*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#f5f5f7;color:#1d1d1f;line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:2rem}.header{text-align:center;margin-bottom:3rem}.header h1{font-size:2.5rem;font-weight:600;margin-bottom:.5rem}.subtitle{font-size:1.1rem;color:#6e6e73}.download-section{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}.download-card{background:#fff;border-radius:18px;padding:2rem;width:30%;text-align:center;box-shadow:0 10px 20px #0003;transition:transform .3s ease,box-shadow .3s ease;position:relative;overflow:hidden}.download-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #0000004d}.device-indicator{position:absolute;top:5px;left:5px;border-radius:5px;font-size:.75rem;font-weight:700;width:100px;color:#fff;background-color:#0071e3;padding:.2rem .5rem;z-index:10}.platform-icon{margin-bottom:1rem}.platform-icon svg{color:#1d1d1f}.ios .platform-icon svg{color:#000}.android .platform-icon svg{color:#3ddc84}.download-card h2{font-size:1.5rem;margin-bottom:1.5rem;font-weight:600}.qr-code{background:#f5f5f7;width:200px;height:200px;margin:0 auto 1.5rem;border-radius:10px;display:flex;align-items:center;justify-content:center}.update-time{font-size:.75rem;color:#6e6e73;margin-top:.8rem}.version-tip{font-size:.79rem;color:#000;margin-top:.8rem}.download-btn{border:none;padding:.8rem 2rem;border-radius:20px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .3s ease;width:100%}.download-btn.ios-btn{background:#0071e3;color:#fff}.download-btn.ios-btn:hover{background:#0077ed}.download-btn.ios-btn:disabled{background:#999!important;cursor:not-allowed!important;opacity:.7}.download-btn.android-btn,.download-btn.android64-btn{background:#3ddc84;color:#000}.download-btn.android-btn:hover,.download-btn.android64-btn:hover{background:#32b76c}.footer{text-align:center;padding:2rem 0;color:#6e6e73;font-size:.7rem}.footer p{margin:5px 0;font-size:12px;color:#888}.footer a{color:#6e6e73;text-decoration:revert-layer}.footer a:hover{text-decoration:underline}.tips{display:inline-flex;align-items:center;background-color:#faebd7;padding:8px 15px;border-radius:20px;margin-top:15px}.tips img{width:16px;height:16px;margin-right:8px}.tips span{font-size:12px;color:#666}@media (max-width: 768px){.container{padding:1rem}.header h1{font-size:2rem}.download-card{width:100%;max-width:320px}}@media (min-width: 1025px){.device-indicator{display:none}}.download-progress-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:1000;justify-content:center;align-items:center}.download-progress-content{background:#fff;padding:2rem;border-radius:12px;width:90%;max-width:320px;text-align:center}.download-progress-title{font-size:1.2rem;font-weight:600;margin-bottom:1rem;color:#1d1d1f}.download-progress-bar{width:100%;height:8px;background-color:#f5f5f7;border-radius:4px;margin:1rem 0;overflow:hidden}.download-progress-bar-fill{height:100%;background-color:#0071e3;width:0%;transition:width .3s ease}.download-progress-text{font-size:.9rem;color:#6e6e73;margin-top:.5rem}.download-progress-tip{font-size:.8rem;color:#000;margin-top:1rem;line-height:1.4;font-weight:600}.download-progress-button{margin-top:1.5rem;padding:.8rem 2rem;background-color:#0071e3;color:#fff;border:none;border-radius:20px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .3s ease;display:block;margin-left:auto;margin-right:auto}.download-progress-button:hover{background-color:#0077ed}