html{color:#000;background:#FFF}body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{margin:0;padding:0}table{border-collapse:collapse;border-spacing:0}fieldset,img{border:0}address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal}ol,ul{list-style:none}caption,th{text-align:left}h1,h3,h3,h4,h5,h6{font-size:100%;font-weight:normal}q:before,q:after{content:''}abbr,acronym{border:0;font-variant:normal}sup{vertical-align:text-top}sub{vertical-align:text-bottom}input,textarea,select{font-family:inherit;font-size:inherit;font-weight:inherit;*font-size:100%}legend{color:#000}
html{
    height:100%;
}
body{
    height: 100%;
    font-size: 14px;
    font-family: Arial,Helvetica,"Microsoft Yahei";
    color: rgb(110, 119, 129);
}
button, input {
    font-family: Arial,Helvetica,"Microsoft Yahei";
}
img{
    vertical-align: middle;
}
a{
    text-decoration: none;
    color: rgb(110, 119, 129);
}
a:hover{
    text-decoration: underline;
}


.scroll-container{
    position: relative;
    height: 100vh;
    scroll-snap-type: y mandatory;
    overflow: auto;
    scrollbar-gutter:stable;
    scroll-behavior:smooth
}
.scroll-container .scroll-item{
    position: relative;
    scroll-snap-align: center;
}
.scroll-container .scroll-item:before,.scroll-container .scroll-item:after {
    content:"";
    display:table;
 }
 .scroll-container .scroll-item:after { clear:both; }
header{
    position: sticky;
    left: 0;
    top: 0;
    width: 100%;
    height: 0;
    z-index: 99;
}
.inner{
    max-width: 1000px;
    padding: 0 10px;
    margin: 0 auto;
}
.module{
    margin: 60px 0;
}
.module .hd{
    margin: 0 5px 5px;
    line-height: 30px;
}
.module .hd span{
    font-size: 18px;
    font-weight: bold;
    color: #646464;
}

.mod-bg {
    position: absolute;
    left: 0;
    top: 0;
    height: 550px;
    width: 100%;
    z-index: -1;
    background: url('../image/bg.svg') center top repeat-x;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
.mod-bg:after {
    display: block;
    width: 100%;
    height: 360px;
    content: '';
    margin-bottom: -240px
}
.mod-bg .waves {
    position: absolute;
    width: 100%;
    bottom: 0;
    min-height: 80px;
    max-height: 120px;
    z-index: 0
}
.mod-bg .parallax>use {
    animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.1) infinite
}
.mod-bg .parallax>use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 7s
}
.mod-bg .parallax>use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s
}
.mod-bg .parallax>use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s
}
.mod-bg .parallax>use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s
}
@keyframes move-forever {
    0% {
        transform: translate3d(-90px, 0, 0)
    }
    100% {
        transform: translate3d(85px, 0, 0)
    }
}

.mod-head{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    backdrop-filter: blur(10px);
}
.mod-head .bd{
    height: 36px;
    padding: 10px 0;
    text-align: right;
}
.mod-head .bd span.language{
    float: left;
    display: inline-block;
    height: 36px;
    padding: 0 8px;
    background: rgba(255,255,255,0.3);
    border: 1px solid rgba(0,0,0,0.05);
    line-height: 36px;
    color: #666;
    border-radius: 6px;
}
.mod-head .bd span.language a{
    display: inline-block;
    padding: 0 4px;
}
.mod-head .bd span.language a.active{
    font-weight: bold;
    color: #333;
}
.mod-head .btn{
    position: relative;
    display: inline-block;
    min-width: 56px;
    height: 34px;
    padding: 0 12px;
    background: rgba(255,255,255,0.3);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 6px;
    line-height: 34px;
    text-decoration: none;
    text-align: center;
    font-size: 14px;
    color: #333;
    overflow: hidden;
    transition: color .2s,opacity .2s;
    font-family: Tahoma,Arial, Helvetica,"Microsoft YaHei";
    outline: none;
    -webkit-appearance: none;
}
.mod-head .btn:after {
    content: " ";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #000;
    left: 0;
    top: 0;
    opacity: 0;
    transition: opacity .2s;
    border-radius: 6px;
    overflow: hidden;
    pointer-events: none;
}
.mod-head .btn span,.mod-head .btn svg{
    vertical-align: middle;
}
.mod-head .btn svg,.mod-head .btn svg+span{
    position: relative;
    top: -1px;
}
.mod-head .btn:hover {
    color: #000;
    opacity: 1;
}
.mod-head .btn:hover:after {
    opacity: .02;
}


