/* roulang page: index */
:root {
      --bg-paper: #FBFBFA;
      --bg-warm-gray: #F4F4F0;
      --bg-card: #FFFFFF;
      --text-main: #1E2022;
      --text-muted: #5A6065;
      --text-light: #8C9298;
      --border-subtle: #E8E8E2;
      --border-emphasis: #D8D8CF;
      --brand-amber: #C05621;
      --brand-amber-dark: #9C4221;
      --brand-amber-light: #FEEBC8;
      --highlight-yellow: #FEFCBF;
      --badge-blue: #EBF8FF;
      --badge-blue-text: #2B6CB0;
      --font-serif: 'Noto Serif SC', serif;
      --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 10px 30px rgba(192, 86, 33, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
    }

    /* Reset & Global */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-paper);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.68;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4, h5, .h-serif {
      font-family: var(--font-serif);
      color: var(--text-main);
      font-weight: 700;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--brand-amber);
    }
    .text-amber {
      color: var(--brand-amber) !important;
    }
    .bg-amber {
      background-color: var(--brand-amber) !important;
    }
    .mark-highlight {
      background-color: var(--highlight-yellow);
      padding: 0.15em 0.35em;
      border-radius: 4px;
      box-decoration-break: clone;
      -webkit-box-decoration-break: clone;
    }
    .markdown-prefix::before {
      content: "## ";
      color: var(--brand-amber);
      font-family: monospace;
      font-size: 0.9em;
      margin-right: 4px;
    }

    /* Navbar Customization */
    .custom-header {
      background: rgba(251, 251, 250, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 1.18rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--brand-amber);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-size: 1.1rem;
    }
    .nav-link-custom {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 0.5rem 0.85rem;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--brand-amber);
      background: var(--bg-warm-gray);
    }
    .btn-ghost-nav {
      border: 1px solid var(--border-emphasis);
      background: transparent;
      color: var(--text-main);
      font-size: 0.88rem;
      font-weight: 600;
      padding: 0.45rem 1rem;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }
    .btn-ghost-nav:hover {
      border-color: var(--text-main);
      background: var(--bg-warm-gray);
      color: var(--text-main);
    }
    .btn-amber-nav {
      background: var(--brand-amber);
      border: 1px solid var(--brand-amber);
      color: #fff;
      font-size: 0.88rem;
      font-weight: 600;
      padding: 0.45rem 1.1rem;
      border-radius: var(--radius-sm);
      box-shadow: 0 2px 6px rgba(192, 86, 33, 0.2);
      transition: all 0.2s ease;
    }
    .btn-amber-nav:hover {
      background: var(--brand-amber-dark);
      border-color: var(--brand-amber-dark);
      color: #fff;
      transform: translateY(-1px);
    }

    /* Standard Cards & Paper UI */
    .note-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      padding: 1.5rem;
      height: 100%;
      position: relative;
      transition: all 0.25s ease;
    }
    .note-card:hover {
      border-color: var(--border-emphasis);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .note-card.folded-corner::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 0 20px 20px 0;
      border-color: transparent var(--border-subtle) transparent transparent;
      transition: border-color 0.2s ease;
    }
    .note-card.folded-corner:hover::after {
      border-color: transparent var(--brand-amber-light) transparent transparent;
    }
    .pill-tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 0.76rem;
      font-weight: 600;
      padding: 0.2rem 0.6rem;
      border-radius: 30px;
      background: var(--badge-blue);
      color: var(--badge-blue-text);
      letter-spacing: 0.3px;
    }
    .pill-tag-amber {
      background: var(--brand-amber-light);
      color: var(--brand-amber-dark);
    }
    .section-title-wrap {
      margin-bottom: 2.5rem;
    }
    .section-subhead {
      font-size: 0.94rem;
      color: var(--text-muted);
      max-width: 760px;
      margin-top: 0.6rem;
      line-height: 1.7;
    }

