.header{background:#fff}.header .top_tip{background:#f7fcfe;padding:20px 25px;text-align:center}.header .top_tip p{color:#48606a;font-size:14px;line-height:1.5;margin:0 auto;max-width:960px}.header .top_tip p strong{color:#005696;font-weight:700}.head_content>div{align-items:center;display:flex;flex-wrap:wrap;justify-content:space-between;margin:0 auto;max-width:1170px;padding:20px 25px}.head_content .logo_part{padding-right:20px;width:30%}.head_content .logo_part img{width:146px}.head_content .nav_part{align-items:center;display:flex;flex-wrap:wrap;justify-content:right;text-align:right;width:70%}.head_content .nav_part .phone a,.head_content .nav_part .phone p{color:#cf1238;font-size:16px;margin:0}.sticky_head{background:#fff;left:0;position:fixed;top:0;transform:translateY(-100%);transition:all .5s;width:100%;z-index:999}.sticky_head.active{transform:unset}.head_content .button_part a.normal_btn{background:#cf1238;border-radius:5px;color:#fff;display:inline-flex;font-size:16px;font-weight:700;margin-left:50px;padding:13px 30px}@media (max-width:767px){.header .top_tip p{text-align:left}.head_content .logo_part img{width:120px}.normal_head .nav_part{display:none}.head_content.sticky_head .logo_part{padding:0;text-align:center;width:100%}.head_content.sticky_head .nav_part{flex-direction:row-reverse;justify-content:space-between;margin-top:10px;width:100%}.sticky_head .phone{width:50%}.sticky_head .phone p{font-size:14px}.sticky_head .button_part{text-align:left;width:50%}.head_content.sticky_head .button_part a.normal_btn{font-size:13px;margin:0;padding:10px;text-align:center}}