html, body {
            margin: 0 !important;
            padding: 0 !important;
            width: 100% !important;
            background: #F7F7F7 !important;
            font-family: 'Poppins', sans-serif;
            overflow-x: hidden;
        }
        * {box-sizing: border-box;}
        img {max-width: 100%; border: none; display: block;}
        
        /* 手机自适应 */
        @media(max-width:768px){
            .section-title h2{font-size:24px !important; line-height:1.3 !important;}
            .section-title p{font-size:15px !important;}
            .card-grid{grid-template-columns:1fr !important; gap:20px !important;}
            .card-box{padding:35px 20px !important;}
            .icon-circle{width:70px !important; height:70px !important;}
            .icon-circle img{width:62px !important;height:62px !important;}
            .cta-btn{padding:14px 26px !important; font-size:16px !important;}
        }