:root{color-scheme:light;--bg:#f4f5f7;--card:#fff;--text:#11151b;--muted:#535e6c;--line:#d6dce3;--accent:#a62b43;--tint:#fbf0f3;--field:#fafbfc;--shadow:0 16px 60px #18243a09}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}.shell{width:min(100% - 40px,540px);margin:auto;padding:28px 0 36px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:44px}.brand{display:flex;gap:12px;align-items:center;color:var(--text);text-decoration:none;font-size:19px;font-weight:750}.brand img{border-radius:9px}.brand-sub{font-size:13px;font-weight:450;color:var(--muted);display:block;line-height:1.2;letter-spacing:2px}.icon{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;font-size:23px;background:transparent;color:var(--text)}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer;font:inherit}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.eyebrow{font-size:14px;font-weight:650;letter-spacing:3px;color:var(--accent)}h1{font-size:38px;line-height:1.25;letter-spacing:-1px;margin:14px 0 16px;font-weight:750}.intro p{margin:0 0 28px;color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}label{display:flex;align-items:center;gap:10px;font-weight:650}.number{display:inline-flex;align-items:center;justify-content:center;background:var(--tint);color:var(--accent);font-size:13px;width:27px;height:27px;border-radius:8px;font-weight:700}.field-hint{margin:7px 0 12px;color:var(--muted);font-size:14px}.label-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:26px}.text-button{border:0;padding:5px 0;background:none;color:var(--accent);font-size:14px;font-weight:600}input,textarea{border:1px solid var(--line);border-radius:10px;width:100%;padding:13px 14px;background:var(--field);color:var(--text);font-family:Consolas,monospace;font-size:16px;line-height:1.55;resize:vertical}input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}input::placeholder,textarea::placeholder{color:var(--muted)}.binding-note{font-size:14px;margin:16px 0 20px;color:var(--muted)}.primary{border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:11px;padding:13px 18px;font-weight:650;min-height:50px;width:100%;display:flex;justify-content:center;align-items:center;gap:15px}.primary:hover{filter:brightness(1.08)}.message{font-size:14px;color:var(--accent);margin:12px 0 0;overflow-wrap:anywhere}.message:empty{display:none}footer{text-align:center;color:var(--muted);font-size:14px;margin-top:26px}footer span{display:block;font-size:13px;margin-top:6px}.success-mark{width:48px;height:48px;display:grid;place-items:center;font-size:25px;background:var(--tint);color:var(--accent);border-radius:50%}h2{font-size:24px;margin:15px 0 10px}#result p{color:var(--muted)}#result .primary{margin-top:16px}#result>.text-button{display:block;margin:20px auto 0}#license{font-size:14px;word-break:break-all}html[data-theme=dark]{color-scheme:dark;--bg:#141619;--card:#202328;--text:#fff;--muted:#bec5cf;--line:#424953;--accent:#ed8b9d;--tint:#422d35;--field:#191c21;--shadow:none}html[data-theme=dark] .primary{color:#fff;background:#512c38;border-color:#ad5c70}html[data-theme=dark] .primary:hover{background:#693649}.admin-shell{width:min(100% - 40px,850px)}.admin-shell header{margin-bottom:28px}.admin-shell h1{font-size:30px}.admin-shell .card{margin:20px 0}.inline{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.inline>div{flex:1;min-width:140px}.inline .primary{width:auto;min-width:130px}.stats{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted)}.stats strong{display:block;color:var(--text);font-size:26px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}td,th{padding:13px 8px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted)}.admin-note{color:var(--muted);font-size:14px}.admin-shell input{margin-top:8px}.admin-shell .label-row{margin-top:0}.admin-shell textarea{margin-top:14px}a{color:var(--accent)}[hidden]{display:none!important}@media(max-width:420px){.shell{width:calc(100% - 28px);padding-top:20px}header{margin-bottom:30px}h1{font-size:33px}.card{padding:22px 18px}.label-row{gap:8px}.field-hint{font-size:14px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}
.download-card{margin-bottom:20px}.download-card .field-hint:last-child{margin-bottom:0;text-align:center}
/* Customer portal */
