:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #f59e0b;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 16px;
    --max-width: 1200px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo img {
    height: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text);
}

/* Hero */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 1.125rem;
    opacity: 0.8;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-label {
    opacity: 0.8;
    font-size: 0.875rem;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #d97706;
    border-color: #d97706;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

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

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

.btn-large {
    padding: 16px 36px;
    font-size: 1.125rem;
}

/* 区块标题 */
.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-desc {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 48px;
}

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

/* 核心优势 */
.advantages {
    padding: 100px 0;
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.advantage-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.advantage-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.advantage-highlight {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* 产品预览 */
.products-preview {
    padding: 100px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.product-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-image {
    aspect-ratio: 1;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-card h3 {
    padding: 20px 20px 8px;
    font-size: 1.125rem;
}

.product-card p {
    padding: 0 20px 20px;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* 对比表格 */
.comparison {
    padding: 100px 0;
    background: var(--bg-light);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 48px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 20px 24px;
    text-align: left;
}

.comparison-table thead {
    background: var(--text);
    color: white;
}

.comparison-table tbody tr {
    border-bottom: 1px solid var(--border);
}

.comparison-table tbody tr:last-child {
    border-bottom: none;
}

.comparison-table .highlight {
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
    font-weight: 600;
}

/* 应用场景 */
.scenarios {
    padding: 100px 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.scenario-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.scenario-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scenario-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: white;
}

.scenario-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.scenario-overlay p {
    opacity: 0.9;
}

/* 案例 */
.cases {
    padding: 100px 0;
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0;
}

.case-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.case-logo {
    font-size: 3rem;
    margin-bottom: 16px;
}

.case-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.case-card p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.case-result {
    display: inline-block;
    background: #dcfce7;
    color: #166534;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* 公司介绍 */
.company-intro {
    padding: 100px 0;
}

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

.company-text h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.company-text p {
    margin-bottom: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-box {
    background: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-text {
    color: var(--text-light);
}

/* CTA */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta > p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* 页脚 */
.footer {
    padding: 60px 0 24px;
    background: #111827;
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand img {
    height: 48px;
    margin-bottom: 16px;
}

.footer-brand p {
    opacity: 0.7;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-contact p {
    opacity: 0.7;
    margin-bottom: 8px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    opacity: 0.7;
}

/* 页面头部 */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.page-header p {
    opacity: 0.9;
    font-size: 1.125rem;
}

/* 响应式 */
@media (max-width: 1024px) {
    .advantages-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .company-content {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .advantages-grid,
    .scenarios-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* 产品详情页 */
.product-overview-section {
    padding: 60px 0;
}

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

.overview-image {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overview-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.overview-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.lead {
    font-size: 1.125rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    margin-bottom: 32px;
}

.feature-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

/* 系统架构 */
.architecture-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.architecture-diagram {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 32px;
    overflow-x: auto;
}

.ascii-art {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--text);
}

.architecture-note {
    margin-top: 32px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
}

.architecture-note h3 {
    margin-bottom: 16px;
}

.architecture-note ul {
    list-style: none;
}

.architecture-note li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.architecture-note li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 产品详情列表 */
.products-detail {
    padding: 60px 0;
}

.product-detail-list {
    margin-top: 48px;
}

.product-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.product-detail-item.reverse {
    direction: rtl;
}

.product-detail-item.reverse > * {
    direction: ltr;
}

.product-detail-image {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.product-detail-image img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.product-tag {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-detail-content h3 {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-light);
    margin-bottom: 24px;
}

.product-features,
.product-specs {
    margin-bottom: 24px;
}

.product-features h4,
.product-specs h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.product-features ul,
.product-specs ul {
    list-style: none;
}

.product-features li,
.product-specs li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.product-features li::before,
.product-specs li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary);
}

/* 技术参数 */
.specs-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.specs-table-wrapper {
    margin-top: 32px;
    overflow-x: auto;
}

.specs-table {
    width: 100%;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.specs-table th,
.specs-table td {
    padding: 16px 24px;
    text-align: left;
}

