.page-faq {
  --faq-rule: rgba(47, 78, 82, 0.16);
  --faq-rule-strong: rgba(47, 78, 82, 0.34);
  --faq-shadow: 0 10px 30px rgba(34, 56, 59, 0.08);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .breadcrumbs {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-faq .crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--brick-mid);
}

.page-faq .crumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--brick-mist);
}

.page-faq .crumb-list a {
  color: var(--brick);
  text-decoration: none;
}

.page-faq .crumb-list a:hover,
.page-faq .crumb-list a:focus-visible {
  color: var(--signal-deep);
}

.page-faq .crumb-current {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-hero__lead .meta-note {
  color: var(--gold);
  letter-spacing: 0.16em;
  margin: 0 0 14px;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--brick-deep);
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 16em;
}

.page-faq .faq-hero__lead .lede {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  max-width: 38em;
  color: var(--ink);
  margin: 0;
}

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

.page-faq .faq-hero__figure .figure-media {
  position: relative;
  clip-path: var(--edge-cut);
  background: var(--paper-deep);
  overflow: hidden;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-hero__figure .figure-tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: var(--signal);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .faq-hero__figure .figure-cap {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brick-mid);
}

/* ---------- 热门四卡 ---------- */
.page-faq .faq-quick {
  display: grid;
  gap: 14px;
  margin-top: clamp(30px, 5vw, 56px);
}

.page-faq .quick-card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 20px 18px 20px 24px;
  background: var(--paper-deep);
  clip-path: var(--edge-cut);
  text-decoration: none;
  color: var(--brick-deep);
  transition: background 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .quick-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--brick);
}

.page-faq .quick-card:nth-child(2)::before {
  background: var(--gold);
}

.page-faq .quick-card:nth-child(3)::before {
  background: var(--signal);
}

.page-faq .quick-card:nth-child(4)::before {
  background: var(--brick-mist);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  background: #efe6d5;
  box-shadow: inset 0 0 0 2px var(--gold);
  outline: none;
}

.page-faq .quick-card__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .quick-card__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
}

.page-faq .quick-card__note {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--brick-mid);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-main {
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-faq .faq-toc {
  border-top: 2px solid var(--gold);
  padding-top: 16px;
}

.page-faq .faq-toc__title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--brick-mid);
  margin: 0 0 12px;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
}

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--brick);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-toc__list a::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: transparent;
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--signal-deep);
  border-color: var(--signal);
  outline: none;
}

.page-faq .faq-toc__list a:hover::after,
.page-faq .faq-toc__list a:focus-visible::after {
  background: var(--signal);
}

.page-faq .faq-toc__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-toc__aside {
  margin: 14px 0 0;
  color: var(--brick-mist);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: clamp(36px, 5vw, 56px);
  border-top: 1px solid var(--faq-rule);
}

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

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

.page-faq .section-index {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 66px);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.page-faq .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--brick-deep);
  margin: 10px 0 8px;
  max-width: 24em;
}

.page-faq .section-kicker {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--brick-mid);
  margin: 0;
  max-width: 38em;
}

/* ---------- iOS 三步 ---------- */
.page-faq .ios-panel {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: step;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 20px;
  background: var(--paper-deep);
  clip-path: var(--edge-cut);
}

.page-faq .step__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 38px;
  line-height: 0.9;
  color: var(--brick);
  font-variant-numeric: tabular-nums;
  opacity: 0.55;
}

.page-faq .step__text h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--brick-deep);
  margin: 0 0 6px;
}

.page-faq .step__text p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
}

.page-faq .ios-panel__figure {
  margin: 0;
}

.page-faq .ios-panel__figure .figure-media {
  position: relative;
  clip-path: var(--edge-cut);
  background: var(--brick-deep);
  overflow: hidden;
}

.page-faq .ios-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

.page-faq .ios-panel__figure .figure-tag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 8px 14px;
  background: var(--gold-soft);
  color: var(--brick-deep);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .ios-panel__figure .figure-cap {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brick-mid);
}

