body {
    font-family: sans-serif;
    margin: 0;
    background-color: #f8f9fa;
}

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

header {
    width: 100%;
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
}

.header-top, .header-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.search-bar {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 25px;
    padding: 5px 10px;
}

.search-bar input {
    border: none;
    outline: none;
    width: 300px;
}

.search-bar button {
    border: none;
    background: none;
    cursor: pointer;
}

.top-nav a {
    margin-left: 15px;
    font-size: 14px;
    color: #555;
}

.menu-btn {
    font-size: 24px;
    cursor: pointer;
}

.main-nav {
    display: flex;
    gap: 20px;
}

.main-nav a {
    font-size: 18px;
    font-weight: bold;
}

.user-actions button {
    border: 1px solid #ccc;
    border-radius: 20px;
    padding: 8px 15px;
    cursor: pointer;
    background-color: #fff;
}

.user-actions .login {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

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

.content-top{
    display: flex;
    margin-bottom: 20px;
    gap: 20px;
}
.content-top .banner{
    width: auto;
    min-width: 490px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}

.banner img {
    width: 100%;
    border-radius: 8px;
}

.content-area {
    display: flex;
    gap: 20px;
}

.main-content {
    flex: 3;
}

.sidebar {
    flex: 1;
}

h2 {
    margin-top: 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.card-logo {
    font-size: 18px;
    font-weight: bold;
}

.star {
    font-size: 20px;
    color: #ccc;
}

.card-body .company-name {
    font-size: 12px;
    color: #777;
}

.card-body .title {
    font-weight: bold;
    margin: 5px 0;
}

.card-body .location, .card-body .salary {
    font-size: 12px;
    color: #555;
}

.card-footer {
    align-self: flex-end;
    margin-top: 10px;
}

.card-footer button {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid #ccc;
    background-color: #f0f0f0;
    font-size: 18px;
    cursor: pointer;
}

.info-box {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
}

.info-box h3 {
    margin-top: 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.info-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex-direction: column;
}

.info-box ul li {
    font-size: 14px;
}

.notice-box{
    flex:1;
    width: 30%;
}
.ad-box {
    background-color: #e9f5ff;
    text-align: center;
    padding: 20px;
    font-weight: bold;
}