.page-faq {
  --faq-accent: #4158D0;
  --faq-accent-2: #8B5CF6;
  --faq-panel-bg: #FFFFFF;
  --faq-zebra: #FAF7F1;
  --faq-border: #D9CBB8;
  --faq-drawer: 48px;
  --faq-radius: 2px;
  color: #141414;
  background-color: #F5F0E8;
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  padding-bottom: 0;
  overflow-x: clip;
}

.page-faq .breadcrumb {
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding: 16px 20px 0;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
  color: #6E6259;
}

.page-faq .breadcrumb__link {
  color: #4158D0;
  text-decoration: none;
  font-weight: 600;
}

.page-faq .breadcrumb__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hero {
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding: 40px 20px 8px;
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero__content {
  position: relative;
  padding-left: 1px;
}

.page-faq .faq-hero h1 {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  max-width: 12em;
}

.page-faq .faq-hero__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: #6E6259;
  max-width: 38em;
  margin: 0;
}

.page-faq .faq-hero__diagram {
  width: 100%;
  max-width: 1000px;
  height: auto;
  border: 1px solid #D9CBB8;
  border-radius: 2px;
  box-shadow: 8px 8px 0 rgba(20, 20, 20, 0.08);
  object-fit: cover;
}

.page-faq .faq-layout {
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding: 56px 20px 8px;
  display: grid;
  gap: 32px;
}

.page-faq .faq-index {
  order: 2;
  border-left: 3px solid #141414;
  padding-left: 20px;
}

.page-faq .faq-index__title {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: 0.08em;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px 7px 0;
  color: #141414;
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index__list a::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #4158D0;
  display: inline-block;
  transform: translateY(-2px);
  transition: background 0.2s ease;
}

.page-faq .faq-index__list a:hover {
  border-bottom-color: #4158D0;
  color: #4158D0;
}

.page-faq .faq-index__contact {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-faq .faq-main {
  order: 1;
}

.page-faq .faq-drawer {
  margin-bottom: 40px;
  padding-top: 8px;
}

.page-faq .faq-drawer__title {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.01em;
}

.page-faq .faq-drawer__title::before {
  content: "";
  width: 22px;
  height: 3px;
  background: linear-gradient(120deg, #4158D0, #8B5CF6);
  flex-shrink: 0;
}

.page-faq .faq-drawer__desc {
  font-size: 0.9rem;
  color: #6E6259;
  line-height: 1.7;
  margin: 0 0 18px 34px;
  max-width: 44em;
}

.page-faq .faq-item {
  border: 1px solid #D9CBB8;
  background: #FFFFFF;
  margin-bottom: 10px;
  border-radius: 2px;
  transition: box-shadow 0.2s ease;
}

.page-faq .faq-item[open] {
  box-shadow: 5px 5px 0 rgba(65, 88, 208, 0.14);
  background: linear-gradient(180deg, #FFFFFF 0%, #FAF7F1 100%);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  min-height: 56px;
  user-select: none;
}

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

.page-faq .faq-item__q {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  flex: 1;
}

.page-faq .faq-item__mark {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border: 1.5px solid #4158D0;
  border-radius: 50%;
  transition: background 0.2s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: #4158D0;
  transition: transform 0.2s ease;
}

.page-faq .faq-item__mark::before {
  width: 12px;
  height: 1.5px;
  top: 12px;
  left: 6px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 12px;
  top: 6px;
  left: 12px;
}

.page-faq .faq-item[open] .faq-item__mark {
  background: #4158D0;
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: #FFFFFF;
  transform: scaleY(0.6) rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 4px 76px 18px 20px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #3D342D;
  border-top: 1px dashed #D9CBB8;
  margin-top: 2px;
}

.page-faq .faq-item__a p {
  margin: 12px 0 0;
}

.page-faq .faq-docs {
  background: linear-gradient(135deg, rgba(65, 88, 208, 0.06), rgba(139, 92, 246, 0.05));
  border-top: 1px solid #D9CBB8;
  border-bottom: 1px solid #D9CBB8;
  padding: 72px 20px;
  margin-top: 40px;
}

