/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4CAF50;
    --secondary-color: #45a049;
    --accent-color: #2E8B57;
    --blue-green: #20B2AA;
    --light-green: #E8F5E8;
    --gradient-green: linear-gradient(135deg, #4CAF50 0%, #2E8B57 50%, #20B2AA 100%);
    --gradient-green-light: linear-gradient(135deg, #E8F5E8 0%, #F0F8F0 100%);
    
    /* 新增蓝色主题变量 */
    --blue-primary: #2196F3;
    --blue-secondary: #1976D2;
    --blue-accent: #03A9F4;
    --blue-light: #E3F2FD;
    --blue-dark: #0D47A1;
    --gradient-blue: linear-gradient(135deg, #2196F3 0%, #1976D2 50%, #0D47A1 100%);
    --gradient-blue-light: linear-gradient(135deg, #E3F2FD 0%, #F3F9FF 100%);
    --gradient-ocean: linear-gradient(135deg, #2196F3 0%, #20B2AA 50%, #4CAF50 100%);
    --blue-shadow: 0 4px 15px rgba(33, 150, 243, 0.15);
    --blue-shadow-medium: 0 8px 25px rgba(33, 150, 243, 0.25);
    --blue-shadow-heavy: 0 15px 35px rgba(33, 150, 243, 0.35);
    
    /* 更新为大气自然的中性色调 */
    --text-color: #2C3E50;
    --text-light: #718096;
    --light-gray: #FAFBFC;
    --neutral-bg: #F8F9FA;
    --soft-white: #FFFFFF;
    --warm-gray: #F5F7FA;
    --dark-gray: #4A5568;
    --white: #FFFFFF;
    
    /* 更新阴影使用中性色 */
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.15);
    
    /* 保留绿色仅用于图表和连接元素 */
    --chart-green: #4CAF50;
    --accent-green: #2E8B57;
    --link-green: #4CAF50;
    
    --max-width: 1200px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--neutral-bg);
    scroll-behavior: smooth;
}

/* 统一页面水平留白和内容宽度 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

/* 页面元素进入动画 */
section {
    animation: fadeInUp 0.8s ease-out;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    padding: 0 30px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    border-bottom: 1px solid rgba(76, 175, 80, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
    transition: all 0.3s ease;
}

.navbar:hover {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.logo-img {
    height: 100px;
}

.nav-links {
    display: flex;
    gap: 25px;
    margin: 0 auto;
    padding: 0 15px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--warm-gray);
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-links a:hover::before,
.nav-links a.active::before {
    left: 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--link-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* 右侧操作区域 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 语言切换 */
.language-switch {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-right: 15px;
}

.language-switch button {
    padding: 5px 15px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.language-switch button.active {
    color: var(--link-green);
    font-weight: 500;
}

.language-switch .divider {
    width: 1px;
    height: 14px;
    background-color: #ddd;
}

.login-btn {
    background: linear-gradient(135deg, #6C7B7F 0%, #556B6B 100%);
    color: var(--white) !important;
    padding: 10px 28px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #45a049 0%, #2E8B57 50%, #1E7A6B 100%);
    transition: left 0.3s ease;
    z-index: -1;
}

.login-btn:hover::before {
    left: 0;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

/* 主页横幅 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero-content {
    max-width: var(--max-width);
    padding: 0 20px;
}

.hero h1 {
    font-size: 4em;
    margin-bottom: 20px;
}

.slogan {
    font-size: 2em;
    margin-bottom: 10px;
}

.sub-slogan {
    font-size: 1.5em;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 18px 45px;
    background: var(--gradient-green);
    color: var(--white);
    text-decoration: none;
    border-radius: 35px;
    font-size: 1.2em;
    font-weight: 600;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.2) 100%);
    transition: left 0.4s ease;
    z-index: 1;
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-heavy);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 通用部分样式 */
section {
    padding: 80px 20px;
}

section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 50px;
    color: var(--text-color);
}

/* 关于我们 */
.about-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1em;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
}

/* 新增：价值观卡片栅格对齐与统一尺寸 */
.values-grid {
    justify-items: center;
    align-items: stretch;
}

.value-card {
    width: 100%;
    height: 100%;
}

/* 服务项目 */
.services-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 45px 35px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.4s ease;
    border: 1px solid rgba(76, 175, 80, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-green);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.service-card:hover::before {
    opacity: 0.03;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.service-card i {
    font-size: 3.5em;
    background: var(--gradient-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.service-card:hover i {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    margin-bottom: 15px;
}

/* 客户反馈 */
.feedback-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.form-group textarea {
    height: 150px;
}

.submit-btn {
    background: var(--gradient-green);
    color: var(--white);
    padding: 15px 35px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.2) 100%);
    transition: left 0.3s ease;
    z-index: 1;
}

.submit-btn:hover::before {
    left: 0;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

/* 联系我们新样式 */
.contact-section {
    padding: 80px 20px;
    background: #f8f9fa;
}

.contact-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-color);
    font-size: 2.5em;
    font-weight: 600;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    /* background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); */
}

/* 左侧联系信息 */
.contact-left {
    padding: 60px 40px;
    /* background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); */
}

/* 二维码区域 */
.qr-code-section {
    text-align: center;
    margin-bottom: 40px;
}

.qr-code {
    width: 120px;
    height: 120px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.qr-code-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

