.page-faq {
  --faq-line: rgba(154, 165, 160, 0.24);
  --faq-line-strong: rgba(154, 165, 160, 0.46);
  --faq-ink-soft: rgba(26, 22, 19, 0.72);
  --faq-cream-soft: rgba(244, 240, 230, 0.78);
  --faq-deep-orange: #C4470C;
  --faq-surface: rgba(244, 240, 230, 0.045);
  display: block;
  overflow-x: hidden;
  background: var(--c-pitch-deep);
  color: var(--c-cream);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb-wrap {
  padding-top: 1.25rem;
}
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-gray);
}
.page-faq .breadcrumb a {
  color: var(--c-teal);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--c-flare);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: 2.25rem 3.5rem;
  background:
    radial-gradient(110% 80% at 88% 4%, rgba(45, 212, 191, 0.15), transparent 62%),
    radial-gradient(85% 70% at 2% 100%, rgba(255, 106, 26, 0.16), transparent 58%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(244, 240, 230, 0.04) 0,
    rgba(244, 240, 230, 0.04) 1px,
    transparent 1px,
    transparent 74px
  );
  pointer-events: none;
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
  min-width: 0;
}
.page-faq .faq-hero-copy {
  min-width: 0;
}
.page-faq .faq-hero h1 {
  margin: 0.9rem 0 0;
  font-family: var(--font-sans);
  font-size: clamp(2.35rem, 7.6vw, 4.6rem);
  font-weight: 900;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  color: var(--c-white);
}
.page-faq .faq-h1-accent {
  color: var(--c-flare);
}
.page-faq .faq-lede {
  margin: 1.4rem 0 0;
  max-width: 56ch;
  font-size: 1.02rem;
  line-height: var(--lh-body);
  color: var(--faq-cream-soft);
}
.page-faq .faq-hero-facts {
  margin-top: 2.25rem;
  padding-top: 1.35rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-fact {
  min-width: 0;
}
.page-faq .faq-fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5.2vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--ls-data);
  color: var(--c-flare);
}
.page-faq .faq-fact-unit {
  margin-left: 0.16em;
  font-size: 0.72rem;
  color: var(--c-teal);
}
.page-faq .faq-fact-label {
  display: block;
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--c-gray);
}
.page-faq .faq-hero-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line-strong);
  background: var(--c-pitch);
}
.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

/* ---------- 通用小节头部 ---------- */
.page-faq .faq-section-lede {
  margin: 1rem 0 0;
  max-width: 62ch;
  line-height: var(--lh-body);
  color: var(--faq-cream-soft);
}

/* ---------- 口径问答 ---------- */
.page-faq .faq-rules {
  padding-block: clamp(2.75rem, 7vw, 5.25rem);
  background: var(--c-cream);
  color: var(--c-brown);
}
.page-faq .faq-rules-head {
  max-width: 64ch;
}
.page-faq .faq-rules-head h2 {
  margin: 0.6rem 0 0;
  color: var(--c-brown);
}
.page-faq .faq-rules .faq-section-lede {
  color: var(--faq-ink-soft);
}
.page-faq .faq-rules .eyebrow {
  color: #0B2E20;
}
.page-faq .faq-rules-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 2.25rem;
  min-width: 0;
}
.page-faq .faq-rule-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(26, 22, 19, 0.16);
}
.page-faq .faq-rule-index li {
  border-bottom: 1px solid rgba(26, 22, 19, 0.16);
}
.page-faq .faq-rule-index a {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  padding: 0.85rem 0.15rem;
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--c-brown);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.page-faq .faq-rule-index a .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  color: var(--faq-deep-orange);
}
.page-faq .faq-rule-index a:hover,
.page-faq .faq-rule-index a:focus-visible {
  color: var(--faq-deep-orange);
  padding-left: 0.5rem;
}
.page-faq .faq-rule-cards {
  display: grid;
  gap: 1.1rem;
  min-width: 0;
}
.page-faq .faq-rule-card {
  position: relative;
  padding: 1.5rem 1.4rem 1.5rem 1.8rem;
  background: var(--c-white);
  border: 1px solid rgba(26, 22, 19, 0.1);
  border-radius: var(--radius-md);
  min-width: 0;
}
.page-faq .faq-rule-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  bottom: 1.35rem;
  width: 3px;
  border-radius: 3px;
  background: var(--c-flare);
}
.page-faq .faq-rule-num {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  color: var(--faq-deep-orange);
}
.page-faq .faq-rule-card .h3 {
  margin: 0;
  color: var(--c-brown);
}
.page-faq .faq-rule-card p {
  margin: 0.85rem 0 0;
  font-size: 0.98rem;
  line-height: var(--lh-body);
  color: var(--faq-ink-soft);
}
.page-faq .faq-rule-points {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.page-faq .faq-rule-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(26, 22, 19, 0.66);
}
.page-faq .faq-rule-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c-teal);
  transform: rotate(45deg);
}
.page-faq .faq-rules-figure {
  grid-column: 1 / -1;
  margin: 0.5rem 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(26, 22, 19, 0.12);
  background: var(--c-pitch-deep);
}
.page-faq .faq-rules-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-faq .faq-rules-figure figcaption {
  padding: 0.8rem 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  color: var(--c-teal);
  background: var(--c-pitch-deep);
}

