.zhang_bk1{ height: 394px; position: relative; background: url(../images/zhang_pic1.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}
.zhang_bk1 p{ width: 916px; margin: 0 auto; padding: 193px 0 0 0; line-height: 40px; font-size: 20px; color: #0d599e;}

.zhang_bk2{ height: 293px; position: relative; background: url(../images/zhang_pic2.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}
.zhang_bk2 p{ width: 1100px; margin: 0 auto; padding: 155px 0 0 0; line-height: 40px; font-size: 20px; color: #0d599e;}

.zhang_bk3{ height: 219px; position: relative; background: url(../images/zhang_pic3.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}
.zhang_bk3 p{ width: 1100px; margin: 0 auto; padding: 104px 0 0 0; line-height: 40px; font-size: 20px; color: #0d599e;}

.zhang_bk4{ height: 366px; position: relative; background: url(../images/zhang_pic4.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}

.zhang_bk5{ height: 391px; position: relative; background: url(../images/zhang_pic5.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}

.zhang_bk6{ height: 644px; position: relative; background: url(../images/zhang_pic6.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}

.zhang_bk7{ height: 800px; position: relative; background: url(../images/zhang_pic7.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto; padding: 155px 0 0 0;}
.zhang_bk7 p{ width: 1100px; margin: 0 auto; line-height: 40px; font-size: 20px; color: #0d599e; margin-bottom: 15px;}
.zhang_bk7 p b{ color: #e40086; font-weight: 500; }
.zhang_bk7 p.p_1{ margin-bottom: 25px; }

.zhang_bk8{ height: 778px; position: relative; background: url(../images/zhang_pic8.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto;}

.zhang_bk9{ position: relative; background: url(../images/zhang_pic9.png) no-repeat center top; max-width:1920px; min-width: 1100px; margin: 0 auto; padding: 123px 0 114px 0;}
.zhang_bk9 p{ width: 1100px; margin: 0 auto; line-height: 40px; font-size: 20px; color: #0d599e; margin-bottom: 15px;}
.zhang_bk9 p.p_1{ margin-bottom: 30px; }
.zhang_bk9 p.p_2{ height: 70px; line-height: 70px;}
.zhang_bk9 p.p_2 b{ font-size: 20px; color: #0e5b9f; }