@charset "UTF-8";
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    background: #f4f5f7;
}

body {
    min-width: 1200px;
    font: 14px/1.8 "Microsoft YaHei", Arial, sans-serif;
    color: #333;
    background: #f4f5f7;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #12b1ac;
}

ul {
    list-style: none;
}

.clearfix:before,
.clearfix:after {
    content: '';
    display: block;
    clear: both;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.header {
    height: 80px;
    background: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}

.header .w1200 {
    display: flex;
    align-items: center;
    height: 80px;
}

.logo {
    display: block;
    width: 180px;
    height: 40px;
    background: url(/static/pc/images/pc-logo.png) no-repeat left center;
    background-size: contain;
    flex: none;
}

.header .nav {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    padding-left: 36px;
}

.header .nav a {
    color: #fff;
    font-size: 16px;
    line-height: 80px;
    padding: 0 8px;
    position: relative;
    opacity: .92;
}

.header .nav a:hover {
    opacity: 1;
}

.search {
    width: 240px;
    height: 36px;
    display: flex;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 18px;
    background: rgba(255, 255, 255, .06);
}

.search input[type='text'] {
    flex: 1;
    border: 0;
    outline: none;
    background: transparent;
    color: #fff;
    padding: 0 14px;
    font-size: 14px;
}

.search input[type='text']::placeholder {
    color: #cfcfcf;
}

.search input[type='button'] {
    width: 64px;
    border: 0;
    background: #4a4a4a;
    color: #fff;
    font-size: 14px;
}

.about {
    width: 1200px;
    margin: 24px auto 40px;
    display: flex;
    min-height: 520px;
    background: #fff;
    border: 1px solid #e6e9ef;
}

.about .nav {
    width: 230px;
    background: #f6f7f9;
    border-right: 1px solid #e6e9ef;
    padding: 24px 0;
}

.about .nav ul {
    padding: 0 16px;
}

.about .nav li + li {
    margin-top: 12px;
}

.about .nav a {
    display: flex;
    align-items: center;
    height: 54px;
    padding: 0 16px;
    background: #fff;
    color: #333;
    font-size: 16px;
    border: 1px solid #e0e5ec;
    border-radius: 4px;
}

.about .nav a.hover {
    color: #fff;
    background: #12b1ac;
    border-color: #12b1ac;
}

.about .nav em {
    width: 18px;
    height: 18px;
    flex: none;
    margin-right: 10px;
    border-radius: 50%;
    background: #12b1ac;
}

.about .nav .i2 {
    background: #ff8a3d;
}

.about .nav .i4 {
    background: #4f8df6;
}

.about .intro {
    flex: 1;
    padding: 34px 40px 40px;
}

.about .intro h2 {
    font-size: 26px;
    color: #222;
    line-height: 1.2;
    margin-bottom: 18px;
}

.about .intro p {
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.95;
    color: #555;
    text-indent: 2em;
}

.about .intro strong {
    display: block;
    margin: 22px 0 8px;
    color: #333;
    font-size: 16px;
}

.about .intro ul {
    margin: 10px 0 0 2em;
}

.footer {
    margin-top: 0;
    padding: 26px 0 30px;
    background: #333;
    color: #d7d7d7;
}

.footer .w1200 {
    text-align: center;
    line-height: 2;
}

.footer a {
    color: #fff;
}

.footer div {
    font-size: 14px;
    color: #cfcfcf;
}

@media (max-width: 1230px) {
    .w1200,
    .about {
        width: 100%;
    }

    .header .w1200 {
        padding: 0 18px;
    }

    .about {
        border-left: 0;
        border-right: 0;
        border-radius: 0;
    }
}