/* 订阅页面样式 - 与系统风格保持一致 */
:root {
    --primary-color: #0a192f;
    --secondary-color: #112240;
    --accent-color: #00a8ff;
    --text-color: #e6f1ff;
    --text-secondary: #8892b0;
    --border-color: rgba(100, 255, 218, 0.3);
    --shadow-color: rgba(2, 12, 27, 0.7);
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
    --accent-gradient: linear-gradient(45deg, #00a8ff, #00d2ff);
}

/* 主要内容区域 */
.subscription-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin: 20px 0;
}

/* 页面标题动态效果 */
.page-title-container {
    text-align: center;
    margin-bottom: 10px;
    padding: 30px 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-title {
    font-size: 32px;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 3px;
}

.page-title-effect {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--accent-color),
        transparent);
    margin: 0 auto 15px;
    animation: pulse 2s infinite;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 700px;
    margin: 15px auto 0;
}

/* 版本对比 */
.version-comparison {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.version-item {
    background: rgba(17, 34, 64, 0.7);
    border-radius: 10px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    padding: 30px;
    width: 350px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.version-item.highlighted {
    border: 1px solid var(--accent-color);
    box-shadow: 0 0 30px rgba(0, 168, 255, 0.2);
    transform: scale(1.05);
    z-index: 2;
}

.version-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 168, 255, 0.15);
}

.version-item.highlighted:hover {
    transform: scale(1.05) translateY(-5px);
}

.version-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    color: var(--text-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.version-popular {
    position: absolute;
    top: -15px;
    right: 20px;
    background: rgba(46, 204, 113, 0.9);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    transform: rotate(0deg);
    animation: pulse 2s infinite;
}

.version-price {
    text-align: center;
    margin: 15px 0;
    padding: 10px 0;
}

.free-version .version-price {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-color);
    margin: 20px 0;
}

.price-text {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-color);
}

.version-billing {
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.version-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
    flex-grow: 1;
}

.feature-available {
    color: var(--accent-color);
}

.feature-unavailable {
    color: var(--text-secondary);
    opacity: 0.7;
}

.version-button {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    background: rgba(0, 168, 255, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(0, 168, 255, 0.2);
    cursor: not-allowed;
    font-size: 16px;
    font-weight: bold;
    margin-top: auto;
}

/* 订阅面板 */
.subscription-panel {
    background: rgba(10, 25, 47, 0.7);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(2, 12, 27, 0.5);
    padding: 30px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.subscription-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, 
        rgba(0, 168, 255, 0.1), 
        rgba(0, 168, 255, 0.6), 
        rgba(0, 168, 255, 0.1));
    animation: panelLightBar 4s linear infinite;
    z-index: 1;
}

.subscription-panel::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 168, 255, 0.05), 
        transparent);
    animation: panel-shine 8s ease-in-out infinite;
}

.subscription-header {
    margin-bottom: 30px;
    text-align: center;
}

.subscription-header h2 {
    font-size: 28px;
    color: var(--accent-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.subscription-tagline {
    color: var(--text-secondary);
    font-size: 16px;
}

/* 订阅计划 */
.plan-container {
    margin-bottom: 40px;
}

.plan {
    background: rgba(17, 34, 64, 0.7);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.3);
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.plan::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    background: linear-gradient(45deg, 
        rgba(0, 168, 255, 0.1), 
        transparent 40%, 
        transparent 60%, 
        rgba(0, 168, 255, 0.1));
    border-radius: 8px;
    z-index: -1;
    animation: pulse 3s infinite;
}

.plan:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 168, 255, 0.2);
}

.plan-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0, 168, 255, 0.2);
}

.plan-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.plan-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    margin-bottom: 5px;
}

.currency {
    font-size: 24px;
    color: var(--text-color);
    margin-top: 5px;
}

.amount {
    font-size: 48px;
    font-weight: bold;
    color: var(--text-color);
    line-height: 1;
}

.period {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.plan-billing {
    font-size: 14px;
    color: var(--text-secondary);
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-item i {
    color: var(--accent-color);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.feature-item span {
    color: var(--text-color);
}

.subscribe-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(0, 168, 255, 0.2);
    color: var(--accent-color);
    border: 1px solid rgba(0, 168, 255, 0.4);
    border-radius: 6px;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.subscribe-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 168, 255, 0.2), 
        transparent);
    animation: button-pulse 4s infinite;
}

.subscribe-button:hover {
    background: rgba(0, 168, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

