/* 首页特定样式 */
:root {
    --primary-blue: #1a5fb4;
    --primary-blue-light: #3584e4;
    --primary-blue-dark: #0f3a73;
    --gradient-blue: linear-gradient(135deg, #1c71d8 0%, #3584e4 50%, #62a0ea 100%);
    --gradient-card: linear-gradient(135deg, #1a5fb4 0%, #1c71d8 50%, #3584e4 100%);
    --gradient-dark: linear-gradient(135deg, #0f3a73 0%, #1a5fb4 50%, #1c71d8 100%);
    --gradient-light: linear-gradient(135deg, #1c71d8 0%, #3584e4 50%, #62a0ea 100%);
    --neutral-white: #ffffff;
    --neutral-light: #f6f5f4;
    --neutral-gray: #deddda;
    --neutral-dark: #241f31;
    --accent-green: #26a269;
    --shadow-subtle: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* 全宽容器 */
.full-width-container {
    width: 100vw;
    max-width: 100%;
    overflow-x: hidden;
}

/* 白色背景区 */
.white-section {
    width: 100%;
    padding: 100px 0;
    background: var(--neutral-white);
}

/* 蓝色渐变背景区 */
.blue-section {
    width: 100%;
    padding: 100px 0;
    background: var(--gradient-card);
}

/* 浅蓝色渐变背景区 - 已修改为白色背景 */
.light-blue-section {
    width: 100%;
    padding: 100px 0;
    background: var(--neutral-white);
}

.section-content {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.white-section .section-title,
.light-blue-section .section-title {
    color: var(--neutral-dark);
}

.blue-section .section-title {
    color: white;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.white-section .section-subtitle,
.light-blue-section .section-subtitle {
    color: var(--neutral-dark);
}

.blue-section .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

/* 首页主展示区 */
.hero-section {
    width: 100%;
    padding: 100px 0;
    background: var(--gradient-blue);
    position: relative;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 60px;
    font-weight: 700;
    color: white;
    margin-bottom: 30px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.btn {
    padding: 18px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: white;
    color: var(--neutral-dark);
    border: 2px solid var(--neutral-gray);
}

.btn-secondary:hover {
    background: var(--neutral-light);
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

/* 产品展示 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.product-card {
    background: var(--neutral-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

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

.product-image {
    height: 200px;
    background: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 60px;
}

.product-content {
    padding: 30px;
}

.product-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--neutral-dark);
}

.product-description {
    color: var(--neutral-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-link:hover {
    color: var(--primary-blue-dark);
}

/* 关于我们 */
.about-content {
    margin-top: 60px;
}

.company-intro {
    text-align: center;
    margin-bottom: 60px;
}

.company-intro p {
    max-width: 800px;
    margin: 0 auto 20px;
    line-height: 1.8;
    font-size: 18px;
    color: var(--neutral-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.stat-card {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

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

.stat-label {
    font-size: 18px;
    color: var(--neutral-dark);
    font-weight: 500;
}

/* 特色服务 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(26, 95, 180, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 36px;
    margin: 0 auto 20px;
}

.feature-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--neutral-dark);
}

.feature-description {
    color: var(--neutral-dark);
    line-height: 1.6;
}

/* 客户案例 */
.client-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 60px;
}

.client-logo {
    height: 60px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
    background: white;
    padding: 10px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
    color: #1a5fb4;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .product-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-content {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .product-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .client-logos {
        gap: 20px;
    }
    
    .client-logo {
        height: 50px;
        font-size: 16px;
        padding: 8px 16px;
    }
}