/* ===== 支持中心 FAQ 页面专属样式 ===== */
.page-faq {
  --faq-gold-glow: 0 0 12px rgba(242, 201, 76, 0.25);
  --faq-card-bg: rgba(44, 62, 80, 0.65);
  --faq-radius: 14px;
  --faq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --faq-icon-size: 36px;
  --faq-gap: 16px;
}

/* ----- 页面标题区 ----- */
.page-faq__hero {
  padding: 28px 0 20px;
  position: relative;
}

.page-faq__hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--color-gold-red-gradient, linear-gradient(135deg, #F2C94C, #E63946));
  border-radius: 2px;
  opacity: 0.7;
}

.page-faq__breadcrumb {
  font-family: var(--font-body, 'Inter','Noto Sans SC',sans-serif);
  font-size: 0.85rem;
  color: var(--color-gray-1, #B0B8C1);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.page-faq__breadcrumb a {
  color: var(--color-gray-1, #B0B8C1);
  text-decoration: none;
  transition: color var(--faq-transition);
}

.page-faq__breadcrumb a:hover,
.page-faq__breadcrumb a:focus-visible {
  color: var(--color-gold, #F2C94C);
  outline: none;
  text-decoration: underline;
}

.page-faq__breadcrumb-sep {
  color: var(--color-gray-1, #B0B8C1);
  user-select: none;
}

.page-faq__breadcrumb [aria-current="page"] {
  color: var(--color-white, #FFFFFF);
  font-weight: 500;
}

.page-faq__heading {
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 800;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: 0.04em;
  color: var(--color-white, #FFFFFF);
  margin: 0 0 6px;
  line-height: 1.2;
}

.page-faq__subtitle {
  font-family: var(--font-body, 'Inter','Noto Sans SC',sans-serif);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--color-gray-1, #B0B8C1);
  max-width: 680px;
  line-height: 1.5;
  margin: 0;
}

/* ----- 快速导航 ----- */
.page-faq__quick-nav {
  padding: 20px 0 12px;
}

.page-faq__quick-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.page-faq__quick-link {
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-gray-1, #B0B8C1);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: color var(--faq-transition);
  letter-spacing: 0.03em;
}

.page-faq__quick-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold, #F2C94C);
  transition: width var(--faq-transition);
}

.page-faq__quick-link:hover,
.page-faq__quick-link:focus-visible {
  color: var(--color-gold, #F2C94C);
  outline: none;
}

.page-faq__quick-link:hover::after,
.page-faq__quick-link:focus-visible::after {
  width: 100%;
}

/* ----- 章节通用 ----- */
.page-faq__section {
  padding: 30px 0 20px;
}

.page-faq__section + .page-faq__section {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.page-faq__section-title {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 8px;
}

.page-faq__section-num {
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  line-height: 1;
  color: var(--color-gold, #F2C94C);
  letter-spacing: 0.02em;
  flex-shrink: 0;
  min-width: 1.8em;
  text-shadow: var(--faq-gold-glow);
}

.page-faq__section-head-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.page-faq__section-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  object-fit: cover;
  background: var(--color-gray-2, #2C3E50);
  flex-shrink: 0;
}

.page-faq__section-heading {
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 3.5vw, 1.7rem);
  letter-spacing: 0.03em;
  color: var(--color-white, #FFFFFF);
  margin: 0;
  line-height: 1.3;
}

.page-faq__section-desc {
  font-family: var(--font-body, 'Inter','Noto Sans SC',sans-serif);
  font-size: 0.95rem;
  color: var(--color-gray-1, #B0B8C1);
  margin: 0 0 20px 0;
  padding-left: calc(1.8em + 14px);
  line-height: 1.5;
}

/* ----- 折叠项 (details/summary) ----- */
.page-faq__item {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  margin-bottom: var(--faq-gap);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  overflow: hidden;
}

.page-faq__item[open] {
  border-color: rgba(242, 201, 76, 0.25);
  box-shadow: var(--faq-gold-glow);
}

.page-faq__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-white, #FFFFFF);
  line-height: 1.4;
  user-select: none;
  transition: background var(--faq-transition), color var(--faq-transition);
  position: relative;
}

/* 移除默认三角 */
.page-faq__question::-webkit-details-marker {
  display: none;
}
.page-faq__question::marker {
  display: none;
  content: '';
}

.page-faq__question:hover,
.page-faq__question:focus-visible {
  background: rgba(242, 201, 76, 0.08);
  color: var(--color-gold, #F2C94C);
  outline: none;
}

.page-faq__question:focus-visible {
  box-shadow: inset var(--focus-glow, 0 0 0 3px #F2C94C);
}

/* 展开指示符（右侧箭头） */
.page-faq__question::after {
  content: '+';
  margin-left: auto;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-gold, #F2C94C);
  transition: transform var(--faq-transition);
  flex-shrink: 0;
  line-height: 1;
}

.page-faq__item[open] > .page-faq__question::after {
  content: '−';
  transform: rotate(0deg);
}

/* 金色问号图标 */
.page-faq__q-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--faq-icon-size);
  height: var(--faq-icon-size);
  border-radius: 50%;
  background: rgba(242, 201, 76, 0.12);
  color: var(--color-gold, #F2C94C);
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: background var(--faq-transition), transform var(--faq-transition);
}

