:root{--bg: #08111f;--bg-soft: #0f1b2d;--card: rgba(255, 255, 255, .92);--card-strong: #ffffff;--text: #0f172a;--muted: #64748b;--line: #e2e8f0;--primary: #0f766e;--primary-strong: #0d9488;--primary-soft: #ccfbf1;--blue: #2563eb;--orange: #f97316;--red: #ef4444;--green: #16a34a;--purple: #7c3aed;--shadow: 0 24px 60px rgba(2, 6, 23, .24);--radius: 26px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(circle at 12% 8%,rgba(20,184,166,.22),transparent 30%),radial-gradient(circle at 88% 18%,rgba(37,99,235,.2),transparent 32%),linear-gradient(135deg,#07111f,#0f172a 46%,#0c1b31);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}.app-shell{min-height:100vh;display:flex;justify-content:center;padding:20px}.phone{width:min(100%,430px);min-height:calc(100vh - 40px);background:#f8fafc;border:1px solid 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