:root{--primary:#4F46E5;--primary-dark:#3730A3;--primary-light:#6366F1;--secondary:#64748B;--light:#F1F5F9;--dark:#1E293B;--white:#FFFFFF;--success:#10B981;--warning:#F59E0B;--danger:#EF4444;--gradient:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);--gradient-light:linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);--radius:12px;--transition:all 0.3s ease}.page-header{background:var(--gradient-light);padding:80px 0 40px;position:relative;overflow:hidden}.page-header::after{content:'';position:absolute;top:-30%;right:-10%;width:60%;height:150%;background:radial-gradient(circle,rgb(79 70 229 / .04) 0%,transparent 70%);z-index:0}.page-header .container{position:relative;z-index:2}.page-header h1{font-size:2.8rem;font-weight:800;color:var(--dark);margin-bottom:16px}.page-header h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.page-header .guarantee-badge{display:inline-block;background:var(--success);color:#fff;padding:8px 28px;border-radius:40px;font-size:1.1rem;font-weight:600;margin-top:16px;box-shadow:var(--shadow);border:2px solid rgb(255 255 255 / .3)}.page-header .last-updated{display:inline-block;background:rgb(79 70 229 / .08);color:var(--primary-dark);padding:8px 24px;border-radius:40px;font-size:.95rem;font-weight:500;margin-top:8px;margin-left:16px}.refund-content{padding:80px 0;background:var(--white)}.refund-wrapper{display:grid;grid-template-columns:260px 1fr;gap:50px;align-items:start}.toc-sidebar{position:sticky;top:100px;background:var(--white);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);border:1px solid var(--light)}.toc-sidebar h3{font-size:1.2rem;font-weight:700;margin-bottom:20px;color:var(--dark);display:flex;align-items:center;gap:10px}.toc-sidebar h3 i{color:var(--primary)}.toc-links{list-style:none;padding:0;margin:0}.toc-links li{margin-bottom:12px}.toc-links a{color:var(--secondary);text-decoration:none;font-size:.95rem;font-weight:500;display:block;padding:8px 12px;border-radius:8px;transition:var(--transition);border-left:3px solid #fff0}.toc-links a:hover{background:var(--gradient-light);color:var(--primary);border-left-color:var(--primary)}.refund-article{background:var(--white);border-radius:var(--radius);padding:8px 0 0 0}.refund-section{margin-bottom:48px;scroll-margin-top:30px}.refund-section h2{font-size:1.8rem;font-weight:700;color:var(--dark);margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--light)}.refund-section h3{font-size:1.3rem;font-weight:600;color:var(--dark);margin:28px 0 16px}.refund-section h4{font-size:1.1rem;font-weight:600;color:var(--dark);margin:24px 0 12px}.refund-section p{color:var(--secondary);line-height:1.8;margin-bottom:20px;font-size:1.05rem}.refund-section ul,.refund-section ol{color:var(--secondary);line-height:1.8;margin-bottom:24px;padding-left:24px}.refund-section li{margin-bottom:10px}.refund-section strong{color:var(--dark);font-weight:600}.refund-section .highlight-box{background:var(--gradient-light);padding:28px 32px;border-radius:var(--radius);border-left:6px solid var(--primary);margin:32px 0}.refund-section .highlight-box.success{border-left-color:var(--success);background:#ECFDF5}.refund-section .highlight-box.warning{border-left-color:var(--warning);background:#FFFBEB}.refund-section .highlight-box.danger{border-left-color:var(--danger);background:#FEF2F2}.refund-section .highlight-box p:last-child{margin-bottom:0}.plan-table{width:100%;border-collapse:collapse;margin:32px 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.plan-table th{background:var(--primary);color:#fff;font-weight:600;padding:16px 20px;text-align:left;font-size:1rem}.plan-table td{padding:16px 20px;border-bottom:1px solid var(--light);background:var(--white)}.plan-table tr:last-child td{border-bottom:none}.plan-table tr:hover td{background:#F8FAFC}.refund-badge{display:inline-block;background:rgb(16 185 129 / .15);color:var(--success);padding:6px 16px;border-radius:30px;font-size:.85rem;font-weight:700;border:1px solid rgb(16 185 129 / .3)}.refund-badge.warning{background:rgb(245 158 11 / .15);color:#B45309;border-color:rgb(245 158 11 / .3)}.steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin:32px 0}.step-card{background:var(--white);border:1px solid var(--light);border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.step-number{width:48px;height:48px;background:var(--gradient);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin:0 auto 20px}.step-card h4{margin-bottom:12px;color:var(--dark);font-weight:700}.step-card p{color:var(--secondary);margin-bottom:0;font-size:.95rem}.faq-item{background:var(--white);border:1px solid var(--light);border-radius:var(--radius);padding:24px 28px;margin-bottom:16px;transition:var(--transition)}.faq-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow)}.faq-item h4{display:flex;align-items:center;gap:12px;margin-bottom:12px;color:var(--dark);font-weight:700}.faq-item h4 i{color:var(--primary);font-size:1.2rem}.faq-item p{margin-bottom:0;padding-left:32px;color:var(--secondary)}.contact-card{background:var(--white);padding:32px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--light);margin-top:24px}.contact-card i{color:var(--primary);width:28px;text-align:center}hr{border:none;border-top:2px solid var(--light);margin:40px 0}@media (max-width:992px){.refund-wrapper{grid-template-columns:1fr}.toc-sidebar{position:relative;top:0;margin-bottom:30px}.page-header h1{font-size:2.2rem}}@media (max-width:768px){.page-header{padding:60px 0 30px}.page-header h1{font-size:1.9rem}.refund-section h2{font-size:1.5rem}.plan-table{display:block;overflow-x:auto}.steps-container{grid-template-columns:1fr}}