/* CSS Variables */
      :root {
        --primary: #6E54E8;
        --primary-light: #8B75F0;
        --primary-dark: #5A3FD9;
        --primary-50: #F1EDFD;
        --primary-100: #E4DBFB;
        --primary-200: #C9B8F7;
        
        --gradient-bg: linear-gradient(180deg, #F1EDFD 0%, #FBFAFF 100%);
        --gradient-primary: linear-gradient(135deg, #6E54E8 0%, #8B75F0 100%);
        --gradient-hero: linear-gradient(135deg, #6E54E8 0%, #9D7BFF 50%, #B89FFF 100%);
        
        --success: #00B42A;
        --warning: #FF7D00;
        --danger: #F53F3F;
        
        --text-1: #1D2129;
        --text-2: #4E5969;
        --text-3: #86909C;
        --text-4: #C9CDD4;
        --text-white: #FFFFFF;
        
        --bg-1: #FFFFFF;
        --bg-2: #F7F8FA;
        --bg-3: #E5E6EB;
        
        --border: #E5E6EB;
        --border-light: #F2F3F5;
        --border-primary: rgba(110, 84, 232, 0.2);
        
        --shadow-1: 0 1px 2px rgba(110, 84, 232, 0.03), 0 1px 6px -1px rgba(110, 84, 232, 0.02), 0 2px 4px rgba(110, 84, 232, 0.02);
        --shadow-2: 0 1px 2px rgba(110, 84, 232, 0.04), 0 2px 8px -1px rgba(110, 84, 232, 0.03), 0 4px 8px rgba(110, 84, 232, 0.03);
        --shadow-3: 0 4px 12px rgba(110, 84, 232, 0.08), 0 8px 24px rgba(110, 84, 232, 0.06);
        --shadow-4: 0 8px 24px rgba(110, 84, 232, 0.12), 0 16px 48px rgba(110, 84, 232, 0.08);
        --shadow-card: 0 4px 20px rgba(110, 84, 232, 0.1);
        
        --radius-2: 4px;
        --radius-4: 8px;
        --radius-6: 12px;
        --radius-8: 16px;
        --radius-12: 24px;
        --radius-full: 9999px;
        
        --spacing-2: 8px;
        --spacing-3: 12px;
        --spacing-4: 16px;
        --spacing-5: 20px;
        --spacing-6: 24px;
        --spacing-7: 32px;
        --spacing-8: 40px;
        --spacing-9: 48px;
        --spacing-10: 56px;
        --spacing-11: 64px;
        --spacing-12: 80px;
        --spacing-13: 96px;
        --spacing-14: 120px;
        
        --ease-out: cubic-bezier(0, 0, 0.2, 1);
        --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
        
        --container-max: 1200px;
      }
  
      /* Reset */
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
  
      html {
        scroll-behavior: smooth;
      }
  
      body {
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
        font-size: 14px;
        line-height: 1.6;
        color: var(--text-1);
        background: var(--gradient-bg);
        min-height: 100vh;
      }
  
      /* Container */
      .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 var(--spacing-6);
      }
  
      /* Buttons */
      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 28px;
        font-size: 16px;
        font-weight: 600;
        border-radius: var(--radius-full);
        cursor: pointer;
        transition: all 0.3s var(--ease-out);
        text-decoration: none;
        border: none;
        gap: 8px;
      }
  
      .btn-primary {
        background: var(--gradient-primary);
        color: #fff;
        box-shadow: 0 4px 16px rgba(110, 84, 232, 0.4);
      }
      .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(110, 84, 232, 0.5);
      }
  
      .btn-secondary {
        background: rgba(255, 255, 255, 0.2);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.3);
        backdrop-filter: blur(10px);
      }
      .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-2px);
      }
  
      .btn-outline {
        background: #fff;
        color: var(--primary);
        border: 2px solid var(--primary);
      }
      .btn-outline:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
      }
  
      .btn-lg {
        padding: 16px 40px;
        font-size: 18px;
      }
  
      /* Navbar */
      .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-light);
        transition: all 0.3s ease;
      }
  
      .navbar.scrolled {
        box-shadow: var(--shadow-2);
      }
  
      .navbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
      }
  
      .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 22px;
        font-weight: 700;
        color: var(--primary);
        text-decoration: none;
      }
  
      .logo-icon {
        width: 40px;
        height: 40px;
        background: var(--gradient-primary);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
      }
  .logo-icon img{ width: 70%; height: 70%;}
      .nav-menu {
        display: flex;
        list-style: none;
        gap: var(--spacing-8);
      }
  
