/* ===== 易贝体育 · 支持中心 FAQ 专属样式 ===== */
/* 作用域：.page-faq — 移动端优先，覆盖桌面 */
.page-faq {
  --faq-hero-bg: linear-gradient(160deg, #0A1628 0%, #13203A 60%, #1A2A40 100%);
  --faq-card-bg: rgba(255,255,255,0.03);
  --faq-card-border: rgba(192,192,192,0.12);
  --faq-answer-bg: rgba(255,255,255,0.02);
  --faq-shadow: 0 8px 32px rgba(0,0,0,0.25);
  --faq-radius: 12px;
  --faq-gap: 2rem;
  color: var(--color-white);
  background: var(--color-bg-dark);
  min-height: 100vh;
}

/* 面包屑 */
.page-faq .faq-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  font-family: var(--font-body);
}
.page-faq .faq-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-faq .faq-breadcrumb a:hover,
.page-faq .faq-breadcrumb a:focus-visible {
  color: var(--color-accent-green);
  outline: none;
}
.page-faq .faq-breadcrumb__sep {
  color: var(--color-silver);
  opacity: 0.6;
}

/* 首屏区域 */
.page-faq .faq-hero {
  background: var(--faq-hero-bg);
  position: relative;
  overflow: hidden;
}
.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--slash-height);
  background: var(--gradient-orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 30%);
  opacity: 0.7;
}
.page-faq .faq-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, #FFFFFF 60%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-faq .faq-hero__desc {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 580px;
  line-height: 1.6;
  margin: 0;
}

/* 搜索栏 */
.page-faq .faq-search {
  position: relative;
  width: 100%;
  max-width: 640px;
}
.page-faq .faq-search__decor {
  position: absolute;
  right: -1rem;
  top: -2.5rem;
  width: 200px;
  height: 100px;
  overflow: hidden;
  border-radius: 50%;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
.page-faq .faq-search__decor-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.page-faq .faq-search__input {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 3rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-white);
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(192,192,192,0.25);
  border-radius: 60px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  backdrop-filter: blur(4px);
  box-sizing: border-box;
}
.page-faq .faq-search__input::placeholder {
  color: rgba(255,255,255,0.35);
}
.page-faq .faq-search__input:focus {
  border-color: var(--color-accent-green);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 4px rgba(57,255,20,0.12);
}
.page-faq .faq-search__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  color: var(--color-text-secondary);
  pointer-events: none;
  width: 20px;
  height: 20px;
}

/* 分类索引标签导航 */
.page-faq .faq-index {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.page-faq .faq-index__tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cat-color, var(--color-silver));
  border: 1.5px solid var(--cat-color, var(--color-silver));
  border-radius: 40px;
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}
.page-faq .faq-index__tag:hover,
.page-faq .faq-index__tag:focus-visible {
  background: var(--cat-color, var(--color-silver));
  color: var(--color-bg-dark);
  transform: translateY(-1px);
  outline: none;
}

/* FAQ主区域 */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  padding-top: 0.5rem;
  padding-bottom: 4rem;
}

/* 分类卡片 */
.page-faq .faq-category {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-card-border);
  border-left: 4px solid var(--cat-color, var(--color-silver));
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
  transition: border-color var(--transition-medium);
}
.page-faq .faq-category__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem 0.8rem;
  border-bottom: 1px solid rgba(192,192,192,0.08);
}
.page-faq .faq-category__icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
  flex-shrink: 0;
  background: rgba(255,255,255,0.04);
  padding: 4px;
}
.page-faq .faq-category__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  flex: 1;
  color: var(--color-white);
}
.page-faq .faq-category .tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.7rem;
  border-radius: 30px;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 手风琴列表 */
.page-faq .faq-category__items {
  padding: 0;
}

/* 单个问题项 */
.page-faq .faq-item {
  border-bottom: 1px solid rgba(192,192,192,0.06);
  list-style: none;
}
.page-faq .faq-item:last-child {
  border-bottom: none;
}
.page-faq .faq-item::-webkit-details-marker {
  display: none;
}

/* 问题标题（summary） */
.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.97rem;
  font-weight: 600;
  color: rgba(255,255,255,0.92);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
  list-style: none;
  position: relative;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q:hover {
  background: rgba(255,255,255,0.04);
}
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--color-accent-green);
  outline-offset: -2px;
  background: rgba(57,255,20,0.06);
}

/* 展开指示器 */
.page-faq .faq-item__indicator {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
  transition: transform var(--transition-medium);
}
.page-faq .faq-item__indicator::before,
.page-faq .faq-item__indicator::after {
  content: '';
  position: absolute;
  background: var(--color-silver);
  border-radius: 2px;
  transition: background var(--transition-fast), transform var(--transition-medium);
}
.page-faq .faq-item__indicator::before {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 2px;
  transform: translateY(-50%);
}
.page-faq .faq-item__indicator::after {
  top: 3px;
  left: 50%;
  bottom: 3px;
  width: 2px;
  transform: translateX(-50%);
}
.page-faq details[open] .faq-item__indicator {
  transform: rotate(45deg);
}
.page-faq details[open] .faq-item__indicator::before,
.page-faq details[open] .faq-item__indicator::after {
  background: var(--color-primary);
}

