.page-faq {
  --faq-radius: 10px;
  --faq-gap: 12px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 46%, var(--char) 100%);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 22px 0 38px;
  border-bottom: 1px solid var(--line-soft);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-faq .faq-hero-grid {
  margin-top: 20px;
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero .lede {
  margin: 0 0 24px;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stat b {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-stat span {
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero-figure {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: 14px 14px 14px 40px;
  overflow: hidden;
  background: var(--char);
  margin: 0;
}

.page-faq .faq-hero-figure img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  opacity: 0.92;
}

.page-faq .faq-hero-note {
  position: absolute;
  right: 10px;
  top: 10px;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  background: rgba(6, 25, 20, 0.72);
  padding: 8px 4px;
  border-radius: 6px;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: 34px 0 0;
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-toc {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--faq-radius);
  background: var(--panel);
  padding: 18px 18px 16px;
}

.page-faq .faq-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-toc-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-toc-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-toc-list a::after {
  content: "";
  margin-left: auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-soft);
  transition: background 0.2s ease;
}

.page-faq .faq-toc-list a:hover,
.page-faq .faq-toc-list a:focus-visible {
  color: var(--text);
  border-color: var(--line-soft);
  background: rgba(11, 46, 38, 0.55);
}

.page-faq .faq-toc-list a:hover::after,
.page-faq .faq-toc-list a:focus-visible::after {
  background: var(--cyan);
}

.page-faq .faq-toc-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--header-h, 72px) + 16px);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.page-faq .faq-group-index {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(19px, 3.4vw, 26px);
  font-weight: 900;
  line-height: 1.3;
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  margin: 0 0 var(--faq-gap);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--faq-radius);
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line-soft);
  border-left-color: var(--gold-2);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: var(--char);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px 16px 14px;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 4px;
  transition: color 0.22s ease;
}

.page-faq .faq-item[open] .faq-num {
  color: var(--cyan);
}

.page-faq .faq-q {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .faq-toggle-mark {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--muted);
  transition: color 0.22s ease;
}

.page-faq .faq-toggle-mark::after {
  content: "+";
}

.page-faq .faq-item[open] .faq-toggle-mark {
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-toggle-mark::after {
  content: "–";
}

.page-faq .faq-a {
  padding: 0 16px 16px 16px;
  border-top: 1px dashed var(--line-soft);
  margin-top: 2px;
}

.page-faq .faq-a p {
  margin: 14px 0 10px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-link {
  display: inline-block;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 横向规则速查条 ---------- */
.page-faq .faq-quickbar {
  margin: 4px 0 40px;
  padding: 20px 20px 18px;
  border-radius: 16px 16px 16px 48px;
  background: var(--indigo);
  border: 1px solid rgba(230, 237, 233, 0.16);
  scroll-margin-top: calc(var(--header-h, 72px) + 16px);
}

.page-faq .faq-quickbar-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-2);
}

.page-faq .faq-quickbar-grid {
  display: grid;
  gap: 10px;
}

.page-faq .faq-quick {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(230, 237, 233, 0.18);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-quick-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  border-color: var(--cyan);
  background: rgba(47, 243, 208, 0.08);
}

.page-faq .faq-quickbar-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(230, 237, 233, 0.78);
}

/* ---------- 结尾联系 ---------- */
.page-faq .faq-cta {
  margin-top: 8px;
  padding: 44px 0 64px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(110, 31, 53, 0.22) 0%, rgba(6, 25, 20, 0) 78%);
}

.page-faq .faq-cta-grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-cta-index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-cta h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
}

.page-faq .faq-cta-copy > p {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-channels {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--panel);
}

.page-faq .faq-channels .contact-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-all;
}

.page-faq .faq-channel-label {
  display: inline-block;
  min-width: 74px;
  margin-right: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-channels .copy-chip {
  margin-top: 4px;
}

.page-faq .faq-cta-links {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-cta-links a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-cta-links a:hover,
.page-faq .faq-cta-links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-cta-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: 40px 14px 14px 14px;
  overflow: hidden;
  background: var(--char);
}

.page-faq .faq-cta-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 26px 0 42px;
  }

  .page-faq .faq-quickbar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 10px;
  }

  .page-faq .faq-toc-foot {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h, 72px) + 20px);
  }

  .page-faq .faq-toc-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-quickbar-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-cta-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }

  .page-faq .faq-a {
    padding-left: 16px;
  }

  .page-faq .faq-item summary {
    padding: 17px 20px 15px;
  }

  .page-faq .faq-a {
    padding: 0 20px 18px;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-quickbar {
    padding: 24px 28px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-toc-list a,
  .page-faq .faq-toc-list a::after,
  .page-faq .faq-num,
  .page-faq .faq-toggle-mark,
  .page-faq .faq-link,
  .page-faq .faq-quick,
  .page-faq .faq-cta-links a {
    transition: none;
  }
}