/* 基础样式设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 英雄区域样式 */
.hero {
    height: 500px;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('../images/全景.webp') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 60px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 章节标题样式 */
.section-title {
    text-align: center;
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #e74c3c;
}

/* 城市概况样式 */
.city-overview {
    margin-bottom: 60px;
    padding: 40px 0;
    background: #f8f9fa;
    border-radius: 20px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.overview-card {
    background: linear-gradient(145deg, #fff, #f8f8f8);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 为不同卡片设置不同的渐变背景 */
.overview-card:nth-child(1) {
    background: linear-gradient(145deg, #fff5f5, #fff);
    border-left: 4px solid #e74c3c;
}

.overview-card:nth-child(2) {
    background: linear-gradient(145deg, #f5f9ff, #fff);
    border-left: 4px solid #3498db;
}

.overview-card:nth-child(3) {
    background: linear-gradient(145deg, #f0fff4, #fff);
    border-left: 4px solid #2ecc71;
}

.overview-card:nth-child(4) {
    background: linear-gradient(145deg, #fff8f0, #fff);
    border-left: 4px solid #f1c40f;
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.overview-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.5em;
}

.overview-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 地理环境样式 */
.geography-section {
    margin-bottom: 60px;
}

.geography-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.geo-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.geo-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.geo-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.info-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.3em;
}

.info-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        height: 300px;
    }

    .hero-content h1 {
        font-size: 2.5em;
    }

    .hero-content p {
        font-size: 1.2em;
    }

    .geography-content {
        grid-template-columns: 1fr;
    }

    .geo-image {
        height: 300px;
    }

    .geo-image img {
        height: 100%;
    }

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

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

/* 统计数据展示区域样式 */
.statistics-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    margin: 60px 0;
}

.statistics-container {
    max-width: 1000px;
    margin: 0 auto;
}

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

.stat-card {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-progress {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.8s ease;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.progress-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.8em;
    font-weight: bold;
    color: #2c3e50;
}

/* 产业发展新样式 */
.industry-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #fff 0%, #f8f5f2 100%);
}

.industry-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    gap: 3rem;
}

.industry-block {
    background: linear-gradient(145deg, #fff, #f8f8f8);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 30px;
}

.industry-block:hover {
    transform: translateY(-10px);
}

.industry-header {
    background: linear-gradient(145deg, #b13e3e, #8b2727);
    padding: 20px;
    color: white;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.industry-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.industry-icon i {
    font-size: 2rem;
    color: white;
}

.industry-header h3 {
    font-size: 1.8rem;
    margin: 0;
}

.industry-content {
    padding: 2rem;
}

.industry-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.stat-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #983636;
    display: inline-block;
}

.stat-unit {
    font-size: 1.2rem;
    color: #983636;
    margin-left: 0.5rem;
}

.stat-item p {
    margin-top: 0.5rem;
    color: #666;
}

.industry-details {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
}

.detail-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
}

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

.detail-info {
    padding: 1.5rem;
}

.detail-info h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.detail-info ul {
    list-style: none;
    padding: 0;
}

.detail-info ul li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.detail-info ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #983636;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .detail-item {
        grid-template-columns: 1fr;
    }
    
    .industry-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .industry-header {
        padding: 1.5rem;
    }
    
    .industry-icon {
        width: 50px;
        height: 50px;
    }
    
    .industry-header h3 {
        font-size: 1.5rem;
    }
}

/* 未来展望卡片样式 */
.future-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f5f2 0%, #fff 100%);
}

.future-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.future-card {
    height: 320px;
    perspective: 1500px;
    position: relative;
}

/* 为不同卡片设置不同的渐变色 - 正面 */
.future-card:nth-child(1) .card-front {
    background: linear-gradient(145deg, #ff7675, #d63031);  /* 红色系 */
}

.future-card:nth-child(2) .card-front {
    background: linear-gradient(145deg, #00b894, #00cec9);  /* 青色系 */
}

.future-card:nth-child(3) .card-front {
    background: linear-gradient(145deg, #0984e3, #74b9ff);  /* 蓝色系 */
}

.future-card:nth-child(4) .card-front {
    background: linear-gradient(145deg, #6c5ce7, #a29bfe);  /* 紫色系 */
}

.future-card:nth-child(5) .card-front {
    background: linear-gradient(145deg, #fdcb6e, #ffeaa7);  /* 黄色系 */
}

.future-card:nth-child(6) .card-front {
    background: linear-gradient(145deg, #00b09b, #96c93d);  /* 绿色系 */
}

