:root{--bg:#fff;--ink:#0e0f12;--muted:#6b7280;--radius:16px;--shadow:0 10px 30px rgba(0,0,0,.06);--grad:linear-gradient(90deg,#29d2ff,#a855f7)}
#summit-root{font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink)}
.summit-wrap{max-width:1100px;margin:32px auto;padding:20px}
.hero{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;display:flex;gap:20px;align-items:center}
.hero .info h1{font-size:28px;margin:0 0 10px}
.hero .info p{margin:0;color:var(--muted)}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600;font-size:12px;margin-bottom:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:22px}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card h3{margin:0 0 10px;font-size:18px}
.btn{display:inline-block;padding:12px 16px;border:0;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;text-decoration:none;text-align:center;cursor:pointer}
.section-title{font-size:20px;margin:26px 0 10px}
.form input,.form select{width:100%;padding:12px;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:10px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.notice{padding:12px;border-radius:12px;background:#ecfdf5;color:#065f46;margin-top:10px;display:none}
.error{padding:12px;border-radius:12px;background:#fef2f2;color:#991b1b;margin-top:10px;display:none}
.footer{color:var(--muted);font-size:12px;margin-top:16px;text-align:center}
.logo{width:60px;height:60px;border-radius:12px;background:#f3f4f6;display:flex;align-items:center;justify-content:center;overflow:hidden}
.logo img{max-width:100%;max-height:100%;object-fit:contain}
.ai-accent{background:var(--grad);-webkit-background-clip:text;color:transparent;font-weight:800}