.page-faq {
  --faq-line: rgba(216, 177, 92, 0.22);
  --faq-line-strong: rgba(216, 177, 92, 0.48);
  --faq-ink-text: #16302a;
  color: var(--text-soft);
  padding-top: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(1100px 520px at 86% -10%, rgba(28, 68, 56, 0.55), transparent 62%),
    radial-gradient(760px 420px at 8% 42%, rgba(28, 68, 56, 0.32), transparent 68%),
    linear-gradient(180deg, var(--deep) 0%, #0a1f1a 58%, var(--ink) 100%);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 13px;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-title {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  color: var(--text-dim);
}

.page-faq .faq-hero__meta .mono {
  color: var(--gold-light);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--faq-line-strong);
  box-shadow: 0 24px 48px rgba(7, 17, 14, 0.45);
}

/* ---------- 主题入口 ---------- */
.page-faq .faq-search {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 clamp(22px, 3vw, 34px);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  min-height: 44px;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
  background: rgba(28, 68, 56, 0.35);
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-chip .mono {
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-chip:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  background: rgba(28, 68, 56, 0.62);
}

.page-faq .faq-chip:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-faq .faq-index {
  background: var(--paper);
  color: var(--faq-ink-text);
  border: 1px solid rgba(14, 43, 36, 0.16);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 36px);
  box-shadow: 0 20px 44px rgba(7, 17, 14, 0.38);
}

.page-faq .faq-index__grid {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-faq .faq-index__title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--clay);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(14, 43, 36, 0.18);
  font-size: 14px;
  line-height: 1.5;
  color: var(--faq-ink-text);
  text-decoration: none;
  transition: color var(--ease), padding-left var(--ease);
}

.page-faq .faq-index__num {
  flex: none;
  font-size: 12px;
  color: var(--clay);
}

.page-faq .faq-index__link:hover {
  color: var(--clay);
  padding-left: 4px;
}

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

/* ---------- 双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-toc {
  list-style: none;
  margin: 12px 0 22px;
  padding: 0;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 12px;
  border-left: 2px solid rgba(216, 177, 92, 0.25);
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}

.page-faq .faq-toc__link .mono {
  font-size: 11px;
  color: var(--gold);
}

.page-faq .faq-toc__link:hover {
  border-left-color: var(--coral);
  background: rgba(28, 68, 56, 0.42);
  color: var(--paper);
}

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

.page-faq .faq-aside .note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 问题组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 72px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
  border-bottom: 1px solid var(--faq-line-strong);
}

.page-faq .faq-group__num {
  font-size: clamp(18px, 2.4vw, 26px);
  color: var(--gold);
  line-height: 1;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-dim);
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(28, 68, 56, 0.5), rgba(14, 43, 36, 0.55));
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

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

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

.page-faq .faq-item[open] {
  border-color: rgba(216, 177, 92, 0.55);
  background: linear-gradient(180deg, rgba(32, 76, 62, 0.86), rgba(14, 43, 36, 0.92));
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(14px, 2vw, 18px) clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-q__num {
  flex: none;
  min-width: 2.2em;
  padding-top: 3px;
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-q__text {
  flex: 1;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 500;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-q__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .faq-q__icon::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-q__icon::after {
  content: "";
  position: absolute;
  top: 0;
  left: 6px;
  width: 1px;
  height: 14px;
  background: var(--gold);
  transition: transform var(--ease), opacity var(--ease);
}

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

.page-faq .faq-a {
  padding: 0 clamp(14px, 2vw, 22px) clamp(16px, 2.2vw, 22px);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-a .faq-a__lead {
  color: var(--gold-light);
  font-weight: 500;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-steps li + li {
  margin-top: 6px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  opacity: 0.85;
}

.page-faq .faq-a__link {
  display: inline-block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 177, 92, 0.42);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-a__link::after {
  content: " →";
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-a__link:hover {
  color: var(--coral-hover);
  border-bottom-color: var(--coral-hover);
}

.page-faq .faq-a__link:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 1px solid var(--faq-line);
}

.page-faq .faq-figure .visual-frame__caption {
  font-size: 12px;
  color: var(--text-dim);
  padding: 10px 14px;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(56px, 8vw, 96px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(28, 68, 56, 0.72), rgba(7, 17, 14, 0.9));
  box-shadow: 0 26px 52px rgba(7, 17, 14, 0.42);
}

.page-faq .faq-contact__lead {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact__link {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 177, 92, 0.4);
}

.page-faq .faq-contact__link:hover {
  color: var(--coral-hover);
  border-bottom-color: var(--coral-hover);
}

.page-faq .faq-contact__link:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-contact__list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-a {
    padding-left: calc(clamp(14px, 2vw, 22px) + 36px);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(180px, 236px) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip:hover,
  .page-faq .faq-item:hover {
    transform: none;
  }
}