/* Css for , Version=1774246037 */
 
.files-list {display: block; padding: 5px; margin: 0; background-color: @color-gray-pale;}
.files-list > li {position: relative; display: block; float: left; padding: 0; margin: 5px; position: relative;}
.files-list > li > a {color: #666; display: block; height: 70px; min-width: 70px; line-height: 60px; padding: 3px; max-width: 400px; overflow: hidden; text-align: center;background-color: #fff; opacity: 0.9; border: 1px solid #ddd}
.files-list > li > a:hover {opacity: 1; box-shadow: 0 1px 6px rgba(0, 0, 0, 0.3); border-color: #ccc; color: #506EAF;text-decoration: none;}
.files-list > li > a > img, .files-list > li > a > img:hover{max-width: 200px; max-height: 100%; box-shadow: none; margin: 0}
.files-list:empty {display: none;}
.files-list > li.file > a {line-height: 25px; padding: 40px 30px 5px; max-width: 240px; white-space:nowrap; text-overflow:ellipsis; -o-text-overflow:ellipsis; overflow:hidden;}
.files-list > li.file > a:before {display: block; width: 100%; font-size: 30px; position: absolute; top: 10px; text-align: center; left: 0; content: '\e6d4'; font-family: ZenIcon;}
.files-list > li.files-list-heading {float: none; display: block; color: #999;font-weight: bold;}
.files-list > li .file-actions {display: block; position: absolute; right: 0; top: 0;} 
.files-list > li .file-actions > a {opacity: 0; display: inline-block; background-color: #D9E8F5; color: #666; padding: 3px 7px;}
.files-list > li:hover .file-actions > a,.files-list > li .file-actions > a:hover {opacity: 1; background-color: #145BCC; color: #fff; text-decoration: none;}

.files-list > li.file.file-zip > a:before, .files-list > li.file.file-rar > a:before {content: '\e751'}
.files-list > li.file.file-doc > a:before {content: '\e72c';}
.files-list > li.file > .file-md5 {display: none}
.files-list > li.file > .file-download {top: 3px; right: 5px; position: absolute; font-size: 12px; opacity: .5}

        :root {
            --primary-blue: #0056b3; /* Si Atom Blue */
            --text-main: #333;
            --bg-color: #ffffff;
            --chlorine-green: #2ecc71; /* Cl Atom Green */
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
            margin: 0;
            padding: 10px 0; 
            background-color: var(--bg-color);
            color: var(--text-main);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }
        .header-title {
            font-size: 1.6rem; 
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 5px;
            text-align: center;
            letter-spacing: 1px;
        }
        .header-subtitle {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 12px;
            text-align: center;
        }
        .formula sub {
            font-size: 70%;
            vertical-align: sub;
        }
        /* 3D 容器 - 高度在您提供的基础上再次缩小 1/4 (333px * 0.75 ≈ 250px) */
        #canvas-container {
            width: 90%; 
            max-width: 500px; 
            height: 250px; /* 关键修改：缩小后的高度 */
            position: relative;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            border-radius: 10px;
            background: #f8f8f8;
            overflow: hidden;
        }
        .css-label-renderer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }
        .interaction-hint {
            font-size: 11px; 
            position: absolute;
            bottom: 8px;
            left: 50%;
            transform: translateX(-50%);
            color: #888;
            pointer-events: none;
            background: rgba(255,255,255,0.8);
            padding: 3px 10px;
            border-radius: 12px;
            z-index: 11;
        }
        .atom-label {
            font-size: 11px; 
            color: white;
            padding: 1px 3px;
            border-radius: 3px;
            font-weight: bold;
            text-shadow: 0 0 2px rgba(0,0,0,0.5);
            pointer-events: none;
        }
        .si-label { background-color: var(--primary-blue); }
        .h-label { background-color: #666; color: #eee; }
        .cl-label { background-color: var(--chlorine-green); color: #fff; }
        @media (max-width: 768px) {
            #canvas-container {
                height: 220px; 
            }
        }