:root{--bg:#f7f2ea;--card:#fffaf3;--ink:#132c43;--muted:#6b7280;--green:#2f8a62;--gold:#c79a4b;--red:#c84646;--line:#132c431f}*{box-sizing:border-box}body{background:radial-gradient(circle at top left, #fff7e8, var(--bg) 38%, #efe8dd);color:var(--ink);-webkit-text-size-adjust:100%;margin:0;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.shell{max-width:1120px;margin:0 auto;padding:32px 20px 56px}.nav{justify-content:space-between;align-items:center;margin-bottom:42px;display:flex}.brand{letter-spacing:.04em;font-size:20px;font-weight:800}.nav-links{color:var(--muted);gap:16px;font-size:14px;display:flex}.hero{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:center;gap:24px;display:grid}.home-hero{grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);align-items:center;gap:32px;display:grid}.home-copy p{max-width:620px}.dimension-pills{flex-wrap:wrap;gap:10px;margin:24px 0 4px;display:flex}.dimension-pills 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12px;width:12px;height:12px}.status-generating .progress-dot{background:var(--gold);animation:1.1s ease-in-out infinite pulse}.status-completed .progress-dot{background:var(--green)}.status-failed .progress-dot{background:var(--red)}@keyframes pulse{0%,to{opacity:.55;transform:scale(.9)}50%{opacity:1;transform:scale(1.25)}}.mobile-sticky-actions{flex-wrap:wrap;gap:12px;margin-top:22px;display:flex}@media (max-width:760px){body{background:var(--bg)}.shell{max-width:430px;padding:18px 14px calc(96px + env(safe-area-inset-bottom))}.hero{grid-template-columns:1fr;gap:18px}.nav{flex-direction:row;align-items:center;gap:12px;margin-bottom:24px}.brand{font-size:16px}.nav-links{flex-shrink:0;font-size:13px}.panel,.card,.result-card{border-radius:22px;padding:20px}h1{letter-spacing:-.055em;font-size:clamp(34px,10.5vw,44px);line-height:1.04}h2{font-size:clamp(28px,8vw,34px);line-height:1.12}p{font-size:15px;line-height:1.65}.actions,.row,.mobile-sticky-actions{width:100%}.button,button{width:100%;min-height:52px}.button:disabled,button:disabled{cursor:not-allowed;opacity:.55}.mini-report{grid-template-columns:1fr}.mini-tile{min-height:auto;padding:18px}.grid,.result-grid,.progress-grid{grid-template-columns:1fr;gap:16px}.result-card{padding:16px}.result-card h3{font-size:20px}.result-image{border-radius:14px}.share-card{border-radius:20px;width:100%;min-height:86px}.mobile-sticky-actions{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid 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