:root{--color-bg: #f6f7f9;--color-surface: #ffffff;--color-border: #e5e7eb;--color-text: #111827;--color-muted: #6b7280;--color-primary: #1a56db;--color-primary-hover: #1e429f;--color-danger: #dc2626;--color-success: #047857;--radius: 8px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}.container{max-width:880px;margin:0 auto;padding:0 20px}.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}.logo{font-weight:700;font-size:18px;color:var(--color-text);text-decoration:none}.logo span{color:var(--color-primary)}.nav{display:flex;gap:16px;align-items:center}.nav a{color:var(--color-muted);text-decoration:none;font-size:14px}.nav a:hover{color:var(--color-text)}main{padding:40px 0 80px;min-height:calc(100vh - 160px)}.site-footer{border-top:1px solid var(--color-border);padding:20px 0;font-size:13px;color:var(--color-muted)}.site-footer a{color:var(--color-muted);margin-right:16px}h1{font-size:28px;line-height:1.25;margin:0 0 12px}h2{font-size:20px;margin:0 0 12px}.sub{color:var(--color-muted);margin-top:0}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;margin-bottom:20px}.btn{display:inline-block;font:inherit;font-size:14px;font-weight:600;padding:10px 18px;border-radius:6px;border:1px solid transparent;cursor:pointer;text-decoration:none;text-align:center}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){border-color:var(--color-muted)}.btn-danger{background:transparent;color:var(--color-danger);border-color:var(--color-danger)}label{display:block;font-size:14px;font-weight:600;margin:16px 0 6px}input[type=email],input[type=password],input[type=text],input[type=date],select{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--color-border);border-radius:6px;background:#fff}input:focus,select:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.checkbox{display:flex;gap:10px;align-items:flex-start;margin:16px 0;font-size:13px;color:var(--color-muted)}.checkbox input{margin-top:3px}.form-actions{margin-top:20px;display:flex;gap:12px;align-items:center}.alert{border-radius:6px;padding:12px 16px;font-size:14px;margin:16px 0}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.badge{display:inline-block;font-size:12px;font-weight:600;padding:2px 10px;border-radius:999px}.badge-green{background:#d1fae5;color:#065f46}.badge-yellow{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-gray{background:#f3f4f6;color:#4b5563}.row{display:flex;gap:16px;flex-wrap:wrap}.row>*{flex:1;min-width:200px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--color-border)}th{color:var(--color-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.muted{color:var(--color-muted);font-size:14px}.hero{text-align:center;padding:60px 0 40px}.hero h1{font-size:40px}.hero p{font-size:18px;color:var(--color-muted);max-width:560px;margin:0 auto 28px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:40px 0}.feature{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px}.feature h3{margin:0 0 8px;font-size:16px}.feature p{margin:0;font-size:14px;color:var(--color-muted)}.price{text-align:center}.price .amount{font-size:36px;font-weight:700}.price .amount small{font-size:15px;font-weight:400;color:var(--color-muted)}