.super-four-flex{display: flex;flex-direction: row;flex-wrap: wrap;justify-content: space-between;}
.super-four-navwrap{padding:32px 0;height: 46px;width: 100%;}
.super-four-nav-button{background: url(../images/contop_bg.jpg) no-repeat top center #151f6c;width: 100%;height:110px;}
.super-four-nav-button a{width: 114px;height:46px;position: relative;text-align: center;text-decoration: none;}
.super-four-nav-button a em{display: block;width: 114px;height: 34px;font-size: 17px;color: #fff;font-weight: 700;text-align: center;line-height: 34px;font-style: italic;}
.super-four-nav-button a span.eng{font-style: italic;width: 114px;padding: 0 5px 0 14px;box-sizing: border-box;height: 12px;line-height: 10px;font-size: 10px;color: #080C34;font-weight: 600;font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;display: block;letter-spacing: -.05rem;}

.super-four-nav-button a:nth-child(1){background: url(../images/topnav1.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(2){background: url(../images/topnav2.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(3){background: url(../images/topnav3.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(4){background: url(../images/topnav4.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(5){background: url(../images/topnav5.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(6){background: url(../images/topnav6.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(7){background: url(../images/topnav7.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(8){background: url(../images/topnav8.png) no-repeat 0 0;}
.super-four-nav-button a:nth-child(9){background: url(../images/topnav9.png) no-repeat 0 0;}

.super-four-nav-button a:hover:nth-child(1){background: url(../images/topnav1_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(2){background: url(../images/topnav2_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(3){background: url(../images/topnav3_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(4){background: url(../images/topnav4_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(5){background: url(../images/topnav5_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(6){background: url(../images/topnav6_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(7){background: url(../images/topnav7_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(8){background: url(../images/topnav8_cur.png) no-repeat;}
.super-four-nav-button a:hover:nth-child(9){background: url(../images/topnav9_cur.png) no-repeat;}

.super-four-nav-button a.cur:nth-child(1){background: url(../images/topnav1_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(2){background: url(../images/topnav2_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(3){background: url(../images/topnav3_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(4){background: url(../images/topnav4_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(5){background: url(../images/topnav5_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(6){background: url(../images/topnav6_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(7){background: url(../images/topnav7_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(8){background: url(../images/topnav8_cur.png) no-repeat;}
.super-four-nav-button a.cur:nth-child(9){background: url(../images/topnav9_cur.png) no-repeat;}