:root{--font-sans: "IBM Plex Sans", "PingFang SC", "Noto Sans SC", sans-serif;--bg: #efe9dc;--ink: #17211f;--muted: #5f6e69;--line: rgba(23, 33, 31, .12);--card: rgba(255, 251, 244, .94);--card-strong: #fffdf9;--accent: #116466;--accent-soft: rgba(17, 100, 102, .08);--warm: #c87931;--danger: #b34d35;--shadow: 0 24px 52px rgba(61, 44, 17, .12)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;font-family:var(--font-sans);color:var(--ink);background:radial-gradient(circle at top left,rgba(17,100,102,.18),transparent 34%),radial-gradient(circle at top right,rgba(200,121,49,.18),transparent 28%),linear-gradient(180deg,#f7f3ea 0%,var(--bg) 100%)}button,input,select{font:inherit}code,pre{font-family:IBM Plex Mono,SFMono-Regular,monospace}.demo-shell{width:min(1240px,calc(100vw - 32px));margin:0 auto;padding:32px 0 48px}.hero-card,.config-card,.action-card,.log-card{border:1px solid var(--line);border-radius:24px;background:var(--card);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-card{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.8fr);gap:24px;padding:30px;margin-bottom:24px}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.hero-copy h1{margin:0;font-size:clamp(34px,4vw,56px);line-height:.98;letter-spacing:-.04em}.hero-text{max-width:58ch;margin:18px 0 0;color:var(--muted);font-size:16px;line-height:1.7}.hero-text code{padding:2px 6px;border-radius:999px;background:#17211f0f}.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.fact-pill,.pill{display:inline-flex;align-items:center;padding:7px 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minmax(0,.95fr);gap:24px;margin-bottom:24px}.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.config-card,.action-card,.log-card{padding:24px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.head-actions{display:flex;align-items:center;gap:8px}.card-head h2{margin:0;font-size:20px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:8px}.field span{font-size:14px;color:var(--muted)}.field input,.field select{width:100%;min-height:48px;padding:0 14px;border:1px solid rgba(23,33,31,.15);border-radius:14px;background:#ffffffe6;color:var(--ink)}.field input:focus,.field select:focus{outline:none;border-color:#11646673;box-shadow:0 0 0 4px #1164661f}.field--checkbox{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 14px;border-radius:14px;border:1px solid rgba(23,33,31,.12);background:#ffffffb8}.field--checkbox input{width:auto;min-height:auto;padding:0}.field-hint{margin:16px 0 0;color:var(--muted);font-size:13px;line-height:1.7}.widget-card{min-height:220px;margin-bottom:18px;padding:18px;border-radius:20px;background:linear-gradient(135deg,rgba(17,100,102,.12),transparent 54%),#ffffffc2;border:1px dashed rgba(17,100,102,.22)}.pill-row{display:flex;flex-wrap:wrap;gap:8px}.action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.primary-btn,.secondary-btn,.ghost-btn{min-height:48px;padding:0 16px;border-radius:14px;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background .12s ease}.primary-btn:hover,.secondary-btn:hover,.ghost-btn:hover{transform:translateY(-1px)}.primary-btn{background:linear-gradient(135deg,#116466,#2c7873);color:#f7f3e9;box-shadow:0 10px 24px 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rgba(23,33,31,.14);color:var(--muted);background:#ffffff6b}@media(max-width:1080px){.hero-card,.demo-grid,.detail-grid{grid-template-columns:1fr}}@media(max-width:720px){.demo-shell{width:min(100vw - 20px,100%);padding:20px 0 32px}.hero-card,.config-card,.action-card,.log-card{padding:18px;border-radius:20px}.field-grid,.action-grid{grid-template-columns:1fr}}