.page-faq {
  --faq-rule: rgba(30, 42, 54, 0.14);
  --faq-body: rgba(30, 42, 54, 0.84);
  background: var(--c-paper);
  color: var(--c-line);
  overflow-x: hidden;
}

/* ---------- HERO ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 30px) clamp(36px, 5vw, 60px);
  color: var(--c-paper);
  border-bottom: 1px solid var(--hair-gold);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(230, 181, 102, 0.18), transparent 62%),
    linear-gradient(165deg, var(--c-ink) 0%, var(--c-ink-deep) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(247, 243, 234, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(247, 243, 234, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 88%);
}

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

.page-faq .faq-hero .breadcrumb,
.page-faq .faq-hero .breadcrumb a {
  color: rgba(247, 243, 234, 0.66);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
  margin-top: clamp(16px, 2.6vw, 28px);
}

.page-faq .faq-eyebrow {
  color: var(--c-gold);
  letter-spacing: 0.26em;
}

.page-faq .faq-title {
  margin: 10px 0 0;
  max-width: 15em;
  font-size: var(--fs-display);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--c-paper);
}

.page-faq .faq-lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 42em;
  font-size: var(--fs-md);
  line-height: 1.72;
  color: rgba(247, 243, 234, 0.78);
}

.page-faq .faq-hero-meta {
  display: grid;
  gap: 1px;
  border: 1px solid rgba(247, 243, 234, 0.16);
  background: rgba(247, 243, 234, 0.16);
}

.page-faq .faq-meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  background: rgba(7, 26, 49, 0.74);
}

.page-faq .faq-meta-row span {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: rgba(247, 243, 234, 0.56);
}

.page-faq .faq-meta-row b {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-gold);
}

.page-faq .faq-hero-figure {
  margin: clamp(22px, 3.6vw, 42px) 0 0;
  padding: 10px;
  border: 1px solid var(--hair-gold);
  background: rgba(7, 26, 49, 0.55);
}

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

.page-faq .faq-hero-figure .media-caption {
  margin-top: 8px;
  color: rgba(247, 243, 234, 0.55);
}

/* ---------- 通用标题 ---------- */
.page-faq .faq-section-head {
  display: grid;
  gap: 10px;
  max-width: 48em;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-h2 {
  margin: 0;
  font-size: var(--fs-xl);
  line-height: 1.14;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--c-ink);
}

.page-faq .faq-sub {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.72;
  color: var(--faq-body);
}

/* ---------- 三步 ---------- */
.page-faq .route-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--faq-rule);
  background: var(--faq-rule);
}

.page-faq .route-step {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--c-paper);
}

.page-faq .route-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--c-coral);
}

.page-faq .route-no {
  display: block;
  font-size: var(--fs-sm);
  letter-spacing: 0.24em;
  color: var(--c-gold-ink);
}

.page-faq .route-step h3 {
  margin: 10px 0 8px;
  font-size: var(--fs-lg);
  line-height: 1.26;
  color: var(--c-ink);
}

.page-faq .route-step p {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.72;
  color: var(--faq-body);
}

/* ---------- 八组分类 ---------- */
.page-faq .faq-cats {
  background: var(--c-mist);
  border-block: 1px solid var(--faq-rule);
}

.page-faq .faq-cats-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 44px);
}

.page-faq .faq-cats-copy {
  min-width: 0;
}

.page-faq .faq-cats-copy .faq-sub {
  margin-top: 12px;
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-faq .faq-cat-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--c-ink);
  background: var(--c-paper);
  border: 1px solid var(--faq-rule);
  border-left: 3px solid var(--c-gold);
  transition: border-left-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-cat-list a:hover,
.page-faq .faq-cat-list a:focus-visible {
  border-left-color: var(--c-coral);
  transform: translateY(-1px);
  box-shadow: 3px 3px 0 rgba(11, 37, 69, 0.08);
}

.page-faq .faq-cat-list a:focus-visible {
  outline: 2px solid var(--c-coral);
  outline-offset: 2px;
}

.page-faq .faq-cat-list .mono {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--c-gold-ink);
}

.page-faq .faq-cat-list a em {
  display: block;
  width: 100%;
  font-style: normal;
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: rgba(30, 42, 54, 0.64);
}

.page-faq .faq-cats-figure {
  margin: 0;
  padding: 10px;
  background: var(--c-paper);
  border: 1px solid var(--faq-rule);
  box-shadow: 6px 6px 0 0 rgba(11, 37, 69, 0.1);
}

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

.page-faq .faq-cats-figure .media-caption {
  margin-top: 8px;
}

/* ---------- 问答双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-faq .faq-index {
  min-width: 0;
  border-top: 2px solid var(--c-ink);
  padding-top: 12px;
}