.mod-panel .bd{
    display: flex;
    padding-top: 20px;
}
.mod-panel .panel-left{
    width: 55%;
    padding-top: 15px;
	line-height: 22px;
}
.mod-panel .panel-left h1{
    margin-bottom: 10px;
	line-height: 30px;
    font-weight: bold;
	font-size: 30px;
	color:#1a2b3b;
}
.mod-panel .panel-left h1 span.name{
    display: block;
}
.mod-panel .panel-left h1 span.tag{
    display: inline-block;
    padding: 0 8px;
    margin: 0 5px;
    background: rgba(255, 255, 255,0.8);
    line-height: 26px;
    vertical-align: middle;
    font-size: 13px;
    color: rgb(110, 119, 129);
    border-radius: 4px;
    box-shadow: 0 1px 5px 0 rgba(0,0,0,0.03);
}
.mod-panel .panel-left p{
    line-height: 24px;
    font-size: 15px;
}
.mod-panel .panel-left p.text-gray{
    color: rgba(0,0,0,0.25);
}
.mod-panel .panel-left .picture,.mod-panel .panel-left .mobile{
    position: relative;
    width: 400px;
    text-align: center;
}
.mod-panel .panel-left .picture img{
    margin-left: -56px;
}
.mod-panel .panel-left .btn{
    position: relative;
    display: inline-block;
    height: 36px;
    padding: 0 24px;
    background: #2095f2;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 18px;
    line-height: 34px;
    text-decoration: none;
    text-align: center;
    font-size: 15px;
    color: #fff;
    transition: color .2s,opacity .2s;
    font-family: Tahoma,Arial, Helvetica,"Microsoft YaHei";
    outline: none;
    -webkit-appearance: none;
}
.mod-panel .panel-left .btn span.name{
    display: inline-block;
    padding-right: 30px;
    background: url('../image/scan.png') right center / 16px 16px no-repeat;
}
.mod-panel .panel-left .btn span.qrcode{
    display: none;
    position: absolute;
    right: -160px;
    top: 50%;
    z-index:999;
    width: 160px;
    height: 160px;
    margin-top: -84px;
    border: 2px solid rgba(0,0,0,0.1);
}
.mod-panel .panel-left .btn span.qrcode img{
    width: 150px;
    height: 150px;
    padding: 5px;
    background: #fff;
}
.mod-panel .panel-left  .btn span.qrcode::after{
    position: absolute;
    left: -6px;
    top: 50%;
    margin-top: -6px;
    display: block;
    content: '';
    width: 12px;
    height: 12px;
    background: #fff;
    box-shadow: -2px 2px 0 rgba(0,0,0,0.1);
    transform: rotate(45deg);
}
.mod-panel .panel-left .btn:hover {
    background: #207fcc;
}
.mod-panel .panel-left .btn:hover span.qrcode{
    display: block;
}
.mod-panel .panel-left b{
	margin: 0 3px;
	color: #fd7474;
}
.mod-panel .panel-right{
    width: 45%;
}
.mod-panel .panel-right .c-hd{
	height: 44px;
    margin-bottom: 10px;
}
.mod-panel .panel-right .c-hd ul{
    display: flex;
}
.mod-panel .panel-right .c-hd li{
	flex: 1;
	height: 44px;
	line-height: 44px;
}
.mod-panel .panel-right .c-hd li a{
    position: relative;
	display: block;
	text-align: center;
	text-decoration: none;
    font-size: 16px;
    font-weight: bold;
	color: rgba(0,0,0,0.25);
    cursor: pointer;
    transition:  all 0.25s ease-in;
}
.mod-panel .panel-right .c-hd li a::after{
	position: absolute;
	left: 50%;
	bottom: 0;
	display: block;
	content: '';
	width: 0px;
	height: 0px;
