/* roulang page: index */
:root {
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --primary: #10B981;
      --primary-hover: #059669;
      --accent: #06B6D4;
      --accent-glow: rgba(6, 182, 212, 0.35);
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #F1F5F9;
      --text-light-muted: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
      --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.3);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --container: 1200px;
    }

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

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

    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: var(--container);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Top Bar & Header */
    .top-bar {
      background: #090D16;
      color: var(--text-light-muted);
      font-size: 0.825rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-items {
      display: flex;
      gap: 20px;
    }

    .main-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--bg-dark);
      letter-spacing: -0.5px;
    }
    .brand-logo-badge {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #FFF;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 1px;
    }
    .nav-links {
      display: flex;
      gap: 32px;
      list-style: none;
    }
    .nav-links a {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-muted);
      position: relative;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-links a:hover::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .header-cta-btn {
      background: var(--primary);
      color: #FFF;
      padding: 10px 22px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    }
    .header-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }

    /* Common Section Styles */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-light {
      background: var(--bg-light);
    }
    .section-white {
      background: var(--bg-white);
    }
    .section-dark {
      background: var(--bg-dark);
      color: var(--text-light);
    }
    .section-header {
      margin-bottom: 50px;
      text-align: center;
    }
    .section-header.left-aligned {
      text-align: left;
      margin-bottom: 35px;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(16, 185, 129, 0.1);
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 700;
      border-radius: 50px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(6, 182, 212, 0.15);
      color: var(--accent);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 15px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: var(--text-light-muted);
    }
    .section-header.left-aligned .section-desc {
      margin-left: 0;
    }

    /* 1. Hero Section */
    #hero {
      position: relative;
      background-color: var(--bg-dark);
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.85) 100%), url('/assets/images/7f8af8f46a17171c.jpg');
      background-size: cover;
      background-position: center;
      color: #FFF;
      padding: 110px 0 100px;
      overflow: hidden;
    }
    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-badge-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }
    .hero-badge {
      background: rgba(16, 185, 129, 0.2);
      border: 1px solid rgba(16, 185, 129, 0.4);
      color: #34D399;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 50px;
    }
    .hero-hot-tag {
      background: #EF4444;
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.6; }
    }
    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(90deg, #34D399, #38BDF8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1.1rem;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 35px;
    }
    .hero-cta-group {
      display: flex;
      gap: 16px;
      margin-bottom: 35px;
    }
    .btn-main {
      background: var(--primary);
      color: #FFF;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
      border: none;
      cursor: pointer;
    }
    .btn-main:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFF;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: #FFF;
    }
    .hero-live-card {
      background: rgba(30, 41, 59, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-lg);
    }
    .live-card-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }
    .live-indicator {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #34D399;
      font-size: 0.85rem;
      font-weight: 700;
    }
    .dot-ping {
      width: 8px;
      height: 8px;
      background: #34D399;
      border-radius: 50%;
      box-shadow: 0 0 8px #34D399;
    }
    .live-metric-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 16px;
    }
    .live-metric-box {
      background: rgba(15, 23, 42, 0.6);
      padding: 12px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--accent);
    }
    .metric-label {
      font-size: 0.75rem;
      color: var(--text-light-muted);
    }
    .metric-val {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFF;
      margin-top: 2px;
    }

    /* 2. Left Feed & Right Hot Ranking */
    .feed-layout {
      display: grid;
      grid-template-columns: 1.8fr 1.2fr;
      gap: 35px;
      align-items: start;
    }
    .feed-stream-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      gap: 20px;
    }
    .feed-stream-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }
    .feed-thumb {
      width: 140px;
      height: 95px;
      border-radius: var(--radius-sm);
      object-fit: cover;
      flex-shrink: 0;
    }
    .feed-body-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .feed-body-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 10px;
    }
    .feed-meta {
      font-size: 0.8rem;
      color: #94A3B8;
      display: flex;
      gap: 15px;
    }
    .rank-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border-color);
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #E2E8F0;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--text-muted);
    }
    .rank-num.top1 { background: #EF4444; color: #FFF; }
    .rank-num.top2 { background: #F97316; color: #FFF; }
    .rank-num.top3 { background: #FBBF24; color: #FFF; }
    .rank-info-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .rank-info-sub {
      font-size: 0.8rem;
      color: #94A3B8;
    }