.page-faq .faq-index-title {
  margin: 0 0 10px;
  font-size: var(--fs-xs);
  letter-spacing: 0.28em;
  color: rgba(30, 42, 54, 0.5);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 10px;
  font-size: var(--fs-sm);
  text-decoration: none;
  color: var(--c-ink-2);
  background: var(--c-mist);
  border: 1px solid var(--faq-rule);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--c-coral-deep);
  border-color: var(--c-coral);
  background: rgba(255, 107, 74, 0.09);
}

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

.page-faq .faq-index-link .mono {
  font-size: var(--fs-xs);
  color: var(--c-gold-ink);
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 96px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

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

.page-faq .faq-group-head {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-group-no {
  font-size: var(--fs-xs);
  letter-spacing: 0.24em;
  color: var(--c-coral-deep);
}

.page-faq .faq-group-head h3 {
  margin: 0;
  font-size: var(--fs-lg);
  line-height: 1.2;
  color: var(--c-ink);
}

.page-faq .faq-group-head p {
  margin: 2px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: rgba(30, 42, 54, 0.6);
}

.page-faq .faq-q {
  margin-bottom: 8px;
  background: var(--c-paper);
  border: 1px solid var(--faq-rule);
  border-left: 3px solid var(--c-gold);
  transition: border-left-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-q[open] {
  border-left-color: var(--c-coral);
  box-shadow: 4px 4px 0 0 rgba(11, 37, 69, 0.07);
}

.page-faq .faq-q summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--c-ink);
}

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

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

.page-faq .faq-q summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--c-coral-deep);
}

.page-faq .faq-q[open] summary::after {
  content: "−";
}

.page-faq .faq-q-no {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--c-gold-ink);
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-a {
  margin: 0 14px;
  padding: 12px 0 16px;
  border-top: 1px dashed var(--faq-rule);
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-a p {
  margin: 0 0 8px;
}

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

.page-faq .faq-a a {
  color: var(--c-coral-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 旧版资料 ---------- */
.page-faq .faq-archive {
  color: var(--c-paper);
  border-block: 1px solid var(--hair-gold);
  background:
    radial-gradient(90% 120% at 4% 0%, rgba(47, 191, 159, 0.14), transparent 58%),
    var(--c-ink);
}

.page-faq .faq-archive .eyebrow {
  color: var(--c-gold);
  letter-spacing: 0.26em;
}

.page-faq .faq-archive .faq-h2 {
  margin-top: 8px;
  color: var(--c-paper);
}

.page-faq .faq-archive-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 30px);
  margin-top: clamp(18px, 2.8vw, 30px);
}

.page-faq .faq-archive-cols > div {
  min-width: 0;
  padding-left: 16px;
  border-left: 2px solid var(--c-gold);
}

.page-faq .faq-archive-cols h3 {
  margin: 0 0 8px;
  font-size: var(--fs-md);
  color: var(--c-paper);
}

.page-faq .faq-archive-cols p {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.74;
  color: rgba(247, 243, 234, 0.76);
}

.page-faq .faq-archive-note {
  margin: clamp(18px, 2.8vw, 28px) 0 0;
  max-width: 62em;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.62);
}

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

/* ---------- 支持与反馈 ---------- */
.page-faq .faq-support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-support-copy {
  min-width: 0;
}

.page-faq .faq-support-copy .faq-sub {
  margin: 12px 0 clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-rule);
  background: var(--faq-rule);
}

.page-faq .faq-contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 13px 15px;
  background: var(--c-paper);
}

.page-faq .faq-contact-item .contact-val {
  word-break: break-all;
}

.page-faq .faq-support .contact-note {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
}

.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 16px;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-more .mono {
  font-size: var(--fs-xs);
  letter-spacing: 0.24em;
  color: rgba(30, 42, 54, 0.5);
}

.page-faq .faq-more a {
  font-size: var(--fs-sm);
  color: var(--c-ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible {
  color: var(--c-coral-deep);
  border-bottom-color: var(--c-coral);
}

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

@media (min-width: 780px) {
  .page-faq .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-cats-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-support-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 430px);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-index-list {
    display: block;
    border-left: 1px solid var(--faq-rule);
  }

  .page-faq .faq-index-link {
    margin-left: -1px;
    padding: 7px 0 7px 12px;
    background: transparent;
    border: 0;
    border-left: 3px solid transparent;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    background: rgba(255, 107, 74, 0.07);
    border-left-color: var(--c-coral);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat-list a,
  .page-faq .faq-q,
  .page-faq .faq-index-link,
  .page-faq .faq-more a {
    transition: none;
  }
}