.section_1 {
            background: linear-gradient(135deg, #1E90FF 0%, #4169E1 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
            min-height: 400px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .section_1 h1 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            font-weight: 600;
            position: relative;
        }
        .section_1 h1:after{
            content: "";
            bottom:-20px;
            left:0;
            position: absolute;
            height:10px;
            width: 100%;
            background: url('../img/title_line_2.png');
            background-repeat: no-repeat;
            background-position: center center;
        }
        .section_1 p {
            font-size: 1.1rem;
            margin-bottom: 40px;
            max-width: 800px;
            opacity: 0.9;
        }

        .section_1 .button-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .section_1 button {
            padding: 12px 30px;
            font-size: 1rem;
            border: 2px solid white;
            background: transparent;
            color: white;
            cursor: pointer;
            border-radius: 25px;
            transition: all 0.3s ease;
        }

        .section_1 button:hover {
            background: white;
            color: #1E90FF;
        }

        .section_1 button.primary {
            background: white;
            color: #1E90FF;
        }

        .section_1 button.primary:hover {
            background: transparent;
            color: white;
        }

        /* Section 2 - Equipment Details */
        .section_2 {
            padding: 80px 20px;
            background: #fff;
        }
        .yonghuxieyi_btn{
            width: 150px;
            padding:10px 0;
            margin:0 auto;
            text-align: center;
            cursor: pointer;

        }
        .pay_box_wrap img{
        width: 100%;
        }
        .pay_box_wrap h4{
            color:#2178e1;
            text-align: center;
        }
        .pay_box_wrap h4 span{
            color:#f00;
        }
        .pay_box_wrap p{
             text-align: center; 
        }


        .section_2 .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section_2 h2 {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 20px;
            color: #333;
        }

        .section_2 .subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 60px;
            font-size: 1.1rem;
        }

        .section_2 .content-wrapper {
            display: grid;
            grid-template-columns: 2fr 400px ;
            gap: 60px;
            align-items: center;
        }

        .section_2 .device-info {
            padding: 40px;
        }

        .section_2 .device-info h3 {
            font-size: 1.5rem;
            margin-bottom: 30px;
            color: #1E90FF;
         
        }

        .section_2 .specs {
            list-style: none;
        }

        .section_2 .specs li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }

        .section_2 .specs li:before {
            content: "•";
            color: #1E90FF;
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        .section_2 .device-image {
            text-align: center;
     
            padding: 10px;
            border-radius: 15px;
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .section_2 .device-placeholder {
            width: 200px;
            height: 280px;
        
            border-radius: 20px;
            position: relative;
            box-shadow: 0 20px 40px rgba(30,144,255,0.3);
        }
        .section_2 .device-image img{
            width: 100%;
        }

        .section_2 .device-placeholder:before {
            content: "iPad";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-size: 1.5rem;
            font-weight: bold;
        }

        .section_2 .service-description {
            margin-top: 40px;
            padding: 30px;
            background: white;
   
        }

        /* Section 3 - Service Details */
        .section_3 {
            padding: 80px 20px;
            background: #e8e8e8;
        }

        .section_3 .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section_3 h2 {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 60px;
            color: #333;
        }

        .section_3 .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-bottom: 80px;
        }

        .section_3 .service-card {
            background: #fff;
            padding: 30px 30px 15px 30px;
            border-radius: 15px;
            text-align: left;
            position: relative;
            min-height: 180px;
          
        }

        .section_3 .service-card-1:before {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: url('../img/f1.png');
             border-radius: 15px;
             background-size: 100%;
             background-repeat: no-repeat;
        }
           .section_3 .service-card-2:before {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
              width: 200px;
            height: 200px;
            background: url('../img/f2.png');
             border-radius: 15px;
             background-size: 100%;
             background-repeat: no-repeat;
        }
           .section_3 .service-card-3:before {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
             width: 200px;
            height: 200px;
            background: url('../img/f3.png');
             border-radius: 15px;
             background-size: 100%;
             background-repeat: no-repeat;
        }
           .section_3 .service-card-4:before {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
             width: 200px;
            height: 200px;
            background: url('../img/f4.png');
             border-radius: 15px;
             background-size: 100%;
             background-repeat: no-repeat;
        }

        .section_3 .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #333;
        }

        .section_3 .service-card p {
            color: #666;
            line-height: 1.8;
            width: calc(100% - 160px);
            font-size: 14px;
        }

