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

:root {
    --primary-color: #4a6fa5;  /* 主蓝色 - 专业 */
    --secondary-color: #ff7e5f; /* 辅助橙色 - 温暖 */
    --accent-color: #6b8e23;   /* 强调绿色 - 成长 */
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gray-light: #e9ecef;
    --gray: #adb5bd;
    --gray-dark: #495057;
    --white: #ffffff;
    --black: #212529;
    
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

/* 按钮样式 */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #3a5a8a;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #ff6b4a;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 700;
    font-size: 24px;
}

.logo-icon {
    font-size: 28px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark-color);
    cursor: pointer;
}

/* 英雄区域 */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(255, 126, 95, 0.3);
    z-index: -1;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-desc {
    font-size: 18px;
    color: var(--gray-dark);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--box-shadow-lg);
}

.image-placeholder i {
    margin-bottom: 20px;
    opacity: 0.9;
}

.image-placeholder p {
    font-size: 20px;
    font-weight: 600;
}

/* 服务区域 */
.services {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-dark);
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--white);
    font-size: 28px;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: var(--gray-dark);
    line-height: 1.6;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: var(--light-color);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-top: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-dark);
}

.about-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat {
    text-align: center;
    padding: 30px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    color: var(--gray-dark);
    font-weight: 500;
}

/* 联系方式 */
.contact {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-content {
    display: flex;
    gap: 60px;
    margin-top: 50px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.contact-item p {
    color: var(--gray-dark);
}

.contact-form {
    flex: 1;
    background-color: var(--light-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--dark-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.1);
}

/* 页脚 */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-section a {
    display: block;
    color: var(--gray);
    text-decoration: none;
    margin-bottom: 15px;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-section p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

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

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

.newsletter {
    display: flex;
    margin-top: 15px;
}

.newsletter input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-family: var(--font-family);
}

.newsletter button {
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter button:hover {
    background-color: #3a5a8a;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 14px;
}

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

/* 成功案例 */
.success-cases {
    padding: 100px 0;
    background-color: var(--light-color);
}

.success-cases .section-title {
    text-align: center;
    margin-bottom: 20px;
}

.success-cases .section-subtitle {
    text-align: center;
    margin-bottom: 60px;
    color: var(--gray-dark);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.case-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 600;
    margin-right: 20px;
}

.case-user-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.case-user-info p {
    font-size: 14px;
    color: var(--gray);
}

.case-content {
    flex: 1;
    margin-bottom: 20px;
}

.case-quote {
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.case-quote::before {
    content: "“";
    font-size: 40px;
    color: var(--primary-color);
    position: absolute;
    left: -10px;
    top: -20px;
    opacity: 0.3;
}

.case-results {
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-top: 15px;
}

.case-result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.case-result-label {
    color: var(--gray-dark);
}

.case-result-value {
    color: var(--accent-color);
    font-weight: 600;
}

.case-footer {
    border-top: 1px solid var(--gray-light);
    padding-top: 20px;
    margin-top: 20px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tag {
    background-color: var(--gray-light);
    color: var(--gray-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.success-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    margin-top: 50px;
}

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

.success-stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.success-stat-label {
    font-size: 18px;
    color: var(--dark-color);
}

.success-stat-desc {
    font-size: 14px;
    color: var(--gray);
    margin-top: 5px;
}

/* 团队介绍 */
.team-section {
    padding: 100px 0;
    background-color: var(--white);
}

.team-section .section-title {
    text-align: center;
    margin-bottom: 20px;
}

.team-section .section-subtitle {
    text-align: center;
    margin-bottom: 60px;
    color: var(--gray-dark);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.team-member {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 48px;
    font-weight: 600;
}

.team-member h4 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.team-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 16px;
}

.team-bio {
    color: var(--gray-dark);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 15px;
}

.team-expertise {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.team-tag {
    background-color: var(--white);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid var(--primary-color);
}

.team-contact {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.team-contact a {
    color: var(--gray);
    transition: var(--transition);
}

.team-contact a:hover {
    color: var(--primary-color);
}

.team-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-top: 50px;
}

.team-value {
    text-align: center;
}

.team-value-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
}

.team-value h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.team-value p {
    font-size: 14px;
    color: var(--gray-dark);
}

/* 服务流程 */
.service-process {
    padding: 100px 0;
    background-color: var(--light-color);
}

.service-process .section-title {
    text-align: center;
    margin-bottom: 20px;
}

.service-process .section-subtitle {
    text-align: center;
    margin-bottom: 60px;
    color: var(--gray-dark);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 50px;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 3px;
    background-color: var(--primary-color);
    z-index: 1;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
    max-width: 200px;
}

.process-step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--white);
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
    font-size: 32px;
}

.process-step.active .process-step-icon {
    background-color: var(--primary-color);
    color: var(--white);
}

.process-step-number {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.process-step h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.process-step p {
    font-size: 14px;
    color: var(--gray-dark);
    line-height: 1.5;
}

.process-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-detail {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.process-detail-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 20px;
}

.process-detail h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.process-detail ul {
    list-style-type: none;
    padding-left: 0;
}

.process-detail li {
    padding: 8px 0;
    color: var(--gray-dark);
    border-bottom: 1px solid var(--gray-light);
    position: relative;
    padding-left: 25px;
}

.process-detail li:last-child {
    border-bottom: none;
}

.process-detail li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* 最新动态 */
.latest-updates {
    padding: 100px 0;
    background-color: var(--white);
}

.latest-updates .section-title {
    text-align: center;
    margin-bottom: 20px;
}

.latest-updates .section-subtitle {
    text-align: center;
    margin-bottom: 60px;
    color: var(--gray-dark);
}

.updates-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--gray-light);
}

.update-tab {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-dark);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.update-tab:hover {
    color: var(--primary-color);
}

.update-tab.active {
    color: var(--primary-color);
}

.update-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-color);
}

.updates-content {
    margin-bottom: 50px;
}

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

.update-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.update-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.update-category {
    display: inline-block;
    padding: 5px 12px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.update-category.news {
    background-color: var(--primary-color);
}

.update-category.entertainment {
    background-color: var(--secondary-color);
}

.update-title {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
    line-height: 1.4;
}

.update-excerpt {
    font-size: 14px;
    color: var(--gray-dark);
    line-height: 1.6;
    margin-bottom: 15px;
}

.update-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--gray);
    border-top: 1px solid var(--gray-light);
    padding-top: 15px;
}

.update-link {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    margin-top: 10px;
}

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

.updates-footer {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-light);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container,
    .about-content,
    .contact-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .btn-primary, .btn-secondary, .btn-outline {
        padding: 10px 20px;
        width: 100%;
        text-align: center;
    }
}