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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

/* 添加全局动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 大气背景纹理 */
.bg-pattern {
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,140,66,0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,107,53,0.1) 0%, transparent 50%);
    background-size: 100px 100px, 150px 150px;
    background-position: 0 0, 50px 50px;
}

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

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    padding: 0.6rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(255,140,66,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.3rem 1rem;
    border-radius: 5px;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255,255,255,0.2);
    color: white;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 50%, #ff5722 100%);
    color: white;
    text-align: center;
    padding: 140px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff5722 0%, #ff7043 100%);
    color: white;
    padding: 1.2rem 3rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255,87,34,0.4);
    position: relative;
    z-index: 1;
    border: 2px solid rgba(255,255,255,0.2);
}

.cta-button:hover {
    background: linear-gradient(135deg, #e64a19 0%, #ff5722 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(255,87,34,0.6);
    border-color: rgba(255,255,255,0.4);
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 50%, #ff5722 100%);
    color: white;
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.2;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
}

.breadcrumb {
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 通用样式 */
section {
    padding: 80px 0;
}

h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 900;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
}

/* KOL展示 */
.kol-showcase {
    background: white;
    position: relative;
}

.kol-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255,140,66,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,107,53,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.kol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.kol-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,140,66,0.1);
}

.kol-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.kol-card:hover::before {
    transform: scaleX(1);
}

.kol-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255,140,66,0.15);
    border-color: rgba(255,140,66,0.3);
}

.kol-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 25px rgba(255,140,66,0.3);
    border: 3px solid rgba(255,255,255,0.2);
}

.kol-avatar i {
    font-size: 2.5rem;
    color: white;
}

.kol-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.kol-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.kol-stats {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
}

.stat {
    font-size: 1rem;
    color: #333;
}

.stat strong {
    color: #ff6b35;
    font-size: 1.2rem;
    font-weight: 700;
}

/* 业务介绍 */
.business-intro {
    background: #f8f9fa;
    position: relative;
}

.business-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255,140,66,0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255,107,53,0.08) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: #ff6b35;
    margin-bottom: 0.8rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.stat-label {
    color: #666;
    font-size: 1rem;
}

.business-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.business-type {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.business-type:hover {
    transform: translateY(-5px);
}

.business-type i {
    font-size: 3.5rem;
    color: #ff6b35;
    margin-bottom: 1.5rem;
}

.business-type h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.business-type p {
    color: #666;
}

/* 案例展示 */
.cases-showcase {
    background: white;
    position: relative;
}

.cases-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255,140,66,0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,107,53,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.cases-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-button {
    background: #f8f9fa;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tab-button.active,
.tab-button:hover {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,140,66,0.3);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(255,140,66,0.1);
}

.case-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255,140,66,0.15);
    border-color: rgba(255,140,66,0.3);
}

.case-image {
    height: 220px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.2;
}

.case-image i {
    font-size: 3rem;
    color: white;
}

.case-content {
    padding: 2rem;
}

.case-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.case-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.case-tags {
    margin-bottom: 1.5rem;
}

.tag {
    display: inline-block;
    background: #f0f0f0;
    color: #666;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.case-link {
    display: inline-block;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,140,66,0.3);
}

.case-link:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #ff5722 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,140,66,0.4);
}

/* 合作伙伴 */
.partners {
    background: #f8f9fa;
    position: relative;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255,140,66,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,107,53,0.08) 0%, transparent 50%);
    pointer-events: none;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.partner-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    font-weight: 500;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

.partner-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.partner-item img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    display: block;
}

.partner-item a {
    display: block;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

.footer-section p {
    margin-bottom: 0.5rem;
    color: #bdc3c7;
}

.footer-section i {
    margin-right: 0.5rem;
    color: #ff6b35;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    color: #bdc3c7;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #ff6b35;
}

.social-link i {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #95a5a6;
}

/* KOL页面特定样式 */
.kol-categories {
    background: white;
    padding: 2rem 0;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.category-tab {
    background: #f8f9fa;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.category-tab.active,
.category-tab:hover {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,140,66,0.3);
}

