/* 续费页面样式 - 简洁商务风格 */
.renewal-section {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #fafbff 0%, #f0f4ff 50%, #e0e7ff 100%);
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    position: relative;
    overflow-x: hidden;
}

.renewal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    z-index: 0;
}

.renewal-section > * {
    position: relative;
    z-index: 1;
}

.renewal-header {
    text-align: center;
    margin-bottom: 5rem;
    color: #1e293b;
    position: relative;
    padding: 0 1rem;
}

.renewal-header::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

.renewal-header::after {
    content: '';
    position: absolute;
    bottom: -2.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.renewal-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.05em;
    line-height: 1.1;
    background: linear-gradient(135deg, #1e293b 0%, #6366f1 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(99, 102, 241, 0.1);
}

.renewal-title i {
    margin-right: 12px;
    color: #475569;
}

.renewal-subtitle {
    font-size: 1.375rem;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: 500;
    letter-spacing: 0.02em;
    opacity: 0.9;
}

/* 续费步骤 - 简洁商务风格 */
.renewal-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 5rem;
    gap: 2rem;
    padding: 0 1rem;
    position: relative;
}

.renewal-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% - 6rem);
    height: 2px;
    background: linear-gradient(90deg, transparent, #e2e8f0 10%, #cbd5e1 50%, #e2e8f0 90%, transparent);
    z-index: 1;
    border-radius: 1px;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: #64748b;
    opacity: 0.8;
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    cursor: pointer;
}

.step-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.step-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.step-item.active {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    opacity: 1;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3), 0 4px 16px rgba(139, 92, 246, 0.2);
    transform: translateY(-2px) scale(1.02);
}

.step-item.active::before {
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
    opacity: 1;
}

.step-item:hover:not(.active) {
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12), 0 3px 12px rgba(0, 0, 0, 0.08);
}

.step-item:hover:not(.active)::before {
    opacity: 1;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    color: #64748b;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(226, 232, 240, 0.5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.step-item.active .step-number {
    background: rgba(255, 255, 255, 0.95);
    color: #6366f1;
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2), 0 2px 6px rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

.step-content h3 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.step-content p {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: 0.01em;
    line-height: 1.5;
}

/* 续费内容区域 */
.renewal-content {
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 卡密验证区域 */
.verification-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.card-header i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #ffd700;
}

.card-header h2 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
}

.card-body {
    padding: 40px;
}

.verification-desc {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.input-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.card-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
    color: #333;
}

.card-input::placeholder {
    color: #999;
}

.card-input:focus {
    outline: none;
    border-color: #3b82f6;
    background: white;
    color: #333;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.verification-result {
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
    font-weight: 500;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    text-align: center;
    font-size: 1rem;
}

.verification-result.show {
    opacity: 1;
    transform: translateY(0);
}

.verification-result.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.verification-result.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.verification-result.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* 套餐选择区域 - 使用首页样式 */
.package-selection {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-header .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #0f172a;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.04em;
    line-height: 1.2;
    background: linear-gradient(135deg, #1e293b 0%, #6366f1 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header i {
    margin-right: 8px;
    color: #64748b;
    font-size: 1.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 使用首页的pricing-grid样式 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

/* 使用首页的pricing-card样式 */
.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.selected {
    border-color: #10b981;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.2);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 1.5rem;
    color: #64748b;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
    margin: 0 0.25rem;
}

.period {
    font-size: 1rem;
    color: #64748b;
}

.discount {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
    padding: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #f1f5f9;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    margin-right: 0.75rem;
    width: 20px;
    color: #10b981;
}

.btn-purchase {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-purchase:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 40px;
    padding: 0 20px;
    max-width: 1300px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}







/* 响应式设计 - 现代简约风格 */
@media (max-width: 768px) {
    .renewal-section {
        padding: 3rem 1.5rem;
    }
    
    .renewal-header {
        margin-bottom: 3rem;
    }
    
    .renewal-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .renewal-subtitle {
        font-size: 1.1rem;
        max-width: 100%;
    }
    
    .packages-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
        max-width: 100%;
    }
    
    .package-card {
        padding: 2rem 1.5rem;
        margin: 0 auto;
        max-width: 400px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header i {
        font-size: 1.25rem;
    }
    
    .package-name {
        font-size: 1.25rem;
    }
    
    .package-price {
        font-size: 2.25rem;
    }
    
    .package-features {
        padding: 1.5rem;
    }
    
    .popular-badge,
    .recommended-badge {
        font-size: 0.65rem;
        padding: 6px 14px;
        top: -10px;
    }
}

@media (max-width: 480px) {
    .renewal-section {
        padding: 2rem 1rem;
    }
    
    .renewal-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .renewal-subtitle {
        font-size: 1rem;
        max-width: 95%;
        line-height: 1.5;
    }
    
    .renewal-steps {
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 3rem;
    }
    
    .step-item {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .step-number {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    
    .packages-grid {
        gap: 1.25rem;
    }
    
    .package-card {
        padding: 1.5rem 1.25rem;
        max-width: 100%;
    }
    
    .package-features {
        padding: 1.25rem;
    }
    
    .package-features li {
        padding: 0.75rem 0;
        font-size: 0.9rem;
    }
    
    .popular-badge, .recommended-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    padding: 0.5rem 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.daily-price-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    z-index: 10;
}

@media (max-width: 480px) {
    .popular-badge, .recommended-badge {
        font-size: 0.6rem;
        padding: 4px 10px;
        top: -8px;
    }
}
    
    .package-card.recommended .recommended-badge {
        left: 0.75rem;
    }
    
    .package-card.popular .popular-badge {
        right: 0.75rem;
    }
}

/* 支付方式选择 */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.payment-method {
    background: white;
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid #e1e5e9;
}

.payment-method:hover {
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.payment-method.selected {
    border-color: #3b82f6;
    background: #f8f9ff;
}

.payment-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.payment-method[data-method="alipay"] .payment-icon {
    background: #1677ff;
    color: white;
}

.payment-method[data-method="alipay"] .payment-icon .fab.fa-alipay {
    color: white;
}

.payment-method[data-method="wechat"] .payment-icon {
    background: #07c160;
    color: white;
}

.payment-method[data-method="wechat"] .payment-icon .fab.fa-weixin {
    color: white;
}

.payment-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.payment-info p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

.payment-radio {
    margin-left: auto;
}

.payment-radio input[type="radio"] {
    display: none;
}

.payment-radio label {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 50%;
    display: block;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.payment-radio input[type="radio"]:checked + label {
    border-color: #3b82f6;
    background: #3b82f6;
}

.payment-radio input[type="radio"]:checked + label::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 步骤操作按钮 */
.step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    gap: 15px;
}

.step-actions .btn {
    flex: 1;
    max-width: 200px;
}

.step-actions .btn.btn-secondary {
    background: #f8f9fa;
    color: #6c757d;
    border: 2px solid #e9ecef;
}

.step-actions .btn.btn-secondary:hover {
    background: #e9ecef;
    color: #495057;
    border-color: #dee2e6;
}

/* 支付摘要 */
.payment-summary {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid #e1e5e9;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1rem;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item.total {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    border-top: 2px solid #e1e5e9;
    margin-top: 10px;
    padding-top: 15px;
}

/* 按钮样式 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
    width: 100%;
}

/* 支付模态框 */
.payment-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.payment-modal .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.modal-header {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 20px 20px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
}

.modal-header i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.close-btn:hover {
    background: rgba(255,255,255,0.2);
}

.modal-body {
    padding: 20px;
}

.qr-section {
    text-align: center;
    margin-bottom: 15px;
}

.qr-code {
    display: inline-block;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 15px;
}

.qr-tip {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.payment-info {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.95rem;
}

.info-item:first-child {
    border-bottom: 1px solid #e1e5e9;
    padding-bottom: 12px;
    margin-bottom: 8px;
}

.payment-status {
    text-align: center;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: #fff3cd;
    color: #856404;
    border-radius: 25px;
    font-weight: 500;
}

.status-indicator i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 成功模态框 */
.success-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1001;
    backdrop-filter: blur(5px);
}

.success-modal .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    width: 90%;
    max-width: 400px;
    animation: successSlideIn 0.5s ease;
}

@keyframes successSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.success-icon {
    font-size: 4rem;
    color: #28a745;
    margin-bottom: 20px;
}

.success-modal h2 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.success-modal p {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.success-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.success-actions .btn {
    flex: 1;
    max-width: 150px;
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    text-align: center;
    color: white;
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    font-size: 1.1rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .renewal-title {
        font-size: 2.2rem;
    }
    
    .renewal-steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .step-item {
        padding: 15px 20px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .packages-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-methods {
        grid-template-columns: 1fr;
    }
    
    .payment-method {
        padding: 20px;
    }
    
    .success-actions {
        flex-direction: column;
    }
    
    .success-actions .btn {
        max-width: none;
    }
    
    .payment-modal .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .renewal-section {
        padding: 100px 0 60px;
    }
    
    .renewal-title {
        font-size: 1.8rem;
    }
    
    .card-body {
        padding: 25px;
    }
    
    .package-card {
        padding: 20px;
    }
    
    .payment-method {
        padding: 15px;
        gap: 15px;
    }
    
    .payment-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}