/* Global Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #e8e8e8;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    min-height: 100vh;
}

/* Header Styles */
.hjsq-header {
    background: linear-gradient(to right, #16213e 0%, #0f3460 100%);
    padding: 1.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.hjsq-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hjsq-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hjsq-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00d9ff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.hjsq-logo:hover {
    color: #00b8d4;
    text-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
}

.hjsq-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.hjsq-menu-item a {
    color: #e8e8e8;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}

.hjsq-menu-item a:hover {
    color: #00d9ff;
}

.hjsq-menu-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #00d9ff;
    transition: width 0.3s ease;
}

.hjsq-menu-item a:hover::after {
    width: 100%;
}

/* Hero Banner */
.hjsq-hero-banner {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/edg202501.jpg') center/cover no-repeat;
    padding: 8rem 0;
    text-align: center;
    margin-top: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

.hjsq-hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #00d9ff;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.hjsq-hero-subtitle {
    font-size: 1.5rem;
    color: #b8b8b8;
    margin-bottom: 2rem;
}

.hjsq-btn-primary {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 217, 255, 0.3);
}

.hjsq-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.5);
}

/* Section Styles */
.hjsq-section {
    padding: 4rem 0;
}

.hjsq-section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: #00d9ff;
    position: relative;
    padding-bottom: 1rem;
}

.hjsq-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, transparent, #00d9ff, transparent);
}

/* Video Grid */
.hjsq-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.hjsq-video-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hjsq-video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.3);
    border-color: #00d9ff;
}

.hjsq-video-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.hjsq-video-info {
    padding: 1.5rem;
}

.hjsq-video-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: #ffffff;
    font-weight: 600;
}

.hjsq-video-desc {
    color: #b8b8b8;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.hjsq-video-meta {
    display: flex;
    justify-content: space-between;
    color: #888;
    font-size: 0.85rem;
}

/* Category Section */
.hjsq-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.hjsq-category-card {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(15, 52, 96, 0.2) 100%);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 217, 255, 0.2);
    cursor: pointer;
}

.hjsq-category-card:hover {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.2) 0%, rgba(15, 52, 96, 0.3) 100%);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.hjsq-category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hjsq-category-name {
    font-size: 1.5rem;
    color: #00d9ff;
    font-weight: 600;
}

/* About Section */
.hjsq-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hjsq-about-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hjsq-about-text {
    color: #d0d0d0;
    line-height: 1.8;
}

.hjsq-about-text p {
    margin-bottom: 1.5rem;
}

.hjsq-feature-list {
    list-style: none;
    margin-top: 2rem;
}

.hjsq-feature-item {
    padding: 1rem;
    background: rgba(0, 217, 255, 0.1);
    margin-bottom: 1rem;
    border-radius: 8px;
    border-left: 4px solid #00d9ff;
    transition: all 0.3s ease;
}

.hjsq-feature-item:hover {
    background: rgba(0, 217, 255, 0.2);
    transform: translateX(10px);
}

/* Footer */
.hjsq-footer {
    background: linear-gradient(to right, #0f0f0f 0%, #16213e 100%);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-top: 2px solid rgba(0, 217, 255, 0.3);
}

.hjsq-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.hjsq-footer-section h3 {
    color: #00d9ff;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.hjsq-footer-links {
    list-style: none;
}

.hjsq-footer-links li {
    margin-bottom: 0.8rem;
}

.hjsq-footer-links a {
    color: #b8b8b8;
    text-decoration: none;
    transition: all 0.3s ease;
}

.hjsq-footer-links a:hover {
    color: #00d9ff;
    padding-left: 5px;
}

.hjsq-footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hjsq-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hjsq-hero-title {
        font-size: 2.5rem;
    }

    .hjsq-about-content {
        grid-template-columns: 1fr;
    }

    .hjsq-video-grid {
        grid-template-columns: 1fr;
    }

    .hjsq-container {
        padding: 0 1rem;
    }
}

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

.hjsq-video-card, .hjsq-category-card {
    animation: fadeInUp 0.6s ease-out;
}