        .section_3 .service-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #1E90FF, #4169E1);
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }

        /* Section 4 - Special Notes */
        .section_4 {
            padding: 80px 20px;
            background: #f8f9fa;
        }

        .section_4 .container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .section_4 h2 {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 50px;
            color: #333;
        }

        .section_4 .notes-list {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .section_4 .notes-list ol {
            counter-reset: note-counter;
            list-style: none;
        }

        .section_4 .notes-list li {
            counter-increment: note-counter;
            margin-bottom: 20px;
            padding-left: 40px;
            position: relative;
            line-height: 1.8;
        }

        .section_4 .notes-list li:before {
            content: counter(note-counter);
            position: absolute;
            left: 0;
            top: 0;
            background: #1E90FF;
            color: white;
            width: 25px;
            height: 25px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: bold;
        }

        /* Section 5 - Pricing */
        .section_5 {
            padding: 80px 20px;
            background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%);
            color: white;
        }

        .section_5 .container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .section_5 h2 {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 60px;
        }

        .section_5 .pricing-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .section_5 .pricing-card {
            background: white;
            color: #333;
            padding: 40px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
        }

        .section_5 .pricing-card h3 {
            font-size: 1.4rem;
            margin-bottom: 30px;
            color: #1E90FF;
        }

        .section_5 .price-item {
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px ;
            border-radius: 10px;
        
        }
         .section_5 .price-item.active {
            background:#107fe8;
            color:#fff
        }
        .section_5 .price-item:last-child {
            border-bottom: none;
        }

        .section_5 .price {
            color: #1E90FF;
            font-weight: bold;
        }
        .section_5 .price-item.active .price {
           
            color:#fff
        }

        .section_5 .cta-button {
            background: #1E90FF;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            margin-top: 20px;
            transition: all 0.3s ease;
        }

        .section_5 .cta-button:hover {
            background: #4169E1;
            transform: translateY(-2px);
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .section_1 h1 {
                font-size: 1.8rem;
            }

            .section_1 p {
                font-size: 1rem;
            }

            .section_1 .button-group {
                flex-direction: column;
                align-items: center;
            }

            .section_1 button {
                width: 200px;
            }

            .section_2 .content-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .section_2 .device-info,
            .section_2 .service-description {
                padding: 30px 20px;
            }

            .section_3 .services-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .section_3 .service-card {
                padding: 30px 20px;
               
            }


            .section_3 .service-card {
            background: #fff;
            padding: 40px;
            border-radius: 15px;
            text-align: left;
            position: relative;
            min-height: 120px;
          
        }

        .section_3 .service-card-1:before {
      
            width: 50px;
            height: 50px;
            background: url('../img/f1.png');
             border-radius: 15px;
               background-size: 50px;
               background-repeat: no-repeat;
                top:20px;
                left:30px;
        }
           .section_3 .service-card-2:before {
   
            width: 50px;
            height: 50px;
            background: url('../img/f2.png');
             border-radius: 15px;
               background-size: 50px;
               background-repeat: no-repeat;
                top:20px;
                left:30px;
        }
           .section_3 .service-card-3:before {
 
             width: 50px;
            height: 50px;
            background: url('../img/f3.png');
             border-radius: 15px;
               background-size: 50px;
               background-repeat: no-repeat;
                  top:20px;
                left:30px;
        }
           .section_3 .service-card-4:before {
  
            width: 50px;
            height: 50px;
            background: url('../img/f4.png');
             border-radius: 15px;
               background-size: 50px;
               background-repeat: no-repeat;
                top:20px;
                left:30px;
        }

     .section_3 .service-card p {
            color: #666;
            line-height: 1.4;
            width: 100%;
            font-size: 14px;

        }
        .section_3 .service-card h3{
            margin-left:50px;
        }


            .section_4 .notes-list {
                padding: 30px 20px;
            }

            .section_4 .notes-list li {
                padding-left: 35px;
            }

            .section_5 .pricing-cards {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .section_5 .pricing-card {
                padding: 30px 20px;
            }

            .section_2,
            .section_3,
            .section_4,
            .section_5 {
                padding: 60px 20px;
            }

            .section_2 h2,
            .section_3 h2,
            .section_4 h2,
            .section_5 h2 {
                font-size: 1.8rem;
            }
        }