.page-faq {
  --faq-space: clamp(52px, 8vw, 104px);
  --faq-radius: 14px;
  color: var(--c-ink);
  background:
    radial-gradient(circle at 92% 2%, rgba(57, 230, 207, 0.09), transparent 44%),
    radial-gradient(circle at 4% 26%, rgba(255, 122, 47, 0.06), transparent 38%);
  padding-bottom: var(--faq-space);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(92px, 12vw, 142px);
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  max-width: 60rem;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6vw, 3.9rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.page-faq .faq-hero__mark {
  color: var(--c-orange-lift);
  position: relative;
  white-space: nowrap;
}

.page-faq .faq-hero__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-orange), transparent);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(0.96rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.page-faq .faq-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 6px 0 0;
  padding: 0;
  font-size: 0.84rem;
  color: var(--c-muted);
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--c-line);
}

.page-faq .faq-hero__meta li:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-faq .faq-hero__meta .numeric {
  color: var(--c-cyan);
  font-size: 0.94rem;
  letter-spacing: 0.02em;
}

/* ---------- 快速索引胶囊 ---------- */
.page-faq .faq-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px;
  margin-bottom: clamp(8px, 2vw, 20px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: rgba(12, 42, 34, 0.78);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  scrollbar-width: none;
}

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

.page-faq .faq-index__pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: rgba(18, 59, 48, 0.66);
  color: var(--c-ink-soft);
  font-size: 0.87rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-index__pill:hover {
  color: var(--c-ink);
  border-color: var(--c-line-strong);
  transform: translateY(-1px);
}

.page-faq .faq-index__pill:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

.page-faq .faq-index__pill[aria-current="true"] {
  background: var(--c-cyan-soft);
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-faq .faq-index__pill[aria-current="true"] .faq-index__num {
  color: var(--c-cyan);
}

/* ---------- 章节外壳 ---------- */
.page-faq .faq-section {
  padding-top: clamp(38px, 6vw, 74px);
  scroll-margin-top: clamp(72px, 9vw, 104px);
}

.page-faq .faq-section h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.42rem, 3.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  max-width: 24em;
  text-wrap: balance;
}

.page-faq .faq-section__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 11px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .faq-section__desc {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.94rem, 1.4vw, 1rem);
  line-height: 1.78;
  color: var(--c-ink-soft);
}

/* ---------- 收藏三步 ---------- */
.page-faq .faq-collect {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 24px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 50px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-line-strong), rgba(43, 76, 64, 0));
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-line-strong);
  border-radius: 50%;
  background: var(--c-panel);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-step__body h3 {
  margin: 9px 0 6px;
  font-size: clamp(0.98rem, 1.7vw, 1.1rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--c-muted);
}

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

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

/* ---------- 维护提示 ---------- */
.page-faq .faq-maintenance__layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-notice {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: flex-start;
  margin-bottom: 18px;
  padding: 14px 18px;
  border: 1px solid rgba(242, 181, 68, 0.38);
  border-left: 3px solid var(--c-amber);
  border-radius: var(--r-md);
  background: var(--c-amber-soft);
}

.page-faq .faq-notice .notice__label {
  flex: 0 0 auto;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-faq .faq-notice p {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

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

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 7px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(12, 42, 34, 0.92), rgba(12, 42, 34, 0.55));
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--c-ink-soft);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-checklist li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 2px;
  background: var(--c-cyan);
}

.page-faq .faq-checklist li:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-1px);
}

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

/* ---------- 订阅入口 ---------- */
.page-faq .faq-route-panel {
  position: relative;
  overflow: hidden;
  margin-top: clamp(20px, 3vw, 28px);
  padding: clamp(22px, 3.6vw, 38px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, var(--c-orange-soft), transparent 56%),
    var(--c-panel);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-route-panel__label {
  display: inline-block;
  margin: 0 0 16px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-orange-lift);
}

.page-faq .faq-route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-route__node {
  padding: 8px 14px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-pill);
  background: rgba(6, 24, 19, 0.62);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--c-ink-soft);
}

.page-faq .faq-route__node--end {
  border-color: var(--c-orange);
  background: var(--c-orange-soft);
  color: var(--c-orange-lift);
}

.page-faq .faq-route__arrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-muted);
}

.page-faq .faq-route-panel__note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--c-ink-soft);
}

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

/* ---------- 数据面板五类信息 ---------- */
.page-faq .faq-fields {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-field {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 16px 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18, 59, 48, 0.7), rgba(12, 42, 34, 0.48));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.page-faq .faq-field:hover {
  transform: translateY(-3px);
  border-color: var(--c-line-strong);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-field__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-faq .faq-field__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--c-ink);
}

.page-faq .faq-field p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.66;
  color: var(--c-muted);
}

.page-faq .faq-lookup__note {
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--c-cyan);
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--c-ink-soft);
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-card {
  display: grid;
  gap: 7px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-contact-card:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-contact-card__label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .faq-contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 1.8vw, 1.06rem);
  line-height: 1.5;
  color: var(--c-cyan);
  word-break: break-word;
}

.page-faq .faq-contact-card__value a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-contact-card__value a:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 常见问题手风琴 ---------- */
.page-faq .faq-section--more {
  padding-top: clamp(46px, 7vw, 86px);
}

.page-faq .faq-acc-list {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-acc {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(12, 42, 34, 0.56);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-acc + .faq-acc {
  margin-top: 10px;
}

.page-faq .faq-acc[open] {
  border-color: var(--c-line-strong);
  background: rgba(18, 59, 48, 0.56);
}

.page-faq .faq-acc__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(0.92rem, 1.5vw, 1rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-ink);
}

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

.page-faq .faq-acc__head:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-faq .faq-acc__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-faq .faq-acc__icon::before,
.page-faq .faq-acc__icon::after {
  content: "";
  position: absolute;
  border-radius: 1px;
  background: var(--c-cyan);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-acc__icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-acc__icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-acc[open] .faq-acc__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-acc__body {
  padding: 0 18px 18px;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--c-muted);
}

.page-faq .faq-acc__body p {
  margin: 0;
}

.page-faq .faq-more__links {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .faq-more__links a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-more__links a:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-collect {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-faq .faq-maintenance__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-fields {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__pill,
  .page-faq .faq-field,
  .page-faq .faq-checklist li,
  .page-faq .faq-contact-card,
  .page-faq .faq-acc__icon::before,
  .page-faq .faq-acc__icon::after {
    transition: none;
  }
}