:root{--bg: #f4f5fb;--bg-grad-top: #eef0fb;--surface: #ffffff;--surface-2: #f8f9fd;--border: #e6e8f0;--border-strong: #d7dae6;--text: #1a1c24;--text-2: #565b6b;--text-3: #8b90a0;--primary: #4f46e5;--primary-600: #4338ca;--primary-700: #3730a3;--primary-50: #eef0fe;--primary-100: #e0e3fd;--success: #16a34a;--success-50: #ecfdf3;--warning: #d97706;--warning-50: #fff7ed;--danger: #dc2626;--danger-50: #fef2f2;--radius-sm: 8px;--radius: 12px;--radius-lg: 18px;--radius-xl: 24px;--shadow-sm: 0 1px 2px rgba(20, 24, 40, .05), 0 1px 3px rgba(20, 24, 40, .06);--shadow: 0 4px 14px rgba(20, 24, 40, .07), 0 2px 6px rgba(20, 24, 40, .05);--shadow-lg: 0 18px 40px rgba(20, 24, 40, .12), 0 6px 14px rgba(20, 24, 40, .06);--shadow-primary: 0 8px 22px rgba(79, 70, 229, .32);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, 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svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;color:var(--primary)}.perm-row{border-top:1px solid var(--border);padding-top:16px}.perm-title{font-size:13px;font-weight:700;color:var(--text-2);margin-bottom:12px}.perm-list{display:flex;flex-direction:column;gap:12px}#toast-root{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:100;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}.toast{background:#1a1c24;color:#fff;font-size:14px;font-weight:500;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:9px;animation:toastIn .28s cubic-bezier(.2,.9,.3,1.2)}.toast svg{width:17px;height:17px}.toast.success{background:#15803d}.toast.error{background:#dc2626}@keyframes toastIn{0%{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}.toast.out{animation:toastOut .25s ease forwards}@keyframes toastOut{to{opacity:0;transform:translateY(10px) scale(.96)}}.footer{text-align:center;margin-top:56px;color:var(--text-3);font-size:13px;line-height:1.7}.footer a{color:var(--text-2);text-decoration:none}@media (max-width: 700px){.panel-lang{display:none}}@media (max-width: 560px){#app{padding:0 14px 60px}.topbar{flex-direction:column;gap:12px;align-items:flex-start}.topbar-right{flex-wrap:wrap}.settings{grid-template-columns:1fr}.action-row{flex-direction:column}.action-row .btn{width:100%}.result{flex-wrap:wrap}.result .r-btn{width:100%;justify-content:center}}