:root{--panel-solid:#0b182a}html{scroll-behavior:smooth;scroll-padding-top:24px}a{color:var(--accent)}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}nav{display:flex;flex-wrap:wrap;gap:18px;align-items:center}nav a{text-decoration:none;color:var(--muted);font-size:14px}nav a:hover{color:var(--accent)}.site-header{border-bottom:1px solid var(--line);margin-bottom:30px}.intro{display:grid;grid-template-columns:1.2fr 1fr;gap:42px;align-items:center;padding:42px 0 64px}.intro h1{font-size:clamp(34px,4.5vw,58px);line-height:1.2}.intro h1 span{color:var(--accent)}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}.primary,.outline{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:700;border:1px solid var(--accent)}.primary{background:var(--accent);color:#04121f}.outline{background:rgba(49,216,255,.06);color:var(--accent)}.workspace{padding:24px;background:rgba(9,21,37,.9);border:1px solid var(--line);border-radius:10px;box-shadow:0 20px 70px rgba(0,0,0,.2)}.workspace-head{display:flex;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}.workspace-head strong{color:var(--text)}.workflow{list-style:none;padding:0;margin:0}.workflow li{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;padding-top:22px}.step{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);color:var(--accent);font-family:Consolas,monospace}.workflow strong{display:block}.workflow p{margin:6px 0 0;font-size:13px;color:var(--muted);line-height:1.7}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.section-heading h2{margin:0;font-size:28px}.section-heading p{margin:8px 0 0;color:var(--muted);line-height:1.7}.section-heading small{color:var(--muted);white-space:nowrap}.content-section{margin-bottom:58px}.purchase-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px}.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.plan{position:relative;display:flex;flex-direction:column;background:rgba(18,29,43,.85);border:1px solid var(--line);border-radius:9px;padding:22px 18px;text-align:left;color:var(--text);width:100%}.plan:hover{border-color:var(--accent)}.plan[aria-pressed=true]{border-color:var(--accent);background:rgba(15,44,67,.9);box-shadow:inset 0 0 0 1px var(--accent)}.tag{display:inline-block;align-self:start;padding:6px 10px;border-radius:20px;background:rgba(49,216,255,.12);color:var(--accent);font-size:12px}.plan h3{font-size:19px;line-height:1.5;margin:20px 0 12px}.price{font-size:42px;font-weight:900;font-family:'Microsoft YaHei',sans-serif;letter-spacing:-1px}.price small{font-size:14px;font-weight:400;letter-spacing:0;color:var(--muted)}.plan p{color:var(--muted);font-size:13px;line-height:1.8;margin:18px 0 0}.select-label{margin-top:auto;padding-top:24px;color:var(--accent);font-size:13px}.checkout{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:9px}.checkout h3{margin:0 0 22px;font-size:22px}.checkout dl{margin:0}.checkout dl div{padding:13px 0;border-bottom:1px solid var(--line)}.checkout dt{font-size:12px;color:var(--muted);margin-bottom:6px}.checkout dd{margin:0;font-size:14px;line-height:1.7}.checkout .total{font-size:30px;color:var(--accent);font-weight:800}.consent{display:flex;gap:8px;font-size:12px;line-height:1.8;margin:18px 0;color:var(--muted)}.consent input{margin-top:5px;accent-color:var(--accent);flex-shrink:0}.checkout .primary{width:100%;font-size:15px}.notice{font-size:12px;line-height:1.8;color:var(--amber);margin-bottom:0}.rules-strip{border-left:2px solid var(--accent);padding:10px 18px;background:rgba(49,216,255,.04);color:var(--muted);font-size:13px;line-height:1.9;margin-top:20px}.rules-strip strong{color:var(--text)}.hero-copy{min-height:auto}.hero-copy h2{font-size:30px}.hero-copy .lead{font-size:15px}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-panel{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.info-panel h3{margin:0 0 12px;font-size:19px}.info-panel p,.info-panel li{font-size:14px;line-height:1.9;color:var(--muted)}.info-panel ol{padding-left:20px}.query-form label{display:block;color:var(--muted);font-size:13px;margin-bottom:10px}.query-row{display:flex;gap:10px}.query-row input{min-width:0;flex:1;background:#07111f;border:1px solid var(--line);border-radius:6px;padding:12px;color:var(--text)}.query-row button{white-space:nowrap}.feedback{color:var(--amber);font-size:13px;line-height:1.8;min-height:24px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:700;line-height:1.6}.faq details p{color:var(--muted);line-height:1.9;font-size:14px;margin-bottom:0}.company{display:grid;grid-template-columns:1fr auto;gap:24px;padding-top:28px;border-top:1px solid var(--line)}.company h2{font-size:19px;margin:0 0 12px}.company p{color:var(--muted);line-height:1.8;font-size:13px}.footer-links{display:flex;flex-wrap:wrap;gap:18px;margin:20px 0}.text-button{color:var(--accent);background:none;border:0;padding:0;font:inherit;text-decoration:underline;text-underline-offset:4px}.legal-dialog{width:min(680px,calc(100% - 32px));max-height:85vh;background:var(--panel-solid);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:28px}.legal-dialog::backdrop{background:rgba(2,9,18,.8);backdrop-filter:blur(6px)}.legal-dialog header{padding-bottom:16px;flex-direction:row;align-items:center}.legal-dialog h2{margin:0}.legal-dialog p,.legal-dialog li{line-height:1.9;color:var(--muted);font-size:14px}.legal-dialog h3{font-size:16px}.legal-dialog .primary{margin-top:16px}.footer-note{font-size:12px;color:var(--muted)}@media(max-width:1080px){.purchase-layout{grid-template-columns:1fr}.checkout{display:block}.checkout dl{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.intro{gap:24px}.plan h3{font-size:20px}}@media(max-width:680px){.site-header{flex-direction:column;align-items:start;gap:20px}nav{gap:16px}.intro{grid-template-columns:1fr;padding:18px 0 42px;gap:28px}.intro h1{font-size:36px}.intro .lead{font-size:15px}.workspace{padding:20px}.plans{grid-template-columns:1fr}.plan{padding:22px}.plan h3{margin:14px 0 8px}.plan p{margin-top:10px}.select-label{padding-top:16px}.price{font-size:38px}.section-heading{align-items:start}.section-heading h2{font-size:25px}.section-heading small{display:none}.checkout dl{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr}.company{grid-template-columns:1fr}.query-row{flex-direction:column}.content-section{margin-bottom:42px}.legal-dialog{padding:22px}.actions>*{flex:1}.checkout .primary{min-height:52px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
dialog.support-backdrop{margin:auto;width:100%;height:100%;max-width:none;max-height:none;border:0;color:var(--text)}dialog.support-backdrop:not([open]){display:none}
#downloads .hero{grid-template-columns:1fr}#downloads .hero-copy{padding:24px}#downloads .download-stack{grid-template-columns:repeat(2,minmax(0,1fr))}.plans{align-self:start}.plan{min-height:350px}@media(max-width:680px){#downloads .download-stack{grid-template-columns:1fr}.plan{min-height:0}}
.tutorial-player {
  padding: clamp(14px, 2vw, 24px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.tutorial-cover,
.tutorial-cover img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  background: #020912;
  object-fit: contain;
}
.tutorial-cover img {
  height: auto;
}
.tutorial-cover:hover {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}
.tutorial-player p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}