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

:root {
    --accent: #667eea;
    --accent-2: #764ba2;
    --text: #1f2933;
    --muted: #5f6c7b;
    --bg: #f5f7fb;
    --card: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

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

/* 头部样式 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo .tagline {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 5px;
}

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

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s, transform 0.2s;
    font-size: 16px;
}

nav a:hover,
nav a.active {
    opacity: 0.9;
    transform: translateY(-1px);
}

nav a.active {
    border-bottom: 2px solid white;
    padding-bottom: 2px;
}

/* 主横幅 */
.hero {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: white;
    text-align: center;
    padding: 120px 20px 110px;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.12), transparent 30%),
                radial-gradient(circle at 80% 10%, rgba(255,255,255,0.1), transparent 25%);
    pointer-events: none;
}

.hero h2 {
    font-size: 44px;
    margin-bottom: 18px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    margin-bottom: 36px;
    opacity: 0.95;
}

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

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--accent);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 32px;
    color: var(--text);
}

.section-sub {
    color: var(--muted);
    margin-top: 8px;
}

.eyebrow {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
}

.link-more {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.link-more:hover {
    opacity: 0.85;
}

/* 服务区域 */
.services {
    padding: 80px 20px;
    background: white;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #f9f9f9;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #e0e0e0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.service-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #667eea;
}

.service-card p {
    color: #666;
    line-height: 1.8;
}

/* 解决方案 */
.solutions {
    padding: 80px 20px;
    background: #f9f9f9;
}

.solutions h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.solution-list {
    display: grid;
    gap: 30px;
}

.solution-item {
    background: white;
    padding: 40px;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.solution-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #667eea;
}

.solution-item p {
    color: #666;
    line-height: 1.8;
}

/* 数据亮点 */
.stats-highlight {
    padding: 70px 20px;
    background: linear-gradient(135deg, #f7f9ff 0%, #eef2ff 100%);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.stat-card .label {
    color: var(--muted);
    margin-bottom: 6px;
}

.stat-card .value {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.stat-card .hint {
    color: var(--muted);
    font-size: 14px;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 30px;
}

.pillar-item {
    padding: 18px;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.08);
    color: var(--text);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.pillar-item h4 {
    margin-bottom: 6px;
}

.pillar-item p {
    color: var(--muted);
    line-height: 1.7;
}

/* 案例 */
.cases {
    padding: 80px 20px;
    background: white;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.case-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    box-shadow: var(--shadow);
    position: relative;
}

.case-card .badge {
    display: inline-block;
    padding: 6px 10px;
    background: rgba(102, 126, 234, 0.12);
    color: var(--accent);
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 10px;
    font-weight: 700;
}

.case-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.case-card .desc {
    color: var(--muted);
    margin-bottom: 14px;
    line-height: 1.7;
}

.case-card ul {
    list-style: none;
    color: var(--text);
}

.case-card li {
    margin-bottom: 8px;
}

/* 关于我们 */
.about {
    padding: 80px 20px;
    background: white;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.about-content p {
    font-size: 18px;
    line-height: 2;
    margin-bottom: 20px;
    color: #666;
    text-align: justify;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

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

.stat-item h3 {
    font-size: 48px;
    color: #667eea;
    margin-bottom: 10px;
    font-weight: 700;
}

.stat-item p {
    font-size: 18px;
    color: #666;
}

/* 联系我们 */
.contact {
    padding: 80px 20px;
    background: #f9f9f9;
}

.contact h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

/* 新闻 */
.news {
    padding: 80px 20px;
    background: #f9f9f9;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.news-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-card .badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 10px;
    background: rgba(118, 75, 162, 0.1);
    color: var(--accent-2);
    font-size: 12px;
    font-weight: 700;
    width: fit-content;
}

.news-card h3 {
    font-size: 18px;
    color: var(--text);
}

.news-card p {
    color: var(--muted);
    line-height: 1.6;
}

.news-card .date {
    color: var(--muted);
    font-size: 13px;
}

/* 合作伙伴 */
.partners {
    padding: 80px 20px;
    background: white;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.logo-tile {
    background: #f4f6fb;
    border: 1px dashed var(--border);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    color: var(--muted);
    font-weight: 700;
}

.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 30px;
}

.cert-item {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}

.cert-title {
    font-weight: 700;
    color: var(--accent);
}

.cert-desc {
    color: var(--muted);
    margin-top: 6px;
}

/* FAQ */
.faq {
    padding: 80px 20px;
    background: #f9f9f9;
}

.faq-list {
    display: grid;
    gap: 14px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    padding: 16px;
    text-align: left;
    background: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-weight: 700;
    color: var(--accent);
}

.faq-question.open::after {
    content: '-';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    padding: 0 16px 0;
}

.faq-answer p {
    color: var(--muted);
    padding: 0 0 16px;
    line-height: 1.7;
}

/* CTA */
.cta-banner {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: white;
    padding: 50px 20px;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cta-inner h3 {
    font-size: 24px;
    margin: 8px 0;
}

.cta-actions {
    display: flex;
    gap: 12px;
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: white;
    box-shadow: var(--shadow);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 99;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(-4px);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #667eea;
}

.contact-item p {
    color: #666;
    font-size: 16px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #667eea;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* 页脚 */
footer {
    background: #2c3e50;
    color: white;
    padding: 60px 20px 20px;
}

