:root {
            --primary: <?= get_option('theme_color', '#2563eb') ?>;
            --primary-light: #3b82f6;
            --primary-rgb: <?= $_primaryRgb ?>;
            --text: #1e293b; --text-light: #64748b; --text-lighter: #94a3b8;
            --bg: #f1f5f9; --card-bg: #fff; --border: #e2e8f0;
            --radius: 12px;
            --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
            --max-width: 1200px;
            --header-bg: rgba(255,255,255,.92);
            --code-bg: #f1f5f9;
        }
        [data-theme="dark"] {
            --text: #e2e8f0; --text-light: #94a3b8; --text-lighter: #64748b;
            --bg: #0f172a; --card-bg: #1e293b; --border: #334155;
            --shadow: 0 1px 3px rgba(0,0,0,.2), 0 1px 2px rgba(0,0,0,.15);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.3), 0 4px 6px -4px rgba(0,0,0,.2);
            --header-bg: rgba(15,23,42,.92);
            --code-bg: #0f172a;
        }
        *{margin:0;padding:0;box-sizing:border-box}
        body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased}
        a{color:var(--primary);text-decoration:none;transition:color .2s}
        a:hover{color:var(--primary-light)}
        img{max-width:100%}

        .reading-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light));z-index:9999;width:0;transition:width .1s}

        .site-header{background:var(--header-bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}
        .header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
        .site-logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--text);letter-spacing:-.5px}
        .site-logo:hover{color:var(--primary)}
        .site-logo img{height:36px;width:auto}
        .header-right{display:flex;align-items:center;gap:4px}
        .site-nav{display:flex;align-items:center;gap:2px}
        .site-nav a{padding:8px 14px;color:var(--text-light);font-size:14px;font-weight:500;border-radius:8px;transition:all .2s;white-space:nowrap}
        .site-nav a:hover,.site-nav a.active{color:var(--primary);background:rgba(var(--primary-rgb),.06)}
        .nav-search{display:flex;align-items:center;margin-left:12px}
        .nav-search form{display:flex;align-items:center;position:relative}
        .nav-search input{border:1px solid var(--border);border-radius:20px;padding:7px 36px 7px 16px;font-size:13px;width:170px;outline:none;transition:all .3s;background:var(--bg)}
        .nav-search input:focus{border-color:var(--primary);width:220px;background:var(--card-bg);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.1)}
        .nav-search button{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-light);cursor:pointer;padding:4px 8px;font-size:13px;border-radius:50%;transition:color .2s}
        .nav-search button:hover{color:var(--primary)}
        .mobile-toggle{display:none;background:none;border:none;font-size:20px;color:var(--text);cursor:pointer;padding:8px;border-radius:8px}
        .mobile-toggle:hover{background:var(--bg)}
        .mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:99}
        .mobile-menu.show{display:block}
        .mobile-menu-inner{background:var(--card-bg);padding:16px;max-height:70vh;overflow-y:auto;box-shadow:0 4px 20px rgba(0,0,0,.1)}
        .mobile-menu-inner a{display:block;padding:12px 16px;color:var(--text);font-size:15px;border-radius:8px;margin-bottom:2px}
        .mobile-menu-inner a:hover{background:var(--bg)}
        .mobile-menu-inner .search-box{padding:12px 0}
        .mobile-menu-inner .search-box form{display:flex;gap:8px}
        .mobile-menu-inner .search-box input{flex:1;border:1px solid var(--border);border-radius:8px;padding:10px 16px;font-size:14px;outline:none;background:var(--bg)}
        .mobile-menu-inner .search-box button{padding:10px 16px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:14px;cursor:pointer}

        .site-main{max-width:var(--max-width);margin:0 auto;padding:32px 24px;display:grid;grid-template-columns:1fr 300px;gap:32px}
        .site-main.full-width{grid-template-columns:1fr;max-width:900px}

        .post-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:24px;transition:all .3s ease}
        .post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
        .post-card-cover-wrap{overflow:hidden;position:relative}
        .post-card-cover{width:100%;height:240px;object-fit:cover;transition:transform .5s ease;display:block}
        .post-card:hover .post-card-cover{transform:scale(1.03)}
        .post-card-body{padding:24px}
        .post-card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:12px;flex-wrap:wrap}
        .post-card-meta .cat-tag{background:rgba(var(--primary-rgb),.08);color:var(--primary);padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600}
        .post-card h2{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:10px}
        .post-card h2 a{color:var(--text)}
        .post-card h2 a:hover{color:var(--primary)}
        .post-card-excerpt{color:var(--text-light);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
        .post-card-footer{padding:14px 24px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-light)}
        .post-card-footer .author-info{display:flex;align-items:center;gap:8px}
        .post-card-footer .author-info img{width:24px;height:24px;border-radius:50%}
        .post-card-footer .stats{display:flex;gap:16px}
        .post-card-footer .stats span{display:flex;align-items:center;gap:4px}

