.page-faq {
  --faq-sidebar-width: 280px;
  --faq-radius: 16px;
  background-color: var(--c-paper);
  color: var(--c-ink);
  padding-bottom: 96px;
}

/* ---- Hero ---- */
.page-faq .faq-hero {
  position: relative;
  padding: 48px 0 40px;
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-space) 100%);
  color: #fff;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -40px;
  width: 70%;
  height: 140px;
  background: var(--c-orange);
  transform: skewY(-6deg);
  opacity: 0.14;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset-inline-end: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: var(--grad-brand);
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(48px);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero-copy {
  max-width: 680px;
}

.page-faq .faq-hero .section-label {
  color: #fff;
}

.page-faq .faq-hero-desc {
  margin-top: 16px;
  max-width: 620px;
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}

.page-faq .faq-hero .btn-primary {
  margin-top: 24px;
}

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow:
    24px 24px 0 rgba(255, 78, 32, 0.15),
    0 24px 60px rgba(0, 0, 0, 0.35);
}

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

/* ---- Breadcrumb ---- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  font-size: var(--size-small);
  color: rgba(255, 255, 255, 0.7);
}

.page-faq .breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.2s;
}

.page-faq .breadcrumb a:hover {
  color: var(--c-orange);
}

/* ---- 快速导航 ---- */
.page-faq .faq-overview {
  padding: 56px 0 48px;
}

.page-faq .faq-overview-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.page-faq .faq-overview-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--size-h2);
}

.page-faq .faq-cat-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-cat-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 4px 16px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--c-silver);
  border-radius: var(--faq-radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s;
}

.page-faq .faq-cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
  border-color: var(--c-orange);
}

.page-faq .faq-cat-num {
  grid-row: 1 / span 2;
  font-family: var(--font-head);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--c-orange);
}

.page-faq .faq-cat-name {
  font-family: var(--font-head);
  font-size: 1.125rem;
}

.page-faq .faq-cat-desc {
  font-size: var(--size-small);
  color: var(--c-blue-deep);
}

/* ---- 主布局 ---- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 8px;
}

/* ---- 侧边栏 ---- */
.page-faq .faq-sidebar {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--c-silver);
  border-radius: var(--faq-radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.page-faq .faq-nav-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 1.125rem;
}

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

.page-faq .faq-nav-list li {
  border-bottom: 1px solid var(--c-beige);
}

.page-faq .faq-nav-list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-nav-list a {
  display: block;
  padding: 12px 4px;
  color: var(--c-ink);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-nav-list a:hover {
  color: var(--c-orange);
  padding-left: 10px;
}

.page-faq .faq-sidebar-note {
  margin-top: 20px;
  padding: 16px;
  border-left: 3px solid var(--c-orange);
  border-radius: 0 10px 10px 0;
  background: var(--c-peach);
}

.page-faq .faq-sidebar-note-label {
  font-family: var(--font-head);
  font-size: var(--size-small);
  color: var(--c-orange);
}

.page-faq .faq-sidebar-note p {
  margin: 8px 0 12px;
  font-size: var(--size-small);
  line-height: 1.75;
}

.page-faq .faq-sidebar-note .btn-ghost {
  padding: 6px 14px;
  font-size: var(--size-small);
}

/* ---- FAQ 主区域 ---- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-main::before {
  content: "";
  display: block;
  height: 4px;
  border-radius: 4px;
  background: var(--grad-brand);
  margin-bottom: 24px;
}

.page-faq .faq-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-faq .faq-group {
  margin-bottom: 40px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--c-silver);
  border-radius: var(--faq-radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--size-h2);
}

/* 订阅推送特殊布局 */
.page-faq .faq-group-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-group-qa {
  display: grid;
  gap: 12px;
}

.page-faq .faq-group-media {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  background: var(--c-beige);
  border: 1px solid var(--c-beige);
}

.page-faq .faq-group-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ---- 手风琴 ---- */
.page-faq .faq-item {
  border: 1px solid var(--c-silver);
  border-radius: 12px;
  background: var(--c-paper);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--c-orange);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
  background: linear-gradient(90deg, rgba(255, 78, 32, 0.06), transparent 30%);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-base);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1;
  color: var(--c-orange);
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-answer {
  padding: 4px 20px 16px;
  font-size: var(--size-small);
  line-height: 1.85;
  color: var(--c-blue-deep);
}

.page-faq .faq-answer ol {
  margin: 8px 0;
  padding-left: 20px;
}

.page-faq .faq-answer p {
  margin: 8px 0;
}

/* ---- 联系支持卡片 ---- */
.page-faq .faq-support-card {
  padding: 24px;
  border: 1px dashed var(--c-silver);
  border-left: 4px solid var(--c-orange);
  border-radius: 12px;
  background: var(--c-beige);
}

.page-faq .faq-support-card p {
  margin: 8px 0;
  font-size: var(--size-small);
  line-height: 1.8;
}

.page-faq .faq-support-card .btn {
  margin-top: 12px;
}

/* ---- 桌面断点 ---- */
@media (min-width: 992px) {
  .page-faq .faq-hero {
    padding: 64px 0 56px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

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

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-width) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-group-grid {
    grid-template-columns: 1fr 280px;
    gap: 28px;
  }

  .page-faq .faq-group-media {
    align-self: start;
  }

  .page-faq .faq-group-media img {
    max-height: 560px;
    object-fit: contain;
  }
}

/* ---- 小屏微调 ---- */
@media (max-width: 575px) {
  .page-faq .faq-hero {
    padding: 32px 0 28px;
  }

  .page-faq .faq-overview {
    padding: 40px 0 32px;
  }

  .page-faq .faq-group {
    padding: 16px;
  }

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

  .page-faq .faq-cat-num {
    grid-row: auto;
  }

  .page-faq .faq-cat-desc {
    font-size: 0.8125rem;
  }
}