/* ==================== 全局样式 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif; color: #333; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-block; font-size: 14px; font-weight: 600; color: #0066cc; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.section-title { font-size: 40px; font-weight: 700; color: #0a1628; margin-bottom: 16px; }
.section-subtitle { font-size: 18px; color: #666; max-width: 600px; margin: 0 auto; }

/* ==================== 导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #0a1628;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
/* 首页导航栏 - 透明悬浮（Hero上方） */
.header.header-home {
    background: transparent;
}
.header.header-scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}
.logo img { height: 40px; }
.nav {
    display: flex;
    gap: 40px;
}
.nav a {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.3s;
    position: relative;
}
.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066cc;
    transition: width 0.3s;
}
.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}
.nav a:hover,
.nav a.active {
    color: #fff;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}
.lang-switch {
    display: flex;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}
.lang-switch a {
    padding: 4px 10px;
    border-radius: 4px;
    transition: all 0.3s;
}
.lang-switch a.active {
    background: #0066cc;
    color: #fff;
}
.btn-header-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: #fff;
    color: #0a1628;
    font-size: 14px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s;
    white-space: nowrap;
}
.btn-header-cta:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}
.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s;
}
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ==================== Hero区 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: #0a1628;
    overflow: hidden;
}
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.hero-bg-image {
    position: absolute;
    inset: 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: 0;
    animation: heroBgZoom 20s ease-in-out infinite alternate;
}
.hero-bg-image.has-video {
    display: none;
}
@keyframes heroBgZoom {
    0% { background-size: 100% 100%; background-position: center center; }
    100% { background-size: 120% 120%; background-position: center center; }
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.75) 50%, rgba(0, 102, 204, 0.4) 100%);
}
.hero-overlay::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 150, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 6s ease-in-out infinite alternate;
}
.hero-overlay::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 8s ease-in-out infinite alternate-reverse;
}
@keyframes glowPulse {
    0% { opacity: 0.5; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1.2); }
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 120px 0 80px;
}
.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
    animation: fadeInUp 1s ease-out;
}
.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.7;
    animation: fadeInUp 1s ease-out 0.2s both;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}


.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: #fff;
    color: #0a1628;
    font-size: 16px;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-hero-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.btn-arrow {
    font-size: 18px;
    transition: transform 0.3s;
}
.btn-hero-primary:hover .btn-arrow {
    transform: translateX(4px);
}
.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: transparent;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}
.hero-scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}
.hero-scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: #fff;
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}
@keyframes scrollDown {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.3; top: 20px; }
}

/* ==================== 合作客户Logo条 ==================== */
.clients-section {
    padding: 50px 0;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
}
.clients-header {
    text-align: center;
    margin-bottom: 35px;
}
.clients-label {
    font-size: 13px;
    color: #999;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.clients-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    min-width: 120px;
    padding: 0 20px;
    background: #fff;
    border: 1px solid #e8ecf0;
    border-radius: 8px;
    transition: all 0.3s;
}
.client-logo:hover {
    border-color: #c0c8d0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}
.client-logo-text {
    font-size: 15px;
    color: #666;
    font-weight: 600;
    white-space: nowrap;
}
.client-logo-img {
    max-width: 80%;
    max-height: 50px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}
.client-logo:hover .client-logo-img {
    filter: grayscale(0%);
    opacity: 1;
}


/* ==================== 案例封面图 ==================== */
.case-card-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}
.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.case-card:hover .case-card-image img {
    transform: scale(1.05);
}
/* ==================== 产品服务 ==================== */
.services-section {
    background: #fff;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.service-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s;
    display: block;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}
.service-card-image {
    height: 180px;
    overflow: hidden;
}
.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.service-card:hover .service-card-image img {
    transform: scale(1.08);
}
.service-card-content {
    padding: 24px;
}
.service-card-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #0a1628;
    margin-bottom: 10px;
}
.service-card-content p {
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
    line-height: 1.6;
}
.service-card-link {
    font-size: 14px;
    font-weight: 600;
    color: #0066cc;
}

/* ==================== 成功案例 ==================== */
.cases-section {
    background: #0a1628;
}
.cases-section .section-tag {
    color: #0066cc;
}
.cases-section .section-title {
    color: #fff;
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.case-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.4s;
}
.case-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.case-card-inner {
    padding: 32px;
}
.case-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 102, 204, 0.3);
    color: #4da6ff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}
.case-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
    line-height: 1.4;
}
.case-card-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 20px;
}
.case-card-link {
    font-size: 14px;
    font-weight: 600;
    color: #0066cc;
    transition: color 0.3s;
}
.case-card-link:hover {
    color: #4da6ff;
}

/* ==================== 中间CTA ==================== */
.cta-section {
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    padding: 80px 0;
}
.cta-content {
    text-align: center;
}
.cta-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}
.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 40px;
    background: #fff;
    color: #0066cc;
    font-size: 16px;
    font-weight: 700;
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}
.btn-cta-primary:hover .btn-arrow {
    transform: translateX(4px);
}

