:root {
    --color-chip-card-bg: #1e2a3a;
    --color-chip-card-shadow: rgba(0,0,0,0.4);
    --color-chip-secondary: #44546A;

    /*--color-chip-card-bg: #255b63;
    --color-chip-card-border: #1e8a8a;
    --color-chip-card-shadow: rgba(0,0,0,0.25);
    --color-chip-secondary: #1c5159;*/
}
/* 芯片应用布局 */
.chip-application-layout {
    margin-top: 3rem;
    position: relative;
}

/* 左上角芯片网格卡片 */
.chip-grid-card {
    background: var(--color-chip-card-bg);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid #3a4a5a;
}

.chip-grid-card .domain-header {
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--color-chip-secondary);
    padding-bottom: 8px;
}

.chip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

/* 芯片项通用样式 */
.chip-item {
    border-radius: 30px;
    padding: 8px 5px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

/* SBC与DC-DC产品系列芯片颜色 */
.chip-secondary {
    background: var(--color-chip-secondary);  /* 深蓝灰色 */
}

/* 汽车图片 */
.car-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 25px rgba(0, 0, 0, 0.5));
}

/* 域卡片通用样式 */
.domain-card {
    background: var(--color-chip-card-bg);
    border-radius: 20px;
    padding: 20px 15px;
    height: 100%;
    box-shadow: 0 10px 20px var(--color-chip-card-shadow);
    border-left: 6px solid;
}

/* 各个域的不同颜色边框 */
.intel-domain {
    border-left-color: #0DB2ED;  /* 蓝色 - 智能化域 */
}

.body-domain {
    border-left-color: #3B69BB;  /* 紫色 - 车身域 */
}

.chassis-domain {
    border-left-color: #ED7D31;  /* 橙色 - 底盘域 */
}

.power-domain {
    border-left-color: #3FA693;  /* 绿色 - 动力域 */
}

/* 域标题 - 使用对应的颜色 */
.intel-domain .domain-header {
    color: #0DB2ED;
    border-bottom-color: rgba(13, 178, 237, 0.3);
}

.body-domain .domain-header {
    color: #3B69BB;
    border-bottom-color: rgba(59, 105, 187, 0.3);
}

.chassis-domain .domain-header {
    color: #ED7D31;
    border-bottom-color: rgba(237, 125, 49, 0.3);
}

.power-domain .domain-header {
    color: #3FA693;
    border-bottom-color: rgba(63, 166, 147, 0.3);
}

.domain-header {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid;
    text-align: left;
}

/* 功能列表 */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 8px 0 8px 5px;
    position: relative;
    font-size: 14px;
    color: #d0d8e0;
    border-bottom: 1px dashed rgba(255,255,255,0.1);
    line-height: 1.4;
}

.feature-list li:last-child {
    border-bottom: none;
}

/* 对勾符号 */
/*.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4caf50;
    font-weight: bold;
    font-size: 16px;
}*/

/* 芯片徽章通用样式 */
.chip-badge {
    display: inline-block;
    border-radius: 20px;
    padding: 2px 8px;
    margin-right: 8px;
    font-size: 11px;
    font-weight: 600;
    color: #ffffff;
    vertical-align: middle;
    white-space: nowrap;
    border: 1px solid rgba(255,255,255,0.3);
}

/* 各个域的芯片颜色类 */
.chip-blue {
    background: #0DB2ED;  /* 蓝色 - 智能化域 */
}

.chip-purple {
    background: #3B69BB;  /* 紫色 - 车身域 */
}

.chip-orange {
    background: #ED7D31;  /* 橙色 - 底盘域 */
}

.chip-green {
    background: #3FA693;  /* 绿色 - 动力域 */
}

/* 响应式调整 */
@media (max-width: 991px) {
    .chip-grid-card {
        margin-bottom: 20px;
    }

    .domain-card {
        margin-bottom: 20px;
    }

    .chip-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 576px) {
    .chip-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* 芯片应用布局 - 添加相对定位用于SVG绝对定位 */
.chip-application-layout {
    margin-top: 3rem;
    position: relative;
    min-height: 800px; /* 确保有足够高度 */
}

/* SVG连线层 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;  /* 让鼠标事件穿透到下方的卡片 */
    z-index: 5;
}

/* 连线样式 */
.connection-path {
    fill: none;
    stroke: rgba(255, 255, 255, 0.3);
    stroke-width: 2;
    stroke-dasharray: 5,5;  /* 虚线效果 */
    animation: flow 20s linear infinite;
}

/* 不同域的连线颜色 */
.connection-path.intel {
    stroke: #0DB2ED;  /* 蓝色 - 智能化域 */
    stroke-opacity: 0.5;
}

.connection-path.body {
    stroke: #3B69BB;  /* 紫色 - 车身域 */
    stroke-opacity: 0.5;
}

.connection-path.chassis {
    stroke: #ED7D31;  /* 橙色 - 底盘域 */
    stroke-opacity: 0.5;
}

.connection-path.power {
    stroke: #3FA693;  /* 绿色 - 动力域 */
    stroke-opacity: 0.5;
}

/* 流动动画 */
@keyframes flow {
    from {
        stroke-dashoffset: 0;
    }
    to {
        stroke-dashoffset: 100;  /* 虚线滚动效果 */
    }
}

/* 端点圆点 */
.connection-dot {
    fill: #ffffff;
    stroke: inherit;
    stroke-width: 2;
}

/* 确保卡片在SVG之上 */
.chip-grid-card,
.domain-card,
.car-image {
    position: relative;
    z-index: 10;
}

/* 其余现有样式保持不变... */