/* 首页横幅 */
.banner {
    position: relative;
    height: 600px;
    overflow: hidden;
    margin-bottom: 3rem;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
}

.banner-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.animate-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0;
    animation: slideIn 1s ease-out forwards;
}

.animate-text {
    font-size: 1.5rem;
    opacity: 0;
    animation: slideIn 1s ease-out 0.3s forwards;
}

/* 特色内容 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.feature-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.feature-item h2 {
    font-size: 1.5rem;
    margin: 1rem;
    color: #333;
}

.feature-item p {
    margin: 0 1rem 1rem;
    color: #666;
}

.feature-item .btn {
    margin: 0 1rem 1rem;
}

/* 动画效果 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .banner {
        height: 400px;
    }

    .animate-title {
        font-size: 2rem;
    }

    .animate-text {
        font-size: 1.2rem;
    }

    .features {
        grid-template-columns: 1fr;
    }
}

/* 中国风元素 */
.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4));
    z-index: 1;
}

.feature-item {
    border: 1px solid #e8e8e8;
    position: relative;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e60012, #c70012);
}

/* 动态效果 */
.feature-item:hover .feature-img {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.feature-item .btn {
    position: relative;
    overflow: hidden;
}

.feature-item .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

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