/* ==================== 关于我们 - 新版 ==================== */
.about-section-new {
    background: #fff;
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-image {
    position: relative;
}
.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}
.about-image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border-radius: 16px;
    z-index: -1;
}
.about-content .section-tag {
    text-align: left;
    display: block;
}
.about-content h2 {
    font-size: 40px;
    font-weight: 700;
    color: #0a1628;
    margin-bottom: 24px;
}
.about-text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}
.stat-item {
    text-align: left;
}
.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: #0066cc;
    line-height: 1;
}
.stat-suffix {
    font-size: 32px;
    font-weight: 700;
    color: #0066cc;
}
.stat-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}
.btn-about-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: #0a1628;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-about-more:hover {
    background: #1a2a4a;
    transform: translateY(-2px);
}

/* ==================== 客户评价 ==================== */
.testimonials-section {
    background: #f8f9fa;
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.testimonial-card {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.4s;
}
.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}
.testimonial-quote {
    font-size: 72px;
    font-family: Georgia, serif;
    color: #0066cc;
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.3;
}
.testimonial-text {
    font-size: 16px;
    color: #444;
    line-height: 1.8;
    margin-bottom: 30px;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}
.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
}
.testimonial-name {
    font-size: 16px;
    font-weight: 600;
    color: #0a1628;
}
.testimonial-position {
    font-size: 14px;
    color: #999;
}

/* ==================== 底部CTA ==================== */
.footer-cta-section {
    background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
    padding: 100px 0;
}
.footer-cta-content {
    text-align: center;
}
.footer-cta-title {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
}
.footer-cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.footer-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-footer-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 40px;
    background: #fff;
    color: #0a1628;
    font-size: 16px;
    font-weight: 700;
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-footer-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}
.btn-footer-cta-primary:hover .btn-arrow {
    transform: translateX(4px);
}
.btn-footer-cta-secondary {
    display: inline-flex;
    align-items: center;
    padding: 18px 40px;
    background: transparent;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-footer-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ==================== 底部 ==================== */
.footer {
    background: #0a1628;
    color: #fff;
    padding: 60px 0 20px;
}
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}
.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
}
.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s;
}
.footer-col ul li a:hover {
    color: #fff;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}
.footer-bottom p {
    margin-bottom: 5px;
}

/* ==================== 悬浮咨询按钮 ==================== */
.floating-contact {
    position: fixed;
    right: 30px;
    bottom: 100px;
    z-index: 999;
}
.contact-btn {
    display: block;
    padding: 15px 25px;
    background: #0066cc;
    color: #fff;
    border-radius: 25px;
    box-shadow: 0 5px 20px rgba(0, 102, 204, 0.4);
    transition: all 0.3s;
}
.contact-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.5);
}

/* ==================== 滚动动画 ==================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .clients-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        z-index: 999;
    }
    .nav.active {
        display: flex;
    }
    .nav a {
        font-size: 24px;
    }
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    .btn-header-cta {
        display: none;
    }
    .hero-title {
        font-size: 40px;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-image-decoration {
        display: none;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
    }
    .hero-content {
        padding: 100px 0 60px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }
    .section {
        padding: 60px 0;
    }
    .section-title {
        font-size: 28px;
    }
    .section-header {
        margin-bottom: 40px;
    }
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .cta-title {
        font-size: 28px;
    }
    .about-content h2 {
        font-size: 28px;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    .stat-number {
        font-size: 36px;
    }
    .footer-cta-title {
        font-size: 28px;
    }
    .footer-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn-footer-cta-primary,
    .btn-footer-cta-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    .floating-contact {
        right: 20px;
        bottom: 80px;
    }
}

/* ==================== 产品列表页（保持原有样式） ==================== */
.page-header { background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%); color: #fff; padding: 120px 0 60px; text-align: center; }
.page-header h1 { font-size: 36px; margin-bottom: 10px; }
.page-header p { font-size: 18px; opacity: 0.9; }

.category-filter { display: flex; gap: 15px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { padding: 8px 20px; border: 1px solid #ddd; border-radius: 20px; cursor: pointer; transition: all 0.3s; }
.filter-btn:hover, .filter-btn.active { background: #0066cc; color: #fff; border-color: #0066cc; }

.product-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-list-item { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.08); transition: all 0.3s; }
.product-list-item:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.product-list-link { display: block; }
.product-list-image { height: 200px; overflow: hidden; }
.product-list-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.product-list-item:hover .product-list-image img { transform: scale(1.1); }
.product-list-info { padding: 20px; }
.product-category { display: inline-block; background: #e6f0ff; color: #0066cc; padding: 4px 12px; border-radius: 12px; font-size: 12px; margin-bottom: 10px; }
.product-list-info h3 { font-size: 18px; margin-bottom: 8px; }
.product-list-info p { color: #666; font-size: 14px; }

