.page-faq {
  --faq-side: 258px;
  --faq-gap: clamp(22px, 3.2vw, 56px);
  background: var(--void-navy);
  color: var(--ice-white);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3.4vw, 38px) clamp(30px, 5vw, 60px);
  border-bottom: var(--hairline);
  background:
    radial-gradient(115% 145% at 92% 2%, rgba(255, 138, 30, 0.16) 0%, rgba(5, 8, 20, 0) 56%),
    radial-gradient(85% 120% at 4% 100%, rgba(43, 240, 200, 0.09) 0%, rgba(5, 8, 20, 0) 62%),
    var(--void-navy);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 42%;
  right: -12%;
  bottom: 16%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-blue) 40%, rgba(255, 138, 30, 0.55));
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel-mist);
}

.page-faq .faq-hero__title {
  margin: clamp(8px, 1.6vw, 16px) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 12vw, 104px);
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--ice-white);
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: clamp(56px, 12vw, 124px);
  height: 4px;
  margin-top: clamp(10px, 1.8vw, 18px);
  background: linear-gradient(90deg, var(--molten-gold), var(--amber-light) 58%, transparent);
}

.page-faq .faq-hero__lead {
  position: relative;
  z-index: 1;
  max-width: 64ch;
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: var(--steel-mist);
}

.page-faq .faq-jump {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 30px);
  max-width: 920px;
}

.page-faq .faq-jump__label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--molten-gold);
}

.page-faq .faq-jump__chip {
  display: inline-block;
  padding: 8px 14px;
  border: var(--hairline);
  border-radius: 999px;
  background: rgba(17, 29, 66, 0.72);
  color: var(--steel-mist);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-jump__chip:hover,
.page-faq .faq-jump__chip:focus-visible {
  color: var(--void-navy);
  background: var(--molten-gold);
  border-color: var(--molten-gold);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-map {
  padding-block: clamp(34px, 5.5vw, 72px);
  border-bottom: var(--hairline);
  background: linear-gradient(180deg, rgba(10, 18, 48, 0.5) 0%, rgba(5, 8, 20, 0) 100%);
}

.page-faq .faq-map__inner {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .faq-map__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--molten-gold);
}

.page-faq .faq-map__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--ice-white);
}

.page-faq .faq-map__lead {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel-mist);
}

.page-faq .faq-cats {
  margin-top: clamp(18px, 3vw, 28px);
  border-top: var(--hairline);
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 6px;
  border-bottom: var(--hairline);
  color: var(--ice-white);
  text-decoration: none;
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: rgba(17, 29, 66, 0.9);
  padding-left: 14px;
}

.page-faq .faq-cat__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--molten-gold);
  white-space: nowrap;
}

.page-faq .faq-cat__body strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-cat__body span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel-mist);
}

.page-faq .faq-cat__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--line-blue);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-cat:hover .faq-cat__arrow {
  color: var(--cyan);
}

.page-faq .faq-map__figure {
  margin: 0;
  border: var(--hairline);
  border-radius: var(--radius);
  background: var(--deep-space);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-faq .faq-map__cap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-top: var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel-mist);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-block: clamp(34px, 5vw, 72px);
}

.page-faq .faq-body__inner {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel-mist);
}

.page-faq .faq-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-side__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-side__link {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  border: var(--hairline);
  border-radius: 999px;
  font-size: 13px;
  color: var(--steel-mist);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--ice-white);
  border-color: var(--molten-gold);
}

.page-faq .faq-side__note {
  display: none;
  margin: 0;
  padding: 16px;
  border: var(--hairline);
  border-left: 2px solid var(--molten-gold);
  background: rgba(17, 29, 66, 0.55);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--steel-mist);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 68px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line-blue);
}

.page-faq .faq-group__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--molten-gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ice-white);
}

.page-faq .faq-group__note {
  flex-basis: 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-mist);
}

/* ---------- 问答 ---------- */
.page-faq .qa {
  border-bottom: var(--hairline);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ice-white);
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--amber-light);
}

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.35;
  color: var(--molten-gold);
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(135deg);
  color: var(--cyan);
}

.page-faq .qa__a {
  padding: 0 30px 18px 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel-mist);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

.page-faq .qa__a strong {
  color: var(--ice-white);
  font-weight: 700;
}

.page-faq .qa__a a {
  color: var(--amber-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 196, 107, 0.45);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .qa__a a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: 4px;
}

.page-faq .faq-hot__figure {
  margin: 0;
  align-self: start;
  border: var(--hairline);
  border-radius: var(--radius);
  background: var(--deep-space);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-faq .faq-hot__cap {
  padding: 10px 12px;
  border-top: var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel-mist);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  margin-top: 6px;
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(255, 138, 30, 0.14) 0%, rgba(5, 8, 20, 0) 46%),
    var(--deep-space);
}

.page-faq .faq-support__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

.page-faq .faq-support__lead {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel-mist);
}

.page-faq .faq-support__list {
  display: grid;
  gap: 10px;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: var(--hairline);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-support__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel-mist);
}

.page-faq .faq-support__v {
  color: var(--ice-white);
  word-break: break-word;
}

.page-faq .faq-support__tel {
  color: var(--amber-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 196, 107, 0.45);
}

.page-faq .faq-support__tel:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 24px);
}

.page-faq .faq-support__actions .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-support__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-faq .qa__a {
    padding-right: 46px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-map__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-faq .faq-hero__lead {
    max-width: 58ch;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__inner {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-side__list {
    display: block;
    padding: 0;
    overflow: visible;
    border-left: 1px solid var(--line-blue);
  }

  .page-faq .faq-side__list li + li {
    margin-top: 0;
  }

  .page-faq .faq-side__link {
    padding: 10px 0 10px 16px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible {
    border-left-color: var(--molten-gold);
    color: var(--ice-white);
  }

  .page-faq .faq-side__note {
    display: block;
    margin-top: 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hot {
    grid-template-columns: minmax(0, 1fr) 236px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q::after,
  .page-faq .faq-cat,
  .page-faq .faq-jump__chip,
  .page-faq .faq-side__link {
    transition: none;
  }
}
<<<END>>>