      .nav-menu a {
        color: var(--text-2);
        text-decoration: none;
        font-size: 15px;
        font-weight: 500;
        transition: color 0.2s;
        position: relative;
      }
      .nav-menu a:hover,
      .nav-menu a.active {
        color: var(--primary);
      }
      .nav-menu a::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--primary);
        transition: width 0.3s ease;
      }
      .nav-menu a:hover::after,
      .nav-menu a.active::after {
        width: 100%;
      }
  
      .nav-actions {
        display: flex;
        gap: var(--spacing-4);
      }
  
      .menu-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 24px;
        cursor: pointer;
        color: var(--primary);
      }
  
      /* Hero Banner */
      .hero {
        padding: 160px 0 120px;
        background: var(--gradient-hero);
        position: relative;
        overflow: hidden;
      }
  
      .hero::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.15) 0%, transparent 50%),
                    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.1) 0%, transparent 40%);
        animation: heroFloat 20s ease-in-out infinite;
      }
  
      @keyframes heroFloat {
        0%, 100% { transform: translate(0, 0) rotate(0deg); }
        50% { transform: translate(30px, -30px) rotate(5deg); }
      }
  
      .hero-content {
        position: relative;
        z-index: 1;
        text-align: center;
        color: #fff;
      }
  
      .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 20px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: var(--radius-full);
        font-size: 14px;
        margin-bottom: var(--spacing-7);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.3);
      }
  
      .hero-badge-icon {
        width: 20px;
        height: 20px;
        background: #FFD700;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
      }
  
      .hero-title {
        font-size: 56px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: var(--spacing-6);
        text-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      }
  
      .hero-title .highlight {
        background: linear-gradient(90deg, #FFD700, #FFA500);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }
  
      .hero-subtitle {
        font-size: 22px;
        font-weight: 500;
        margin-bottom: var(--spacing-10);
        opacity: 0.95;
        line-height: 1.6;
      }
  
      .hero-actions {
        display: flex;
        gap: var(--spacing-5);
        justify-content: center;
        margin-bottom: var(--spacing-12);
      }
  
      .hero-stats {
        display: flex;
        justify-content: center;
        gap: var(--spacing-12);
      }
  
      .hero-stat {
        text-align: center;
      }
  
      .hero-stat-number {
        font-size: 36px;
        font-weight: 700;
        margin-bottom: 8px;
      }
  
      .hero-stat-label {
        font-size: 14px;
        opacity: 0.8;
      }
  
      /* Section Common */
      .section {
        padding: var(--spacing-14) 0;
      }
  
      .section-header {
        text-align: center;
        margin-bottom: var(--spacing-12);
      }
  
      .section-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        background: var(--primary-50);
        color: var(--primary);
        border-radius: var(--radius-full);
        font-size: 14px;
        font-weight: 600;
        margin-bottom: var(--spacing-5);
      }
  
      .section-title {
        font-size: 42px;
        font-weight: 700;
        margin-bottom: var(--spacing-5);
        color: var(--text-1);
        line-height: 1.3;
      }
  
      .section-desc {
        font-size: 18px;
        color: var(--text-2);
        /* max-width: 700px; */
        margin: 0 auto;
        line-height: 1.8;
      }
  
      /* Modules Overview */
      .modules-overview {
        background: #fff;
      }
  
      .modules-flow {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-4);
        flex-wrap: wrap;
        margin-top: var(--spacing-10);
      }
  
      .flow-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-3);
        padding: var(--spacing-6) var(--spacing-5);
        background: var(--primary-50);
        border-radius: var(--radius-8);
        min-width: 140px;
        transition: all 0.3s ease;
      }
  
      .flow-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-3);
      }
  
      .flow-icon {
        width: 56px;
        height: 56px;
        background: var(--gradient-primary);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        color: #fff;
      }
  
      .flow-text {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-1);
      }
  
      .flow-arrow {
        font-size: 24px;
        color: var(--primary);
        font-weight: bold;
      }
  
      /* Modules Cards */
      .modules-cards {
        background: var(--gradient-bg);
      }
  
      .modules-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-7);
      }
  
      .module-card {
        background: #fff;
        border-radius: var(--radius-8);
        padding: var(--spacing-8) var(--spacing-7);
        box-shadow: var(--shadow-card);
        transition: all 0.4s var(--ease-out);
        position: relative;
        overflow: hidden;
        border: 1px solid var(--border-light);
      }
  
      .module-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s var(--ease-out);
      }
  
      .module-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-4);
      }
  
      .module-card:hover::before {
        transform: scaleX(1);
      }
  
      .module-number {
        position: absolute;
        top: var(--spacing-5);
        right: var(--spacing-6);
        font-size: 64px;
        font-weight: 800;
        color: var(--primary-50);
        line-height: 1;
      }
  