/* ==================== 产品详情（保持原有样式） ==================== */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.product-detail-image img { width: 100%; border-radius: 8px; }
.product-category-tag { display: inline-block; background: #0066cc; color: #fff; padding: 5px 15px; border-radius: 15px; font-size: 14px; margin-bottom: 15px; }
.product-detail-info h2 { font-size: 32px; margin-bottom: 10px; }
.product-subtitle { color: #666; font-size: 18px; margin-bottom: 20px; }
.product-description { color: #555; line-height: 1.8; margin-bottom: 30px; }
.product-actions { display: flex; gap: 15px; }

/* ==================== 新闻列表（保持原有样式） ==================== */
.news-list { display: flex; flex-direction: column; gap: 30px; }
.news-item { display: flex; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.08); transition: all 0.3s; }
.news-item:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.15); transform: translateX(5px); }
.news-image { width: 300px; height: 200px; flex-shrink: 0; }
.news-image img { width: 100%; height: 100%; object-fit: cover; }
.news-content { padding: 25px; flex: 1; }
.news-category { display: inline-block; background: #e6f0ff; color: #0066cc; padding: 4px 12px; border-radius: 12px; font-size: 12px; margin-bottom: 10px; }
.news-content h3 { font-size: 20px; margin-bottom: 10px; transition: color 0.3s; }
.news-item:hover .news-content h3 { color: #0066cc; }
.news-content p { color: #666; font-size: 14px; margin-bottom: 15px; }
.news-summary { color: #666; font-size: 14px; margin-bottom: 15px; line-height: 1.6; }
.news-summary p { margin: 0 0 8px 0; }
.news-meta { display: flex; gap: 20px; color: #999; font-size: 14px; }

/* ==================== 新闻详情（保持原有样式） ==================== */
.news-article { max-width: 900px; margin: 0 auto; }
.news-article-cover { margin-bottom: 30px; }
.news-article-cover img { width: 100%; border-radius: 8px; }
.news-article-content { font-size: 16px; line-height: 2; color: #333; }
.news-article-content p { margin-bottom: 20px; }
.news-nav { display: flex; justify-content: space-between; margin-top: 50px; padding-top: 30px; border-top: 1px solid #eee; }
.news-nav-item { padding: 15px 20px; background: #f8f9fa; border-radius: 8px; transition: all 0.3s; max-width: 45%; }
.news-nav-item:hover { background: #e6f0ff; }
.news-nav-item.disabled { opacity: 0.5; cursor: not-allowed; }
.news-nav-item span { display: block; color: #999; font-size: 14px; margin-bottom: 5px; }
.news-nav-item strong { color: #333; }

/* ==================== 联系我们（保持原有样式） ==================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 30px; }
.contact-item { display: flex; gap: 20px; padding: 20px; background: #f8f9fa; border-radius: 8px; }
.contact-icon { font-size: 32px; }
.contact-text h4 { font-size: 18px; margin-bottom: 8px; }
.contact-text p { color: #666; }
.contact-form-wrapper { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
.contact-form-wrapper h3 { margin-bottom: 25px; font-size: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 15px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; transition: border-color 0.3s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #0066cc; }
.form-message { padding: 15px; border-radius: 4px; margin-top: 15px; }
.form-message.success { background: #d4edda; color: #155724; }
.form-message.error { background: #f8d7da; color: #721c24; }
.map-container { border-radius: 8px; overflow: hidden; }

/* ==================== 发展历程时间轴（保持原有样式） ==================== */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: #0066cc; }
.timeline-item { position: relative; padding-left: 40px; padding-bottom: 40px; }
.timeline-item::before { content: ''; position: absolute; left: -6px; top: 0; width: 15px; height: 15px; border-radius: 50%; background: #0066cc; border: 3px solid #fff; }
.timeline-year { font-size: 28px; color: #0066cc; font-weight: bold; margin-bottom: 10px; }
.timeline-content h4 { font-size: 18px; margin-bottom: 8px; }
.timeline-content p { color: #666; }

/* ==================== 团队成员（保持原有样式） ==================== */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.team-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.08); text-align: center; }
.team-photo { width: 150px; height: 150px; margin: 30px auto 20px; border-radius: 50%; overflow: hidden; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-info { padding: 0 20px 30px; }
.team-info h4 { font-size: 18px; margin-bottom: 5px; }
.team-position { color: #0066cc; font-size: 14px; margin-bottom: 10px; }
.team-bio { color: #666; font-size: 14px; }

/* ==================== 分页（保持原有样式） ==================== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 50px; flex-wrap: wrap; }
.pagination span { display: inline-flex; align-items: center; }
.pagination a { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px; padding: 0 14px; border: 2px solid #e8ecf0; border-radius: 12px; transition: all 0.3s; text-decoration: none; color: #555; font-size: 14px; font-weight: 500; line-height: 1; background: #fff; }
.pagination a:hover { background: #f0f6ff; color: #0066cc; border-color: #0066cc; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,102,204,0.15); }
.pagination a.active { background: linear-gradient(135deg, #0066cc 0%, #004999 100%); color: #fff; border-color: transparent; box-shadow: 0 4px 15px rgba(0,102,204,0.3); }

