.page-faq {
  --faq-gold: #FFD700;
  --faq-accent: #E94560;
  --faq-dark: #1A1A2E;
  --faq-navy: #0F3460;
  --faq-cream: #F5E6CC;
  --faq-white: #FFFFFF;
  --faq-body: #333333;
  --faq-gray: #CCCCCC;
  --faq-radius: 8px;
  --faq-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--faq-dark);
  color: var(--faq-body);
  line-height: 1.7;
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  padding: 40px 0 80px;
  min-height: 100vh;
}

.page-faq .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 20px;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 400;
  color: var(--faq-gray);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.page-faq .breadcrumb__link {
  color: var(--faq-gold);
  text-decoration: none;
  transition: color var(--faq-transition);
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--faq-white);
  outline: 2px solid var(--faq-gold);
  outline-offset: 2px;
}

.page-faq .breadcrumb__sep {
  color: var(--faq-gray);
  user-select: none;
}

.page-faq .breadcrumb__current {
  color: var(--faq-white);
  font-weight: 600;
}

/* 标题区 */
.page-faq .faq-hero {
  position: relative;
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 2px solid rgba(255, 215, 0, 0.15);
}

.page-faq .faq-hero__title {
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', 'Arial Black', sans-serif);
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--faq-white);
  margin: 0 0 8px;
  line-height: 1.1;
}

.page-faq .faq-hero__sub {
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 400;
  color: var(--faq-gray);
  margin: 0 0 16px;
  letter-spacing: 1px;
}

.page-faq .faq-hero__line {
  display: block;
  width: 80px;
  height: 4px;
  background: var(--faq-gold);
  border-radius: 2px;
  margin-top: 8px;
}

/* 分类锚点导航 */
.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
  padding: 4px 0;
}

.page-faq .faq-tabs__item {
  font-family: var(--font-accent, 'Oswald', 'Impact', sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--faq-white);
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.25);
  border-radius: 30px;
  padding: 8px 20px;
  text-decoration: none;
  transition: all var(--faq-transition);
  white-space: nowrap;
}

.page-faq .faq-tabs__item:hover,
.page-faq .faq-tabs__item:focus-visible {
  background: var(--faq-gold);
  color: var(--faq-dark);
  border-color: var(--faq-gold);
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.25);
}

/* 网格布局 */
.page-faq .faq-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 56px;
}

/* 卡片 */
.page-faq .faq-card {
  background: var(--faq-cream);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: box-shadow var(--faq-transition);
  border: 1px solid rgba(255, 215, 0, 0.1);
}

.page-faq .faq-card:hover {
  box-shadow: 0 12px 40px rgba(255, 215, 0, 0.08);
}

.page-faq .faq-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px 0;
}

.page-faq .faq-card__num {
  font-family: var(--font-accent, 'Oswald', 'Impact', sans-serif);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--faq-gold);
  line-height: 1;
  opacity: 0.7;
  flex-shrink: 0;
}

.page-faq .faq-card__title {
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', 'Arial Black', sans-serif);
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--faq-dark);
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(233, 69, 96, 0.25);
  flex: 1;
}

.page-faq .faq-card__image-wrap {
  padding: 20px 28px 0;
  max-width: 100%;
}

.page-faq .faq-card__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.page-faq .faq-card__body {
  padding: 16px 28px 28px;
}

/* 手风琴项 */
.page-faq .faq-item {
  display: block;
  border-bottom: 1px solid rgba(26, 26, 46, 0.08);
  transition: background var(--faq-transition);
}

.page-faq .faq-item:last-of-type {
  border-bottom: none;
}

.page-faq .faq-item[open] {
  background: rgba(255, 215, 0, 0.04);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  user-select: none;
  transition: color var(--faq-transition);
  position: relative;
}

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

.page-faq .faq-item summary::before {
  content: '+';
  font-family: var(--font-accent, 'Oswald', 'Impact', sans-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--faq-gold);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.12);
  transition: all var(--faq-transition);
  line-height: 1;
}

