.about-page {
    min-height: 100vh;
}

.about-hero {
    background: linear-gradient(135deg, #103474 0%, #2563eb 100%);
    padding: 120px 0 80px;
    color: white;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 193, 7, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 193, 7, 0.1) 0%, transparent 50%);
}

.about-hero .container {
    position: relative;
    z-index: 1;
}

.about-hero .breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    opacity: 0.9;
}

.about-hero .breadcrumb-nav a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.about-hero .breadcrumb-nav a:hover {
    opacity: 0.8;
}

.about-hero .breadcrumb-nav span:not(:last-child) {
    color: rgba(255, 255, 255, 0.6);
}

.about-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.about-content-section {
    padding: 80px 0;
    background: white;
}

.about-content-section .container {
    max-width: 1000px;
}

.rich-content {
    background: white;
    border-radius: 16px;
    padding: 60px;
    box-shadow: 0 4px 20px rgba(16, 52, 116, 0.08);
}

.rich-content h1,
.rich-content h2,
.rich-content h3,
.rich-content h4,
.rich-content h5,
.rich-content h6 {
    color: #103474;
    margin-top: 32px;
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.rich-content h1 {
    font-size: 36px;
    margin-top: 0;
}

.rich-content h2 {
    font-size: 32px;
}

.rich-content h3 {
    font-size: 28px;
}

.rich-content h4 {
    font-size: 24px;
}

.rich-content p {
    color: #333;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.rich-content ul,
.rich-content ol {
    margin: 24px 0;
    padding-left: 24px;
}

.rich-content li {
    color: #333;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.rich-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 32px 0;
    box-shadow: 0 4px 16px rgba(16, 52, 116, 0.1);
}

.rich-content a {
    color: #103474;
    text-decoration: underline;
    transition: color 0.3s;
}

.rich-content a:hover {
    color: #2563eb;
}

.rich-content blockquote {
    border-left: 4px solid #103474;
    padding: 20px 24px;
    margin: 32px 0;
    background: #f8fafc;
    border-radius: 8px;
    font-style: italic;
    color: #555;
}

.rich-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    box-shadow: 0 2px 12px rgba(16, 52, 116, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.rich-content table th {
    background: #103474;
    color: white;
    padding: 16px;
    text-align: left;
    font-weight: 600;
}

.rich-content table td {
    padding: 16px;
    border-bottom: 1px solid #e5e7eb;
    color: #333;
}

.rich-content table tr:last-child td {
    border-bottom: none;
}

.rich-content table tr:hover {
    background: #f8fafc;
}

.rich-content hr {
    border: none;
    border-top: 2px solid #e5e7eb;
    margin: 40px 0;
}

.rich-content code {
    background: #f3f4f6;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 15px;
    color: #dc2626;
}

.rich-content pre {
    background: #1f2937;
    color: #f9fafb;
    padding: 24px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 24px 0;
}

.rich-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.no-content-message {
    text-align: center;
    padding: 120px 40px;
    color: #6b7280;
}

.no-content-message i {
    font-size: 72px;
    color: #103474;
    margin-bottom: 24px;
    opacity: 0.3;
}

.no-content-message p {
    font-size: 18px;
    margin: 0;
}

@media (max-width: 768px) {
    .about-hero {
        padding: 80px 0 60px;
    }
    
    .about-hero h1 {
        font-size: 32px;
    }
    
    .about-content-section {
        padding: 40px 0;
    }
    
    .rich-content {
        padding: 32px 24px;
        border-radius: 12px;
    }
    
    .rich-content h1 {
        font-size: 28px;
    }
    
    .rich-content h2 {
        font-size: 24px;
    }
    
    .rich-content h3 {
        font-size: 20px;
    }
    
    .rich-content p,
    .rich-content li {
        font-size: 16px;
    }
    
    .rich-content table {
        font-size: 14px;
    }
    
    .rich-content table th,
    .rich-content table td {
        padding: 12px 8px;
    }
}