:root {
  --bg: #f4f7fd;
  --bg-soft: #ffffff;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(88, 114, 170, 0.16);
  --text: #10203d;
  --muted: #5d6f92;
  --accent: #ff7e7b;
  --accent-2: #6c8dff;
  --shadow: 0 24px 60px rgba(36, 56, 104, 0.12);
  --max-width: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 12%, rgba(255, 126, 123, 0.16), transparent 22%),
    radial-gradient(circle at 88% 18%, rgba(108, 141, 255, 0.16), transparent 20%),
    linear-gradient(180deg, #fbfdff 0%, #f3f7fd 42%, #eef4fb 100%);
}
a, button { color: inherit; text-decoration: none; font: inherit; }
img { max-width: 100%; }
.support-shell { width: min(var(--max-width), calc(100% - 32px)); margin: 0 auto; }
.support-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: 16px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,0.74);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.brand-lockup, .top-actions, .hero-actions, .meta-grid, .info-list li, .footer-meta, .footer-links { display: flex; align-items: center; }
.brand-lockup { gap: 14px; }
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 18px 30px rgba(108, 141, 255, 0.2);
}
.brand-lockup strong { display:block; font-size:1rem; }
.brand-lockup small { display:block; margin-top:4px; color:var(--muted); }
.top-actions { gap: 12px; }
.ghost-link, .primary-link, .back-link, .nav-link {
  display:inline-flex; align-items:center; justify-content:center; border-radius:16px; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.ghost-link, .back-link {
  padding: 12px 16px;
  border: 1px solid rgba(92,112,167,.18);
  background: rgba(255,255,255,.8);
  color: #27406f;
}
.primary-link {
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 18px 30px rgba(108,141,255,.22);
}
.ghost-link:hover, .primary-link:hover, .back-link:hover, .nav-link:hover { transform: translateY(-2px); }
.support-hero { padding: 48px 0 26px; }
.eyebrow {
  display:inline-flex; padding:8px 12px; border-radius:999px; background:rgba(255,255,255,.8); border:1px solid rgba(108,141,255,.18); color:#5167a2; font-size:.78rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase;
}
.support-hero h1 { margin: 16px 0 12px; font-size: clamp(2.8rem, 5vw, 4.5rem); line-height: 1.02; letter-spacing: -.05em; }
.support-hero p { max-width: 780px; color: var(--muted); line-height: 1.9; }
.hero-actions { gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.support-layout { display:grid; grid-template-columns: 300px minmax(0, 1fr); gap: 24px; padding: 20px 0 52px; }
.sidebar-card, .content-card, .meta-item, .contact-card, .detail-card, .footer-shell {
  border:1px solid var(--line); border-radius:28px; background: var(--panel); box-shadow: var(--shadow);
}
.sidebar-card { padding: 24px; position: sticky; top: 96px; }
.back-link { width: 100%; justify-content: flex-start; }
.sidebar-title { margin: 22px 0 12px; font-size: .82rem; color:#61729a; text-transform:uppercase; letter-spacing:.08em; }
.sidebar-nav { display:grid; gap: 10px; }
.nav-link {
  justify-content:flex-start; padding: 13px 16px; border:1px solid rgba(92,112,167,.12); background: rgba(255,255,255,.78); color:#344a76; font-weight:700;
}
.nav-link.is-active { background: linear-gradient(135deg, rgba(255,126,123,.14), rgba(108,141,255,.16)); color:#203765; box-shadow: 0 14px 28px rgba(108,141,255,.12); }
.sidebar-copy { margin-top: 18px; color: var(--muted); line-height: 1.8; }
.contact-card { margin-top: 18px; padding: 18px; background: var(--panel-strong); }
.contact-card h3, .section-card h2 { margin: 0 0 12px; }
.contact-card p, .section-card p, .detail-card p, .footer-copy, .footer-note { color: var(--muted); line-height: 1.8; }
.support-content { display:grid; gap: 18px; }
.content-card { padding: 28px; }
.meta-grid { gap: 16px; flex-wrap: wrap; }
.meta-item { min-width: 180px; padding: 18px 20px; flex-direction: column; align-items:flex-start; }
.meta-item span { color:#61729a; font-size:.82rem; font-weight:800; text-transform:uppercase; letter-spacing:.06em; }
.meta-item strong { margin-top: 8px; font-size: 1.04rem; color:#203765; }
.section-card { margin-top: 18px; }
.section-card h2 { font-size: 1.5rem; }
.info-list { display:grid; gap: 14px; padding:0; margin:18px 0 0; list-style:none; }
.info-list li { gap: 12px; align-items:flex-start; }
.info-dot { width: 10px; height: 10px; margin-top: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); flex: 0 0 auto; }
.detail-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 18px; }
.detail-card { padding: 20px; background: var(--panel-strong); }
.detail-card h3 { margin: 0 0 10px; font-size: 1.02rem; }
.return-row { display:flex; gap: 12px; flex-wrap:wrap; margin-top: 22px; }
.page-footer { padding: 12px 0 54px; }
.footer-shell { padding: 28px; }
.footer-meta { justify-content: space-between; gap: 24px; }
.footer-company h4, .footer-payments h4 { margin: 0 0 10px; font-size: .86rem; color:#61729a; text-transform:uppercase; letter-spacing:.08em; }
.footer-links { gap: 16px; flex-wrap: wrap; margin-top: 18px; }
.payment-grid { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.payment-grid span { display:flex; align-items:center; justify-content:center; padding: 12px 14px; border:1px solid rgba(92,112,167,.14); border-radius: 16px; background: rgba(255,255,255,.88); }
.payment-grid img { display:block; width:100%; max-width:112px; height:24px; object-fit:contain; }
.footer-note { margin-top: 14px; }
.footer-links a { color:#4f6289; }
.footer-links a:hover { color:#203765; }
@media (max-width: 980px) {
  .support-layout, .detail-grid, .footer-meta { grid-template-columns: 1fr; display:grid; }
  .sidebar-card { position: static; }
}
@media (max-width: 720px) {
  .support-shell { width: min(var(--max-width), calc(100% - 20px)); }
  .support-topbar, .top-actions { flex-direction: column; align-items: flex-start; }
  .ghost-link, .primary-link, .nav-link, .back-link { width: 100%; }
  .payment-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}