.page-faq {
  --faq-line: rgba(242, 234, 217, .18);
  --faq-line-strong: rgba(242, 234, 217, .34);
  --faq-line-ink: rgba(35, 24, 15, .22);
  --faq-soft: linear-gradient(180deg, #0f1d18 0%, #0C1512 100%);
  color: var(--cream);
}

.page-faq a {
  color: var(--neon);
}

/* ── 首屏 ───────────────────────────────────────── */

.page-faq .faq-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 82% -10%, rgba(75, 240, 176, .13), transparent 62%),
    var(--faq-soft);
  border-bottom: var(--edge-strong);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(75, 240, 176, .05) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, rgba(75, 240, 176, .04) 0 1px, transparent 1px 68px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(30px, 6vw, 76px) clamp(34px, 5vw, 62px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__index {
  color: var(--mist);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(42px, 11vw, 116px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  margin-top: clamp(20px, 3vw, 34px);
  max-width: 62ch;
  border-left: 4px solid var(--neon);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero__lead p {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--cream);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 18px;
  border: 2px solid var(--faq-line-strong);
  background: rgba(20, 35, 29, .72);
  color: var(--cream);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink-deep);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-faq .faq-jump__link:hover .faq-jump__num,
.page-faq .faq-jump__link:focus-visible .faq-jump__num {
  color: var(--ink-deep);
}

/* ── 主体舞台 ───────────────────────────────────── */

.page-faq .faq-stage {
  background: var(--cream);
  color: var(--brown);
  padding-block: clamp(34px, 6vw, 76px) clamp(40px, 7vw, 92px);
}

.page-faq .faq-stage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

/* 左侧分类索引 */

.page-faq .faq-index {
  border: 2px solid var(--brown);
  background: #FBF5E8;
  box-shadow: var(--hard-shadow);
  padding: clamp(16px, 3vw, 22px);
}

.page-faq .faq-index__label {
  display: block;
  color: #6B5A44;
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 2px solid var(--faq-line-ink);
  background: transparent;
  color: var(--brown);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--brown);
  border-color: var(--brown);
  color: var(--cream);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  color: var(--red-deep);
}

.page-faq .faq-index__link:hover .faq-index__no,
.page-faq .faq-index__link:focus-visible .faq-index__no {
  color: var(--amber);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line-ink);
  font-size: 13px;
  line-height: 1.8;
  color: #6B5A44;
}

/* 右侧内容 */

.page-faq .faq-body {
  min-width: 0;
}

/* ── 高频三问 ───────────────────────────────────── */

.page-faq .faq-topics {
  margin-bottom: clamp(38px, 6vw, 60px);
}

.page-faq .faq-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.1;
  letter-spacing: -.01em;
}

.page-faq .faq-stage .section-head {
  border-bottom: 2px solid var(--brown);
  padding-bottom: 12px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-stage .section-head .label-index {
  color: #6B5A44;
}

.page-faq .faq-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-hot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 22px);
  background: #FBF5E8;
  border: 2px solid var(--brown);
  border-left: 8px solid var(--neon);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-hot__no {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--red-deep);
}

.page-faq .faq-hot__q {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.35;
}

.page-faq .faq-hot__a {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #3E3021;
}

.page-faq .faq-hot__go {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  font-weight: 600;
  color: var(--red-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--red-deep);
  padding-bottom: 2px;
}

.page-faq .faq-hot__go:hover,
.page-faq .faq-hot__go:focus-visible {
  color: var(--brown);
  border-bottom-color: var(--neon);
}

/* ── 问答分组 ───────────────────────────────────── */

.page-faq .faq-group {
  scroll-margin-top: 90px;
  padding-top: clamp(30px, 5vw, 48px);
  border-top: 2px solid var(--brown);
  margin-top: clamp(30px, 5vw, 48px);
}

.page-faq .faq-group:first-of-type {
  margin-top: 0;
}

.page-faq .faq-group__head {
  margin-bottom: clamp(16px, 3vw, 22px);
}

.page-faq .faq-group__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--neon);
  -webkit-text-stroke: 1px var(--brown);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.08;
  letter-spacing: -.01em;
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: #6B5A44;
}

.page-faq .faq-figure {
  margin: 0 0 22px;
  border: 2px solid var(--brown);
  box-shadow: var(--hard-shadow);
}

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

.page-faq .faq-figure .figure-caption {
  background: #FBF5E8;
  color: #3E3021;
  border-top: 2px solid var(--brown);
  font-size: 13px;
  line-height: 1.7;
  padding: 11px 14px;
}

/* 可展开问答 */

.page-faq .qa-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .qa {
  border: 2px solid var(--brown);
  background: #FBF5E8;
  transition: box-shadow .18s var(--ease), transform .18s var(--ease);
}

.page-faq .qa[open] {
  box-shadow: var(--hard-shadow);
}

.page-faq .qa__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(15px, 2.4vw, 20px) clamp(15px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.5;
  color: var(--brown);
}

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

.page-faq .qa__summary:hover {
  background: #F2E9D6;
}

.page-faq .qa__summary:focus-visible {
  outline: 3px solid var(--red-deep);
  outline-offset: -3px;
}

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

.page-faq .qa__mark {
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-top: .42em;
  border-top: 8px solid var(--red-deep);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  transition: transform .18s var(--ease), border-top-color .18s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  border-top-color: var(--neon);
  transform: rotate(180deg);
}

.page-faq .qa__panel {
  padding: 0 clamp(15px, 2.4vw, 22px) clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--faq-line-ink);
  margin-top: 2px;
}

.page-faq .qa__panel p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.95;
  color: #3E3021;
}

.page-faq .qa__panel a {
  color: var(--red-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--red-deep);
}

.page-faq .qa__panel a:hover,
.page-faq .qa__panel a:focus-visible {
  color: var(--brown);
  border-bottom-color: var(--neon);
}

.page-faq .faq-group--last {
  border-bottom: 2px solid var(--brown);
  padding-bottom: clamp(26px, 4vw, 40px);
}

.page-faq .faq-contact__foot {
  margin: clamp(22px, 3.5vw, 32px) 0 0;
  padding: 16px 18px;
  border-left: 8px solid var(--amber);
  background: rgba(20, 35, 29, .08);
  font-size: 14px;
  line-height: 1.9;
  color: #3E3021;
}

/* ── 平板与桌面 ─────────────────────────────────── */

@media (min-width: 720px) {
  .page-faq .faq-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hot:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-stage__grid {
    grid-template-columns: minmax(230px, 264px) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }

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

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-index__link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hot:last-child {
    grid-column: auto;
  }

  .page-faq .faq-group__head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: clamp(16px, 2.5vw, 28px);
    align-items: end;
  }

  .page-faq .faq-group__no {
    grid-row: 1 / span 2;
    margin: 0;
    font-size: clamp(42px, 5vw, 62px);
  }

  .page-faq .faq-group__title {
    grid-column: 2;
  }

  .page-faq .faq-group__desc {
    grid-column: 2;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark,
  .page-faq .faq-jump__link,
  .page-faq .faq-index__link {
    transition: none;
  }
}