.page-faq {
  --faq-panel: rgba(14, 22, 48, 0.72);
  --faq-line: rgba(30, 42, 74, 0.9);
  --faq-glow-green: rgba(61, 224, 168, 0.14);
  --faq-glow-red: rgba(228, 50, 43, 0.12);
  display: block;
  color: var(--silver);
  background: var(--midnight-900);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--topbar-h) + 44px) 0 52px;
  border-bottom: 1px solid var(--blueprint-line);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-faq .faq-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(0.72) contrast(1.06);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 6%, var(--faq-glow-red) 0%, transparent 55%),
    radial-gradient(110% 80% at 90% 96%, var(--faq-glow-green) 0%, transparent 60%),
    linear-gradient(180deg, rgba(7, 11, 24, 0.62) 0%, rgba(7, 11, 24, 0.95) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  max-width: 800px;
}

.page-faq .faq-hero .path-bar {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--silver-dim);
  margin-bottom: 20px;
}

.page-faq .faq-hero .path-bar__value {
  color: var(--maple-red-light);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 40px;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 0 0 18px;
}

.page-faq .faq-hero__lede {
  font-size: 16px;
  line-height: 28px;
  color: var(--silver);
  max-width: 38em;
  margin: 0 0 30px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 检索条 ---------- */
.page-faq .faq-search {
  padding: 26px 0 6px;
  background: linear-gradient(180deg, rgba(14, 22, 48, 0.55) 0%, transparent 100%);
}

.page-faq .faq-search__box {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--maple-red);
  background: var(--faq-panel);
  padding: 18px 20px;
}

.page-faq .faq-search__label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--silver-dim);
  margin-bottom: 10px;
}

.page-faq .faq-search__label .mono {
  color: var(--maple-red-light);
  margin-right: 8px;
}

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(7, 11, 24, 0.7);
  border: 1px solid var(--blueprint-line);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 26px;
  padding: 12px 14px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--silver-dim);
}

.page-faq .faq-search__input:focus {
  border-color: var(--aurora-green);
  box-shadow: 0 0 0 2px rgba(61, 224, 168, 0.22);
}

.page-faq .faq-search__hint {
  font-size: 14px;
  line-height: 22px;
  color: var(--silver-dim);
  margin: 10px 0 0;
}

/* ---------- 锚点导航 ---------- */
.page-faq .faq-anchors {
  position: sticky;
  top: var(--topbar-h);
  z-index: 5;
  background: rgba(7, 11, 24, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--blueprint-line);
}

.page-faq .faq-anchors__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  scrollbar-width: thin;
}

.page-faq .faq-anchors__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 22px;
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--faq-line);
  padding: 7px 12px;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-anchors__item .mono {
  color: var(--maple-red-light);
  font-size: 13px;
}

.page-faq .faq-anchors__item:hover,
.page-faq .faq-anchors__item:focus-visible {
  border-color: var(--maple-red);
  color: var(--paper);
  background: rgba(228, 50, 43, 0.08);
  outline: none;
}

/* ---------- 区块标题 ---------- */
.page-faq .section-head {
  margin-bottom: 30px;
}

.page-faq .section-head__code {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--aurora-green);
  margin-bottom: 12px;
}

.page-faq .section-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 34px;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-faq .section-head__desc {
  font-size: 16px;
  line-height: 28px;
  color: var(--silver-dim);
  max-width: 40em;
  margin: 0;
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  padding: 52px 0 46px;
  background: var(--midnight-900);
}

.page-faq .faq-steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 30px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 20px;
}

.page-faq .faq-step__num {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--maple-red-light);
  margin-bottom: 10px;
}

.page-faq .faq-step.card--green .faq-step__num {
  color: var(--aurora-green);
}

.page-faq .faq-step.card--paper .faq-step__num {
  color: var(--ink);
}

.page-faq .faq-step__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 26px;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-faq .faq-step.card--paper .faq-step__title {
  color: var(--ink);
}

.page-faq .faq-step__text {
  font-size: 15px;
  line-height: 26px;
  margin: 0;
  color: var(--silver);
}

.page-faq .faq-step.card--paper .faq-step__text {
  color: #2A3242;
}

.page-faq .faq-step__text a {
  color: var(--maple-red-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-step.card--paper .faq-step__text a {
  color: #B3221C;
}

