.page-faq {
  background-color: var(--page-bg);
  background-image: radial-gradient(circle at 1px 1px, rgba(62, 42, 30, 0.05) 1px, transparent 0);
  background-size: 22px 22px;
}

/* ========== Hero ========== */
.page-faq .faq-hero {
  background-color: var(--section-brown);
  background-image:
    linear-gradient(135deg, rgba(212, 197, 176, 0.08) 25%, transparent 25%),
    linear-gradient(225deg, rgba(212, 197, 176, 0.08) 25%, transparent 25%);
  background-size: 32px 32px;
  color: var(--card-bg);
  padding: 36px 0 44px;
  border-bottom: 4px solid var(--accent-orange);
  position: relative;
  overflow: hidden;
}
.page-faq .faq-hero-rail {
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(250, 243, 224, 0.18);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-hero-rail::before,
.page-faq .faq-hero-rail::after {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(250, 243, 224, 0.12);
  border-radius: 50%;
}
.page-faq .faq-hero-rail::after {
  inset: 56px;
}
.page-faq .faq-hero-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .breadcrumb {
  color: rgba(250, 243, 224, 0.72);
  font-size: 13px;
}
.page-faq .faq-hero .breadcrumb a {
  color: rgba(250, 243, 224, 0.85);
  text-decoration: none;
  transition: color 0.2s;
}
.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--status-new);
}
.page-faq .faq-hero h1 {
  margin: 18px 0 12px;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.3;
  color: var(--card-bg);
  max-width: 760px;
}
.page-faq .faq-hero .page-lede {
  color: rgba(250, 243, 224, 0.85);
  font-size: 15px;
  line-height: 1.7;
  max-width: 760px;
  margin: 0;
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.page-faq .faq-meta-chip {
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--card-bg);
  background: rgba(250, 243, 224, 0.14);
  border: 1px solid rgba(250, 243, 224, 0.25);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ========== 主布局 ========== */
.page-faq .faq-layout {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 24px 16px 56px;
}

/* ========== 侧边目录 ========== */
.page-faq .faq-sidebar {
  margin-bottom: 14px;
}
.page-faq .faq-sidebar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.page-faq .faq-sidebar-head .coord-label {
  font-size: 11px;
  letter-spacing: 0.12em;
}
.page-faq .faq-sidebar-head span:last-child {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.page-faq .faq-sidebar-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-sidebar-nav a {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--card-bg);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.page-faq .faq-sidebar-nav a:hover,
.page-faq .faq-sidebar-nav a:focus {
  background: var(--accent-green);
  color: #fff;
  border-color: var(--accent-green);
}
.page-faq .faq-sidebar-footer {
  display: none;
}

/* ========== 内容列 ========== */
.page-faq .faq-content {
  display: grid;
  gap: 24px;
}

/* ========== 统一分区 ========== */
.page-faq .faq-section {
  border-radius: 16px;
  padding: 28px 20px;
  scroll-margin-top: 120px;
}
.page-faq .faq-section--paper {
  background-color: var(--card-bg);
  background-image:
    linear-gradient(rgba(62, 42, 30, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 42, 30, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--border);
}
.page-faq .faq-section--darkred {
  background-color: var(--section-red);
  background-image:
    linear-gradient(rgba(250, 243, 224, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 243, 224, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--card-bg);
}
.page-faq .faq-section--darkred .section-head h2,
.page-faq .faq-section--darkred .section-meta {
  color: var(--card-bg);
}
.page-faq .faq-section--darkred .section-head {
  border-bottom-color: rgba(250, 243, 224, 0.25);
}
.page-faq .faq-mainland {
  background-color: var(--page-bg);
  border: 1px solid var(--border);
}

