.page-faq {
  padding-top: clamp(18px, 3vw, 36px);
  padding-bottom: clamp(64px, 9vw, 120px);
  background:
    radial-gradient(900px 420px at 84% -10%, rgba(53, 242, 226, .09), transparent 62%),
    radial-gradient(720px 380px at 2% 14%, rgba(255, 107, 44, .08), transparent 60%);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  max-width: 980px;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
  margin: 10px 0 16px;
  text-wrap: balance;
}

.page-faq .faq-hero .lead {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  max-width: 64ch;
  margin: 0;
}

.page-faq .hero-stats {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-850));
}

.page-faq .hero-stat:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-faq .hero-stat:nth-child(3) {
  border-left-color: var(--mint);
}

.page-faq .hero-stat:nth-child(4) {
  border-left-color: var(--cyan);
}

.page-faq .hero-stat .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.1;
  color: var(--text);
  letter-spacing: -.02em;
}

.page-faq .hero-stat .stat-key {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 检索区 ---------- */
.page-faq .faq-search {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: var(--ink-800);
  background-image:
    radial-gradient(circle at 92% -10%, rgba(53, 242, 226, .16), transparent 55%),
    linear-gradient(rgba(36, 65, 95, .30) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 65, 95, .30) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  box-shadow: var(--shadow-panel);
}

.page-faq .search-label {
  margin: 0 0 12px;
  font-family: var(--font-condensed);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .search-field:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 226, .16);
}

.page-faq .search-icon {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--cyan);
}

.page-faq .search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 16px 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
}

.page-faq .search-input::placeholder {
  color: var(--muted);
  opacity: .85;
}

.page-faq .search-hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .topic-pills {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .topic-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(16, 41, 74, .78);
  color: var(--text);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-faq .topic-pill:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 242, 226, .10);
  transform: translateY(-1px);
}

.page-faq .topic-pill:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 两栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 48px);
}

.page-faq .faq-toc {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
}

.page-faq .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-condensed);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 4px;
}

.page-faq .toc-list > li {
  flex: none;
}

.page-faq .toc-link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.3;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .toc-link:hover {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--ink-700);
}

.page-faq .toc-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-faq .group-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .group-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--orange);
}

.page-faq .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 2.6vw, 1.65rem);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .group-sub {
  flex: 1 1 240px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .qa:last-child {
  margin-bottom: 0;
}

.page-faq .qa[open] {
  border-left-color: var(--cyan);
  background: var(--ink-700);
  box-shadow: var(--shadow-panel);
}

.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px clamp(14px, 2vw, 20px);
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  transition: color .2s var(--ease);
}

.page-faq .qa-q::-webkit-details-marker {
  display: none;
}

.page-faq .qa-q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.1;
  color: var(--cyan);
  transition: transform .22s var(--ease), color .22s var(--ease);
}

.page-faq .qa[open] .qa-q::after {
  content: "−";
  color: var(--orange);
}

.page-faq .qa-q:hover {
  color: var(--cyan);
}

.page-faq .qa-q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .qa-idx {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .qa[open] .qa-idx {
  color: var(--orange);
}

.page-faq .qa-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-a {
  padding: 0 clamp(14px, 2vw, 20px) 18px;
}

.page-faq .qa-a p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa-a p + p {
  margin-top: 10px;
}

/* ---------- 组内配图 ---------- */
.page-faq .group-figure {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-900);
}

.page-faq .group-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-faq .group-figure figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: var(--ink-800);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 联系支持收束 ---------- */
.page-faq .support-cta {
  margin-top: 20px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(255, 107, 44, .14), transparent 58%),
    var(--ink-800);
  box-shadow: var(--shadow-panel);
}

.page-faq .support-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .support-links {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.page-faq .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 226, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .inline-link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .inline-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-faq .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .group-figure img {
    max-height: 380px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 22px;
  }

  .page-faq .toc-list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-faq .toc-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 10px;
    padding: 9px 11px;
    white-space: normal;
  }

  .page-faq .toc-link:hover {
    border-left-color: var(--cyan);
  }

  .page-faq .toc-link:focus-visible {
    border-left-color: var(--orange);
  }

  .page-faq .qa-q {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .topic-pill,
  .page-faq .toc-link,
  .page-faq .qa,
  .page-faq .qa-q,
  .page-faq .qa-q::after,
  .page-faq .search-field {
    transition: none;
  }

  .page-faq .topic-pill:hover {
    transform: none;
  }
}
<<<END>>>