.page-faq .breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 10px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-soft);
}

.page-faq .breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 20px 0 44px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30px -6% auto -6%;
  height: 74%;
  z-index: -2;
  background:
    linear-gradient(118deg, rgba(14, 90, 138, 0.62) 0%, rgba(6, 26, 43, 0) 68%),
    linear-gradient(2deg, rgba(47, 240, 208, 0.14) 0%, rgba(255, 107, 74, 0.12) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(47, 240, 208, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 240, 208, 0.09) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 72%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-hero__copy h1 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

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

/* ---------- 上手三步：阶梯节点 ---------- */
.page-faq .faq-start {
  padding-top: 46px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: step;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface-2) 0%, rgba(6, 26, 43, 0.4) 100%);
  box-shadow: var(--shadow-1);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 42px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(47, 240, 208, 0));
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-cyan);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-step__no {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-step h3 {
  margin: 10px 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-step p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-step__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 208, 0.4);
  padding-bottom: 2px;
}

.page-faq .faq-step__link:hover,
.page-faq .faq-step__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 分类标签带 ---------- */
.page-faq .faq-tags {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 6px 2px 18px;
  margin-top: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tags .tag {
  flex: 0 0 auto;
  text-decoration: none;
  white-space: nowrap;
}

.page-faq .faq-tags .tag:hover,
.page-faq .faq-tags .tag:focus-visible {
  filter: brightness(1.18);
}

/* ---------- 主体：索引 + 问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding-bottom: 20px;
}

.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--text-soft);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index__list a .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-soft);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--bone);
  border-left-color: var(--cyan);
  background: rgba(47, 240, 208, 0.07);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-cards {
  display: grid;
  gap: 52px;
  min-width: 0;
}

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

.page-faq .faq-group__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  margin-top: 4px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(21px, 4.4vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-group__lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-faq .faq-group__grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

/* 问答卡片（details 手风琴） */
.page-faq .faq-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(8, 36, 58, 0.55);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-card:hover {
  border-color: var(--line);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-card[open] {
  border-color: var(--line-cyan);
  background: rgba(14, 90, 138, 0.2);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-card > summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--bone);
}

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

.page-faq .faq-card > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-card__sign {
  flex: 0 0 auto;
  font-size: 17px;
  line-height: 1.4;
  color: var(--cyan);
  transition: transform 0.22s var(--ease);
}

.page-faq .faq-card[open] .faq-card__sign {
  transform: rotate(45deg);
}

.page-faq .faq-card__a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

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

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

.page-faq .faq-card__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 208, 0.4);
}

.page-faq .faq-card__a a:hover,
.page-faq .faq-card__a a:focus-visible {
  color: var(--cyan-soft);
}

/* 图例图 */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(8, 36, 58, 0.85), rgba(6, 26, 43, 0.6));
  padding: 12px;
}

.page-faq .faq-figure .media {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-key {
  list-style: none;
  margin: 12px 0 2px;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
}

.page-faq .faq-key li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-faq .faq-key__dot {
  width: 14px;
  height: 8px;
  border-radius: 2px;
  flex: 0 0 auto;
}

.page-faq .faq-key__dot--gold {
  background: var(--gold);
}

.page-faq .faq-key__dot--coral {
  background: var(--coral);
}

.page-faq .faq-key__dot--moss {
  background: var(--moss);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-help {
  padding-top: 54px;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 24px;
  padding: 26px 22px;
  background:
    linear-gradient(140deg, rgba(14, 90, 138, 0.34) 0%, rgba(6, 26, 43, 0.7) 62%),
    var(--deep-2);
  overflow: hidden;
}

.page-faq .faq-help__copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-help__copy p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-faq .faq-help__hours {
  color: var(--text-soft);
  font-size: 14px;
}

.page-faq .faq-help__contact {
  padding: 20px 18px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background: rgba(6, 26, 43, 0.6);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-help__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--moss);
}

.page-faq .faq-help__mail {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-help__tip {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-faq .faq-step:nth-child(2) {
    margin-top: 34px;
  }

  .page-faq .faq-step:nth-child(3) {
    margin-top: 68px;
  }

  .page-faq .faq-group__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 16px;
  }

  .page-faq .faq-group__grid > :nth-child(even) {
    margin-top: 32px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 28px 0 60px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
    gap: 34px;
    padding: 34px 30px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 46px;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-faq .faq-cards {
    gap: 62px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-card,
  .page-faq .faq-card__sign,
  .page-faq .faq-index__list a {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-step:focus-within {
    transform: none;
  }
}