.page-first{height:100%}.page-first .tip{font-size:12px;color:#666;line-height:35px;padding:0 15px}.page-first .login-btn{margin:16px}.page-first .login-btn .van-button--primary{background-color:#e60012;color:#fff}.page-first .login-btn .van-button--default{background-color:#dcdcdc;color:#fff}