:root{--red:#e11d2e;--dark:#0f2a3d;--muted:#5b6b7a;--bg:#f6f8fa;--line:#e3e8ec}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#16222c;background:#fff;line-height:1.6}a{color:var(--red)}header.site{position:-webkit-sticky;position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:20}header.site .wrap{max-width:1100px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:16px}.logo{font-size:26px;font-weight:900;color:#111;text-decoration:none;letter-spacing:.5px}.logo small{display:block;font-size:11px;letter-spacing:3px;color:var(--muted);font-weight:600}nav.main{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}nav.main a{color:#222;text-decoration:none;font-weight:600;font-size:15px}nav.main a:hover{color:var(--red)}.hotline{background:var(--red);color:#fff;padding:8px 14px;border-radius:8px;text-decoration:none;font-weight:800;white-space:nowrap}.wrap{max-width:1100px;margin:0 auto;padding:0 16px}.hero{background:var(--dark);color:#fff;padding:48px 0 56px}.hero h1{font-size:38px;line-height:1.2;margin:0 0 12px}.hero h1 span{color:#ff8a8a}.hero p{color:#c8d4de;max-width:640px}.lookup{background:#fff;color:#16222c;border-radius:12px;padding:20px;margin-top:24px;max-width:640px}.lookup input{width:100%;padding:12px;font-size:16px;border:1px solid var(--line);border-radius:8px}.lookup button{margin-top:10px;width:100%;padding:12px;background:var(--red);color:#fff;border:0;border-radius:8px;font-size:17px;font-weight:800;cursor:pointer}section{padding:40px 0}section.alt{background:var(--bg)}h2{font-size:28px;margin:0 0 16px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.card{border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff}.card h3{margin:0 0 8px}table.prices{width:100%;border-collapse:collapse;background:#fff}table.prices td,table.prices th{border:1px solid var(--line);padding:10px;text-align:left;font-size:15px}table.prices th{background:var(--dark);color:#fff}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.filters button,.filters input{padding:8px 12px;border:1px solid var(--line);border-radius:20px;background:#fff;cursor:pointer}.filters button.active{background:var(--red);color:#fff;border-color:var(--red)}.timeline{list-style:none;padding:0;margin:16px 0}.timeline li{padding:10px 0 10px 28px;position:relative;border-left:2px solid var(--line);margin-left:8px}.timeline li.done{border-color:var(--red)}.timeline li.done:before{content:"✓";position:absolute;left:-11px;top:10px;background:var(--red);color:#fff;width:20px;height:20px;border-radius:50%;text-align:center;font-size:13px;line-height:20px}.timeline li.current{font-weight:800}details{border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin-bottom:10px;background:#fff}details summary{font-weight:700;cursor:pointer}footer.site{background:var(--dark);color:#c8d4de;padding:32px 0}footer.site a{color:#fff}footer.site .admin-link{font-size:12px;color:#7e93a5;text-decoration:none}.float-btns{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:30}.float-btns a{display:block;text-align:center;padding:12px 16px;border-radius:999px;color:#fff;text-decoration:none;font-weight:800;box-shadow:0 4px 14px rgba(0,0,0,.25)}.float-btns .zalo{background:#0084ff}.float-btns .call{background:var(--red)}.admin input,.admin select,.admin textarea{width:100%;padding:10px;margin:6px 0 12px;border:1px solid var(--line);border-radius:8px;font-size:15px}.admin button{padding:10px 16px;background:var(--red);color:#fff;border:0;border-radius:8px;font-weight:700;cursor:pointer;margin-right:8px}.admin button.secondary{background:#334155}.tabs{display:flex;gap:8px;margin:16px 0;flex-wrap:wrap}.tabs button{padding:10px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;font-weight:700}.tabs button.active{background:var(--dark);color:#fff}@media (max-width:640px){.hero h1{font-size:28px}nav.main{display:none}table.prices{font-size:13px}}