.dialog{position:fixed;z-index:1000;top:0;left:0;width:100%;height:100%}.dialog .dialog-inner{width:90%;background-color:#fff;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);border-radius:4px}.dialog .modal{position:absolute;width:100%;height:100%;z-index:-1;top:0;left:0;background-color:rgba(0,0,0,.4)}#letter{position:relative;background-color:#161f30}#letter .dialog-content{text-align:center;padding:20px 0}#letter .dialog-content .dialog-success{font-size:18px;margin-top:20px;margin-bottom:5px}#letter .dialog-content .icon{width:44px;height:44px}#letter .dialog-content .dialog-desc{padding:0 20px;padding-bottom:30px;border-bottom:1px solid #ccc;font-size:18px;color:#333}#letter .dialog-content .download{margin-top:14px;color:#4798cb;font-size:16px}#letter .letter-bg{position:absolute}#letter .letter-bg img{width:100%}#letter .attention{color:#999;padding:0 40px;font-size:.11rem;line-height:.18rem}#letter .contain{text-align:center;position:relative;z-index:1;margin-top:123px;left:0;color:#fff;width:100%}#letter .vehicle-title{font-weight:700;font-size:20px;line-height:24px}#letter .vehicle-sub-title{font-size:18px;margin-top:10px;margin-bottom:20px;line-height:25px}#letter .vehicle-img{position:relative;text-align:center;margin:0 auto;width:279px;height:162px}#letter .vehicle-img img{position:absolute;left:0;right:0;top:0;bottom:0;margin:auto;width:100%;height:auto}#letter .vehicle-type{font-weight:700;margin:10px 0 5px 0;font-size:20px;line-height:28px}#letter .vehicle-desc{line-height:20px}#letter .sub-desc{font-size:18px;margin-top:103px;line-height:25px;margin-bottom:10px}#letter .form-item{height:60px}#letter .form-item-input{box-sizing:border-box;background-color:initial;color:#fff;width:285px;height:40px;padding:10px;border:1px solid #979797;border-radius:4px;outline:none}#letter .submit{display:inline-block;width:140px;height:40px;font-size:16px;margin-top:20px;line-height:40px;border-radius:4px;background:-webkit-linear-gradient(left,#90c1e0,#4798cb);background:linear-gradient(90deg,#90c1e0,#4798cb)}#letter ::-webkit-input-placeholder{color:#ddd}#letter ::-moz-placeholder{color:#ddd}#letter :-ms-input-placeholder{color:#ddd}#letter .top{overflow:hidden;padding:5px 0;background-color:#f5f7fa}#letter .top .logo{float:left;margin-left:15px}#letter .top .logo,#letter .top .logo img{width:40px;height:40px}#letter .top .top-title{color:#333;font-size:16px}#letter .top .top-sub-title{color:#666;font-size:12px}#letter .top .top-left{margin-left:10px}#letter .top-left{float:left}#letter .top-download{float:right;width:72px;height:30px;background-color:#4798cb;color:#fff;line-height:30px;text-align:center;border-radius:2px;margin-top:5px;margin-right:20px}