.sgnkf-section {
            width: 100%;
            position: relative;
            overflow: hidden;
        }
        .sgnkf-bg-section {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .sgnkf-section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .sgnkf-section-title h2 {
            font-size: 44px;
            font-weight: 900;
            color: #333;
            margin-bottom: 8px;
        }
        .sgnkf-section-title p.desc {
            font-size: 22px;
            color: #333;
        }

       /* ========== 模块1 首屏Banner 高度804px ========== */
.sgnkf-header-banner {
    display: flex;
    align-items: center;
}
.sgnkf-header-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    /* 强制文字在前，图片在后，不会错乱 */
    flex-direction: row;
}
/* 文字块占左侧空间 */
.sgnkf-header-text {
    flex: 0 0 48%;
    min-width: 320px;
}
/* 图片块固定右侧 */
.sgnkf-header-img {
    flex: 0 0 48%;
    min-width: 320px;
    order: 2; /* 强制排在第二列（右侧） */
}
.sgnkf-header-text h1 {
    font-size: 80px;
    font-weight: 300;
    letter-spacing: 6px;
    color: #222;
    line-height: 1;
    margin-bottom: 20px;
}
.sgnkf-header-text .xtbg { 
    width:50px; 
    height:5px; 
    background-color:#00A0A9; 
    margin-top:30px; 
    margin-bottom:60px;
}
.sgnkf-header-text img{width: 250px;}
.sgnkf-header-text p.sub-title {
    font-size: 44px;
    color: #333;
    font-weight: bold;
    margin: 8px 0 12px;
}
.sgnkf-header-text p.sub-desc {
    font-size: 22px;
    color: #333;
}
.sgnkf-header-img img {
    max-width: 100%;
    height: auto;
    display: block;
}

        /* ========== 模块2 一体便携主机 高度970px 修复左右布局 ========== */
        .sgnkf-portable-section {
            min-height: 970px;
            height: 970px;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }
        .sgnkf-portable-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
        }
        .sgnkf-portable-img {
            flex: 0 0 45%;
            min-width: 300px;
        }
        .sgnkf-portable-img h2 {
            font-size: 44px;
            font-weight: 900;
            margin-bottom: 16px;
        }
        .sgnkf-portable-img p.info {
            font-size: 22px;
            color: #333;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .sgnkf-portable-text {
            flex: 0 0 45%;
            min-width: 300px;
            text-align: right;
        }
        .sgnkf-feature-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            align-items: flex-end;
        }
        .sgnkf-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: flex-end;
			margin-bottom:50px;
        }
        .sgnkf-feature-icon {
            width: 140px;
            border-radius: 50%;
            background: #e6f7f9;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .sgnkf-feature-text {
            font-size: 18px;
            font-weight: bold;
            width: 200px;
            height: 60px;
            text-align: center;
            color: #FFFFFF;
            line-height: 60px;
            background: url(../sgnkf/r15.png) center / 100% 100% no-repeat;
        }
        .sgnkf-btn-consult {
            display: inline-block;
            padding: 10px 24px;
            background: linear-gradient(90deg, #00a8b8, #008891);
            color: #fff;
            border-radius: 30px;
            text-decoration: none;
            margin-top: 20px;
        }

        /* ========== 模块3 六大专业模式 高度958px ========== */
        .sgnkf-mode-section {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 80px 0;
            background: #edf7f9;
        }
        .sgnkf-mode-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        .sgnkf-mode-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 2px 12px rgba(0,168,184,0.08);
        }
        .sgnkf-mode-card h3 {
            font-size: 35px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
			font-weight:bold;
        }
		.sgnkf-mode-card .xtbg{ width:40px; height:2px; background-color:#00A0A9; margin-left:80px; margin-bottom:20px;}
        .sgnkf-mode-card p {
            font-size: 18px;
            color: #333;
			padding-left:80px;
            margin-bottom: 16px;
        }
        .sgnkf-mode-card img {
            width: 100%;
            border-radius: 8px;
            display: block;
        }

        /* ========== 模块4 仿生结构设计 高度1454px ========== */
        .sgnkf-bionic-section {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 80px;
            padding: 100px 100px;
        }
        .sgnkf-bionic-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 60px;
            width: 100%;
        }
        .sgnkf-bionic-img {
            flex: 0 0 45%;
            min-width: 300px;
        }
        .sgnkf-bionic-img img {
            max-width: 100%;
            display: block;
        }
        .sgnkf-bionic-text {
            flex: 0 0 45%;
            min-width: 300px;
            text-align: right;
        }
        .sgnkf-bionic-text h2 {
            font-size: 44px;
            font-weight: 900;
            margin-bottom: 16px;
        }
        .sgnkf-bionic-text p.info {
            font-size: 22px;
            color: #333;
            line-height: 1.8;
        }

        /* ========== 模块5 底部三模式小图 内置模块4背景内 ========== */
        .sgnkf-bottom-mode-section {
            width: 100%;
			margin-top:100px;
        }
        .sgnkf-bottom-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sgnkf-bottom-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
        }
        .sgnkf-bottom-card img {
            width: 100%;
            display: block;
        }
        .sgnkf-bottom-card p {
            text-align: center;
            padding: 16px;
            font-size: 22px;
            font-weight: bold;
            color: #222;
			float:left;
        }
		.sgnkf-bottom-card .sgnkf-tb{ padding-top:20px;margin:auto; width:180px; margin:auto;}
	    .sgnkf-bottom-card .sgnkf-tb img{ width:60px; float:left; margin-bottom:20px;}

        /* 响应式适配 */
        /* 大屏、15.6寸笔记本 保持左右分栏 */
        @media (min-width: 769px) {
            .sgnkf-portable-text, .sgnkf-bionic-text {
                text-align: right;
            }
            .sgnkf-feature-list {
                align-items: flex-end;
            }
        }
        /* 手机平板768px以下：上下堆叠 */
        @media (max-width: 768px) {
		.sgnkf-bionic-section{padding: 10px 10px;}
            .sgnkf-header-text h1 {
                font-size: 48px;
            }
            .sgnkf-header-text p.sub-title {
                font-size: 26px;
            }
            .sgnkf-section-title h2 {
                font-size: 26px;
            }
            .sgnkf-mode-grid {
                grid-template-columns: 1fr;
            }
            .sgnkf-bottom-grid {
                grid-template-columns: 1fr;
            }
            .sgnkf-portable-wrap, .sgnkf-bionic-wrap {
                flex-direction: column;
            }
            .sgnkf-portable-img, .sgnkf-portable-text,
            .sgnkf-bionic-img, .sgnkf-bionic-text {
                flex: 0 0 100%;
                text-align: center;
            }
            .sgnkf-feature-list {
                align-items: center;
            }
            .sgnkf-feature-item {
                justify-content: center;
            }
			.sgnkf-portable-img h2{ font-size:26px;}
			.sgnkf-mode-card h3{ font-size:26px;}
			.sgnkf-bionic-text h2{ font-size:26px;}
			.sgnkf-bottom-mode-section{ margin-top:50px;}
        }