/* =============================================
   page-faq 专属样式
   所有选择器限定在 .page-faq 作用域内
   ============================================= */
.page-faq {
  --faq-hero-bg: #0A1D3F;
  --faq-gold: #D4A843;
  --faq-orange: #F26C4F;
  --faq-text-light: #E0E0E0;
  --faq-text-dark: #333333;
  --faq-card-bg: #FFFFFF;
  --faq-section-bg-alt: #F5F5F5;
  --faq-border-color: rgba(212, 168, 67, 0.3);
  --faq-shadow: 0 4px 20px rgba(10, 29, 63, 0.08);
  --faq-radius: 4px;
  --faq-sidebar-w: 180px;
}

/* ---- 页面标题区 ---- */
.page-faq .faq-hero {
  background: var(--faq-hero-bg);
  padding: 40px 24px 48px;
  margin-bottom: 0;
  position: relative;
}
.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: var(--faq-gold);
  opacity: 0.5;
}
.page-faq .faq-breadcrumb {
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: var(--faq-text-light);
  opacity: 0.8;
}
.page-faq .faq-breadcrumb a {
  color: var(--faq-gold);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-faq .faq-breadcrumb a:hover,
.page-faq .faq-breadcrumb a:focus-visible {
  opacity: 0.7;
  outline: none;
  text-decoration: underline;
}
.page-faq .breadcrumb-sep {
  margin: 0 8px;
  color: var(--faq-text-light);
  opacity: 0.5;
}
.page-faq .faq-hero-title {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.1;
  color: var(--faq-gold);
  margin: 0 0 12px;
  text-transform: uppercase;
}
.page-faq .faq-hero-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--faq-text-light);
  max-width: 640px;
  margin: 0;
  opacity: 0.9;
}

/* ---- 主体布局容器 ---- */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
}

/* ---- 左侧主内容 ---- */
.page-faq .faq-content {
  flex: 1;
  min-width: 0;
  padding: 32px 0 48px;
}

/* ---- 每个区块共用 ---- */
.page-faq .faq-section {
  scroll-margin-top: 80px;
  margin-bottom: 56px;
}
.page-faq .faq-section:last-child {
  margin-bottom: 0;
}
.page-faq .section-tag {
  display: inline-block;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--faq-gold);
  border: 1px solid var(--faq-gold);
  padding: 3px 12px;
  margin-bottom: 16px;
  background: transparent;
}
.page-faq .faq-section-title {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--faq-text-dark);
  margin: 0 0 8px;
  line-height: 1.2;
}
.page-faq .faq-section-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  margin: 0 0 28px;
  max-width: 680px;
}

/* ---- 步骤网格 ---- */
.page-faq .step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.page-faq .step-card {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  padding: 24px 20px;
  box-shadow: var(--faq-shadow);
  transition: box-shadow 0.25s, transform 0.25s;
  position: relative;
}
.page-faq .step-card:hover {
  box-shadow: 0 8px 30px rgba(10, 29, 63, 0.12);
  transform: translateY(-2px);
}
.page-faq .step-num {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-gold);
  display: block;
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.page-faq .step-title {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--faq-hero-bg);
  margin: 0 0 8px;
}
.page-faq .step-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #444;
  margin: 0;
}
.page-faq .step-text a {
  color: var(--faq-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.page-faq .step-text a:hover,
.page-faq .step-text a:focus-visible {
  border-bottom-color: var(--faq-gold);
  outline: none;
}

/* ---- 新手入门配图 ---- */
.page-faq .faq-figure {
  margin: 0;
  max-width: 100%;
}
.page-faq .faq-figure-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 600 / 400;
  object-fit: cover;
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-border-color);
  background: #e8e8e8;
}
.page-faq .faq-figure-caption {
  font-size: 0.8rem;
  line-height: 1.5;
  color: #777;
  margin-top: 8px;
  font-style: italic;
}

