.page-faq {
  --faq-rail-w: 222px;
  --faq-answer-bg: rgba(14, 26, 60, 0.74);
  --faq-line: var(--steel);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(34px, 6vw, 76px) 0 clamp(18px, 3vw, 30px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 460px;
  background:
    radial-gradient(58% 100% at 18% 0%, rgba(240, 162, 43, 0.14), transparent 68%),
    radial-gradient(52% 92% at 86% 8%, rgba(108, 127, 216, 0.17), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
}

.page-faq h1 {
  margin: 0 0 20px;
  max-width: 780px;
  font-size: clamp(28px, 5.1vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 620px;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.95;
  color: var(--mist);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(30px, 4.6vw, 50px);
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-stats .stat {
  padding: 18px 18px 20px;
  background: var(--ink-900);
}

.page-faq .faq-stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 27px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-stats .stat__label {
  display: block;
  margin-top: 9px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
}

.page-faq .faq-ridge {
  display: block;
  width: 100%;
  height: clamp(44px, 6vw, 78px);
  margin-top: clamp(20px, 3.5vw, 40px);
  opacity: 0.85;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: clamp(22px, 3.4vw, 38px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist-dim);
}

.page-faq .faq-tablist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-tab {
  display: block;
  width: 100%;
  padding: 13px 14px;
  background: var(--ink-900);
  border: 0;
  border-left: 2px solid transparent;
  text-align: left;
  cursor: pointer;
  color: var(--mist);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-tab:hover {
  background: var(--ink-800);
  color: var(--white);
}

.page-faq .faq-tab:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: -1px;
}

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--ink-800);
  border-left-color: var(--gold);
  color: var(--white);
}

.page-faq .faq-tab__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__idx {
  color: var(--gold);
}

.page-faq .faq-tab__name {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

/* ---------- 面板 ---------- */
.page-faq .faq-panels {
  min-width: 0;
}

.page-faq .faq-panel {
  display: block;
}

.page-faq .faq-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-panel__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 26px);
  font-weight: 900;
  letter-spacing: -0.018em;
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-panel__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
}

.page-faq .faq-list {
  margin-top: 4px;
}

/* ---------- 条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 19px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-size: clamp(15px, 1.4vw, 16.5px);
  font-weight: 700;
  line-height: 1.62;
  letter-spacing: -0.008em;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-q:hover {
  color: var(--gold-soft);
}

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

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

.page-faq .faq-q:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: -1px;
}

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 1px solid var(--mist-dim);
  border-bottom: 1px solid var(--mist-dim);
  transform: rotate(-45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-q__mark {
  transform: rotate(45deg);
  border-color: var(--gold);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--gold-soft);
}

.page-faq .faq-a {
  margin: 0 0 20px 23px;
  padding: 16px 20px 18px;
  max-width: 640px;
  background: var(--faq-answer-bg);
  border-left: 2px solid var(--steel);
  animation: faq-reveal 0.24s var(--ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.88;
  color: var(--mist);
}

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

.page-faq .faq-a a {
  color: var(--violet);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-a a:hover {
  color: var(--gold-soft);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 4px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
  filter: saturate(0.94) contrast(1.02);
}

.page-faq .faq-figure .media-frame__caption {
  margin-top: 10px;
  max-width: 44ch;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist-dim);
}

/* ---------- 收束区块 ---------- */
.page-faq .faq-help {
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-faq .faq-help__panel {
  padding: clamp(26px, 4vw, 52px);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(255, 217, 138, 0.6), transparent 58%),
    var(--gold);
  border-radius: var(--radius);
  color: var(--ink-900);
}

.page-faq .faq-help__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(7, 14, 36, 0.62);
}

.page-faq .faq-help h2 {
  margin: 12px 0 14px;
  max-width: 640px;
  font-size: clamp(21px, 3vw, 33px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.022em;
  color: var(--ink-900);
}

.page-faq .faq-help__lede {
  margin: 0 0 26px;
  max-width: 580px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(7, 14, 36, 0.84);
}

.page-faq .faq-help__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin-bottom: 26px;
}

.page-faq .faq-help__channel {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink-900);
  word-break: break-all;
}

.page-faq .faq-help__hours {
  font-size: 13px;
  color: rgba(7, 14, 36, 0.72);
  align-self: center;
}

.page-faq .faq-help__btn {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--white);
}

.page-faq .faq-help__btn:hover {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--gold-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-faq .faq-tablist {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    background: none;
    border: 0;
    border-left: 1px solid var(--faq-line);
  }

  .page-faq .faq-tab {
    background: none;
    padding: 13px 10px 13px 18px;
    margin-left: -1px;
    border-left: 1px solid transparent;
  }

  .page-faq .faq-tab:hover {
    background: none;
  }

  .page-faq .faq-tab[aria-selected="true"] {
    background: none;
  }

  .page-faq .faq-a {
    margin-left: 23px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-panel--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 288px;
    column-gap: 46px;
  }

  .page-faq .faq-panel--split .faq-panel__head {
    grid-column: 1 / -1;
  }

  .page-faq .faq-panel--split .faq-list {
    grid-column: 1;
    grid-row: 2;
  }

  .page-faq .faq-panel--split .faq-figure {
    grid-column: 2;
    grid-row: 2;
    margin: 8px 0 0;
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-faq .faq-panel--split .faq-a {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }

  .page-faq .faq-q__mark,
  .page-faq .faq-tab,
  .page-faq .faq-q {
    transition: none;
  }
}