@font-face {
  font-family: 'HanYiZhongYuan';
  src: url('font/ººÒÇÖÐÔ²¼ò.ttf') format('truetype');
}

body {
    background-image: url('../image/metal-bg.jpg');
    background-color: #2c2c2c;
    background-blend-mode: overlay;
    color: #e0e0e0;
    font-family: 'HanYiZhongYuan', serif;
}

#tbar {
    background: linear-gradient(145deg, #4a4a4a, #333333);
    border-bottom: 1px solid #666666;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

button {
    background: linear-gradient(145deg, #5a5a5a, #444444);
    border: 1px solid #777777;
    color: #e0e0e0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

button:hover {
    background: linear-gradient(145deg, #6a6a6a, #555555);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

#out {
    background-color: rgba(30, 30, 30, 0.85);
    border: 1px solid #555555;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

#menu {
    background: linear-gradient(145deg, #444444, #333333);
    border-right: 1px solid #666666;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}