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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    padding-top: 0; /* 移除顶部padding，让内容从顶部开始 */
    background: white;
    font-weight: 300;
}

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

/* 导航栏样式 - 默认透明背景 */
.navbar {
    background: transparent;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.2s ease;
    border-bottom: none; /* 移除分界线 */
    backdrop-filter: none;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0; /* 进一步降低导航栏高度 */
}

/* Style for the transparent navbar state */
.navbar.navbar-transparent {
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    box-shadow: none;
}

.navbar.navbar-transparent .logo-image {
    /* 移除过滤器，保持原始颜色 */
}

.navbar.navbar-transparent .nav-links a {
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.navbar.navbar-transparent .nav-links a:hover,
.navbar.navbar-transparent .nav-links a.active {
    color: #fff;
}

.navbar.navbar-transparent .nav-links a.active::after {
    background: #fff;
}

/* 针对服务流程页面的透明导航栏样式 */
.navbar.navbar-transparent-dark {
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    box-shadow: none;
}

.navbar.navbar-transparent-dark .logo-image {
    filter: none !important; /* 确保logo显示原始颜色 */
}

.navbar.navbar-transparent-dark .nav-links a {
    color: #333; /* 黑色文字 */
    text-shadow: none;
}

.navbar.navbar-transparent-dark .nav-links a:hover,
.navbar.navbar-transparent-dark .nav-links a.active {
    color: #007AFF;
}

.navbar.navbar-transparent-dark .nav-links a.active::after {
    background: #007AFF;
}

/* Styles for product-config page */
body[data-page="product-config"] .navbar {
    background: #13151a !important; /* Match the config page background */
    box-shadow: none !important;
}

body[data-page="product-config"] .navbar .logo-image {
    /* 移除过滤器，保持原始颜色 */
}

body[data-page="product-config"] .navbar .nav-links a {
    color: #fff;
}

body[data-page="product-config"] .navbar .nav-links a:hover,
body[data-page="product-config"] .navbar .nav-links a.active {
    color: #007AFF;
}

body[data-page="product-config"] .navbar .nav-links a.active::after {
    background: #007AFF;
}

body[data-page="product-config"] {
    padding-top: 0 !important; /* Remove top padding for config page */
    background: #13151a !important; /* Ensure body background matches */
}

/* 改进logo样式 */
.logo {
    display: flex;
    align-items: center;
    padding: 5px 0;
}

.logo-image {
    height: 65px; /* 增大logo高度 */
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
    max-width: 250px;
    border-radius: 4px;
    filter: none !important; /* 强制移除所有过滤器 */
}

/* 确保logo显示原始颜色 */
.logo img.logo-image {
    filter: none !important;
}

/* 针对特定页面的logo样式 */
.navbar .logo .logo-image {
    filter: none !important;
}

/* 强制所有logo图片显示原始颜色 */
img.logo-image {
    filter: none !important;
}

/* 针对所有可能的logo选择器 */
.logo-image,
.navbar .logo-image,
.logo .logo-image,
img[src*="logo"] {
    filter: none !important;
}

/* 特别针对服务流程页面的logo */
.navbar.navbar-transparent-dark .logo-image,
.navbar.navbar-transparent-dark .logo img,
.navbar.navbar-transparent-dark img[src*="logo"] {
    filter: none !important;
}

/* 强制所有导航栏状态下的logo都显示原始颜色 */
.navbar .logo-image,
.navbar .logo img,
.navbar img[src*="logo"],
.navbar.navbar-transparent .logo-image,
.navbar.navbar-transparent .logo img,
.navbar.navbar-transparent img[src*="logo"],
.navbar.navbar-transparent-dark .logo-image,
.navbar.navbar-transparent-dark .logo img,
.navbar.navbar-transparent-dark img[src*="logo"] {
    filter: none !important;
}

.logo-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

/* 导航链接居中显示 */
.nav-links {
    display: flex;
    list-style: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
}

