:root{--bg:#0d0b14;--panel:#171423;--panel-2:#1f1b2e;--line:#2c2740;--tx:#e8e4f5;--dim:#9a92b8;--accent:#7c5cff;--bubble-user:#7c5cff;--bubble-ai:#1f1b2e;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--tx);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}button{font:inherit;color:inherit;cursor:pointer}.app{position:relative;max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:12px 14px;background:rgba(13,11,20,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.topbar h1{margin:0;font-size:17px;font-weight:650;flex:1 1}.topbar 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2px;border-radius:10px;scroll-snap-align:center;transition:border-color .16s ease}.bgthumb.on{box-shadow:0 0 0 2px rgba(124,92,255,.28)}.bgthumb-img{width:100%;aspect-ratio:4/3;background-size:cover;background-position:50%}.bgthumb-label{display:block;margin-top:4px;padding:0 5px;font-size:10.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bgthumb.on .bgthumb-label{color:#cdc0ff}.chat .topbar{position:relative;z-index:2;background:rgba(13,11,20,.62);border-bottom:1px solid rgba(44,39,64,.7)}.chat .topbar img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}.msglist{position:relative;z-index:1;flex:1 1;overflow-y:auto;padding:16px 14px 8px;gap:14px;-webkit-overflow-scrolling:touch}.msg,.msglist{display:flex;flex-direction:column}.msg{gap:4px;max-width:84%}.msg.user{align-self:flex-end;align-items:flex-end}.msg.ai{align-self:flex-start;align-items:flex-start}.bubble{padding:10px 13px;border-radius:14px;font-size:15px;line-height:1.62;white-space:pre-wrap;word-break:break-word;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.msg.user .bubble{background:var(--bubble-user);color:#fff;border-bottom-right-radius:5px}.msg.ai .bubble{background:rgba(20,17,30,.82);border:1px solid rgba(124,92,255,.22);border-bottom-left-radius:5px}.bubble .cursor{display:inline-block;width:6px;height:1.05em;margin-left:2px;vertical-align:-.16em;background:var(--accent);animation:blink 1s steps(2,start) infinite}@keyframes blink{to{visibility:hidden}}.meta{font-size:10.5px;color:rgba(154,146,184,.8);padding:0 4px}.sysline{align-self:center;max-width:84%;font-size:12px;color:var(--dim);text-align:center;padding:2px 10px}.menu-scrim{position:fixed;inset:0;z-index:40}.msgmenu{position:fixed;z-index:41;display:flex;flex-direction:column;min-width:110px;padding:4px;border-radius:10px;border:1px solid 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12px}.cd-fact{display:flex;gap:12px;font-size:14px;line-height:1.55}.cd-fact-label{flex:none;width:38px;color:var(--dim);font-size:12.5px;padding-top:1px}.cd-fact-value{color:var(--fg);word-break:break-word}.cd-section{padding:4px 16px 14px}.cd-section h2{margin:0 0 8px;font-size:14.5px;font-weight:650;padding-left:9px;border-left:3px solid var(--accent);line-height:1.3}.cd-story{margin:0;font-size:13.5px;line-height:1.8;color:#b9b3c9;white-space:pre-wrap}.topbar-avatar{background:none;border:none;padding:0;flex:none}.about-hero{position:relative;height:42vh;min-height:280px;overflow:hidden}.about-hero img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}.about-hero-scrim{position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,11,20,.95) 0,rgba(13,11,20,.2) 50%,rgba(13,11,20,.35))}.about-hero-text{position:absolute;left:16px;right:16px;bottom:14px}.about-hero-text h1{margin:0 0 5px;font-size:21px;font-weight:700}.about-hero-text p{margin:0;font-size:13px;color:#cdc7dd}.about-stats{display:flex;gap:10px;padding:16px 14px 4px}.about-stat{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:5px;padding:14px 4px;border-radius:11px;background:var(--panel);border:1px solid var(--line)}.about-stat b{font-size:19px}.about-stat span{font-size:11.5px;color:var(--dim)}.about-dim,.about-note{color:var(--dim)}.about-note{padding:8px 16px;font-size:11.5px}.about-actions{padding:22px 16px}.about-restart{width:100%;padding:12px 0;border:1px solid rgba(255,107,107,.45);border-radius:11px;background:rgba(255,107,107,.12);color:#ff8a8a;font-size:15px;font-weight:600}.about-restart:disabled{opacity:.5}.about-restart-hint{margin:10px 2px 0;font-size:11.5px;color:var(--dim);text-align:center}.bggrid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px;padding:2px 0 6px}.bgthumb{display:block;padding:0;border:1px solid var(--line);border-radius:9px;background:var(--panel);overflow:hidden;text-align:center}.bgthumb.on{border-color:var(--accent)}.bgthumb-img{display:block;height:64px}.bgthumb-img img{width:100%;height:100%;object-fit:cover;display:block}.settings-hint{font-size:11.5px;color:var(--dim);margin-bottom:8px}.settings .me-row{border-radius:9px;border-bottom:1px solid var(--line);border:1px solid var(--line);margin-bottom:10px}.disc-overlay{position:fixed;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.62);padding:22px}.disc-card{width:100%;max-width:400px;max-height:78vh;display:flex;flex-direction:column;border-radius:14px;background:var(--panel);border:1px solid var(--line);padding:18px 16px 14px}.disc-card h2{margin:0 0 10px;font-size:16.5px}.disc-body{overflow-y:auto;flex:1 1}.disc-body p{margin:0 0 9px;font-size:12.5px;line-height:1.75;color:#b9b3c9}.disc-ok{margin-top:10px;padding:11px 0;border:none;border-radius:10px;background:var(--accent);color:#fff;font-size:14.5px;font-weight:600}.cd-section h2{display:flex;align-items:center;justify-content:space-between;gap:10px}.cd-fold{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.cd-fold-btn{background:none;border:none;color:var(--accent);font-size:12px;padding:2px 0;flex:none}.cd-story+.cd-fold-btn{margin-top:6px}