        .post-content{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:48px}
        .post-content .post-title{font-size:30px;font-weight:800;line-height:1.35;margin-bottom:16px}
        .post-content .post-meta{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--text-light);padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:32px;flex-wrap:wrap}
        .post-content .post-meta a{color:var(--text-light)}
        .post-content .post-meta a:hover{color:var(--primary)}
        .post-content .post-cover{width:100%;border-radius:10px;margin-bottom:32px;max-height:480px;object-fit:cover}
        .post-body{font-size:16px;line-height:2;color:#334155;word-break:break-word}
        .post-body h2{font-size:22px;margin:36px 0 16px;font-weight:700;padding-bottom:8px;border-bottom:1px solid var(--border)}
        .post-body h3{font-size:18px;margin:28px 0 12px;font-weight:600}
        .post-body h4{font-size:16px;margin:20px 0 8px;font-weight:600}
        .post-body p{margin-bottom:16px}
        .post-body img{max-width:100%;border-radius:8px;margin:16px 0;cursor:zoom-in}
        .post-body ul,.post-body ol{margin:12px 0 12px 24px}
        .post-body li{margin-bottom:6px}
        .post-body blockquote{border-left:4px solid var(--primary);padding:16px 24px;background:#f8fafc;border-radius:0 8px 8px 0;margin:20px 0;color:var(--text-light);font-style:italic}
        .post-body pre{background:#1e293b;color:#e2e8f0;padding:20px 24px;border-radius:10px;overflow-x:auto;margin:20px 0;font-size:14px;line-height:1.6}
        .post-body code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-size:14px;color:#e11d48;font-family:'Fira Code',Menlo,Monaco,Consolas,monospace}
        .post-body pre code{background:none;color:inherit;padding:0;font-size:inherit}
        .post-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
        .post-body table th,.post-body table td{border:1px solid var(--border);padding:10px 14px;text-align:left}
        .post-body table th{background:#f8fafc;font-weight:600}
        .post-body hr{border:none;border-top:1px solid var(--border);margin:32px 0}

        .share-bar{display:flex;align-items:center;gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}
        .share-bar span{font-size:14px;color:var(--text-light)}
        .share-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;color:#fff;font-size:14px;transition:transform .2s}
        .share-btn:hover{transform:scale(1.15);color:#fff}

        .sidebar .widget{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}
        .widget-title{font-size:16px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary);display:inline-block}
        .widget ul{list-style:none}
        .widget ul li{padding:8px 0;border-bottom:1px dashed #f0f0f0}
        .widget ul li:last-child{border-bottom:none}
        .widget ul li a{color:var(--text);font-size:14px}
        .widget ul li a:hover{color:var(--primary)}
        .widget .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
        .widget .tag-cloud a{background:#f1f5f9;color:var(--text-light);padding:4px 12px;border-radius:16px;font-size:13px;transition:all .2s}
        .widget .tag-cloud a:hover{background:var(--primary);color:#fff}

        .site-info-widget{text-align:center}
        .site-info-widget .avatar{width:80px;height:80px;border-radius:50%;margin-bottom:12px;border:3px solid var(--border)}
        .site-info-widget .name{font-size:18px;font-weight:700}
        .site-info-widget .desc{font-size:13px;color:var(--text-light);margin-top:4px}
        .site-info-stats{display:flex;justify-content:center;gap:24px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
        .site-info-stats .stat{text-align:center}
        .site-info-stats .stat .num{font-size:20px;font-weight:800;color:var(--primary)}
        .site-info-stats .stat .label{font-size:12px;color:var(--text-light)}

        .cat-list a{display:flex;justify-content:space-between;align-items:center;padding:8px 0;color:var(--text);font-size:14px;border-bottom:1px dashed #f0f0f0}
        .cat-list a:last-child{border-bottom:none}
        .cat-list a:hover{color:var(--primary)}
        .cat-list .count{background:#f1f5f9;color:var(--text-light);padding:1px 8px;border-radius:10px;font-size:12px}

        .pagination{display:flex;justify-content:center;gap:6px;margin-top:32px;padding-bottom:16px}
        .pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border-radius:8px;font-size:14px;transition:all .2s}
        .pagination a{background:var(--card-bg);color:var(--text);box-shadow:var(--shadow)}
        .pagination a:hover{background:var(--primary);color:#fff}
        .pagination .current{background:var(--primary);color:#fff;font-weight:600}

        .comment-list{margin-top:24px}
        .comment-item{padding:20px 0;border-bottom:1px solid var(--border)}
        .comment-item:last-child{border-bottom:none}
        .comment-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
        .comment-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0}
        .comment-author{font-weight:600;font-size:14px}
        .comment-time{font-size:12px;color:var(--text-light)}
        .comment-body{font-size:14px;line-height:1.8;color:#475569;margin-left:52px}
        .comment-reply{margin-left:52px;margin-top:4px}

        .site-footer{background:#1e293b;color:#94a3b8;padding:48px 0 28px;margin-top:60px}
        .footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px}
        .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:24px}
        .footer-about .name{color:#fff;font-size:20px;font-weight:700;margin-bottom:10px}
        .footer-about .desc{font-size:14px;line-height:1.8}
        .footer-col h4{color:#cbd5e1;font-size:14px;margin-bottom:12px;font-weight:600}
        .footer-col a{display:block;color:#94a3b8;font-size:14px;padding:4px 0;transition:color .2s}
        .footer-col a:hover{color:#fff}
        .footer-bottom{display:flex;justify-content:space-between;align-items:center;font-size:13px;flex-wrap:wrap;gap:8px}
        .footer-bottom a{color:#94a3b8}
        .footer-bottom a:hover{color:#fff}

        .back-to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(var(--primary-rgb),.3);transition:all .3s;z-index:99}
        .back-to-top:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(var(--primary-rgb),.4)}
        .back-to-top.show{display:flex}

        @media(max-width:992px){
            .site-main{grid-template-columns:1fr;padding:20px 16px}
            .footer-top{grid-template-columns:1fr;gap:24px}
        }
        @media(max-width:768px){
            .site-nav,.nav-search{display:none}
            .mobile-toggle{display:block}
            .header-inner{padding:0 16px}
            .post-content{padding:24px}
            .post-content .post-title{font-size:24px}
            .post-card-body{padding:16px}
            .post-card-cover{height:180px}
            .post-card-footer{padding:12px 16px}
            .footer-bottom{flex-direction:column;text-align:center}
        }