.page-faq .faq-note {
  margin-top: clamp(20px, 3vw, 30px);
  padding: 20px 22px;
  background: var(--signal-pale);
  clip-path: var(--edge-cut);
}

.page-faq .faq-note p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0;
  max-width: 38em;
}

.page-faq .faq-note > p + p {
  margin-top: 16px;
}

.page-faq .faq-state {
  display: inline-block;
  margin-right: 8px;
  padding: 3px 10px;
  background: var(--gold-soft);
  color: var(--brick-deep);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  vertical-align: 2px;
}

.page-faq .btn--ghost {
  display: inline-block;
  padding: 10px 18px;
  border: 2px solid var(--brick);
  color: var(--brick-deep);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  clip-path: var(--edge-cut);
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .btn--ghost:hover,
.page-faq .btn--ghost:focus-visible {
  background: var(--brick);
  color: var(--paper);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 手风琴问答 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 34px 18px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--brick-deep);
  transition: color 160ms var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  width: 22px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  color: var(--brick-mid);
}

.page-faq .qa[open] summary {
  color: var(--signal-deep);
}

.page-faq .qa[open] summary::after {
  content: "−";
  color: var(--signal);
}

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--signal-deep);
  outline: none;
}

.page-faq .qa summary:focus-visible {
  box-shadow: inset 0 0 0 2px var(--gold);
}

.page-faq .qa__num {
  flex: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__body {
  position: relative;
  padding: 2px 0 22px 38px;
}

.page-faq .qa__body::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 0;
  width: 2px;
  height: calc(100% - 26px);
  background: linear-gradient(to bottom, var(--gold), var(--signal));
  transform: skewX(-14deg);
  transform-origin: top left;
}

.page-faq .qa__body p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0;
  max-width: 38em;
}

.page-faq .faq-more {
  margin: 20px 0 0;
}

.page-faq .faq-more a {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--signal-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}

.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible {
  color: var(--brick-deep);
  border-color: var(--brick-deep);
  outline: none;
}

/* ---------- 账号安全自查 ---------- */
.page-faq .checklist {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--paper-deep);
  clip-path: var(--edge-cut);
}

.page-faq .checklist__num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--brick);
  color: var(--gold-soft);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
}

.page-faq .checklist p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
}

.page-faq .checklist strong {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--brick-deep);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  background: var(--brick-deep);
  color: var(--paper);
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-contact__lead .meta-note {
  color: var(--gold-soft);
  letter-spacing: 0.16em;
  margin: 0 0 14px;
}

.page-faq .faq-contact__lead h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--paper);
  max-width: 18em;
}

.page-faq .faq-contact__lead p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(246, 241, 231, 0.86);
  margin: 0;
  max-width: 36em;
}

.page-faq .faq-contact__meta {
  margin-top: 12px !important;
  font-family: var(--font-sans) !important;
  font-size: 13px !important;
  letter-spacing: 0.02em;
  color: var(--gold-soft) !important;
}

.page-faq .faq-contact__action {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-faq .btn--signal {
  display: inline-block;
  padding: 14px 26px;
  background: var(--signal);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  clip-path: var(--edge-cut);
  transition: background 180ms var(--ease);
}

.page-faq .btn--signal:hover,
.page-faq .btn--signal:focus-visible {
  background: var(--signal-deep);
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-faq .faq-contact__action .meta-note {
  color: rgba(246, 241, 231, 0.62);
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  }

  .page-faq .ios-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-toc {
    border-top-width: 3px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-faq .faq-toc__list a {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .quick-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .quick-card:nth-child(4) {
    margin-top: 14px;
  }

  .page-faq .qa summary {
    font-size: 17px;
    padding-top: 20px;
    padding-bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-card,
  .page-faq .qa summary,
  .page-faq .btn--signal,
  .page-faq .btn--ghost,
  .page-faq .faq-toc__list a {
    transition: none;
  }
}
<<<END>>>