.page-faq {
  --faq-rail-w: 220px;
  --faq-note-w: 254px;
  --faq-paper-soft: #4E6058;
  --faq-paper-faint: #6E8079;
  --faq-gold-deep: #856A16;
  --faq-hair: rgba(42, 74, 65, .28);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  opacity: .5;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  color: var(--paper);
  opacity: .86;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: clamp(30px, 4.5vw, 48px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: var(--t-small);
  color: var(--mist);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  min-width: 0;
}

.page-faq .faq-hero__num {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold-bright);
}

/* ---------- 横幅 ---------- */
.page-faq .faq-banner {
  display: block;
  margin: 0;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--ink-deep);
}

.page-faq .faq-banner .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 服务范围变更说明 ---------- */
.page-faq .faq-scope {
  position: relative;
}

.page-faq .faq-scope__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-scope__title {
  margin: 14px 0 0;
  color: var(--paper);
}

.page-faq .faq-scope__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--paper);
  opacity: .85;
}

.page-faq .faq-scope__grid {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  margin: clamp(24px, 3.4vw, 36px) 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .faq-scope__cell {
  padding: 22px 20px;
  background: var(--ink);
}

.page-faq .faq-scope__idx {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-faq .faq-scope__cell .t-h3 {
  margin: 0 0 8px;
  color: var(--paper);
}

.page-faq .faq-scope__cell p {
  margin: 0;
  font-size: var(--t-small);
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-scope__foot {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--rose);
  font-size: var(--t-small);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-scope__fig {
  margin: 0;
}

/* ---------- 三栏工作区 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "note"
    "rail"
    "body";
}

.page-faq .faq-note { grid-area: note; }
.page-faq .faq-rail { grid-area: rail; }
.page-faq .faq-body { grid-area: body; }

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

/* 便签 */
.page-faq .faq-note__card {
  padding: 20px 18px;
  color: var(--ink);
}

.page-faq .faq-note__card .t-h3 {
  margin: 6px 0 14px;
}

.page-faq .faq-note__list {
  display: grid;
  gap: 9px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: var(--t-small);
  line-height: 1.65;
}

.page-faq .faq-note__list li {
  position: relative;
  padding-left: 15px;
}

.page-faq .faq-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--rose);
}

/* 索引栏 */
.page-faq .faq-rail {
  padding: 20px 16px;
  border: 1px solid var(--faq-hair);
  background: var(--paper-2);
}

.page-faq .faq-rail__title {
  margin: 0 0 6px;
  color: var(--ink);
}

.page-faq .faq-rail__hint {
  margin: 0 0 14px;
  line-height: 1.65;
  color: var(--faq-paper-faint);
}

.page-faq .faq-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 8px;
  min-height: 44px;
  padding: 12px 6px;
  border-bottom: 1px solid var(--faq-hair);
  text-decoration: none;
  color: var(--ink);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-rail__list li:last-child .faq-rail__item {
  border-bottom: 0;
}

.page-faq .faq-rail__item:hover,
.page-faq .faq-rail__item:focus-visible {
  background: rgba(201, 162, 39, .18);
  border-bottom-color: var(--gold);
  outline: none;
}

.page-faq .faq-rail__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-faq .faq-rail__dot--gold { background: var(--gold); }
.page-faq .faq-rail__dot--rose { background: var(--rose); }
.page-faq .faq-rail__dot--cyan { background: var(--cyan); }
.page-faq .faq-rail__dot--mist { background: var(--mist); }

.page-faq .faq-rail__name {
  font-size: 15px;
  font-weight: 600;
}

.page-faq .faq-rail__count {
  margin-left: auto;
  font-family: var(--font-serif);
  font-size: var(--t-meta);
  color: var(--faq-paper-faint);
}

.page-faq .faq-rail__range {
  flex-basis: 100%;
  padding-left: 17px;
  font-family: var(--font-serif);
  font-size: var(--t-meta);
  letter-spacing: .1em;
  color: var(--faq-gold-deep);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-block {
  margin-top: clamp(38px, 5vw, 60px);
  scroll-margin-top: 96px;
}

.page-faq .faq-block:first-child {
  margin-top: 0;
}

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-block__idx {
  font-family: var(--font-serif);
  font-size: var(--t-meta);
  letter-spacing: .14em;
  color: var(--faq-gold-deep);
}

.page-faq .faq-block__title {
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-block__count {
  margin-left: auto;
  font-family: var(--font-serif);
  font-size: var(--t-meta);
  letter-spacing: .08em;
  color: var(--faq-paper-faint);
}

.page-faq .faq-block__intro {
  margin: 14px 0 4px;
  max-width: 62ch;
  color: var(--faq-paper-soft);
}

.page-faq .faq-block:target .faq-block__title {
  color: var(--faq-gold-deep);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 17px 4px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s var(--ease);
}

.page-faq .faq-item__q::-webkit-details-marker { display: none; }
.page-faq .faq-item__q::marker { content: ""; }

.page-faq .faq-item__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--gold);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--faq-gold-deep);
  outline: none;
}

.page-faq .faq-item__q:focus-visible {
  box-shadow: inset 0 0 0 2px var(--gold);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--faq-gold-deep);
}

.page-faq .faq-item__a {
  padding: 0 4px 20px 34px;
  color: var(--faq-paper-soft);
  line-height: 1.78;
}

.page-faq .faq-item__a p {
  margin: 0 0 8px;
  max-width: 62ch;
}

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

.page-faq .faq-item__a a {
  color: var(--faq-gold-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 兜底区块 ---------- */
.page-faq .faq-missing {
  margin-top: clamp(46px, 6vw, 76px);
  padding: clamp(28px, 4vw, 44px);
  border-top: 3px solid var(--gold);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-missing__title {
  margin: 12px 0 16px;
  color: var(--paper);
}

.page-faq .faq-missing p {
  margin: 0 0 12px;
  max-width: 64ch;
  color: var(--paper);
  opacity: .86;
}

.page-faq .faq-missing__hint {
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: var(--t-small);
  line-height: 1.72;
}

.page-faq .faq-missing a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-banner {
    aspect-ratio: 16 / 9;
  }

  .page-faq .faq-hero__meta {
    gap: 12px 22px;
  }

  .page-faq .faq-hero__num {
    font-size: 20px;
  }

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

  .page-faq .faq-item__a {
    padding-left: 4px;
  }
}

@media (min-width: 700px) {
  .page-faq .faq-scope__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    grid-template-areas:
      "rail note"
      "rail body";
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-scope__inner {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr) var(--faq-note-w);
    grid-template-areas: "rail .page-faq note";
  }

  .page-faq .faq-note {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__item,
  .page-faq .faq-item__q {
    transition: none;
  }
}