:root{
    --ink:#0F0F0F;--muted:#6B7280;--muted-l:#9CA3AF;--paper:#FAFAF8;--paper-2:#F3F2EE;
    --line:#E5E4DF;--line-2:#F0EFE9;--blue:#0070FF;--gold:#FFB800;--shadow:0 2px 12px rgba(0,0,0,.07);
    --serif:'Georgia',serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--paper);color:var(--ink);line-height:1.75;font-size:15px}
  a{color:var(--blue);text-decoration:none}
  a:hover{text-decoration:underline}

  /* NAV */
  nav{position:sticky;top:0;z-index:90;background:rgba(250,250,248,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .nav-in{display:flex;align-items:center;justify-content:space-between;max-width:860px;margin:0 auto;padding:0 24px;height:64px}
  .brand{font-weight:800;font-size:20px;display:flex;align-items:baseline;gap:1px;text-decoration:none;color:inherit}
  .brand .w{color:var(--blue)}
  .brand .n{font-family:var(--serif);color:var(--gold);font-weight:900}
  .nav-back{font-size:13px;color:var(--muted);text-decoration:none;display:flex;align-items:center;gap:6px}
  .nav-back:hover{color:var(--ink)}
  .nav-back::before{content:'←'}

  /* HERO */
  .hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding:56px 24px 48px}
  .hero-in{max-width:860px;margin:0 auto}
  .hero-in .eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
  .hero-in h1{font-family:var(--serif);font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.2;color:var(--ink);margin-bottom:16px}
  .hero-meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:20px;margin-top:18px}
  .hero-meta span{display:flex;align-items:center;gap:6px}
  .hero-meta span::before{content:'·';color:var(--muted-l)}
  .hero-meta span:first-child::before{display:none}

  /* BODY */
  .doc{max-width:860px;margin:0 auto;padding:56px 24px 80px}

  /* TOC */
  .toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 28px;margin-bottom:48px}
  .toc h4{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
  .toc ol{padding-left:18px;color:var(--blue)}
  .toc ol li{margin-bottom:6px;font-size:13.5px}
  .toc a{color:var(--blue)}

  /* SECTIONS */
  .clause{margin-bottom:44px}
  .clause h2{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line-2);display:flex;align-items:center;gap:10px}
  .clause h2 .num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700;flex-shrink:0}
  .clause p{margin-bottom:12px;color:var(--ink)}
  .clause ul,.clause ol{padding-left:22px;margin-bottom:12px}
  .clause li{margin-bottom:6px}

  /* HIGHLIGHT BOX */
  .notice{background:#FFF7E6;border:1.5px solid var(--gold);border-radius:10px;padding:16px 20px;margin-bottom:14px;font-size:13.5px}
  .notice strong{display:block;margin-bottom:4px}

  /* DEFINITION TABLE */
  .def-table{width:100%;border-collapse:collapse;margin-bottom:14px;font-size:13.5px}
  .def-table td{padding:10px 14px;border-bottom:1px solid var(--line-2);vertical-align:top}
  .def-table td:first-child{font-weight:700;width:30%;white-space:nowrap;color:var(--ink)}
  .def-table td:last-child{color:var(--muted)}
  .def-table tr:last-child td{border-bottom:none}

  /* FOOTER */
  footer{background:var(--ink);color:rgba(255,255,255,.55);text-align:center;padding:28px 24px;font-size:12.5px}
  footer a{color:rgba(255,255,255,.7)}

  @media(max-width:600px){
    .hero-in h1{font-size:26px}
    .doc{padding:36px 16px 60px}
    .toc{padding:18px 20px}
  }