/* ==================== 弹窗（保持原有样式） ==================== */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 2000; display: flex; align-items: center; justify-content: center; }
.modal-content { background: #fff; padding: 30px; border-radius: 8px; max-width: 500px; width: 90%; max-height: 80vh; overflow-y: auto; position: relative; }
.modal-close { position: absolute; top: 10px; right: 15px; font-size: 28px; cursor: pointer; color: #999; }

/* ==================== 粒子动画 ==================== */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(100, 200, 255, 0.4);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}
.particle:nth-child(1) { left: 10%; animation-duration: 15s; animation-delay: 0s; width: 3px; height: 3px; }
.particle:nth-child(2) { left: 25%; animation-duration: 20s; animation-delay: 2s; width: 5px; height: 5px; }
.particle:nth-child(3) { left: 40%; animation-duration: 18s; animation-delay: 4s; }
.particle:nth-child(4) { left: 55%; animation-duration: 22s; animation-delay: 1s; width: 6px; height: 6px; }
.particle:nth-child(5) { left: 70%; animation-duration: 16s; animation-delay: 3s; width: 3px; height: 3px; }
.particle:nth-child(6) { left: 85%; animation-duration: 19s; animation-delay: 5s; }
.particle:nth-child(7) { left: 15%; animation-duration: 21s; animation-delay: 7s; width: 5px; height: 5px; }
.particle:nth-child(8) { left: 35%; animation-duration: 17s; animation-delay: 6s; }
.particle:nth-child(9) { left: 50%; animation-duration: 23s; animation-delay: 8s; width: 7px; height: 7px; background: rgba(100, 200, 255, 0.25); }
.particle:nth-child(10) { left: 65%; animation-duration: 14s; animation-delay: 2s; width: 3px; height: 3px; }
.particle:nth-child(11) { left: 80%; animation-duration: 20s; animation-delay: 9s; width: 5px; height: 5px; }
.particle:nth-child(12) { left: 92%; animation-duration: 18s; animation-delay: 4s; }
@keyframes particleFloat {
    0% { bottom: -10px; opacity: 0; transform: translateX(0); }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { bottom: 100vh; opacity: 0; transform: translateX(80px); }
}

/* ==================== 内页通用样式增强 ==================== */

/* 增强版Page Header - 与首页Hero风格呼应 */
.page-header {
    position: relative;
    background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, rgba(0, 102, 204, 0.6) 100%);
    color: #fff;
    padding: 140px 0 80px;
    text-align: center;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 150, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pageHeaderGlow 6s ease-in-out infinite alternate;
}
.page-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pageHeaderGlow 8s ease-in-out infinite alternate-reverse;
}
@keyframes pageHeaderGlow {
    0% { opacity: 0.5; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1.2); }
}
/* 面包屑导航 */
.page-header .breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.8;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}
.page-header .breadcrumb a {
    transition: color 0.3s;
}
.page-header .breadcrumb a:hover {
    color: #4da6ff;
}
.page-header .breadcrumb span {
    opacity: 0.5;
}
.page-header .news-header-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.8;
}

/* ==================== 内页Section增强 ==================== */
.section {
    padding: 80px 0;
}
.bg-light {
    background: #f8f9fa;
}

/* 时间轴增强 */
.timeline {
    position: relative;
    padding-left: 30px;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #0066cc, #0a1628);
    border-radius: 2px;
}
.timeline-item {
    position: relative;
    padding-left: 50px;
    padding-bottom: 50px;
    transition: transform 0.3s;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 19px;
    height: 19px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border: 4px solid #fff;
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}
.timeline-item:hover::before {
    transform: scale(1.3);
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.6);
}
.timeline-year {
    font-size: 32px;
    color: #0066cc;
    font-weight: 800;
    margin-bottom: 12px;
}
.timeline-content {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}
.timeline-item:hover .timeline-content {
    transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}
.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #0a1628;
}
.timeline-content p {
    color: #666;
    line-height: 1.7;
}

/* 团队卡片增强 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.team-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: transform 0.4s, box-shadow 0.4s;
}
.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}
.team-photo {
    width: 120px;
    height: 120px;
    margin: 30px auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #e6f0ff;
    transition: border-color 0.3s;
}
.team-card:hover .team-photo {
    border-color: #0066cc;
}
.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.team-card:hover .team-photo img {
    transform: scale(1.1);
}
.team-info {
    padding: 0 20px 30px;
}
.team-info h4 {
    font-size: 18px;
    margin-bottom: 6px;
    color: #0a1628;
}
.team-position {
    color: #0066cc;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}
.team-bio {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 新闻列表项增强 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.news-item {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s;
    border-left: 4px solid transparent;
}
.news-item:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-left-color: #0066cc;
    transform: translateX(8px);
}
.news-image {
    width: 280px;
    height: 200px;
    flex-shrink: 0;
    overflow: hidden;
}
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.news-item:hover .news-image img {
    transform: scale(1.08);
}
.news-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-category {
    display: inline-block;
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%);
    color: #0066cc;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
    width: fit-content;
}
.news-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #0a1628;
    transition: color 0.3s;
}
.news-item:hover .news-content h3 {
    color: #0066cc;
}
.news-summary {
    color: #666;
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}
.news-meta {
    display: flex;
    gap: 20px;
    color: #999;
    font-size: 14px;
}

