.page-faq {
  --faq-line: rgba(232, 226, 214, .14);
  --faq-line-strong: rgba(232, 226, 214, .28);
  --faq-text: rgba(232, 226, 214, .82);
  --faq-text-dim: rgba(154, 167, 158, .95);
  background: var(--night);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(2rem, 5.5vw, 4rem) 0 clamp(1.75rem, 4vw, 3rem);
  background:
    radial-gradient(110% 80% at 84% -12%, rgba(46, 139, 87, .55) 0%, rgba(18, 61, 42, 0) 62%),
    linear-gradient(168deg, var(--deep) 0%, var(--night) 68%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -14%;
  bottom: -34%;
  width: 64%;
  height: 80%;
  background: linear-gradient(115deg, rgba(198, 255, 61, 0), rgba(198, 255, 61, .12));
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-faq .breadcrumbs {
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  font-size: .82rem;
  color: var(--rock);
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: .4rem;
  color: rgba(154, 167, 158, .6);
}

.page-faq .breadcrumbs a {
  color: var(--rock);
  text-decoration: none;
  transition: color .2s var(--ease);
}

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

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: end;
}

.page-faq .faq-h1 {
  margin: .8rem 0 0;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-faq .faq-lead {
  margin: 1.05rem 0 0;
  max-width: 46ch;
  color: var(--faq-text);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.4rem;
}

.page-faq .faq-jump a {
  padding: .45rem .85rem;
  border: 1px solid var(--faq-line-strong);
  border-radius: 999px;
  font-size: .85rem;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 255, 61, .08);
}

.page-faq .faq-hero-figure {
  margin: 0;
}

.page-faq .faq-hero-figure img,
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
}

.page-faq .faq-hero-figure figcaption,
.page-faq .faq-figure figcaption {
  margin-top: .65rem;
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--rock);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-stats li {
  padding: 1rem 1.05rem;
  background: rgba(11, 31, 23, .74);
  font-size: .82rem;
  line-height: 1.4;
  color: var(--faq-text-dim);
}

.page-faq .faq-stats .num {
  display: block;
  margin-bottom: .3rem;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--lime);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0 0;
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-toc {
  align-self: start;
}

.page-faq .faq-toc-title {
  margin: 0 0 .7rem;
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .toc-list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 .4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .toc-list a {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .5rem .8rem;
  white-space: nowrap;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .88rem;
  color: var(--faq-text-dim);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .toc-list a:hover,
.page-faq .toc-list a:focus-visible {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(198, 255, 61, .07);
}

.page-faq .toc-list .num {
  font-size: .72rem;
  color: var(--orange);
}

.page-faq .faq-toc-hint {
  display: none;
  margin: 1rem 0 0;
  font-size: .78rem;
  color: var(--rock);
}

.page-faq .faq-answers {
  min-width: 0;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  margin: 0 0 1.1rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--faq-line-strong);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(1.18rem, 2.6vw, 1.5rem);
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-faq .faq-group-head .num {
  font-size: .8rem;
  color: var(--orange);
}

.page-faq .faq-item {
  margin: 0 0 .6rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 61, 42, .62), rgba(11, 31, 23, .84));
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--faq-line-strong);
}

.page-faq .faq-item[open] {
  border-color: rgba(198, 255, 61, .42);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: 1rem 1.05rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: .75rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.2;
  color: var(--orange);
}

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

.page-faq .faq-a {
  padding: 0 1.05rem 1.15rem;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-a p + p,
.page-faq .faq-a p + .faq-note,
.page-faq .faq-a .steps + p {
  margin-top: .7rem;
}

.page-faq .faq-a a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: .18em;
}

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

.page-faq .steps {
  counter-reset: step;
  display: grid;
  gap: .45rem;
  margin: .2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
}

.page-faq .steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--lime);
}

.page-faq .faq-note {
  padding-left: .8rem;
  border-left: 2px solid var(--orange);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--faq-text-dim);
}

.page-faq .faq-figure {
  margin: 1.1rem 0 0;
}

/* ---------- 浅色分组 ---------- */
.page-faq .faq-group--light {
  padding: clamp(1.15rem, 3vw, 1.9rem);
  background: var(--cream);
  color: var(--charcoal);
  border-radius: var(--radius);
}

.page-faq .faq-group--light .faq-group-head {
  border-bottom-color: rgba(30, 36, 33, .18);
}

.page-faq .faq-group--light .faq-group-head h2 {
  color: var(--charcoal);
}

.page-faq .faq-group--light .faq-group-head .num {
  color: var(--grass);
}

.page-faq .faq-group--light .faq-item {
  background: rgba(245, 247, 242, .94);
  border-color: rgba(30, 36, 33, .14);
}

.page-faq .faq-group--light .faq-item[open] {
  border-color: var(--grass);
}

.page-faq .faq-group--light .faq-item summary {
  color: var(--charcoal);
}

.page-faq .faq-group--light .faq-item summary::after {
  color: var(--grass);
}

.page-faq .faq-group--light .faq-a {
  color: rgba(30, 36, 33, .8);
}

.page-faq .faq-group--light .faq-note {
  border-left-color: var(--grass);
  color: rgba(30, 36, 33, .66);
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-close {
  margin-top: clamp(2.75rem, 6vw, 4.5rem);
  padding: clamp(2.25rem, 5.5vw, 3.75rem) 0 clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--faq-line);
  background: linear-gradient(180deg, rgba(31, 107, 69, .28), rgba(11, 31, 23, 0) 78%);
}

.page-faq .faq-close-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-close-copy h2 {
  margin: .7rem 0 0;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  line-height: 1.25;
  color: var(--mist);
}

.page-faq .faq-close-copy p {
  margin: .85rem 0 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-close-copy .cluster {
  margin-top: 1.4rem;
}

.page-faq .faq-contact {
  display: grid;
  gap: .7rem;
  margin: 0;
}

.page-faq .faq-contact-item {
  padding: .9rem 1.05rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: rgba(11, 31, 23, .74);
}

.page-faq .faq-contact-item dt {
  margin-bottom: .3rem;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-faq .faq-contact-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact-item--text dd {
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-top-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .faq-top {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem .95rem;
  border: 1px solid var(--faq-line-strong);
  border-radius: 999px;
  font-size: .82rem;
  color: var(--rock);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.75rem);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-faq .toc-list {
    flex-direction: column;
    gap: .28rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .toc-list a {
    white-space: normal;
    font-size: .9rem;
  }

  .page-faq .faq-toc-hint {
    display: block;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-close-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-item summary {
    padding: 1.1rem 1.25rem;
    font-size: 1.02rem;
  }

  .page-faq .faq-a {
    padding: 0 1.25rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>