/* ==========================================================================
   基础重置和变量定义
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色变量 */
    --primary-color: #FF6B35;
    --primary-hover: #E85A2B;
    --secondary-color: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-dark: #2C3E50;
    --border-color: #E6E6E6;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* 字体变量 */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    
    /* 间距变量 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* 断点变量 */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ==========================================================================
   通用组件
   ========================================================================== */

/* 按钮组件 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: 6px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   导航栏
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ==========================================================================
   Hero区域
   ========================================================================== */

.hero {
    padding: 120px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::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="%23ff6b35" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    z-index: 1;
}

.hero-bg {
    position: relative;
    z-index: 2;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-heavy);
}

/* ==========================================================================
   核心优势区域
   ========================================================================== */

.advantages {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.advantage-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

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

.advantage-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* ==========================================================================
   服务概览区域
   ========================================================================== */

.services-overview {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.service-content {
    padding: var(--spacing-lg);
}

.service-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: var(--primary-hover);
    transform: translateX(4px);
}

/* ==========================================================================
   新闻动态区域
   ========================================================================== */

.news-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.news-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.view-all:hover {
    color: var(--primary-hover);
    transform: translateX(4px);
}

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

.news-card {
    background-color: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.news-image {
    width: 100%;
    height: 180px;
    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-content {
    padding: var(--spacing-lg);
}

.news-date {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.news-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   联系CTA区域
   ========================================================================== */

.contact-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-cta .btn-primary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--secondary-color);
}

.contact-cta .btn-primary:hover {
    background-color: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.contact-cta .btn-outline {
    background-color: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.contact-cta .btn-outline:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

/* ==========================================================================
   页脚
   ========================================================================== */

.footer {
    background-color: var(--bg-dark);
    color: var(--secondary-color);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   动画效果
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 页面加载动画 */
.hero-content {
    animation: fadeInLeft 0.8s ease-out;
}

.hero-image {
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

.advantage-card,
.service-card,
.news-card {
    animation: fadeInUp 0.6s ease-out both;
}

.advantage-card:nth-child(2) {
    animation-delay: 0.1s;
}

.advantage-card:nth-child(3) {
    animation-delay: 0.2s;
}

.service-card:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3) {
    animation-delay: 0.2s;
}

.news-card:nth-child(2) {
    animation-delay: 0.1s;
}

.news-card:nth-child(3) {
    animation-delay: 0.2s;
}

/* ==========================================================================
   页面标题组件
   ========================================================================== */

.page-header {
    padding: 120px 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color);
    text-align: center;
}

.page-header-content h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.page-header-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.breadcrumb a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.7;
}

/* ==========================================================================
   统计数据组件
   ========================================================================== */

.services-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-unit {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
}

/* ==========================================================================
   服务详情组件
   ========================================================================== */

.service-detail {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.service-detail.alternate {
    background-color: var(--bg-secondary);
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.service-text {
    max-width: 600px;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.service-text h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-text h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.service-text > p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.service-features li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    line-height: 1.5;
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features strong {
    color: var(--primary-color);
    font-weight: 600;
}

.service-advantages h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.advantages-list {
    display: grid;
    gap: var(--spacing-sm);
}

.advantage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background-color: rgba(255, 107, 53, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.advantage-title {
    font-weight: 600;
    color: var(--text-primary);
}

.advantage-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.service-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

/* ==========================================================================
   解决方案组件
   ========================================================================== */

.solutions {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.solution-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.solution-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.solution-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.solution-card > p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.solution-card ul {
    list-style: none;
    padding: 0;
}

.solution-card li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-md);
}

.solution-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ==========================================================================
   服务流程组件
   ========================================================================== */

.service-process {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.process-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
    opacity: 0.3;
}

.process-step {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    box-shadow: var(--shadow-medium);
    z-index: 2;
    position: relative;
}

.step-content {
    flex: 1;
    max-width: 400px;
    background-color: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.step-content:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   关于我们页面组件
   ========================================================================== */

/* 公司介绍 */
.company-intro {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.intro-text .section-header {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.intro-text .section-header h2::after {
    left: 0;
    transform: none;
}

.intro-description .lead {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.intro-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

/* 企业文化 */
.company-culture {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.culture-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.culture-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

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

.culture-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.culture-card > p {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.culture-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 发展历程 */
.company-timeline {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: 80px;
}

.timeline-date {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-align: center;
    line-height: 1.2;
    box-shadow: var(--shadow-medium);
}

.timeline-content {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-light);
}

.timeline-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 核心优势 */
.company-advantages {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.advantage-list {
    display: grid;
    gap: var(--spacing-lg);
}

.advantage-point {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.point-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    margin-top: 4px;
}

.point-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.point-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.advantages-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    display: inline;
}

.stat-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* 团队介绍 */
.team-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.team-card {
    background-color: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.team-avatar {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.team-info {
    padding: var(--spacing-lg);
    text-align: center;
}

.team-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.team-position {
    font-size: var(--font-size-base);
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.team-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

/* 资质荣誉 */
.certifications {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.cert-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.cert-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    margin: 0 auto var(--spacing-md);
}

.cert-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.cert-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* ==========================================================================
   新闻页面样式
   ========================================================================== */

/* 页面标题 */
.page-header {
    padding: 120px 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::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="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    z-index: 1;
}

