/* ===== 页面专属：.page-faq ===== */
.page-faq {
  --faq-section-gap: 3rem;
  --faq-card-radius: 8px;
  --faq-card-border: rgba(138, 43, 226, 0.35);
  --faq-card-bg: rgba(26, 31, 61, 0.65);
  --faq-answer-color: #B0C4DE;
  --faq-icon-size: 24px;
  --faq-grid-bg: radial-gradient(circle at 20% 30%, rgba(138, 43, 226, 0.06) 0%, transparent 60%);
}

/* ---------- 英雄区 ---------- */
.page-faq .faq-hero {
  padding: 6rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  background: linear-gradient(135deg, #8A2BE2, #39FF14);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 1rem 0 0.75rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__desc {
  font-size: 1.1rem;
  color: #B0C4DE;
  max-width: 680px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(176, 196, 222, 0.65);
  margin-bottom: 0.5rem;
}

.page-faq .breadcrumb-link {
  color: #8A2BE2;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: #39FF14;
}

.page-faq .breadcrumb-separator {
  color: rgba(138, 43, 226, 0.5);
  font-weight: 300;
}

.page-faq .breadcrumb-current {
  color: #E0E8F0;
  font-weight: 600;
}

/* ---------- 网格/容器 ---------- */
.page-faq .faq-grid {
  padding: 2rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: var(--faq-section-gap);
  background: var(--faq-grid-bg);
}

/* ---------- 版块 ---------- */
.page-faq .faq-section {
  border: none;
}

.page-faq .faq-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(138, 43, 226, 0.12);
  border-left: 3px solid #8A2BE2;
  margin-bottom: 1.25rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-section__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #E0E8F0;
  margin: 0;
  letter-spacing: 0.01em;
}

.page-faq .faq-section__count {
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(57, 255, 20, 0.5);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.page-faq .faq-section__items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ---------- 手风琴卡片 ---------- */
.page-faq .faq-card {
  border: 1px solid var(--faq-card-border);
  border-radius: var(--faq-card-radius);
  background: var(--faq-card-bg);
  overflow: hidden;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.page-faq .faq-card:hover {
  border-color: rgba(138, 43, 226, 0.7);
  box-shadow: 0 0 16px rgba(138, 43, 226, 0.25);
}

.page-faq .faq-card[open] {
  border-color: rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.08);
}

.page-faq .faq-card__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
}

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

.page-faq .faq-card__summary:focus-visible {
  outline: 2px solid #8A2BE2;
  outline-offset: -2px;
  border-radius: var(--faq-card-radius);
}

.page-faq .faq-card__q {
  font-weight: 700;
  font-size: 1.05rem;
  color: #E0E8F0;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.page-faq .faq-card[open] .faq-card__q {
  color: #39FF14;
}

.page-faq .faq-card__icon {
  flex-shrink: 0;
  width: var(--faq-icon-size);
  height: var(--faq-icon-size);
  position: relative;
  transition: transform var(--transition-normal);
}

.page-faq .faq-card__icon::before,
.page-faq .faq-card__icon::after {
  content: '';
  position: absolute;
  background: #8A2BE2;
  border-radius: 2px;
  transition: background var(--transition-fast), transform var(--transition-normal);
}

.page-faq .faq-card__icon::before {
  width: 2px;
  height: 100%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.page-faq .faq-card__icon::after {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.page-faq .faq-card[open] .faq-card__icon::before {
  transform: translateX(-50%) rotate(90deg);
  background: #39FF14;
}

.page-faq .faq-card[open] .faq-card__icon::after {
  background: #39FF14;
}

/* ---------- 卡片正文 ---------- */
.page-faq .faq-card__body {
  padding: 0 1.25rem 1.25rem;
  color: var(--faq-answer-color);
  font-size: 0.975rem;
  line-height: 1.7;
  border-top: 1px solid rgba(138, 43, 226, 0.15);
  padding-top: 1rem;
}

