, 0.45);
}

.iteach-entry-img {
    height: 100%;
    background-position: center;
    background-size: auto;
    background-color: transparent;
    background-repeat: no-repeat;
}

.iteach-entry-card {
    height: 100%;
}

.iteach-entry-title {
    font-weight: bold;
    font-size: 18px;
    line-height: 2.2;
    text-align: left;
    margin: 0;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.iteach-entry-content {
    color: #666666;
    line-height: 20px;
}

.iteach-entry-button {
    width: 140px;
    height: 40px;
    display: block;
    border-radius: 4px;
    background-color: #239bf2;
    color: #fff;
    text-align: center;
    line-height: 40px;
}



.iteach-entry-text {
    height: 110px;
    overflow: hidden;
    padding-top: 10px;
}

.iteach-entry-group {
    height: 50px;
} */

.iteach-image {
    width: 100%;
    border-radius: 9px 9px 0 0;
}

.ilist-item {
    margin: 50px auto;
    box-shadow: inset 0px 0px 10px rgba(255, 255, 255, 0.3137254901960784),
        0px 5px 15px rgba(11, 8, 69, 0.3764705882352941);
    color: #ffffff;
    text-align: center;
    height: 350px;
    padding: 30px 20px;
    width: 90%;
    transition: top 0.3s;
    -moz-transition: top 0.3s;
    -webkit-transition: top 0.3s;
    -o-transition: top 0.3s;
    position: relative;
}

a:hover .ilist-item {
    top: -5px;
    cursor: pointer;
}

.iteach-box a:hover,
.iteach-box a:focus {
    text-decoration: none;
}

.ilist-blue {
    background-color: #00a3ff;
}

.ilist-green {
    background-color: #32c763;
}

.ilist-orange {
    background-color: #f2ad18;
}

.ilist-red {
    background-color: #ff644c;
}

.ilist-icon {
    width: 86px;
    height: 86px;
    background-color: #ffffff;
    border: 3px solid rgba(255, 255, 255, 0.3137254901960784);
    border-radius: 50px;
    margin: 10px auto 40px;
}

em.ilist-icon1 {
    background: url(../images/iteach-icon.png) 0 0 no-repeat;
    width: 64px;
    height: 64px;
    display: inline-block;
    margin: 9px auto;
}

em.ilist-icon2 {
    background: url(../images/iteach-icon.png) 0 -64px no-repeat;
    width: 64px;
    height: 64px;
    display: inline-block;
    margin: 9px auto;
}

em.ilist-icon3 {
    background: url(../images/iteach-icon.png) 0 -128px no-repeat;
    width: 64px;
    height: 64px;
    display: inline-block;
    margin: 9px auto;
}

em.ilist-icon4 {
    background: url(../images/iteach-icon.png) 0 -192px no-repeat;
    width: 64px;
    height: 64px;
    display: inline-block;
    margin: 9px auto;
}

.ilist-item h4 {
    font-weight: bold;
    margin-bottom: 40px;
    font-size: 18px;
}

/*****business*****/

.section-carousel {
    height: calc(97% - 90px);
}

.business-container {
    background: rgb(248, 253, 255);
    border-radius: 20px;
    padding: 0;
    box-shadow: inset 0px 0px 20px rgba(40, 122, 203, 0.5019607843137255),
        5px 0 20px rgba(16, 16, 38, 0.3137254901960784);
    border: 2px solid #577bff;
    width: 95%;
    height: 95%;
    position: relative;
    overflow: hidden;
}

.business-title h2 {
    background-color: #38bdf9;
    height: 60px;
    border-radius: 0 30px 30px 0;
    line-height: 60px;
    padding: 0 80px;
    font-size: 30px;
    font-weight: bold;
    color: #ffffff;
    display: inline-block;
    margin: 20px 0;
}

.business-header {
    background: url(../images/iteach-icon.png) 0 0 no-repeat;
    width: 64px;
    height: 64px;
    color: #38bdf9;
    padding-top: 60px;
    text-align: center;
    margin-right: 5px;
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
}

.business-item {
    text-align: center;
    padding: 20px;
}

.business-item img {
    max-width: 85%;
    text-align: center;
}

.business-footer {
    position: absolute;
    bottom: 0;
    text-align: center;
    width: 100%;
    user-select: none;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.ipage-num-bnt {
    color: #cad0e0;
    font-size: 30px;
    line-height: 30px;
    margin: 5px 50px 0;
    display: inline-block;
    cursor: pointer;
}

