.page-faq {
  --faq-rail-w: 236px;
  --faq-shell-gap: clamp(36px, 6vw, 88px);
  --faq-line: var(--line);
  background: var(--paper);
  color: var(--text);
  font-family: var(--f-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 140px;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(15, 163, 107, 0) 0%,
    rgba(15, 163, 107, 0.32) 42%,
    rgba(255, 106, 24, 0.22) 72%,
    rgba(255, 106, 24, 0) 100%
  );
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), var(--amber), transparent);
  opacity: 0.45;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

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

.page-faq .crumbs {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(244, 251, 247, 0.6);
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 251, 247, 0.35);
}

.page-faq .crumbs a {
  color: rgba(244, 251, 247, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 251, 247, 0.3);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--green-soft);
  border-bottom-color: var(--green-soft);
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px 6px 12px;
  font-family: var(--f-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: linear-gradient(90deg, var(--amber), var(--orange));
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--f-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(2.3rem, 6.6vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  transform: skewX(-5deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero__title::before {
  content: "";
  display: block;
  width: 66px;
  height: 8px;
  margin-bottom: 22px;
  background: linear-gradient(90deg, var(--orange), var(--amber));
  transform: skewX(-24deg);
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.78;
  color: rgba(244, 251, 247, 0.82);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: rgba(203, 217, 210, 0.18);
  border: 1px solid rgba(203, 217, 210, 0.18);
}

.page-faq .faq-hero__stats .kv {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--ink);
}

.page-faq .faq-hero__stats .kv-key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green-soft);
}

.page-faq .faq-hero__stats .kv-val {
  font-family: var(--f-head);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 7 / 4;
  overflow: hidden;
  border: 1px solid rgba(203, 217, 210, 0.2);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

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

/* ---------- 分组索引 ---------- */
.page-faq .faq-legend {
  background: var(--teal);
  border-bottom: 1px solid rgba(203, 217, 210, 0.18);
  padding: 18px 0;
}

.page-faq .faq-legend__inner {
  display: grid;
  gap: 12px;
}

.page-faq .faq-legend__cap {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green-soft);
}

.page-faq .legend-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .legend-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--f-head);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(203, 217, 210, 0.28);
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .legend-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .legend-btn:hover,
.page-faq .legend-btn:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
}

.page-faq .legend-btn:hover .legend-num,
.page-faq .legend-btn:focus-visible .legend-num {
  color: var(--paper);
}

/* ---------- 图例配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  background: var(--ink);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.88;
}

.page-faq .faq-figure figcaption {
  padding: 12px var(--gut);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

/* ---------- 分组骨架 ---------- */
.page-faq .faq-group {
  padding: clamp(56px, 8vw, 116px) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__inner {
  display: grid;
  gap: 28px;
}

.page-faq .faq-group__rail {
  padding-left: 18px;
  border-left: 3px solid var(--green);
}

.page-faq .faq-group__num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-group__name {
  margin: 0 0 10px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 30ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

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

/* ---------- 分组配色 ---------- */
.page-faq .faq-group--mint {
  background: #E7F4ED;
}

.page-faq .faq-group--teal,
.page-faq .faq-group--indigo,
.page-faq .faq-group--wine {
  border-bottom-color: rgba(203, 217, 210, 0.18);
  color: var(--paper);
}

.page-faq .faq-group--teal {
  background: var(--teal);
}

.page-faq .faq-group--indigo {
  background: var(--indigo);
}

.page-faq .faq-group--wine {
  background: var(--wine);
}

.page-faq .faq-group--teal .faq-group__name,
.page-faq .faq-group--indigo .faq-group__name,
.page-faq .faq-group--wine .faq-group__name {
  color: var(--paper);
}

.page-faq .faq-group--teal .faq-group__note,
.page-faq .faq-group--indigo .faq-group__note,
.page-faq .faq-group--wine .faq-group__note {
  color: rgba(244, 251, 247, 0.72);
}

.page-faq .faq-group--mint .faq-group__rail {
  border-left-color: var(--green);
}

.page-faq .faq-group--teal .faq-group__rail {
  border-left-color: var(--green-soft);
}

.page-faq .faq-group--indigo .faq-group__rail {
  border-left-color: var(--amber);
}

