:root{--pri: #2563eb;--ink: #0f172a;--mut: #64748b;--card: #fff}*{box-sizing:border-box}body{margin:0;font:15px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(160deg,#eef2ff,#f8fafc);color:var(--ink)}.wrap{max-width:640px;margin:0 auto;padding:40px 20px;min-height:100vh;display:flex;flex-direction:column}.wrap-narrow{max-width:620px}.hero h1,h1{font-size:24px;margin:0 0 8px}.card h1{font-size:22px;margin:0 0 6px}.sub{color:var(--mut);margin:0 0 18px}.kw{color:var(--pri)}.card{background:var(--card);border:1px solid #e2e8f0;border-radius:14px;padding:20px;margin:18px 0;box-shadow:0 6px 24px #0206170d}.card-pad{padding:24px}.field{display:block;margin-bottom:14px}.label,label{display:block;font-size:13px;color:var(--mut);margin-bottom:6px}input{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit}.btn{border:0;border-radius:9px;padding:11px 16px;font:inherit;font-weight:600;cursor:pointer}.btn-primary{background:var(--pri);color:#fff;width:100%}.btn-dark{background:#0f172a;color:#fff}.btn-ghost{background:#f1f5f9;color:var(--ink)}.btn-block{width:100%;margin-top:12px}.btn[disabled]{opacity:.6;cursor:default}.codechip{border:1px dashed var(--pri);background:#eff6ff;border-radius:8px;padding:2px 8px;cursor:pointer;font:inherit}.alert,.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:9px;padding:10px 12px;margin-top:12px}.warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a;border-radius:9px;padding:10px 12px;margin-top:12px}.result{margin-top:14px}.result-head{font-weight:700;margin-bottom:6px}.code{display:block;word-break:break-all;background:#0f172a;color:#e2e8f0;padding:14px;border-radius:9px;font-family:ui-monospace,Menlo,monospace;font-size:12px;margin-top:10px}.code-row{display:flex;gap:8px;align-items:flex-start;margin-top:8px}.hint{font-size:13px;color:var(--mut);margin-top:12px}.consent{color:var(--mut);font-size:12px;text-align:center;line-height:1.6;margin:18px 0 0}.consent a{color:var(--pri)}.foot{margin-top:auto;color:var(--mut);font-size:12px;text-align:center;padding-top:24px}.foot a{color:var(--pri)}.spin{display:inline-block;width:18px;height:18px;border:3px solid #c7d2fe;border-top-color:var(--pri);border-radius:50%;animation:r .8s linear infinite;vertical-align:-3px;margin-right:8px}@keyframes r{to{transform:rotate(360deg)}}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%);background:#0f172a;color:#fff;padding:8px 14px;border-radius:8px;opacity:0;transition:.2s;pointer-events:none}.toast.show{opacity:1}.langbar{display:flex;justify-content:flex-end;margin-bottom:4px}.langsel{font:inherit;font-size:13px;color:var(--mut);background:transparent;border:1px solid #cbd5e1;border-radius:8px;padding:4px 8px;cursor:pointer}[dir=rtl] .langbar{justify-content:flex-start}