/* Banner区域 */
 .banner {

    background: linear-gradient(rgba(217, 33, 33, 0.9), rgba(217, 33, 33, 0.85)), 
    url('https://picsum.photos/id/1076/1920/500');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 140px 0;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    z-index: 1;
}

.banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23f0f5ff" fill-opacity="1" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,213.3C672,224,768,224,864,208C960,192,1056,160,1152,160C1248,160,1344,192,1392,208L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-repeat: no-repeat;
    z-index: 2;
}

.banner-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
}

.banner h1 {
    font-size:48px;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.banner h1 span {
    color: #fbbf24;
}

.banner-tagline {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 500;
    opacity: 0.95;
}

.banner p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.8;
    max-width: 700px;
}

.banner-btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: white;
    color: #d31027;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-right: 15px;
    position: relative;
    overflow: hidden;
}

.banner-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 120, 255, 0.1), transparent);
    transition: all 0.5s ease;
}

.banner-btn:hover::before {
    left: 100%;
}

.banner-btn.secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid white;
}

.banner-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.banner-btn.secondary:hover {
    background-color: white;
    color: #0078ff;
}/* 业务介绍区域 */

.intro-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #222;
    margin-bottom: 20px;
}

.intro-subtitle {
    text-align: center;
    color: #666;
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto 50px;
}

.intro-content {
    line-height: 1.8;
    color: #555;
    font-size: 16px;
    max-width: 1000px;
    margin: 0 auto 60px;
}

/* 核心对比模块 */
.compare-section {
    padding: 60px 0 80px;
}

.compare-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: #222;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.compare-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #d92121;
}

.compare-wrap {
    /* display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: stretch;
    justify-content: center; */
    display: grid;
    grid-template-columns: 1fr 0.1fr 1fr;
    gap: 20px;
    align-items: center;
}

.compare-card {
    flex: 1;
    min-width: 400px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.compare-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.compare-card-header {
    padding: 25px;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.compare-card-1 .compare-card-header {
    background-color: #0066cc;
}

.compare-card-2 .compare-card-header {
    background-color: #999;
}

.compare-card-body {
    padding: 30px 25px;
}

.compare-list {
    list-style: none;
}

.compare-list li {
    padding: 12px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.compare-list li:last-child {
    border-bottom: none;
}

.compare-list li i {
    font-size: 18px;
    margin-top: 3px;
}

.compare-list li .icon-success {
    color: #28a745;
}

.compare-list li .icon-warning {
    color: #dc3545;
}

.compare-vs {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #d31027;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto;
    box-shadow: 0 5px 15px rgba(211,16,39,0.2);
}
/* 服务优势区域 */
/* .advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 40px 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    text-align: center;
}

.advantage-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #ffd166;
    margin: 0 auto 25px;
}

.advantage-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
} */

/* 资质认证区域 */


.cert-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: #222;
    margin-bottom: 50px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.cert-card {
    text-align: center;
    padding: 30px 20px;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.cert-card:hover {
    border-color: #d92121;
    box-shadow: 0 8px 15px rgba(217, 33, 33, 0.1);
}

.cert-icon {
    font-size: 48px;
    color: #d92121;
    margin-bottom: 20px;
}

.cert-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.cert-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 维保 ==========================================================*/
        /* 维保介绍模块 */


        /* .section-title {
            text-align: center;
            font-size: 36px;
            font-weight: 700;
            color: #222;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        } */
       

        .section-subtitle {
            text-align: center;
            color: #666;
            font-size: 16px;
            max-width: 800px;
            margin: 0 auto 60px;
        }

        .intro-content {
            max-width: 1000px;
            margin: 0 auto;
            line-height: 1.8;
            color: #555;
            font-size: 16px;
            padding: 0 20px;
        }

        /* 核心对比模块 */
        .compare-section {
            padding: 80px 0;
        }

        .compare-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            color: #222;
            margin-bottom: 60px;
            position: relative;
            padding-bottom: 15px;
        }

        .compare-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #0066cc;
        }
        .compare-card {
            flex: 1;
            min-width: 400px;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .compare-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .compare-card-header {
            padding: 25px;
            font-size: 20px;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card-header i {
            font-size: 24px;
        }

