:root{--bg-main:#14110f;--text-main:#fff;--text-muted:#89879a;--accent-1:#ff77c7;--accent-2:#7c8cff;--ios-gradient:linear-gradient(100deg, #8d58f1 0%, #ee77d4 54%, #ff9ac5 100%);--android-gradient:linear-gradient(100deg, #5967ff 0%, #4e8cff 62%, #65a8ff 100%);--sheet-bg:#f8f7fff5;--sheet-text:#242437;--shadow-soft:0 12px 26px #29285033;--transition-fast:.28s ease}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg-main);width:100%;min-height:100%;color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Arial,sans-serif}body{justify-content:center;display:flex;overflow-x:hidden}.page{background:url(/assets/bg-COiUUPp4.png) 58%/cover no-repeat;width:100%;max-width:853px;min-height:100svh;position:relative;overflow-x:hidden}.page:before{content:"";z-index:1;pointer-events:none;background:linear-gradient(90deg,#1a140f7a 0%,#1a140f2e 47%,#1a140f0f 100%),linear-gradient(#ffeecd29 0%,#110d0c38 72%,#110d0c61 100%);position:absolute;inset:0}.content{z-index:2;width:min(60%,470px);padding:clamp(54px,7.5svh,88px) 0 260px clamp(40px,9.5vw,84px);position:relative}.logo{filter:drop-shadow(0 10px 22px #461f6538);width:clamp(132px,18.5vw,168px);height:auto;margin-bottom:34px;display:block}.brand{text-shadow:0 3px 16px #00000029;margin:0;font-size:clamp(72px,11vw,96px);font-weight:700;line-height:1.1}.accent{background:linear-gradient(90deg, var(--accent-1), var(--accent-2));border-radius:999px;width:72px;height:7px;margin:28px 0 24px;display:block}.tagline{text-shadow:0 2px 14px #00000038;margin:0 0 36px;font-size:clamp(28px,4.3vw,34px);font-weight:500;line-height:1.5}.downloads{gap:12px;width:min(320px,100%);margin-bottom:22px;display:grid}.download-btn{min-height:66px;color:inherit;transition:transform var(--transition-fast), box-shadow var(--transition-fast);box-shadow:inset 0 1px 2px #ffffff8c, var(--shadow-soft);border-radius:21px;grid-template-columns:44px 1fr 20px;align-items:center;padding:0 19px 0 21px;font-size:clamp(20px,2.75vw,23px);font-weight:700;text-decoration:none;display:grid}.download-btn:active{transform:scale(.97)}.download-btn.ios{background:var(--ios-gradient)}.download-btn.android{background:var(--android-gradient)}.download-btn span:nth-child(2){white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.icon{place-items:center;width:34px;height:34px;font-size:29px;font-weight:700;display:inline-grid}.icon svg{fill:currentColor;width:1em;height:1em}.arrow{border-top:2px solid #ffffffe6;border-right:2px solid #ffffffe6;width:14px;height:14px;transform:rotate(45deg)}.meta{color:#fffffff0;text-shadow:0 2px 12px #00000038;gap:10px;margin:0 0 26px;padding:0;font-size:19px;line-height:1.4;list-style:none;display:grid}.meta li{align-items:center;gap:10px;display:flex}.badge{background:linear-gradient(135deg, var(--accent-1), var(--accent-2));border-radius:50%;place-items:center;width:23px;height:23px;font-size:14px;font-weight:800;display:inline-grid}.fallback-row{color:#ffffffe6;align-items:center;gap:14px;font-size:20px;display:flex}.fallback-toggle{color:#aeb2ff;height:46px;font:inherit;cursor:pointer;transition:background-color var(--transition-fast);background:#241f3a2e;border:1px solid #8c91ffc7;border-radius:999px;align-items:center;gap:12px;padding:0 22px;display:inline-flex}.fallback-toggle:hover,.fallback-toggle:focus-visible{background:#3c345f4d;outline:none}.fallback-toggle:after{content:"";border-bottom:2px