.page-faq {
  --faq-gap: clamp(14px, 2vw, 24px);
  --faq-pad: clamp(40px, 6vw, 84px);
}

.page-faq .container {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(20px, 3vw, 32px) clamp(38px, 6vw, 76px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 86% 8%, rgba(216, 162, 74, 0.18), transparent 58%),
    radial-gradient(circle at 8% 92%, rgba(110, 156, 139, 0.14), transparent 55%),
    repeating-linear-gradient(90deg, rgba(143, 163, 176, 0.08) 0 1px, transparent 1px 104px);
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
  margin-bottom: clamp(18px, 3vw, 32px);
}

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

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

.page-faq .breadcrumb-sep {
  color: var(--stone);
  opacity: 0.7;
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.page-faq .hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .hero-lead .eyebrow {
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(44px, 10vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--paper);
}

.page-faq .faq-hero__title span {
  display: block;
  margin-top: 6px;
  font-size: 0.52em;
  line-height: 1.05;
  color: var(--gold);
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__lede {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  max-width: 36em;
  color: rgba(243, 237, 225, 0.82);
  margin: 0 0 22px;
}

.page-faq .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .hero-actions .btn {
  font-size: 13.5px;
}

.page-faq .hero-index {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(7, 22, 32, 0.62), rgba(7, 22, 32, 0.28));
  box-shadow: var(--shadow-float);
}

.page-faq .hero-index__figure {
  margin: 0;
}

.page-faq .hero-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 9px;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .hero-index__figure .media-caption {
  margin-top: 8px;
  font-family: var(--font-head);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-faq .hero-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .hero-card {
  padding: 13px 14px 14px;
  border: 1px dashed var(--line-dark);
  border-radius: 10px;
  background: rgba(243, 237, 225, 0.05);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .hero-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 162, 74, 0.55);
}

.page-faq .hero-card__num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .hero-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  margin: 5px 0 6px;
  color: var(--paper);
}

.page-faq .hero-card__text {
  font-family: var(--font-body);
  font-size: 12.8px;
  line-height: 1.65;
  color: rgba(243, 237, 225, 0.72);
  margin: 0 0 10px;
}

/* ---------- 六栏目总览 ---------- */
.page-faq .faq-channels {
  background: var(--paper);
  color: var(--text-ink);
  padding-block: var(--faq-pad);
}

.page-faq .section-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .section-head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
}

.page-faq .section-head__text {
  font-family: var(--font-body);
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.8;
  color: rgba(22, 35, 46, 0.74);
  margin: 0;
}

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

.page-faq .channel-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .channel-row--active {
  background: rgba(110, 156, 139, 0.12);
  box-shadow: inset 3px 0 0 var(--celadon);
  padding-inline: 12px 4px;
}

.page-faq .channel-row__idx {
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--clay);
  letter-spacing: 0.06em;
}

.page-faq .channel-row__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.8vw, 18px);
  margin: 0;
  line-height: 1.4;
}

.page-faq .channel-row__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .channel-row__link:hover,
.page-faq .channel-row__link:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.page-faq .channel-row__text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(22, 35, 46, 0.7);
  margin: 6px 0 0;
  max-width: 58ch;
}

.page-faq .channel-row__count {
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--moss);
  white-space: nowrap;
}

/* ---------- 高频问题 ---------- */
.page-faq .faq-list {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--faq-pad);
}

.page-faq .section-head--on-ink h2 {
  color: var(--paper);
}

.page-faq .section-head--on-ink .section-head__text {
  color: rgba(243, 237, 225, 0.74);
}

.page-faq .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .tab {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-dark);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .tab:hover {
  border-color: var(--gold);
  color: var(--gold-soft);
}

.page-faq .tab[aria-selected="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

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

.page-faq .tabpanel {
  border-top: 1px solid var(--line-dark);
}

.page-faq .tabpanel:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 4px;
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .qa__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 38px 16px 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--paper);
  transition: color 160ms var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--gold-soft);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--gold);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
}

.page-faq .qa__a {
  margin: 0;
  padding: 0 0 20px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 237, 225, 0.78);
  max-width: 64ch;
}

.page-faq .qa__a a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三步查信息 ---------- */
.page-faq .faq-steps {
  background: var(--paper);
  color: var(--text-ink);
  padding-block: var(--faq-pad);
}

.page-faq .steps-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 48px);
  align-items: start;
}

.page-faq .steps-figure {
  margin: 0;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-card);
  padding: 12px;
  background: #fff;
  box-shadow: 0 16px 34px -26px rgba(7, 22, 32, 0.8);
}

.page-faq .steps-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-faq .steps-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-head);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: rgba(22, 35, 46, 0.6);
}

.page-faq .steps-body h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
}

.page-faq .steps-intro {
  font-family: var(--font-body);
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.8;
  color: rgba(22, 35, 46, 0.74);
  margin: 0 0 26px;
  max-width: 40em;
}

.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .step {
  position: relative;
  padding: 0 0 22px 56px;
}

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

.page-faq .step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 1px;
  background: var(--line-light);
}

.page-faq .step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  background: var(--ink);
  color: var(--gold);
}

.page-faq .step__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.8vw, 18px);
  margin: 8px 0 6px;
  line-height: 1.4;
}

.page-faq .step__text {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(22, 35, 46, 0.72);
  margin: 0;
  max-width: 46em;
}

/* ---------- 联系升级 ---------- */
.page-faq .faq-contact {
  background: var(--ink-deep);
  color: var(--paper);
  padding-block: var(--faq-pad);
}

.page-faq .contact-wrap {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
  align-items: start;
}

.page-faq .contact-lead h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
  color: var(--paper);
}

.page-faq .contact-lead p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 237, 225, 0.78);
  margin: 0 0 14px;
  max-width: 34em;
}

.page-faq .contact-lead .contact-hint {
  font-family: var(--font-head);
  font-size: 13px;
  line-height: 1.7;
  color: var(--celadon);
  padding-left: 14px;
  border-left: 2px solid var(--celadon);
  margin-bottom: 22px;
}

.page-faq .contact-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .contact-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: rgba(243, 237, 225, 0.04);
}

.page-faq .contact-label {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .contact-value {
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

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

  .page-faq .steps-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-faq .steps-figure {
    position: sticky;
    top: 96px;
  }

  .page-faq .contact-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-faq .qa__q {
    font-size: 16.5px;
  }
}

@media (max-width: 479px) {
  .page-faq .hero-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .channel-row {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .page-faq .channel-row__count {
    grid-column: 2;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hero-card,
  .page-faq .tab,
  .page-faq .qa__q,
  .page-faq .channel-row__link {
    transition: none;
  }

  .page-faq .hero-card:hover {
    transform: none;
  }
}