/* 订阅优势 */
.why-subscribe {
    margin-top: 30px;
}

.why-subscribe h3 {
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.why-subscribe h3 i {
    color: var(--accent-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.1);
    border-color: rgba(0, 168, 255, 0.3);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    font-size: 20px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-content h4 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 客户评价面板 */
.testimonials-panel {
    background: rgba(10, 25, 47, 0.7);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(2, 12, 27, 0.5);
    padding: 25px;
    position: relative;
    overflow: hidden;
}

.testimonials-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, 
        rgba(0, 168, 255, 0.1), 
        rgba(0, 168, 255, 0.5), 
        rgba(0, 168, 255, 0.1));
    animation: panelLightBar 3s linear infinite;
}

.testimonials-panel h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.testimonials-panel h3 i {
    color: var(--accent-color);
}

.testimonial-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.testimonial-item {
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    padding: 15px;
    transition: all 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.1);
    border-color: rgba(0, 168, 255, 0.3);
}

.testimonial-content {
    margin-bottom: 15px;
}

.testimonial-content p {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    color: var(--accent-color);
    font-size: 20px;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 15px;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 3px;
}

.author-title {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 订阅表单模态窗口 */
.subscription-form {
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(0, 168, 255, 0.2);
}

.modal-header h3 {
    font-size: 22px;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-button:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
    color: var(--text-color);
}

.form-group label i {
    color: var(--accent-color);
    margin-right: 5px;
    width: 16px;
    text-align: center;
}

.form-group input, 
.form-group select {
    width: 100%;
    padding: 10px 15px;
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 168, 255, 0.3);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(0, 168, 255, 0.2);
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.payment-method {
    flex: 1;
    min-width: 120px;
}

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

.payment-method label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 168, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-method input[type="radio"]:checked + label {
    background: rgba(0, 168, 255, 0.1);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(0, 168, 255, 0.2);
}

.payment-icon {
    font-size: 24px;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-container input[type="checkbox"] {
    width: auto;
}

.terms-link, .privacy-link {
    color: var(--accent-color);
    text-decoration: none;
}

.terms-link:hover, .privacy-link:hover {
    text-decoration: underline;
}

.form-summary {
    margin: 25px 0;
    padding: 20px;
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 168, 255, 0.2);
    border-radius: 8px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.summary-item:last-child {
    margin-bottom: 0;
}

.summary-item.total {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 168, 255, 0.2);
}

.summary-label {
    color: var(--text-secondary);
}

.summary-value {
    color: var(--text-color);
    font-weight: bold;
}

.form-actions {
    text-align: center;
}

.confirm-subscription {
    background: rgba(0, 168, 255, 0.2);
    color: var(--accent-color);
    border: 1px solid rgba(0, 168, 255, 0.4);
    border-radius: 6px;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.confirm-subscription:hover {
    background: rgba(0, 168, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

/* 支付成功模态窗口 */
.success-message {
    max-width: 500px;
    text-align: center;
    padding: 40px 30px;
}

.success-icon {
    font-size: 60px;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-message h3 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

.modal-buttons {
    margin-top: 25px;
}

/* 动画效果 */
@keyframes panelLightBar {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes panel-shine {
    0% {
        left: -100%;
    }
    20%, 100% {
        left: 100%;
    }
}

@keyframes button-pulse {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes pulse {
    0% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.6;
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .version-comparison {
        flex-direction: column;
        align-items: center;
    }
    
    .version-item.highlighted {
        transform: scale(1);
    }
    
    .version-item.highlighted:hover {
        transform: translateY(-5px);
    }
    
    .advantages-grid,
    .comparison-charts,
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .version-item {
        width: 100%;
        max-width: 350px;
    }
    
    .advantages-grid,
    .comparison-charts,
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-container {
        justify-content: center;
    }
    
    .contact-container {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-info {
        width: 100%;
    }
}

/* 模态窗口动画 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 12, 27, 0.8);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--primary-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    padding: 25px;
    width: 90%;
    max-width: 500px;
    transform: translateY(20px);
    opacity: 0;
    animation: modalFadeIn 0.4s 0.2s forwards;
}

@keyframes modalFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 核心优势部分 */
.section-title {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    padding-left: 15px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.section-title i {
    color: var(--accent-color);
}

.core-advantages, 
.performance-comparison, 
.application-scenarios, 
.faq-section, 
.partners-section,
.contact-section {
    background: rgba(10, 25, 47, 0.7);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    padding: 30px;
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}

.core-advantages::before,
.performance-comparison::before,
.application-scenarios::before,
.faq-section::before,
.partners-section::before,
.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, 
        rgba(0, 168, 255, 0.1), 
        rgba(0, 168, 255, 0.5), 
        rgba(0, 168, 255, 0.1));
    animation: panelLightBar 4s linear infinite;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.1);
    border-color: rgba(0, 168, 255, 0.3);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    font-size: 20px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.advantage-content {
    flex: 1;
}

