.page-faq {
  --faq-index-w: 210px;
  --faq-answer-w: 56ch;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(24px, 4vw, 40px);
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 82%);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero__lead .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero__lead h1 {
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-faq .faq-hero__lead .lede {
  margin: 0;
  max-width: 46ch;
  color: var(--silver);
}

.page-faq .faq-hero__meta {
  display: grid;
  gap: 10px;
  padding: 6px 0 6px 18px;
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-hero__meta p {
  margin: 0;
}

.page-faq .faq-hero__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.page-faq .faq-hero__count {
  font-size: 14px;
  color: var(--text);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--cyan-soft);
  margin-right: 4px;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__hint {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 30ch;
}

/* ---------- 锚点条 ---------- */
.page-faq .faq-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-anchors__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0 7px;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
}

.page-faq .faq-anchors__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0.3);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-anchors__link:hover::after,
.page-faq .faq-anchors__link:focus-visible::after {
  transform: scaleX(1);
}

.page-faq .faq-anchors__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-soft);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 10px;
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 8vw, 88px);
}

.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 12px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: rgba(35, 240, 200, 0.07);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-soft);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(40px, 6vw, 68px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group:last-of-type {
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--hairline-strong);
  margin-bottom: 6px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 7px;
  background: var(--cyan);
  color: var(--ink);
  align-self: center;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 52ch;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  margin: 0;
  padding: 0;
}

.page-faq .qa {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  transition: background var(--dur) var(--ease);
}

.page-faq .qa__q {
  position: relative;
  margin: 0;
  padding-left: 14px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .qa__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  bottom: 0.3em;
  width: 3px;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

.page-faq .qa:hover .qa__q::before,
.page-faq .qa:focus-within .qa__q::before {
  background: var(--cyan);
}

.page-faq .qa__a {
  margin: 0;
  padding-left: 14px;
  max-width: var(--faq-answer-w);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-link {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 247, 226, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 配图 ---------- */
.page-faq .faq-visual {
  margin: 22px 0 0;
  border: 1px solid var(--hairline);
  background: var(--ink-2);
  overflow: hidden;
}

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

.page-faq .faq-visual figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-faq .faq-visual--square {
  max-width: 420px;
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(20px, 4vw, 32px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--ink-2);
  border: 1px solid var(--hairline-strong);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  scroll-margin-top: 96px;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-contact__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-faq .faq-contact__body h2 {
  margin: 0 0 14px;
}

.page-faq .faq-contact__text {
  margin: 0 0 14px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-contact__body .btn {
  margin-top: 6px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  background: var(--ink-2);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: minmax(0, 1fr);
    max-width: 340px;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    padding: 13px 0;
  }
}

@media (min-width: 760px) {
  .page-faq .qa {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    align-items: start;
    gap: 0 28px;
    padding: 18px 0;
  }

  .page-faq .qa__a {
    padding-left: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
  }

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

  .page-faq .faq-group__head {
    gap: 8px 16px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__lead h1 {
    max-width: 18ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-anchors__link::after,
  .page-faq .qa__q::before,
  .page-faq .faq-index__link,
  .page-faq .faq-link,
  .page-faq .qa {
    transition: none;
  }
}
<<<END>>>