.section3 .section3_bottom ul.web,.section2 ul.web,.csi .section3 ul.web,.sei .section3 ul.web,.knowledge .section3 ul.web{ display:block;}
/* header */
.ad-bar{ display:none;}
#header{ position:relative;}
/* banner */
.banner{ position:relative; margin-top:-0.5em; background-repeat:no-repeat; background-position:center; background-size:cover; height:26.875em;}
.banner .banner_tet{ padding-top:10.5em;width:1400px; max-width:90%; margin:0 auto; text-align:left; line-height:1; }
.banner h1{  font-size:48px; padding-bottom:30px;color:#fff; background-image:url(/uploads/image/bjimages/kv_icon.png); background-repeat:no-repeat; background-position:left bottom;}

/* main */
.section_title{font-size:36px;  padding-bottom:36px;}
.section_title.left{ padding-bottom:1.2em; }
.section_title1{ font-size:28px;margin:0 auto 50px; }
.section_tet p,.section_top p,.listening .section1_bottom p{ font-size:16px; line-height:1.625;}
.global .section3 .section_top ul li h4{font-size:16px;}
.global .section3 .section_top ul li h3{font-size:20px; padding-bottom:14px;}
.animated{
    opacity: 0;
}
@media only screen and (max-width:1440px){
    /* banner */
    .banner{ margin-top:-0.8em; height:22em;}
    .banner .banner_tet{ padding-top:9em;}
    .banner h1{  font-size:32px; padding-bottom:20px; background-size:24px 3px;}
    /* main */
    .section_title{font-size:26px;  padding-bottom:20px;}
    .section_title.left{ padding-bottom:22px;}
    .section_title1{ font-size:20px; margin:0 auto 30px;}
    .section_tet p,.section_top p,.listening .section1_bottom p{ font-size:14px; line-height:1.625;}
    .global .section3 .section_top ul li h4{font-size:14px;}
    .global .section3 .section_top ul li h3{font-size:18px; padding-bottom:12px;}
}
@media only screen and (max-width:1024px){
    /* banner */
    .banner{ margin-top:0; height:13.4rem;}
    .banner .banner_tet{ padding-top:5.5rem;}
    .banner h1{ font-size:1.5rem;padding-bottom:0.625em; background-size:1.2rem 0.15625rem;}

    .section3 .section3_bottom ul.mobile,.section2 ul.mobile,.csi .section3 ul.mobile,.sei .section3 ul.mobile,.knowledge .section3 ul.mobile{ display:block;}
    .section3 .section3_bottom ul.web,.section2 ul.web,.csi .section3 ul.web,.sei .section3 ul.web,.knowledge .section3 ul.web{ display:none;}
}