*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:14px;color:#333;background:#f5f7fa;line-height:1.6}
a{color:inherit;text-decoration:none}
a:hover{color:#805ad5}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
/* Header */
.header{background:linear-gradient(135deg,#805ad5,#805ad5dd);color:#fff}
.header-top{font-size:12px;padding:6px 0;opacity:.9;background:rgba(0,0,0,.1)}
.header-main{padding:18px 0}
.logo{font-size:24px;font-weight:bold}
.logo span{display:block;font-size:13px;font-weight:normal;opacity:.85;margin-top:2px}
/* Nav */
.nav{background:rgba(0,0,0,.15)}
.nav a{display:inline-block;padding:12px 16px;color:#fff;font-size:14px;transition:all .2s}
.nav a:hover{background:rgba(255,255,255,.15)}
/* Main Layout */
.main{display:flex;gap:20px;padding:20px 0}
.content{flex:1;min-width:0}
.sidebar{width:300px;flex-shrink:0}
/* Cards */
.card{background:#fff;border-radius:8px;padding:18px;margin-bottom:15px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card h3{font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid #805ad5;display:inline-block}
/* Article List */
.article-list{list-style:none}
.article-list li{padding:12px 0;border-bottom:1px dashed #eee}
.article-list li:last-child{border-bottom:none}
.article-list h4{font-size:15px;margin-bottom:6px;font-weight:normal;line-height:1.5}
.article-list h4 a{color:#333}
.article-list h4 a:hover{color:#805ad5}
.article-list .meta{font-size:12px;color:#999}
.article-list .meta span{margin-right:12px}
/* Hero */
.hero{background:linear-gradient(135deg,#805ad5,#805ad5dd);color:#fff;padding:40px 30px;border-radius:8px;margin-bottom:20px}
.hero h1{font-size:28px;margin-bottom:10px}
.hero p{opacity:.9;font-size:15px;margin-bottom:15px}
.hero-btn{display:inline-block;padding:10px 24px;background:#fff;color:#805ad5;border-radius:30px;font-weight:500;transition:all .2s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.2)}
/* Grid */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
/* Quick Entry */
.quick-entry{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.quick-entry a{flex:1;min-width:100px;padding:15px 10px;background:#fff;border-radius:8px;text-align:center;font-size:13px;box-shadow:0 1px 3px rgba(0,0,0,.05);transition:all .2s}
.quick-entry a:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1);color:#805ad5}
.quick-entry .icon{font-size:24px;display:block;margin-bottom:5px}
/* City Cloud */
.city-cloud{line-height:2.2}
.city-cloud a{display:inline-block;padding:3px 10px;margin:2px;background:#f5f7fa;border-radius:4px;font-size:12px;color:#666;transition:all .2s}
.city-cloud a:hover{background:#805ad5;color:#fff}
/* Cat List */
.cat-list{list-style:none}
.cat-list li{padding:8px 0;border-bottom:1px solid #f0f0f0}
.cat-list li:last-child{border-bottom:none}
.cat-list a{color:#555;font-size:13px}
.cat-list a:hover{color:#805ad5;padding-left:5px}
/* Footer */
.footer{background:#1a1a2e;color:#999;padding:30px 0 20px;margin-top:30px}
.footer h4{color:#fff;font-size:14px;margin-bottom:12px}
.footer a{color:#999}
.footer a:hover{color:#fff}
.footer-section{margin-bottom:20px}
.footer-links{line-height:2}
.footer-links a{margin-right:12px;font-size:12px}
.copyright{text-align:center;padding-top:15px;border-top:1px solid #333;font-size:12px;margin-top:10px}
/* Tools */
.tool-box{background:#fff;border-radius:8px;padding:20px;margin-bottom:15px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.tool-box h3{color:#805ad5;margin-bottom:15px;font-size:16px}
.tool-form{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:15px}
.tool-form label{font-size:13px;color:#666}
.tool-form input{width:100%;padding:8px 10px;border:1px solid #ddd;border-radius:4px;font-size:13px;margin-top:4px}
.tool-form button{grid-column:span 2;padding:10px;background:#805ad5;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px}
.tool-form button:hover{opacity:.9}
.tool-result{background:#f5f7fa;padding:15px;border-radius:4px;font-size:13px;line-height:1.8}
.tool-result strong{color:#805ad5}
/* Article Detail */
.article-detail{background:#fff;border-radius:8px;padding:25px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.article-detail h1{font-size:22px;margin-bottom:12px;line-height:1.4}
.article-detail .meta{color:#999;font-size:12px;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #eee}
.article-detail .meta span{margin-right:15px}
.article-detail .body p{margin-bottom:15px;text-indent:2em;line-height:1.8}
.article-detail .body h2{font-size:18px;margin:20px 0 10px;color:#805ad5}
/* Breadcrumb */
.breadcrumb{font-size:12px;color:#999;margin-bottom:15px}
.breadcrumb a{color:#666}
.breadcrumb span{margin:0 5px}
/* Pagination */
.pagination{text-align:center;margin-top:20px}
.pagination a{display:inline-block;padding:5px 12px;margin:0 3px;border:1px solid #ddd;border-radius:4px;font-size:13px;color:#666}
.pagination a:hover{border-color:#805ad5;color:#805ad5}
/* CTA */
.cta-box{background:linear-gradient(135deg,#805ad5,#805ad5dd);color:#fff;padding:25px;border-radius:8px;text-align:center;margin:20px 0}
.cta-box h3{font-size:20px;margin-bottom:8px}
.cta-box p{opacity:.9;margin-bottom:12px}
.cta-box .cta-btn{display:inline-block;padding:10px 28px;background:#fff;color:#805ad5;border-radius:30px;font-weight:500}
/* Tags */
.tags{margin-top:15px}
.tags span{display:inline-block;padding:3px 10px;background:#f5f7fa;border-radius:3px;font-size:12px;color:#888;margin-right:6px}
/* Stats */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:20px}
.stats-item{background:#fff;padding:15px;border-radius:8px;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.stats-item .num{font-size:24px;font-weight:bold;color:#805ad5}
.stats-item .label{font-size:12px;color:#999;margin-top:4px}
/* Responsive */
@media(max-width:768px){
.main{flex-direction:column}
.sidebar{width:100%}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}
.stats-bar{grid-template-columns:1fr 1fr}
.hero h1{font-size:22px}
.nav a{padding:10px 8px;font-size:13px}
}