* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Malgun Gothic', sans-serif; color: #333; }
header { background: #1a3a6b; color: white; padding: 15px 0; }
header .inner { max-width: 1100px; margin: 0 auto; padding: 0 20px;
    display: flex; justify-content: space-between; align-items: center; }
header h1 { font-size: 24px; }
nav a { color: white; text-decoration: none; margin-left: 25px; font-size: 15px; }
nav a:hover { text-decoration: underline; }
.hero { background: linear-gradient(135deg, #1a3a6b, #2e6db4);
    color: white; text-align: center; padding: 100px 20px; }
.hero h2 { font-size: 10px; margin-bottom: 15px; }
.hero p { font-size: 18px; opacity: 0.9; }
.section { max-width: 1600px; margin: 40px auto; padding: 0 20px; }
.section h2 { font-size: 28px; border-left: 5px solid #1a3a6b;
    padding-left: 15px; margin-bottom: 20px; }
.cards { display: flex; gap: 20px; flex-wrap: wrap; border-left: 25px solid white;}
.card { flex: 1; min-width: 300px; background: #e8f4fd;
    border-radius: 8px; padding: 20px; text-align: left; }
.card h3 { color: #1a3a6b; margin-bottom: 10px; font-size: 20px; }
table { width: 100%; border-collapse: collapse; }
table th { background: #1a3a6b; color: white; padding: 12px; text-align: left; }
table td { padding: 12px; border-bottom: 1px solid #ddd; }
table tr:hover td { background: #f0f4ff; }
table a { color: #1a3a6b; text-decoration: none; }
form input, form textarea { width: 100%; padding: 10px;
    margin-bottom: 15px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
form textarea { height: 150px; resize: vertical; }
form button { background: #1a3a6b; color: white; padding: 12px 30px;
    border: none; border-radius: 4px; cursor: pointer; font-size: 16px; }
form button:hover { background: #2e6db4; }
.alert { padding: 12px; background: #d4edda; color: #155724;
    border-radius: 4px; margin-bottom: 20px; }
footer { background: #222; color: #aaa; text-align: center; padding: 30px; margin-top: 80px; }

/* 고객사 로고 섹션 */
.logo-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}
.logo-section h2 {
    font-size: 28px;
    border-left: 5px solid #1a3a6b;
    padding-left: 15px;
    margin-bottom: 30px;
    text-align: left;
}
.logo-wrap {
    display: flex;
    border-left: 25px solid white;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: left;
    align-items: center;
}
.logo-box {
    width: 180px;
    height: 100px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.logo-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.logo-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 15px;
}