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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 顶部公司名称 */
header {
    background: white;
    padding: 50px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.logo {
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
}

header h1 {
    font-size: 48px;
    margin: 0;
    font-weight: 700;
    color: #2563eb;
}

header p {
    font-size: 16px;
    color: #2563eb;
}

/* 中间公司介绍 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    width: 100%;
    flex: 1;
}

.intro-section {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.intro-section h2 {
    color: #667eea;
    font-size: 32px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
    padding-left: 15px;
}

.intro-section p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
    color: #555;
}

/* 底部备案信息 */
footer {
    background: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
    border-top: 1px solid #34495e;
}

footer p {
    margin: 8px 0;
    font-size: 14px;
}

footer .beian {
    color: #95a5a6;
    font-size: 12px;
}

footer a {
    color: #3498db;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}