/* roulang page: index */
:root {
      --primary: #0F2537;
      --primary-light: #1E3A56;
      --brand-blue: #0284C7;
      --brand-indigo: #2563EB;
      --brand-purple: #4F46E5;
      --accent: #00D2B4;
      --accent-hover: #00b399;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0B132B;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: rgba(255, 255, 255, 0.08);
      --brand-grad: linear-gradient(135deg, #0284C7 0%, #2563EB 50%, #4F46E5 100%);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 37, 55, 0.05);
      --shadow-lg: 0 20px 30px -4px rgba(37, 99, 235, 0.12);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      color: var(--text-main);
      background-color: var(--bg-page);
    }
    body {
      line-height: 1.6;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font: inherit;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-weight: 600;
      border-radius: var(--radius-full);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      font-size: 0.95rem;
      min-height: 46px;
      text-align: center;
    }
    .btn-gradient {
      background: var(--brand-grad);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    }
    .btn-gradient:hover {
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.3);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.25);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }
    .btn-outline-dark {
      background: #FFFFFF;
      color: var(--primary);
      border-color: var(--border-color);
    }
    .btn-outline-dark:hover {
      border-color: var(--brand-blue);
      color: var(--brand-blue);
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 0.78rem;
      font-weight: 600;
    }
    .badge-accent {
      background: rgba(0, 210, 180, 0.15);
      color: #008774;
      border: 1px solid rgba(0, 210, 180, 0.4);
    }
    .badge-blue {
      background: rgba(2, 132, 199, 0.12);
      color: var(--brand-blue);
      border: 1px solid rgba(2, 132, 199, 0.3);
    }
    .badge-dark {
      background: rgba(255, 255, 255, 0.1);
      color: #E2E8F0;
      border: 1px solid var(--border-dark);
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px;
    }
    .section-header .section-tag {
      margin-bottom: 12px;
    }
    .section-header h2 {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
    }
    .top-bar {
      background-color: #081524;
      color: var(--text-light);
      font-size: 0.8rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px var(--accent);
    }
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .header-nav .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .site-brand .brand-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--brand-grad);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-size: 1.2rem;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-links a {
      font-weight: 600;
      color: var(--text-main);
      font-size: 0.95rem;
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--brand-indigo);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--brand-grad);
      transition: var(--transition);
    }
    .nav-links a:hover::after, .nav-links a.active::after {
      width: 100%;
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--primary);
      cursor: pointer;
    }
    .hero-video-section {
      position: relative;
      background: #0B132B;
      color: #FFFFFF;
      padding: 120px 0 100px;
      overflow: hidden;
    }
    .hero-bg-cover {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/303164ca86af3642.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.35;
      mix-blend-mode: luminosity;
      transform: scale(1.05);
      transition: transform 10s ease;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 60% 30%, rgba(2, 132, 199, 0.35) 0%, rgba(11, 19, 43, 0.95) 75%);
    }
    .hero-content-wrapper {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }
    .hero-badge-top {
      margin-bottom: 24px;
      border-color: rgba(2, 132, 199, 0.5);
      background: rgba(2, 132, 199, 0.2);
      color: #38BDF8;
    }
    .hero-content-wrapper h1 {
      font-size: 3.2rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }
    .hero-content-wrapper h1 span {
      background: var(--brand-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 1.15rem;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 40px;
      max-width: 820px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 60px;
    }
    .hero-video-card-trigger {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 10px 24px;
      border-radius: var(--radius-full);
      color: #FFFFFF;
      font-size: 0.95rem;
      cursor: pointer;
      backdrop-filter: blur(10px);
      transition: var(--transition);
    }
    .hero-video-card-trigger:hover {
      background: rgba(255, 255, 255, 0.16);
      border-color: var(--accent);
      color: var(--accent);
    }
    .hero-video-card-trigger .play-btn-circle {
      width: 32px;
      height: 32px;
      background: var(--brand-grad);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-size: 0.8rem;
    }
    .hero-metrics-bar {
      width: 100%;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
      backdrop-filter: blur(12px);
      padding: 24px 32px;
      border-radius: var(--radius-lg);
    }
    .metric-item {
      text-align: left;
      border-left: 3px solid var(--brand-blue);
      padding-left: 18px;
    }
    .metric-item:nth-child(2) {
      border-left-color: var(--accent);
