/* 基础样式重置 */
* {
    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: #ffffff;
    background: linear-gradient(135deg, #1a237e 0%, #303f9f 100%);
    min-height: 100vh;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航头部样式 */
.header {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #FFC107;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-buttons {
    display: flex;
    gap: 15px;
}

/* 按钮基础样式 */
.nav-btn, .cta-button, .footer-btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    color: white;
    border-radius: 25px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.nav-btn:hover, .cta-button:hover, .footer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 按钮颜色变体 */
.btn-green {
    background: linear-gradient(45deg, #4CAF50, #66BB6A);
}

.btn-green:hover {
    background: linear-gradient(45deg, #45a049, #5cb85c);
}

.btn-blue {
    background: linear-gradient(45deg, #2196F3, #42A5F5);
}

.btn-blue:hover {
    background: linear-gradient(45deg, #1976D2, #1e88e5);
}

.btn-orange {
    background: linear-gradient(45deg, #FF5722, #FF7043);
}

.btn-orange:hover {
    background: linear-gradient(45deg, #D84315, #f4511e);
}

/* 英雄区域样式 */
.hero-section {
    padding: 80px 0;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #FFC107, #FFD54F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 30px;
    color: #E3F2FD;
}

/* 英雄区域图片样式 */
.hero-image-container {
    margin: 50px auto 0;
    max-width: 500px;
    padding: 0 20px;
}

.hero-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.hero-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: #BBDEFB;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: linear-gradient(45deg, #4CAF50, #66BB6A);
    padding: 18px 40px;
    font-size: 1.2rem;
    border-radius: 30px;
    margin: 20px auto;
    display: inline-block;
}

/* 区域标题样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #FFC107;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* 服务特色区域 */
.features-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #FFC107;
}

.feature-card p {
    color: #E3F2FD;
    line-height: 1.6;
}

/* 服务项目区域 */
.services-section {
    padding: 80px 0;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.service-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #4CAF50;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.service-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.service-item h3 {
    color: #FFC107;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.service-item p {
    color: #E3F2FD;
}

/* 团队介绍区域 */
.team-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
}

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

.team-member {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.member-avatar {
    font-size: 4rem;
    margin-bottom: 20px;
}

.team-member h3 {
    color: #FFC107;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.member-role {
    color: #4CAF50;
    font-weight: 600;
    margin-bottom: 15px;
}

.team-member p {
    color: #E3F2FD;
}

/* 客户评价区域 */
.testimonials-section {
    padding: 80px 0;
}

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

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.quote-mark {
    font-size: 3rem;
    color: #FFC107;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: serif;
}

.testimonial-card p {
    margin-top: 25px;
    margin-bottom: 20px;
    color: #E3F2FD;
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    text-align: right;
    color: #4CAF50;
    font-weight: 600;
}

/* 页面底部样式 */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 50px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: #FFC107;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p, .footer-section li {
    color: #E3F2FD;
    margin-bottom: 10px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li:before {
    content: "✓ ";
    color: #4CAF50;
    font-weight: bold;
}

.footer-btn {
    background: linear-gradient(45deg, #2196F3, #42A5F5);
    padding: 12px 30px;
    margin-top: 20px;
    display: inline-block;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #BBDEFB;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-image-container {
        margin: 40px auto 0;
        max-width: 350px;
        padding: 0 15px;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .services-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .container {
        padding: 0 15px;
    }

    .hero-section, .features-section, .services-section, .team-section, .testimonials-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-image-container {
        margin: 30px auto 0;
        max-width: 280px;
        padding: 0 10px;
    }

    .hero-image {
        border-radius: 10px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    .section-title {
        font-size: 1.8rem;
    }

    .nav-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 15px 30px;
        font-size: 1.1rem;
    }

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

    .feature-card, .service-item, .team-member, .testimonial-card {
        padding: 20px;
    }
}

/* 平板端优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.feature-card, .service-item, .team-member, .testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #4CAF50, #2196F3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #45a049, #1976D2);
}