	margin-left: 0px;
	background: #2095f2;
	border-radius: 0px;
    transition:  all 0.25s ease-in;
}
.mod-panel .panel-right .c-hd li.active a{
    flex: 1.5;
    font-size: 18px;
	color: rgba(0,0,0,0.9);
}
.mod-panel .panel-right .c-hd li.active a::after{
	position: absolute;
	left: 50%;
	bottom: 0;
	display: block;
	content: '';
	width: 16px;
	height: 6px;
	margin-left: -8px;
	background: #2095f2;
	border-radius: 3px;
}
.mod-panel .panel-right .c-bd{
    height: 450px;
    padding: 18px 20px;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.025);
    border: 1px solid rgba(0,0,0,0.025);
    border-radius: 12px;
}
.mod-panel .panel-right .c-panel{
	display: none;
}
.mod-panel .panel-right .c-panel .operation{
	margin: 10px 0;
}
.mod-panel .panel-right .c-panel .row{
    margin-bottom: 5px;
}
.mod-panel .panel-right .c-panel .field{
    line-height: 28px;
}
.mod-panel .panel-right .c-panel .intro{
    padding: 10px 15px;
    margin: 25px 0;
    background: #fffbf5;
    line-height: 24px;
    color: #666;
    border-radius: 5px;
}
.mod-panel .panel-right .c-panel .intro h3{
    line-height: 30px;
    font-weight: bold;
    font-size: 15px;
    color: #666;
}
.mod-panel .panel-right p{
    overflow: hidden;
}
.mod-panel .panel-right label{
	display: inline-block;
	min-width: 90px;
	margin-right: 15px;
}
.mod-panel .panel-right label span,.mod-panel .panel-right label input{
    vertical-align: middle;
}
.mod-panel .panel-right .input-text{
	display: inline-block;
    width: 100%;
    height: 36px;
    background: #fafafa;
	border: 1px solid #ebebeb;
    padding: 5px 10px;
	box-sizing: border-box;
    line-height: 20px;
    border-radius: 5px;
    outline: none;
}
.mod-panel .panel-right .input-text-small{
	width: 200px;
}
.mod-panel .panel-right .text-right{
   text-align: right;
}
.mod-panel .panel-right .btn {
    height: 32px;
    min-width: 80px;
    background: #f0f0f0;
    border: medium none;
    line-height: 30px;
    vertical-align: middle;
    font-size: 15px;
    color: #333333;
    cursor: pointer;
    outline: none;
    border-radius: 4px;
    box-sizing: border-box;
}
.mod-panel .panel-right .btn:hover{
	background: #e4e4e4;
}
.mod-panel .panel-right .btn-green{
	background: #4bae4f;
	color: #fff;
}
.mod-panel .panel-right .btn-green:hover{
	background: #47a04b;
}
.mod-panel .panel-right .btn-red{
	background: #f56954;
	color: #fff;
}
.mod-panel .panel-right .btn-red:hover{
	background: #f4543c;;
}
.mod-panel .panel-right .btn-orange{
	background: #ff9000;
	color: #fff;
}
.mod-panel .panel-right .btn-orange:hover{
	background: #e18309;
}
.mod-panel .panel-right .btn-small{
    min-width: 36px;
    margin-right: -1px;
    cursor: pointer;
}
.mod-panel .panel-right .btn[disabled]{
	background: #f0f0f0;
	color: #aaa;
}
.mod-panel .panel-right textarea{
    display: block;
	width: 100%;
	height: 120px;
	padding:5px 10px;
    background: #fafafa;
	border: 1px solid #ebebeb;
	box-sizing: border-box;
	border-radius: 5px;
	resize: none;
	outline: none;
}
.mod-panel .panel-right p{
    line-height: 22px;
}
.mod-panel .panel-right p span{
    margin-right: 4px;
}

