.page-faq {
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-faq .breadcrumbs {
  padding-top: 26px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-head {
  padding: clamp(20px, 3vw, 36px) 0 clamp(38px, 5vw, 68px);
}

.page-faq .faq-head__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-head__copy .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-head__copy .display {
  margin: 12px 0 0;
  font-size: clamp(1.85rem, 5.2vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  max-width: 16em;
}

.page-faq .faq-head__copy .lede {
  margin: 20px 0 0;
  max-width: 30em;
  color: var(--text-soft);
}

.page-faq .faq-head__meta {
  margin: 22px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-head__visual {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-head__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 82% 18%, rgba(47, 224, 200, 0.14), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-head__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(6px, 1.5vw, 20px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 5vw, 62px);
}

.page-faq .faq-side,
.page-faq .faq-main {
  min-width: 0;
}

/* 左侧栏 */
.page-faq .faq-side__inner {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.page-faq .faq-search {
  padding: 16px 16px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.4;
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(154, 174, 203, 0.72);
}

.page-faq .faq-search__input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 224, 200, 0.14);
}

.page-faq .faq-search__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-side__visual {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-faq .faq-toc {
  border-top: 1px solid var(--line);
  padding-top: 4px;
}

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

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: 1px solid rgba(27, 44, 71, 0.72);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(47, 224, 200, 0.45);
  padding-left: 6px;
}

.page-faq .faq-toc__no {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 右侧内容 */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: clamp(42px, 6vw, 76px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 18px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__no {
  grid-row: 1 / span 2;
  font-size: clamp(1.85rem, 5vw, 2.85rem);
  line-height: 0.95;
  font-weight: 500;
  color: rgba(47, 224, 200, 0.24);
  letter-spacing: -0.02em;
}

.page-faq .faq-group__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-list {
  margin-top: 4px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-bottom-color: rgba(47, 224, 200, 0.45);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 2px 17px 0;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-q__no {
  flex: 0 0 auto;
  min-width: 20px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: break-word;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 14px;
  height: 14px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-faq .faq-q__mark::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-q__mark::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
}

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

.page-faq .faq-item[open] .faq-q__mark::after {
  background: var(--cyan);
  transform: scaleY(0);
}

.page-faq .faq-a {
  max-width: 38em;
  padding: 0 10px 22px 34px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--text-soft);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-faq .faq-outro__panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 22px;
  border-radius: var(--radius);
}

.page-faq .faq-outro__lead {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-outro .btn {
  flex: 0 0 auto;
  text-decoration: none;
}

.page-faq .faq-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-outro__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-outro__links a:hover,
.page-faq .faq-outro__links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(47, 224, 200, 0.5);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-head__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-faq .faq-side__inner {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (max-width: 979px) {
  .page-faq .faq-side__visual {
    max-width: 460px;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-q {
    gap: 10px;
    font-size: 15.5px;
  }

  .page-faq .faq-a {
    padding-left: 0;
  }

  .page-faq .faq-group__head {
    gap: 4px 12px;
  }

  .page-faq .faq-outro__panel {
    padding: 18px;
  }

  .page-faq .faq-outro .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    animation: none !important;
    transition: none !important;
  }
}