/* roulang page: index */
:root {
      --primary: #0b1f3a;
      --primary-light: #163259;
      --accent: #c59b27;
      --accent-hover: #b0871d;
      --accent-soft: rgba(197, 155, 39, 0.12);
      --dark: #0a1118;
      --text-main: #1f2937;
      --text-muted: #5b677a;
      --bg-white: #ffffff;
      --bg-light: #f7f9fc;
      --bg-card: #ffffff;
      --border-color: #e5eaf2;
      --shadow-sm: 0 4px 12px rgba(11, 31, 58, 0.04);
      --shadow-md: 0 10px 24px rgba(11, 31, 58, 0.08);
      --shadow-lg: 0 18px 40px rgba(11, 31, 58, 0.12);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 16px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; padding: 0; margin: 0; }

    /* 全屏抽屉导航与顶栏 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 76px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      z-index: 999;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--primary);
    }
    .brand-logo i {
      color: var(--accent);
      font-size: 24px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .btn-quote {
      background: var(--primary);
      color: #fff;
      padding: 9px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid var(--primary);
    }
    .btn-quote:hover {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }
    .drawer-toggle {
      background: transparent;
      border: none;
      font-size: 20px;
      cursor: pointer;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
    }
    .drawer-toggle:hover {
      background: var(--bg-light);
    }

    /* 侧滑抽屉覆盖层 */
    .nav-drawer {
      position: fixed;
      top: 0;
      right: -100%;
      width: 100%;
      max-width: 440px;
      height: 100vh;
      background: var(--primary);
      color: #fff;
      z-index: 1000;
      transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: -10px 0 40px rgba(0, 0, 0, 0.25);
      padding: 40px 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .nav-drawer.active {
      right: 0;
    }
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(10, 17, 24, 0.65);
      z-index: 999;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .drawer-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding-bottom: 24px;
    }
    .drawer-close {
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }
    .drawer-menu {
      margin-top: 40px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .drawer-menu a {
      font-size: 20px;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.85);
      padding: 10px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .drawer-menu a:hover, .drawer-menu a.active {
      color: var(--accent);
      padding-left: 8px;
    }
    .drawer-footer {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
    }

    /* 布局与通用组件 */
    .app-main {
      padding-top: 76px;
    }
    .sec-wrap {
      padding: 90px 0;
      position: relative;
    }
    .sec-light {
      background-color: var(--bg-light);
    }
    .sec-white {
      background-color: var(--bg-white);
    }
    .sec-dark {
      background-color: var(--primary);
      color: #ffffff;
    }
    .sec-header {
      margin-bottom: 50px;
    }
    .sec-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent);
      background: var(--accent-soft);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
    }
    .sec-dark .sec-tag {
      background: rgba(197, 155, 39, 0.2);
    }
    .sec-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .sec-dark .sec-title {
      color: #ffffff;
    }
    .sec-desc {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 680px;
      line-height: 1.7;
    }
    .sec-dark .sec-desc {
      color: rgba(255, 255, 255, 0.7);
    }

