:root{--kb-navy:#151a3f;--kb-blue:#1a73e8;--kb-light-blue:#e8f0fe;--kb-gray:#5f6368;--kb-light-gray:#f8f9fa;--kb-border:#e0e0e0;--kb-max-width:860px;--kb-font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--pp-surface:#ffffff;--pp-surface-hover:#f3f7ff;--pp-border:#e5e7eb;--pp-shadow:0 8px 24px rgba(37, 99, 235, 0.08);--pp-text:#111827;--pp-text-2:#374151;--pp-text-3:#6b7280;--pp-accent:#1a73e8;--pp-bg:#ffffff}.dark{--pp-surface:#1e2130;--pp-surface-hover:#252a3d;--pp-border:#2e3450;--pp-shadow:0 8px 24px rgba(0, 0, 0, 0.3);--pp-text:#f3f4f6;--pp-text-2:#d1d5db;--pp-text-3:#9ca3af;--pp-accent:#60a5fa;--pp-bg:#151a3f;--kb-navy:#e8f0fe;--kb-gray:#9ca3af}body{font-family:var(--kb-font-sans);color:var(--pp-text);background-color:var(--pp-bg)}.custom-container{max-width:var(--kb-max-width);margin:0 auto;padding:0 20px}.navbar{box-shadow:0 1px 4px rgba(0,0,0,8%);padding:8px 0;background-color:#fff!important}.dark .navbar{background-color:#1e2130!important}.navbar-brand span{font-weight:700;font-size:1.1rem;color:var(--kb-navy)}.nav-link{color:var(--pp-text)!important;font-weight:500;font-size:.95rem;transition:color .2s ease}.nav-link:hover,.nav-link.active{color:var(--pp-accent)!important}.main{padding-top:60px}.kb-section-title{font-size:1.6rem;font-weight:800;color:var(--kb-navy);margin-bottom:24px}.kb-category-label{color:var(--kb-navy);font-weight:800;font-size:1.1rem;margin-bottom:20px;display:block;opacity:.8}.kb-categories__inner,.kb-all__inner,.kb-reading__inner{max-width:980px;margin:0 auto;padding:40px 20px}.kb-more-link-wrap{text-align:center;margin-top:30px}.kb-more-link{display:inline-block;color:var(--pp-accent);font-weight:700;font-size:1rem;text-decoration:none;border:2px solid var(--pp-accent);padding:10px 28px;border-radius:999px;transition:all .2s ease}.kb-more-link:hover{background-color:var(--pp-accent);color:#fff;transform:translateY(-2px)}.kb-more-link .arrow{margin-left:6px}.kb-list__meta{font-size:.85rem;color:var(--pp-text-3);margin-bottom:8px;display:flex;align-items:center;gap:6px}.kb-list__rt{color:var(--pp-text-3)}.kb-reading{background-color:var(--kb-light-gray);border-top:1px solid var(--kb-border)}.kb-reading__box{max-width:680px}.kb-reading__box p{color:var(--pp-text-2);font-size:1rem;line-height:1.8}.footer{background-color:var(--kb-light-gray);border-top:1px solid var(--kb-border);padding:24px 20px;margin-top:60px}.top-link{position:fixed;bottom:30px;right:30px;background-color:var(--kb-navy);color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;visibility:hidden;opacity:0;transition:opacity .3s;z-index:999}.search-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:9999;display:flex;align-items:flex-start;justify-content:center;padding-top:80px}.search-modal-content{background:#fff;border-radius:12px;width:90%;max-width:600px;box-shadow:0 8px 32px rgba(0,0,0,.2);overflow:hidden}.search-modal-header{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--kb-border)}.search-modal-header input{flex:1;border:none;outline:none;font-size:1.1rem;color:var(--kb-navy)}.close-btn{background:0 0;border:none;font-size:1.5rem;cursor:pointer;color:var(--kb-gray);padding:0 4px}.search-results-list{max-height:400px;overflow-y:auto;padding:12px 20px}.post-content h2{color:var(--kb-navy);margin-top:2rem}.post-content h3{color:var(--kb-navy)}.post-content a{color:var(--pp-accent)}.post-content blockquote{border-left:4px solid var(--pp-accent);padding-left:16px;color:var(--kb-gray);margin:1.5rem 0}.btn-primary{background-color:var(--pp-accent);border-color:var(--pp-accent)}