* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    }

    body {
      background: linear-gradient(145deg, #f0f8f0 0%, #e8f3e8 100%);
      min-height: 100vh;
      color: #1a2e1a;
      line-height: 1.5;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    header {
      background: linear-gradient(135deg, #0d3b1a 0%, #1a5c2e 50%, #0f451f 100%);
      color: white;
      padding: 18px 0;
      box-shadow: 0 8px 32px rgba(13, 59, 26, 0.3);
      position: relative;
      overflow: hidden;
    }

    header::before {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
      animation: shimmer 8s infinite linear;
    }

    @keyframes shimmer {
      0% { transform: translate(-30%, -30%) rotate(0deg); }
      100% { transform: translate(-30%, -30%) rotate(360deg); }
    }

    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }

    .logo {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: 1px;
      text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .logo img {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    }

    nav {
      display: flex;
      gap: 8px;
    }

    nav a {
      color: white;
      padding: 10px 18px;
      text-decoration: none;
      font-weight: 600;
      font-size: 15px;
      border-radius: 40px;
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      transition: all 0.3s ease;
    }

    nav a:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      border-color: rgba(255, 255, 255, 0.3);
    }

    nav a.active {
      background: rgba(255, 255, 255, 0.25);
      border-color: rgba(255, 255, 255, 0.4);
    }
    .hero {
      background: linear-gradient(135deg, #c5e0c5 0%, #a8d4a8 50%, #b8dfb8 100%);
      padding: 60px 0;
      border-radius: 0 0 80px 80px;
      margin-bottom: 50px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 15px 40px rgba(30, 70, 30, 0.15);
    }

    .hero .container {
      display: flex;
      align-items: center;
      gap: 40px;
    }

    .hero-content {
      flex: 1;
      position: relative;
      z-index: 1;
    }

    .hero-image {
      flex: 1;
      text-align: center;
      position: relative;
      z-index: 1;
    }

    .hero-image img {
      max-width: 100%;
      height: auto;
      border-radius: 30px;
      box-shadow: 0 25px 50px rgba(30, 70, 30, 0.2);
      animation: float 4s ease-in-out infinite;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-15px); }
    }

    .hero h1 {
      font-size: 48px;
      color: #0a2e0a;
      margin-bottom: 20px;
      font-weight: 800;
      text-shadow: 2px 2px 8px rgba(255, 255, 255, 0.5);
      animation: fadeInUp 0.8s ease;
    }

    .hero p {
      font-size: 18px;
      color: #1a3a1a;
      margin-bottom: 36px;
      opacity: 0.95;
      animation: fadeInUp 0.8s ease 0.2s both;
    }

    .hero-buttons {
      display: flex;
      gap: 20px;
      animation: fadeInUp 0.8s ease 0.4s both;
    }

    .btn-hero {
      padding: 16px 40px;
      border-radius: 60px;
      font-size: 18px;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-primary {
      background: linear-gradient(135deg, #1a5c2e 0%, #2b7a3e 100%);
      color: white;
      box-shadow: 0 12px 28px rgba(26, 92, 46, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 36px rgba(26, 92, 46, 0.45);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.8);
      color: #1a5c2e;
      border: 2px solid #2e7d32;
      backdrop-filter: blur(10px);
    }

    .btn-outline:hover {
      background: white;
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(46, 125, 50, 0.2);
    }

    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .stats-section {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: -80px;
      margin-bottom: 60px;
      position: relative;
      z-index: 10;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(20px);
      border-radius: 24px;
      padding: 28px 20px;
      text-align: center;
      box-shadow: 0 20px 40px rgba(20, 60, 20, 0.1);
      border: 1px solid rgba(180, 215, 180, 0.4);
      transition: all 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 25px 50px rgba(46, 125, 50, 0.15);
    }

    .stat-icon {
      font-size: 42px;
      margin-bottom: 16px;
    }

    .stat-number {
      font-size: 40px;
      font-weight: 800;
      color: #1a5c2e;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 16px;
      color: #456b45;
      font-weight: 500;
    }

    .section-title {
      font-size: 32px;
      color: #0f3d1a;
      margin-bottom: 16px;
      font-weight: 700;
      text-align: center;
    }

    .section-subtitle {
      font-size: 17px;
      color: #5a7e5a;
      text-align: center;
      margin-bottom: 48px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      margin-bottom: 60px;
    }

    .feature-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(20px);
      border-radius: 28px;
      padding: 36px 24px;
      text-align: center;
      box-shadow: 0 15px 30px rgba(20, 60, 20, 0.06);
      border: 1px solid rgba(180, 215, 180, 0.4);
      transition: all 0.35s ease;
      cursor: pointer;
      text-decoration: none;
      color: inherit;
      display: block;
    }

    .feature-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 30px 60px rgba(46, 125, 50, 0.12);
      border-color: #a8d4a8;
    }

    .feature-icon {
      width: 80px;
      height: 80px;
      margin: 0 auto 24px;
    }

    .feature-icon img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 25px;
    }

    .feature-title {
      font-size: 22px;
      font-weight: 700;
      color: #1a4a1a;
      margin-bottom: 12px;
    }

    .feature-desc {
      font-size: 14px;
      color: #5a7e5a;
      line-height: 1.7;
    }

    .quick-access {
      background: linear-gradient(135deg, #e4f3e4 0%, #d4ead4 100%);
      border-radius: 40px;
      padding: 48px 40px;
      margin-bottom: 60px;
    }

    .quick-title {
      font-size: 28px;
      color: #1a4a1a;
      font-weight: 700;
      text-align: center;
      margin-bottom: 40px;
    }

    .quick-grid {
      display: grid;
      grid-template-columns: repeat(8, 1fr);
      gap: 16px;
    }

