.page-faq {
  --faq-border: rgba(245, 245, 247, 0.16);
  --faq-border-strong: rgba(139, 92, 246, 0.5);
  --faq-border-accent: rgba(198, 255, 0, 0.32);
  background: var(--color-bg);
  color: var(--color-fg);
  position: relative;
  overflow: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---- 背景纹理装饰 ---- */
.page-faq .faq-bg-grid {
  position: absolute;
  top: 160px;
  right: 16px;
  width: 100px;
  height: 100px;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-bg-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- 页面头部 ---- */
.page-faq .faq-hero {
  position: relative;
  z-index: 1;
  padding: 44px 0 28px;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 18px;
  align-items: end;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: 0.2px;
  margin: 14px 0 16px;
  max-width: 760px;
}

.page-faq .faq-hero-desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 245, 247, 0.76);
  max-width: 640px;
  margin: 0;
}

.page-faq .faq-hero-coord {
  display: none;
  gap: 12px;
}

.page-faq .coord-axis {
  display: inline-block;
  padding: 6px 14px;
  font-family: var(--font-accent);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  border: 1px solid var(--faq-border-accent);
}

/* ---- 布局容器 ---- */
.page-faq .faq-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding: 20px var(--gap) 64px;
  max-width: var(--container-w);
  margin: 0 auto;
}

/* ---- 侧栏目录 ---- */
.page-faq .faq-sidebar-inner {
  padding: 18px 16px;
  border: 1px solid var(--faq-border);
  background: rgba(11, 30, 45, 0.55);
  backdrop-filter: blur(10px);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-index-list li {
  flex-shrink: 0;
}

.page-faq .faq-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-pill);
  color: var(--color-fg);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}

.page-faq .faq-index-list a span {
  font-family: var(--font-accent);
  font-size: 12px;
  color: var(--color-accent);
}

.page-faq .faq-index-list a:hover {
  border-color: var(--faq-border-strong);
  color: var(--color-accent);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.18);
}

.page-faq .faq-sidebar-card {
  display: none;
}

/* ---- 内容区 ---- */
.page-faq .faq-content {
  display: grid;
  gap: 32px;
}

/* ---- 章节卡片 ---- */
.page-faq .faq-section {
  position: relative;
  padding: 28px 20px;
  border: 1px solid var(--faq-border);
  background: rgba(245, 245, 247, 0.025);
  transition: box-shadow var(--t-base);
}

.page-faq .faq-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-bright), transparent);
}

.page-faq .faq-section:hover {
  box-shadow: 0 8px 40px rgba(74, 0, 224, 0.08);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}

.page-faq .faq-section-num {
  font-family: var(--font-accent);
  font-size: 36px;
  line-height: 1;
  color: var(--faq-border-strong);
  flex-shrink: 0;
}

@supports (-webkit-text-stroke: 1px var(--faq-border-strong)) {
  .page-faq .faq-section-num {
    color: transparent;
    -webkit-text-stroke: 1px var(--faq-border-strong);
  }
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-title);
  font-size: 22px;
  line-height: 1.2;
  font-weight: 900;
  margin: 0 0 4px;
}

.page-faq .faq-section-head p {
  font-size: 13px;
  color: rgba(136, 136, 136, 0.9);
  margin: 0;
}

/* ---- 快速搜索 ---- */
.page-faq .faq-search-panel {
  padding: 20px;
  border: 1px solid var(--faq-border-accent);
  background: linear-gradient(135deg, rgba(198, 255, 0, 0.05), rgba(245, 245, 247, 0.02));
}

.page-faq .faq-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-box);
  background: rgba(11, 15, 42, 0.75);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-faq .faq-search-input::placeholder {
  color: rgba(136, 136, 136, 0.7);
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--color-primary-bright);
  box-shadow: 0 0 0 3px rgba(74, 0, 224, 0.25);
}

.page-faq .faq-search-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.page-faq .faq-search-tags > span {
  font-size: 13px;
  color: var(--color-gray);
  margin-right: 2px;
}

.page-faq .faq-search-tags a {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-pill);
  color: rgba(245, 245, 247, 0.82);
  font-size: 13px;
  text-decoration: none;
  transition: all var(--t-fast);
}

.page-faq .faq-search-tags a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---- 导航记录对照 ---- */
.page-faq .nav-record-intro {
  margin-bottom: 22px;
}

.page-faq .nav-record-intro p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 245, 247, 0.76);
}

.page-faq .record-table-wrap {
  overflow-x: auto;
  margin: 20px 0 24px;
  border: 1px solid var(--faq-border);
  background: rgba(11, 15, 42, 0.3);
}

.page-faq .record-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .record-table caption {
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  color: var(--color-gray);
  border-bottom: 1px solid var(--faq-border);
  letter-spacing: 0.04em;
}

.page-faq .record-table th {
  background: rgba(74, 0, 224, 0.14);
  color: var(--color-fg);
  text-align: left;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .record-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(245, 245, 247, 0.06);
  color: rgba(245, 245, 247, 0.82);
  line-height: 1.6;
  vertical-align: middle;
}

