/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --brand-deep: #0A3D2B;
      --brand-primary: #0F5B3E;
      --brand-light: #1A7A54;
      --brand-accent: #F5A623;
      --brand-soft: #F7F9F8;
      --text-main: #3A4A42;
      --text-muted: #6B7D75;
      --alert: #E94E3C;
      --white: #FFFFFF;
      --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
      --shadow-xl: 0 12px 28px rgba(0,0,0,0.10);
      --radius-2xl: 16px;
      --radius-3xl: 24px;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
      background-color: #F7F9F8;
      color: #3A4A42;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    .app-shell {
      display: flex;
      min-height: 100vh;
    }
    .side-nav {
      width: 5rem;
      background: linear-gradient(180deg, #0A3D2B 0%, #0F5B3E 100%);
      position: fixed;
      left: 0;
      top: 0;
      height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 1.5rem 0.75rem;
      z-index: 40;
      box-shadow: 2px 0 15px rgba(0,0,0,0.1);
      transition: width 0.2s ease;
    }
    @media (min-width: 1024px) {
      .side-nav {
        width: 16rem;
        align-items: flex-start;
        padding: 2rem 1.5rem;
      }
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 2.5rem;
      width: 100%;
      justify-content: center;
    }
    @media (min-width: 1024px) {
      .logo-area {
        justify-content: flex-start;
      }
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: #F5A623;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #0A3D2B;
      font-size: 1.2rem;
      flex-shrink: 0;
    }
    .logo-text {
      color: white;
      font-weight: 700;
      font-size: 1.25rem;
      letter-spacing: 0.5px;
      display: none;
      white-space: nowrap;
    }
    @media (min-width: 1024px) {
      .logo-text {
        display: block;
      }
    }
    .nav-links {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      width: 100%;
      flex: 1;
    }
    .nav-item {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.7rem 0.5rem;
      border-radius: 12px;
      color: rgba(255,255,255,0.7);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.9rem;
      transition: all 0.2s;
      justify-content: center;
      position: relative;
    }
    @media (min-width: 1024px) {
      .nav-item {
        justify-content: flex-start;
        padding: 0.7rem 1rem;
      }
    }
    .nav-item:hover {
      background: rgba(255,255,255,0.1);
      color: white;
    }
    .nav-item.active {
      color: white;
      background: rgba(255,255,255,0.15);
    }
    .nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 8px;
      bottom: 8px;
      width: 4px;
      background: #F5A623;
      border-radius: 0 4px 4px 0;
    }
    .nav-icon {
      font-size: 1.3rem;
      width: 24px;
      text-align: center;
      flex-shrink: 0;
    }
    .nav-label {
      display: none;
      white-space: nowrap;
    }
    @media (min-width: 1024px) {
      .nav-label {
        display: inline;
      }
    }
    .nav-cta {
      margin-top: auto;
      width: 100%;
      background: #F5A623;
      color: #0A3D2B;
      font-weight: 700;
      padding: 0.6rem 0.5rem;
      border-radius: 12px;
      text-align: center;
      transition: background 0.2s;
      text-decoration: none;
      font-size: 0.85rem;
    }
    .nav-cta:hover {
      background: #E09510;
    }
    .main-content {
      margin-left: 5rem;
      flex: 1;
      width: calc(100% - 5rem);
    }
    @media (min-width: 1024px) {
      .main-content {
        margin-left: 16rem;
        width: calc(100% - 16rem);
      }
    }
    .mobile-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 1.25rem;
      height: 64px;
      background: white;
      border-bottom: 1px solid #e5e7eb;
      position: sticky;
      top: 0;
      z-index: 30;
    }
    @media (min-width: 768px) {
      .mobile-header {
        display: none;
      }
    }
    .hamburger {
      font-size: 1.8rem;
      background: none;
      border: none;
      color: #0A3D2B;
      cursor: pointer;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(180deg, #0A3D2B, #0F5B3E);
      z-index: 50;
      transform: translateX(-100%);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      padding: 2rem;
    }
    .mobile-drawer.open {
      transform: translateX(0);
    }
    .drawer-close {
      align-self: flex-end;
      background: none;
      border: none;
      color: white;
      font-size: 2rem;
      cursor: pointer;
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      margin-top: 3rem;
    }
    .drawer-nav a {
      color: white;
      font-size: 1.3rem;
      text-decoration: none;
      font-weight: 500;
    }
    .section-padding {
      padding: 4rem 1.5rem;
    }
    @media (min-width: 768px) {
      .section-padding {
        padding: 5rem 2.5rem;
      }
    }
    .card-hover {
      transition: all 0.25s ease;
      background: white;
      border-radius: 16px;
      box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    }
    .card-hover:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 30px rgba(0,0,0,0.08);
    }
    .badge-accent {
      background: rgba(245,166,35,0.15);
      color: #B87B14;
      font-weight: 700;
      font-size: 0.7rem;
      padding: 0.25rem 0.9rem;
      border-radius: 999px;
      letter-spacing: 0.3px;
    }
    .btn-primary {
      background: #F5A623;
      color: white;
      font-weight: 600;
      padding: 0.85rem 2rem;
      border-radius: 12px;
      display: inline-block;
      transition: all 0.2s;
      text-decoration: none;
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      background: #E09510;
      transform: scale(1.03);
    }
    .btn-outline {
      border: 2px solid #F5A623;
      color: #F5A623;
      background: transparent;
      font-weight: 600;
      padding: 0.8rem 1.8rem;
      border-radius: 12px;
      transition: 0.2s;
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline:hover {
      background: #F5A623;
      color: white;
    }
    .ghost-btn {
      border: 2px solid rgba(255,255,255,0.6);
      color: white;
      background: transparent;
      font-weight: 600;
      padding: 0.8rem 2rem;
      border-radius: 12px;
      transition: 0.2s;
    }
    .ghost-btn:hover {
      background: rgba(255,255,255,0.15);
      border-color: white;
    }
    .data-badge {
      background: rgba(245,166,35,0.2);
      color: #F5A623;
      font-weight: 700;
      font-size: 0.8rem;
      padding: 0.2rem 1rem;
      border-radius: 30px;
    }
    .hero-gradient {
      background: linear-gradient(135deg, #0A3D2B 0%, #0F5B3E 40%, #1A7A54 100%);
      position: relative;
      overflow: hidden;
    }
    .hero-gradient::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" opacity="0.08"><path d="M20 20 L180 20 L180 180 L20 180 Z" fill="none" stroke="white" stroke-width="1"/><circle cx="80" cy="80" r="30" fill="none" stroke="white" stroke-width="0.8"/><path d="M0 100 Q50 20 100 100 T200 100" fill="none" stroke="white" stroke-width="0.7"/></svg>');
      background-size: cover;
      pointer-events: none;
    }
    .scroll-container {
      display: flex;
      overflow-x: auto;
      gap: 1.5rem;
      padding-bottom: 1rem;
      scroll-snap-type: x mandatory;
      -webkit-overflow-scrolling: touch;
    }
    .scroll-container::-webkit-scrollbar {
      display: none;
    }
    .scroll-card {
      min-width: 280px;
      scroll-snap-align: start;
    }
    @media (min-width: 768px) {
      .scroll-card {
        min-width: 320px;
      }
    }
    details summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      padding: 1rem 0;
      border-bottom: 1px solid #e5e7eb;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .arrow-icon {
      transition: transform 0.3s;
    }
    details[open] .arrow-icon {
      transform: rotate(180deg);
    }