.ipage-num-bnt a {
    color: #38bdf9;
}

.ipage-num-bnt a:hover {
    color: #007dff;
    text-decoration: none;
}

.ipage-num {
    background-color: #cad0e0;
    width: 80px;
    border-radius: 100px 100px 0 0;
    height: 40px;
    line-height: 50px;
    color: #ffffff;
    font-size: 16px;
    display: inline-block;
}

.iclose-btn {
    background: url(../images/iclose-icon.png) 0 0 no-repeat;
    width: 50px;
    height: 60px;
    position: absolute;
    right: 60px;
    top: 15px;
    opacity: 0.5;
}

.iclose-btn:hover {
    opacity: 0.8;
    cursor: pointer;
}

.bus-text {
    text-align: left;
    margin: 40px;
}

.bus-list {
    width: 80%;
    margin: 80px auto auto;
    text-align: center;
}

.bus-list li {
    float: left;
    background-color: #64adfc;
    color: #ffffff;
    margin: 20px 20px;
    border-radius: 10px;
    padding: 20px;
    list-style: none;
    width: 30%;
}

@media screen and (min-width: 800px) and (max-width: 1700px) {
    .bus-list li {
        width: 25%;
    }
}

@media screen and (max-width: 480px) {
    .business-footer {
        position: relative;
        text-align: center;
        width: 316px;
        left: calc((100% - 316px) / 2);
    }
    .bus-list {
        width: 100%;
        margin: auto;
    }
    .bus-list li {
        width: 80%;
    }
}

@media screen and (max-width: 1280px) {
    .home-page{
        overflow:auto !important;
    }
    .business-body{
        overflow-y: auto !important;
    }
    .answer-container{
        background-image: none !important;
    }
    .know-item {
        width: 100% !important;
        margin: 2% auto !important;
        padding: 0 5% !important;
        text-align: left !important;
    }
    .know-icon{
        background-image: none !important;
    }
    .answer-order-btn{
        top: 52% !important;
        right: 50px !important;
        width: 20% !important;
    }
    .answer-order-btn a {
        width: 90% !important;
        max-width: 150px !important;
    }
    .iteach-control-box{
        height: 80% !important;
    }
    .icontrol-img img{
        max-width: 65% !important;
    }
}


.bus-list li i {
    background: #ffffff;
    color: #64adfc;
    font-size: 24px;
    border-radius: 30px;
    width: 60px;
    height: 60px;
    display: block;
    margin: -40px auto 20px;
    border: 2px solid #64adfc;
    line-height: 55px;
    font-style: normal;
}

.bus-list li p {
    font-size: 18px;
}

.content-title {
    color: #100a66;
    text-align: left;
    margin: 30px 90px;
    font-weight: bold;
    font-size: 30px;
}

.content-list {
    text-align: left;
    margin-left: 30px;
}

.content-list li {
    list-style: none;
}

.content-list li i {
    background-color: #64adfc;
    width: 67px;
    display: inline-block;
    border-radius: 4px 20px 20px 4px;
    font-size: 20px;
    color: #fff;
    font-style: normal;
    height: 40px;
    text-align: center;
    margin: 10px 20px;
    line-height: 40px;
}

.content-list li span {
    font-size: 20px;
}

/*****answer test*****/

.answer-container {
    text-align: center;
    background: #f7f9fa url(../images/test-img2.png) top 60px center/1200px
        540px no-repeat;
    border-radius: 20px;
    padding: 0;
    box-shadow: inset 0px 0px 20px rgba(40, 122, 203, 0.5019607843137255),
        5px 0 20px rgba(16, 16, 38, 0.3137254901960784);
    border: 2px solid #577bff;
    width: 95%;
    height: 95%;
    position: relative;
    overflow: hidden;
}

.know-title {
    z-index: 1;
    position: absolute;
    top: 0;
    width: 100%;
}

.know-title h2 {
    width: 25%;
    min-width: 200px;
    margin: 20px auto;
    color: #0b0656;
    /* margin-top: 0; */
    /* background-color: #f1f6ff; */
    border-radius: 0 0 30px 30px;
    height: 60px;
    line-height: 60px;
    font-size: 30px;
}

.know-son-title {
    background: url(../images/iteach-icon.png) 0 -64px no-repeat;
    width: 64px;
    height: 64px;
    color: #32c763;
    padding-top: 60px;
    text-align: center;
    position: absolute;
    right: 15px;
    top: 10px;
}