/* 公司信息 */
.company-info {
    text-align: center;
    margin-bottom: 40px;
}

.company-info h3 {
    font-size: 1.5em;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.company-desc {
    color: #6c757d;
    font-size: 1em;
    margin-bottom: 25px;
    line-height: 1.5;
}

.contact-btn-wrapper {
    margin-top: 20px;
}

.contact-btn {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

/* 联系详情 */
.contact-details {
    space-y: 20px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-detail-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-detail-item i {
    font-size: 1.2em;
    color: var(--primary-color);
    margin-right: 15px;
    width: 20px;
    text-align: center;
}

.detail-content {
    flex: 1;
}

.detail-label {
    color: #6c757d;
    font-size: 0.9em;
}

.detail-value {
    color: #2c3e50;
    font-weight: 500;
}

/* 右侧地图 */
.contact-right {
    position: relative;
    display: flex;
    flex-direction: column;
}

.map-container {
    height: 100%;
    flex: 1;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8fffe 0%, #e8f5e8 50%, #d4edda 100%);
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 地图网格背景 */
.map-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(76, 175, 80, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(76, 175, 80, 0.1) 1px, transparent 1px);
    background-size: 25px 25px;
    opacity: 0.7;
}

/* 模拟主要道路 */
.map-grid::before {
    content: '';
    position: absolute;
    top: 42%;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-radius: 3px;
}

/* 模拟次要道路 */
.map-grid::after {
    content: '';
    position: absolute;
    top: 0;
    left: 58%;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);
    box-shadow: 
        2px 0 6px rgba(0, 0, 0, 0.1),
        inset 1px 0 0 rgba(255, 255, 255, 0.8);
    border-radius: 2px;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.location-marker {
    position: absolute;
    top: 38%;
    left: 52%;
    transform: translate(-50%, -50%);
    animation: markerBounce 2s ease-in-out infinite;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
}

.location-marker:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.location-marker i {
    font-size: 3em;
    color: #4CAF50;
    filter: drop-shadow(0 6px 12px rgba(76, 175, 80, 0.4));
    transition: all 0.3s ease;
}

.location-marker:hover i {
    color: #45a049;
    filter: drop-shadow(0 8px 16px rgba(76, 175, 80, 0.6));
}

/* 位置信息卡片 */
.location-info {
    position: absolute;
    top: 8%;
    left: 8%;
    background: rgba(255, 255, 255, 0.98);
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 15;
    opacity: 0;
    transform: translateY(-15px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    max-width: 280px;
}

.location-marker:hover + .location-info,
.location-info:hover {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.location-name {
    font-weight: 700;
    color: #4CAF50;
    font-size: 1.2em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.location-name::before {
    content: '📍';
    font-size: 1.1em;
}

.location-address {
    color: #2c3e50;
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 12px;
}

/* 地图区域标识 */
.map-areas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
}

.map-area {
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    color: #2c3e50;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(76, 175, 80, 0.2);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    cursor: pointer;
}

.map-area:hover {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-color: rgba(76, 175, 80, 0.4);
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.area-1 {
    top: 18%;
    left: 12%;
    font-size: 0.95em;
    font-weight: 700;
    color: #4CAF50;
}

.area-2 {
    top: 48%;
    left: 22%;
    color: #6c757d;
}

.area-3 {
    top: 72%;
    right: 15%;
    color: #6c757d;
    font-size: 0.8em;
}

/* 标记脉冲效果 */
.marker-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.4) 0%, rgba(76, 175, 80, 0.1) 70%, transparent 100%);
    border-radius: 50%;
    animation: pulse 2.5s ease-in-out infinite;
    z-index: -1;
}

.marker-pulse::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 15px;
    height: 15px;
    background: rgba(76, 175, 80, 0.6);
    border-radius: 50%;
    animation: innerPulse 2.5s ease-in-out infinite 0.5s;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.7;
    }
    100% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
}

@keyframes innerPulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.5;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* 位置操作按钮 */
.location-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.location-btn {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 3px 12px rgba(76, 175, 80, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.location-btn:hover {
    background: linear-gradient(135deg, #45a049 0%, #388e3c 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 6px 20px rgba(76, 175, 80, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.location-btn:active {
    transform: translateY(0) scale(1.02);
    box-shadow: 
        0 2px 8px rgba(76, 175, 80, 0.4),
        inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 地图控制按钮 */
.map-controls {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

.map-btn {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
    border: 2px solid rgba(76, 175, 80, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3em;
    font-weight: 700;
    color: #4CAF50;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.map-btn:hover {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(255, 255, 255, 0.98) 100%);
    border-color: rgba(76, 175, 80, 0.4);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.15),
        0 4px 8px rgba(76, 175, 80, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    color: #45a049;
}

.map-btn:active {
    transform: translateY(0) scale(1.02);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.map-btn.layers {
    font-size: 1.1em;
}

/* 地图比例尺 */
.map-scale {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
    color: #2c3e50;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(76, 175, 80, 0.2);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    z-index: 10;
    transition: all 0.3s ease;
}

.map-scale:hover {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(255, 255, 255, 0.98) 100%);
    border-color: rgba(76, 175, 80, 0.3);
    transform: translateY(-1px);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.scale-line {
    width: 50px;
    height: 2px;
    background: #495057;
    margin-bottom: 3px;
    position: relative;
}

.scale-line::before,
.scale-line::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 6px;
    background: #495057;
    top: -2px;
}

.scale-line::before {
    left: 0;
}

.scale-line::after {
    right: 0;
}

@keyframes markerBounce {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-10px);
    }
}

