:root {
      --navy: #0b1b3a;
      --blue: #123f98;
      --line: #b9c7dc;
      --soft: #f7f9fc;
      --text: #111827;
      --muted: #475569;
      --green: #16723f;
      --orange: #e46d12;
      --purple: #5c2aa8;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: white;
    }

    .page {
      max-width: 1600px;
      margin: 0 auto;
      padding: 24px;
    }

    header {
      text-align: center;
      margin-bottom: 22px;
    }

    h1 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 4.2rem);
      letter-spacing: .04em;
      color: var(--navy);
    }

    .tagline {
      margin: 6px 0 2px;
      font-size: clamp(1rem, 1.7vw, 1.8rem);
      font-weight: 700;
      color: #46536f;
      letter-spacing: .04em;
    }

    .subtitle {
      margin: 0;
      color: #34425f;
      font-size: clamp(.95rem, 1.2vw, 1.25rem);
    }

    .layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 285px;
      gap: 22px;
    }

    .main {
      min-width: 0;
    }

    .flow {
      display: grid;
      grid-template-columns: repeat(6, minmax(120px, 1fr));
      gap: 12px;
      align-items: stretch;
      margin-bottom: 18px;
    }

    .flow-card, .card, .host, .sidebar-box, .bottom-box {
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
    }

    .flow-card {
      padding: 14px;
      min-height: 135px;
      position: relative;
    }

    .flow-card:not(:last-child)::after {
      content: "→";
      position: absolute;
      right: -13px;
      top: 50%;
      transform: translateY(-50%);
      color: #111;
      font-size: 22px;
      z-index: 2;
    }

    .flow-card h3, .card h3, .host h3 {
      margin: 0 0 10px;
      font-size: 1rem;
      color: var(--navy);
    }

    .icon {
      width: 28px;
      height: 28px;
      object-fit: contain;
      display: inline-block;
      vertical-align: middle;
      margin-right: 8px;
      flex: 0 0 auto;
    }

    .icon-lg {
      width: 46px;
      height: 46px;
      margin: 0 0 10px;
    }

    .item.with-icon,
    .sidebar-item.with-icon,
    .host-title {
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .item.with-icon .icon,
    .sidebar-item.with-icon .icon,
    .host-title .icon {
      margin-top: 1px;
    }

    .item-copy { min-width: 0; }

    .flow-card p, .card p, .host p, li {
      font-size: .9rem;
      line-height: 1.4;
    }

    .section-shell {
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 16px;
      margin-bottom: 18px;
    }

    .section-title {
      text-align: center;
      color: var(--blue);
      font-weight: 700;
      margin: -27px auto 12px;
      background: white;
      width: fit-content;
      padding: 0 12px;
      font-size: 1.05rem;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(150px, 1fr));
      gap: 16px;
    }

    .card {
      padding: 18px;
      min-height: 300px;
    }

    .card.security { border-color: #bba6de; }
    .card.security h3 { color: var(--purple); }

    .card.platform { border-color: #9fd1b1; }
    .card.platform h3 { color: var(--green); }

    .card.apps { border-color: #9dbcea; }
    .card.apps h3 { color: var(--blue); }

    .card.data { border-color: #f0b17f; }
    .card.data h3 { color: var(--orange); }

    .card.backup { border-color: #9dbcea; }
    .card.backup h3 { color: var(--blue); }

    .item {
      margin: 0 0 14px;
    }

    .item strong { display: block; }
    .item small {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      line-height: 1.35;
    }

    .automation {
      margin-top: 18px;
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 16px;
    }

    .automation-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .automation h4 {
      margin: 0 0 5px;
      color: var(--navy);
    }

    .hosts-shell {
      margin-top: 18px;
    }

    .hosts-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(150px, 1fr));
      gap: 10px;
    }

    .host {
      padding: 14px;
    }

    .host .ip {
      color: var(--blue);
      font-weight: 700;
      margin-bottom: 10px;
    }

    .host ul,
    .sidebar-box ul {
      margin: 0;
      padding-left: 18px;
    }

    .host-footer {
      margin-top: 14px;
      padding-top: 10px;
      border-top: 1px dotted var(--line);
      color: var(--muted);
      font-size: .8rem;
    }

    aside {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .sidebar-box {
      overflow: hidden;
    }

    .sidebar-box h2 {
      margin: 0;
      background: linear-gradient(90deg, #072856, #0b1b3a);
      color: white;
      font-size: 1rem;
      text-align: center;
      padding: 10px;
    }

    .sidebar-content {
      padding: 14px;
    }

    .sidebar-item {
      margin-bottom: 14px;
    }

    .sidebar-item:last-child { margin-bottom: 0; }

    .sidebar-item strong {
      display: block;
      margin-bottom: 3px;
    }

    .bottom {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 12px;
      margin-top: 14px;
    }

    .bottom-box {
      padding: 12px 16px;
    }

    .bottom-box h3 {
      margin: 0 0 8px;
      font-size: .85rem;
      color: var(--blue);
    }

    .values, .legend {
      display: flex;
      flex-wrap: wrap;
      gap: 14px 24px;
      font-size: .8rem;
    }

    .values span strong,
    .legend span strong {
      display: block;
    }

    @media (max-width: 1400px) {
      .layout { grid-template-columns: 1fr; }
      aside { display: grid; grid-template-columns: repeat(3, 1fr); }
      .flow { grid-template-columns: repeat(3, 1fr); }
      .service-grid, .hosts-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 760px) {
      .page { padding: 14px; }
      .flow,
      .service-grid,
      .hosts-grid,
      .automation-grid,
      aside,
      .bottom {
        grid-template-columns: 1fr;
      }
      .flow-card::after { display: none; }
    }