/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: bold;
    color: #007bff;
    margin-right: 0.5rem;
}

.logo-full {
    font-size: 1rem;
    color: #fff;
    opacity: 0.8;
}

.nav-link {
    margin-left: 1.5rem;
    font-weight: 500;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://picsum.photos/1920/1080?random=9') no-repeat center center;
    background-size: cover;
    height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    padding-top: 56px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero p.lead {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Services Section */
.services {
    padding: 4rem 0;
}

.service-card {
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-card i {
    color: #007bff;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* About Preview Section */
.about-preview, .asset-preview {
    padding: 4rem 0;
}

.about-preview h2, .asset-preview h2 {
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.about-preview p.lead, .asset-preview p.lead {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: #666;
}

/* Footer */
footer {
    color: #fff;
    padding: 3rem 0 1rem;
}

footer h5 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

footer ul li {
    margin-bottom: 0.5rem;
}

footer ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer ul li a:hover {
    color: #007bff;
}

footer hr {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

/* Asset Management Page */
.asset-management-header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://picsum.photos/1920/400?random=10') no-repeat center center;
    background-size: cover;
    padding: 8rem 0 4rem;
    color: white;
}

.asset-management-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.investment-strategies {
    padding: 4rem 0;
}

.investment-strategy {
    margin-bottom: 3rem;
    padding: 2rem;
    border-radius: 8px;
    background-color: #f8f9fa;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.investment-strategy:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.investment-strategy h3 {
    margin-bottom: 1rem;
    color: #007bff;
}

.investment-strategy i {
    font-size: 2rem;
    color: #007bff;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p.lead {
        font-size: 1.25rem;
    }
    
    .about-preview h2, .asset-preview h2 {
        font-size: 2rem;
    }
    
    .logo-full {
        font-size: 0.8rem; /* 减小字体大小以适应小屏幕 */
        margin-left: 0.25rem;
    }
    
    /* 调整Hero区域按钮在小屏幕上的布局 */
    .hero .d-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem !important;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p.lead {
        font-size: 1rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* Image Styles */
img {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Lazy loading styles */
img[data-src] {
    opacity: 0;
    transform: translateY(20px);
}

img.lazy-loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Button Styles */
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.4);
}

/* About Page */
.about-header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://picsum.photos/1920/400?random=10') no-repeat center center;
    background-size: cover;
    padding: 8rem 0 4rem;
    color: white;
}

.about-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.company-info {
    padding: 4rem 0;
}

.team {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.team-member {
    text-align: center;
    margin-bottom: 3rem;
}

.team-member img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
}

.team-member h3 {
    margin-bottom: 0.5rem;
}

.team-member p {
    color: #666;
}

/* Contact Page */
.contact-header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://picsum.photos/1920/400?random=10') no-repeat center center;
    background-size: cover;
    padding: 8rem 0 4rem;
    color: white;
}

.contact-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-form {
    padding: 4rem 0;
}

.contact-info {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.contact-info-item {
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
}

.contact-info-item i {
    font-size: 1.5rem;
    color: #007bff;
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.contact-info-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

/* News Page */
.news-header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://picsum.photos/1920/400?random=10') no-repeat center center;
    background-size: cover;
    padding: 8rem 0 4rem;
    color: white;
}

.news-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.news-articles {
    padding: 4rem 0;
}

.news-article {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.news-article:last-child {
    border-bottom: none;
}

.news-article h3 {
    margin-bottom: 1rem;
    color: #333;
}

.news-article .meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-article .meta span {
    margin-right: 1rem;
}

.news-article .excerpt {
    color: #666;
    margin-bottom: 1rem;
}

.news-article img {
    margin-bottom: 1.5rem;
    border-radius: 8px;
}