/* roulang page: index */
:root {
      --primary: #4F46E5;
      --primary-hover: #4338CA;
      --secondary: #0EA5E9;
      --dark-slate: #0F172A;
      --dark-card: #1E293B;
      --accent-green: #059669;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Bar */
    .top-bar {
      background-color: var(--dark-slate);
      color: var(--text-light);
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .top-bar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-badges {
      display: flex;
      gap: 16px;
    }

    .top-badge-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .top-badge-item::before {
      content: "✓";
      color: var(--secondary);
      font-weight: bold;
    }

    /* Header Nav */
    .main-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 18px;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 32px;
    }

    .nav-link {
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 8px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #3730A3);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #4338CA, #312E81);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
    }

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

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #F5F3FF;
    }

    .btn-accent {
      background: var(--secondary);
      color: #FFFFFF;
    }

    .btn-accent:hover {
      background: #0284C7;
    }

    /* Section Global */
    section {
      padding: 88px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: #EEF2FF;
      color: var(--primary);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* Hero Section (Blueprinted Video Stage Layout) */
    .hero-section {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 60px 0 90px 0;
      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: 46px;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-content h1 span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 17px;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.8;
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-kpis {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      border-top: 1px solid var(--border-color);
      padding-top: 28px;
    }

    .kpi-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: baseline;
      gap: 2px;
    }

    .kpi-num em {
      font-style: normal;
      font-size: 16px;
      color: var(--primary);
    }

    .kpi-lbl {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Vertical Live Demo Stage Card */
    .hero-stage-wrapper {
      position: relative;
    }

    .stage-card {
      background: var(--dark-slate);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-dark);
      position: relative;
    }

    .stage-card-screen {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 9 / 13;
      background: #000;
    }

    .stage-card-screen img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.85;
    }

    .stage-live-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(239, 68, 68, 0.9);
      color: #fff;
      font-size: 12px;
      font-weight: bold;
      padding: 4px 10px;
      border-radius: 999px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .stage-live-badge::before {
      content: '';
      width: 6px;
      height: 6px;
      background: #fff;
      border-radius: 50%;
      animation: pulse 1.5s infinite;
    }

    .stage-overlay-info {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 24px 18px 18px 18px;
      background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.95) 85%);
      color: #fff;
    }

    .stage-overlay-info h4 {
      font-size: 17px;
      margin-bottom: 6px;
      font-weight: 700;
    }

    .stage-overlay-info p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.5;
      margin-bottom: 14px;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    /* Section 2: Overview / Technical Architecture */
    .overview-section {
      background: #FFFFFF;
    }

    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .overview-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      position: relative;
    }

    .tech-specs-list {
      list-style: none;
      margin-top: 24px;
    }

    .tech-spec-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 18px;
    }

    .spec-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: #EEF2FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 3px;
    }

    .spec-text h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .spec-text p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* Section 3: 6-Grid Core Advantages */
    .advantages-section {
      background: var(--bg-light);
    }

    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .adv-card {
      background: var(--bg-white);
      padding: 32px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      position: relative;
    }

    .adv-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .adv-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .adv-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 4: Product SaaS Matrix */
    .matrix-section {
      background: #FFFFFF;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .matrix-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      background: var(--bg-white);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: var(--transition);
    }

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

    .matrix-card-header {
      padding: 30px 28px 20px 28px;
      border-bottom: 1px solid var(--border-color);
      background: #FAF5FF;
    }

    .matrix-card:nth-child(2) .matrix-card-header {
      background: #EEF2FF;
    }

    .matrix-card:nth-child(3) .matrix-card-header {
      background: #F0F9FF;
    }

    .matrix-card-header h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 8px;
    }

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

    .matrix-card-body {
      padding: 28px;
      flex: 1;
    }

    .matrix-feature-list {
      list-style: none;
      margin-bottom: 28px;
    }

    .matrix-feature-list li {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .matrix-feature-list li::before {
      content: "✔";
      color: var(--accent-green);
      font-weight: bold;
    }

    /* Section 5: Deep Dark Architecture Zone */
    .tech-deep-section {
      background: radial-gradient(circle at 50% 0%, #1E293B 0%, #0F172A 100%);
      color: #FFFFFF;
      padding: 96px 0;
    }

    .tech-deep-section .section-tag {
      background: rgba(79, 70, 229, 0.2);
      color: #818CF8;
    }

    .tech-deep-section .section-title {
      color: #FFFFFF;
    }

    .tech-deep-section .section-desc {
      color: var(--text-light);
    }

    .dark-arch-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .dark-arch-card {
      background: rgba(30, 41, 59, 0.6);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

    .dark-arch-card:hover {
      background: rgba(30, 41, 59, 0.95);
      border-color: var(--secondary);
    }

    .dark-arch-card .layer-tag {
      font-size: 12px;
      color: var(--secondary);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .dark-arch-card h4 {
      font-size: 17px;
      margin-bottom: 10px;
      color: #F8FAFC;
    }

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

    /* Section 6: Before / After Comparison */
    .comparison-section {
      background: var(--bg-light);
    }

    .compare-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1.2fr 2fr 2fr;
      padding: 20px 28px;
      border-bottom: 1px solid var(--border-color);
      align-items: center;
    }

