/* 公司能力展示页 - 主样式文件 */

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

/* 字体定义 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

body {
    font-family: 'Noto Sans SC', 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
}

.logo {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    animation: fadeInUp 0.8s ease-out;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #00bcd4;
}

.tagline {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #00bcd4 0%, #0097a7 100%);
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 188, 212, 0.3);
    animation: fadeInUp 0.8s ease-out 0.4s both;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 188, 212, 0.4);
}

.cta-button:hover::before {
    left: 100%;
}

/* 内容区域 */
section {
    padding: 80px 0;
    animation: fadeInUp 0.8s ease-out;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #1a237e;
    position: relative;
    font-weight: 600;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #00bcd4, #1a237e);
    margin: 15px auto;
    border-radius: 2px;
}

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #00bcd4, #1a237e);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 25px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #1a237e;
    font-weight: 600;
}

.service-card ul {
    margin-top: 20px;
    padding-left: 20px;
    color: #666;
}

.service-card li {
    margin-bottom: 8px;
    position: relative;
}

.service-card li::before {
    content: '✓';
    color: #00bcd4;
    font-weight: bold;
    position: absolute;
    left: -20px;
}

/* 案例展示 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.case-content {
    padding: 30px;
}

.case-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1a237e;
    font-weight: 600;
}

.case-tag {
    display: inline-block;
    background: #e3f2fd;
    color: #1a237e;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-right: 10px;
    margin-bottom: 10px;
    font-weight: 500;
}

/* 优势列表 */
.advantages {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    padding: 50px;
    border-radius: 15px;
    border: 1px solid rgba(26, 35, 126, 0.1);
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.advantage-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.advantage-icon {
    font-size: 2rem;
    color: #00bcd4;
    margin-right: 20px;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 流程展示 */
.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 50px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50px;
    right: 50px;
    height: 2px;
    background: linear-gradient(90deg, #00bcd4, #1a237e);
    z-index: 1;
}

.process-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 20px;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00bcd4 0%, #1a237e 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 3;
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, #1a237e 0%, #0d153a 100%);
    color: white;
    padding: 60px 0 40px;
    text-align: center;
}

.contact-info {
    margin: 30px 0;
    display: inline-block;
    text-align: left;
}

.contact-item {
    margin: 15px 0;
    font-size: 1.1rem;
}

.contact-item strong {
    color: #00bcd4;
    margin-right: 10px;
}

.copyright {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .process-steps::before {
        display: none;
    }
    
    .process-step {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 60px 0 40px;
    }
    
    .logo {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .advantages {
        padding: 30px;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .advantage-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .service-card,
    .case-card {
        padding: 30px 20px;
    }
}