.page-faq {
  --faq-gap: 12px;
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

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

.page-faq .faq-figure {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-800);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glow);
  pointer-events: none;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.03);
}

.page-faq .faq-figure__caption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 主题矩阵 ---------- */
.page-faq .faq-topics {
  padding: clamp(30px, 4.4vw, 54px) 0 clamp(4px, 1vw, 10px);
}

.page-faq .faq-topics__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 22px;
}

.page-faq .faq-topics__hint {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.page-faq .faq-topics__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-topic {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-800);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .faq-topic:hover,
.page-faq .faq-topic:focus-visible {
  border-color: var(--mint);
  background: var(--bg-700);
  transform: translateY(-2px);
}

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

.page-faq .faq-topic__no {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--mint);
}

.page-faq .faq-topic__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
}

.page-faq .faq-topic__desc {
  flex: 1 1 auto;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-faq .faq-topic__count {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

@media (min-width: 640px) {
  .page-faq .faq-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-topics__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  padding: clamp(38px, 5.2vw, 68px) 0 0;
  scroll-margin-top: 104px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__no {
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 52px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--mint);
  opacity: 0.5;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-group__lede a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 200, 0.35);
}

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

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.16s var(--ease);
}

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

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

.page-faq .faq-item__q:hover {
  color: var(--mint);
}

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

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

.page-faq .faq-item__icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--mint);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
  border-color: var(--mint);
}

.page-faq .faq-item__a {
  padding: 0 0 22px;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(232, 242, 238, 0.8);
}

.page-faq .faq-item__a a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 200, 0.35);
}

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

@media (min-width: 760px) {
  .page-faq .faq-item__a {
    margin-left: clamp(0px, 20%, 200px);
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }
}

/* ---------- 结构化区块通用头 ---------- */
.page-faq .faq-block {
  padding: clamp(44px, 5.6vw, 76px) 0 0;
  scroll-margin-top: 104px;
}

.page-faq .faq-block__head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-block__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-faq .faq-block__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 速查表 ---------- */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-800);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-table__caption {
  caption-side: top;
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table th {
  padding: 13px 18px;
  text-align: left;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mint);
  background: var(--bg-700);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table td {
  padding: 14px 18px;
  vertical-align: top;
  line-height: 1.7;
  color: rgba(232, 242, 238, 0.8);
  border-top: 1px solid var(--line);
}

.page-faq .faq-table tbody tr:first-child td {
  border-top: 0;
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(18, 48, 39, 0.38);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(46, 242, 200, 0.07);
}

.page-faq .faq-table td:first-child {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 术语对照 ---------- */
.page-faq .faq-band {
  margin: 0 0 clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-800);
  overflow: hidden;
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.04);
}

.page-faq .faq-glossary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-term {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: var(--bg-800);
}

.page-faq .faq-term__abbr {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--amber);
  word-break: break-word;
}

.page-faq .faq-term__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(232, 242, 238, 0.8);
}

@media (min-width: 780px) {
  .page-faq .faq-glossary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  margin-top: clamp(48px, 6vw, 84px);
  padding: clamp(40px, 5.4vw, 72px) 0 clamp(52px, 6vw, 88px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 48, 39, 0.55) 0%, rgba(6, 18, 15, 0) 76%);
  scroll-margin-top: 104px;
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 48px);
  align-items: start;
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-help__text {
  margin: 16px 0 24px;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-help__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-800);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-help__row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 18px;
  border-top: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-help__row:first-child {
  border-top: 0;
}

.page-faq .faq-help__key {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--mint);
}

.page-faq .faq-help__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topic,
  .page-faq .faq-item__q,
  .page-faq .faq-item__icon {
    transition: none;
  }

  .page-faq .faq-topic:hover {
    transform: none;
  }
}
<<<END>>>