.know-item {
    width: 70%;
    height: 50%;
    margin: 20px auto;
    text-align: center;
    /* background: rgb(244, 247, 255); */
    background-size: contain;
    padding: 25px 55px;
}

.know-item h2 {
    font-size: 30px;
}

.know-item-label {
    color: #ffffff;
    background-color: #2de09f;
    width: 200px;
    height: 45px;
    line-height: 45px;
    transform: rotate(-45deg);
    margin-left: -45px;
    margin-top: 30px;
    clip-path: polygon(23% 0%, 76% 0%, 98% 100%, 0% 100%);
}

.know-answer {
    color: #00a3ff;
    font-size: 20px;
    font-weight: bold;
    line-height: 32px;
    margin-bottom: 40px;
    text-align: left;
}

.know-question {
    text-align: left;
}

.know-answer.big {
    font-size: 36px;
}

.question-option {
    padding-left: 40px;
}

.question-option li {
    color: #333;
    list-style: none;
    margin: 20px;
    font-size: 20px;
    list-style: upper-latin;
    /* list-style-position: inside; */
}

.question-option li label {
    display: inline-block;
    /* vertical-align: -4px; */
    margin-left: 10px;
    vertical-align: top;
}

input.question-radio[type='radio'],
input.question-check[type='checkbox'] {
    -webkit-appearance: none;
    outline: none;
}

input.question-radio[type='radio'] {
    position: relative;
    width: 20px;
    height: 20px;
    border: 2px solid #33aaff;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    vertical-align: middle;
    background: white;
    display: inline-block;
    margin-top: -4px;
    margin-left: -60px;
    margin-right: 40px;
}

input.question-radio[type='radio']:hover {
    cursor: pointer;
}

input.question-radio[type='radio']:checked:after {
    content: '';
    position: absolute;
    left: 3px;
    top: 3px;
    width: 10px;
    height: 10px;
    background-color: #33aaff;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
}

input.question-radio[type='radio']:checked {
    background-color: #fff;
}

input.question-check[type='checkbox'] {
    position: relative;
    width: 20px;
    height: 20px;
    border: 2px solid #00a3ff;
    border-radius: 4px;
    vertical-align: middle;
    background: white;
    margin-top: -4px;
    margin-left: -60px;
    margin-right: 40px;
}

input.question-check[type='checkbox']:hover {
    cursor: pointer;
}

input.question-check[type='checkbox']:checked:after {
    content: '';
    position: absolute;
    left: 3px;
    top: 3px;
    width: 10px;
    height: 6px;
    border-left: 2px solid #00a3ff;
    border-bottom: 2px solid #00a3ff;
    transform: rotate(-45deg);
}

input.question-check[type='checkbox']:checked {
    background-color: #fff;
}

.answer-tips {
    background-color: #daffe3;
    height: 50px;
    padding: 20px;
    padding-left: 55px;
    border-radius: 10px;
    line-height: 50px;
    font-size: 16px;
    color: #808080;
    margin-top: 100px;
    visibility: hidden;
    margin: 40px auto;
    text-align: left;
    display: inline;
}

.iteach-answer-right {
    background: #daffe3 url('../images/tip-right-icon.png') center left 10px
        no-repeat;
}

.iteach-answer-wrong {
    background: #ffdfd9 url('../images/tip-error-icon.png') center left 10px
        no-repeat;
}

/* .answer-tips-error {
    background-color: #ffdfd9;
    height: 50px;
    padding: 0 10px;
    padding-left: 55px;
    width: 270px;
    border-radius: 10px;
    line-height: 50px;
    font-size: 16px;
    color: #808080;
    margin-top: 100px;
} */

.answer-tips-right img,
.answer-tips-error img {
    margin-right: 6px;
}

.answer-order-btn {
    text-align: center;
    margin: 40px auto;
    position: absolute;
    bottom: 10px;
    width: 100%;
    user-select: none;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.answer-order-btn a {
    background-color: #f2f8ff;
    border: 2px solid #33aaff;
    width: 150px;
    height: 50px;
    border-radius: 10px;
    text-align: center;
    color: #33aaff;
    margin: 10px 40px;
    display: inline-block;
    line-height: 50px;
    font-size: 18px;
}

.answer-order-btn a:hover {
    background-color: #33aaff;
    color: #fff;
    cursor: pointer;
    text-decoration: none;
}

.business-body,
.answer-body {
    position: absolute;
    top: -1px;
    left: -1px;
    width: 100%;
    height: 100%;
    transition: all ease 1s;
    border: 1px solid #38bdf9;
    box-sizing: content-box;
    overflow-x: hidden;
}