/* 联系信息卡片增强 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.contact-item {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #0066cc, #0a1628);
    opacity: 0;
    transition: opacity 0.3s;
}
.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}
.contact-item:hover::before {
    opacity: 1;
}
.contact-icon {
    font-size: 36px;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%);
    border-radius: 12px;
}
.contact-text {
    flex: 1;
}
.contact-text h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #0a1628;
}
.contact-text p {
    color: #666;
    font-size: 15px;
}

/* 地图容器增强 */
.map-container {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* 新闻详情增强 */
.news-article {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.news-article-cover {
    margin-bottom: 35px;
    border-radius: 12px;
    overflow: hidden;
}
.news-article-cover img {
    width: 100%;
    border-radius: 12px;
    transition: transform 0.4s;
}
.news-article-cover:hover img {
    transform: scale(1.02);
}
.news-article-content {
    font-size: 16px;
    line-height: 2;
    color: #333;
}
.news-article-content p {
    margin-bottom: 20px;
}
.news-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
    gap: 20px;
}
.news-nav-item {
    padding: 20px 24px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s;
    flex: 1;
    max-width: 45%;
}
.news-nav-item:hover:not(.disabled) {
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.15);
}
.news-nav-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.news-nav-item span {
    display: block;
    color: #999;
    font-size: 14px;
    margin-bottom: 6px;
}
.news-nav-item strong {
    color: #333;
    font-size: 15px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-nav-item.next {
    text-align: right;
}

/* 产品列表卡片增强 */
.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.product-list-item {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s;
}
.product-list-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}
.product-list-link {
    display: block;
}
.product-list-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}
.product-list-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.product-list-item:hover .product-list-image::after {
    opacity: 1;
}
.product-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.product-list-item:hover .product-list-image img {
    transform: scale(1.08);
}
.product-list-info {
    padding: 24px;
}
.product-category {
    display: inline-block;
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%);
    color: #0066cc;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}
.product-list-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #0a1628;
    transition: color 0.3s;
}
.product-list-item:hover .product-list-info h3 {
    color: #0066cc;
}
.product-list-info p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 产品详情增强 */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.product-detail-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}
.product-detail-image img {
    width: 100%;
    border-radius: 16px;
    transition: transform 0.4s;
}
.product-detail-image:hover img {
    transform: scale(1.02);
}
.product-detail-info {
    padding: 20px 0;
}
.product-category-tag {
    display: inline-block;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    color: #fff;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}
.product-detail-info h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: #0a1628;
}
.product-subtitle {
    color: #666;
    font-size: 18px;
    margin-bottom: 24px;
}
.product-description {
    color: #555;
    line-height: 1.9;
    margin-bottom: 35px;
}
.product-actions {
    display: flex;
    gap: 16px;
}
.btn.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}
.btn.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.4);
}

/* 弹窗增强 */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 40, 0.8);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}
.modal-content {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    max-width: 520px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: #999;
    transition: color 0.3s;
    line-height: 1;
}
.modal-close:hover {
    color: #0066cc;
}
.modal-content h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #0a1628;
}

/* 表单增强 */
.form-group {
    margin-bottom: 22px;
}
.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
    font-size: 15px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8ecf0;
    border-radius: 10px;
    font-size: 15px;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: #fafbfc;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
    background: #fff;
}
.form-message {
    padding: 16px 20px;
    border-radius: 10px;
    margin-top: 20px;
    font-size: 15px;
}
.form-message.success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border: 1px solid #c3e6cb;
}
.form-message.error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.contact-form-wrapper {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}
.contact-form-wrapper h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #0a1628;
}

/* 响应式增强 */
@media (max-width: 992px) {
    .page-header {
        padding: 120px 0 60px;
    }
    .page-header h1 {
        font-size: 32px;
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .news-article {
        padding: 30px;
    }
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    .contact-icon {
        margin: 0 auto 16px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 50px;
    }
    .page-header h1 {
        font-size: 28px;
    }
    .page-header p {
        font-size: 16px;
    }
    .team-grid {
        grid-template-columns: 1fr;
    }
    .news-item {
        flex-direction: column;
    }
    .news-image {
        width: 100%;
        height: 180px;
    }
    .product-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .news-article {
        padding: 24px;
    }
    .news-nav {
        flex-direction: column;
    }
    .news-nav-item {
        max-width: 100%;
    }
    .modal-content {
        padding: 30px 24px;
    }
    .contact-form-wrapper {
        padding: 28px;
    }
}


