:root{--primary: #1677ff;--primary-light: #4096ff;--primary-dark: #0958d9;--success: #00c853;--warning: #ff9500;--error: #ff3b30;--bg: #f0f4f8;--card: #ffffff;--text: #1a1a1a;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--border: #e5e7eb;--radius: 16px;--shadow: 0 8px 32px rgba(22, 119, 255, .12)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{min-height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;border:none;cursor:pointer;background:none}input{font:inherit;border:none;outline:none;background:transparent}.page{min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}.container{width:min(100%,480px);margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:12px;font-size:16px;font-weight:600;transition:transform .15s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--primary-light),var(--primary-dark));color:#fff;box-shadow:0 8px 20px #1677ff59}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-ghost{background:#1677ff14;color:var(--primary)}.card{background:var(--card);border-radius:var(--radius);box-shadow:0 2px 12px #0f172a0f}.toast{position:fixed;left:50%;bottom:calc(32px + env(safe-area-inset-bottom));transform:translate(-50%);max-width:calc(100% - 40px);padding:12px 20px;border-radius:999px;background:#1a1a1ae0;color:#fff;font-size:14px;z-index:9999;animation:fadeUp .25s ease}@keyframes fadeUp{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}