.nav-links li {
    margin: 0 30px; /* 增加间距 */
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500; /* 适中的字重 */
    font-size: 16px; /* 适中的字体 */
    transition: all 0.3s ease;
    padding: 6px 0;
    position: relative;
    letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: #007AFF;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #007AFF;
    border-radius: 1px;
}

.nav-links a:hover {
    color: #007AFF;
    transform: translateY(-1px);
}

/* 主要内容区域 */
.main-content {
    min-height: calc(100vh - 120px); /* 调整视窗高度 */
    background: white;
    margin-top: 0;
}

/* 内容区域 */
.content-section {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

.content-section.active {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 首页横幅样式 - 参考字节跳动风格，单独一页 */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    height: 100vh; /* 占满整个视窗 */
    display: flex;
    align-items: center;
    color: #333;
    text-align: center;
    margin-top: 0;
    padding-top: 0;
    position: relative;
    overflow: hidden;
}

/* 确保首页不显示产品内容 */
#home .product-showcase,
#home .product-column,
#home .product-header,
#home .product-specs,
#home .product-features {
    display: none !important;
}

/* 确保技术页面不显示产品内容 */
[id^="tech-"] .product-showcase,
[id^="tech-"] .product-column,
[id^="tech-"] .product-header,
[id^="tech-"] .product-specs,
[id^="tech-"] .product-features {
    display: none !important;
}

/* 确保新闻页面不显示产品内容 */
#news .product-showcase,
#news .product-column,
#news .product-header,
#news .product-specs,
#news .product-features {
    display: none !important;
}

/* 添加背景装饰元素 */
.hero::before {
    content: '';
    position: absolute;
    top: 15%;
    right: 15%;
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, rgba(0, 122, 255, 0.08), rgba(0, 122, 255, 0.03));
    border-radius: 50%;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 25%;
    left: 10%;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, rgba(0, 122, 255, 0.06), rgba(0, 122, 255, 0.02));
    border-radius: 50%;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.main-title {
    font-size: 5rem; /* 更大的标题字体 */
    font-weight: 300; /* 适中的字重 */
    margin-bottom: 30px; /* 适中的间距 */
    color: #007AFF; /* 蓝色主题色 */
    line-height: 1.1;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-description {
    font-size: 1.8rem; /* 增大描述字体 */
    margin-bottom: 20px; /* 减少间距 */
    color: #333;
    font-weight: 400;
    line-height: 1.5;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-sub-description {
    font-size: 1.3rem; /* 副描述字体 */
    margin-bottom: 50px; /* 增加间距 */
    color: #666;
    font-weight: 300;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

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

/* 产品服务页面样式 */
#products {
    height: 100vh; /* 填满整个页面 */
    background: white;
    display: flex;
    align-items: center;
    padding: 0;
    padding-top: 50px; /* 为导航栏留出空间 */
    box-sizing: border-box;
}

#products .container {
    width: 100%;
    height: 100%;
}

/* 产品英雄页面样式 */
.product-hero {
    height: 100vh;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.product-hero-content {
    max-width: 600px;
    padding: 0 20px;
}

.product-hero-title {
    font-size: 4rem;
    font-weight: 300;
    color: #333;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}

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

.btn-outline {
    background: transparent;
    color: #333;
    border: 2px solid #333;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #333;
    color: white;
}

.btn-primary {
    background: #007AFF;
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

/* 产品配置页面样式 - 复刻小米汽车设计 */
#product-config {
    background: #1a1a1a; /* 深色背景 */
    min-height: 100vh;
    padding-top: 50px;
    color: white;
}

.config-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.config-header {
    text-align: center;
    margin-bottom: 60px;
    padding-top: 60px;
}

.config-title {
    font-size: 3rem;
    font-weight: 300;
    color: white;
    margin-bottom: 10px;
}

.config-subtitle {
    font-size: 1.2rem;
    color: #999;
    font-weight: 300;
}

.config-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0; /* 无间距，完全融为一体 */
    margin-bottom: 60px;
}

.config-column {
    text-align: center;
    padding: 40px 20px;
    background: transparent;
    transition: all 0.3s ease;
    position: relative;
}