.mod-intro .bd ul{
    overflow: hidden;
}
.mod-intro .bd li{
    float: left;
    width: 33.33%;
}
.mod-intro .bd .item{
    padding: 15px;
    margin: 0 5px 10px;
    background: rgb(246, 248, 250);
    border-radius: 12px;
}
.mod-intro .bd p{
    line-height: 22px;
}
.mod-intro .bd p strong{
    margin-right: 5px;
    font-size: 24px;
    font-weight: bold;
    font-family: fantasy;
    color: #8b949e;
}
.mod-intro .bd p.q{
    line-height: 28px;
    font-weight: bold;
    color: #646464;
}
.mod-intro .article p{
    line-height: 22px;
    text-indent: 2em;
}
.mod-intro .table-inner{
    overflow-x: auto;
}

.mod-feature .bd{
    display: flex;
    padding: 25px 0;
}
.mod-feature .bd ul{
    width: 350px;
    padding: 25px 0;
}
.mod-feature .bd li{
    padding: 20px;
    margin: 5px 0;
    margin-left: 15px;
    background: linear-gradient(to right, #f6f8fa 0, transparent 100%);
    line-height: 28px;
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
    opacity: 0.75;
    transition: all 0.25s ease-in;
    cursor: pointer;
}
.mod-feature .bd li.active{
    opacity: 1;
    margin-left: 0;
}
.mod-feature .bd li p.title{
    font-size: 20px;
    font-weight: bold;
}
.mod-feature .bd li p.desc{
    font-size: 16px;
    color: #999;
}
.mod-feature .panels{
    flex: 1;
    min-width: 0;
    padding: 20px;
    background: url('../image/summary-bg.svg') center center repeat;
}
.mod-feature .panel{
    display: none;
    position: relative;
    height: 100%;
    padding: 20px 0 100px;
    text-align: center;
    box-sizing: border-box;
    justify-content: center;
}
.mod-feature .panel.active{
    display: flex;
}
.mod-feature .panel .slogan{
    position: absolute;
    right: 0;
    bottom: 10px;
    padding: 15px;
    background: #f5f5f5;
    line-height: 30px;
    font-size: 24px;
    font-weight: bold;
}

.mod-article .banner{
    height: 120px;
    padding: 20px 20px 20px 38%;
    background: linear-gradient(to right,rgba(0,0,0,0) 0%, rgba(246,248,250,0.5) 100%);
    border-radius: 12px;
    line-height: 27px;
    vertical-align: middle;
    text-align: right;
    font-size: 30px;
    font-weight: bold;
    color: #8b949e;
}
.mod-article .banner span{
    display: inline-block;
    white-space: nowrap;
    transform: scale(1);
}
.mod-article .banner span:hover{
    transform: scale(1.2);
    transition: all 0.25s ease-in;
}
.mod-article .banner span:nth-child(7n){
    opacity: 0.15;
    zoom: 0.6;
}
.mod-article .banner span:nth-child(7n+1){
    opacity: 0.35;
    zoom: 0.7;
}
.mod-article .banner span:nth-child(7n+2){
    opacity: 0.25;
    zoom: 0.6;
}
.mod-article .banner span:nth-child(7n+3){
    opacity: 0.30;
    zoom: 0.9;
}
.mod-article .banner span:nth-child(7n+4){
    opacity: 0.45;
    zoom: 0.8;
}
.mod-article .banner span:nth-child(7n+5){
    opacity: 0.40;
    zoom: 0.7;
}
.mod-article .banner span:nth-child(7n+6){
    opacity: 0.65;
    zoom: 1;
}
.mod-article .hd{
    margin-top: -36px;
}
.mod-article .hd span{
    font-size: 24px;
}
.mod-article .bd{
    position: relative;
    padding: 30px 0;
}
.mod-article .bd::before{
    position: absolute;
    top: 0;
    left: 0;
    content: '“';
    font-size: 60px;
    border-radius: 6px;
}
.mod-article .bd::after{
    position: absolute;
    bottom: -10px;
    right: 0;
    content: '”';
    font-size: 60px;
    border-radius: 6px;
}
.mod-article .bd p{
    margin-bottom: 12px;
    line-height: 28px;
    font-size: 15px;
    text-indent: 2em;
}

