/* ===== 页面专属：.page-faq ===== */
.page-faq {
  --faq-hero-bg: var(--color-primary, #0F1B2D);
  --faq-hero-text: var(--color-text-on-dark, #E0E0E0);
  --faq-card-bg: var(--color-white, #fff);
  --faq-card-border: var(--color-light-gray, #F4F4F4);
  --faq-accent: var(--color-accent, #FF7A00);
  --faq-teal: var(--color-secondary-teal, #1A4A5A);
  --faq-wine: var(--color-accent-wine, #8B2252);
  --faq-radius: var(--border-radius-md, 8px);
  --faq-sm-radius: var(--border-radius-sm, 4px);
  --faq-gap: 1.25rem;
  --faq-section-spacing: 3rem;
  --faq-max-width: var(--content-max-width, 1200px);
}

/* ---- 首屏框景 ---- */
.page-faq .faq-hero {
  background: var(--faq-hero-bg);
  color: var(--faq-hero-text);
  padding: 2.5rem 1.25rem 2rem;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 1.25rem), calc(100% - 1.25rem) 100%, 0 100%);
}

.page-faq .faq-hero .container {
  max-width: var(--faq-max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.02) 20px, rgba(255,255,255,0.02) 21px);
  pointer-events: none;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  color: rgba(224,224,224,0.7);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--faq-accent);
  text-decoration: none;
  transition: opacity var(--transition-speed, 0.3s);
}

.page-faq .faq-hero .breadcrumb a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.page-faq .faq-hero .breadcrumb .separator {
  color: rgba(224,224,224,0.4);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading, 'Segoe UI', Roboto, sans-serif);
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--color-white, #fff);
  margin: 0 0 0.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero-desc {
  font-size: 1rem;
  line-height: 1.6;
  max-width: 640px;
  margin: 0 0 1.5rem;
  color: rgba(224,224,224,0.85);
}

/* ---- 搜索框 ---- */
.page-faq .faq-search-area {
  margin-bottom: 1.5rem;
}

.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  background: var(--color-white, #fff);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  max-width: 520px;
}

.page-faq .faq-search-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem 0 1rem;
  color: var(--faq-hero-bg);
  flex-shrink: 0;
}

.page-faq .faq-search-box input[type="search"] {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  padding: 0.75rem 0;
  font-size: 0.95rem;
  font-family: var(--font-body, 'Segoe UI', Roboto, sans-serif);
  color: var(--color-dark-gray, #333);
  background: transparent;
}

.page-faq .faq-search-box input[type="search"]::placeholder {
  color: #999;
}

.page-faq .faq-search-btn {
  background: var(--faq-accent);
  color: var(--color-white, #fff);
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body, 'Segoe UI', Roboto, sans-serif);
  cursor: pointer;
  transition: background var(--transition-speed, 0.3s);
  flex-shrink: 0;
}

.page-faq .faq-search-btn:hover {
  background: #e06e00;
}

/* ---- 分类胶囊 ---- */
.page-faq .faq-category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.page-faq .faq-category-pills .badge {
  display: inline-block;
  background: rgba(255,122,0,0.15);
  color: var(--faq-accent);
  padding: 0.35rem 1rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(255,122,0,0.25);
  transition: background var(--transition-speed, 0.3s), border-color var(--transition-speed, 0.3s);
}

.page-faq .faq-category-pills .badge:hover {
  background: rgba(255,122,0,0.28);
  border-color: var(--faq-accent);
}

/* ---- 展开控制按钮 ---- */
.page-faq .faq-expand-controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.page-faq .faq-expand-controls .btn {
  font-size: 0.8rem;
  padding: 0.35rem 1rem;
  border-radius: var(--faq-sm-radius);
  cursor: pointer;
  transition: all var(--transition-speed, 0.3s);
}

/* ---- 各问答区 ---- */
.page-faq .faq-section {
  padding: var(--faq-section-spacing) 1.25rem;
  background: var(--color-light-gray, #F4F4F4);
}

.page-faq .faq-section:nth-child(even of .faq-section) {
  background: var(--color-white, #fff);
}

.page-faq .faq-section .container {
  max-width: var(--faq-max-width);
  margin: 0 auto;
}

.page-faq .faq-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.page-faq .faq-category-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--faq-sm-radius);
  flex-shrink: 0;
  background: var(--faq-hero-bg);
  padding: 6px;
}

.page-faq .faq-section-header h2 {
  font-family: var(--font-heading, 'Segoe UI', Roboto, sans-serif);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: var(--faq-hero-bg);
  margin: 0;
  line-height: 1.2;
}

.page-faq .faq-section-desc {
  color: var(--color-dark-gray, #333);
  font-size: 0.95rem;
  margin: 0 0 1.25rem 0;
  padding-left: 0;
  opacity: 0.75;
}

/* ---- 问答列表 ---- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .faq-item {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-card-border);
  overflow: hidden;
  transition: box-shadow var(--transition-speed, 0.3s);
}

.page-faq .faq-item:hover {
  box-shadow: 0 2px 12px rgba(15,27,45,0.08);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--color-dark-gray, #333);
  list-style: none;
  position: relative;
  transition: background var(--transition-speed, 0.3s);
}