/* 页脚 */
.footer {
    background: url('../images/footer.png') center center / cover no-repeat;
    color: var(--white);
    padding: 50px 20px 20px;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.footer-logo img {
    height: 80px;

}

.footer-links h4,
.footer-social h4 {
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 10px;
}

.social-icons {
    display: flex;
    gap: 20px;
}

.social-icons a {
    color: var(--white);
    font-size: 1.5em;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

/* 搜索功能 */
.search-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 99;
    display: flex;
    gap: 10px;
}

.search-container input {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    width: 200px;
}

.search-container button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 14px;
    }
}

@media (max-width: 1024px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 20px;
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }

    .nav-actions {
        gap: 10px;
    }

    .language-switch {
        margin-right: 10px;
    }
    
    .login-btn {
        padding: 6px 16px;
        font-size: 13px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    /* 联系我们移动端适配 */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 0;
        margin: 0 10px;
    }
    
    .contact-left {
        padding: 40px 30px;
    }
    
    .qr-code {
        width: 100px;
        height: 100px;
    }
    
    .qr-code i {
        font-size: 50px;
    }
    
    .company-info h3 {
        font-size: 1.3em;
    }
    
    .contact-detail-item {
        padding: 12px;
    }
    
    .map-container {
        height: 100%;
        flex: 1;
    }
    
    .location-info {
        top: 5%;
        left: 5%;
        padding: 10px 15px;
        font-size: 0.9em;
    }
    
    .location-name {
        font-size: 1em;
    }
    
    .location-address {
        font-size: 0.8em;
    }
    
    .map-controls {
        top: 10px;
        right: 10px;
    }
    
    .map-btn {
        width: 35px;
        height: 35px;
        font-size: 1em;
    }
    
    .map-area {
        font-size: 0.7em;
        padding: 3px 8px;
    }
    
    .area-1 {
        font-size: 0.8em;
    }
    
    .map-scale {
        bottom: 10px;
        left: 10px;
        padding: 6px 10px;
        font-size: 0.7em;
    }
    
    .scale-line {
        width: 40px;
    }
    
    .location-actions {
        flex-direction: column;
        gap: 5px;
    }
    
    .location-btn {
        font-size: 0.7em;
        padding: 4px 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .search-container {
        position: static;
        margin: 20px auto;
        max-width: 300px;
    }

    .logo-img {
        height: 60px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2em;
    }
    
    .slogan {
        font-size: 1.2em;
    }
    
    .sub-slogan {
        font-size: 1em;
    }
    
    section h2 {
        font-size: 2em;
    }
}

/* 轮播图 */
.slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: transparent;
}



.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
    color: var(--white);
    padding: 20px;
    max-width: 800px;
    position: relative;
    z-index: 4;
}

/* 幻灯片图片 */
.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    opacity: 0.5;
    transform: scale(1.1);
}

/* 只有当幻灯片激活时才显示图片 */
.slide:not(.active) .slide-image {
    opacity: 0;
}

.slide.active .slide-image {
    opacity: 1;
    transition: opacity 0.8s ease-in-out;
}

/* 确保第4个幻灯片的图片能够显示 */
.slide:nth-child(4) .slide-image {
    z-index: 3;
}

/* 第1个幻灯片 - carousel-3.png */
.slide:nth-child(1) .slide-image {
    z-index: 3;
}

.slide:nth-child(1).active .slide-bg-image {
    opacity: 1;
    transform: scale(0.9);
    filter: none;
    object-fit: contain;
    object-position: center center;
}

/* 视频轮播样式 */
.video-slide {
    background: transparent !important;
    position: relative;
}

.video-slide .video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.video-slide video {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.video-slide .slide-content {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    padding: 20px 25px;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    max-width: 350px;
    text-align: left;
}

.video-slide .slide-title {
    color: white !important;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    font-size: 1.8em !important;
    margin-bottom: 8px !important;
    line-height: 1.2;
}

.video-slide .slide-description {
    color: white !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    font-size: 0.9em !important;
    margin-bottom: 15px !important;
    opacity: 0.9;
    line-height: 1.4;
}

.video-slide .cta-button {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.8);
    color: white !important;
    backdrop-filter: blur(10px);
    padding: 8px 16px !important;
    font-size: 0.85em !important;
    border-radius: 20px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.video-slide .cta-button:hover {
    background: rgba(255, 255, 255, 0.9);
    color: #333 !important;
    border-color: white;
    transform: translateY(-1px);
}

/* 视频点击提示 */
.video-slide video {
    cursor: pointer;
}

.video-slide video:hover {
    opacity: 0.9;
}

/* 视频播放进度指示器 - 隐藏但保留元素 */
.video-progress-indicator {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.75em;
    backdrop-filter: blur(5px);
    z-index: 15;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

/* 保持隐藏状态 */
.video-slide.active .video-progress-indicator {
    opacity: 0;
    visibility: hidden;
}

/* 移动端视频内容调整 */
@media (max-width: 768px) {
    .video-slide .slide-content {
        bottom: 50px;
        right: 20px;
        left: 20px;
        max-width: none;
        padding: 15px 20px;
    }
    
    .video-slide .slide-title {
        font-size: 1.4em !important;
        margin-bottom: 6px !important;
    }
    
    .video-slide .slide-description {
        font-size: 0.8em !important;
        margin-bottom: 12px !important;
    }
    
    .video-slide .cta-button {
        padding: 6px 12px !important;
        font-size: 0.8em !important;
    }
    
