:root{--brand: #1a3658;--brand-light: #234b78;--brand-pale: #e8eff7;--gold: #b8942d;--gold-light: #f5ecd7;--text: #14181f;--text-secondary: #5a6475;--text-tertiary: #949eae;--bg: #f8f9fb;--surface: #ffffff;--border: #e8ecf1;--border-light: #f1f4f7;--green: #2d7a4a;--red: #c0392b;--radius: 8px;--radius-lg: 14px;--serif: "Noto Serif SC", "STSong", serif;--sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif}body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}.toast-container{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:#14181f;color:#fff;padding:12px 28px;border-radius:24px;font-size:14px;font-weight:500;box-shadow:0 4px 20px #00000026;animation:toastIn .3s ease}@keyframes toastIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.btn-reset{border:none;background:none;cursor:pointer;font-family:inherit}.flex-center{display:flex;align-items:center;justify-content:center}