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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: white;
    border-bottom: 1px solid #e0e0e0;
    padding: 20px 0;
}

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

.logo a {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
}

.header-right {
    display: flex;
    gap: 20px;
    align-items: center;
}

.search-form {
    display: flex;
}

.search-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    width: 250px;
}

.search-btn {
    padding: 8px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

.user-menu {
    display: flex;
    gap: 15px;
}

.user-menu a {
    color: #666;
    font-size: 14px;
}

/* Nav */
.main-nav {
    background: white;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 15px 0;
    color: #333;
    font-weight: 500;
}

.nav-link.bold {
    font-weight: 700;
}

.nav-link:hover {
    color: #667eea;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    min-width: 180px;
    padding: 10px 0;
    list-style: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nav-item:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: #666;
}

.dropdown-menu a:hover {
    background: #f5f5f5;
    color: #667eea;
}

/* Footer */
.site-footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0;
    margin-top: 60px;
}

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

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #bbb;
    font-size: 14px;
}

.footer-links a:hover {
    color: white;
}