.advantage-content h4 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.advantage-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 性能对比数据 */
.comparison-charts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.chart-container {
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    padding: 20px;
}

.chart-container h4 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 20px;
    text-align: center;
}

.chart-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chart-bar-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.chart-label {
    width: 80px;
    font-size: 14px;
    color: var(--text-secondary);
    text-align: right;
}

.chart-bar {
    flex: 1;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 156, 0, 0.7), rgba(255, 156, 0, 0.9));
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 15px;
    color: white;
    font-size: 13px;
    transition: width 1.5s ease-in-out;
}

.bar-fill.enterprise {
    background: linear-gradient(90deg, rgba(0, 168, 255, 0.7), rgba(0, 168, 255, 0.9));
}

/* 应用场景 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.scenario-item {
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    padding: 25px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.scenario-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 168, 255, 0.15);
    border-color: rgba(0, 168, 255, 0.4);
}

.scenario-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent-color);
}

.scenario-item h4 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.scenario-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 常见问题 */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    overflow: hidden;
}

.faq-question {
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 168, 255, 0.1);
}

.faq-question span {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
}

.faq-question i {
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.faq-answer {
    background: rgba(10, 25, 47, 0.5);
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* 合作伙伴 */
.partners-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 10px;
}

.partner-item {
    width: 150px;
    height: 120px;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 168, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 168, 255, 0.1);
    border-color: rgba(0, 168, 255, 0.4);
}

.partner-logo {
    font-size: 36px;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.partner-name {
    font-size: 15px;
    color: var(--text-color);
}

/* 联系我们 */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 18px;
}

.contact-item span {
    font-size: 16px;
    color: var(--text-color);
}

.contact-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.4);
}

/* 服务条款和隐私政策模态窗口样式 */
.terms-content,
.privacy-content {
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 30px;
}

.terms-body,
.privacy-body {
    padding-right: 15px;
}

.terms-section,
.privacy-section {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 168, 255, 0.1);
}

.terms-section:last-child,
.privacy-section:last-child {
    border-bottom: none;
}

.terms-section h4,
.privacy-section h4 {
    color: var(--accent-color);
    font-size: 18px;
    margin-bottom: 15px;
    font-weight: 600;
}

.terms-section p,
.privacy-section p {
    color: var(--text-color);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.privacy-intro {
    font-size: 16px;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-color);
    line-height: 1.7;
}

.privacy-section ul {
    margin: 10px 0;
    padding-left: 20px;
}

.privacy-section li {
    color: var(--text-color);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.privacy-link-in-terms {
    color: var(--accent-color);
    text-decoration: none;
}

.privacy-link-in-terms:hover {
    text-decoration: underline;
}

.terms-footer,
.privacy-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 168, 255, 0.2);
    text-align: center;
}

.terms-footer p,
.privacy-footer p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.accept-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.accept-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.4);
}

/* 自定义滚动条样式 */
.terms-content::-webkit-scrollbar,
.privacy-content::-webkit-scrollbar {
    width: 8px;
}

.terms-content::-webkit-scrollbar-track,
.privacy-content::-webkit-scrollbar-track {
    background: rgba(17, 34, 64, 0.5);
    border-radius: 4px;
}

.terms-content::-webkit-scrollbar-thumb,
.privacy-content::-webkit-scrollbar-thumb {
    background: rgba(0, 168, 255, 0.5);
    border-radius: 4px;
}

.terms-content::-webkit-scrollbar-thumb:hover,
.privacy-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 168, 255, 0.7);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .terms-content,
    .privacy-content {
        padding: 20px;
        max-width: 95%;
    }
    
    .terms-section h4,
    .privacy-section h4 {
        font-size: 17px;
    }
    
    .terms-section p,
    .privacy-section p,
    .privacy-section li {
        font-size: 14px;
    }
    
    .accept-button {
        padding: 10px 20px;
        font-size: 15px;
    }
}

/* 系统预览模态窗口样式 */
.preview-modal-content {
    max-width: 550px;
}

.preview-info {
    text-align: center;
    padding: 15px 0;
}

.preview-icon {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 15px;
    animation: pulse 2s infinite;
}

.preview-info h4 {
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 12px;
}

.preview-info p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.preview-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 25px 0;
    text-align: left;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.preview-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.preview-feature i {
    color: var(--accent-color);
    font-size: 16px;
}