.config-column:hover {
    background: rgba(255, 255, 255, 0.05);
}

.config-name {
    font-size: 2rem;
    font-weight: 300;
    color: white;
    margin-bottom: 15px;
}

.config-price {
    font-size: 1.5rem;
    color: #999;
    font-weight: 300;
    margin-bottom: 40px;
}

.config-specs {
    margin-bottom: 40px;
}

.config-spec-item {
    margin-bottom: 30px;
    text-align: center;
}

.config-spec-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    color: white;
    margin-bottom: 8px;
}

.config-spec-label {
    display: block;
    font-size: 1rem;
    color: #999;
    font-weight: 300;
}

.config-features {
    margin-bottom: 50px;
    text-align: left;
}

.config-features ul {
    list-style: none;
    padding: 0;
}

.config-features li {
    padding: 8px 0;
    color: #ccc;
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
    line-height: 1.4;
}

.config-features li:before {
    content: "•";
    color: #007AFF;
    position: absolute;
    left: 0;
    font-size: 1rem;
}

.config-visual {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
}

.config-footer {
    text-align: center;
    padding: 40px 0;
}

.config-footer .btn-primary {
    background: #007AFF;
    color: white;
    padding: 18px 40px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.config-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #999;
    font-size: 0.9rem;
}

.config-links span {
    cursor: pointer;
    transition: color 0.3s ease;
}

.config-links span:hover {
    color: white;
}

/* 标准版 - 长方体 */
.standard-box {
    width: 80px;
    height: 60px;
    background: linear-gradient(135deg, #007AFF, #0056b3);
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.3);
    position: relative;
    transform: rotate(-15deg);
}

.standard-box:before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    width: 20px;
    height: 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
}

/* Mini版 - 圆形 */
.mini-circle {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #28a745, #20c997);
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.3);
    position: relative;
}

.mini-circle:before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    width: 15px;
    height: 15px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
}

/* Ultra版 - 分体设计 */
.ultra-split {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.split-charger {
    width: 60px;
    height: 20px;
    background: linear-gradient(135deg, #6f42c1, #e83e8c);
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(111, 66, 193, 0.3);
}

.split-main {
    width: 50px;
    height: 80px;
    background: linear-gradient(135deg, #fd7e14, #ffc107);
    border-radius: 8px;
    box-shadow: 0 6px 16px rgba(253, 126, 20, 0.3);
}

.split-speaker {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #dc3545, #fd7e14);
    border-radius: 50%;
    box-shadow: 0 6px 16px rgba(220, 53, 69, 0.3);
}

/* 核心技术页面样式 */
.tech-page {
    height: 100vh;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 50px; /* 为导航栏留出空间 */
    box-sizing: border-box;
}

.tech-content {
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.tech-icon-large {
    font-size: 6rem;
    margin-bottom: 30px;
    display: block;
}

.tech-title {
    font-size: 3.5rem;
    font-weight: 300;
    color: #007AFF;
    margin-bottom: 40px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.tech-description {
    font-size: 1.4rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 50px;
    font-weight: 300;
}

/* 新闻动态页面样式 */
#news {
    padding: 80px 0;
    padding-top: 130px; /* 为导航栏留出空间 */
    background: white;
}

/* 通用版块样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

/* 产品部分样式 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e0e0e0;
}

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
}

/* 新闻动态部分样式 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
}

.news-item {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    border: 1px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.12);
}

.news-date {
    color: #007AFF;
    font-weight: bold;
    margin-bottom: 10px;
}

.news-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.news-link {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #007AFF;
    text-decoration: underline;
}

/* 按钮样式 - 参考字节跳动风格 */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, #007AFF, #0056b3);
    color: white;
    padding: 18px 40px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.25);
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 1s ease 1.2s forwards;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 123, 255, 0.35);
    background: linear-gradient(135deg, #0056b3, #004085);
}

.btn:hover::before {
    left: 100%;
}

/* 页脚样式 */
.footer {
    background-color: #13151a;
    color: white;
    padding: 40px 20px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 0;
    min-height: 300px; /* 确保最小高度 */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
    flex-wrap: wrap; /* 允许换行 */
}

