.site-name{
    display: flex;
    align-items: center;}
.site-name img{
    height: 75px;}

.logo-txt{font-size:36px;color:#fff;border-left:1px solid rgba(255,255,255,0.3);display:block;padding:0 20px;margin-left:25px;height:75px;line-height:75px;font-weight:normal;}
.logo-txt:hover{color:#fff;}

.list-banner{
    width: 1200px;
    margin: 0 auto;}
.list-banner img{
    width: 100%;
    height:100%;}
 .nei-nav li:nth-last-child(1){display:none;}
.second-nav a{display:inline-block;font-size:20px;backgournd:#f6f6f6;padding:0 20px 0 0;color:#666;font-weight:550;}
.second-nav{margin-left:25px;}
.list li a{
    font-size:16px;}
.list li i{
    font-size:14px;}