.specs-table th {
    background: var(--bg-light);
    font-weight: 600;
    width: 30%;
}

.specs-table tr:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

/* 认证 */
.certification-section {
    padding: 60px 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.cert-item {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.cert-item h4 {
    margin-bottom: 8px;
}

.cert-item p {
    color: var(--text-light);
}

/* 案例页 */
.cases-list {
    padding: 60px 0;
}

.case-filters {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid var(--border);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.case-card-large {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 32px;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
}

.case-card-large .case-image {
    aspect-ratio: auto;
    min-height: 300px;
}

.case-card-large .case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-content {
    padding: 40px;
}

.case-tag {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.case-content > p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.case-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
}

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

.case-num {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.case-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.case-highlight h4 {
    margin-bottom: 12px;
}

.case-highlight ul {
    list-style: none;
}

.case-highlight li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.case-highlight li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary);
}

/* 统计数据 */
.stats-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.stat-card {
    background: white;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

/* 关于我们 */
.about-intro {
    padding: 60px 0;
}

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

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: var(--text-light);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.highlight-item {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
}

.highlight-num {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.highlight-text {
    font-size: 0.875rem;
    color: var(--text-light);
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
}

/* 时间线 */
.timeline-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 48px auto 0;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 100px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    background: white;
    padding: 8px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    margin: 0 32px;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-light);
}

/* 荣誉 */
.honors-section {
    padding: 60px 0;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.honor-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
    transition: border-color 0.3s;
}

.honor-card:hover {
    border-color: var(--primary);
}

.honor-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.honor-card h3 {
    font-size: 1rem;
}

/* 团队 */
.team-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.team-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.team-card h3 {
    padding: 20px 20px 8px;
}

.team-card p {
    padding: 0 20px 20px;
    color: var(--text-light);
}

/* 联系页面 */
.contact-section {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.contact-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.contact-item h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-item p {
    color: var(--text-light);
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
}

.contact-note {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 4px;
}

.cta-box {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.cta-box h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.cta-box > p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.cta-methods {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

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

.qr-placeholder p {
    margin-bottom: 12px;
    font-size: 0.875rem;
}

.qr-box {
    width: 150px;
    height: 150px;
    background: white;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    margin: 0 auto;
}

/* 服务 */
.service-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.service-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* 解决方案 */
.solutions-list {
    padding: 60px 0;
}

.solution-item {
    margin-bottom: 60px;
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border);
}

.solution-icon {
    font-size: 3rem;
}

.solution-header h2 {
    font-size: 1.75rem;
    margin-bottom: 4px;
}

.solution-header p {
    color: var(--text-light);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.solution-content.reverse {
    direction: rtl;
}

.solution-content.reverse > * {
    direction: ltr;
}

.solution-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: auto;
}

.solution-details h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.solution-details ul {
    list-style: none;
    margin-bottom: 32px;
}

.solution-details li {
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
}

.solution-details li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary);
}

.value-grid {
    display: flex;
    gap: 24px;
}

.value-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    flex: 1;
}

.value-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

/* 响应式补充 */
@media (max-width: 1024px) {
    .overview-grid,
    .product-detail-item,
    .case-card-large,
    .contact-grid,
    .solution-content {
        grid-template-columns: 1fr;
    }

    .product-detail-item.reverse,
    .solution-content.reverse {
        direction: ltr;
    }

    .cert-grid,
    .honors-grid,
    .stats-grid,
    .service-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
        padding-left: 60px;
    }

    .timeline-year {
        position: absolute;
        left: 0;
        width: auto;
        padding: 4px 12px;
        font-size: 1rem;
    }

    .timeline-content {
        margin: 0;
    }
}

@media (max-width: 768px) {
    .cert-grid,
    .honors-grid,
    .stats-grid,
    .service-grid,
    .team-grid,
    .about-highlights,
    .value-grid,
    .case-stats {
        grid-template-columns: 1fr;
    }

    .cta-methods {
        flex-direction: column;
    }

    .solution-header {
        flex-direction: column;
        text-align: center;
    }
}