*{box-sizing:border-box}
:root{--blue:#0b4ea2;--blue2:#083b7a;--gold:#f0b429;--bg:#f5f8fc;--text:#172033;--muted:#68758a;--card:#fff;--border:#dbe3ee}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 2px 12px #00000012}
.nav-wrap{max-width:1180px;margin:auto;display:flex;align-items:center;gap:18px;padding:10px 18px}
.logo{width:44px;height:44px;border-radius:10px;object-fit:contain;background:#eef5ff}
.brand{font-weight:800;color:var(--blue2);white-space:nowrap}
.nav{display:flex;gap:7px;overflow-x:auto;flex:1}
.nav a{padding:10px 12px;border-radius:9px;font-weight:700;white-space:nowrap;color:#334155}
.nav a:hover{background:#edf4ff;color:var(--blue)}
.admin-link{font-size:12px;color:#6b7280;white-space:nowrap}
.hero{min-height:480px;display:flex;align-items:center;background:linear-gradient(120deg,#062b61,#0b5bb5);color:#fff}
.container{max-width:1180px;margin:auto;padding:0 18px;width:100%}
.hero-inner{padding:80px 0}
.hero h1{font-size:clamp(34px,6vw,64px);margin:0 0 18px}
.hero p{font-size:19px;line-height:1.65;max-width:720px;color:#eaf3ff}
.buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;background:#fff;color:var(--blue2);font-weight:800;border:0;cursor:pointer}
.btn.alt{background:var(--gold);color:#172033}
.section{padding:70px 0;scroll-margin-top:78px}
.section:nth-child(even){background:#fff}
.section h2{font-size:34px;margin:0 0 10px;color:var(--blue2)}
.section-intro{color:var(--muted);max-width:760px;line-height:1.7}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:26px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 6px 24px #0b4ea20b}
.card h3{margin-top:0;color:var(--blue2)}
.card p{line-height:1.65;color:#526176}
.media{width:100%;max-height:520px;object-fit:cover;border-radius:16px;margin-top:22px}
.video{width:100%;aspect-ratio:16/9;border:0;border-radius:16px;margin-top:22px;background:#111}
.site-footer{background:#071d3a;color:#dce9f9;padding:28px 0}
.footer-row{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.loading{text-align:center;padding:80px;color:var(--muted)}
.error{max-width:760px;margin:60px auto;padding:22px;border:1px solid #f0b4b4;background:#fff5f5;border-radius:12px}
.admin-body{background:#eef3f9}
.admin-shell{max-width:1200px;margin:auto;padding:22px}
.admin-top{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin-top:18px}
.panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}
.panel h2{margin-top:0;color:var(--blue2)}
label{display:block;font-weight:700;margin:13px 0 6px}
input,textarea,select{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit;background:#fff}
textarea{min-height:110px;resize:vertical}
.small{font-size:12px;color:var(--muted)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.btn-primary{background:var(--blue);color:#fff}.btn-danger{background:#b42318;color:#fff}.btn-light{background:#edf2f7;color:#24344d}
.item{border:1px solid var(--border);border-radius:12px;padding:14px;margin:10px 0;background:#fbfdff}
.item-head{display:flex;justify-content:space-between;gap:10px;align-items:center}
.login-card{max-width:420px;margin:12vh auto;background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:0 14px 45px #0b4ea218}
.notice{padding:10px 12px;border-radius:9px;background:#edf7ff;color:#174d80;margin:10px 0}
@media(max-width:700px){.brand{display:none}.nav-wrap{gap:8px}.admin-link{font-size:11px}.row{grid-template-columns:1fr}.section{padding:52px 0}}