*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --green:        #3BB54A;
      --green-light:  #EBF7ED;
      --green-dark:   #267A31;
      --text:         #1a1a1a;
      --muted:        #5a6472;
      --surface:      #f7faf8;
      --border:       #dde6e0;
      --white:        #ffffff;
    }

    html { font-size: 144%; scroll-behavior: smooth; }
    body {
      font-family: 'Inter', sans-serif;
      color: var(--text);
      background: var(--white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    /* Nav */
    .nav {
      position: sticky;
      top: 0;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      z-index: 100;
      padding: 0 2rem;
    }
    .nav-inner {
      max-width: 760px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 56px;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .nav-logo {
      width: 28px; height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .nav-logo svg { width: 28px; height: 28px; }
    .nav-wordmark {
      font-size: 24px;
      font-weight: 600;
      color: var(--text);
      letter-spacing: -0.01em;
    }
    .nav-wordmark span { color: var(--green); }
    .nav-back {
      font-size: 13px;
      color: var(--muted);
      text-decoration: none;
    }
    .nav-back:hover { color: var(--green-dark); }

    /* Content */
    .page {
      max-width: 720px;
      margin: 0 auto;
      padding: 3rem 1.5rem 5rem;
    }

    .page-header {
      margin-bottom: 2.5rem;
      padding-bottom: 1.5rem;
      border-bottom: 1px solid var(--border);
    }
    .page-header h1 {
      font-size: 1.8rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 0.4rem;
    }
    .page-header .updated {
      color: var(--muted);
      font-size: 0.85rem;
    }

    .intro {
      background: var(--green-light);
      border-left: 3px solid var(--green);
      padding: 1rem 1.2rem;
      border-radius: 0 6px 6px 0;
      margin-bottom: 2.5rem;
      font-size: 0.95rem;
      color: var(--green-dark);
    }

    h2 {
      font-size: 1.1rem;
      font-weight: 700;
      margin: 2rem 0 0.6rem;
      letter-spacing: -0.01em;
    }
    p {
      margin-bottom: 0.8rem;
      color: var(--text);
    }
    ul {
      margin: 0.3rem 0 0.8rem 1.2rem;
    }
    li {
      margin-bottom: 0.3rem;
    }

    .section + .section {
      margin-top: 0.5rem;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      margin: 0.8rem 0;
      font-size: 0.9rem;
    }
    th {
      text-align: left;
      padding: 0.5rem 0.8rem;
      background: var(--surface);
      border: 1px solid var(--border);
      font-weight: 600;
      color: var(--muted);
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    td {
      padding: 0.5rem 0.8rem;
      border: 1px solid var(--border);
      vertical-align: top;
    }

    .contact-box {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 1.2rem 1.4rem;
      margin-top: 2rem;
    }
    .contact-box p { margin-bottom: 0.3rem; }
    .contact-box a { color: var(--green-dark); }

    /* Footer */
    .footer {
      text-align: center;
      padding: 2rem 1.5rem;
      border-top: 1px solid var(--border);
      color: var(--muted);
      font-size: 0.8rem;
    }
    .footer a { color: var(--muted); }