@charset "utf-8";
.main_v16 * {font-family:'Noto Sans CKR KR';letter-spacing: -2px;}
.main_v16 .inner{width: 950px;margin:0 auto;position: relative;zoom:1;}
.main_v16 .inner:after{content:'';display:block;clear:both;}
.main_v16 .txt{color:#000;font-size: 26px;line-height: 36px;text-align: left;position: relative;}
.main_v16 h4{width: 950px;margin:0 auto;font-weight: normal;}
.main_v16 h4:after{content:'';display:block;clear:both;}
.main_v16 h4 span{display: block;float: left;width: 230px;}
.main_v16 h4 p{float: left;font-size: 26px;line-height: 36px;text-align: left;}
.bx-wrapper{position: relative;}

/* 기존 동일 영역 */
/* footer-banner */
.footer-banner{position:fixed;bottom:0;left:0;z-index:200;width:100%;}
.footer-banner .ban-img{position: absolute;width: 950px;bottom: 0;z-index: 1;height: 89px;left: 50%;margin-left: -475px;}
.footer-banner .ban-img > img{position:absolute;bottom:0;left:0;z-index:1}
.footer-banner .wide-wrap{height:89px;margin-left:0;background:#33318b;position: relative;}
.footer-banner .btn-close a{position: absolute;top: 7px;right:-100px;font-size: 17px;display: block;background: #000;padding: 0 8px 2px;border-radius: 50%;color:#fff;z-index: 2;}

/* popup-wrap 메인 딤팝업 */
.popup_wrap {position:absolute;z-index:1010;top:50% !important;margin-top:-250px;display:none;left: 50%;margin-left: -270px;}
.popup_wrap > div {position:absolute;z-index:1010;min-width:300px;}
.popup_wrap .popup_box {position:relative}
.popup_wrap .popup_box a {display:block}
.popup_wrap .popup_box .btn_area {overflow:hidden;position:absolute;top:-25px;left:0;width:100%}
.popup_wrap .popup_box .btn_area label {display:block;float:left;font-weight:bold;font-size:14px;color:#fff;letter-spacing:-1px}
.popup_wrap .popup_box .btn_area label + label {margin-left:10px}
.popup_wrap .popup_box .btn_area .btn_dim_close {display:block;float:right;padding:2px 5px;color:#fff;border:1px solid #fff;background:#000;}
.popup_wrap .popup_box a.btn-main-close {position:absolute;top:15px;right:15px}

/* main-ban-right */
.main-ban-right{position:absolute;top:0;right:0;z-index:110;}
.main-ban-right .ban-box{margin-bottom:5px;position:relative;/* width:78px; */overflow:hidden;}
.main-ban-right .ban-box > a > img{width:78px;}
.main-ban-right .banner-quick{position:absolute;top:150px;right:0px;z-index:100;}
.main-ban-right .banner-quick.fixed{position:fixed;top:80px;}
.main-ban-right .dday{position:relative;background:url(/img/main/renew/201810/bg_dday.png) repeat-x center top;width:78px;height:190px;text-align:center;letter-spacing:-1px;}
.main-ban-right .dday span{display:block;position:absolute;width:100%;left:0px;font-weight:bold;}
.main-ban-right .dday .txt{font-size:12px;top:17px;}
.main-ban-right .dday .txt-day{font-size:25px;font-weight:bold;top:62px;}
.main-ban-right .dday .txt-bottom{font-size:13px;top:107px;}

