/* 流沙油网站统一CSS样式 - 现代化专业版 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a5fb4;
    --primary-dark: #0d3a7a;
    --primary-light: #4a90e2;
    --secondary-color: #ff6b35;
    --accent-color: #00c9a7;
    --text-dark: #1a1a2e;
    --text-light: #4a4a68;
    --text-muted: #7a7a9a;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, #1a5fb4 0%, #4a90e2 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #ff8f5a 100%);
    --gradient-accent: linear-gradient(135deg, #00c9a7 0%, #00e5c4 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 16px;
}

/* 导航栏样式 - 现代化 */
nav {
    background: var(--gradient-primary);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    color: white;
    font-size: 24px;
    font-weight: bold;
    padding: 15px 0;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 5px;
}

nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 20px 18px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--secondary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 80%;
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Hero Banner区域 */
.hero {
    background: var(--gradient-hero);
    color: white;
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.95;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.hero-feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

/* 页面标题 */
h1 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin: 0 0 20px 0;
    line-height: 1.3;
    color: var(--text-dark);
}

h2 {
    font-size: 28px;
    font-weight: 600;
    margin: 50px 0 25px 0;
    text-align: center;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 12px 0;
    color: var(--text-dark);
}

/* 段落样式 */
p {
    margin: 15px 0;
    text-align: left;
    color: var(--text-light);
}

/* 产品卡片 - 现代化设计 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.product-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 0;
    text-align: left;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
    text-decoration: none;
    display: block;
    color: inherit;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.product-card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 25px;
    position: relative;
}

.product-card-header.secondary {
    background: var(--gradient-secondary);
}

.product-card-header.accent {
    background: var(--gradient-accent);
}

.product-card-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.product-card h3 {
    color: white;
    font-size: 20px;
    margin: 0;
}

.product-card-body {
    padding: 25px;
}

.product-card p {
    font-size: 15px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.8;
}

.product-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* 地区卡片 - 地图风格 */
.region-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.region-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-dark);
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.region-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.region-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.region-card-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.region-card h3 {
    margin: 0 0 10px 0;
    font-size: 22px;
    color: var(--primary-color);
}

.region-card p {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
}

/* 应用场景列表 - 时间线风格 */
.application-list {
    margin: 40px 0;
    position: relative;
}

.application-list::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    border-radius: 3px;
}

.application-item {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 25px;
    margin-left: 70px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.application-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.application-item::before {
    content: attr(data-number);
    position: absolute;
    left: -55px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    box-shadow: var(--shadow);
}

.application-item h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.application-item p {
    margin: 10px 0;
    color: var(--text-light);
}

/* 资讯列表 - 卡片风格 */
.news-list {
    margin: 40px 0;
    display: grid;
    gap: 20px;
}

.news-item {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 25px 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.news-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
    border-left: 4px solid var(--primary-color);
}

.news-number {
    background: var(--gradient-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.news-content h3 {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.news-content p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* 联系方式样式 - 现代化 */
.contact-info {
    text-align: center;
    margin: 40px 0;
    padding: 50px;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.contact-info .phone {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
    text-shadow: 2px 2px 4px rgba(26, 95, 180, 0.1);
}

.contact-info .wechat {
    margin-top: 30px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.contact-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-card-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.contact-card h3 {
    margin-bottom: 10px;
}

.contact-card p {
    text-align: center;
    margin: 0;
    color: var(--text-muted);
}

/* 底部联系方式 - 渐变背景 */
.footer-contact {
    text-align: center;
    padding: 50px 20px;
    background: var(--gradient-dark);
    margin-top: 60px;
    color: white;
}

.footer-contact p {
    font-size: 22px;
    font-weight: 600;
    text-align: center;
    margin: 10px 0;
    color: white;
}

.footer-contact .highlight {
    color: var(--secondary-color);
    font-size: 28px;
}

.footer-contact .phone-link {
    color: var(--secondary-color);
    font-size: 28px;
    text-decoration: none;
}

