/* Navigation Styles */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #aaa;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white;
}

.nav-button {
    background: #2196F3;
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: #1976D2;
    transform: translateY(-1px);
}

/* Content Styles */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    text-align: center;
    padding: 2rem;
    max-width: 800px;
    width: 100%;
    margin-top: 4rem;
}

.content {
    animation: fadeIn 1s ease-in;
}

.logo-section {
    margin-bottom: 2rem;
}

h1 {
    margin: 0.5rem 0;
    font-size: 3.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #fff, #e0e0e0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255,255,255,0.1);
}

h2 {
    margin: 1.5rem 0 1rem;
    font-size: 2.2rem;
    font-weight: bold;
    color: #2196F3;
    text-shadow: 0 0 15px rgba(33,150,243,0.2);
}

.announcement-section {
    margin: 2rem 0;
}

.announcement {
    font-size: 2rem;
    color: #2196F3;
    margin: 1rem 0;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(33,150,243,0.3);
}

.divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    margin: 2rem auto;
    width: 60%;
}

.features-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature {
    padding: 1.5rem;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.08);
}

.feature h3 {
    font-size: 1.2rem;
    margin: 0 0 1rem 0;
    color: #fff;
}

.feature p {
    color: #aaa;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.models-section {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
}

.models-title {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 2rem;
    text-align: center;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.model-category {
    text-align: left;
}

.model-category h4 {
    color: #aaa;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.model-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.model-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.model-link:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.model-name {
    color: #fff;
    font-weight: 500;
}

.model-tag {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    background: #2196F3;
    color: white;
    border-radius: 12px;
    font-weight: 500;
}

.model-highlight {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(33,150,243,0.1), rgba(33,150,243,0.05));
    border-radius: 12px;
    border: 1px solid rgba(33,150,243,0.2);
}

.model-highlight h4 {
    color: #2196F3;
    font-size: 1.2rem;
    margin: 0 0 1rem 0;
}

.model-highlight p {
    color: #aaa;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.redirect-section {
    margin-top: 3rem;
}

.redirect-text {
    color: #888;
    font-size: 1rem;
    margin: 1rem 0;
    animation: pulse 2s infinite;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    margin: 1rem auto;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: #2196F3;
    animation: progress 30s linear;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: #2196F3;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #1976D2;
    transform: scale(1.05);
}

.resource-links-section {
    margin: 3rem 0 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
}

.resource-links {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #888;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    align-items: center;
}

.resource-links p {
    margin: 0;
    margin-right: 0.5rem;
}

.resource-link {
    color: #2196F3;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.4rem 1rem;
    background: rgba(33, 150, 243, 0.1);
    border-radius: 20px;
    font-weight: 500;
}

.resource-link:hover {
    color: white;
    background: #2196F3;
    transform: translateY(-2px);
}

.highlight-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
}

/* Introduction Section */
.intro-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    text-align: left;
    line-height: 1.6;
}

.intro-section p {
    color: #ddd;
    line-height: 1.6;
    font-size: 1.1rem;
}

.hero-image {
    width: 100%;
    margin: 30px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.benchmark-image {
    width: 100%;
    margin: 30px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.full-width-img {
    width: 100%;
    height: auto;
    display: block;
}

/* News Section */
.news-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    text-align: left;
}

.news-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.news-date {
    color: #2196F3;
    font-weight: 500;
    white-space: nowrap;
}

.news-content {
    color: #ddd;
}

.news-content a {
    color: #2196F3;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-content a:hover {
    color: #64B5F6;
    text-decoration: underline;
}

/* Quick Start Section */
.quickstart-section {
    margin: 3rem 0;
    padding: 1.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    text-align: left;
}

.quickstart-section p {
    color: #ddd;
    line-height: 1.6;
}

.code-block {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
}

.code-block code {
    color: #E0E0E0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Showcase Section */
.showcase-section {
    margin: 3rem 0;
    padding: 1.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    text-align: left;
}

.showcase-item {
    margin-bottom: 2rem;
    display: grid;
}

.showcase-description {
    flex: 1;
}

.showcase-image {
    height: auto;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-style: italic;
    border: 1px dashed rgba(255,255,255,0.2);
    overflow: hidden;
}

.showcase-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.showcase-img:hover {
    transform: scale(1.02);
}

.showcase-item-full {
    display: flex;
    flex-direction: column;
    margin-bottom: 80px;
    width: 100%;
}

.showcase-description-full {
    margin-bottom: 30px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.showcase-description-full h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #4a9eff;
}

.showcase-image-full {
    width: 100%;
    height: auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.showcase-img-full {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.showcase-img-full:hover {
    transform: scale(1.01);
}

.showcase-conclusion {
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(33,150,243,0.1);
    border-radius: 8px;
    border-left: 4px solid #2196F3;
}

.showcase-conclusion p {
    color: #fff;
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

.highlight-link {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: rgba(33,150,243,0.1);
    border: 1px solid rgba(33,150,243,0.3);
    border-radius: 8px;
    color: #2196F3;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.highlight-link:hover {
    background: rgba(33,150,243,0.2);
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

@keyframes progress {
    from { width: 0; }
    to { width: 100%; }
}

@media (max-width: 768px) {
    .nav-content {
        padding: 0 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        display: none;
    }

    .nav-button {
        display: block;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .announcement {
        font-size: 1.5rem;
    }
    
    .features-section {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .container {
        padding: 1rem;
    }

    .models-section {
        padding: 1rem;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .model-link {
        padding: 0.8rem;
    }
    
    .model-highlight {
        margin-top: 1.5rem;
        padding: 1rem;
    }

    .highlight-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .intro-section,
    .news-section,
    .quickstart-section,
    .showcase-section,
    .resource-links-section {
        padding: 1rem;
        margin: 1.5rem 0;
    }
    
    .code-block {
        padding: 0.5rem;
    }
    
    .showcase-image {
        height: auto;
        max-height: 300px;
    }
    
    .showcase-description-full {
        padding: 0 15px;
        margin-bottom: 20px;
    }
    
    .showcase-image-full {
        border-radius: 8px;
    }
    
    .showcase-item-full {
        margin-bottom: 50px;
    }
    
    .hero-image img,
    .benchmark-image img {
        border-radius: 8px;
    }
    
    .news-item {
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .resource-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .highlight-link {
        text-align: center;
    }
}