* { box-sizing: border-box; } body {margin: 0;}*{box-sizing:border-box;}body{margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:-apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Roboto, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", "Microsoft Jhenghei", sans-serif;}.panel{width:90%;max-width:700px;border-top-left-radius:12px;border-top-right-radius:12px;border-bottom-right-radius:12px;border-bottom-left-radius:12px;padding-top:30px;padding-right:50px;padding-bottom:30px;padding-left:50px;margin-top:50px;margin-right:auto;margin-left:auto;border-top-width:1px;border-right-width:1px;border-bottom-width:1px;border-left-width:1px;border-top-style:dashed;border-right-style:dashed;border-bottom-style:dashed;border-left-style:dashed;border-top-color:rgb(204, 204, 204);border-right-color:rgb(204, 204, 204);border-bottom-color:rgb(204, 204, 204);border-left-color:rgb(204, 204, 204);border-image-source:initial;border-image-slice:initial;border-image-width:initial;border-image-outset:initial;border-image-repeat:initial;margin-bottom:40px;color:rgb(51, 51, 51);font-weight:100;}.welcome{text-align:center;font-weight:100;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-size:22px;}.logo path{pointer-events:none;fill:none;stroke-linecap:round;stroke-width:7;stroke:rgb(255, 255, 255);}.big-title{text-align:center;font-size:3rem;margin-top:26px;margin-right:0px;margin-bottom:26px;margin-left:0px;color:rgb(24, 144, 255);}.description{text-align:center;font-size:1rem;line-height:1.8rem;margin-bottom:1rem;}.wechat-group{text-align:center;padding-bottom:10px;}.wechat-group img{max-width:220px;height:auto;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;margin-top:0px;margin-right:auto;margin-bottom:0px;margin-left:auto;width:100%;}.welcome-img{padding-top:20px;padding-right:0px;padding-bottom:20px;padding-left:0px;text-align:center;}.welcome-img img{width:100%;max-width:380px;}.img-fluid{height:624.6410000000001px;}@media (max-width: 767.98px){.big-title{font-size:1.9rem;}}