/* 答案内容 */
.page-faq .faq-item__a {
  padding: 0 1.5rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  background: var(--faq-answer-bg);
  border-radius: 0 0 8px 8px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, opacity 0.45s ease, padding 0.3s ease;
}
.page-faq details[open] .faq-item__a {
  max-height: 500px;  /* 足够容纳答案内容 */
  opacity: 1;
  padding: 0 1.5rem 1.2rem;
}
.page-faq .faq-item__a p {
  margin: 0 0 0.6rem;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__ref {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  border-top: 1px solid rgba(192,192,192,0.1);
  padding-top: 0.5rem;
}
.page-faq .faq-item__ref a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}
.page-faq .faq-item__ref a:hover,
.page-faq .faq-item__ref a:focus-visible {
  color: var(--color-accent-green);
  outline: none;
}

/* 底部CTA区域 */
.page-faq .faq-cta {
  padding-top: 0;
  padding-bottom: 4rem;
}
.page-faq .faq-cta__inner {
  background: var(--gradient-bg);
  border: 1px solid rgba(192,192,192,0.15);
  border-radius: var(--faq-radius);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--faq-shadow);
  position: relative;
  overflow: hidden;
}
.page-faq .faq-cta__inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-orange);
}
.page-faq .faq-cta__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 0.8rem;
  color: var(--color-white);
}
.page-faq .faq-cta__text {
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto 1.8rem;
  line-height: 1.6;
}
.page-faq .faq-cta__text strong {
  color: var(--color-white);
  font-weight: 600;
}
.page-faq .faq-cta__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}
.page-faq .faq-cta__links .btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  padding: 0.6rem 1.5rem;
  border-radius: 40px;
  transition: all var(--transition-fast);
}
.page-faq .faq-cta__links .btn--primary {
  background: var(--gradient-orange);
  color: var(--color-white);
  border: none;
}
.page-faq .faq-cta__links .btn--primary:hover,
.page-faq .faq-cta__links .btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,102,0,0.3);
  outline: none;
}
.page-faq .faq-cta__links .btn--secondary {
  background: transparent;
  color: var(--color-silver);
  border: 1.5px solid var(--color-silver);
}
.page-faq .faq-cta__links .btn--secondary:hover,
.page-faq .faq-cta__links .btn--secondary:focus-visible {
  color: var(--color-white);
  border-color: var(--color-white);
  transform: translateY(-2px);
  outline: none;
}

/* 辅助类：屏幕阅读器专用 */
.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===== 响应式 ===== */
/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq .faq-hero__title {
    font-size: 3rem;
  }
  .page-faq .faq-hero__inner {
    padding-top: 3rem;
    padding-bottom: 3.5rem;
  }
  .page-faq .faq-search__decor {
    width: 280px;
    height: 140px;
    right: -0.5rem;
    top: -3rem;
  }
  .page-faq .faq-search__decor-img {
    width: 100%;
    height: 100%;
  }
  .page-faq .faq-category__header {
    padding: 1.4rem 2rem 0.8rem;
  }
  .page-faq .faq-category__icon {
    width: 48px;
    height: 48px;
  }
  .page-faq .faq-category__title {
    font-size: 1.35rem;
  }
  .page-faq .faq-item__q {
    padding: 1.1rem 2rem;
    font-size: 1rem;
  }
  .page-faq .faq-item__a {
    padding: 0 2rem 1.3rem;
    font-size: 0.94rem;
  }
  .page-faq details[open] .faq-item__a {
    padding: 0 2rem 1.3rem;
  }
  .page-faq .faq-cta__inner {
    padding: 3rem 3rem;
  }
  .page-faq .faq-cta__title {
    font-size: 1.9rem;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-faq .faq-hero__title {
    font-size: 3.6rem;
  }
  .page-faq .faq-hero__inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    padding-top: 3.5rem;
    padding-bottom: 4rem;
  }
  .page-faq .faq-hero__text {
    flex: 1 1 55%;
  }
  .page-faq .faq-search {
    flex: 0 0 380px;
    max-width: 420px;
  }
  .page-faq .faq-search__decor {
    width: 320px;
    height: 160px;
    right: 0;
    top: -4rem;
  }
  .page-faq .faq-index__list {
    gap: 0.8rem;
  }
  .page-faq .faq-index__tag {
    font-size: 0.82rem;
    padding: 0.4rem 1.3rem;
  }
  .page-faq .faq-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.8rem;
    align-items: start;
  }
  .page-faq .faq-category {
    break-inside: avoid;
  }
  /* 让部分分类跨列以创造节奏变化 */
  .page-faq .faq-category:first-child {
    grid-column: 1 / -1;
  }
  .page-faq .faq-category:last-child {
    grid-column: 1 / -1;
  }
  .page-faq .faq-cta__inner {
    padding: 3.5rem 4rem;
  }
}

/* 大桌面 */
@media (min-width: 1280px) {
  .page-faq .faq-hero__title {
    font-size: 4rem;
  }
  .page-faq .faq-hero__inner {
    padding-top: 4rem;
    padding-bottom: 4.5rem;
  }
  .page-faq .faq-search {
    flex: 0 0 440px;
    max-width: 480px;
  }
  .page-faq .faq-search__input {
    font-size: 1.05rem;
    padding: 1rem 1.2rem 1rem 3.2rem;
  }
}

/* 动效偏好：减少运动 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__indicator,
  .page-faq .faq-item__a,
  .page-faq .faq-search__input,
  .page-faq .faq-index__tag,
  .page-faq .faq-cta__links .btn {
    transition: none !important;
  }
  .page-faq .faq-item__indicator::before,
  .page-faq .faq-item__indicator::after {
    transition: none !important;
  }
  .page-faq details[open] .faq-item__a {
    max-height: none;
    opacity: 1;
  }
}

.page-faq {
  --cat-color: transparent;
}