.tree-nav {
    margin-bottom: 30px;
}
.hot-top {
	height: 300px;
	width: 1180px;
    margin: 0 auto;
	background: url(../img/hot-top.png) top center no-repeat;
}
.hot-nav {
    width: 860px;
	text-align: center;
}
.hot-nav a {
    font-size: 48px;
    color: #fff;
    width: 200px;
    height: 200px;
    float: left;
    border-radius: 50%;
    margin: 50px 43px;
    line-height: 200px;
    transition: all .3s ease-in forwards;
}
.hot-nav a:hover {
    -webkit-animation:amt-hot .1s ease-out forwards;
    -moz-animation:amt-hot .1s ease-out forwards;
    animation:amt-hot .1s ease-out forwards;
}
@-webkit-keyframes amt-hot {
    0% {line-height: 160px;}
    100% {line-height: 200px;}
}
@-moz-keyframes amt-hot {
    0% {line-height: 160px;}
    100% {line-height: 200px;}
}
@keyframes amt-hot {
    0% {line-height: 160px;}
    100% {line-height: 200px;}
}
.hot-cat {
    display: block;
    background: url(../img/hot-line.png) top center no-repeat;
    height: 50px;
    color: #2489b0;
    font-size: 28px;
    line-height: 50px;
    text-align: center;
    margin: 60px 0 30px;
}
.hot-list {
    border-bottom: 1px solid #f6f6f6;
    padding-bottom: 20px;
}
.hot-list li {
    float: left;
    width: 380px;
    margin: 6px;
    margin-bottom: 25px;
}
.hot-list li a {
    display: block;
}
.hot-list li img {
    display: block;
    width: 380px;
    height: 285px;
    margin: 0 auto;
	object-fit: cover;
}
.hot-list li .txt{
    margin-top: 15px;
    height: 46px;
    font-size: 18px;
    overflow: hidden;
    text-align: center;
    line-height: 1.3;
}
.hot-more {
    background: #f6f6f6;
    display: block;
    height: 40px;
    line-height: 40px;
    width: 250px;
    margin: 0 auto;
    color: #aaaaaa;
    font-size: 18px;
    text-align: center;
    border-radius: 0 0 20px 20px;
}
.hot-list li:hover {
    opacity: .8;
    filter: alpha(opacity = 80);
}
.hot-list li:hover a {
    color: #d60a17;
}
.hot-list2 li {
    width: 250px;
    margin: 0px 22px 22px;
}
.hot-list2 li img {
    width: 250px;
    height: 380px;
}