:root{color-scheme:dark;--bg:#19161f;--panel:#25202d;--line:#443747;--text:#fff8ee;--muted:#bcafbd;--accent:#ffa848;--accent-dark:#3b260d;--green:#8fdbaf;font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--text);background:radial-gradient(ellipse at 12% 0,#49304250,transparent 50%),radial-gradient(ellipse at 95% 30%,#422d4a35,transparent 48%),var(--bg);min-height:100vh}a{color:var(--accent);text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button:disabled{cursor:default;opacity:.62}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ffcf8f;outline-offset:4px}button{transition:transform .12s,background .15s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.topbar{max-width:1100px;margin:auto;padding:26px 32px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{color:var(--text);display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:.04em;line-height:1.15}.brand-sub{display:block;color:var(--muted);font-size:11px;letter-spacing:.12em;margin-top:5px;font-weight:500}.pill,.tiny-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:99px;font-size:11px;white-space:nowrap;padding:7px 10px;color:#d8c8d5;background:#ffffff04}.dot{width:6px;height:6px;background:var(--green);border-radius:50%}main{max-width:1000px;padding:12px 28px 50px;margin:auto}.intro{padding:22px 0 28px}.eyebrow{letter-spacing:.17em;font-size:11px;color:var(--accent);font-weight:700;margin:0 0 12px}h1{font-size:clamp(32px,5vw,50px);line-height:1.3;letter-spacing:-.035em;margin:0 0 16px}h2{font-size:17px;margin:0;font-weight:700}h3{font-size:18px;margin:0 0 9px;word-break:break-word}.lead{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.layout{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.card{background:linear-gradient(120deg,#3026347a,#25202def);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 14px 40px #00000010}.section-heading{display:flex;align-items:center;gap:10px;margin-bottom:23px;flex-wrap:wrap}.section-heading .tiny-badge{margin-left:auto}.step{font-size:11px;font-weight:700;color:#c6a1b9;letter-spacing:.04em;border:1px solid #604652;border-radius:8px;padding:5px 7px;background:#4b314236}.section-heading h2{flex:1}label,.field-label{font-size:12px;color:var(--muted);display:block;margin-bottom:9px}input{min-width:0;color:var(--text);background:#19151f;border:1px solid var(--line);border-radius:12px;width:100%;padding:14px;font-size:14px;line-height:1.4}input:focus{outline:2px solid var(--accent);outline-offset:2px}.input-wrap{display:flex;align-items:center;gap:10px;background:#19151f;border:1px solid var(--line);border-radius:13px;padding:0 13px;color:#aa8c9c}.input-wrap:focus-within{outline:2px solid var(--accent);outline-offset:2px}.input-wrap input{background:none;border:0;padding:16px 0;outline:none}.input-wrap input:focus{outline:none}.button{display:flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;width:100%;border:1px solid transparent;min-height:49px;padding:12px 16px;font-weight:700;font-size:14px;margin-top:14px;line-height:1.45}.primary{background:var(--accent);color:var(--accent-dark);box-shadow:0 3px 0 #f5a44218}.primary:hover:not(:disabled){background:#ffbd6f}.primary>span{margin-left:auto}.secondary{background:#463342;color:#ffe2ba;border-color:#765163}.secondary:hover:not(:disabled){background:#563e50}.flow{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#c2afbf;gap:7px;margin-top:23px;flex-wrap:wrap}.flow b{font-weight:400;color:#75576d}.note{font-size:11px;line-height:1.8;color:#aa98aa;margin:13px 0 0}.install-card>p{color:var(--muted);font-size:13px;line-height:1.9;margin:0 0 10px}.install-card strong{color:#f4e3d9}.status-text{font-size:11px!important;margin-top:12px!important;color:#d3bbca!important}.install-card details{border-top:1px solid var(--line);padding-top:14px;margin-top:17px;color:var(--muted);font-size:12px;line-height:1.8}summary{line-height:1.8}details ol{padding-left:20px}details li{margin:9px 0}.receipt-card{margin-top:20px;border-color:#8b6144;background:linear-gradient(120deg,#49312580,#28222e)}.success{color:#c0efce;border-color:#587b59;background:#46684126}.video-preview{display:flex;align-items:center;gap:18px;padding-bottom:20px}.video-preview>img{width:140px;aspect-ratio:16/9;border-radius:12px;object-fit:cover;flex-shrink:0}.video-preview .eyebrow{font-size:10px;margin-bottom:9px}.id-line{font-size:12px;color:var(--muted);margin:0 0 8px}code{font-family:ui-monospace,Consolas,monospace;color:#ffe1a9;font-size:13px;margin-left:6px;user-select:all}.video-preview a{font-size:12px}.read-only{font-family:ui-monospace,monospace;font-size:12px;color:#d5c4d3}.error-box{border:1px solid #a36869;border-radius:12px;background:#78434530;color:#ffd2cb;padding:16px;font-size:13px;line-height:1.8}.queue-card{margin-top:20px}.count{font-size:12px;color:#ceb2c7;border-radius:30px;background:#ffffff09;padding:5px 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solid var(--line);background:none;color:#b49cad;border-radius:9px;min-width:40px;min-height:40px;font-size:20px}.fallback{margin:24px 3px;color:var(--muted);font-size:12px;line-height:1.8}.fallback form{max-width:540px;margin-top:15px}.fallback p{margin:12px 0}.fallback .button{width:auto;min-width:150px}footer{display:flex;flex-direction:column;gap:7px;border-top:1px solid #3c2f3e;padding:24px 3px 0;color:#8d798d;font-size:11px;line-height:1.8}footer strong{color:#b8a2b3;font-weight:500}#pwa-status{font-size:10px;color:#776577}.warning{color:#ffd29e;font-size:12px;line-height:1.8}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);border:1px solid #8f6853;border-radius:12px;background:#3a2936;color:#ffe1b7;box-shadow:0 8px 28px #0008;padding:13px 20px;z-index:10;font-size:13px;max-width:90vw;white-space:normal;text-align:center}@media(max-width:680px){.topbar{padding:20px 20px 14px}.brand{font-size:19px}.brand img{width:36px;height:36px}.pill{font-size:10px;padding:6px 8px}main{padding:5px 18px 35px}.intro{padding:18px 2px 25px}h1{font-size:34px}.lead{font-size:13px}.layout{grid-template-columns:1fr;gap:14px}.card{padding:21px 19px;border-radius:18px}.section-heading{margin-bottom:18px;gap:8px}h2{font-size:16px}.tiny-badge{font-size:10px;padding:5px 7px}.install-card>p{font-size:12px}.install-card details{margin-top:13px}.video-preview{align-items:flex-start;gap:12px}.video-preview>img{width:98px;margin-top:4px}.video-preview h3{font-size:15px}.id-line{font-size:11px}.id-line code{font-size:11px}.desktop-only{display:none}.flow{font-size:10px}.receipt-card,.queue-card{margin-top:15px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}