    /* Hero Section with Questionnaire & Diagnosis UI */
    .hero-section {
      padding: 3.8rem 0 4.2rem;
      background: linear-gradient(180deg, var(--bg-paper) 0%, var(--bg-warm-gray) 100%);
      border-bottom: 1px solid var(--border-subtle);
    }
    .hero-h1 {
      font-size: 2.35rem;
      line-height: 1.35;
      margin-bottom: 1.3rem;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.78;
      margin-bottom: 1.8rem;
    }
    .quiz-diagnostic-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-emphasis);
      border-radius: var(--radius-lg);
      padding: 2rem;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .quiz-tab {
      display: flex;
      gap: 8px;
      border-bottom: 1px solid var(--border-subtle);
      padding-bottom: 0.75rem;
      margin-bottom: 1.25rem;
    }
    .quiz-tab-item {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 0.3rem 0.75rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }
    .quiz-tab-item.active {
      color: var(--brand-amber-dark);
      background: var(--brand-amber-light);
    }
    .quiz-option-box {
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-sm);
      padding: 0.75rem 1rem;
      margin-bottom: 0.75rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: all 0.2s ease;
    }
    .quiz-option-box:hover, .quiz-option-box.selected {
      border-color: var(--brand-amber);
      background: #FFFDF9;
    }
    .quiz-result-box {
      background: var(--bg-warm-gray);
      border: 1px dashed var(--border-emphasis);
      border-radius: var(--radius-md);
      padding: 1rem 1.25rem;
      margin-top: 1.2rem;
    }

    /* Painpoints Notebook */
    .painpoint-card {
      border-left: 4px solid #E53E3E;
      background: #FFFFFF;
      padding: 1.3rem;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      border-top: 1px solid var(--border-subtle);
      border-right: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
      height: 100%;
    }

    /* Steps Sequence */
    .step-item {
      position: relative;
      padding-left: 2.2rem;
    }
    .step-num-badge {
      position: absolute;
      left: 0;
      top: 0;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--brand-amber);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.8rem;
    }

    /* Metric Dashboard */
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      text-align: center;
    }
    .metric-value {
      font-family: var(--font-serif);
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--brand-amber);
      line-height: 1.2;
      margin-bottom: 0.35rem;
    }

    /* Testimonials */
    .quote-box {
      font-style: italic;
      color: var(--text-muted);
      position: relative;
      padding-left: 1.2rem;
      border-left: 2px solid var(--brand-amber);
      margin: 1rem 0;
      font-size: 0.92rem;
      line-height: 1.65;
    }

    /* Datatable UI */
    .custom-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      background: #fff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .custom-table th {
      background: var(--bg-warm-gray);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.88rem;
      padding: 1rem 1.2rem;
      border-bottom: 1px solid var(--border-emphasis);
      text-align: left;
    }
    .custom-table td {
      padding: 0.95rem 1.2rem;
      border-bottom: 1px solid var(--border-subtle);
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .custom-table tr:last-child td {
      border-bottom: none;
    }
    .custom-table tr:hover td {
      background-color: #FAFAF7;
    }

    /* FAQ Accordion */
    .faq-accordion .accordion-item {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md) !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .faq-accordion .accordion-button {
      background: #FFFFFF;
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.98rem;
      padding: 1.1rem 1.3rem;
      box-shadow: none;
    }
    .faq-accordion .accordion-button:not(.collapsed) {
      background: #FFFDF9;
      color: var(--brand-amber-dark);
      border-bottom: 1px solid var(--border-subtle);
    }
    .faq-accordion .accordion-body {
      padding: 1.2rem 1.3rem;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.72;
    }

    /* Final CTA */
    .final-cta-card {
      background: #FFFFFF;
      border: 2px solid var(--border-emphasis);
      border-radius: var(--radius-lg);
      padding: 3.5rem 2.5rem;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .final-cta-card::before {
      content: "";
      position: absolute;
      top: -1px;
      left: 10%;
      right: 10%;
      height: 4px;
      background: var(--brand-amber);
      border-radius: 4px;
    }

    /* Footer */
    .custom-footer {
      background: #F4F4F0;
      border-top: 1px solid var(--border-emphasis);
      padding: 3.5rem 0 2rem;
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-heading {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 1rem;
      letter-spacing: 0.2px;
    }
    .footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-list li {
      margin-bottom: 0.6rem;
    }
    .footer-list a {
      color: var(--text-muted);
      transition: color 0.2s ease;
    }
    .footer-list a:hover {
      color: var(--brand-amber);
    }

    /* Responsive adjustments */
    @media (max-width: 991.98px) {
      .hero-h1 {
        font-size: 1.95rem;
      }
      .quiz-diagnostic-panel {
        margin-top: 2rem;
      }
    }
    @media (max-width: 767.98px) {
      .hero-section {
        padding: 2.5rem 0;
      }
      .hero-h1 {
        font-size: 1.65rem;
      }
      .final-cta-card {
        padding: 2rem 1.25rem;
      }
      .custom-table {
        display: block;
        overflow-x: auto;
      }
    }

