.page-faq {
  --faq-accent: var(--teal-400);
  --faq-panel: rgba(11, 18, 26, 0.68);
}

.page-faq .page-shell {
  padding-block: clamp(20px, 3vw, 40px) clamp(56px, 8vw, 104px);
}

.page-faq .page-shell > * + * {
  margin-top: clamp(36px, 6vw, 76px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-400);
}

.page-faq .faq-hero-kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: currentColor;
}

.page-faq .faq-hero-num {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid rgba(41, 224, 230, 0.42);
  color: var(--teal-400);
  letter-spacing: 0.1em;
}

.page-faq .faq-hero h1 {
  margin: 0 0 22px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-faq .faq-hero-lede {
  max-width: 36em;
  margin: 0;
  font-size: clamp(0.95rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--mist-100);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 14px 20px;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stat dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .faq-stat dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  color: var(--teal-400);
  letter-spacing: -0.01em;
}

.page-faq .faq-hero-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分类锚点条 ---------- */
.page-faq .faq-anchor-bar {
  position: sticky;
  top: var(--mobile-header-height);
  z-index: 4;
  padding: 10px 0;
  background: linear-gradient(180deg, rgba(6, 9, 14, 0.97), rgba(6, 9, 14, 0.82));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-anchor-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-anchor-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-anchor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  white-space: nowrap;
  border: 1px solid var(--border);
  color: var(--mist-100);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: background 0.18s var(--ease-out), border-color 0.18s var(--ease-out), color 0.18s var(--ease-out);
}

.page-faq .faq-anchor:hover,
.page-faq .faq-anchor:focus-visible {
  background: rgba(41, 224, 230, 0.12);
  border-color: var(--teal-400);
}

.page-faq .faq-anchor-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--teal-400);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  display: grid;
  gap: 20px;
  scroll-margin-top: calc(var(--mobile-header-height) + 74px);
}

.page-faq .faq-group--teal {
  --faq-accent: var(--teal-400);
}

.page-faq .faq-group--magenta {
  --faq-accent: var(--magenta-500);
}

.page-faq .faq-group--gold {
  --faq-accent: var(--gold-400);
}

.page-faq .faq-group-head {
  position: relative;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-group-head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 58px;
  height: 2px;
  background: var(--faq-accent);
}

.page-faq .faq-group-index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--faq-accent);
}

.page-faq .faq-group-head h2,
.page-faq .faq-contact-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 1.95rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-group-lede {
  margin: 0;
  max-width: 22em;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-group-body {
  display: grid;
  gap: 24px;
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  background: var(--faq-panel);
  transition: border-color 0.18s var(--ease-out), background 0.18s var(--ease-out);
}

.page-faq .faq-item:hover {
  border-color: rgba(41, 224, 230, 0.34);
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-accent);
  background: var(--ink-900);
}

.page-faq .faq-question {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 20px;
  gap: 12px;
  align-items: start;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

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

.page-faq .faq-question::marker {
  content: "";
}

.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-faq .faq-q-num {
  min-width: 2.4em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--faq-accent);
  padding-top: 0.32em;
}

.page-faq .faq-toggle {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--faq-accent);
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  background: var(--faq-accent);
  transform: translateY(-50%);
}

.page-faq .faq-toggle::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.2s var(--ease-out), opacity 0.2s var(--ease-out);
}

.page-faq .faq-item[open] .faq-toggle::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-answer {
  margin: 0;
  padding: 0 16px 18px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-faq .faq-answer a {
  color: var(--teal-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--gold-400);
}

/* ---------- 移动端示意图 ---------- */
.page-faq .faq-mobile-figure {
  margin: 0;
  width: 100%;
  max-width: 300px;
}

.page-faq .faq-mobile-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--border);
}

.page-faq .faq-mobile-figure figcaption {
  margin-top: 10px;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 联系面板 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 52px);
  background: linear-gradient(140deg, rgba(27, 33, 69, 0.9), rgba(11, 18, 26, 0.94) 62%);
  border: 1px solid var(--border);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(232, 180, 90, 0.18), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-contact-head {
  position: relative;
}

.page-faq .faq-contact .faq-group-index {
  color: var(--gold-400);
}

.page-faq .faq-contact-lede {
  margin: 0;
  max-width: 34em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist-100);
}

.page-faq .faq-channels {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-channel {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: rgba(6, 9, 14, 0.55);
}

.page-faq .faq-channel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--teal-400);
}

.page-faq .faq-channel-value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-channel-note {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-question {
    padding: 18px 20px;
    font-size: 1rem;
    gap: 14px;
  }

  .page-faq .faq-answer {
    padding: 0 20px 20px calc(20px + 2.4em + 14px);
  }

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

@media (min-width: 900px) {
  .page-faq .faq-anchor-bar {
    top: 0;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-faq .faq-group {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
    scroll-margin-top: 92px;
  }

  .page-faq .faq-group-head {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-group--wide {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-group-body--split {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
  }

  .page-faq .faq-mobile-figure {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toggle::after,
  .page-faq .faq-item,
  .page-faq .faq-anchor {
    transition: none;
  }
}
<<<END>>>