    .video-progress-indicator {
        bottom: 30px;
        font-size: 0.7em;
        padding: 4px 10px;
        opacity: 0 !important;
        visibility: hidden !important;
    }
}

/* 装饰元素过渡效果 */
.animation-layer,
.cloud,
.bubble,
.animated-mouse {
    transition: opacity 0.5s ease;
}

/* 视频播放时隐藏装饰元素 */
.video-slide.active ~ .animation-layer {
    opacity: 0 !important;
    pointer-events: none;
}

/* 当视频幻灯片激活时隐藏动画层 */
.slider:has(.video-slide.active) .animation-layer {
    opacity: 0 !important;
    pointer-events: none;
}

.slider:has(.video-slide.active) .cloud {
    opacity: 0 !important;
}

.slider:has(.video-slide.active) .bubble {
    opacity: 0 !important;
}

.slider:has(.video-slide.active) .animated-mouse {
    opacity: 0 !important;
}

/* 视频导航点特殊样式 */
.video-dot {
    background: #ff6b6b !important;
    box-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
}

.video-dot.active {
    background: #ff4757 !important;
    transform: scale(1.3);
}



/* 确保所有幻灯片图片都能正确显示 */
.slide-image {
    display: block;
    visibility: visible;
}

.slide-bg-image {
    display: block;
    visibility: visible;
}

/* 移除slide的遮罩层，因为不再使用背景图片 */

.slide-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out 0.3s;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.slide-description {
    font-size: 1.5em;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out 0.5s;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.slide.active .slide-title,
.slide.active .slide-description {
    opacity: 1;
    transform: translateY(0);
}

.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

@media (max-width: 768px) {
    .slide-title {
        font-size: 2.5em;
    }
    
    .slide-description {
        font-size: 1.2em;
    }
    
    .slider-arrows {
        padding: 0 15px;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
    }
    
    .slide-bg-image {
        opacity: 0.3;
        transform: scale(1.3);
    }
    
    .slide:nth-child(1).active .slide-bg-image {
        opacity: 1;
        transform: scale(0.8);
        filter: none;
        object-fit: contain;
        object-position: center center;
    }
    
    .video-slide .slide-content {
        padding: 20px !important;
        margin: 20px;
    }
    
    .video-slide video {
        object-fit: cover;
    }
}

/* 核心技术 */
.technology-section {
    background: var(--light-gray);
    padding: 80px 20px;
}

.tech-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.tech-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.4s ease;
    border: 1px solid rgba(76, 175, 80, 0.08);
    position: relative;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--warm-gray);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.tech-card:hover::before {
    opacity: 1;
}

.tech-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.tech-card img {
    width: 100%;
    height: 282px;
    object-fit: cover;
}

.tech-card h3 {
    padding: 20px 20px 10px;
    color: var(--text-color);
    font-size: 1.5em;
}

.tech-card p {
    padding: 0 20px;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.tech-features {
    list-style: none;
    padding: 0 20px 20px;
}

.tech-features li {
    padding: 5px 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: 20px;
}

.tech-features li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-size: 1.2em;
}

/* 应用案例 */
.cases-section {
    padding: 80px 20px;
}

.cases-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: var(--white);
}

.case-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover img {
    transform: scale(1.05);
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    color: var(--text-color);
    margin-bottom: 10px;
    font-size: 1.3em;
}

.case-content p {
    color: var(--dark-gray);
    line-height: 1.6;
}

.case-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.case-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.case-metric strong {
    color: #4CAF50;
    font-weight: 600;
}

/* 研发实力 */
.research-section {
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}



.research-section h2 {
    color: var(--text-color) !important;
    text-shadow: none;
}

.research-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.research-text h3 {
    color: var(--text-color);
    margin: 25px 0 15px;
    font-size: 1.5em;
    text-shadow: none;
}

.research-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 1.1em;
}

.research-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .research-content {
        grid-template-columns: 1fr;
    }
    
    .tech-card,
    .case-card {
        margin: 0 auto;
        max-width: 400px;
    }
    
    .research-text {
        order: 2;
    }
    
    .research-image {
        order: 1;
    }
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .slide-title {
        font-size: 1.8em !important;
        margin-bottom: 15px;
        text-decoration: none !important;
        border-bottom: none !important;
    }

    .slide-description {
        font-size: 1rem !important;
        margin: 10px 0;
        padding: 0 15px;
    }

    .cta-button {
        padding: 10px 25px !important;
        font-size: 1rem !important;
    }

    .tech-grid, 
    .cases-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
        padding: 10px;
    }

    .about-content, 
    .research-content {
        flex-direction: column !important;
        padding: 15px;
        grid-template-columns: 1fr !important;
    }

    .about-text, 
    .research-text {
        width: 100% !important;
        margin-bottom: 20px;
    }

    .about-image, 
    .research-image {
        width: 100% !important;
    }

    section {
        padding: 40px 15px !important;
    }

    h2 {
        font-size: 1.8em !important;
        margin-bottom: 25px;
        text-decoration: none !important;
        border-bottom: none !important;
    }

    h3 {
        font-size: 1.4em !important;
        margin-bottom: 15px;
        text-decoration: none !important;
        border-bottom: none !important;
    }

    .slide {
        height: 100vh !important;
    }

    .slide-content {
        width: 100% !important;
        padding: 0 20px !important;
    }
}

/* 确保所有标题没有下划线 */
.slide-title::after,
h1::after,
h2::after,
h3::after,
h4::after,
h5::after,
h6::after {
    display: none !important;
}

