  @import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;700&display=swap');

  :root {
    --moji-green: #eb0f06;
    --moji-green-light: #FDE7E6;
    --moji-green-mid: #F2665F;
    --test-red: #eb0f06;
    --test-red-light: #FDE7E6;
    --read-blue: #c84564;
    --read-blue-light: #FCECF1;
    --kana-green: #26870d;
    --kana-green-light: #E7F8E3;
    --kaiwa-orange: #cb4d03;
    --kaiwa-orange-light: #FFEBE0;
    --kori-indigo: #2a69ce;
    --kori-indigo-light: #E7EFFA;
    --school-red: #eb0f06;
    --school-red-light: #FDE7E6;
    --text-primary: #1a1a1a;
    --text-secondary: #555;
    --text-muted: #999;
    --border: #e8e8e8;
    --bg: #fafaf8;
    --white: #ffffff;
    --sidebar-w: 260px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    font-family: 'Noto Sans SC', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
  }

  /* Sidebar */
  .sidebar {
    width: var(--sidebar-w);
    background: var(--white);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
  }

  .sidebar-logo {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-search-wrap {
    position: relative;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
  }
  .sidebar-search-box svg { flex-shrink: 0; }
  .sidebar-search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
  }
  .sidebar-search-box input::placeholder { color: var(--text-muted); }
  .site-search-results {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: calc(100% - 4px);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    max-height: 360px;
    overflow-y: auto;
    z-index: 500;
  }
  .site-search-results.open { display: block; }
  .search-result-item {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
  }
  .search-result-item:last-child { border-bottom: none; }
  .search-result-item:hover { background: var(--bg); }
  .search-result-product {
    font-size: 10px;
    font-weight: 700;
    margin-bottom: 2px;
  }
  .search-result-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
  }
  .search-result-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
  }
  .search-empty {
    padding: 16px 14px;
    font-size: 12.5px;
    color: var(--text-muted);
    text-align: center;
  }

  /* 全局悬浮搜索按钮 */
  .search-fab {
    position: fixed;
    right: max(22px, calc(22px + env(safe-area-inset-right, 0px)));
    bottom: calc(26px + env(safe-area-inset-bottom, 0px));
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--moji-green);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(0,0,0,0.22);
    cursor: grab;
    z-index: 400;
    transition: transform .15s ease, box-shadow .15s ease;
    touch-action: none;
    user-select: none;
  }
  .search-fab:hover { transform: scale(1.06); }
  .search-fab.dragging {
    cursor: grabbing;
    box-shadow: 0 10px 26px rgba(0,0,0,0.3);
    transition: none;
  }

  /* 独立搜索弹窗 */
  .search-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20,20,20,0.45);
    z-index: 600;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
  }
  .search-modal-overlay.open { display: flex; }
  .search-modal {
    width: 90%;
    max-width: 520px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
  }
  .search-modal-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
  }
  .search-modal-box svg { flex-shrink: 0; }
  .search-modal-box input {
    flex: 1;
    border: none;
    outline: none;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    color: var(--text-primary);
    min-width: 0;
  }
  .search-modal-close {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 14px;
    padding: 4px;
    flex-shrink: 0;
  }
  .search-modal-results {
    overflow-y: auto;
    flex: 1;
  }
  .search-modal-results .search-result-item { padding: 12px 18px; }
  .search-modal-results .search-empty { padding: 24px 18px; }

  @media (max-width: 600px) {
    .search-modal-overlay { padding-top: 8vh; align-items: flex-start; }
    .search-modal { width: 92%; max-width: 100%; border-radius: 14px; max-height: 70vh; }
  }

  .sidebar-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--moji-green);
    text-decoration: none;
    cursor: pointer;
  }
  .sidebar-contact:hover { background: var(--bg); }

  .sidebar-logo .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--moji-green);
    letter-spacing: -0.5px;
  }

  .sidebar-nav { padding: 16px 0; flex: 1; overflow-y: auto; min-height: 0; }

  .nav-section { margin-bottom: 8px; }

  .nav-section-title {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 8px 20px 4px;
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    border-left: 3px solid transparent;
    text-decoration: none;
  }

  .nav-item:hover { background: var(--bg); color: var(--text-primary); }

  .nav-item.active {
    color: var(--moji-green);
    background: var(--moji-green-light);
    border-left-color: var(--moji-green);
    font-weight: 500;
  }

  .nav-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  /* Main content */
  .main {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 0;
  }

  /* Page header */
  .page-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 40px 56px 36px;
  }

  .page-header h1 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
  }

  .page-header .subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 6px;
  }

  .header-meta {
    display: flex;
    gap: 20px;
    margin-top: 16px;
  }

  .meta-tag {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--moji-green-light);
    color: var(--moji-green);
    font-weight: 500;
  }

