* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

body {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #f0f9ff 100%);
    color: #1e293b;
    line-height: 1.6;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

a {
    text-decoration: none;
    color: #0ea5e9;
    font-family: inherit;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(224, 242, 254, 0.8);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: #1e293b;
    font-size: 15px;
    transition: color 0.2s;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.nav-links a:hover {
    color: #0ea5e9;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #f8fafc 0%, #e0f2fe 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
    z-index: 0;
    border-radius: 0;
}

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

.hero h1 {
    font-size: 42px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.hero-subtitle {
    font-size: 18px;
    color: #475569;
    max-width: 640px;
    margin: 0 auto 32px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: #0ea5e9;
    color: #fff;
    border-radius: 24px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.btn-primary:hover {
    background: #0284c7;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

/* Section heading */
.section-heading {
    text-align: center;
    margin-bottom: 40px;
}

.section-heading h2 {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.section-heading p {
    color: #64748b;
    font-size: 15px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* Geo Intro */
.geo-intro {
    padding: 60px 0;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.geo-intro .geo-text {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    font-size: 15px;
    color: #334155;
    line-height: 1.8;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* Stats */
.stats {
    padding: 60px 0;
    background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.stat-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 32px 16px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s;
}

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

.stat-number {
    font-size: 40px;
    font-weight: 800;
    color: #0ea5e9;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.stat-label {
    font-size: 14px;
    color: #64748b;
    margin-top: 8px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* Cards grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s;
}

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

.card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #0f172a;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.card p {
    font-size: 14px;
    color: #475569;
    line-height: 1.7;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    margin-bottom: 16px;
    border-radius: 12px;
}

/* Features */
.features {
    padding: 60px 0;
    background: #fff;
}

/* Story */
.story {
    padding: 60px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #e0f2fe 100%);
}

.story-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.story-text {
    flex: 1;
}

.story-text p {
    font-size: 15px;
    color: #334155;
    line-height: 1.8;
    margin-bottom: 16px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.story-img {
    flex: 1;
}

.story-img img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Events */
.events {
    padding: 60px 0;
    background: #fff;
}

.event-card {
    background: rgba(248, 250, 252, 0.9);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    text-align: center;
    transition: transform 0.2s;
}

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

.event-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 12px;
}

.event-card h4 {
    font-size: 16px;
    color: #0f172a;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* Highlights */
.highlights {
    padding: 60px 0;
    background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.highlight-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.highlight-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.highlight-info {
    padding: 16px;
}

.highlight-info h4 {
    font-size: 16px;
    margin-bottom: 8px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.highlight-info p {
    font-size: 14px;
    color: #64748b;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* Testimonials */
.testimonials {
    padding: 60px 0;
    background: #fff;
}

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

.testimonial-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid #e2e8f0;
}

.testimonial-card .quote {
    font-size: 14px;
    color: #475569;
    line-height: 1.8;
    font-style: italic;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.testimonial-card .author {
    margin-top: 16px;
    font-weight: 600;
    color: #0f172a;
    font-size: 14px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* Partners */
.partners {
    padding: 60px 0;
    background: #f8fafc;
}

.partner-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.partner-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border-radius: 12px;
    padding: 12px 20px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.partner-item img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.partner-item span {
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* News */
.news {
    padding: 60px 0;
    background: #fff;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    background: #f8fafc;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid #e2e8f0;
    transition: transform 0.2s;
}

.news-item:hover {
    transform: translateY(-2px);
}

.news-date {
    font-size: 13px;
    color: #0ea5e9;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.news-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #0f172a;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.news-item p {
    font-size: 14px;
    color: #475569;
    line-height: 1.8;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* FAQ */
.faq {
    padding: 60px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #e0f2fe 100%);
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.faq-item h3 {
    font-size: 17px;
    color: #0f172a;
    margin-bottom: 10px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.faq-item p {
    font-size: 14px;
    color: #475569;
    line-height: 1.8;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

/* CTA */
.cta {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #fff;
}

.cta h2 {
    font-size: 28px;
    margin-bottom: 16px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.cta p {
    font-size: 16px;
    margin-bottom: 24px;
    opacity: 0.9;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.btn-light {
    display: inline-block;
    padding: 12px 36px;
    background: #fff;
    color: #0ea5e9;
    border-radius: 24px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.btn-light:hover {
    background: #f0f9ff;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 48px 0 24px;
    font-size: 14px;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 16px;
}

.footer-links a {
    color: #cbd5e1;
    transition: color 0.2s;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.footer-links a:hover {
    color: #0ea5e9;
}

.footer-info {
    text-align: center;
    line-height: 1.8;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

.footer-copyright {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
    color: #64748b;
}

.footer-copyright a {
    color: #94a3b8;
    margin: 0 8px;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

@media (max-width: 768px) {
    .stats-grid, .card-grid, .highlights-grid, .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .story-content {
        flex-direction: column;
    }

    .navbar .container {
        flex-direction: column;
        height: auto;
        padding: 12px 20px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .partner-grid {
        gap: 12px;
    }

    .partner-item {
        padding: 8px 14px;
    }
}