:root {
      --primary-color: rgb(90,200,250);
      --primary-dark: #1D7BFF;
      --deep-ocean: #0A1128;
      --glacier-blue: #E8F4FD;
      --silver-white: #F4F7F6;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
      --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
      --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: var(--silver-white);
      line-height: 1.6;
    }
    a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
    ul { list-style: none; }
    img { max-width: 100%; height: auto; }

    
    .header {
      background: rgba(10, 17, 40, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      transition: background 0.3s ease;
    }
    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .logo img {
      display: block;
      height: 40px;
      width: auto;
      max-width: 160px;
      object-fit: contain;
      flex-shrink: 0;
    }
    .logo span {
      display: inline-block;
      font-size: 20px;
      font-weight: 800;
      line-height: 1;
      color: #fff;
      white-space: nowrap;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 30px;
    }
    .nav-menu a {
      color: rgba(255, 255, 255, 0.8);
      font-size: 15px;
      font-weight: 500;
      padding: 8px 0;
      border-bottom: 2px solid transparent;
    }
    .nav-menu a:hover {
      color: var(--primary-color);
      border-bottom-color: var(--primary-color);
    }
    .header-right {
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .btn-nav {
      background: var(--primary-dark);
      color: #fff !important;
      padding: 8px 20px;
      border-radius: 6px;
      font-weight: 600;
    }
    .btn-nav:hover {
      background: var(--primary-color);
      box-shadow: 0 4px 12px rgba(90, 200, 250, 0.3);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }

    
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      z-index: 2000;
      transition: left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .mobile-drawer.active {
      left: 0;
    }
    .drawer-backdrop {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
    }
    .drawer-content {
      position: absolute;
      top: 0;
      left: 0;
      width: 280px;
      height: 100%;
      background: var(--deep-ocean);
      box-shadow: var(--shadow-lg);
      display: flex;
      flex-direction: column;
      padding: 24px;
    }
    .drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      padding-bottom: 20px;
    }
    .drawer-header .logo span {
      color: #fff;
    }
    .close-btn {
      background: none;
      border: none;
      color: #fff;
      font-size: 28px;
      cursor: pointer;
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .drawer-nav a {
      color: rgba(255,255,255,0.8);
      font-size: 16px;
      font-weight: 500;
      padding: 8px 0;
    }
    .drawer-nav a:hover {
      color: var(--primary-color);
      padding-left: 10px;
    }

    
    .hero {
      background: linear-gradient(135deg, var(--deep-ocean) 0%, #0f244a 100%);
      color: #fff;
      padding: 160px 20px 100px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      top: -20%;
      left: 50%;
      transform: translateX(-50%);
      width: 800px;
      height: 600px;
      background: radial-gradient(circle, rgba(29, 123, 255, 0.15) 0%, rgba(90, 200, 250, 0.05) 50%, transparent 100%);
      filter: blur(80px);
      pointer-events: none;
    }
    .hero-container {
      max-width: 1100px;
      margin: 0 auto;
      text-align: center;
      position: relative;
      z-index: 5;
    }
    .hero-manifesto {
      max-width: 800px;
      margin: 0 auto 60px;
    }
    .manifesto-tag {
      display: inline-block;
      background: rgba(29, 123, 255, 0.2);
      border: 1px solid var(--primary-dark);
      color: var(--primary-color);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 24px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #ffffff;
    }
    .hero-subtitle {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 35px;
      line-height: 1.6;
    }
    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 15px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 16px;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary-dark) 0%, #1766d6 100%);
      color: #fff;
      box-shadow: 0 4px 15px rgba(29, 123, 255, 0.4);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(29, 123, 255, 0.6);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #fff;
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: rgba(255, 255, 255, 0.4);
    }

    
    .hero-visual-wrapper {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 40px 0;
    }
    .main-visual-panel {
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-lg), 0 0 30px rgba(29, 123, 255, 0.1);
      position: relative;
      z-index: 2;
    }
    .panel-screen-glow {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(180deg, rgba(29, 123, 255, 0.05) 0%, transparent 100%);
      border-radius: 16px;
      pointer-events: none;
    }
    .visual-dashboard-header {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-bottom: 25px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 12px;
    }
    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot.red { background: #EF4444; }
    .dot.yellow { background: #F59E0B; }
    .dot.green { background: #10B981; }
    .panel-title {
      font-family: monospace;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.4);
      margin-left: 10px;
    }
    .visual-content-mock {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 140px;
    }
    .step-guide-visual {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: 650px;
    }
    .step-v {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      flex: 1;
    }
    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(29, 123, 255, 0.1);
      border: 2px solid rgba(29, 123, 255, 0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      transition: all 0.3s;
    }
    .step-v.active .step-num {
      background: var(--primary-dark);
      border-color: var(--primary-color);
      box-shadow: 0 0 15px rgba(29, 123, 255, 0.5);
      color: #fff;
    }
    .step-text {
      font-size: 15px;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.9);
    }
    .step-line {
      flex: 1;
      height: 2px;
      background: rgba(255, 255, 255, 0.1);
      margin-bottom: 30px;
    }

