.page-faq {
  --faq-rail: 2px;
  --faq-gap: clamp(16px, 3vw, 32px);
  display: block;
  background: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 18px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text);
}
.page-faq .crumbs a.crumbs__item {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-faq .crumbs a.crumbs__item:hover,
.page-faq .crumbs a.crumbs__item:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 52px) 0 clamp(34px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(47, 224, 138, .16), transparent 58%),
    radial-gradient(90% 78% at 0% 100%, rgba(18, 58, 51, .55), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 49, 56, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 49, 56, .4) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 88%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 88%);
}
.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: end;
}
.page-faq .faq-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--yellow);
}
.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-size: clamp(2.15rem, 7.4vw, 4.6rem);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--white);
}
.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 40ch;
  font-size: clamp(.98rem, 1.6vw, 1.06rem);
  line-height: 1.75;
  color: var(--text);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-hero__panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(27, 32, 39, .92), rgba(16, 19, 24, .92));
  box-shadow: var(--shadow);
  padding: 18px clamp(14px, 2.4vw, 22px) 20px;
}
.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text);
}
.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
}
.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.page-faq .faq-hero__stat-value {
  font-family: var(--mono);
  font-size: clamp(1.4rem, 3.4vw, 1.85rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  color: var(--yellow);
  line-height: 1.1;
}
.page-faq .faq-hero__stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
}

/* ---------- 分类工具栏 ---------- */
.page-faq .faq-toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(16, 19, 24, .95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-toolbar__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.page-faq .faq-search {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-faq .faq-search__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text);
}
.page-faq .faq-search__input {
  width: 100%;
  min-width: 0;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--white);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.4;
}
.page-faq .faq-search__input::placeholder {
  color: rgba(199, 206, 214, .62);
}
.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--yellow);
  box-shadow: 0 0 0 1px rgba(233, 255, 60, .35);
}
.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .filter-chip {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 7px 11px;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.page-faq .filter-chip:hover {
  border-color: var(--yellow-soft);
  color: var(--white);
}
.page-faq .filter-chip[aria-pressed="true"] {
  background: var(--yellow-soft);
  border-color: var(--yellow-soft);
  color: #101318;
  font-weight: 700;
}
.page-faq .filter-chip:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-body {
  padding-bottom: clamp(40px, 6vw, 80px);
}
.page-faq .faq-section {
  padding: clamp(36px, 5.5vw, 68px) 0 clamp(24px, 3.5vw, 40px);
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.page-faq .faq-section__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--yellow);
}
.page-faq .faq-section__label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red);
}
.page-faq .faq-section__title {
  margin: 0 0 10px;
  font-size: clamp(1.42rem, 3.4vw, 2.25rem);
  font-weight: 250;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--white);
}
.page-faq .faq-section__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.page-faq .faq-section__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page-faq .faq-item {
  border-top: 1px solid var(--line);
  border-left: var(--faq-rail) solid var(--line);
  padding-left: clamp(10px, 1.8vw, 18px);
  background: linear-gradient(90deg, rgba(27, 32, 39, .45), rgba(27, 32, 39, 0) 72%);
  transition: border-color .18s ease, background-color .18s ease;
}
.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-item[open] {
  border-left-color: var(--yellow);
  background: linear-gradient(90deg, rgba(233, 255, 60, .07), rgba(27, 32, 39, 0) 72%);
}
.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
  border-color: var(--yellow);
}
.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px 12px;
  align-items: baseline;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
}
.page-faq .faq-item__num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--yellow);
}
.page-faq .faq-item__q {
  font-size: clamp(1rem, 1.8vw, 1.08rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}
.page-faq .faq-item__mark {
  position: relative;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-right: 1px solid var(--text);
  border-bottom: 1px solid var(--text);
  transform: rotate(-45deg);
  transition: transform .18s ease, border-color .18s ease;
}
.page-faq .faq-item__answer {
  padding: 0 0 20px;
  max-width: 42em;
}
.page-faq .faq-item__answer p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}
.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}

/* ---------- 字段小表 ---------- */
.page-faq .faq-fields {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  font-size: 13px;
}
.page-faq .faq-fields__caption {
  text-align: left;
  padding-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}
.page-faq .faq-fields th,
.page-faq .faq-fields td {
  text-align: left;
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
.page-faq .faq-fields th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text);
  white-space: nowrap;
}
.page-faq .faq-fields td {
  color: var(--text);
}
.page-faq .faq-fields td.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--yellow-soft);
  white-space: nowrap;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  min-width: 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
  border-left: 2px solid var(--green);
  padding-left: 10px;
}

/* ---------- 勘误四步流程 ---------- */
.page-faq .faq-flow {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-faq .faq-flow__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(27, 32, 39, .9), rgba(16, 19, 24, .9));
  box-shadow: var(--shadow);
  min-width: 0;
}
.page-faq .faq-flow__step:hover {
  border-color: var(--yellow);
}
.page-faq .faq-flow__index {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--yellow);
}
.page-faq .faq-flow__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
.page-faq .faq-flow__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-next-section {
  padding: clamp(36px, 5vw, 60px) 0 0;
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  text-decoration: none;
  border: 1px solid var(--line);
  transition: transform .18s ease, border-color .18s ease;
}
.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--yellow);
}
.page-faq .faq-next__card .card__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yellow);
}
.page-faq .faq-next__card .card__title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}
.page-faq .faq-next__card .card__body {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-section__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 20px;
  }
  .page-faq .faq-section__num {
    padding-top: 6px;
  }
  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
  .page-faq .faq-flow__step::after {
    content: "";
    position: absolute;
    top: 30px;
    right: -18px;
    width: 18px;
    height: 1px;
    background: var(--line);
  }
  .page-faq .faq-flow__step:last-child::after {
    display: none;
  }
  .page-faq .faq-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-fields th,
  .page-faq .faq-fields td {
    padding: 9px 14px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-faq .faq-toolbar {
    top: var(--hdr-h);
  }
  .page-faq .faq-toolbar__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  .page-faq .faq-search {
    flex: 1 1 320px;
    max-width: 420px;
  }
  .page-faq .faq-section__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 44px);
  }
  .page-faq .faq-section__body--wide-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .faq-section__body--figure-first {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.6fr);
  }
  .page-faq .faq-figure {
    position: sticky;
    top: calc(var(--hdr-h) + 96px);
  }
  .page-faq .faq-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-hero__panel {
    padding: 22px 24px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-chip,
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-next__card {
    transition: none;
  }
  .page-faq .faq-next__card:hover {
    transform: none;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>