.page-faq {
  --faq-max: 1160px;
  padding: clamp(28px, 4vw, 56px) 0 clamp(56px, 8vw, 96px);
  font-family: var(--font-body);
  color: var(--white);
  background:
    radial-gradient(circle at 10% 0%, rgba(61, 240, 208, 0.055), transparent 44%),
    radial-gradient(circle at 90% 18%, rgba(242, 179, 61, 0.045), transparent 40%),
    var(--ink);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-wrap {
  width: min(var(--faq-max), 100% - 40px);
  margin-inline: auto;
}

.page-faq .faq-wrap > .yx-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 0.82rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 16px;
  padding-bottom: clamp(26px, 4vw, 42px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 4.8vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(0.96rem, 1.4vw, 1.06rem);
  line-height: 1.85;
  color: rgba(242, 246, 244, 0.74);
}

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

.page-faq .faq-quick a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--mist);
  text-decoration: none;
  background: linear-gradient(90deg, rgba(242, 179, 61, 0.09), transparent 72%);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-quick a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateX(3px);
}

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

.page-faq .faq-quick .yx-mono {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
  position: relative;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--turf);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-faq .faq-figure--lead {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-figure--lead img {
  aspect-ratio: 16 / 7;
}

.page-faq .faq-figure--side img {
  aspect-ratio: 3 / 2;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  margin-top: clamp(34px, 5vw, 60px);
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.86rem;
  color: rgba(242, 246, 244, 0.7);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .faq-toc-list a:hover {
  color: var(--white);
  border-color: rgba(156, 246, 231, 0.4);
}

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

.page-faq .faq-toc-idx {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-toc-foot {
  margin: 14px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq:has(#faq-query:target) .faq-toc-list a[href="#faq-query"],
.page-faq:has(#faq-understand:target) .faq-toc-list a[href="#faq-understand"],
.page-faq:has(#faq-replay:target) .faq-toc-list a[href="#faq-replay"],
.page-faq:has(#faq-feedback:target) .faq-toc-list a[href="#faq-feedback"],
.page-faq:has(#faq-coop:target) .faq-toc-list a[href="#faq-coop"] {
  color: var(--cyan);
  border-color: rgba(61, 240, 208, 0.45);
  background: rgba(61, 240, 208, 0.08);
}

/* ---------- 分组 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(34px, 5vw, 56px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--top-h) + 28px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 15px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-idx {
  padding: 2px 8px;
  border: 1px solid rgba(61, 240, 208, 0.32);
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.55;
  letter-spacing: 0.1em;
  color: var(--cyan);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.14rem, 2.2vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  transition: color 0.3s var(--ease);
}

.page-faq .faq-group-desc {
  grid-column: 2;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(242, 246, 244, 0.62);
}

.page-faq .faq-group-desc a,
.page-faq .faq-foot a,
.page-faq .faq-a a {
  color: var(--mist);
  text-decoration-color: rgba(156, 246, 231, 0.42);
  text-underline-offset: 3px;
}

.page-faq .faq-group-desc a:hover,
.page-faq .faq-foot a:hover,
.page-faq .faq-a a:hover {
  color: var(--cyan);
}

.page-faq .faq-group:target .faq-group-head h2 {
  color: var(--cyan);
}

.page-faq .faq-group:target .faq-group-idx {
  border-color: var(--cyan);
  background: rgba(61, 240, 208, 0.1);
}

/* ---------- 问答 ---------- */
.page-faq .faq-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px;
}

.page-faq .faq-grid > .faq-item {
  flex: 1 1 100%;
  min-width: 0;
}

.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  background: var(--turf);
  border-radius: var(--radius);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--line);
  transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-item[open]::before {
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(61, 240, 208, 0.5);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px 16px 22px;
  cursor: pointer;
  list-style: none;
  font-size: 0.97rem;
  line-height: 1.65;
  color: var(--white);
  transition: color 0.25s var(--ease);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover {
  color: var(--cyan);
}

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

.page-faq .faq-item[open] > summary {
  color: var(--cyan);
}

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

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--mist);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-mark::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

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

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

.page-faq .faq-a {
  padding: 0 22px 18px 22px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(242, 246, 244, 0.78);
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-item[open] .faq-a {
  animation: faq-drop 0.28s var(--ease) both;
}

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 图问并排 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 18px;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-foot {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(15, 42, 35, 0.95), rgba(6, 23, 19, 0.9));
  display: grid;
  gap: 8px;
}

.page-faq .faq-foot-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.02rem, 1.9vw, 1.24rem);
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-faq .faq-foot p {
  margin: 0;
  max-width: 70ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(242, 246, 244, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-grid > .faq-item {
    flex: 1 1 calc(50% - 5px);
  }

  .page-faq .faq-grid--single > .faq-item {
    flex: 1 1 100%;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 178px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-faq .faq-toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-toc-list a {
    width: 100%;
    padding: 8px 10px;
    border-color: transparent;
    border-radius: 10px;
  }

  .page-faq .faq-toc-list li + li {
    margin-top: 2px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-grid {
    gap: 12px;
  }

  .page-faq .faq-grid > .faq-item {
    flex: 1 1 calc(50% - 6px);
  }

  .page-faq .faq-grid--single > .faq-item {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}