*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;font-size:20px;line-height:1.8;color:#4A3728;background:#fff}
        img{max-width:100%;height:auto;display:block}
        a{color:inherit;text-decoration:none}
        .container{width:92%;max-width:1200px;margin:0 auto;padding:0 16px}
        .section,.hero{overflow-x:hidden}
        .cards-grid,.audience-grid,.features-grid,.compare-wrap,.lab-images,.footer-grid{min-width:0}
        .card,.audience-item,.feature-card,.compare-box{min-width:0;overflow-wrap:break-word;word-break:break-word}

        /* 顶部医院信息栏 */
        .top-bar{background:#C75B39;color:#fff;padding:10px 0;font-size:16px}
        .top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
        .top-bar span{margin-right:20px}
        .top-bar .tel{font-weight:bold;font-size:18px}

        /* 导航 */
        .navbar{background:#fff;border-bottom:1px solid #FFE4D0;padding:12px 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(199,91,57,.06)}
        .navbar .container{display:flex;justify-content:space-between;align-items:center}
        .logo{font-size:22px;font-weight:bold;color:#C75B39;display:flex;align-items:center;gap:10px}
        .logo-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
        .nav-links{display:flex;gap:28px;font-size:16px}
        .nav-links a{color:#555;transition:color .3s}
        .nav-links a:hover{color:#C75B39}
        .mobile-menu{display:none;font-size:24px;cursor:pointer;color:#C75B39}
        .nav-links.mobile-show{display:flex;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:0 8px 24px rgba(0,0,0,.12);border-top:1px solid #FFE4D0;z-index:99}
        .nav-links.mobile-show a{padding:12px 16px;border-bottom:1px solid #FFF0E6;font-size:18px;color:#4A3728}
        .nav-links.mobile-show a:last-child{border-bottom:none}

        /* 主标题区 */
        .hero{background:linear-gradient(135deg,#FFF5EB 0%,#FFE4D0 50%,#FFF0E6 100%);padding:50px 0 40px;text-align:center;overflow-x:hidden}
        .hero h1{font-size:34px;color:#C75B39;margin-bottom:16px;font-weight:700;line-height:1.3;word-break:break-word}
        .hero .subtitle{font-size:20px;color:#8B6F4E;margin-bottom:25px;max-width:800px;margin-left:auto;margin-right:auto;padding:0 16px}
        .tag{display:inline-block;background:#C75B39;color:#fff;padding:8px 20px;border-radius:20px;font-size:16px;margin-bottom:18px;font-weight:600}

        /* 内容区块通用 */
        .section{padding:45px 0;overflow-x:hidden}
        .section-title{font-size:28px;color:#C75B39;margin-bottom:16px;font-weight:700;text-align:center;position:relative;padding-bottom:15px;word-break:break-word;line-height:1.3}
        .section-title::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#C75B39;border-radius:2px}
        .section-subtitle{text-align:center;color:#8B6F4E;font-size:18px;margin-bottom:35px;max-width:700px;margin-left:auto;margin-right:auto;padding:0 16px;word-break:break-word}

        /* 引言区 */
        .intro-section{background:#fff}
        .intro-box{background:#FFF8F3;border-left:4px solid #C75B39;padding:24px 28px;border-radius:0 12px 12px 0;margin:20px 0;font-size:19px;color:#4A3728;line-height:1.9}
        .highlight{color:#C75B39;font-weight:600}
        .intro-box p{margin-bottom:12px}
        .intro-box p:last-child{margin-bottom:0}

        /* 六大癌种卡片 */
        .mechanism-section{background:#FFF8F3}
        .cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:25px}
        .card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(199,91,57,.08);transition:transform .3s,box-shadow .3s;border:1px solid #FFE4D0}
        .card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(199,91,57,.15)}
        .card-icon{width:100%;height:50px;background:linear-gradient(135deg,#FFF0E6,#FFE4D0);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;color:#C75B39;font-weight:700}
        .card h3{font-size:22px;color:#C75B39;margin-bottom:10px;font-weight:600}
        .card p{color:#4A3728;font-size:18px;line-height:1.8}

