.page-faq {
  --faq-line: rgba(168, 198, 218, 0.55);
  --faq-edge: rgba(168, 198, 218, 0.35);
  --faq-card: #ffffff;
  --faq-text: #2c343b;
  display: block;
  overflow-x: hidden;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ===== 首屏拼贴 ===== */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(34px, 7vw, 78px);
  background-color: var(--blue-deep);
  color: #fff;
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 45%;
  opacity: 0.42;
  filter: saturate(0.9) contrast(1.06);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 82% at 84% 6%, rgba(226, 62, 122, 0.24) 0%, rgba(226, 62, 122, 0) 64%),
    linear-gradient(180deg, rgba(15, 51, 84, 0.94) 0%, rgba(15, 59, 54, 0.87) 58%, rgba(36, 30, 60, 0.96) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  padding-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero .crumbs__link {
  color: rgba(244, 241, 234, 0.74);
}

.page-faq .faq-hero .crumbs__link[aria-current="page"] {
  color: var(--yellow);
}

.page-faq .faq-hero .crumbs__sep {
  color: rgba(168, 198, 218, 0.52);
}

.page-faq .faq-hero__collage {
  display: grid;
  gap: 28px;
  margin-top: clamp(26px, 5vw, 58px);
}

.page-faq .faq-hero .coord {
  color: rgba(244, 241, 234, 0.7);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 20em;
  font-size: clamp(1.85rem, 5.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0.04em;
  color: #fff;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(0.94rem, 1.6vw, 1.04rem);
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.82);
}

.page-faq .faq-hero__facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background-color: rgba(168, 198, 218, 0.24);
  border: 1px solid rgba(168, 198, 218, 0.24);
}

.page-faq .faq-hero__facts li {
  display: grid;
  gap: 5px;
  padding: 16px 14px;
  background-color: rgba(11, 40, 66, 0.72);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  color: var(--yellow);
}

.page-faq .faq-hero__cap {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(244, 241, 234, 0.66);
}

/* ===== 主体骨架 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: clamp(32px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ===== 左侧分类索引条 ===== */
.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--blue-ink);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-rail__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 6px 12px 0;
  border-left: 2px solid transparent;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--ease), background-color var(--ease), color var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-left-color: var(--neon);
  background-color: rgba(20, 69, 110, 0.05);
  color: var(--blue-ink);
}

.page-faq .faq-rail__code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-faq .faq-rail__label {
  overflow-wrap: anywhere;
}

.page-faq .faq-rail__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.76rem;
  color: var(--blue-sub);
}

.page-faq .faq-rail__note {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.75;
  letter-spacing: 0.04em;
  color: var(--blue-sub);
}

/* ===== 关键词过滤 ===== */
.page-faq .faq-tools {
  display: grid;
  gap: 6px;
  margin-bottom: 26px;
  padding: 14px 16px;
  background-color: var(--faq-card);
  border: 1px solid var(--faq-line);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-tools__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--blue-sub);
}

.page-faq .faq-tools__input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-tools__input:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 1px;
  border-color: var(--neon);
}

.page-faq .faq-tools__hint {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--blue-sub);
}

/* ===== 问答组 ===== */
.page-faq .faq-group {
  scroll-margin-top: 124px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 6vw, 64px);
}

.page-faq .faq-group__head {
  margin-bottom: 18px;
}

.page-faq .faq-group__head .coord {
  color: var(--blue-sub);
}

.page-faq .faq-group__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.32rem, 2.6vw, 1.82rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--blue-ink);
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: #3a4750;
}

.page-faq .faq-group__body {
  display: grid;
  gap: 20px;
}

.page-faq .faq-group__list {
  display: grid;
  gap: 10px;
}

/* ===== 折叠问答卡片 ===== */
.page-faq .faq-item {
  background-color: var(--faq-card);
  border: 1px solid var(--faq-line);
  box-shadow: 0 1px 0 rgba(20, 69, 110, 0.05);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--blue-sub);
  box-shadow: 0 1px 0 rgba(20, 69, 110, 0.06), 0 18px 40px -32px rgba(20, 69, 110, 0.7);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: center;
  padding: 14px 15px;
  cursor: pointer;
  list-style: none;
  font-size: 0.93rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

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

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

.page-faq .faq-item__code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--blue-sub);
}

.page-faq .faq-item__text {
  overflow-wrap: anywhere;
}

.page-faq .faq-item__mark {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  text-align: center;
  color: var(--neon);
  transition: transform var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 12px 15px 16px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 37em;
  font-size: 0.89rem;
  line-height: 1.88;
  color: var(--faq-text);
}

.page-faq .faq-item__a .key {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  background-color: rgba(242, 178, 27, 0.28);
  color: var(--ink);
  padding: 0 4px;
  white-space: nowrap;
}

/* ===== 配图 ===== */
.page-faq .faq-group__media {
  margin: 0;
  max-width: 340px;
}

.page-faq .faq-group__media img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 路线链接 ===== */
.page-faq .faq-route {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--faq-line);
  color: var(--blue-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

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

/* ===== 未收录说明 ===== */
.page-faq .faq-miss {
  padding: clamp(40px, 7vw, 76px) 0;
  background-color: var(--indigo);
  color: var(--paper);
}

.page-faq .faq-miss__inner {
  display: grid;
  justify-items: start;
  gap: 14px;
}

.page-faq .faq-miss__band {
  display: inline-block;
  padding: 5px 10px;
  background-color: var(--warn);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
}

.page-faq .faq-miss h2 {
  margin: 0;
  font-size: clamp(1.28rem, 2.8vw, 2rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: 0.04em;
  color: #fff;
}

.page-faq .faq-miss p {
  margin: 0;
  max-width: 38em;
  font-size: 0.9rem;
  line-height: 1.9;
  color: rgba(244, 241, 234, 0.76);
}

.page-faq .faq-miss .faq-miss__meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--yellow);
  overflow-wrap: anywhere;
}

.page-faq .faq-miss .btn {
  margin-top: 6px;
}

/* ===== 断点 ===== */
@media (min-width: 760px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item__a {
    padding-left: 51px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__collage {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }

  .page-faq .faq-item__q {
    grid-template-columns: 30px minmax(0, 1fr) 18px;
    padding: 16px 18px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-group--with-media .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-group__media {
    max-width: 236px;
  }

  .page-faq .faq-group__media img {
    max-height: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark,
  .page-faq .faq-item,
  .page-faq .faq-rail__link,
  .page-faq .faq-route {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__mark {
    transform: none;
  }
}
<<<END>>>