/* 科耀新材料官网 - 高大上设计补充样式 */

/* ========== Hero区域优化 ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0A4D68 0%, #088395 50%, #06A77D 100%);
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -2px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 48px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ========== 数据统计优化 ========== */
.stats {
    padding: 80px 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 16px;
    color: var(--text-gray);
    font-weight: 500;
}

/* ========== 品牌故事优化 ========== */
.story {
    padding: 120px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.story-text h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 32px;
    margin-bottom: 16px;
}

.story-text h3:first-child {
    margin-top: 0;
}

.story-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.story-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

/* ========== 技术实力优化 ========== */
.tech-strength {
    padding: 120px 0;
    background: var(--bg-light);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.tech-card {
    background: white;
    padding: 40px 32px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(10,77,104,0.15);
    border-color: var(--primary-color);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.tech-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.tech-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-gray);
}

/* ========== 应用领域优化 ========== */
.applications {
    padding: 120px 0;
    background: white;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.app-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(10,77,104,0.15);
}

.app-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.app-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.app-card:hover .app-image img {
    transform: scale(1.1);
}

.app-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    padding: 24px 24px 12px;
}

.app-card p {
    font-size: 14px;
    color: var(--text-gray);
    padding: 0 24px 24px;
    line-height: 1.6;
}

/* ========== 可持续发展优化 ========== */
.sustainability {
    padding: 120px 0;
    background: linear-gradient(135deg, #0A4D68 0%, #088395 100%);
    color: white;
}

.sus-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.sus-text h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.sus-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 32px;
    opacity: 0.95;
}

.sus-list {
    list-style: none;
    padding: 0;
}

.sus-list li {
    font-size: 16px;
    margin-bottom: 16px;
    padding-left: 32px;
    position: relative;
}

.sus-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ========== CTA优化 ========== */
.cta {
    padding: 120px 0;
    background: var(--bg-light);
    text-align: center;
}

.cta h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.cta p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* ========== 产品中心优化 ========== */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #0A4D68 0%, #088395 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.page-header p {
    font-size: 20px;
    opacity: 0.95;
}

.product-series {
    padding: 80px 0;
    background: white;
}

.product-series:nth-child(even) {
    background: var(--bg-light);
}

.series-header {
    text-align: center;
    margin-bottom: 60px;
}

.series-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.series-header p {
    font-size: 18px;
    color: var(--text-gray);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(10,77,104,0.15);
}

.product-card.featured {
    border: 2px solid var(--accent-color);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.product-image {
    width: 100%;
    height: 300px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-info {
    padding: 32px;
}

.product-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.product-desc {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
}

.product-features li {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 8px;
    padding-left: 24px;
    position: relative;
}

.product-applications {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
}

.product-actions {
    display: flex;
    gap: 12px;
}

/* ========== 材料推荐指南 ========== */
.material-guide {
    padding: 120px 0;
    background: white;
}

.guide-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.guide-item {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.guide-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.guide-item p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 56px;
    }
    
    .stats-grid,
    .tech-grid,
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .story-content,
    .sus-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .stats-grid,
    .tech-grid,
    .app-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-content {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }
}