/* 2020 날개배너 */
.main-ban-right .ban-box.ban-renew{background: #fff;padding:0 3px;border:1px solid #e5e1e1;border-radius: 7px;width: 65px;}
.main-ban-right .ban-renew .bx-wrapper{position:relative;width: 65px;margin:0 auto;}
.main-ban-right .ban-renew .bx-viewport{}
.main-ban-right .ban-renew .bx-controls-direction{position: relative;text-align: center;margin-bottom: 3px;overflow: hidden;}
.main-ban-right .ban-renew .bx-controls-direction a{display:inline-block;width:17px;height:17px;border:1px solid #dbdbdb;border-radius: 20px;background: #fff;color: #767676;text-indent: -100000%}
.main-ban-right .ban-renew .bx-controls-direction a:hover{color: #5e5e5e;background: #cccccc;}
.main-ban-right .ban-renew .bx-controls-direction .bx-prev{left:12px;background:url(/img/main/main_v14/btn_right_prev.gif) no-repeat 0 0;}
.main-ban-right .ban-renew .bx-controls-direction .bx-prev:hover{background:url(/img/main/main_v14/btn_right_prev_hover.gif) no-repeat 0 0;}
.main-ban-right .ban-renew .bx-controls-direction .bx-next{right:12px;background:url(/img/main/main_v14/btn_right_next.gif) no-repeat 0 0;}
.main-ban-right .ban-renew .bx-controls-direction .bx-next:hover{background:url(/img/main/main_v14/btn_right_next_hover.gif) no-repeat 0 0;}
.main-ban-right .ban-slide-renew li a{display: inline-block;border-top: 1px solid #ebeef1;padding: 3px 0;}
.main-ban-right .ban-slide-renew li a:first-child{margin-top: 0;border-top: none;}

/* 소문내기 인증 팝업 */
.popup-certification .pop_layer{width: 600px;background-color: #fff;}
.popup-certification .layer {display:none;position:fixed; top:0; left:0; width:100%; height:100%; z-index:9999;text-align:left;}
.popup-certification .layer .bg { position:fixed; top:0; left:0; width:100%; height:100%; background:#000; opacity:.6; filter:alpha(opacity=60); }
.popup-certification .layer .pop_layer {display:block;}
.popup-certification .pop_layer {display:none;position:absolute; top:10%; left:50%; margin-left:-300px; z-index:10;padding:0; width:760px; /*height:735px;*/}
.popup-certification .pop_layer .btnX {position:absolute;right:0;top:0;margin:15px 15px 0;}
.popup-certification .pop_layer .tit {background:#556fb5;padding:18px 0 17px 35px;position:relative;}
.popup-certification .pop_layer .tit h3 {color:#fff;font-size:16px;}
.popup-certification .pop_layer .tit .btnX {position:absolute;right:0;top:0;margin:18px;}
.popup-certification .res {margin:20px 35px;}
.popup-certification .res h3 {border-bottom:1px #830228 solid;padding:0 0 12px;margin:0 0 5px;}
.popup-certification .res ul {border-bottom:2px #000 solid; }
.popup-certification .res li { padding:0 0 15px;}
.popup-certification .res li.last {border-bottom:0;}
.popup-certification .res li input[type="text"] {padding:5px;border:1px #999 solid;color:#333;}
.popup-certification .res li select{padding:5px;border:1px #999 solid;color:#333;}
.popup-certification .res .box {color:#000;font-size:12px;height:60px;overflow-y:scroll;border:1px #999 solid;background:#fff;padding:10px;margin-top:5px;}
.popup-certification .res .ch {margin:10px 0 0;}
.popup-certification .res .ch label {color:#000;font-size:11px;display:block;margin-bottom:5px;}
.popup-certification .res .ch input {vertical-align:top;position:relative;top:0px;}
.popup-certification .tb_r tbody tr.bod th,
.popup-certification .tb_r tbody tr.bod td {border-bottom:1px #c7c7c7 solid;}
.popup-certification .tb_r tbody tr.bod th {padding:0 0 0;}
.popup-certification .tb_r tbody tr.bod td {padding:5px 0 11px;}
.popup-certification .tb_r tbody th {letter-spacing:-1px;padding-top:13px;text-align:left;}
.popup-certification .tb_r tbody td {padding:9px 0 0;}
.popup-certification .tb_r tbody td.sm {font-size:11px;color:#ff0000;padding:12px 0 15px;}
.popup-certification .tb_r tbody td.label span {display:inline-block;margin:5px 20px 0px 0;}
.popup-certification .obj{position:absolute;top:10px;right:25px;}
.popup-certification .btnLeft {text-align:left;margin-top:15px;}
.popup-certification .btnLeft span {float:right;right:0;}
.popup-certification .btnRig {text-align:right;margin-top:15px;}
.popup-certification .btnRig span {float:left;right:0;}
.popup-certification .btnRig span.nc {font-size:11px;color:#ff0000;}
.popup-certification .ban-balloon{position: absolute;width: 960px;top:800px;left:50%;margin-left:-480px}
.popup-certification .ban-balloon > p{position: absolute;display: block;width:895px;top:0px;left:50%;margin-left:-447px;}