/* ---------- 查看与筛选 ---------- */
.page-faq .faq-browse {
  padding-block: clamp(2.75rem, 7vw, 5.25rem);
  background: linear-gradient(180deg, var(--c-pitch-deep) 0%, var(--c-pitch) 48%, var(--c-pitch-deep) 100%);
}
.page-faq .faq-browse-grid {
  display: grid;
  gap: 2.25rem;
  min-width: 0;
}
.page-faq .faq-browse-lead {
  min-width: 0;
}
.page-faq .faq-browse-lead h2 {
  margin: 0.6rem 0 0;
}
.page-faq .faq-browse-hint {
  margin-top: 1.1rem;
  padding-left: 0.95rem;
  border-left: 2px solid var(--c-teal);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--c-gray);
}
.page-faq .faq-browse-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 0.9rem;
  min-width: 0;
}
.page-faq .faq-browse-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 1.05rem 1.15rem 1.05rem 3.5rem;
  border-left: 2px solid var(--c-flare);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--faq-surface);
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--faq-cream-soft);
  transition: transform 0.25s ease, background 0.25s ease;
}
.page-faq .faq-browse-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 1.15rem;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: var(--ls-data);
  color: var(--c-flare);
}
.page-faq .faq-browse-steps li:hover {
  transform: translateX(6px);
  background: rgba(255, 106, 26, 0.08);
}

/* ---------- 更新与缓存 ---------- */
.page-faq .faq-refresh {
  padding-block: clamp(2.75rem, 7vw, 5rem);
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-refresh-head h2 {
  margin: 0.6rem 0 0;
}
.page-faq .faq-refresh-strip {
  margin-top: 2.25rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-faq .faq-refresh-cell {
  padding: 1.35rem 1.05rem;
  background: var(--c-pitch);
  min-width: 0;
}
.page-faq .faq-refresh-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 6vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--ls-data);
  color: var(--c-white);
}
.page-faq .faq-refresh-value span {
  margin-left: 0.18em;
  font-size: 0.78rem;
  color: var(--c-flare);
}
.page-faq .faq-refresh-key {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--c-gray);
}
.page-faq .faq-refresh-note {
  margin: 1.5rem 0 0;
  max-width: 74ch;
  font-size: 0.95rem;
  line-height: var(--lh-body);
  color: var(--faq-cream-soft);
}

