.page-faq {
  --faq-sticky: 96px;
  --faq-radius: 2px;
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 62%, var(--moss) 100%);
  padding-block: clamp(26px, 5vw, 56px) clamp(34px, 5vw, 68px);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.7);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 20, 0.45) 0%, rgba(6, 26, 20, 0.86) 72%, var(--ink) 100%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

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

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumb__list a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

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

.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-narrow);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 18em;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: rgba(242, 237, 226, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-hero__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 20px;
  font-size: 15px;
  border-radius: var(--faq-radius);
}

.page-faq .faq-hero__aside {
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: rgba(11, 42, 32, 0.72);
  padding: clamp(18px, 3vw, 24px);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-stats {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-stat dt {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.page-faq .faq-stat dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  margin-right: 6px;
}

.page-faq .faq-hero__aside-note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone);
}

/* 分类 chips */
.page-faq .faq-chips-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-block: clamp(16px, 2.4vw, 22px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-chips-bar__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}

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

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-bright);
  background: var(--cyan-soft);
}

/* 主体两栏 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  padding-block: clamp(30px, 5vw, 64px) clamp(48px, 7vw, 96px);
}

.page-faq .faq-side {
  display: grid;
  gap: 24px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-toc__title,
.page-faq .faq-side__extra-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line-strong);
}

.page-faq .faq-toc__list li {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 10px 11px 12px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(242, 237, 226, 0.78);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}

.page-faq .faq-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
  flex: 0 0 auto;
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--cyan-soft);
}

.page-faq .faq-side__extra {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-faq .faq-side__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-side__links a {
  font-size: 13px;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

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

/* 问答区块 */
.page-faq .faq-content {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: var(--faq-sticky);
  padding: clamp(22px, 3.4vw, 34px) clamp(18px, 3vw, 32px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(30, 74, 58, 0.30) 0%, rgba(11, 42, 32, 0.42) 100%);
  border-radius: var(--faq-radius);
  transition: border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}

.page-faq .faq-block:target {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan-soft), var(--ink-shadow);
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: clamp(14px, 2vw, 20px);
}

.page-faq .faq-block__no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.page-faq .faq-block__desc {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 237, 226, 0.66);
  max-width: 36em;
}

/* 折叠问答 */
.page-faq .faq-item {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2.1vw, 16px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--paper);
  transition: color var(--dur-1) var(--ease);
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--cyan-bright);
}

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

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--stone);
  transition: transform var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1px;
}

.page-faq .faq-item__sign::after {
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 1px;
  transform-origin: center;
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--cyan);
  transform: rotate(180deg);
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-answer {
  margin: 0 0 18px 2px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  animation: faq-answer-in var(--dur-3) var(--ease) both;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
  font-size: clamp(14px, 2vw, 15.5px);
  line-height: 1.9;
  color: rgba(242, 237, 226, 0.8);
  max-width: 38em;
}

.page-faq .faq-answer__lead {
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-answer p.faq-links {
  margin: 0;
  font-size: 13px;
  color: var(--stone);
}

.page-faq .faq-answer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 242, 210, 0.45);
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

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

/* 客服区块 */
.page-faq .faq-block--support {
  background: linear-gradient(180deg, rgba(30, 74, 58, 0.46) 0%, rgba(11, 42, 32, 0.6) 100%);
  border-color: var(--line-strong);
}

.page-faq .faq-support {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

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

.page-faq .faq-contact {
  margin: 14px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  background: rgba(6, 26, 20, 0.72);
}

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

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__row:first-child dd {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-faq .faq-support__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(6, 26, 20, 0.6);
  overflow: hidden;
}

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

.page-faq .faq-support__figure figcaption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
  border-top: 1px solid var(--line);
}

/* 滚动显现 */
.page-faq .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
}

.page-faq .reveal.is-visible,
.page-faq .reveal.js-reveal {
  opacity: 1;
  transform: none;
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-toc__list a {
    padding-block: 12px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-block {
    padding-inline: 16px;
  }

  .page-faq .faq-block__head {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-faq .faq-block__no {
    grid-row: auto;
    font-size: 20px;
  }

  .page-faq .faq-block__desc {
    grid-column: 1;
  }

  .page-faq .faq-hero__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }

  .page-faq .faq-chip {
    min-height: 38px;
    font-size: 12.5px;
    padding-inline: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-answer {
    animation: none;
  }

  .page-faq .faq-item__sign,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-chip,
  .page-faq .faq-toc__list a {
    transition: none;
  }
}
<<<END>>>