/* 为不同卡片设置不同的渐变色 - 背面 */
.future-card:nth-child(1) .card-back {
    background: linear-gradient(145deg, #fff5f5, #ffe9e9);
    border-left: 4px solid #d63031;
}

.future-card:nth-child(2) .card-back {
    background: linear-gradient(145deg, #f0fff4, #e6ffec);
    border-left: 4px solid #00cec9;
}

.future-card:nth-child(3) .card-back {
    background: linear-gradient(145deg, #f5f9ff, #e9f3ff);
    border-left: 4px solid #0984e3;
}

.future-card:nth-child(4) .card-back {
    background: linear-gradient(145deg, #f8f7ff, #f0eeff);
    border-left: 4px solid #6c5ce7;
}

.future-card:nth-child(5) .card-back {
    background: linear-gradient(145deg, #fff9f0, #fff5e6);
    border-left: 4px solid #fdcb6e;
}

.future-card:nth-child(6) .card-back {
    background: linear-gradient(145deg, #f0fff4, #e6ffe9);
    border-left: 4px solid #00b09b;
}

/* 卡片正面样式 */
.card-front {
    padding: 30px;
    text-align: center;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 卡片背面样式 */
.card-back {
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: rotateY(180deg);
}

/* 为每个卡片的背面标题设置对应的颜色 */
.future-card:nth-child(1) .card-back h4 {
    color: #d63031;
    border-bottom-color: #d63031;
}

.future-card:nth-child(2) .card-back h4 {
    color: #00cec9;
    border-bottom-color: #00cec9;
}

.future-card:nth-child(3) .card-back h4 {
    color: #0984e3;
    border-bottom-color: #0984e3;
}

.future-card:nth-child(4) .card-back h4 {
    color: #6c5ce7;
    border-bottom-color: #6c5ce7;
}

.future-card:nth-child(5) .card-back h4 {
    color: #fdcb6e;
    border-bottom-color: #fdcb6e;
}

.future-card:nth-child(6) .card-back h4 {
    color: #00b09b;
    border-bottom-color: #00b09b;
}

/* 卡片背面列表样式 */
.card-back ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.card-back ul li {
    color: #2c3e50;
    margin: 12px 0;
    padding-left: 20px;
    position: relative;
    font-size: 0.95em;
    line-height: 1.4;
}

/* 为每个卡片的列表项箭头设置对应的颜色 */
.future-card:nth-child(1) .card-back ul li::before {
    color: #d63031;
}

.future-card:nth-child(2) .card-back ul li::before {
    color: #00cec9;
}

.future-card:nth-child(3) .card-back ul li::before {
    color: #0984e3;
}

.future-card:nth-child(4) .card-back ul li::before {
    color: #6c5ce7;
}

.future-card:nth-child(5) .card-back ul li::before {
    color: #fdcb6e;
}

.future-card:nth-child(6) .card-back ul li::before {
    color: #00b09b;
}

/* 修改自动翻转动画的时间和延迟 */
@keyframes autoFlip {
    0%, 85% {
        transform: rotateY(0deg);
    }
    90%, 95% {
        transform: rotateY(180deg);
    }
    100% {
        transform: rotateY(0deg);
    }
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 15px;
}

/* 为每个卡片设置不同的动画时间和延迟 */
.future-card:nth-child(1) .card-front,
.future-card:nth-child(1) .card-back {
    animation: autoFlip 12s infinite;
    animation-delay: 0s;
}

.future-card:nth-child(2) .card-front,
.future-card:nth-child(2) .card-back {
    animation: autoFlip 12s infinite;
    animation-delay: 2s;
}

.future-card:nth-child(3) .card-front,
.future-card:nth-child(3) .card-back {
    animation: autoFlip 12s infinite;
    animation-delay: 4s;
}

.future-card:nth-child(4) .card-front,
.future-card:nth-child(4) .card-back {
    animation: autoFlip 12s infinite;
    animation-delay: 6s;
}

.future-card:nth-child(5) .card-front,
.future-card:nth-child(5) .card-back {
    animation: autoFlip 12s infinite;
    animation-delay: 8s;
}

.future-card:nth-child(6) .card-front,
.future-card:nth-child(6) .card-back {
    animation: autoFlip 12s infinite;
    animation-delay: 10s;
}

/* 悬停时暂停动画 */
.future-card:hover .card-front,
.future-card:hover .card-back {
    animation-play-state: paused;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .future-cards {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    
    .future-card {
        height: 300px;
    }
    
    .card-front i {
        font-size: 3em;
    }
    
    .card-front h3 {
        font-size: 1.5rem;
    }
}