/* 타사인증 팝업 */
.popup-certification .s2 .pop_layer{width:600px;}
.popup-certification .pop_in_layer{position: absolute;top: 10%;left: 50%;width: 480px;height: 470px;margin-top: 166px;margin-left: -215px;z-index:10;box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);}
.popup-certification .pop_in_layer .tit{height: 38px;line-height: 38px;padding:0 20px;color: #fff;background-color: #004844;}
.popup-certification .pop_in_layer .tit h3{color: #fff;font-size: 15px;font-weight: 700;}
.popup-certification .pop_in_layer .res{margin: 0;padding: 28px 21px 100px;background-color: #fff;}
.popup-certification .pop_in_layer .res .img{width: 100%;height: 173px;border:2px solid #004944}
.popup-certification .pop_in_layer .res ul{padding-top: 23px;margin-top: 25px;border-top:1px solid #999;border-bottom:0;}
.popup-certification .pop_in_layer .res ul li{padding: 0;line-height: 20px;font-weight: 700;color: #333;}
.popup-certification .pop_in_layer .btnpopin{position: absolute;right: 21px;bottom: 22px;}

/* main-info-box */
.main-info-box{overflow:hidden;border-top:1px solid #e5e5e5;padding-bottom: 30px;}
.main-info-box .info-right{float:left;width:400px;border-left:1px solid #e5e5e5;padding:40px 0 40px 40px;}
.main-info-box .info-right .list-box{overflow:hidden;margin-bottom:10px;}
.main-info-box .info-right .list-box li{float:left;border:}
.main-info-box .info-right .list-box li:first-child{margin-right:-1px;}
.main-info-box .info-right .list-box li a{display:block;font-size:15px;letter-spacing:-1px;color:#686868;padding:8px 15px;border:1px solid #ebebeb;background-color:#f6f6f6;}
.main-info-box .info-right .list-box li.on a{font-weight:bold;color:#000;background-color:#fff;}
.main-info-box .info-right .board-tabbox{display:none;position: relative;}
.main-info-box .info-right .board-tabbox .btn_more{position: absolute;right: 0;top: -48px;}
.main-info-box .info-right .board-tabbox li a{color:#8e8e8e;display:block;font-size:14px;letter-spacing:-1px;text-overflow: ellipsis;white-space: nowrap;overflow:hidden;line-height:30px;}
.main-info-box .info-right .board-tabbox li a:hover{font-weight:bold;text-decoration:underline;}
.main-info-box .info-right .board-tabbox.on{display:block;}
.main-info-box .info-left{float:left;width:476px;padding-top:40px;position:relative;overflow: hidden;}
.main-info-box .info-left .left-area{width: 185px;float: left;}
.main-info-box .info-left .left-area h3{font-size: 17px;font-weight: bold;margin-bottom: 30px;margin-top: 8px;}
.main-info-box .info-left .left-area p{font-size: 15px;line-height: 27px;color: #8e8e8e;letter-spacing: -0.5px;font-weight: 500;}
.main-info-box .info-left .right-area{width: 230px;float: left;}
.main-info-box .info-left .right-area > a{display: block;width: 230px;text-align: center;padding:10px 0;font-size: 15px;font-weight: 700;position: relative;background: #4ea9ff;color: #fff;margin-top: 8px;border-radius: 10px;}
.main-info-box .info-left .right-area > a:first-child{background: #ffdc02;color: #000;margin-top: 0;}
.main-info-box .info-left .right-area > a span.arrow{position: absolute;top: 11px;right: 11px;}

/* bottom-list */
.bottom-list{background: #dedede;padding:60px 0;}
.bottom-list dl{width: 160px;float: left;font-weight: bold;}
.bottom-list dt{font-size: 17px;color: #5d5d5d;margin-bottom: 30px;}
.bottom-list dd{font-size: 15px;}
.bottom-list dd ul li{margin-top: 10px;}
.bottom-list dd ul li:first-child{margin-top: 0px;}
.bottom-list dd a{color: #8e8e8e;}