    /* 3. About / Technical Engine */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .about-spec-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 25px;
    }
    .spec-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: var(--radius-sm);
    }
    .spec-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .spec-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .about-img-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    /* 4. Features Grid (2x3) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: var(--transition);
    }
    .feature-card:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .feature-icon-box {
      width: 48px;
      height: 48px;
      background: rgba(16, 185, 129, 0.1);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      margin-bottom: 18px;
    }
    .feature-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .feature-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 15px;
    }
    .feature-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .feature-tag-chip {
      background: #F1F5F9;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 5. Products Matrix */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .product-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
    }
    .product-card-top {
      padding: 28px 24px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .product-type {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .product-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .product-intro {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .product-features-list {
      padding: 20px 24px;
      list-style: none;
      flex-grow: 1;
    }
    .product-features-list li {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .product-features-list li::before {
      content: "✓";
      color: var(--primary);
      font-weight: 900;
    }
    .product-action {
      padding: 16px 24px 24px;
    }
    .product-action a {
      display: block;
      text-align: center;
      padding: 10px;
      border-radius: var(--radius-sm);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      font-weight: 600;
      font-size: 0.9rem;
    }
    .product-action a:hover {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 6. High Contrast Tech Flow */
    .flow-pipeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .pipeline-step-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      padding: 26px 20px;
      border-radius: var(--radius-md);
      position: relative;
    }
    .pipeline-step-box::after {
      content: "→";
      position: absolute;
      right: -14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--accent);
      font-size: 1.5rem;
      font-weight: 800;
    }
    .pipeline-step-box:last-child::after {
      display: none;
    }
    .step-badge {
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-light-muted);
      line-height: 1.5;
    }

    /* 7. Industry Cases */
    .cases-list {
      display: flex;
      flex-direction: column;
      gap: 35px;
    }
    .case-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      padding: 30px;
    }
    .case-row.reverse {
      direction: rtl;
    }
    .case-row.reverse .case-content {
      direction: ltr;
    }
    .case-content {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .case-target-tag {
      font-size: 0.75rem;
      font-weight: 700;
      background: rgba(6, 182, 212, 0.1);
      color: var(--accent);
      padding: 3px 10px;
      border-radius: 4px;
      display: inline-block;
      width: fit-content;
    }
    .case-h3 {
      font-size: 1.4rem;
      font-weight: 800;
    }
    .case-narrative {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .case-metrics-wrap {
      display: flex;
      gap: 20px;
      margin-top: 10px;
    }
    .case-stat-box {
      border-left: 3px solid var(--primary);
      padding-left: 12px;
    }
    .case-stat-num {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--bg-dark);
    }
    .case-stat-lbl {
      font-size: 0.75rem;
      color: #94A3B8;
    }
    .case-img {
      width: 100%;
      height: 260px;
      object-fit: cover;
      border-radius: var(--radius-sm);
    }

    /* 8. Full Metrics Bar */
    .metrics-bar-section {
      background: #090D16;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding: 50px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .metric-item-huge {
      color: #FFF;
    }
    .metric-value-huge {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1;
      background: linear-gradient(135deg, #10B981, #38BDF8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
    }
    .metric-desc-huge {
      font-size: 0.9rem;
      color: var(--text-light-muted);
      font-weight: 500;
    }

    /* 9. Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }
    .testi-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-quote {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 0.9rem;
      margin-bottom: 10px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }
    .testi-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--text-muted);
    }
    .testi-info-name {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-info-role {
      font-size: 0.75rem;
      color: #94A3B8;
    }

    /* 10. News Grid */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }
    .news-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .news-img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }
    .news-body {
      padding: 20px;
    }
    .news-date {
      font-size: 0.75rem;
      color: #94A3B8;
      margin-bottom: 6px;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .news-excerpt {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 11. FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 22px;
      font-weight: 700;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-icon {
      font-size: 1.25rem;
      font-weight: 400;
      transition: var(--transition);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #F8FAFC;
      border-top: 1px solid transparent;
    }
    .faq-item.active .faq-answer {
      max-height: 250px;
      border-top-color: var(--border-color);
    }
    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 12. Guarantee Bar */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
    }
    .guarantee-icon {
      font-size: 1.75rem;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .guarantee-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .guarantee-text {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 13. Contact & CTA Area */
    .contact-card-box {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 45px;
      color: #FFF;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .contact-form-side {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 30px;
      border-radius: var(--radius-md);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-light-muted);
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      background: rgba(15, 23, 42, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      color: #FFF;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }
    .btn-submit {
      width: 100%;
      padding: 14px;
      background: var(--primary);
      border: none;
      color: #FFF;
      font-weight: 700;
      font-size: 1rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--primary-hover);
    }

    /* Footer */
    .main-footer {
      background: #090D16;
      color: var(--text-light-muted);
      padding: 60px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 12px;
    }
    .footer-brand-desc {
      font-size: 0.85rem;
      line-height: 1.6;
      margin-bottom: 16px;
      max-width: 320px;
    }
    .footer-heading {
      color: #FFF;
      font-weight: 700;
      margin-bottom: 16px;
      font-size: 0.95rem;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-wrapper, .about-grid, .feed-layout, .contact-card-box {
        grid-template-columns: 1fr;
      }
      .features-grid, .products-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-pipeline-grid, .guarantee-grid, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pipeline-step-box::after { display: none; }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .top-bar-items { display: none; }
      .hero-title { font-size: 2.1rem; }
      .features-grid, .products-grid, .testimonials-grid, .news-grid, .flow-pipeline-grid, .guarantee-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .case-row { grid-template-columns: 1fr; }
      .contact-card-box { padding: 24px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    }