@charset "utf-8";
/* CSS Document */

.banner{position: absolute;
top:80px;
width: 100%;
height: 500px; background:url(../img/images/mail.jpg) center;}


.content{ width:100%; height:60px; margin-top:500px;}
.content_blue{ width:630px; margin:auto;}

.nav{ width:560px; height:60px; margin:0 auto; line-height:60px; font-size:16px; color:#fff; margin-top:-60px;}
.nav a{color: #000; padding: 12px; line-height:60px;}
.nav a:hover{ color:#009beb;;}
.nav_lev01{ float:left; position:relative;}
.nav_lev0{ float:left; width:140px; height:66px; text-align:center; line-height:66px; border-bottom:3px solid #009beb; position:relative;}
.nav_lev{ float:left; width:140px; height:66px; text-align:center; line-height:66px; position:relative;}
.nav_lev:hover{border-bottom:3px solid #009beb;}
.nav_lev0 a{color: #000;padding: 16px; line-height:60px;}
.nav_lev0 a:hover{ color:#009beb;;}

.zhong{ text-align:center; margin-top:60px;}
.zhong1{ text-align:center;}
.p{ font-size:36px; color:#333333;}

.content1{ width:1108px; margin:auto; margin-top:40px;}
.content1_img1{ width:1107px; height:215px; background:url(../img/product/product_problem_03.jpg);}
.content1_img2{ width:1107px; height:177px; background:url(../img/product/product_problem_06.jpg);}
.content1_img3{ width:1107px; height:175px; background:url(../img/product/product_problem_08.jpg);}
.content1_img4{ width:1107px; height:175px; background:url(../img/product/product_problem_10.jpg);}
.content1_img5{ width:1107px; height:175px; background:url(../img/product/product_problem_12.png); margin-bottom:60px;}
.odd{ width:884px; float:left; margin:20px 200px;}
.double{ width:888px; float:left; margin:20px;}
.p1{ font-size:24px; color:#333333;}
.p2{ color:#666666; margin-top:8px; letter-spacing:0.5px; line-height:24px;}