    /* 杂志分栏 Hero 首屏 */
    .hero-magazine {
      padding: 80px 0 100px;
      background: linear-gradient(135deg, #fcfdfe 0%, #edf2f9 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .hero-lead-col {
      padding-right: 40px;
    }
    .hero-title {
      font-size: 46px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 24px;
    }
    .hero-paragraph {
      font-size: 16px;
      line-height: 1.85;
      color: var(--text-muted);
      margin-bottom: 36px;
    }
    .hero-stats-row {
      display: flex;
      gap: 32px;
      border-top: 1px solid var(--border-color);
      padding-top: 28px;
    }
    .h-stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
    }
    .h-stat-lbl {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .magazine-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      padding: 32px;
    }
    .card-badge-line {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .edition-tag {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      background: var(--primary);
      color: #fff;
      border-radius: 2px;
    }
    .mag-feature-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 14px;
      line-height: 1.4;
    }
    .mag-item-list {
      margin: 20px 0 28px;
    }
    .mag-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border-color);
    }
    .mag-item:last-child { border-bottom: none; }
    .mag-item-icon {
      color: var(--accent);
      margin-top: 4px;
      font-size: 14px;
    }
    .mag-item-text {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 1: 指标看板 (Metric Dashboard) */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-box {
      background: #fff;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      border-left: 4px solid var(--primary);
      transition: var(--transition);
    }
    .metric-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
      border-left-color: var(--accent);
    }
    .metric-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
      font-family: inherit;
    }
    .metric-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .metric-sub {
      font-size: 12.5px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 2: 服务矩阵 (Service Matrix) */
    .matrix-card {
      background: #fff;
      padding: 32px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      height: 100%;
      transition: var(--transition);
      position: relative;
    }
    .matrix-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-5px);
      border-color: #cbd5e1;
    }
    .matrix-icon {
      width: 52px;
      height: 52px;
      background: var(--bg-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 22px;
      margin-bottom: 22px;
      border: 1px solid var(--border-color);
    }
    .matrix-card h4 {
      font-size: 19px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .matrix-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .matrix-points {
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .matrix-point-item {
      font-size: 12.5px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 板块 3: 结果对比 (Before / After Comparison) */
    .compare-container {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-row {
      display: grid;
      grid-template-columns: 2fr 3fr 3fr;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-row:last-child { border-bottom: none; }
    .compare-cell {
      padding: 22px 26px;
      font-size: 14px;
      display: flex;
      align-items: center;
    }
    .compare-head {
      background: var(--bg-light);
      font-weight: 700;
      color: var(--primary);
    }
    .compare-param {
      font-weight: 600;
      color: var(--text-main);
      background: #fdfdfe;
      border-right: 1px solid var(--border-color);
    }
    .compare-traditional {
      color: #718096;
      border-right: 1px solid var(--border-color);
      line-height: 1.5;
    }
    .compare-hualin {
      color: var(--primary);
      font-weight: 600;
      background: rgba(197, 155, 39, 0.04);
      line-height: 1.5;
    }

    /* 板块 4: 发展里程碑 (Milestones) */
    .timeline-track {
      position: relative;
      padding: 20px 0;
    }
    .timeline-track::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--border-color);
      transform: translateX(-50%);
    }
    .timeline-block {
      margin-bottom: 40px;
      position: relative;
      width: 50%;
    }
    .timeline-block:nth-child(odd) {
      left: 0;
      padding-right: 48px;
      text-align: right;
    }
    .timeline-block:nth-child(even) {
      left: 50%;
      padding-left: 48px;
      text-align: left;
    }
    .timeline-dot {
      position: absolute;
      top: 10px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--accent);
      border: 3px solid #fff;
      box-shadow: 0 0 0 2px var(--accent);
    }
    .timeline-block:nth-child(odd) .timeline-dot { right: -7px; }
    .timeline-block:nth-child(even) .timeline-dot { left: -7px; }
    .timeline-date {
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 6px;
    }
    .timeline-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .timeline-body {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 5: 资讯与洞察 (News & Insights) */
    .news-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }
    .news-meta {
      padding: 24px 24px 12px;
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--text-muted);
    }
    .news-tag {
      background: var(--bg-light);
      color: var(--primary);
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 2px;
    }
    .news-body {
      padding: 0 24px 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-body h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .news-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 6: 平台安全保障体系 (Platform Security) */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 30px;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }
    .guarantee-item:hover {
      background: rgba(255, 255, 255, 0.09);
    }
    .guarantee-icon {
      font-size: 26px;
      color: var(--accent);
      margin-bottom: 16px;
    }
    .guarantee-item h4 {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }
    .guarantee-item p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.6;
    }

