@charset "UTF-8";
/**********上岸护航专题页 start********/
body{background:#f1f1f1;}
.library_banner{
    position:relative;
    width:100%;
    min-width:1280px;
    height:430px;
    overflow:hidden;
}
.library_center{
    position:absolute;
    left:50%;
    transform: translate(-50%,0);
    width:1920px;
    height:425px;
    background:url("../images/library_banner.jpg") no-repeat top center;
}

#paper_box{
    min-height:500px;
    margin:20px auto;
}
.paper_button{
    display:flex;
    justify-content:center;
    width:100%;
    overflow:hidden;
}
.paper_button li{
    display:flex; 
    justify-content:center;
    align-items:center;
    width:300px;
    line-height:60px;
    background:#fff;
    box-shadow:0 0 8px 0 rgba(0, 0, 0, 0.1);
    border-radius:60px;
    color:#000;
    font-size:22px;
    font-weight:bold;
    margin:20px 15px;
    cursor:pointer;
    text-align: center;
}
.paper_button li i{
    width:25px;
    height:25px;
    background-size:cover;
    margin-right:12px;
}
.paper_button li:first-child i{
    background:url("../images/library_tb.png") no-repeat center;
    background-position: 0 0;
}
.paper_button li:first-child.active i{
    background:url("../images/library_tb.png") no-repeat center;
    background-position: 0 -25px;
}
.paper_button li:nth-child(2) i{
    background:url("../images/library_tb.png") no-repeat center;
    background-position:-25px 0;
}
.paper_button li:nth-child(2).active i{
    background:url("../images/library_tb.png") no-repeat center;
    background-position: -25px -25px;
}
.paper_button li:last-child i{
    background:url("../images/library_tb.png") no-repeat center;
    background-position:-50px 0;
}
.paper_button li:last-child.active i{
    background:url("../images/library_tb.png") no-repeat center;
    background-position: -50px -25px;
}
.paper_button li.active{
    color:#fff;
    background:#1d4a9f;
}
.paper_button li:nth-child(2).active{
    color:#fff;
    background:#ee6522;
    border-color:#ee6522;
}
.paper_button li:last-child.active{
    color:#fff;
    background:#ee9802;
    border-color:#ee9802;
}

.paper_list{
    width:100%;
    margin:35px auto 0;
    overflow:hidden;
    box-sizing: border-box;
    display: none;
}
.paper_list li{
    float:left;
    position:relative;
    width:calc((100% - 50px)/3);
    height:320px;
    background: #fff;
    border-radius: 28px;
    padding:70px 35px 35px;
    margin:40px 25px 25px 0;
    box-sizing: border-box;
}
.paper_list li:nth-child(3n){
    margin-right:0;
}
.paper_list li::before,
.paper_list li::after {
    content: "";
    position:absolute;
    z-index:1;
    width:30px;
    height:39px;
    top:0;
    background: #c6d1ed;
}
.paper_list li::before {
    left:calc(50% - 182px);
    clip-path: polygon(
        0 0,
        100% 0,
        100% 100%,
        55% 100%
    );
}
.paper_list li::after {
    right: calc(50% - 182px);
    clip-path: polygon(
        0 0,
        100% 0,
        40% 100%,
        0 100%
    );
}

.paper_title {
    position: absolute;
    z-index: 2;
    top: -39px;
    left: 50%;
    width: 329px;
    height:78px;
    line-height:78px;
    transform: translateX(-50%);
    background: #1d4a9f;
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    border-radius: 30px 30px 0 0;
    text-align: center;
}
.paper_name {
    width:100%;
    font-size:19px;
    line-height:1.9;
    color: #333;
    text-align: justify;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 4;
}
.paper_btn {
    position:absolute;
    left:35px;
    right:35px;
    bottom:35px;
    width:100%l;
    overflow:hidden;
}
.paper_btn a{
    float:left;
    width:calc((100% - 20px)/2);
    line-height:50px;
    border-radius:10px;
    font-size:18px;
    border:1px solid #1d4a9f;
    text-align:center;
    transition: all .2s;
    box-sizing: border-box;
}
.paper_btn a:first-child{
    margin-right:20px;
}

.btn_view {
    color: #1d4a9f;
    background: #fff;
    
}
.btn_view:hover {
    color: #1d4a9f;
    background:#eaf1ff;
}
.btn_answer {
    color: #fff;
    background: #1d4a9f;
}
.btn_answer:hover {
    color:#fff;
    background:#063b9f;
}


.paper_list2 li::before,
.paper_list2 li::after {
    background: #edcdbc;
}
.paper_list2 .paper_title,
.paper_list2 .btn_answer{
    background: #f56d2d;
}
.paper_list2 .paper_btn a{border-color:#f56d2d;}
.paper_list2 .btn_view{color:#f56d2d;}
.paper_list2 .btn_view:hover {
    color: #f56d2d;
    background:#ffebe1;
}
.paper_list2 .btn_answer:hover {
    color:#fff;
    background:#de5211;
}


.paper_list3 li::before,
.paper_list3 li::after {
    background: #eddbbc;
}
.paper_list3 .paper_title,
.paper_list3 .btn_answer{
    background: #ee9802;
}
.paper_list3 .paper_btn a{border-color:#ee9802;}
.paper_list3 .btn_view{color:#ee9802;}
.paper_list3 .btn_view:hover {
    color: #ee9802;
    background:#fff6e5;
}
.paper_list3 .btn_answer:hover {
    color:#fff;
    background:#ffa200;
}
/**********上岸护航专题页 end********/