.bus-right {
    transform: translate(100%);
}

.bus-left {
    transform: translate(-100%);
}

body {
    font-family: 'Microsoft Yahei';
}

.iteachContainer {
    position: fixed;
    top: 0;
    right: 0;
    background-color: #000000;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    width: calc(100% - 260px);
    height: 100%;
    /* overflow: hidden; */
}

.iteachPlayer {
    position: fixed;
    right: 0;
    bottom: 0;
    /* border-top: 1px solid rgba(255, 255, 255, 0.9); */
    height: 50px;
    width: 100%;
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    user-select: none;
    z-index: 1002;
}

button.iteach-btn{
    display: flex;
    padding: 0;
    border: none;
    background: none;
}
.iteach-btn {
    fill: #f5f6f7;
    margin: auto 10px;
    cursor: pointer;
    min-width: 20px;
}

.iteach-btn.iteach-menu {
    /* display: none; */
    position: fixed;
    left: 0px;
    top: calc(50% - 12px);
    background: rgb(125, 125, 125);
    margin: 0;
    padding: 8px;
    z-index: 1001;
}

.iteach-btn.iteach-close {
    margin-left: 30px;
}

.iteach-btn.iteach-switch {
    margin: auto 0;
}

.iteach-txt-btn.iteach-switch {
    min-width: 140px;
    box-sizing: content-box;
}

.iteach-progress {
    width: 30%;
    height: 6px;
    background: #f5f6f7;
    box-sizing: border-box;
    border-left: 0px solid rgb(0, 159, 212);
    margin: auto 10px;
}

@media screen and (max-width: 800px) {
    .iteach-progress {
        display: none;
    }
}

.iteach-progress.seted:hover {
    height: 10px;
    cursor: pointer;
}

.iteach-txt-btn {
    width: 140px;
    height: 26px;
    border: 3px solid #f5f6f7;
    border-radius: 20px;
    margin: auto 10px;
}

.iteach-txt {
    cursor: default;
    color: #f5f6f7;
    font-size: 14px;
    font-family: 'Microsoft Yahei';
    font-weight: bold;
    line-height: 26px;
    user-select: none;
    display: inline-block;
    padding: 0 8px;
    float: left;
}

.iteach-txt.separate {
    margin: auto 20px;
}

.iteach-txt-btn .iteach-txt {
    cursor: pointer;
}

.iteach-txt.active {
    background-color: #009fd4;
    border-radius: 20px;
    border: 3px solid #f5f6f7;
    margin-left: -3px;
    margin-top: -3px;
    color: #f5f6f7;
    float: left;
    cursor: default;
}

.iteach-txt.active:last-child {
    background-color: #009fd4;
    border-radius: 20px;
    border: 3px solid #f5f6f7;
    margin-right: -3px;
    margin-top: -3px;
    float: right;
    cursor: default;
}

.iteach-control-speed {
    position: relative;
    display: block;
    min-width: 60px;
}

.iteach-txt.iteach-speed {
    cursor: pointer;
    height: 45px;
    width:60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iteach-select {
    display: none;
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    min-width: 60px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    top: -125px;
}

.iteach-select div {
    color: #f5f6f7;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.iteach-select .selected {
    background-color: #009fd4;
}

.iteach-control-speed:hover .iteach-select {
    display: block;
}

.iteach-select div:hover {
    background-color: #6e6e6e;
}

.iteach-item {
    cursor: pointer;
    color: #f5f6f7;
    font-size: 14px;
    font-family: 'Microsoft Yahei';
    font-weight: bold;
    user-select: none;
    display: inline-block;
    padding: 0 5px;
}

.iteach-txt.iteach-precent {
    min-width: 50px;
    text-align: center;
    margin: auto 0;
}

@media screen and (max-width: 600px) {
    .iteach-precent {
        display: none;
    }
}

.iteach-btn.iteach-playing #iteach-play {
    display: none;
}

.iteach-btn.iteach-paused #iteach-pause {
    display: none;
}

.iteach-btn.iteach-screen #iteach-quit-full {
    display: none;
}

.iteach-btn.iteach-screen.iteach-full #iteach-enter-full {
    display: none;
}
.iteach-btn.iteach-screen.iteach-full #iteach-quit-full {
    display: block;
}

.iteach-btn.iteach-disabled {
    opacity: 0.5;
    pointer-events: none;
}

.iteachPlayer.iteach-hided {
    cursor: pointer;
    left: 0px;
    bottom: -55px;
}

