.page-faq {
  --faq-card: #FBF3E3;
  --faq-rule: rgba(35, 26, 20, 0.22);
  --faq-rail-w: 216px;
  background: var(--cream);
  color: var(--brown);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(circle at 84% 8%, rgba(91, 214, 200, 0.16), transparent 56%),
    linear-gradient(158deg, var(--ink) 0%, var(--coal) 100%);
  color: var(--white);
  padding-block: clamp(22px, 4vw, 36px) clamp(48px, 7vw, 92px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(28px, 5vw, 56px);
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .faq-crumb a {
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-crumb [aria-current="page"] {
  color: var(--white);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-hero .eyebrow {
  color: var(--lime);
  letter-spacing: 0.16em;
  margin: 0 0 18px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 8.4vw, 92px);
  line-height: 1.02;
  letter-spacing: 0.01em;
  margin: 0 0 22px;
  max-width: 15ch;
  color: var(--white);
}

.page-faq .faq-lead {
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 56ch;
  margin: 0 0 26px;
}

.page-faq .faq-hero__media {
  border: 1px solid var(--line);
  background: var(--coal-soft);
}

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

/* ---------- 速查索引 ---------- */
.page-faq .faq-index {
  background: var(--coal);
  color: var(--white);
  padding-block: clamp(48px, 8vw, 96px);
}

.page-faq .faq-band {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-band .band-num {
  color: var(--red);
}

.page-faq .faq-band h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.2;
  margin: 0;
  color: var(--white);
}

.page-faq .faq-band p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-index__item a {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 172px;
  padding: 22px 20px;
  background: var(--coal-soft);
  color: var(--white);
  text-decoration: none;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-index__item a:hover,
.page-faq .faq-index__item a:focus-visible {
  background: var(--ink-soft);
  box-shadow: inset 0 -3px 0 var(--lime);
}

.page-faq .faq-index__item .tag {
  align-self: flex-start;
}

.page-faq .faq-index__q {
  flex: 1;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
}

.page-faq .faq-index__go {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-index__go .data-num {
  color: var(--lime);
}

/* ---------- 主体：轨道 + 展签 ---------- */
.page-faq .faq-body {
  padding-block: clamp(48px, 8vw, 108px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-rail {
  border-top: 1px solid var(--line-dark);
  padding-top: 14px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(35, 26, 20, 0.55);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--line-dark);
  font-size: 13px;
  color: var(--brown);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--brown);
  color: var(--cream);
  border-color: var(--brown);
}

.page-faq .faq-rail__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(35, 26, 20, 0.62);
}

.page-faq .faq-stream {
  display: grid;
  gap: clamp(44px, 6vw, 76px);
  min-width: 0;
}

.page-faq .faq-sec {
  --qa-accent: var(--cyan);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-sec--orange { --qa-accent: var(--orange); }
.page-faq .faq-sec--cyan { --qa-accent: var(--cyan); }
.page-faq .faq-sec--lime { --qa-accent: var(--lime); }
.page-faq .faq-sec--red { --qa-accent: var(--red); }

.page-faq .faq-sec__head {
  border-left: 3px solid var(--qa-accent);
  padding-left: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-sec__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--red);
  margin-bottom: 6px;
}

.page-faq .faq-sec__head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.22;
  margin: 0 0 10px;
  color: var(--brown);
}

.page-faq .faq-sec__head p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(35, 26, 20, 0.72);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
  border: 1px solid var(--faq-rule);
  background: var(--coal-soft);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sage);
  border-top: 1px solid var(--line);
}

/* ---------- 折叠展签 ---------- */
.page-faq .faq-sec__list {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .qa {
  background: var(--faq-card);
  border: 1px solid var(--faq-rule);
  border-top: none;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--qa-accent);
  box-shadow: inset 3px 0 0 var(--qa-accent);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 17px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .qa > summary:hover,
.page-faq .qa > summary:focus-visible {
  background: #FFF9EC;
  outline: none;
}

.page-faq .qa__num {
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-faq .qa__q {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--brown);
}

.page-faq .qa__icon {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  color: var(--brown);
  flex: none;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qa__icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa__icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

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

.page-faq .qa__a {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
  padding: 18px 16px 20px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 66ch;
}

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

.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 63, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  background:
    linear-gradient(120deg, var(--ink) 0%, var(--coal-soft) 100%);
  color: var(--white);
  padding-block: clamp(44px, 7vw, 84px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: end;
}

.page-faq .faq-cta .eyebrow {
  color: var(--cyan);
  letter-spacing: 0.16em;
  margin: 0 0 12px;
}

.page-faq .faq-cta h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.24;
  margin: 0 0 12px;
  color: var(--white);
  max-width: 22ch;
}

.page-faq .faq-cta__copy p:not(.eyebrow) {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa > summary {
    padding: 19px 22px;
    gap: 16px;
  }

  .page-faq .qa__q {
    font-size: 17px;
  }

  .page-faq .qa__a {
    padding: 20px 22px 24px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-faq .faq-index__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-rail__list {
    display: block;
  }

  .page-faq .faq-rail__link {
    display: block;
    padding: 10px 12px;
    border: none;
    border-left: 2px solid var(--line-dark);
    font-size: 14px;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    background: transparent;
    color: var(--orange);
    border-left-color: var(--orange);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item a,
  .page-faq .qa,
  .page-faq .qa > summary,
  .page-faq .qa__icon::before,
  .page-faq .qa__icon::after,
  .page-faq .faq-rail__link,
  .page-faq .faq-crumb a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>