/* roulang page: index */
:root {
      --primary: #0F141C;
      --accent: #FF5E1E;
      --accent-hover: #E04E15;
      --secondary: #2A3241;
      --base-light: #F8FAFC;
      --text-main: #0B0F17;
      --text-body: #4A5568;
      --text-muted: #8C9BAE;
      --dark-surface: #0B0E14;
      --dark-card: #151B26;
      --dark-border: rgba(255, 255, 255, 0.08);
      --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    }

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

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

    body {
      font-family: var(--font-family);
      background-color: #FFFFFF;
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.2s ease;
    }

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Auxiliary Bar */
    .top-bar {
      background: var(--primary);
      color: #94A3B8;
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      padding: 8px 0;
    }

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

    .top-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #38BDF8;
    }

    .top-badge-dot {
      width: 7px;
      height: 7px;
      background: #10B981;
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px #10B981;
    }

    /* Main Navigation */
    .navbar {
      background: #FFFFFF;
      border-bottom: 1px solid #E2E8F0;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }

    .brand-logo {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
      letter-spacing: -0.02em;
    }

    .brand-logo span {
      color: var(--accent);
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 28px;
    }

    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 0;
      position: relative;
    }

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

    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
    }

    .btn-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 22px;
      background: var(--accent);
      color: #FFFFFF !important;
      font-size: 14px;
      font-weight: 600;
      border-radius: 6px;
      border: 1px solid var(--accent);
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .btn-cta:hover {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      transform: translateY(-1px);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 22px;
      background: transparent;
      color: #FFFFFF;
      font-size: 14px;
      font-weight: 600;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.3);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #FFFFFF;
    }

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

    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      margin: 4px 0;
    }

    /* Section Global */
    section {
      padding: 96px 0;
      position: relative;
    }

    .section-header {
      margin-bottom: 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.05em;
      color: var(--accent);
      background: rgba(255, 94, 30, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-body);
      max-width: 780px;
      line-height: 1.6;
    }

    /* Section 1: Hero Banner (Assessment & Interactive Blueprint) */
    .hero-section {
      background-color: var(--primary);
      background-image: linear-gradient(135deg, rgba(15, 20, 28, 0.95), rgba(15, 20, 28, 0.88)), url('/assets/images/29c4bf96849be4d9.png');
      background-size: cover;
      background-position: center;
      padding: 104px 0 96px 0;
      color: #FFFFFF;
      position: relative;
    }

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

    .hero-content h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.22;
      color: #FFFFFF;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }

    .hero-desc {
      font-size: 16px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 36px;
    }

    .hero-tag-item {
      font-size: 13px;
      color: #E2E8F0;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 6px 14px;
      border-radius: 4px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
    }

    /* Hero Assessment Panel */
    .hero-assessment-card {
      background: var(--dark-card);
      border: 1px solid var(--dark-border);
      border-radius: 8px;
      padding: 32px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .assessment-badge {
      font-size: 12px;
      color: #38BDF8;
      font-weight: 600;
      margin-bottom: 12px;
      display: inline-block;
    }

    .assessment-title {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
    }

    .assessment-intro {
      font-size: 14px;
      color: #94A3B8;
      margin-bottom: 24px;
      line-height: 1.5;
    }

    .assessment-options {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .option-label {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #E2E8F0;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 10px 14px;
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .option-label:hover {
      border-color: var(--accent);
      background: rgba(255, 94, 30, 0.05);
    }

    .option-label input {
      accent-color: var(--accent);
    }

    .assessment-result {
      background: rgba(0, 0, 0, 0.25);
      border: 1px dashed rgba(255, 255, 255, 0.15);
      border-radius: 6px;
      padding: 14px;
      font-size: 13px;
      color: #CBD5E1;
      margin-bottom: 20px;
    }

    /* Section 2: About Infrastructure */
    .about-section {
      background: var(--base-light);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .spec-matrix-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: 8px;
      padding: 32px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 10px 20px rgba(0,0,0,0.02);
    }

    .matrix-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      border-bottom: 1px solid #EDF2F7;
      padding-bottom: 12px;
    }

    .spec-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px dashed #E2E8F0;
      font-size: 14px;
    }

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

    .spec-label {
      color: var(--text-body);
      font-weight: 500;
    }

    .spec-val {
      font-weight: 700;
      color: var(--text-main);
    }

    /* Section 3: Core Features (6 Cards) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: 8px;
      padding: 32px 28px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.03);
      transition: all 0.2s ease;
    }

    .feature-card:hover {
      border-color: #CBD5E1;
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    }

    .feature-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 6px;
      background: rgba(255, 94, 30, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-weight: 800;
      font-size: 18px;
      margin-bottom: 20px;
    }

    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* Section 4: Hot Products */
    .products-section {
      background: #F1F5F9;
    }

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

    .product-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    }

    .product-img {
      width: 100%;
      height: 190px;
      object-fit: cover;
    }

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

    .product-badge {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(255, 94, 30, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

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

    .product-desc {
      font-size: 14px;
      color: var(--text-body);
      margin-bottom: 18px;
      line-height: 1.6;
      flex: 1;
    }

    .product-specs {
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid #EDF2F7;
      padding-top: 14px;
      margin-bottom: 18px;
    }

    .btn-card {
      background: var(--primary);
      color: #FFFFFF;
      text-align: center;
      padding: 9px 16px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 600;
    }

    .btn-card:hover {
      background: #1E293B;
    }

    /* Section 5: Showcase (Dark Immersive) */
    .showcase-section {
      background: var(--dark-surface);
      color: #FFFFFF;
    }

    .showcase-section .section-title {
      color: #FFFFFF;
    }

    .showcase-section .section-subtitle {
      color: #94A3B8;
    }

    .showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .showcase-item {
      background: var(--dark-card);
      border: 1px solid var(--dark-border);
      border-radius: 8px;
      overflow: hidden;
    }