/* ---------- 问答索引 ---------- */
.page-faq .faq-index {
  padding-block: clamp(2.75rem, 7vw, 5.25rem);
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-index-head {
  max-width: 66ch;
}
.page-faq .faq-index-head h2 {
  margin: 0.6rem 0 0;
}
.page-faq .faq-filter {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-filter .filter-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.07em;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--faq-line-strong);
  background: transparent;
  color: var(--c-cream);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-filter .filter-btn:hover,
.page-faq .faq-filter .filter-btn:focus-visible {
  border-color: var(--c-flare);
  color: var(--c-flare);
}
.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--c-flare);
  border-color: var(--c-flare);
  color: var(--c-pitch-deep);
}
.page-faq .faq-filter .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--c-gray);
}
.page-faq .faq-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--faq-surface);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-item[open] {
  background: rgba(45, 212, 191, 0.06);
  border-color: rgba(255, 106, 26, 0.5);
}
.page-faq .faq-item[data-filtered-out] {
  display: none;
}
.page-faq .faq-item-q {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  color: var(--c-cream);
}
.page-faq .faq-item-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item-q::marker {
  content: "";
}
.page-faq .faq-item-id {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  color: var(--c-flare);
}
.page-faq .faq-item-text {
  flex: 1 1 auto;
  font-size: 1.01rem;
  font-weight: 600;
  line-height: 1.5;
}
.page-faq .faq-item-mark {
  flex: none;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 0.3em;
}
.page-faq .faq-item-mark::before,
.page-faq .faq-item-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-teal);
  border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.page-faq .faq-item-mark::before {
  width: 14px;
  height: 2px;
}
.page-faq .faq-item-mark::after {
  width: 2px;
  height: 14px;
}
.page-faq .faq-item[open] .faq-item-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}
.page-faq .faq-item-a {
  padding: 1rem 1.1rem 1.25rem;
  border-top: 1px solid var(--faq-line);
  font-size: 0.97rem;
  line-height: var(--lh-body);
  color: var(--faq-cream-soft);
}
.page-faq .faq-item-a p {
  margin: 0;
  max-width: 68ch;
}
.page-faq .faq-index-more {
  margin: 2.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--faq-line);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-gray);
}

/* ---------- 账号与联系 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(2.75rem, 7vw, 5rem);
  background: var(--c-cream);
  color: var(--c-brown);
}
.page-faq .faq-contact-grid {
  display: grid;
  gap: 2rem;
  min-width: 0;
}
.page-faq .faq-contact-lead h2 {
  margin: 0.6rem 0 0;
  color: var(--c-brown);
}
.page-faq .faq-contact-lead .eyebrow {
  color: #0B2E20;
}
.page-faq .faq-contact-lead p {
  margin: 1rem 0 0;
  max-width: 60ch;
  line-height: var(--lh-body);
  color: var(--faq-ink-soft);
}
.page-faq .faq-contact-note {
  padding-left: 0.95rem;
  border-left: 2px solid var(--c-flare);
  font-size: 0.93rem;
  color: rgba(26, 22, 19, 0.6);
}
.page-faq .faq-contact-cards {
  display: grid;
  gap: 1rem;
  min-width: 0;
}
.page-faq .faq-contact-card {
  padding: 1.25rem 1.35rem;
  background: var(--c-white);
  border: 1px solid rgba(26, 22, 19, 0.1);
  border-radius: var(--radius-md);
  min-width: 0;
}
.page-faq .faq-contact-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  color: var(--faq-deep-orange);
}
.page-faq .faq-contact-value {
  margin: 0.55rem 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-brown);
  word-break: break-word;
}
.page-faq .faq-contact-desc {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(26, 22, 19, 0.6);
}

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

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding-block: 3rem 4.5rem;
  }
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: center;
  }
  .page-faq .faq-browse-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3.5rem;
    align-items: start;
  }
  .page-faq .faq-refresh-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-rules-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 3rem;
    align-items: start;
  }
  .page-faq .faq-rules-nav {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3.5rem;
    align-items: start;
  }
  .page-faq .faq-item-q {
    padding: 1.15rem 1.35rem;
  }
  .page-faq .faq-item-a {
    padding: 1.05rem 1.35rem 1.4rem 4.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-browse-steps li,
  .page-faq .faq-rule-index a,
  .page-faq .faq-item,
  .page-faq .faq-item-mark::before,
  .page-faq .faq-item-mark::after {
    transition: none;
  }
  .page-faq .faq-browse-steps li:hover {
    transform: none;
  }
}