/* header样式 */

.w1270 {
    width: 1270px;
    margin: 0 auto;
}
.link-ygs a {
    margin-right: 20px;
}
.link-ygs img {
    width: 21px;
    height: 21px;
    vertical-align: bottom;
}
.link-ygs span {
    font-size: 16px;
}
.big-icon {
    margin-top: 60px;
}

.nav-ygs {
    margin-top: 20px;
    background-color: rgba(0,104,182,1);
}
.nav-ygs dl dd {
    width: 275px;
    height: 56px;
    line-height: 56px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.nav-ygs dl dd:first-child{
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}
.nav-ygs dl dd a {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}
.nav-ygs dl dd:hover a::after {
    opacity: 1;
}
.nav-ygs dl dd>a::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0px;
    border: 8px solid;
    border-color: transparent transparent #ffffff transparent;
    opacity: 0;
    transition: all .5s ease;
}
.nav-ygs ul {
    width: 130px;
    margin: 0 auto;
    padding-bottom: 20px;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
    background: rgba(209, 209, 216, .8);
    opacity: 0;
    transition: all .5s ease;
	z-index:-1;
	position:relative;
}
.nav-ygs ul li {
    height: 35px;
}
.nav-ygs ul li a {
    color: #202020;
    font-size: 15px;
    font-weight: 700;
}
.nav-ygs ul li a:hover {
    color: #0068b6;
}
/* header样式结束 */