/* ===== 拾光 v3.1 - 文章发布站 ===== */
:root {
  --bg: #fafafa; --surface: #fff; --border: #eee;
  --text: #222; --text2: #666; --text3: #999;
  --accent: #6c5ce7; --accent-h: #5b4bd1; --accent-l: #f5f3ff;
  --r: 6px;
  --sh: 0 1px 2px rgba(0,0,0,.04); --sh-h: 0 2px 12px rgba(0,0,0,.06);
  --font: -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  --mw: 1100px; --sidebar: 300px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:15px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;transition:color .15s}
a:hover{color:var(--accent-h)}
img{max-width:100%}
ul{list-style:none}
.container{max-width:var(--mw);margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:var(--mw);margin:0 auto;padding:0 20px;display:flex;align-items:center;height:56px;gap:24px}
.logo{display:flex;align-items:center;gap:6px;font-size:18px;font-weight:700;color:var(--text);flex-shrink:0}
.logo:hover{color:var(--accent)}
.logo-icon{font-size:18px;color:var(--accent)}
.main-nav{flex:1}
.main-nav .menu{display:flex;gap:2px}
.main-nav .menu a{padding:6px 14px;border-radius:4px;font-size:14px;color:var(--text2);font-weight:500}
.main-nav .menu a:hover,.main-nav .menu .current-menu-item a{color:var(--accent);background:var(--accent-l)}
.nav-toggle{display:none;background:none;border:none;font-size:20px;cursor:pointer;color:var(--text)}
.header-actions{display:flex;gap:4px}
.icon-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:none;border:none;border-radius:50%;font-size:16px;cursor:pointer;color:var(--text2);transition:.15s}
.icon-btn:hover{background:#f0f0f0;color:var(--text)}
.user-link{display:flex;align-items:center;gap:6px;padding:2px 10px 2px 2px;border-radius:20px;font-size:13px;color:var(--text2);font-weight:500;transition:.15s;text-decoration:none}
.user-link:hover{background:var(--bg);color:var(--accent)}
.user-avatar{border-radius:50%;width:28px;height:28px;border:2px solid var(--accent-l)}
.user-points{background:var(--accent-l);color:var(--accent);padding:1px 8px;border-radius:10px;font-size:12px;font-weight:700}
.search-dropdown{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);padding:16px 20px;box-shadow:0 4px 12px rgba(0,0,0,.08)}
.search-dropdown.open{display:block}
.search-form input{width:100%;height:42px;padding:0 16px;border:1px solid var(--border);border-radius:var(--r);font-size:15px;font-family:var(--font);outline:none;background:var(--bg)}
.search-form input:focus{border-color:var(--accent)}

/* ===== Layout ===== */
.layout{display:flex;gap:32px;padding:32px 0}
.main-col{flex:1;min-width:0}
.side-col{width:var(--sidebar);flex-shrink:0}

/* ===== Reading Progress Bar ===== */
.reading-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:200;pointer-events:none;background:transparent}
.reading-bar{height:100%;background:linear-gradient(90deg,var(--accent),#a78bfa);width:0%}

/* ===== Back to Top ===== */
.back-to-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:50%;background:var(--surface);border:1px solid var(--border);box-shadow:var(--sh);color:var(--text2);font-size:20px;cursor:pointer;z-index:50;opacity:0;visibility:hidden;transition:all .25s;display:flex;align-items:center;justify-content:center}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:var(--sh-h)}

/* ===== Hero ===== */
.hero{padding:48px 0;border-bottom:1px solid var(--border);background:var(--surface)}
.hero-content{max-width:var(--mw);margin:0 auto;padding:0 20px}
.hero-badge{display:inline-block;padding:3px 12px;margin-bottom:12px;border-radius:20px;font-size:12px;font-weight:600;background:var(--accent-l);color:var(--accent)}
.hero h1{font-size:28px;font-weight:800;line-height:1.3;margin-bottom:8px}
.hero h1 a{color:var(--text)}
.hero p{font-size:16px;color:var(--text2);line-height:1.7}
.hero-meta{margin-top:12px;display:flex;gap:16px;font-size:14px;color:var(--text3)}

