*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:#1a1a2e;background:#f8f9fa;line-height:1.6}a{color:#0972d3;text-decoration:none}a:hover{text-decoration:underline}.nav{background:#fff;border-bottom:1px solid #e8e8e8;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:56px;position:sticky;top:0;z-index:100}.nav-logo{font-size:20px;font-weight:700;color:#1a3a6e}.nav-links{display:flex;gap:24px;align-items:center;font-size:14px}.nav-links a{color:#555}.btn-register{background:#1a3a6e;color:#fff!important;padding:8px 20px;border-radius:6px;font-size:14px;font-weight:500}.btn-register:hover{background:#254d8a;text-decoration:none}.hero{background:linear-gradient(135deg,#1a3a6e,#2d5aa0);color:#fff;padding:48px 24px;text-align:center}.hero h1{font-size:32px;margin-bottom:8px}.hero p{font-size:16px;opacity:.85;margin-bottom:16px}.badge-live{display:inline-block;background:#fff3;padding:4px 12px;border-radius:12px;font-size:12px}.tabs{display:flex;gap:8px;padding:16px 24px;background:#fff;border-bottom:1px solid #e8e8e8;flex-wrap:wrap}.tab{padding:6px 16px;border-radius:20px;font-size:14px;cursor:pointer;border:1px solid #d5d5d5;background:#fff;color:#555;transition:all .2s}.tab:hover{border-color:#0972d3;color:#0972d3}.tab.active{background:#0972d3;color:#fff;border-color:#0972d3}.container{max-width:1200px;margin:0 auto;padding:24px;display:grid;grid-template-columns:1fr 320px;gap:24px}@media (max-width:768px){.container{grid-template-columns:1fr}}.card{background:#fff;border-radius:8px;padding:20px;border:1px solid #e8e8e8;cursor:pointer;transition:box-shadow .2s}.card:hover{box-shadow:0 4px 12px #00000014}.card-featured{grid-column:1/-1;padding:24px;border-left:4px solid #0972d3}.card-title{font-size:18px;font-weight:600;margin-bottom:8px;color:#1a1a2e}.card-featured .card-title{font-size:22px}.card-summary{color:#666;font-size:14px;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.card-list{display:grid;gap:16px}.tag{display:inline-block;padding:2px 10px;border-radius:10px;font-size:12px;font-weight:500}.tag-shipping{background:#e3f2fd;color:#1565c0}.tag-aviation{background:#fce4ec;color:#c62828}.tag-policy{background:#e8f5e9;color:#2e7d32}.tag-opportunity{background:#fff3e0;color:#e65100}.tag-industry{background:#f3e5f5;color:#6a1b9a}.meta-source,.meta-date{color:#999;font-size:12px}.sidebar{display:flex;flex-direction:column;gap:16px}.sidebar-card{background:#fff;border-radius:8px;padding:20px;border:1px solid #e8e8e8}.sidebar-card h3{font-size:16px;font-weight:600;margin-bottom:12px;color:#1a1a2e}.cta-card{background:#1a3a6e;color:#fff;border:none}.cta-card h3{color:#fff}.cta-card p{font-size:14px;opacity:.9;margin-bottom:16px}.btn-cta{display:inline-block;background:#fff;color:#1a3a6e;padding:10px 24px;border-radius:6px;font-weight:600;font-size:14px}.btn-cta:hover{background:#f0f0f0;text-decoration:none}.hot-list{list-style:none;padding:0}.hot-list li{padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px;cursor:pointer}.hot-list li:last-child{border-bottom:none}.hot-list li:hover{color:#0972d3}.cat-list{display:flex;flex-wrap:wrap;gap:8px}.article-page{max-width:800px;margin:0 auto;padding:24px}.article-back{display:inline-block;margin-bottom:16px;font-size:14px;color:#666}.article-back:hover{color:#0972d3}.article-title{font-size:28px;font-weight:700;margin-bottom:12px}.article-meta{display:flex;gap:12px;align-items:center;margin-bottom:24px;flex-wrap:wrap}.article-content{font-size:16px;line-height:1.8}.article-content p{margin-bottom:16px}.ai-box{background:#f0f8ff;border-left:4px solid #0972d3;padding:20px;border-radius:0 8px 8px 0;margin:24px 0}.ai-box h3{font-size:16px;font-weight:600;margin-bottom:8px;color:#1a3a6e}.ai-box p{font-size:14px;line-height:1.8}.article-cta{background:#f8f9fa;border-radius:8px;padding:32px;text-align:center;margin-top:32px}.article-cta h3{font-size:20px;margin-bottom:8px}.article-cta p{color:#666;margin-bottom:16px}.loading,.empty{text-align:center;padding:48px;color:#999}.footer{text-align:center;padding:24px;color:#999;font-size:12px;border-top:1px solid #e8e8e8;margin-top:48px}