:root{--bg1:#1b1145;--bg2:#0d0a24;--card:#ffffff12;--line:#ffffff24;--text:#f3eefc;--sub:#b3a9d6;--peach:#ffd29a;--pink:#ff9ec0;--mint:#8fe6d0;--warn:#ffcf8b;--danger:#ff7b95}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{height:100%}body{color:var(--text);background:#07051a;font-family:-apple-system,PingFang SC,Noto Sans CJK SC,Noto Sans SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.55}button,input,textarea{font:inherit;color:inherit}a{color:inherit}.stage{background:radial-gradient(1200px 600px at 50% -10%,#2a1a66 0%,#0a0720 60%);justify-content:center;align-items:flex-start;min-height:100vh;display:flex}.device{background:linear-gradient(170deg,var(--bg1),var(--bg2) 70%);width:100%;height:100dvh;position:relative;overflow:hidden}.device.light{color:#2b2342;background:linear-gradient(170deg,#ffe9d6,#f6ecfb 45%,#efe9ff)}@media (width>=560px){.stage{align-items:center;padding:24px 0}.device{border:8px solid #17122f;border-radius:42px;width:394px;height:min(844px,100vh - 48px);box-shadow:0 30px 80px #0009,0 0 0 2px #3a2f6b}}.stars{pointer-events:none;background-image:radial-gradient(1.5px 1.5px at 20px 30px,#fff8,#0000),radial-gradient(1px 1px at 90px 120px,#fff9,#0000),radial-gradient(1.5px 1.5px at 180px 60px,#ffd9ee99,#0000),radial-gradient(1px 1px at 260px 200px,#fff8,#0000),radial-gradient(1.5px 1.5px at 330px 90px,#fff9,#0000),radial-gradient(1px 1px at 50px 260px,#fff7,#0000);background-size:360px 300px;position:absolute;inset:0}.light .stars{display:none}.screen{-webkit-overflow-scrolling:touch;padding:16px 16px 28px;position:absolute;inset:0;overflow-y:auto}.screen.has-tabs{bottom:62px}.screen::-webkit-scrollbar{width:0}.topbar{align-items:center;gap:10px;min-height:36px;margin:2px 0 14px;display:flex}.topbar h1{text-align:center;flex:1;font-size:17px;font-weight:700}.topbar .spacer{width:36px}.iconbtn{border:1px solid var(--line);background:var(--card);cursor:pointer;border-radius:50%;place-items:center;width:36px;height:36px;font-size:16px;text-decoration:none;display:grid}.brand{align-items:center;gap:8px;font-size:18px;font-weight:800;display:flex}.orb{background:radial-gradient(circle at 35% 30%,#fff,#ffb3d1 45%,#b36bff);border-radius:50%;width:26px;height:26px}.card{background:var(--card);border:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:18px;margin-bottom:12px;padding:14px}.light .card{color:#2b2342;background:#ffffffbf;border-color:#785ab426}.card h3{margin-bottom:4px;font-size:15px}.sub{color:var(--sub);font-size:13px}.light .sub{color:#7a6c9c}.btn{cursor:pointer;background:linear-gradient(90deg,var(--peach),var(--pink));color:#3a1840;text-align:center;border:0;border-radius:999px;width:100%;padding:13px 16px;font-size:16px;font-weight:700;text-decoration:none;display:block}.btn.ghost{background:var(--card);color:var(--text);border:1px solid var(--line);font-weight:600}.light .btn.ghost{color:#4a3a70;background:#ffffffb3;border-color:#785ab440}.btn.small{width:auto;padding:8px 14px;font-size:14px;display:inline-block}.btn.danger{color:var(--danger);background:#ff7b9526;border:1px solid #ff7b9566}.btn:disabled{opacity:.45;cursor:not-allowed}.row{align-items:center;gap:8px;display:flex}.row>*{flex:1}.field{margin-bottom:12px;display:block}.field>span{color:var(--sub);margin-bottom:5px;font-size:13px;display:block}.light .field>span{color:#6a5b8f}input[type=text],input[type=tel],textarea{border:1px solid var(--line);background:#ffffff0f;border-radius:14px;outline:none;width:100%;padding:11px 13px}.light input[type=text],.light input[type=tel],.light textarea{color:#2b2342;background:#fff;border-color:#785ab440}textarea{resize:none;min-height:110px}input::placeholder,textarea::placeholder{color:#9a8fc0aa}.counter{text-align:right;color:var(--sub);font-size:12px}.err{color:var(--danger);margin:8px 0;font-size:13.5px}.light .err{color:#c62f58}.ok{color:var(--mint);margin:8px 0;font-size:13.5px}.light .ok{color:#17896d}.pill{border:1px solid var(--line);background:#ffffff14;border-radius:999px;padding:2px 9px;font-size:11.5px;display:inline-block}.pill.warn{color:var(--warn);border-color:#ffcf8b80}.pill.mint{color:var(--mint);border-color:#8fe6d080}.pill.peach{background:linear-gradient(90deg,var(--peach),var(--pink));color:#3a1840;border:0;font-weight:700}.test-banner{text-align:center;color:var(--warn);background:#ffcf8b24;border:1px dashed #ffcf8b73;border-radius:10px;margin-bottom:10px;padding:5px 8px;font-size:12px}.light .test-banner{color:#9a5a00;background:#ffbe6433}.avatar{background:linear-gradient(135deg,#7b5cff,#ff9ec0);border-radius:50%;flex:none;place-items:center;width:42px;height:42px;font-size:22px;display:grid}.avatar.star{background:radial-gradient(circle at 35% 30%,#fff,#d9c6ff 50%,#8d7bff)}.avatar.initial{background:linear-gradient(135deg,#4b3d8f,#6d58c9);font-size:18px;font-weight:700}.avatar.sm{width:32px;height:32px;font-size:17px}.tabbar{border-top:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0e0a26eb;height:62px;display:flex;position:absolute;bottom:0;left:0;right:0}.tabbar a{color:var(--sub);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:1px;font-size:11.5px;text-decoration:none;display:flex;position:relative}.tabbar a .ic{font-size:20px}.tabbar a.on{color:var(--peach)}.dot{background:var(--pink);color:#3a1840;border-radius:8px;place-items:center;min-width:16px;height:16px;padding:0 4px;font-size:10.5px;font-weight:800;display:grid;position:absolute;top:7px;left:calc(50% + 8px)}.clue{border:1px solid var(--line);background:linear-gradient(160deg,#8264ff38,#ffffff0d);border-radius:20px;margin-bottom:12px;padding:14px}.clue .who{align-items:center;gap:10px;display:flex}.clue .name{font-size:16px;font-weight:700}.clue blockquote{margin:12px 0 2px;font-family:Noto Serif CJK SC,serif;font-size:16px;line-height:1.7}.clue.sB{border-color:#ffcf8b73}.clue.sC{border-color:#8fe6d080}.clue .note{color:var(--sub);background:#0000002e;border-radius:12px;margin-top:10px;padding:8px 10px;font-size:12.5px}.hint{border:1px solid var(--line);background:#ffffff0d;border-radius:14px;margin-bottom:8px;padding:10px 12px}.hint small{color:var(--sub);font-size:11.5px;display:block}.hint b{font-weight:600}.hint.hl{background:linear-gradient(120deg,#8264ff66,#ff9ec033)}.listitem{color:inherit;align-items:flex-start;gap:10px;text-decoration:none;display:flex}.listitem .main{flex:1;min-width:0}.listitem .main p{white-space:nowrap;text-overflow:ellipsis;color:var(--sub);font-size:13.5px;overflow:hidden}.bubble{background:#ff9ec026;border:1px solid #ff9ec04d;border-radius:14px;margin:6px 0;padding:9px 12px}.seg{flex-wrap:wrap;gap:6px;display:flex}.seg button{border:1px solid var(--line);background:var(--card);cursor:pointer;border-radius:999px;flex:1;min-width:0;padding:9px 6px;font-size:13.5px}.seg button.on{background:linear-gradient(90deg,var(--peach),var(--pink));color:#3a1840;border:0;font-weight:700}.switch{cursor:pointer;background:#fff3;border:0;border-radius:13px;flex:none;width:46px;height:26px;position:relative}.switch:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:all .2s;position:absolute;top:3px;left:3px}.switch.on{background:var(--mint)}.switch.on:after{left:23px}.switch:disabled{opacity:.6;cursor:not-allowed}.big-code{letter-spacing:5px;text-align:center;color:#7a2d6a;padding:10px 0;font-family:ui-monospace,Menlo,monospace;font-size:30px;font-weight:800}.dark .big-code{color:var(--peach)}.checkrow{align-items:flex-start;gap:9px;margin:10px 0;font-size:13px;line-height:1.5;display:flex}.checkrow input{accent-color:#ff7fb0;flex:none;width:17px;height:17px;margin-top:3px}.slider{margin:10px 0}.slider 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45%,#b36bff);border-radius:50%;width:110px;height:110px;position:absolute;top:-26px;right:-26px}.hero small{color:#f0d9ff;font-size:12px}.hero h2{z-index:1;max-width:75%;margin:6px 0;font-family:Noto Serif CJK SC,serif;font-size:21px;line-height:1.35;position:relative}.hero p{color:#d8caf5;font-size:12.5px}.footnote{color:#8b7fb0;text-align:center;margin-top:12px;font-size:11.5px}.light .footnote{color:#8e82ad}.step{justify-content:center;gap:6px;margin:2px 0 12px;display:flex}.step i{background:#785ab440;border-radius:2px;width:26px;height:4px}.step i.on{background:linear-gradient(90deg,var(--peach),var(--pink))}.copy{cursor:pointer;color:#a24d86;background:0 0;border:0;font-size:12.5px;text-decoration:underline}.modal{z-index:20;background:#050314b3;place-items:end center;display:grid;position:absolute;inset:0}.modal .sheet{border-top:1px solid var(--line);background:#1d1550;border-radius:24px 24px 0 0;width:100%;padding:18px 16px 24px}.modal .sheet h3{margin-bottom:6px}.landing{padding:20px 16px 40px}.landing h1{margin:8px 0;font-family:Noto Serif CJK SC,serif;font-size:24px}.landing ol{margin:6px 0 12px;padding-left:20px}.landing li{margin:7px 0;font-size:14px}.landing code{background:#ffffff1a;border-radius:6px;padding:1px 6px;font-size:13px}