.page-faq .faq-item[open] summary::before {
  content: '−';
  background: var(--faq-accent);
  color: var(--faq-white);
  transform: rotate(0deg);
}

.page-faq .faq-item summary:hover::before,
.page-faq .faq-item summary:focus-visible::before {
  background: var(--faq-gold);
  color: var(--faq-dark);
}

.page-faq .faq-item summary:hover .faq-item__q,
.page-faq .faq-item summary:focus-visible .faq-item__q {
  color: var(--faq-accent);
}

.page-faq .faq-item:focus-visible {
  outline: 2px solid var(--faq-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-faq .faq-item summary:focus-visible {
  outline: none;
}

.page-faq .faq-item__q {
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--faq-dark);
  transition: color var(--faq-transition);
  flex: 1;
  letter-spacing: 0.3px;
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--faq-accent);
}

.page-faq .faq-item__a {
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--faq-body);
  line-height: 1.8;
  padding: 4px 0 20px 36px;
  transition: background var(--faq-transition);
}

.page-faq .faq-item__a:hover {
  background: rgba(255, 215, 0, 0.03);
  border-radius: 4px;
}

.page-faq .faq-link {
  color: var(--faq-accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: all var(--faq-transition);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--faq-dark);
  border-bottom-color: var(--faq-accent);
  outline: none;
}

/* 联系支持块 */
.page-faq .faq-support-block {
  margin-top: 20px;
  padding: 20px 24px;
  background: rgba(15, 52, 96, 0.06);
  border-radius: 6px;
  border-left: 4px solid var(--faq-gold);
}

.page-faq .faq-support-block__label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--faq-navy);
  margin: 0 0 6px;
}

.page-faq .faq-support-block__info {
  font-size: 0.95rem;
  color: var(--faq-body);
  margin: 0 0 14px;
}

.page-faq .faq-support-block__btn {
  display: inline-block;
  font-family: var(--font-accent, 'Oswald', 'Impact', sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--faq-white);
  background: var(--faq-accent);
  padding: 12px 28px;
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--faq-transition);
  border: none;
  cursor: pointer;
}

.page-faq .faq-support-block__btn:hover,
.page-faq .faq-support-block__btn:focus-visible {
  background: #d6344f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
  outline: none;
}

/* 宽卡片（联系支持） */
.page-faq .faq-card--wide {
  border: 2px solid rgba(255, 215, 0, 0.2);
}

/* 底部CTA */
.page-faq .faq-cta {
  text-align: center;
  padding: 48px 24px;
  background: rgba(255, 215, 0, 0.04);
  border-radius: var(--faq-radius);
  border: 1px solid rgba(255, 215, 0, 0.12);
}

.page-faq .faq-cta__text {
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', 'Arial Black', sans-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--faq-white);
  margin: 0 0 20px;
  letter-spacing: 1px;
}

.page-faq .btn--gold {
  display: inline-block;
  font-family: var(--font-accent, 'Oswald', 'Impact', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--faq-dark);
  background: var(--faq-gold);
  padding: 16px 40px;
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--faq-transition);
  border: none;
  cursor: pointer;
}

.page-faq .btn--gold:hover,
.page-faq .btn--gold:focus-visible {
  background: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 215, 0, 0.35);
  outline: none;
}

/* ===== 移动端优先（基础样式已为移动端优化） ===== */

/* 平板及以上 (≥768px) */
@media screen and (min-width: 768px) {
  .page-faq {
    padding: 60px 0 100px;
  }

  .page-faq .faq-hero {
    margin-bottom: 48px;
    padding-bottom: 32px;
  }

  .page-faq .faq-hero__title {
    font-size: clamp(3rem, 5vw, 5rem);
    letter-spacing: 6px;
  }

  .page-faq .faq-tabs {
    gap: 12px;
    margin-bottom: 56px;
  }

  .page-faq .faq-tabs__item {
    font-size: 0.9rem;
    padding: 10px 24px;
  }

  .page-faq .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .page-faq .faq-card {
    margin: 0;
  }

