*{box-sizing:border-box}body{margin:0;background:#f5f7fa;color:#1f2933;font-family:Arial,Helvetica,sans-serif}.portal-header{display:flex;align-items:center;justify-content:space-between;padding:18px clamp(18px,5vw,72px);background:#111827;color:#fff}.portal-brand,.login-link{color:#fff;font-weight:800;text-decoration:none}.login-link{border:1px solid rgba(255,255,255,.45);border-radius:6px;padding:9px 13px}.portal-shell{max-width:1160px;margin:auto;padding:clamp(28px,5vw,68px) clamp(18px,4vw,44px)}.portal-intro{max-width:720px;margin-bottom:44px}.eyebrow{color:#0b5fff;font-size:13px;font-weight:800;text-transform:uppercase}h1{font-size:clamp(34px,6vw,64px);margin:8px 0 14px}h2{margin:0 0 18px}.club-list,.publication-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.club-item,.publication-item{display:grid;gap:9px;border:1px solid #d9e2ec;border-radius:8px;background:#fff;padding:20px;color:#1f2933;text-decoration:none}.club-item:hover,.publication-item:hover{border-color:#0b5fff}.club-logo{width:54px;height:54px;border-radius:6px;object-fit:contain;background:#eef2f6}.club-hero{border-bottom:1px solid #d9e2ec;margin-bottom:32px;padding-bottom:28px}.club-hero-row{display:flex;align-items:center;gap:18px}.club-hero .club-logo{width:86px;height:86px}.publication-image{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:6px;background:#e2e8f0}.meta{color:#64748b;font-size:13px}.detail{max-width:850px}.detail-content{white-space:pre-wrap;line-height:1.7}.file-list{display:grid;gap:8px;padding:0;list-style:none}.file-list a{color:#0b5fff;font-weight:700}.back-link{display:inline-block;margin-bottom:18px;color:#0b5fff;font-weight:700;text-decoration:none}@media(max-width:560px){.club-hero-row{align-items:flex-start;flex-direction:column}.portal-shell{padding-top:30px}}