    
    .float-card {
      position: absolute;
      background: rgba(10, 17, 40, 0.9);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      gap: 15px;
      width: 240px;
      text-align: left;
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(10px);
      z-index: 3;
    }
    .float-card .icon {
      font-size: 24px;
      background: rgba(29, 123, 255, 0.1);
      border-radius: 8px;
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-color);
    }
    .float-card h4 {
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 2px;
    }
    .float-card p {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.3;
    }
    .card-tl { top: -20px; left: -80px; }
    .card-tr { top: -20px; right: -80px; }
    .card-bl { bottom: -20px; left: -80px; }
    .card-br { bottom: -20px; right: -80px; }

    
    .trust-indicator {
      background: #fff;
      border-bottom: 1px solid var(--border-color);
      padding: 30px 20px;
    }
    .trust-container {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .trust-item span {
      font-size: 32px;
      color: var(--primary-dark);
    }
    .trust-text h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }
    .trust-text p {
      font-size: 13px;
      color: var(--text-muted);
    }

    
    .section-padding {
      padding: 80px 20px;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 15px;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto;
    }

    
    .steps-section {
      background-color: #fff;
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
    }
    .step-card {
      background: var(--silver-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      position: relative;
      transition: all 0.3s ease;
    }
    .step-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-dark);
    }
    .step-badge {
      font-size: 40px;
      font-weight: 800;
      color: rgba(29, 123, 255, 0.1);
      position: absolute;
      top: 20px;
      right: 20px;
    }
    .step-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 15px;
      color: var(--text-main);
    }
    .step-card p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .step-link {
      color: var(--primary-dark);
      font-weight: 600;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    
    .articles-section {
      background-color: var(--silver-white);
    }
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
    }
    .article-card {
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .article-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }
    .article-img {
      height: 200px;
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .article-meta-badge {
      position: absolute;
      bottom: 15px;
      left: 15px;
      background: var(--primary-dark);
      color: #fff;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }
    .article-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .article-meta {
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .article-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .article-summary {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.5;
      flex-grow: 1;
    }
    .article-footer {
      border-top: 1px solid var(--border-color);
      padding-top: 15px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .article-tags {
      display: flex;
      gap: 5px;
      font-size: 12px;
      color: var(--primary-dark);
    }
    .read-more {
      font-weight: 600;
      color: var(--primary-dark);
      font-size: 14px;
    }

    
    .cta-section {
      background: linear-gradient(135deg, var(--deep-ocean) 0%, #152C55 100%);
      color: #fff;
      text-align: center;
    }
    .cta-container {
      max-width: 800px;
      margin: 0 auto;
    }
    .cta-title {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .cta-desc {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 35px;
    }

    
    .footer {
      background: #060B18;
      color: rgba(255, 255, 255, 0.7);
      padding: 70px 20px 30px;
      border-top: 1px solid rgba(255,255,255,0.05);
    }
    .footer-top {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand {
      grid-column: span 2;
    }
    .footer-brand .logo span {
      color: #fff;
    }
    .footer-brand p {
      margin-top: 15px;
      font-size: 14px;
      line-height: 1.6;
    }
    .footer-links h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links ul {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a {
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--primary-color);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 30px;
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 13px;
    }
    .footer-meta {
      display: flex;
      gap: 20px;
    }

    
    @media (max-width: 1100px) {
      .float-card {
        position: static;
        width: 100%;
        margin-bottom: 15px;
      }
      .hero-visual-wrapper {
        display: flex;
        flex-direction: column;
        gap: 15px;
        padding: 40px 0 0;
      }
      .main-visual-panel {
        order: -1;
        margin-bottom: 20px;
      }
    }
    @media (max-width: 768px) {
      .nav-menu, .header-right .btn-nav { display: none; }
      .mobile-menu-btn { display: block; }
      .hero-title { font-size: 32px; }
      .hero-subtitle { font-size: 15px; }
      .section-title { font-size: 26px; }
      .step-guide-visual { flex-direction: column; gap: 20px; }
      .step-line { display: none; }
      .footer-brand { grid-column: span 1; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }