#lnb > ul > li:nth-child(4) a {
    color: #ff164f;
    font-weight: bold;
}




section > h3 {
    width: 1136px;
    margin: 150px auto;
    padding: 0 16px;
    position: relative;
}

.title img {
    position: absolute;
    top: -55px;
    left: 220px;
}




#menu {
    width: 1136px;
    height: 40px;
    margin: 0 auto;
    padding-bottom: 40px;
    border-bottom: 1px solid #ddd;
}

.menu > li {
    float: left;
    font-size: 18px;
    color: #666;
    text-indent: 16px;
    letter-spacing: -1px;
}

.menu > li > a {
    color: #666;
}

.menu > li:last-child > a {
    color: #ff164f;
    font-weight: bold;
}

.tag {
    font-size: 18px;
    margin-right: 50px;
}

.tag::after {
    width: calc(100% + 40px);
    height: 40px;
    border-radius: 20px;
}




#files {
    width: 1136px;
    margin: 0 auto;
    margin-bottom: 120px;
    padding-top: 50px;
    overflow: hidden;
}

.files {
    width: 100%;
    overflow: hidden;
}

.files li {
    float: left;
    width: 240px;
    height: 330px;
    margin-right: 58px;
    margin-bottom: 60px;
    text-align: center;
    line-height: 1.6;
    letter-spacing: -1px;
}

.flies li:nth-child(2) {margin-right: 57px;}

.files li a {
    display: block;
    position: relative;
    width: 100%; height: 300px;
    margin-bottom: 13px;    
    border-radius: 10px;
    border: 1px solid #ddd;
    box-sizing: border-box;
}


.files li:nth-child(4n) {
    margin-right: 0;
}

.files li a::after {
    content: "";
    width: 100%; height: 100%;
    background-color: #fff;
    position: absolute; left: 0; top: 0; opacity: 0;
    cursor: pointer;
    transition: all 0.1s;
    pointer-events: none;
}

.files li:hover {
    color: #ff164f;
}

.files li:hover a::after {opacity: 0.2;}


.files li img {
    position: absolute;
    height: 260px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}

img.logo {
    width: 55%;
    opacity: 0.1;
}