.header,.header_login{font-size:0;position:fixed;top:0;z-index:999;left:0;height:300px;width:100%}.header{background:url(../img/index/qh_header.png) no-repeat;background-size:100% 300px}.header_login{background:#1d2088}.back_ass_btn{width:90px;height:40px;line-height:40px;background-color:#1d2088;border-radius:4px;border:solid 1px rgba(255,255,255,.3);text-align:center;vertical-align:middle;font-family:MicrosoftYaHei;font-size:16px;font-weight:400;font-stretch:normal;letter-spacing:0;color:#fff;opacity:.6;display:inline-block;cursor:pointer}.default .head{width:1440px}.screen_1440 .head{width:1200px}.screen_960 .head{width:960px}.head{margin:0 auto;text-align:center;line-height:300px}.logo{padding-left:34%}.default .logo img,.screen_1440 .logo img{max-width:248px;max-height:88px}.screen_960 .logo img{max-width:228px;max-height:68px}.logo img{vertical-align:middle;cursor:pointer}.default .qh_title,.screen_1440 .qh_title{font-size:60px;line-height:60px}.screen_960 .qh_title{font-size:40px;line-height:60px}.head_item .active a,.head_item ul li,.qh_title{font-family:MicrosoftYaHei-Bold;font-stretch:normal;letter-spacing:0}.qh_title{font-weight:700;color:#fff;vertical-align:middle}.head_b{height:60px;width:100%;margin:300px auto 0;text-align:center;line-height:60px;background:#1d2088}.head_item{width:1400px;margin:0 auto;display:inline-block;vertical-align:middle}.head_item ul{margin:0;padding:0;display:flex}.head_item ul li{list-style:none;cursor:pointer;font-family:MicrosoftYaHei;font-size:18px;font-weight:400;color:#fff;flex:1}.head_item ul li:hover{background:#2b3eb4;font-size:20px}.head_item .active{background:#2b3eb4}.head_item .active a{font-size:20px}.head_tab a{display:block;width:100%;height:100%;color:#fff}.head_tab a:hover{text-decoration:none}.head_tab a,.head_tab a:focus,:active{text-decoration:none}.head{position:relative}.head .search{position:absolute;right:0;top:30px;display:flex;align-items:center}.head .search input.search_input{height:40px;line-height:40px;width:200px;vertical-align:middle;margin:0;background:#fff;border:1px solid #d0d0d0;border-radius:2px 0 0 2px;font-size:16px;padding-left:10px}.head .search_btn,.head .submit_btn{height:40px;background:#1d2088;cursor:pointer;display:inline-block}.head .search_btn{width:72px;border-radius:0 2px 2px 0;position:relative;vertical-align:middle}.head .search_btn:after{content:' ';width:24px;height:24px;position:absolute;top:9px;left:24px;background:url(../img/common/search.png) no-repeat}.head .submit_btn{width:60px;line-height:40px;border-radius:2px;margin-left:20px;font-size:16px;color:#fff!important;text-align:center;text-decoration:none;padding:0}.head .submit_btn:hover{background-color:#fff;color:#1d2088!important;text-decoration:none;border:1px solid #fff}.head .submit_btn:focus{color:#fff!important;text-decoration:none}.head .ass_btn,.head .logout_btn,.head .phone,.option_btn{display:inline-block;font-family:Microsoft YaHei;font-weight:400;color:#fff;vertical-align:middle}.head .logout_btn{width:110px;height:40px;line-height:40px;cursor:pointer;margin-left:20px;font-size:14px;position:relative;text-align:left}.head .logout_btn:after{content:url(../img/common/down.png);width:12px;height:12px;position:absolute;top:3px;right:5px}.head .ass_btn,.head .phone,.option_btn{width:240px;height:16px;line-height:16px;font-size:16px;padding-right:20px}.head .ass_btn,.option_btn{width:100px;cursor:pointer}.option_btn{border-right:1px solid #c9cacd}.option_btn,.option_btn:focus{text-decoration:none}.option_btn:hover{color:#fff}