/* ===== Post List ===== */
.post-list{display:flex;flex-direction:column}
.post-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border)}
.post-item:last-child{border-bottom:none}
.post-item-thumb{flex-shrink:0;width:200px;height:130px;border-radius:var(--r);overflow:hidden;background:var(--border)}
.post-item-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.post-item:hover .post-item-thumb img{transform:scale(1.04)}
.post-item-thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:40px;color:rgba(255,255,255,.8)}
.post-item-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;justify-content:center}
.post-item-cat{font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px}
.post-item-title{font-size:18px;font-weight:700;line-height:1.4}
.post-item-title a{color:var(--text)}
.post-item-title a:hover{color:var(--accent)}
.post-item-excerpt{font-size:14px;color:var(--text2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-item-meta{font-size:13px;color:var(--text3);display:flex;flex-wrap:wrap;gap:16px}

/* ===== Section ===== */
.section-head{margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}
.section-head h1,.section-head h2{font-size:20px;font-weight:700}
.section-more{font-size:14px;color:var(--text3)}
.section-more:hover{color:var(--accent)}
.empty{text-align:center;padding:60px 20px;color:var(--text3);font-size:15px}
.empty::before{content:'📭';display:block;font-size:48px;margin-bottom:12px}

/* ===== Category Nav ===== */
.cat-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.cat-chip{display:flex;align-items:center;gap:5px;padding:8px 16px;background:var(--surface);border:1px solid var(--border);border-radius:20px;font-size:14px;color:var(--text);transition:.15s}
.cat-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-l)}
.cat-chip-icon{font-size:16px}
.cat-chip small{font-size:12px;color:var(--text3)}
.sub-nav{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0}
.sub-chip{padding:5px 14px;border-radius:20px;background:var(--bg);font-size:13px;color:var(--text2);border:1px solid var(--border)}
.sub-chip:hover{background:var(--surface);border-color:var(--accent);color:var(--accent)}

/* ===== Sidebar ===== */
.sidebar-widget{margin-bottom:28px}
.sidebar-widget h3{font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--accent-l);display:flex;align-items:center;gap:6px}
.sidebar-widget h3::before{content:'';width:4px;height:16px;background:var(--accent);border-radius:2px;flex-shrink:0}
.sidebar-widget ul li{padding:8px 0;border-bottom:1px solid var(--border)}
.sidebar-widget ul li:last-child{border-bottom:none}
.sidebar-widget ul li a{font-size:14px;color:var(--text2);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:all .15s}
.sidebar-widget ul li a:hover{color:var(--accent);padding-left:4px}
.side-cat-count{font-size:12px;color:var(--text3);float:right}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:6px}
.sidebar-tag{padding:3px 12px;font-size:12px;background:var(--bg);color:var(--text2);border-radius:20px;border:1px solid var(--border);transition:.15s}
.sidebar-tag:hover{background:var(--accent-l);color:var(--accent);border-color:var(--accent)}

/* ===== Post Single ===== */
.post-single{max-width:760px;padding-top:0;padding-bottom:48px;margin:0 auto}
.breadcrumb{font-size:14px;color:var(--text3);margin-bottom:24px;display:flex;flex-wrap:wrap;gap:4px}
.breadcrumb a{color:var(--text2)}
.post-header{margin-bottom:28px;padding-top:24px}
.post-cat{display:inline-block;padding:3px 12px;background:var(--accent-l);color:var(--accent);border-radius:20px;font-size:12px;font-weight:600;margin-bottom:12px}
.post-header h1{font-size:28px;font-weight:800;line-height:1.35;margin-bottom:10px}
.post-meta{font-size:14px;color:var(--text3);display:flex;flex-wrap:wrap;gap:16px}
.post-cover{width:100%;border-radius:var(--r);margin-top:20px}
.post-body{font-size:17px;line-height:1.9;color:var(--text)}
.post-body p{margin-bottom:1em;text-indent:2em}
.post-body p:first-of-type{text-indent:0}
.post-body h2{font-size:21px;font-weight:700;margin:1.5em 0 .6em;padding-left:10px;border-left:3px solid var(--accent)}
.post-body h3{font-size:17px;font-weight:600;margin:1.2em 0 .5em}
.post-body img{border-radius:4px;margin:16px 0}
.post-body blockquote{border-left:3px solid var(--accent);padding:6px 16px;margin:16px 0;color:var(--text2);background:var(--bg);border-radius:0 4px 4px 0}
.post-nav{display:flex;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid var(--border);font-size:15px;gap:16px}
.post-nav a{color:var(--text2);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-nav a:hover{color:var(--accent)}
.post-comments{margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}

