* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    font-family: Arial, sans-serif;
}

.monitor-wrapper {
    width: 96%; /* 显示器宽度为屏幕96% */
    height: 96%; /* 显示器高度为屏幕96% */
    display: flex;
    justify-content: center;
    align-items: center;
}

.monitor {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 15px;
    position: relative;
    box-shadow: 0 0 30px rgba(0,0,0,0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.screen-bezel {
    width: 100%;
    height: calc(100% - 60px);
    padding: 10px;
    background: #222;
    border-radius: 8px 8px 0 0;
}

.screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 4px;
    overflow: hidden;
}

.screen iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.bottom-panel {
    width: 100%;
    height: 60px;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-top: 1px solid #444;
}

.feedback-btn {
    position: absolute;
    right: 60px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    padding: 8px 20px;
    background: linear-gradient(145deg, #3a3a3a, #2a2a2a);
    border-radius: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.brand-logo img {
    height: 40px;
    filter: 
        drop-shadow(0 0 5px rgba(255, 255, 255, 0.7))
        drop-shadow(0 0 10px rgba(255, 255, 255, 0.5))
        drop-shadow(0 0 15px rgba(255, 255, 255, 0.3));
    transition: filter 0.3s ease;
}

.brand-logo:hover img {
    filter: 
        drop-shadow(0 0 8px rgba(255, 255, 255, 0.8))
        drop-shadow(0 0 16px rgba(255, 255, 255, 0.6))
        drop-shadow(0 0 24px rgba(255, 255, 255, 0.4));
}

.power-btn {
    position: absolute;
    right: 20px;
    width: 14px;
    height: 14px;
    background: #555;
    border-radius: 50%;
    border: 1px solid #444;
}

.power-btn:before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 8px;
    height: 8px;
    background: #0f0;
    border-radius: 50%;
    opacity: 0.7;
}