*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #000000;--primary-hover: #333333;--bg: #ffffff;--bg-secondary: #f8f9fa;--bg-card: #ffffff;--text: #111111;--text-secondary: #666666;--text-muted: #999999;--border: #e5e5e5;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .12)}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}main{min-height:100vh;display:flex;flex-direction:column}a{color:var(--text);text-decoration:none}a:hover{text-decoration:none}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}@media (max-width: 768px){.container{padding:0 16px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:100px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-secondary)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 16px}.btn-ghost:hover{color:var(--text)}.btn-google{background:#fff;color:#333;border:1px solid var(--border);box-shadow:var(--shadow)}.btn-google:hover{background:var(--bg-secondary);box-shadow:var(--shadow-lg)}.page-content{animation:pageIn .4s ease-out}@keyframes pageIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}