.page-faq {
  --faq-body: rgba(220, 232, 245, 0.8);
  --faq-hair: rgba(42, 82, 124, 0.65);
  --faq-measure: 720px;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq section[id] {
  scroll-margin-top: calc(var(--head-h, 72px) + 20px);
}

.page-faq .breadcrumb {
  padding: 10px 0 4px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 16px 0 44px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 12px 0 16px;
}

.page-faq .faq-lede {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body);
}

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

.page-faq .faq-hero-meta li {
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
}

.page-faq .faq-hero-art {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: var(--deep);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 30px 0 60px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 52px;
  }
}

/* ---------- 分类索引 ---------- */

.page-faq .faq-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tabs > li {
  display: flex;
}

.page-faq .faq-tab {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 7px;
  height: 100%;
  padding: 18px 16px 16px;
  text-decoration: none;
  color: var(--text);
  background: var(--deep);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  border-color: var(--gold);
  background: var(--steel);
  transform: translateY(-2px);
}

.page-faq .faq-tab-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--gold);
}

.page-faq .faq-tab-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-tab-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 560px) {
  .page-faq .faq-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 手风琴分组 ---------- */

.page-faq .faq-group {
  padding: 52px 0;
}

.page-faq .faq-group-head {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-group-title h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-faq .faq-group-title p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-count {
  justify-self: start;
  align-self: start;
  padding: 4px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--jade);
  border: 1px solid rgba(47, 165, 160, 0.45);
  border-radius: 999px;
  white-space: nowrap;
}

@media (min-width: 760px) {
  .page-faq .faq-group-head {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    align-items: start;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group {
    padding: 68px 0;
  }
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 12px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-item-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  transition: color 180ms var(--ease);
}

.page-faq .faq-item-q {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.62;
  color: var(--text);
  transition: color 180ms var(--ease);
}

.page-faq .faq-item summary:hover .faq-item-num,
.page-faq .faq-item summary:hover .faq-item-q {
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-item-num {
  color: var(--gold);
}

.page-faq .faq-item-icon {
  position: relative;
  width: 18px;
  height: 18px;
  justify-self: end;
}

.page-faq .faq-item-icon::before,
.page-faq .faq-item-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--muted);
  transition: transform 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .faq-item-icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item-icon::after {
  transform: rotate(0deg);
}

.page-faq .faq-item[open] .faq-item-icon::before,
.page-faq .faq-item[open] .faq-item-icon::after {
  background: var(--gold);
}

.page-faq .faq-item-a {
  padding: 0 0 20px;
}

.page-faq .faq-item-a p {
  margin: 0;
  max-width: var(--faq-measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-item-a a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
}

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

@media (min-width: 760px) {
  .page-faq .faq-item summary {
    grid-template-columns: 64px minmax(0, 1fr) 20px;
    gap: 16px;
    padding: 20px 0;
  }

  .page-faq .faq-item-a {
    padding-left: 80px;
  }
}

/* ---------- 关键数字 ---------- */

.page-faq .faq-key {
  display: inline-block;
  padding: 0 4px 1px;
  font-family: var(--font-mono);
  font-size: 0.96em;
  font-weight: 500;
  color: var(--gold);
  background: rgba(47, 165, 160, 0.12);
  border-bottom: 1px solid var(--jade);
  border-radius: 2px;
}

/* ---------- 重新登录周期 ---------- */

.page-faq .faq-cycle {
  padding: 52px 0;
  background: var(--deep);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-cycle-art {
  margin: 0 0 30px;
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: var(--ink);
}

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

.page-faq .faq-cycle-copy h2 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.018em;
  color: var(--text);
}

.page-faq .faq-cycle-copy p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-cycle-steps {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-cycle-steps li {
  padding: 18px 18px 16px;
  background: var(--ink);
  border: 1px solid var(--faq-hair);
  border-left: 2px solid var(--jade);
  border-radius: var(--radius);
}

.page-faq .faq-cycle-step-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--jade-light);
}

.page-faq .faq-cycle-steps h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

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

@media (min-width: 820px) {
  .page-faq .faq-cycle {
    padding: 72px 0;
  }

  .page-faq .faq-cycle-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 费用对照读法 ---------- */

.page-faq .faq-fee-body {
  margin-top: 26px;
  max-width: var(--faq-measure);
}

.page-faq .faq-fee-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tier {
  padding: 18px 18px 16px;
  background: var(--steel);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
}

.page-faq .faq-tier-name {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-faq .faq-tier p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}

@media (min-width: 720px) {
  .page-faq .faq-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 反馈通道 ---------- */

.page-faq .faq-help {
  padding: 52px 0 72px;
}

.page-faq .faq-help-card {
  padding: 28px 20px 26px;
  background: var(--deep);
  border: 1px solid var(--faq-hair);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius);
}

.page-faq .faq-help-card h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-faq .faq-help-card > p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-help-list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help-list li {
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  background: var(--ink);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
}

.page-faq .faq-help-k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--jade);
}

.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0 18px;
}

.page-faq .faq-help-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
}

.page-faq .faq-help-note a:hover {
  border-bottom-color: var(--gold);
}

@media (min-width: 760px) {
  .page-faq .faq-help {
    padding: 64px 0 88px;
  }

  .page-faq .faq-help-card {
    padding: 40px 44px 36px;
  }

  .page-faq .faq-help-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .faq-item-num,
  .page-faq .faq-item-q,
  .page-faq .faq-item-icon::before,
  .page-faq .faq-item-icon::after {
    transition: opacity 160ms linear;
  }

  .page-faq .faq-tab:hover,
  .page-faq .faq-tab:focus-visible {
    transform: none;
  }
}