/* roulang page: category1 */
:root {
      --bg-paper: #FBFBFA;
      --bg-warm-gray: #F4F4F0;
      --bg-card: #FFFFFF;
      --text-main: #1E2022;
      --text-muted: #5A6065;
      --text-light: #8C9298;
      --border-subtle: #E8E8E2;
      --border-emphasis: #D8D8CF;
      --brand-amber: #C05621;
      --brand-amber-dark: #9C4221;
      --brand-amber-light: #FEEBC8;
      --highlight-yellow: #FEFCBF;
      --badge-blue: #EBF8FF;
      --badge-blue-text: #2B6CB0;
      --font-serif: 'Noto Serif SC', serif;
      --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 10px 30px rgba(192, 86, 33, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
    }

    body {
      background-color: var(--bg-paper);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.68;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--brand-amber);
    }

    .text-amber {
      color: var(--brand-amber) !important;
    }

    /* 顶部导航统一样式 */
    .custom-header {
      background: rgba(251, 251, 250, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 1.18rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--brand-amber);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-size: 1.1rem;
    }
    .nav-link-custom {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 0.5rem 0.85rem;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--brand-amber);
      background: var(--bg-warm-gray);
    }
    .btn-ghost-nav {
      border: 1px solid var(--border-emphasis);
      background: transparent;
      color: var(--text-main);
      font-size: 0.88rem;
      font-weight: 600;
      padding: 0.45rem 1rem;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }
    .btn-ghost-nav:hover {
      border-color: var(--text-main);
      background: var(--bg-warm-gray);
      color: var(--text-main);
    }
    .btn-amber-nav {
      background: var(--brand-amber);
      border: 1px solid var(--brand-amber);
      color: #fff;
      font-size: 0.88rem;
      font-weight: 600;
      padding: 0.45rem 1.1rem;
      border-radius: var(--radius-sm);
      box-shadow: 0 2px 6px rgba(192, 86, 33, 0.2);
      transition: all 0.2s ease;
    }
    .btn-amber-nav:hover {
      background: var(--brand-amber-dark);
      border-color: var(--brand-amber-dark);
      color: #fff;
      transform: translateY(-1px);
    }

    /* 视觉标签与高亮标示 */
    .note-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.78rem;
      font-weight: 600;
      padding: 0.2rem 0.65rem;
      border-radius: var(--radius-sm);
      background: var(--bg-warm-gray);
      border: 1px solid var(--border-subtle);
      color: var(--text-muted);
    }
    .note-badge.badge-amber {
      background: var(--brand-amber-light);
      color: var(--brand-amber-dark);
      border-color: rgba(192, 86, 33, 0.25);
    }
    .highlight-mark {
      background: linear-gradient(180deg, transparent 65%, var(--highlight-yellow) 65%);
      padding: 0 3px;
      font-weight: 600;
    }

    /* 板块 1: 紧凑型分类索引 Header */
    .category-header-panel {
      padding: 2.5rem 0 2rem;
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-subtle);
    }
    .category-h1 {
      font-family: var(--font-serif);
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.5rem;
      letter-spacing: -0.3px;
    }
    .category-h1 span.symbol {
      color: var(--brand-amber);
      margin-right: 6px;
    }
    .cat-summary-text {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* 板块 2: 多维分类过滤与筛选工具栏 */
    .filter-toolbar-box {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.25rem 1.5rem;
      margin-top: 1.8rem;
      box-shadow: var(--shadow-sm);
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem;
      padding: 0.45rem 0;
      border-bottom: 1px dashed var(--border-subtle);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      min-width: 75px;
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .filter-chip {
      font-size: 0.82rem;
      padding: 0.22rem 0.75rem;
      border-radius: 20px;
      background: transparent;
      color: var(--text-muted);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.15s ease;
    }
    .filter-chip:hover {
      color: var(--brand-amber);
      background: var(--bg-warm-gray);
    }
    .filter-chip.active {
      background: var(--brand-amber);
      color: #FFFFFF;
      font-weight: 600;
    }

