* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Microsoft YaHei',Arial,sans-serif; background:#f0f2f5; min-height:100vh; display:flex; align-items:center; justify-content:center; }
.container { width:400px; background:#fff; border-radius:8px; box-shadow:0 2px 12px rgba(0,0,0,0.1); padding:32px 40px; }
.logo { text-align:center; margin-bottom:24px; }
.logo img { height:44px; }
.logo h2 { font-size:18px; color:#1e3a5f; margin-top:8px; }
.step-bar { display:flex; align-items:center; justify-content:center; margin-bottom:24px; font-size:13px; color:#999; }
.step-bar span { padding:4px 12px; border-radius:20px; background:#f0f0f0; }
.step-bar span.active { background:#1e3a5f; color:#fff; }
.step-bar span.done { background:#e6f7ff; color:#1890ff; }
.step-bar .arrow { margin:0 8px; color:#ccc; }
.error { background:#fef0f0; color:#f56c6c; padding:10px 14px; border-radius:4px; margin-bottom:16px; font-size:13px; }
.success { background:#f0f9eb; color:#67c23a; padding:10px 14px; border-radius:4px; margin-bottom:16px; font-size:13px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; margin-bottom:6px; color:#333; font-size:14px; }
.form-group input { width:100%; padding:10px 12px; border:1px solid #dcdfe6; border-radius:4px; font-size:14px; }
.form-group input:focus { outline:none; border-color:#1e3a5f; }
.btn { width:100%; padding:11px; background:#1e3a5f; color:#fff; border:none; border-radius:4px; font-size:15px; cursor:pointer; }
.btn:hover { background:#2a5298; }
.btn:disabled { background:#a0c4e8; cursor:not-allowed; }
.links { text-align:center; margin-top:16px; font-size:13px; }
.links a { color:#1e3a5f; text-decoration:none; }
.links a:hover { text-decoration:underline; }
.info { background:#e6f7ff; color:#1890ff; padding:10px 14px; border-radius:4px; margin-bottom:16px; font-size:13px; line-height:1.6; }