/* 神虾局 - 品牌色彩方案
   深海蓝: #1E3A8A (主色调)
   科技蓝: #3B82F6 (辅助色)
   活力橙: #F97316 (强调色)
*/

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* 导航栏 */
.navbar {
    background-color: #1E3A8A;
    color: white;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.nav-logo h1 {
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #F97316;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 60px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: #F97316;
    color: white;
}

.btn-primary:hover {
    background-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #1E3A8A;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 60px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 区块标题 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1E3A8A;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #F97316, #3B82F6);
    border-radius: 2px;
}

/* 核心价值 */
.values {
    padding: 80px 0;
    background-color: white;
}

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

.value-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h3 {
    color: #1E3A8A;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

/* 服务领域 */
.services {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    border-left: 4px solid #3B82F6;
}

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

.service-card h3 {
    color: #1E3A8A;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

/* 团队预览 */
.team-preview {
    padding: 80px 0;
    background-color: white;
}

.team-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

.team-preview-buttons {
    text-align: center;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    text-align: center;
}

.contact-description {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    opacity: 0.9;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 页脚 */
.footer {
    background-color: #1E3A8A;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 0;
}

/* 团队页面样式 */
.team-section {
    padding: 60px 0;
    background-color: white;
}

.team-member {
    margin-bottom: 4rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-3px);
}

.member-content {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.member-photo {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.member-photo:hover {
    transform: scale(1.05);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.member-info {
    flex: 1;
}

.member-info h2 {
    color: #1E3A8A;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.member-info h3 {
    color: #3B82F6;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.member-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    background-color: #3B82F6;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.member-description {
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.8;
}

.member-description p {
    margin-bottom: 1rem;
}

.member-expertise h4 {
    color: #1E3A8A;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.member-expertise ul {
    list-style: none;
    padding: 0;
}

.member-expertise li {
    padding: 0.3rem 0;
    color: #666;
    position: relative;
    padding-left: 1.2rem;
}

.member-expertise li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #F97316;
    font-size: 0.8rem;
}

/* 团队协作模式 */
.team-collaboration {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.team-collaboration h2 {
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 1rem;
}

.team-collaboration p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: #666;
    font-size: 1.1rem;
}

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

.step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #F97316, #ea580c);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    color: #1E3A8A;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.step p {
    color: #666;
    font-size: 0.9rem;
}

/* 服务页面样式 */
.services-intro {
    padding: 60px 0;
    background-color: white;
}

.services-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    color: #666;
    line-height: 1.8;
}

.services-detail {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.service-item {
    margin-bottom: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-3px);
}

.service-content {
    padding: 2rem;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-item h3 {
    color: #1E3A8A;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

.service-features h4 {
    color: #3B82F6;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.service-features ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #F97316;
    font-weight: bold;
}

.service-expert {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid #3B82F6;
}

/* 服务流程 */
.service-process {
    padding: 80px 0;
    background-color: white;
}

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

.process-step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-top: 4px solid #3B82F6;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3B82F6, #1E3A8A);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.process-step h3 {
    color: #1E3A8A;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.process-step p {
    color: #666;
}

/* 服务优势 */
.service-advantages {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.advantage-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    color: #1E3A8A;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.advantage-card p {
    color: #666;
}

/* 联系CTA */
.contact-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    text-align: center;
}

.contact-cta h2 {
    margin-bottom: 1rem;
}

.contact-cta p {
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        display: block;
        text-align: center;
        width: 200px;
        margin: 0.5rem 0;
    }
    
    .member-content {
        flex-direction: column;
        text-align: center;
    }
    
    .member-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto 1.5rem;
    }
    
    .values-grid,
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .collaboration-steps,
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

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

.hero-content,
.value-card,
.service-card,
.team-member,
.service-item,
.process-step {
    animation: fadeInUp 0.8s ease-out;
}

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

/* 加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 性能优化：图片懒加载 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 图片加载优化 */
.member-photo img {
    transition: opacity 0.3s ease;
}

.member-photo img:hover {
    opacity: 0.9;
}
/* Font Awesome 替代 - 使用Emoji */
.fa-crown:before { content: "( crown )"; }
.fa-users-cog:before { content: "( gear )"; }
.fa-code:before { content: "( code )"; }
.fa-chart-line:before { content: "( chart )"; }
.fa-tasks:before { content: "( check )"; }
.fa-palette:before { content: "( palette )"; }

/* Animate.css 替代 - 基础动画 */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate__animated { animation-duration: 1s; animation-fill-mode: both; }
.animate__fadeInDown { animation-name: fadeInDown; }
.animate__fadeInUp { animation-name: fadeInUp; }
.animate__delay-1s { animation-delay: 1s; }
.animate__delay-2s { animation-delay: 2s; }