/* roulang page: index */
:root {
      --cms-primary: #0A2540;
      --cms-primary-dark: #06152B;
      --cms-accent: #00D084;
      --cms-secondary: #FF6B00;
      --cms-bg-light: #F8FAFC;
      --cms-white: #FFFFFF;
      --cms-text-main: #1E293B;
      --cms-text-muted: #64748B;
      --cms-border: #E2E8F0;
      --cms-card-shadow: 0 4px 20px rgba(10, 37, 64, 0.05);
      --cms-hover-shadow: 0 12px 30px rgba(10, 37, 64, 0.12);
      --cms-radius-sm: 8px;
      --cms-radius-md: 12px;
      --cms-radius-lg: 16px;
      --cms-transition: all 0.3s ease;
    }

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--cms-bg-light);
      color: var(--cms-text-main);
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--cms-primary);
      font-weight: 700;
      line-height: 1.35;
    }

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

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

    /* Top Bar */
    .top-bar {
      background-color: var(--cms-primary-dark);
      color: #94A3B8;
      font-size: 13px;
      height: 38px;
      line-height: 38px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .top-bar .live-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: var(--cms-accent);
      border-radius: 50%;
      margin-right: 6px;
      box-shadow: 0 0 8px var(--cms-accent);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 0.4; }
      50% { opacity: 1; }
      100% { opacity: 0.4; }
    }

    /* Main Navbar */
    .main-navbar {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--cms-border);
      padding: 14px 0;
      transition: var(--cms-transition);
    }
    .navbar-brand {
      font-size: 21px;
      font-weight: 800;
      color: var(--cms-primary) !important;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .navbar-brand i {
      color: var(--cms-accent);
      font-size: 26px;
    }
    .navbar-nav .nav-link {
      color: var(--cms-text-main);
      font-weight: 600;
      font-size: 15px;
      padding: 8px 18px !important;
      border-radius: var(--cms-radius-sm);
      transition: var(--cms-transition);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--cms-primary);
      background-color: rgba(10, 37, 64, 0.04);
    }
    .btn-brand-accent {
      background-color: var(--cms-accent);
      color: var(--cms-primary-dark);
      font-weight: 700;
      padding: 10px 24px;
      border-radius: 30px;
      border: none;
      transition: var(--cms-transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-accent:hover {
      background-color: #02ba76;
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(0, 208, 132, 0.35);
    }
    .btn-brand-outline {
      border: 2px solid var(--cms-primary);
      color: var(--cms-primary);
      font-weight: 700;
      padding: 9px 22px;
      border-radius: 30px;
      background: transparent;
      transition: var(--cms-transition);
    }
    .btn-brand-outline:hover {
      background-color: var(--cms-primary);
      color: var(--cms-white);
    }

    /* Section Styles */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-alt {
      background-color: #F1F5F9;
    }
    .section-dark {
      background-color: var(--cms-primary-dark);
      color: #E2E8F0;
    }
    .section-dark h2, .section-dark h3, .section-dark h4 {
      color: var(--cms-white);
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--cms-primary);
      background: rgba(10, 37, 64, 0.08);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(0, 208, 132, 0.15);
      color: var(--cms-accent);
    }
    .section-title {
      font-size: 32px;
      margin-bottom: 16px;
    }
    .section-desc {
      color: var(--cms-text-muted);
      font-size: 16px;
      max-width: 820px;
      line-height: 1.8;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Cards */
    .cms-card {
      background: var(--cms-white);
      border-radius: var(--cms-radius-md);
      border: 1px solid var(--cms-border);
      box-shadow: var(--cms-card-shadow);
      padding: 30px;
      height: 100%;
      transition: var(--cms-transition);
    }
    .cms-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--cms-hover-shadow);
      border-color: var(--cms-accent);
    }
    .cms-icon-box {
      width: 58px;
      height: 58px;
      border-radius: var(--cms-radius-sm);
      background: rgba(10, 37, 64, 0.05);
      color: var(--cms-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 26px;
      margin-bottom: 20px;
      transition: var(--cms-transition);
    }
    .cms-card:hover .cms-icon-box {
      background-color: var(--cms-accent);
      color: var(--cms-primary-dark);
      transform: scale(1.05);
    }

    /* Hero Section (5:7 slant split layout) */
    .hero-section {
      background: linear-gradient(135deg, #06152B 0%, #0A2540 100%);
      color: var(--cms-white);
      padding: 95px 0 85px;
      position: relative;
      overflow: hidden;
    }
    .hero-section::before {
      content: "";
      position: absolute;
      top: -100px;
      right: -100px;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(0,208,132,0.15) 0%, rgba(0,0,0,0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero-title {
      font-size: 40px;
      color: var(--cms-white);
      font-weight: 800;
      margin-bottom: 22px;
      line-height: 1.3;
    }
    .hero-lead {
      color: #CBD5E1;
      font-size: 16px;
      line-height: 1.85;
      margin-bottom: 30px;
    }
    .hero-img-wrap {
      position: relative;
      border-radius: var(--cms-radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-img-wrap img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .floating-kpi-badge {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(6, 21, 43, 0.88);
      backdrop-filter: blur(8px);
      padding: 14px 20px;
      border-radius: var(--cms-radius-sm);
      border: 1px solid rgba(0, 208, 132, 0.4);
      color: #FFF;
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .floating-kpi-badge .kpi-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--cms-accent);
      line-height: 1;
    }

    /* Product Matrix Badge */
    .featured-ribbon {
      position: absolute;
      top: 15px;
      right: 15px;
      background: var(--cms-accent);
      color: var(--cms-primary-dark);
      font-size: 12px;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }

    /* News Cards */
    .news-card-img {
      height: 190px;
      object-fit: cover;
      width: 100%;
      border-top-left-radius: var(--cms-radius-md);
      border-top-right-radius: var(--cms-radius-md);
    }

    /* Form Styling */
    .form-control, .form-select {
      border: 1px solid var(--cms-border);
      border-radius: var(--cms-radius-sm);
      padding: 12px 16px;
      font-size: 14px;
      transition: var(--cms-transition);
    }
    .form-control:focus, .form-select:focus {
      border-color: var(--cms-accent);
      box-shadow: 0 0 0 0.25rem rgba(0, 208, 132, 0.25);
    }

    /* Footer */
    footer {
      background-color: var(--cms-primary-dark);
      color: #94A3B8;
      font-size: 14px;
      padding-top: 60px;
      padding-bottom: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    footer h5 {
      color: var(--cms-white);
      font-size: 16px;
      margin-bottom: 22px;
      font-weight: 700;
    }
    footer ul {
      list-style: none;
      padding: 0;
    }
    footer ul li {
      margin-bottom: 12px;
    }
    footer ul li a {
      color: #94A3B8;
    }
    footer ul li a:hover {
      color: var(--cms-accent);
      padding-left: 4px;
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 13px;
    }

    @media (max-width: 991px) {
      .hero-title {
        font-size: 30px;
      }
      .hero-img-wrap {
        margin-top: 35px;
      }
      .hero-img-wrap img {
        height: 320px;
      }
    }