/*这是知识图谱的样式*/
#zhishitupu-content {
    position: fixed; 
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000005;
    z-index: 1; 
    overflow: hidden;
    opacity: 0;
    animation: fadeInGraph 0.8s ease-in-out forwards;
}

@keyframes fadeInGraph {
    from { opacity: 0; }
    to { opacity: 1; }
}

#zstp-vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    background: 
        radial-gradient(circle at center, transparent 40%, rgba(0, 5, 10, 0.6) 90%, #000 100%),
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 80px 80px, 80px 80px;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.8);
}

#ui-layer {
    position: absolute;
    bottom: 30px;
    right: 20px; 
    z-index: 10;
    pointer-events: none;
    color: #0ff;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 5px #0ff;
}

/* HUD 面板 */
.hud-panel {
    background: transparent;
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-left: 3px solid #0ff;
    padding: 20px;
    backdrop-filter: blur(8px); 
    clip-path: polygon(0 0, 100% 0, 100% 85%, 92% 100%, 0 100%);
    width: 260px;
    transition: transform 0.3s ease, opacity 0.5s ease;
    position: relative;
    pointer-events: auto; 
}

.hud-panel:hover {
    transform: translateX(5px);
    background: transparent;
}

.hud-close-btn {
    position: absolute;
    top: 5px;
    right: 10px;
    background: transparent;
    border: none;
    color: rgba(0, 255, 255, 0.6);
    font-size: 20px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    transition: all 0.3s ease;
    z-index: 20;
    padding: 0 5px;
}

.hud-close-btn:hover {
    color: #0ff;
    text-shadow: 0 0 8px #0ff;
    transform: scale(1.1);
}

#zhishitupu-content h1 {
    margin: 0 0 15px 0; 
    font-size: 24px;
    line-height: 1.4;  
    font-weight: 900;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #fff, #0ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-bottom: 2px; 
}

.subtitle {
    font-family: 'Rajdhani', sans-serif;
    color: #3498db;
    font-size: 14px;
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.8;
}

.controls {
    margin-top: 15px;   
    font-size: 13px;
    color: #8899aa;
    font-family: 'Rajdhani', sans-serif;
    line-height: 1.8;
}

.key {
    color: #fff;
    font-weight: bold;
    background: rgba(0, 255, 255, 0.15);
    padding: 1px 5px;
    border-radius: 3px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    font-size: 0.9em;
}

/* 加载动画 */
#zstp-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #0ff;
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    letter-spacing: 5px;
    text-shadow: 0 0 20px #0ff;
    z-index: 999;
    transition: opacity 0.5s;
    text-align: center;
    pointer-events: none;
}

.scan-line {
    width: 200px;
    height: 2px;
    background: #0ff;
    box-shadow: 0 0 15px #0ff;
    animation: scan 1.5s infinite ease-in-out;
    margin: 15px auto 0;
}

@keyframes scan {
    0% { transform: scaleX(0); opacity: 0; }
    50% { transform: scaleX(1); opacity: 1; }
    100% { transform: scaleX(0); opacity: 0; }
}


#graph-wrapper {
    width: 100%;
    height: 100%;
}

#graph-wrapper canvas {
    display: block;
    outline: none;
}