.mod-app{
    margin: 120px 0 80px;
}
.mod-app .hd{
    text-align: center;
}
.mod-app .bd ul{
    padding: 20px 0;
    text-align: center;
    overflow: hidden;
}
.mod-app .bd li{
    display: inline-block;
    width: 12%;
    margin-bottom: 15px;
}
.mod-app .bd .app span{
    display: block;
    margin:0 15px;
    line-height: 32px;
    text-align: center;
}
.mod-app .bd .app span.icon{
    margin-bottom: 5px;
}

.mod-copy{
    position: relative;
    padding: 15px 0 45px;
    margin-bottom: 125px;
    background: rgb(246, 248, 250);
}
.mod-copy::before {
    position: absolute;
    left: 0;
    top: -64px;
    display: block;
    content: '';
    width: 0px;
    border-color: #fff;
    border-style: solid;
    border-width: 0 98vw 64px 0;
    border-bottom-color: rgb(246, 248, 250);
}
.mod-copy::after {
    position: absolute;
    right: 0;
    bottom: -80px;
    display: block;
    content: '';
    width: 0px;
    border-color: #fff;
    border-style: solid;
    border-width: 80px 22vw 0 61.8vw;
    border-top-color: rgb(233 236 240);
}
.mod-copy .bd{
    margin:0 5px;
}
.mod-copy .bd p{
    margin-bottom: 10px;
    line-height: 26px;
    text-indent: 2em;
    font-size: 15px;
}
.mod-copy .bd .buttons{
    margin: 15px 0;
}
.mod-copy .bd .text-blue{
    font-weight: bold;
    color: #48aeff;
}
.mod-copy .bd .text-red{
    font-weight: bold;
    color: #fd7474;
}
.mod-copy .bd code{
    display: block;
    padding: 8px 15px;
    line-height: 20px;
    background: #fff;
    border: 1px solid rgba(27,31,36,.15);
    border-radius: 5px;
    word-break: break-word;
}

.mod-challenge .bd{
    position: relative;
    display: flex;
    padding: 25px;
    background: #f4f9fe;
    border: 1px solid #f2f2f2;
    border-radius: 12px;
    line-height: 36px;
    overflow: hidden;
}
.mod-challenge .bd .summary{
    flex: 1;
    min-width: 0;
}
.mod-challenge .bd h3{
    font-size: 24px;
    font-weight: bold;
}
.mod-challenge .bd p{
    font-size: 18px;
    color: rgba(110, 119, 129, 0.8);
}
.mod-challenge .bd::after{
    position: absolute;
    right: 0;
    top: 0;
    z-index: 0;
    content: '';
    width: 80%;
    height: 100%;
    background: linear-gradient(to right,#2095f200 0,#2095f222 100%);
}
.mod-challenge .operation{
    align-content: center;
}
.mod-challenge .btn {
    position: relative;
    z-index: 9;
    display: inline-block;
    height: 48px;
    padding: 0 32px;
    background: #2095f2;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 24px;
    line-height: 48px;
    text-decoration: none;
    text-align: center;
    font-size: 18px;
    color: #fff;
    transition: color .2s, opacity .2s;
    font-family: Tahoma, Arial, Helvetica, "Microsoft YaHei";
    outline: none;
    -webkit-appearance: none;
}
.mod-challenge .btn:hover{
    background: #207fcc;
}

