.page-faq {
  --faq-gap: clamp(48px, 7vw, 104px);
  --faq-accent: var(--clay);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(28px, 4.5vw, 56px);
}

.page-faq .faq-hero__grid {
  margin-top: clamp(22px, 3.6vw, 42px);
  align-items: start;
}

.page-faq .faq-hero .t-eyebrow {
  color: var(--clay);
}

.page-faq .faq-hero .t-display {
  margin: 12px 0 20px;
  max-width: 18ch;
}

.page-faq .faq-hero .t-lead {
  max-width: 62ch;
}

.page-faq .faq-hero__jump {
  margin-top: 32px;
  padding: clamp(22px, 3vw, 30px);
  background: var(--deep);
  color: var(--bone);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__jump {
    margin-top: 6px;
    clip-path: polygon(22px 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%, 0 22px);
  }
}

.page-faq .faq-jump__title {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--yellow);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-jump__item + .faq-jump__item .faq-jump__link {
  border-top: 1px solid var(--line-invert);
}

.page-faq .faq-jump__link {
  display: block;
  padding: 14px 0;
  text-decoration: none;
  color: var(--bone);
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-jump__label {
  display: block;
  font-size: 16px;
  line-height: 1.5;
}

.page-faq .faq-jump__hint {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--rock);
}

/* ---------- 主体骨架：左坐标 + 右问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(34px, 5vw, 60px);
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    column-gap: clamp(44px, 6vw, 92px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 34px;
  }
}

.page-faq .faq-rail__figure {
  margin: 0 0 22px;
  background: var(--moss);
  line-height: 0;
}

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

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

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(142px, 1fr));
}

@media (min-width: 900px) {
  .page-faq .faq-rail__list {
    grid-template-columns: 1fr;
  }
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 10px 11px 0;
  border-top: 1px solid var(--line);
  color: var(--char);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

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

.page-faq .faq-rail__num {
  font-size: 12px;
  color: var(--rock);
}

/* ---------- 分组通用 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: var(--faq-gap);
}

.page-faq .faq-group__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-group__head .t-eyebrow {
  color: var(--clay);
  margin-bottom: 10px;
}

.page-faq .faq-group__head .t-h2 {
  margin: 0 0 14px;
  max-width: 26ch;
}

.page-faq .faq-group__head .t-lead {
  margin: 0;
  max-width: 60ch;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  transition: color 180ms var(--ease);
}

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

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

.page-faq .faq-q:hover,
.page-faq .faq-item[open] .faq-q {
  color: var(--clay);
}

.page-faq .faq-q__num {
  flex: none;
  font-size: 12px;
  color: var(--rock);
}

.page-faq .faq-q__text {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-q::after {
  content: "";
  flex: none;
  align-self: center;
  margin-left: auto;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid var(--clay);
  transition: transform 200ms var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(180deg);
}

.page-faq .faq-a {
  padding-bottom: 20px;
}

.page-faq .faq-a__inner {
  margin: 0 0 0 30px;
  padding-left: 16px;
  border-left: 2px solid var(--clay);
  max-width: 62ch;
  color: var(--char-soft);
  line-height: 1.8;
}

.page-faq .faq-item[open] .faq-a__inner {
  animation: faq-rise 240ms var(--ease) both;
}

@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a__inner {
    animation: none;
  }
  .page-faq .faq-q::after,
  .page-faq .faq-rail__link,
  .page-faq .faq-jump__link {
    transition: none;
  }
}

/* ---------- 中段插图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  padding: 22px 0 24px;
  line-height: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  background: var(--moss);
  object-fit: cover;
}

.page-faq .faq-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--rock);
  line-height: 1.6;
}

/* ---------- 深绿分组：读图与读表 ---------- */
.page-faq .faq-group--deep {
  padding: clamp(26px, 4vw, 46px);
  background: var(--deep);
  color: var(--bone);
  clip-path: polygon(0 26px, 26px 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-group--deep .t-h2,
.page-faq .faq-group--deep .t-h3 {
  color: var(--bone);
}

.page-faq .faq-group--deep .t-eyebrow {
  color: var(--yellow);
}

.page-faq .faq-group--deep .t-lead {
  color: rgba(243, 238, 228, 0.76);
}

.page-faq .faq-group--deep .faq-read__item p {
  color: rgba(243, 238, 228, 0.82);
}

.page-faq .faq-read {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

@media (min-width: 760px) {
  .page-faq .faq-read {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 54px);
  }
}

.page-faq .faq-read__item {
  border-top: 1px solid var(--line-invert);
  padding-top: 18px;
}

.page-faq .faq-read__item .t-h3 {
  margin: 0 0 12px;
}

.page-faq .faq-read__item p {
  margin: 0;
  max-width: 46ch;
  line-height: 1.8;
}

.page-faq .faq-legend {
  margin-top: 16px;
}

.page-faq .faq-group--deep .legend__item {
  color: var(--bone);
}

/* ---------- 坐标索引：设备与网络 ---------- */
.page-faq .faq-index {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

@media (min-width: 720px) {
  .page-faq .faq-index__row {
    grid-template-columns: 180px minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
    align-items: baseline;
  }
}

.page-faq .faq-index__key {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--deep);
  margin: 0;
}

.page-faq .faq-index__val {
  margin: 0;
  max-width: 62ch;
  color: var(--char-soft);
  line-height: 1.75;
}

/* ---------- 苔绿分组：联系 ---------- */
.page-faq .faq-group--moss {
  padding: clamp(26px, 4vw, 46px);
  background: var(--moss);
  color: var(--bone);
  clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%, 0 26px);
}

.page-faq .faq-group--moss .t-h2 {
  color: var(--bone);
}

.page-faq .faq-group--moss .t-eyebrow {
  color: var(--bone-dim);
}

.page-faq .faq-group--moss .t-lead {
  color: rgba(243, 238, 228, 0.8);
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-bottom: 1px solid var(--line-invert);
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-invert);
}

@media (min-width: 720px) {
  .page-faq .faq-contact__item {
    grid-template-columns: 160px minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
    align-items: baseline;
  }
}

.page-faq .faq-contact__key {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: rgba(243, 238, 228, 0.66);
}

.page-faq .faq-contact__val {
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--bone);
  line-height: 1.6;
}

.page-faq .faq-cta {
  margin: 0;
}

.page-faq .faq-cta .btn {
  text-decoration: none;
}
<<<END>>>