        /* 癌种表格 */
        .table-container{overflow-x:auto;margin:25px 0;border-radius:12px;box-shadow:0 4px 16px rgba(199,91,57,.1)}
        table{width:100%;border-collapse:collapse;background:#fff;font-size:18px}
        th{background:linear-gradient(135deg,#C75B39,#D4653F);color:#fff;padding:14px;text-align:left;font-weight:600;font-size:19px}
        td{padding:12px 14px;border-bottom:1px solid #FFE4D0;color:#4A3728;font-size:18px}
        tr:nth-child(even){background:#FFF8F3}

        /* 实验室图片 */
        .lab-images{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:25px 0}
        .lab-images img{width:100%;border-radius:12px;box-shadow:0 4px 16px rgba(199,91,57,.12);opacity:0;transform:translateY(20px);transition:opacity .8s ease-out,transform .8s ease-out}
        .lab-images img.loaded{opacity:1;transform:translateY(0)}

        /* 亮点列表 */
        .feature-list{list-style:none;padding:0;margin:18px 0}
        .feature-list li{padding:14px 0 14px 50px;position:relative;font-size:19px;margin-bottom:10px;background:#FFF8F3;border-radius:10px}
        .feature-list li::before{content:"✓";position:absolute;left:12px;top:50%;transform:translateY(-50%);width:28px;height:28px;background:#C75B39;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:bold}

        /* 适用人群 */
        .audience-section{background:#fff}
        .audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:25px}
        .audience-item{background:#FFF8F3;border-radius:12px;padding:20px 22px;display:flex;align-items:flex-start;gap:14px;border:1px solid #FFE4D0}
        .audience-item .num{min-width:36px;height:36px;background:#C75B39;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:bold;flex-shrink:0}
        .audience-item p{color:#4A3728;font-size:18px;line-height:1.7}
        .audience-item p strong{color:#C75B39}

        /* 疗效对比 */
        .compare-section{background:#FFF0E6}
        .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:25px}
        .compare-box{background:#fff;border-radius:12px;padding:28px;position:relative;overflow:hidden}
        .compare-box.traditional{border-top:4px solid #999}
        .compare-box.new{border-top:4px solid #C75B39}
        .compare-box h4{font-size:20px;margin-bottom:14px;color:#333;font-weight:600}
        .compare-box.traditional h4{color:#888}
        .compare-box.new h4{color:#C75B39}
        .compare-box ul{list-style:none}
        .compare-box li{padding:8px 0;padding-left:24px;position:relative;color:#555;font-size:17px;line-height:1.6}
        .compare-box li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%}
        .compare-box.traditional li::before{background:#bbb}
        .compare-box.new li::before{background:#C75B39}
        .vs-circle{position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:46px;height:46px;background:#C75B39;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:14px;box-shadow:0 4px 12px rgba(199,91,57,.3)}

        /* 核心亮点 */
        .features-section{background:#fff}
        .features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:25px}
        .feature-card{background:#FFF8F3;border:1px solid #FFE4D0;border-radius:12px;padding:24px;text-align:center;transition:all .3s}
        .feature-card:hover{border-color:#C75B39;box-shadow:0 6px 20px rgba(199,91,57,.1);transform:translateY(-3px)}
        .feature-num{width:48px;height:48px;background:linear-gradient(135deg,#C75B39,#D4653F);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:bold;margin:0 auto 14px}
        .feature-card h4{font-size:20px;color:#C75B39;margin-bottom:10px;font-weight:600}
        .feature-card p{color:#4A3728;font-size:17px;line-height:1.7}

        /* 引用框 */
        .quote{font-size:21px;color:#C75B39;font-weight:600;text-align:center;padding:25px;background:#FFF0E6;border-radius:15px;margin:25px 0;border:2px dashed #FFD4C4;line-height:1.8}