        .compare-card-1 .compare-card-header {
            background: linear-gradient(135deg, #0066cc, #004a99);
        }

        .compare-card-2 .compare-card-header {
            background: linear-gradient(135deg, #999, #777);
        }

        .compare-card-body {
            padding: 30px 25px;
        }

        .compare-list {
            list-style: none;
        }

        .compare-list li {
            padding: 12px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            border-bottom: 1px solid #f0f0f0;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li i {
            font-size: 18px;
            margin-top: 3px;
        }

        .compare-list li .icon-success {
            color: #28a745;
        }

        .compare-list li .icon-warning {
            color: #dc3545;
        }
        /* 服务优势模块 */
        /* .advantage-section .section-title {
            color: white;
        }

        .advantage-section .section-title::after {
            background-color: #ffd166;
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .advantage-card {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 40px 25px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            text-align: center;
        }

        .advantage-card:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-8px);
        }

        .advantage-icon {
            width: 80px;
            height: 80px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: #ffd166;
            margin: 0 auto 25px;
        }

        .advantage-card h4 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .advantage-card p {
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        } */

        /* 维保服务范围 */
        .service-range {
            padding: 80px 0;
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
        }

        /* .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        } */

        .service-card {
            padding: 35px 25px;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            transition: all 0.3s ease;
            text-align: center;
        }

        .service-card:hover {
            border-color: #d92121;
            box-shadow: 0 8px 15px rgba(217, 33, 33, 0.1);
            transform: translateY(-5px);
        }

        .service-icon {
            font-size: 48px;
            color: #d92121;
            margin-bottom: 20px;
        }

        .service-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: #222;
            margin-bottom: 10px;
        }

        .service-card p {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }
        /* 智慧消防 ==================================================================*/
        
        
        /* 智慧消防介绍模块 */
        .intro-section {
            padding: 100px 0 80px;
            background-color: white;
            margin: -40px 0 60px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 120, 255, 0.05);
            position: relative;
        }

   
  

        .section-subtitle {
            text-align: center;
            color: #666;
            font-size: 16px;
            max-width: 800px;
            margin: 0 auto 60px;
        }

        .intro-content {
            max-width: 1440px;
            margin: 0 auto;
            line-height: 1.8;
            color: #555;
            font-size: 16px;
            padding: 0 20px;
            padding: 30px;
            border-radius: 10px;
            
        }
        .intro-content103{ background-color: #f8fbff;border-left: 4px solid #0078ff;}

        .intro-content108{background-color: #fef2f2;
            border-left: 4px solid #dc2626;}

        /* 核心服务模块 */
        .service-section {
            padding: 80px 0;
            position: relative;
        }

        /* .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        } */

        .service-xiaofang {
            background-color: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 120, 255, 0.08);
            transition: all 0.4s ease;
            position: relative;
        }

        .service-xiaofang::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #dc2626, #fbbf24);
        }

        .service-xiaofang:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 120, 255, 0.15);
        }

        .service-xiaofang .service-card-header {
            padding: 40px 30px 20px;
            text-align: center;
        }

        .service-xiaofang .service-icon {
            width: 100px;
            height: 100px;
            margin: 0 auto 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(251, 191, 36, 0.1));
            color: #dc2626;
        
        }

        .service-xiaofang h3 {
            font-size: 24px;
            font-weight: 700;
            color: #222;
            margin-bottom: 10px;
        }

        .service-xiaofang .service-card-body {
            padding: 0 30px 40px;
            color: #666;
            line-height: 1.8;
        }

        .service-xiaofang .service-features {
            margin-top: 20px;
            list-style: none;
        }

        .service-xiaofang .service-features li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .service-xiaofang .service-features li i {
            color: #4cd964;
            font-size: 16px;
        }



        

        /* 产品体系模块 */
        .product-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0058a7 0%, #0078ff 100%);
            color: white;
            border-radius: 15px;
            position: relative;
            overflow: hidden;
        }

