.page-faq {
  --faq-bg: var(--color-primary, #0A1F3F);
  --faq-card-bg: var(--color-card, #122A4A);
  --faq-text: var(--color-text, #FFFFFF);
  --faq-muted: var(--color-text-muted, #B0B8C4);
  --faq-accent: var(--color-secondary, #FF6B35);
  --faq-gap: 1.5rem;
  --faq-radius: 12px;
  --faq-max-width: 900px;
  --faq-font-heading: var(--font-heading, "Montserrat Black", sans-serif);
  --faq-font-body: var(--font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);

  max-width: var(--faq-max-width);
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
  color: var(--faq-text);
  font-family: var(--faq-font-body);
  line-height: 1.6;
}

/* 面包屑 */
.faq-breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  color: var(--faq-muted);
}

.faq-breadcrumb a {
  color: var(--faq-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.faq-breadcrumb a[aria-current="page"] {
  color: var(--faq-accent);
}

.faq-breadcrumb a:hover {
  color: var(--faq-accent);
}

.faq-breadcrumb span[aria-hidden="true"] {
  margin: 0 0.5rem;
}

/* 首屏 */
.faq-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.faq-hero-img {
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: var(--faq-radius);
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.faq-hero-text {
  text-align: center;
}

.faq-hero-title {
  font-family: var(--faq-font-heading);
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.faq-hero-sub {
  font-size: 1.1rem;
  color: var(--faq-muted);
  margin: 0;
}

/* 分类标签 */
.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.faq-tab {
  background: transparent;
  border: 2px solid var(--faq-card-bg);
  color: var(--faq-text);
  padding: 0.5rem 1.2rem;
  font-family: var(--faq-font-body);
  font-size: 0.95rem;
  border-radius: 40px;
  cursor: pointer;
  transition: all 0.25s ease;
  font-weight: 600;
}

.faq-tab.is-active {
  background: var(--faq-accent);
  border-color: var(--faq-accent);
  color: #fff;
}

.faq-tab:hover {
  border-color: var(--faq-accent);
  color: var(--faq-accent);
}

/* 面板列表 */
.faq-panels {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

.faq-item {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.faq-panel-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: transparent;
  border: none;
  padding: 1.2rem 1.5rem;
  color: var(--faq-text);
  font-family: var(--faq-font-body);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}

.faq-panel-trigger:hover {
  background: rgba(255,255,255,0.04);
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--faq-accent);
  width: 1.5rem;
  text-align: center;
  transition: transform 0.3s ease;
}

.faq-panel-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-panel-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.5rem;
  color: var(--faq-muted);
  font-size: 0.95rem;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-panel-trigger[aria-expanded="true"]+.faq-panel-content {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

.faq-panel-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: block;
  object-fit: contain;
}

.faq-panel-content p {
  margin: 0 0 0.8rem;
}

.faq-panel-content a {
  color: var(--faq-accent);
  text-decoration: underline;
}

.faq-panel-content ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.5rem;
}

.faq-contact-list li {
  margin-bottom: 0.4rem;
}

.faq-contact-list strong {
  color: var(--faq-text);
}

/* 底部求助区 */
.faq-still-help {
  margin-top: 3rem;
  text-align: center;
  padding: 2rem 1rem;
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
}

.faq-still-title {
  font-family: var(--faq-font-heading);
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
}

.faq-still-desc {
  font-size: 1rem;
  color: var(--faq-muted);
  margin: 0;
}

.faq-still-desc a {
  color: var(--faq-accent);
  text-decoration: underline;
}

/* 移动端优先  桌面端扩展 */
@media (min-width: 768px) {
  .page-faq {
    padding: 2rem 2rem 4rem;
  }

  .faq-hero {
    flex-direction: row;
    text-align: left;
  }

  .faq-hero-text {
    text-align: left;
  }

  .faq-hero-title {
    font-size: 3.2rem;
  }

  .faq-tabs {
    justify-content: flex-start;
  }

  .faq-panel-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
    align-items: start;
  }

  .faq-panel-img {
    width: 100%;
    height: auto;
    max-width: 320px;
  }

  .faq-panel-trigger[aria-expanded="true"]+.faq-panel-content {
    padding: 0 1.5rem 1.5rem;
  }
}

/* 超大屏微调 */
@media (min-width: 1024px) {
  .page-faq {
    max-width: 1000px;
  }

  .faq-hero-title {
    font-size: 3.8rem;
  }
}