@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";
:root{--bg-page:#f8fafc;--bg-subtle:#fff;--indigo-glow:#004aad;--purple-glow:#b32d30;--cyan-accent:#004aad;--ltt-orange:#b32d30;--glass-bg:#ffffffd9;--glass-border:#0000000d;--glass-shadow:0 8px 32px #0000000d;--glass-blur:blur(16px);--text-primary:#1e293b;--text-secondary:#475569;--text-muted:#94a3b8;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--nav-height:72px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background:var(--bg-page);color:var(--text-primary);background-image:linear-gradient(#00000005 1px,#0000 1px),linear-gradient(90deg,#00000005 1px,#0000 1px),radial-gradient(at 10% 10%,#004aad0d 0,#0000 45%),radial-gradient(at 90% 90%,#b32d300d 0,#0000 45%);background-size:40px 40px,40px 40px,cover,cover;background-attachment:fixed;min-height:100vh;font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,sans-serif;font-size:1.05rem;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.laser-beam{background:linear-gradient(to bottom, transparent, var(--cyan-accent), transparent);opacity:.4;width:1px;height:120px;position:absolute}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius-md);transition:all .3s cubic-bezier(.25,.46,.45,.94);position:relative}.glass-card:before{content:"";border-radius:inherit;-webkit-mask-composite:xor;background:linear-gradient(135deg,#ffffff1a,#ffffff03);padding:1px;position:absolute;inset:-1px;-webkit-mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);-webkit-mask-position:0 0,0 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#004aad40}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #b32d3066}.btn-secondary{color:var(--indigo-glow);background:#fff;border:1px solid #004aad33;box-shadow:0 2px 8px #0000000d}.btn-secondary:hover{background:var(--bg-page);border-color:var(--indigo-glow)}.btn-orange{color:#fff;background:linear-gradient(135deg,#ea580c,#f97316)}.btn-sm{padding:.4rem .85rem;font-size:.8rem}.btn-lg{padding:.75rem 1.75rem;font-size:1rem}.navbar-ham{cursor:pointer;color:var(--ltt-blue);background:0 0;border:none;padding:.5rem;display:none}.navbar-mobile{top:var(--nav-height);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:99;background:#fffffffa;border-bottom:1px solid #0000000d;flex-direction:column;gap:.35rem;padding:1.25rem 1.5rem 1.75rem;display:none;position:absolute;left:0;right:0}.navbar-mobile.open{display:flex}.navbar-mobile a{color:var(--text-primary);border-radius:8px;padding:.8rem 1rem;font-size:.95rem;font-weight:600;transition:all .2s}.navbar-mobile a:hover{color:var(--indigo-glow);background:#004aad0d}.navbar-mobile .btn-primary{color:#fff}.hero{padding-top:calc(var(--nav-height) + 2.6rem);padding-bottom:3.2rem;position:relative;overflow:hidden}.hero-content{z-index:1;grid-template-columns:1fr 1fr;align-items:center;gap:4rem;max-width:1200px;margin:0 auto;padding:0 1.5rem;display:grid;position:relative}.hero-badge{background:var(--ltt-orange-pale);color:var(--ltt-orange);letter-spacing:.03em;border:1px solid #f9731633;border-radius:50px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.35rem .85rem;font-size:.8rem;font-weight:600;display:inline-flex}.hero h1{color:var(--text-primary);margin-bottom:1.25rem;font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.15}.hero h1 span{color:var(--ltt-blue)}.hero p{color:var(--text-secondary);margin-bottom:2rem;font-size:1.05rem;line-height:1.7}.hero-actions{flex-wrap:wrap;gap:1rem;display:flex}.hero-stats{gap:2rem;margin-top:2.5rem;display:flex}.hero-stat 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0;flex-direction:column;flex:1;padding:1.5rem;display:flex}.news-card-category{z-index:2;text-transform:uppercase;background:var(--indigo-glow);color:#fff;border-radius:4px;padding:.3rem .65rem;font-size:.72rem;font-weight:700;position:absolute;bottom:10px;left:10px}.cat-tin-khoa{background:var(--ltt-blue);color:#fff}.cat-tin-cong-nghe{background:var(--purple-glow)}.news-card-title{color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.5rem;font-size:1.15rem;font-weight:700;display:-webkit-box;overflow:hidden}.news-card-desc{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;font-size:.85rem;line-height:1.6;display:-webkit-box;overflow:hidden}.news-card-meta{color:var(--text-muted);border-top:1px solid #ffffff14;align-items:center;gap:1rem;margin-top:1rem;padding-top:.75rem;font-size:.78rem;display:flex}.news-card-meta span{align-items:center;gap:.3rem;display:flex}.job-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.25rem;display:grid}.job-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius-md);padding:1.5rem;transition:all .3s}.job-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #004c991f}.job-card-company{color:var(--text-muted);margin-bottom:.25rem;font-size:.82rem}.job-card-title{color:var(--text-primary);margin-bottom:.75rem;font-size:1.05rem;font-weight:700}.job-card-tags{flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;display:flex}.job-tag{background:var(--bg-subtle);color:var(--text-secondary);border:1px solid #0000000f;border-radius:6px;padding:.25rem 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.icon{opacity:.85;text-align:center;width:20px;font-size:1rem}.admin-nav-badge{background:var(--ltt-orange);color:#fff;border-radius:50px;margin-left:auto;padding:.15rem .5rem;font-size:.7rem;font-weight:700}.admin-main{color:#1e293b;background:#f8fafc;flex-direction:column;flex:1;min-height:100vh;margin-left:240px;display:flex}.admin-topbar{z-index:50;background:#fff;border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:center;height:64px;padding:0 2rem;display:flex;position:sticky;top:0;box-shadow:0 1px 4px #00000008}.admin-topbar h1{color:#1e293b;font-size:1.1rem;font-weight:700}.admin-content{flex:1;padding:2rem}.stat-grid{grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-bottom:2rem;display:grid}.stat-card{border-radius:var(--radius-md);background:#ffffff05;border:1px solid #ffffff0d;padding:1.5rem;box-shadow:0 2px 8px 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#e2e8f0!important;border-radius:8px!important;margin:1.5rem 0!important;padding:1rem!important}.article-content summary{cursor:pointer!important;color:var(--ltt-blue)!important;outline:none!important;font-weight:600!important}.article-content summary:hover{color:#1e3a8a!important}.article-content .footnotes{color:#64748b!important;border-top:1px solid #e2e8f0!important;margin-top:4rem!important;padding-top:1.5rem!important;font-size:.85rem!important}.article-content .footnotes li{margin-bottom:.4rem!important}.article-content .table-wrapper{background-color:#fff;width:100%;margin:2rem 0;padding:1px;display:block;overflow-x:auto}.article-content table{border-collapse:collapse;border-bottom:1px solid #cbd5e1!important;width:100%!important;margin:0!important}.article-content p .katex{vertical-align:middle!important;white-space:nowrap!important;margin:0 .2rem!important;display:inline-block!important}.article-content p:has(img){display:block;text-align:center!important;margin-top:1.5rem!important;margin-bottom:0!important}.article-content p img{border-radius:8px!important;max-width:100%!important;height:auto!important;margin:0!important;display:inline-block!important;box-shadow:0 4px 15px #00000008!important}.article-content p:has(img)+p:has(em,i){color:#64748b!important;text-align:center!important;margin-top:.25rem!important;margin-bottom:1.5rem!important;font-size:.85rem!important;font-style:italic!important;line-height:1.4!important}.katex-display,.math-display{justify-content:center!important;align-items:center!important;width:100%!important;margin:1.5rem 0!important;padding:.5rem 0!important;display:flex!important;overflow:auto visible!important}@media (max-width:1024px){.stat-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:768px){.navbar-inner{justify-content:center;position:relative}.navbar-menu,.navbar-cta{display:none}.navbar-ham{padding:.65rem;font-size:1.75rem;display:flex;position:absolute;right:1.5rem}.hero-content{grid-template-columns:1fr;gap:2rem}.hero-visual{display:none}.bento-grid{grid-template-columns:1fr}.bento-grid .bento-featured{grid-column:span 1}.admin-sidebar{width:200px}.admin-main{margin-left:200px}.stat-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem}.footer-brand{grid-column:span 3;margin-bottom:1.5rem}.form-glass{padding:1.5rem}.admin-sidebar{z-index:999;flex-direction:column;transition:left .3s;top:0;bottom:0;left:-240px;box-shadow:2px 0 10px #0000001a;width:240px!important;display:flex!important;position:fixed!important}.admin-sidebar.open{left:0!important}.admin-main{width:100%;padding-top:60px;margin-left:0!important}.admin-topbar{z-index:997;background:#fff;border-bottom:1px solid #0000000d;padding:.85rem 1rem;position:fixed;top:0;left:0;right:0;box-shadow:0 1px 5px #0000000d}.admin-mobile-toggle{display:block!important}.admin-content{padding:1rem!important}.admin-welcome-name{display:none}.admin-table-wrap{overflow-x:auto}}@media (max-width:480px){.stat-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:1.65rem}}.grid-responsive{grid-template-columns:1fr 1fr;gap:2rem;display:grid}@media (max-width:768px){.grid-responsive{grid-template-columns:1fr!important;gap:1.5rem!important}}.katex-display,.math-display{align-items:center;width:100%;overflow-x:auto;justify-content:center!important;margin:1.5rem 0!important;display:flex!important}