/* ==========================================================================
           【沙盒级隔离样式】全部使用 tosfil- 前缀，彻底绝缘，不碰任何外部标签和页脚
           ========================================================================== */
        
        .tosfil-main-block {
            width: 100%;
            background-color: #ffffff; /* 按照要求：整个页面的底色彻底改为纯白色 */
            padding: 2.5rem 0;
            box-sizing: border-box;
        }

        /* 仅在当前模块内重置盒模型，绝不扩散到外部页脚 */
        .tosfil-main-block *, 
        .tosfil-main-block *::before, 
        .tosfil-main-block *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        .tosfil-main-block .tosfil-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 1.5rem 1.25rem;
        }

        /* 品牌头部 */
        .tosfil-main-block .tosfil-brand-header {
            text-align: center;
            margin-bottom: 2.5rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .tosfil-main-block .tosfil-brand-header h1 {
            font-family: 'Montserrat', 'Inter', system-ui, sans-serif;
            font-weight: 800; 
            font-size: 2.1rem;
            letter-spacing: -0.02em;
            color: #000000;
        }
        .tosfil-main-block .tosfil-brand-header p {
            font-family: 'Inter', system-ui, sans-serif;
            color: #4a5568;
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }

        /* 模块大卡片 */
        .tosfil-main-block .tosfil-module-card {
            background: #ffffff;
            border-radius: 1.5rem;
            border: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.06), 
                        0 5px 15px -3px rgba(0, 0, 0, 0.02);
            margin-bottom: 2.5rem;
            overflow: hidden;
            position: relative;
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                        box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                        border-color 0.4s ease;
        }
        
        /* 鼠标悬浮框框时的动态阴影加深效果 */
        .tosfil-main-block .tosfil-module-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 45px -10px rgba(0, 0, 0, 0.1), 
                        0 10px 20px -5px rgba(0, 0, 0, 0.03);
            border-color: rgba(255, 139, 0, 0.25);
        }

        /* 悬浮底线动效（橙色点缀） */
        .tosfil-main-block .tosfil-module-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: #ff8b00;
            transform: scaleX(0);
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .tosfil-main-block .tosfil-module-card:hover::after {
            transform: scaleX(1);
        }

        /* 左右对齐弹性网格 */
        .tosfil-main-block .tosfil-module-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: stretch; 
            padding: 2.5rem;
        }

        /* 左侧文字区 */
        .tosfil-main-block .tosfil-text-content {
            display: flex;
            flex-direction: column;
            gap: 1.1rem;
            justify-content: center; 
        }
        
        /* 橙色小胶囊标签 */
        .tosfil-main-block .tosfil-text-content .tosfil-badge {
            font-family: 'Inter', system-ui, sans-serif;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: #ff8b00; 
            background-color: rgba(255, 139, 0, 0.08); 
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.9rem;
            border-radius: 30px;
            width: fit-content;
            line-height: 1;
        }
        .tosfil-main-block .tosfil-text-content .tosfil-badge::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            background-color: #ff8b00;
            border-radius: 50%;
        }

        .tosfil-main-block .tosfil-text-content h2 {
            font-family: 'Montserrat', 'Inter', system-ui, sans-serif;
            font-weight: 700; 
            font-size: 1.8rem;
            line-height: 1.25;
            color: #000000;
            letter-spacing: -0.01em;
        }
        
        /* 橙色垂直装饰条（左对齐点缀） */
        .tosfil-main-block .tosfil-text-content .tosfil-subhead {
            font-family: 'Inter', system-ui, sans-serif;
            font-size: 1.05rem;
            font-weight: 600;
            color: #111111; 
            border-left: 3.5px solid #ff8b00; 
            padding-left: 0.8rem;
            margin: 0.1rem 0;
            line-height: 1.4;
        }
        
        .tosfil-main-block .tosfil-text-content p {
            font-family: 'Inter', system-ui, sans-serif;
            color: #444444; 
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        .tosfil-main-block .tosfil-text-content strong {
            color: #000000;
            font-weight: 600;
        }
        
        .tosfil-main-block .tosfil-text-content .tosfil-desc-group {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        /* 右侧单图自动对齐区 */
        .tosfil-main-block .tosfil-image-area {
            width: 100%;
            border-radius: 1.25rem;
            overflow: hidden;
            background-color: #fafafa;
            border: 1px solid rgba(0, 0, 0, 0.03);
            display: flex;
            align-items: center;
            height: 100%;
        }
        .tosfil-main-block .tosfil-image-area img {
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .tosfil-main-block .tosfil-module-card:hover .tosfil-image-area img {
            transform: scale(1.03);
        }

        /* ==========================================================================
           响应式媒体查询
           ========================================================================== */
        @media (max-width: 980px) {
            .tosfil-main-block .tosfil-module-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 2rem;
            }
            .tosfil-main-block .tosfil-image-area {
                aspect-ratio: 1.6 / 1;
            }
        }

        @media (max-width: 768px) {
            .tosfil-main-block .tosfil-container {
                padding: 1rem;
            }
            .tosfil-main-block .tosfil-brand-header h1 {
                font-size: 1.7rem;
            }
            .tosfil-main-block .tosfil-text-content h2 {
                font-size: 1.5rem;
            }
            .tosfil-main-block .tosfil-module-card {
                margin-bottom: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .tosfil-main-block .tosfil-module-grid {
                padding: 1.5rem 1.25rem;
                gap: 1.5rem;
            }
            .tosfil-main-block .tosfil-text-content h2 {
                font-size: 1.35rem;
            }
            .tosfil-main-block .tosfil-text-content .tosfil-subhead {
                font-size: 0.95rem;
            }
        }