.page-faq {
  --faq-card: #FBF8F1;
  --faq-line: rgba(12, 30, 25, 0.12);
  --faq-line-soft: rgba(12, 30, 25, 0.07);
  --faq-text: #1D2B25;
  --faq-text-soft: rgba(29, 43, 37, 0.72);
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(88px, 12vw, 150px) 0 clamp(44px, 6vw, 76px);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(120% 85% at 8% 0%, rgba(200, 50, 43, 0.22), transparent 56%),
    radial-gradient(90% 75% at 94% 6%, rgba(53, 208, 192, 0.11), transparent 62%),
    repeating-linear-gradient(90deg, rgba(244, 239, 228, 0.035) 0 1px, transparent 1px 96px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero .eyebrow {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 17em;
  font-size: clamp(2.15rem, 5.2vw, 4.4rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-faq .faq-hero__lede {
  margin-top: clamp(20px, 2.6vw, 30px);
  max-width: 34em;
  color: var(--paper-72);
  line-height: 1.8;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  background: rgba(244, 239, 228, 0.03);
  color: var(--paper-72);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  border-color: var(--line-gold);
  background: rgba(217, 164, 65, 0.09);
  color: var(--gold-mist);
}

.page-faq .faq-hero__jump .mono {
  color: var(--cinnabar-bright);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- 浅色正文区 ---------- */
.page-faq .faq-body {
  background: var(--paper);
  color: var(--faq-text);
  padding: clamp(44px, 6vw, 84px) 0 clamp(64px, 9vw, 118px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-index {
  border-left: 2px solid var(--faq-line);
  padding-left: 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  color: var(--faq-text-soft);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: rgba(200, 50, 43, 0.35);
}

.page-faq .faq-index__list .mono {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-faq .faq-index__aside {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faq-text-soft);
}

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

.page-faq .faq-index__aside a:hover {
  color: var(--cinnabar);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

.page-faq .faq-section + .rule {
  margin: clamp(38px, 5vw, 62px) 0;
}

.page-faq .faq-section__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.4vw, 1.95rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .faq-section__title .mono {
  flex: none;
  font-size: 0.55em;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}

.page-faq .faq-section__lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-text-soft);
}

/* ---------- 步骤轨道 ---------- */
.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--faq-card);
  border: 1px solid var(--faq-line-soft);
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(12, 30, 25, 0.035);
  transition: border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.page-faq .steps__item:hover {
  border-color: rgba(200, 50, 43, 0.28);
  box-shadow: 0 2px 14px rgba(12, 30, 25, 0.06);
}

.page-faq .steps__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(200, 50, 43, 0.3);
  background: rgba(200, 50, 43, 0.09);
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .steps__title {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-faq .steps__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--faq-text-soft);
}

.page-faq .steps--compact .steps__item {
  background: transparent;
  border-left: 2px solid rgba(92, 111, 90, 0.45);
  border-top: 0;
  border-right: 0;
  border-bottom: 1px solid var(--faq-line-soft);
  border-radius: 0;
  box-shadow: none;
  padding: 14px 0 14px 18px;
}

.page-faq .steps--compact .steps__num {
  background: rgba(92, 111, 90, 0.12);
  border-color: rgba(92, 111, 90, 0.35);
  color: var(--moss);
}

/* ---------- 排查顺序 ---------- */
.page-faq .checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .checks__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .checks__idx {
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-faq .checks__title {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-faq .checks__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--faq-text-soft);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

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

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(29, 43, 37, 0.55);
}

/* ---------- 三端下载 ---------- */
.page-faq .platforms {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .platforms__item {
  padding: 16px 18px;
  background: var(--faq-card);
  border: 1px solid var(--faq-line-soft);
  border-radius: 3px;
  border-top: 2px solid rgba(92, 111, 90, 0.6);
}

.page-faq .platforms__name {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-faq .platforms__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--faq-text-soft);
}

.page-faq .notify {
  margin-top: 20px;
  padding: 20px 20px 6px;
  background: rgba(240, 138, 60, 0.08);
  border: 1px solid rgba(240, 138, 60, 0.28);
  border-radius: 3px;
}

.page-faq .notify__title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #A85A1E;
}

.page-faq .notify p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--faq-text-soft);
}

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

.page-faq .faq-qa__item {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
  transition: color var(--dur-fast) var(--ease);
}

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

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

.page-faq .faq-qa__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.3;
  color: var(--moss);
}

.page-faq .faq-qa__item[open] .faq-qa__q::after {
  content: "\2212";
  color: var(--cinnabar);
}

.page-faq .faq-qa__a {
  padding: 0 2px 18px;
}

.page-faq .faq-qa__a p {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--faq-text-soft);
}

.page-faq .faq-qa__a a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 客服区 ---------- */
.page-faq .faq-support {
  margin-top: clamp(44px, 6vw, 72px);
  scroll-margin-top: calc(var(--topbar-h) + 24px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--ink-900);
  background-image: radial-gradient(120% 100% at 100% 0%, rgba(200, 50, 43, 0.22), transparent 58%);
  color: var(--paper);
}

.page-faq .faq-support__main {
  padding: clamp(24px, 4vw, 42px);
}

.page-faq .faq-support__eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-support__title {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-support__lede {
  margin: 0 0 22px;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-72);
}

.page-faq .faq-support__list {
  margin: 0 0 22px;
  display: grid;
  gap: 0;
}

.page-faq .faq-support__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-support__row:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-support__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--paper-40);
}

.page-faq .faq-support__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-support__row dd.mono {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--gold-mist);
}

.page-faq .faq-support__note {
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.75;
  color: var(--paper-72);
}

.page-faq .faq-support__links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-support__links a {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  color: var(--gold-mist);
  font-size: 13px;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.page-faq .faq-support__links a:hover,
.page-faq .faq-support__links a:focus-visible {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
}

.page-faq .faq-support__figure {
  margin: 0;
  align-self: stretch;
}

.page-faq .faq-support__figure .media {
  height: 100%;
  border-radius: 0;
}

.page-faq .faq-support__figure .media img {
  height: 100%;
  min-height: 220px;
}

.page-faq .faq-support__figure .faq-figure__cap {
  padding: 10px clamp(24px, 4vw, 42px) 18px;
  margin: 0;
  color: var(--paper-40);
}

/* ---------- 回到顶部 ---------- */
.page-faq .faq-backtop {
  margin: clamp(32px, 4vw, 48px) 0 0;
  text-align: right;
}

.page-faq .faq-backtop a {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--faq-line);
  color: var(--moss);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

.page-faq .faq-backtop a:hover {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .platforms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: stretch;
  }

  .page-faq .platforms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-figure {
    max-width: 620px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__jump a,
  .page-faq .steps__item,
  .page-faq .faq-index__list a,
  .page-faq .faq-qa__q,
  .page-faq .faq-support__links a,
  .page-faq .faq-backtop a {
    transition: none;
  }
}
<<<END>>>