/* 최상단 슬라이드 */
.top_line{background: #f8f8f8;padding:30px 0 }
.top_line p{float: left;font-size: 26px;line-height: 36px;margin-top: 25px;}
.top_line .bx_top_line{float: right;}
.top_line .bx_top_line ul{}
.top_line .bx_top_line ul li{float: left;margin-left:20px;width: 123px !important; }
.top_line .bx_top_line ul li:first-child{margin-left: 0}
.top_line .bx_top_line .bx-wrapper{margin:0 auto;position: relative;}
.top_line .bx_top_line .bx-wrapper ul li{float: none;margin:0;}
.top_line .bx_top_line .bx-wrapper .bx-controls a{position: absolute;top:38%;background: url(/img/main/main_v16/btn_slide.png) no-repeat 0 0;width: 16px;height: 30px;text-indent: -100000%;overflow: hidden;}
.top_line .bx_top_line .bx-wrapper .bx-controls  .bx-prev{left:-30px;}
.top_line .bx_top_line .bx-wrapper .bx-controls  .bx-next{right:-30px;background-position: -17px 0}

/* 상단 메인 배너 */
.main_ban{background: #fff;padding: 65px 0 70px;}
.main_ban .bx_left_ban{float: left;position: relative;width: 620px;height: 379px;border-radius: 10px;overflow: hidden;}
.main_ban .bx_left_ban .bx-wrapper{height: 379px;}
.main_ban .bx_left_ban ul{}
.main_ban .bx_left_ban ul li .dday{position: absolute;top:293px;left:0;width:100%;height:61px;color:#000;font-size:18px;line-height: 61px;text-align: center;  z-index: 1;font-family: 'Noto Sans CKR KR'; }
.main_ban .bx_left_ban .bx-controls a{position: absolute;bottom: 10px;}
.main_ban .bx_left_ban .bx-controls .bx-prev{right: 50px;}
.main_ban .bx_left_ban .bx-controls .bx-next{right: 10px}
.main_ban .bx_left_ban .bx-controls .bx-pager{position: absolute;bottom: 10px;right: 23px;}

.main_ban .bx_right_ban{float: right;position: relative;width: 320px;height: 379px;border-radius: 10px;overflow: hidden;}
.main_ban .bx_right_ban .bx-wrapper{height: 379px;}
.main_ban .bx_right_ban ul{}
.main_ban .bx_right_ban ul li .dday{position: absolute;top:294px;left:0;width:100%;height:61px;color:#000;font-size:18px;line-height: 61px;text-align: center;  z-index: 1; font-family: 'Noto Sans CKR KR';}
.main_ban .bx_right_ban .bx-controls a{position: absolute;bottom: 10px;}
.main_ban .bx_right_ban .bx-controls .bx-prev{right: 50px;}
.main_ban .bx_right_ban .bx-controls .bx-next{right: 10px}
.main_ban .bx_right_ban .bx-controls .bx-pager{position: absolute;bottom: 10px;right: 23px;}

.main_ban .txt{float: left;width: 100%;margin:60px auto 0;}

/* 합격전략01 */
.con_pass01{background:#f8f8f8;padding:85px 0 100px; }
.con_pass01 h4{margin-bottom: 55px;position: relative;}
.con_pass01 .bx01_pass01{margin:0 auto 64px;}
.con_pass01 .bx01_pass01 ul li{position: relative;float: left;width:223px;height: 380px;border-radius: 10px;margin-left:19px;overflow: hidden;}
.con_pass01 .bx01_pass01 ul li:first-child{margin-left: 0}
.con_pass01 .bx01_pass01 .bx-wrapper{margin:0 auto;position: relative;}
.con_pass01 .bx01_pass01 .bx-wrapper ul li{float: none;margin:0;}
.con_pass01 .bx01_pass01 .bx-wrapper .bx-controls a{position: absolute;top:45%;background: url(/img/main/main_v16/btn_slide.png) no-repeat 0 0;width: 16px;height: 30px;text-indent: -100000%;overflow: hidden;}
.con_pass01 .bx01_pass01 .bx-wrapper .bx-controls  .bx-prev{left:-30px;}
.con_pass01 .bx01_pass01 .bx-wrapper .bx-controls  .bx-next{right:-30px;background-position: -17px 0}

