:root {
    --primary: #ff5f0f;
    --secondary: #ff5f0f;
    --accent: #ff6b00;
    --light: #f5f9ff;
    --dark: #333;
    --gray: #666;
    --light-gray: #e9ecef;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    --transition: all 0.3s ease;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--dark);
    background-color: #f9fbfd;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 15px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
}

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

.nav-menu li {
    margin: 0 15px;
    position: relative;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 5px;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url('../images/9_20250624161330A027.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.btn:hover {
    background: #e55e00;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* 业务部分 */
.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--secondary);
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    max-width: 800px;
    margin: 20px auto 0;
    font-size: 1.1rem;
}

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.service-img {
    height: 200px;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img img {
    transform: scale(1.1);
}

.service-content {
    padding: 25px;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.service-content p {
    color: var(--gray);
    margin-bottom: 20px;
}

/* 关于部分 */
.about {
    background: var(--light);
}

.about-content {
    display: flex;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

.about-features {
    margin-top: 30px;
}

.feature {
    display: flex;
    margin-bottom: 20px;
}

.feature i {
    color: var(--accent);
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.about-img {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-img img {
    width: 100%;
    display: block;
}

/* 新闻部分 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.news-img {
    height: 200px;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

.news-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.news-content p {
    color: var(--gray);
    margin-bottom: 20px;
}

/* 加入我们部分 */
.join-us {
    background: var(--light);
}

.careers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.career-card {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.career-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.career-icon {
    width: 80px;
    height: 80px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--accent);
    font-size: 2rem;
}

.career-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

/* 联系部分 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-icon {
    background: var(--light);
    color: var(--accent);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 109, 204, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* 页脚 */
footer {
    background: var(--secondary);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
}

.footer-about p {
    margin-bottom: 20px;
    color: rgba(255,255,255,0.8);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

/*.footer-links a:hover {*/
/*    color: var(--accent);*/
/*    padding-left: 5px;*/
/*}*/

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}