:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{color:#1a1a1a;background:#f5f4f0;margin:0}.page{max-width:640px;min-height:100vh;margin:0 auto;padding:48px 24px}h1{margin-bottom:8px;font-size:28px}p.hint{color:#666;margin-bottom:24px}input,textarea{border:1px solid #ccc;border-radius:8px;width:100%;margin-bottom:12px;padding:12px;font-family:inherit;font-size:16px}button{color:#fff;cursor:pointer;background:#1a6338;border:none;border-radius:8px;padding:12px 20px;font-size:16px}button:disabled{cursor:not-allowed;background:#999}button.secondary{color:#1a1a1a;background:#eee}.error{color:#c0392b;margin:8px 0}.card{background:#fff;border:1px solid #ddd;border-radius:12px;margin-bottom:12px;padding:16px}.role-grid{grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;display:grid}.role-card{text-align:center;cursor:pointer;background:#fff;border:2px solid #ddd;border-radius:12px;padding:24px}.role-card:hover{border-color:#1a6338}.article-item{align-items:flex-start;gap:12px;display:flex}.article-item input[type=checkbox]{width:auto;margin-top:4px}iframe.reader{border:1px solid #ddd;border-radius:12px;width:100%;height:80vh}video.digest{border-radius:12px;width:100%;margin-top:16px}.role-card.disabled{opacity:.5;cursor:not-allowed}.role-card.disabled:hover{border-color:#ddd}.role-tag{color:#999;margin-top:8px;font-size:12px;display:inline-block}.modal-overlay{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-box{background:#fff;border-radius:12px;width:90%;max-width:420px;padding:32px}