.lan-page {
  padding: 40px 0 56px;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
}

.lan-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 28px 20px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  line-height: 1.8;
}

.lan-trail {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.lan-card h1 {
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 16px;
}

.lan-card h2 {
  font-size: 1.5rem;
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--border-color);
}

.lan-card h3 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
}

.lan-card p {
  margin: 0 0 12px;
}

.lan-card ul,
.lan-card ol {
  margin: 0 0 14px 24px;
}

.lan-card li {
  margin-bottom: 6px;
}

.lan-lead {
  font-size: 1.05rem;
}

.lan-version,
.lan-small {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.lan-entrances {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 8px;
}

.lan-entrances a {
  flex: 1 1 200px;
  padding: 12px 16px;
  border: 1px solid #afecb1;
  background: #d9f9d0;
  border-radius: 10px;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  text-decoration: none;
}

.lan-entrances a:hover {
  background: #c4f2b8;
}

.lan-downloads {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 8px 0 12px;
}

.lan-download .btn {
  width: 100%;
  max-width: 420px;
}

.lan-windows-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 10px;
  padding: 12px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  color: #92400e;
  font-size: 0.92rem;
}

.lan-windows-note img {
  width: 220px;
  height: auto;
  flex-shrink: 0;
  border: 1px solid #e5e7eb;
}

.lan-windows-note p {
  margin: 0;
}

.lan-note {
  padding: 10px 12px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  color: #92400e;
  font-size: 0.95rem;
}

.lan-card .table-wrap {
  overflow-x: auto;
  margin-bottom: 12px;
}

.lan-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.92rem;
}

.lan-table th,
.lan-table td {
  border: 1px solid #cbd5e1;
  padding: 6px 10px;
  text-align: left;
  vertical-align: top;
}

.lan-table th {
  background: #f1f5f9;
  white-space: nowrap;
}

.lan-card pre {
  margin: 8px 0 14px;
  overflow-x: auto;
}

.lan-diagram {
  margin: 12px 0 6px;
}

.lan-diagram svg {
  display: block;
  width: 100%;
  height: auto;
}

.lan-diagram-h {
  max-width: 760px;
}

.lan-diagram-v {
  display: none !important;
  max-width: 340px;
  margin: 0 auto;
}

.lan-diagram .d-pc {
  fill: #f8fafc;
  stroke: #cbd5e1;
  stroke-width: 2;
}

.lan-diagram .d-server {
  fill: #d9f9d0;
  stroke: #afecb1;
}

.lan-diagram .d-node {
  fill: #ffffff;
  stroke: #94a3b8;
}

.lan-diagram .d-plugin {
  stroke: var(--accent-orange);
  stroke-width: 2;
}

.lan-diagram .d-title {
  font-size: 13px;
  font-weight: 700;
  fill: var(--text-muted);
}

.lan-diagram .d-label {
  font-size: 15px;
  font-weight: 700;
  fill: var(--text-main);
  text-anchor: middle;
  dominant-baseline: central;
}

.lan-diagram .d-port {
  font-size: 12px;
  fill: var(--text-muted);
}

.lan-diagram .d-arrow {
  stroke: #475569;
  stroke-width: 2.5;
}

.lan-diagram .d-head {
  fill: #475569;
}

.lan-back {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .lan-card {
    padding: 20px 16px 12px;
  }

  .lan-card h1 {
    font-size: 1.5rem;
  }

  .lan-windows-note {
    flex-direction: column;
  }

  .lan-windows-note img {
    width: 100%;
    max-width: 300px;
  }

  .lan-diagram-h {
    display: none !important;
  }

  .lan-diagram-v {
    display: block !important;
  }
}