/* 重置样式和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 减少绿色，增加粉色点缀 */
    --primary-color: #8B7B9A;        /* 优雅紫灰 */
    --secondary-color: #C8A8BC;      /* 柔和粉紫 */
    --accent-color: #E8B4CB;         /* 淡粉色点缀 */
    --text-primary: #2c3e50;         /* 深灰文字 */
    --text-secondary: #666;          /* 中灰文字 */
    --text-light: #999;              /* 浅灰文字 */
    --background-primary: #ffffff;    /* 主背景 */
    --background-secondary: #fafbfc;  /* 次背景 */
    --background-accent: #f8f6f9;     /* 强调背景 */
    --border-color: #e8e8e8;         /* 边框色 */
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-heavy: rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.nav-logo img {
    margin-top: 5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-dropdown {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 15px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 180px;
    box-shadow: 0 10px 30px var(--shadow-medium);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    border: 1px solid var(--border-color);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--background-accent);
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页英雄区域 */
.hero {
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* background: linear-gradient(135deg, #fafbfc 0%, #f8f6f9 50%, #f5f3f7 100%);*/
    background: url(/images/banner.jpg) no-repeat;
    background-size: cover ;
    
    position: relative;
    overflow: hidden;
    padding-top: 90px;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 2;
    position: relative;
}

.hero-text h1 {
    font-size: 3.9rem;
    font-weight: 600;
    color:#585252;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 2px;
    margin-top:60px;
}

.hero-text p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 8px 25px rgba(139, 123, 154, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(139, 123, 154, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 30px;
    font-size: 14px;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* 倒计时样式 */
.countdown-container {
    background: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.countdown-container h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 30px;
    font-weight: 300;
    letter-spacing: 1px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.countdown-item {
    text-align: center;
    min-width: 80px;
}

.countdown-item span {
    display: block;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-family: 'Georgia', serif;
}

.countdown-item label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 1px;
}

.exhibition-date {
    text-align: center;
    margin-top: 20px;
}

.exhibition-date p {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 1px;
}

/* 背景装饰 */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.decoration-element {
    position: absolute;
    border-radius: 50% 0 50% 0;
    animation: float 8s ease-in-out infinite;
}

.decoration-element-1 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, rgba(139, 123, 154, 0.1), rgba(232, 180, 203, 0.1));
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.decoration-element-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, rgba(200, 168, 188, 0.1), rgba(232, 180, 203, 0.15));
    top: 60%;
    right: 15%;
    animation-delay: 3s;
    transform: rotate(45deg);
}

.decoration-element-3 {
    width: 180px;
    height: 180px;
    background: linear-gradient(45deg, rgba(232, 180, 203, 0.1), rgba(139, 123, 154, 0.1));
    bottom: 20%;
    left: 20%;
    animation-delay: 6s;
    transform: rotate(-30deg);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* 通用区域样式 */
section {
    padding: 100px 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 60px;
    font-weight: 300;
    letter-spacing: 2px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 0;
    text-align: left;
}

.view-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
}

.view-more:hover {
    color: var(--accent-color);
}

/* 展会亮点样式 */
.highlights {
    background: var(--background-primary);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.highlight-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--background-secondary);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.highlight-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow-medium);
    background: var(--background-primary);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.highlight-icon i {
    width: 40px;
    height: 40px;
    stroke-width: 1.5;
    font-size: 28px;
}

.highlight-item h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 500;
}

.highlight-item p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

/* 统计数据样式 */
.statistics {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ffffff;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 1px;
}

/* 新闻预览样式 */
.news-preview {
    background: var(--background-accent);
}

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.news-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-light);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px var(--shadow-medium);
}

.news-item.featured {
    grid-row: span 2;
}

.news-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.news-item.featured .news-image {
    height: 300px;
}

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

.news-item:hover .news-image img {
    transform: scale(1.05);
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--background-accent), #e8e0eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--accent-color);
    font-size: 14px;
    font-weight: 500;
}

.news-item h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 15px 0;
    font-weight: 500;
    line-height: 1.4;
}
.news-item a {
    text-decoration: none;
}

.news-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 14px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--accent-color);
}

/* 展馆亮点样式 */
.venue-highlight {
    background: var(--background-primary);
}

.venue-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.venue-info h2 {
    text-align: left;
    margin-bottom: 25px;
    font-size: 2.2rem;
}

.venue-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 16px;
}





.venue-image {
    height: 400px;
    border-radius: 15px;
    overflow: hidden;
}

.venue-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.venue-placeholder {
    background: linear-gradient(135deg, var(--background-accent), #e8e0eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
    border-radius: 15px;
}

/* 合作伙伴样式 */
.partners {
    background: var(--background-accent);
}

.partners-grid {
    display: flex;
    /* grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); */
    gap: 40px;
    margin-top: 60px;
}

.partner-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-light);
    text-align: center;
}

.partner-category h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-weight: 500;
    font-size: 1.3rem;
}

.partner-logos {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.partner-logo {
    padding: 15px;
    background: var(--background-secondary);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    background: var(--background-accent);
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.hzhb{
    width: 35%;
}
.tqhd{
    width: 60%;
}
.tqhd .partner-logos{
    flex-direction: row;
        flex-wrap: wrap;
}
.tqhd .partner-logo{
    width: 48.5%;
}

/* 页脚样式 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 80px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 500;
    color: var(--secondary-color);
}

.footer-section p {
    color: #bbb;
    line-height: 1.6;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 8px 15px;
    border: 1px solid var(--secondary-color);
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}
.footer-links li:last-child {
    display: none;
}

.footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    color: #bbb;
    margin-bottom: 10px;
    font-size: 14px;
}

.qr-code {
    text-align: center;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: #34495e;
    border-radius: 10px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7f8c8d;
    font-size: 12px;
}
.qr-placeholder img{
    width: 90%;
}

.qr-code p {
    font-size: 14px;
    color: #bbb;
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #7f8c8d;
    font-size: 14px;
    margin-bottom: 5px;
}
.footer-bottom a{
    color: #7f8c8d;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-logo img{
        width: 100%;
    }
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow-light);
        padding: 20px 0;
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--background-accent);
        margin-top: 10px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .countdown {
        gap: 15px;
    }
    
    .countdown-item span {
        font-size: 2rem;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .venue-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .venue-info h2 {
        text-align: center;
    }
    
    .partners-grid {
        flex-direction: column;
    }
    .hzhb{
        width: 100%;
    }
    .tqhd{
        width: 100%;
    }
    .tqhd .partner-logo{
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    section {
        padding: 60px 0;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .section-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .section-header h2 {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .hero-text p {
        font-size: 1.1rem;
    }
    
    .countdown-container {
        padding: 30px 20px;
    }
    
    .countdown {
        gap: 10px;
    }
    
    .countdown-item {
        min-width: 60px;
    }
    
    .countdown-item span {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 平滑过渡动画 */
* {
    transition: all 0.3s ease;
}

/* 加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* 打印样式 */
@media print {
    .navbar,
    .hero-buttons,
    .btn,
    .hamburger {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
}