:root{--accent:#4669d8;font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:#1f2633;background:#f5f7fb}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:20px}.card{width:min(100%,420px);padding:32px;background:#fff;border:1px solid #e8edf4;border-radius:22px;box-shadow:0 18px 60px rgba(29,49,82,.08)}.icon{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:#e9efff;color:var(--accent);font-size:23px}.brand{margin-top:14px;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.08em}h1{font-size:25px;margin:10px 0 8px}.intro{margin:0 0 25px;color:#66758d;line-height:1.6;font-size:14px}label{display:block;margin:17px 0 8px;font-size:13px;font-weight:650}input{width:100%;height:46px;border:1px solid #d9e0eb;border-radius:10px;padding:0 13px;font:inherit;font-size:14px;outline:none}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #e9efff}button{width:100%;height:46px;margin-top:24px;border:0;border-radius:10px;background:var(--accent);color:#fff;font:inherit;font-weight:700;cursor:pointer}button:disabled{background:#a9b7dd;cursor:not-allowed}#progress{margin-top:30px;padding-top:24px;border-top:1px solid #edf0f5}.section-head{display:flex;justify-content:space-between;font-size:14px}.section-head strong{color:var(--accent)}.bar{height:10px;margin-top:13px;border-radius:99px;background:#e8edf6;overflow:hidden}.bar div{height:100%;width:0;background:var(--accent);border-radius:inherit;transition:width .3s}#stage{margin:14px 0 0;font-size:14px}.muted,.footnote{color:#7c889b;font-size:12px;line-height:1.5}.message{min-height:20px;margin:18px 0 0;color:#b34843;font-size:13px;line-height:1.5}.agent-link{display:block;margin-top:22px;padding:13px;text-align:center;border:1px solid var(--accent);border-radius:10px;color:var(--accent);font-size:14px;font-weight:700;text-decoration:none}.agent-link[hidden]{display:none}.footnote{margin:18px 0 0;text-align:center}