.page-faq {
  --faq-gap: clamp(20px, 3vw, 34px);
  --faq-panel: linear-gradient(165deg, rgba(28, 31, 36, .96), rgba(14, 15, 18, .96));
  --faq-hair: rgba(214, 168, 75, .18);
  padding-bottom: clamp(48px, 7vw, 96px);
  color: var(--mist);
  background:
    radial-gradient(120% 58% at 84% 0%, var(--gold-a10), transparent 62%),
    radial-gradient(90% 46% at 0% 34%, var(--cyan-a14), transparent 60%),
    radial-gradient(80% 40% at 100% 82%, var(--sand-a14), transparent 62%),
    var(--ink-900);
}

.page-faq a {
  color: var(--gold-bright);
  text-decoration-color: var(--cyan-a45);
  text-underline-offset: 3px;
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* 面包屑 */
.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 24px);
  font-size: 13px;
}

.page-faq .breadcrumb a {
  color: var(--mist-a55);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--gold-bright);
}

.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--gold-deep);
}

.page-faq .breadcrumb__current {
  color: var(--gold);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(24px, 4vw, 52px) 0 clamp(30px, 5vw, 58px);
  align-items: center;
}

.page-faq .faq-hero__text h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  background: linear-gradient(100deg, var(--mist) 20%, var(--gold-bright) 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-a70);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mist-a55);
}

.page-faq .faq-hero__facts .mono {
  margin-right: 6px;
  font-size: 17px;
  color: var(--gold-bright);
}

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

/* 章节头微调 */
.page-faq .faq-block + .faq-block {
  padding-top: clamp(6px, 1.6vw, 18px);
}

.page-faq .section-head__title {
  line-height: 1.2;
}

.page-faq .section-head__desc {
  max-width: 62ch;
}

/* 三步索引用法 */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 22px 24px 26px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  background: var(--faq-panel);
  overflow: hidden;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-deep));
}

.page-faq .faq-step__num {
  display: inline-block;
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-a70);
}

/* 高频入口 */
.page-faq .faq-quick {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-quick__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 20px 18px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  background: var(--faq-panel);
  text-decoration: none;
  color: var(--mist);
  transition: transform .25s var(--ease-pop), border-color .25s ease, background .25s ease;
}

.page-faq .faq-quick__card:hover,
.page-faq .faq-quick__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold-a50);
  background: linear-gradient(165deg, rgba(38, 42, 51, .96), rgba(20, 22, 27, .96));
}

.page-faq .faq-quick__idx {
  font-size: 13px;
  color: var(--gold);
}

.page-faq .faq-quick__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-quick__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-a55);
}

.page-faq .faq-quick__go {
  margin-top: 10px;
  font-size: 13px;
  color: var(--cyan);
}

/* 氛围图 */
.page-faq .faq-band {
  margin: 0 0 var(--faq-gap);
  border-radius: var(--r-xl);
  overflow: hidden;
}

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

/* 书签 + 问答布局 */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-bookmarks {
  padding: 14px 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  background: rgba(28, 31, 36, .82);
}

.page-faq .faq-bookmarks__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-bookmarks__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-bookmarks__list li {
  flex: 0 0 auto;
}

.page-faq .faq-bookmarks__list a {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--gold-a18);
  border-radius: var(--r-pill);
  font-size: 14px;
  color: var(--mist-a70);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-faq .faq-bookmarks__list a:hover,
.page-faq .faq-bookmarks__list a:focus-visible {
  border-color: var(--gold-a50);
  background: var(--gold-a10);
  color: var(--gold-bright);
}

.page-faq .faq-bookmarks__hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

/* 问答组 */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--gold-a18);
}

.page-faq .faq-group__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold-deep);
}

.page-faq .faq-group.is-current .faq-group__num,
.page-faq [data-section].is-current .num {
  color: var(--gold-bright);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-faq .faq-group__head .tag {
  margin-left: auto;
}

/* 手风琴 */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid rgba(244, 239, 230, .08);
  border-radius: var(--r-lg);
  background: var(--ink-800);
  transition: border-color .25s ease, background .25s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--gold-a30);
  background: linear-gradient(165deg, rgba(38, 42, 51, .94), rgba(18, 20, 24, .96));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 18px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--gold-bright);
}

.page-faq .faq-item__q:hover {
  color: var(--gold-bright);
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12px;
  color: var(--gold-deep);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-a70);
  border-top: 1px solid rgba(214, 168, 75, .12);
  padding-top: 14px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a ul {
  margin: 0 0 10px;
  padding-left: 18px;
  list-style: none;
}

.page-faq .faq-item__a li {
  position: relative;
  margin-bottom: 6px;
  padding-left: 14px;
}

.page-faq .faq-item__a li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .8;
}

.page-faq .faq-item__a strong {
  color: var(--gold-bright);
  font-weight: 700;
}

/* 故障排查流程 */
.page-faq .faq-trouble {
  display: grid;
  gap: 14px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-trouble__step {
  position: relative;
  padding: 20px 20px 22px 40px;
  border: 1px solid var(--cyan-a45);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(28, 31, 36, .94), rgba(14, 15, 18, .94));
}

.page-faq .faq-trouble__dot {
  position: absolute;
  left: 18px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px var(--cyan-a14);
}

.page-faq .faq-trouble__step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-trouble__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-a70);
}

/* 阅读模式 */
.page-faq .faq-modes {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-mode {
  padding: 22px;
  border-radius: var(--r-lg);
  background: var(--faq-panel);
  border: 1px solid rgba(244, 239, 230, .08);
}

.page-faq .faq-mode--scroll {
  border-left: 4px solid var(--sand);
}

.page-faq .faq-mode--compact {
  border-left: 4px solid var(--cyan);
}

.page-faq .faq-mode h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--mist);
}

.page-faq .faq-mode p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-a70);
}

/* 人工支持 */
.page-faq .faq-support {
  display: grid;
  gap: 20px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--gold-a30);
  border-radius: var(--r-xl);
  background:
    linear-gradient(150deg, rgba(214, 168, 75, .10), rgba(14, 15, 18, .96) 62%),
    var(--ink-800);
}

.page-faq .faq-support h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  color: var(--mist);
}

.page-faq .faq-support p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-a70);
}

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

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-modes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 桌面：首屏非对称分栏 + 书签固定 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 3vw, 40px);
  }

  .page-faq .faq-bookmarks {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-bookmarks__list {
    display: block;
    overflow: visible;
    gap: 0;
    padding: 0;
  }

  .page-faq .faq-bookmarks__list li + li {
    margin-top: 6px;
  }

  .page-faq .faq-bookmarks__list a {
    border-radius: var(--r-md);
    padding: 9px 14px;
  }

  .page-faq .faq-item__q {
    padding: 18px 22px;
  }

  .page-faq .faq-item__a {
    padding: 16px 22px 20px;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-item,
  .page-faq .faq-bookmarks__list a {
    transition: none;
  }

  .page-faq .faq-quick__card:hover {
    transform: none;
  }
}
<<<END>>>