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

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

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

.footer-section li {
    margin-bottom: 10px;
}

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

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

.footer-section p {
    color: #bbb;
    margin-bottom: 15px;
}

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

.social-links a {
    display: inline-block;
    padding: 8px 15px;
    background: #34495e;
    border-radius: 5px;
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #34495e;
}

.footer-bottom p {
    color: #999;
    margin-bottom: 5px;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 18px;
    }

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

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

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-actions {
        width: 100%;
        flex-direction: column;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

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

/* 页面Hero */
.page-hero {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: white;
    padding: 80px 20px 70px;
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 12px;
    font-weight: 700;
}

.page-hero .lead {
    font-size: 18px;
    opacity: 0.95;
}

/* 服务页面特定样式 */
.feature-list {
    list-style: none;
    margin-top: 15px;
}

.feature-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--muted);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.service-process {
    padding: 80px 20px;
    background: white;
}

.service-process h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h3 {
    margin-bottom: 10px;
}

.process-step p {
    color: var(--muted);
    line-height: 1.7;
}

/* 解决方案页面 */
.solution-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.solution-details h4 {
    color: var(--accent);
    margin-bottom: 10px;
    margin-top: 15px;
}

.solution-details ul {
    list-style: none;
    margin-top: 10px;
}

.solution-details li {
    padding: 6px 0;
    color: var(--muted);
    line-height: 1.7;
}

.solution-benefits {
    padding: 80px 20px;
    background: #f9f9f9;
}

.solution-benefits h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
    text-align: center;
}

.benefit-card h3 {
    color: var(--accent);
    margin-bottom: 10px;
}

.benefit-card p {
    color: var(--muted);
    line-height: 1.7;
}

/* 案例页面 */
.case-card .case-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
}

.case-card .case-details h4 {
    color: var(--accent);
    margin-bottom: 8px;
    margin-top: 12px;
    font-size: 16px;
}

.case-card .case-details p {
    font-size: 14px;
}

.testimonials {
    padding: 80px 20px;
    background: white;
}

.testimonials h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
}

.testimonial-card .quote {
    font-style: italic;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 15px;
}

.testimonial-card .author {
    color: var(--muted);
    font-weight: 600;
}

/* 新闻页面 */
.news-card.featured {
    grid-column: span 2;
}

.news-card .news-meta {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    font-size: 13px;
}

.news-card .category {
    color: var(--accent);
    font-weight: 600;
}

.news-card .news-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--border);
}

.news-card .news-details h4 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 16px;
}

.news-card .news-details ul {
    list-style: none;
    margin: 10px 0;
}

.news-card .news-details li {
    padding: 5px 0;
    padding-left: 18px;
    position: relative;
    color: var(--muted);
    font-size: 14px;
}

.news-card .news-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.download-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

.download-link:hover {
    opacity: 0.8;
}

.media-coverage {
    padding: 80px 20px;
    background: white;
}

.media-coverage h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.media-card {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.media-card .media-name {
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 8px;
}

.media-card h4 {
    margin-bottom: 10px;
    font-size: 16px;
}

.media-card .date {
    color: var(--muted);
    font-size: 13px;
}

/* 关于页面 */
.timeline-section {
    padding: 80px 20px;
    background: white;
}

.timeline-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item .year {
    text-align: right;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
}

.timeline-item .content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.timeline-item .content h3 {
    margin-bottom: 8px;
    color: var(--text);
}

.timeline-item .content p {
    color: var(--muted);
    line-height: 1.7;
}

.culture {
    padding: 80px 20px;
    background: #f9f9f9;
}

.culture h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.culture-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.culture-card h3 {
    color: var(--accent);
    margin-bottom: 12px;
}

.culture-card p {
    color: var(--muted);
    line-height: 1.8;
}

.team {
    padding: 80px 20px;
    background: white;
}

.team h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.team-card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border);
}

.team-card .avatar {
    font-size: 60px;
    margin-bottom: 15px;
}

.team-card h3 {
    margin-bottom: 5px;
}

.team-card .role {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
}

.team-card .bio {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}

.join-us {
    padding: 80px 20px;
    background: #f9f9f9;
}

.join-us h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 15px;
}

.join-us .lead {
    text-align: center;
    color: var(--muted);
    margin-bottom: 40px;
}

.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.position-card {
    background: white;
    padding: 24px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.position-card h3 {
    color: var(--text);
    margin-bottom: 8px;
}

.position-card .location {
    color: var(--accent);
    font-size: 14px;
    margin-bottom: 10px;
}

.position-card p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}

/* 联系页面 */
.contact-form select {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
    background: white;
}

.contact-form select:focus {
    outline: none;
    border-color: var(--accent);
}

.offices {
    padding: 80px 20px;
    background: white;
}

.offices h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.offices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.office-card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.office-card h3 {
    color: var(--accent);
    margin-bottom: 15px;
}

.office-card p {
    color: var(--muted);
    margin-bottom: 8px;
    line-height: 1.7;
}

.map-section {
    padding: 80px 20px;
    background: #f9f9f9;
}

.map-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

.map-placeholder {
    background: white;
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 60px 20px;
    text-align: center;
    color: var(--text);
    font-size: 18px;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 50px;
    }

    .timeline-item .year {
        text-align: left;
    }

    .news-card.featured {
        grid-column: span 1;
    }
}