:root{--ink:#172019;--muted:#52645a;--line:#1a2e221f;--green:#1a9e5c;--bg:#f1f2f2;--panel:#fff}*{box-sizing:border-box}html,body{min-width:320px;min-height:100%;color:var(--ink);background:var(--bg);margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.shell{grid-template-rows:52px 1fr;min-height:100svh;display:grid}.topbar{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:240px 1fr;align-items:center;gap:24px;padding:0 28px;display:grid}.brand{font-size:15px;font-weight:800}.topbar nav{color:var(--muted);justify-content:flex-end;align-items:center;gap:28px;font-size:13px;display:flex}.topbar a:hover{color:var(--ink)}.workspace{grid-template-columns:minmax(0,1fr) 360px;align-items:center;gap:32px;width:min(1180px,100vw - 48px);margin:0 auto;display:grid}.workspace-copy{gap:20px;display:grid}.eyebrow{color:var(--green);letter-spacing:.14em;text-transform:uppercase;margin:0;font-size:12px;font-weight:800}h1{letter-spacing:0;max-width:760px;margin:0;font-size:clamp(46px,5.4vw,88px);line-height:.96}.workspace-copy p:not(.eyebrow){max-width:680px;color:var(--muted);margin:0;font-size:16px;line-height:1.75}.actions{flex-wrap:wrap;gap:12px;display:flex}.primary-action,.secondary-action{border-radius:999px;justify-content:center;align-items:center;min-height:42px;padding:0 18px;font-size:14px;font-weight:760;display:inline-flex}.primary-action{background:var(--green);color:#fff}.secondary-action{border:1px solid var(--line);color:var(--ink);background:#fff}.status-panel{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:22px;box-shadow:0 18px 54px #1a2e2214}.status-panel h2{margin:0 0 16px;font-size:18px}.status-panel ul{gap:12px;margin:0;padding:0;list-style:none;display:grid}.status-panel li{color:var(--muted);border-left:3px solid #1a9e5c52;padding-left:14px;font-size:14px;line-height:1.55}.preview-page{background:#f1f2f2;min-height:100svh}.preview-frame{background:#fff;border:0;width:100vw;height:100svh;display:block}@media (max-width:860px){.topbar{grid-template-columns:1fr;height:auto;min-height:52px;padding:12px 18px}.topbar nav{justify-content:flex-start}.workspace{grid-template-columns:1fr;align-content:center;padding:54px 0}}