.footer-contact .phone-link:hover {
    text-decoration: underline;
}

.footer-contact .wechat-img {
    width: 180px;
    height: 180px;
    border-radius: 8px;
    margin: 20px auto;
    border: 3px solid white;
    display: block;
}

/* 热门需求标签 - 现代化 */
.hot-tags {
    text-align: center;
    margin: 40px 0;
    padding: 30px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.hot-tags-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hot-tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.hot-tag {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.hot-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 适配行业 */
.industry-info {
    text-align: center;
    margin: 40px 0;
    padding: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.industry-info p {
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
    margin: 10px 0;
}

.industry-info strong {
    color: white;
    font-size: 18px;
}

/* 备注信息 - 提示框风格 */
.note {
    text-align: center;
    font-size: 15px;
    margin: 40px 0;
    padding: 25px 30px;
    background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
    border-radius: 12px;
    border-left: 4px solid var(--secondary-color);
}

.note p {
    text-align: center;
    margin: 0;
    color: var(--text-dark);
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--gradient-secondary);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-primary {
    background: var(--gradient-primary);
}

.btn-accent {
    background: var(--gradient-accent);
}

/* 特色区域 */
.features-section {
    background: var(--bg-white);
    padding: 60px 0;
    margin: 40px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-box {
    text-align: center;
    padding: 35px 25px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.feature-box h3 {
    margin-bottom: 15px;
}

.feature-box p {
    text-align: center;
    margin: 0;
    color: var(--text-muted);
}

/* 列表样式 */
ul, ol {
    margin: 15px 0 15px 30px;
}

li {
    margin: 8px 0;
    color: var(--text-light);
}

/* 区域介绍卡片 */
.region-intro {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 35px;
    margin: 30px 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.region-intro h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.region-intro p {
    margin: 12px 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .nav-container {
        flex-direction: row;
        padding: 6px 8px;
        flex-wrap: nowrap;
    }
    
    .nav-logo {
        font-size: 13px;
        padding: 6px 0;
        white-space: nowrap;
    }
    
    .nav-links {
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 0;
        flex: 1;
        margin-left: 3px;
    }
    
    nav a {
        padding: 6px 4px;
        font-size: 11px;
        white-space: nowrap;
    }
    
    nav a::after {
        height: 2px;
    }
    
    .hero {
        padding: 50px 20px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .container {
        padding: 25px 15px;
    }
    
    h1 {
        font-size: 26px;
    }
    
    h2 {
        font-size: 22px;
        margin: 35px 0 20px 0;
    }
    
    h3 {
        font-size: 18px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card-header {
        padding: 20px;
    }
    
    .product-card-body {
        padding: 20px;
    }
    
    .region-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .region-card {
        padding: 20px 15px;
    }
    
    .region-card-icon {
        font-size: 36px;
    }
    
    .region-card h3 {
        font-size: 18px;
    }
    
    .application-list::before {
        left: 20px;
    }
    
    .application-item {
        margin-left: 50px;
        padding: 20px;
    }
    
    .application-item::before {
        left: -40px;
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .news-item {
        flex-direction: column;
        padding: 20px;
    }
    
    .contact-info {
        padding: 30px 20px;
    }
    
    .contact-info .phone {
        font-size: 28px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-contact {
        padding: 35px 15px;
    }
    
    .footer-contact p {
        font-size: 18px;
    }
    
    .hot-tags {
        padding: 20px 15px;
    }
    
    .industry-info {
        padding: 25px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .region-intro {
        padding: 25px 20px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-list {
        padding: 25px 20px;
    }
    
    .contact-info {
        padding: 25px 20px;
    }
    
    .contact-info p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }
    
    .region-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info .phone {
        font-size: 24px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* 分隔线 */
.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: 40px 0;
}

/* 详情按钮样式 */
.product-card .detail-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 25px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.product-card .detail-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.product-card .detail-btn.secondary {
    background: var(--gradient-secondary);
}

.product-card .detail-btn.accent {
    background: var(--gradient-accent);
}

/* 产品详情页样式 */
.product-detail {
    padding: 40px 0;
}

.product-detail-header {
    margin-bottom: 50px;
}

.product-detail-header h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 32px;
}

.product-specs {
    margin: 50px 0;
}

.product-specs h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 32px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.spec-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.spec-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.spec-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 22px;
}

.spec-card p {
    margin: 10px 0;
    color: var(--text-light);
    line-height: 1.8;
}

.spec-card p strong {
    color: var(--text-dark);
    font-weight: 600;
}

.spec-tags {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-applications {
    margin: 50px 0;
}

.product-applications h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 32px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.application-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.application-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.application-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
}

.application-card p {
    color: var(--text-muted);
    margin: 0;
}

.product-advantages {
    margin: 50px 0;
}

.product-advantages h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 32px;
}

.advantages-list {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.advantage-item:last-child {
    border-bottom: none;
}

.advantage-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.advantage-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 20px;
}

.advantage-content p {
    color: var(--text-muted);
    margin: 0;
}

.product-contact {
    margin: 50px 0;
}

.product-contact h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 32px;
}

.contact-info {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.contact-info p {
    margin: 20px 0;
    color: var(--text-light);
    font-size: 18px;
    line-height: 1.8;
}

.contact-info p strong {
    color: var(--text-dark);
    font-weight: 600;
}

.contact-note {
    background: linear-gradient(135deg, #fff3cd 0%, #ffe69c 100%);
    border-radius: 12px;
    padding: 25px;
    margin-top: 30px;
    border-left: 4px solid #ffc107;
}

.contact-note p {
    margin: 0;
    color: #856404;
}

.back-link {
    text-align: center;
    margin: 40px 0;
}

.back-link a {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.back-link a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ==================== 资讯列表页样式 ==================== */
.news-list {
    max-width: 1100px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.news-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    flex-shrink: 0;
}

.news-content {
    flex: 1;
}

.news-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 18px;
}

.news-content p {
    color: var(--text-light);
    line-height: 1.6;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    padding: 20px;
}

.pagination a, .pagination span {
    padding: 10px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.pagination a {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .current {
    background: var(--gradient-primary);
    color: white;
}

.pagination .prev, .pagination .next {
    font-weight: 500;
}

.pagination .disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

/* ==================== 资讯详情页样式 ==================== */
.article-container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.article-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--text-muted);
    font-size: 14px;
}

.article-content {
    line-height: 1.8;
    color: var(--text-dark);
}

.article-content h2 {
    color: var(--primary-color);
    margin: 30px 0 15px 0;
    font-size: 22px;
}

.article-content h3 {
    color: var(--text-dark);
    margin: 25px 0 12px 0;
    font-size: 18px;
}

.article-content p {
    margin-bottom: 15px;
}

.article-content ul {
    margin: 15px 0;
    padding-left: 25px;
}

.article-content li {
    margin-bottom: 10px;
}

.highlight-box {
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
    border-left: 4px solid var(--primary-color);
    padding: 20px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.highlight-box h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.article-nav a {
    color: var(--primary-color);
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.article-nav a:hover {
    background: var(--primary-color);
    color: white;
}

.related-articles {
    margin-top: 50px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 12px;
}

.related-articles h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.related-list {
    list-style: none;
    padding: 0;
}

.related-list li {
    margin-bottom: 12px;
}

.related-list a {
    color: var(--text-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.related-list a:hover {
    color: var(--primary-color);
}

.related-list a::before {
    content: "📄";
}

/* 面包屑导航 */
.breadcrumb {
    background: var(--bg-light);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb .separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--primary-color);
    font-weight: 500;
}

/* ==================== 响应式调整 ==================== */
@media (max-width: 768px) {
    .news-item {
        padding: 15px;
        gap: 15px;
    }
    
    .news-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .news-content h3 {
        font-size: 16px;
    }
    
    .news-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .pagination a, .pagination span {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .article-container {
        padding: 25px 20px;
    }
    
    .article-header h1 {
        font-size: 22px;
    }
    
    .article-meta {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .article-nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .breadcrumb .container {
        flex-wrap: wrap;
    }
}