/* 标题全局样式 */
h1, h2, h3, h4, h5, h6, .slide-title {
    text-decoration: none !important;
    border-bottom: none !important;
    position: relative;
}

h2 {
    font-size: 2.5em;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-color);
}

.slide-title {
    font-size: 3em;
    color: var(--white);
    margin-bottom: 20px;
    font-weight: bold;
}

/* 下拉菜单样式 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-toggle:hover,
.nav-dropdown:hover .dropdown-toggle {
    color: var(--primary-color);
}

.dropdown-toggle i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 8px 0;
    margin-top: 10px;
}

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

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

.dropdown-menu a:hover {
    background: var(--light-gray);
    color: var(--primary-color);
    padding-left: 25px;
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

/* 下拉菜单箭头 */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--white);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-dropdown {
        width: 100%;
        text-align: center;
    }
    
    .dropdown-toggle {
        width: 100%;
        text-align: center;
        justify-content: center;
        padding: 15px 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-gray);
        margin: 0;
        border-radius: 8px;
        display: none;
        width: 100%;
        text-align: center;
    }
    
    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown-menu a {
        display: block;
        padding: 12px 20px;
        font-size: 14px;
        text-align: center;
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .dropdown-menu a:last-child {
        border-bottom: none;
    }
    
    .dropdown-menu a:hover {
        background: rgba(72, 187, 120, 0.1);
        padding-left: 20px;
        padding-right: 20px;
    }
    
    /* 确保移动端导航链接居中对齐 */
    .nav-links {
        text-align: center;
    }
    
    .nav-links > a {
        width: 100%;
        text-align: center;
        padding: 15px 0;
        display: block;
    }
}

/* 产品页面样式 */
.product-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.product-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.product-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.product-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
}

.product-features {
    padding: 80px 0;
    background: var(--white);
}

.product-features h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.product-applications {
    padding: 80px 0;
    background: var(--light-gray);
}

.product-applications h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--text-color);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.application-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.application-item:hover {
    transform: translateX(5px);
}

.application-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.application-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.product-contact {
    padding: 80px 0;
    background: var(--white);
    text-align: center;
}

.product-contact h2 {
    margin-bottom: 20px;
    font-size: 2.5rem;
    color: var(--text-color);
}

.product-contact p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

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

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

.cta-button.secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* 购买页面样式 */
.purchase-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.purchase-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.purchase-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.product-catalog {
    padding: 80px 0;
    background: var(--white);
}

.product-catalog h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--text-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.product-item {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-image {
    margin-bottom: 20px;
}

.product-image i {
    font-size: 4rem;
    color: var(--primary-color);
}

.product-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.product-desc {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.inquiry-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

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

/* 询价表单样式 */
.inquiry-form-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.inquiry-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.inquiry-form-container h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-color);
    font-size: 2rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input[readonly] {
    background: var(--light-gray);
    color: var(--text-light);
}

.form-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.cancel-btn,
.submit-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cancel-btn {
    background: #f8f9fa;
    color: var(--text-color);
    border: 1px solid #ddd;
}

.cancel-btn:hover {
    background: #e9ecef;
}

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

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

.purchase-contact {
    padding: 80px 20px;
    background: linear-gradient(135deg, #f8fffe 0%, #e8f5f3 100%);
    position: relative;
}

.purchase-contact::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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%234CAF50" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.purchase-contact h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--text-color);
    position: relative;
    z-index: 2;
}

.contact-info {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    position: relative;
    z-index: 2;
}

.contact-item {
    background: white;
    padding: 35px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(72, 187, 120, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item i {
    font-size: 3rem;
    color: #4CAF50;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.contact-item:hover i {
    transform: scale(1.1);
    color: #45a049;
}

.contact-item h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 15px;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.contact-item p {
    font-size: 1.1rem;
    color: #666;
    margin: 0 0 10px 0;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

.contact-action {
    font-size: 0.9rem;
    color: #4CAF50;
    font-weight: 600;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.contact-item:hover .contact-action {
    opacity: 1;
    transform: translateY(0);
}

/* 可点击的联系项目样式 */
.contact-item[onclick] {
    cursor: pointer;
}

.contact-item[onclick]:hover {
    transform: translateY(-10px) scale(1.02);
}

/* 特殊样式为不同的联系方式 */
.contact-item:nth-child(1) {
    border-top: 4px solid #4CAF50;
}

.contact-item:nth-child(2) {
    border-top: 4px solid #2196F3;
}

.contact-item:nth-child(2) i {
    color: #2196F3;
}

.contact-item:nth-child(2):hover i {
    color: #1976D2;
}

.contact-item:nth-child(3) {
    border-top: 4px solid #FF9800;
}

.contact-item:nth-child(3) i {
    color: #FF9800;
}

.contact-item:nth-child(3):hover i {
    color: #F57C00;
}

.contact-item:nth-child(4) {
    border-top: 4px solid #9C27B0;
}

.contact-item:nth-child(4) i {
    color: #9C27B0;
}

.contact-item:nth-child(4):hover i {
    color: #7B1FA2;
}

/* 添加动画效果 */
@keyframes contactItemFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-item {
    animation: contactItemFadeIn 0.6s ease-out forwards;
}

