.page-faq {
  --faq-rail-w: 236px;
  --faq-gap: clamp(1.5rem, 3.5vw, 2.75rem);
  color: var(--paper);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-faq .breadcrumbs {
  padding: 1rem 0 0.5rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 140, 66, 0.2), transparent 55%),
    radial-gradient(90% 85% at 0% 100%, rgba(59, 224, 138, 0.16), transparent 62%),
    linear-gradient(160deg, var(--panel), var(--ink-900) 72%);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-faq .faq-kicker {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5.4vw, 2.9rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.005em;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-hero-copy .lede {
  max-width: 44ch;
  color: var(--silver);
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 2rem;
  margin: 1.5rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-faq .faq-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-faq .faq-fact-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.page-faq .faq-fact-txt {
  font-size: 0.8125rem;
  color: var(--mist);
}

.page-faq .faq-hero-media {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
}

.page-faq .faq-hero-media .media-caption {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--mist);
}

/* ---------- 搜索条 ---------- */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 0.9rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--green);
}

.page-faq .faq-search-key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-search-input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 0.55rem 0.7rem;
  background: rgba(11, 20, 32, 0.65);
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.page-faq .faq-search-input::placeholder {
  color: var(--mist);
}

.page-faq .faq-search-input:focus-visible {
  outline: 2px solid rgba(59, 224, 138, 0.5);
  outline-offset: 1px;
  border-color: var(--green);
}

.page-faq .faq-search-hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

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

.page-faq .faq-rail-head {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  white-space: nowrap;
  background: rgba(16, 42, 50, 0.6);
  border: 1px solid var(--line);
  color: var(--silver);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-faq .faq-rail-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-faq .faq-rail-link[aria-current="true"] {
  color: var(--paper);
  border-color: var(--orange);
  background: rgba(255, 140, 66, 0.14);
}

.page-faq .faq-rail-link[aria-current="true"] .faq-rail-num {
  color: var(--amber);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-column {
  min-width: 0;
}

.page-faq .faq-group {
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--hdr-h) + 1rem);
}

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

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-faq .faq-group-head .section-index {
  color: var(--orange);
}

.page-faq .faq-group-head .section-title {
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  margin: 0;
}

.page-faq .faq-group-note {
  max-width: 52ch;
  margin: 0.5rem 0 1.1rem;
  font-size: 0.9375rem;
  color: var(--mist);
}

.page-faq .faq-group-note a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-items {
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-item {
  border-left: 1px solid var(--line-strong);
  padding: 0 1rem;
  background: linear-gradient(180deg, rgba(16, 42, 50, 0.55), rgba(11, 20, 32, 0.3));
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--green);
  background: linear-gradient(180deg, rgba(27, 58, 71, 0.9), rgba(11, 20, 32, 0.45));
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--green);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid rgba(59, 224, 138, 0.5);
  outline-offset: 2px;
}

.page-faq .faq-a {
  max-width: 64ch;
  padding: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-a p {
  margin: 0 0 0.6rem;
}

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

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

/* ---------- 区间小表 ---------- */
.page-faq .faq-table-wrap {
  margin: 0.85rem 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 26rem;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-faq .faq-table caption {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  background: var(--board);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-faq .faq-table td:first-child {
  font-family: var(--font-mono);
  color: var(--mist);
}

.page-faq .faq-table td:nth-child(2) {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
}

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

/* ---------- 内嵌图 ---------- */
.page-faq .faq-figure {
  margin: 1rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-faq .faq-figure .media-caption {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--mist);
}

/* ---------- 底部引导带 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 1.1rem;
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-left: 4px solid var(--orange);
  background:
    linear-gradient(100deg, rgba(255, 140, 66, 0.22), rgba(59, 224, 138, 0.14) 62%, transparent),
    var(--panel);
}

.page-faq .faq-cta h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-cta p {
  margin: 0;
  color: var(--silver);
  font-size: 0.9375rem;
}

.page-faq .faq-cta .btn {
  justify-self: start;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--hdr-h) + 1.5rem);
    border-right: 1px solid var(--line);
    padding-right: 1rem;
  }

  .page-faq .faq-rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail-list li + li {
    margin-top: 0.15rem;
  }

  .page-faq .faq-rail-link {
    white-space: normal;
    padding: 0.55rem 0.5rem 0.55rem 0.75rem;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-faq .faq-rail-link:hover,
  .page-faq .faq-rail-link:focus-visible {
    border-left-color: var(--silver);
    background: rgba(174, 188, 198, 0.06);
  }

  .page-faq .faq-rail-link[aria-current="true"] {
    border-left-color: var(--orange);
    background: linear-gradient(90deg, rgba(255, 140, 66, 0.16), transparent 85%);
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-cta .btn {
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero-media img {
    aspect-ratio: 5 / 6;
  }
}
<<<END>>>