      .module-icon {
        width: 64px;
        height: 64px;
        background: var(--gradient-primary);
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 32px;
        color: #fff;
        margin-bottom: var(--spacing-6);
        box-shadow: 0 8px 20px rgba(110, 84, 232, 0.3);
      }
  .module-icon img{ width: 32px; height: 32px; }
      .module-title {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: var(--spacing-4);
        color: var(--text-1);
        position: relative;
      }
  
      .module-desc {
        font-size: 15px;
        color: var(--text-2);
        line-height: 1.8;
        margin-bottom: var(--spacing-5);
      }
  
      .module-features {
        list-style: none;
      }
  
      .module-features li {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 6px 0;
        font-size: 14px;
        color: var(--text-2);
      }
  
      .module-features li::before {
        content: '✓';
        width: 20px;
        height: 20px;
        background: var(--primary-50);
        color: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: bold;
        flex-shrink: 0;
      }
  
      /* Benefits Section */
      .benefits {
        background: #fff;
      }
  
      .benefits-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-7);
      }
  
      .benefit-card {
        text-align: center;
        padding: var(--spacing-8) var(--spacing-5);
        border-radius: var(--radius-8);
        background: var(--primary-50);
        transition: all 0.3s ease;
      }
  
      .benefit-card:hover {
        transform: translateY(-6px);
        background: #fff;
        box-shadow: var(--shadow-3);
      }
  
      .benefit-icon {
        width: 72px;
        height: 72px;
        margin: 0 auto var(--spacing-5);
        background: var(--gradient-primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 36px;
        color: #fff;
        box-shadow: 0 8px 24px rgba(110, 84, 232, 0.3);
      }
	    .benefit-icon img{width: 36px; height: 36px;}
  
      .benefit-title {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: var(--spacing-3);
        color: var(--text-1);
      }
  
      .benefit-desc {
        font-size: 14px;
        color: var(--text-2);
        line-height: 1.7;
      }
  
      /* Comparison Section */
      .comparison {
        background: var(--gradient-bg);
      }
  
      .comparison-wrapper {
        display: grid;
        grid-template-columns: 1fr 80px 1fr;
        gap: var(--spacing-6);
        align-items: stretch;
      }
  
      .comparison-side {
        background: #fff;
        border-radius: var(--radius-8);
        padding: var(--spacing-8);
        box-shadow: var(--shadow-2);
      }
  
      .comparison-side.ai-side {
        border: 2px solid var(--primary);
        position: relative;
      }
  
      .comparison-side.ai-side::before {
        content: '推荐';
        position: absolute;
        top: -14px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--gradient-primary);
        color: #fff;
        padding: 4px 16px;
        border-radius: var(--radius-full);
        font-size: 13px;
        font-weight: 600;
      }
  
      .comparison-header {
        text-align: center;
        margin-bottom: var(--spacing-7);
        padding-bottom: var(--spacing-5);
        border-bottom: 1px solid var(--border-light);
      }
  
      .comparison-icon {
        font-size: 48px;
        margin-bottom: var(--spacing-3);
      }
    .comparison-icon img{ width: 60px; height: 60px;}
      .comparison-title {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 8px;
      }
  
      .ai-side .comparison-title {
        color: var(--primary);
      }
  
      .comparison-subtitle {
        font-size: 14px;
        color: var(--text-3);
      }
  
      .comparison-list {
        list-style: none;
      }
  
      .comparison-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: var(--spacing-4) 0;
        border-bottom: 1px solid var(--border-light);
        font-size: 15px;
        line-height: 1.6;
      }
  
      .comparison-list li:last-child {
        border-bottom: none;
      }
  
      .comparison-list .icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: bold;
        margin-top: 2px;
      }
  
      .ai-side .icon {
        background: #E8FFEA;
        color: var(--success);
      }
  
      .traditional-side .icon {
        background: #FFECE8;
        color: var(--danger);
      }
  
      .comparison-vs {
        display: flex;
        align-items: center;
        justify-content: center;
      }
  
      .vs-badge {
        width: 60px;
        height: 60px;
        background: var(--gradient-primary);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        font-weight: 800;
        box-shadow: 0 8px 24px rgba(110, 84, 232, 0.4);
      }
  
      /* Value Section */
      .value {
        background: #fff;
      }
  
      .value-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-7);
      }
  
      .value-card {
        background: var(--gradient-bg);
        border-radius: var(--radius-8);
        padding: var(--spacing-8);
        text-align: center;
        transition: all 0.3s ease;
        border: 1px solid var(--border-primary);
      }
  
      .value-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-4);
      }
  
      .value-number {
        font-size: 56px;
        font-weight: 800;
        background: var(--gradient-primary);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1;
        margin-bottom: var(--spacing-3);
      }
  
