.aictaw-arena{max-width:1200px;margin:30px auto;padding:20px}.arena-hero{background:linear-gradient(135deg,#111827,#1d4ed8,#0ea5e9);color:#fff;padding:45px;border-radius:30px;margin-bottom:30px}.arena-hero h6{letter-spacing:4px;margin:0 0 15px;color:#dbeafe}.arena-hero h1{font-size:54px;line-height:1.1;margin:0 0 15px;color:#fff}.arena-hero p{font-size:18px;color:#fff}.arena-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.arena-meta span{background:rgb(255 255 255 / .15);padding:12px 18px;border-radius:50px;color:#fff}.arena-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:25px}.arena-card{background:#fff;padding:30px;border-radius:22px;box-shadow:0 6px 22px rgb(0 0 0 / .08)}.arena-category{display:inline-block;background:#eef2ff;color:#1d4ed8;padding:8px 14px;border-radius:50px;font-weight:700;margin-bottom:15px}.arena-card h3{font-size:26px;margin-bottom:12px;color:#111827}.arena-card p{color:#4b5563;line-height:1.8}.arena-reactions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.arena-reaction-form{margin:0}.arena-reaction-btn{border:1px solid #e5e7eb;background:#f8fafc;padding:10px 14px;border-radius:50px;cursor:pointer;display:flex;align-items:center;gap:7px;font-weight:700}.arena-reaction-btn span{font-size:20px}.arena-reaction-btn small{font-size:13px;color:#374151}.arena-reaction-btn:hover,.arena-reaction-btn.active{background:#1d4ed8;color:#fff;border-color:#1d4ed8}.arena-reaction-btn:hover small,.arena-reaction-btn.active small{color:#fff}.arena-success{background:#ecfdf5;color:#065f46;border-left:5px solid #10b981;padding:15px;border-radius:12px;margin-bottom:25px}.arena-notice{background:#fff;padding:30px;border-radius:22px;margin-top:30px;box-shadow:0 6px 22px rgb(0 0 0 / .08);border-left:6px solid #1d4ed8}.arena-notice h3{color:#1d4ed8;margin-bottom:10px}.arena-notice p{line-height:1.8;color:#4b5563}@media(max-width:768px){.aictaw-arena{padding:15px}.arena-hero{padding:28px}.arena-hero h1{font-size:34px}.arena-card{padding:22px}}