/* ========== 快速上手 ========== */
.page-faq .quick-grid {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}
.page-faq .quick-steps {
  display: grid;
  gap: 10px;
}
.page-faq .quick-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid transparent;
  box-shadow: 0 2px 8px rgba(62, 42, 30, 0.06);
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.page-faq .quick-step:hover,
.page-faq .quick-step:focus {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(62, 42, 30, 0.12);
  border-color: var(--accent-green);
}
.page-faq .quick-step-num {
  font-family: var(--mono-font);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-orange);
  background: rgba(231, 111, 81, 0.12);
  border-radius: 8px;
  padding: 6px 8px;
  flex-shrink: 0;
  line-height: 1;
}
.page-faq .quick-step-text {
  display: grid;
  gap: 4px;
}
.page-faq .quick-step-text strong {
  font-size: 15px;
}
.page-faq .quick-step-text small {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.page-faq .quick-figure {
  margin: 0;
  align-self: center;
  justify-self: center;
}
.page-faq .quick-figure img {
  width: 300px;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(62, 42, 30, 0.1);
  display: block;
}
.page-faq .quick-figure figcaption {
  max-width: 300px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--mono-font);
  text-align: center;
}

/* ========== 大陆版导航 ========== */
.page-faq .nav-guide-grid {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}
.page-faq .nav-guide-intro p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  margin: 0;
}
.page-faq .nav-figure {
  align-self: center;
  justify-self: center;
  width: 100%;
  max-width: 320px;
}
.page-faq .mock-browser {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(62, 42, 30, 0.12);
}
.page-faq .mock-browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  background: #efe7da;
  border-bottom: 1px solid var(--border);
}
.page-faq .mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.page-faq .mock-dot--red {
  background: var(--status-hot);
}
.page-faq .mock-dot--yellow {
  background: var(--status-new);
}
.page-faq .mock-dot--green {
  background: var(--status-complete);
}
.page-faq .mock-url {
  margin-left: 6px;
  font-family: var(--mono-font);
  font-size: 11px;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  flex: 1;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-faq .mock-browser-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  background-image: radial-gradient(circle at 1px 1px, rgba(62, 42, 30, 0.05) 1px, transparent 0);
  background-size: 12px 12px;
}
.page-faq .mock-block {
  border-radius: 6px;
  min-height: 40px;
}
.page-faq .mock-block--brown {
  background: var(--section-brown);
}
.page-faq .mock-block--red {
  background: var(--section-red);
}
.page-faq .mock-block--card {
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.page-faq .nav-panels {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.page-faq .nav-panels .panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.page-faq .nav-panels .panel:hover {
  border-color: var(--accent-orange);
}
.page-faq .nav-panels .panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary);
}
.page-faq .nav-panels .panel-body {
  display: none;
  padding: 0 16px 16px;
}
.page-faq .nav-panels .panel[data-open] .panel-body {
  display: block;
}
.page-faq .nav-panels .panel-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ========== 编号与指示器 ========== */
.page-faq .panel-no,
.page-faq .faq-qnum {
  font-family: var(--mono-font);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-green);
  background: rgba(45, 106, 79, 0.1);
  border-radius: 6px;
  padding: 4px 8px;
  flex-shrink: 0;
  line-height: 1;
}
.page-faq .panel-indicator {
  margin-left: auto;
  font-family: var(--mono-font);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  color: var(--accent-orange);
  transition: transform 0.2s ease;
}
.page-faq .panel[data-open] .panel-indicator {
  transform: rotate(45deg);
}