.footer-left, .footer-center, .footer-right {
    flex: 1;
    min-width: 250px; /* 设置最小宽度 */
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo-image {
    max-width: 180px;
    height: auto;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-left: 0;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
    text-align: left;
}

.company-name-en {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
    text-align: left;
}

.footer-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.contact-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
    justify-content: center;
}

.contact-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 200px;
    text-align: center;
}

.contact-title {
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.footer-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    gap: 20px;
}

.qr-text {
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.qr-code {
    display: flex;
    justify-content: center;
}

.qr-image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}



@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-left {
        order: 2;
        margin-left: 0;
        align-items: center;
    }
    
    .footer-center {
        order: 1;
        margin-left: 0;
    }
    
    .footer-right {
        order: 3;
    }
    
    .qr-section {
        margin-top: 20px;
    }
    
    .qr-text {
        margin-bottom: 10px;
    }
    
    .contact-sections {
        margin-bottom: 20px;
        align-items: center;
    }
    
    .contact-section {
        text-align: center;
        min-width: auto;
    }
    
    .company-name,
    .company-name-en {
        font-size: 1.2rem;
        text-align: center;
    }
    
    /* 新闻网格响应式 */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        max-width: 100%;
        padding: 0 25px;
    }
}

/* 中等屏幕响应式 - 平板等 */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        max-width: 100%;
        padding: 0 30px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        position: relative;
        padding: 8px 0; /* 降低移动端导航栏高度 */
    }
    
    .nav-links {
        position: static;
        transform: none;
        margin-top: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-links li {
        margin: 0 12px; /* 增加移动端间距 */
    }
    
    .nav-links a {
        font-size: 16px; /* 保持移动端字体大小 */
        padding: 8px 0;
        font-weight: 600; /* 保持加粗 */
    }
    
    .main-title {
        font-size: 3rem; /* 调整移动端标题大小 */
    }
    
    .hero-description {
        font-size: 1.3rem;
    }
    
    .hero-sub-description {
        font-size: 1rem;
    }
    
    .tech-title {
        font-size: 2.5rem;
    }
    
    .tech-description {
        font-size: 1.2rem;
    }
    
    .tech-icon-large {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    body {
        padding-top: 80px; /* 调整移动端导航栏高度 */
    }
    
    .hero {
        height: 100vh; /* 保持全屏 */
    }
    
    .logo-image {
        height: 45px; /* 调整移动端logo大小 */
        max-width: 180px;
    }

    .product-hero-title {
        font-size: 3rem;
    }
    
    .config-showcase {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .config-name {
        font-size: 1.8rem;
    }
    
    .config-price {
        font-size: 1.3rem;
    }
    
    .config-spec-value {
        font-size: 2rem;
    }
    
    .config-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .nav-links li {
        margin: 0 8px;
    }
    
    .nav-links a {
        font-size: 14px;
        padding: 8px 12px;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-sub-description {
        font-size: 0.9rem;
    }
    
    .product-hero-title {
        font-size: 1.8rem;
    }
    
    .config-title {
        font-size: 1.5rem;
    }
    
    .config-name {
        font-size: 1.2rem;
    }
    
    .config-spec-value {
        font-size: 0.9rem;
    }
    
    .config-links {
        flex-direction: column;
        gap: 10px;
    }
    
    /* 新闻网格响应式 */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 100%;
        padding: 0 20px;
    }
    
    .news-item {
        padding: 25px;
    }
    
    .news-item h3 {
        font-size: 1.1rem;
    }
}

/* 移动设备响应式优化 */
@media (max-width: 768px) {
    .footer {
        padding: 30px 15px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 25px;
        align-items: center;
    }
    
    .footer-left, .footer-center, .footer-right {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-left {
        order: 1;
        margin-left: 0;
        margin-bottom: 20px;
    }
    
    .footer-center {
        order: 2;
        margin-left: 0;
        margin-bottom: 20px;
    }
    
    .footer-right {
        order: 3;
        margin-right: 0;
    }
    
    .footer-logo-image {
        max-width: 150px;
        margin-bottom: 15px;
    }
    