    .quick-item {
      background: white;
      border-radius: 20px;
      padding: 20px 12px;
      text-align: center;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid #c8e0c8;
      text-decoration: none;
      color: inherit;
    }

    .quick-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(46, 125, 50, 0.15);
      border-color: #2e7d32;
    }

    .quick-icon {
      font-size: 32px;
      margin-bottom: 10px;
    }

    .quick-icon img {
      width: 50px;
      height: 50px;
      border-radius: 15px;
      object-fit: cover;
    }

    .quick-name {
      font-size: 14px;
      font-weight: 600;
      color: #1a4a1a;
    }

    .card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(20px);
      border-radius: 32px;
      padding: 36px 32px;
      margin-bottom: 36px;
      box-shadow: 0 20px 40px rgba(20, 60, 20, 0.08);
      border: 1px solid rgba(180, 215, 180, 0.4);
    }

    .card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 28px;
    }

    .card-header .section-title {
      text-align: left;
      margin-bottom: 0;
      font-size: 26px;
    }

    .view-all {
      color: #2e7d32;
      text-decoration: none;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .recommend-card {
      background: #f8fcf8;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid #d8ead8;
      transition: all 0.3s;
      cursor: pointer;
    }

    .recommend-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(46, 125, 50, 0.1);
    }

    .recommend-img {
      height: 180px;
      overflow: hidden;
    }

    .recommend-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }

    .recommend-card:hover .recommend-img img {
      transform: scale(1.1);
    }

    .recommend-content {
      padding: 20px;
    }

    .recommend-tag {
      display: inline-block;
      padding: 4px 12px;
      background: #e4f3e4;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      color: #2e7d32;
      margin-bottom: 10px;
    }

    .recommend-name {
      font-size: 18px;
      font-weight: 700;
      color: #1a4a1a;
      margin-bottom: 8px;
    }

    .recommend-info {
      display: flex;
      gap: 16px;
      font-size: 13px;
      color: #6b8e6b;
    }

    .knowledge-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 60px;
    }

    .knowledge-card {
      background: rgba(255, 255, 255, 0.95);
      border-radius: 24px;
      padding: 28px;
      border: 1px solid #d8ead8;
      display: flex;
      gap: 20px;
      cursor: pointer;
      transition: all 0.3s;
    }

    .knowledge-card:hover {
      transform: translateX(5px);
      box-shadow: 0 15px 30px rgba(46, 125, 50, 0.1);
      border-color: #a8d4a8;
    }

    .knowledge-icon {
      width: 60px;
      height: 60px;
      flex-shrink: 0;
    }

    .knowledge-icon img {
      width: 100%;
      height: 100%;
      border-radius: 18px;
      object-fit: cover;
    }

    .knowledge-content h4 {
      font-size: 18px;
      font-weight: 700;
      color: #1a4a1a;
      margin-bottom: 8px;
    }

    .knowledge-content p {
      font-size: 14px;
      color: #5a7e5a;
      line-height: 1.6;
    }

    .cta-section {
      background: linear-gradient(135deg, #1a5c2e 0%, #2b7a3e 100%);
      border-radius: 40px;
      padding: 56px 48px;
      text-align: center;
      margin-bottom: 60px;
      box-shadow: 0 25px 50px rgba(26, 92, 46, 0.25);
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url('https://images.unsplash.com/photo-1490818387583-1e1696e85ed1?w=1200') center/cover;
      opacity: 0.1;
      mix-blend-mode: overlay;
    }

    .cta-title {
      font-size: 36px;
      color: white;
      font-weight: 800;
      margin-bottom: 16px;
      position: relative;
    }

    .cta-desc {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 32px;
      max-width: 500px;
      margin-left: auto;
      margin-right: auto;
      position: relative;
    }

    .btn-cta {
      display: inline-block;
      padding: 18px 48px;
      background: white;
      color: #1a5c2e;
      border-radius: 60px;
      font-size: 20px;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.3s;
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
      position: relative;
    }

    .btn-cta:hover {
      transform: scale(1.05);
      box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
    }

    footer {
      background: linear-gradient(135deg, #0d3b1a 0%, #145a24 100%);
      color: white;
      padding: 48px 0 28px;
      margin-top: 20px;
      border-radius: 60px 60px 0 0;
      box-shadow: 0 -10px 30px rgba(13, 59, 26, 0.15);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand .logo {
      margin-bottom: 16px;
    }

    .footer-brand p {
      opacity: 0.8;
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-links h4 {
      font-size: 18px;
      margin-bottom: 20px;
    }

    .footer-links a {
      display: block;
      color: rgba(255, 255, 255, 0.7);
      text-decoration: none;
      margin-bottom: 12px;
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: white;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      font-size: 14px;
      opacity: 0.8;
    }

    @media (max-width: 1024px) {
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .quick-grid {
        grid-template-columns: repeat(4, 1fr);
      }
      
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .hero .container {
        flex-direction: column;
        text-align: center;
      }

      .hero-buttons {
        justify-content: center;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        flex-direction: column;
        gap: 15px;
      }

      nav {
        flex-wrap: wrap;
        justify-content: center;
      }

      .hero h1 {
        font-size: 32px;
      }

      .stats-section {
        grid-template-columns: repeat(2, 1fr);
        margin-top: -40px;
      }

      .features-grid {
        grid-template-columns: 1fr;
      }

      .quick-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .recommend-grid {
        grid-template-columns: 1fr;
      }

      .knowledge-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .stats-section {
        grid-template-columns: 1fr;
      }

      .quick-grid {
        grid-template-columns: 1fr;
      }

      .cta-title {
        font-size: 26px;
      }
    }