    /* 板块 3: 核心笔记流卡片网格 */
    .movie-note-card {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: var(--shadow-sm);
    }
    .movie-note-card:hover {
      border-color: var(--brand-amber);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .card-thumb-wrap {
      height: 190px;
      position: relative;
      background: #2D3748;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #E2E8F0;
    }
    .card-thumb-pattern {
      position: absolute;
      inset: 0;
      opacity: 0.15;
      background-image: radial-gradient(#FFFFFF 1px, transparent 1px);
      background-size: 16px 16px;
    }
    .card-poster-art {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 1.2rem;
      background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(20,24,33,0.92) 100%);
      z-index: 2;
    }
    .card-meta-float {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 3;
      display: flex;
      gap: 6px;
    }
    .card-quality-tag {
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(4px);
      color: #F6E05E;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 0.15rem 0.5rem;
      border-radius: 4px;
      border: 1px solid rgba(246, 224, 94, 0.4);
    }
    .card-body-content {
      padding: 1.3rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-title-text {
      font-family: var(--font-serif);
      font-size: 1.12rem;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 0.6rem;
      color: var(--text-main);
    }
    .card-spec-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px 10px;
      font-size: 0.8rem;
      color: var(--text-muted);
      background: var(--bg-warm-gray);
      padding: 0.65rem 0.8rem;
      border-radius: var(--radius-sm);
      margin-bottom: 0.85rem;
    }
    .spec-item {
      display: flex;
      align-items: center;
      gap: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .spec-item i {
      color: var(--brand-amber);
      font-size: 0.75rem;
    }
    .card-desc-brief {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1.1rem;
      flex-grow: 1;
    }
    .card-footer-strip {
      padding-top: 0.85rem;
      border-top: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.8rem;
    }

    /* 板块 4: 分页与加载 */
    .pagination-bar {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
      margin-top: 2.8rem;
    }
    .page-btn {
      min-width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-subtle);
      background: #FFFFFF;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      transition: all 0.2s ease;
    }
    .page-btn:hover, .page-btn.active {
      background: var(--brand-amber);
      color: #FFFFFF;
      border-color: var(--brand-amber);
    }
    .btn-load-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 0.65rem 2.2rem;
      border: 1px solid var(--brand-amber);
      background: #FFFFFF;
      color: var(--brand-amber);
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-load-more:hover {
      background: var(--brand-amber);
      color: #FFFFFF;
    }

    /* 板块 5: 精选专题推荐横滑模块 */
    .slider-container {
      overflow-x: auto;
      padding-bottom: 1rem;
      scrollbar-width: thin;
      scrollbar-color: var(--border-emphasis) transparent;
    }
    .slider-container::-webkit-scrollbar {
      height: 6px;
    }
    .slider-container::-webkit-scrollbar-thumb {
      background: var(--border-emphasis);
      border-radius: 10px;
    }
    .curated-card {
      min-width: 320px;
      max-width: 340px;
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.4rem;
      box-shadow: var(--shadow-sm);
      position: relative;
      flex-shrink: 0;
      transition: all 0.2s ease;
    }
    .curated-card:hover {
      border-color: var(--brand-amber);
      transform: translateY(-2px);
    }
    .curated-card-icon {
      width: 44px;
      height: 44px;
      background: var(--brand-amber-light);
      color: var(--brand-amber-dark);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 1rem;
    }

    /* 板块 6: 字幕校对与观影配置技术指南 */
    .tech-guide-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 2rem;
      box-shadow: var(--shadow-sm);
    }
    .code-note-block {
      background: var(--bg-warm-gray);
      border-left: 3px solid var(--brand-amber);
      padding: 1rem 1.2rem;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-family: monospace;
      font-size: 0.85rem;
      color: #2D3748;
      margin: 1rem 0;
      line-height: 1.6;
    }
    .guide-item-title {
      font-family: var(--font-serif);
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 板块 7: 分类专属高频问答 */
    .faq-card {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.4rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .faq-q {
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      margin-bottom: 0.65rem;
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .faq-q-mark {
      color: var(--brand-amber);
      font-weight: 800;
      font-size: 1.1rem;
    }
    .faq-a {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.68;
    }

    /* 页脚统一规范 */
    .custom-footer {
      background: #FFFFFF;
      border-top: 1px solid var(--border-subtle);
      padding: 3.5rem 0 1.8rem;
      margin-top: 4.5rem;
    }
    .footer-heading {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 1rem;
      letter-spacing: 0.2px;
    }
    .footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-list li {
      margin-bottom: 0.55rem;
    }
    .footer-list a {
      color: var(--text-muted);
      font-size: 0.85rem;
      transition: color 0.2s ease;
    }
    .footer-list a:hover {
      color: var(--brand-amber);
    }

    @media (max-width: 768px) {
      .category-h1 {
        font-size: 1.48rem;
      }
      .filter-toolbar-box {
        padding: 1rem;
      }
      .card-thumb-wrap {
        height: 160px;
      }
      .tech-guide-panel {
        padding: 1.25rem;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}