.page-faq {
  --faq-rail-w: 232px;
  --faq-line-soft: rgba(31, 41, 55, 0.1);
  background: var(--paper);
  color: var(--graphite);
  padding-bottom: clamp(36px, 6vw, 80px);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(18px, 3vw, 30px) 0 clamp(32px, 5vw, 60px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
      90deg,
      rgba(0, 194, 255, 0.09) 0 1px,
      transparent 1px 104px
    ),
    radial-gradient(120% 90% at 92% 0%, rgba(95, 46, 234, 0.28), transparent 62%);
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.3vw, 1.08rem);
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--rule-dark);
}

.page-faq .faq-fact__num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-fact__label {
  font-size: var(--fs--1);
  line-height: 1.5;
  color: rgba(244, 241, 234, 0.72);
}

.page-faq .faq-hero__figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--rule-dark);
  background: var(--ink-soft);
  box-shadow: 8px 8px 0 -1px rgba(95, 46, 234, 0.4);
}

.page-faq .faq-hero__figure img {
  width: 100%;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding-top: clamp(30px, 5vw, 54px);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  color: var(--graphite);
}

.page-faq .faq-bookmarks {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-bookmark {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 208px;
  scroll-snap-align: start;
  padding: 12px 14px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--paper-2);
  color: var(--graphite);
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease),
    color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-bookmark:hover,
.page-faq .faq-bookmark:focus-visible {
  background: var(--violet);
  border-color: var(--violet);
  border-left-color: var(--cyan);
  color: var(--white);
  transform: translateY(-2px);
}

.page-faq .faq-bookmark__num {
  font-size: var(--fs--1);
  color: var(--cyan-deep);
}

.page-faq .faq-bookmark:hover .faq-bookmark__num,
.page-faq .faq-bookmark:focus-visible .faq-bookmark__num {
  color: var(--cyan);
}

.page-faq .faq-bookmark__label {
  font-size: var(--fs-0);
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .faq-bookmark__meta {
  display: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs--1);
  white-space: nowrap;
  color: var(--graphite);
  opacity: 0.55;
}

.page-faq .faq-bookmark:hover .faq-bookmark__meta,
.page-faq .faq-bookmark:focus-visible .faq-bookmark__meta {
  color: var(--paper);
  opacity: 0.9;
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  padding: 14px;
  background: var(--paper-2);
  border: 1px dashed var(--rule-strong);
  font-size: var(--fs--1);
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 问答章节 ---------- */
.page-faq .faq-section {
  padding: clamp(22px, 3vw, 34px) 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 20px;
}

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

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 16px;
}

.page-faq .faq-section__num {
  justify-self: start;
  align-self: center;
  padding: 3px 8px;
  background: var(--violet);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--fs--1);
  letter-spacing: 0.08em;
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 1.8rem);
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .faq-section__lead {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-0);
  line-height: 1.75;
  color: rgba(31, 41, 55, 0.78);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--white);
  border: 1px solid var(--rule);
  box-shadow: 4px 4px 0 -1px var(--paper-2);
  transition: box-shadow 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--rule-strong);
}

.page-faq .faq-item[open] {
  border-color: var(--violet);
  box-shadow: 6px 6px 0 -1px var(--violet-soft);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-1);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 1.1em;
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  line-height: 1.05;
  text-align: center;
  color: var(--violet);
}

.page-faq .faq-item[open] summary::before {
  content: "−";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -3px;
}

.page-faq .faq-item__body {
  padding: 0 16px 16px 44px;
  font-size: var(--fs-0);
  line-height: 1.85;
  color: var(--graphite);
}

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

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

.page-faq .faq-item__body a {
  color: var(--violet);
  font-weight: 600;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--ink);
  background: var(--violet-soft);
}

.page-faq .faq-bullets {
  margin: 6px 0 10px;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-bullets li::marker {
  color: var(--violet);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 34px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 1px 5px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--fs--1);
  line-height: 1.5;
}

/* ---------- 客服章节 ---------- */
.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-support__side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-support__figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}

.page-faq .faq-support__figure img {
  width: 100%;
}

.page-faq .faq-support__clock {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ink);
  box-shadow: 6px 6px 0 -1px var(--paper-2);
}

.page-faq .faq-support__clock-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs--1);
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-faq .faq-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 8px;
}

.page-faq .faq-support__channels {
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px dashed var(--rule-strong);
  display: grid;
  gap: 8px;
}

.page-faq .faq-support__channels li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  font-size: var(--fs--1);
  line-height: 1.6;
}

.page-faq .faq-support__ch-key {
  padding: 1px 0;
  color: var(--violet);
  font-weight: 700;
}

.page-faq .faq-support__ch-val {
  color: var(--graphite);
  word-break: break-word;
}

/* ---------- 收束通道 ---------- */
.page-faq .faq-exit {
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink);
  color: var(--paper);
  border-left: 4px solid var(--orange);
}

.page-faq .faq-exit__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs--1);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-exit__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.7rem);
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-exit__grid {
  display: grid;
  gap: 10px;
}

.page-faq .faq-exit__card {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: rgba(244, 241, 234, 0.06);
  border: 1px solid var(--rule-dark);
  color: var(--paper);
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease),
    transform 160ms var(--ease);
}

.page-faq .faq-exit__card:hover,
.page-faq .faq-exit__card:focus-visible {
  background: var(--violet);
  border-color: var(--violet);
  transform: translateY(-2px);
}

.page-faq .faq-exit__num {
  font-size: var(--fs--1);
  color: var(--cyan);
}

.page-faq .faq-exit__card strong {
  font-size: var(--fs-1);
  color: var(--white);
}

.page-faq .faq-exit__card span:last-child {
  font-size: var(--fs--1);
  line-height: 1.6;
  color: rgba(244, 241, 234, 0.72);
}

.page-faq .faq-exit__card:hover span:last-child,
.page-faq .faq-exit__card:focus-visible span:last-child {
  color: rgba(244, 241, 234, 0.95);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

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

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-bookmarks {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-bookmarks li + li {
    margin-top: 8px;
  }

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

  .page-faq .faq-bookmark__meta {
    display: inline;
  }
}

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

  .page-faq .faq-bookmark:hover,
  .page-faq .faq-bookmark:focus-visible,
  .page-faq .faq-exit__card:hover,
  .page-faq .faq-exit__card:focus-visible {
    transform: none;
  }
}
<<<END>>>