.contact-item:nth-child(1) {
    animation-delay: 0.1s;
}

.contact-item:nth-child(2) {
    animation-delay: 0.2s;
}

.contact-item:nth-child(3) {
    animation-delay: 0.3s;
}

.contact-item:nth-child(4) {
    animation-delay: 0.4s;
}



/* 响应式调整 */
@media (max-width: 768px) {
    .product-hero-content h1,
    .purchase-hero-content h1 {
        font-size: 2.5rem;
    }
    
    .features-grid,
    .applications-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .form-buttons {
        flex-direction: column;
    }
    
    .cancel-btn,
    .submit-btn {
        width: 100%;
    }
    
    /* 购买页面联系我们响应式 */
    .purchase-contact {
        padding: 60px 15px;
    }
    
    .purchase-contact h2 {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-item {
        padding: 30px 20px;
        border-radius: 15px;
    }
    
    .contact-item i {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .contact-item h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .contact-item p {
        font-size: 1rem;
    }
}

/* 中等屏幕响应式 */
@media (max-width: 1024px) {
    .contact-info {
        max-width: 1000px;
        gap: 20px;
    }
    
    .contact-item {
        padding: 30px 15px;
    }
    
    .contact-item i {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .purchase-contact {
        padding: 40px 10px;
    }
    
    .purchase-contact h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-item {
        padding: 25px 15px;
    }
    
    .contact-item i {
        font-size: 2rem;
    }
    
    .contact-item h3 {
        font-size: 1.1rem;
    }
    
    .contact-item p {
        font-size: 0.95rem;
    }
}

/* 视频页面样式 */
.video-categories {
    padding: 40px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.video-nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.videos-grid-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.video-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(72, 187, 120, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    transition: all 0.3s ease;
}

.video-card:hover .play-button {
    background: rgba(72, 187, 120, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    margin: 0 0 10px 0;
    color: #2d3748;
    font-size: 18px;
    line-height: 1.4;
}

.video-info p {
    color: #718096;
    font-size: 14px;
    line-height: 1.5;
    margin: 0 0 15px 0;
}

.video-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: #a0aec0;
}

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.video-modal-content {
    position: relative;
    margin: 5% auto;
    width: 90%;
    max-width: 800px;
}

.video-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 新闻页面样式 */
.news-categories {
    padding: 40px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.news-nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.featured-news {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.featured-news h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #2d3748;
    font-size: 32px;
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.featured-image {
    height: 300px;
    overflow: hidden;
}

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

.featured-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-category {
    display: inline-block;
    background:transparent;
    /* background: linear-gradient(135deg, #48bb78, #38a169);
    color: white; */
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.featured-content h3 {
    color: #2d3748;
    font-size: 24px;
    line-height: 1.4;
    margin: 0 0 15px 0;
}

.featured-content p {
    color: #718096;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #a0aec0;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.read-more-btn {
    display: inline-block;
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.read-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.4);
}

.news-list-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-list-section h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #2d3748;
    font-size: 32px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

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

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

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

.news-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.news-content {
    padding: 20px;
}

.news-content h3 {
    color: #2d3748;
    font-size: 18px;
    line-height: 1.4;
    margin: 0 0 10px 0;
}

.news-content p {
    color: #718096;
    font-size: 14px;
    line-height: 1.5;
    margin: 0 0 15px 0;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #a0aec0;
}

.load-more-section {
    text-align: center;
    margin-top: 50px;
}

.load-more-btn {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.4);
}

.related-links {
    padding: 60px 20px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.related-links h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #2d3748;
    font-size: 32px;
}

.links-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.link-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.link-card i {
    font-size: 48px;
    color: #48bb78;
    margin-bottom: 20px;
}

.link-card h3 {
    color: #2d3748;
    margin: 0 0 15px 0;
    font-size: 20px;
}

.link-card p {
    color: #718096;
    margin: 0 0 20px 0;
    line-height: 1.5;
}

.link-btn {
    display: inline-block;
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.link-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.4);
}

/* 分类按钮样式 */
.category-btn {
    background: white;
    border: 2px solid #e2e8f0;
    color: #4a5568;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-color: #48bb78;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.3);
}

/* 轮播图动画效果 */
.animation-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

/* 动态鼠标效果 */
.animated-mouse {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: mouseFloat 2s ease-in-out infinite;
}

.mouse-body {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.mouse-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: wheelScroll 2s ease-in-out infinite;
}

.mouse-scroll-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    margin-top: 10px;
    text-align: center;
    animation: textFade 2s ease-in-out infinite;
}

/* 飘动的云朵 */
.floating-clouds {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.cloud {
    position: absolute;
    font-size: 120px;
    opacity: 0.4;
    animation: cloudFloat 20s linear infinite;
}

.cloud-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
    animation-duration: 25s;
    font-size: 140px;
}

.cloud-2 {
    top: 20%;
    left: -15%;
    animation-delay: -5s;
    animation-duration: 30s;
    font-size: 100px;
}

.cloud-3 {
    top: 35%;
    left: -12%;
    animation-delay: -10s;
    animation-duration: 22s;
    font-size: 130px;
}

.cloud-4 {
    top: 15%;
    left: -8%;
    animation-delay: -15s;
    animation-duration: 28s;
    font-size: 90px;
}

.cloud-5 {
    top: 40%;
    left: -18%;
    animation-delay: -20s;
    animation-duration: 26s;
    font-size: 110px;
}

/* 气泡动画 */
.floating-bubbles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.bubble {
    position: absolute;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: bubbleFloat 15s linear infinite;
    backdrop-filter: blur(5px);
}

.bubble-1 {
    width: 20px;
    height: 20px;
    left: 10%;
    bottom: -50px;
    animation-delay: 0s;
    animation-duration: 12s;
}

.bubble-2 {
    width: 30px;
    height: 30px;
    left: 20%;
    bottom: -50px;
    animation-delay: -2s;
    animation-duration: 15s;
}

.bubble-3 {
    width: 15px;
    height: 15px;
    left: 35%;
    bottom: -50px;
    animation-delay: -4s;
    animation-duration: 10s;
}

.bubble-4 {
    width: 25px;
    height: 25px;
    left: 50%;
    bottom: -50px;
    animation-delay: -6s;
    animation-duration: 13s;
}

.bubble-5 {
    width: 18px;
    height: 18px;
    left: 65%;
    bottom: -50px;
    animation-delay: -8s;
    animation-duration: 11s;
}

.bubble-6 {
    width: 22px;
    height: 22px;
    left: 80%;
    bottom: -50px;
    animation-delay: -10s;
    animation-duration: 14s;
}

.bubble-7 {
    width: 28px;
    height: 28px;
    left: 90%;
    bottom: -50px;
    animation-delay: -12s;
    animation-duration: 16s;
}

.bubble-8 {
    width: 16px;
    height: 16px;
    left: 75%;
    bottom: -50px;
    animation-delay: -14s;
    animation-duration: 9s;
}

/* 动画关键帧 */
@keyframes mouseFloat {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes wheelScroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes textFade {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 0.4;
    }
}

@keyframes cloudFloat {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(100vw + 200px));
    }
}

@keyframes bubbleFloat {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) translateX(50px) rotate(360deg);
        opacity: 0;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .videos-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-article {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        height: 250px;
    }
    
    .featured-content {
        padding: 30px 20px;
    }
    
    .video-nav,
    .news-nav {
        gap: 10px;
    }
    
    .category-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    /* 移动端动画调整 */
    .cloud {
        font-size: 60px;
    }
    
    .animated-mouse {
        bottom: 30px;
    }
    
    .mouse-body {
        width: 20px;
        height: 32px;
    }
    
    .mouse-scroll-text {
        font-size: 10px;
    }
    
    .bubble {
        transform: scale(0.7);
    }
    


}

/* 新闻筛选功能样式 */
.news-card {
    transition: all 0.3s ease-in-out;
    transform: translateY(0);
}

.news-card.filtering {
    transform: translateY(10px);
    opacity: 0.5;
}

.news-card.filtered-out {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.news-card.filtered-in {
    opacity: 1;
    transform: translateY(0);
}

/* 分类按钮激活状态动画 */
.category-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.4s ease;
    transform: translate(-50%, -50%);
}

.category-btn:hover::before,
.category-btn.active::before {
    width: 200%;
    height: 200%;
}

.category-btn.active {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

/* 特色文章筛选动画 */
.featured-news {
    transition: all 0.4s ease-in-out;
}

.featured-news.hidden {
    opacity: 0;
    transform: translateY(-20px);
    max-height: 0;
    overflow: hidden;
    margin-bottom: 0;
}

/* 新闻网格动画 */
.news-grid {
    position: relative;
}

.news-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(76, 175, 80, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.news-grid.filtering::before {
    opacity: 1;
}

/* 文章计数器样式 */
.article-count {
    text-align: center;
    color: #718096;
    font-size: 14px;
    margin: 20px 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.article-count.show {
    opacity: 1;
}

/* 加载状态样式 */
.load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.load-more-btn.loading {
    position: relative;
}

.load-more-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: buttonSpin 1s linear infinite;
}

@keyframes buttonSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 筛选结果为空时的样式 */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: #718096;
}

.no-results i {
    font-size: 48px;
    color: #E2E8F0;
    margin-bottom: 20px;
}

.no-results h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #4A5568;
}

.no-results p {
    font-size: 14px;
    line-height: 1.6;
}

/* 新闻卡片悬浮效果增强 */
.news-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.news-card:hover .news-tag {
    transform: scale(1.05);
}

/* 平滑滚动增强 */
html {
    scroll-behavior: smooth;
}

/* 新闻标签动画 */
.news-tag {
    transition: all 0.3s ease;
    animation: tagPulse 2s ease-in-out infinite;
}

@keyframes tagPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4);
    }
    50% {
        box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.1);
    }
}

/* 响应式新闻筛选 */
@media (max-width: 768px) {
    .category-btn {
        padding: 8px 16px;
        font-size: 12px;
        margin: 4px;
    }
    
    .news-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .article-count {
        font-size: 12px;
        margin: 15px 0;
    }
    
    .no-results {
        padding: 40px 15px;
    }
    
    .no-results i {
        font-size: 36px;
    }
    
    .no-results h3 {
        font-size: 16px;
    }
}

/* ========== 蓝色主题产品页面增强样式 ========== */

/* 产品英雄区域蓝色增强 */
.product-hero.blue-theme {
    background: var(--gradient-ocean);
    color: var(--white);
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.product-hero.blue-theme::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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.product-hero.blue-theme .product-hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.product-hero.blue-theme h1 {
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    margin-bottom: 20px;
}

.product-hero.blue-theme .product-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1.3em;
    margin-bottom: 15px;
}

.product-hero.blue-theme .product-description {
    color: rgba(255,255,255,0.8);
    font-size: 1.1em;
    max-width: 600px;
    margin: 0 auto;
}

/* 蓝色特性卡片 */
.feature-card.blue-theme {
    background: var(--white);
    border: 2px solid var(--blue-light);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card.blue-theme::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-blue-light);
    transition: left 0.4s ease;
    z-index: -1;
}

