:root{--primary-color:#6466b3;--primary-hover:#4c4f8b;--text-color:#464646;--text-muted:#666;--text-light:#88866f;--border-color:#e8e8e8;--bg-color:#faf7ef;--card-bg:#fff;--sidebar-width:250px;--toc-width:220px;--link-color:#6466b3;--link-hover:#4c4f8b}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-color);background:var(--bg-color);min-height:101%;font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.6}a{color:var(--text-color);text-decoration:none}a:hover{color:var(--link-hover)}.top-navbar{z-index:100;background:0 0;padding:5px 0;position:sticky;top:0}.top-navbar-inner{justify-content:space-between;align-items:center;width:95%;min-width:930px;margin:0 auto;padding:0 10px;display:flex}.navbar-logo{font-size:14px}.navbar-logo a{color:var(--text-color)}.navbar-logo a:hover{color:#f60;text-decoration:none}.navbar-links{gap:20px;display:flex}.navbar-links a{color:#666;font-size:14px}.navbar-links a:hover{color:#f60;text-decoration:none}.blog-header{background:linear-gradient(135deg,#6466b3 0%,#8b8dd8 50%,#b3b5e8 100%);width:100%;min-width:0;height:160px;margin:0;padding-top:30px;position:relative;overflow:hidden}.blog-header-bg{z-index:0;background:url(/header-bg.jpg) 50%/cover no-repeat;position:absolute;inset:0}.blog-header-overlay{z-index:1;background:#0000004d;position:absolute;inset:0}.blog-header-inner{z-index:2;justify-content:space-between;align-items:flex-end;height:100%;padding:0 20px 15px;display:flex;position:relative}.blog-header-center{text-align:center;position:absolute;top:28%;left:50%;transform:translate(-50%,-50%)}.blog-title{letter-spacing:8px;font-size:200%;font-weight:700;line-height:1.5em}.blog-title a{color:#fff}.blog-title a:hover{color:#f0f0f0;text-decoration:none}.blog-subtitle{color:#ffffffbf;margin-top:12px;font-size:14px}.blog-nav{align-self:flex-end;gap:20px;display:flex}.blog-nav a{color:#ffffffd9;font-size:14px}.blog-nav 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0;font-size:12px;line-height:1.5em;display:block;overflow:hidden}.category-article-link:hover{color:var(--primary-hover);text-decoration:none}.calendar{width:229px;font-size:12px}.calendar-header{color:#333;border-bottom:1px solid #666;justify-content:space-between;align-items:center;margin-bottom:5px;padding-bottom:5px;font-weight:700;display:flex}.calendar-header button{cursor:pointer;color:var(--text-color);background:0 0;border:none;font-size:14px;font-weight:700}.calendar-header button:hover{color:var(--primary-color)}.calendar-grid{text-align:center;grid-template-columns:repeat(7,1fr);gap:0;line-height:1.5em;display:grid}.calendar-day-header{color:#666;border-bottom:1px solid #ccc;padding:4px 0;font-weight:400}.calendar-day{color:#666;padding:4px 0}.calendar-day.today{color:var(--primary-color);border:1px dotted var(--primary-color);font-weight:700}.calendar-day.has-post a{color:var(--primary-color);font-weight:700}.calendar-day.has-post 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var(--primary-color);margin-top:5px;margin-bottom:20px;padding-bottom:2px;padding-right:5px;font-size:13px}.toc-container{width:var(--toc-width);flex-shrink:0}.toc-block{position:sticky;top:20px;overflow:hidden}.toc-title{text-align:center;color:var(--primary-color);border-bottom:1px solid var(--border-color);margin-top:15px;padding:0 0 5px;font-size:110%;font-weight:700;line-height:1.5em}.toc-list{max-height:calc(100vh - 100px);padding:8px 0;list-style:none;overflow-y:auto}.toc-item{cursor:pointer;color:var(--text-light);white-space:nowrap;text-overflow:ellipsis;border-left:2px solid #0000;padding:4px 10px;font-size:13px;line-height:1.5em;transition:all .2s;overflow:hidden}.toc-item:hover{color:var(--primary-hover)}.toc-item.active{color:var(--primary-color);border-left-color:var(--primary-color);font-weight:700}.toc-list::-webkit-scrollbar{width:4px}.toc-list::-webkit-scrollbar-track{background:0 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