  /* Product sections */
  .product-section {
    display: none;
    padding: 40px 56px 60px;
  }

  .product-section.active { display: block; }

  /* Overview grid */
  .overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 32px;
  }

  .product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }

  .product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
  }

  .product-card.dict::before { background: var(--moji-green); }
  .product-card.read::before { background: var(--read-blue); }
  .product-card.kana::before { background: var(--kana-green); }
  .product-card.test::before { background: var(--test-red); }
  .product-card.kaiwa::before { background: var(--kaiwa-orange); }
  .product-card.kori::before { background: var(--kori-indigo); }

  .product-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); transform: translateY(-2px); }

  .card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }

  .card-name { font-size: 16px; font-weight: 700; }
  .card-name.dict { color: var(--moji-green); }
  .card-name.read { color: var(--read-blue); }
  .card-name.kana { color: var(--kana-green); }
  .card-name.test { color: var(--test-red); }
  .card-name.kaiwa { color: var(--kaiwa-orange); }
  .card-name.kori { color: var(--kori-indigo); }

  .card-tag {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 20px;
    font-weight: 500;
  }

  .card-tag.dict { background: var(--moji-green-light); color: var(--moji-green); }
  .card-tag.read { background: var(--read-blue-light); color: var(--read-blue); }
  .card-tag.kana { background: var(--kana-green-light); color: var(--kana-green); }
  .card-tag.test { background: var(--test-red-light); color: var(--test-red); }
  .card-tag.kaiwa { background: var(--kaiwa-orange-light); color: var(--kaiwa-orange); }
  .card-tag.kori { background: var(--kori-indigo-light); color: var(--kori-indigo); }

  .card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

  .card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
  }

  .feature-pill {
    font-size: 11px;
    padding: 3px 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-secondary);
  }

  /* Section title */
  .section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-title .app-badge {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
  }

  .section-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 680px;
    margin-bottom: 32px;
  }

  /* Module blocks */
  .module-block {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
  }

  .module-block.jump-pulse {
    animation: jumpPulse 1s ease;
  }
  @keyframes jumpPulse {
    0%   { border-color: var(--moji-green); box-shadow: 0 0 0 3px rgba(235,15,6,0.12); }
    100% { border-color: var(--border); box-shadow: none; }
  }

  mark.text-highlight {
    background: #FFE58A;
    color: inherit;
    padding: 1px 2px;
    border-radius: 3px;
  }

  .module-header {
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
  }

  .module-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
  }

  .module-title { font-size: 15px; font-weight: 600; flex: 1; }
  .module-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 1px; }

  .path-chain {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
  }

  .path-step {
    font-size: 11px;
    background: var(--test-red-light);
    color: var(--test-red);
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 500;
    white-space: nowrap;
  }

  .dict .path-step { background: var(--moji-green-light); color: var(--moji-green); }
  .school .path-step { background: var(--school-red-light); color: var(--school-red); }
  .read .path-step { background: var(--read-blue-light); color: var(--read-blue); }
  .kana .path-step { background: var(--kana-green-light); color: var(--kana-green); }
  .kaiwa .path-step { background: var(--kaiwa-orange-light); color: var(--kaiwa-orange); }

  .path-arrow {
    font-size: 11px;
    color: var(--text-muted);
  }

  .module-body { padding: 20px 24px 24px; }

  .feature-list { list-style: none; }

  .feature-list li {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--bg);
    font-size: 13px;
    line-height: 1.7;
  }

  .feature-list li:last-child { border-bottom: none; }

  .feature-name {
    font-weight: 500;
    color: var(--text-primary);
    min-width: 90px;
    flex-shrink: 0;
  }

  .feature-desc { color: var(--text-secondary); }
  .feature-desc ul { margin: 4px 0 0 0; padding-left: 16px; list-style: disc; }
  .feature-desc ul li { margin-bottom: 4px; line-height: 1.7; }

  /* Scenario section */
  .scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 8px;
  }

  .scenario-card {
    background: var(--bg);
    border-radius: 10px;
    padding: 16px;
    border: 1px solid var(--border);
  }

  .scenario-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    text-transform: uppercase;
  }

  .scenario-steps { list-style: none; }

  .scenario-steps li {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 3px 0;
    display: flex;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.6;
  }

  .scenario-steps li::before {
    content: '→';
    color: var(--text-muted);
    flex-shrink: 0;
    margin-top: 1px;
  }

  /* Divider */
  .content-divider {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 32px 0 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .content-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }

  /* Stats row */
  .stats-row {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
  }

  .stat-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 18px;
    text-align: center;
  }

  .stat-number { font-size: 18px; font-weight: 700; }
  .stat-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