/* ===== Related Posts ===== */
.related-posts{margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.related-posts h3{font-size:18px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:6px}
.related-posts h3::after{content:'';flex:1;height:1px;background:var(--border)}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.related-card{display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;background:var(--surface);border:1px solid var(--border);transition:.2s}
.related-card:hover{border-color:var(--accent);box-shadow:var(--sh-h)}
.related-thumb{height:140px;overflow:hidden;background:var(--border)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:.3s}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-thumb-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:36px;color:rgba(255,255,255,.8)}
.related-info{padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.related-info strong{font-size:15px;font-weight:600;color:var(--text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-info small{font-size:12px;color:var(--text3)}

/* ===== Page ===== */
.page-content{max-width:760px;margin:0 auto;padding:32px 0}
.page-content h1{font-size:26px;font-weight:700;margin-bottom:24px}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;margin-top:32px}
.pagination .nav-links{display:flex;gap:4px}
.pagination .page-numbers{display:flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 12px;border-radius:4px;font-size:14px;background:var(--surface);color:var(--text2);border:1px solid var(--border)}
.pagination .current{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ===== Footer ===== */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:48px 0 24px;margin-top:0}
.footer-inner{max-width:var(--mw);margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:12px}
.footer-col p,.footer-col li{font-size:14px;color:var(--text2);line-height:1.8}
.footer-col li a{color:var(--text2);transition:.15s}
.footer-col li a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--text3)}

/* ===== User Center ===== */
.uc-header{display:flex;align-items:center;gap:20px;padding:28px 0;border-bottom:1px solid var(--border);margin-bottom:20px;flex-wrap:wrap}
.uc-avatar{flex-shrink:0}
.uc-avatar-img{border-radius:50%;width:72px;height:72px;border:3px solid var(--accent-l)}
.uc-info{flex:1;min-width:0}
.uc-info h2{font-size:22px;font-weight:700;margin-bottom:4px}
.uc-info p{font-size:14px;color:var(--text2)}
.uc-rules{display:flex;gap:12px;margin-bottom:24px;padding:16px;background:var(--bg);border-radius:var(--r)}
.rule-item{flex:1;text-align:center;font-size:13px;color:var(--text2);padding:8px 0}
.rule-item strong{display:block;font-size:20px;color:var(--accent);margin-top:4px}
.uc-tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:2px solid var(--border)}
.uc-tab{padding:10px 24px;font-size:15px;font-weight:500;color:var(--text2);background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:.15s}
.uc-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.uc-tab:hover{color:var(--accent)}
.uc-panel{display:none}
.uc-panel.active{display:block}
.uc-list{display:flex;flex-direction:column}
.uc-list-item{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--border);transition:.15s}
.uc-list-item:hover{background:var(--bg);margin:0 -12px;padding-left:12px;padding-right:12px;border-radius:var(--r)}
.uc-list-thumb{flex-shrink:0;width:80px;height:56px;border-radius:4px;overflow:hidden;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:24px}
.uc-list-thumb img{width:100%;height:100%;object-fit:cover}
.uc-list-body{flex:1;min-width:0}
.uc-list-body strong{display:block;font-size:15px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uc-list-body strong a{color:var(--text)}
.uc-list-body strong a:hover{color:var(--accent)}
.uc-list-body small{font-size:13px;color:var(--text3);display:block;margin-top:2px}
.uc-list-del{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:none;background:none;cursor:pointer;color:var(--text3);font-size:14px;transition:.15s}
.uc-list-del:hover{background:#fee;color:var(--red)}

