.index-sec1 {
    text-align: left;
    padding-top: 35px;
    background: url(../image/bg-1.jpg) no-repeat top center;
    background-size: 100%;
    background-color: #edeeef;
}

.index-sec1 .media-box {
    padding: 18px 30px;
    margin-bottom: 30px;
}

.index-sec1 .media-box:hover {
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 10px 10px 5px #ccc;
}

.index-sec1 .container h2 {
    font-size: 28px;
    color: #333333;
    text-align: center;
    font-weight: bold;
    line-height: 1.5;
    margin-bottom: 30px;
}

.index-sec1 .container h3 {
    font-size: 16px;
    color: #333333;
    line-height: 1.5;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.index-sec1 p {
    min-height: 40px;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp:2;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
}

.index-sec1 .media-box {
    position: relative;;
}
.index-sec1 .media-box a {
    position: relative;
    text-decoration: none;
    outline: 0;
    cursor: pointer;
}
.index-sec1 .downbtn-box {
    display: none;
    position:absolute;
    width:150px;
    right:0;
    top:45px;
    bottom:0;
    background: #fff;
}
.index-sec1 .downbtn-box a {
    width: 100px;
    border: 1px solid #9ac6ef;
    background-color: #dceeff;
    border-radius: 30px;
    display: block;
    line-height: 28px;
    text-align: center;
    font-size: 14px;
    color: #333333;
    margin: 0 auto;
}

.index-sec1 .downbtn-box a:hover {
    background-color: #0977da;
    color: #fff;
}


.index-sec2 {
    padding-top: 35px;
}

.index-sec2 .container h2 {
    font-size: 28px;
    color: #333333;
    text-align: center;
    font-weight: bold;
    line-height: 1.5;
}

.index-sec2 .container h6 {
    font-size: 18px;
    line-height: 1.5;
    color: #333333;
    text-align: center;
    font-weight: bold;
}

.index-sec2 .container p {
    font-size: 16px;
    line-height: 1.5;
    color: #666666;
    text-align: center;
    margin-top: 6px;
}

.index-sec2 .container .serve-list {
    margin: 30px;
}

.index-sec2 .container .serve-list ul {
    display: flex;
    justify-content: space-around;
    padding-left: 0;
}

.index-sec2 .container .serve-list li {
    width: 140px;
}

.index-sec2 .container .serve-list li p {
    font-size: 14px;
}

.index-sec3 {
    padding-top: 35px;
    background: url(../image/bg-2.jpg) no-repeat top center;
    background-size: auto 100%;
    background-color: #edeeef;
}

.index-sec3 .container h2 {
    font-size: 28px;
    color: #fff;
    text-align: center;
    font-weight: bold;
    line-height: 1.5;
}

.index-sec3 .container h6 {
    font-size: 38px;
    line-height: 1.5;
    color: #1890ff;
    text-align: center;
    font-weight: bold;
}

.index-sec3 .container p {
    font-size: 16px;
    line-height: 1.5;
    color: #fff;
    text-align: center;
    margin-top: 6px;
}

.index-sec3 .container .quality-list ul {
    display: flex;
    justify-content: space-around;
    margin: 90px 0 50px;
    padding-left: 0;
}

.index-sec3 .container .quality-list li {
    width: 140px;
}

.index-sec3 .container .quality-list li p {
    font-weight: bold;
    color: #d6d6d6;
    line-height: 1.5;
    font-size: 18px;
}

.index-sec4 {
    padding-top: 35px;
}

.index-sec4 .container h2 {
    font-size: 28px;
    color: #333333;
    text-align: center;
    font-weight: bold;
    line-height: 1.5;
}

.index-sec4 .container .why-list {
    margin: 30px;
}

.index-sec4 .container .why-list ul {
    display: flex;
    justify-content: space-around;
    padding-left: 0;
}

.index-sec4 .container .why-list li {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 246px;
    height: 140px;
    border: 1px solid #eee;
    background: #f8f8f8;
}

.index-sec4 .container .why-list li p {
    color: #333;
    line-height: 1.5;
    font-size: 18px;
    margin-top: 10px;
}