    /* 板块 7: 话题标签云 (Topic Cloud) */
    .tag-cloud-wrapper {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px;
      text-align: center;
    }
    .tag-pill-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 20px;
    }
    .tag-pill {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 13.5px;
      color: var(--primary);
      font-weight: 500;
      transition: var(--transition);
    }
    .tag-pill:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    /* 板块 8: 解决方案选型表 (Model Selection) */
    .tier-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      height: 100%;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .tier-card.highlight {
      border: 2px solid var(--accent);
      box-shadow: var(--shadow-md);
    }
    .badge-pop {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 12px;
      text-transform: uppercase;
    }
    .tier-header {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 24px;
    }
    .tier-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .tier-desc {
      font-size: 13px;
      color: var(--text-muted);
    }
    .tier-features {
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 28px;
    }
    .tier-feat-item {
      font-size: 13.5px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .tier-feat-item i {
      color: #10b981;
      font-size: 13px;
    }

    /* 板块 9: 快速解答与常见问题 (Quick FAQ) */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #cbd5e1;
    }
    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .faq-q i {
      color: var(--accent);
      font-size: 15px;
    }
    .faq-a {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 27px;
    }

    /* 板块 10: 转化线索表单 (Conversion Form) */
    .consult-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      padding: 44px;
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 6px;
      display: block;
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      height: 44px;
      padding: 0 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #fdfdfe;
      outline: none;
      transition: var(--transition);
    }
    .form-textarea {
      height: 96px;
      padding: 12px 16px;
      resize: vertical;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--accent);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(197, 155, 39, 0.15);
    }
    .btn-submit {
      width: 100%;
      height: 48px;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      font-size: 15px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--accent);
      color: #fff;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13.5px;
    }
    .footer-col-title {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.65);
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12.5px;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .metric-grid { grid-template-columns: repeat(2, 1fr); }
      .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-title { font-size: 38px; }
    }
    @media (max-width: 768px) {
      .hero-magazine { padding: 50px 0 60px; }
      .hero-lead-col { padding-right: 0; margin-bottom: 40px; }
      .metric-grid { grid-template-columns: 1fr; }
      .timeline-track::before { left: 24px; }
      .timeline-block { width: 100%; text-align: left !important; padding-left: 56px !important; padding-right: 0 !important; }
      .timeline-block:nth-child(even) { left: 0; }
      .timeline-dot { left: 17px !important; right: auto !important; }
      .compare-row { grid-template-columns: 1fr; }
      .guarantee-grid { grid-template-columns: 1fr; }
      .consult-card { padding: 28px 20px; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }

/* roulang page: category1 */
:root {
      --primary: #0b1f3a;
      --primary-light: #163259;
      --accent: #c59b27;
      --accent-hover: #b0871d;
      --accent-soft: rgba(197, 155, 39, 0.12);
      --dark: #0a1118;
      --text-main: #1f2937;
      --text-muted: #5b677a;
      --bg-white: #ffffff;
      --bg-light: #f7f9fc;
      --bg-card: #ffffff;
      --border-color: #e5eaf2;
      --shadow-sm: 0 4px 12px rgba(11, 31, 58, 0.04);
      --shadow-md: 0 10px 24px rgba(11, 31, 58, 0.08);
      --shadow-lg: 0 18px 40px rgba(11, 31, 58, 0.12);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 16px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.65;
      font-size: 15px;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 76px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      z-index: 999;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--primary);
    }
    .brand-logo i { color: var(--accent); font-size: 24px; }
    .nav-actions { display: flex; align-items: center; gap: 20px; }
    .btn-quote {
      background: var(--primary);
      color: #fff;
      padding: 9px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid var(--primary);
    }
    .btn-quote:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
    .drawer-toggle {
      background: transparent;
      border: none;
      font-size: 20px;
      cursor: pointer;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
    }
    .drawer-toggle:hover { background: var(--bg-light); }

