/* 幻灯片 Banner */
.hero-slider {
position: relative;
height: 500px;
overflow: hidden;
margin-top: 60px;
}

.slide {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
opacity: 0;
transition: opacity 1s ease-in-out;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
padding: 0 20px;
}

.slide.active {
opacity: 1;
}

.slide:nth-child(1) {
background: linear-gradient(135deg, #1A3A5C 0%, #2C5F8D 100%);
}

.slide:nth-child(2) {
background: linear-gradient(135deg, #2C5F8D 0%, #1A3A5C 100%);
}

.slide:nth-child(3) {
background: linear-gradient(135deg, #0D2338 0%, #1A3A5C 100%);
}

.slide-content {
position: relative;
z-index: 2;
color: white;
max-width: 900px;
}

.slide h1 {
font-size: 42px;
margin-bottom: 15px;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.slide .slogan {
font-size: 20px;
margin-bottom: 30px;
opacity: 0.95;
}

/* 幻灯片装饰背景 */
.slide::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 500"><circle cx="100" cy="100" r="150" fill="%23C9A959" opacity="0.15"/><circle cx="1100" cy="400" r="200" fill="%23C9A959" opacity="0.1"/><circle cx="600" cy="250" r="100" fill="%232C5F8D" opacity="0.3"/></svg>') center/cover no-repeat;
}

/* 幻灯片指示器 */
.slider-indicators {
position: absolute;
bottom: 30px;
left: 50%;
transform: translateX(-50%);
display: flex;
gap: 12px;
z-index: 10;
}

.indicator {
width: 12px;
height: 12px;
border-radius: 50%;
background: rgba(255,255,255,0.5);
cursor: pointer;
transition: all 0.3s;
border: 2px solid transparent;
}

.indicator:hover {
background: rgba(255,255,255,0.8);
}

.indicator.active {
background: #C9A959;
border-color: #fff;
transform: scale(1.2);
}

/* 幻灯片按钮 */
.slider-btn {
position: absolute;
top: 50%;
transform: translateY(-50%);
background: rgba(255,255,255,0.2);
border: none;
color: white;
font-size: 24px;
width: 50px;
height: 50px;
border-radius: 50%;
cursor: pointer;
transition: all 0.3s;
z-index: 10;
display: flex;
align-items: center;
justify-content: center;
}

.slider-btn:hover {
background: rgba(255,255,255,0.4);
}

.slider-btn.prev {
left: 20px;
}

.slider-btn.next {
right: 20px;
}

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

.btn {
padding: 12px 30px;
border-radius: 5px;
text-decoration: none;
font-weight: bold;
transition: all 0.3s;
}

.btn-primary {
background: #C9A959;
color: #1A3A5C;
}

.btn-primary:hover {
background: #D4B86E;
}

.btn-outline {
border: 2px solid #fff;
color: #fff;
}

.btn-outline:hover {
background: #fff;
color: #1A3A5C;
}

/* 核心数据 */
.stats {
background: #F5F7FA;
padding: 60px 20px;
}

.stats-container {
max-width: 1200px;
margin: 0 auto;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 30px;
}

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

.stat-number {
font-size: 48px;
font-weight: bold;
color: #1A3A5C;
}

.stat-label {
font-size: 16px;
color: #666;
margin-top: 10px;
}

/* 产业布局 */
.industries {
padding: 80px 20px;
max-width: 1200px;
margin: 0 auto;
}

.section-title {
text-align: center;
font-size: 32px;
color: #1A3A5C;
margin-bottom: 50px;
}

.industry-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 25px;
}

.industry-card {
background: #fff;
border: 1px solid #E0E0E0;
border-radius: 8px;
padding: 30px;
transition: all 0.3s;
}

.industry-card:hover {
box-shadow: 0 5px 20px rgba(0,0,0,0.1);
transform: translateY(-5px);
}

.industry-icon {
font-size: 40px;
margin-bottom: 15px;
}

.industry-card h3 {
color: #1A3A5C;
margin-bottom: 10px;
}

.industry-card p {
color: #666;
font-size: 14px;
}

/* 关于我们 */
.about {
background: #F5F7FA;
padding: 80px 20px;
}

.about-container {
max-width: 1200px;
margin: 0 auto;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 50px;
align-items: center;
}

.about-content h2 {
color: #1A3A5C;
margin-bottom: 20px;
font-size: 28px;
}

.about-content p {
color: #666;
margin-bottom: 20px;
line-height: 1.8;
}

.about-image {
background: linear-gradient(135deg, #1A3A5C 0%, #2C5F8D 100%);
height: 400px;
border-radius: 10px;
display: flex;
align-items: center;
justify-content: center;
color: white;
font-size: 20px;
}

/* 新闻动态 */
.news {
padding: 80px 20px;
max-width: 1200px;
margin: 0 auto;
}

.news-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 25px;
}

.news-card {
background: #fff;
border: 1px solid #E0E0E0;
border-radius: 8px;
padding: 25px;
}

.news-date {
color: #999;
font-size: 14px;
margin-bottom: 10px;
}

.news-card h3{
color: #1A3A5C;
margin-bottom: 10px;
font-size: 18px;
}

.news-card h3 a {
    color: #1A3A5C;
    font-size: 18px;
    text-decoration: none ;
}

.news-card p {
color: #666;
font-size: 14px;
}

/* 联系我们 */
.contact {
background: #1A3A5C;
color: white;
padding: 80px 20px;
}

.contact-container {
max-width: 1200px;
margin: 0 auto;
text-align: center;
}

.contact h2 {
margin-bottom: 40px;
font-size: 28px;
}

.contact-info {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 30px;
margin-bottom: 40px;
}

.contact-item {
padding: 20px;
}

.contact-item h3 {
margin-bottom: 10px;
color: #C9A959;
}

/* 底部 */

footer p {
margin: 5px 0;
}

/* 响应式 */
@media (max-width: 768px) {

.hero-slider {
height: 400px;
}

.slide h1 {
font-size: 24px;
}

.slide .slogan {
font-size: 14px;
}

.slider-btn {
width: 40px;
height: 40px;
font-size: 18px;
}

.slider-btn.prev {
left: 10px;
}

.slider-btn.next {
right: 10px;
}

.about-container {
grid-template-columns: 1fr;
}

.stat-number {
font-size: 36px;
}
}