.page-faq {
  padding-bottom: clamp(56px, 8vw, 120px);
}

/* ---------- 顶部横幅 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin: 0 0 clamp(24px, 3.5vw, 48px);
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
  aspect-ratio: 5 / 3;
}

.page-faq .faq-hero img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.78;
}

.page-faq .faq-hero__cap {
  position: absolute;
  inset: auto 0 0 0;
  margin: 0;
  padding: 30px clamp(16px, 3vw, 34px) 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--note);
  background: linear-gradient(to top, rgba(6, 26, 20, 0.95), rgba(6, 26, 20, 0));
}

/* ---------- 首屏导语 ---------- */
.page-faq .faq-intro {
  display: grid;
  gap: 14px;
  max-width: 920px;
  margin-bottom: clamp(30px, 4.5vw, 60px);
}

.page-faq .faq-intro__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 250;
  font-size: clamp(30px, 5vw, 62px);
  line-height: 1.1;
  letter-spacing: 0.015em;
  color: var(--paper);
}

.page-faq .faq-intro__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.74);
}

/* ---------- 左右布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

/* ---------- 左侧主题索引 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--line-2);
  padding-top: 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--note);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--hair);
  color: rgba(244, 247, 245, 0.7);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--grass);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--note);
}

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

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--grass);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-index__link:hover .faq-index__count,
.page-faq .faq-index__link:focus-visible .faq-index__count {
  opacity: 1;
  transform: none;
}

/* ---------- 右侧问答主体 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-2);
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.4vw, 16px);
  color: var(--grass);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(20px, 2.5vw, 30px);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

/* ---------- 章节内配图 ---------- */
.page-faq .faq-media {
  margin: 22px 0 4px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
}

.page-faq .faq-media__cap {
  margin: 0;
  padding: 11px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--note);
  border-top: 1px solid var(--hair);
}

/* ---------- 单条问答 ---------- */
.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--hair);
}

.page-faq .qa__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  padding: 19px 34px 19px 2px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--paper);
  transition: color 0.18s ease;
}

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

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

.page-faq .qa__q::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -7px;
  border-right: 1px solid var(--note);
  border-bottom: 1px solid var(--note);
  transform: rotate(45deg);
  transition: transform 0.22s ease, border-color 0.22s ease, margin-top 0.22s ease;
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(-135deg);
  margin-top: -2px;
  border-color: var(--orange);
}

.page-faq .qa__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--note);
}

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

.page-faq .qa__a {
  display: grid;
  gap: 10px;
  padding: 0 34px 24px 2px;
}

.page-faq .qa[open] .qa__a {
  animation: faq-reveal 0.24s ease-out both;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 247, 245, 0.78);
}

.page-faq .qa__a .qa__extra {
  padding-left: 14px;
  border-left: 1px solid var(--line-2);
  font-size: 13.5px;
  color: var(--note);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 关键句下划线 ---------- */
.page-faq .hl {
  border-bottom: 1px solid var(--grass);
  padding-bottom: 1px;
}

/* ---------- 章节跳转链接 ---------- */
.page-faq .faq-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-bottom: 3px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 191, 122, 0.38);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 主题之间的呼吸带 ---------- */
.page-faq .faq-breath {
  height: clamp(48px, 7vw, 96px);
  margin: clamp(30px, 4.5vw, 58px) 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(79, 191, 122, 0.05) 0 42px,
    transparent 42px 84px
  );
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(48px, 7vw, 96px);
  border: 1px solid var(--line-2);
  background: linear-gradient(135deg, var(--panel) 0%, var(--ink-deep) 100%);
}

.page-faq .faq-cta__inner {
  padding: clamp(26px, 4vw, 48px);
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.74);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    aspect-ratio: 1920 / 500;
  }

  .page-faq .faq-media {
    max-width: 560px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1320px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
  }
}

/* ---------- 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa[open] .qa__a {
    animation: none;
  }

  .page-faq .qa__q::after,
  .page-faq .faq-index__count,
  .page-faq .faq-index__link,
  .page-faq .faq-link {
    transition: none;
  }
}
<<<END>>>