:root {
    --bg: #080a0f;
    --bg-card: #11141c;
    --bg-card-hover: #181c28;
    --bg-hero: #0c0e15;
    --border: #1e2435;
    --border-light: #2a3148;
    --text: #e2e4eb;
    --text-dim: #8891a8;
    --text-muted: #5c6478;
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    --accent-dark: #7c3aed;
    --accent-glow: rgba(139,92,246,0.12);
    --accent2: #6366f1;
    --green: #10b981;
    --radius: 12px;
    --radius-sm: 8px;
    --max-w: 1200px;
    --sidebar-w: 300px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;display:flex;flex-direction:column;}
a{color:var(--accent-light);text-decoration:none;transition:color .2s;}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;}
code{font-family:"Fira Code",Consolas,"Courier New",monospace;background:rgba(139,92,246,.08);padding:2px 6px;border-radius:4px;font-size:.9em;color:var(--accent-light);}
pre{background:#0d1017;border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;overflow-x:auto;margin:24px 0;}
pre code{background:none;padding:0;color:var(--text);}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px;}
.site-header{background:rgba(8,10,15,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;}
.header-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:1.1rem;}
.logo-icon{font-size:1.4rem;}
.logo:hover{color:var(--accent-light);}
.nav-menu{display:flex;gap:4px;flex-wrap:wrap;}
.nav-link{color:var(--text-dim);font-size:.88rem;padding:6px 12px;border-radius:6px;transition:all .2s;white-space:nowrap;}
.nav-link:hover,.nav-link.active{color:var(--accent-light);background:var(--accent-glow);}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:4px;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--text-dim);transition:.2s;}
.hero{background:var(--bg-hero);border-bottom:1px solid var(--border);padding:60px 24px 50px;text-align:center;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(139,92,246,.08) 0%,rgba(99,102,241,.04) 30%,transparent 60%);pointer-events:none;}
.hero-inner{position:relative;z-index:1;max-width:700px;margin:0 auto;}
.hero-badge{display:inline-block;background:var(--accent-glow);border:1px solid rgba(139,92,246,.2);color:var(--accent-light);padding:4px 16px;border-radius:20px;font-size:.82rem;margin-bottom:20px;}
.hero h1{font-size:2.4rem;font-weight:800;margin-bottom:14px;background:linear-gradient(135deg,var(--text) 0%,var(--accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-desc{color:var(--text-dim);font-size:1.05rem;line-height:1.8;margin-bottom:28px;}
.hero-stats{display:flex;justify-content:center;gap:48px;}
.stat{text-align:center;}
.stat-num{display:block;font-size:1.6rem;font-weight:800;color:var(--accent-light);}
.stat-label{font-size:.82rem;color:var(--text-muted);}
.category-nav{padding:50px 0;}
.section-title{font-size:1.5rem;font-weight:700;margin-bottom:28px;text-align:center;}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cat-card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;transition:all .25s;text-align:center;}
.cat-card:hover{background:var(--bg-card-hover);border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(139,92,246,.08);}
.cat-icon{font-size:2rem;display:block;margin-bottom:12px;}
.cat-card h3{color:var(--text);font-size:1rem;font-weight:600;margin-bottom:8px;}
.cat-card p{color:var(--text-dim);font-size:.84rem;line-height:1.5;}
.latest-posts{padding:40px 0 50px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .25s;}
.post-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(139,92,246,.06);}
.post-card a{display:block;padding:24px;color:var(--text);}
.post-card a:hover{color:var(--text);}
.post-card-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:.8rem;}
.post-cat{background:var(--accent-glow);color:var(--accent-light);padding:2px 10px;border-radius:4px;font-size:.78rem;}
.post-card-meta time{color:var(--text-muted);}
.post-card-title{font-size:1.05rem;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card-excerpt{color:var(--text-dim);font-size:.88rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card-tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px;}
.tag-pill{background:rgba(99,102,241,.08);color:var(--accent2);padding:2px 8px;border-radius:4px;font-size:.76rem;}
.tag-pill.small{font-size:.72rem;padding:2px 6px;}
.post-detail{padding:40px 0 60px;}
.post-layout{display:grid;grid-template-columns:1fr var(--sidebar-w);gap:40px;}
.post-header{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border);}
.post-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:.85rem;}
.post-cat-link{background:var(--accent-glow);color:var(--accent-light);padding:3px 12px;border-radius:4px;}
.post-meta time,.post-updated{color:var(--text-muted);}
.post-header h1{font-size:1.8rem;font-weight:700;line-height:1.4;margin-bottom:12px;}
.post-subtitle{color:var(--text-dim);font-size:1.05rem;}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.post-toc{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px 24px;margin-bottom:32px;}
.post-toc h4{font-size:.9rem;color:var(--text-dim);margin-bottom:12px;}
.post-toc ol,.post-toc ul{list-style:none;padding-left:0;}
.post-toc li{margin:6px 0;}
.post-toc li a{color:var(--text-dim);font-size:.88rem;transition:color .2s;}
.post-toc li a:hover{color:var(--accent-light);}
.post-toc ol ol,.post-toc ul ul{padding-left:16px;}