.feature-card.blue-theme:hover::before {
    left: 0;
}

.feature-card.blue-theme:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--blue-shadow-heavy);
    border-color: var(--blue-primary);
}

.feature-card.blue-theme i {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3em;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.feature-card.blue-theme:hover i {
    transform: scale(1.1) rotate(-5deg);
}

.feature-card.blue-theme h3 {
    color: var(--blue-dark);
    font-weight: 600;
    margin-bottom: 15px;
}

.feature-card.blue-theme p {
    color: var(--text-color);
}

/* 蓝色应用领域卡片 */
.application-item.blue-theme {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 15px;
    border-left: 5px solid var(--blue-primary);
    box-shadow: var(--blue-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.application-item.blue-theme::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--blue-light) 0%, transparent 70%);
    transform: translate(30px, -30px);
    transition: all 0.3s ease;
}

.application-item.blue-theme:hover {
    transform: translateX(10px);
    box-shadow: var(--blue-shadow-medium);
    border-left-color: var(--blue-accent);
}

.application-item.blue-theme:hover::before {
    background: radial-gradient(circle, var(--blue-accent) 0%, transparent 70%);
    transform: translate(20px, -20px);
}

.application-item.blue-theme h3 {
    color: var(--blue-dark);
    font-weight: 600;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.application-item.blue-theme p {
    color: var(--text-light);
    position: relative;
    z-index: 2;
}

/* 蓝色按钮样式 */
.cta-button.blue-theme {
    background: var(--gradient-blue);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: var(--blue-shadow);
    position: relative;
    overflow: hidden;
}

.cta-button.blue-theme::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--blue-accent) 0%, var(--blue-secondary) 100%);
    transition: left 0.3s ease;
    z-index: -1;
}

.cta-button.blue-theme:hover::before {
    left: 0;
}

.cta-button.blue-theme:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--blue-shadow-heavy);
}

.cta-button.blue-theme.secondary {
    background: var(--white);
    color: var(--blue-primary);
    border: 2px solid var(--blue-primary);
}

.cta-button.blue-theme.secondary::before {
    background: var(--blue-primary);
}

.cta-button.blue-theme.secondary:hover {
    color: var(--white);
}

/* 产品信息悬浮卡片 */
.product-info-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--white);
    padding: 20px;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    border: 2px solid var(--light-green);
    max-width: 300px;
    z-index: 50;
    transform: translateX(calc(100% + 50px));
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
}

.product-info-float.show {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.product-info-float .info-icon {
    color: var(--primary-color);
    font-size: 1.5em;
    margin-bottom: 10px;
}

.product-info-float h4 {
    color: var(--accent-color);
    margin-bottom: 8px;
    font-size: 1.1em;
}

.product-info-float p {
    color: var(--text-light);
    font-size: 0.9em;
    margin-bottom: 15px;
}

.product-info-float .close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.2em;
}

.product-info-float .element-image {
    width: 245px;
    height: 155px;
    margin: 0 auto 15px;
    display: block;
    opacity: 0.8;
}

/* 产品特色背景动画 */
.blue-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: var(--blue-primary);
    border-radius: 50%;
    opacity: 0.1;
    animation: particleFloat 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    width: 6px;
    height: 6px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 8px;
    height: 8px;
    top: 50%;
    left: 80%;
    animation-delay: 1s;
}

.particle:nth-child(3) {
    width: 4px;
    height: 4px;
    top: 80%;
    left: 30%;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    width: 10px;
    height: 10px;
    top: 30%;
    left: 70%;
    animation-delay: 3s;
}

.particle:nth-child(5) {
    width: 5px;
    height: 5px;
    top: 70%;
    left: 15%;
    animation-delay: 4s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.3;
    }
}

/* 产品规格表格蓝色主题 */
.product-specs-table {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--blue-shadow);
    border: 1px solid var(--blue-light);
    margin: 40px 0;
}

.product-specs-table thead {
    background: var(--gradient-blue);
    color: var(--white);
}

.product-specs-table th,
.product-specs-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--blue-light);
}

.product-specs-table tbody tr:hover {
    background: var(--blue-light);
    transition: background 0.3s ease;
}

.product-specs-table tbody tr:last-child td {
    border-bottom: none;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .product-hero.blue-theme {
        padding: 100px 20px 60px;
    }
    
    .product-hero.blue-theme h1 {
        font-size: 2.5em;
    }
    
    .product-info-float {
        bottom: 20px;
        right: 20px;
        max-width: 250px;
        transform: translateX(calc(100% + 30px));
    }
    
    .product-info-float.show {
        transform: translateX(0);
    }
    
    .product-info-float .element-image {
        width: 150px;
        height: 95px;
    }
    
    .feature-card.blue-theme,
    .application-item.blue-theme {
        margin-bottom: 20px;
    }
}

/* 返回顶部按钮 */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    background: linear-gradient(135deg, #45a049, #4CAF50);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.back-to-top-btn:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .back-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
}

/* 现代化装饰效果 */
/* 页面装饰性背景元素 */
.page-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -10;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-green);
    opacity: 0.03;
    animation: floatShape 20s infinite linear;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: -75px;
    animation-delay: -5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    top: 80%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes floatShape {
    0% {
        transform: translateX(-100px) rotate(0deg);
    }
    100% {
        transform: translateX(calc(100vw + 100px)) rotate(360deg);
    }
}