/* ==================== 内页视觉升级 - 新增样式 ==================== */

/* ==================== 1. 内页CTA区块 ==================== */
.inner-cta-section {
    background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, rgba(0, 102, 204, 0.7) 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.inner-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 150, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: innerCtaGlow 6s ease-in-out infinite alternate;
}
.inner-cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: innerCtaGlow 8s ease-in-out infinite alternate-reverse;
}
@keyframes innerCtaGlow {
    0% { opacity: 0.5; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1.2); }
}
.inner-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.inner-cta-title {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease-out;
}
.inner-cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}
.inner-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}
.btn-inner-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: #fff;
    color: #0a1628;
    font-size: 16px;
    font-weight: 700;
    border-radius: 30px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.btn-inner-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.btn-inner-cta-primary .btn-arrow {
    font-size: 18px;
    transition: transform 0.3s;
}
.btn-inner-cta-primary:hover .btn-arrow {
    transform: translateX(4px);
}
.btn-inner-cta-secondary {
    display: inline-flex;
    align-items: center;
    padding: 16px 36px;
    background: transparent;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-inner-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ==================== 2. About页面增强 ==================== */
.about-intro-section { background: #fff; }
.about-grid-enhanced {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-image-wrapper { position: relative; }
.about-image-wrapper img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
}
.about-image-glow {
    position: absolute;
    top: -30px;
    right: -30px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}
.about-image-decoration-1 {
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    border: 3px solid rgba(0, 102, 204, 0.3);
    border-radius: 12px;
    transform: rotate(-10deg);
}
.about-image-decoration-2 {
    position: absolute;
    top: 50%;
    right: -40px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border-radius: 50%;
    opacity: 0.5;
}
.about-content .section-tag {
    text-align: left;
    display: block;
}
.about-content h2 {
    font-size: 40px;
    font-weight: 700;
    color: #0a1628;
    margin-bottom: 24px;
}
.about-quote-decoration {
    font-size: 80px;
    font-family: Georgia, serif;
    color: #0066cc;
    line-height: 0.5;
    margin-bottom: 20px;
    opacity: 0.3;
}
.about-text {
    font-size: 16px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 32px;
}
.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
/* 愿景使命横排卡片区 */
.about-features-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
}
.feature-card {
    background: linear-gradient(135deg, #f8faff 0%, #f0f5ff 100%);
    border-radius: 16px;
    padding: 32px 28px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 102, 204, 0.08);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #0066cc 0%, #00b894 100%);
    border-radius: 4px 0 0 4px;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 102, 204, 0.12);
    border-color: rgba(0, 102, 204, 0.15);
}
.feature-card-icon {
    font-size: 36px;
    margin-bottom: 16px;
}
.feature-card-body h4 {
    font-size: 18px;
    font-weight: 700;
    color: #0a1628;
    margin-bottom: 10px;
}
.feature-card-body > div {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}
.feature-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #f8faff 0%, #f0f5ff 100%);
    border-radius: 12px;
    transition: all 0.3s;
}
.feature-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.1);
}
.feature-icon { font-size: 28px; flex-shrink: 0; }
.feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0a1628;
    margin-bottom: 6px;
}
.feature-text > div {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 统计数据区 */
.stats-section {
    background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
    padding: 80px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: all 0.4s;
}
.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.stat-card .stat-icon { font-size: 40px; margin-bottom: 16px; }
.stat-card .stat-number {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    display: inline-block;
    min-width: 60px;
}
.stat-card .stat-suffix {
    font-size: 36px;
    font-weight: 700;
    color: #4da3ff;
    display: inline-block;
}
.stat-card .stat-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}
.stat-card .stat-label {
    display: block;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 12px;
}

/* 时间轴增强 */
.timeline-section { background: #f8f9fa; }
.timeline-enhanced { max-width: 900px; margin: 0 auto; }
.timeline-item-enhanced {
    position: relative;
    padding-left: 70px;
    padding-bottom: 50px;
}
.timeline-dot {
    position: absolute;
    left: -10px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border: 4px solid #fff;
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.2);
}
.timeline-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(0, 102, 204, 0.3);
    animation: timelinePulse 2s ease-in-out infinite;
}
@keyframes timelinePulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

/* 团队卡片增强 */
.team-section { background: #fff; }
.team-grid-enhanced { gap: 30px; }
.team-card-enhanced {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
}
.team-card-enhanced:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}
.team-photo-wrapper {
    position: relative;
    display: inline-block;
    margin-top: 30px;
}
.team-photo-glow {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s;
}
.team-card-enhanced:hover .team-photo-glow { opacity: 1; }
.team-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}
.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%);
    color: #0066cc;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}
.social-link:hover {
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    color: #fff;
    transform: translateY(-3px);
}

/* ==================== 3. Products页面增强 ==================== */
.service-advantages-section {
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.advantage-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.4s;
}
.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 102, 204, 0.15);
}
.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%);
    border-radius: 16px;
    transition: all 0.3s;
}
.advantage-icon svg { width: 32px; height: 32px; color: #0066cc; }
.advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
}
.advantage-card:hover .advantage-icon svg { color: #fff; }
.advantage-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #0a1628;
    margin-bottom: 12px;
}
.advantage-card p { font-size: 14px; color: #666; line-height: 1.6; }