.page-faq .faq-card__answer {
  margin: 0 0 0.75rem;
}

.page-faq .faq-card__answer:last-child {
  margin-bottom: 0;
}

/* ---------- 图片嵌入 ---------- */
.page-faq .faq-image-wrapper {
  margin-top: 0.75rem;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(138, 43, 226, 0.2);
  max-width: 100%;
  width: fit-content;
}

.page-faq .faq-image {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: #1A1F3D;
}

/* ---------- 内联链接 ---------- */
.page-faq .faq-link {
  color: #8A2BE2;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 1px 0 transparent;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: #39FF14;
  box-shadow: 0 1px 0 #39FF14;
}

/* ---------- CTA 区 ---------- */
.page-faq .faq-cta-section {
  padding: 2rem 0 4rem;
}

.page-faq .faq-cta-card {
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.12) 0%, rgba(26, 31, 61, 0.6) 100%);
  border: 1px solid rgba(138, 43, 226, 0.3);
  padding: 2.5rem 2rem;
  text-align: center;
  clip-path: polygon(0 0, 100% 0, calc(100% - 32px) 100%, 0 100%);
  transition: border-color var(--transition-normal);
}

.page-faq .faq-cta-card:hover {
  border-color: rgba(57, 255, 20, 0.2);
}

.page-faq .faq-cta__title {
  font-size: 1.75rem;
  font-weight: 900;
  background: linear-gradient(135deg, #8A2BE2, #39FF14);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.75rem;
}

.page-faq .faq-cta__text {
  color: #B0C4DE;
  max-width: 500px;
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

.page-faq .faq-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  background: #8A2BE2;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 0 12px rgba(138, 43, 226, 0.35);
}

.page-faq .faq-cta__btn:hover,
.page-faq .faq-cta__btn:focus-visible {
  background: #39FF14;
  color: #0A0E27;
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.4);
}

.page-faq .faq-cta__alt {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: rgba(176, 196, 222, 0.65);
}

.page-faq .faq-cta__alt .faq-link {
  font-weight: 600;
}

/* ===== 移动端优先 + 响应式 ===== */
/* 默认 (窄屏) 已适配单列、紧凑间距 */

/* 平板及以上 */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 7rem 0 3rem;
  }

  .page-faq .faq-hero__title {
    font-size: clamp(2.6rem, 4.5vw, 3.8rem);
  }

  .page-faq .faq-hero__desc {
    font-size: 1.15rem;
  }

  .page-faq .faq-section__header {
    padding: 1rem 1.75rem;
  }

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

  .page-faq .faq-card__summary {
    padding: 1.1rem 1.5rem;
  }

  .page-faq .faq-card__body {
    padding: 0 1.5rem 1.5rem;
    padding-top: 1rem;
  }

  .page-faq .faq-cta-card {
    padding: 3rem 3rem;
  }

  .page-faq .faq-image-wrapper {
    max-width: 400px;
  }
}

/* 桌面大屏 */
@media (min-width: 1024px) {
  .page-faq .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--faq-section-gap) 2rem;
    align-items: start;
  }

  .page-faq .faq-section {
    break-inside: avoid;
  }

  /* CTA 跨两列 */
  .page-faq .faq-cta-section {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero {
    padding: 8rem 0 3.5rem;
  }

  .page-faq .faq-hero__title {
    font-size: 3.2rem;
  }

  .page-faq .faq-section__header {
    padding: 1.1rem 2rem;
  }

  .page-faq .faq-section__title {
    font-size: 1.6rem;
  }

  .page-faq .faq-card__summary {
    padding: 1.2rem 1.75rem;
  }

  .page-faq .faq-card__body {
    padding: 0 1.75rem 1.5rem;
    padding-top: 1rem;
  }

  .page-faq .faq-cta-card {
    padding: 3.5rem 4rem;
  }
}

/* 超大屏限制最大宽度内布局优化 */
@media (min-width: 1280px) {
  .page-faq .faq-grid {
    gap: var(--faq-section-gap) 3rem;
  }
}