body {
    background: #f2f3f9;
}
.banner {
    padding-top: 120px;
    padding-right: 130px;
    color: #ffffff;
    background: url('../images/advantage/3.jpg') no-repeat;
    background-position: top center;
    background-attachment: fixed;
    height: 440px;
}
.banner p {
    text-align: right;
}
.banner p.small {
    font-size: 30px;
    margin-bottom: 15px;
}
.banner p.large {
    font-size: 50px;
    font-weight: bold;
}
.content {
    width: 100%;
    padding-bottom: 100px;
}
.left_div {
    float: left;
    width: 300px;
}
.left_div>div {
    font-size: 18px;
    color: #222222;
    line-height: 60px;
    padding-left: 135px;
    position: relative;
}
.left_div.en>div {
    padding-left: 55px;
}
.left_div div i {
    font-size: 25px;
    color: #b6b6b6;
    position: absolute;
    left: 100px;
    top: 50%;
    transform: translateY(-50%);
}
.left_div.en div i {
    left: 20px;
}
.left_div ul li {
    position: relative;
}
.left_div ul li:hover {
    background: #d4181c;
}
.left_div ul li:hover a {
    color: #ffffff;
}
.left_div ul li a{
    display: block;
    padding-left: 135px;
    line-height: 60px;
    color: #777777;
    font-size: 16px;
    font-weight: bold;
}
.left_div.en ul li a {
    padding-left: 55px;
}
.left_div ul li.active {
    background: #d4181c;
}
.left_div ul li.active a {
    color: #ffffff;
}
.left_div ul li div {
    width: 20px;
    height: 2px;
    background: #ffffff;
    position: absolute;
    right: 5px;
    top: 29px;
}
.right_content {
    width: calc(100% - 300px);
    padding-left: 50px;
    background: #ffffff;
    box-shadow: 0 0 10px 2px rgba(0,0,0,.1);
    margin-top: -80px;
    padding-bottom: 100px;
    float: left;
}
.right_content .crumbs_box {
    padding: 30px 0;
    padding-left: 35px;
    border-bottom: 2px solid #777777;
    position: relative;
}
.right_content .crumbs_box a {
    font-size: 16px;
    color: #222222;
}
.right_content .crumbs_box a:last-child {
    cursor: inherit;
}
.right_content .crumbs_box i {
    font-size: 25px;
    color: #b6b6b6;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}
.right_content dl {
    display: flex;
    padding-top: 60px;
    padding-right: 100px;
}
.right_content dl dd {
    flex: 1;
    height: 600px;
    overflow: hidden;
    background: url("../images/advantage/5-2.jpg") no-repeat;
    background-position: left top;
}
.right_content dl.en dd {
    height: 804px;
    background: url("../images/advantage/5-2-e.jpg") no-repeat;
    background-position: left -30px;
}
.right_content dl dt {
    width: 60%;
    min-width: 600px;
    max-width: 820px;
}
.right_content dl dt .item {
    width: 50%;
    max-width: 410px;
    min-width: 300px;
    text-align: center;
    float: left;
    height: 300px;
    padding: 0 10px;
    padding-top: 40px;
    background: #f3f3f3;

}
.right_content dl.en dt .item {
    height: 402px;
    padding: 0 30px;
    padding-bottom: 14px;
    padding-top: 40px;
}
.right_content dl dt .item:nth-child(2),
.right_content dl dt .item:nth-child(3) {
    background: #f9f9f9;
}
.right_content dl dt p.title {
    font-size: 20px;
    font-weight: bold;
    color: #222222;
    margin-bottom: 20px;
}
.right_content dl.en dt p.title {
    font-size: 18px;
}
.right_content dl dt p.intro {
    font-size: 16px;
    color: #222222;
    line-height: 32px;
    margin-top: 10px;
    display: inline-block;
    text-align: left;
    max-height: 130px;
    overflow-y: auto;
}
.right_content dl.en dt p.intro {
    max-height: none;
    line-height: 26px;
    font-size: 14px;
}
.right_content dl dt p.intro::-webkit-scrollbar {
    width:5px;
    height:5px;
}
.right_content dl dt p.intro::-webkit-scrollbar-button {
    display: none;
    height: 40px;
}
.right_content dl dt p.intro::-webkit-scrollbar-track {
    background:#F7F7F7;
}
.right_content dl dt p.intro::-webkit-scrollbar-thumb{
    background:#999999;
    border-radius:5px;
}
.right_content dl dt .item i {
    font-size: 50px;
    color: #d4181c;
}
.right_content dl dt p b {
    font-size: 18px;
}