.page-faq {
  --faq-aside-w: 196px;
  --faq-line: rgba(66, 245, 209, .14);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .faq-crumb {
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(14px, 2.5vw, 26px) 0 clamp(34px, 5vw, 62px);
  background:
    radial-gradient(120% 80% at 88% -18%, rgba(66, 245, 209, .12), transparent 62%),
    linear-gradient(180deg, rgba(16, 56, 46, .55), rgba(6, 26, 21, 0) 76%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(66, 245, 209, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(66, 245, 209, .05) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  opacity: .8;
  z-index: 0;
}

.page-faq .faq-hero > .u-container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-hero__intro h1 {
  margin: 10px 0 0;
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 1.04;
  font-weight: 300;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-h1-em {
  display: block;
  font-weight: 800;
  color: var(--cyan);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-stats {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-stats li {
  background: var(--ink-base);
  padding: 14px 12px;
  display: grid;
  gap: 4px;
}

.page-faq .faq-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 24px);
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-faq .faq-stats__label {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--faq-line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(2, 8, 6, .72);
  border-top: 1px solid var(--faq-line);
  border-right: 1px solid var(--faq-line);
}

/* ---------- 双列选择器 ---------- */
.page-faq .faq-picker {
  display: grid;
  gap: clamp(14px, 2.2vw, 24px);
  margin-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-panel {
  padding: clamp(16px, 2.6vw, 24px);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-panel__title {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-faq .faq-panel__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-panel__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-tagcloud {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.page-faq .faq-panel__link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(66, 245, 209, .34);
  padding-bottom: 2px;
  transition: color .12s var(--ease), border-color .12s var(--ease);
}

.page-faq .faq-panel__link:hover,
.page-faq .faq-panel__link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

.page-faq .faq-types {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-faq .faq-types li + li {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-type {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px 6px 12px 0;
  color: var(--paper);
  text-decoration: none;
  transition: background .12s var(--ease), padding-left .12s var(--ease);
}

.page-faq .faq-type:hover,
.page-faq .faq-type:focus-visible {
  background: var(--cyan-12);
  padding-left: 10px;
}

.page-faq .faq-type__idx {
  font-size: 11px;
  color: var(--gold);
}

.page-faq .faq-type__name {
  font-size: 14.5px;
  letter-spacing: .01em;
}

.page-faq .faq-type__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
  white-space: nowrap;
}

/* ---------- 主体画布 ---------- */
.page-faq .faq-body {
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .faq-sec {
  padding: clamp(34px, 5vw, 64px) 0 0;
  scroll-margin-top: 84px;
}

.page-faq .faq-sec__head {
  max-width: 62ch;
}

.page-faq .faq-sec__head h2 {
  margin: 8px 0 0;
  font-size: clamp(24px, 4.2vw, 40px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-faq .faq-sec__lede {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* 六类分组 */
.page-faq .faq-cats {
  margin-top: clamp(22px, 3.4vw, 36px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-cat {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: 84px;
}

.page-faq .faq-cat__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-cat__idx {
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-cat__count {
  white-space: nowrap;
}

.page-faq .faq-cat__note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 22px;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-cat__qs {
  display: grid;
  gap: 0;
}

/* 折叠问答 */
.page-faq .faq-q {
  border-top: 1px solid rgba(66, 245, 209, .09);
}

.page-faq .faq-q summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 4px 13px 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  transition: color .12s var(--ease);
}

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

.page-faq .faq-q summary::before {
  content: "+";
  flex: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--cyan);
}

.page-faq .faq-q[open] summary::before {
  content: "−";
  color: var(--gold);
}

.page-faq .faq-q summary:hover,
.page-faq .faq-q summary:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-a {
  padding: 0 0 16px 26px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 标签章节 */
.page-faq .faq-tags-layout {
  margin-top: clamp(22px, 3.4vw, 34px);
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(155deg, rgba(16, 56, 46, .72), rgba(10, 36, 29, .45));
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper);
  max-width: 68ch;
}

.page-faq .faq-p--soft {
  margin-top: 14px;
  color: var(--mist);
  font-size: 13.5px;
}

.page-faq .faq-cat-chips {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-cat-chips li {
  flex: 1 1 auto;
  min-width: 84px;
  padding: 9px 10px;
  background: var(--ink-base);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  text-align: center;
}

.page-faq .faq-tagfacts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  align-self: start;
}

.page-faq .faq-tagfacts li {
  background: var(--ink-deep);
  padding: 14px 12px;
  display: grid;
  gap: 4px;
}

.page-faq .faq-tagfacts .num {
  font-size: clamp(20px, 2.8vw, 26px);
  color: var(--gold);
}

.page-faq .faq-tagfacts span:last-child {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* 导出章节 */
.page-faq .faq-figure {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  position: relative;
  border: 1px solid var(--faq-line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-qlist {
  margin-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--faq-line);
}

/* 右侧索引 */
.page-faq .faq-aside {
  display: none;
}

.page-faq .faq-aside__nav {
  display: grid;
  margin-top: 10px;
}

.page-faq .faq-aside__nav a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 9px 0 9px 12px;
  border-left: 1px solid var(--faq-line);
  color: var(--mist);
  font-size: 12.5px;
  text-decoration: none;
  transition: color .12s var(--ease), border-color .12s var(--ease);
}

.page-faq .faq-aside__nav a .num {
  font-size: 10.5px;
  color: var(--gold);
}

.page-faq .faq-aside__nav a:hover,
.page-faq .faq-aside__nav a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
}

.page-faq .faq-aside__meta {
  margin: 16px 0 0;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: .06em;
  color: rgba(155, 201, 190, .7);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding: clamp(34px, 5vw, 66px) 0 clamp(44px, 6vw, 84px);
  background:
    linear-gradient(180deg, rgba(2, 8, 6, .0), rgba(2, 8, 6, .55)),
    radial-gradient(90% 120% at 12% 0%, rgba(66, 245, 209, .08), transparent 60%);
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 84px;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
}

.page-faq .faq-contact h2 {
  margin: 8px 0 0;
  font-size: clamp(24px, 4.2vw, 38px);
  font-weight: 300;
  line-height: 1.18;
}

.page-faq .faq-contact__intro .faq-p {
  margin-top: 14px;
  color: var(--mist);
}

.page-faq .faq-contact__links {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-mailcard {
  padding: clamp(16px, 2.6vw, 24px);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-mailcard__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-mailcode {
  margin: 0;
  padding: 14px;
  background: var(--ink-night);
  border: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  color: var(--cyan);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-faq .faq-mailcard__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
  }

  .page-faq .faq-picker {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-faq .faq-cat {
    grid-template-columns: minmax(200px, 268px) minmax(0, 1fr);
    column-gap: clamp(20px, 3.4vw, 48px);
    align-items: start;
  }

  .page-faq .faq-cat__head {
    align-content: start;
  }

  .page-faq .faq-cat__qs {
    border-top: 1px solid rgba(66, 245, 209, .09);
  }

  .page-faq .faq-tags-layout {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 260px);
    align-items: start;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--faq-aside-w);
    column-gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-aside {
    display: block;
    position: sticky;
    top: 88px;
    align-self: start;
    padding-top: clamp(34px, 5vw, 64px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-type,
  .page-faq .faq-panel__link,
  .page-faq .faq-aside__nav a,
  .page-faq .faq-q summary {
    transition: none;
  }
}
<<<END>>>