  /* Color theming per app */
  .dict .module-icon { background: var(--moji-green-light); }
  .dict .module-title { color: var(--moji-green); }
  .dict .section-title { color: var(--moji-green); }
  .dict .app-badge { background: var(--moji-green-light); color: var(--moji-green); }
  .dict .stat-number { color: var(--moji-green); }
  .dict .scenario-label { color: var(--moji-green); }
  .school .module-icon { background: var(--school-red-light); }
  .school .module-title { color: var(--school-red); }
  .school .section-title { color: var(--school-red); }
  .school .app-badge { background: var(--school-red-light); color: var(--school-red); }
  .school .stat-number { color: var(--school-red); }
  .school .scenario-label { color: var(--school-red); }

  .read .module-icon { background: var(--read-blue-light); }
  .read .module-title { color: var(--read-blue); }
  .read .section-title { color: var(--read-blue); }
  .read .app-badge { background: var(--read-blue-light); color: var(--read-blue); }
  .read .stat-number { color: var(--read-blue); }
  .read .scenario-label { color: var(--read-blue); }

  .kana .module-icon { background: var(--kana-green-light); }
  .kana .module-title { color: var(--kana-green); }
  .kana .section-title { color: var(--kana-green); }
  .kana .app-badge { background: var(--kana-green-light); color: var(--kana-green); }
  .kana .stat-number { color: var(--kana-green); }
  .kana .scenario-label { color: var(--kana-green); }

  .test .module-icon { background: var(--test-red-light); }
  .test .module-title { color: var(--test-red); }
  .test .section-title { color: var(--test-red); }
  .test .app-badge { background: var(--test-red-light); color: var(--test-red); }
  .test .stat-number { color: var(--test-red); }
  .test .scenario-label { color: var(--test-red); }

  .kaiwa .module-icon { background: var(--kaiwa-orange-light); }
  .kaiwa .module-title { color: var(--kaiwa-orange); }
  .kaiwa .section-title { color: var(--kaiwa-orange); }
  .kaiwa .app-badge { background: var(--kaiwa-orange-light); color: var(--kaiwa-orange); }
  .kaiwa .stat-number { color: var(--kaiwa-orange); }
  .kaiwa .scenario-label { color: var(--kaiwa-orange); }

  .kori .module-icon { background: var(--kori-indigo-light); }
  .kori .module-title { color: var(--kori-indigo); }
  .kori .section-title { color: var(--kori-indigo); }
  .kori .app-badge { background: var(--kori-indigo-light); color: var(--kori-indigo); }
  .kori .stat-number { color: var(--kori-indigo); }
  .kori .scenario-label { color: var(--kori-indigo); }

  /* Update notice */
  .update-notice {
    font-size: 11px;
    color: var(--text-muted);
    padding: 10px 20px 14px;
    text-align: center;
  }

  @media print {
    .sidebar { display: none; }
    .main { margin-left: 0; }
    .product-section { display: block !important; }
  }

  .nav-parent { cursor:pointer; display:flex; align-items:center; }
  .nav-arrow { font-size:10px; color:var(--text-muted); margin-left:4px; transition:transform 0.2s; }
  .nav-arrow.open { transform:rotate(90deg); }
  .nav-children { display:none; }
  .nav-children.open { display:block; }
  .nav-sub { display:block; padding:5px 16px 5px 28px; font-size:12px; color:var(--text-secondary); cursor:pointer; text-decoration:none; }
  .nav-sub:hover { color:var(--moji-green); background:var(--moji-green-light); }
  .nav-sub2 { padding-left:40px; font-size:12px; color:var(--text-muted); }
  .nav-sub3 { padding-left:56px; font-size:11.5px; color:#a8a8a8; }
  .nav-sub4 { padding-left:72px; font-size:11px; color:#c0c0c0; }
  .section-block { scroll-margin-top:24px; }

  .sidebar-toggle {
    position: fixed;
    top: 50%;
    left: 260px;
    transform: translateY(-50%);
    z-index: 200;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0 6px 6px 0;
    width: 20px;
    height: 48px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: left 0.25s;
    box-shadow: 2px 0 6px rgba(0,0,0,0.08);
    padding: 0;
  }
  .sidebar-toggle:hover { color: var(--moji-green); }
  .sidebar { transition: width 0.25s; overflow-x: hidden; overflow-y: auto; }
  .sidebar.collapsed { width: 0 !important; min-width: 0 !important; }
  .sidebar-toggle.collapsed { left: 0; }

  /* ============================================
     截图缩略图 + 弹窗（v28新增 · v28.4 图下方横排）
     ============================================ */