.mod-foot .hd{
    margin-bottom: 5px;
    line-height: 32px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    color: #646464;
}
.mod-foot .bd .box{
    margin: 0 auto;
    text-align: center;
    overflow: hidden;
}
.mod-foot .bd .box .item{
    display: inline-block;
    margin: 0 5px 10px;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
}
.mod-foot .bd{
    padding: 10px 0;
    margin-bottom: 15px;
    text-align: center;
}
.mod-foot .ft p{
    margin-bottom: 10px;
    line-height: 30px;
    text-align: center;
}
.mod-foot .ft p a,.mod-foot .bd p span{
    vertical-align: middle;
}
.mod-foot .ft p.buttons{
    margin: 10px 0 5px;
}

.mod-fixedbar .bd {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 99;
}
.mod-fixedbar .bd a{
    position: relative;
    display: block;
    width: 48px;
    height: 48px;
    margin-bottom: 2px;
    background: rgba(255,255,255,0.8);
    border: 1px solid #f0f0f0;
    line-height: 48px;
    text-align: center;
}
.mod-fixedbar .bd .popup{
    display: none;
    position: absolute;
    right: 50px;
    bottom: 0;
    z-index: 99;
    border: 1px solid #f0f0f0;
    box-shadow: 0 0 2px 0 rgba(0,0,0,0.05);
}
.mod-fixedbar .bd a:hover{
    background: rgba(255,255,255,0.9);
}
.mod-fixedbar .bd a:hover .popup{
    display: block;
}

@media screen and (max-width: 1020px) {
    .scroll-container{
        height: auto;     
        scroll-snap-type: none;
    }
    header{
        position: fixed;
    }
    .inner{
        max-width: 640px;
    }
    .module{
        margin: 20px 0;
    }

    .mod-head .hd span.tag{
        padding: 5px 8px;
    }
    .mod-head .bd .btn{
        padding: 0 6px;
        font-size: 13px;
    }

    .mod-panel{
        padding-top: 20px;
    }
    .mod-panel .bd{
        flex-direction: column;
    }
    .mod-panel .panel-left,.mod-panel .panel-right{
        width: auto;
    }
    .mod-panel .panel-left{
        float: none;
        padding-top: 0;
        width: auto;
        margin-bottom: 20px;
        text-align: center;
    }
    .mod-panel .panel-left h1{
        margin-bottom: 5px;
        line-height: 26px;
        font-size: 20px;
    }
    .mod-panel .panel-left h1 span.name{
        display: inline;
    }
    .mod-panel .panel-left p{
        line-height: 22px;
        font-size: 13px;
        overflow: hidden;
    }
    .mod-panel .panel-left .picture{
        width: auto;
        padding-top: 0;
    }
    .mod-panel .panel-left .mobile{
        width: auto;
    }
    .mod-panel .panel-left .picture img{
        width: 256px;
        height: 160px;
        margin-left: 0;
    }
    .mod-panel .panel-left .btn{
        display: block;
        margin: 0 auto;
    }
    .mod-panel .panel-left .btn span.name{
        padding-right: 0;
        background: none;
    }
    .mod-panel .panel-left .btn span.qrcode{
        display: none!important;
    }
    .mod-panel .panel-right{
        margin-left: 0;
    }
    .mod-panel .panel-right .c-hd{
        text-align: center;
    }
	.mod-panel .panel-right .c-hd ul{
		overflow-x: auto;
		white-space: nowrap;
	}
	.mod-panel .panel-right .c-hd li{
		float: none;
		display: inline-block;
		width: auto;
        min-width: 24%
	}
	.mod-panel .panel-right .c-hd li a{
		padding: 0 4px;
	}
    .mod-panel .panel-right .c-bd{
        height: auto;
    }
    .mod-panel textarea{
        width: 100%;
        height: 80px;
        box-sizing: border-box;
    }
    .mod-panel .panel-right p span{
        float: left;
        width: 50%;
        text-align: center;
        margin-right: 0;
    }
    .mod-panel .btn{
        width: 48%;
        margin-bottom: 5px;
        line-height: 24px;
    }
    .mod-panel .btn-3{
        width: 32%;
    }

    .mod-intro{
        margin-bottom: 35px;
    }
    .mod-intro .bd li{
        float: none;
        width: auto;
    }
    .mod-intro .bd .item{
        margin: 0 5px 5px;
    }

    .mod-feature .bd{
        flex-direction: column;
    }
    .mod-feature .bd ul{
        width: auto;
        padding: 10px 0;
        display: grid;
        grid-template-columns: repeat(2,1fr);
    }
    .mod-feature .bd li{
        padding: 12px;
        margin: 2px 0;
        line-height: 20px;
    }
    .mod-feature .bd li p.title{
        font-size: 16px;
    }
    .mod-feature .bd li p.desc{
        font-size: 12px;
    }
    .mod-feature .panels{
        min-width: 0;
        padding: 10px 0;
    }
    .mod-feature .panel{
        padding: 20px 0 70px;
    }
    .mod-feature .panel img{
        height: 160px;
    }
    .mod-feature .panel .slogan{
        padding: 10px;
        line-height: 24px;
        font-size: 16px;
    }

    .mod-article{
        margin-bottom: 55px;
    }
    .mod-article .banner{
        height: auto;
        padding: 15px;
        line-height: 20px;
        font-size: 20px;
    }
    .mod-article .hd{
        margin-top: 0;
    }
    .mod-article .bd{
        padding: 15px 0;
    }
    .mod-article .bd::before{
        font-size: 48px;
    }
    .mod-article .bd::after{
        font-size: 48px;
    }
    .mod-article .bd p{
        margin-bottom: 7px;
        line-height: 22px;
        font-size: 14px;
    }

    .mod-app{
        margin-bottom: 25px;
    }
    .mod-app .bd ul{
        padding: 10px 0;
    }
    .mod-app .bd li{
        display: inline-block;
        width: 48%;
    }

    .mod-copy{
        padding: 15px 0 25px;
        margin-bottom: 55px;
    }
    .mod-copy .bd p{
        line-height: 22px;
        font-size: 14px;
    }
    .mod-copy::after {
        bottom: -45px;
        border-width: 45px 22vw 0 61.8vw;
    }

    .mod-challenge .bd{
        flex-direction: column;
        padding: 20px;
        line-height: 30px;
    }
    .mod-challenge .bd .summary{
        margin-bottom: 10px;
    }
    .mod-challenge .bd h3{
        font-size: 20px;
    }
    .mod-challenge .bd p{
        font-size: 14px;
    }
    .mod-challenge .operation{
        text-align: right;
    }
    .mod-challenge .btn{
        height: 40px;
        padding: 0 24px;
        line-height: 40px;
        font-size: 16px;
    }
}

@media screen and (max-width: 640px) {
    .mod-panel .panel-right .c-hd{
        margin-bottom: 4px;
    }
    .mod-panel .panel-right .c-hd li a{
        font-size: 14px;
    }
    .mod-panel .panel-right .c-hd li.active a{
        font-size: 16px;
    }
    .mod-panel .panel-right .c-bd{
        padding: 15px 10px;
    }
    .mod-panel .panel-right .c-hd li.active a::after{
        height: 4px;
    }

    .mod-intro .hd{
        margin: 0 0 5px;
    }
    .mod-intro .bd .item{
        margin: 0 0 5px;
    }

    .mod-fixedbar .bd {
        right: 10px;
        bottom: 10px;
    }
    .mod-fixedbar .bd a{
        width: 36px;
        height: 36px;
        line-height: 36px;
    }
}