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

    .compare-header {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
      font-size: 15px;
    }

    .compare-label {
      font-weight: 600;
      color: var(--text-main);
    }

    .compare-old {
      color: #DC2626;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .compare-new {
      color: var(--accent-green);
      font-weight: 600;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* Section 7: Case Studies */
    .cases-section {
      background: #FFFFFF;
    }

    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
    }

    .case-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .case-media {
      width: 42%;
      position: relative;
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-content {
      width: 58%;
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-category {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-content h3 {
      font-size: 18px;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .case-content p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .case-metric {
      background: #F8FAFC;
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .case-metric-label {
      font-size: 12px;
      color: var(--text-muted);
    }

    .case-metric-val {
      font-size: 16px;
      font-weight: 800;
      color: var(--accent-green);
    }

    /* Section 8: Quantitative Metrics Bar */
    .stats-section {
      background: linear-gradient(135deg, #1E1B4B 0%, #312E81 100%);
      color: #FFFFFF;
      padding: 64px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }

    .stats-item h3 {
      font-size: 42px;
      font-weight: 900;
      color: #38BDF8;
      line-height: 1;
      margin-bottom: 8px;
    }

    .stats-item p {
      font-size: 15px;
      color: #E0E7FF;
    }

    /* Section 9: Customer Reviews */
    .reviews-section {
      background: var(--bg-light);
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .review-stars {
      color: #F59E0B;
      font-size: 16px;
      margin-bottom: 16px;
    }

    .review-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
      position: relative;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #E0E7FF;
      color: var(--primary);
      font-weight: bold;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .reviewer-info h4 {
      font-size: 14px;
      font-weight: 700;
    }

    .reviewer-info span {
      font-size: 12px;
      color: var(--text-light);
    }

    /* Section 10: Industry Articles / Knowledge */
    .news-section {
      background: #FFFFFF;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

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

    .news-thumb {
      height: 180px;
      overflow: hidden;
    }

    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }

    .news-content {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .news-tag {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 8px;
      display: inline-block;
    }

    .news-content h3 {
      font-size: 17px;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .news-content p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .news-footer {
      font-size: 12px;
      color: var(--text-light);
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
    }

    /* Section 11: FAQ Accordion */
    .faq-section {
      background: var(--bg-light);
    }

    .faq-accordion {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 22px 28px;
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .faq-item.active .faq-question::after {
      content: '−';
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #FAF5FF;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
    }

    .faq-answer-inner {
      padding: 0 28px 22px 28px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* Section 12: High-converting CTA Strip & Form */
    .cta-section {
      background: radial-gradient(circle at 50% 50%, #312E81 0%, #1E1B4B 100%);
      color: #FFFFFF;
      padding: 80px 0;
      text-align: center;
    }

    .cta-box {
      max-width: 780px;
      margin: 0 auto;
    }

    .cta-box h2 {
      font-size: 36px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .cta-box p {
      font-size: 16px;
      color: #C7D2FE;
      margin-bottom: 36px;
    }

    .cta-form {
      display: flex;
      gap: 12px;
      max-width: 560px;
      margin: 0 auto 24px auto;
    }

    .cta-input {
      flex: 1;
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      font-size: 15px;
      outline: none;
    }

    .cta-input::placeholder {
      color: #94A3B8;
    }

    .cta-input:focus {
      border-color: #38BDF8;
      background: rgba(255, 255, 255, 0.15);
    }

    .security-badges-bar {
      display: flex;
      justify-content: center;
      gap: 28px;
      font-size: 13px;
      color: #94A3B8;
      margin-top: 24px;
    }

    /* Footer */
    .site-footer {
      background: #0B0F17;
      color: #94A3B8;
      padding: 72px 0 32px 0;
      font-size: 14px;
      border-top: 1px solid #1E293B;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 56px;
    }

    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 13px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
    }

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

    .footer-links li {
      margin-bottom: 12px;
    }

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

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* Floating CTA Bar */
    .fixed-bottom-bar {
      position: fixed;
      bottom: -100px;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 14px 0;
      z-index: 99;
      transition: bottom 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
    }

    .fixed-bottom-bar.visible {
      bottom: 0;
    }

    .fixed-bar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .fixed-bar-text {
      color: #FFFFFF;
      font-size: 14px;
      font-weight: 600;
    }

    .fixed-bar-text span {
      color: var(--secondary);
      font-size: 12px;
      font-weight: normal;
      margin-left: 8px;
    }

    /* Responsive Breakdown */
    @media (max-width: 1024px) {
      .hero-grid, .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .advantages-grid, .matrix-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .dark-arch-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
    }

    @media (max-width: 768px) {
      section {
        padding: 60px 0;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .nav-menu {
        display: none;
      }
      .advantages-grid, .matrix-grid, .reviews-grid, .news-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .case-card {
        flex-direction: column;
      }
      .case-media {
        width: 100%;
        height: 180px;
      }
      .case-content {
        width: 100%;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .cta-form {
        flex-direction: column;
      }
      .compare-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .fixed-bar-text span {
        display: none;
      }
      .top-bar {
        display: none;
      }
    }