.page-faq {
  --faq-line: rgba(74, 85, 78, 0.16);
  --faq-card: #FBF8F1;
  background: var(--c-paper);
  color: var(--c-stone);
  font-size: 15px;
  line-height: 1.7;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--f-display);
  color: var(--c-deep);
  letter-spacing: 0.02em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: linear-gradient(155deg, #0B2B26 0%, #071512 82%);
  color: var(--c-paper);
  padding: clamp(24px, 5vw, 56px);
  margin-top: clamp(16px, 3vw, 32px);
  box-shadow: var(--sh-panel);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -25%;
  right: -18%;
  width: 46%;
  height: 165%;
  background: linear-gradient(180deg, rgba(57, 242, 208, 0.20), rgba(57, 242, 208, 0) 72%);
  transform: skewX(-6deg);
  pointer-events: none;
}

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

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--c-mist);
  margin-bottom: clamp(16px, 3vw, 26px);
}

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

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

.page-faq .eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
  margin: 0 0 10px;
}

.page-faq .faq-hero h1 {
  color: var(--c-paper);
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  max-width: 22ch;
}

.page-faq .faq-hero .lede {
  margin: clamp(14px, 2.4vw, 20px) 0 0;
  color: var(--c-paper2);
  font-size: clamp(14.5px, 1.7vw, 17px);
  line-height: 1.8;
  max-width: 60ch;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid rgba(244, 240, 230, 0.14);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-stat__l {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-faq .faq-stat__v {
  margin: 0;
  font-family: var(--f-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-orange);
}

/* ---------- 分类轨道 + 正文 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(26px, 5vw, 52px);
}

.page-faq .faq-rail {
  border-radius: var(--r-lg);
  background: var(--c-deep);
  color: var(--c-paper);
  padding: 14px 16px 16px;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-mist);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(244, 240, 230, 0.20);
  color: var(--c-paper);
  text-decoration: none;
  font-size: 13.5px;
  transition: background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(57, 242, 208, 0.16);
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  outline: none;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 88px;
  margin-bottom: clamp(30px, 4.5vw, 48px);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
  margin-bottom: 12px;
}

.page-faq .faq-sec__num {
  font-family: var(--f-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-orange);
  letter-spacing: 0.08em;
  flex: 0 0 auto;
}

.page-faq .faq-sec__title {
  font-size: clamp(18px, 2.3vw, 23px);
  font-weight: 800;
}

.page-faq .faq-sec__intro {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-stone);
  max-width: 62ch;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-radius: var(--r-md);
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa:hover {
  border-color: rgba(47, 93, 74, 0.4);
}

.page-faq .qa[open] {
  border-color: var(--c-cyan);
  box-shadow: 0 8px 28px rgba(11, 43, 38, 0.12);
}

.page-faq .qa__sum {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-deep);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa__sum:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 12px;
  padding-top: 3px;
  color: var(--c-mist);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__chev {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 3px;
}

.page-faq .qa__chev::before,
.page-faq .qa__chev::after {
  content: "";
  position: absolute;
  background: var(--c-moss);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease),
    opacity var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-faq .qa__chev::before {
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .qa__chev::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 16px;
  transform: translateX(-50%);
}

.page-faq .qa[open] .qa__chev::before,
.page-faq .qa[open] .qa__chev::after {
  background: var(--c-cyan);
}

.page-faq .qa[open] .qa__chev::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  border-top: 1px solid var(--faq-line);
  margin-top: -1px;
  padding-top: 12px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-stone);
}

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

.page-faq .qa__a a {
  color: var(--c-moss);
  text-decoration: underline;
  text-decoration-color: rgba(47, 93, 74, 0.4);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease),
    text-decoration-color var(--dur) var(--ease);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--c-clay);
  text-decoration-color: var(--c-clay);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-mobile-figure {
  margin: 20px 0 0;
}

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

/* ---------- 收尾 ---------- */
.page-faq .faq-close {
  margin-top: clamp(30px, 5vw, 54px);
  border-radius: var(--r-xl);
  background: linear-gradient(140deg, var(--c-moss) 0%, #213F34 100%);
  color: var(--c-paper);
  padding: clamp(22px, 4vw, 42px);
  display: grid;
  gap: 20px;
  box-shadow: var(--sh-lift);
}

.page-faq .faq-close h2 {
  color: var(--c-paper);
  font-size: clamp(19px, 2.4vw, 24px);
  margin-bottom: 10px;
}

.page-faq .faq-close p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-paper2);
  max-width: 58ch;
}

.page-faq .faq-close__mail {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-faq .faq-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-close__actions .btn {
  flex: 1 1 auto;
  text-align: center;
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-mobile-figure {
    max-width: 420px;
  }

  .page-faq .qa__sum {
    padding: 17px 20px;
    font-size: 15.5px;
  }

  .page-faq .qa__a {
    padding: 14px 20px 18px 50px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 228px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 22px;
    padding: 18px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    border-radius: var(--r-sm);
    white-space: normal;
    background: rgba(244, 240, 230, 0.05);
    padding: 9px 12px;
  }

  .page-faq .faq-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-close__actions .btn {
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__sum,
  .page-faq .qa__chev::before,
  .page-faq .qa__chev::after,
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<END>>>