.kol-section {
    display: none;
    background: white;
}

.kol-section.active {
    display: block;
}

/* 招聘页面特定样式 */
.company-intro {
    background: white;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-text h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.intro-text p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* 关于我们页面的公司简介居中 */
.about-intro {
    text-align: center;
}
.about-intro .intro-text {
    text-align: center;
}

.about-intro .intro-text h2 {
    text-align: center;
}

.about-intro .intro-text p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

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

.intro-image i {
    font-size: 10rem;
    color: #ff6b35;
    opacity: 0.2;
}

.job-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: #f8f9fa;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,140,66,0.3);
}

.jobs-list {
    display: grid;
    gap: 2rem;
}

.job-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(255,140,66,0.1);
    position: relative;
    overflow: hidden;
}

.job-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.job-card:hover::before {
    transform: scaleX(1);
}

.job-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255,140,66,0.15);
    border-color: rgba(255,140,66,0.3);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.job-header h3 {
    font-size: 1.5rem;
    color: #333;
}

.job-type {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255,140,66,0.3);
}

.job-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.job-info p {
    color: #666;
    display: flex;
    align-items: center;
}

.job-info i {
    margin-right: 0.5rem;
    color: #ff6b35;
}

.job-description h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.job-description ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.job-description li {
    color: #666;
    margin-bottom: 0.3rem;
}

.apply-btn {
    display: inline-block;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,140,66,0.3);
}

.apply-btn:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #ff5722 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,140,66,0.4);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-item i {
    font-size: 3rem;
    color: #ff6b35;
    margin-bottom: 1.5rem;
}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.benefit-item p {
    color: #666;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.contact-item p {
    color: #666;
}

/* 关于我们页面特定样式 */
.about-intro {
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 25px rgba(255,140,66,0.3);
    border: 3px solid rgba(255,255,255,0.2);
}

.advantage-icon i {
    font-size: 2rem;
    color: white;
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

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

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #ff8c42, #ff6b35, #ff5722);
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(255,140,66,0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 25px;
    font-weight: bold;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(255,140,66,0.3);
    border: 2px solid rgba(255,255,255,0.2);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin: 0 2rem;
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.culture-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-5px);
}

.culture-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 25px rgba(255,140,66,0.3);
    border: 3px solid rgba(255,255,255,0.2);
}

.culture-icon i {
    font-size: 2rem;
    color: white;
}

.culture-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 25px rgba(255,140,66,0.3);
    border: 3px solid rgba(255,255,255,0.2);
}

.contact-icon i {
    font-size: 2rem;
    color: white;
}

.contact-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.contact-item p {
    color: #666;
}

/* 增强的视觉效果 */
.container {
    position: relative;
    z-index: 1;
}

/* 添加滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #ff8c42 0%, #ff6b35 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #ff5722 100%);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: #667eea;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .intro-text h2 {
        text-align: center;
    }

    .company-stats {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 50px;
    }

    .timeline-date {
        margin-bottom: 1rem;
    }

    .timeline-content {
        margin: 0;
        width: 100%;
    }

    .job-info {
        flex-direction: column;
        gap: 1rem;
    }

    .cases-tabs,
    .category-tabs,
    .job-filters {
        flex-direction: column;
        align-items: center;
    }

    .tab-button,
    .category-tab,
    .filter-btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    h2 {
        font-size: 2rem;
    }

    .kol-grid,
    .cases-grid,
    .business-types,
    .stats-grid,
    .partners-grid,
    .advantages-grid,
    .culture-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .case-card {
        margin: 0 10px;
    }
}

/* 加载状态和错误状态样式 */
.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-size: 1.1rem;
}

.loading::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #ff6b35;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error {
    text-align: center;
    padding: 2rem;
    color: #e74c3c;
    font-size: 1.1rem;
    background-color: #fdf2f2;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    margin: 1rem 0;
}

.no-data {
    text-align: center;
    padding: 2rem;
    color: #999;
    font-size: 1.1rem;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin: 1rem 0;
}