.page-faq {
  --faq-rail-w: 240px;
  --faq-node: 11px;
  background: var(--kw-white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--kw-green);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 38, 23, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 38, 23, 0.13) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(59, 38, 23, 0.22);
  transform: rotate(28deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(40px, 7vw, 88px) clamp(52px, 8vw, 104px);
}

.page-faq .faq-hero__grid {
  display: block;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--kw-serif);
  font-weight: 900;
  font-size: clamp(2.05rem, 6.4vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--kw-brown-deep);
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 42ch;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--kw-brown-deep);
}

.page-faq .faq-hero__float {
  margin-top: 32px;
  padding: 22px 22px 20px;
  background: var(--kw-white);
  border: 1px solid var(--kw-seed);
  border-top: 4px solid var(--kw-amber);
  box-shadow: 10px 10px 0 rgba(59, 38, 23, 0.16);
}

.page-faq .faq-hero__float-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--kw-brown);
  font-family: var(--kw-sans);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--kw-brown);
}

.page-faq .faq-hero__stats .kw-num {
  font-family: var(--kw-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--kw-moss);
  letter-spacing: 0.02em;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: block;
  padding-block: clamp(40px, 6vw, 76px) clamp(48px, 7vw, 96px);
}

/* ---------- 侧边时间轴 ---------- */
.page-faq .faq-rail {
  margin-bottom: 34px;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--kw-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kw-moss);
}

.page-faq .faq-rail__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
}

.page-faq .faq-rail__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 9px 14px;
  background: var(--kw-white);
  border: 1px solid var(--kw-line);
  color: var(--kw-brown-deep);
  font-size: 14px;
  font-family: var(--kw-sans);
  text-decoration: none;
  transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.page-faq .faq-rail__link::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 12px;
  border-radius: 50%;
  background: var(--kw-green-soft);
  border: 1px solid var(--kw-green);
  transition: background-color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--kw-green-soft);
  border-color: var(--kw-green);
}

.page-faq .faq-rail__link:hover::before {
  background: var(--kw-amber);
  border-color: var(--kw-amber);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(44px, 7vw, 76px);
  scroll-margin-top: 110px;
}

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

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  padding-top: 16px;
  margin-bottom: 22px;
  border-top: 1px solid var(--kw-line);
  transition: border-top-color 0.2s ease;
}

.page-faq .faq-group:target .faq-group__head {
  border-top-color: var(--kw-amber);
}

.page-faq .faq-group__head .kw-kicker {
  margin: 0;
  color: var(--kw-moss);
}

.page-faq .faq-group__head .kw-h2 {
  margin: 0;
  color: var(--kw-brown-deep);
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  line-height: 1.25;
}

.page-faq .faq-group__head .kw-text {
  margin: 0;
  max-width: 42em;
  color: var(--kw-seed);
}

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

.page-faq .faq-item {
  border-top: 1px solid var(--kw-line);
}

.page-faq .faq-item:first-child {
  border-top: 0;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--kw-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--kw-brown-deep);
  transition: color 0.16s ease;
}

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

.page-faq .faq-item__q::before {
  content: "";
  flex: 0 0 14px;
  width: 14px;
  height: 2px;
  margin-top: 0.62em;
  background: var(--kw-moss);
  transition: background-color 0.16s ease, transform 0.16s ease;
}

.page-faq .faq-item[open] .faq-item__q::before {
  background: var(--kw-amber);
  transform: scaleX(1.5);
}

.page-faq .faq-item__q:hover {
  color: var(--kw-moss);
}

.page-faq .faq-item__a {
  position: relative;
  margin: 0 0 20px 28px;
  padding: 16px 18px 14px;
  background: var(--kw-cyan);
  border-left: 2px solid var(--kw-moss);
}

.page-faq .faq-item__a::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 22px;
  width: 1px;
  height: 14px;
  background: var(--kw-moss);
  opacity: 0.55;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--kw-seed);
}

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

.page-faq .faq-item__a .kw-note {
  display: block;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px dashed rgba(46, 107, 92, 0.35);
  font-family: var(--kw-kai);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kw-moss);
}

.page-faq .kw-link {
  color: var(--kw-moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  display: block;
  margin: 0 0 26px;
}

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

.page-faq .faq-media--34 img {
  aspect-ratio: 3 / 4;
}

.page-faq .faq-media--32 img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-media--after {
  margin: 30px 0 0;
}

.page-faq .faq-media .kw-media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--kw-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--kw-brown);
}

/* ---------- 兜底联系区 ---------- */
.page-faq .faq-ask {
  padding: 26px clamp(18px, 4vw, 34px) 24px;
  background: var(--kw-brown);
  border-top: 4px solid var(--kw-amber);
  color: var(--kw-white);
}

.page-faq .faq-ask__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(253, 253, 247, 0.22);
}

.page-faq .faq-ask__item:first-child {
  padding-top: 0;
}

.page-faq .faq-ask__text {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  min-width: 0;
}

.page-faq .faq-ask__key {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--kw-green-soft);
}

.page-faq .faq-ask__val {
  font-family: var(--kw-mono);
  font-size: 0.98rem;
  word-break: break-all;
  color: var(--kw-white);
}

.page-faq .faq-ask .kw-copy {
  margin-left: auto;
  padding: 7px 14px;
  font-family: var(--kw-sans);
  font-size: 13px;
  color: var(--kw-white);
  background: transparent;
  border: 1px solid rgba(253, 253, 247, 0.45);
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.page-faq .faq-ask .kw-copy:hover,
.page-faq .faq-ask .kw-copy:focus-visible {
  background: var(--kw-green);
  border-color: var(--kw-green);
  color: var(--kw-seed);
}

.page-faq .faq-ask__item--note {
  display: block;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-ask__item--note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(253, 253, 247, 0.86);
  max-width: 46em;
}

.page-faq .faq-ask__link {
  color: var(--kw-green-soft);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

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

  .page-faq .faq-media--34 {
    max-width: 420px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(280px, 0.78fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: end;
  }

  .page-faq .faq-hero__float {
    margin-top: 0;
    transform: translateY(6px);
  }

  .page-faq .faq-body {
    display: grid;
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
    margin-bottom: 0;
  }

  .page-faq .faq-rail__nav {
    display: block;
    position: relative;
    overflow: visible;
    padding-left: 22px;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__nav::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 14px;
    bottom: 14px;
    width: 1px;
    background: var(--kw-line);
  }

  .page-faq .faq-rail__link {
    display: flex;
    width: 100%;
    padding: 12px 10px 12px 0;
    white-space: normal;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--kw-line);
    font-size: 15px;
  }

  .page-faq .faq-rail__link::before {
    margin-left: -22px;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    background: var(--kw-green-soft);
    transform: translateX(2px);
  }

  .page-faq .faq-media--34 {
    max-width: 340px;
  }

  .page-faq .faq-ask {
    display: grid;
    gap: 0;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-rail {
    --faq-rail-w: 260px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 1fr);
    max-width: 62ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::before,
  .page-faq .faq-ask .kw-copy,
  .page-faq .faq-group__head {
    transition: none;
  }
}
<<<END>>>