/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-outline:hover {
    background-color: #007bff;
    color: white;
}

/* 导航栏 */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 24px;
    color: #007bff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo .tagline {
    font-size: 12px;
    color: #666;
    margin-left: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #007bff;
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.search-box {
    display: flex;
    max-width: 800px;
    margin: 0 auto 50px;
    background: white;
    border-radius: 10px;
    padding: 5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.search-box input,
.search-box select {
    flex: 1;
    padding: 15px;
    border: none;
    font-size: 16px;
    outline: none;
}

.search-box select {
    border-left: 1px solid #eee;
    border-right: 1px solid #eee;
    max-width: 150px;
}

.search-box button {
    padding: 15px 30px;
    font-size: 16px;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.stat-item h3 {
    font-size: 36px;
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 16px;
    opacity: 0.8;
}

/* 通用区域样式 */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

.bg-light {
    background-color: #f8f9fa;
}

/* 职位卡片 */
.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.job-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.job-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.job-header h3 {
    font-size: 20px;
    color: #333;
}

.salary {
    color: #ff6b35;
    font-weight: 700;
    font-size: 18px;
}

.company-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
    margin-bottom: 15px;
}

.job-details p {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: #666;
    font-size: 14px;
}

.job-card .btn {
    width: 100%;
    margin-top: 20px;
}

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.service-icon {
    font-size: 48px;
    color: #007bff;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* 关于我们 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.about-text ul {
    list-style: none;
    margin-top: 20px;
}

.about-text li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.about-text li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

.about-image {
    text-align: center;
}

.image-placeholder {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 10px;
    padding: 60px 40px;
    color: white;
}

.image-placeholder i {
    font-size: 80px;
    margin-bottom: 20px;
}

.image-placeholder p {
    font-size: 20px;
    font-weight: 500;
}

/* 页脚 */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section h3 {
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #007bff;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 18px;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #007bff;
}

.app-download {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.app-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.app-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.app-btn i {
    font-size: 24px;
}

.app-btn div {
    display: flex;
    flex-direction: column;
}

.app-btn span {
    font-weight: 500;
}

.app-btn small {
    font-size: 12px;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h2 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .search-box {
        flex-direction: column;
        gap: 10px;
        padding: 20px;
    }
    
    .search-box input,
    .search-box select,
    .search-box button {
        width: 100%;
    }
    
    .stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
}