thinking {
  visibility: hidden;
}
T {
    font-size: 14px;
    color: #f44aff; 
    font-weight: bold;
    position: relative;
    display: inline-block;
    cursor: zoom-in;
    padding-bottom: 1px;
}
T na {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px); 
    width: auto;
    height: auto;
    font-family: 'Noto Sans SC', 'ZCOOL XiaoWei', sans-serif;
    background: #1f1f29; 
    border: 1px solid #9effff;
    padding: 5px 10px; 
    border-radius: 5px;
    color: #e6e6ff;
    font-size: 0.95em; 
    z-index: 10;
    white-space: nowrap;
    transition: opacity 0.2s ease-out, visibility 0.2s ease-out, transform 0.2s ease-out; 
    pointer-events: none;
    box-shadow: 0 3px 8px rgba(0,0,0,0.6); 
}
T na::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px 6px 0;
    border-style: solid;
    border-color: #f44aff transparent transparent;
}
T:hover na {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(-5px); 
}
T:hover {
    font-weight:bolder;
    color: #fff34f; 
}
.tr-main {
    width: 98%;
    margin: 1%;
    padding: 15px;
    background: #1a472a;
    border: 4px solid #2d5a3d;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    color: #469df3;
    image-rendering: pixelated;
}
.tr-window {
    background: #0f2817;
    border: 2px solid #3d7a5d;
    margin: 5px;
    padding: 10px;
    position: relative;
}
.tr-header {
    background: #2d5a3d;
    padding: 8px;
    margin-bottom: 10px;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.tr-btn {
    background: #3d7a5d;
    border: none;
    color: #469df3;
    padding: 5px 10px;
    cursor: pointer;
    margin: 2px;
}
.tr-btn:hover {
    background: #4d8a6d;
}
.tr-pixel {
    position: relative;
}
.tr-pixel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 49%, #3d7a5d 49%, #3d7a5d 51%, transparent 51%);
    pointer-events: none;
    opacity: 0.1;
}
.tr-details {
    border-left: 3px solid #3d7a5d;
    margin-left: 10px;
    padding-left: 10px;
}