.page-faq {
  --faq-blue: #0B4EA2;
  --faq-blue-deep: #083A7A;
  --faq-blue-soft: #E8F0FA;
  --faq-orange: #FF6B2C;
  --faq-green: #3AA655;
  --faq-lake: #0E7B9F;
  --faq-ink: #1A1A1A;
  --faq-gray: #D8D8D8;
  --faq-muted: #66788D;
  --faq-cream: #F7F3E8;
  --faq-white: #FFFFFF;
  background: var(--faq-white);
  color: var(--faq-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

/* ===== Hero 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 72px;
  background: linear-gradient(180deg, var(--faq-blue-soft) 0%, var(--faq-white) 100%);
}

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

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--faq-muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.page-faq .faq-breadcrumb a {
  color: var(--faq-blue);
  text-decoration: none;
  font-weight: 600;
}

.page-faq .faq-breadcrumb a:hover,
.page-faq .faq-breadcrumb a:focus {
  color: var(--faq-orange);
}

.page-faq .faq-breadcrumb-sep {
  color: var(--faq-gray);
}

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

.page-faq .faq-hero-main::after {
  content: "";
  display: block;
  width: 64px;
  height: 6px;
  border-radius: 99px;
  background: var(--faq-orange);
  margin-top: 28px;
}

.page-faq .faq-title {
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--faq-ink);
  margin: 10px 0 16px;
}

.page-faq .faq-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--faq-muted);
  max-width: 620px;
  margin: 0;
}

.page-faq .faq-hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: linear-gradient(135deg, var(--faq-blue) 0%, var(--faq-blue-deep) 100%);
  border-radius: 24px 24px 24px 6px;
  padding: 24px 20px;
  color: var(--faq-white);
  box-shadow: 0 16px 48px rgba(11, 78, 162, 0.24);
}

.page-faq .faq-metric-item {
  text-align: center;
}

.page-faq .faq-metric-item strong {
  display: block;
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(20px, 4.2vw, 30px);
  line-height: 1.2;
  color: var(--faq-white);
}

.page-faq .faq-metric-item span {
  display: block;
  font-size: 12px;
  opacity: 0.88;
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ===== 左右两栏主体 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 0 20px 80px;
}

.page-faq .faq-sidebar {
  min-width: 0;
}

.page-faq .faq-sidebar-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--faq-blue) 0%, var(--faq-blue-deep) 100%);
  border-radius: 24px 24px 24px 6px;
  padding: 28px 22px 24px;
  color: var(--faq-white);
  box-shadow: 0 8px 32px rgba(11, 78, 162, 0.18);
}

.page-faq .faq-sidebar-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 26px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.page-faq .faq-sidebar-kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
  margin: 0 0 4px;
}

.page-faq .faq-sidebar-title {
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 22px;
  margin: 0 0 20px;
  color: var(--faq-white);
}

.page-faq .faq-toc {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-toc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  padding: 12px 12px;
  border-radius: 14px;
  text-decoration: none;
  transition: background 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  scroll-margin-top: 120px;
}

.page-faq .faq-toc-item:hover,
.page-faq .faq-toc-item:focus {
  background: rgba(255, 255, 255, 0.12);
  color: var(--faq-white);
}

.page-faq .faq-toc-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--faq-orange);
}

.page-faq .faq-toc-count {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 4px 9px;
  color: var(--faq-white);
}

.page-faq .faq-sidebar-foot {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-faq .faq-sidebar-foot p {
  font-size: 13px;
  opacity: 0.8;
  margin: 0 0 10px;
}

.page-faq .faq-connect-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--faq-orange);
  color: var(--faq-white);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 18px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(255, 107, 44, 0.3);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-faq .faq-connect-link:hover,
.page-faq .faq-connect-link:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 107, 44, 0.4);
}

/* ===== 右侧内容区 ===== */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  margin-bottom: 52px;
  scroll-margin-top: 100px;
}

.page-faq .faq-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--faq-blue);
  margin-bottom: 8px;
}

.page-faq .faq-section-index {
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 28px;
  line-height: 1;
  color: var(--faq-blue);
  flex-shrink: 0;
}

.page-faq .faq-section-head-txt h2 {
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 24px;
  line-height: 1.2;
  margin: 0 0 4px;
  color: var(--faq-ink);
}

.page-faq .faq-section-head-txt p {
  font-size: 13px;
  color: var(--faq-muted);
  margin: 0;
}

.page-faq .faq-section[data-cat="schedule"] .faq-section-head {
  border-bottom-color: var(--faq-blue);
}

.page-faq .faq-section[data-cat="schedule"] .faq-section-index {
  color: var(--faq-blue);
}

.page-faq .faq-section[data-cat="video"] .faq-section-head {
  border-bottom-color: var(--faq-orange);
}

.page-faq .faq-section[data-cat="video"] .faq-section-index {
  color: var(--faq-orange);
}

.page-faq .faq-section[data-cat="app"] .faq-section-head {
  border-bottom-color: var(--faq-lake);
}

.page-faq .faq-section[data-cat="app"] .faq-section-index {
  color: var(--faq-lake);
}