/* ===== Toast ===== */
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-120px);background:var(--text);color:#fff;padding:12px 24px;border-radius:24px;font-size:14px;z-index:999;opacity:0;transition:all .3s;box-shadow:0 4px 20px rgba(0,0,0,.2);pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* ===== Button Outline ===== */
.btn-outline{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn-outline:hover{background:var(--accent-l)}

/* ===== Post Actions ===== */
.post-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.post-actions .btn-outline{font-size:14px;padding:8px 18px;display:inline-flex;align-items:center;gap:4px}

/* ===== Reading Toolbar ===== */
.reading-toolbar{display:flex;align-items:center;gap:8px;padding:12px 0;margin-bottom:24px;border-bottom:1px solid var(--border);font-size:14px;color:var(--text3)}
.font-btn{padding:4px 12px;border-radius:4px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:13px;color:var(--text2);transition:.15s}
.font-btn:hover,.font-btn.active{background:var(--accent-l);color:var(--accent);border-color:var(--accent)}

/* ===== Trending Section ===== */
.trending{margin-bottom:24px}
.trending-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trending-card{border-radius:var(--r);overflow:hidden;background:var(--surface);border:1px solid var(--border);transition:.2s}
.trending-card:hover{border-color:var(--accent);box-shadow:var(--sh-h);transform:translateY(-2px)}
.trending-thumb{height:120px;overflow:hidden;background:var(--border)}
.trending-thumb img{width:100%;height:100%;object-fit:cover;transition:.3s}
.trending-card:hover .trending-thumb img{transform:scale(1.04)}
.trending-thumb-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:32px;color:rgba(255,255,255,.8)}
.trending-info{padding:12px;display:flex;flex-direction:column;gap:4px}
.trending-info strong{font-size:15px;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.trending-info small{font-size:12px;color:var(--text3)}

/* ===== Share Panel ===== */
.share-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:300;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.25s}
.share-overlay.open{opacity:1;visibility:visible}
.share-panel{background:var(--surface);border-radius:12px;padding:24px;width:90%;max-width:360px;box-shadow:0 12px 40px rgba(0,0,0,.2)}
.share-panel h3{font-size:18px;margin-bottom:16px;text-align:center}
.share-btns{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.share-btn-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border-radius:8px;background:var(--bg);border:none;cursor:pointer;font-size:13px;color:var(--text2);transition:.15s}
.share-btn-item:hover{background:var(--accent-l);color:var(--accent)}
.share-btn-item span{font-size:24px}
.share-url{display:flex;gap:8px}
.share-url input{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:4px;font-size:13px;background:var(--bg)}
.share-url button{padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:13px}

/* ===== Table of Contents ===== */
.sg-toc{background:var(--bg);border-radius:var(--r);padding:20px 24px;margin:0 0 28px 0;border:1px solid var(--border)}
.sg-toc-title{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--text)}
.sg-toc ol{list-style:none;counter-reset:toc}
.sg-toc li{padding:6px 0;counter-increment:toc;font-size:14px;line-height:1.5}
.sg-toc li::before{content:counter(toc)'.';color:var(--accent);margin-right:8px;font-weight:600;font-size:13px}
.sg-toc .toc-h3{padding-left:20px;font-size:13px}
.sg-toc a{color:var(--text2);transition:.15s}
.sg-toc a:hover{color:var(--accent)}

