.msi {width:100%;max-width:1300px;margin:2em auto;background:#f7f7f9 url(../pic/auto_bg.jpg) no-repeat bottom center;}
.msi h4 {font-size:1.65rem;color:#0f0f0f;font-weight:bold;font-family:"st";}
.msi h4 span:nth-of-type(3){display: none;}
.msi h4 div{display: inline-block;margin: 0 15px;}
.msi p {line-height:1.5;font-size:1.25rem;color:#555;margin:1em 0 2em;}
.msi h5 {font-size:1.5rem;color:#252525;font-weight: bold;}
.msi h5:after {content:"";display:block;width:5%;min-width:28px;height:4px;background:#d9251a;margin:.5em 0 1em;border-radius:4px;}
.mss {padding:2.5em;font-family:system-ui,Arial,'Microsoft Yahei',sans-serif;}
.mst {margin-bottom:2em;}
.gp {display:flex;align-items:flex-start;}
.gp01 {flex:0 1 44%;margin-right:5%;}
.gp02 {flex:1;}
.gp02 ol {text-align:justify;line-height:1.5;font-size:1.125rem;color:#252525;}
.gp02 ol li {list-style:decimal-leading-zero outside;margin-left:1.5em;margin-bottom:.5em;}
.gp02 ul {text-align:justify;line-height:1.5;font-size:1rem;color:#252525;}
.gp02 ul li {margin-bottom:4px;}
.gp02 sp {font-size: 90%;opacity: 75%;padding-left: 1em;}
.gp02 p {line-height:1.75;font-size:100%;margin:0;}
.proVideo{ max-width: 560px; max-height: 580px; }
.proVorP{ text-align: center; }
.nes {width:100%;max-width: 800px;margin:auto;padding:2em 0;}
@media (max-width: 768px) {
.msi {background:#fafafa;}
.msi ul li {flex:1 1 100% !important;margin-right:0 !important;}
.msi h4 {font-size:1.5rem;padding-bottom:1em;}
.msi h5 {font-size:1.4rem;}
.msi h5:after {margin:1em auto;}
.mss {padding:1em;}
.gp {flex-wrap:wrap;}
.gp01, .gp02 {flex:0 1 100%;margin-right:0;}
.proVideo{ max-width: 100%; max-height: 580px; }
.proVideo video {max-width: 100%;;}
.ntop {text-align:center;margin-top:2em;}
.gp02 ol {line-height:1.5;font-size:1rem;}
.gp02 ul {line-height:1.5;font-size:1rem;}
.gp02 p {line-height:1.5;font-size:80%;}
}


.lbj {width:100%;max-width:1300px;margin:auto;}
.lbj h2 {text-align:center;font-size:2rem;color:#696969;margin-bottom:2em;}
.lbj h4 {font-size:1.5rem;color:#696969;}
.lbj h4:after {content:"";display:block;width:48px;max-width:10%;height:4px;background:#f42d1e;margin:1em 0 2em;}
.lbj p {line-height:1.5;font-size:1rem;color:#252525;padding:2.5% 0;}
.lbj video {text-align:center;width:98%;max-width:780px;max-height:60vh;margin:auto;outline:none;}
.lbj ul {display:flex;}
.lbj ul li {flex:1;margin-left:2%;}
.lbj ul li:nth-child(1) {margin-left:0;}
.lbj ul li img {display:block;transition:all 0.8s;} 
.lbj ul li p {text-align:center;line-height:2;background:#da251c;color:#fff;}
.yls {border:2px solid #da251c;overflow:hidden;}
.lbj ul li a:hover .yls img {transform:scale(1.1);}
.nwo {background:none;}
@media (max-width: 768px) {
.lbj video {max-height:72.5vh;}
.lbj ul {flex-wrap:wrap;}
.lbj ul li {flex:1 1 48%;margin-bottom:2%;}
.lbj ul li:nth-child(2n+1) {margin-left:0;}
}