*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,#e3f2fd,#bbdefb,#90caf9);min-height:100vh}.page-wrapper{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:20px}.card{background:#fff;padding:32px;border-radius:20px;box-shadow:0 10px 40px #2196f326;text-align:center;max-width:420px;width:100%;border:1px solid rgba(33,150,243,.1);animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card-header{margin-bottom:24px}.icon-wrapper{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#2196f3,#1976d2);border-radius:50%;display:flex;align-items:center;justify-content:center}.icon-wrapper svg{width:32px;height:32px;color:#fff}.icon-wrapper.loading-icon{background:linear-gradient(135deg,#90caf9,#64b5f6)}.icon-wrapper.error-icon{background:linear-gradient(135deg,#ef5350,#c62828)}.icon-wrapper.success-icon{background:linear-gradient(135deg,#66bb6a,#2e7d32)}.spin-icon{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}h1{color:#1976d2;font-size:24px;font-weight:600;margin-bottom:8px}.subtitle{color:#64b5f6;font-size:14px}.alert{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:10px;margin-bottom:20px;font-size:13px;text-align:left}.alert svg{width:20px;height:20px;flex-shrink:0}.alert-warning{background:#fff8e1;border:1px solid #ffca28;color:#f57c00}.info-card{background:#f5f9ff;border:1px solid #bbdefb;border-radius:12px;padding:16px;margin-bottom:24px}.info-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #e3f2fd}.info-row:last-child{border-bottom:none}.info-label{color:#64b5f6;font-size:13px}.info-value{color:#1976d2;font-weight:500;font-size:14px}.info-value.highlight{color:#2196f3;font-weight:600}.info-value.expire{color:#c62828;font-size:12px}.steps-indicator{display:flex;align-items:center;justify-content:center;margin-bottom:24px;gap:0}.step{display:flex;flex-direction:column;align-items:center;gap:6px}.step-number{width:32px;height:32px;border-radius:50%;background:#e3f2fd;color:#90caf9;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;transition:all .3s}.step.active .step-number{background:linear-gradient(135deg,#2196f3,#1976d2);color:#fff}.step.completed .step-number{background:#4caf50;color:#fff}.step span{font-size:11px;color:#90caf9}.step.active span{color:#1976d2;font-weight:500}.step-line{width:40px;height:2px;background:#e3f2fd;margin:0 8px 20px;transition:all .3s}.step-line.active{background:#2196f3}.section-title{font-size:14px;color:#1976d2;font-weight:500;margin-bottom:12px;text-align:left}.turnstile-wrapper{margin-bottom:20px}.cf-turnstile{display:flex;justify-content:center}.category-wrapper{margin-bottom:20px}.category-cards{display:flex;gap:16px;margin-bottom:16px}.category-card{flex:1;background:#f5f9ff;border:2px solid #e3f2fd;border-radius:12px;padding:20px 16px;cursor:pointer;transition:all .2s;text-align:center}.category-card:hover{border-color:#2196f3;background:#e3f2fd;transform:translateY(-2px)}.category-icon{width:48px;height:48px;margin:0 auto 12px;background:linear-gradient(135deg,#2196f3,#1976d2);border-radius:12px;display:flex;align-items:center;justify-content:center}.category-icon svg{width:24px;height:24px;color:#fff}.category-title{font-size:15px;font-weight:600;color:#1976d2;margin-bottom:6px}.category-desc{font-size:12px;color:#64b5f6;line-height:1.4}.category-tip{font-size:12px;color:#90a4ae;text-align:center}.quiz-wrapper{margin-bottom:20px}.quiz-card{background:#fafafa;border:1px solid #e3f2fd;border-radius:12px;padding:20px}.quiz-question{font-size:15px;color:#333;margin-bottom:16px;text-align:left;line-height:1.6;font-weight:500}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-btn{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fff;border:2px solid #e3f2fd;border-radius:10px;cursor:pointer;transition:all .2s;text-align:left}.quiz-btn:hover{border-color:#2196f3;background:#f5f9ff}.quiz-btn.selected{border-color:#2196f3;background:#e3f2fd}.quiz-btn.correct{border-color:#4caf50;background:#e8f5e9}.quiz-btn.wrong{border-color:#f44336;background:#ffebee}.option-letter{width:28px;height:28px;border-radius:50%;background:#e3f2fd;color:#1976d2;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0}.quiz-btn.selected .option-letter{background:#2196f3;color:#fff}.quiz-btn.correct .option-letter{background:#4caf50;color:#fff}.quiz-btn.wrong .option-letter{background:#f44336;color:#fff}.option-text{font-size:14px;color:#333}.quiz-hint{font-size:12px;margin-top:12px;text-align:left;padding-top:12px;border-top:1px solid #e3f2fd}.submit-btn{width:100%;padding:14px;background:linear-gradient(135deg,#2196f3,#1976d2);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #2196f34d}.submit-btn:disabled{background:#bdbdbd;cursor:not-allowed;transform:none;box-shadow:none}.btn-loading{width:18px;height:18px;border:2px solid white;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}.message{margin-top:16px;padding:12px 16px;border-radius:10px;font-size:14px}.message.success{background:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}.message.error{background:#ffebee;color:#c62828;border:1px solid #ef9a9a}.code-section{margin-top:24px;padding-top:24px;border-top:1px solid #e3f2fd}.code-section .success-icon{width:56px;height:56px;margin:0 auto 12px;background:linear-gradient(135deg,#66bb6a,#2e7d32);border-radius:50%;display:flex;align-items:center;justify-content:center}.code-section .success-icon svg{width:28px;height:28px;color:#fff}.success-title{font-size:18px;font-weight:600;color:#2e7d32;margin-bottom:4px}.success-desc{font-size:13px;color:#666;margin-bottom:16px}.code-box{background:linear-gradient(135deg,#e3f2fd,#bbdefb);border:2px dashed #2196f3;border-radius:12px;padding:20px;cursor:pointer;transition:all .2s}.code-box:hover{background:linear-gradient(135deg,#bbdefb,#90caf9);border-color:#1976d2}.code-box:active{transform:scale(.98)}.code-value{font-size:36px;font-weight:700;color:#1976d2;letter-spacing:6px;font-family:SF Mono,Monaco,Inconsolata,monospace;display:block;margin-bottom:12px}.copy-hint{display:flex;align-items:center;justify-content:center;gap:6px;color:#64b5f6;font-size:13px}.copy-hint svg{width:16px;height:16px}.card-error h1{color:#c62828}.error-message{font-size:15px;color:#333;margin-bottom:8px}.error-desc{font-size:13px;color:#666;margin-bottom:20px}.tip-box{display:flex;align-items:flex-start;gap:10px;background:#e3f2fd;border:1px solid #90caf9;border-radius:10px;padding:14px 16px;text-align:left}.tip-box svg{width:20px;height:20px;color:#1976d2;flex-shrink:0;margin-top:1px}.tip-box span{font-size:13px;color:#1976d2;line-height:1.5}.tip-box.success{background:#e8f5e9;border-color:#a5d6a7}.tip-box.success svg,.tip-box.success span{color:#2e7d32}.card-success h1{color:#2e7d32}.success-message{font-size:15px;color:#333;margin-bottom:8px}.copy-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);background:#000000d9;color:#fff;padding:16px 32px;border-radius:12px;font-size:15px;z-index:1000;opacity:0;pointer-events:none;transition:all .2s}.copy-toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}.honeypot{display:none!important}@media (max-width: 480px){.card{padding:24px 20px}.step-line{width:24px}.step span{font-size:10px}.code-value{font-size:28px;letter-spacing:4px}}