/* 月订阅充值页面 - Linear Design System */

/* Linear风格设计系统 */
:root {
    /* Linear色彩系统 - 高对比度和精致感 */
    --linear-bg-primary: #fafafa;
    --linear-bg-secondary: #ffffff;
    --linear-bg-tertiary: #f6f6f6;
    --linear-surface: #ffffff;
    --linear-surface-hover: #f8f9fa;
    --linear-surface-pressed: #f1f3f4;
    
    /* Linear文本色彩 */
    --linear-text-primary: #0d0e10;
    --linear-text-secondary: #5e6ad2;
    --linear-text-tertiary: #8993a4;
    --linear-text-quaternary: #b4bcc8;
    
    /* Linear品牌色彩 */
    --linear-brand-primary: #5e6ad2;
    --linear-brand-secondary: #4c63d2;
    --linear-brand-tertiary: #364fc7;
    
    /* Linear功能色彩 */
    --linear-success: #00d26a;
    --linear-warning: #ff6b35;
    --linear-error: #f5455c;
    
    /* Linear边框色彩 */
    --linear-border-primary: #e1e5e9;
    --linear-border-secondary: #f1f3f4;
    --linear-border-focus: #5e6ad2;
    
    /* Linear阴影系统 */
    --linear-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --linear-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --linear-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
    --linear-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.03);
    --linear-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --linear-shadow-brand: 0 4px 12px rgba(94, 106, 210, 0.15);
    
    /* Linear间距系统 */
    --linear-space-1: 4px;
    --linear-space-2: 8px;
    --linear-space-3: 12px;
    --linear-space-4: 16px;
    --linear-space-5: 20px;
    --linear-space-6: 24px;
    --linear-space-8: 32px;
    --linear-space-10: 40px;
    --linear-space-12: 48px;
    --linear-space-16: 64px;
    --linear-space-20: 80px;
    
    /* Linear圆角系统 */
    --linear-radius-xs: 4px;
    --linear-radius-sm: 6px;
    --linear-radius-md: 8px;
    --linear-radius-lg: 12px;
    --linear-radius-xl: 16px;
    --linear-radius-2xl: 20px;
    
    /* Linear字体系统 */
    --linear-font-size-xs: 11px;
    --linear-font-size-sm: 13px;
    --linear-font-size-base: 14px;
    --linear-font-size-lg: 16px;
    --linear-font-size-xl: 18px;
    --linear-font-size-2xl: 20px;
    --linear-font-size-3xl: 24px;
    --linear-font-size-4xl: 32px;
    
    /* Linear字重系统 */
    --linear-font-weight-normal: 400;
    --linear-font-weight-medium: 500;
    --linear-font-weight-semibold: 600;
    --linear-font-weight-bold: 700;
    
    /* Linear过渡系统 */
    --linear-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --linear-transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --linear-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Linear基础布局 */
.recharge-section {
    padding: var(--linear-space-8) 0;
    background: var(--linear-bg-primary);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    position: relative;
    /* Linear高对比度文本渲染 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Linear背景装饰 */
.recharge-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--linear-border-primary), transparent);
}

.recharge-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(94, 106, 210, 0.03) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.recharge-container {
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: var(--linear-font-size-3xl);
    font-weight: var(--linear-font-weight-bold);
    color: var(--linear-text-primary);
    margin-bottom: var(--linear-space-6);
    line-height: 1.1;
    letter-spacing: -0.025em;
    /* Linear高对比度排版 */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
    position: relative;
}

.section-title .highlight {
    color: var(--linear-brand-primary);
    font-weight: var(--linear-font-weight-bold);
    /* 增强品牌色对比度 */
    text-shadow: 0 1px 3px rgba(94, 106, 210, 0.1);
}

.recharge-container {
    background: var(--linear-surface);
    border-radius: var(--linear-radius-xl);
    padding: var(--linear-space-6);
    box-shadow: var(--linear-shadow-lg);
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--linear-border-primary);
    position: relative;
    transition: var(--linear-transition-normal);
    overflow: hidden;
}

.recharge-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--linear-brand-primary), var(--linear-brand-secondary));
    opacity: 0;
    transition: var(--linear-transition-normal);
}

