.page-faq {
  --faq-side-w: 236px;
  --faq-gap: clamp(22px, 3.4vw, 44px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-anchor {
  display: block;
  height: 0;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .breadcrumbs {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--white);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  max-width: 64ch;
  color: var(--muted);
}

.page-faq .faq-quicklinks {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .faq-quicklinks a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--glass);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--t), transform var(--t), background var(--t);
}

.page-faq .faq-quicklinks a:hover,
.page-faq .faq-quicklinks a:focus-visible {
  border-color: var(--volt);
  transform: translateY(-2px);
}

.page-faq .faq-quicklinks__num {
  font-family: var(--font-score);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--volt);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-side {
  border-top: 2px solid var(--volt);
  padding-top: 14px;
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 13px;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--r-s);
  color: var(--white);
  font-size: 15px;
  text-decoration: none;
  transition: background var(--t), border-color var(--t), color var(--t);
}

.page-faq .faq-side__link span {
  font-family: var(--font-score);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--volt);
}

.page-faq .faq-side__link:hover {
  background: var(--glass);
}

.page-faq .faq-side__link[aria-current="true"] {
  background: var(--glass);
  border-color: var(--line-strong);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: clamp(24px, 4vw, 40px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-main > .faq-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-group__num {
  grid-row: 1 / span 2;
  font-family: var(--font-score);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 0.9;
  font-weight: 800;
  color: var(--volt);
  letter-spacing: -0.02em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 3.1vw, 31px);
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  border-radius: var(--r-s);
  overflow: hidden;
}

.page-faq .faq-figure--phone {
  margin: 0;
  max-width: 300px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: rgba(16, 21, 20, 0.42);
  overflow: hidden;
  transition: border-color var(--t), background var(--t);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-score);
  font-size: 24px;
  line-height: 1;
  color: var(--volt);
  transition: transform var(--t);
}

.page-faq .faq-item[open] {
  border-color: var(--line-strong);
  background: var(--glass);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

/* ---------- 移动端说明小模块 ---------- */
.page-faq .faq-mobile-note {
  display: grid;
  gap: 16px;
  align-items: start;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--glass);
}

.page-faq .faq-mobile-note__text p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

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

/* ---------- 自查清单 ---------- */
.page-faq .faq-checklist {
  counter-reset: chk;
  list-style: none;
  margin: 0 0 clamp(20px, 2.8vw, 28px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  counter-increment: chk;
  position: relative;
  padding: 13px 16px 13px 52px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: rgba(18, 63, 53, 0.6);
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-faq .faq-checklist li::before {
  content: counter(chk, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 13px;
  font-family: var(--font-score);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--r);
}

.page-faq .faq-contact__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--white);
}

.page-faq .faq-contact__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 12px;
  margin: 18px 0 14px;
}

.page-faq .faq-contact .copy-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: rgba(11, 43, 38, 0.6);
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-contact .copy-chip__value {
  font-family: var(--font-score);
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-contact .copy-chip__hint {
  font-size: 13px;
  color: var(--volt);
}

.page-faq .faq-contact__address {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact__cta {
  display: inline-block;
}

/* ---------- 相关入口 ---------- */
.page-faq .faq-more {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 28px);
}

.page-faq .faq-more__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  transition: border-color var(--t), transform var(--t);
}

.page-faq .faq-more__card:hover,
.page-faq .faq-more__card:focus-visible {
  border-color: var(--volt);
  transform: translateY(-2px);
}

.page-faq .faq-more__card .card__meta {
  color: var(--blue);
  letter-spacing: 0.06em;
  font-size: 12px;
  text-transform: uppercase;
}

.page-faq .faq-more__card .card__title {
  font-size: 16px;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-backtop {
  margin: clamp(20px, 2.8vw, 28px) 0 0;
  font-size: 14px;
}

.page-faq .faq-backtop a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 255, 63, 0.45);
  padding-bottom: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-mobile-note {
    grid-template-columns: 300px minmax(0, 1fr);
  }
}

@media (min-width: 720px) {
  .page-faq .faq-quicklinks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-faq .faq-side__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-side__link {
    width: 100%;
    white-space: normal;
    padding: 11px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quicklinks a,
  .page-faq .faq-item,
  .page-faq .faq-more__card {
    transition: none;
  }
}