.page-faq {
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(198, 242, 78, .09) 0%, rgba(198, 242, 78, 0) 58%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 100%);
  border-bottom: 2px solid var(--line);
  padding: clamp(24px, 5vw, 64px) 0 clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-hero__lead {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-hero__lead .breadcrumbs {
  margin-bottom: 2px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.02;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--cream);
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: rgba(242, 237, 228, .84);
}

.page-faq .faq-hero__tags {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 2px solid var(--moss);
  background: var(--deep-2);
  box-shadow: var(--dark-shadow);
  overflow: hidden;
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  padding-block: var(--pad-y);
  align-items: start;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  border: 2px solid var(--line);
  background: var(--deep);
  padding: 14px 14px 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  white-space: nowrap;
  padding: 9px 12px;
  border: 2px solid transparent;
  border-left: 3px solid var(--moss);
  background: var(--deep-2);
  color: var(--cream);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .16s ease, background .16s ease, color .16s ease;
}

.page-faq .faq-index__list a .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--orange);
  background: var(--deep-2);
  color: var(--lime);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
  word-break: break-word;
}

/* ---------- 右侧问答流 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .qa-group {
  scroll-margin-top: 96px;
  margin-bottom: clamp(34px, 5vw, 60px);
}

.page-faq .qa-group:last-child {
  margin-bottom: 0;
}

.page-faq .qa-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--moss);
  transition: border-color .2s ease;
}

.page-faq .qa-group:target .qa-group__head {
  border-bottom-color: var(--lime);
}

.page-faq .qa-group__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
  border: 1px solid var(--lime);
  padding: 2px 8px;
  line-height: 1.5;
}

.page-faq .qa-group__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .qa-group__note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-faq .qa-group__lead {
  margin: -8px 0 18px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 237, 228, .78);
}

/* ---------- 折叠条目 ---------- */
.page-faq .qa-item {
  border: 2px solid var(--line);
  border-left: 4px solid var(--moss);
  background: var(--deep);
  box-shadow: var(--dark-shadow);
  margin-bottom: 16px;
  transition: border-color .16s ease, background .16s ease;
}

.page-faq .qa-item[open] {
  border-left-color: var(--lime);
  background: var(--deep-2);
}

.page-faq .qa-item summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
}

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

.page-faq .qa-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

.page-faq .qa-item__q {
  font-size: clamp(15px, 1.5vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--cream);
}

.page-faq .qa-item[open] .qa-item__q {
  color: var(--lime);
}

.page-faq .qa-item__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  flex: none;
}

.page-faq .qa-item__mark::before,
.page-faq .qa-item__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
  transition: transform .16s ease, opacity .16s ease;
}

.page-faq .qa-item__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa-item__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .qa-item[open] .qa-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa-item__a {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
}

.page-faq .qa-item__a > p {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 237, 228, .84);
}

/* ---------- 步骤型答案 ---------- */
.page-faq .qa-steps {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.page-faq .qa-steps__row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 237, 228, .84);
}

.page-faq .qa-steps__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime);
}

/* ---------- 图形说明牌 ---------- */
.page-faq .faq-figure {
  margin: 0 0 16px;
  border: 2px solid var(--moss);
  background: var(--deep-2);
  box-shadow: var(--dark-shadow);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--stone);
}

/* ---------- 底部求助 ---------- */
.page-faq .faq-help {
  border: 2px solid var(--lime);
  background:
    linear-gradient(120deg, rgba(198, 242, 78, .10) 0%, rgba(198, 242, 78, 0) 62%),
    var(--deep-2);
  box-shadow: var(--dark-shadow);
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 14px;
}

.page-faq .faq-help h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-help p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 237, 228, .84);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板起：两栏 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .qa-group__note {
    flex: 0 1 auto;
    margin-left: auto;
  }
}

/* ---------- 桌面：sticky 索引 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 248px minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

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

  .page-faq .faq-index__list li + li {
    margin-top: 6px;
  }

  .page-faq .faq-index__list li,
  .page-faq .faq-index__list a {
    white-space: normal;
  }

  .page-faq .faq-index__list a {
    padding: 11px 13px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-body {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 56px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-item,
  .page-faq .qa-item__mark::before,
  .page-faq .qa-item__mark::after,
  .page-faq .faq-index__list a,
  .page-faq .qa-group__head {
    transition: none;
  }
}
</PAGE_CSS>>>