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

.page-faq .faq-item summary::after {
  content: '+';
  margin-left: auto;
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--faq-accent);
  transition: transform var(--transition-speed, 0.3s);
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .faq-item[open] summary::after {
  content: '−';
  transform: rotate(0deg);
}

.page-faq .faq-item[open] summary {
  background: rgba(255,122,0,0.04);
}

.page-faq .faq-q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--faq-accent);
  color: var(--color-white, #fff);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .faq-answer {
  padding: 0 1.25rem 1rem calc(1.25rem + 0.6rem + 1.6rem);
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-dark-gray, #333);
}

.page-faq .faq-answer p {
  margin: 0.4rem 0;
}

.page-faq .faq-answer a {
  color: var(--faq-accent);
  text-decoration: underline;
  font-weight: 500;
}

.page-faq .faq-answer a:hover {
  color: #e06e00;
}

/* ---- 桌面端布局（图文并排） ---- */
.page-faq .faq-layout-desktop {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-faq .faq-desktop-figure {
  margin: 0;
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-card-border);
  padding: 0.75rem;
  text-align: center;
}

.page-faq .faq-desktop-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--faq-sm-radius);
  object-fit: cover;
  display: block;
  margin: 0 auto;
}

.page-faq .faq-desktop-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: #777;
}

/* ---- 底部联系面板 ---- */
.page-faq .faq-contact-panel {
  background: var(--faq-hero-bg);
  color: var(--faq-hero-text);
  padding: 2.5rem 1.25rem;
  text-align: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 1.25rem), calc(100% - 1.25rem) 100%, 0 100%);
  margin-top: 0;
}

.page-faq .faq-contact-panel .container {
  max-width: 640px;
  margin: 0 auto;
}

.page-faq .faq-contact-heading {
  font-family: var(--font-heading, 'Segoe UI', Roboto, sans-serif);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-white, #fff);
  margin: 0 0 0.75rem;
}

.page-faq .faq-contact-panel p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 1.5rem;
  color: rgba(224,224,224,0.85);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.page-faq .faq-contact-actions .btn {
  font-size: 0.95rem;
  padding: 0.65rem 1.75rem;
  border-radius: var(--faq-radius);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-speed, 0.3s);
  cursor: pointer;
}

.page-faq .faq-contact-actions .btn-primary {
  background: var(--faq-accent);
  color: var(--color-white, #fff);
  border: 2px solid var(--faq-accent);
}

.page-faq .faq-contact-actions .btn-primary:hover {
  background: #e06e00;
  border-color: #e06e00;
}

.page-faq .faq-contact-actions .btn-secondary {
  background: transparent;
  color: var(--faq-hero-text);
  border: 2px solid rgba(224,224,224,0.35);
}

.page-faq .faq-contact-actions .btn-secondary:hover {
  border-color: var(--faq-hero-text);
  background: rgba(255,255,255,0.06);
}

/* ---- 移动端适配（窄屏） ---- */
@media (max-width: 639px) {
  .page-faq .faq-hero {
    padding: 1.75rem 1rem 1.5rem;
  }

  .page-faq .faq-hero h1 {
    font-size: 1.5rem;
  }

  .page-faq .faq-section {
    padding: 2rem 1rem;
  }

  .page-faq .faq-category-icon {
    width: 34px;
    height: 34px;
    padding: 4px;
  }

  .page-faq .faq-item summary {
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
  }

  .page-faq .faq-answer {
    padding: 0 1rem 0.75rem calc(1rem + 0.5rem + 1.6rem);
    font-size: 0.85rem;
  }

  .page-faq .faq-search-box {
    max-width: 100%;
  }

  .page-faq .faq-search-btn {
    padding: 0.65rem 1rem;
    font-size: 0.82rem;
  }

  .page-faq .faq-expand-controls .btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
  }

  .page-faq .faq-contact-panel {
    padding: 2rem 1rem;
  }

  .page-faq .faq-desktop-figure {
    padding: 0.5rem;
  }
}

/* ---- 桌面端栅格与并排 ---- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 3rem 2rem 2.25rem;
  }

  .page-faq .faq-section {
    padding: 3.5rem 2rem;
  }

  .page-faq .faq-layout-desktop {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }

  .page-faq .faq-layout-desktop .faq-list {
    flex: 1 1 60%;
    min-width: 0;
  }

  .page-faq .faq-desktop-figure {
    flex: 0 0 280px;
    position: sticky;
    top: calc(var(--header-height, 4rem) + 1rem);
  }

  .page-faq .faq-desktop-img {
    max-width: 100%;
  }

  .page-faq .faq-category-pills {
    gap: 0.75rem;
  }

  .page-faq .faq-category-pills .badge {
    font-size: 0.9rem;
    padding: 0.4rem 1.25rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 4rem 2rem 2.5rem;
  }

  .page-faq .faq-desktop-figure {
    flex-basis: 340px;
  }

  .page-faq .faq-section-header h2 {
    font-size: 1.8rem;
  }
}