:root{--bg:#fff;--bg-subtle:#f8fafc;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#475569;--text-dim:#94a3b8;--primary:#0284c7;--primary-hover:#0369a1;--primary-subtle:#e0f2fe;--success:#10b981;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -2px #0000000d;--shadow-lg:0 12px 24px -4px #0f172a14}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font-family:inherit}.container{max-width:1120px;margin:0 auto;padding:0 24px}.header{z-index:100;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#fffffff0;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:68px;display:flex}.brand-group{align-items:center;gap:12px;display:flex}.brand-logo{letter-spacing:-.5px;font-size:22px;font-weight:800}.brand-logo span{color:var(--primary)}.brand-badge{background:var(--bg-subtle);border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:3px 8px;font-size:11px;font-weight:600}.header-actions{align-items:center;gap:12px;display:flex}.lang-toggle{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-subtle);padding:2px;font-size:12px;font-weight:600;display:inline-flex}.lang-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:4px;padding:4px 8px}.lang-btn.active{color:var(--primary);box-shadow:var(--shadow-sm);background:#fff}.pricing-intro{text-align:center;padding:64px 0 36px}.tag{text-transform:uppercase;letter-spacing:1px;color:var(--primary);margin-bottom:12px;font-size:12px;font-weight:700;display:inline-block}.title{letter-spacing:-1px;margin-bottom:16px;font-size:clamp(32px,4vw,48px);font-weight:800}.subtitle{color:var(--text-muted);max-width:640px;margin:0 auto 32px;font-size:17px}.billing-switch-wrapper{justify-content:center;align-items:center;gap:12px;margin-bottom:48px;font-size:14px;font-weight:500;display:flex}.switch-btn{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:999px;padding:8px 16px;font-weight:600}.switch-btn.active{background:var(--text-main);color:#fff;border-color:var(--text-main)}.badge-save{color:#15803d;background:#dcfce7;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.pricing-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:64px;display:grid}@media (width<=860px){.pricing-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}}.price-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;flex-direction:column;padding:36px 28px;transition:all .2s;display:flex;position:relative}.price-card:hover{box-shadow:var(--shadow-md);border-color:#cbd5e1}.price-card.popular{border-color:var(--primary);box-shadow:0 8px 30px #0284c71f}.popular-tag{background:var(--primary);color:#fff;text-transform:uppercase;letter-spacing:.5px;border-radius:999px;padding:4px 12px;font-size:11px;font-weight:700;position:absolute;top:-12px;left:50%;transform:translate(-50%)}.plan-name{margin-bottom:6px;font-size:18px;font-weight:700}.plan-price{color:var(--text-main);font-size:38px;font-weight:800}.plan-period{color:var(--text-muted);margin-bottom:16px;font-size:13px}.plan-desc{color:var(--text-muted);border-bottom:1px solid var(--border);margin-bottom:20px;padding-bottom:18px;font-size:14px;line-height:1.5}.plan-features{flex-grow:1;margin-bottom:28px;font-size:13.5px;list-style:none}.plan-features li{align-items:center;gap:8px;margin-bottom:10px;display:flex}.btn-plan{border-radius:var(--radius-md);border:1px solid var(--border);color:var(--text-main);cursor:pointer;background:#fff;width:100%;padding:12px 20px;font-size:14px;font-weight:600;transition:all .15s}.btn-plan:hover{background:var(--bg-subtle);border-color:#cbd5e1}.btn-plan.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-plan.primary:hover{background:var(--primary-hover)}.checkout-section{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-lg);max-width:680px;margin:0 auto 80px;padding:40px 32px}.checkout-head{text-align:center;margin-bottom:24px}.checkout-head h3{margin-bottom:6px;font-size:20px;font-weight:700}.checkout-head p{color:var(--text-muted);font-size:14px}.form-group{margin-bottom:16px}.form-label{color:var(--text-main);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-input{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;outline:none;width:100%;padding:10px 14px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--primary)}.checkout-btn{color:#fff;background:var(--text-main);border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;margin-top:10px;padding:14px;font-size:15px;font-weight:600;transition:all .15s}.checkout-btn:hover{background:#1e293b}.checkout-btn:disabled{opacity:.6;cursor:not-allowed}.status-msg{border-radius:var(--radius-sm);margin-top:16px;padding:12px 16px;font-size:13.5px;line-height:1.5;display:none}.status-msg.ok{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;display:block}.status-msg.err{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;display:block}.footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);padding:40px 0;font-size:13px}