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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #1e88e5;
    color: #fff;
}

.btn-primary:hover {
    background-color: #1976d2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.3);
}

.btn-secondary {
    background-color: #fff;
    color: #1e88e5;
    border: 2px solid #1e88e5;
}

.btn-secondary:hover {
    background-color: #f0f7ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.2);
}

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.logo h1 {
    color: #1e88e5;
    font-size: 24px;
    font-weight: 700;
}

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

.nav-links a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #1e88e5;
}

.nav-buttons {
    display: flex;
    gap: 15px;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #1e88e5 0%, #42a5f5 100%);
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-search {
    display: flex;
    max-width: 700px;
    margin: 0 auto 60px;
    gap: 10px;
}

.hero-search input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    outline: none;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* 服务项目样式 */
.services {
    padding: 80px 0;
    background-color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: #666;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-item {
    background-color: #f8f9fa;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #1e88e5;
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: #1e88e5;
}

.service-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

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

/* 特色优势样式 */
.advantages {
    padding: 80px 0;
    background-color: #f5f7fa;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-item {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.advantage-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 60px;
    height: 60px;
    background-color: #1e88e5;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}

.advantage-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 20px 0 15px;
    color: #333;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
}

/* 合作企业样式 */
.companies {
    padding: 80px 0;
    background-color: #fff;
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
    justify-items: center;
}

.company-item {
    width: 150px;
    height: 80px;
    background-color: #f8f9fa;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.company-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: #1e88e5;
    color: #1e88e5;
}

/* 求职指南样式 */
.guide {
    padding: 80px 0;
    background-color: #f5f7fa;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.guide-item {
    background-color: #fff;
    padding: 35px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.guide-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.guide-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.guide-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.guide-link {
    color: #1e88e5;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.guide-link:hover {
    text-decoration: underline;
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
    background-color: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 16px;
    color: #333;
}

.contact-icon {
    font-size: 24px;
    color: #1e88e5;
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-family: 'Arial', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e88e5;
    box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

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

.footer-logo h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1e88e5;
    margin-bottom: 15px;
}

.footer-logo p {
    color: #999;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #1e88e5;
}

.footer-social h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: inline-block;
    padding: 10px 15px;
    background-color: #444;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.qr-codes {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.qr-code-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.qr-code-item img {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.qr-code-item p {
    color: #999;
    font-size: 14px;
    margin: 0;
}

.social-icons a:hover {
    background-color: #1e88e5;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    color: #999;
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

/* 友情链接样式 */
.friend-links {
    background-color: #f5f7fa;
    padding: 40px 0;
    border-bottom: 1px solid #e0e0e0;
}

.friend-links h3 {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 30px;
}

.friend-links-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.friend-links-content a {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    padding: 8px 16px;
    border-radius: 20px;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.friend-links-content a:hover {
    color: #1e88e5;
    border-color: #1e88e5;
    background-color: #f0f7ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.15);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h2 {
        font-size: 36px;
    }

    .hero-search {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .services-grid,
    .advantages-grid,
    .companies-grid,
    .guide-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 滚动到顶部按钮 */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #1e88e5;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: #1976d2;
    transform: translateY(-5px);
}