/* xianghongai@foxmail.com 
* 一张图片要分成三类："_large"用于PC端，"_medium"用于Pad，"_small_2x"用于移动端 ；
* 在PC端，各模块上下各有60px间距 ；
* 在Pad和移动端，各模块上下各有40px间距 ；
* 如下面 height: 480px; _large 图片高度应该是 480+60*2 = 600px；
* 因为为了浏览高度上有调整，如果不熟悉，建议按照demo的尺寸。
* 编辑完后，请删除此注释
*/


/* large */
.poster { height: 480px; background-image:url(banner-index_large.jpg); background-repeat: no-repeat; background-position: top center; background-size: cover; }
.brand-logo { width: 310px; height: 103px; margin-right: auto; margin-left: auto; background-image:url(logo_large.png); background-repeat: no-repeat; background-position: center center;}

/* small */
@media (max-width: 767px), only screen and (max-width: 735px) and (max-device-width: 768px) {
    .poster { height: 300px; background-image:url(banner-index_large.jpg); }
    .brand-logo { width: 180px; height: 52px; background-image:url(logo_large2.png); }
}

/* medium */
@media (min-width: 768px) and (max-width: 991px),only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait) {
    .poster { height: 460px; background-image:url(banner-index_large.jpg);}
}

.fengfan{width:1000px;margin:0 auto;}
.fengfan img{margin-top:30px;}
.fengfan p{padding-left:15px;padding-top:8px;text-align:justify;}