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

.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
    overflow: hidden;
}

.clearfix {
    zoom: 1;
}


.w1200 {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

/* btn */

.down-btn {
    width: 280px;
    display: block;
    background: linear-gradient(-90deg, rgba(85, 113, 255, 1), rgba(21, 87, 255, 1));
    background: #1557FF;
    font-size: 0;
    text-align: center;
    box-shadow: 0px 5px 24px 0px rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.down-btn span {
    display: inline-block;
    line-height: 60px;
    color: #fff;
    font-size: 20px;
}

.down-btn:hover {
    background: #527EFF;
}

.down-btn:active {
    background: #2C35DC;
}


/*  */

.index-line-center {
    padding: 60px 0 80px;
}

.index-line-center>h2 {
    font-size: 34px;
    color: #333333;
    text-align: center;
    line-height: 1;
    padding-bottom: 36px;
    position: relative;
}

.index-line-center>h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    width: 100px;
    height: 4px;
    background: #358CFF;
    left: 50%;
    margin-left: -50px;
}


#dian {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 1;
}

#dian1 {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 1;
}

.js-canvas-box {
    position: relative;
}

.canvas-br {
    position: relative;
    z-index: 2;
}

.function-ctt img {
    display: block;
    margin: 0 auto;
}

.function-ctt h3 {
    text-align: center;
    font-size: 22px;
    color: #666666;
    margin-top: 12px;
    line-height: 1;
}

.function-ctt p {
    text-align: center;
    font-size: 12px;
    color: #999999;
    margin-top: 18px;
    line-height: 2;
}

.function-ctt:hover {
    background: rgba(144, 186, 255, .11);
}

.index-img-text {
    padding: 95px 0;
}

.index-text {
    width: 50%;
    float: left;
    padding-top: 74px;
}

.index-text>div h3 {
    font-size: 30px;
    color: #333333;
    line-height: 1.5;
}

.index-text>div p {
    font-size: 14px;
    color: #666666;
    line-height: 1.8;
    margin-top: 30px;
    margin-bottom: 35px;
}

.index-img {
    float: left;
    width: 50%;
}

.index-img img {
    box-shadow: 0px 5px 24px 0px rgba(0, 0, 0, 0.1);
}

.function-list {
    margin-top: 35px;
}

.function-list li {
    width: 18.6%;
    float: left;
}

.function-list li+li {
    margin-left: 1.75%;
}

.function-ctt {
    padding: 22px 18px 40px;
    background: #fff;
    box-shadow: 0px 7px 43px 0px rgba(228, 237, 251, 0.6);
}

.function-ctt img {
    display: block;
    margin: 0 auto;
}