.mask{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;z-index:999;display:flex;flex-direction:column;align-items:center;justify-content:center}.mask-content{position:fixed;top:80px;color:#fff;font-size:16px;padding:0 40px;margin-top:10px}@keyframes arrowShake{0%{transform:rotate(0)}10%{transform:rotate(-20deg)}20%{transform:rotate(20deg)}30%{transform:rotate(-20deg)}40%{transform:rotate(20deg)}50%{transform:rotate(0)}to{transform:rotate(0)}}.arrow-image{position:fixed;top:20px;right:20px;width:60px;height:60px;animation:arrowShake 2s ease-out infinite}.body{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%}.logo{height:130px;width:130px}.title{font-size:24px;font-weight:700;margin:20px 0 10px;color:#333}.description{font-size:14px;color:#666;text-align:center;line-height:1.5;max-width:300px;margin-bottom:20px}.btn .android,.btn .ios{position:relative;text-align:center;font-size:16px;padding:14px 10px;margin:0 auto 20px;width:213px;display:flex;justify-content:center;align-items:center;flex-direction:column}.btn{width:100%;margin-top:15px}.btn div{border:1px solid #1a191c;padding:20px 30px;width:220px;border-radius:200px;text-align:center;font-size:18px}