/* ========== 嘉泰姆电子 数据手册公共样式 ========== */
        .jtm-tech-article {
            max-width: 1280px;
            margin: 0 auto;
            background: #ffffff;
            color: #1e2a3e;
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
            line-height: 1.55;
            padding: 2rem 1.8rem;
            border-radius: 0;
            box-shadow: none;
        }
        .jtm-tech-article h1 {
            font-size: 2.1rem;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 0.5rem;
            color: #0a3b4f;
            border-left: 5px solid #1c7e9c;
            padding-left: 1.2rem;
            letter-spacing: -0.3px;
        }
        .jtm-tech-article h2 {
            font-size: 1.7rem;
            margin: 1.8rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid #e2edf2;
            color: #135e7a;
            font-weight: 600;
        }
        .jtm-tech-article h3 {
            font-size: 1.35rem;
            margin: 1.5rem 0 0.8rem 0;
            color: #1f6e8c;
            font-weight: 600;
            padding-left: 0.4rem;
            border-left: 3px solid #3193b5;
        }
        .jtm-tech-article p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .jtm-tech-article table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.9rem;
            background: #fff;
            border: 1px solid #cfdfed;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 2px rgba(0,0,0,0.02);
        }
        .jtm-tech-article th {
            background: #e9f2f7;
            color: #0c4e6e;
            font-weight: 700;
            padding: 10px 12px;
            border: 1px solid #cbdbe0;
        }
        .jtm-tech-article td {
            border: 1px solid #dce5ec;
            padding: 8px 12px;
            vertical-align: top;
        }
        .jtm-tech-article ul, 
        .jtm-tech-article ol {
            margin: 0.8rem 0 1rem 1.6rem;
            list-style-type: disc !important;
        }
        .jtm-tech-article li {
            margin: 0.3rem 0;
            display: list-item;
        }
        .jtm-note {
            background: #f8fafc;
            border-left: 4px solid #2c8eb3;
            padding: 0.8rem 1.2rem;
            margin: 1rem 0;
            font-size: 0.9rem;
            border-radius: 10px;
            color: #2d4a6e;
        }
        .jtm-link-card {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            background: #f0f6fa;
            border-radius: 24px;
            padding: 1.2rem 1.5rem;
            margin: 2rem 0 1.5rem;
            justify-content: space-between;
            align-items: center;
            border: 1px solid #d2e3ef;
        }
        .jtm-link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        .jtm-tech-article .jtm-btn,
        .jtm-tech-article .jtm-btn:link,
        .jtm-tech-article .jtm-btn:visited {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: #ffffff !important;
            border: 2px solid #1c6f94 !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: 40px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            color: #1c6f94 !important;
            text-decoration: none !important;
            opacity: 1 !important;
            transition: 0.2s ease;
            cursor: pointer;
            line-height: 1.2;
        }
        .jtm-tech-article .jtm-btn-primary,
        .jtm-tech-article .jtm-btn-primary:link,
        .jtm-tech-article .jtm-btn-primary:visited {
            background-color: #1c6f94 !important;
            border-color: #1c6f94 !important;
            color: #ffffff !important;
        }
        .jtm-tech-article .jtm-btn:hover {
            background-color: #e4f0f7 !important;
            color: #0a4c6e !important;
            border-color: #0f5a7a !important;
        }
        .jtm-tech-article .jtm-btn-primary:hover {
            background-color: #0f5474 !important;
            border-color: #0f5474 !important;
            color: #ffffff !important;
        }
        .jtm-tech-article a:not(.jtm-btn) {
            color: #1a7196;
            text-decoration: none;
            border-bottom: 1px dotted #8dc0d6;
        }
        .jtm-tech-article a:not(.jtm-btn):hover {
            color: #0b4f6c;
            border-bottom: 1px solid;
        }
        .jtm-footer-note {
            margin-top: 2.5rem;
            font-size: 0.75rem;
            text-align: center;
            border-top: 1px solid #dce5ec;
            padding-top: 1.2rem;
            color: #6c8ea2;
        }
        @media (max-width: 780px) {
            .jtm-tech-article { padding: 1rem; }
            .jtm-link-card { flex-direction: column; align-items: flex-start; }
        }
        .img-beauty-bg {
            background: linear-gradient(145deg, #f6fafd 0%, #e9f0f5 100%);
            border-radius: 24px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            text-align: center;
            border: 1px solid rgba(49, 147, 181, 0.2);
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
        }
        .img-placeholder {
            background: rgba(255,255,255,0.6);
            border: 2px dashed #3193b5;
            border-radius: 20px;
            padding: 2rem 1rem;
            color: #1f6e8c;
            font-size: 0.9rem;
            font-family: monospace;
        }
        .formula-block {
            background: #f2f6f9;
            font-family: 'Courier New', monospace;
            padding: 0.8rem 1rem;
            border-radius: 12px;
            margin: 1rem 0;
            overflow-x: auto;
        }
        .power-note {
            background: #e8f0fe;
            border-left: 4px solid #1c7e9c;
            padding: 0.8rem 1.2rem;
            margin: 1rem 0;
            border-radius: 10px;
        }
        .warning-note {
            background: #fff5e6;
            border-left: 4px solid #e67e22;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            border-radius: 12px;
        }