/* 模拟更优雅的字体 Inter 若加载失败则回退 */
        @import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700&display=swap');


        /* 标题通用样式 */
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
            background: linear-gradient(135deg, #0b3b5f, #1b6b8f);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -0.3px;
            margin-top: 100px;
        }
        .section-title:after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--font-main-color);
            border-radius: 4px;
            margin-top: 8px;
        }
        .section-sub {
            margin-bottom: 2rem;
            color: #2c6979;
            border-left: 3px solid var(--font-main-color);
            padding-left: 1rem;
            font-weight: 500;
        }

        /* 产品参数网格 */
        .params-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            background: #f9fbfd;
            border-radius: 1.5rem;
            padding: 1.8rem;
            margin-bottom: 2.5rem;
            /*border: 1px solid #e2edf2;*/
        }
        .params-grid2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
            gap: 1.5rem;
            background: #f9fbfd;
            border-radius: 1.5rem;
            padding: 1.8rem;
            margin-bottom: 2.5rem;
            /*border: 1px solid #e2edf2;*/
        }
        .param-card {
            background: white;
            border-radius: 1.2rem;
            padding: 1.2rem 1.5rem;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
            transition: all 0.2s ease;
            border: 1px solid #e9f0f3;
        }
        .param-card:hover {
            transform: translateY(-3px);
            border-color: #cde3ec;
            box-shadow: 0 12px 20px -12px rgba(0, 0, 0, 0.1);
        }
        .param-label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
            color: var(--font-main-color);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .param-label i {
            font-size: 1rem;
        }
        .param-value {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0a2e3f;
            word-break: break-word;
        }
        .param-unit {
            font-size: 0.9rem;
            font-weight: 400;
            color: #5f7f8c;
            margin-left: 0.25rem;
        }
        .param-desc {
            font-size: 0.85rem;
            color: #5e7e8c;
            margin-top: 0.5rem;
        }
        .formula {
            font-family: 'Courier New', monospace;
            background: #eef3f7;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
            font-size: 0.9rem;
        }

        /* 产品优势 + 图片区域 */
        .advantages-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2.8rem;
            background: #ffffff;
            border-radius: 1.5rem;
            padding:60px 40px;
        }
        .advantages-list {
            flex: 2;
            min-width: 260px;
        }
        .advantage-item {
            background: #fafeff;
            margin-bottom: 1.3rem;
            padding: 0.2rem 0 0.2rem 1rem;
            /* border-left: 4px solid var(--font-sub-color); */
            transition: 0.1s;
        }
        .advantage-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--font-default-color);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.5rem;
        }
        .advantage-title i {
            color: var(--font-main-color);
            font-size: 1.3rem;
        }
        .advantage-desc {
            color: #2c4e5e;
            line-height: 1.5;
            font-size: 0.95rem;
        }
        .image-placeholder {
            flex: 1.2;
            min-width: 240px;
            background: linear-gradient(145deg, #eef5fa, #e0edf3);
            border-radius: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 1.5rem;
            text-align: center;
            border: 1px solid #cfe3ec;
            box-shadow: 0 8px 18px rgba(0,0,0,0.03);
        }
        .image-placeholder i {
            font-size: 4rem;
            color: var(--font-main-color);
            margin-bottom: 1rem;
        }
        .image-placeholder p {
            font-weight: 500;
            color: #0b5e7a;
            margin-top: 0.5rem;
        }
        .radar-badge {
            background: rgba(44,156,212,0.1);
            border-radius: 60px;
            padding: 0.4rem 1rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: #1b6f8f;
            display: inline-block;
            margin-top: 1rem;
        }

        /* 表格容器（响应式滚动） */
        .table-wrapper {
            overflow-x: auto;
            margin: 1.8rem 0 1rem;
            border-radius: 1.2rem;
            border: 1px solid #e2edf2;
            background: white;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.02);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
            min-width: 880px;
        }
        .compare-table th {
            background: #1e5f77;
            color: white;
            font-weight: 600;
            padding: 1rem 1rem;
            font-size: 0.9rem;
            text-align: center;
            border-right: 1px solid #3484a0;
        }
        .compare-table th:last-child {
            border-right: none;
        }
        .compare-table td {
            border: 1px solid #e2edf2;
            padding: 1rem 1rem;
            vertical-align: top;
            background-color: #ffffff;
            color: #1f4152;
        }
        .compare-table tr:nth-child(even) td {
            background-color: #fafefd;
        }
        .compare-table td:first-child {
            font-weight: 700;
            background-color: #f1f7fb;
            color: #0b4b62;
            width: 130px;
            text-align: center;
        }
        .highlight-tech {
            background: linear-gradient(120deg, #e9f5fb, #ffffff);
            border-left: 3px solid var(--font-main-color);
            font-weight: 500;
        }
        .compare-table td:not(:first-child) {
            line-height: 1.45;
        }
        .badge {
            background: #e2f0f5;
            border-radius: 20px;
            padding: 0.2rem 0.6rem;
            font-size: 0.7rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 4px;
            color: #1e627b;
        }
        .tech-icon {
            margin-right: 4px;
        }

        /* 脚注说明 */
        .footnote {
            font-size: 0.75rem;
            color: #6f9bb0;
            border-top: 1px solid #e0ecf2;
            margin-top: 2rem;
            margin-bottom: 2rem;
            padding-top: 1rem;
            text-align: right;
        }

        @media (max-width: 720px) {
            .section-title {
                font-size: 1.5rem;
            }
            .param-value {
                font-size: 1.1rem;
            }
            .advantage-title {
                font-size: 1rem;
            }
        }