.page-faq {
  --faq-rail: 220px;
  --faq-glow: rgba(63, 224, 208, 0.16);
  --faq-warm: rgba(255, 138, 61, 0.14);
  color: var(--text);
}

.page-faq .breadcrumb {
  margin-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
  padding: clamp(24px, 5vw, 48px) clamp(18px, 3vw, 38px) clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(680px 320px at 12% -10%, var(--faq-glow), transparent 70%),
    radial-gradient(520px 300px at 96% 8%, var(--faq-warm), transparent 72%),
    linear-gradient(165deg, var(--surface) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero .index-line {
  color: var(--gold);
  margin-bottom: 14px;
}

.page-faq .faq-hero h1 {
  max-width: 15em;
  font-size: clamp(30px, 7vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-faq .faq-hero .lead {
  max-width: 36em;
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(7, 19, 32, 0.5);
}

.page-faq .faq-chip--cyan {
  color: var(--cyan);
  border-color: rgba(63, 224, 208, 0.45);
}

.page-faq .faq-chip--orange {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.45);
}

.page-faq .faq-chip--coral {
  color: var(--coral);
  border-color: rgba(255, 107, 107, 0.45);
}

/* 快速定位条 */
.page-faq .faq-jump {
  margin: clamp(18px, 3vw, 30px) 0 clamp(26px, 4vw, 44px);
  padding: 14px 14px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 41, 61, 0.82), rgba(12, 30, 46, 0.6));
}

.page-faq .faq-jump__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.page-faq .faq-jump__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-jump__note {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

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

.page-faq .faq-jump__link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  white-space: nowrap;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 13px;
  scroll-snap-align: start;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-jump__link .mono {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--text);
  border-color: rgba(63, 224, 208, 0.55);
  transform: translateY(-1px);
}

/* 布局 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

/* 左侧索引 */
.page-faq .faq-index {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(12, 30, 46, 0.55);
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0 9px 14px;
  margin-left: -1px;
  border-left: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__num {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-group__num {
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-group--alert .faq-group__num {
  color: var(--coral);
}

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

.page-faq .faq-group__title {
  font-size: clamp(19px, 3.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-faq .faq-group__desc {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

/* 图片 */
.page-faq .media {
  margin: 18px 0 4px;
}

.page-faq .media__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-faq .media__caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* 问答 */
.page-faq .qa {
  scroll-margin-top: 96px;
  margin-top: 10px;
}

.page-faq .qa__box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 41, 61, 0.5), rgba(12, 30, 46, 0.34));
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa__box:hover {
  border-color: rgba(63, 224, 208, 0.42);
  transform: translateY(-2px);
}

.page-faq .qa__box[open] {
  border-color: rgba(63, 224, 208, 0.34);
  background: linear-gradient(180deg, rgba(19, 41, 61, 0.72), rgba(12, 30, 46, 0.5));
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .qa__text {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .qa__q::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
  border-radius: var(--radius);
}

.page-faq .qa__body {
  margin: 0 16px 16px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.page-faq .qa__row {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .qa__key {
  display: inline-block;
  margin-right: 8px;
  padding: 0 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  vertical-align: 1px;
}

.page-faq .qa__row--act .qa__key {
  color: var(--cyan);
  border-color: rgba(63, 224, 208, 0.45);
}

/* 对照表 */
.page-faq .faq-map {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-map__row {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 10px;
  padding: 9px 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .faq-map__row:first-child {
  border-top: 0;
}

.page-faq .faq-map__row--head {
  background: rgba(19, 41, 61, 0.7);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-map__row span:last-child {
  color: var(--cyan);
}

.page-faq .faq-map__row--head span:last-child {
  color: var(--muted);
}

/* 分隔带 */
.page-faq .faq-band {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 26px 0 22px;
  padding: 13px 16px;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, rgba(23, 50, 75, 0.85), rgba(12, 30, 46, 0.4));
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-band__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

/* 联系块 */
.page-faq .faq-help {
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid rgba(255, 138, 61, 0.32);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(520px 260px at 88% -20%, rgba(255, 138, 61, 0.18), transparent 70%),
    linear-gradient(160deg, var(--surface) 0%, var(--ink-800) 70%, var(--ink-900) 100%);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-help__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-help__title {
  font-size: clamp(20px, 3.6vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-help__desc {
  margin-top: 10px;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-help__card {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 19, 32, 0.55);
}

.page-faq .faq-help__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-help__label--wide {
  margin-top: 22px;
  margin-bottom: 10px;
}

.page-faq .faq-help__value {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-all;
}

.page-faq .faq-help__note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-help__note--wide {
  margin-top: 12px;
  font-size: 13px;
  max-width: 42em;
}

.page-faq .faq-help__subjects {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-subject {
  padding: 10px 14px;
  border: 1px dashed rgba(255, 138, 61, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(255, 138, 61, 0.07);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-word;
}

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

@media (min-width: 640px) {
  .page-faq .faq-jump__list {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 4px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa__row {
    font-size: 15px;
  }

  .page-faq .faq-map__row {
    font-size: 14px;
    padding: 10px 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 52px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding: 18px 16px;
  }

  .page-faq .faq-hero h1 {
    max-width: 13em;
  }

  .page-faq .media {
    margin-top: 22px;
  }
}

@media (min-width: 1180px) {
  .page-faq {
    --faq-rail: 250px;
  }

  .page-faq .qa__q {
    padding: 16px 20px;
  }

  .page-faq .qa__body {
    margin: 0 20px 20px;
    padding-left: 14px;
  }

  .page-faq .qa__text {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__box,
  .page-faq .qa__q::after,
  .page-faq .faq-jump__link,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .qa__box:hover,
  .page-faq .faq-jump__link:hover {
    transform: none;
  }
}
<<<END>>>