:root{--bg:#fcfcfb;--bg-alt:#f6f5f2;--card:#fff;--text:#1f1e1c;--muted:#6b6a66;--line:#e7e6e2;--brand:#c85a3a;--brand-hover:#b14b2e;--brand-text:#fff;--brand-soft:#fbece5;--glow:#e2785038;--glow-strong:#c85a3a8c;--ok:#2f9e5b;--danger:#c2412d;--frame:#fff;--shadow:0 1px 2px #1e140a0f, 0 24px 64px -28px #50281452;--radius:12px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#1c1c1b;--bg-alt:#222221;--card:#262625;--text:#ecebe8;--muted:#a3a19c;--line:#363634;--brand:#ec8c66;--brand-hover:#f2a586;--brand-text:#2a1610;--brand-soft:#3a2620;--glow:#ec8c6629;--glow-strong:#ec8c6659;--ok:#4cc27c;--danger:#f08470;--frame:#2c2c2a;--shadow:0 1px 2px #0000004d, 0 24px 64px -28px #000000b3;--lightningcss-light: 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.15s}.field:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.otp{gap:8px;display:flex}.otp-slot{border:1px solid var(--line);background:var(--bg);font-variant-numeric:tabular-nums;border-radius:10px;flex:1;justify-content:center;align-items:center;height:52px;font-size:1.4rem;transition:border-color .15s,box-shadow .15s;display:flex;position:relative}.otp-slot[data-active=true]{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.otp-caret{background:var(--text);width:1px;height:22px;animation:1s step-end infinite otp-caret;position:absolute}@keyframes otp-caret{50%{opacity:0}}.checkout-error{color:var(--danger);font-size:.9rem}.checkout-wait{color:var(--muted);text-align:center;margin:24px 0}.link{color:var(--brand);font:inherit;cursor:pointer;background:0 0;border:0;margin-left:8px;padding:0}.link:hover:not(:disabled){text-decoration:underline}.link:disabled{color:var(--muted);cursor:default}.link.center{justify-self:center;margin:0;font-size:.9rem}.button:disabled{opacity:.55;cursor:default}.qr-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.qr-pair.count-1{grid-template-columns:minmax(0,260px);justify-content:center}.qr{border:1px solid var(--line);text-align:center;background:var(--bg);border-radius:16px;margin:0;padding:18px 16px 16px}.qr figcaption{justify-content:center;align-items:center;gap:8px;margin-bottom:14px;font-weight:650;display:flex}.channel-mark{color:#fff;border-radius:6px;justify-content:center;align-items:center;width:22px;height:22px;font-size:.75rem;font-weight:700;display:inline-flex}.alipay .channel-mark{background:#1677ff}.wechat .channel-mark{background:#07c160}.qr-box{aspect-ratio:1;background:#fff;border-radius:12px;justify-content:center;align-items:center;max-width:200px;margin:0 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button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:7px 0;font-size:.9rem;transition:background .15s,color .15s}.segmented button.active{background:var(--card);color:var(--text);font-weight:600;box-shadow:0 1px 2px #00000014}.form,.checkout-form{gap:14px;display:grid}.auth-card .form{margin-top:22px}.form p,.checkout-form p{margin:0}.form-error{color:var(--danger);font-size:.9rem}.form-error a{margin-left:8px;font-weight:600}.form-note{color:var(--muted);font-size:.85rem}.form-aside{justify-self:end;margin-top:-6px;font-size:.875rem}.form-terms{color:var(--muted);text-align:center;font-size:.8rem}.field-with-action{position:relative}.field-with-action .field{padding-right:112px}.field-action{min-width:96px;color:var(--brand);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:0 12px;font-size:.875rem;font-weight:600;position:absolute;top:5px;bottom:5px;right:5px}.field-action:hover:not(:disabled){background:var(--brand-soft)}.field-action:disabled{color:var(--muted);cursor:default}.field-action.quiet{min-width:0;color:var(--muted);font-weight:500}.field-with-action .field[type=password],.field-with-action .field[autocomplete$=password]{padding-right:64px}.avatar{background:var(--brand-soft);width:28px;height:28px;color:var(--brand);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:inline-flex}.avatar.large{width:56px;height:56px;font-size:1.4rem}.account-link{color:var(--muted);align-items:center;gap:8px;font-size:.95rem;display:inline-flex}.account-link:hover{color:var(--text);text-decoration:none}.account-link.signed-in{color:var(--text);font-weight:600}.account-link.placeholder{width:32px}.account-name{text-overflow:ellipsis;white-space:nowrap;max-width:9em;overflow:hidden}.account-page{min-height:calc(100vh - 60px);padding:48px 0 80px}.account-card{border:1px solid var(--line);background:var(--card);border-radius:16px;margin-bottom:16px;padding:24px 28px}.account-card h2{margin-bottom:14px;font-size:1rem}.account-card p{margin:0}.profile{align-items:center;gap:18px;display:flex}.profile-text{flex:1;min-width:0}.profile h1{overflow-wrap:anywhere;flex-wrap:wrap;align-items:baseline;gap:4px 12px;font-size:1.4rem;display:flex}.profile h1 .link{margin:0;font-size:.875rem;font-weight:500}.inline-form{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.inline-form .field{flex:1;min-width:160px;padding:8px 12px}.access-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;display:flex}.access-state{font-size:1.15rem;font-weight:650}.access-download{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;padding-top:16px;display:flex}.purchases{margin:0;padding:0;list-style:none}.purchases li{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:12px 0;display:flex}.purchases li:first-child{border-top:0;padding-top:0}.purchases li div{gap:2px;min-width:0;display:grid}.purchase-what{font-weight:600}.purchase-amount{font-variant-numeric:tabular-nums;white-space:nowrap;align-items:center;gap:8px;font-weight:650;display:inline-flex}.muted-badge{background:var(--bg-alt);color:var(--muted)}.password-form{margin-top:16px}.download-icon{filter:drop-shadow(0 18px 30px var(--glow));margin:0 auto 24px;display:block}.actions .download-details{flex-basis:100%;margin-top:2px}.download-page .hero{padding-bottom:120px}.button-icon{width:1.15em;height:1.15em;margin:-2px 8px 0 -2px}.story{font-size:1.1rem}.story p{margin:0 0 18px}.principles{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:40px 0;display:grid}.principles article{background:var(--bg-alt);border-radius:16px;padding:22px}.principles h3{margin-bottom:6px;font-size:1.02rem}.principles p{color:var(--muted);margin:0;font-size:.95rem}.doc{padding-top:56px;padding-bottom:80px}.doc 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18px}.profile{flex-wrap:wrap}.checkout-inner{padding:28px 18px 22px}.qr-pair{gap:10px}.qr{padding:14px 10px 12px}.qr-open{display:block}.included{padding:24px 20px}.footer-columns{gap:28px 40px}}