.page-faq .faq-group--wine .faq-group__rail {
  border-left-color: var(--orange);
}

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

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

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 14px;
  gap: 14px;
  align-items: start;
  padding: 20px 4px 20px 0;
  cursor: pointer;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.55;
  color: var(--text);
  list-style: none;
  transition: color 180ms var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover {
  color: var(--green);
}

.page-faq .qa__idx {
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .qa__mark {
  width: 0;
  height: 0;
  margin-top: 8px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--orange);
  transform: skewX(-12deg);
  transition: transform 180ms var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: skewX(-12deg) rotate(180deg);
}

.page-faq .qa__a {
  padding: 0 34px 24px 36px;
  animation: faqReveal 180ms var(--ease);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa__a a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 163, 107, 0.4);
}

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

/* 深色分组内的问答 */
.page-faq .faq-group--teal .qa,
.page-faq .faq-group--indigo .qa,
.page-faq .faq-group--wine .qa {
  border-color: rgba(203, 217, 210, 0.18);
}

.page-faq .faq-group--teal .qa__q,
.page-faq .faq-group--indigo .qa__q,
.page-faq .faq-group--wine .qa__q {
  color: var(--paper);
}

.page-faq .faq-group--teal .qa__a p,
.page-faq .faq-group--indigo .qa__a p,
.page-faq .faq-group--wine .qa__a p {
  color: rgba(244, 251, 247, 0.78);
}

.page-faq .faq-group--teal .qa__a a,
.page-faq .faq-group--indigo .qa__a a,
.page-faq .faq-group--wine .qa__a a {
  color: var(--green-soft);
  border-bottom-color: rgba(111, 211, 168, 0.45);
}

.page-faq .faq-group--teal .qa__a a:hover,
.page-faq .faq-group--indigo .qa__a a:hover,
.page-faq .faq-group--wine .qa__a a:hover,
.page-faq .faq-group--teal .qa__a a:focus-visible,
.page-faq .faq-group--indigo .qa__a a:focus-visible,
.page-faq .faq-group--wine .qa__a a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(56px, 8vw, 100px) 0;
}

.page-faq .faq-outro__inner {
  display: grid;
  gap: 28px;
}

.page-faq .faq-outro__title {
  margin: 0 0 14px;
  font-family: var(--f-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  transform: skewX(-5deg);
  transform-origin: left bottom;
}

.page-faq .faq-outro__text p {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(244, 251, 247, 0.78);
}

.page-faq .faq-outro__text a {
  color: var(--green-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 211, 168, 0.45);
}

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

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

.page-faq .faq-outro__acts .btn-primary {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 800;
}

.page-faq .faq-outro__acts .btn-primary:hover,
.page-faq .faq-outro__acts .btn-primary:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
}

.page-faq .faq-outro__acts .btn-ghost {
  background: transparent;
  border-color: rgba(203, 217, 210, 0.34);
  color: var(--paper);
}

.page-faq .faq-outro__acts .btn-ghost:hover,
.page-faq .faq-outro__acts .btn-ghost:focus-visible {
  border-color: var(--green-soft);
  color: var(--green-soft);
}

/* ---------- 焦点环 ---------- */
.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-faq .qa__q:focus-visible {
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-legend__inner {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }

  .page-faq .faq-outro__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-outro__acts {
    justify-content: flex-end;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(40px, 6vw, 84px);
    align-items: center;
  }

  .page-faq .faq-group__inner {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-shell-gap);
    align-items: start;
  }

  .page-faq .faq-group__rail {
    position: sticky;
    top: 120px;
  }
}

@media (max-width: 619px) {
  .page-faq .faq-hero__title {
    transform: none;
  }

  .page-faq .faq-outro__title {
    transform: none;
  }

  .page-faq .faq-hero__media {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  }

  .page-faq .qa__q {
    grid-template-columns: 18px minmax(0, 1fr) 12px;
    gap: 10px;
    font-size: 1rem;
  }

  .page-faq .qa__a {
    padding: 0 12px 22px 28px;
  }

  .page-faq .qa__a p {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .qa__mark,
  .page-faq .legend-btn {
    transition: none;
  }
}
<<<END>>>