* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f4f6f9;
  padding: 30px;
  color: #222;
}
.container { max-width: 1000px; margin: 0 auto; }
h1 {
  color: #8b0000;
  text-align: center;
  margin-bottom: 28px;
  font-size: 28px;
  font-weight: 700;
}

/* Section Box */
.section-box {
  background: #fff;
  border-radius: 10px;
  padding: 22px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  margin-bottom: 28px;
  transition: all 0.22s ease;
}
.section-box:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.10); }

.section-title {
  font-size: 20px;
  color: #005f83;
  margin-bottom: 14px;
  padding-left: 10px;
  font-weight: 600;
}

/* Tabs */
.tab-container { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.tab {
  background: linear-gradient(135deg,#0095c8,#00bcd4);
  color: white;
  padding: 10px 18px;
  border: none;
  border-radius: 24px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 3px 8px rgba(0,0,0,0.08);
  transition: all 0.2s ease;
}
.tab:hover { transform: translateY(-3px); box-shadow: 0 6px 14px rgba(0,0,0,0.12); }
.tab.active {
  background: linear-gradient(135deg,#dc3545,#f44336);
  transform: scale(1.06);
  box-shadow: 0 0 12px rgba(220,53,69,0.35);
}

/* Content (inside section) */
.content { display: none; margin-top: 10px; }
.content.active { display: block; animation: fadeIn .32s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px);} to { opacity: 1; transform: translateY(0);} }

.content-box {
  border: 2px solid #e83e3e;
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.sub-title {
  font-size: 15px;
  font-weight: 600;
  color: #005f83;
  margin-top: 12px;
  margin-bottom: 6px;
  background: #eef8fb;
  display: inline-block;
  padding: 6px 10px;
  border-radius: 5px;
}

.content-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: #222; }
.note {
  background: #f8f9fa;
  padding: 12px;
  margin-bottom: 12px;
  border-left: 4px solid #0095c8;
  font-style: italic;
  color: #444;
  line-height: 1.5;
}

.command-block {
  background: #fcfcfc;
  padding: 12px;
  border-radius: 6px;
  font-family: "Courier New", monospace;
  font-size: 13px;
  color: #111;
  border: 1px solid #eee;
  margin-bottom: 14px;
}

.config-line { margin: 6px 0; }
.command { font-weight: 700; color: #000; margin-right: 6px; }

/* Responsive */
@media (max-width: 820px) {
  .tab { padding: 8px 12px; font-size: 13px; }
  .section-title { font-size: 18px; }
  body { padding: 14px; }
}