.page-faq .record-table .status-dot,
.page-faq .record-table .tag-chip {
  margin-right: 6px;
  vertical-align: middle;
}

.page-faq .record-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .record-table tbody tr:hover td {
  background: rgba(139, 92, 246, 0.06);
}

.page-faq .nav-record-steps {
  padding-top: 20px;
  border-top: 1px dashed rgba(245, 245, 247, 0.16);
}

.page-faq .nav-record-steps h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 14px;
}

.page-faq .nav-record-steps ol {
  margin: 0;
  padding-left: 20px;
}

.page-faq .nav-record-steps li {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 245, 247, 0.78);
}

/* ---- 缓存清理指南 ---- */
.page-faq .cache-guide-grid {
  display: grid;
  gap: 24px;
}

.page-faq .cache-guide-subtitle {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 16px;
}

.page-faq .cache-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .cache-step-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed rgba(245, 245, 247, 0.12);
}

.page-faq .cache-step-list li:last-child {
  border-bottom: none;
}

.page-faq .step-marker {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-family: var(--font-accent);
  font-size: 14px;
  color: var(--color-accent);
  background: rgba(74, 0, 224, 0.22);
  border: 1px solid var(--faq-border-strong);
}

.page-faq .step-content h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-fg);
}

.page-faq .step-content p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 245, 247, 0.7);
}

.page-faq .cache-figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--faq-border);
  background: rgba(11, 30, 45, 0.4);
}

.page-faq .cache-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .cache-figure figcaption {
  padding: 12px 4px 2px;
  font-size: 13px;
  color: var(--color-gray);
}

.page-faq .cache-note {
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 3px solid var(--color-wine);
  background: rgba(128, 0, 32, 0.08);
}

.page-faq .cache-note h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-faq .cache-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 245, 247, 0.78);
}

/* ---- 常见问题折叠 ---- */
.page-faq .faq-accordion {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-border);
  background: rgba(245, 245, 247, 0.03);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-item:hover {
  border-color: rgba(139, 92, 246, 0.4);
}

.page-faq .faq-item[open] {
  border-color: rgba(139, 92, 246, 0.35);
  background: rgba(11, 30, 45, 0.5);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-fg);
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-faq .faq-q-icon {
  flex-shrink: 0;
  font-family: var(--font-accent);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary-bright);
}

.page-faq .faq-q-arrow {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 22px;
  line-height: 1;
  color: var(--color-gray);
  transition: transform var(--t-fast), color var(--t-fast);
}

.page-faq .faq-item[open] .faq-q-arrow {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.page-faq .faq-answer {
  padding: 2px 20px 20px 46px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 245, 247, 0.78);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

/* ---- 底部帮助 ---- */
.page-faq .faq-more-help {
  padding: 36px 28px;
  text-align: center;
  border: 1px dashed rgba(139, 92, 246, 0.5);
  background: linear-gradient(135deg, rgba(74, 0, 224, 0.14), rgba(11, 15, 42, 0.7));
}

.page-faq .faq-more-help h2 {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 900;
  margin: 0 0 10px;
}

.page-faq .faq-more-help > p {
  font-size: 14px;
  color: rgba(245, 245, 247, 0.7);
  margin: 0 auto 20px;
  max-width: 460px;
  line-height: 1.6;
}

.page-faq .faq-more-help-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-more-help-note {
  font-size: 13px !important;
  color: var(--color-gray) !important;
  margin-bottom: 0 !important;
}

/* ---- 平板与桌面适配 ---- */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 56px 0 36px;
  }

  .page-faq .faq-hero h1 {
    font-size: 42px;
  }

  .page-faq .faq-hero-coord {
    display: flex;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1fr auto;
  }

  .page-faq .faq-section {
    padding: 34px 32px;
  }

  .page-faq .cache-guide-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-faq .faq-bg-grid {
    right: 40px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px 1fr;
    align-items: start;
    gap: 40px;
    padding-top: 28px;
  }

  .page-faq .faq-sidebar-inner {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 24px 22px;
  }

  .page-faq .faq-index-list {
    display: block;
    margin: 12px 0 22px;
    border-top: 1px solid var(--faq-border);
  }

  .page-faq .faq-index-list li {
    border-bottom: 1px solid var(--faq-border);
  }

  .page-faq .faq-index-list a {
    display: flex;
    padding: 13px 4px;
    border: none;
    border-radius: 0;
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .faq-index-list a:hover {
    box-shadow: none;
    padding-left: 10px;
  }

  .page-faq .faq-index-list a span {
    font-size: 13px;
  }

  .page-faq .faq-sidebar-card {
    display: block;
    padding-top: 18px;
    border-top: 1px solid var(--faq-border);
  }

  .page-faq .faq-sidebar-card p {
    font-size: 13px;
    color: var(--color-gray);
    line-height: 1.5;
    margin: 0 0 12px;
  }
}