.tip-container{width:100%;height:80vh;flex-direction:column;display:flex;justify-content:center;align-items:center}.tip-container .tip-icon-info{width:64px;height:64px;color:#10aeff;-webkit-mask-size:100%;mask-size:100%;background-color:currentColor;-webkit-mask-image:url(data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M12%2022C6.477%2022%202%2017.523%202%2012S6.477%202%2012%202s10%204.477%2010%2010-4.477%2010-10%2010zm-.75-12v7h1.5v-7h-1.5zM12%209a1%201%200%20100-2%201%201%200%20000%202z%22%2F%3E%3C%2Fsvg%3E);mask-image:url(data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M12%2022C6.477%2022%202%2017.523%202%2012S6.477%202%2012%202s10%204.477%2010%2010-4.477%2010-10%2010zm-.75-12v7h1.5v-7h-1.5zM12%209a1%201%200%20100-2%201%201%200%20000%202z%22%2F%3E%3C%2Fsvg%3E)}.tip-container .hint{font-size:14px;color:#666;margin-top:20px;text-align:center}footer{width:100%;height:3.25rem;background:#fff;position:fixed;z-index:99;bottom:0;left:0;border-top:1px #f0f0f0 solid}.icon-back{background:url('data:image/png;base64,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')no-repeat;width:25px;height:25px;margin:13px auto;background-size:25px;display: block;border: none;}