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

body {
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 32px;
    font-weight: bold;
    color: #e94560;
    text-decoration: none;
    letter-spacing: 2px;
}

.logo span {
    color: #fff;
}

nav {
    position: relative;
}

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

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav a:hover,
nav a.active {
    background-color: #e94560;
    color: #fff;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: 5px;
}

.overlay {
    display: none;
}

.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    padding: 180px 0 120px;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 3px;
}

.hero p {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: #e94560;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid #e94560;
}

.btn:hover {
    background-color: transparent;
    color: #e94560;
}

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 42px;
    color: #1a1a2e;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #e94560;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1a1a2e;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.about-text p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-item {
    background: linear-gradient(135deg, #e94560 0%, #ff6b6b 100%);
    color: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.stat-item h4 {
    font-size: 36px;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 16px;
    opacity: 0.9;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: #e94560;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.news-content p {
    color: #666;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 35px;
    border-radius: 10px;
    border-left: 4px solid #e94560;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-left-color: #1a1a2e;
    transform: translateX(5px);
}

.service-card h3 {
    font-size: 22px;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: #666;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.service-card li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #e94560;
}

.contact-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
}

.contact-section .section-title h2,
.contact-section .section-title p {
    color: #fff;
}

.contact-section .section-title p {
    opacity: 0.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: #e94560;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 24px;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    opacity: 0.8;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 10px;
}

.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 rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 16px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background-color: #e94560;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background-color: #ff6b6b;
}

footer {
    background: #0f0f1a;
    color: #fff;
    padding: 40px 0 20px;
    text-align: center;
}

footer p {
    opacity: 0.7;
    margin-bottom: 10px;
}

main {
    padding-top: 100px;
}

@media (max-width: 1024px) {
    .hero h1 {
        font-size: 48px;
    }
    
    .hero p {
        font-size: 22px;
    }
    
    .section-title h2 {
        font-size: 36px;
    }
    
    .features,
    .news-grid,
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header {
        padding: 15px 0;
    }
    
    .header-content {
        position: relative;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .mobile-menu-btn {
        display: block;
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: #fff;
        font-size: 28px;
        cursor: pointer;
        z-index: 1001;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    nav.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        gap: 5px;
    }
    
    nav a {
        display: block;
        padding: 15px 20px;
        font-size: 16px;
        border-radius: 8px;
        text-align: center;
    }
    
    .overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .overlay.active {
        display: block;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero h1 {
        font-size: 32px;
        letter-spacing: 2px;
    }
    
    .hero p {
        font-size: 18px;
        margin-bottom: 30px;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 16px;
    }
    
    section {
        padding: 50px 0;
    }
    
    .section-title {
        margin-bottom: 40px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .section-title p {
        font-size: 16px;
    }
    
    .features,
    .news-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card,
    .service-card {
        padding: 25px 20px;
    }
    
    .feature-icon {
        font-size: 40px;
    }
    
    .feature-card h3,
    .service-card h3 {
        font-size: 20px;
    }
    
    .feature-card p,
    .service-card li {
        font-size: 14px;
    }
    
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-text h3 {
        font-size: 22px;
    }
    
    .about-text p {
        font-size: 15px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    .stat-item h4 {
        font-size: 28px;
    }
    
    .stat-item p {
        font-size: 14px;
    }
    
    .news-card {
        margin-bottom: 0;
    }
    
    .news-image {
        height: 160px;
        font-size: 40px;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-content h3 {
        font-size: 18px;
    }
    
    .news-content p {
        font-size: 14px;
    }
    
    .contact-info h3 {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 20px;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
        margin-right: 0;
        margin-bottom: 10px;
        font-size: 20px;
    }
    
    .contact-item h4 {
        font-size: 16px;
    }
    
    .contact-item p {
        font-size: 14px;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .btn-submit {
        padding: 12px;
        font-size: 16px;
    }
    
    footer {
        padding: 30px 0 15px;
    }
    
    footer p {
        font-size: 14px;
    }
    
    main {
        padding-top: 80px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 20px;
    }
    
    .hero h1 {
        font-size: 26px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 14px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .section-title p {
        font-size: 14px;
    }
    
    .feature-card,
    .service-card {
        padding: 20px 15px;
    }
    
    .feature-icon {
        font-size: 36px;
    }
    
    .feature-card h3,
    .service-card h3 {
        font-size: 18px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item h4 {
        font-size: 32px;
    }
    
    .news-image {
        height: 140px;
        font-size: 36px;
    }
    
    .contact-form {
        padding: 20px 15px;
    }
}