/* ---- FAQ 折叠列表 ---- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 100%;
}
.page-faq .faq-item {
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  background: var(--faq-card-bg);
  overflow: hidden;
  transition: border-color 0.25s;
}
.page-faq .faq-item:focus-within {
  border-color: var(--faq-gold);
  box-shadow: 0 0 0 2px rgba(212, 168, 67, 0.15);
}
.page-faq .faq-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.page-faq .faq-question {
  display: block;
  padding: 16px 20px;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--faq-hero-bg);
  cursor: pointer;
  position: relative;
  transition: background 0.25s, color 0.25s;
  user-select: none;
  margin: 0;
}
.page-faq .faq-question::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--faq-gold);
  transition: transform 0.3s ease, color 0.25s;
  line-height: 1;
}
.page-faq .faq-toggle:checked + .faq-question {
  background: rgba(212, 168, 67, 0.08);
  color: var(--faq-hero-bg);
  border-bottom: 1px solid var(--faq-border-color);
}
.page-faq .faq-toggle:checked + .faq-question::after {
  content: '−';
  transform: translateY(-50%) rotate(0deg);
  color: var(--faq-orange);
}
.page-faq .faq-question:hover {
  background: rgba(212, 168, 67, 0.05);
}
.page-faq .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 20px;
  background: #FAFAFA;
}
.page-faq .faq-toggle:checked ~ .faq-answer {
  max-height: 400px;
  padding: 16px 20px 20px;
}
.page-faq .faq-answer p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: #444;
}
.page-faq .faq-answer a {
  color: var(--faq-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  border-bottom-color: var(--faq-gold);
  outline: none;
}

/* ---- 操作视频 ---- */
.page-faq .video-card {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
  max-width: 800px;
}
.page-faq .video-thumb-wrap {
  position: relative;
  display: block;
  line-height: 0;
  background: #1a1a2e;
}
.page-faq .video-thumb {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 450;
  object-fit: cover;
  background: #2a2a3e;
}
.page-faq .video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: rgba(212, 168, 67, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  transition: background 0.25s, transform 0.25s;
}
.page-faq .video-card:hover .video-play-icon {
  background: var(--faq-gold);
  transform: translate(-50%, -50%) scale(1.04);
}
.page-faq .video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px 4px;
}
.page-faq .video-label {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--faq-hero-bg);
  text-transform: uppercase;
}
.page-faq .video-duration {
  font-size: 0.8rem;
  color: #888;
  font-weight: 400;
}
.page-faq .video-desc {
  padding: 4px 20px 16px;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #555;
}

/* ---- 右侧快速导航锚点（桌面） ---- */
.page-faq .faq-sidebar {
  display: none;
}

/* ==============================
   响应式：桌面端 >= 960px
   ============================== */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 48px 40px 56px;
  }
  .page-faq .faq-hero::after {
    left: 40px;
    right: 40px;
  }
  .page-faq .faq-layout {
    flex-direction: row;
    padding: 0 40px;
    gap: 40px;
  }
  .page-faq .faq-content {
    padding: 40px 0 64px;
    max-width: calc(100% - var(--faq-sidebar-w) - 40px);
  }
  .page-faq .faq-section {
    margin-bottom: 72px;
    scroll-margin-top: 40px;
  }
  .page-faq .step-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-faq .step-card {
    padding: 28px 24px;
  }
  .page-faq .step-num {
    font-size: 2.8rem;
  }

  /* ---- 右侧侧边栏 ---- */
  .page-faq .faq-sidebar {
    display: block;
    flex-shrink: 0;
    width: var(--faq-sidebar-w);
    padding-top: 40px;
    position: sticky;
    top: 40px;
    align-self: flex-start;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }
  .page-faq .anchor-nav-title {
    display: block;
    font-family: var(--font-heading, 'Oswald', sans-serif);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--faq-hero-bg);
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--faq-gold);
  }
  .page-faq .anchor-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    text-decoration: none;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
    border-left: 2px solid transparent;
    padding-left: 12px;
    transition: border-color 0.25s, color 0.25s, background 0.2s;
    border-radius: 0 2px 2px 0;
  }
  .page-faq .anchor-link:hover,
  .page-faq .anchor-link:focus-visible {
    border-left-color: var(--faq-gold);
    color: var(--faq-hero-bg);
    background: rgba(212, 168, 67, 0.06);
    outline: none;
  }
  .page-faq .anchor-num {
    font-family: var(--font-heading, 'Oswald', sans-serif);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--faq-gold);
    letter-spacing: 1px;
    min-width: 22px;
  }
  .page-faq .anchor-label {
    font-weight: 500;
  }
}

/* ==============================
   大型桌面端 >= 1200px
   ============================== */
@media (min-width: 1200px) {
  .page-faq .faq-layout {
    padding: 0 60px;
  }
  .page-faq .faq-hero {
    padding: 56px 60px 64px;
  }
  .page-faq .faq-hero::after {
    left: 60px;
    right: 60px;
  }
  .page-faq .faq-content {
    max-width: calc(100% - var(--faq-sidebar-w) - 60px);
  }
  .page-faq .faq-sidebar {
    --faq-sidebar-w: 200px;
  }
}