*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#eef3fb;color:#111827}
.container{width:min(100% - 24px, 1000px);margin:0 auto}
.site-header{background:linear-gradient(135deg,#081226,#17223a);color:#fff;padding:18px 0;box-shadow:0 8px 20px rgba(0,0,0,.15)}
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{font-size:1.8rem;font-weight:800}.brand span{color:#8db8ff}
.nav-links{display:flex;gap:14px;flex-wrap:wrap}.nav-links a{color:#dbe8ff;text-decoration:none}
.main-wrap{padding:28px 0 60px}
.hero{margin-bottom:22px}.eyebrow{color:#2563eb;text-transform:uppercase;font-weight:700;letter-spacing:.08em;font-size:.82rem}
.hero h1{font-size:2.5rem;line-height:1.05;margin:.35rem 0 1rem}.subtext{color:#64748b;font-size:1.08rem;line-height:1.5}
.tool-card{background:#fff;border:1px solid #dbe3ee;border-radius:24px;padding:18px;box-shadow:0 14px 30px rgba(15,23,42,.08)}
.drop-zone{border:3px dashed #c9dbfa;border-radius:24px;padding:28px 16px;background:linear-gradient(180deg,#f9fbff,#f3f7ff);text-align:center;cursor:pointer}
.drop-icon{width:86px;height:86px;margin:0 auto 12px;display:grid;place-items:center;border-radius:24px;background:#dce9ff;font-size:2rem}
.drop-zone h2{margin:0 0 6px;font-size:1.5rem}.drop-zone p{margin:0;color:#64748b}
.preset-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.preset{border:1px solid #d7e2f3;background:#f6f8fd;color:#24408e;border-radius:18px;padding:14px 10px;font-size:1rem;font-weight:800}
.preset.active{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;border-color:transparent}
.primary-btn,.save-btn{width:100%;border:none;border-radius:16px;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;font-size:1.1rem;font-weight:800;padding:16px 18px}
.status{margin-top:12px;color:#64748b;min-height:20px}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.preview-card{border:1px solid #dbe3ee;border-radius:20px;padding:14px;background:#fff}
.preview-card h3{margin:0 0 10px}
.preview-image{border:1px solid #dbe3ee;border-radius:18px;min-height:220px;background:#f8fafc;display:grid;place-items:center;overflow:hidden}
.preview-image img{max-width:100%;max-height:260px;object-fit:contain;display:block}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}
.stat-card{border:1px solid #dbe3ee;border-radius:18px;padding:14px;background:#f8fbff}
.stat-card span{display:block;color:#64748b;margin-bottom:8px}.stat-card strong{font-size:1.3rem}
.note{color:#64748b;font-size:.95rem}
.page-wrap{padding:30px 0 60px}.page-card{background:#fff;border:1px solid #dbe3ee;border-radius:24px;padding:24px;box-shadow:0 14px 30px rgba(15,23,42,.08)}
.page-card h1{font-size:2rem;line-height:1.1;margin-top:0}.page-card p,.page-card li{color:#475569;line-height:1.7}.back-btn{display:inline-block;margin-top:14px;padding:12px 18px;background:#2563eb;color:#fff;text-decoration:none;border-radius:12px;font-weight:700}
@media (max-width:700px){.nav{flex-direction:column;align-items:flex-start}.hero h1{font-size:2rem}.preset-row,.preview-grid,.stat-grid{grid-template-columns:1fr}}