solid;border-right:2px solid;width:11px;height:11px;transform:rotate(45deg)translateY(-2px)}.sheet{z-index:999;padding:16px clamp(22px, 9.5vw, 84px) max(34px, env(safe-area-inset-bottom));background:var(--sheet-bg);color:var(--sheet-text);transition:transform var(--transition-fast), visibility var(--transition-fast);border-radius:42px 42px 0 0;position:fixed;bottom:0;left:0;right:0;transform:translateY(0);box-shadow:0 -18px 42px #231c322e}.sheet.hidden{visibility:hidden;pointer-events:none;transform:translateY(calc(100% + 8px))}.sheet-handle{background:#d7d6df;border-radius:999px;width:58px;height:6px;margin:0 auto 24px}.sheet-title{text-align:center;color:#49475d;margin:0 0 16px;font-size:26px;font-weight:700;line-height:1.2}.sheet-close{width:34px;height:34px;color:var(--text-muted);cursor:pointer;transition:background-color var(--transition-fast);background:0 0;border:0;border-radius:50%;position:absolute;top:36px;right:clamp(24px,5.5vw,48px)}.sheet-close:hover,.sheet-close:focus-visible{background:#0000000d;outline:none}.sheet-close:before,.sheet-close:after{content:"";background:currentColor;border-radius:99px;width:2px;height:27px;position:absolute;top:4px;left:16px}.sheet-close:before{transform:rotate(45deg)}.sheet-close:after{transform:rotate(-45deg)}.backup-list{gap:12px;display:grid}.backup-item{min-height:86px;color:inherit;transition:transform var(--transition-fast), box-shadow var(--transition-fast);background:#fff;border-radius:8px;grid-template-columns:58px 1fr 18px;align-items:center;padding:12px 26px;text-decoration:none;display:grid;box-shadow:0 6px 16px #2d2b460d}.backup-item:active{transform:scale(.98)}.backup-icon{width:48px;height:48px;color:var(--text-main);border-radius:14px;place-items:center;font-size:31px;font-weight:700;display:grid}.backup-icon.ios{background:linear-gradient(135deg,#8c5cf0,#ec72d8)}.backup-icon.android{background:linear-gradient(135deg,#4f72ff,#55a0ff)}.backup-icon svg{fill:currentColor;width:1em;height:1em}.backup-name{font-size:23px;font-weight:700;line-height:1.2;display:block}.backup-sub{color:var(--text-muted);margin-top:4px;font-size:17px;line-height:1.3;display:block}.backup-arrow{border-top:2px solid #8e8da0;border-right:2px solid #8e8da0;width:13px;height:13px;transform:rotate(45deg)}.sheet-note{text-align:center;color:var(--text-muted);margin:28px 0 0;font-size:18px;line-height:1.5}@media (width<=560px){.page{background-position:56%}.content{width:min(82%,330px);padding-top:50px;padding-bottom:250px;padding-left:24px}.logo{width:122px;margin-bottom:24px}.brand{font-size:64px}.accent{width:62px;height:6px;margin:22px 0}.tagline{margin-bottom:30px;font-size:26px}.download-btn{border-radius:15px;grid-template-columns:34px 1fr 14px;min-height:44px;padding:0 12px;font-size:19px}.icon{width:26px;height:26px;font-size:22px}.downloads{gap:9px;width:min(280px,100%);margin-bottom:20px}.meta,.fallback-row{font-size:16px}.sheet{padding:10px 22px max(28px, env(safe-area-inset-bottom));border-radius:28px 28px 0 0}.sheet-handle{width:48px;height:5px;margin-bottom:20px}.sheet-title{margin-bottom:14px;font-size:24px}.sheet-close{top:30px;right:22px}.backup-item{grid-template-columns:52px 1fr 16px;min-height:72px;padding:10px 18px}.backup-icon{border-radius:12px;width:44px;height:44px}.backup-name{font-size:21px}.backup-sub{font-size:16px}.sheet-note{margin-top:24px;font-size:16px}}