:root{--accent:#6b53a8;--accent-dark:#4d3b7d;--ink:#221e2b;--muted:#6a6474;--faint:#9b95a6;--bg:#f7f5fa;--card:#fff;--line:#e5e1ec;--tint:#f0ebf8;--good:#1e6b4f;--warn:#9a6512}*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16.5px;line-height:1.55}a{color:var(--accent-dark)}button{font-family:inherit}.kc-shell{max-width:640px;margin:0 auto;padding:0 18px 96px}.kc-head{align-items:center;gap:12px;padding:18px 0 10px;display:flex}.kc-mark{background:var(--accent);color:#fff;border-radius:12px;flex:none;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;font-weight:800;display:flex}.kc-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 1px 2px #221e2b0a}.kc-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:13px 20px;font-size:16px;font-weight:700;display:inline-flex}.kc-btn[disabled]{opacity:.5;cursor:default}.kc-btn-ghost{color:var(--accent-dark);border:1.5px solid var(--line);background:#fff}.kc-input{border:1.5px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:12px;padding:13px 14px;font-family:inherit;font-size:16px}.kc-label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 6px;font-size:13px;font-weight:700;display:block}.kc-tabs{border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom));background:#fff;justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.kc-tab{color:var(--faint);border-radius:10px;flex-direction:column;align-items:center;gap:3px;padding:4px 12px;font-size:12px;font-weight:700;text-decoration:none;display:flex}.kc-tab.on{color:var(--accent-dark);background:var(--tint)}.kc-tab span.ic{font-size:21px;line-height:1}