/* ========== 手机与平板 ========== */
.page-faq .device-lede {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(250, 243, 224, 0.92);
  max-width: 720px;
}
.page-faq .device-grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}
.page-faq .device-card {
  background: rgba(250, 243, 224, 0.1);
  border: 1px solid rgba(250, 243, 224, 0.25);
  border-radius: 14px;
  padding: 18px;
}
.page-faq .device-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.page-faq .device-kind {
  font-size: 18px;
  font-weight: 700;
  color: var(--card-bg);
}
.page-faq .device-flag {
  font-family: var(--mono-font);
  font-size: 11px;
  color: rgba(250, 243, 224, 0.85);
  background: rgba(250, 243, 224, 0.14);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}
.page-faq .device-tips {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .device-tips li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(250, 243, 224, 0.92);
}
.page-faq .device-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--accent-orange);
  border-radius: 2px;
}
.page-faq .device-figure {
  margin: 20px 0 0;
}
.page-faq .device-figure img {
  width: 600px;
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(250, 243, 224, 0.3);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
  display: block;
}
.page-faq .device-figure figcaption {
  margin-top: 8px;
  font-family: var(--mono-font);
  font-size: 12px;
  color: rgba(250, 243, 224, 0.72);
}

/* ========== 检索与筛选 ========== */
.page-faq .filter-table-wrap {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .filter-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 620px;
}
.page-faq .filter-table th {
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--mono-font);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.page-faq .filter-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(212, 197, 176, 0.6);
  color: var(--text-primary);
  line-height: 1.6;
}
.page-faq .filter-table td:first-child {
  font-weight: 600;
  color: var(--accent-green);
  white-space: nowrap;
}
.page-faq .filter-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-faq .filter-table tbody tr:hover td {
  background: rgba(45, 106, 79, 0.04);
}

/* ========== FAQ 折叠区 ========== */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.page-faq .faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.page-faq .faq-item:hover {
  border-color: var(--accent-orange);
}
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  transition: background 0.2s;
}
.page-faq .faq-question:hover {
  background: rgba(45, 106, 79, 0.05);
}
.page-faq .faq-question strong {
  font-weight: 600;
}
.page-faq .faq-body {
  display: none;
  padding: 0 16px 16px;
  border-top: 1px dashed var(--border);
  margin-top: 0;
}
.page-faq .faq-item[data-open] .faq-body {
  display: block;
}
.page-faq .faq-body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ========== 桌面端 ========== */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
    padding: 40px 32px 72px;
  }
  .page-faq .faq-sidebar {
    margin: 0;
  }
  .page-faq .faq-sidebar-inner {
    position: sticky;
    top: 120px;
    display: grid;
    gap: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(62, 42, 30, 0.06);
  }
  .page-faq .faq-sidebar-head {
    display: grid;
    gap: 6px;
    margin: 0;
  }
  .page-faq .faq-sidebar-head .coord-label {
    font-size: 10px;
  }
  .page-faq .faq-sidebar-head span:last-child {
    font-size: 16px;
  }
  .page-faq .faq-sidebar-nav {
    display: grid;
    gap: 6px;
    overflow: visible;
    padding: 0;
  }
  .page-faq .faq-sidebar-nav a {
    border: 0;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    background: transparent;
    color: var(--text-primary);
    border-left: 3px solid transparent;
    white-space: normal;
  }
  .page-faq .faq-sidebar-nav a:hover,
  .page-faq .faq-sidebar-nav a:focus {
    background: rgba(45, 106, 79, 0.08);
    color: var(--accent-green);
    border-left-color: var(--accent-green);
  }
  .page-faq .faq-sidebar-footer {
    display: grid;
    gap: 8px;
    border-top: 1px solid var(--border);
    padding-top: 14px;
  }
  .page-faq .faq-sidebar-footer span {
    font-size: 12px;
    color: var(--text-secondary);
  }
  .page-faq .faq-sidebar-footer .btn {
    justify-self: start;
  }
  .page-faq .faq-content {
    gap: 32px;
  }
  .page-faq .faq-section {
    padding: 36px 32px;
  }
  .page-faq .quick-grid {
    grid-template-columns: 1fr 300px;
    gap: 32px;
  }
  .page-faq .nav-guide-grid {
    grid-template-columns: 1fr 320px;
    gap: 32px;
  }
  .page-faq .device-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-body {
    padding-left: 52px;
  }
  .page-faq .faq-body p {
    margin-top: 0;
    padding-top: 14px;
  }
}