* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.hjsq-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hjsq-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

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

.hjsq-logo {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hjsq-nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.hjsq-nav-link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 20px;
}

.hjsq-nav-link:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.hjsq-login-btn {
    background: #fff;
    color: #667eea;
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.hjsq-login-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255,255,255,0.3);
}

.hjsq-mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

.hjsq-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 150px 0 100px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hjsq-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

.hjsq-hero-content {
    position: relative;
    z-index: 1;
}

.hjsq-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: hjsq-fadeInDown 1s ease;
}

.hjsq-hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: hjsq-fadeInUp 1s ease 0.3s both;
}

.hjsq-hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: hjsq-fadeInUp 1s ease 0.6s both;
}

.hjsq-btn-primary, .hjsq-btn-secondary {
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.hjsq-btn-primary {
    background: #fff;
    color: #667eea;
}

.hjsq-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255,255,255,0.3);
}

.hjsq-btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.hjsq-btn-secondary:hover {
    background: #fff;
    color: #667eea;
}

.hjsq-section {
    padding: 80px 0;
}

.hjsq-section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
    position: relative;
    padding-bottom: 20px;
}

.hjsq-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.hjsq-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.hjsq-feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.hjsq-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.hjsq-feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
}

.hjsq-feature-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.hjsq-feature-desc {
    color: #666;
    line-height: 1.8;
}

.hjsq-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.hjsq-gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.hjsq-gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.hjsq-gallery-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.hjsq-gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 20px;
    color: #fff;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

.hjsq-gallery-item:hover .hjsq-gallery-overlay {
    transform: translateY(0);
}

.hjsq-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 40px;
}

.hjsq-about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #667eea;
}

.hjsq-about-text p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.8;
}

.hjsq-about-img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.hjsq-community-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.hjsq-stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    color: #fff;
}

.hjsq-stat-number {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 10px;
}

.hjsq-stat-label {
    font-size: 16px;
    opacity: 0.9;
}

.hjsq-cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.hjsq-cta-title {
    font-size: 42px;
    margin-bottom: 20px;
}

.hjsq-cta-desc {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hjsq-footer {
    background: #2d3748;
    color: #fff;
    padding: 60px 0 20px;
}

.hjsq-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.hjsq-footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #667eea;
}

.hjsq-footer-section ul {
    list-style: none;
}

.hjsq-footer-section li {
    margin-bottom: 10px;
}

.hjsq-footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.hjsq-footer-section a:hover {
    color: #fff;
}

.hjsq-footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 20px;
    text-align: center;
    color: #a0aec0;
}

.hjsq-fade-in {
    opacity: 0;
    transition: opacity 1s ease;
}

.hjsq-fade-in.hjsq-visible {
    opacity: 1;
}

.hjsq-slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.hjsq-slide-up.hjsq-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes hjsq-fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hjsq-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hjsq-nav {
        display: none;
    }

    .hjsq-mobile-menu-btn {
        display: block;
    }

    .hjsq-mobile-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #667eea;
        flex-direction: column;
        padding: 20px;
    }

    .hjsq-mobile-menu.hjsq-menu-active {
        display: flex;
    }

    .hjsq-hero h1 {
        font-size: 32px;
    }

    .hjsq-hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .hjsq-section-title {
        font-size: 28px;
    }
}