.iteach-show {
    transform: rotate(180deg);
    position: fixed;
    bottom: 0px;
    left: calc(50% - 12px);
    background: rgba(0, 0, 0, 0.3);
    margin: 0;
    padding: 8px;
    display: none;
}

.iteachNav {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100%;
    background: rgb(44, 56, 70);
    overflow-x: hidden;
    overflow-y: auto;
    box-sizing: border-box;
    border-right: 4px solid #777777;
    z-index: 1001;
}

.iteachNav.iteachNavHide {
    left: -260px;
}

.iteach-step {
    color: #f5f6f7;
    font-size: 14px;
    font-family: 'Microsoft Yahei';
    line-height: 20px;
    padding: 0px 16px;
    font-weight: 500;
    /* height: 40px; */
    overflow: hidden;
    text-overflow: ellipsis;
}

.iteach-step:hover {
    color: #ffffff;
    background: #536f90;
    cursor: pointer;
}

.iteach-step.iteach-step-show {
    background: #43afe2;
}

.iteach-group {
    color: #f5f6f7;
    font-size: 14px;
    font-family: 'Microsoft Yahei';
    line-height: 30px;
    padding: 5px 0px;
    font-weight: 600;
    cursor: pointer;
}

.iteach-group-show>.iteach-group-name>.iteach-group-arrow {
    transform: rotate(45deg);
}

.iteach-group-name {
    display: flex;
    align-items: flex-start;
    padding: 5px 10px;
}

.iteach-group-arrow {
    margin-top: 4px;
    min-width: 20px;
}

.iteach-group-name.iteach-group-playing {
    background: rgb(0, 159, 212);
}

.iteach-group .iteach-step {
    padding: 5px 23px;
}

::-webkit-scrollbar {
    width: 7px;
    height: 8px;
}

::-webkit-scrollbar-thumb {
    background-color: #cccccc;
}

::-webkit-scrollbar-track-piece {
    background: #ffffff;
}

.iteachNav-name {
    font-size: 18px;
    height: 40px;
    color: #009fd4;
    font-weight: bold;
    line-height: 40px;
    /* background-color: #0091d6; */
    /* margin: 10px 0px; */
    padding: 6px 10px 6px 15px;
    border-bottom: 1px solid #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.iteachNav-name.task {
    border: none;
}

.iteachNav-search {
    /* display: none; */
    height: 28px;
    border-radius: 14px;
    border: 1px solid #43afe2;
    font-size: 14px;
    padding: 0 8px 0 20px;
    width: 110px;
    background: #ffffff url('../images/iteach-search.svg') left center/18px
        no-repeat;
}

.iteachNav-search:focus {
    outline: none;
}

.iteachNavContainer {
    overflow: auto;
    max-height: calc(100% - 103px);
}

.iteachNavContainer.tasklist {
    padding: 4px 10px;
    box-sizing: border-box;
    color: #f5f6f7;
}

.iteach-step-hide {
    display: none !important;
}

#iteach-mouse {
    position: absolute;
    z-index: 2147483634;
    width: 30px;
    height: 30px;
    display: none;
    pointer-events: none;
    margin-top: -8px;
    margin-left: -11px;
}

#iteach-step-input {
    z-index: 2147483628;
    position: absolute;
    box-sizing: border-box;
}

input#iteach-step-btn,
textarea#iteach-step-btn {
    cursor: text;
}

.iteach-mouse-default {
    background: transparent url('../images/cursor/cursor-default.png')
        center/40px no-repeat;
}

.iteach-mouse-pointer {
    background: transparent url('../images/cursor/cursor-pointer.png')
        center/40px no-repeat;
}

.iteachNav-close {
    margin: 0;
}

.iteachNav-start {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 24px;
    z-index: 1000;
}

.iteachNav-startTxt {
    max-width: 60%;
    text-align: center;
}

.iteachNav-startTxt ol{
    text-align: left;
}

.iteachNav-startBtn {
    border: 1px solid #fff;
    min-width: 120px;
    height: 50px;
    line-height: 50px;
    font-size: 26px;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    margin: 0 auto;
    background: transparent;
    color: #ffffff;
}

.iteach-task {
    /* background: #FFF;
    color: rgb(44, 56, 70); */
    background: rgba(255, 255, 255, 0.2);
    color: #f5f6f7;
    line-height: 32px;
    padding: 3px 6px;
    border-top: 4px solid #009fd4;
    margin-top: 25px;
}

