/* roulang page: index */
:root {
      --primary: #0052CC;
      --primary-hover: #0747A6;
      --accent: #00A3BF;
      --accent-light: #00B8D9;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --max-width: 1280px;
      --transition: all 0.3s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    button, input, select, textarea {
      font: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-py {
      padding: 80px 0;
    }

    @media (max-width: 768px) {
      .section-py {
        padding: 56px 0;
      }
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background-color: rgba(0, 82, 204, 0.08);
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    @media (max-width: 768px) {
      .section-title {
        font-size: 26px;
      }
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #0065FF 100%);
      color: #fff;
      box-shadow: 0 4px 14px rgba(0, 82, 204, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-hover) 0%, #0052CC 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 82, 204, 0.45);
    }

    .btn-outline {
      background: #FFFFFF;
      color: var(--primary);
      border-color: var(--border-color);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      background: #F8FAFC;
      transform: translateY(-2px);
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #FFFFFF;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    }

    .top-bar {
      background: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .main-nav {
      height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 20px;
      color: var(--text-main);
    }

    .logo-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 800;
      font-size: 18px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-weight: 500;
      color: var(--text-body);
      font-size: 15px;
    }

    .nav-links a:hover {
      color: var(--primary);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    @media (max-width: 992px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        display: none;
        gap: 18px;
      }
      .nav-links.active {
        display: flex;
      }
      .top-bar {
        display: none;
      }
    }

    /* Section 1: Hero */
    .hero-section {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 70px 0 90px;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-content p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .hero-visual {
      position: relative;
    }

    .hero-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      background: #FFF;
      max-height: 480px;
    }

    .hero-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .metric-box {
      background: #FFFFFF;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .metric-value {
      font-size: 24px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: Consolas, Monaco, monospace;
    }

    .metric-label {
      font-size: 13px;
      color: var(--text-muted);
    }

    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-content h1 {
        font-size: 34px;
      }
    }

    /* Section 2: Matrix */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      transition: var(--transition);
    }

    .matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(0, 82, 204, 0.3);
    }

    .card-icon-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(0, 163, 191, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
    }

    .matrix-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .matrix-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    @media (max-width: 992px) {
      .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .matrix-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 3: Stats Banner */
    .stats-strip {
      background: linear-gradient(135deg, #0052CC 0%, #0747A6 100%);
      color: #FFFFFF;
      padding: 50px 0;
    }

    .stats-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .stat-number {
      font-size: 40px;
      font-weight: 800;
      margin-bottom: 6px;
      font-family: Consolas, Monaco, monospace;
      color: #E6F0FA;
    }

    .stat-unit {
      font-size: 20px;
      font-weight: 600;
      color: var(--accent-light);
    }

    .stat-text {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.85);
      margin-top: 4px;
    }

    @media (max-width: 768px) {
      .stats-flex {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 32px;
      }
    }

    /* Section 4: Products */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .product-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .product-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .product-img-box {
      height: 200px;
      overflow: hidden;
      background: #E2E8F0;
    }

    .product-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .product-card:hover .product-img-box img {
      transform: scale(1.05);
    }

    .product-info {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .product-badge {
      display: inline-block;
      font-size: 12px;
      color: #0065FF;
      background: #DEEBFF;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
      align-self: flex-start;
      margin-bottom: 12px;
    }

    .product-info h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .product-info p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .product-specs {
      list-style: none;
      font-size: 13px;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
      margin-top: auto;
    }

    .product-specs li {
      display: flex;
      justify-content: space-between;
      padding: 4px 0;
      color: var(--text-body);
    }

    .product-specs li span:first-child {
      color: var(--text-muted);
    }

    @media (max-width: 992px) {
      .products-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 5: Comparison */
    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .compare-col {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .compare-col.highlight {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .compare-tag {
      position: absolute;
      top: -14px;
      right: 28px;
      background: var(--primary);
      color: #FFF;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
    }

    .compare-col h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .compare-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

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

    .compare-item {
      padding: 14px 0;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
    }

    .compare-item:last-child {
      border-bottom: none;
    }

    .compare-status {
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      flex-shrink: 0;
    }

    .status-bad {
      background: #FFEBE6;
      color: #DE350B;
    }

    .status-good {
      background: #E3FCEF;
      color: #006644;
    }

    @media (max-width: 768px) {
      .compare-wrap {
        grid-template-columns: 1fr;
      }
    }

    /* Section 6: Dark Philosophy */
    .dark-section {
      background: linear-gradient(135deg, #0A2540 0%, #0D3A66 100%);
      color: #FFFFFF;
      padding: 85px 0;
    }

    .philosophy-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .dark-section h2 {
      font-size: 34px;
      font-weight: 700;
      margin-bottom: 20px;
      line-height: 1.3;
      color: #FFFFFF;
    }

    .dark-section p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .dark-pillars {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .pillar-box {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      padding: 18px;
    }

    .pillar-box h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--accent-light);
      margin-bottom: 6px;
    }

    .pillar-box p {
      font-size: 13px;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.5;
    }

    .philosophy-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    @media (max-width: 992px) {
      .philosophy-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 7: Milestones */
    .milestones-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .milestone-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .stage-number {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 12px;
      display: block;
    }

    .milestone-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .milestone-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    @media (max-width: 992px) {
      .milestones-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      .milestones-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 8: Stories */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .story-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .story-body {
      padding: 32px;
      flex-grow: 1;
    }

    .story-meta {
      display: flex;
      gap: 12px;
      margin-bottom: 14px;
    }

    .story-tag {
      font-size: 12px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
      background: var(--bg-alt);
      color: var(--text-muted);
    }

    .story-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .story-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .story-highlight-box {
      background: #F8FAFC;
      border-left: 3px solid var(--primary);
      padding: 12px 16px;
      font-size: 13px;
      color: var(--text-muted);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    @media (max-width: 768px) {
      .stories-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 9: Reviews */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .stars {
      color: #FFAB00;
      font-size: 16px;
      margin-bottom: 14px;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 14px;
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    @media (max-width: 992px) {
      .reviews-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 10: Insights */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .insight-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .insight-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .insight-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .insight-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .insight-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .insight-link {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    @media (max-width: 992px) {
      .insights-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 11: Assurance */
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .assurance-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      text-align: center;
    }

    .assurance-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      background: rgba(0, 82, 204, 0.08);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      font-weight: 700;
    }

    .assurance-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .assurance-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    @media (max-width: 992px) {
      .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      .assurance-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Section 12: FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      font-weight: 600;
      font-size: 16px;
      color: var(--text-main);
    }

    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #FAFAFA;
      padding: 0 24px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 20px;
      border-top: 1px solid var(--border-color);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* Section 13: Contact Form */
    .contact-card-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
    }

    .contact-info-side {
      background: linear-gradient(135deg, #0052CC 0%, #0747A6 100%);
      color: #FFFFFF;
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-side h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .contact-info-side p {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 30px;
    }

    .trust-badges-list {
      list-style: none;
      font-size: 13px;
      margin-bottom: 40px;
    }

    .trust-badges-list li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-form-side {
      padding: 48px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #FFFFFF;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.15);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    @media (max-width: 992px) {
      .contact-card-box {
        grid-template-columns: 1fr;
      }
      .contact-info-side, .contact-form-side {
        padding: 32px;
      }
    }

    /* Footer */
    .site-footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px;
      font-size: 13px;
      border-top: 1px solid #1E293B;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a:hover {
      color: #FFFFFF;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }