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

    /* Header */
    .header {
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(10, 15, 26, 0.95);
      backdrop-filter: blur(10px);
    }

    .header .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo img {
      height: 36px;
      width: auto;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-link {
      color: #9ca3af;
      text-decoration: none;
      font-size: 14px;
      transition: color 0.3s ease;
    }

    .nav-link:hover {
      color: #22d3ee;
    }

    .nav-link.primary {
      background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
      color: #000;
      padding: 10px 20px;
      border-radius: 6px;
      font-weight: 500;
    }

    .nav-link.primary:hover {
      opacity: 0.9;
    }

        /* 主内容区 */
        .main-content {
            padding-top: 80px;
        }
            

        /* 页面标题区 */
        .hero-section {
            text-align: center;
            padding: 5rem 2rem 4rem;
            background: linear-gradient(180deg, rgba(34, 211, 238, 0.05) 0%, transparent 100%);
        }
        
        .hero-section h1 {
            font-size: 48px;
            font-weight: 500;
            background: linear-gradient(90deg, #e8e8e8 0%, #a9caec 50%, #22d3ee 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }
        
        .hero-section .subtitle {
            font-size: 18px;
            color: #a9caec;
            max-width: 600px;
            margin: 0 auto;
        }
        
        /* 方案卡片区 */
        .pricing-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 4rem;
        }
        
        @media (max-width: 968px) {
            .pricing-cards {
                grid-template-columns: 1fr;
            }
        }
        
        .pricing-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(34, 211, 238, 0.2);
            border-radius: 16px;
            padding: 2.5rem;
            position: relative;
            transition: transform 0.3s, border-color 0.3s;
        }
        
        .pricing-card:hover {
            transform: translateY(-5px);
            border-color: rgba(34, 211, 238, 0.4);
        }
        
        .pricing-card.featured {
            border-color: #22d3ee;
            background: rgba(34, 211, 238, 0.05);
        }
        
        .pricing-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #22d3ee 0%, #0ea5e9 100%);
            color: #000;
            padding: 0.25rem 1rem;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        
        .card-header {
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
        }
        
        .card-tier {
            font-size: 12px;
            color: #22d3ee;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
        }
        
        .card-name {
            font-size: 24px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        
        .card-desc {
            font-size: 14px;
            color: #8ba8c7;
        }
        
        .card-audience {
            background: rgba(34, 211, 238, 0.1);
            border-radius: 8px;
            padding: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .card-audience-label {
            font-size: 12px;
            color: #8ba8c7;
            margin-bottom: 0.25rem;
        }
        
        .card-audience-text {
            font-size: 14px;
            color: #ffffff;
        }
        
        .card-scale {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }
        
        .card-scale-icon {
            width: 20px;
            height: 20px;
            color: #22d3ee;
        }
        
        .card-scale-text {
            font-size: 14px;
            color: #a9caec;
        }
        
        .card-features {
            list-style: none;
            margin-bottom: 2rem;
        }
        
        .card-features li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
            font-size: 14px;
            color: #a9caec;
        }
        
        .card-features li svg {
            width: 16px;
            height: 16px;
            color: #22d3ee;
            flex-shrink: 0;
            margin-top: 2px;
        }
        
        .card-cta {
            display: block;
            width: 100%;
            padding: 1rem;
            text-align: center;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .card-cta.primary {
            background: linear-gradient(135deg, #22d3ee 0%, #0ea5e9 100%);
            color: #000;
        }
        
        .card-cta.primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(34, 211, 238, 0.3);
        }
        
        .card-cta.secondary {
            background: transparent;
            border: 1px solid #22d3ee;
            color: #22d3ee;
        }
        
        .card-cta.secondary:hover {
            background: rgba(34, 211, 238, 0.1);
        }
        
        /* 功能对比表格 */
        .comparison-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }
        
        .section-title {
            text-align: center;
            font-size: 32px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 3rem;
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: rgba(255, 255, 255, 0.02);
            border-radius: 16px;
            overflow: hidden;
        }
        
        .comparison-table th,
        .comparison-table td {
            padding: 1rem 1.5rem;
            text-align: left;
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
        }
        
        .comparison-table th {
            background: rgba(34, 211, 238, 0.1);
            color: #ffffff;
            font-weight: 500;
            font-size: 14px;
        }
        
        .comparison-table th:not(:first-child) {
            text-align: center;
        }
        
        .comparison-table td {
            font-size: 14px;
            color: #a9caec;
        }
        
        .comparison-table td:not(:first-child) {
            text-align: center;
        }
        
        .comparison-table tr:hover {
            background: rgba(34, 211, 238, 0.03);
        }
        
        .comparison-table .category-row {
            background: rgba(0, 0, 0, 0.3);
        }
        
        .comparison-table .category-row td {
            color: #22d3ee;
            font-weight: 500;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .check-icon {
            color: #22d3ee;
        }
        
        .dash-icon {
            color: #4a5568;
        }
        
        /* 增值服务区 */
        .addons-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }
        
        .section-subtitle {
            text-align: center;
            font-size: 16px;
            color: #8ba8c7;
            margin-top: -1.5rem;
            margin-bottom: 3rem;
        }
        
        .addons-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        
        @media (max-width: 968px) {
            .addons-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 576px) {
            .addons-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .addon-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(34, 211, 238, 0.15);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s;
        }
        
        .addon-card:hover {
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-3px);
        }
        
        .addon-icon {
            width: 48px;
            height: 48px;
            background: rgba(34, 211, 238, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }
        
        .addon-icon svg {
            width: 24px;
            height: 24px;
            color: #22d3ee;
        }
        
        .addon-title {
            font-size: 16px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        
        .addon-desc {
            font-size: 13px;
            color: #8ba8c7;
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .addon-cta {
            font-size: 13px;
            color: #22d3ee;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .addon-cta:hover {
            color: #67e8f9;
        }
        
        /* 价值主张区 */
        .value-section {
            background: linear-gradient(180deg, transparent 0%, rgba(34, 211, 238, 0.03) 50%, transparent 100%);
            padding: 5rem 2rem;
        }
        
        .value-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        
        @media (max-width: 968px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 576px) {
            .value-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .value-card {
            text-align: center;
            padding: 2rem;
        }
        
        .value-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.5rem;
            background: rgba(34, 211, 238, 0.1);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .value-icon svg {
            width: 32px;
            height: 32px;
            color: #22d3ee;
        }
        
        .value-title {
            font-size: 18px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }
        
        .value-desc {
            font-size: 14px;
            color: #8ba8c7;
        }
        
        /* 客户信任区 */
        .trust-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
            text-align: center;
        }
        
        .trust-title {
            font-size: 14px;
            color: #8ba8c7;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 2rem;
        }
        
        .trust-logos {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 4rem;
            flex-wrap: wrap;
            opacity: 0.6;
        }
        
        .trust-logo {
            font-size: 18px;
            font-weight: 500;
            color: #a9caec;
        }
        
        /* FAQ区 */
        .faq-section {
            max-width: 800px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }
        
        .faq-item {
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
            padding: 1.5rem 0;
        }
        
        .faq-question {
            font-size: 16px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 0.75rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-question:hover {
            color: #22d3ee;
        }
        
        .faq-answer {
            font-size: 14px;
            color: #a9caec;
            line-height: 1.8;
        }
        
        /* 底部CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
            padding: 5rem 2rem;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .cta-title {
            font-size: 32px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 1rem;
        }
        
        .cta-desc {
            font-size: 16px;
            color: #a9caec;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .cta-btn {
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .cta-btn.primary {
            background: linear-gradient(135deg, #22d3ee 0%, #0ea5e9 100%);
            color: #000;
        }
        
        .cta-btn.primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(34, 211, 238, 0.3);
        }
        
        .cta-btn.secondary {
            background: transparent;
            border: 1px solid #22d3ee;
            color: #22d3ee;
        }
        
        .cta-btn.secondary:hover {
            background: rgba(34, 211, 238, 0.1);
        }
        
        /* 页脚 */
        .footer {
            border-top: 1px solid rgba(34, 211, 238, 0.1);
            padding: 2rem;
            text-align: center;
        }
        
        .footer-text {
            font-size: 14px;
            color: #8ba8c7;
        }
        
        .footer-text a {
            color: #22d3ee;
            text-decoration: none;
        }