* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #f5f7fa;
            color: #1e2b3c;
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部区域 */
        .header {
            background: linear-gradient(135deg, #0b2b4d 0%, #1a4b7a 100%);
            color: #fff;
            padding: 18px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i {
            color: #6bc5ff;
            font-size: 2rem;
        }

        .logo span {
            color: #6bc5ff;
        }

        .nav {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 1rem;
        }

        .nav a {
            color: #e9f2fa;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s;
            border-bottom: 2px solid transparent;
            padding-bottom: 4px;
        }

        .nav a:hover {
            color: #fff;
            border-bottom-color: #6bc5ff;
        }

        /* 首屏区域 */
        .hero {
            background: linear-gradient(145deg, #ffffff 0%, #edf4fc 100%);
            padding: 120px 0 100px;
            border-bottom: 1px solid #d9e6f2;
        }

        .hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 30px;
        }

        .hero-text {
            flex: 1 1 372px;
        }

        .hero-text h1 {
            font-size: 2.5rem;
            line-height: 1.3;
            color: #0a2a44;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .hero-text .highlight {
            color: #1a6fb0;
            background: linear-gradient(120deg, #d4edff 0%, #d4edff 40%, transparent 80%);
            padding: 0 8px;
            display: inline-block;
        }

        .hero-text p {
            font-size: 1.15rem;
            color: #2a4058;
            margin: 50px 0px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary, .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            font-size: 1rem;
            transition: all 0.25s;
            text-align: center;
        }

        .btn-primary {
            background: #1a6fb0;
            color: #fff;
            box-shadow: 0 8px 16px -6px rgba(26,111,176,0.4);
            border: 1px solid #1a6fb0;
        }

        .btn-primary:hover {
            background: #0e5a96;
            border-color: #0e5a96;
            transform: translateY(-2px);
            box-shadow: 0 12px 20px -8px rgba(26,111,176,0.5);
        }

        .btn-secondary {
            background: transparent;
            color: #1a6fb0;
            border: 2px solid #1a6fb0;
        }

        .btn-secondary:hover {
            background: #1a6fb0;
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            flex: 1 1 200px;
            background: #fff;
            border-radius: 28px;
            padding: 30px 28px;
            box-shadow: 0 18px 35px -12px rgba(0,40,80,0.15);
            border: 1px solid #d9e8f5;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-item i {
            font-size: 1.8rem;
            color: #1a6fb0;
            margin-bottom: 8px;
            display: block;
        }

        .stat-number {
            font-size: 2.1rem;
            font-weight: 800;
            color: #1a6fb0;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #46688a;
            font-weight: 500;
        }

        /* 通用标题 */
        .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: #0a2a44;
            margin-bottom: 18px;
            position: relative;
        }

        .section-sub {
            text-align: center;
            color: #4b6580;
            max-width: 720px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }

        /* 服务区块 */
        .services {
            padding: 70px 0;
            background: #ffffff;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: #f9fcff;
            border-radius: 24px;
            padding: 32px 24px;
            border: 1px solid #d9e8f5;
            transition: all 0.3s;
            box-shadow: 0 6px 14px rgba(0,0,0,0.02);
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 36px -16px rgba(26,111,176,0.25);
            border-color: #b3d4f0;
            background: #ffffff;
        }

        .service-icon {
            font-size: 2.2rem;
            margin-bottom: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #e2effb;
            width: 64px;
            height: 64px;
            border-radius: 20px;
            color: #1a6fb0;
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #103450;
        }

        .service-card p {
            color: #3d5670;
            font-size: 0.9rem;
            margin-bottom: 18px;
        }

        .service-list {
            list-style: none;
            margin-top: 8px;
        }

        .service-list li {
            padding: 6px 0;
            color: #1e3b56;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-list li i {
            color: #1a6fb0;
            font-size: 0.9rem;
            width: 16px;
        }

        /* 服务详情扩展区块 */
        .service-detail {
            background: #edf4fc;
            padding: 70px 0;
        }

        .detail-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .detail-item {
            background: #fff;
            border-radius: 20px;
            padding: 28px 22px;
            text-align: center;
            box-shadow: 0 6px 16px rgba(0,0,0,0.02);
            border: 1px solid #d4e4f2;
            transition: all 0.25s;
        }

        .detail-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 28px -12px rgba(26,111,176,0.25);
        }

        .detail-item i {
            font-size: 2.4rem;
            color: #1a6fb0;
            margin-bottom: 12px;
        }