    .company-info {
        text-align: center;
        margin-bottom: 0;
    }
    
    .company-name {
        font-size: 1.3rem;
        text-align: center;
        margin-bottom: 5px;
    }
    
    .company-name-en {
        font-size: 1rem;
        text-align: center;
        margin-bottom: 0;
    }
    
    .contact-sections {
        flex-direction: column;
        gap: 25px;
        align-items: center;
        width: 100%;
    }
    
    .contact-section {
        text-align: center;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .contact-title {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .contact-section > div {
        font-size: 0.95rem;
        line-height: 1.5;
        margin-bottom: 3px;
    }
    
    .qr-section {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 15px;
    }
    
    .qr-text {
        text-align: center;
        margin-bottom: 10px;
        font-size: 1.1rem;
    }
    
    .qr-image {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 25px 10px;
    }
    
    .footer-content {
        gap: 20px;
    }
    
    .footer-left {
        margin-bottom: 15px;
    }
    
    .footer-center {
        margin-bottom: 15px;
    }
    
    .footer-logo-image {
        max-width: 130px;
        margin-bottom: 12px;
    }
    
    .company-name {
        font-size: 1.1rem;
    }
    
    .company-name-en {
        font-size: 0.9rem;
    }
    
    .contact-sections {
        gap: 20px;
    }
    
    .contact-section {
        max-width: 280px;
    }
    
    .contact-title {
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    .contact-section > div {
        font-size: 0.9rem;
        margin-bottom: 2px;
    }
    
    .qr-text {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .qr-image {
        width: 100px;
        height: 100px;
    }
    
    .footer-bottom {
        font-size: 0.7rem;
        margin-top: 20px;
        padding-top: 15px;
    }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {
    .footer-content {
        max-width: 1400px;
        gap: 30px;
    }
    
    .footer-left, .footer-center, .footer-right {
        min-width: 300px;
    }
}

/* 中等屏幕适配 */
@media (max-width: 1024px) {
    .footer-content {
        gap: 25px;
        padding: 0 15px;
    }
    
    .footer-left, .footer-center, .footer-right {
        min-width: 200px;
    }
    
    .company-name {
        font-size: 1.4rem;
    }
    
    .company-name-en {
        font-size: 1.1rem;
    }
}

/* 小屏幕设备适配 */
@media (max-width: 600px) {
    .footer {
        padding: 25px 12px;
        min-height: 400px;
    }
    
    .footer-content {
        gap: 22px;
    }
    
    .footer-left, .footer-center, .footer-right {
        margin-bottom: 18px;
    }
    
    .footer-logo-image {
        max-width: 140px;
        margin-bottom: 12px;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .company-name-en {
        font-size: 0.95rem;
    }
    
    .contact-sections {
        gap: 22px;
    }
    
    .contact-section {
        max-width: 290px;
    }
    
    .contact-title {
        font-size: 1.05rem;
        margin-bottom: 7px;
    }
    
    .contact-section > div {
        font-size: 0.92rem;
        margin-bottom: 2px;
    }
    
    .qr-text {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }
    
    .qr-image {
        width: 110px;
        height: 110px;
    }
}

/* 超超小屏幕适配 */
@media (max-width: 360px) {
    .footer {
        padding: 18px 8px;
        min-height: 500px;
    }
    
    .footer-content {
        gap: 18px;
    }
    
    .footer-logo-image {
        max-width: 120px;
        margin-bottom: 10px;
    }
    
    .company-name {
        font-size: 1rem;
    }
    
    .company-name-en {
        font-size: 0.85rem;
    }
    
    .contact-section {
        max-width: 260px;
    }
    
    .contact-title {
        font-size: 0.95rem;
        margin-bottom: 5px;
    }
    
    .contact-section > div {
        font-size: 0.85rem;
        margin-bottom: 1px;
    }
    
    .qr-text {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }
    
    .qr-image {
        width: 90px;
        height: 90px;
    }
    
    .footer-bottom {
        font-size: 0.65rem;
        margin-top: 18px;
        padding-top: 12px;
    }
}