.hero-bg {
    background-image: url('https://filetx.3633yx.com/240625-e340585cfafb486a8902ee384890b050.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed
}

.hero-overlay {
    background: linear-gradient(135deg, rgba(123, 104, 238, 0.85) 0%, rgba(76, 175, 80, 0.75) 100%)
}

.hero-title {
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.6);
    letter-spacing: 2px
}

.hero-subtitle {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px
}

.feature-icon {
    background: linear-gradient(135deg, #7B68EE 0%, #9B59B6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid rgba(123, 104, 238, 0.1)
}

.card:hover {
    border-color: rgba(123, 104, 238, 0.3)
}

.section-title {
    position: relative;
    display: inline-block;
    width: 100%
}

.section-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FFD700 0%, #FFA500 100%);
    border-radius: 2px
}

.article-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid rgba(123, 104, 238, 0.1)
}

.article-card:hover {
    border-color: rgba(123, 104, 238, 0.3)
}

.article-title {
    color: #2D2D2D;
    transition: color 0.3s ease
}

.article-card:hover .article-title {
    color: #7B68EE
}

.code-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden
}

.code-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: shine 3s infinite
}

@keyframes shine {
    0% {
        transform: rotate(0deg)
    }
    100% {
        transform: rotate(360deg)
    }
}

.code-text {
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3)
}

.btn-primary {
    background: linear-gradient(135deg, #7B68EE 0%, #9B59B6 100%);
    position: relative;
    overflow: hidden
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease
}

.btn-primary:hover::before {
    left: 100%
}

.btn-secondary {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    position: relative;
    overflow: hidden
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease
}

.btn-secondary:hover::before {
    left: 100%
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem
    }

    .hero-subtitle {
        font-size: 1rem
    }

    .feature-icon {
        font-size: 2.5rem
    }
}