.ppm-page{background:#f5f8ff;min-height:100vh;padding:26px 14px 46px}
.ppm-shell{max-width:1380px;margin:0 auto}
.ppm-hero{border-radius:28px;padding:28px;background:linear-gradient(135deg,#122551 0%,#1f45b8 55%,#2f66f3 100%);color:#fff;box-shadow:0 24px 60px rgba(25,53,130,.18)}
.ppm-chip{display:inline-flex;min-height:38px;align-items:center;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-weight:800;margin-bottom:12px}
.ppm-hero h1{margin:0 0 10px;font-size:46px;line-height:1.04}
.ppm-hero p{margin:0;max-width:860px;color:rgba(255,255,255,.9);font-size:18px;line-height:1.7}
.ppm-hero-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:20px}
.ppm-step{display:flex;align-items:center;gap:10px;padding:14px 16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px}
.ppm-step b{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#1d4ed8}
.ppm-step.active{background:rgba(255,255,255,.14)}
.ppm-tool-layout{display:grid;grid-template-columns:520px 1fr;gap:22px;margin-top:22px}
.ppm-left,.ppm-right{display:grid;gap:18px}
.ppm-card{background:#fff;border:1px solid #dbe7f5;border-radius:24px;padding:20px;box-shadow:0 10px 24px rgba(15,23,42,.04)}
.ppm-card h2{margin:0 0 14px;font-size:24px;color:#0f172a}
.ppm-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ppm-card-note{font-size:13px;color:#64748b;font-weight:700}
.ppm-upload{display:block;cursor:pointer}
.ppm-upload input{display:none}
.ppm-upload-inner{min-height:180px;border:2px dashed #bfd3f8;background:#f8fbff;border-radius:22px;display:grid;place-items:center;text-align:center;padding:20px}
.ppm-upload-icon{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#eaf2ff;color:#1d4ed8;font-size:28px;margin:0 auto 10px}
.ppm-upload-inner strong{display:block;font-size:22px;color:#0f172a}
.ppm-upload-inner span,.ppm-upload-inner small{display:block;margin-top:6px;color:#64748b}
.ppm-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.ppm-card label{display:block;font-size:14px;font-weight:800;color:#334155;margin-bottom:8px}
.ppm-card select,.ppm-card input[type="range"]{width:100%}
.ppm-card select,.ppm-card input[type="file"]{min-height:46px;border:1px solid #dbe7f5;border-radius:14px;padding:0 12px;background:#fff}
.ppm-actions-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.export-grid{margin-top:10px}
.ppm-btn{min-height:48px;border:none;border-radius:14px;cursor:pointer;padding:0 14px;font-weight:800;background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}
.ppm-btn.primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff}
.ppm-btn.ghost{background:#fff;color:#0f172a;border:1px solid #dbe7f5}
.preview-card canvas{width:100%;max-width:100%;display:block;border:1px solid #dbe7f5;border-radius:18px;background:#fff}
.ppm-benefits{display:grid;gap:14px}
.ppm-benefit{padding:14px;border-radius:16px;background:#f8fbff;border:1px solid #dbe7f5}
.ppm-benefit h3{margin:0 0 6px;font-size:18px}
.ppm-benefit p{margin:0;color:#475569;line-height:1.7}
@media (max-width:1100px){.ppm-tool-layout{grid-template-columns:1fr}}
@media (max-width:900px){.ppm-hero h1{font-size:34px}.ppm-hero-steps{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.ppm-grid-2,.ppm-actions-grid,.ppm-hero-steps{grid-template-columns:1fr}}