.recharge-container:hover {
    box-shadow: var(--linear-shadow-xl);
    border-color: var(--linear-border-secondary);
    transform: translateY(-2px);
}

.recharge-container:hover::before {
    opacity: 1;
}

/* Linear表单组件 */
.form-group {
    margin-bottom: var(--linear-space-3);
}

.form-group label {
    display: block;
    font-size: var(--linear-font-size-sm);
    font-weight: var(--linear-font-weight-medium);
    color: var(--linear-text-primary);
    margin-bottom: var(--linear-space-2);
    letter-spacing: -0.01em;
}

.form-group input {
    width: 100%;
    padding: var(--linear-space-2) var(--linear-space-3);
    border: 1px solid var(--linear-border-primary);
    border-radius: var(--linear-radius-sm);
    font-size: var(--linear-font-size-sm);
    background: var(--linear-surface);
    color: var(--linear-text-primary);
    transition: var(--linear-transition-fast);
    box-sizing: border-box;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--linear-border-focus);
    box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.1), var(--linear-shadow-sm);
    background: var(--linear-surface);
    transform: translateY(-1px);
}

.form-group input:hover:not(:focus) {
    border-color: var(--linear-border-secondary);
    background: var(--linear-surface-hover);
}

.form-group input::placeholder {
    color: var(--linear-text-quaternary);
    font-weight: var(--linear-font-weight-normal);
}

/* Linear验证码组件 */
.verification-code {
    display: flex;
    gap: var(--linear-space-3);
    align-items: end;
}

.verification-code input {
    flex: 1;
}

.verification-code button {
    white-space: nowrap;
    padding: var(--linear-space-2) var(--linear-space-3);
    background: var(--linear-brand-primary);
    color: white;
    border: none;
    border-radius: var(--linear-radius-sm);
    font-weight: var(--linear-font-weight-medium);
    cursor: pointer;
    transition: var(--linear-transition-fast);
    font-size: var(--linear-font-size-xs);
    letter-spacing: -0.01em;
    box-shadow: var(--linear-shadow-xs);
    font-family: inherit;
}

.verification-code button:hover {
    background: var(--linear-brand-secondary);
    transform: translateY(-1px);
    box-shadow: var(--linear-shadow-brand);
}

.verification-code button:active {
    background: var(--linear-brand-tertiary);
    transform: translateY(0);
    box-shadow: var(--linear-shadow-xs);
}

.verification-code button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    background: var(--linear-text-quaternary);
}

/* Linear警告提示 */
.phone-warning {
    display: flex;
    gap: var(--linear-space-1);
    align-items: flex-start;
    background: #fff8f1;
    border: 1px solid #fed7aa;
    border-radius: var(--linear-radius-sm);
    padding: var(--linear-space-2);
    margin-top: var(--linear-space-1);
}

.warning-icon {
    color: var(--linear-warning);
    font-size: var(--linear-font-size-sm);
    flex-shrink: 0;
    margin-top: 1px;
}

.warning-content {
    flex: 1;
}

.warning-content strong {
    display: block;
    color: #9a3412;
    font-weight: var(--linear-font-weight-semibold);
    font-size: var(--linear-font-size-xs);
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.warning-content p {
    color: #9a3412;
    font-size: 11px;
    line-height: 1.3;
    margin: 0;
    font-weight: var(--linear-font-weight-normal);
}

/* Linear充值信息卡片 */
.recharge-info {
    background: var(--linear-surface);
    border: 1px solid var(--linear-border-primary);
    border-radius: var(--linear-radius-lg);
    padding: var(--linear-space-4);
    margin-top: var(--linear-space-5);
    box-shadow: var(--linear-shadow-sm);
    transition: var(--linear-transition-normal);
    position: relative;
    overflow: hidden;
}

.recharge-info::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(94, 106, 210, 0.03), transparent);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.recharge-info:hover {
    box-shadow: var(--linear-shadow-md);
    border-color: var(--linear-border-secondary);
    transform: translateY(-2px);
}

.recharge-info:hover::after {
    left: 100%;
}



.recharge-info h3 {
    margin: 0 0 var(--linear-space-2) 0;
    font-size: var(--linear-font-size-base);
    color: var(--linear-text-primary);
    font-weight: var(--linear-font-weight-semibold);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: var(--linear-space-2);
}

.recharge-info h3::before {
    content: '💳';
    font-size: var(--linear-font-size-base);
}

.recharge-info p {
    margin: 0 0 var(--linear-space-2) 0;
    color: var(--linear-text-secondary);
    font-size: var(--linear-font-size-xs);
    line-height: 1.4;
    font-weight: var(--linear-font-weight-normal);
}

.recharge-info ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
    line-height: 1.2;
}

.recharge-info li {
    position: relative;
    padding-left: var(--linear-space-5);
    margin-bottom: var(--linear-space-1);
    font-size: var(--linear-font-size-xs);
    color: var(--linear-text-primary);
    line-height: 1.3;
    font-weight: var(--linear-font-weight-normal);
    transition: var(--linear-transition-fast);
}

.recharge-info li:last-child {
    color: #ef4444;
    font-weight: 500;
}

.recharge-info li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--linear-brand-primary);
    font-weight: var(--linear-font-weight-semibold);
    font-size: var(--linear-font-size-sm);
}

/* Linear提交按钮 */
.submit-btn {
    width: 100%;
    padding: var(--linear-space-3) var(--linear-space-5);
    background: var(--linear-brand-primary);
    color: white;
    border: none;
    border-radius: var(--linear-radius-sm);
    font-size: var(--linear-font-size-sm);
    font-weight: var(--linear-font-weight-medium);
    cursor: pointer;
    transition: var(--linear-transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--linear-shadow-sm);
    letter-spacing: -0.01em;
    margin-top: var(--linear-space-4);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--linear-space-2);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.submit-btn:hover {
    background: var(--linear-brand-secondary);
    transform: translateY(-1px);
    box-shadow: var(--linear-shadow-lg), 0 8px 25px rgba(94, 106, 210, 0.25);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:active {
    background: var(--linear-brand-tertiary);
    transform: translateY(0);
    box-shadow: var(--linear-shadow-sm);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    background: var(--linear-text-quaternary);
    box-shadow: var(--linear-shadow-xs);
}

.submit-btn:disabled::before {
    display: none;
}

/* Linear模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 14, 16, 0.6);
    backdrop-filter: blur(12px);
    animation: modalFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--linear-space-4);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(12px);
    }
}

.modal-content {
    background: var(--linear-surface);
    margin: auto;
    padding: var(--linear-space-8);
    border-radius: var(--linear-radius-xl);
    width: 90%;
    max-width: 480px;
    position: relative;
    box-shadow: var(--linear-shadow-xl);
    animation: modalSlideIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--linear-border-primary);
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-content h3 {
    margin: 0 0 var(--linear-space-6) 0;
    text-align: center;
    color: var(--linear-text-primary);
    font-size: var(--linear-font-size-xl);
    font-weight: var(--linear-font-weight-bold);
    letter-spacing: -0.01em;
}

.close-modal {
    position: absolute;
    top: var(--linear-space-4);
    right: var(--linear-space-4);
    color: var(--linear-text-tertiary);
    font-size: var(--linear-font-size-xl);
    font-weight: var(--linear-font-weight-normal);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--linear-radius-md);
    transition: var(--linear-transition-fast);
    background: var(--linear-surface-hover);
    border: 1px solid var(--linear-border-secondary);
}

.close-modal:hover {
    color: var(--linear-text-primary);
    background: var(--linear-surface-pressed);
    border-color: var(--linear-border-primary);
    transform: scale(1.05);
}

/* Linear二维码容器 */
.qr-code-container {
    margin: var(--linear-space-5) 0;
    padding: var(--linear-space-8);
    background: var(--linear-surface);
    border-radius: var(--linear-radius-lg);
    border: 1px solid var(--linear-border-primary);
    display: inline-block;
    width: 100%;
    text-align: center;
    box-shadow: var(--linear-shadow-sm);
    transition: var(--linear-transition-normal);
    position: relative;
    overflow: hidden;
}

.qr-code-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(94, 106, 210, 0.04), transparent);
    transition: left 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.qr-code-container:hover {
    box-shadow: var(--linear-shadow-md);
    border-color: var(--linear-border-secondary);
    transform: translateY(-1px);
}

.qr-code-container:hover::before {
    left: 100%;
}

#qrcode {
    margin: 0 auto;
    border-radius: var(--linear-radius-md);
    box-shadow: var(--linear-shadow-md);
    transition: var(--linear-transition-normal);
}

#qrcode:hover {
    transform: scale(1.02);
    box-shadow: var(--linear-shadow-lg);
}

/* Linear支付状态 */
.payment-status {
    text-align: center;
    margin-top: var(--linear-space-6);
}

#payment-message {
    color: var(--linear-text-secondary);
    font-size: var(--linear-font-size-sm);
    margin-bottom: var(--linear-space-4);
    font-weight: var(--linear-font-weight-normal);
    line-height: 1.5;
}

.payment-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--linear-space-5) 0;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--linear-border-secondary);
    border-top: 2px solid var(--linear-brand-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Linear月数选择器 */
.month-selector {
    margin-bottom: var(--linear-space-4);
}

.month-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--linear-space-4);
    align-items: center;
}

.month-slider {
    width: 100%;
    height: 6px;
    border-radius: var(--linear-radius-sm);
    background: var(--linear-border-primary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: var(--linear-transition-normal);
}

.month-slider::-webkit-slider-track {
    width: 100%;
    height: 6px;
    border-radius: var(--linear-radius-sm);
    background: linear-gradient(90deg, var(--linear-brand-primary) 0%, var(--linear-brand-secondary) 100%);
}

.month-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--linear-brand-primary);
    cursor: pointer;
    box-shadow: var(--linear-shadow-md), 0 0 0 4px rgba(94, 106, 210, 0.1);
    transition: var(--linear-transition-fast);
    border: 2px solid white;
}

.month-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--linear-shadow-lg), 0 0 0 6px rgba(94, 106, 210, 0.15);
    background: var(--linear-brand-secondary);
}

.month-slider::-moz-range-track {
    width: 100%;
    height: 6px;
    border-radius: var(--linear-radius-sm);
    background: linear-gradient(90deg, var(--linear-brand-primary) 0%, var(--linear-brand-secondary) 100%);
    border: none;
}

.month-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--linear-brand-primary);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: var(--linear-shadow-md);
    transition: var(--linear-transition-fast);
}

.month-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--linear-shadow-lg);
    background: var(--linear-brand-secondary);
}

.month-display {
    background: linear-gradient(135deg, var(--linear-brand-primary) 0%, var(--linear-brand-secondary) 100%);
    color: white;
    padding: var(--linear-space-2) var(--linear-space-4);
    border-radius: var(--linear-radius-lg);
    font-size: var(--linear-font-size-sm);
    font-weight: var(--linear-font-weight-semibold);
    text-align: center;
    box-shadow: var(--linear-shadow-sm);
    min-width: 80px;
    letter-spacing: -0.01em;
    transition: var(--linear-transition-fast);
}

/* 价格显示卡片样式 */
.pricing-display {
    margin-bottom: var(--linear-space-4);
}

.pricing-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(16, 185, 129, 0.03) 100%);
    border: 2px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--linear-radius-lg);
    padding: var(--linear-space-2) var(--linear-space-3);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(94, 106, 210, 0.05), transparent);
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 移除顶部彩色横线 */

.pricing-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-colored-lg);
    border-color: rgba(99, 102, 241, 0.2);
}

.pricing-card:hover::after {
    left: 100%;
}

.pricing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--linear-space-2);
    padding-bottom: var(--linear-space-1);
    border-bottom: 1px solid var(--linear-border-primary);
}

.pricing-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    font-weight: 700;
}

.discount-badge {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pricing-details {
    display: flex;
    flex-direction: column;
    gap: var(--linear-space-1);
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
}

.price-row .label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.price-row .value {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 600;
}

.total-row {
    border-top: 2px solid var(--linear-border-primary);
    padding-top: var(--linear-space-2);
    margin-top: var(--linear-space-1);
}

.total-row .label {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    font-weight: 700;
}

.total-price {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    font-weight: 700;
}

.save-original-row {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-radius: 8px;
    padding: 12px 16px;
    margin: 8px -8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.save-section, .original-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-section .label {
    color: var(--accent-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.save-amount {
    color: var(--accent-color);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.original-section .label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.original-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* 保持原有样式兼容性 */
.save-row {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-radius: 8px;
    padding: 12px 16px;
    margin: 8px -8px;
}

.save-row .label {
    color: var(--accent-color);
    font-weight: 600;
}

.original-row .value {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* 支付弹窗增强样式 */
.payment-info {
    margin-top: 16px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.payment-info p {
    margin: 8px 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.payment-info span {
    font-weight: 600;
    color: var(--text-primary);
}

.amount-display span {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.subscription-info span {
    color: var(--accent-color);
    font-weight: 600;
}

.expires-info span {
    color: var(--text-primary);
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .recharge-section {
        padding: 100px 0 60px;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
        margin-bottom: 32px;
    }
    
    .recharge-container {
        padding: 24px;
        margin: 0 16px;
        border-radius: 20px;
    }
    
    .form-group {
        margin-bottom: 24px;
    }
    
    .form-group input {
        padding: 14px 16px;
        font-size: var(--font-size-sm);
    }
    
    .verification-code {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .verification-code button {
        padding: 14px 20px;
        font-size: var(--font-size-xs);
    }
    
    .phone-warning {
        padding: 12px;
        gap: 8px;
    }
    
    .warning-icon {
        font-size: var(--font-size-base);
    }
    
    .pricing-card {
        padding: 20px;
    }
    
    .pricing-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .discount-badge {
        align-self: flex-end;
    }
    
    .month-display {
        font-size: var(--font-size-base);
        padding: 10px 20px;
        min-width: 100px;
    }
    
    .total-price {
        font-size: var(--font-size-xl);
    }
    
    .recharge-info {
        padding: 20px;
        margin-top: 32px;
    }
    
    .recharge-info h3 {
        font-size: var(--font-size-base);
    }
    
    .recharge-info p,
    .recharge-info li {
        font-size: var(--font-size-xs);
    }
    
    .submit-btn {
        padding: 16px 24px;
        font-size: var(--font-size-base);
        border-radius: 12px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 24px;
        width: 95%;
        border-radius: 16px;
    }
    
    .modal-content h3 {
        font-size: var(--font-size-lg);
        margin-bottom: 20px;
    }
    
    .qr-code-container {
        padding: 12px;
    }
    
    .payment-info {
        padding: 12px;
    }
    
    .payment-info p {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .recharge-section {
        padding: 80px 0 40px;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
        margin-bottom: 24px;
    }
    
    .recharge-container {
        padding: 20px;
        margin: 0 12px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .month-display {
        font-size: var(--font-size-sm);
        padding: 8px 16px;
        min-width: 80px;
    }
    
    .pricing-card {
        padding: 12px 16px;
    }
    
    .price-row {
        padding: 3px 0;
    }
    
    .total-price {
        font-size: var(--font-size-lg);
    }
    
    .recharge-info {
        padding: 16px;
        margin-top: 24px;
    }
    
    .submit-btn {
        padding: 14px 20px;
        font-size: var(--font-size-sm);
    }
    
    .modal-content {
        margin: 15% auto;
        padding: 20px;
        width: 98%;
    }
}

/* 动画效果 */
.pricing-card {
    animation: slideInUp 0.6s ease-out;
}

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

.month-selector {
    animation: fadeIn 0.8s ease-out 0.2s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 滑块刻度标记 */
.month-slider {
    position: relative;
}

.month-slider::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 20px;
    background: repeating-linear-gradient(
        90deg,
        transparent 0%,
        transparent calc(100% / 12 - 1px),
        var(--border-color) calc(100% / 12 - 1px),
        var(--border-color) calc(100% / 12)
    );
    pointer-events: none;
}

/* 价格变化动画 */
.value {
    transition: all 0.3s ease;
}

.value.updating {
    transform: scale(1.1);
    color: var(--primary-color);
}

/* 折扣徽章动画 */
.discount-badge.show {
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 节省金额高亮效果 */
.save-row.highlight,
.save-original-row.highlight {
    animation: highlightSave 1s ease-out;
}

@keyframes highlightSave {
    0% {
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    }
    50% {
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.3) 0%, rgba(5, 150, 105, 0.3) 100%);
        transform: scale(1.02);
    }
    100% {
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
        transform: scale(1);
    }
}