        /* CTA区 */
        .cta-section{background:linear-gradient(135deg,#C75B39,#D4653F);color:#fff;text-align:center;padding:50px 20px}
        .cta-section h2{font-size:28px;margin-bottom:16px;color:#fff}
        .cta-section p{font-size:19px;margin-bottom:25px;opacity:.95;max-width:700px;margin-left:auto;margin-right:auto}
        .cta-btn{display:inline-block;background:#fff;color:#C75B39;padding:14px 40px;border-radius:30px;font-size:20px;font-weight:bold;transition:all .3s;box-shadow:0 4px 16px rgba(0,0,0,.15);margin-bottom:15px}
        .cta-btn:hover{background:#FFF0E6;transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
        .cta-tel{margin-top:12px;font-size:18px;opacity:.9}
        .phone-number-big{font-size:32px;font-weight:700;color:#FFE4D0;letter-spacing:2px;margin:10px 0}

        /* 二维码区 */
        .qr-section{background:linear-gradient(135deg,#FFF8F3,#FFEEE0);border-radius:18px;padding:30px 20px;text-align:center;margin:25px auto;max-width:500px;border:2px solid #FFD4C4}
        .qr-section h3{color:#C75B39;font-size:22px;margin-bottom:15px;font-weight:600}
        .qr-section img{width:160px;height:160px;border-radius:12px;box-shadow:0 4px 16px rgba(199,91,57,.2);margin:10px auto}
        .qr-section p{color:#8B6F4E;font-size:17px;margin-top:10px}

        /* 页脚 */
        .footer{background:#3D2B1F;color:#fff;padding:35px 0 20px;font-size:15px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px;margin-bottom:25px}
        .footer h4{font-size:17px;margin-bottom:14px;color:#FFD4C4}
        .footer p,.footer a{color:#E8D5C4;line-height:2;font-size:15px}
        .footer a:hover{color:#FFD4C4}
        .copyright{text-align:center;padding-top:18px;border-top:1px solid #5C4033;color:#C4A882;font-size:14px}

        /* 图片懒加载 */
        .section-img{width:100%;max-width:1000px;margin:25px auto;border-radius:12px;box-shadow:0 4px 20px rgba(199,91,57,.08);opacity:0;transform:translateY(30px);transition:opacity .8s ease-out,transform .8s ease-out}
        .section-img.loaded{opacity:1;transform:translateY(0)}
        .img-wrap{text-align:center;padding:0}

        /* 响应式 */
        @media(max-width:768px){
            body{font-size:18px}
            .hero{padding:35px 0 25px}
            .hero h1{font-size:26px}
            .hero .subtitle{font-size:17px}
            .section-title{font-size:24px}
            .section-subtitle{font-size:16px}
            .section{padding:30px 0}
            .nav-links{display:none}
            .mobile-menu{display:block}
            .compare-wrap{grid-template-columns:1fr}
            .lab-images{grid-template-columns:1fr;gap:10px}
            .footer-grid{grid-template-columns:1fr;gap:20px}
            .top-bar .container{flex-direction:column;text-align:center;gap:6px}
            .cards-grid{grid-template-columns:1fr}
            .features-grid{grid-template-columns:1fr}
            .audience-grid{grid-template-columns:1fr}
            .card{padding:20px}
            .audience-item{padding:16px 18px}
            .feature-card{padding:20px}
            .compare-box{padding:20px}
            .cta-section{padding:35px 16px}
            .cta-section h2{font-size:24px}
            .cta-section p{font-size:17px}
            .cta-btn{padding:12px 32px;font-size:18px}
            .intro-box{padding:18px 20px;font-size:17px}
            .phone-number-big{font-size:26px}
            .qr-section img{width:140px;height:140px}
            table{font-size:16px}
            th,td{padding:10px}
            .feature-list li{font-size:17px}
        }
        @media(max-width:480px){
            .hero{padding:28px 0 20px}
            .hero h1{font-size:22px}
            .section-title{font-size:21px}
            .card,.compare-box{padding:16px}
            .intro-box{padding:14px 16px}
            .tag{font-size:14px;padding:6px 16px}
            .logo{font-size:18px}
            .logo-icon{width:30px;height:30px;font-size:15px}
            .top-bar span{margin-right:10px;font-size:14px}
            .top-bar .tel{font-size:16px}
            .phone-number-big{font-size:22px}
        }