.protit { width:1400px; background:#fff; float:left; text-align:left; padding:15px 20px; box-sizing:border-box; border-radius:8px; box-shadow:0 2px 8px rgba(0,0,0,0.05);transition:all 0.3s ease; margin:20px 0 0 0;}
.protit:hover { box-shadow:0 4px 16px rgba(0,0,0,0.1); }
.protit .protit-label { float:left; font-size:16px; color:#333; margin-right:10px; line-height:1.5; }
.protit .protit-tag { float:left; background:#ff5722; color:#fff; padding:2px 8px; border-radius:4px; font-size:11px; margin:2px 10px 0 0; line-height:1.5; }
.protit .protit-text { float:left; font-size:16px; color:#333; line-height:1.5; }

.downmain { width:700px; background:#fff; float:left; text-align:left; padding:50px 350px;border-radius:8px; box-shadow:0 2px 8px rgba(0,0,0,0.05);transition:all 0.3s ease; margin:40px 0 0 0;}
.downmain .u1{float:left;width:700px;font-size:15px;text-align:center;}
.downmain .u1 li{float:left;height:50px;}
.downmain .u1 .l1{width:100%;}
.downmain .u1 .l3{width:100%;}
.downmain .u1 .l3 a{float:left;width:200px;border-radius:5px;text-align:center;line-height:45px;color:#fff;margin:0 0 0 250px;background-color:#ff6600;}