/* 现代化卡片式布局样式 */

/* 优化卡片间距和布局 */
.hero-buttons {
    gap: 15px;
    flex-wrap: wrap;
}

/* 数据卡片 - 更加现代化 */
.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.stat-item {
    padding: 35px 25px;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.6);
}

.stat-icon {
    font-size: 52px;
    margin-bottom: 18px;
    filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.3));
}

/* 功能卡片 - 玻璃态设计 */
.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.feature-card {
    padding: 35px 30px;
    border-radius: 20px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.35);
    border-color: rgba(59, 130, 246, 0.5);
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 22px;
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 应用场景 - 标签式卡片 */
.tabs {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.tab-buttons {
    gap: 12px;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.tab-btn:hover:not(.active) {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
}

.tab-btn.active {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.tab-content {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 20px;
    padding: 50px 40px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.scenario-content {
    padding: 20px;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.scenario-content h3 {
    font-size: 26px;
    margin-bottom: 18px;
}

.scenario-content ul li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.scenario-content ul li::before {
    content: "✓";
    position: static;
    margin-right: 10px;
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    color: white;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 14px;
}

/* 用户评价卡片 */
.testimonials-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    padding: 45px;
    border-radius: 20px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.3);
    border-color: rgba(59, 130, 246, 0.4);
}

.testimonial-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    font-size: 32px;
}

/* 价格卡片 */
.pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    padding: 50px 35px;
    border-radius: 24px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 2px solid rgba(59, 130, 246, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3B82F6, #60A5FA, #3B82F6);
    opacity: 0.3;
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.5);
}

.pricing-card.popular {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.pricing-card.popular::before {
    opacity: 0.8;
}

.price-value {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features li {
    padding: 14px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features li::before {
    content: "✓";
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    margin-right: 12px;
}

/* FAQ 卡片 */
.faq-list {
    max-width: 900px;
}

.faq-item {
    border-radius: 16px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.4);
}

.faq-question {
    padding: 22px 30px;
    background: rgba(59, 130, 246, 0.05);
}

/* Hero Banner 更新 */
.hero {
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* 按钮优化 */
.btn-primary {
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 16px;
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 16px;
    border: 2px solid rgba(59, 130, 246, 0.5);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.8);
}

.btn-outline {
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 16px;
    border: 2px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* 响应式优化 */
@media (max-width: 992px) {
    .stats-grid,
    .features-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .stats-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        width: 100%;
        justify-content: center;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
    }
}