        .product-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                url('data:image/svg+xml;utf8,<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><path fill="%23ffffff" fill-opacity="0.05" d="M42.8,-65.1C55.8,-57.9,67.1,-47.7,73.8,-34.9C80.4,-22.1,82.4,-6.7,79.9,7.7C77.4,22.1,70.4,35.5,59.9,45.9C49.4,56.3,35.4,63.7,20.1,68.4C4.9,73.1,-11.1,75.1,-25.8,71.2C-40.4,67.4,-53.7,57.7,-62.2,44.8C-70.6,31.9,-74.2,15.9,-73.9,-0.2C-73.5,-16.3,-69.3,-32.6,-59.7,-44.2C-50.1,-55.8,-35.1,-62.7,-20,-66.2C-4.9,-69.7,10.5,-69.8,25.1,-66.4Z" transform="translate(100 100)" /></svg>');
            background-size: cover;
            opacity: 0.5;
            z-index: 1;
        }

        .product-section .section-title {
            color: white;
            position: relative;
            z-index: 2;
        }

        .product-section .section-title::after {
            background-color: #4cd964;
        }

        .product-section .section-subtitle {
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            z-index: 2;
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
            gap: 30px;
            position: relative;
            z-index: 2;
        }

        .product-card {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 35px 25px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .product-card:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-8px);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .product-icon {
            font-size: 36px;
            color: #4cd964;
            margin-bottom: 20px;
        }

        .product-card h4 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .product-card p {
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            font-size: 15px;
        }

        /* 技术优势模块 */
        .tech-section {
            padding: 80px 0;
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 120, 255, 0.05);
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
            gap: 30px;
        }

        .tech-card {
            padding: 30px 25px;
            text-align: center;
            border-radius: 10px;
            transition: all 0.3s ease;
            background-color: #f8fbff;
            border: 1px solid #e8f4ff;
        }

        .tech-card:hover {
            transform: translateY(-5px);
            background-color: #e8f4ff;
            border-color: #0078ff;
        }

        .tech-icon {
            font-size: 48px;
            color: #0078ff;
            margin-bottom: 20px;
        }

        .tech-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: #222;
            margin-bottom: 10px;
        }

        .tech-card p {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }


        
        /* 核心业务模块 */
        .business-module {
            padding: 80px 0;
            background-color: white;
            margin: -40px 0 60px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
        }

        .module-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            color: #222;
            margin-bottom: 60px;
            position: relative;
            padding-bottom: 20px;
        }

        .module-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background-color: #d92121;
            border-radius: 2px;
        }

        .business-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .business-card {
            text-align: center;
            padding: 40px 25px;
            border-radius: 12px;
            background-color: #f8f9fa;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .business-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #d92121, #0066cc);
        }

        .business-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
            background-color: white;
        }

        .business-icon {
            width: 100px;
            height: 100px;
            margin: 0 auto 25px;
            background-color: rgba(217, 33, 33, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: #d92121;
        }

        .business-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: #222;
            margin-bottom: 15px;
        }

        .business-card p {
            color: #666;
            line-height: 1.7;
            font-size: 15px;
        }

        /* 业务介绍区域 */
        .intro-section {
            padding: 60px 0 80px;
        }

        .intro-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .intro-img {
            flex: 1;
            min-width: 400px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }

        .intro-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        .intro-content {
            flex: 1;
            min-width: 400px;
        }

        .intro-content h3 {
            font-size: 28px;
            font-weight: 700;
            color: #222;
            margin-bottom: 20px;
        }

        .intro-content h3 span {
            color: #d92121;
        }

        .intro-content p {
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .intro-list {
            list-style: none;
            margin-top: 30px;
        }

        .intro-list li {
            padding: 10px 0;
            display: flex;
            align-items: flex-start;
            gap: 15px;
            color: #555;
        }

        .intro-list li i {
            color: #d92121;
            font-size: 20px;
            margin-top: 3px;
        }

        /* 服务优势区域 */
        .advantage-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0066cc 0%, #004a99 100%);
            color: white;
        }

        .advantage-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 60px;
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
            gap: 30px;
        }

        .advantage-card {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 40px 25px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .advantage-card:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-5px);
        }

        .advantage-icon {
            font-size: 40px;
            color: #ffd166;
            margin-bottom: 20px;
        }

