.page-faq {
  --faq-read: 68ch;
  display: block;
  background: var(--porcelain-50);
  color: var(--ink-900);
  font-family: var(--sans);
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--on-ink-1);
  padding: 24px 0 44px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--hair-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
}

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

.page-faq .faq-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--on-ink-3);
}

.page-faq .faq-hero .crumbs a {
  color: var(--on-ink-2);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-hero .crumbs a:hover {
  color: var(--porcelain-50);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--bronze-100);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--porcelain-50);
}

.page-faq .faq-hero__sub {
  margin: 20px 0 0;
  max-width: var(--faq-read);
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-ink-2);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero .btn--ghost {
  color: var(--porcelain-50);
  border-color: var(--hair-dark);
  background: transparent;
}

.page-faq .faq-hero .btn--ghost:hover {
  border-color: var(--porcelain-50);
  color: var(--porcelain-50);
}

.page-faq .faq-hero__aside {
  border: 1px solid var(--hair-dark);
  padding: 20px;
  background: rgba(255, 255, 255, .02);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--on-ink-3);
}

.page-faq .faq-hero__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-hero__links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--hair-dark);
  font-size: 15px;
  color: var(--porcelain-50);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-hero__links li:last-child a {
  padding-bottom: 0;
}

.page-faq .faq-hero__links a:hover {
  color: var(--bronze-100);
}

.page-faq .faq-hero__links a span {
  font-size: 12px;
  line-height: 1.6;
  color: var(--on-ink-3);
}

/* ---------- 通用区块 ---------- */

.page-faq .section {
  padding: 48px 0;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-hero + .section {
  border-top: 0;
}

.page-faq .sec-head {
  max-width: var(--faq-read);
  margin-bottom: 32px;
}

.page-faq .sec-title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(23px, 4.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-faq .sec-head > p {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-400);
}

/* ---------- 折叠组 ---------- */

.page-faq .acc__trigger {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  background: none;
  border: 0;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-600);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-faq .acc__trigger:hover {
  color: var(--bronze-600);
}

.page-faq .acc__mark {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--ink-400);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .acc__trigger[aria-expanded="true"] .acc__mark {
  background: var(--bronze-600);
  box-shadow: 0 0 0 4px rgba(46, 107, 94, .14);
}

.page-faq .acc__panel {
  margin: 12px 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--bronze-600);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-faq .acc__panel[hidden] {
  display: none;
}

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

/* ---------- 三步自检 ---------- */

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-step {
  padding: 22px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-step__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--bronze-600);
}

.page-faq .faq-step__title {
  margin: 14px 0 0;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-faq .faq-step__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-400);
}

.page-faq .faq-step .acc__trigger {
  margin-top: 16px;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-steps__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 26px;
}

.page-faq .faq-steps__foot p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-400);
}

.page-faq .faq-figure {
  margin: 34px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-300);
  object-fit: cover;
}

/* ---------- 访问恢复 ---------- */

.page-faq .faq-access__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-faq .faq-access__item {
  background: var(--porcelain-50);
  padding: 24px 20px;
}

.page-faq .faq-access__item h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-faq .faq-access__item p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-faq .faq-access__note {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 20px;
  background: var(--bronze-100);
  border-left: 2px solid var(--bronze-600);
}

.page-faq .faq-access__note p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-800);
}

/* ---------- 导航与通道 ---------- */

.page-faq .faq-nav__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-nav__ol {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line-300);
}

.page-faq .faq-nav__ol li {
  position: relative;
  padding-bottom: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .faq-nav__ol li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-nav__ol li::before {
  content: "";
  position: absolute;
  left: -22.5px;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--bronze-600);
}

.page-faq .faq-nav__check {
  padding: 22px 20px;
  background: var(--porcelain-100);
  border: 1px solid var(--line-300);
}

.page-faq .faq-nav__check h3 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-faq .faq-nav__check ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-nav__check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-faq .faq-nav__check .status-dot {
  margin-top: 7px;
  flex: none;
}

/* ---------- 五类问答索引 ---------- */

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-cat__no {
  grid-row: 1 / span 2;
  margin: 0;
  padding-top: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--bronze-600);
}

.page-faq .faq-cat__name {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-faq .faq-cat__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-400);
}

.page-faq .fot-figure {
  margin: 0;
}

.page-faq .fot-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-300);
  object-fit: cover;
}

/* ---------- 常见操作问答 ---------- */

.page-faq .faq-qa__list {
  max-width: var(--faq-read);
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-qa__item {
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-qa__item .acc__trigger {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  padding: 18px 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-900);
}

.page-faq .faq-qa__item .acc__panel {
  margin: 0 0 20px;
}

.page-faq .faq-qa__q {
  flex: 1 1 auto;
}

/* ---------- 转人工 ---------- */

.page-faq .faq-escalate__box {
  padding: 32px 22px;
  background: var(--ink-900);
  color: var(--on-ink-1);
  border: 1px solid var(--ink-800);
}

.page-faq .faq-escalate__box .sec-title {
  color: var(--porcelain-50);
}

.page-faq .faq-escalate__intro {
  margin-top: 14px;
  max-width: var(--faq-read);
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-ink-2);
}

.page-faq .faq-escalate__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-escalate__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--hair-dark);
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-ink-2);
}

.page-faq .faq-escalate__list .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--bronze-100);
  padding-top: 3px;
}

.page-faq .faq-escalate__foot {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
}

.page-faq .faq-escalate__foot p {
  flex: 1 1 320px;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-ink-3);
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-faq .faq-hero {
    padding: 28px 0 56px;
  }

  .page-faq .section {
    padding: 60px 0;
  }

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

  .page-faq .faq-access__item {
    padding: 28px 24px;
  }

  .page-faq .faq-escalate__box {
    padding: 40px 36px;
  }

  .page-faq .faq-escalate__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 36px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line-300);
    border: 1px solid var(--line-300);
  }

  .page-faq .faq-step {
    padding: 28px 24px;
    border-bottom: 0;
    background: var(--porcelain-50);
  }

  .page-faq .faq-step__no {
    font-size: 52px;
  }

  .page-faq .faq-steps__foot {
    margin-top: 28px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-nav__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .acc__trigger,
  .page-faq .acc__mark,
  .page-faq .faq-hero .crumbs a,
  .page-faq .faq-hero__links a {
    transition: none;
  }
}