    }
    .metric-item:nth-child(3) {
      border-left-color: var(--brand-purple);
    }
    .metric-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.2;
    }
    .metric-lbl {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-top: 4px;
    }
    .arch-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .arch-media-box {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      background: #FFFFFF;
    }
    .arch-img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .arch-badge-float {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(15, 37, 55, 0.9);
      backdrop-filter: blur(10px);
      padding: 14px 20px;
      border-radius: var(--radius-md);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.15);
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .arch-badge-float i {
      font-size: 1.8rem;
      color: var(--accent);
    }
    .arch-badge-float .title {
      font-size: 0.95rem;
      font-weight: 700;
    }
    .arch-badge-float .desc {
      font-size: 0.78rem;
      color: var(--text-light);
    }
    .arch-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 20px;
      line-height: 1.35;
    }
    .arch-content p {
      color: var(--text-muted);
      margin-bottom: 24px;
      font-size: 1rem;
      line-height: 1.8;
    }
    .spec-matrix {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 28px;
    }
    .spec-card {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
    }
    .spec-card .val {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--brand-indigo);
    }
    .spec-card .name {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .adv-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(37, 99, 235, 0.3);
    }
    .adv-top-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 20px;
    }
    .adv-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: rgba(2, 132, 199, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-indigo);
      font-size: 1.4rem;
    }
    .adv-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-column {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .product-column.featured {
      border-color: var(--brand-indigo);
      box-shadow: 0 12px 36px rgba(37, 99, 235, 0.16);
      transform: translateY(-4px);
    }
    .product-column.featured::before {
      content: '主力方案推荐';
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--brand-grad);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: var(--radius-full);
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
    }
    .product-scene-tag {
      align-self: flex-start;
      margin-bottom: 16px;
    }
    .product-column h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .product-column .product-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .product-features-list {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
    }
    .product-features-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .product-features-list li i {
      color: var(--accent);
      margin-top: 4px;
      font-size: 0.9rem;
    }
    .tech-stack-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 28px;
      padding-top: 16px;
      border-top: 1px dashed var(--border-color);
    }
    .tech-pill {
      font-size: 0.72rem;
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      padding: 2px 10px;
      border-radius: var(--radius-sm);
      color: var(--text-muted);
    }
    .section-dark-comparison {
      background-color: var(--bg-dark);
      color: #FFFFFF;
      padding: 100px 0;
    }
    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 48px;
    }
    .comparison-col {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
    }
    .comparison-col.modern {
      background: rgba(2, 132, 199, 0.06);
      border-color: rgba(2, 132, 199, 0.35);
      position: relative;
    }
    .comparison-col-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-dark);
    }
    .comparison-col-header h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: #FFFFFF;
    }
    .compare-bar-item {
      margin-bottom: 24px;
    }
    .compare-bar-label {
      display: flex;
      justify-content: space-between;
      font-size: 0.88rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .compare-bar-label .val-strong {
      color: #FFFFFF;
      font-weight: 700;
    }
    .modern .compare-bar-label .val-strong {
      color: var(--accent);
    }
    .progress-track {
      width: 100%;
      height: 8px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-full);
      overflow: hidden;
    }
    .progress-fill {
      height: 100%;
      border-radius: var(--radius-full);
    }
    .fill-legacy {
      background: #64748B;
    }
    .fill-modern-blue {
      background: var(--brand-grad);
    }
    .fill-modern-green {
      background: var(--accent);
    }
    .case-tabs {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 40px;
    }
    .tab-btn {
      padding: 12px 28px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .tab-btn.active, .tab-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }
    .case-tab-pane {
      display: none;
      animation: fadeIn 0.4s ease;
    }
    .case-tab-pane.active {
      display: block;
    }
    .case-card-hero {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .case-card-img-wrap {
      position: relative;
      min-height: 380px;
    }
    .case-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-card-body {
