:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box;margin:0;padding:0}.page{width:100vw;height:100vh;background:linear-gradient(#0000004d,#00000080),url(/static/bg.jpg) center/cover no-repeat;display:flex;justify-content:center;align-items:center;overflow:hidden;font-family:PingFang SC,Microsoft YaHei,sans-serif}.container{display:flex;flex-direction:column;align-items:center;gap:40px;width:100%;max-width:480px;padding:20px;animation:fadeIn .8s ease-out}.logo-wrapper{width:100%;display:flex;justify-content:center;animation:float 3s ease-in-out infinite}.logo{max-width:80%;height:auto;filter:drop-shadow(0 4px 12px rgba(0,0,0,.3));transition:transform .3s ease}.logo:hover{transform:scale(1.02)}.content{width:100%;display:flex;justify-content:center}.download-btn{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;width:240px;height:60px;background:linear-gradient(135deg,gold,#fa0);border:none;border-radius:30px;cursor:pointer;color:#fff;font-weight:700;font-size:18px;box-shadow:0 4px 15px #fa06,inset 0 1px 1px #ffffff4d;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;outline:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.download-btn:active{transform:translateY(1px);box-shadow:0 2px 8px #ffaa004d}.download-btn:focus,.download-btn:focus-visible{outline:none}.btn-icon{font-size:20px;display:flex;align-items:center}.btn-text{letter-spacing:1px}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@media(max-width:480px){.logo{max-width:90%}.download-btn{width:200px;height:50px;font-size:16px}}