/* The setting of button list style in the achievement page */

section {
    width: 1520px;
    margin: 0 auto;
    margin-bottom: 100px;
}

section .index-structure {
    width: 400px;
    height: 50px;
    margin-top: 0;
    margin-right: 200px;
    padding-top: 22px;
    font-size: 15px;
    font-weight: 300;
}

.index-structure-add {
    border-bottom: solid 1px rgba(0, 0, 128, 0.6);
    color: rgba(0, 0, 128, 0.6);
}

section .article {
    list-style-type: none;
    line-height: 25px;
    margin-top: 50px;
}

section .article .top-list>li {
    margin-bottom: 30px;
}

section .article .top-list a {
    font-size: 1.5em;
    font-weight: 300;
    color: rgba(34, 68, 119, 0.85);
}

section .article .top-list>li>div:hover {
    cursor: pointer;
}

section .article .top-list>li>div:hover a {
    color: rgba(0, 0, 255, 0.85);
    border-bottom: solid 1px rgba(0, 0, 255, 0.85);
}

section .article .top-list .second-list-first, section .article .top-list .second-list-second, section .article .top-list .second-list-third, section .article .top-list .second-list-fourth {
    display: none;
    border: solid 1px lightgray;
    border-radius: 10px;
    margin-top: 20px;
    width: 1300px;
    height: 1575px;
    position: relative;
}

section .article .top-list .second-list-second {
    height: 800px;
}

section .article .top-list .second-list-third {
    height: 965px;
}

section .article .top-list .second-list-fourth {
    height: 400px;
}

section .article .top-list>li>ul>li>div>span {
    font-size: 25px;
    font-weight: bold;
}

section .article .top-list>li .second-list-first div:first-child, section .article .top-list>li .second-list-second div:first-child, section .article .top-list>li .second-list-third div:first-child, section .article .top-list>li .second-list-fourth div:first-child {
    margin: 10px auto;
    text-align: center;
}

section .article .top-list>li .second-list-first div:last-child>ul>li, section .article .top-list>li .second-list-second div:last-child>ul>li, section .article .top-list>li .second-list-third div:last-child>ul>li {
    border: solid 2px lightgray;
    line-height: 30px;
    padding: 10px;
    width: 100px;
    text-align: center;
    margin-left: 20px;
}

section .article .top-list>li .second-list-third div:last-child>ul>li {
    width: 200px;
}

section .article .top-list>li .second-list-first div:last-child>ul>li:nth-child(n+2):nth-child(-n+14), section .article .top-list>li .second-list-second div:last-child>ul>li:nth-child(n+2):nth-child(-n+14), section .article .top-list>li .second-list-third div:last-child>ul>li:nth-child(n+2):nth-child(-n+4) {
    border-top: none;
}

section .article .top-list>li .second-list-first div:last-child>ul>li:hover, section .article .top-list>li .second-list-second div:last-child>ul>li:hover, section .article .top-list>li .second-list-third div:last-child>ul>li:hover {
    cursor: pointer;
    background-color: rgba(128, 128, 128, 0.5);
}

section .article .top-list>li .second-list-first>li:nth-child(n+2):nth-child(-n+14), section .article .top-list>li .second-list-second>li:nth-child(n+2):nth-child(-n+14), section .article .top-list>li .second-list-third>li:nth-child(n+2):nth-child(-n+5) {
    position: absolute;
    top: 40px;
    right: 100px;
    display: none;
}

section .article .top-list>li .second-list-third>li:nth-child(n+2):nth-child(-n+5) {
    right: 0;
}

section .article .top-list>li .second-list-fourth>li:nth-child(n+2):nth-child(-n+8) {
    margin-left: 50px;
}

section .article .top-list .second-list-first>li, section .article .top-list .second-list-second>li, section .article .top-list .second-list-third>li, section .article .top-list .second-list-fourth>li {
    margin: 20px 0;
}

section .article .top-list .second-list-first>li:nth-child(n+2):nth-child(-n+14) a, section .article .top-list .second-list-second>li:nth-child(n+2):nth-child(-n+14) a, section .article .top-list .second-list-third>li:nth-child(n+2):nth-child(-n+5) a {
    font-size: 1.3em;
}

section .article .top-list .second-list-first>li:nth-child(n+2):nth-child(-n+14) ul, section .article .top-list .second-list-second>li:nth-child(n+2):nth-child(-n+14) ul, section .article .top-list .second-list-third>li:nth-child(n+2):nth-child(-n+5) ul {
    display: inline-block;
    vertical-align: top;
    margin: 0 0;
    width: 1000px;
}

section .article .top-list .second-list-first>li:nth-child(n+2):nth-child(-n+14) ul li, section .article .top-list .second-list-second>li:nth-child(n+2):nth-child(-n+14) ul li, section .article .top-list .second-list-third>li:nth-child(n+2):nth-child(-n+5) ul li, section .article .top-list .second-list-fourth li {
    margin-bottom: 20px;
    font-size: 20px;
}

section .article .top-list li>div label {
    font-family: 'icomoon';
    display: inline-block;
    transition: all 0.5s;
    transform: translateY(3px);
    font-size: 1.5em;
    font-weight: 300;
    color: rgba(34, 68, 119, 0.85);
}

section .article .top-list li>div label.open {
    transform: rotate(90deg);
    transform-origin: 12px 12px;
}