.page-faq .faq-steps__figure {
  margin: 0;
}

.page-faq .faq-steps__figure .img-frame {
  display: block;
  width: 100%;
}

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

.page-faq .img-frame__caption {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--silver-dim);
  margin-top: 10px;
}

/* ---------- 色带 ---------- */
.page-faq .color-band {
  height: 6px;
  background: linear-gradient(90deg, var(--maple-red) 0%, var(--aurora-green) 100%);
}

.page-faq .color-band--soft {
  background: linear-gradient(90deg, var(--aurora-green) 0%, var(--maple-red) 100%);
  opacity: 0.6;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-groups {
  padding: 52px 0 52px;
  background:
    radial-gradient(90% 60% at 100% 0%, rgba(28, 127, 99, 0.1) 0%, transparent 60%),
    var(--midnight-900);
}

.page-faq .faq-group {
  margin-top: 8px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 18px 0 14px;
  border-bottom: 1px solid var(--blueprint-line);
}

.page-faq .faq-group__code {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-size: 15px;
  color: var(--midnight-900);
  background: var(--aurora-green);
  font-weight: 700;
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 28px;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-group__count {
  flex: 0 0 auto;
  font-family: var(--font-mono);
}

.page-faq .faq-group__toggle {
  flex: 0 0 auto;
}

.page-faq .faq-group__list {
  padding-top: 4px;
}

.page-faq .divider {
  margin: 30px 0;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid rgba(30, 42, 74, 0.6);
  border-left: 2px solid transparent;
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--aurora-green);
  background: rgba(61, 224, 168, 0.05);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  padding: 16px 12px;
  font-size: 16px;
  line-height: 26px;
  color: var(--paper);
  font-weight: 700;
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--aurora-green);
  background: rgba(61, 224, 168, 0.04);
  outline: none;
}

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

.page-faq .faq-item__arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 24px;
  color: var(--silver-dim);
  transition: transform 220ms var(--ease), color 220ms var(--ease);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(45deg);
  color: var(--aurora-green);
}

.page-faq .faq-item__a {
  padding: 0 12px 18px;
  max-width: 62ch;
}

.page-faq .faq-item__a p {
  font-size: 15px;
  line-height: 27px;
  color: var(--silver);
  margin: 0 0 10px;
}

.page-faq .faq-item__meta {
  font-size: 13px;
  line-height: 22px;
  color: var(--silver-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  margin: 0;
}

.page-faq .faq-item__meta a {
  color: var(--maple-red-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item.is-hidden {
  display: none;
}

.page-faq .faq-group.is-empty .faq-group__list::after {
  content: "这一组里没有匹配的问题，换个词试试。";
  display: block;
  padding: 18px 12px;
  font-size: 14px;
  color: var(--silver-dim);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  padding: 52px 0 60px;
  background: var(--midnight-700);
  border-top: 1px solid var(--blueprint-line);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 26px;
}

.page-faq .faq-contact__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
}

.page-faq .faq-contact__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver-dim);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 24px;
  color: var(--paper);
  margin: 0;
  word-break: break-all;
}

.page-faq .faq-contact__value--long {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 24px;
}

.page-faq .faq-contact__card .copy-btn {
  align-self: flex-start;
}

.page-faq .faq-contact__note {
  font-size: 15px;
  line-height: 27px;
  color: var(--silver-dim);
  max-width: 52em;
  margin: 0 0 26px;
  padding-left: 16px;
  border-left: 2px solid var(--aurora-deep);
}

.page-faq .faq-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__title {
    font-size: 36px;
    line-height: 48px;
  }

  .page-faq .section-head__title {
    font-size: 27px;
    line-height: 38px;
  }

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

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

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: calc(var(--topbar-h) + 68px) 0 80px;
  }

  .page-faq .faq-hero__title {
    font-size: 44px;
    line-height: 56px;
  }

  .page-faq .section-head__title {
    font-size: 28px;
    line-height: 36px;
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-steps__grid .faq-step:nth-child(2) {
    transform: translateY(14px);
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-group__list {
    padding-left: 42px;
  }

  .page-faq .faq-item__q {
    padding-left: 0;
    padding-right: 0;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .page-faq .faq-item__a {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__arrow,
  .page-faq .faq-anchors__item {
    transition: none;
  }
}
<<<END>>>