/* ===================================
   布局 & 层级管理
   =================================== */

/* 3D 容器 */
#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#canvas-container.interactive {
    cursor: pointer;
}

/* UI 层级 - 标题和提示 */
#ui-layer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

/* 高级转场特效层 */
#speed-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 15;
    background: radial-gradient(circle, transparent 40%, rgba(255, 255, 255, 0.1) 45%, transparent 50%);
    background-size: 200% 200%;
    opacity: 0;
    pointer-events: none;
    transform: scale(1);
}

#cloud-fog {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    backdrop-filter: blur(0px);
    background: radial-gradient(circle, rgba(220, 240, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 60%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    pointer-events: none;
    transform: scale(0.8);
}

/* 2D 界面容器 */
#map-interface,
#list-interface {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    display: none;
    background: radial-gradient(circle at 50% 30%, #e0f2fe 0%, #f8fafc 100%);
}

#list-interface {
    z-index: 6;
    background: #f8fafc;
    background-image: linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* 企业详情页容器 */
#detail-interface {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 7;
    display: none;
    opacity: 0;
    background: #f8fafc;
}

/* 面包屑导航 */
#breadcrumb-container {
    position: absolute;
    top: 20px;
    left: 8px;
    text-gray-400;
    font-size: 0.875rem;
    z-index: 40;
}

#breadcrumb-container.hidden {
    display: none;
}

/* 移动端布局优化 */
@media (max-width: 768px) {
    #ui-layer {
        width: 90%;
    }

    #breadcrumb-container {
        top: 72px; /* 避免被固定头部遮挡 */
    }
}