  .page-faq .faq-card--wide {
    grid-column: 1 / -1;
    max-width: 720px;
    justify-self: center;
    width: 100%;
  }

  .page-faq .faq-card__header {
    padding: 28px 32px 0;
  }

  .page-faq .faq-card__num {
    font-size: 2.6rem;
  }

  .page-faq .faq-card__title {
    font-size: 1.4rem;
  }

  .page-faq .faq-card__image-wrap {
    padding: 24px 32px 0;
  }

  .page-faq .faq-card__body {
    padding: 20px 32px 32px;
  }

  .page-faq .faq-item__q {
    font-size: 1.05rem;
  }

  .page-faq .faq-item__a {
    font-size: 0.95rem;
  }

  .page-faq .faq-cta {
    padding: 56px 32px;
  }

  .page-faq .faq-cta__text {
    font-size: clamp(1.4rem, 2.2vw, 2rem);
  }
}

/* 桌面端 (≥1024px) */
@media screen and (min-width: 1024px) {
  .page-faq {
    padding: 80px 0 120px;
  }

  .page-faq .faq-grid {
    gap: 40px;
  }

  .page-faq .faq-card__header {
    padding: 32px 36px 0;
  }

  .page-faq .faq-card__num {
    font-size: 3rem;
  }

  .page-faq .faq-card__title {
    font-size: 1.6rem;
    letter-spacing: 3px;
  }

  .page-faq .faq-card__image-wrap {
    padding: 28px 36px 0;
  }

  .page-faq .faq-card__body {
    padding: 24px 36px 36px;
  }

  .page-faq .faq-item__q {
    font-size: 1.1rem;
  }

  .page-faq .faq-tabs {
    gap: 16px;
  }

  .page-faq .faq-tabs__item {
    font-size: 0.95rem;
    padding: 12px 28px;
  }
}

/* 超大屏 (≥1440px) */
@media screen and (min-width: 1440px) {
  .page-faq .container {
    padding: 0 32px;
  }

  .page-faq .faq-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .page-faq .faq-card--wide {
    max-width: 800px;
  }
}

/* 窄屏安全（防止横向溢出） */
@media screen and (max-width: 399px) {
  .page-faq .container {
    padding: 0 12px;
  }

  .page-faq .faq-card__header {
    padding: 18px 16px 0;
    gap: 10px;
  }

  .page-faq .faq-card__body {
    padding: 12px 16px 20px;
  }

  .page-faq .faq-card__image-wrap {
    padding: 14px 16px 0;
  }

  .page-faq .faq-item__a {
    padding-left: 28px;
    font-size: 0.9rem;
  }

  .page-faq .faq-item summary {
    padding: 14px 0;
    gap: 8px;
  }

  .page-faq .faq-item summary::before {
    width: 20px;
    height: 20px;
    font-size: 1.1rem;
  }

  .page-faq .faq-tabs {
    gap: 8px;
    margin-bottom: 32px;
  }

  .page-faq .faq-tabs__item {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .page-faq .faq-hero__title {
    font-size: 1.8rem;
  }

  .page-faq .faq-card__num {
    font-size: 1.8rem;
  }

  .page-faq .faq-card__title {
    font-size: 1.05rem;
    letter-spacing: 1px;
  }
}

/* 打印样式 */
@media print {
  .page-faq {
    background: #fff;
    color: #000;
    padding: 20px 0;
  }

  .page-faq .faq-hero__title,
  .page-faq .faq-card__title,
  .page-faq .faq-cta__text {
    color: #000;
  }

  .page-faq .faq-tabs,
  .page-faq .faq-cta,
  .page-faq .faq-support-block__btn,
  .page-faq .btn--gold {
    display: none;
  }

  .page-faq .faq-item[open] .faq-item__q {
    color: #000;
  }

  .page-faq .faq-card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }

  .page-faq .faq-item summary::before {
    color: #999;
  }
}