.con_pass01 .bx01_pass01 ul li .top{width: 100%;height:220px;overflow: hidden;}
.con_pass01 .bx01_pass01 ul li .top img{display: block;margin:0 auto;}
.con_pass01 .bx01_pass01 ul li .bottom{background: #cfebff;width:193px;padding:24px 15px 0;height: 85px;text-align: left;font-size: 18px;line-height: 28px;letter-spacing: -2px;}
.con_pass01 .bx01_pass01 ul li .btn{display: block;width: 100%;background: #cfebff;border-top: 1px solid #bfdbee;color:#156197;font-size: 15px;line-height: 25px;padding: 15px 0;text-align: center;}
.con_pass01 .txt{margin: 0 auto 45px;}

/* 합격전략02 */
.con_pass02{background:#fff;padding: 90px 0 100px;}
.con_pass02 h4{margin-bottom: 35px;}
.con_pass02 .bx_pass02{margin:0 auto 55px;}
.con_pass02 .bx_pass02 .bx-wrapper .bx-controls a{position: absolute;top:45%;background: url(/img/main/main_v16/btn_slide.png) no-repeat 0 0;width: 16px;height: 30px;text-indent: -100000%;overflow: hidden;}
.con_pass02 .bx_pass02 .bx-wrapper .bx-controls  .bx-prev{left:-30px;}
.con_pass02 .bx_pass02 .bx-wrapper .bx-controls  .bx-next{right:-30px;background-position: -17px 0}

.con_pass02 .txt{margin-bottom:25px; }

.con_pass02 .box_pass02{background:#f0f0f0;width:864px;border-radius: 10px;padding:40px 43px 25px;}
.con_pass02 .box_pass02:after{content:'';display:block;clear:both;}
.con_pass02 .box_pass02 .lect_list{float: left;width: 425px;}
.con_pass02 .box_pass02 .lect_list.lect_r{margin-left: 14px;}
.con_pass02 .box_pass02 strong.stit{padding-bottom: 19px;overflow: hidden;color:#46c6fd;font-size: 18px;line-height: 24px;text-align: left;border-bottom: 1px solid #d4d4d4;font-weight: 900;display: inline-block;width: 432px;}
.con_pass02 .box_pass02 strong.stit span{display: block;float: left;background:#46c6fd;padding: 0 13px;height: 24px;color:#fff;font-weight: 900;font-size: 14px;line-height: 23px;margin-right: 10px;border-radius: 15px;}
.con_pass02 .box_pass02 ul li div{border-bottom: 1px solid #d4d4d4;padding: 17px 0;overflow: hidden;width: 432px !important}
.con_pass02 .box_pass02 ul li div .img{display: block;float: left;width:77px;height: 77px;border-radius: 38px;overflow: hidden;  }
.con_pass02 .box_pass02 ul li div a{display: block;float: left;width:330px;margin-left: 15px;color:#a6a6a6;font-size: 15px;line-height: 25px;margin-top: 13px;}
.con_pass02 .box_pass02 ul li div a strong{display: block;width: 100%;margin:0 auto;color: #000;font-size: 18px;line-height: 28px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;}
.con_pass02 .box_pass02 ul li div a span{display: block;width: 100%;margin:0 auto;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;}

.con_pass02 .box_pass02 ul li{width: 432px !important;}
.con_pass02 .box_pass02 .bx-wrapper{position: relative;}
.con_pass02 .box_pass02 .bx-wrapper .bx-controls a{position: absolute;top:-12%;background: url(/img/main/main_v16/lect_pager.png) no-repeat 0 0;width: 20px;height: 18px;text-indent: -100000%;overflow: hidden;}
.con_pass02 .box_pass02 .bx-wrapper .bx-controls  .bx-prev{left:285px;}
.con_pass02 .box_pass02 .bx-wrapper .bx-controls  .bx-next{right:100px;background-position: -23px 0}

/* 합격전략03 */
.con_pass03{background:#f8f8f8;padding:95px 0 90px; }
.con_pass03 h4{margin:0 auto 60px;}
.con_pass03 .bx_pass03{margin:35px auto 60px;}
.con_pass03 .bx_pass03 .bx-wrapper{margin:0 auto;position: relative;}
.con_pass03 .bx_pass03 .bx-wrapper .bx-controls a{position: absolute;top:45%;background: url(/img/main/main_v16/btn_slide.png) no-repeat 0 0;width: 16px;height: 30px;text-indent: -100000%;overflow: hidden;}
.con_pass03 .bx_pass03 .bx-wrapper .bx-controls  .bx-prev{left:-30px;}
.con_pass03 .bx_pass03 .bx-wrapper .bx-controls  .bx-next{right:-30px;background-position: -17px 0}
.con_pass03 .bx_pass03 ul li{position: relative;color:#fff;font-size:12px;}
.con_pass03 .bx_pass03 ul li .label{position: absolute;top:10px;left:10px;}
.con_pass03 .bx_pass03 ul li .tit{position:absolute;top:210px;left:20px;color:#fff;}
.con_pass03 .bx_pass03 ul li .con{position:absolute;top:240px;left:20px;color:#fff;}

