:root{--c1:#9333ea;--c2:#f97316;--bg:#faf5ff;--ink:#101828;--muted:#667085;--card:#fff;}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);min-height:100vh;background:radial-gradient(circle at 12% 18%,color-mix(in srgb,var(--c1) 20%,transparent),transparent 28%),radial-gradient(circle at 88% 6%,color-mix(in srgb,var(--c2) 25%,transparent),transparent 26%),linear-gradient(135deg,var(--bg),#fff 58%,color-mix(in srgb,var(--c2) 16%,#fff));}
.app-shell{max-width:1080px;margin:0 auto;padding:32px 18px 20px}.hero{text-align:center;padding:42px 0 24px}.brand-pill{display:inline-flex;gap:8px;align-items:center;padding:10px 16px;border-radius:999px;background:#fff;border:2px solid color-mix(in srgb,var(--c1) 35%,#fff);font-weight:900;color:var(--c1);box-shadow:0 12px 32px rgba(0,0,0,.08)}
h1{font-size:clamp(34px,6vw,64px);line-height:1;margin:18px 0 12px;letter-spacing:-1.6px}.hero p{font-size:19px;color:var(--muted);max-width:790px;margin:0 auto;line-height:1.6}
.card{background:rgba(255,255,255,.92);border:1px solid rgba(16,24,40,.08);box-shadow:0 22px 60px rgba(16,24,40,.12);border-radius:30px;padding:28px;margin:20px 0;backdrop-filter:blur(8px)}.form-grid{display:grid;gap:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px} label{font-weight:900;color:#1d2939} input,textarea,select{width:100%;border:2px solid #e4e7ec;border-radius:17px;padding:14px 16px;font-size:16px;background:#fff;outline:none}textarea{min-height:130px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--c1);box-shadow:0 0 0 4px color-mix(in srgb,var(--c1) 17%,transparent)}
button,.copy-btn,.print-btn{border:0;border-radius:18px;padding:16px 20px;font-size:17px;font-weight:950;color:#fff;background:linear-gradient(135deg,var(--c1),var(--c2));cursor:pointer;box-shadow:0 16px 30px color-mix(in srgb,var(--c1) 24%,transparent);text-decoration:none;display:inline-flex;align-items:center;justify-content:center}button:hover,.copy-btn:hover,.print-btn:hover{transform:translateY(-1px)}
.result{padding:18px;border-radius:20px;background:#f9fafb;border:1px dashed #d0d5dd;color:#344054;line-height:1.65;white-space:pre-wrap;word-break:break-word}.result.empty{color:#98a2b3}.output-box{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:16px;margin:10px 0}.copy-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.copy-btn,.print-btn{font-size:14px;padding:10px 14px}.tips ul{margin-bottom:0;line-height:1.8}.eco-links{display:flex;gap:10px;flex-wrap:wrap}.eco-links a{text-decoration:none;background:var(--bg);border:1px solid color-mix(in srgb,var(--c1) 30%,#fff);padding:11px 14px;border-radius:999px;color:var(--c1);font-weight:900}.tool-footer{display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;padding:24px;color:#667085;font-size:14px}.tool-footer a{color:var(--c1);font-weight:900;text-decoration:none}.qr-img{display:block;margin:16px auto;max-width:270px;border-radius:18px;border:12px solid #fff;box-shadow:0 12px 30px rgba(0,0,0,.12)} svg.barcode{width:100%;max-width:520px;background:#fff;border-radius:16px;padding:16px;margin:10px 0}.small-note{font-size:13px;color:#667085}.diff-added{background:#dcfce7}.diff-removed{background:#fee2e2;text-decoration:line-through}.preview-page{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:24px;margin-top:12px}.preview-page h3{font-size:28px;margin:0 0 8px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.stat{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:12px}.stat strong{display:block;color:#667085;font-size:12px}.stat span{font-size:22px;font-weight:950;color:var(--c1)}
@media(max-width:720px){.two,.stat-grid{grid-template-columns:1fr}.card{padding:20px;border-radius:22px}.hero{padding-top:24px}}
@media print{body{background:#fff}.hero,.tool-card,.tips,.ecosystem,.tool-footer{display:none}.preview-page{border:0;box-shadow:none}}