:root {
    --primary-color: #ff3366;
    --secondary-color: #7133ff;
    --dark-color: #121212;
    --light-color: #f8f9fa;
    --text-color: #343a40;
    --text-light: #6c757d;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark-color);
    color: white;
    line-height: 1.6;
}


.hero-section {
    position: relative;
    min-height: 80vh;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a1a 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/continent.jpg') no-repeat center center;
    background-size: 100% auto;
    opacity: 0.3;
    z-index: 0;
    transform: translateY(-50%);
    background-color: var(--dark-color);
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.channels-section {
    padding: 80px 0;
    background: #000000;
}

.channel-category {
    margin-bottom: 60px;
}

.category-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: white;
    text-align: center;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.platform-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.platform-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.platform-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 20px;
}

.platform-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 10px;
}

.platform-region {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 15px;
}

.platform-stats {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.xiaogequ.com/static/images/pattern.svg') repeat;
    opacity: 0.1;
}

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

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-white {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
}

.process-section {
    padding: 100px 0;
    background: var(--primary-color);
    background: linear-gradient(45deg, #4169E1, #4B0082);
    color: white;
    text-align: center;
}

.process-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.process-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 4rem;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin: 0 auto 4rem;
    max-width: 1000px;
    gap: 30px;
}

.step {
    flex: 1;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -15px;
    width: 30px;
    height: 2px;
    border-top: 3px dotted rgba(255,255,255,0.5);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: 2px solid rgba(255,255,255,0.2);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.step-label {
    font-size: 1rem;
    line-height: 1.4;
}

.process-cta {
    margin-top: 3rem;
}

.process-cta .btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 30px;
    background: white;
    color: var(--primary-color);
    border: none;
    transition: all 0.3s ease;
}

.process-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }

    .step:not(:last-child)::after {
        top: auto;
        bottom: -20px;
        right: 50%;
        width: 2px;
        height: 20px;
        border-top: none;
        border-left: 3px dotted rgba(255,255,255,0.5);
    }
}

.features-section {
    padding: 100px 0;
    background: #fff;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1.5rem;
}

.features-desc {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.feature-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: #4169E1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: #4169E1;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 24px;
    color: #fff;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .features-title {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
}

@media (min-width: 1920px) {
    .hero-section {
        min-height: 70vh;
    }
}