.con_pass03 .bx_pass03 .info-03 h4{margin-top:80px;margin-bottom:70px;}
.con_pass03 .bx_pass03 .info-03 .bx-controls-direction a{top:110px}
.con_pass03 .bx_pass03 .bg_bottom_arrow{margin-top:35px;}
.con_pass03 .box_pass03{width: 950px;margin:30px auto 0;}

.con_pass03 .btn_more{display: block; position: absolute; top:40px; right:0; font-size: 25px;}
.con_pass03 .btn_more strong img{vertical-align: middle;}
/* 합격전략04 */
.con_pass04{background:#fff;padding: 90px 0;}
.con_pass04 h4{margin-bottom: 37px;}
.con_pass04 .bx_pass04{}
.con_pass04 .bx_pass04 ul li > .txt-info{margin-top: 22px;margin-bottom: 24px;}
.con_pass04 .bx_pass04 ul li > .txt-info > strong{font-size: 15px;color: #000;display: block;margin-bottom: 20px;}
.con_pass04 .bx_pass04 ul li > .txt-info > span{font-size: 14px;color: #939393;font-weight: 600;}
.con_pass04 .bx_pass04 ul li > a{width: 295px;background: #d3ecfe;color: #0d85fb;display: block;text-align: center;padding:10px 0;font-size: 14px;font-weight: 800;border-radius: 10px;}
.con_pass04 .bx_pass04 .bx-viewport{height: 326px !important;}
.con_pass04 .bx_pass04 .bx-wrapper .bx-controls a{position: absolute;top:45%;background: url(/img/main/main_v16/btn_slide.png) no-repeat 0 0;width: 16px;height: 30px;text-indent: -100000%;overflow: hidden;}
.con_pass04 .bx_pass04 .bx-wrapper .bx-controls  .bx-prev{left:-30px;}
.con_pass04 .bx_pass04 .bx-wrapper .bx-controls  .bx-next{right:-30px;background-position: -17px 0}

.con_pass04{}

/* main-study */
.main-study{background:url(/img/main/main_v15/bg_study.jpg) no-repeat top center;padding:95px 0 85px;}
.main-study .tit{color: #000;font-size: 28px;font-weight: bold;line-height: 35px;margin-bottom: 35px;text-align: center;}
.main-study .study-bx-box{margin-bottom: 90px;position: relative;}
.main-study .study-bx-box .bx-wrapper{position:relative;width: 960px;}
.main-study .study-bx-box .bx-controls-direction a{display:block;position:absolute;width:10px;height:18px;top:126px;text-indent:-999em;}
.main-study .study-bx-box .bx-controls-direction .bx-prev{left:-30px;background:url(/img/main/main_v15/btn_video_prev.png) no-repeat}
.main-study .study-bx-box .bx-controls-direction .bx-next{right:-30px;background:url(/img/main/main_v15/btn_video_next.png) no-repeat}
.main-study .wrap-ban > ul{overflow: hidden;}
.main-study .wrap-ban > ul > li{float: left;margin-left: 29px;}
.main-study .wrap-ban > ul > li:first-child{margin-left: 0;}

.main-study .mask{display:block;width:100%;position:fixed;top:0;right:0;left:0;bottom:0;background:#000;opacity:0.7;filter:alpha(opacity=40);z-index:-1 ;}
.main-study .pop_media {display:none;position:relative;position:absolute; top:0; left:50%;margin-left: -425px; z-index:202;width:780px;height: 480px;}
.main-study .closed {position: absolute;bottom: -25px;right: 1px;}
.main-study .btn_strategy{display:block;margin:60px auto 0;width:536px}
.main-study .mask{display:block;width:100%;position:fixed;top:0;right:0;left:0;bottom:0;background:#000;opacity:0.7;filter:alpha(opacity=40);z-index:-1 ;}