.gc-fc-page {
  --blue: #0052cc;
  --navy: #0f2747;
  --accent: #00a3c4;
  --ink: #1c2733;
  --muted: #5b6b7b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --soft: #f4f7fb;
  --amber: #fff7e6;
  --amber-line: #f0c36d;
  --accent-soft: #e6f7fb;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 64px;
  font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
.gc-fc-page * { box-sizing: border-box; }
.gc-fc-page h2 {
  font-size: 30px;
  line-height: 1.25;
  color: var(--navy);
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.gc-fc-page h3 { font-size: 17px; color: var(--navy); margin: 0 0 6px; font-weight: 600; }
.gc-fc-page p { margin: 0 0 12px; }

/* Hero */
.gc-fc-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 40px;
}
.gc-fc-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.gc-fc-lede { font-size: 17px; color: var(--muted); max-width: 560px; }
.gc-fc-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
.gc-fc-chips span {
  background: var(--soft);
  border: 1px solid var(--line);
  color: var(--navy);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
}
.gc-fc-glance {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}
.gc-fc-glance div {
  background: var(--soft);
  border-left: 3px solid var(--blue);
  padding: 10px 14px;
  border-radius: 6px;
}
.gc-fc-glance b { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.gc-fc-glance span { font-size: 13px; color: var(--navy); font-weight: 600; }
.gc-fc-hero-media img { width: 100%; height: auto; border-radius: 14px; box-shadow: 0 18px 40px rgba(15,39,71,0.14); display: block; }

/* CTA */
.gc-fc-cta {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 13px 24px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(0,82,204,0.28);
  transition: background .15s ease, transform .15s ease;
}
.gc-fc-cta:hover { background: #0040a0; transform: translateY(-1px); }
.gc-fc-cta-light { background: #fff; color: var(--blue); box-shadow: 0 6px 16px rgba(0,0,0,0.18); }
.gc-fc-cta-light:hover { background: #eef3fb; }
.gc-fc-page a.gcq-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #1a6bff 0%, var(--blue) 55%, #0046b0 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: none;
  border-radius: 10px;
  padding: 14px 26px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(0,82,204,0.30);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.gc-fc-page a.gcq-btn::after {
  content: "\2192";
  font-size: 18px;
  line-height: 1;
  transition: transform .18s ease;
}
.gc-fc-page a.gcq-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(0,82,204,0.40);
  filter: saturate(1.08);
}
.gc-fc-page a.gcq-btn:hover::after { transform: translateX(4px); }
.gc-fc-page a.gcq-btn:focus-visible { outline: 3px solid rgba(0,163,196,0.65); outline-offset: 3px; }

/* TOC */
.gc-fc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 36px;
  position: sticky;
  top: 12px;
  z-index: 5;
}
.gc-fc-toc a {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  padding: 5px 11px;
  border-radius: 6px;
}
.gc-fc-toc a:hover { background: #fff; color: var(--blue); }

/* Blocks */
.gc-fc-block { padding: 30px 0; border-top: 1px solid var(--line); }
.gc-fc-intro { color: var(--muted); max-width: 760px; margin-bottom: 20px; }
.gc-fc-direct {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 0 0 22px;
}
.gc-fc-direct p { margin: 0; color: var(--navy); font-weight: 500; }

/* Cards */
.gc-fc-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gc-fc-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  transition: box-shadow .15s ease, transform .15s ease;
}
.gc-fc-card:hover { box-shadow: 0 12px 28px rgba(15,39,71,0.10); transform: translateY(-2px); }
.gc-fc-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* Table */
.gc-fc-table { width: 100%; border-collapse: collapse; margin: 6px 0 8px; font-size: 14px; }
.gc-fc-table th, .gc-fc-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.gc-fc-table thead th { background: var(--navy); color: #fff; font-weight: 600; font-size: 13px; letter-spacing: 0.02em; }
.gc-fc-table thead th:first-child { border-top-left-radius: 8px; }
.gc-fc-table thead th:last-child { border-top-right-radius: 8px; }
.gc-fc-table tbody tr:nth-child(even) { background: var(--soft); }
.gc-fc-table tbody tr:hover { background: var(--accent-soft); }

/* Notes */
.gc-fc-note, .gc-fc-tip {
  border-radius: 10px;
  padding: 16px 20px;
  margin: 18px 0 4px;
}
.gc-fc-note { background: var(--amber); border: 1px solid var(--amber-line); }
.gc-fc-tip { background: var(--accent-soft); border: 1px solid #b9e6ef; }
.gc-fc-note h4, .gc-fc-tip h4 { margin: 0 0 8px; font-size: 14px; color: var(--navy); text-transform: uppercase; letter-spacing: 0.04em; }
.gc-fc-note p, .gc-fc-tip p { margin: 0; font-size: 14px; color: var(--ink); }