      .value-unit {
        font-size: 24px;
        font-weight: 600;
      }
  
      .value-title {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: var(--spacing-3);
        color: var(--text-1);
      }
  
      .value-desc {
        font-size: 14px;
        color: var(--text-2);
        line-height: 1.7;
      }
  
      /* CTA Section */
      .cta-section {
        padding: var(--spacing-14) 0;
        background: var(--gradient-hero);
        position: relative;
        overflow: hidden;
      }
  
      .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.08) 0%, transparent 40%);
      }
  
      .cta-content {
        position: relative;
        z-index: 1;
        text-align: center;
        color: #fff;
      }
  
      .cta-title {
        font-size: 42px;
        font-weight: 700;
        margin-bottom: var(--spacing-5);
        line-height: 1.3;
      }
  
      .cta-desc {
        font-size: 18px;
        margin-bottom: var(--spacing-8);
        opacity: 0.9;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
      }
  
      .cta-actions {
        display: flex;
        gap: var(--spacing-5);
        justify-content: center;
      }
  
      /* Footer */
      .footer {
        background: #1A1A2E;
        color: rgba(255, 255, 255, 0.7);
      }
  
      .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--spacing-10);
        margin-bottom: var(--spacing-10);
      }
  
      .footer-brand .logo {
        color: #fff;
        margin-bottom: var(--spacing-5);
      }
  
      .footer-brand-desc {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: var(--spacing-5);
      }
  
      .footer-social {
        display: flex;
        gap: var(--spacing-3);
      }
  
      .social-icon {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        transition: all 0.3s ease;
        cursor: pointer;
      }
      .social-icon:hover {
        background: var(--primary);
        transform: translateY(-3px);
      }
  
      .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: var(--spacing-5);
      }
  
      .footer-col ul {
        list-style: none;
      }
  
      .footer-col li {
        margin-bottom: var(--spacing-3);
      }
  
      .footer-col a {
        color: rgba(255, 255, 255, 0.7);
        text-decoration: none;
        font-size: 14px;
        transition: color 0.2s;
      }
      .footer-col a:hover {
        color: #fff;
      }
  
      .footer-bottom {
        padding:var(--spacing-7) 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
      }
  
      /* Responsive */
      @media (max-width: 1024px) {
        .modules-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        
        .benefits-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        
        .value-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        
        .comparison-wrapper {
          grid-template-columns: 1fr;
        }
        
        .comparison-vs {
          padding: var(--spacing-4) 0;
        }
        
        .footer-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        
        .hero-title {
          font-size: 42px;
        }
        
        .section-title {
          font-size: 32px;
        }
      }
	  
	  
	  
	  .d_icons{ display: flex; justify-content: center; align-items: center; }
	  .d_icons img{ width: 18px; height: 18px;  vertical-align: middle; display: block; margin-top: -4px; }
	  .d_icons2{ display: flex; justify-content: center; align-items: center; font-size: 44px; }
	  .d_icons2 img{ width: 48px; height: 48px;  vertical-align: middle; display: block; margin-top: -4px; }
  
      @media (max-width: 768px) {
        .nav-menu {
          display: none;
        }
        
        .menu-toggle {
          display: block;
        }
        
        .hero {
          padding: 120px 0 80px;
        }
        
        .hero-title {
          font-size: 32px;
        }
        
        .hero-subtitle {
          font-size: 18px;
        }
        
        .hero-actions {
          flex-direction: column;
          align-items: center;
        }
        
        .hero-stats {
          flex-wrap: wrap;
          gap: var(--spacing-7);
        }
        
        .hero-stat-number {
          font-size: 28px;
        }
        
        .section {
          padding: var(--spacing-11) 0;
        }
        
        .section-title {
          font-size: 28px;
        }
        
        .modules-grid {
          grid-template-columns: 1fr;
        }
        
        .benefits-grid {
          grid-template-columns: 1fr;
        }
        
        .value-grid {
          grid-template-columns: 1fr;
        }
        
        .modules-flow {
          flex-direction: column;
        }
        
        .flow-arrow {
          transform: rotate(90deg);
        }
        
        .footer-grid {
          grid-template-columns: 1fr;
          gap: var(--spacing-7);
        }
        
        .cta-title {
          font-size: 28px;
        }
        
        .cta-actions {
          flex-direction: column;
          align-items: center;
        }
		.nav-actions,.menu-toggle {display: none;}
		
		
		.d_icons2{ display: flex; justify-content: center; align-items: center; font-size: 32px; }
		.d_icons2 img{ width: 32px; height: 32px;  vertical-align: middle; display: block; margin-top: 4px; }
		
      }