  /* 模块块：图改到文字下方，块级布局，互不影响 */
  .module-block.has-thumbs {
    display: block;
  }
  .module-block.has-thumbs > .module-content {
    /* 包裹 header + body，正常块级布局 */
  }
  .module-block.has-thumbs > .module-thumbs {
    display: flex;
    flex-direction: row;
    gap: 12px;
    padding: 4px 24px 20px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    /* 右侧渐变蒙层：内容溢出时提示"还有更多" */
    -webkit-mask-image: linear-gradient(to right, black calc(100% - 28px), transparent);
    mask-image: linear-gradient(to right, black calc(100% - 28px), transparent);
  }
  .module-block.has-thumbs > .module-thumbs::-webkit-scrollbar {
    height: 6px;
  }
  .module-block.has-thumbs > .module-thumbs::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
  }

  /* 缩略图样式 */
  .thumb {
    width: 110px;
    height: auto;
    flex-shrink: 0;
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: zoom-in;
    transition: all 0.2s;
    background: var(--white);
    display: block;
  }
  .thumb:hover {
    transform: scale(1.04);
    border-color: var(--moji-green);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
  }

  /* 移动端进一步缩小 */
  @media (max-width: 600px) {
    .module-block.has-thumbs > .module-thumbs {
      padding: 4px 16px 16px;
    }
    .thumb {
      width: 90px;
    }
  }

  /* 弹窗遮罩 */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    padding: 32px;
  }
  .modal-overlay.active {
    display: flex;
  }
  .modal-image {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  }
  .modal-close {
    position: fixed;
    top: 24px;
    right: 32px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
  }
  .modal-close:hover {
    background: rgba(255,255,255,0.25);
  }

  /* ============================================
     移动端响应式适配（≤768px）
     ============================================ */
  @media (max-width: 768px) {
    /* 隐藏桌面端折叠按钮 */
    .sidebar-toggle { display: none; }

    /* sidebar 变为全屏抽屉，默认隐藏 */
    .sidebar {
      position: fixed;
      top: 0; left: 0;
      width: 85vw !important;
      max-width: 340px;
      height: 100vh;
      z-index: 300;
      transform: translateX(-100%);
      transition: transform 0.25s ease;
      box-shadow: 4px 0 20px rgba(0,0,0,0.15);
    }
    .sidebar .sidebar-logo { padding: 16px 20px 14px; }
    .sidebar.mobile-open {
      transform: translateX(0);
    }

    /* 遮罩层 */
    .sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.4);
      z-index: 299;
    }
    .sidebar-overlay.active { display: block; }

    /* 移动端顶部 header */
    .mobile-header {
      display: flex !important;
      align-items: center;
      gap: 12px;
      position: sticky;
      top: 0;
      z-index: 200;
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 12px 16px;
      height: 52px;
    }
    .mobile-hamburger {
      width: 36px;
      height: 36px;
      border: none;
      background: none;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      padding: 4px;
      flex-shrink: 0;
    }
    .mobile-hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
    }
    .mobile-header-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
    }

    /* 主内容区全宽，防止横向溢出 */
    body { flex-direction: column; overflow-x: hidden; }
    .main {
      margin-left: 0 !important;
      width: 100%;
      overflow-x: hidden;
    }

    /* page-header */
    .page-header {
      padding: 16px 16px 14px;
    }
    .page-header h1 { font-size: 20px; }
    .page-header p { font-size: 13px; }

    /* 覆盖桌面端 56px 左右 padding，移动端改用16px留白，而非完全清零 */
    .product-section {
      padding: 0 16px 40px !important;
    }

    /* content-divider */
    .content-divider {
      margin: 20px 12px 0;
      font-size: 13px;
    }

    /* 卡片 */
    .module-block {
      margin: 8px 12px;
      border-radius: 10px;
      overflow: hidden;
    }

    .module-header {
      padding: 14px 14px 12px;
      align-items: flex-start;
    }
    .module-title { font-size: 14px; }
    .module-subtitle { font-size: 11px; }

    .path-chain { flex-wrap: wrap; gap: 3px; margin-top: 5px; }
    .path-step { font-size: 10px; white-space: normal; }

    .module-body { padding: 6px 14px 14px; }

    /* 核心修复：feature-list 改竖向堆叠，解决横向溢出 */
    .feature-list li {
      display: block;
      padding: 8px 0;
      font-size: 13px;
    }
    .feature-name {
      display: block;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 3px;
      min-width: unset;
    }
    .feature-desc {
      display: block;
      font-size: 12.5px;
      line-height: 1.65;
      color: var(--text-secondary);
      word-break: break-all;
    }

    /* 缩略图 */
    .module-thumbs { padding: 4px 14px 14px; }
    .thumb { width: 80px !important; }

    /* scenario-grid 单列 */
    .scenario-grid {
      grid-template-columns: 1fr !important;
      gap: 10px !important;
      padding: 12px !important;
    }
  }

  /* 桌面端隐藏移动端元素 */
  .mobile-header { display: none; }
  .sidebar-overlay { display: none; }
