/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0B1426;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(11, 20, 38, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(11, 20, 38, 0.95);
    box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #00D4FF;
    font-family: 'Montserrat', sans-serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00D4FF;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00D4FF, #8B5CF6);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    font-style: normal;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(11, 20, 38, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0.5rem 0 0 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #ffffff;
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 0 0.5rem;
}

.dropdown-link:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(59, 130, 246, 0.1));
    color: #00D4FF;
    transform: translateX(5px);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(0, 212, 255, 0.2);
}

.contact-btn {
    background: linear-gradient(135deg, #00D4FF, #3B82F6);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0B1426 0%, #1E3A8A 50%, #3B82F6 100%);
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
        radial-gradient(2px 2px at 40px 70px, #00D4FF, transparent),
        radial-gradient(1px 1px at 90px 40px, #ffffff, transparent),
        radial-gradient(1px 1px at 130px 80px, #8B5CF6, transparent),
        radial-gradient(2px 2px at 160px 30px, #ffffff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 20s linear infinite;
}

@keyframes sparkle {
    from { transform: translateX(0); }
    to { transform: translateX(-200px); }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="%2300D4FF" opacity="0.6"><animate attributeName="opacity" values="0.6;1;0.6" dur="3s" repeatCount="indefinite"/></circle><circle cx="80" cy="40" r="1.5" fill="%23ffffff" opacity="0.4"><animate attributeName="opacity" values="0.4;0.8;0.4" dur="4s" repeatCount="indefinite"/></circle><circle cx="40" cy="80" r="1" fill="%238B5CF6" opacity="0.5"><animate attributeName="opacity" values="0.5;1;0.5" dur="2s" repeatCount="indefinite"/></circle></svg>') repeat;
    animation: float 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    z-index: 2;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #00D4FF, #8B5CF6, #F59E0B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.8)); }
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #E5E7EB;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #00D4FF, #3B82F6);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #00D4FF;
    border: 2px solid #00D4FF;
}

.btn-secondary:hover {
    background: #00D4FF;
    color: #0B1426;
    transform: translateY(-3px);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-constellation {
    position: relative;
    width: 400px;
    height: 400px;
}

.service-node {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid #00D4FF;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.service-node:hover {
    transform: scale(1.1);
    background: rgba(0, 212, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.service-node:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.service-node:nth-child(2) { top: 25%; right: 0; }
.service-node:nth-child(3) { bottom: 25%; right: 0; }
.service-node:nth-child(4) { bottom: 0; left: 50%; transform: translateX(-50%); }
.service-node:nth-child(5) { bottom: 25%; left: 0; }
.service-node:nth-child(6) { top: 25%; left: 0; }

.node-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.node-label {
    font-size: 0.75rem;
    text-align: center;
    color: #00D4FF;
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid #00D4FF;
    border-bottom: 2px solid #00D4FF;
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
    40% { transform: rotate(45deg) translateY(-10px); }
    60% { transform: rotate(45deg) translateY(-5px); }
}

/* 通用区域样式 */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00D4FF, #8B5CF6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Montserrat', sans-serif;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #E5E7EB;
    opacity: 0.8;
}

/* 核心业务区域样式 */
.services {
    background: linear-gradient(135deg, #1E3A8A 0%, #0B1426 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
    border-color: #00D4FF;
}

.card-icon {
    width: 100%;
    height: 200px;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    overflow: hidden;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-img {
    transform: scale(1.05);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00D4FF;
}

.card-description {
    color: #E5E7EB;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    background: rgba(0, 212, 255, 0.2);
    color: #00D4FF;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* 公司优势区域样式 */
.advantages {
    background: #0B1426;
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.advantage-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #00D4FF, #8B5CF6);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #00D4FF;
}

.advantage-text p {
    color: #E5E7EB;
    line-height: 1.6;
}

.stats-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #00D4FF;
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
}

.stat-label {
    color: #E5E7EB;
    font-weight: 500;
}

/* 关于我们区域样式 */
.about {
    background: linear-gradient(135deg, #1E3A8A 0%, #0B1426 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #00D4FF;
}

.about-text p {
    color: #E5E7EB;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.company-info {
    margin-top: 2rem;
}

.info-item {
    margin-bottom: 1rem;
    color: #E5E7EB;
}

.info-item strong {
    color: #00D4FF;
}

.about-images {
    position: relative;
}

.about-img {
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.main-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.secondary-img {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 150px;
    object-fit: cover;
    border: 3px solid #0B1426;
}

/* 成功案例区域样式 */
.cases {
    background: #0B1426;
}

.cases-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.case-card {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.case-card.active {
    display: block;
}

.case-image {
    height: 300px;
    overflow: hidden;
}

.case-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-img {
    transform: scale(1.05);
}

.case-content {
    padding: 2rem;
}

.case-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00D4FF;
}

.case-description {
    color: #E5E7EB;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.case-tags {
    display: flex;
    gap: 0.5rem;
}

.case-tag {
    background: rgba(139, 92, 246, 0.2);
    color: #8B5CF6;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 500;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
}

.slider-btn {
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid #00D4FF;
    color: #00D4FF;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: #00D4FF;
    color: #0B1426;
}

.slider-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #00D4FF;
}

/* 新闻动态区域样式 */
.news {
    background: linear-gradient(135deg, #1E3A8A 0%, #0B1426 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-img {
    transform: scale(1.05);
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.news-date {
    color: #E5E7EB;
    font-size: 0.875rem;
}

.news-category {
    background: rgba(245, 158, 11, 0.2);
    color: #F59E0B;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 500;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.news-excerpt {
    color: #E5E7EB;
    line-height: 1.6;
}

/* 联系我们区域样式 */
.contact {
    background: #0B1426;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-card {
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00D4FF;
}

.contact-card p {
    color: #E5E7EB;
    line-height: 1.6;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #00D4FF;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #00D4FF;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1E3A8A 0%, #0B1426 100%);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00D4FF;
}

.footer-description {
    color: #E5E7EB;
    line-height: 1.6;
    margin-top: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #E5E7EB;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00D4FF;
}

.footer-contact p {
    color: #E5E7EB;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    color: #E5E7EB;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(11, 20, 38, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(10px);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    /* 移动设备下拉菜单样式 */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(0, 212, 255, 0.05);
        backdrop-filter: none;
        border: none;
        box-shadow: none;
        min-width: auto;
        padding: 0;
        margin: 0.5rem 0;
        border-radius: 8px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown:hover .dropdown-menu,
    .dropdown.active .dropdown-menu {
        max-height: 300px;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown-link {
        padding: 0.5rem 1rem;
        margin: 0;
        border-radius: 4px;
        font-size: 0.9rem;
    }
    
    .dropdown-link:hover {
        transform: none;
        background: rgba(0, 212, 255, 0.1);
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .service-constellation {
        width: 300px;
        height: 300px;
    }
    
    .service-node {
        width: 60px;
        height: 60px;
    }
    
    .node-icon {
        font-size: 1.2rem;
    }
    
    .node-label {
        font-size: 0.6rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .secondary-img {
        position: static;
        width: 100%;
        height: 200px;
        margin-top: 1rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        text-align: center;
    }
    
    .service-constellation {
        width: 250px;
        height: 250px;
    }
    
    .service-node {
        width: 50px;
        height: 50px;
    }
    
    .node-icon {
        font-size: 1rem;
    }
    
    .node-label {
        font-size: 0.5rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0B1426;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #00D4FF, #8B5CF6);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #8B5CF6, #00D4FF);
}

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