body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td, select, img {
  margin: 0; padding: 0;}
a, img, button, input, textarea, div { -webkit-tap-highlight-color: rgba(255, 255, 255, 0);}
.left{ float:left; }
.right{ float:right; }
ul,li{ list-style-type:none;}
img{ border:0;}
.clearfix {	display: block;zoom:1;}
.clearfix:after {content: '';overflow: hidden;width: 100%;height: 0px;font-size: 0px;	display: block;	clear: both;}
body {  max-width:1000px; margin: 0 auto; font-family: Helvetica Neue, Helvetica, Arial, sans-serif; }
img { display: block;}
a:link {  text-decoration: none;}
a:visited {  text-decoration: none;}
a:hover {  text-decoration: none !important;}
a:active {  text-decoration: none;}
ul, ol {  list-style-type: none;}
::-webkit-scrollbar{width:0;height:0;display: none; }

.mar5{margin-top:0.4rem;}
.mar6{padding-top:0.5rem;}
.mar8{margin-top:0.8rem;}
.bg1{background:url(../image/ysr_2025bg1.jpg) center top no-repeat;background-size:100%;height:13.3rem;}
.bg2{background: url(../image/ysr_2025bg2.jpg) center top no-repeat; background-size: 100%;height:18.1rem;margin-top:-1px;}
.bg3{background: url(../image/ysr_2025bg3.jpg) center top no-repeat; background-size: 100%;height:18.95rem;}
.bg4{background: url(../image/ysr_2025bg4.jpg) center top no-repeat; background-size: 100%;height:5.76rem;margin-top:-1px;}