.iteach-hide {
    display: none;
}

.iteachPlayerBtns {
    width: calc(100% - 275px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    float: left;
}

@media screen and (max-width: 1100px) {
    .iteachPlayerBtns {
        width: calc(100% - 135px);
    }
}

@media screen and (max-width: 700px) {
    .iteachPlayerBtns {
        width: 100%;
    }
    .iteach-btn {
        margin: auto 5px;
    }
}

.iteach-logo-sm {
    left: 15px;
    min-width: 120px;
    height: 50px;
    float: left;
    margin-left: 10px;
    display: flex;
    justify-content: start;
    align-items: center;
    flex-wrap: wrap;
}

@media screen and (max-width: 1100px) {
    .iteach-logo-sm {
        display: none;
    }
    .iteach-help {
        display: none;
    }
}

.business-audio {
    display: none;
}

.business-audioBtn {
    background: transparent url(../images/audio/play.png) center/40px no-repeat;
    position: absolute;
    bottom: 10px;
    right: 15px;
    z-index: 1;
    width: 40px;
    height: 40px;
    cursor: pointer;
}

.business-audioBtn.business-playing {
    background-image: url(../images/audio/playing.png);
}

.know-icon {
    background: transparent url(../images/test/icon.png) center/100% no-repeat;
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 210px;
    height: 270px;
}

.iteach-music {
    background: url(../images/iteach-music.png) 0 0 no-repeat;
    width: 64px;
    height: 64px;
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
    display: none;
    z-index: 1;
}

.iteach-music.iteach-music-playing {
    animation: myimusic 4s infinite;
    -moz-animation: myimusic 4s infinite;
    -webkit-animation: myimusic 4s infinite;
    -o-animation: myimusic 4s infinite;
}

@keyframes myimusic {
    0% {
        transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
    }
}

@-moz-keyframes myfirst
/* Firefox */ {
    0% {
        transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
    }
}

@-webkit-keyframes myfirst
/* Safari 和 Chrome */ {
    0% {
        transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
    }
}

@-o-keyframes myfirst
/* Opera */ {
    0% {
        transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
    }
}

.iteachContainerXFull {
    width: 100%;
}

.iteachContainerYFull {
    height: 100%;
}

/* .walkfast-nav-item span {
    cursor: pointer;
} */

.iteachLang {
    background: url(../images/language-icon.png) 0 0 no-repeat;
    width: 110px;
    height: 35px;
    display: none;
    position: absolute;
    top: -55px;
    right: 20px;
}
.iteachLang:hover {
    cursor: pointer;
}
.iteachLang.iteachEn {
    background-position: 0 -35px;
}

.walkfast-tooltip-content p {
    margin: 0;
}

.iteach-copyright {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.iteach-copyright p {
    color: #626496;
    margin: 0;
}

.iteach-copyright a {
    color: #8282c9;
}

.iteach-copyright span {
    color: #666699;
    margin: 0 5px;
}

@media screen and (max-width: 700px) {
    .iteach-copyright {
        font-size: 12px;
    }
}

.ihw-logo {
    background: url(../images/hwlogo.png) 0 0 no-repeat;
    width: 60px;
    height: 60px;
    display: inline-block;
}

.iteach-logo-text {
    font-size: 12px;
    line-height: 18px;
    height: 18px;
    margin: 0;
    padding: 0;
    color: #ffffff;
    white-space: nowrap;
}

.iteachOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black url(../images/walkfast-loading.gif) center no-repeat;
    z-index: 1000;
}

@media screen and (max-width: 576px){
    .home-page {
        min-width: 100vw;
        height: 100vh;
    }
    h2.iteach-title{
        font-size:1.5em;
    }
    .iteach-box{
        padding:0;
        border:none;
        width: 90%;
    }
    .iteach-entryContainer{
        margin-top:0;
    }
    .iteach-music{
        transform: scale(0.75);
        right: 0;
        top: 5px;
    }

    .iteach-control-speed{display:none;}
    .iteach-txt-btn.iteach-switch {
        min-width: 124px;
    }
    .iteach-txt{
    font-size:12px;
    }
    .iteach-txt.active {
        border: 2px solid #f5f6f7;
        margin-left: -2px;
        margin-top: -2px;
    }
    .iteach-txt.active:last-child {
        border: 2px solid #f5f6f7;
        margin-right: -2px;
        margin-top: -2px;
    }
}.product {
	    font-size: 20px !important;
	    margin-bottom: 2px !important;
	    color: #cac9c9 !important;
	}