.page-faq {
  --faq-accent: var(--c-moss);
  --faq-accent-soft: var(--c-moss-soft);
  --faq-quiet: var(--c-fog);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(34px, 5vw, 76px) 0 clamp(24px, 3.5vw, 44px);
}

.page-faq .faq-hero .eyebrow {
  margin: 22px 0 0;
  color: var(--faq-accent-soft);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 15ch;
  font-size: clamp(38px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--c-paper);
}

.page-faq .faq-hero__rule {
  display: block;
  width: 84px;
  height: 3px;
  margin: 26px 0 0;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--faq-accent), transparent);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
}

/* ---------- 章节索引 ---------- */
.page-faq .faq-toc {
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-char);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 14px 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__list::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-toc__list::-webkit-scrollbar-thumb {
  background: var(--c-line);
  border-radius: var(--r-pill);
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  color: var(--c-paper);
  font-size: 14px;
  line-height: 1.3;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--ease), background-color var(--ease), transform var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-color: var(--faq-accent);
  background: var(--c-slate);
  transform: translateY(-2px);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-accent-soft);
}

@media (min-width: 900px) {
  .page-faq .faq-toc__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
  }

  .page-faq .faq-toc__link {
    white-space: normal;
  }
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: clamp(52px, 7.5vw, 104px) 0 0;
}

.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-head__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-paper);
  opacity: 0.16;
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-faq .faq-head__num {
    color: transparent;
    opacity: 0.6;
    -webkit-text-stroke: 1.3px var(--c-paper);
  }
}

.page-faq .faq-head__body h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-faq .faq-head__lead {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-quiet);
}

.page-faq .faq-body {
  margin-top: clamp(22px, 3vw, 36px);
}

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

@media (min-width: 1024px) {
  .page-faq .faq-body--side {
    grid-template-columns: minmax(0, 1fr) 236px;
  }
}

/* ---------- 问答网格 ---------- */
.page-faq .qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(24px, 3.4vw, 56px);
}

@media (min-width: 760px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body--side .qa-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.page-faq .qa {
  padding: 18px 0 22px;
  border-top: 1px solid var(--c-line);
  transition: border-color var(--ease);
}

.page-faq .qa[open] {
  border-top-color: var(--faq-accent);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--c-paper);
}

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

.page-faq .qa__text {
  display: block;
}

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  color: var(--faq-quiet);
  transition: color var(--ease);
}

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

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--faq-accent);
}

.page-faq .qa__a {
  padding-top: 12px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-paper);
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa__a a {
  color: var(--faq-accent-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ease), text-underline-offset var(--ease);
}

.page-faq .qa__a a:hover {
  color: var(--c-paper);
  text-underline-offset: 5px;
}

.page-faq .qa__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .qa__steps li {
  position: relative;
  padding: 7px 0 7px 42px;
  border-radius: var(--r-sm);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-paper);
  counter-increment: faq-step;
  transition: background-color var(--ease);
}

.page-faq .qa__steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--faq-accent-soft);
  transition: color var(--ease);
}

.page-faq .qa__steps li:hover {
  background: var(--c-slate);
}

.page-faq .qa__steps li:hover::before {
  color: var(--faq-accent);
}

/* ---------- 截图与图注 ---------- */
.page-faq .faq-shot {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-slate);
}

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

.page-faq .faq-shot__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-quiet);
}

/* ---------- 联系卡墙 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: clamp(32px, 4.5vw, 56px);
}

@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact__card--note {
    grid-column: 1 / -1;
  }
}

.page-faq .faq-contact__card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-slate);
  transition: border-color var(--ease), transform var(--ease);
}

.page-faq .faq-contact__card:hover {
  border-color: var(--faq-accent);
  transform: translateY(-2px);
}

.page-faq .faq-contact__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--faq-quiet);
}

.page-faq .faq-contact__val {
  margin: 0;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
  word-break: break-all;
}

.page-faq .faq-contact__copy {
  justify-self: start;
  padding: 8px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color var(--ease), color var(--ease), background-color var(--ease);
}

.page-faq .faq-contact__copy:hover {
  border-color: var(--faq-accent);
  background: var(--c-ink);
}

.page-faq .faq-contact__copy[data-copied] {
  border-color: var(--faq-accent);
  color: var(--faq-accent-soft);
}

.page-faq .faq-contact__card--note .faq-contact__key {
  color: var(--faq-accent-soft);
}

.page-faq .faq-contact__card--note p:last-child {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-fog);
}

/* ---------- 页尾引导 ---------- */
.page-faq .faq-tail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
  margin-top: clamp(32px, 4.5vw, 56px);
}

@media (min-width: 860px) {
  .page-faq .faq-tail {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

.page-faq .faq-shot--wide {
  max-width: 640px;
}

.page-faq .faq-tail__cta p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-paper);
}

.page-faq .faq-tail__cta .link-more {
  display: inline-block;
}
<<<END>>>