/* Grid2 + lists */
.gc-fc-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.gc-fc-list { margin: 0; padding-left: 0; list-style: none; }
.gc-fc-list li { position: relative; padding: 8px 0 8px 22px; border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--ink); }
.gc-fc-list li:last-child { border-bottom: none; }
.gc-fc-list li::before { content: ""; position: absolute; left: 4px; top: 15px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.gc-fc-list-wide { columns: 2; column-gap: 28px; }
.gc-fc-list-wide li { break-inside: avoid; }
.gc-fc-media img { width: 100%; height: auto; border-radius: 12px; box-shadow: 0 14px 30px rgba(15,39,71,0.12); display: block; }

/* Flow */
.gc-fc-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 18px; }
.gc-fc-step { background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 18px 16px; position: relative; }
.gc-fc-step span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 10px;
}
.gc-fc-step p { font-size: 13px; color: var(--muted); margin: 0; }

/* RFQ */
.gc-fc-rfq { background: var(--soft); border-radius: 14px; padding: 30px; border: 1px solid var(--line); }
.gc-fc-rfq-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0 22px; }
.gc-fc-rfq-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.gc-fc-rfq-item b { color: var(--blue); font-size: 13px; display: block; margin-bottom: 6px; }
.gc-fc-rfq-item p { margin: 0; font-size: 13px; color: var(--muted); }
.gc-fc-print {
  display: inline-block; margin-left: 12px; background: transparent; color: var(--navy);
  border: 1px solid var(--line); border-radius: 8px; padding: 13px 20px; cursor: pointer; font-weight: 600; font-size: 14px;
}
.gc-fc-print:hover { background: #fff; }

/* FAQ */
.gc-fc-block details { border: 1px solid var(--line); border-radius: 10px; padding: 0 18px; margin-bottom: 10px; background: #fff; }
.gc-fc-block details summary { cursor: pointer; font-weight: 600; color: var(--navy); padding: 16px 0; list-style: none; }
.gc-fc-block details summary::-webkit-details-marker { display: none; }
.gc-fc-block details summary::after { content: "+"; float: right; color: var(--blue); font-size: 20px; font-weight: 700; }
.gc-fc-block details[open] summary::after { content: "\2212"; }
.gc-fc-block details p { padding: 0 0 16px; color: var(--muted); font-size: 14px; }

/* Dark CTA */
.gc-fc-dark { background: var(--navy); color: #fff; border-radius: 14px; padding: 40px; text-align: center; margin: 36px 0; }
.gc-fc-dark h2 { color: #fff; }
.gc-fc-dark p { color: #c9d6e5; max-width: 640px; margin: 0 auto 22px; }

/* Author */
.gc-fc-author { display: flex; gap: 18px; align-items: center; padding: 24px; background: var(--soft); border-radius: 12px; margin: 28px 0; }
.gc-fc-author img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.gc-fc-author-name { font-weight: 700; color: var(--navy); margin: 0 0 4px; }
.gc-fc-author-bio { font-size: 13px; color: var(--muted); margin: 0; }

/* Related */
.gc-fc-related ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.gc-fc-related li { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; }
.gc-fc-related a { display: block; padding: 12px 16px; color: var(--navy); text-decoration: none; font-weight: 600; font-size: 14px; }
.gc-fc-related a:hover { color: var(--blue); }

/* Trust */
.gc-fc-trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 28px 0 18px; }
.gc-fc-trust-item { text-align: center; background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 18px 12px; }
.gc-fc-trust-item b { display: block; color: var(--blue); font-size: 16px; margin-bottom: 4px; }
.gc-fc-trust-item span { font-size: 12px; color: var(--muted); }

.gc-fc-legal { font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; margin-top: 10px; line-height: 1.6; }

/* Responsive */
@media (max-width: 900px) {
  .gc-fc-hero { grid-template-columns: 1fr; gap: 24px; }
  .gc-fc-cards { grid-template-columns: repeat(2, 1fr); }
  .gc-fc-grid2 { grid-template-columns: 1fr; }
  .gc-fc-flow { grid-template-columns: repeat(2, 1fr); }
  .gc-fc-rfq-grid { grid-template-columns: repeat(2, 1fr); }
  .gc-fc-trust { grid-template-columns: repeat(2, 1fr); }
  .gc-fc-list-wide { columns: 1; }
  .gc-fc-related ul { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .gc-fc-page { padding: 0 14px 40px; }
  .gc-fc-hero { padding: 32px 0 24px; }
  .gc-fc-glance, .gc-fc-cards, .gc-fc-flow, .gc-fc-rfq-grid, .gc-fc-trust { grid-template-columns: 1fr; }
  .gc-fc-toc { position: static; }
  .gc-fc-table { font-size: 13px; }
  .gc-fc-table th, .gc-fc-table td { padding: 9px 10px; }
}

/* Print */
@media print {
  .gc-fc-toc, .gc-fc-cta, .gcq-btn, .gc-fc-print, .gc-fc-dark, .gc-fc-related, .gc-fc-author { display: none; }
  .gc-fc-page { max-width: 100%; }
  .gc-fc-table thead th { background: var(--navy) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}