    .nav-drawer {
      position: fixed;
      top: 0;
      right: -100%;
      width: 100%;
      max-width: 440px;
      height: 100vh;
      background: var(--primary);
      color: #fff;
      z-index: 1000;
      transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: -10px 0 40px rgba(0, 0, 0, 0.25);
      padding: 40px 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .nav-drawer.active { right: 0; }
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(10, 17, 24, 0.65);
      z-index: 999;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .drawer-overlay.active { opacity: 1; pointer-events: auto; }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding-bottom: 24px;
    }
    .drawer-close { background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }
    .drawer-menu { margin-top: 40px; display: flex; flex-direction: column; gap: 20px; }
    .drawer-menu a {
      font-size: 20px;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.85);
      padding: 10px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .drawer-menu a:hover, .drawer-menu a.active { color: var(--accent); padding-left: 8px; }
    .drawer-footer {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
    }

    .app-main { padding-top: 76px; }
    .sec-header { margin-bottom: 44px; }
    .sec-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent);
      background: var(--accent-soft);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
    }
    .sec-title { font-size: 32px; font-weight: 700; color: var(--primary); line-height: 1.3; margin-bottom: 14px; }
    .sec-desc { font-size: 15px; color: var(--text-muted); line-height: 1.8; max-width: 680px; }

    .page-hero {
      background: linear-gradient(135deg, #0b1f3a 0%, #163259 100%);
      color: #fff;
      padding: 85px 0 95px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
    }
    .page-hero-title { font-size: 40px; font-weight: 800; line-height: 1.25; margin-bottom: 20px; }
    .page-hero-lead { font-size: 16px; color: rgba(255, 255, 255, 0.78); line-height: 1.8; margin-bottom: 30px; }
    .whitepaper-board {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    }
    .wp-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
    }

    .kpi-metric-strip {
      background: #ffffff;
      padding: 40px 0;
      border-bottom: 1px solid var(--border-color);
      margin-top: -30px;
      position: relative;
      z-index: 20;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .kpi-num { font-size: 34px; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 8px; }
    .kpi-lbl { font-size: 13px; color: var(--text-muted); }

    .matrix-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .matrix-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--accent); }
    .matrix-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--bg-light);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 16px;
    }
    .matrix-head { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
    .matrix-list { list-style: none; margin: 0 0 20px; padding: 0; }
    .matrix-list li {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .matrix-list li i { color: var(--accent); font-size: 12px; }

    .table-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .custom-table { width: 100%; border-collapse: collapse; margin: 0; }
    .custom-table th {
      background: var(--bg-light);
      padding: 16px 20px;
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      text-align: left;
      border-bottom: 1px solid var(--border-color);
    }
    .custom-table td {
      padding: 16px 20px;
      font-size: 14px;
      color: var(--text-main);
      border-bottom: 1px solid var(--border-color);
    }
    .custom-table tr:last-child td { border-bottom: none; }
    .custom-table tr:hover td { background: #fafbfc; }

    .timeline-wrap { position: relative; padding: 20px 0; }
    .timeline-node {
      display: flex;
      gap: 20px;
      margin-bottom: 24px;
      background: #fff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .node-step {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .article-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      height: 100%;
      transition: var(--transition);
    }
    .article-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
    .article-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; display: flex; gap: 12px; }
    .article-title { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }

    .sec-padding { padding: 80px 0; }
    .bg-light-alt { background-color: var(--bg-light); }

    .faq-block {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 16px;
    }
    .faq-q { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; display: flex; gap: 10px; }
    .faq-q i { color: var(--accent); margin-top: 3px; }
    .faq-a { font-size: 14px; color: var(--text-muted); line-height: 1.7; padding-left: 26px; }

    .form-wrap {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .form-input {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      font-size: 14px;
    }
    .form-btn {
      width: 100%;
      background: var(--primary);
      color: #fff;
      border: none;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
    }
    .form-btn:hover { background: var(--accent); }

    .site-footer {
      background: #071324;
      color: #fff;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
      color: #fff;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-col-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--accent);
    }
    .footer-links a {
      display: block;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 10px;
    }
    .footer-links a:hover { color: var(--accent); padding-left: 4px; }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 12px;
      color: rgba(255, 255, 255, 0.4);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 15px;
    }

    @media (max-width: 768px) {
      .page-hero-title { font-size: 30px; }
      .hero-stats-row { flex-direction: column; gap: 16px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }