* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* 价格方案样式 */
.pricing-section {
    padding: var(--space-4xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-3xl);
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all 0.4s var(--ease-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.pricing-card-popular {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pricing-card-popular:hover {
    box-shadow: var(--shadow-xl);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.pricing-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-sm);
}

.price-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.price-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.price-period {
    font-size: 14px;
    color: var(--text-tertiary);
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-tertiary);
}

.pricing-features {
    list-style: none;
    flex: 1;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-features li svg {
    flex-shrink: 0;
    color: var(--accent-teal);
}

.pricing-features li.feature-disabled {
    color: var(--text-muted);
}

.pricing-features li.feature-disabled svg {
    color: var(--text-muted);
}

.pricing-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
}

.pricing-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.pricing-btn-primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pricing-btn-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
}

/* 登录弹窗样式 */
.login-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.login-modal.active {
    display: flex;
}

.login-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.login-modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s var(--ease-smooth);
}

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

.login-modal-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.login-modal-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    width: 100%;
}

.login-modal-header p {
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    width: 100%;
}

.login-modal-close {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-smooth);
}

.login-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: var(--space-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s var(--ease-smooth);
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-subtle);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.login-submit-btn {
    padding: var(--space-md);
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.35);
}

.login-submit-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.login-submit-btn:active {
    transform: translateY(0);
}

/* 试用弹窗样式 */
.trial-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.trial-modal.active {
    display: flex;
}

.trial-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.trial-modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s var(--ease-smooth);
}

.trial-modal-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
}

.trial-modal-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.trial-modal-header p {
    font-size: 14px;
    color: var(--text-tertiary);
}

.trial-modal-close {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-smooth);
}

.trial-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.trial-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.trial-submit-btn {
    padding: var(--space-md);
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.35);
}

.trial-submit-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.trial-submit-btn:active {
    transform: translateY(0);
}

/* 支付二维码弹窗样式 */
.payment-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.payment-modal.active {
    display: flex;
}

.payment-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.payment-modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s var(--ease-smooth);
}

.payment-modal-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
}

.payment-modal-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.payment-modal-header p {
    font-size: 14px;
    color: var(--text-tertiary);
}

.payment-modal-close {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-smooth);
}

.payment-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.payment-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.payment-qr-code {
    width: 200px;
    height: 200px;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.payment-qr-code svg {
    width: 100%;
    height: 100%;
}

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

.payment-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
}

.payment-desc {
    font-size: 14px;
    color: var(--text-tertiary);
}