.page-faq .faq-section[data-cat="data"] .faq-section-head {
  border-bottom-color: var(--faq-green);
}

.page-faq .faq-section[data-cat="data"] .faq-section-index {
  color: var(--faq-green);
}

/* ===== 手风琴列表 ===== */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-gray);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-gray);
  background: var(--faq-white);
  scroll-margin-top: 100px;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  padding: 16px 8px;
  list-style: none;
  transition: background 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus {
  background: var(--faq-blue-soft);
}

.page-faq .faq-item[open] > summary {
  background: var(--faq-blue-soft);
  border-bottom: 1px solid var(--faq-gray);
}

.page-faq .faq-q-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px 9px 9px 3px;
  background: var(--faq-blue);
  color: var(--faq-white);
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 28px;
  text-align: center;
  flex-shrink: 0;
}

.page-faq .faq-section[data-cat="video"] .faq-q-mark {
  background: var(--faq-orange);
}

.page-faq .faq-section[data-cat="app"] .faq-q-mark {
  background: var(--faq-lake);
}

.page-faq .faq-section[data-cat="data"] .faq-q-mark {
  background: var(--faq-green);
}

.page-faq .faq-q-title {
  flex: 1;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--faq-ink);
}

.page-faq .faq-q-icon {
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--faq-gray);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--faq-blue);
  font-size: 16px;
  font-weight: 600;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-faq .faq-item[open] .faq-q-icon {
  transform: rotate(45deg);
  background: var(--faq-blue);
  border-color: var(--faq-blue);
  color: var(--faq-white);
}

.page-faq .faq-section[data-cat="video"] .faq-item[open] .faq-q-icon {
  background: var(--faq-orange);
  border-color: var(--faq-orange);
}

.page-faq .faq-section[data-cat="app"] .faq-item[open] .faq-q-icon {
  background: var(--faq-lake);
  border-color: var(--faq-lake);
}

.page-faq .faq-section[data-cat="data"] .faq-item[open] .faq-q-icon {
  background: var(--faq-green);
  border-color: var(--faq-green);
}

.page-faq .faq-a {
  padding: 14px 8px 22px 42px;
  font-size: 15px;
  line-height: 1.8;
  color: #3A3A3A;
}

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

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

/* ===== 图片 ===== */
.page-faq .faq-figure {
  margin: 20px 0 6px;
}

.page-faq .faq-figure img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(11, 78, 162, 0.08);
  display: block;
}

.page-faq .faq-figure-app img {
  max-width: 180px;
  margin: 0 auto;
  border-radius: 28px;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--faq-muted);
  line-height: 1.5;
}

.page-faq .faq-figure-app figcaption {
  text-align: center;
}

/* ===== 底部帮助卡片 ===== */
.page-faq .faq-help {
  background: var(--faq-cream);
  border-radius: 24px 24px 24px 6px;
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  border-left: 6px solid var(--faq-orange);
}

.page-faq .faq-help-main h2 {
  font-family: "Arial Black", Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 22px;
  margin: 0 0 8px;
  color: var(--faq-ink);
}

.page-faq .faq-help-main p {
  font-size: 14px;
  line-height: 1.7;
  color: #4A4A4A;
  margin: 0;
}

.page-faq .faq-help-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
}

.page-faq .faq-help-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--faq-orange);
  color: var(--faq-white);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  padding: 8px 18px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(255, 107, 44, 0.28);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-faq .faq-help-phone:hover,
.page-faq .faq-help-phone:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 107, 44, 0.4);
}

.page-faq .faq-help-mail {
  color: var(--faq-blue);
  font-size: 15px;
}

.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-help-actions .btn-outline {
  background: transparent;
  border: 1.5px solid var(--faq-blue);
  color: var(--faq-blue);
}

.page-faq .faq-help-actions .btn-outline:hover,
.page-faq .faq-help-actions .btn-outline:focus {
  background: var(--faq-blue-soft);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 56px 0 88px;
  }

  .page-faq .faq-title {
    font-size: 56px;
  }

  .page-faq .faq-lead {
    font-size: 17px;
  }

  .page-faq .faq-layout {
    padding: 0 24px 100px;
  }

  .page-faq .faq-item > summary {
    padding: 18px 12px;
  }

  .page-faq .faq-a {
    padding: 18px 16px 24px 52px;
  }

  .page-faq .faq-help {
    grid-template-columns: 3fr 2fr;
    padding: 32px;
  }

  .page-faq .faq-help-actions {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1fr 360px;
    gap: 48px;
  }

  .page-faq .faq-hero-metrics {
    padding: 30px 24px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 264px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-sidebar-card {
    padding: 30px 24px 26px;
  }

  .page-faq .faq-q-title {
    font-size: 16px;
  }

  .page-faq .faq-a {
    font-size: 16px;
  }

  .page-faq .faq-section-head-txt p {
    font-size: 14px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1fr 400px;
  }

  .page-faq .faq-title {
    font-size: 68px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 276px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item > summary,
  .page-faq .faq-toc-item,
  .page-faq .faq-connect-link,
  .page-faq .faq-help-phone {
    transition: none;
  }
}