.page-faq {
  --faq-line: rgba(143, 166, 154, 0.22);
  --faq-lime-wash: rgba(198, 255, 61, 0.08);
  --faq-panel: rgba(27, 94, 68, 0.34);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(1.4rem, 4.5vw, 3.2rem));
  padding-bottom: clamp(2.2rem, 6vw, 4.4rem);
  background:
    radial-gradient(circle at 84% 16%, rgba(198, 255, 61, 0.11), transparent 56%),
    radial-gradient(circle at 6% 92%, rgba(185, 133, 107, 0.16), transparent 52%),
    linear-gradient(158deg, var(--c-ink) 0%, var(--c-grass) 62%, #0d4534 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -34%;
  width: 62%;
  height: 110%;
  background: var(--c-moss);
  opacity: 0.34;
  transform: rotate(-11deg);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.7rem, 5vw, 3.4rem);
  align-items: center;
}

.page-faq .faq-hero-copy .breadcrumb {
  margin-bottom: 1.1rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0;
  color: var(--c-bone);
}

.page-faq .faq-hero-lead {
  margin: clamp(0.9rem, 2.6vw, 1.35rem) 0 0;
  max-width: 56ch;
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.1rem, 3.6vw, 2.6rem);
  margin-top: clamp(1.5rem, 4vw, 2.3rem);
  padding-top: 1.15rem;
  border-top: 1px solid var(--line-lime);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  line-height: 1;
  color: var(--c-lime);
}

.page-faq .faq-stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--c-slate);
}

.page-faq .faq-hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-lime);
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(198, 255, 61, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 255, 61, 0.13) 1px, transparent 1px);
  background-size: 44px 44px;
  mix-blend-mode: screen;
}

/* ---------- 两栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3.2rem);
  padding-top: clamp(2.2rem, 6vw, 4.2rem);
  padding-bottom: clamp(2.6rem, 7vw, 5rem);
  align-items: start;
}

.page-faq .faq-index {
  padding-top: 0.9rem;
  border-top: 2px solid var(--c-lime);
}

.page-faq .faq-index-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.12rem;
  counter-reset: faqidx;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.55rem 0.6rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--d-fast) var(--ease), border-color var(--d-fast) var(--ease), background-color var(--d-fast) var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--c-bone);
  border-left-color: var(--c-lime);
  background-color: var(--faq-lime-wash);
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-lime);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-sec {
  padding-bottom: clamp(1.7rem, 4vw, 2.6rem);
  margin-bottom: clamp(1.7rem, 4vw, 2.6rem);
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-faq .faq-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 0.9rem;
}

.page-faq .faq-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--c-lime);
}

.page-faq .faq-sec h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 1.78rem);
  line-height: 1.15;
  color: var(--c-bone);
}

.page-faq .faq-list {
  display: grid;
}

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

.page-faq .faq-entry:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-entry summary {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem 0;
  list-style: none;
  cursor: pointer;
  font-size: clamp(0.98rem, 2.5vw, 1.06rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-bone);
  transition: color var(--d-fast) var(--ease);
}

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

.page-faq .faq-entry summary:hover,
.page-faq .faq-entry summary:focus-visible {
  color: var(--c-lime);
}

.page-faq .faq-entry summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  padding-top: 0.1rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--c-lime);
}

.page-faq .faq-entry[open] summary::after {
  content: "–";
}

.page-faq .faq-entry[open] summary {
  color: var(--c-lime-soft);
}

.page-faq .faq-answer {
  padding-bottom: 1.15rem;
  max-width: 64ch;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-answer p {
  margin: 0 0 0.7rem;
}

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

/* ---------- 指标图解 ---------- */
.page-faq .faq-figure {
  margin: 1.4rem 0 0;
  border: 1px solid var(--faq-line);
  background: var(--faq-panel);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 0.72rem 0.95rem;
  border-top: 1px solid var(--faq-line);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-slate);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-sec-contact {
  border-bottom: 0;
}

.page-faq .faq-contact-panel {
  padding: clamp(1.15rem, 3.6vw, 1.9rem);
  background: linear-gradient(122deg, rgba(27, 94, 68, 0.6), rgba(7, 30, 23, 0.82));
  border-left: 3px solid var(--c-orange);
}

.page-faq .faq-contact-lead {
  margin: 0 0 1.2rem;
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-contact-panel .contact-list {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1.3rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact-panel .contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--c-bone);
}

.page-faq .faq-contact-panel .contact-item a {
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
}

.page-faq .faq-contact-panel .contact-item a:hover,
.page-faq .faq-contact-panel .contact-item a:focus-visible {
  color: var(--c-lime-soft);
}

.page-faq .faq-contact-key {
  flex: none;
  min-width: 3.2em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--c-slate);
  padding-top: 0.22rem;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .faq-related {
  margin: 1.4rem 0 0;
  font-size: 0.9rem;
  color: var(--c-slate);
}

.page-faq .faq-related a {
  margin-left: 0.65rem;
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
}

.page-faq .faq-related a:hover,
.page-faq .faq-related a:focus-visible {
  color: var(--c-lime-soft);
}

.page-faq .faq-topline {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-topline a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-slate);
  text-decoration: none;
}

.page-faq .faq-topline a:hover,
.page-faq .faq-topline a:focus-visible {
  color: var(--c-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero-stats {
    gap: clamp(1.6rem, 4vw, 3rem);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 248px) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 1.6rem);
  }

  .page-faq .faq-figure {
    margin-top: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-list a,
  .page-faq .faq-entry summary {
    transition: none;
  }
}