.page-faq {
  --faq-ink-soft: #3a434d;
  --faq-ink-mute: #5b6670;
  --faq-card: #ffffff;
  --faq-card-2: #eef2f6;
  background: var(--night);
  color: var(--mist);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  background: var(--night);
  padding-top: 18px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mute);
}

.page-faq .breadcrumb__list li {
  display: inline-flex;
  align-items: center;
}

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

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

.page-faq .breadcrumb__list a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .breadcrumb__list a[aria-current="page"] {
  color: var(--mist);
  border-bottom-color: var(--soil);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.4vw, 54px) 0 clamp(38px, 6vw, 76px);
  background:
    radial-gradient(1000px 420px at 90% -18%, rgba(196, 55, 43, .55), transparent 62%),
    radial-gradient(720px 320px at 4% 100%, rgba(31, 111, 235, .28), transparent 68%),
    linear-gradient(180deg, #0a0e13 0%, #111820 100%);
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: linear-gradient(
    90deg,
    var(--soil) 0 26%,
    transparent 26% 30%,
    var(--sand) 30% 46%,
    transparent 46% 50%,
    var(--neon) 50% 62%,
    transparent 62% 66%,
    var(--plateau) 66% 100%
  );
  opacity: .82;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 46px);
  align-items: center;
}

.page-faq .faq-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
}

.page-faq .faq-eyebrow__note {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.5rem);
  letter-spacing: -.03em;
  line-height: 1.04;
  margin: 0 0 18px;
  color: var(--mist);
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  color: #ccd4dd;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 13px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line-light);
  background: rgba(244, 246, 248, .04);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(183, 255, 60, .1);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-light);
  background: var(--stand);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(34px, 5vw, 68px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 侧边目录 ---------- */
.page-faq .faq-toc {
  border: 1px solid var(--line-light);
  background: linear-gradient(180deg, rgba(48, 54, 61, .6), rgba(11, 15, 20, .55));
  padding: 16px 14px 18px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--sand);
}

.page-faq .faq-toc__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 10px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-toc__list a:hover {
  border-left-color: var(--neon);
  background: rgba(183, 255, 60, .09);
  color: var(--neon);
}

.page-faq .faq-toc__num {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  color: var(--mute);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-toc__list a:hover .faq-toc__num {
  color: var(--neon);
}

.page-faq .faq-toc__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
  font-size: 13px;
  color: var(--mute);
}

.page-faq .faq-toc__hint a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-neon);
}

.page-faq .faq-toc__hint a:hover {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 问答列 ---------- */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  min-width: 0;
}

.page-faq .faq-block {
  background: var(--faq-card);
  color: var(--ink);
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow-panel);
  min-width: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(18px, 2.8vw, 28px);
  border-bottom: 1px solid var(--line-dark);
  border-left: 4px solid var(--soil);
}

.page-faq .faq-block__num {
  font-family: var(--font-num);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--soil);
}

.page-faq .faq-block__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--ink);
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.65;
  color: var(--faq-ink-mute);
}

/* 区块配图 */
.page-faq .faq-block__media {
  margin: 0 0 clamp(14px, 2.2vw, 22px);
}

.page-faq .faq-block__media .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-block__media .figure__cap {
  padding: 10px clamp(18px, 2.8vw, 28px) 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--faq-ink-mute);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: block;
}

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

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px clamp(18px, 2.8vw, 28px);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  border-left: 3px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: rgba(31, 111, 235, .07);
  border-left-color: var(--plateau);
}

.page-faq .faq-item[open] > summary {
  background: rgba(196, 55, 43, .07);
  border-left-color: var(--soil);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--stand);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--soil);
}

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

.page-faq .faq-item__body {
  padding: 0 clamp(18px, 2.8vw, 28px) 20px calc(clamp(18px, 2.8vw, 28px) + 26px);
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 70ch;
}

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

.page-faq .faq-item__body a {
  color: var(--plateau);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 235, .35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item__body a:hover {
  color: var(--soil);
  border-bottom-color: var(--soil);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-block--support .faq-block__head {
  border-left-color: var(--plateau);
}

.page-faq .faq-block--support .faq-block__num {
  color: var(--plateau);
}

.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.8vw, 28px);
}

.page-faq .faq-contact__card {
  border: 1px solid var(--line-dark);
  background: var(--faq-card-2);
  padding: 16px 16px 18px;
  min-width: 0;
}

.page-faq .faq-contact__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--stand);
}

.page-faq .faq-contact__value {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: clamp(14px, 1.7vw, 16px);
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .faq-contact__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-ink-mute);
}

.page-faq .faq-contact__foot {
  margin: 0;
  padding: 0 clamp(18px, 2.8vw, 28px) clamp(18px, 2.8vw, 26px);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact__foot a {
  color: var(--plateau);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 235, .35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-contact__foot a:hover {
  color: var(--soil);
  border-bottom-color: var(--soil);
}

/* ---------- 自查步骤 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px clamp(18px, 2.8vw, 28px);
  border-bottom: 1px solid var(--line-dark);
  border-left: 3px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-steps__item:hover {
  background: rgba(217, 164, 65, .1);
  border-left-color: var(--sand);
}

.page-faq .faq-steps__num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--sand);
  padding-top: 2px;
}

.page-faq .faq-steps__item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-steps__item p {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.68;
  color: var(--faq-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-faq .faq-block__media .figure__frame img {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 236px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 118px;
  }

  .page-faq .faq-toc__list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1320px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 268px) minmax(0, 1fr);
    gap: clamp(44px, 4vw, 72px);
  }
}
</main>