video{min-height:auto}
@media (max-width:768px){body{padding-top:13.3vw}}
.index-banner{position: relative;}
.index-banner .videoban-inner{text-align:center;width:100%;color:#fff;position: absolute;left:0;top:50%;transform: translateY(-50%);z-index:2;text-shadow: 1px 1px 2px #000;}
.index-banner .videoban-inner .title{font-weight: var(--fontbold7);font-size:3.5vw;}
.index-banner .videoban-inner .des{margin-top:10px;font-size:26px;color: #0678d0;}
@media (min-width:1600px) {
.index-banner .videoban-inner{padding: 20px;max-width: 1700px;left: 50%;top: 50%;transform: translate(-50%,-50%);}
.index-banner .videoban-inner .title{text-align: left;font-size: 9vw;line-height: 1;}
.index-banner .videoban-inner .des{font-size: 4vw;text-align: left;}}
@media (max-width:1800px){.index-banner .videoban-inner .title{font-size:2.5vw;}
.index-banner .videoban-inner .des{font-size:1.3vw;}}
@media (max-width:768px){.index-banner .videoban-inner .title{font-size:18px;}
.index-banner .videoban-inner .des{font-size:14px;}}
@media (max-width:600px){.index-banner .videoban-inner .title{font-size:15px;}
.index-banner .videoban-inner .des{font-size:12px;}}