:root{--primary-color:#2563eb;--primary-dark:#1e40af;--text-main:#111827;--text-sub:#4b5563;--bg-light:#f9fafb;--border-color:#e5e7eb;--max-width:1200px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text-main);line-height:1.6;background-color:var(--bg-light)}a{color:inherit}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.site-header{background-color:rgba(255,255,255,.95);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color);backdrop-filter:blur(10px)}.site-nav{display:flex;justify-content:space-between;align-items:center;height:70px}.site-logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary-color);text-decoration:none}.site-logo img{height:36px;width:auto}.nav-links{display:flex;align-items:center;gap:30px}.nav-links a{font-weight:500;color:var(--text-sub);text-decoration:none}.nav-links a:hover{color:var(--primary-color)}.blog-hero{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);padding:60px 0;text-align:center}.blog-hero h1{font-size:2.5rem;margin-bottom:10px;color:var(--primary-dark)}.blog-hero p{color:var(--text-sub)}.search-section{background:#fff;padding:20px 0;border-bottom:1px solid var(--border-color)}.search-section .search-form{display:flex;gap:10px;max-width:600px;margin:0 auto}.search-section .search-form input[type=search]{flex:1;padding:12px 16px;border:1px solid var(--border-color);border-radius:6px;font-size:1rem}.search-section .search-form button{padding:12px 24px;background:var(--primary-color);color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600}.categories{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:20px}.category-tag{padding:6px 16px;background:#fff;border:1px solid var(--border-color);border-radius:20px;color:var(--text-sub);text-decoration:none;font-size:.9rem;transition:all .2s}.category-tag:hover,.category-tag.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.blog-content{padding:60px 0}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px}.blog-content .post-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform .3s,box-shadow .3s;display:block}.blog-content .post-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,.1)}.blog-content .post-thumbnail{width:100%;height:200px;object-fit:cover;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.blog-content .post-thumbnail img{width:100%;height:100%;object-fit:cover;display:block}.blog-content .post-body{padding:20px}.blog-content .post-category{display:inline-block;padding:4px 10px;background:var(--bg-light);color:var(--primary-color);border-radius:4px;font-size:.75rem;font-weight:600;margin-bottom:10px}.blog-content .post-title{font-size:1.25rem;margin:0 0 10px;color:var(--text-main);line-height:1.35;word-break:break-word;overflow-wrap:anywhere}.blog-content .post-title a{text-decoration:none;color:inherit}.blog-content .post-title a:hover{color:var(--primary-color)}.blog-content .post-excerpt{color:var(--text-sub);font-size:.9rem;margin-bottom:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word;overflow-wrap:anywhere}.blog-content .post-meta{display:flex;justify-content:space-between;align-items:center;color:var(--text-sub);font-size:.8rem;gap:12px;flex-wrap:wrap}.blog-content .read-more{color:var(--primary-color);text-decoration:none;font-weight:600;font-size:.9rem;white-space:nowrap}.blog-content .read-more:hover{text-decoration:underline}.empty-state{text-align:center;padding:60px 20px;color:var(--text-sub)}.empty-state h3{color:var(--text-main)}.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}.pagination a,.pagination span{padding:10px 16px;background:#fff;border:1px solid var(--border-color);border-radius:6px;text-decoration:none;color:var(--text-main)}.pagination .current{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.resources-hero{padding:40px 0 10px}.resources-hero h1{margin:0 0 10px;font-size:2.2rem;line-height:1.2}.resources-hero p{margin:0;color:var(--text-sub)}.content-grid{display:grid;grid-template-columns:1fr 320px;gap:28px;padding:20px 0 60px}@media (max-width:980px){.content-grid{grid-template-columns:1fr}}@media (max-width:768px){.nav-links{display:none}.blog-grid{grid-template-columns:1fr}}.card{background:#fff;border:1px solid var(--border-color);border-radius:14px;overflow:hidden}.card-body{padding:18px}.post-card{display:grid;grid-template-columns:220px 1fr;gap:0}@media (max-width:860px){.post-card{grid-template-columns:1fr}}.post-card-thumb{background:#e5e7eb;min-height:140px}.post-card-thumb img{width:100%;height:100%;object-fit:cover;display:block}.post-card-title{margin:0 0 6px;font-size:1.1rem;line-height:1.35}.post-card-title a{text-decoration:none;color:var(--text-main)}.post-card-title a:hover{color:var(--primary-color)}.post-meta{color:var(--text-sub);font-size:.9rem}.badge{display:inline-flex;align-items:center;gap:6px;background:#eef2ff;border:1px solid #e0e7ff;color:#1d4ed8;padding:3px 10px;border-radius:999px;font-size:.85rem;text-decoration:none}.badge:hover{background:#e0e7ff}.sidebar{position:sticky;top:90px;align-self:start}.sidebar .panel{background:#fff;border:1px solid var(--border-color);border-radius:14px;padding:16px}.sidebar .panel+.panel{margin-top:16px}.panel h3{margin:0 0 10px;font-size:1rem}.search-form{display:flex;gap:8px}.search-form input[type=search]{flex:1;padding:10px 12px;border:1px solid var(--border-color);border-radius:10px;outline:none}.search-form button{padding:10px 14px;border-radius:10px;border:1px solid var(--primary-color);background:var(--primary-color);color:#fff;cursor:pointer}.search-form button:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.breadcrumb{padding:15px 0;font-size:.9rem;color:var(--text-sub)}.breadcrumb a{color:var(--text-sub);text-decoration:none}.breadcrumb a:hover{color:var(--primary-color)}.breadcrumb span{margin:0 8px}.article-shell{background:#fff;border:1px solid var(--border-color);border-radius:14px;padding:22px}.article-title{margin:0 0 10px;font-size:2rem;line-height:1.25}.article-content{color:var(--text-main)}.article-content img{max-width:100%;height:auto;border-radius:10px}.article-content pre{overflow:auto;padding:14px;border-radius:12px;background:#0b1220;color:#e5e7eb}.article-content code{background:#f3f4f6;padding:2px 6px;border-radius:6px}.article-content table{width:100%;border-collapse:collapse;margin:14px 0}.article-content th,.article-content td{border:1px solid var(--border-color);padding:10px;vertical-align:top}.article-video video{width:100%;height:auto;border-radius:12px}.site-footer{background-color:#111827;color:#9ca3af;padding:60px 0 20px}.site-footer a{color:#9ca3af;text-decoration:none}.site-footer a:hover{color:#fff}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px;text-align:left}.footer-col h4{color:#fff;margin:0 0 20px;font-size:1rem}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin-bottom:10px}.footer-lang-switch{display:flex;gap:6px;justify-content:center;margin-bottom:12px}.footer-lang-switch .lang-btn{background:0 0;border:1px solid #374151;padding:4px 10px;border-radius:4px;cursor:pointer;font-size:.8rem;color:#9ca3af;text-decoration:none}.footer-lang-switch .lang-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.copyright{text-align:center;padding-top:20px;border-top:1px solid #374151;font-size:.9rem}