:root{--bg-color:#ffffff;--tab-inactive-bg:#ececec;--tab-active-bg:#ffffff;--tab-border:#cccccc;--status-bar-bg:#007acc;--status-bar-fg:#ffffff;--text-color:#4a4a4a;--border-color:#e1e1e1;--font-ui:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-code:"Menlo","Monaco","Courier New",monospace;}body{margin:0;padding:0;font-family:var(--font-ui);background-color:#f3f3f3;height:100vh;display:flex;justify-content:center;align-items:center;overflow:hidden;}.editor-window{width:95%;height:95%;background-color:var(--bg-color);box-shadow:0 10px 30px rgba(0,0,0,0.2);display:flex;flex-direction:column;border:1px solid #bbb;border-radius:8px;overflow:hidden;}.title-bar{display:flex;justify-content:center;align-items:center;background:linear-gradient(to bottom,#efefef,#e5e5e5);height:28px;border-bottom:1px solid #ccc;position:relative;flex-shrink:0;}.window-controls{position:absolute;left:10px;display:flex;gap:8px;}.control{width:12px;height:12px;border-radius:50%;border:1px solid rgba(0,0,0,0.1);cursor:pointer;transition:filter 0.1s;}.control:hover{filter:brightness(0.85);}.control:active{filter:brightness(0.7);}.control.close{background-color:#ff5f56;border-color:#e0443e;}.control.minimize{background-color:#ffbd2e;border-color:#dea123;}.control.maximize{background-color:#27c93f;border-color:#1aab29;}.window-title{font-size:13px;color:#444;font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-weight:500;user-select:none;}.tabs-bar{display:flex;background-color:#f3f3f3;border-bottom:1px solid var(--border-color);height:35px;align-items:flex-end;padding-left:0;margin:0;overflow-x:auto;}.tab{padding:8px 15px;font-size:13px;color:#666;background-color:var(--tab-inactive-bg);cursor:pointer;border-right:1px solid var(--border-color);text-decoration:none;display:flex;align-items:center;min-width:100px;}.tab.active{background-color:var(--tab-active-bg);color:var(--text-color);border-top:1px solid var(--status-bar-bg);}.file-icon{font-family:"Menlo","Consolas",monospace;font-weight:bold;font-size:12px;margin-right:8px;}.file-icon.md{color:#519aba;}.file-icon.cpp{color:#007acc;}.tab .icon{width:14px;height:14px;margin-right:6px;opacity:0.7;}.tab:hover{background-color:#fff;}.editor-content{flex:1;overflow-y:auto;padding:20px 15%;font-family:var(--font-ui);line-height:1.6;color:var(--text-color);}.editor-content h1,.editor-content h2,.editor-content h3{border-bottom:1px solid #eee;padding-bottom:0.3em;}.editor-content code{background-color:#f6f8fa;padding:2px 4px;border-radius:3px;font-family:var(--font-code);font-size:0.9em;}.editor-content pre{background-color:#f6f8fa;padding:15px;border-radius:4px;overflow-x:auto;}.status-bar{height:22px;background-color:var(--status-bar-bg);color:var(--status-bar-fg);display:flex;justify-content:space-between;align-items:center;padding:0 10px;font-size:12px;font-family:var(--font-ui);}.status-left,.status-right{display:flex;gap:15px;}.status-item{display:flex;align-items:center;cursor:default;}.status-item:hover{background-color:rgba(255,255,255,0.2);}.line-numbers{color:#bbb;margin-right:15px;user-select:none;font-family:var(--font-code);text-align:right;display:none;}.editor-content table{width:100%;border-collapse:collapse;margin-bottom:1em;table-layout:fixed;}.editor-content th,.editor-content td{padding:8px 0;border-bottom:1px solid #eee;text-align:left;vertical-align:top;}.editor-content th:nth-child(1),.editor-content td:nth-child(1){width:85%;padding-right:10px;}.editor-content th:nth-child(2),.editor-content td:nth-child(2){width:15%;text-align:right;white-space:nowrap;}.email-image{height:1.3em;vertical-align:middle;margin-left:5px;opacity:0.8;}.about-header{overflow:auto;margin-bottom:25px;}.about-avatar{margin-bottom:20px;}.about-avatar img{width:140px;height:auto;border-radius:8px;display:block;}.about-intro{flex:1;}.about-intro h4{margin-top:5px;margin-bottom:10px;}