.page-faq {
  --faq-line: rgba(18, 58, 46, 0.14);
  --faq-panel: #FFFDF7;
  background: var(--c-cream);
  color: var(--c-green);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding-inline: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background: var(--c-green);
  color: var(--c-cream);
  padding-top: 26px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  padding-bottom: 26px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 12px 0 16px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--c-orange);
}

.page-faq .faq-hero__text {
  margin: 0;
  max-width: 48ch;
  color: var(--c-tin);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.page-faq .faq-hero__aside {
  background: rgba(245, 241, 230, 0.07);
  border: 1px solid rgba(199, 208, 203, 0.24);
  border-radius: var(--radius);
  padding: 18px 20px 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-faq .faq-quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-quick-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--c-cream);
  font-size: 0.98rem;
}

.page-faq .faq-quick-list .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-orange);
  min-width: 3.6em;
}

.page-faq .faq-hero__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(199, 208, 203, 0.22);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-tin);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 0 26px;
  border-top: 1px solid rgba(199, 208, 203, 0.18);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(199, 208, 203, 0.34);
  background: transparent;
  color: var(--c-cream);
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 180ms ease-out, color 180ms ease-out, background 180ms ease-out;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange);
  background: rgba(255, 106, 43, 0.08);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  padding-block: 32px 56px;
}

.page-faq .faq-toc {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--faq-panel);
  padding: 14px 14px 12px;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-rock);
}

.page-faq .faq-toc .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc .toc-list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc .toc-list a {
  display: block;
  min-height: 44px;
  padding: 11px 12px;
  border-left: 3px solid transparent;
  border-radius: 4px;
  color: var(--c-green);
  font-size: 0.92rem;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms ease-out, border-color 180ms ease-out;
}

.page-faq .faq-toc .toc-list a:hover,
.page-faq .faq-toc .toc-list a:focus-visible {
  background: rgba(47, 107, 255, 0.08);
  border-left-color: var(--c-blue);
}

.page-faq .faq-toc .toc-list a[aria-current="true"] {
  border-left-color: var(--c-orange);
  background: rgba(255, 106, 43, 0.1);
  font-weight: 700;
}

.page-faq .faq-toc__foot {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-rock);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-green);
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-orange);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-green);
}

.page-faq .faq-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-rock);
  white-space: nowrap;
}

.page-faq .faq-group__note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--c-rock);
}

.page-faq .band {
  margin-block: 34px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa summary {
  position: relative;
  display: block;
  padding: 16px 44px 16px 18px;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-green);
  cursor: pointer;
  list-style: none;
  transition: background 180ms ease-out, color 180ms ease-out;
}

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

.page-faq .qa summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  bottom: 13px;
  width: 3px;
  background: var(--c-orange);
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-moss);
}

.page-faq .qa summary:hover {
  background: rgba(78, 122, 92, 0.07);
}

.page-faq .qa[open] summary {
  color: var(--c-deep);
}

.page-faq .qa[open] summary::before {
  opacity: 1;
}

.page-faq .qa[open] summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-faq .qa__body {
  padding: 0 24px 18px 18px;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.85;
  color: #24463b;
}

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

/* ---------- 图文块 ---------- */
.page-faq .faq-figure {
  margin: 22px 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-deep);
}

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

.page-faq .faq-figure .figure__label {
  display: block;
  padding: 10px 14px 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-tin);
}

.page-faq .faq-svg {
  margin: 22px 0;
  padding: 14px 12px 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--faq-panel);
}

.page-faq .faq-svg svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-svg figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-rock);
}

/* ---------- 代下单步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 20px 0 24px;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: faqstep;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 14px 14px 12px;
  background: var(--faq-panel);
  border-left: 3px solid var(--c-moss);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-faq .faq-step:nth-child(even) {
  border-left-color: var(--c-orange);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-moss);
}

.page-faq .faq-step:nth-child(even) .faq-step__num {
  color: var(--c-orange);
}

.page-faq .faq-step h3 {
  margin: 0 0 4px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-green);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: #24463b;
}

/* ---------- 结尾 ---------- */
.page-faq .faq-cta {
  background: var(--c-deep);
  color: var(--c-cream);
  padding-block: 36px 40px;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 20px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1.2;
  color: var(--c-cream);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 52ch;
  color: var(--c-tin);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__more {
  margin: 0;
  font-size: 0.92rem;
  color: var(--c-tin);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-shell {
    padding-inline: 32px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 32px;
  }

  .page-faq .faq-cta__more {
    grid-column: 1 / -1;
    padding-top: 14px;
    border-top: 1px solid rgba(199, 208, 203, 0.22);
  }

  .page-faq .qa summary {
    padding-left: 22px;
    padding-right: 52px;
    font-size: 1.09rem;
  }

  .page-faq .qa__body {
    padding-left: 22px;
    padding-right: 52px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 52px;
    padding-block: 48px 72px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-toc .toc-list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-toc .toc-list a {
    white-space: normal;
    font-size: 0.94rem;
  }

  .page-faq .faq-toc .toc-list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-hero {
    padding-top: 34px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-num {
    font-size: 1.3rem;
  }

  .page-faq .qa summary {
    font-size: 1rem;
    padding-right: 38px;
  }

  .page-faq .faq-step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa summary,
  .page-faq .qa summary::before,
  .page-faq .faq-chip,
  .page-faq .faq-toc .toc-list a {
    transition: none;
  }
}