        .advantage-card h4 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .advantage-card p {
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }
        
/* 设计======================================================================================= */

        /* 业务介绍区域 */
        .intro {
            padding: 60px 0;
            background-color: white;
            margin: -20px 0 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .intro-title {
            text-align: center;
            margin-bottom: 30px;
            font-size: 28px;
            font-weight: 700;
            color: #222;
            position: relative;
            padding-bottom: 15px;
        }

        .intro-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #d92121;
        }

        .intro-desc {
            text-align: center;
            max-width: 900px;
            margin: 0 auto 40px;
            color: #666;
            font-size: 16px;
            line-height: 1.8;
        }

        /* 核心服务模块 */
   

        .service-title {
            text-align: center;
            font-size: 26px;
            font-weight: 700;
            color: #222;
            margin-bottom: 50px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
            gap: 30px;
        }

        .service-sheji {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .service-sheji:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }

        .service-sheji .service-card-header {
            padding: 25px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .card-1 .service-card-header {
            background-color: #0066cc;
            color: white;
        }

        .card-2 .service-card-header {
            background-color: #d92121;
            color: white;
        }

        .card-3 .service-card-header {
            background-color: #0066cc;
            color: white;
        }

        .service-sheji .service-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .service-sheji .service-card-header h3 {
            font-size: 20px;
            font-weight: 600;
        }

        .service-card-body {
            padding: 25px;
        }

        .service-card-body ul {
            list-style: none;
        }

        .service-card-body li {
            padding: 8px 0;
            color: #666;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-card-body li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: #d92121;
            font-size: 14px;
        }

        /* 服务流程区域 */
        .process-sheji {
            background-color: #f8f9fa;
            padding: 80px 0;
        }

        .process-title {
            text-align: center;
            font-size: 26px;
            font-weight: 700;
            color: #222;
            margin-bottom: 60px;
        }

        .process-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50px;
            right: 50px;
            height: 2px;
            background-color: #e0e0e0;
            transform: translateY(-50%);
            z-index: 1;
        }

        .process-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 0 15px;
            margin-bottom: 20px;
        }

        .step-circle {
            width: 80px;
            height: 80px;
            background-color: white;
            border: 4px solid #d92121;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            position: relative;
        }

        .step-circle i {
            font-size: 28px;
            color: #d92121;
        }

        .step-circle span {
            position: absolute;
            bottom: -60px;
            left: 50%;
            transform: translateX(-50%);
            font-weight: 600;
            color: #333;
            font-size: 16px;
        }

        .compare-advantage {
            background-color: #b91c1c;
            color: white;
            padding: 15px;
            border-radius: 8px;
            font-weight: 500;
            margin-top: 20px;
        }
        .compare-disadvantage {
            background-color: #f5f5f5;
            color: #666;
            padding: 15px;
            border-radius: 8px;
            font-weight: 500;
            margin-top: 20px;
            border: 1px solid #eee;
        }

        /* 值守 */
        /* ========== 全局变量 ========== */
        :root {
            /* 颜色变量 */
            --color-primary: #003366;
            --color-secondary: #E63946;
            --color-neutral: #F9FBFD;
            --color-dark: #1E293B;
            --color-white: #FFFFFF;
            
            /* 阴影变量 */
            --shadow-light: 0 4px 20px rgba(0, 51, 102, 0.05);
            --shadow-medium: 0 8px 30px rgba(0, 51, 102, 0.1);
            --shadow-medium-light: 0 8px 30px rgba(0, 51, 102, 0.08);
            
            /* 字体变量 */
            --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            
            /* 过渡变量 */
            --transition-normal: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: transform 0.5s ease;
        }
  
        
        /* ========== 通用工具类 ========== */
        .text-balance {
            text-wrap: balance;
        }
        
        .bg-gradient-primary {
            background: linear-gradient(135deg, #003366 0%, #004080 100%);
        }
        
        .bg-gradient-accent {
            background: linear-gradient(135deg, #E63946 0%, #F15A29 100%);
        }
        
        /* 段落文本自适应 */
        .text-normal {
            font-size: clamp(1rem, 2vw, 1.25rem);
            line-height: 1.625;
        }
        
