/* Reset & Basic Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    max-width: 1200px;
}

a {
    text-decoration: none;
    color: #333;
}

ul {
    list-style: none;
}

/* Header */
header {
    background: #fff;
    color: #333;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #e8e8e8 3px solid;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header .logo {
    float: left;
    font-size: 24px;
    font-weight: bold;
    color: #0056b3;
}

header nav {
    float: right;
    margin-top: 5px;
}

header nav li {
    display: inline;
    padding: 0 20px;
}

header nav a:hover {
    color: #0056b3;
    font-weight: bold;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0056b3 0%, #00a8cc 100%);
    color: #fff;
    height: 400px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: #fff;
    color: #0056b3;
    padding: 10px 30px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover {
    background: #f0f0f0;
}

/* Sections */
.section {
    padding: 60px 0;
    text-align: center;
}

.section h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: #0056b3;
}

.bg-light {
    background: #fff;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.service-item {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.service-item:hover {
    transform: translateY(-5px);
}

.service-item h3 {
    margin-bottom: 15px;
    color: #333;
}

/* Contact & Footer */
.contact-info {
    margin-top: 20px;
    font-size: 18px;
}

.icp-info {
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}

.icp-info a {
    color: #666;
}

.icp-info a:hover {
    text-decoration: underline;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
}