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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #1A1A2E;
    color: #fff;
    line-height: 1.7;
}

.top-bar {
    background: linear-gradient(90deg, #E74C3C, #3498DB);
    padding: 12px 20px;
    text-align: center;
    font-size: 14px;
}

.navbar {
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(10px);
    padding: 25px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid #E74C3C;
}

.navbar-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, #E74C3C, #3498DB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #E74C3C, #3498DB);
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: #E74C3C;
}

.banner {
    background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
    padding: 150px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(231,76,60,0.1) 0%, transparent 60%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.banner h1 {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #E74C3C, #3498DB, #E74C3C);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient 3s ease infinite;
}

@keyframes gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.banner p {
    font-size: 22px;
    max-width: 750px;
    margin: 0 auto 45px;
    opacity: 0.9;
    line-height: 1.8;
}

.banner-btn {
    display: inline-block;
    background: linear-gradient(135deg, #E74C3C, #3498DB);
    color: white;
    padding: 20px 60px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.4s;
    border: none;
    cursor: pointer;
}

.banner-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(231,76,60,0.4);
}

.main-section {
    padding: 120px 20px;
}

.section-dark {
    background: #16213E;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #E74C3C, #3498DB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
}

.cards-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: linear-gradient(145deg, #1A1A2E, #16213E);
    border: 1px solid rgba(231,76,60,0.2);
    border-radius: 12px;
    padding: 40px 30px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #E74C3C, #3498DB);
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(231,76,60,0.5);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card-icon {
    font-size: 64px;
    margin-bottom: 25px;
}

.card h3 {
    font-size: 24px;
    margin-bottom: 18px;
    color: #E74C3C;
}

.card p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.about-text {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 20px;
    line-height: 2;
    color: rgba(255,255,255,0.8);
}

.news-cards {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 35px;
}

.news-card {
    background: linear-gradient(145deg, #1A1A2E, #16213E);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s;
    border: 1px solid rgba(52,152,219,0.2);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.news-thumb {
    height: 220px;
    background: linear-gradient(135deg, #E74C3C, #3498DB);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 70px;
}

.news-body {
    padding: 35px;
}

.news-body h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #3498DB;
}

.news-body p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 15px;
    line-height: 1.7;
}

.news-meta {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.footer-main {
    background: linear-gradient(135deg, #0F0F1A, #1A1A2E);
    padding: 80px 20px 40px;
    border-top: 3px solid #E74C3C;
}

.footer-inner {
    max-width: 1300px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    font-size: 20px;
    margin-bottom: 25px;
    color: #E74C3C;
}

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

.footer-col a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: #3498DB;
}

.footer-bottom {
    text-align: center;
    padding-top: 35px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
}

@media (max-width: 768px) {
    .navbar-inner {
        flex-direction: column;
        gap: 20px;
    }
    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .banner h1 {
        font-size: 40px;
    }
    .section-header h2 {
        font-size: 36px;
    }
}