.page-faq {
  --faq-panel: #123B33;
  --faq-panel-line: rgba(201, 162, 75, .28);
  --faq-glow: rgba(53, 224, 200, .10);
  --faq-glow-strong: rgba(53, 224, 200, .22);
  --faq-step-ink: #16241F;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 1px solid var(--faq-panel-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -18%;
  width: 62%;
  height: 180%;
  background: linear-gradient(180deg, rgba(201, 162, 75, .22), rgba(53, 224, 200, .06));
  transform: rotate(13deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--gold), transparent);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
  padding-top: 40px;
  padding-bottom: 44px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  color: var(--text);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 6px 0 0;
}

.page-faq .faq-hero__stat {
  border-top: 2px solid var(--gold);
  padding-top: 10px;
}

.page-faq .faq-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--gold-soft);
}

.page-faq .faq-hero__label {
  display: block;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding-top: 30px;
  padding-bottom: 56px;
}

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

/* ---------- 左侧分类锚点 ---------- */
.page-faq .faq-toc {
  background: var(--faq-panel);
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--radius);
  padding: 12px;
}

.page-faq .faq-toc .toc__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-toc .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc .toc__list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc .toc__list a {
  display: block;
  padding: 8px 12px;
  font-size: 13.5px;
  line-height: 1.3;
  white-space: nowrap;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  border-radius: 2px;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-toc .toc__list a:hover,
.page-faq .faq-toc .toc__list a:focus-visible {
  color: var(--paper);
  background: rgba(244, 239, 227, .06);
}

.page-faq .faq-toc .toc__list a[aria-current="location"] {
  color: var(--paper);
  border-bottom-color: var(--cyan);
  background: var(--faq-glow);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 104px;
  margin-bottom: 44px;
}

.page-faq .faq-sec:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-sec .section-head {
  margin-bottom: 14px;
}

.page-faq .faq-sec .prose {
  max-width: 40ch;
  color: var(--text);
}

.page-faq .faq-figure {
  margin: 16px 0 20px;
}

/* ---------- 三步自查 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .steps__item {
  position: relative;
  background: var(--paper);
  color: var(--faq-step-ink);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-faq .steps__item::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(225deg, rgba(201, 162, 75, .85) 0 50%, transparent 50%);
}

.page-faq .steps__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: #8A6A1F;
  border: 1px solid rgba(138, 106, 31, .35);
  border-radius: 2px;
  padding: 2px 6px;
  margin-bottom: 10px;
}

.page-faq .steps__item h3 {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.35;
  color: var(--char);
}

.page-faq .steps__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(16, 21, 18, .78);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--faq-panel-line);
  border-left: 3px solid rgba(201, 162, 75, .5);
  border-radius: var(--radius);
  background: var(--faq-panel);
  margin-top: 10px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-1);
}

.page-faq .qa[open] {
  border-left-color: var(--cyan);
  box-shadow: var(--shadow-1);
}

.page-faq .qa__summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 44px 14px 14px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 15.5px;
  line-height: 1.55;
}

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

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

.page-faq .qa__summary::after {
  content: "+";
  position: absolute;
  top: 12px;
  right: 14px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
  border: 1px solid var(--faq-panel-line);
  border-radius: 2px;
  transition: transform .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .qa[open] .qa__summary::after {
  transform: rotate(45deg);
  color: var(--cyan);
  border-color: var(--faq-glow-strong);
}

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 1px solid var(--faq-glow-strong);
  border-radius: 2px;
  padding: 1px 6px;
  margin-top: 2px;
}

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

.page-faq .qa__body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--faq-panel-line);
  margin-top: 2px;
  padding-top: 14px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.75;
}

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

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

.page-faq .qa__act {
  border-left: 3px solid var(--orange);
  padding-left: 10px;
  color: var(--paper);
  font-weight: 700;
}

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

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: var(--cyan);
}

/* ---------- 纠错区块 ---------- */
.page-faq .faq-correction {
  display: grid;
  gap: 20px;
  background: var(--ink-deep);
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--radius);
  padding: 20px 18px;
  margin-bottom: 16px;
}

.page-faq .faq-correction__text p {
  margin: 0 0 12px;
  max-width: 40ch;
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
}

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

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

.page-faq .faq-correction__text a:hover,
.page-faq .faq-correction__text a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-correction__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-correction__list li {
  position: relative;
  padding: 8px 10px 8px 26px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
  background: rgba(18, 59, 51, .6);
  border-radius: 2px;
}

.page-faq .faq-correction__list li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 16px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

.page-faq .faq-correction__list strong {
  color: var(--paper);
}

.page-faq .faq-correction__figure {
  margin: 0;
  align-self: start;
}

.page-faq .faq-endnote {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-panel-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--jade);
  max-width: 44ch;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero h1 {
    font-size: 40px;
  }

  .page-faq .faq-hero__inner {
    padding-top: 56px;
    padding-bottom: 58px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .steps__item:nth-child(2) {
    transform: translateY(10px);
  }

  .page-faq .faq-correction {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    padding: 26px 24px;
  }

  .page-faq .qa__summary {
    font-size: 16px;
    padding: 16px 52px 16px 18px;
  }

  .page-faq .qa__body {
    padding: 16px 20px 20px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero h1 {
    font-size: 48px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 44px;
    padding-top: 46px;
    padding-bottom: 84px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 16px 14px;
  }

  .page-faq .faq-toc .toc__list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-toc .toc__list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-toc .toc__list a {
    border-bottom: none;
    border-left: 2px solid transparent;
    border-radius: 0 2px 2px 0;
    white-space: normal;
  }

  .page-faq .faq-toc .toc__list a[aria-current="location"] {
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }

  .page-faq .faq-sec {
    margin-bottom: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__summary::after,
  .page-faq .steps__item,
  .page-faq .qa,
  .page-faq .faq-toc .toc__list a {
    transition: none;
  }

  .page-faq .steps__item:nth-child(2) {
    transform: none;
  }
}