.preview-feature:last-child i {
    color: var(--warning-color);
}

.preview-feature span {
    color: var(--text-color);
    font-size: 14px;
}

.preview-buttons {
    margin-top: 25px;
    text-align: center;
}

.start-preview-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.start-preview-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.4);
}

/* 预览倒计时通知模态窗口样式 */
.countdown-modal-content {
    max-width: 450px;
    text-align: center;
}

.countdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(0, 168, 255, 0.2);
}

.countdown-header h3 {
    font-size: 20px;
    color: var(--warning-color);
    margin: 0;
}

.countdown-icon {
    font-size: 50px;
    color: var(--warning-color);
    margin: 10px 0 20px;
    animation: pulse 1.5s infinite;
}

.countdown-body p {
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 10px;
}

#countdown-time {
    font-weight: bold;
    color: var(--warning-color);
    font-size: 18px;
}

.countdown-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.subscribe-now-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.subscribe-now-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.4);
}

.continue-preview-button {
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 168, 255, 0.3);
    color: var(--text-color);
    border-radius: 6px;
    padding: 10px 20px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.continue-preview-button:hover {
    background: rgba(17, 34, 64, 0.7);
    border-color: var(--accent-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .preview-features {
        grid-template-columns: 1fr;
    }
    
    .countdown-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .subscribe-now-button,
    .continue-preview-button {
        width: 100%;
    }
}

/* 顶部导航按钮美化 */
.top-nav {
    display: flex;
    gap: 20px;
}

.nav-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(0, 168, 255, 0.1);
    border: 1px solid rgba(0, 168, 255, 0.3);
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.nav-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 168, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.nav-button:hover {
    background: rgba(0, 168, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 7px 14px rgba(0, 168, 255, 0.2);
    text-decoration: none;
}

.nav-button:hover::before {
    left: 100%;
}

.nav-button i {
    color: var(--accent-color);
    font-size: 16px;
    transition: all 0.3s ease;
}

.nav-button:hover i {
    transform: scale(1.2);
}

/* 联系销售顾问模态窗口样式 */
.contact-sales-content {
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    background-color: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(59, 130, 246, 0.5);
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(0, 168, 255, 0.3), 0 0 60px rgba(0, 168, 255, 0.1);
}

.contact-intro {
    text-align: center;
    margin-bottom: 30px;
    color: #e2e8f0;
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    background-color: rgba(30, 41, 59, 0.7);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 168, 255, 0.2);
    border-color: rgba(59, 130, 246, 0.6);
}

.contact-method-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
    padding-bottom: 10px;
}

.contact-method-header i {
    font-size: 2rem;
    color: #00a8ff;
}

.contact-method-header h4 {
    margin: 0;
    color: #f8fafc;
    font-size: 1.2rem;
}

.contact-method-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.qrcode-container {
    width: 200px;
    height: 200px;
    background-color: #fff;
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.qrcode-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 168, 255, 0.1), transparent);
    z-index: 1;
}

.qrcode-image {
    max-width: 180px;
    max-height: 180px;
    width: auto;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 2;
    display: block;
}

.qrcode-desc {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.5;
    max-width: 400px;
    margin: 0 auto;
}

.contact-divider {
    position: relative;
    text-align: center;
    margin: 10px 0;
}

.contact-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: rgba(59, 130, 246, 0.3);
    z-index: 1;
}

.contact-divider span {
    position: relative;
    z-index: 2;
    background-color: rgba(15, 23, 42, 0.95);
    padding: 0 15px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.contact-note {
    margin-top: 30px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background-color: rgba(30, 41, 59, 0.5);
    border-radius: 8px;
    padding: 15px;
    border-left: 3px solid #00a8ff;
}

.contact-note i {
    color: #00a8ff;
    font-size: 1.2rem;
    margin-top: 2px;
}

.contact-note p {
    margin: 0;
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-note strong {
    color: #f8fafc;
}

/* 响应式调整 */
@media (min-width: 768px) {
    .contact-methods {
        flex-direction: row;
    }
    
    .contact-divider {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 80px;
    }
    
    .contact-divider::before {
        display: none;
    }
    
    .contact-divider span {
        width: 80px;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: rgba(30, 41, 59, 0.7);
        border-radius: 50%;
        border: 1px solid rgba(59, 130, 246, 0.3);
    }
    
    .contact-method {
        flex: 1;
    }
}

@media (max-width: 767px) {
    .contact-sales-content {
        width: 95%;
    }
    
    .qrcode-container {
        width: 180px;
        height: 180px;
    }
}

.qrcode-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #666;
    font-size: 14px;
    text-align: center;
    line-height: 1.5;
    z-index: 3;
}