/* ===== Lightbox ===== */
.sg-lightbox{cursor:zoom-in;transition:opacity .2s}
.sg-lightbox:hover{opacity:.9}
.lightbox-overlay{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:500;display:flex;align-items:center;justify-content:center;cursor:zoom-out;opacity:0;visibility:hidden;transition:.25s}
.lightbox-overlay.open{opacity:1;visibility:visible}
.lightbox-overlay img{max-width:92vw;max-height:90vh;border-radius:4px;box-shadow:0 4px 30px rgba(0,0,0,.5);transform:scale(.9);transition:.25s}
.lightbox-overlay.open img{transform:scale(1)}
.lightbox-close{position:absolute;top:20px;right:24px;background:none;border:none;color:#fff;font-size:32px;cursor:pointer;opacity:.7;transition:.15s}
.lightbox-close:hover{opacity:1}

/* ===== Rating ===== */
.post-rating{display:flex;align-items:center;gap:4px;margin:8px 0}
.rating-stars{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:2px}
.rating-stars input{display:none}
.rating-stars label{cursor:pointer;font-size:22px;color:var(--border);transition:.15s}
.rating-stars label:hover,.rating-stars label:hover~label,
.rating-stars input:checked~label{color:#faad14}
.rating-info{font-size:13px;color:var(--text3);margin-left:8px}

/* ===== Tags ===== */
.post-tags{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0}
.post-tags a{padding:4px 12px;font-size:12px;background:var(--bg);color:var(--text2);border-radius:20px;border:1px solid var(--border);transition:.15s}
.post-tags a:hover{background:var(--accent-l);color:var(--accent);border-color:var(--accent)}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:6px}
.sidebar-tag{padding:4px 12px;font-size:12px;background:var(--bg);color:var(--text2);border-radius:20px;border:1px solid var(--border);transition:.15s}
.sidebar-tag:hover{background:var(--accent-l);color:var(--accent);border-color:var(--accent)}

/* ===== Leaderboard ===== */
.sg-leaderboard{margin-top:0}
.sg-leaderboard h3{font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--accent-l)}
.lb-list{list-style:none}
.lb-item{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}
.lb-item:last-child{border-bottom:none}
.lb-rank{font-size:18px;width:28px;text-align:center;flex-shrink:0}
.lb-avatar{border-radius:50%;flex-shrink:0}
.lb-name{flex:1;font-size:14px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-pts{font-size:13px;font-weight:600;color:var(--accent);flex-shrink:0}

/* ===== Archive ===== */
.sg-archive h3{font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--accent-l)}
.arch-list{list-style:none}
.arch-list li{padding:8px 0;border-bottom:1px solid var(--border)}
.arch-list li:last-child{border-bottom:none}
.arch-list a{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--text2);transition:.15s}
.arch-list a:hover{color:var(--accent);padding-left:4px}
.arch-count{font-size:12px;color:var(--text3)}

/* ===== Dark Mode ===== */
body.dark{--bg:#12121a;--surface:#1c1c28;--border:#2a2a3a;--text:#e0e0e8;--text2:#9595a8;--text3:#656578;--accent-l:#1e1e38;color-scheme:dark}
body.dark img{opacity:.9}
@media(prefers-color-scheme:dark){body:not(.light){--bg:#12121a;--surface:#1c1c28;--border:#2a2a3a;--text:#e0e0e8;--text2:#9595a8;--text3:#656578;--accent-l:#1e1e38;color-scheme:dark}}

/* ===== Responsive ===== */
@media(max-width:768px){
  .layout{flex-direction:column}
  .side-col{width:100%}
  .post-item{flex-direction:column;gap:12px}
  .post-item-thumb{width:100%;height:180px}
  .nav-toggle{display:block}
  .main-nav .menu{display:none;position:absolute;top:56px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--border);padding:8px 0;box-shadow:0 4px 12px rgba(0,0,0,.1)}
  .main-nav .menu.open{display:flex}
  .main-nav .menu a{padding:12px 24px;border-radius:0}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .back-to-top{bottom:20px;right:20px}
}
@media(max-width:480px){
  .post-item-thumb{height:150px}
  .post-item-title{font-size:16px}
  .hero h1{font-size:22px}
  .post-header h1{font-size:22px}
  .post-nav{flex-direction:column}
}