.post-content{font-size:1rem;line-height:1.85;color:var(--text);}
.post-content h2{font-size:1.4rem;font-weight:700;margin:40px 0 16px;padding-top:20px;border-top:1px solid var(--border);}
.post-content h3{font-size:1.15rem;font-weight:600;margin:28px 0 12px;}
.post-content h4{font-size:1rem;font-weight:600;margin:20px 0 10px;}
.post-content p{margin:16px 0;}
.post-content ul,.post-content ol{margin:16px 0;padding-left:24px;}
.post-content li{margin:8px 0;}
.post-content blockquote{border-left:3px solid var(--accent);background:var(--bg-card);padding:16px 20px;margin:20px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;}
.post-content blockquote p{margin:0;color:var(--text-dim);}
.post-content table{width:100%;border-collapse:collapse;margin:20px 0;}
.post-content th,.post-content td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.post-content th{background:var(--bg-card);font-weight:600;}
.post-content a{color:var(--accent-light);border-bottom:1px solid rgba(139,92,246,.2);}
.post-content a:hover{border-bottom-color:var(--accent);}
.post-content strong{color:#fff;font-weight:600;}
.post-community{margin:40px 0;}
.community-card{background:linear-gradient(135deg,rgba(139,92,246,.08),rgba(99,102,241,.06));border:1px solid rgba(139,92,246,.2);border-radius:var(--radius);padding:28px 32px;text-align:center;}
.community-card h3{font-size:1.1rem;margin-bottom:8px;}
.community-card p{color:var(--text-dim);font-size:.92rem;margin-bottom:16px;}
.cta-btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 28px;border-radius:8px;font-weight:600;font-size:.92rem;transition:all .2s;}
.cta-btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.cta-btn.small{padding:8px 20px;font-size:.84rem;}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);}
.prev-post,.next-post{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 20px;transition:all .2s;}
.prev-post:hover,.next-post:hover{border-color:var(--accent);background:var(--bg-card-hover);}
.prev-post span,.next-post span{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:4px;}
.prev-post strong,.next-post strong{font-size:.92rem;color:var(--text);font-weight:500;}
.next-post{text-align:right;}
.post-sidebar{position:sticky;top:80px;align-self:start;}
.sidebar-widget{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;margin-bottom:16px;}
.sidebar-widget h4{font-size:.9rem;color:var(--text-dim);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:6px;}
.sidebar-posts{list-style:none;padding:0;}
.sidebar-posts li{margin:10px 0;}
.sidebar-posts a{color:var(--text-dim);font-size:.88rem;line-height:1.5;display:block;}
.sidebar-posts a:hover{color:var(--accent-light);}
.cocoloop-widget{background:linear-gradient(135deg,rgba(139,92,246,.06),rgba(99,102,241,.04));border-color:rgba(139,92,246,.15);}
.cocoloop-widget p{color:var(--text-dim);font-size:.84rem;margin-bottom:14px;line-height:1.5;}
.cta-section{padding:40px 0 60px;}
.cta-card{background:linear-gradient(135deg,rgba(139,92,246,.1),rgba(99,102,241,.06));border:1px solid rgba(139,92,246,.2);border-radius:var(--radius);padding:40px;text-align:center;}
.cta-card h2{font-size:1.4rem;margin-bottom:12px;}
.cta-card p{color:var(--text-dim);margin-bottom:24px;}
.archive-page,.category-page,.tag-page{padding:40px 0 60px;}
.page-title{font-size:1.8rem;font-weight:700;margin-bottom:8px;text-align:center;}
.page-desc{text-align:center;color:var(--text-dim);margin-bottom:32px;}
.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);}
.page-link{background:var(--bg-card);border:1px solid var(--border);padding:8px 20px;border-radius:6px;color:var(--text-dim);font-size:.88rem;transition:all .2s;}
.page-link:hover{border-color:var(--accent);color:var(--accent-light);}
.page-info{color:var(--text-muted);font-size:.85rem;}
.site-footer{margin-top:auto;background:var(--bg-card);border-top:1px solid var(--border);padding:48px 0 32px;}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;}
.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px;}
.footer-col h4{font-size:.9rem;margin-bottom:14px;color:var(--text);}
.footer-desc{color:var(--text-dim);font-size:.84rem;line-height:1.6;}
.footer-col ul{list-style:none;padding:0;}
.footer-col li{margin:8px 0;}
.footer-col a{color:var(--text-dim);font-size:.84rem;}
.footer-col a:hover{color:var(--accent-light);}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid var(--border);}
.footer-bottom p{color:var(--text-muted);font-size:.82rem;margin:4px 0;}
.footer-note{font-size:.76rem;}
@media(max-width:1024px){
    .cat-grid{grid-template-columns:repeat(2,1fr);}
    .post-grid{grid-template-columns:repeat(2,1fr);}
    .post-layout{grid-template-columns:1fr;}
    .post-sidebar{position:static;}
    .footer-cols{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
    .menu-toggle{display:flex;}
    .nav-menu{display:none;position:absolute;top:60px;left:0;right:0;background:rgba(8,10,15,.98);border-bottom:1px solid var(--border);padding:16px 24px;flex-direction:column;gap:4px;}
    .nav-menu.open{display:flex;}
    .hero h1{font-size:1.7rem;}
    .hero-stats{gap:24px;}
    .cat-grid{grid-template-columns:1fr;}
    .post-grid{grid-template-columns:1fr;}
    .post-header h1{font-size:1.4rem;}
    .post-nav{grid-template-columns:1fr;}
    .footer-cols{grid-template-columns:1fr;}
}