:root{
            --bg:#0b1220;
            --bg-soft:#111a2b;
            --card:rgba(255,255,255,.96);
            --text:#0f172a;
            --muted:#64748b;
            --border:#dbe4f0;
            --primary:#2563eb;
            --primary-hover:#1d4ed8;
            --success:#059669;
            --success-bg:#ecfdf5;
            --error:#dc2626;
            --error-bg:#fef2f2;
            --shadow:0 20px 60px rgba(2, 6, 23, .25);
            --radius-xl:10px;
            --radius-lg:8px;
        }
        *{box-sizing:border-box}
        body{
            margin:0;min-height:100vh;font-family:Arial,Helvetica,sans-serif;color:#fff;
            background:
                radial-gradient(circle at top left, rgba(37,99,235,.20), transparent 30%),
                radial-gradient(circle at bottom right, rgba(59,130,246,.18), transparent 35%),
                linear-gradient(135deg, var(--bg), var(--bg-soft));
            padding:28px;
        }
        .page{max-width:980px;margin:0 auto}
        .shell{display:grid;grid-template-columns:320px 1fr;gap:22px;align-items:start}
        .panel,.form-card{border-radius:var(--radius-xl);box-shadow:var(--shadow);overflow:hidden}
        .panel{
            background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
            border:1px solid rgba(255,255,255,.10);padding:24px;
        }
        .panel h1{margin:0 0 12px;font-size:30px;line-height:1.08}
        .panel p{margin:0 0 14px;color:rgba(255,255,255,.78);line-height:1.6}
        .panel-item{border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.06);border-radius:12px;padding:14px 16px;margin-top:12px}
        .form-card{background:var(--card);color:var(--text)}
        .form-head{padding:26px 28px 16px;background:linear-gradient(135deg, rgba(37,99,235,.10), rgba(37,99,235,.03));border-bottom:1px solid rgba(15,23,42,.06)}
        .form-head h2{margin:0 0 8px;font-size:28px}
        .form-head p{margin:0;color:var(--muted);font-size:14px}
        form{padding:26px 28px 28px}
        .grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .field{display:flex;flex-direction:column;gap:8px}
        .field.full{grid-column:1 / -1}
        label{font-size:14px;font-weight:700;color:var(--text)}
        input,textarea{
            width:100%;border:1px solid var(--border);border-radius:8px;padding:14px 15px;font-size:15px;outline:none;background:#fff;transition:.18s ease;
        }
        input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
        textarea{resize:vertical;min-height:155px}
        .dropzone{position:relative;border:2px dashed #bfd2f6;border-radius:18px;background:linear-gradient(180deg, #f8fbff, #f3f7ff);padding:18px}
        .dropzone.dragover{border-color:var(--primary);background:#eef4ff}
        .dropzone input[type="file"]{display:none}
        .drop-top{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}
        .browse-btn{display:inline-flex;padding:11px 16px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-weight:700;cursor:pointer}
        .file-preview{display:none;margin-top:16px;padding:14px;border:1px solid var(--border);border-radius:8px;background:#fff}
        .file-preview.show{display:block}
        .file-name{font-weight:700;font-size:14px;word-break:break-word}
        .file-size{color:var(--muted);font-size:13px;margin-top:4px}
        .remove-file{margin-top:10px;border:none;background:#eef2ff;color:#3730a3;padding:9px 12px;border-radius:8px;cursor:pointer;font-weight:700}
        .captcha-box{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid var(--border);background:#f8fafc;border-radius:8px;padding:12px}
        .captcha-q{background:#e2e8f0;padding:9px 12px;border-radius:8px;font-weight:800}
        .honeypot{position:absolute !important;left:-9999px !important;opacity:0 !important}
        .progress-wrap{display:none;margin-top:16px}
        .progress-wrap.show{display:block}
        .progress-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px;font-size:13px;color:var(--muted);font-weight:700}
        .progress{width:100%;height:10px;background:#e5edf8;border-radius:999px;overflow:hidden}
        .progress-bar{width:0%;height:100%;background:linear-gradient(90deg, var(--primary), #60a5fa);transition:width .15s ease}
        .actions{margin-top:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
        .submit-btn{border:none;background:var(--primary);color:#fff;border-radius:8px;padding:14px 22px;font-size:15px;font-weight:800;cursor:pointer}
        .submit-btn:disabled{opacity:.7;cursor:not-allowed}
        .hint{font-size:13px;color:var(--muted)}
        .toast-wrap{position:fixed;top:18px;right:18px;display:grid;gap:10px;z-index:9999}
        .toast{min-width:280px;max-width:360px;padding:14px 16px;border-radius:12px;box-shadow:0 18px 40px rgba(2,6,23,.18);background:#fff;color:var(--text);border:1px solid rgba(15,23,42,.08)}
        .toast.success{border-left:5px solid var(--success)}
        .toast.error{border-left:5px solid var(--error)}
        .toast-title{font-size:14px;font-weight:800;margin-bottom:4px}
        .toast-text{font-size:13px;color:var(--muted);line-height:1.45}
        @media (max-width: 920px){.shell{grid-template-columns:1fr}}
        @media (max-width: 640px){body{padding:16px}.grid{grid-template-columns:1fr}.form-head h2{font-size:23px}.panel h1{font-size:26px}.form-head,form{padding-left:18px;padding-right:18px}}