.cta-primary{
    margin-right: 5px;
}

/* 功能样式 */
.tt1-container .wenzhang{
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 核心网格布局 - 固定3列 */
.tt1-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 固定3列 */
    gap: 30px; /* 卡片间距 */
}

/* 单个功能卡片样式 */
.tt1-card {
    background: linear-gradient(145deg, #1a2332, #161b27);
    border-radius: 12px;
    padding: 30px 25px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

/* 卡片顶部的装饰光带 */
.tt1-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00a8ff, transparent);
    transition: left 0.5s ease;
}

.tt1-card:hover::before {
    left: 100%;
}

/* 卡片悬停效果 */
.tt1-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 100, 255, 0.25);
    border-color: rgba(0, 150, 255, 0.4);
}

/* 图标样式 */
.tt1-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    text-align: center;
    filter: drop-shadow(0 0 8px rgba(0, 168, 255, 0.6));
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 功能标题样式 */
.tt1-card h3 {
    margin: 0 0 15px 0;
    color: #ffffff;
    font-size: 1.5rem;
    text-align: center;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 功能描述样式 */
.tt1-card p {
    margin: 0;
    line-height: 1.7;
    color: #b0b0b0;
    text-align: center;
    font-size: 0.95rem;
}

/* 响应式设计：平板端调整为2列 */
@media (max-width: 1024px) {
    .tt1-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

/* 响应式设计：手机端调整为1列 */
@media (max-width: 768px) {
    .tt1-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tt1-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .tt1-card {
        padding: 25px 20px;
    }
}
/* 常见问题 */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}


/* 标题样式 - 精致霓虹 */
.faq-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #58a6ff;
    font-weight: 300;
    letter-spacing: 2px;
    position: relative;
}

.faq-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #58a6ff, transparent);
    margin: 20px auto 0;
}

/* 手风琴容器 */
.faq-accordion {
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid #30363d;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* 问题项样式 */
.faq-item {
    border-bottom: 1px solid #21262d;
    transition: all 0.3s ease;
}

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

.faq-item:hover {
    background: rgba(88, 166, 255, 0.03);
}

/* 问题按钮样式 */
.faq-question {
    width: 100%;
    padding: 24px 60px 24px 24px;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    color: #e6edf3;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.faq-question:hover {
    color: #58a6ff;
}

/* 数字指示器 - 更精致 */
.question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid #30363d;
    border-radius: 4px;
    margin-right: 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #58a6ff;
    transition: all 0.3s ease;
}

.faq-question:hover .question-number {
    background: rgba(88, 166, 255, 0.2);
    border-color: #58a6ff;
    transform: scale(1.05);
}

.question-text {
    flex: 1;
    text-align: left;
}

/* 箭头图标 - 简约风格 */
.faq-question::after {
    content: '›';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    font-size: 1.4rem;
    color: #8b949e;
    transition: all 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: translateY(-50%) rotate(90deg);
    color: #58a6ff;
}

/* 答案内容样式 */
.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(13, 17, 23, 0.5);
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px 80px;
    max-height: 1000px;
}

.answer-content {
    padding: 20px;
    background: rgba(88, 166, 255, 0.05);
    border-left: 3px solid #58a6ff;
    border-radius: 4px;
    margin-top: 16px;
}

.answer-content p {
    margin: 0 0 12px 0;
    color: #8b949e;
}

.answer-content p:last-child {
    margin-bottom: 0;
}

.answer-content p strong {
    color: #e6edf3;
    font-weight: 500;
}

/* 列表样式 */
.cyber-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cyber-list li {
    position: relative;
    padding: 8px 0 8px 24px;
    color: #8b949e;
}

.cyber-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #58a6ff;
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 20px 16px;
    }
    
    .faq-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .faq-question {
        padding: 20px 50px 20px 20px;
        font-size: 1rem;
    }
    
    .question-number {
        width: 24px;
        height: 24px;
        margin-right: 12px;
        font-size: 0.8rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 20px 60px;
    }
    
    .answer-content {
        padding: 16px;
    }
}

/* 微妙的动画效果 */
@keyframes subtle-glow {
    0%, 100% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3); }
    50% { box-shadow: 0 8px 32px rgba(88, 166, 255, 0.1); }
}

.faq-accordion {
    animation: subtle-glow 6s ease-in-out infinite;
}

/* 激活状态的高光 */
.faq-item.active {
    background: rgba(88, 166, 255, 0.05);
    border-left: 3px solid #58a6ff;
    margin-left: -3px;
}