.page-faq {
  --faq-panel: #131A22;
  --faq-panel-soft: #0F151C;
  --faq-radius-lg: 24px;
  --faq-radius-md: 16px;
  background: var(--color-ink);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding: 48px 0 20px;
  align-items: center;
}

.page-faq .faq-hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-hero__lead {
  color: var(--color-slate);
  font-size: 16px;
  line-height: 1.7;
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .faq-hero__media {
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-glass);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ===== 面包屑条 ===== */
.page-faq .faq-crumb {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-crumb nav {
  font-size: 13px;
  color: var(--color-slate);
}

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

.page-faq .faq-crumb nav a:hover,
.page-faq .faq-crumb nav a:focus-visible {
  text-decoration: underline;
  outline: none;
}

.page-faq .faq-crumb__sep {
  margin: 0 8px;
  color: var(--color-slate);
}

.page-faq .faq-crumb__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--color-slate);
}

.page-faq .faq-crumb__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-green);
  display: inline-block;
}

/* ===== 布局主体 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 80px;
}

/* ===== 左侧索引 ===== */
.page-faq .faq-index__inner {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-index__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--color-paper);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  letter-spacing: 0.03em;
}

.page-faq .faq-index__title em {
  font-style: normal;
  font-size: 11px;
  color: var(--color-slate);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--color-glass);
  border: 1px solid var(--color-line);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-paper);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index__list a span {
  font-size: 11px;
  color: var(--color-blue);
  font-weight: 700;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--color-blue);
  background: rgba(31, 182, 255, 0.1);
  outline: none;
  color: var(--color-blue);
}

.page-faq .faq-index__cta {
  margin-top: 4px;
  justify-content: center;
  width: 100%;
  max-width: 240px;
}

.page-faq .faq-index__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-slate);
  margin: 0;
  max-width: 240px;
}

/* ===== 主内容 ===== */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: 72px;
}

/* ===== Section ===== */
.page-faq .faq-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.page-faq .faq-section__head .index-label {
  font-size: 13px;
  color: var(--color-blue);
  letter-spacing: 0.08em;
}

.page-faq .faq-section__head .section-title {
  font-size: 28px;
  margin: 0;
}

.page-faq .faq-section__link {
  margin-left: auto;
  font-size: 13px;
  color: var(--color-slate);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.page-faq .faq-section__link:hover {
  color: var(--color-blue);
}

/* ===== 手风琴 ===== */
.page-faq .faq-item {
  background: var(--faq-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--faq-radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(31, 182, 255, 0.5);
}

.page-faq .faq-item[open] {
  border-color: var(--color-blue);
  box-shadow: 0 8px 32px rgba(31, 182, 255, 0.08);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-paper);
  position: relative;
  transition: background-color 0.2s ease;
}

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

.page-faq .faq-item summary::after {
  content: "";
  width: 20px;
  height: 20px;
  margin-left: auto;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 8L10 13L15 8' stroke='%231FB6FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.8;
  transition: transform 0.25s ease;
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(180deg);
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  outline: none;
  background: rgba(31, 182, 255, 0.05);
}

.page-faq .faq-item summary:focus-visible {
  box-shadow: inset 0 0 0 2px var(--color-blue);
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-blue);
  background: rgba(31, 182, 255, 0.12);
  border: 1px solid rgba(31, 182, 255, 0.25);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.page-faq .faq-item__body {
  padding: 0 20px 20px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-slate);
  max-width: 62em;
}

.page-faq .faq-item__body p + p {
  margin-top: 12px;
}

/* ===== 媒体说明卡 ===== */
.page-faq .faq-media-note {
  margin-top: 20px;
  background: var(--faq-panel-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
}

.page-faq .faq-media-note img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
}

.page-faq .faq-media-note__caption {
  margin: 0;
  padding: 14px 20px;
  font-size: 12px;
  color: var(--color-slate);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--color-line);
}

/* ===== 底部更多 ===== */
.page-faq .faq-more {
  background: var(--faq-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--faq-radius-lg);
  padding: 40px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-more::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-green), var(--color-orange));
}

.page-faq .faq-more__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--color-paper);
  margin: 0;
}

.page-faq .faq-more__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.page-faq .faq-more .btn {
  min-width: 160px;
}

/* ===== 平板断点 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: 1fr 1.1fr;
    gap: 40px;
    padding-top: 64px;
  }

  .page-faq .faq-hero__media img {
    height: 260px;
  }

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

/* ===== 桌面断点 ===== */
@media (min-width: 1025px) {
  .page-faq .faq-hero {
    padding-top: 88px;
  }

  .page-faq .faq-hero__media img {
    height: 320px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 240px 1fr;
    gap: 64px;
  }

  .page-faq .faq-index {
    border-right: 1px solid var(--color-line);
    padding-right: 32px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .page-faq .faq-index__list a {
    border-radius: 14px;
    white-space: normal;
    background: transparent;
    border: 1px solid transparent;
    padding: 10px 14px;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: rgba(31, 182, 255, 0.08);
    border-color: var(--color-blue);
  }

  .page-faq .faq-index__cta {
    width: auto;
  }

  .page-faq .faq-section__head .section-title {
    font-size: 32px;
  }

  .page-faq .faq-item summary {
    padding: 20px 24px;
    font-size: 16px;
  }

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

  .page-faq .faq-item__body p {
    font-size: 15px;
  }

  .page-faq .faq-media-note {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }

  .page-faq .faq-media-note img {
    height: 220px;
  }

  .page-faq .faq-media-note__caption {
    border-top: none;
    border-left: 1px solid var(--color-line);
  }
}

/* ===== 无障碍动效缩放 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}