        /* 标题自适应 */
        .title-sm2 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
        }
        
        .title-lg {
            font-size: 36px;
    font-weight: 800;
 
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
        }
        /* 区块内边距 */
        .section {
            padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 4vw, 5rem);
        }
        /* 视差悬停效果 */
        .parallax-card {
            transform: translateZ(0);
            transition: var(--transition-slow);
        }
        
        .parallax-card:hover {
            transform: translateZ(10px) scale(1.02);
        }
        
        /* 弹性布局 */
        .flex-row {
            display: flex;
            flex-wrap: wrap;
        }
        
        .flex-col {
            display: flex;
            flex-direction: column;
        }
        
        .items-center {
            align-items: center;
        }
        
        .items-start {
            align-items: flex-start;
        }
        
        .justify-center {
            justify-content: center;
        }
        
        .justify-between {
            justify-content: space-between;
        }
        
        /* 文本对齐 */
        .text-center {
            text-align: center;
        }
        
        .text-right {
            text-align: right;
        }
        
        /* 定位 */
        .pos-relative {
            position: relative;
        }
        
        .pos-absolute {
            position: absolute;
        }
        
        .pos-fixed {
            position: fixed;
        }
        
        /* 定位辅助 */
        .inset-0 {
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
        }
        
        .bottom-8 {
            bottom: 2rem;
        }
        
        .right-8 {
            right: 2rem;
        }
        
        .left-50 {
            left: 50%;
        }
        
        .transform-center-x {
            transform: translateX(-50%);
        }
        
        .transform-center-y {
            transform: translateY(-50%);
        }
        
        .skew-left {
            transform: skewX(-12deg);
            transform-origin: top right;
        }
        
        /* 层级 */
        .z-10 {
            z-index: 10;
        }
        
        .z-50 {
            z-index: 50;
        }
        
        /* 尺寸 */
        .full-screen {
            min-height:75vh;
        }
        
        .w-full {
            width: 100%;
        }
        
        .w-half {
            width: 50%;
        }
        
        .w-6rem {
            width: 6rem;
        }
        
        .w-5rem {
            width: 5rem;
        }
        
        .w-4rem {
            width: 4rem;
        }
        
        .w-3_5rem {
            width: 3.5rem;
        }
        
        .w-7rem {
            width: 7rem;
        }
        
        .w-16rem {
            width: 16rem;
        }
        
        .w-10rem {
            width: 10rem;
        }
        
        .w-8rem {
            width: 8rem;
        }
        
        .h-full {
            height: 100%;
        }
        
        .h-0_25rem {
            height: 0.25rem;
        }
        
        .h-5rem {
            height: 5rem;
        }
        
        .h-4rem {
            height: 4rem;
        }
        
        .h-3_5rem {
            height: 3.5rem;
        }
        
        .h-7rem {
            height: 7rem;
        }
        
        .h-16rem {
            height: 16rem;
        }
        
        .h-6rem {
            height: 6rem;
        }
        
        .h-10rem {
            height: 10rem;
        }
        
        .h-8rem {
            height: 8rem;
        }
        
        .h-500px {
            height: 500px;
        }
        
        .h-auto {
            height: auto;
        }
        
        /* 最大宽度 */
        .max-w-36rem {
            max-width: 36rem;
        }
        
        .max-w-56rem {
            max-width: 56rem;
        }
        
        .max-w-48rem {
            max-width: 48rem;
        }
        
        /* 外边距 */
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }
        
        .mr-1rem {
            margin-right: 1rem;
        }
        
        .mb-1rem {
            margin-bottom: 1rem;
        }
        
        .mb-1_5rem {
            margin-bottom: 1.5rem;
        }
        
        .mb-2rem {
            margin-bottom: 2rem;
        }
        
        .mb-2_5rem {
            margin-bottom: 2.5rem;
        }
        
        .mb-4rem {
            margin-bottom: 4rem;
        }
        
        .mt-4rem {
            margin-top: 4rem;
        }
        
        /* 内边距 */
        .pt-1rem {
            padding-top: 1rem;
        }
        
        .px-2rem {
            padding-left: 2rem;
            padding-right: 2rem;
        }
        
