html,body,dl,dt,dd{margin:0;}

a{text-decoration:none;}

body.welcome{background:#f4f4f4 url(//rosc3.zhaiwuyu.com/m/img/welcome/bg.jpg?version=20190619) no-repeat top center;background-size:cover;}

.welcome_main{padding:20px;}

.welcome_main h1{overflow:hidden;width:300px;height:96px;margin:0 auto;background:url(//rosc3.zhaiwuyu.com/m/img/welcome/logo-chuxin.png?version=20250319);background-size:cover;text-indent:100%;white-space:nowrap;}
.welcome_main h2{margin:20px 0;color:#555;font-weight:bold;font-size:20px;text-align:center;}

/* 选择语言 */
.welcome_main nav{position:relative;margin:0 auto;text-align:center;
display:flex;
flex-wrap:wrap;
}

.welcome_main nav a:only-child{flex-basis:100%;}
.welcome_main nav a{height:46px;margin-top:20px;background-color:#4a89dc;border-radius:23px;color:#fff;font-size:16px;line-height:46px;
flex:0 0 46%;
}
.welcome_main nav a:nth-child(1),
.welcome_main nav a:nth-child(2){margin-top:0;}
.welcome_main nav a:nth-child(2n){margin-left:8%;}

.welcome_main .tips{color:#888;margin:20px auto 0;line-height:2;text-align:center;}

/* APP 二维码 */
.welcome_main .app{
display:flex;
}
.welcome_main .app dl{text-align:center;
flex:0 0 50%;
}
.welcome_main .app dt{height:120px;}
.welcome_main .app dd{display:inline-block;margin-top:10px;padding:0 1em;border-radius:12px;background-color:#aaa;color:#fff;font-size:14px;line-height:24px;vertical-align:top;}
.welcome_main .app img{width:120px;height:120px;margin:0 auto;vertical-align:top;}





@media (min-width:640px){
.welcome_main{width:500px;margin:0 auto;}
.welcome_main h1{width:500px;height:160px;}
.welcome_main h2{font-size:24px;}
.welcome_main nav a{height:52px;margin-top:30px;border-radius:26px;font-size:18px;line-height:52px;
transition-property:opacity;
transition-duration:0.2s;
}
.welcome_main nav a:hover{opacity:0.8;}
}