#intro_top{width:100%;z-index:1;position:relative;height:100%;padding:80px 0;background-repeat:no-repeat;background-size:auto auto;background-position:center 50px;background-attachment:fixed;background:-webkit-radial-gradient(center,ellipse cover,#fff 10%,#88C3FF 50%)}#login_wrap{width:100%;height:100%}#login_all{width:2900px;max-width:94%;border-radius:20px;display:block;margin:0 auto;color:#fff}.intro_social_container{width:100%;height:auto;text-align:center;padding-top:20px}.intro_social_btn{display:inline-block;width:40px;height:40px;margin:0 3px;border-radius:50%}.login_not_member{text-align:center;padding-top:5px}#intro_section_user{padding:72px 0}.active_user{height:110px;text-align:center;float:left;overflow:hidden}#last_active{width:100%;height:110px;margin:0 auto}.active_avatar{width:110px;height:110px;border-radius:50%}#last_active .left-arrow,#last_active .right-arrow{width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-top:5px;cursor:pointer;margin-top:40px}#last_active .left-arrow{float:left;border-right:10px solid #ccc;display:none}#last_active .left-arrow:hover{border-right:10px solid #000}#last_active .right-arrow{float:right;border-left:10px solid #ccc;display:none}#last_active .right-arrow:hover{border-left:10px solid #000}#last_active .last-clip{margin:0 20px;overflow:hidden;position:relative}#last_active .last_10{height:110px;width:10000%;overflow:hidden;position:relative}.section{width:100%;height:auto;margin:0 auto}.section_content{width:100%;max-width:1100px;margin:0 auto}.section_inside{margin:0 auto}@media screen and (max-width:1120px){.section_inside{width:96%}}@media screen and (min-width:1121px){#intro_top{background-attachment:fixed}}@media screen and (max-width:1100px){#intro_top{background-size:auto 100%;background-position:center 0;padding:80px 0}}@media screen and (max-width:768px){#intro_top{background-size:auto 100%;background-position:center 0}}