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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #333;
    line-height: 1.6;
    background: #fff;
}
a {
  text-decoration: none;
}

/* ===== 顶部工具栏 ===== */
.top-bar {
    background: #1B3A6B;
    color: #fff;
    padding: 8px 0;
    font-size: 13px;
}

.top-bar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.top-bar-right a {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: opacity 0.3s;
}

.top-bar-right a:hover {
    opacity: 0.8;
}

.icon {
    width: 16px;
    height: 16px;
    display: inline-block;
}

/* ===== 主导航栏 ===== */
.main-nav {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

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

.logo-img {
    /* width: 50px; */
    height: 50px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: 600;
    color: #1B3A6B;
    line-height: 1.2;
}

.logo-text p {
    font-size: 11px;
    color: #999;
    letter-spacing: 1px;
}


.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #666;
    cursor: pointer;
}

.search-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #E8F0FE;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    background: #fff;
}

.search-btn:hover {
    background: #E8F0FE;
}

/* ===== 全屏Banner ===== */
.hero-banner {
    position: relative;
    height: 640px;
    background: #1B3A6B;
    overflow: hidden;
}

.hero-bg {
    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 1200 640"><defs><linearGradient id="g1" x1="0%25" y1="0%25" x2="100%25" y2="100%25"><stop offset="0%25" style="stop-color:%231B3A6B"/><stop offset="100%25" style="stop-color:%232E6DB4"/></linearGradient></defs><rect width="1200" height="640" fill="url(%23g1)"/><circle cx="200" cy="200" r="300" fill="rgba(255,255,255,0.03)"/><circle cx="900" cy="400" r="250" fill="rgba(255,255,255,0.02)"/></svg>') center/cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-text {
    max-width: 620px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    padding: 8px 20px;
    border-radius: 24px;
    color: #fff;
    font-size: 13px;
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: #4FC3F7;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title span {
    color: #4FC3F7;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: #2E6DB4;
    color: #fff;
}

.btn-primary:hover {
    background: #1B3A6B;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27,58,107,0.3);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

/* ===== 数据亮点栏 ===== */
.stats-bar {
    background: #fff;
    padding: 40px 0;
    border-bottom: 1px solid #F0F4F8;
}

.stats-bar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
}

.stat-item {
    text-align: center;
    flex: 1;
    padding: 0 20px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #1B3A6B;
    line-height: 1;
}

.stat-number span {
    color: #2E6DB4;
    font-size: 20px;
}

.stat-label {
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}

/* ===== 主营业务区 ===== */
.services-section {
    padding: 40px 0;
    background: #F8FAFC;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    color: #2E6DB4;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

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

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

.service-card {
    background: #fff;
    border-radius: 8px;
    padding: 32px 28px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid #F0F4F8;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(27,58,107,0.12);
    border-color: #E8F0FE;
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #E8F0FE;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
}

/* ===== 特色业务推荐 ===== */
.featured-section {
    padding: 40px 0;
    background: #fff;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.featured-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
}

.featured-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.featured-card:hover img {
    transform: scale(1.08);
}

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    /* background: #1B3A6B; */
    color: #fff;
}

.featured-tag {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 12px;
}

.featured-overlay h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.featured-overlay p {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

/* ===== 新闻中心 ===== */
.news-section {
    padding: 40px 0;
    background: #F8FAFC;
}

.news-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
}

.news-main h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid #F0F4F8;
}

.news-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border-color: #E8F0FE;
}

.news-date {
    text-align: center;
    min-width: 56px;
}

.news-date .day {
    font-size: 28px;
    font-weight: 700;
    color: #2E6DB4;
    line-height: 1;
}

.news-date .month {
    font-size: 12px;
    color: #999;
}

.news-content h4 {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin-bottom: 6px;
    line-height: 1.4;
}

.news-content p {
    font-size: 13px;
    color: #888;
}

.news-sidebar {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    border: 1px solid #F0F4F8;
}

.news-sidebar .notice-list{
    display: none;
}
.container .news-sidebar .active{
    display: block;
}

.news-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
}

.news-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    font-size: 14px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s;
    border: none;
    background: #F0F4F8;
    color: #666;
}

.news-tab.active {
    background: #1B3A6B;
    color: #fff;
}

.notice-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.notice-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 1px solid #F0F4F8;
}

.notice-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.notice-dot {
    width: 6px;
    height: 6px;
    background: #2E6DB4;
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

.notice-text {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}

/* ===== 关于NGV ===== */
.about-section {
    padding: 40px 0;
    background: #fff;
}

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

.about-content h3 {
    font-size: 28px;
    font-weight: 600;
    color: #1B3A6B;
    margin-bottom: 20px;
}

.about-content p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-btns {
    display: flex;
    gap: 16px;
}

.btn-dark {
    background: #1B3A6B;
    color: #fff;
}

.btn-dark:hover {
    background: #2E6DB4;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27,58,107,0.3);
}

.about-image {
    background: #E8F0FE;
    border-radius: 12px;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.map-placeholder {
    text-align: center;
    color: #1B3A6B;
}

.map-placeholder svg {
    margin-bottom: 16px;
}

.map-placeholder p {
    font-size: 16px;
    font-weight: 500;
}

/* ===== 合作伙伴 ===== */
.partners-section {
    padding: 40px 0;
    background: #F8FAFC;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.partner-item {
    /* background: #fff; */
    height: 80px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* border: 1px solid #F0F4F8; */
    transition: all 0.3s;
}

.partner-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    border-color: #E8F0FE;
}

.partner-item span {
    color: #999;
    font-size: 14px;
}

/* ===== CTA行动号召区 ===== */
.cta-section {
    padding: 80px 0;
    background: #1B3A6B;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255,255,255,0.02);
    border-radius: 50%;
}

.cta-section .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
}

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

.btn-light {
    background: #fff;
    color: #1B3A6B;
}

.btn-light:hover {
    background: #F0F4F8;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* ===== 快捷入口栏 ===== */
.quick-links {
    padding: 0;
    background: #2E6DB4;
}

.quick-links .container {
    display: flex;
}

.quick-link-item {
    flex: 1;
    padding: 24px;
    text-align: center;
    color: #fff;
    text-decoration: none;
    transition: background 0.3s;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.quick-link-item:last-child {
    border-right: none;
}

.quick-link-item:hover {
    background: rgba(255,255,255,0.1);
}

.quick-link-item .icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.quick-link-item h4 {
    font-size: 15px;
    font-weight: 500;
}

/* ===== 页脚 ===== */
.footer {
    background: #0F2447;
    color: #fff;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

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

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

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-wrapper {
        grid-template-columns: 1fr;
    }
    .news-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    .hero-banner {
        height: auto;
        padding: 80px 0;
    }
    .hero-btns {
        flex-direction: column;
    }
    .nav-menu {
        display: none;
    }
    .stats-bar .container {
        flex-wrap: wrap;
        gap: 20px;
    }
    .stat-item {
        flex: 0 0 calc(50% - 10px);
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .featured-grid {
        grid-template-columns: 1fr;
    }
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .quick-links .container {
        flex-wrap: wrap;
    }
    .quick-link-item {
        flex: 0 0 50%;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .section-title {
        font-size: 24px;
    }
}