/* 分类筛选增强 */
.category-filter-enhanced { position: relative; }
.category-filter-enhanced .filter-btn {
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: #666;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}
.category-filter-enhanced .filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border-radius: 2px;
    transition: all 0.3s;
    transform: translateX(-50%);
}
.category-filter-enhanced .filter-btn:hover,
.category-filter-enhanced .filter-btn.active { color: #0066cc; }
.category-filter-enhanced .filter-btn:hover::after,
.category-filter-enhanced .filter-btn.active::after { width: 80%; }

/* 产品卡片增强 */
.product-list-grid-enhanced .product-list-item-enhanced { position: relative; }
.product-list-item-enhanced::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, #0066cc, #004999);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}
.product-list-item-enhanced:hover::before { opacity: 1; }
.product-list-image-wrapper { position: relative; overflow: hidden; }
.product-list-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}
.product-list-item-enhanced:hover .product-list-overlay { opacity: 1; }
.view-detail-btn {
    padding: 12px 24px;
    background: #fff;
    color: #0a1628;
    font-size: 14px;
    font-weight: 600;
    border-radius: 25px;
    transform: translateY(10px);
    transition: transform 0.3s;
}
.product-list-item-enhanced:hover .view-detail-btn { transform: translateY(0); }
.product-learn-more {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #0066cc;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s;
}
.product-list-item-enhanced:hover .product-learn-more { opacity: 1; transform: translateY(0); }

/* ==================== 4. Product Detail页面增强 ==================== */
.product-detail-grid-enhanced { align-items: start; }
.product-detail-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
}
.product-detail-image-wrapper img {
    width: 100%;
    border-radius: 20px;
    transition: transform 0.4s;
}
.product-detail-image-wrapper:hover img { transform: scale(1.03); }
.product-image-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.product-image-glow-1 {
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.4) 0%, transparent 70%);
}
.product-image-glow-2 {
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.3) 0%, transparent 70%);
}
.product-detail-info-enhanced h2 { font-size: 38px; margin-bottom: 12px; }
.product-info-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    border-radius: 2px;
    margin-bottom: 24px;
}
.product-cta-area {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid #eee;
}
.btn-large { padding: 18px 40px; font-size: 17px; }

/* 相关产品横向滚动 */
.related-products-section { background: #f8f9fa; }
.related-products-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
}
.scroll-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #e8ecf0;
    color: #0066cc;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}
.scroll-btn:hover {
    background: #0066cc;
    border-color: #0066cc;
    color: #fff;
    transform: scale(1.1);
}
.related-products-scroll {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.related-products-scroll::-webkit-scrollbar { display: none; }
.related-product-card {
    flex-shrink: 0;
    width: 300px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s;
}
.related-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}
.related-product-link { display: block; }
.related-product-image { height: 180px; overflow: hidden; }
.related-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.related-product-card:hover .related-product-image img { transform: scale(1.08); }
.related-product-info { padding: 20px; }
.related-product-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0a1628;
    margin-bottom: 8px;
    transition: color 0.3s;
}
.related-product-card:hover .related-product-info h4 { color: #0066cc; }
.related-product-info p { font-size: 13px; color: #666; margin-bottom: 12px; line-height: 1.5; }
.related-product-link-text { font-size: 13px; font-weight: 600; color: #0066cc; }

/* ==================== 5. News页面增强 ==================== */
.news-list-enhanced .news-item-enhanced {
    position: relative;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    border: none;
}
.news-item-enhanced::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(to bottom, #0066cc, #0a1628);
    opacity: 0;
    transition: opacity 0.3s;
}
.news-item-enhanced:hover {
    transform: translateX(8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    border: none;
}
.news-item-enhanced:hover::before { opacity: 1; }
.news-image-wrapper { position: relative; width: 320px; flex-shrink: 0; }
.news-year-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    padding: 6px 14px;
    background: rgba(10, 22, 40, 0.85);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
}
.news-category-pill {
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    color: #fff;
}
.news-read-more {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #0066cc;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s;
}
.news-item-enhanced:hover .news-read-more { opacity: 1; transform: translateY(0); }

/* ==================== 6. News Detail页面增强 ==================== */
.news-detail-section { background: #f8f9fa; }
.news-article-enhanced {
    max-width: 850px;
    margin: 0 auto;
    background: #fff;
    padding: 0;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}
.news-article-enhanced .news-article-cover { position: relative; margin-bottom: 0; }
.news-article-enhanced .news-article-cover img { width: 100%; border-radius: 0; }
.article-cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.4) 0%, transparent 50%);
}
.news-article-body { padding: 50px 60px; }
.news-article-enhanced .news-article-content {
    font-size: 17px;
    line-height: 2.2;
    color: #333;
    max-width: 750px;
}
.news-article-enhanced .news-article-content p { margin-bottom: 24px; }
.news-article-enhanced .news-article-content blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    background: linear-gradient(135deg, #f8faff 0%, #f0f5ff 100%);
    border-left: 5px solid #0066cc;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #555;
}

