@charset "utf-8";
.top_img{ width: 100%; max-width: 1920px; min-width: 1200px; height: auto; overflow: hidden;}
.mid-warp{ width: 1200px; margin: 0 auto; height: auto; overflow: hidden;}
.title_a{ width: 100%; text-align: center; font-size: 54px; color: #222222; font-weight: 550;}
.title_b{ width: 100%; text-align: center; font-size: 18px; color: #666666; margin-top: 15px;}
.downpage{ width: 100%;max-width: 1920px; min-width: 1200px; height: auto; overflow: hidden; position: relative;}
.downmain{ position: absolute; top:200px; width: 1200px; height: auto; z-index: 5; margin-left: -600px; left: 50%;}
.inner_mid_warp{ width: 1200px; height: auto; overflow: hidden; min-height: 500px; background: #fff; margin: 0 auto; position: relative; z-index: 5; top: -50px; padding: 30px 30px; box-sizing: border-box; line-height: 1.6; font-size: 14px; color: #333;}
.inner_mid_warp img{ max-width: 100%;}