.page-title-wrapper {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease-out;
}

.page-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    opacity: 0.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.breadcrumb a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.7;
}

.separator {
    color: rgba(255, 255, 255, 0.6);
}

.current {
    color: rgba(255, 255, 255, 0.8);
}

/* 热门资讯 */
.featured-news {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.featured-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
}

.featured-article {
    background-color: var(--bg-primary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.featured-article:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.article-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.featured-article:hover .article-image img {
    transform: scale(1.1);
}

.article-tag {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-tag.hot {
    background-color: #e74c3c;
    color: var(--secondary-color);
}

.article-tag.new {
    background-color: #27ae60;
    color: var(--secondary-color);
}

.article-content {
    padding: var(--spacing-xl);
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.article-meta .date {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.article-meta .category {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.article-title {
    margin-bottom: var(--spacing-md);
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.read-time {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--primary-hover);
    transform: translateX(4px);
}

/* 新闻分类和筛选 */
.news-categories {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.news-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 25px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.news-card {
    background-color: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.news-image {
    width: 100%;
    height: 180px;
    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-content {
    padding: var(--spacing-lg);
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.news-meta .date {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.news-meta .category {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.news-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.news-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
}

.news-link:hover {
    color: var(--primary-hover);
    transform: translateX(4px);
}

/* 加载更多 */
.load-more-section {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.load-more-btn {
    padding: 12px 32px;
    font-size: var(--font-size-base);
}

/* 行业报告下载 */
.reports-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.report-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.report-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.report-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: var(--font-size-xl);
}

.report-content {
    flex: 1;
}

.report-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.report-desc {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.report-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-light);
    font-size: var(--font-size-xs);
}

.download-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 6px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.download-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* 订阅资讯 */
.newsletter-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.newsletter-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color);
    padding: var(--spacing-2xl);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-medium);
}

.newsletter-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.newsletter-desc {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form .form-group {
    display: flex;
    max-width: 500px;
    margin: 0 auto var(--spacing-md);
    gap: var(--spacing-sm);
}

.form-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid transparent;
    border-radius: 6px;
    font-size: var(--font-size-base);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

.newsletter-form .btn-primary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--secondary-color);
    flex-shrink: 0;
}

.newsletter-form .btn-primary:hover {
    background-color: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.form-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    opacity: 0.8;
    max-width: 400px;
    margin: 0 auto;
}

/* ==========================================================================
   联系我们页面样式
   ========================================================================== */

/* 联系方式概览 */
.contact-overview {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.contact-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 2px solid transparent;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: var(--font-size-2xl);
    margin: 0 auto var(--spacing-lg);
    transition: all 0.4s ease;
}

.contact-card:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-medium);
}

.contact-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

/* 联系表单区域 */
.contact-form-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.form-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.form-content {
    background-color: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-header .section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.form-header .section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.form-header .section-subtitle {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* 表单样式 */
.contact-form {
    max-width: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-row .form-group.full-width {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-label i {
    color: var(--primary-color);
}

.required {
    color: #e74c3c;
}

.form-input,
.form-select,
.form-textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* 复选框组 */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    font-size: var(--font-size-sm);
}

.checkbox-item:hover {
    background-color: rgba(255, 107, 53, 0.05);
}

.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--secondary-color);
    font-size: 12px;
    font-weight: bold;
}

/* 隐私政策复选框 */
.privacy-checkbox {
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.privacy-link:hover {
    text-decoration: underline;
}

/* 表单操作按钮 */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.submit-btn,
.reset-btn {
    padding: 14px 32px;
    font-size: var(--font-size-base);
    border-radius: 8px;
}

.form-notice {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* 侧边栏 */
.contact-sidebar {
    display: grid;
    gap: var(--spacing-lg);
    align-content: start;
}

.sidebar-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.sidebar-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-color);
}

/* 功能特点 */
.sidebar-features {
    display: grid;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.feature-item i {
    color: var(--primary-color);
    flex-shrink: 0;
}

/* 支持信息 */
.support-info {
    display: grid;
    gap: var(--spacing-sm);
}

.support-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.support-item:last-child {
    border-bottom: none;
}

.support-item strong {
    color: var(--text-primary);
}

.support-item span {
    color: var(--text-secondary);
}

/* 下载链接 */
.download-links {
    display: grid;
    gap: var(--spacing-sm);
}

.download-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
}

.download-link:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateX(4px);
}

.download-link i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.download-link:hover i {
    color: var(--secondary-color);
}

.download-link span {
    font-weight: 600;
}

.download-link small {
    margin-left: auto;
    opacity: 0.7;
}

/* 地图区域 */
.map-section {
    padding: 0;
    background-color: var(--bg-secondary);
}

.map-container {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.map-placeholder::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="map-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23ff6b35" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23map-grid)"/></svg>');
    opacity: 0.3;
}

.map-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.map-info {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
    max-width: 400px;
}

.map-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.map-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.map-info i {
    color: var(--primary-color);
    width: 16px;
}

.map-btn {
    margin-top: var(--spacing-md);
}

/* 常见问题 */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    cursor: pointer;
    background-color: var(--bg-primary);
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: var(--bg-secondary);
}

.faq-question h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    font-size: var(--font-size-base);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background-color: var(--bg-secondary);
}

.faq-item.active .faq-answer {
    padding: var(--spacing-lg);
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}