        .detail-item h4 {
            font-size: 1.2rem;
            margin: 8px 0 12px;
            color: #0a2a44;
        }

        .detail-item p {
            color: #4a627c;
            font-size: 0.96rem;
        }

        /* 优势/为什么选择 */
        .features {
            background: #ffffff;
            padding: 70px 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .feature-item {
            background: #f9fcff;
            border-radius: 20px;
            padding: 28px 22px;
            text-align: center;
            box-shadow: 0 6px 16px rgba(0,0,0,0.02);
            border: 1px solid #d4e4f2;
            transition: all 0.2s;
        }

        .feature-item:hover {
            border-color: #b3d4f0;
        }

        .feature-item h4 {
            font-size: 1.2rem;
            margin: 16px 0 12px;
            color: #0a2a44;
        }

        .feature-item p {
            color: #4a627c;
            font-size: 0.96rem;
        }

        .feature-icon {
            font-size: 2.4rem;
            color: #1a6fb0;
        }

        /* 服务流程 */
        .process {
            background: #edf4fc;
            padding: 70px 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            margin-top: 30px;
            counter-reset: step;
        }

        .process-step {
            background: #fff;
            border-radius: 20px;
            padding: 28px 20px;
            text-align: center;
            position: relative;
            border: 1px solid #d4e4f2;
            box-shadow: 0 6px 16px rgba(0,0,0,0.02);
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #1a6fb0;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .process-step h4 {
            font-size: 1.15rem;
            color: #0a2a44;
            margin-bottom: 10px;
        }

        .process-step p {
            color: #4a627c;
            font-size: 0.94rem;
        }

        /* 透明收费 */
        .pricing {
            padding: 70px 0;
            background: #ffffff;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .pricing-card {
            background: #f9fcff;
            border-radius: 24px;
            padding: 34px 24px;
            border: 1px solid #cde0f0;
            text-align: center;
            transition: all 0.2s;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            border-color: #1a6fb0;
            box-shadow: 0 18px 30px -12px rgba(26,111,176,0.2);
            transform: translateY(-4px);
        }

        .pricing-card h4 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #103450;
        }

        .price {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1a6fb0;
            margin: 12px 0 6px;
        }

        .price small {
            font-size: 1rem;
            font-weight: 400;
            color: #55758f;
        }

        .pricing-desc {
            color: #46688a;
            font-size: 0.96rem;
            margin: 12px 0 22px;
        }

        .pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 28px;
            flex-grow: 1;
        }

        .pricing-features li {
            padding: 8px 0;
            color: #1e3b56;
            font-size: 0.95rem;
            border-bottom: 1px solid #e2edf9;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li i {
            color: #1a6fb0;
            font-size: 0.9rem;
            width: 16px;
        }

        .pricing-btn {
            display: inline-block;
            background: #1a6fb0;
            color: #fff;
            padding: 14px 26px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.2s;
            border: none;
            width: 100%;
            max-width: 220px;
            margin: 0 auto;
            text-align: center;
        }

        .pricing-btn:hover {
            background: #0e5a96;
        }

        /* 客户评价 */
        .testimonials {
            background: #edf4fc;
            padding: 70px 0;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: 24px;
            padding: 30px 26px;
            border: 1px solid #d4e4f2;
            box-shadow: 0 6px 16px rgba(0,0,0,0.02);
            position: relative;
        }

        .testimonial-card i.fa-quote-left {
            font-size: 2rem;
            color: #d4e8ff;
            position: absolute;
            top: 20px;
            right: 26px;
        }

        .testimonial-text {
            color: #2a4058;
            font-size: 0.98rem;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            background: #1a6fb0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .testimonial-info h5 {
            font-size: 1rem;
            color: #0a2a44;
        }

        .testimonial-info span {
            font-size: 0.85rem;
            color: #6a8299;
        }

        /* 常见问题 FAQ */
        .faq {
            background: #ffffff;
            padding: 70px 0;
            overflow: hidden;
        }

        .faq-list {
            /* max-width: 860px; */
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .faq-item {
            background: #f9fcff;
            border-radius: 16px;
            margin-bottom: 16px;
            border: 1px solid #d9e8f5;
            overflow: hidden;
            transition: all 0.2s;
            width: 49%;
            /* float: left; */
        }
@media screen and (max-width:640px){
.faq-item {
    
    width: 99%;
  