      padding: 44px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-card-body h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .case-card-body p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .case-stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .case-stat-box .num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--brand-indigo);
      line-height: 1.2;
    }
    .case-stat-box .desc {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .milestones-strip {
      background: linear-gradient(135deg, #0B132B 0%, #0F2537 100%);
      color: #FFFFFF;
      padding: 64px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .milestones-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .milestone-item {
      padding: 0 16px;
      position: relative;
    }
    .milestone-item:not(:last-child)::after {
      content: '';
      position: absolute;
      right: 0;
      top: 20%;
      height: 60%;
      width: 1px;
      background: rgba(255, 255, 255, 0.12);
    }
    .milestone-value {
      font-size: 3rem;
      font-weight: 900;
      letter-spacing: -1px;
      background: linear-gradient(135deg, #38BDF8 0%, #00D2B4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .milestone-value span {
      font-size: 1.5rem;
      font-weight: 700;
      color: #38BDF8;
      -webkit-text-fill-color: initial;
    }
    .milestone-title {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .milestone-desc {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .fission-banner-box {
      background: linear-gradient(135deg, #0F2537 0%, #1E3A56 100%);
      border-radius: var(--radius-lg);
      padding: 44px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .fission-banner-box::before {
      content: '';
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(0, 210, 180, 0.2) 0%, transparent 70%);
      border-radius: 50%;
    }
    .fission-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .fission-info p {
      color: #CBD5E1;
      font-size: 0.95rem;
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .fission-progress-group {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-dark);
      padding: 20px;
      border-radius: var(--radius-md);
      margin-bottom: 20px;
    }
    .fission-progress-top {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      margin-bottom: 8px;
    }
    .fission-progress-top strong {
      color: var(--accent);
    }
    .fission-rank-box {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(10px);
      padding: 28px;
      border-radius: var(--radius-md);
    }
    .fission-rank-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .fission-rank-list {
      list-style: none;
    }
    .fission-rank-list li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.86rem;
    }
    .fission-rank-list li:last-child {
      border-bottom: none;
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-bottom: 56px;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .review-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .review-quote {
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 24px;
      position: relative;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-page);
      border: 2px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--brand-indigo);
      font-size: 1.1rem;
    }
    .author-name {
      font-weight: 700;
      color: var(--primary);
      font-size: 0.92rem;
    }
    .author-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .partners-wall-title {
      text-align: center;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 24px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .partners-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .partner-pill {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 60px;
      transition: var(--transition);
    }
    .partner-pill:hover {
      border-color: var(--brand-blue);
      color: var(--brand-blue);
      transform: translateY(-2px);
    }
    .news-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
    }
    .news-spotlight {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-spotlight img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }
    .news-spotlight-body {
      padding: 32px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-spotlight-body h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 14px;
      line-height: 1.4;
    }
    .news-spotlight-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .news-list-side {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-item-row {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      cursor: pointer;
    }
    .news-item-row:hover {
      border-color: var(--brand-blue);
      transform: translateX(4px);
    }
    .news-meta-date {
      font-size: 0.75rem;
      color: var(--brand-indigo);
      font-weight: 700;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .news-item-row h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .news-item-row p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .security-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .security-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent);
    }
    .sec-icon-circle {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: rgba(0, 210, 180, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #008774;
      font-size: 1.6rem;
      margin: 0 auto 20px;
    }
    .security-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .security-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--brand-blue);