        .px-1_5rem {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        
        .px-1rem {
            padding-left: 1rem;
            padding-right: 1rem;
        }
        
        .py-1rem {
            padding-top: 1rem;
            padding-bottom: 1rem;
        }
        
        .py-0_5rem {
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        
        .py-4rem {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        
        .py-2rem {
            padding-top: 2rem;
            padding-bottom: 2rem;
        }
        
        .p-2rem {
            padding: 2rem;
        }
        
        /* 边框圆角 */
        .rounded-circle {
            border-radius: 9999px;
        }
        
        .rounded-sm {
            border-radius: 0.5rem;
        }
        
        .rounded-md {
            border-radius: 0.75rem;
        }
        
        .rounded-lg {
            border-radius: 1rem;
        }
        
        /* 背景色 */
        .bg-white {
            background-color: var(--color-white);
        }
        
        .bg-neutral {
            background-color: var(--color-neutral);
        }
        
        .bg-primary {
            background-color: var(--color-primary);
        }
        
        .bg-secondary {
            background-color: var(--color-secondary);
        }
        
        .bg-transparent {
            background-color: transparent;
        }
        
        /* 透明背景变体 */
        .bg-white-5 {
            background-color: rgba(255, 255, 255, 0.05);
        }
        
        .bg-white-10 {
            background-color: rgba(217 33 33, 0.1);
        
        }
        
        .bg-white-15 {
            background-color: rgba(255, 255, 255, 0.15);
        }
        
        .bg-white-20 {
            background-color: rgba(255, 255, 255, 0.2);
        }
        
        .bg-primary-10 {
            background-color: rgba(0, 51, 102, 0.1);
        }
        
        .bg-primary-80 {
            background-color: rgba(0, 51, 102, 0.8);
        }
        
        .bg-secondary-10 {
            background-color: rgba(230, 57, 70, 0.1);
        }
        
        .bg-secondary-20 {
            background-color: rgba(230, 57, 70, 0.2);
        }
        
        /* 文字颜色 */
        .text-white {
            color: var(--color-white);
        }
        
        .text-primary {
            color: var(--color-primary);
        }
        
        .text-secondary {
            color: var(--color-secondary);
        }
        
        .text-dark {
            color: var(--color-dark);
        }
        
        .text-gray-light {
            color: #f3f4f6;
        }
        
        .text-dark-70 {
            color: rgba(30, 41, 59, 0.7);
        }
        
        .text-dark-80 {
            color: rgba(30, 41, 59, 0.8);
        }
        
        .text-white-50 {
            color: rgba(255, 255, 255, 0.5);
        }
        
        .text-white-70 {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .text-white-80 {
            color: rgba(255, 255, 255, 0.8);
        }
        
        /* 字体粗细 */
        .font-bold {
            font-weight: 700;
        }
        
        .font-medium {
            font-weight: 500;
        }
        
        .font-semibold {
            font-weight: 600;
        }
        
        /* 字体大小 */
        .text-xs {
            font-size: 0.875rem;
            line-height: 1.25rem;
        }
        
        .text-md {
            font-size: 1.125rem;
            line-height: 1.75rem;
        }
        
        .text-lg {
            font-size: 1.25rem;
            line-height: 1.75rem;
        }
        
        .text-xl {
            font-size: 1.5rem;
            line-height: 2rem;
        }
        
        .text-2xl {
            font-size: 1.875rem;
            line-height: 2.25rem;
        }
        
        .text-5xl {
            font-size: 3rem;
            line-height: 1;
        }
        
        .text-9xl {
            font-size: 8rem;
            line-height: 1;
        }
        
        /* 行高 */
        .line-tight {
            line-height: 1.2;
        }
        
        .line-relaxed {
            line-height: 1.625;
        }
        
        /* 字间距 */
        .letter-wide {
            letter-spacing: 0.05em;
        }
        
        /* 阴影 */
        .shadow-light {
            box-shadow: var(--shadow-light);
        }
        
        .shadow-medium {
            box-shadow: var(--shadow-medium);
        }
        
        .shadow-medium-light {
            box-shadow: var(--shadow-medium-light);
        }
        
