/* 
 * 宝鸡果一诺金属材料有限公司 - 首页专用样式
 */

/* ========== Hero Banner ========== */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2d2d2d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.2;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 3px;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #ccc;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(30px);
    }
}

/* ========== 核心优势板块 ========== */
.advantages {
    background: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 25px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    transition: all 0.4s ease;
    border: 1px solid #eee;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: #333;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    object-fit: contain;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.advantage-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

/* ========== 快速入口 ========== */
.quick-access {
    background: linear-gradient(135deg, #f0f1f2 0%, #e5e6e7 100%);
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.access-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
}

.access-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.access-item:hover .access-image {
    transform: scale(1.1);
}

.access-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    color: #fff;
}

.access-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.access-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: #ccc;
    transition: all 0.3s ease;
}

.access-item:hover .access-link {
    color: #fff;
    gap: 15px;
}

/* ========== 资讯列表 ========== */
.news-section {
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .advantages-grid,
    .access-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .access-image {
        height: 250px;
    }
}