.page-faq {
  --faq-panel: #111317;
  --faq-line: rgba(214, 168, 79, 0.20);
  --faq-line-soft: rgba(233, 225, 210, 0.10);
  --faq-glow: rgba(214, 168, 79, 0.14);
  --faq-paper-line: rgba(11, 12, 14, 0.18);
  display: block;
  background: var(--ink);
  color: var(--cream);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(44px, 7vw, 88px);
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(circle at 84% 8%, var(--faq-glow), transparent 52%),
    radial-gradient(circle at 6% 92%, rgba(110, 31, 42, 0.26), transparent 56%),
    var(--ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(127, 152, 168, 0.16) 1px, transparent 1px),
    linear-gradient(180deg, rgba(127, 152, 168, 0.10) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.55;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 4vw, 40px);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

.page-faq .crumbs__link {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .crumbs__link:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-faq .crumbs__sep {
  color: var(--copper);
}

.page-faq .crumbs__current {
  color: var(--gold);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: end;
}

.page-faq .eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .display-title {
  margin: 0;
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .display-title span {
  display: block;
  margin-top: 8px;
  color: var(--gold-hi);
  background: linear-gradient(96deg, #F2C96D 6%, #D6A84F 48%, #A66B32 96%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq .lede {
  max-width: 40em;
  margin: clamp(16px, 3vw, 24px) 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-hero__stats {
  display: grid;
  gap: 12px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  padding-top: 12px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-mute);
}

.page-faq .faq-hero__stats .mono {
  display: block;
  margin-bottom: 2px;
  font-size: 22px;
  color: var(--gold-hi);
}

.page-faq .faq-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--obsidian);
  overflow: hidden;
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.92;
}

.page-faq .faq-hero__visual::before,
.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.page-faq .faq-hero__visual::before {
  top: 10px;
  left: 10px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__visual::after {
  right: 10px;
  bottom: 10px;
  border-left: 0;
  border-top: 0;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  position: relative;
  padding: clamp(40px, 6vw, 80px) 0 clamp(8px, 2vw, 24px);
  background:
    linear-gradient(180deg, rgba(20, 22, 26, 0.9), transparent 320px),
    var(--ink);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-toc {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-self: start;
}

.page-faq .faq-toc__title {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-faq .toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .toc__link {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-left: 2px solid var(--faq-line-soft);
  color: var(--text-dim);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .toc__link:hover {
  border-left-color: var(--gold);
  background: rgba(214, 168, 79, 0.06);
  color: var(--cream);
}

.page-faq .toc__link[aria-current="true"] {
  border-left-color: var(--gold-hi);
  background: rgba(214, 168, 79, 0.10);
  color: var(--cream);
}

.page-faq .faq-toc__no {
  flex: 0 0 auto;
  font-size: 12px;
  line-height: 1.55;
  color: var(--copper);
}

.page-faq .toc__link[aria-current="true"] .faq-toc__no {
  color: var(--gold-hi);
}

.page-faq .faq-toc__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-faq .faq-toc__name {
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-toc__count {
  font-size: 11px;
  letter-spacing: 0.10em;
  color: var(--text-mute);
}

.page-faq .faq-toc__figure {
  margin: 0;
  border: 1px solid var(--faq-line);
  overflow: hidden;
}

.page-faq .faq-toc__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.85;
}

.page-faq .faq-toc__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 68px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--copper);
}

.page-faq .section-title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--cream);
}

.page-faq .faq-group__desc {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-faq .accordion__item {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 18px 2px;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  text-align: left;
  color: var(--cream);
  cursor: pointer;
  transition: color 0.25s var(--ease);
}

.page-faq .accordion__trigger:hover {
  color: var(--gold-hi);
}

.page-faq .accordion__trigger[aria-expanded="true"] {
  color: var(--gold-hi);
}

.page-faq .faq-q__no {
  flex: 0 0 auto;
  margin-top: 3px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

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

.page-faq .faq-q__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.3s var(--ease);
}

.page-faq .faq-q__sign::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 1px;
}

.page-faq .faq-q__sign::after {
  top: 0;
  left: 7px;
  width: 1px;
  height: 16px;
}

.page-faq .accordion__trigger[aria-expanded="true"] .faq-q__sign::after {
  transform: scaleY(0);
}

.page-faq .accordion__panel {
  padding: 0 2px 22px 32px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-faq .accordion__panel p {
  margin: 0 0 10px;
}

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

.page-faq .accordion__panel a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 201, 109, 0.45);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .accordion__panel a:hover {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 底部支持区 ---------- */
.page-faq .faq-support {
  position: relative;
  overflow: hidden;
  margin-top: clamp(52px, 8vw, 96px);
  padding: clamp(40px, 6vw, 76px) 0;
  color: var(--ink);
  background: linear-gradient(158deg, #E9E1D2 0%, #DCD1BB 62%, #CFC0A4 100%);
  border-top: 1px solid var(--faq-paper-line);
}

.page-faq .faq-support::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -90px;
  width: 340px;
  height: 340px;
  border: 1px solid var(--faq-paper-line);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-support::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 120px;
  height: 6px;
  background: var(--wine);
}

.page-faq .faq-support > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-support__eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.20em;
  color: var(--wine);
}

.page-faq .faq-support__title {
  margin: 0;
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-support__text {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(11, 12, 14, 0.72);
}

.page-faq .faq-contact {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--faq-paper-line);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 1px solid var(--faq-paper-line);
}

.page-faq .faq-contact__label {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-faq .faq-contact__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-support__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(11, 12, 14, 0.60);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-support__actions .btn {
  text-decoration: none;
}

.page-faq .faq-support__actions .btn--ghost {
  border-color: rgba(11, 12, 14, 0.34);
  color: var(--ink);
}

.page-faq .faq-support__actions .btn--ghost:hover {
  border-color: var(--ink);
}

.page-faq .faq-support__legal {
  margin: 20px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: rgba(11, 12, 14, 0.58);
}

.page-faq .faq-support__legal a {
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 31, 42, 0.4);
}

.page-faq .faq-support__legal a:hover {
  border-bottom-color: var(--wine);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-support__actions {
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .accordion__trigger {
    font-size: 16px;
    padding: 20px 2px;
  }

  .page-faq .accordion__panel {
    padding-left: 36px;
    font-size: 15px;
  }
}