}
    
}
        .faq-item:hover {
            border-color: #b3d4f0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            color: #103450;
            font-size: 1.05rem;
            gap: 16px;
        }

        .faq-question i {
            color: #1a6fb0;
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: #3d5670;
            font-size: 0.96rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        /* 联系方式 / 微信二维码 */
        .contact-section {
            background: linear-gradient(135deg, #0b2b4d, #1a4b7a);
            color: #fff;
            padding: 70px 0;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            align-items: center;
        }

        .contact-info h3 {
            font-size: 1.4rem;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .contact-info p {
            opacity: 0.9;
            margin-bottom: 24px;
        }

        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 1.05rem;
        }

        .contact-method i {
            width: 44px;
            height: 44px;
            background: rgba(255,255,255,0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #6bc5ff;
            flex-shrink: 0;
        }

        .contact-method strong {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
        }

        .contact-method a {
            color: #fff;
            text-decoration: none;
        }

        .contact-method a:hover {
            color: #6bc5ff;
        }

        .qr-box {
            text-align: center;
            background: #fff;
            border-radius: 24px;
            padding: 28px 24px;
            box-shadow: 0 18px 35px -12px rgba(0,0,0,0.3);
            max-width: 280px;
            margin: 0 auto;
            float: right;
        }

        .qr-box img {
            width: 100%;
            max-width: 200px;
            height: auto;
            border-radius: 12px;
            margin-bottom: 14px;
            border: 1px solid #e2edf9;
        }

        .qr-box .qr-label {
            color: #0a2a44;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .qr-box .qr-sub {
            color: #55758f;
            font-size: 0.88rem;
        }

        /* CTA 区块 */
        .cta-section {
            background: #ffffff;
            padding: 60px 0;
            text-align: center;
            border-bottom: 1px solid #e2edf9;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            margin-bottom: 16px;
            font-weight: 700;
            color: #0a2a44;
        }

        .cta-section p {
            font-size: 1.1rem;
            margin-bottom: 30px;
            color: #4b6580;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: #1a6fb0;
            color: #fff;
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            text-decoration: none;
            transition: all 0.25s;
            box-shadow: 0 8px 18px rgba(26,111,176,0.3);
        }

        .cta-btn:hover {
            background: #0e5a96;
            transform: translateY(-3px);
            box-shadow: 0 16px 28px rgba(26,111,176,0.4);
        }

        /* 页脚 */
        .footer {
            background: #0a1f30;
            color: #b7cee2;
            padding: 20px 0;
            font-size: 0.95rem;
        }
@media screen and (max-width:640px){
  .qr-box {
            
            float: none;
        }
    
}
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .footer-links a {
            color: #b7cee2;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-copyright {
            color: #819bb3;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                gap: 16px;
                align-items: flex-start;
            }

            .nav {
                gap: 18px;
                font-size: 0.95rem;
                flex-wrap: wrap;
                display: none;
            }

            .hero {
                padding: 40px 0 40px;
            }

            .hero-text h1 {
                font-size: 1.9rem;
            }

            .hero-text p {
                font-size: 1rem;
                margin: 20px 0px;
            }

            .hero-buttons .btn-primary,
            .hero-buttons .btn-secondary {
                width: 100%;
                padding: 14px 20px;
            }

            .hero-stats {
                padding: 22px 18px;
                gap: 16px;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .section-sub {
                font-size: 1rem;
            }

            .services, .service-detail, .features, .process, .pricing, .testimonials, .faq, .contact-section {
                padding: 50px 0;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-btn {
                padding: 14px 32px;
                font-size: 1rem;
                width: 100%;
            }

            .footer-inner {
                flex-direction: column;
                text-align: center;
            }

            .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 1.4rem;
            }

            .hero-text h1 {
                font-size: 1.4rem;
            }

            .hero-stats {
                grid-template-columns: 1fr;
            }

            .service-card {
                padding: 24px 18px;
            }

            .pricing-card {
                padding: 26px 18px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.98rem;
            }
        }

        /* 工具类 */
        .text-center {
            text-align: center;
        }

        .mt-4 {
            margin-top: 24px;
        }

        .mb-2 {
            margin-bottom: 12px;
        }
        
        a[href="https://beian.miit.gov.cn/"] {
    font-size: 14px;
    color: #819bb3;
    text-decoration: none;
}
a[href="https://beian.miit.gov.cn/"]:hover {
    color: #fff;
    text-decoration: underline;
}