    .showcase-img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }

    .showcase-content {
      padding: 24px;
    }

    .showcase-tag {
      font-size: 12px;
      color: #38BDF8;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .showcase-h3 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
    }

    .showcase-text {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* Section 6: Application Scenes */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scene-box {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: 8px;
      padding: 24px 20px;
      text-align: center;
      transition: all 0.2s ease;
    }

    .scene-box:hover {
      border-color: var(--accent);
      transform: translateY(-2px);
    }

    .scene-icon {
      font-size: 28px;
      color: var(--accent);
      margin-bottom: 14px;
    }

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

    .scene-detail {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.5;
    }

    /* Section 7: Metrics Banner */
    .metrics-section {
      background: #1A2230;
      color: #FFFFFF;
      padding: 64px 0;
      border-top: 1px solid rgba(255,255,255,0.06);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

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

    .metric-col {
      border-right: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0 16px;
    }

    .metric-col:last-child {
      border-right: none;
    }

    .metric-num {
      font-size: 40px;
      font-weight: 800;
      color: #FFFFFF;
      letter-spacing: -0.03em;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-num span {
      font-size: 18px;
      color: var(--accent);
      font-weight: 700;
    }

    .metric-label {
      font-size: 13px;
      color: #94A3B8;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    /* Section 8: Comparison Matrix */
    .comparison-section {
      background: var(--base-light);
    }

    .comp-table {
      width: 100%;
      border-collapse: collapse;
      background: #FFFFFF;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid #E2E8F0;
    }

    .comp-table th, .comp-table td {
      padding: 18px 24px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid #EDF2F7;
    }

    .comp-table th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
    }

    .comp-table th.highlight-col, .comp-table td.highlight-col {
      background: rgba(255, 94, 30, 0.03);
      color: var(--text-main);
      font-weight: 600;
      border-left: 1px solid rgba(255, 94, 30, 0.15);
      border-right: 1px solid rgba(255, 94, 30, 0.15);
    }

    .comp-table tr:last-child td {
      border-bottom: none;
    }

    /* Section 9: Stories */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .story-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: 8px;
      padding: 32px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    }

    .story-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      border-bottom: 1px solid #F1F5F9;
      padding-bottom: 12px;
    }

    .story-firm {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .story-sla {
      font-size: 12px;
      font-weight: 600;
      color: #10B981;
      background: #ECFDF5;
      padding: 3px 8px;
      border-radius: 4px;
    }

    .story-quote {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 18px;
    }

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

    /* Section 10: News & Architecture Dynamics */
    .news-section {
      background: #F8FAFC;
    }

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

    .news-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: 8px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    /* Section 11: FAQ Accordion */
    .faq-container {
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid #E2E8F0;
      border-radius: 6px;
      margin-bottom: 12px;
      overflow: hidden;
      background: #FFFFFF;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: #FFFFFF;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      border: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: #F8FAFC;
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      background: #FAFAFA;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

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

    /* Section 12: Delivery Assurance & Contact */
    .contact-section {
      background: var(--primary);
      color: #FFFFFF;
    }

    .contact-section .section-title {
      color: #FFFFFF;
    }

    .contact-section .section-subtitle {
      color: #94A3B8;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: start;
    }

    .assurance-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .assurance-item {
      background: var(--dark-card);
      border: 1px solid var(--dark-border);
      border-radius: 8px;
      padding: 20px;
    }

    .assurance-title {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .assurance-title::before {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 2px;
    }

    .assurance-desc {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
    }

    .contact-form-box {
      background: var(--dark-card);
      border: 1px solid var(--dark-border);
      border-radius: 8px;
      padding: 32px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      color: #CBD5E1;
      margin-bottom: 6px;
      font-weight: 600;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      background: #0B0F17;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 6px;
      padding: 12px 14px;
      color: #FFFFFF;
      font-size: 14px;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(255, 94, 30, 0.2);
    }

    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    .form-submit-btn {
      width: 100%;
      padding: 13px;
      background: var(--accent);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .form-submit-btn:hover {
      background: var(--accent-hover);
    }

    /* Sticky Bottom Bar */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 20, 28, 0.94);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 12px 0;
      z-index: 999;
      transform: translateY(100%);
      transition: transform 0.3s ease;
    }

    .sticky-bottom-bar.visible {
      transform: translateY(0);
    }

    .sticky-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .sticky-claim {
      font-size: 14px;
      color: #F1F5F9;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .sticky-tag {
      background: rgba(255, 94, 30, 0.15);
      border: 1px solid var(--accent);
      color: var(--accent);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    /* Footer */
    footer {
      background: #07090D;
      color: #94A3B8;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 64px 0 32px 0;
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 48px;
    }

    .footer-logo {
      font-size: 18px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: inline-block;
    }

    .footer-logo span {
      color: var(--accent);
    }

    .footer-about {
      font-size: 13px;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 16px;
    }

    .footer-h4 {
      font-size: 14px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 13px;
      color: #94A3B8;
    }

    .footer-links a:hover {
      color: var(--accent);
    }

    .footer-contact-item {
      font-size: 13px;
      line-height: 1.8;
      color: #94A3B8;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .about-grid, .contact-grid, .showcase-grid, .stories-grid {
        grid-template-columns: 1fr;
      }
      .features-grid, .products-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenes-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 767px) {
      section {
        padding: 64px 0;
      }
      .top-bar-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        padding: 20px 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
      }
      .nav-links.open {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .features-grid, .products-grid, .news-grid, .scenes-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .metric-col {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 16px 0;
      }
      .metric-col:last-child {
        border-bottom: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .sticky-inner {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }