/* roulang page: index */
:root {
      --primary: #0F5B46;
      --primary-light: #10B981;
      --primary-dark: #0A3C2E;
      --accent: #FF6B35;
      --accent-hover: #E85A26;
      --bg-surface: #F8FAFC;
      --bg-card: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-sub: #94A3B8;
      --border-color: rgba(15, 91, 70, 0.12);
      --dark-deep: #0A231C;
      --shadow-sm: 0 2px 10px rgba(15, 91, 70, 0.04);
      --shadow-md: 0 8px 30px rgba(15, 91, 70, 0.08);
      --shadow-hover: 0 16px 36px rgba(15, 91, 70, 0.14);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-surface);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      outline: none;
    }

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

    /* Top Utility Bar */
    .top-bar {
      background-color: var(--dark-deep);
      color: #CBD5E1;
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .top-bar-item b {
      color: #FFFFFF;
    }

    /* Header Nav */
    header {
      position: sticky;
      top: 0;
      z-index: 99;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 1px 12px rgba(15, 91, 70, 0.06);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
    }
    .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 900;
      font-size: 1.2rem;
      box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      font-weight: 600;
      font-size: 0.95rem;
      background-color: var(--accent);
      color: #fff;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }
    .btn-cta:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-weight: 600;
      font-size: 0.95rem;
      background-color: rgba(15, 91, 70, 0.08);
      color: var(--primary);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .btn-secondary:hover {
      background-color: var(--primary);
      color: #fff;
    }
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
    }
    .menu-toggle span {
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* Section Foundations */
    section {
      padding: 72px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
      border-top: 1px solid rgba(15, 91, 70, 0.06);
      border-bottom: 1px solid rgba(15, 91, 70, 0.06);
    }
    .section-dark {
      background-color: var(--dark-deep);
      color: #FFFFFF;
    }
    .section-head {
      margin-bottom: 46px;
    }
    .section-head.center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(16, 185, 129, 0.12);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 100px;
      margin-bottom: 12px;
    }
    .section-dark .section-tag {
      background: rgba(16, 185, 129, 0.2);
      color: #6EE7B7;
    }
    .section-title {
      font-size: clamp(1.8rem, 3.2vw, 2.3rem);
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Section 1: Hero Banner (Landing Style) */
    .hero-section {
      background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 50%),
                  linear-gradient(180deg, #F0FDF4 0%, var(--bg-surface) 100%);
      padding: 70px 0 80px;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-h1 {
      font-size: clamp(2.2rem, 4.4vw, 3.4rem);
      font-weight: 800;
      line-height: 1.2;
      color: var(--primary-dark);
      margin-bottom: 20px;
    }
    .hero-h1 span {
      color: var(--accent);
    }
    .hero-intro {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.8;
    }
    .hero-checklist {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px 18px;
      margin-bottom: 34px;
    }
    .hero-checklist li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: var(--text-main);
      font-size: 0.95rem;
    }
    .hero-checklist li svg {
      color: var(--primary-light);
      flex-shrink: 0;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 30px;
    }
    .hero-trust-band {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 0.88rem;
      color: var(--text-sub);
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
    }
    .hero-media-wrapper {
      position: relative;
    }
    .hero-media-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-hover);
      border: 4px solid #FFFFFF;
      position: relative;
    }
    .hero-media-card img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .hero-floating-stat {
      position: absolute;
      bottom: 24px;
      left: 20px;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
      border-left: 4px solid var(--accent);
    }
    .hero-floating-stat p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 2px;
    }
    .hero-floating-stat strong {
      font-size: 1.4rem;
      color: var(--primary-dark);
      font-family: DIN Alternate, "Roboto", monospace;
    }

    /* Section 2: KPI Metrics Bar */
    .kpi-section {
      padding: 36px 0;
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .kpi-card {
      padding: 18px 20px;
      border-left: 3px solid var(--primary-light);
    }
    .kpi-number {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--primary);
      font-family: DIN Alternate, "Roboto", monospace;
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .kpi-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .kpi-desc {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* Section 3: Service & Functional Matrix */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .feature-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 91, 70, 0.3);
    }
    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: rgba(16, 185, 129, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.5rem;
      margin-bottom: 18px;
    }
    .feature-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .feature-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
      margin-bottom: 16px;
    }
    .feature-list {
      list-style: none;
      border-top: 1px dashed rgba(15, 91, 70, 0.15);
      padding-top: 14px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .feature-list li {
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* Section 4: Operational Scenario Architecture */
    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .scenario-img-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .scenario-img-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .scenario-item {
      margin-bottom: 22px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .scenario-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    .scenario-item h3 {
      font-size: 1.15rem;
      color: var(--primary-dark);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .scenario-item p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Section 5: Editions & Pricing Comparison */
    .editions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .edition-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .edition-card.featured {
      border: 2px solid var(--accent);
      transform: scale(1.03);
      box-shadow: 0 18px 40px rgba(255, 107, 53, 0.15);
      z-index: 2;
    }
    .edition-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #fff;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 18px;
      border-radius: 100px;
      letter-spacing: 0.5px;
    }
    .edition-name {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .edition-scope {
      font-size: 0.9rem;
      color: var(--text-sub);
      margin-bottom: 20px;
    }
    .edition-features {
      list-style: none;
      margin: 20px 0 28px;
      flex-grow: 1;
    }
    .edition-features li {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .edition-features li svg {
      color: var(--primary-light);
      flex-shrink: 0;
    }

    /* Section 6: Methodology & Dark Step Band */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 40px;
    }
    .step-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 26px;
      position: relative;
    }
    .step-badge {
      display: inline-block;
      width: 38px;
      height: 38px;
      background: var(--primary-light);
      color: var(--dark-deep);
      font-weight: 800;
      border-radius: 50%;
      text-align: center;
      line-height: 38px;
      margin-bottom: 16px;
    }
    .step-item h3 {
      font-size: 1.15rem;
      color: #FFFFFF;
      margin-bottom: 8px;
    }
    .step-item p {
      font-size: 0.88rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* Section 7: Result Contrast Table (We vs Traditional) */
    .contrast-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .contrast-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .contrast-table th, .contrast-table td {
      padding: 18px 24px;
      font-size: 0.95rem;
      border-bottom: 1px solid rgba(15, 91, 70, 0.08);
    }
    .contrast-table th {
      background: #F1F5F9;
      font-weight: 700;
      color: var(--text-main);
    }
    .contrast-table tr:last-child td {
      border-bottom: none;
    }
    .contrast-table td.brand-col {
      background: rgba(16, 185, 129, 0.05);
      color: var(--primary);
      font-weight: 600;
    }

    /* Section 8: Hardware & Open Ecosystem */
    .eco-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .eco-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .eco-card h3 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .eco-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 9: Real Customer Stories & Case Cards */
    .story-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .story-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      box-shadow: var(--shadow-sm);
    }
    .story-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-content {
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .story-tag {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .story-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .story-quote {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      font-style: italic;
      margin-bottom: 14px;
    }
    .story-author {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* Section 10: Industry Knowledge & News Strip */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-img {
      height: 190px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      font-size: 0.8rem;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }    .news-link {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .news-link:hover {
      color: var(--accent);
    }

    /* Section 11: High-Frequency FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-header {
      padding: 22px 26px;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-header:hover {
      color: var(--primary);
    }
    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(15, 91, 70, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      color: var(--primary);
      transition: var(--transition);
      flex-shrink: 0;
    }
    .faq-card.open .faq-icon {
      transform: rotate(45deg);
      background: var(--accent);
      color: #FFFFFF;
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #FAFAFC;
    }
    .faq-card.open .faq-content {
      max-height: 300px;
      transition: max-height 0.35s ease-in-out;
    }
    .faq-body {
      padding: 0 26px 22px 26px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 12: Trust, SLA & Service Security Strip */
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .security-card {
      background: #FFFFFF;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .security-icon {
      font-size: 1.8rem;
      color: var(--primary-light);
      flex-shrink: 0;
    }
    .security-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .security-card p {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* Section 13: Closing Conversion Area (CTA Form) */
    .cta-card {
      background: linear-gradient(135deg, var(--dark-deep) 0%, var(--primary-dark) 100%);
      border-radius: var(--radius-lg);
      padding: 50px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-hover);
      position: relative;
      overflow: hidden;
    }
    .cta-card::after {
      content: '';
      position: absolute;
      top: -100px;
      right: -100px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.25), transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .cta-left h2 {
      font-size: clamp(1.8rem, 3vw, 2.3rem);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .cta-left p {
      font-size: 1rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-highlights {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.92rem;
      color: #94A3B8;
    }
    .cta-highlights span {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cta-form-box {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px 28px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      color: var(--text-main);
    }
    .cta-form-box h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--primary-dark);
    }
    .cta-form-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #CBD5E1;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 91, 70, 0.15);
    }
    .form-submit-btn {
      width: 100%;
      padding: 12px;
      background-color: var(--accent);
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
      transition: var(--transition);
      margin-top: 6px;
    }
    .form-submit-btn:hover {
      background-color: var(--accent-hover);
    }

    /* Footer */
    footer {
      background-color: var(--dark-deep);
      color: #94A3B8;
      padding: 60px 0 26px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.92rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 46px;
    }
    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand p {
      line-height: 1.7;
      font-size: 0.9rem;
      margin-bottom: 16px;
      color: #94A3B8;
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }
    .footer-contact-item strong {
      color: #FFFFFF;
    }
    .footer-bottom {
      padding-top: 24px;
      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: 0.85rem;
    }
    .footer-bottom a {
      color: #94A3B8;
    }
    .footer-bottom a:hover {
      color: #FFFFFF;
    }

    /* Modal / Toast Notification */
    .toast-notice {
      position: fixed;
      bottom: 24px;
      right: 24px;
      background: var(--dark-deep);
      color: #FFFFFF;
      padding: 14px 22px;
      border-radius: var(--radius-sm);
      box-shadow: 0 10px 30px rgba(0,0,0,0.3);
      border-left: 4px solid var(--accent);
      z-index: 999;
      transform: translateY(120%);
      transition: transform 0.3s ease;
      font-size: 0.92rem;
    }
    .toast-notice.show {
      transform: translateY(0);
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-media-wrapper {
        order: -1;
      }
      .hero-media-card img {
        height: 340px;
      }
      .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .editions-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
      }
      .edition-card.featured {
        transform: none;
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .story-grid {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .security-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-card {
        grid-template-columns: 1fr;
        padding: 36px 28px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-action .btn-secondary {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .mobile-menu {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
        padding: 20px 24px;
        display: none;
        flex-direction: column;
        gap: 16px;
        z-index: 98;
      }
      .mobile-menu.open {
        display: flex;
      }
      .mobile-menu a {
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--text-main);
        padding: 10px 0;
        border-bottom: 1px solid rgba(15, 91, 70, 0.08);
      }
      .hero-checklist {
        grid-template-columns: 1fr;
      }
      .scenario-grid {
        grid-template-columns: 1fr;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .eco-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .security-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .top-bar {
        display: none;
      }
      .kpi-grid {
        grid-template-columns: 1fr;
      }
      .feature-grid {
        grid-template-columns: 1fr;
      }
      .eco-grid {
        grid-template-columns: 1fr;
      }
      .story-card {
        grid-template-columns: 1fr;
      }
      .story-card img {
        height: 200px;
      }
    }