:root{--bg-dark:#0d0f12;--bg-card:#f8f9fb;--blue:#1a6bff;--orange:#ff6b2b;--gray-100:#f4f5f7;--gray-200:#e8eaee;--gray-400:#9ca3af;--gray-600:#6b7280;--gray-800:#374151;--border:#e2e5ea}*{box-sizing:border-box;margin:0;padding:0}body{color:#1a1a1a;background:#f4f5f7;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.page{background:#fff;width:100%}.container{max-width:1280px;margin:0 auto;padding:0 24px}.tag{border-radius:3px;margin-right:3px;padding:2px 8px;font-size:10px;font-weight:600;display:inline-block}.tag.ul{color:var(--blue);background:#eaf1ff}.tag.fcc{color:#2e7d32;background:#e8f5e9}.tag.ce{color:#e65100;background:#fff3e0}.tag.stk{color:#2e7d32;background:#e8f5e9}.tag.pre{color:#c62828;background:#fce4ec}.text-center{text-align:center}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-4{gap:16px}.mb-4{margin-bottom:16px}.mb-8{margin-bottom:32px}.btn-blue{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:8px 16px;font-size:13px;font-weight:600}.btn-blue:hover{background:#1455d0}