:root { --brand:#b30000; --ink:#111; --muted:#6b7280; --bg:#f7f7f8; --card:#fff; }
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial;background:var(--bg);color:var(--ink)}
.header{display:flex;align-items:center;gap:16px;padding:16px;border-bottom:4px solid var(--brand);background:#fff;position:sticky;top:0;z-index:10}
.header img{height:120px}
.header h1{margin:0;font-size:22px}
.header .spacer{flex:1}
.container{max-width:1100px;margin:20px auto;padding:0 16px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{background:var(--card);border-radius:14px;padding:18px;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.section-title{margin:0 0 8px 0;font-size:18px}
.section-sub{margin:6px 0 14px;color:var(--muted);font-size:14px}
.item-list{list-style:none;margin:0;padding:0}
.item{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid #eee}
.item:last-child{border-bottom:0}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 16px;text-decoration:none;font-weight:600;cursor:pointer}
.small{color:var(--muted);font-size:13px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input,select{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:10px}
.footer{margin:40px 0 24px;text-align:center;color:var(--muted);font-size:12px}
@media(max-width:900px){.grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}}