/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body, #cesiumContainer {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

/* 加载提示 */
.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #00d4ff;
    font-size: 18px;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.9);
    padding: 20px 40px;
    border-radius: 4px;
    font-family: 'Microsoft YaHei', sans-serif;
    letter-spacing: 2px;
}

/* 飞机信息面板 - 跟随飞机 */
.flight-info {
    position: absolute;
    background: rgba(0, 20, 40, 0.95);
    border: 2px solid #00d4ff;
    border-radius: 12px;
    padding: 15px 20px;
    color: #fff;
    font-family: 'Microsoft YaHei', sans-serif;
    z-index: 3000;
    display: none;
    min-width: 220px;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    pointer-events: none;
    transform: translate(-50%, -120%);
}

.flight-info.show {
    display: block;
}

.flight-info h3 {
    color: #00d4ff;
    font-size: 16px;
    margin-bottom: 10px;
    text-align: center;
    border-bottom: 1px solid #00d4ff;
    padding-bottom: 8px;
}

.flight-info .info-row {
    display: flex;
    justify-content: space-between;
    margin: 8px 0;
    font-size: 13px;
}

.flight-info .label {
    color: #aaa;
}

.flight-info .value {
    color: #00d4ff;
    font-weight: bold;
    font-family: 'Consolas', monospace;
}

/* 视角提示 */
.camera-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #00d4ff;
    font-size: 14px;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;
    border-radius: 20px;
    font-family: 'Microsoft YaHei', sans-serif;
    display: none;
}

.camera-hint.show {
    display: block;
}