:root{font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;color:#f7f9ff;background:#111921;color-scheme:dark;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#app{width:100%;min-height:100%;margin:0}body{min-height:100vh;min-height:100svh;overflow-x:hidden;background:#111921}button{font:inherit}.download-page{--page-gutter: clamp(8px, 3vw, 24px);--safe-top: max(8px, env(safe-area-inset-top));--safe-right: max(var(--page-gutter), env(safe-area-inset-right));--safe-bottom: max(8px, env(safe-area-inset-bottom));--safe-left: max(var(--page-gutter), env(safe-area-inset-left));position:relative;isolation:isolate;display:grid;width:100%;min-height:100vh;min-height:100svh;min-height:100dvh;place-items:start center;overflow-x:clip;overflow-y:auto;padding:var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);background-color:#111921;background-image:linear-gradient(180deg,#0b151c0f,#0a111775),url(../background.png);background-position:center;background-size:cover}.download-page:after{position:absolute;inset:auto 0 0;z-index:-1;height:36%;content:"";background:linear-gradient(180deg,#0e161d00,#070d1280);pointer-events:none}.download-shell{position:relative;container-type:inline-size;width:min(430px,100%);height:min(820px,calc(100vh - 24px));height:min(820px,calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom)));min-height:296px}.phone-screen{position:absolute;top:clamp(4px,2.4dvh,26px);left:50%;z-index:0;display:block;width:min(91%,388px);height:auto;transform:translate(-50%);filter:drop-shadow(0 22px 32px rgba(3,7,12,.4));pointer-events:none;-webkit-user-select:none;user-select:none;border-radius:12px}.download-panel{position:fixed;right:auto;bottom:0;left:50%;z-index:1;width:min(454px,calc(100vw - var(--safe-left) - var(--safe-right) + 24px));aspect-ratio:1125 / 900;overflow:hidden;text-align:center;transform:translate(-50%)}.download-panel-art{position:absolute;top:0;left:0;z-index:0;display:block;width:100%;height:100%;object-fit:fill;pointer-events:none;-webkit-user-select:none;user-select:none}.download-actions,.notice{position:relative;z-index:1}.download-actions{position:absolute;right:clamp(12px,4.7cqw,21px);bottom:clamp(29px,9.8cqw,42px);left:clamp(12px,4.7cqw,21px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(6px,2.8cqw,12px)}.download-button{display:inline-flex;width:100%;min-width:0;min-height:clamp(42px,12.3cqw,53px);align-items:center;justify-content:center;gap:clamp(4px,1.9cqw,8px);padding:clamp(8px,2.8cqw,12px) clamp(6px,2.4cqw,10px);border:1px solid rgba(217,226,246,.16);border-radius:999px;background:#e1e8f71f;color:#f4f6fc;cursor:pointer;font-size:clamp(11px,3.72cqw,16px);font-weight:600;letter-spacing:.02em;line-height:1.2;white-space:nowrap;touch-action:manipulation;transition:background .16s ease,border-color .16s ease,transform .16s ease}.platform-icon{display:block;width:clamp(14px,4.4cqw,19px);height:clamp(14px,4.4cqw,19px);object-fit:contain;flex:0 0 auto}@media(hover:hover)and (pointer:fine){.download-button:hover{border-color:#e8efff57;background:#e1e8f733;transform:translateY(-2px)}}.download-button:active{transform:translateY(0)}.download-button:focus-visible{outline:3px solid rgba(182,211,255,.7);outline-offset:3px}.notice{position:absolute;right:8px;bottom:clamp(4px,1.4cqw,6px);left:8px;min-height:14px;margin:0;color:#d6e7ff;font-size:clamp(9px,2.8cqw,12px);line-height:1.15;opacity:0;transition:opacity .16s ease}.notice--visible{opacity:1}@media(max-width:300px){.download-actions{right:12px;bottom:18px;left:12px;grid-template-columns:1fr;gap:4px}.download-button{min-height:36px;font-size:clamp(9px,3.6cqw,11px)}.notice{display:none}}.wechat-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.wechat-tip{position:absolute;top:0;right:4px;text-align:right;color:#fff}.wechat-tip p{font-size:18px;line-height:1.6;margin:0;font-weight:500}.wechat-arrow{display:block;width:60px;height:60px;margin-left:auto;margin-bottom:10px;object-fit:contain}@media(prefers-reduced-motion:reduce){.download-button,.notice{transition:none}}