    }
    .faq-header {
      padding: 22px 28px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-header .indicator {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg-page);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      color: var(--brand-indigo);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-header .indicator {
      transform: rotate(45deg);
      background: var(--brand-indigo);
      color: #FFFFFF;
    }
    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.35s ease;
      background: #FAFCFE;
      padding: 0 28px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .faq-item.active .faq-body {
      padding: 0 28px 24px;
      max-height: 300px;
    }
    .contact-wrapper {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      overflow: hidden;
    }
    .contact-left-info {
      background: linear-gradient(135deg, #0F2537 0%, #173854 100%);
      color: #FFFFFF;
      padding: 56px 44px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .contact-left-info h3 {
      font-size: 1.85rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .contact-left-info p {
      color: #CBD5E1;
      font-size: 0.95rem;
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .contact-support-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .contact-support-features li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.9rem;
      color: #E2E8F0;
    }
    .contact-support-features li i {
      color: var(--accent);
      font-size: 1.1rem;
    }
    .contact-form-side {
      padding: 56px 44px;
      background: #FFFFFF;
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--brand-indigo);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .form-radio-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }
    .radio-pill {
      position: relative;
    }
    .radio-pill input {
      position: absolute;
      opacity: 0;
      cursor: pointer;
    }
    .radio-label {
      display: block;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      color: var(--text-muted);
      text-align: center;
      cursor: pointer;
      transition: var(--transition);
      background: var(--bg-page);
    }
    .radio-pill input:checked + .radio-label {
      border-color: var(--brand-indigo);
      background: rgba(37, 99, 235, 0.08);
      color: var(--brand-indigo);
      font-weight: 700;
    }
    .site-footer {
      background-color: #07111D;
      color: #94A3B8;
      padding: 80px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.88rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 64px;
    }
    .footer-brand h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand p {
      line-height: 1.8;
      margin-bottom: 24px;
      font-size: 0.88rem;
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-nav-list a:hover {
      color: var(--accent);
      padding-left: 4px;
    }
    .footer-contact-info li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 14px;
      line-height: 1.6;
    }
    .footer-contact-info i {
      color: var(--brand-blue);
      margin-top: 3px;
    }
    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
    }
    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }
    .modal-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(8px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .modal-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      max-width: 680px;
      width: 100%;
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      position: relative;
    }
    .modal-header {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .modal-header h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
    }
    .modal-close-btn {
      background: none;
      border: none;
      font-size: 1.3rem;
      cursor: pointer;
      color: var(--text-muted);
    }
    .modal-body {
      padding: 24px;
      line-height: 1.8;
      color: var(--text-muted);
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @media (max-width: 1024px) {
      .adv-grid { grid-template-columns: repeat(2, 1fr); }
      .products-grid { grid-template-columns: 1fr; }
      .product-column.featured { transform: none; }
      .comparison-grid { grid-template-columns: 1fr; }
      .milestones-grid { grid-template-columns: repeat(2, 1fr); }
      .milestone-item:not(:last-child)::after { display: none; }
      .reviews-grid { grid-template-columns: 1fr; }
      .security-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .partners-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 768px) {
      .header-nav .container { height: 64px; }
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        gap: 16px;
      }
      .nav-links.show { display: flex; }
      .top-bar { display: none; }
      .hero-content-wrapper h1 { font-size: 2.2rem; }
      .hero-metrics-bar { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
      .arch-wrapper { grid-template-columns: 1fr; gap: 32px; }
      .case-card-hero { grid-template-columns: 1fr; }
      .case-card-body { padding: 24px; }
      .case-stats-grid { grid-template-columns: 1fr; }
      .fission-banner-box { grid-template-columns: 1fr; padding: 28px 20px; }
      .news-wrapper { grid-template-columns: 1fr; }
      .security-grid { grid-template-columns: 1fr; }
      .contact-wrapper { grid-template-columns: 1fr; }
      .contact-left-info, .contact-form-side { padding: 32px 20px; }
      .form-radio-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }
