*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f5f7fa;--surface:#fff;--text:#1a1a2e;--text-secondary:#64748b;--primary:#3b82f6;--primary-hover:#2563eb;--border:#e2e8f0;--radius:10px;--shadow:0 1px 3px rgba(0,0,0,.08);--danger:#ef4444;--success:#22c55e;--warning:#f59e0b}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.header-inner{max-width:960px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:56px}.logo{font-size:1.2rem;font-weight:700;color:var(--primary);text-decoration:none}.nav{display:flex;gap:4px}.nav a{padding:6px 14px;border-radius:6px;text-decoration:none;color:var(--text-secondary);font-size:.9rem;transition:all .2s}.nav a:hover,.nav a.router-link-active{background:var(--primary);color:#fff}.menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:4px;padding:4px}.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:1px;transition:.2s}.main{flex:1;max-width:960px;width:100%;margin:0 auto;padding:32px 20px}.footer{text-align:center;padding:20px;color:var(--text-secondary);font-size:.8rem;border-top:1px solid var(--border)}.tg-link{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;background:linear-gradient(135deg,#2aabee,#229ed9);color:#fff;text-decoration:none;border-radius:20px;font-size:.85rem;font-weight:500;margin-bottom:10px;transition:transform .2s,box-shadow .2s}.tg-link:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2aabee59}.page-title{font-size:1.5rem;font-weight:700;margin-bottom:24px}.card{background:var(--surface);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--border)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.9rem;font-weight:500;margin-bottom:6px;color:var(--text-secondary)}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:1rem;outline:none;transition:border .2s;background:var(--bg)}.input:focus{border-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border:none;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s;gap:6px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn:disabled{opacity:.5;cursor:not-allowed}.alert{padding:12px 16px;border-radius:8px;font-size:.9rem;margin-bottom:16px}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}@media(max-width:640px){.menu-toggle{display:flex}.nav{display:none;position:absolute;top:56px;left:0;right:0;background:var(--surface);flex-direction:column;padding:8px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:10px 16px}}