.page-faq .faq-docs > .section__head {
  max-width: var(--container, 1280px);
  margin: 0 auto 10px;
}

.page-faq .faq-docs__desc {
  max-width: var(--container, 1280px);
  margin: 0 auto 36px;
  color: #6E6259;
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .faq-docs__grid {
  max-width: var(--container, 1280px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-docs .archive-card {
  display: flex;
  flex-direction: column;
  padding: 22px 22px 18px;
  background: #FFFFFF;
  border-left: 4px solid #D9CBB8;
  min-height: 170px;
  box-shadow: 0 1px 0 rgba(20, 20, 20, 0.05);
}

.page-faq .faq-docs .archive-card h3 {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 1.1rem;
  margin: 12px 0 8px;
  line-height: 1.4;
}

.page-faq .faq-docs .archive-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #6E6259;
  flex: 1;
  margin: 0 0 14px;
}

.page-faq .faq-docs__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #4158D0;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.page-faq .faq-docs__link:hover {
  border-bottom-color: #4158D0;
}

.page-faq .faq-docs .archive-card::after {
  content: "";
  width: 18px;
  height: 18px;
  align-self: flex-end;
  margin-top: -20px;
  border-right: 2px solid #8B5CF6;
  border-top: 2px solid #8B5CF6;
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-contact {
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding: 72px 20px 80px;
  display: grid;
  gap: 40px;
}

.page-faq .faq-contact__info {
  background: #141414;
  color: #FFFFFF;
  padding: 32px 26px;
  position: relative;
  border-radius: 2px;
}

.page-faq .faq-contact__info h2 {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 20px 0 12px;
  line-height: 1.3;
}

.page-faq .faq-contact__info p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  font-size: 0.95rem;
  max-width: 40em;
  margin: 0 0 24px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #F2B01E;
  margin-bottom: 4px;
}

.page-faq .faq-contact__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF;
  word-break: break-all;
}

.page-faq .faq-mock {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.page-faq .faq-mock__browser {
  max-width: 460px;
  background: #141414;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 14px;
  position: relative;
  box-shadow: 22px 22px 0 rgba(65, 88, 208, 0.22);
}

.page-faq .faq-mock__status {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin: 0 0 10px;
  padding-left: 4px;
  border-right: 3px solid #FF5A36;
  display: inline-block;
}

.page-faq .faq-mock img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-faq .faq-mock__series {
  display: flex;
  gap: 8px;
  padding-top: 14px;
}

.page-faq .faq-mock__tick {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: Impact, 'Arial Narrow', sans-serif;
  font-size: 0.8rem;
  color: #141414;
  background: #F2B01E;
}

.page-faq .section__head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .section__tag {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: #4158D0;
  font-weight: 700;
  margin: 0;
}

.page-faq .section__title {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  margin: 0;
  letter-spacing: -0.02em;
}

.page-faq .section__rule {
  width: 64px;
  height: 3px;
  background: linear-gradient(120deg, #4158D0, #8B5CF6);
  margin-top: 6px;
}

@media (min-width: 640px) {
  .page-faq .faq-docs__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq {
    --faq-drawer: 72px;
  }

  .page-faq .faq-hero {
    grid-template-columns: 4.5fr 5.5fr;
    align-items: end;
    padding-top: 60px;
  }

  .page-faq .faq-hero h1 {
    margin-top: 12px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px 1fr;
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    order: 1;
    position: sticky;
    top: 100px;
    border-left: none;
    padding-left: 0;
    border-top: 4px solid #141414;
    padding-top: 20px;
  }

  .page-faq .faq-main {
    order: 2;
  }

  .page-faq .faq-docs__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-contact {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-contact__info {
    padding: 44px 40px;
  }

  .page-faq .faq-mock__browser {
    max-width: 400px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-docs__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}