.research .or-banner img {
    width: 100%;
    margin-top: -5px;
}
.research .btn {
    border: 2px solid rgba(0, 0, 0, 0.17);
    border-radius: 4px;
    color: #4285f4;
    cursor: pointer;
    display: inline-block;
    line-height: normal;
    padding: 8px 13px;
    text-decoration: none;
    transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    min-width: 85px;
    text-align: center;
}
.research .btn:hover {
    background: #4285f4;
    border-color: #4285f4;
    color: #fff;
    text-decoration: none;
}
.research h1,
.research h2,
.research h3 {
    font-weight: 400;
}
.research h1 {
    font-size: 30px;
}
.research h2 {
    font-size: 26px;
}
.research h2 span.icon {
    display: inline-block;
    width: 30px;
    margin-right: 10px;
    text-align: center;
}
.research h3 {
    font-size: 18px;
}
.research ol li {
    list-style-type: decimal;
}
.research .module {
    margin: 35px 0;
    padding: 35px 45px;
    background-color: #fff;
    box-shadow: 0 2px 5px 0 rgba(32, 33, 36, 0.05), 0 19px 38px 0 rgba(32, 33, 36, 0.04);
}
.research .text {
    font-size: 18px;
    line-height: 26px;
}
.research .text p {
    margin: 16px 0 0 0;
}
.research .footer {
    margin-top: 20px;
    min-height: 40px;
    overflow: hidden;
}
.research .footer .contact {
    color: #666;
    float: right;
    line-height: 40px;
}
.research .section {
    margin: 10px 0;
    border-top: #ddd solid 1px;
    padding: 30px 0;
}
.research .section:first-of-type {
    border: none;
}
.research .section.row {
    margin-left: -15px;
    margin-right: -15px;
}
.research .box {
    margin: 0 0 20px 0;
    box-shadow: 0 2px 5px 0 rgba(32, 33, 36, 0.05), 0 19px 38px 0 rgba(32, 33, 36, 0.04);
}
.research .box .box_title {
    position: relative;
    background: #ffffff;
    color: inherit;
    border: 0;
    cursor: pointer;
    display: block;
    padding: 20px 25px;
    transition: background .25s linear;
}
.research .box .box_title:hover {
    background: #f1f3f4;
    color: initial;
}
.research .box .box_title.open {
    background: #4285f4;
    color: #fff;
}
.research .box .box_title.open .expandable {
    background-image: url(https://img.alicdn.com/tfs/TB1fUnaxNWYBuNjy1zkXXXGGpXa-17-10.svg);
    transform: rotate(180deg);
}
.research .box .box_title .expandable {
    background: center / contain no-repeat transparent;
    height: 16px;
    position: absolute;
    right: 25px;
    top: 22px;
    width: 16px;
    background-image: url(https://img.alicdn.com/tfs/TB1DgHuxGmWBuNjy1XaXXXCbXXa-17-10.svg);
}
.research .box .box_content {
    font-size: 16px;
    padding: 20px 25px;
    display: none;
}
.research .box .box_content.open {
    display: block;
}
.research .box .box_content p:first-of-type {
    margin-top: 0;
}