.page-faq {
  padding-top: 0;
  background: var(--ink-900);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(26px, 5vw, 60px)) 0 clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  background-color: var(--ink-850);
  background-image:
    repeating-linear-gradient(90deg, rgba(30, 58, 82, 0.55) 0 1px, transparent 1px 88px),
    linear-gradient(165deg, #102A42 0%, #0B1B2B 74%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--signal) 24%, transparent 64%);
}

.page-faq .faq-hero__inner {
  position: relative;
  max-width: 940px;
}

.page-faq .faq-hero__kicker {
  margin: 22px 0 0;
  color: var(--amber);
  letter-spacing: 0.26em;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 720px;
  margin-top: clamp(24px, 3.6vw, 38px);
  padding: 4px 16px;
  border: 1px solid var(--ice);
  background: rgba(8, 21, 33, 0.74);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--amber);
  box-shadow: inset 0 -2px 0 0 var(--amber);
}

.page-faq .faq-search__icon {
  flex: 0 0 auto;
  color: var(--ice);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 15px 2px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--muted);
  font-weight: 400;
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick a {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--line);
  color: var(--ice-soft);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
}

.page-faq .faq-hero__media {
  margin-top: clamp(26px, 4vw, 44px);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: clamp(40px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-block--quiet {
  background: var(--ink-850);
}

.page-faq .faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: clamp(22px, 3vw, 34px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head .coord {
  margin: 0;
  color: var(--amber);
}

.page-faq .faq-head h2 {
  margin: 8px 0 0;
  font-size: clamp(21px, 2.7vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-head__note {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-cats__figure {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-cats {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "idx name count"
    "idx desc desc";
  align-items: start;
  gap: 4px 14px;
  padding: 20px 18px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  background: transparent;
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-cat__idx {
  grid-area: idx;
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-cat__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-cat__desc {
  grid-area: desc;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-faq .faq-cat__count {
  grid-area: count;
  color: var(--ice);
  font-size: 12px;
  white-space: nowrap;
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: rgba(16, 42, 66, 0.72);
  box-shadow: inset 0 -2px 0 0 var(--amber);
}

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

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--amber);
}

.page-faq .faq-group__head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-group__head .coord {
  color: var(--muted);
  font-size: 12px;
}

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

.page-faq .fq__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--text);
  transition: color 0.18s var(--ease);
}

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

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

.page-faq .fq__arrow {
  flex: 0 0 auto;
  margin-top: 6px;
  color: var(--amber);
  transition: transform 0.18s var(--ease);
}

.page-faq .fq[open] .fq__arrow {
  transform: rotate(90deg);
}

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

.page-faq .fq__a {
  padding: 0 0 18px 26px;
}

.page-faq .fq__a p {
  margin: 0;
  max-width: 36em;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

.page-faq .fq__a a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .fq__a a:hover,
.page-faq .fq__a a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-side__card {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-side__card--amber {
  border-top-color: var(--amber);
}

.page-faq .faq-side__card .coord {
  margin: 0;
  color: var(--ice);
  font-size: 12px;
}

.page-faq .faq-side__title {
  margin: 10px 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .faq-side__text {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.page-faq .faq-side__btn {
  margin-top: 16px;
  width: 100%;
}

.page-faq .faq-side__link {
  display: inline-block;
  margin-top: 14px;
  color: var(--amber);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-bottom-color: var(--amber);
}

.page-faq .faq-side__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__list li + li {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-side__list a {
  color: var(--ice-soft);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

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

/* ---------- 差异速查表 ---------- */
.page-faq .diff-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-faq .diff-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.7;
}

.page-faq .diff-table thead th {
  padding: 13px 16px;
  background: var(--ink-800);
  color: var(--ice-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.page-faq .diff-table tbody th {
  padding: 14px 16px;
  border-left: 3px solid var(--amber);
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
}

.page-faq .diff-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  vertical-align: top;
}

.page-faq .diff-table tbody td:first-of-type {
  color: var(--ice-soft);
}

.page-faq .diff-table tbody tr:nth-child(even) {
  background: rgba(16, 42, 66, 0.55);
}

.page-faq .diff-table tbody tr:last-child th,
.page-faq .diff-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 旧版资料指引 ---------- */
.page-faq .legacy-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .legacy-step {
  padding: 22px 20px 24px;
  background: var(--ink-900);
}

.page-faq .legacy-step__idx {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-faq .legacy-step h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .legacy-step p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}

.page-faq .legacy-step--warn {
  background: var(--ink-800);
}

.page-faq .legacy-step--warn .legacy-step__idx {
  color: var(--signal);
}

/* ---------- 结尾区块 ---------- */
.page-faq .faq-cta__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-cta__text .coord {
  margin: 0;
  color: #8A6A22;
  letter-spacing: 0.2em;
}

.page-faq .faq-cta__text h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-cta__text p {
  max-width: 32em;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-cta__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta__list > div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cta__list dt {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-faq .faq-cta__list dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

.page-faq .faq-cta__list dd a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-cta__list dd a:hover,
.page-faq .faq-cta__list dd a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .legacy-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-cta__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (max-width: 619px) {
  .page-faq .faq-search {
    gap: 8px;
    padding: 2px 12px;
  }

  .page-faq .faq-search__input {
    font-size: 14px;
    padding: 13px 0;
  }

  .page-faq .fq__q {
    font-size: 14.5px;
  }

  .page-faq .fq__a {
    padding-left: 0;
  }
}
<<<END>>>