.page-faq__question:hover .page-faq__q-icon,
.page-faq__question:focus-visible .page-faq__q-icon {
  background: rgba(242, 201, 76, 0.22);
  transform: scale(1.05);
}

.page-faq__q-text {
  flex: 1;
  min-width: 0;
}

/* 答案区域 */
.page-faq__answer {
  padding: 0 18px 18px calc(18px + var(--faq-icon-size) + 12px);
  font-family: var(--font-body, 'Inter','Noto Sans SC',sans-serif);
  font-size: 0.95rem;
  color: var(--color-gray-1, #B0B8C1);
  line-height: 1.7;
  background: rgba(11, 26, 46, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.page-faq__answer p {
  margin: 12px 0;
}

.page-faq__answer a {
  color: var(--color-gold, #F2C94C);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}

.page-faq__answer a:hover,
.page-faq__answer a:focus-visible {
  color: var(--color-red, #E63946);
  outline: none;
}

.page-faq__email-highlight {
  color: var(--color-white, #FFFFFF);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ----- 底部帮助卡片 ----- */
.page-faq__help {
  padding: 40px 0 50px;
}

.page-faq__help-card {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid rgba(242, 201, 76, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.page-faq__help-banner {
  width: 100%;
  height: auto;
  max-height: 150px;
  object-fit: cover;
  display: block;
}

.page-faq__help-content {
  padding: 24px 24px 28px;
  text-align: center;
}

.page-faq__help-title {
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--color-gold, #F2C94C);
  margin: 0 0 6px;
  letter-spacing: 0.04em;
}

.page-faq__help-text {
  font-family: var(--font-body, 'Inter','Noto Sans SC',sans-serif);
  font-size: 0.95rem;
  color: var(--color-gray-1, #B0B8C1);
  margin: 0 0 18px;
}

.page-faq__help-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-faq__help-email {
  font-family: var(--font-data, 'JetBrains Mono','Consolas',monospace);
  font-size: 1.05rem;
  color: var(--color-white, #FFFFFF);
  background: rgba(11, 26, 46, 0.5);
  padding: 8px 16px;
  border-radius: 8px;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-faq__copy-btn {
  font-family: var(--font-heading, 'Inter','Helvetica',sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 18px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: var(--color-gold, #F2C94C);
  color: var(--color-deep-blue, #0B1A2E);
  transition: background var(--faq-transition), transform var(--faq-transition), box-shadow var(--faq-transition);
  line-height: 1.4;
}

.page-faq__copy-btn:hover,
.page-faq__copy-btn:focus-visible {
  background: var(--color-red, #E63946);
  color: var(--color-white, #FFFFFF);
  transform: scale(1.04);
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
  outline: none;
}

.page-faq__help-note {
  font-size: 0.85rem;
  color: var(--color-gray-1, #B0B8C1);
  margin: 0;
}

.page-faq__help-note a {
  color: var(--color-gold, #F2C94C);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}

.page-faq__help-note a:hover,
.page-faq__help-note a:focus-visible {
  color: var(--color-red, #E63946);
  outline: none;
}

/* ----- 响应式：平板及以上 ----- */
@media (min-width: 640px) {
  .page-faq__hero {
    padding: 40px 0 28px;
  }

  .page-faq__quick-nav {
    padding: 24px 0 16px;
  }

  .page-faq__quick-list {
    gap: 10px 24px;
  }

  .page-faq__quick-link {
    font-size: 1rem;
  }

  .page-faq__section {
    padding: 40px 0 28px;
  }

  .page-faq__section-desc {
    padding-left: calc(2em + 18px);
    font-size: 1rem;
  }

  .page-faq__question {
    padding: 18px 22px;
    font-size: 1.05rem;
  }

  .page-faq__answer {
    padding: 0 22px 22px calc(22px + var(--faq-icon-size) + 14px);
    font-size: 0.975rem;
  }

  .page-faq__help {
    padding: 50px 0 60px;
  }

  .page-faq__help-content {
    padding: 28px 32px 32px;
  }

  .page-faq__help-contact {
    gap: 18px;
  }

  .page-faq__help-email {
    font-size: 1.1rem;
    padding: 10px 20px;
  }

  .page-faq__copy-btn {
    font-size: 0.9rem;
    padding: 10px 22px;
  }
}

@media (min-width: 960px) {
  .page-faq__hero {
    padding: 48px 0 32px;
  }

  .page-faq__section {
    padding: 48px 0 32px;
  }

  .page-faq__section-title {
    gap: 20px;
  }

  .page-faq__section-num {
    font-size: clamp(2.8rem, 5vw, 3.8rem);
  }

  .page-faq__section-head-wrap {
    gap: 16px;
  }

  .page-faq__section-desc {
    padding-left: calc(2.2em + 20px);
    max-width: 720px;
  }

  .page-faq__item {
    max-width: 850px;
  }

  .page-faq__help-card {
    max-width: 720px;
    margin: 0 auto;
  }
}

/* ----- 桌面宽屏微调 ----- */
@media (min-width: 1200px) {
  .page-faq__section {
    padding: 56px 0 36px;
  }

  .page-faq__section-desc {
    padding-left: calc(2.4em + 24px);
  }
}