        /* 边框 */
        .border {
            border-width: 1px;
        }
        
        .border-white-80 {
            border-color: rgba(255, 255, 255, 0.8);
        }
        
        /* 模糊效果 */
        .backdrop-blur-sm {
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        
        .backdrop-blur-md {
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        
        .blur-xl {
            filter: blur(64px);
            -webkit-filter: blur(64px);
        }
        
        .blur-lg {
            filter: blur(40px);
            -webkit-filter: blur(40px);
        }
        
        /* 混合模式 */
        .mix-overlay {
            mix-blend-mode: overlay;
        }
        
        /* 透明度 */
        .opacity-10 {
            opacity: 0.1;
        }
        
        /* 过渡效果 */
        .transition {
            transition: var(--transition-normal);
        }
        
        /* 悬停效果 */
        .hover-bg-white-10:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .hover-bg-white-15:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        
        .hover-bg-secondary-90:hover {
            background-color: rgba(230, 57, 70, 0.9);
        }
        
        .hover-shadow-medium:hover {
            box-shadow: var(--shadow-medium);
        }
        
        .hover-shadow-medium-light:hover {
            box-shadow: var(--shadow-medium-light);
        }
        
        .hover-text-white:hover {
            color: var(--color-white);
        }
        
        /* 弹性收缩 */
        .flex-shrink-0 {
            flex-shrink: 0;
        }
        
        /* 动画 */
        .animate-bounce {
            animation: bounce 1s infinite;
        }
        
        @keyframes bounce {
            0%, 100% {
                transform: translateY(-25%);
                animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
            }
            50% {
                transform: translateY(0);
                animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
            }
        }
        
        /* 定位偏移 */
        .bottom--1rem {
            bottom: -1rem;
        }
        
        .right--1rem {
            right: -1rem;
        }
        
        .top--1rem {
            top: -1rem;
        }
        
        .left--1rem {
            left: -1rem;
        }
        
        .bottom--1_5rem {
            bottom: -1.5rem;
        }
        
        .right--1_5rem {
            right: -1.5rem;
        }
        
        .top--1_5rem {
            top: -1.5rem;
        }
        
        .left--1_5rem {
            left: -1.5rem;
        }
        
        /* ========== 网格布局（响应式） ========== */
        .grid {
            display: grid;
            gap: 1.5rem;
        }
        
        /* 移动端默认 */
        .grid-1 {
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        
        .grid-feature {
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        
        .grid-policy {
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        
        .grid-service {
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        
        .grid-case {
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        
        .grid-footer {
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        
        /* 平板 (768px) */
        @media (min-width: 768px) {
            .grid-feature {
                grid-template-columns: repeat(4, 1fr);
            }
            
            .grid-policy {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .grid-service {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .grid-case {
                grid-template-columns: repeat(4, 1fr);
            }
            
            .grid-footer {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* 桌面 (1024px) */
        @media (min-width: 1024px) {
            .grid-1 {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .grid-policy {
                grid-template-columns: repeat(3, 1fr);
            }
            
            /* 大屏隐藏/显示 */
            .desktop-hide {
                display: none;
            }
            
            .desktop-show {
                display: block;
            }
            
            /* 排序 */
            .order-1 {
                order: 1;
            }
            
            .order-2 {
                order: 2;
            }
        }
        
        /* ========== 组件样式 ========== */
        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 1rem 2rem;
            border-radius: 0.5rem;
            font-weight: 500;
            margin-bottom: 10px;
            transition: var(--transition-normal);
        }
        
        .btn-primary {
            background-color: var(--color-white);
            color: var(--color-primary);
            box-shadow: var(--shadow-medium);
            margin-right: 10px;
        }
        
        .btn-primary:hover {
            box-shadow: var(--shadow-medium-light);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.8);
            color: var(--color-white);
            
        }
        
        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        
        /* 分割线 */
        .divider {
            width: 6rem;
            height: 0.25rem;
            background-color: var(--color-secondary);
            margin: 2.5rem auto;
        }
        
        .divider-left {
            width: 6rem;
            height: 0.25rem;
            background-color: var(--color-secondary);
            margin: 2.5rem 0;
        }