@charset "utf-8";

html{font-size:10px;}
.oh{overflow:hidden;}
.container {width:100%; margin:0 auto; max-width:1000px; position:relative;}
.cf:after{content:''; display: block; clear:both; visibility:hidden; height:0px;}
.eventName {max-width:2560px;margin:0 auto;text-align:center;letter-spacing:-0.5px;line-height:1.5;}
.db1000{display:none;}
.db768{display:none;}
.db480{display:none;}
div{max-width:100%;}

.con1{background:url(images_au/bg1.jpg) no-repeat center top / cover;}
.con1 .padding{padding:9.8% 0 104.6% !important;}
.con1 .tit p:nth-child(1){display:inline-block; width:90%;}
.con1 .tit p:nth-child(2){font-size:3.2rem; color:#618fbf; margin-top:3.8%;}
.con1 .tit p:nth-child(3){font-size:2.8rem; color:#5c7b9b;}

.con2{background:url(images_au/bg2.jpg) no-repeat center top / cover;}
.con2 .padding{padding:9% 0 12.1%;}
.con2 .tit p:nth-child(1){font-size:6.2rem; color:#1888b7;}
.con2 .tit p:nth-child(2){font-size:2.2rem; color:#597988; margin-top:2.2%;}
.con2 .box{width:100%; max-width:664px; margin-left:336px; box-sizing:border-box; padding:43px 1% 49px; background:#ffffff; margin-top:64px;}
.con2 .box .in{display:inline-block;}
.con2 .box dl{text-align:left;}
.con2 .box dt{font-size:2.4rem; color:#354a56; font-weight:bold;}
.con2 .box dt:nth-child(3), .con2 .box dt:nth-child(5){margin-top:35px;}
.con2 .box dd{font-size:1.7rem; color:#888888; margin-top:15px; line-height: 1.7;}
.con2 .btn{display:inline-block; margin-top:47px; color:#f2f2f2; font-size:1.8rem; padding:3px 13px; background:#333333; border-radius:2px;}

.con3{background:url(images_au/bg3.jpg) no-repeat center top / cover;}
.con3 .padding{padding:10.2% 0 9.3%;}
.con3 .know{color:#ffffff;}
.con3 .know dl:nth-child(n+2){margin-top:9.2%;}
.con3 .know dd:nth-child(2){font-weight:bold; font-size:4rem; margin-top:2.6%;}
.con3 .know dd:nth-child(3){font-weight:bold; font-size:2.5rem; margin-top:0.7%; padding-top:1%; position:relative;}
.con3 .know dd:nth-child(3):before{position:absolute; content:''; top:0; left:50%; transform:translateX(-50%); width:100%; max-width:817px; height:1px; background:currentColor;}
.con3 .know dd:nth-child(4){font-size:1.8rem; margin-top:2.2%;}

.con4{background:#f6f6f6;}
.con4 .padding{padding:7% 0 11.1%;}
.con4 .tit p:nth-child(1){font-size:6.2rem; color:#34b2bd; font-weight:bold;}
.con4 .box{margin-top:5.2%; display:inline-block; width:100%; background:#ffffff; box-sizing:border-box; padding:10px;}
.con4 .border{box-sizing:border-box; border:1px solid #e6e6e6; padding:72px 3% 59px;}
.con4 .border p:nth-child(2){color:#676767; font-size:2.4rem; margin-top:35px;}
.con4 .warn{color:#999999; font-size:1.6rem; margin-top:24px;}


























@media screen and (max-width: 1000px){
html{font-size:8px;}
.container {width:95%;}
.dn1000{display:none;}
.db1000{display:inline-block;}

.con2{background:#f6f6f6;}
.con2 .box{display:inline-block; margin-left:0; padding:35px 3%; margin-top:35px;}
.con2 .mg35{margin-top:35px;}

.con3 .know dt img{width:70px;}

.con4 .border{padding:35px 3%;}
}

@media screen and (max-width: 768px){
.dn768{display:none;}
.db768{display:inline-block;}
.padding{padding:50px 0 !important;}

.con1 .tit p:nth-child(2){font-size:3rem;}
.con1 .tit p:nth-child(3){font-size:2.5rem;}

.con2 .tit p:nth-child(1){font-size:4rem;}

.con3 .know dd:nth-child(2){font-size:3.5rem;}

.con4 .tit p:nth-child(1){font-size:4rem;}
}

@media screen and (max-width: 480px){
html{font-size:7px;}
.dn480{display:none;}
.db480{display:inline-block;}

.con1 .padding{padding:9.8% 0 125.6% !important;}
}