.page-faq {
  background: var(--gray-050);
  color: var(--text);
  overflow-wrap: break-word;
}

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

.page-faq [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    linear-gradient(180deg, rgba(53, 230, 196, 0.06), rgba(8, 32, 28, 0) 62%),
    var(--ink-900);
  color: var(--on-ink);
  border-bottom: 1px solid rgba(53, 230, 196, 0.34);
  padding: clamp(26px, 6vw, 52px) 0 clamp(34px, 6vw, 64px);
}

.page-faq .faq-hero__inner {
  display: grid;
  justify-items: start;
}

.page-faq .faq-hero__crumb {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-faq .breadcrumb,
.page-faq .breadcrumb__link,
.page-faq .breadcrumb__sep {
  color: var(--on-ink-muted);
}

.page-faq .faq-hero__kicker {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--gray-050);
  margin: 0 0 clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-hero__lead {
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.65;
  color: var(--on-ink);
  margin: 0;
}

.page-faq .faq-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  width: 100%;
  margin: clamp(24px, 4vw, 40px) 0 0;
  background: rgba(195, 187, 176, 0.16);
  border-top: 1px solid rgba(195, 187, 176, 0.16);
}

.page-faq .faq-metric {
  background: var(--ink-900);
  padding: 14px 14px 14px 16px;
  border-left: 2px solid var(--cyan);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-metric__v {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-metric__l {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink-muted);
}

.page-faq .faq-hero__cta {
  margin-top: clamp(22px, 4vw, 34px);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  background: var(--gray-050);
  padding: clamp(30px, 5vw, 56px) 0 clamp(24px, 4vw, 40px);
}

.page-faq .faq-index__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-index__main .kicker {
  margin: 0 0 16px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid rgba(195, 187, 176, 0.72);
  background: rgba(255, 255, 255, 0.42);
  color: var(--text);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-index__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-700);
}

.page-faq .faq-index__t {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-index__c {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-050);
  background: var(--ink-700);
  padding: 2px 7px;
  line-height: 1.4;
}

.page-faq .faq-index__item:hover {
  background: var(--gray-100);
  border-color: rgba(53, 230, 196, 0.85);
  transform: translateY(-2px);
}

.page-faq .faq-index__figure {
  margin: 0;
  border: 1px solid rgba(195, 187, 176, 0.72);
}

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

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  background: var(--gray-050);
  padding: clamp(32px, 5vw, 60px) 0;
  border-top: 1px solid rgba(195, 187, 176, 0.5);
}

.page-faq .faq-group--tint {
  background: var(--gray-100);
}

.page-faq .faq-group__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-group__rail {
  display: grid;
  gap: 8px;
  align-content: start;
  border-left: 3px solid rgba(195, 187, 176, 0.7);
  padding-left: 14px;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-700);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 25px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink-900);
}

.page-faq .faq-group__note {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
  max-width: 30em;
}

.page-faq .faq-group:target .faq-group__rail {
  border-left-color: var(--cyan);
}

.page-faq .faq-group:target .faq-group__num {
  color: var(--ink-900);
  text-shadow: 0 0 0 transparent;
}

.page-faq .faq-group__body {
  display: grid;
  gap: 10px;
  min-width: 0;
}

/* 手风琴卡 */
.page-faq .qa {
  border: 1px solid rgba(195, 187, 176, 0.72);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 1px 0 rgba(8, 32, 28, 0.04);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(53, 230, 196, 0.9);
  box-shadow: inset 4px 0 0 0 var(--cyan), 0 2px 10px rgba(8, 32, 28, 0.05);
  background: rgba(255, 255, 255, 0.78);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px 15px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .qa__summary:hover {
  background: var(--cyan-soft);
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 4px;
}

.page-faq .qa__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-faq .qa__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: var(--ink-700);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__icon {
  transform: rotate(45deg);
  color: var(--ink-900);
}

.page-faq .qa__body {
  padding: 0 15px 18px;
  border-top: 1px solid rgba(195, 187, 176, 0.5);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--text);
  max-width: 46em;
}

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

.page-faq .qa__body .num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink-700);
  letter-spacing: 0.01em;
}

.page-faq .qa__more a {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 1px;
  transition: background var(--dur) var(--ease);
}

.page-faq .qa__more a:hover {
  background: var(--cyan-soft);
}

/* 侧栏配图 */
.page-faq .faq-group__aside {
  min-width: 0;
}

.page-faq .faq-shot {
  margin: 0;
  border: 1px solid rgba(195, 187, 176, 0.72);
}

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

.page-faq .faq-shot__cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 26em;
}

/* ---------- 联络收尾 ---------- */
.page-faq .faq-help {
  background: var(--ink-900);
  color: var(--on-ink);
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: 1px solid rgba(53, 230, 196, 0.34);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-help .kicker {
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-faq .faq-help__title {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--gray-050);
  margin: 0 0 12px;
}

.page-faq .faq-help__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--on-ink);
  max-width: 34em;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-ink);
}

.page-faq .faq-help__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.page-faq .faq-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(195, 187, 176, 0.22);
}

.page-faq .faq-channels li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(195, 187, 176, 0.22);
}

.page-faq .faq-channels__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-ink-muted);
}

.page-faq .faq-channels__v {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--gray-050);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-help__ghost {
  color: var(--cyan);
  border-color: rgba(53, 230, 196, 0.55);
  background: transparent;
}

.page-faq .faq-help__ghost:hover {
  background: rgba(53, 230, 196, 0.12);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 760px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa__summary {
    padding: 16px 18px;
  }

  .page-faq .qa__body {
    padding: 14px 18px 20px 52px;
    border-top: 1px solid rgba(195, 187, 176, 0.5);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index__grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
    gap: 30px;
  }

  .page-faq .faq-group__grid {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-group--shot .faq-group__grid {
    grid-template-columns: 210px minmax(0, 1fr) 250px;
    gap: 36px;
  }

  .page-faq .faq-group__rail {
    border-left-width: 3px;
    padding-left: 18px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .qa,
  .page-faq .qa__summary,
  .page-faq .qa__icon,
  .page-faq .faq-group__rail {
    transition: none;
  }

  .page-faq .faq-index__item:hover {
    transform: none;
  }
}
<<<END>>>