/* 上下篇导航增强 */
.news-nav-enhanced {
    max-width: 850px;
    margin: 40px auto 0;
    gap: 24px;
}
.news-nav-enhanced .news-nav-item {
    position: relative;
    padding: 0;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    flex: 1;
    max-width: none;
    border: none;
    transition: all 0.4s;
}
.news-nav-enhanced .news-nav-item:hover:not(.disabled) {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.15);
}
.news-nav-enhanced .news-nav-item .nav-item-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.news-nav-enhanced .news-nav-item .nav-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #999;
    font-size: 14px;
}
.news-nav-enhanced .news-nav-item .nav-arrow { font-size: 16px; }
.news-nav-enhanced .news-nav-item strong {
    font-size: 15px;
    color: #0a1628;
    font-weight: 600;
    white-space: normal;
    line-height: 1.4;
}
.news-nav-enhanced .news-nav-item .nav-item-border {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #0066cc;
    transform: scaleY(0);
    transition: transform 0.3s;
}
.news-nav-enhanced .news-nav-item:hover:not(.disabled) .nav-item-border { transform: scaleY(1); }
.news-nav-enhanced .news-nav-item.next { text-align: right; }
.news-nav-enhanced .news-nav-item.next .nav-item-border { left: auto; right: 0; }
.news-nav-enhanced .news-nav-item.next .nav-label { justify-content: flex-end; }

/* ==================== 7. Contact页面增强 ==================== */
.contact-info-section { background: #fff; }
.contact-grid-enhanced { gap: 60px; align-items: start; }
.contact-item-enhanced { border-radius: 20px; overflow: visible; }
.contact-item-blue::before { background: linear-gradient(to bottom, #0066cc, #004999); }
.contact-item-green::before { background: linear-gradient(to bottom, #00b894, #00a381); }
.contact-item-orange::before { background: linear-gradient(to bottom, #e17055, #d35843); }
.contact-item-purple::before { background: linear-gradient(to bottom, #6c5ce7, #5a4bd7); }
.contact-icon-wrapper { position: relative; flex-shrink: 0; }
.contact-icon-bg {
    position: absolute;
    inset: 0;
    border-radius: 14px;
    opacity: 0;
    transition: opacity 0.3s;
}
.contact-item-blue .contact-icon-bg { background: linear-gradient(135deg, #e6f0ff 0%, #d4e5ff 100%); }
.contact-item-green .contact-icon-bg { background: linear-gradient(135deg, #e6fff2 0%, #d4ffe5 100%); }
.contact-item-orange .contact-icon-bg { background: linear-gradient(135deg, #fff0ed 0%, #ffe0d9 100%); }
.contact-item-purple .contact-icon-bg { background: linear-gradient(135deg, #f0edff 0%, #e0d9ff 100%); }
.contact-item-enhanced:hover .contact-icon-bg { opacity: 1; }

/* 表单区域装饰 */
.contact-form-wrapper-enhanced { position: relative; overflow: hidden; }
.form-decoration {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.form-decoration-1 {
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
}
.form-decoration-2 {
    bottom: -80px;
    left: -80px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.1) 0%, transparent 70%);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}
.btn-submit .btn-arrow {
    margin-left: 8px;
    transition: transform 0.3s;
}
.btn-submit:hover .btn-arrow { transform: translateX(4px); }
.map-section { background: #f8f9fa; }
.map-container-enhanced {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

/* ==================== 8. 数字计数器动画 ==================== */
@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.stat-number.animate { animation: countUp 0.6s ease-out forwards; }

/* ==================== 9. 响应式补充 ==================== */
@media (max-width: 1200px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid-enhanced { gap: 50px; }
}
@media (max-width: 992px) {
    .inner-cta-title { font-size: 32px; }
    .about-grid-enhanced { grid-template-columns: 1fr; gap: 40px; }
    .about-features-row { gap: 24px; margin-top: 40px; }
    .about-content h2 { font-size: 32px; }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .news-article-body { padding: 30px; }
    .contact-grid-enhanced { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .inner-cta-section { padding: 60px 0; }
    .inner-cta-title { font-size: 26px; }
    .inner-cta-desc { font-size: 16px; }
    .inner-cta-buttons { flex-direction: column; align-items: center; }
    .btn-inner-cta-primary, .btn-inner-cta-secondary { width: 100%; max-width: 280px; justify-content: center; }
    .about-content h2 { font-size: 26px; }
    .about-features-row { grid-template-columns: 1fr; gap: 20px; margin-top: 30px; }
    .feature-card { padding: 24px 20px; }
    .advantages-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .stat-card { padding: 30px 15px; }
    .stat-number { font-size: 40px; }
    .about-image-decoration-1, .about-image-decoration-2 { display: none; }
    .related-product-card { width: 260px; }
    .news-article-enhanced .news-article-content { font-size: 15px; }
    .news-nav-enhanced { flex-direction: column; }
}