* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
}

:root {
    --primary-dark: #0a1929;
    --secondary-dark: #132f4c;
    --primary-color: #3399ff;
    --primary-light: #66b2ff;
    --accent-color: #00c8ff;
    --light-gray: #e0e0e0;
    --dark-gray: #333;
    --white: #fff;
    --darker-bg: #071426;
    --card-bg: rgba(19, 47, 76, 0.5);
    --text-white: #ffffff;
    --border-color: rgba(51, 153, 255, 0.2);
    --gradient-primary: linear-gradient(135deg, #3399ff, #00c8ff);
    --box-shadow: 0 8px 20px rgba(0, 200, 255, 0.2);
}

body {
    background: var(--primary-dark);
    color: var(--white);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header.pageHeader {
    background: rgba(10, 25, 41, 0.95);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

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

.logo {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 900;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo i {
    margin-right: 8px;
    color: var(--accent-color);
}

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

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    position: relative;
}

.hero::before{
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: url('../images/banner.png') center center no-repeat;
    background-size: 100% auto;
    overflow: hidden;
}

.hero::after{
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    background-color: rgba(10, 25, 41, 0.85);
    background-size: 100% auto;
    overflow: hidden;
}

.hero .container{
    position: relative;
    z-index: 3;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 25px;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.hero p {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--light-gray);
}

.cta-button {
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 700;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(51, 153, 255, 0.4);
}

.cta-button:hover {
    background: linear-gradient(135deg, #00c8ff, #3399ff);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(51, 153, 255, 0.6);
}

/* Services Section */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin: 40px 0 20px;
    color: var(--primary-color);
    position: relative;
}

/* .section-title:after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--primary-orange);
    margin: 15px auto;
} */

.section-subtitle {
    text-align: center;
    color: var(--light-gray);
    margin-bottom: 50px;
    font-size: 1.2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.service-card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Industries Section */
.industries {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--darker-bg) 100%);
    padding: 80px 0;
    margin: 50px 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.industry-item {
    background: rgba(51, 153, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.industry-item:hover {
    transform: scale(1.05);
    background: rgba(51, 153, 255, 0.2);
}

.industry-item h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--secondary-dark);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.img-placeholder {
    height: 200px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.stats {
    padding: 60px 0;
    background: var(--darker-bg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Platform Section */
.platforms {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--secondary-dark) 100%);
}

.platform-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.platform-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.platform-logo:hover {
    transform: translateY(-10px);
    background: rgba(51, 153, 255, 0.2);
    box-shadow: var(--box-shadow);
}

/* Footer */
footer {
    padding: 40px 0;
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.social-icons {
    display: flex;
    gap: 20px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--light-gray);
}

/* Responsive */
@media (max-width: 768px) {
    .about {
        padding: 40px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}