@charset "UTF-8";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-page: #0f1117;--bg-card: #1a1d27;--bg-header: linear-gradient(135deg, #1e2235 0%, #252940 100%);--bg-step: #1e2235;--bg-checkmark: #111827;--border: #2d3148;--scrollbar: #3d4268;--shadow: rgba(0, 0, 0, .5);--text-primary: #f1f5f9;--text-body: #cbd5e1;--text-muted: #94a3b8;--text-hint: #64748b;--accent: #818cf8;--check-border: #4b5563;--tip-bg: rgba(99, 102, 241, .08);--tip-border: rgba(99, 102, 241, .3)}@media(prefers-color-scheme:light){:root{--bg-page: #f1f5f9;--bg-card: #ffffff;--bg-header: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);--bg-step: #f8fafc;--bg-checkmark: #f8fafc;--border: #e2e8f0;--scrollbar: #cbd5e1;--shadow: rgba(0, 0, 0, .1);--text-primary: #0f172a;--text-body: #334155;--text-muted: #64748b;--text-hint: #94a3b8;--accent: #6366f1;--check-border: #94a3b8;--tip-bg: rgba(99, 102, 241, .06);--tip-border: rgba(99, 102, 241, .25)}}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg-page);color:var(--text-primary)}main{display:flex;justify-content:center;align-items:flex-start;min-height:100vh;padding:2rem 1rem}.card{background:var(--bg-card);border:1px solid var(--border);width:100%;box-shadow:0 24px 64px var(--shadow)}.card-header{display:flex;align-items:flex-start;gap:1rem;padding:2rem 2rem 1.5rem;background:var(--bg-header);border-bottom:1px solid var(--border)}.header-icon{flex-shrink:0;width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff}.header-text h1{font-size:1.35rem;font-weight:700;color:var(--text-primary);line-height:1.3;letter-spacing:-.02em}.header-text .subtitle{margin-top:.35rem;font-size:.875rem;color:var(--text-muted)}