* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

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

.nav-menu li {
    margin-left: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2563eb;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页轮播样式 */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a202c;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    z-index: 2;
    position: relative;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: #2d3748;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #4a5568;
    font-weight: 300;
    line-height: 1.8;
}

.hero-tagline {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.tagline-item {
    font-size: 1.1rem;
    color: #2b6cb0;
    font-weight: 400;
    letter-spacing: 1px;
}

.tagline-divider {
    margin: 0 2rem;
    color: #a0aec0;
    font-size: 1.2rem;
}

/* 浮动动画元素 */
.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-item {
    position: absolute;
    font-size: 2.5rem;
    color: rgba(45, 55, 72, 0.08);
    animation: float 8s ease-in-out infinite;
}

.floating-item:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-item:nth-child(2) {
    top: 60%;
    left: 20%;
    animation-delay: 1.5s;
}

.floating-item:nth-child(3) {
    top: 30%;
    right: 20%;
    animation-delay: 3s;
}

.floating-item:nth-child(4) {
    top: 70%;
    right: 10%;
    animation-delay: 4.5s;
}

.floating-item:nth-child(5) {
    top: 40%;
    left: 5%;
    animation-delay: 6s;
}

.floating-item:nth-child(6) {
    top: 80%;
    right: 30%;
    animation-delay: 7.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
        opacity: 0.6;
    }
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #2563eb;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 团队理念样式 */
.about {
    background: #ffffff;
    padding: 100px 0;
}

.philosophy-content {
    max-width: 1000px;
    margin: 0 auto;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.philosophy-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    transition: all 0.4s ease;
    position: relative;
}

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

.philosophy-icon {
    width: 80px;
    height: 80px;
    background: transparent;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: all 0.3s ease;
}

.philosophy-icon i {
    font-size: 1.8rem;
    color: #4a5568;
    transition: all 0.3s ease;
}

.philosophy-item:hover .philosophy-icon {
    border-color: #2b6cb0;
    background: #f7fafc;
}

.philosophy-item:hover .philosophy-icon i {
    color: #2b6cb0;
}

.philosophy-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: #2d3748;
    font-weight: 400;
}

.philosophy-item p {
    color: #718096;
    line-height: 1.8;
    font-size: 1rem;
}

.team-essence {
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

.team-essence::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #cbd5e0, transparent);
}

.team-essence blockquote {
    font-size: 1.3rem;
    color: #4a5568;
    font-style: italic;
    font-weight: 300;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding: 0 2rem;
}

.team-essence blockquote::before {
    content: '"';
    font-size: 3rem;
    color: #cbd5e0;
    position: absolute;
    top: -10px;
    left: -10px;
    font-family: serif;
}

.team-essence blockquote::after {
    content: '"';
    font-size: 3rem;
    color: #cbd5e0;
    position: absolute;
    bottom: -30px;
    right: -10px;
    font-family: serif;
}

/* 行业经验样式 */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.industry-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #10b981);
}

.industry-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

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

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

.industry-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.industry-features {
    list-style: none;
}

.industry-features li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.industry-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* 技术栈样式 */
.tech-stack {
    background: #f8fafc;
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.tech-category {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.tech-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #333;
    display: flex;
    align-items: center;
}

.tech-category h3 i {
    margin-right: 1rem;
    color: #2563eb;
    font-size: 1.8rem;
}

.tech-items {
    display: grid;
    gap: 1.5rem;
}

.tech-item {
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.tech-item:hover {
    background: white;
    border-left-color: #2563eb;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.tech-item i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-right: 1rem;
}

.tech-item span {
    font-weight: 600;
    font-size: 1.1rem;
    color: #333;
}

.tech-item p {
    margin-top: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

/* 核心能力样式 */
.capabilities {
    background: #f8fafc;
    padding: 100px 0;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.capability-card {
    background: white;
    padding: 3rem 2rem;
    position: relative;
    transition: all 0.4s ease;
    border: 1px solid #e2e8f0;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.capability-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #cbd5e0;
}

.capability-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    background: white;
    color: #a0aec0;
    font-size: 2.5rem;
    font-weight: 200;
    padding: 0 1rem;
    letter-spacing: 2px;
}

.capability-card:hover .capability-number {
    color: #2b6cb0;
}

.capability-card h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1.5rem;
    color: #2d3748;
    font-weight: 400;
}

.capability-card p {
    color: #718096;
    line-height: 1.7;
    flex-grow: 1;
    font-size: 1rem;
}

/* 页脚样式 */
.footer {
    background: #2d3748;
    color: #cbd5e0;
    padding: 4rem 0 2rem;
}

.footer-content {
    text-align: center;
    margin-bottom: 2rem;
}

.footer-center {
    max-width: 400px;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 300;
    color: #e2e8f0;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.footer-logo i {
    margin-right: 1rem;
    font-size: 2rem;
    color: #4a5568;
}

.footer-tagline {
    font-size: 1.1rem;
    color: #a0aec0;
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.footer-philosophy {
    font-style: italic;
    color: #718096;
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 1.5rem;
    text-align: center;
    color: #a0aec0;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #90cdf4;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #63b3ed;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        right: 0;
        background: white;
        flex-direction: column;
        width: 100%;
        padding: 2rem;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        letter-spacing: 1px;
    }

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

    .tagline-item {
        font-size: 1rem;
    }

    .tagline-divider {
        margin: 0 1rem;
    }

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

    .capabilities-grid {
        grid-template-columns: 1fr;
    }

    .tech-categories {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .team-essence blockquote {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
}

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

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

    .tagline-item, .tagline-divider {
        display: block;
        text-align: center;
        margin: 0.5rem 0;
    }

    .philosophy-item,
    .capability-card,
    .industry-card,
    .tech-category {
        padding: 1.5rem;
    }

    .capability-card {
        min-height: auto;
    }

    .capability-number {
        position: static;
        display: inline-block;
        background: transparent;
        padding: 0;
        margin-bottom: 1rem;
    }

    .footer-logo {
        font-size: 1.5rem;
    }
}