.xb-about * { box-sizing: border-box; margin: 0; padding: 0; }
.xb-about { font-family: 'Segoe UI', Arial, sans-serif; color: #1a1a2e; line-height: 1.7; }

/* Hero */
.xb-hero {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b4f72 60%, #2e86c1 100%);
  color: #fff;
  padding: 64px 24px 56px;
  text-align: center;
}
.xb-hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  padding: 5px 18px;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.xb-hero h1 {
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 14px;
}
.xb-hero h1 span { color: #5dade2; }
.xb-hero p { font-size: 17px; opacity: 0.85; max-width: 600px; margin: 0 auto; }

/* Stats bar */
.xb-stats {
  background: #1b4f72;
  padding: 36px 24px;
}
.xb-stats-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}
.xb-stat {
  flex: 1 1 160px;
  text-align: center;
  padding: 16px 12px;
}
.xb-stat-num {
  font-size: 36px;
  font-weight: 800;
  color: #5dade2;
  line-height: 1;
}
.xb-stat-unit { font-size: 18px; color: #aed6f1; }
.xb-stat-label { font-size: 12px; color: #aed6f1; margin-top: 5px; }

/* Sections */
.xb-section { padding: 52px 24px; }
.xb-section-white { background: #fff; }
.xb-section-light { background: #f0f7fc; }
.xb-section-dark { background: #0d1b2a; padding: 40px 24px; }
.xb-inner { max-width: 920px; margin: 0 auto; }
.xb-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #2e86c1;
  margin-bottom: 8px;
}
.xb-section h2 {
  font-size: 26px;
  font-weight: 700;
  color: #0d1b2a;
  margin-bottom: 16px;
}
.xb-section p { color: #444; font-size: 15px; margin-bottom: 14px; }

/* Two-column layout */
.xb-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 640px) { .xb-2col { grid-template-columns: 1fr; } }

/* Timeline */
.xb-timeline { border-left: 3px solid #2e86c1; padding-left: 20px; }
.xb-tl-item { margin-bottom: 24px; position: relative; }
.xb-tl-dot {
  width: 11px; height: 11px;
  background: #2e86c1;
  border-radius: 50%;
  position: absolute;
  left: -27px; top: 5px;
}
.xb-tl-year { font-size: 12px; font-weight: 700; color: #2e86c1; }
.xb-tl-text { font-size: 14px; color: #444; margin-top: 3px; }

/* Brand chips */
.xb-brand-group { margin-bottom: 20px; }
.xb-brand-group-label {
  font-size: 13px;
  font-weight: 700;
  color: #1b4f72;
  margin-bottom: 10px;
}
.xb-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.xb-chip {
  background: #eaf4fb;
  color: #1b4f72;
  border: 1px solid #aed6f1;
  border-radius: 7px;
  padding: 7px 15px;
  font-size: 13px;
  font-weight: 600;
}

/* Advantage cards */
.xb-adv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.xb-adv-card {
  background: #fff;
  border: 1px solid #dce9f5;
  border-radius: 10px;
  padding: 24px 20px;
  box-shadow: 0 2px 10px rgba(46,134,193,0.06);
}
.xb-adv-icon { font-size: 28px; margin-bottom: 10px; }
.xb-adv-card h3 { font-size: 15px; font-weight: 700; color: #0d1b2a; margin-bottom: 6px; }
.xb-adv-card p { font-size: 13px; color: #666; margin: 0; }

/* Service list */
.xb-service-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}
@media (max-width: 480px) { .xb-service-list { grid-template-columns: 1fr; } }
.xb-service-list li {
  padding: 12px 16px;
  background: #f0f7fc;
  border-left: 4px solid #2e86c1;
  border-radius: 0 7px 7px 0;
  font-size: 14px;
  color: #1b4f72;
  font-weight: 500;
}

/* Market tags */
.xb-market-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.xb-market-tag {
  background: #0d1b2a;
  color: #aed6f1;
  padding: 6px 14px;
  border-radius: 18px;
  font-size: 13px;
}

/* CTA */
.xb-cta {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b4f72 100%);
  color: #fff;
  text-align: center;
  padding: 60px 24px;
}
.xb-cta h2 { color: #fff; font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.xb-cta p { color: #aed6f1; font-size: 16px; max-width: 480px; margin: 0 auto 24px; }
.xb-btn {
  display: inline-block;
  background: #2e86c1;
  color: #fff;
  padding: 13px 32px;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  margin: 4px 6px;
  transition: background 0.2s;
}
.xb-btn:hover { background: #1a6fa8; }
.xb-btn-ghost {
  display: inline-block;
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  padding: 11px 28px;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  margin: 4px 6px;
}
.xb-divider { border: none; border-top: 1px solid #e5eef6; margin: 0; }