.customer-shell{width:min(1120px,calc(100% - 64px));padding-top:30px}.customer-page{background:var(--bg)}.customer-page header{margin-bottom:72px;padding-bottom:24px;border-bottom:1px solid var(--line)}nav{display:flex;align-items:center;gap:28px}nav a{font-size:14px;text-decoration:none;color:var(--muted)}.workspace{display:grid;grid-template-columns:1fr 470px;gap:80px;align-items:start}.product{padding:22px 0}.product .eyebrow{font-size:11px;letter-spacing:2px}.product h1{font-size:58px;letter-spacing:-2px;line-height:1.18;margin:23px 0}.product h1 span{color:var(--accent)}.lead{font-size:17px;color:var(--muted);line-height:1.9;margin:0 0 22px}.feature-tags{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:30px}.feature-tags span{font-size:11px;letter-spacing:.5px;border:1px solid var(--line);border-radius:6px;padding:4px 9px;color:var(--muted)}.download-link{max-width:350px;display:flex;align-items:center;gap:16px;background:var(--text);color:var(--card);padding:17px 20px;border-radius:14px;text-decoration:none;font-weight:650}.download-link:hover{opacity:.88}.download-link small{display:block;font-size:11px;font-weight:400;opacity:.75;margin-top:3px}.download-link>span:last-child{margin-left:auto}.download-symbol{font-size:27px;line-height:1}.steps{margin-top:32px;display:grid;gap:18px}.steps>div{display:flex;align-items:center;gap:16px}.steps>div>span{font-size:12px;color:var(--accent);background:var(--tint);width:32px;height:32px;display:grid;place-items:center;border-radius:50%;font-weight:700}.steps p{margin:0}.steps strong{display:block;font-size:14px}.steps small{display:block;font-size:12px;color:var(--muted);margin-top:2px}.product-note{font-size:12px;color:var(--muted);margin-top:27px}.activation-card{padding:32px;border-radius:22px;box-shadow:0 20px 60px #19232d08;scroll-margin-top:24px}.card-heading{display:flex;justify-content:space-between;align-items:center}.card-heading .eyebrow{font-size:10px;letter-spacing:2px}.card-badge{background:var(--tint);color:var(--accent);font-size:11px;padding:4px 10px;border-radius:20px}.activation-card h2{font-size:27px;letter-spacing:-.7px;margin-top:18px}.card-description{font-size:13px;color:var(--muted);margin:0 0 29px}.activation-card label{font-size:14px}.activation-card .field-hint{font-size:12px}.activation-card input,.activation-card textarea{font-size:14px;padding:14px;border-radius:10px}.activation-card .text-button{font-size:12px}.activation-card .binding-note{font-size:11px;line-height:1.7;background:var(--tint);padding:11px 12px;border-radius:8px;margin:17px 0}.activation-card .primary{font-size:14px;justify-content:space-between}.form-footnote{font-size:11px;color:var(--muted);text-align:center;margin:15px 0 0}.help-section{display:grid;grid-template-columns:1fr 1.45fr;gap:70px;border-top:1px solid var(--line);margin-top:64px;padding-top:38px}.help-section .eyebrow{font-size:10px}.help-section h2{font-size:23px;margin-top:12px}.help-list details{border-bottom:1px solid var(--line);padding:17px 0}.help-list details:first-child{padding-top:0}.help-list summary{display:flex;justify-content:space-between;gap:14px;cursor:pointer;font-size:14px;list-style:none;font-weight:550}.help-list summary::-webkit-details-marker{display:none}.help-list summary span{color:var(--accent);font-size:18px}.help-list details[open] summary span{transform:rotate(45deg)}.help-list p{font-size:13px;color:var(--muted);margin-bottom:0}.site-footer{display:flex;justify-content:space-between;text-align:left;font-size:12px;padding-top:30px;margin-top:42px}.site-footer span{font-size:12px;margin:0}.customer-page:has(html){color:inherit}html[data-theme=dark] .download-link{background:#f1edf0;color:#1b1618}html[data-theme=dark] .activation-card{box-shadow:none}@media(max-width:960px){.workspace{gap:35px;grid-template-columns:1fr 430px}.product h1{font-size:47px}.customer-shell{width:calc(100% - 40px)}}@media(max-width:760px){.customer-shell{width:min(540px,calc(100% - 32px));padding-top:20px}.customer-page header{margin-bottom:28px;padding-bottom:20px}nav{gap:14px}nav a{font-size:12px}nav a:first-child{display:none}.workspace{grid-template-columns:1fr;gap:28px}.product{padding:0}.product h1{font-size:44px;margin:18px 0}.lead{font-size:15px}.download-link{max-width:none}.steps{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}.steps>div{display:block}.steps>div>span{margin-bottom:8px}.steps strong{font-size:12px}.steps small{font-size:11px;line-height:1.6}.product-note{margin-bottom:0}.activation-card{padding:25px}.help-section{grid-template-columns:1fr;gap:15px;margin-top:35px;padding-top:27px}.site-footer{font-size:11px;margin-top:25px}.brand{font-size:17px}.brand-sub{font-size:10px;letter-spacing:1px}.site-footer span{font-size:10px}}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}