/* ----- 完全隔离的模块 – 不影响外部页面，不撑大父容器 ----- */
        .led-substrate-module {
            display: block;
            font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
            background: transparent;
            line-height: 1.5;
            /* 关键：不设置固定宽度，由父容器决定 */
            width: 100%;
            max-width: 100%;
            margin: 0;
            padding: 0;
        }

        .led-substrate-module * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 卡片容器 - 不使用固定最大宽度，由父容器自然约束 */
        .led-substrate-module .led-card {
            background: white;
            border-radius: 2rem;
            box-shadow: 0 25px 40px -15px rgba(199, 36, 177, 0.15);
            padding: 1.5rem 1.5rem;
            border: 1px solid #f0e4f0;
            width: 100%;
            max-width: 100%;
            /* 不使用固定margin，让父容器控制 */
        }

        /* accent #c724b1 */
        .led-substrate-module .accent-clr {
            color: #c724b1;
        }
        .led-substrate-module .accent-bg {
            background: #c724b1;
            color: white;
        }
        .led-substrate-module .accent-border {
            border-color: #c724b1;
        }

        .led-substrate-module .header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .led-substrate-module .header i {
            font-style: normal;
            font-size: 1.8rem;
            color: #c724b1;
        }
        .led-substrate-module .header h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1e293b;
            margin: 0;
        }
        .led-substrate-module .header h2 span {
            color: #c724b1;
        }

        .led-substrate-module .intro-pitch {
            background: #fcf2fb;
            border-radius: 1.5rem;
            padding: 1rem 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 5px solid #c724b1;
            font-size: 0.95rem;
            color: #2d3a4c;
            line-height: 1.5;
        }
        .led-substrate-module .intro-pitch .pitch-em {
            color: #c724b1;
            font-weight: 600;
        }

        .led-substrate-module .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 1rem;
            border: 1px solid #ece3f0;
        }
        .led-substrate-module table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            font-size: 0.85rem;
            min-width: 700px;
        }
        .led-substrate-module th {
            background: #fbf2fc;
            color: #2c2c3a;
            font-weight: 600;
            padding: 0.8rem;
            text-align: center;
            border-bottom: 2px solid #c724b1;
        }
        .led-substrate-module td {
            padding: 0.7rem 0.8rem;
            border-bottom: 1px solid #ede7f0;
            text-align: center;
            vertical-align: top;
        }
        .led-substrate-module tr:last-child td {
            border-bottom: none;
        }
        .led-substrate-module .param-left {
            font-weight: 600;
            color: #1e293b;
            text-align: left;
            background-color: #fcfaff;
        }
        .led-substrate-module .check-y {
            color: #c724b1;
            font-weight: 600;
        }
        .led-substrate-module .check-n {
            color: #94a3b8;
        }
        .led-substrate-module .note-highlight {
            color: #c724b1;
            font-weight: 500;
        }

        .led-substrate-module .advanced-row {
            background: #f9f2fc;
            border-radius: 1.5rem;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border: 1px dashed #c724b1;
            gap: 1rem;
        }
        .led-substrate-module .advanced-left {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .led-substrate-module .advanced-left i {
            font-size: 1.6rem;
            color: #c724b1;
        }
        .led-substrate-module .advanced-text {
            font-size: 0.9rem;
        }
        .led-substrate-module .advanced-text strong {
            color: #c724b1;
        }

        .led-substrate-module .badge {
            background: #f0e6f0;
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            font-size: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .led-substrate-module .badge i {
            color: #c724b1;
            font-style: normal;
        }

        .led-substrate-module .promo-box {
            background: #f7f0fa;
            border-radius: 1.5rem;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-left: 5px solid #c724b1;
            gap: 1rem;
        }
        .led-substrate-module .promo-left {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .led-substrate-module .promo-left i {
            font-size: 1.5rem;
            color: #c724b1;
        }
        .led-substrate-module .promo-right {
            background: #c724b1;
            color: white;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .led-substrate-module .footer-note {
            margin-top: 1.5rem;
            text-align: right;
            color: #a0afc0;
            font-size: 0.75rem;
        }
        .led-substrate-module .footer-note span {
            background: #c724b1;
            width: 40px;
            height: 3px;
            display: inline-block;
            border-radius: 4px;
            margin-right: 6px;
        }

        /* 响应式 - 让表格在小屏幕上可滚动 */
        @media (max-width: 768px) {
            .led-substrate-module .led-card {
                padding: 1rem;
            }
            .led-substrate-module .header h2 {
                font-size: 1.2rem;
            }
            .led-substrate-module .intro-pitch {
                font-size: 0.85rem;
                padding: 0.8rem 1.2rem;
            }
        }