:root {
    --netflix-red: #E50914;
    --netflix-dark: #141414;
    --netflix-gray: #808080;
    --netflix-white: #FFFFFF;
    --netflix-hover: #2D2D2D;
    --netflix-border: #404040;
    --netflix-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--netflix-dark);
    color: var(--netflix-white);
    margin: 0;
    line-height: 1.4;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(20, 20, 20, 0.95);
    padding: 20px 4%;
    z-index: 1000;
    box-shadow: var(--netflix-shadow);
}

h1 {
    font-size: 3.125rem;
    font-weight: 700;
    text-align: center;
    margin: 80px 0 40px;
    color: var(--netflix-white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.45);
}

.content-grid {
    display: grid;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 4%;
}

.card {
    background: var(--netflix-hover);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border: 1px solid var(--netflix-border);
}

.card:hover {
    transform: scale(1.03);
    box-shadow: var(--netflix-shadow);
    z-index: 10;
}

.card-content {
    padding: 25px;
}

h2 {
    font-size: 1.625rem;
    margin-bottom: 15px;
    color: var(--netflix-white);
    border-left: 4px solid var(--netflix-red);
    padding-left: 12px;
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--netflix-white); /* 改为使用亮黄色变量 */
    margin-bottom: 20px;
}

a {
    color: var(--netflix-white);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--netflix-red);
}

.img-container {
    position: relative;
    margin: 20px 0;
    overflow: hidden;
    border-radius: 4px;
}

.img-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.img-container:hover img {
    transform: scale(1.05);
}

footer {
    background: rgba(20, 20, 20, 0.95);
    padding: 40px 4%;
    text-align: center;
    margin-top: 60px;
    border-top: 1px solid var(--netflix-border);
}

@media (max-width: 768px) {
    body {
        font-size: 16px; /* 增大移动端基础字号 */
    }
    .navbar {
        padding: 15px 20px;
    }
    
    .content-grid {
        padding: 15px;
        gap: 25px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin: 50px 0 25px;
    }
    
    h2 {
        font-size: 1.25rem;
        padding-left: 8px;
    }
    
    p {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .img-container {
        margin: 15px 0;
    }
    
    .card {
        margin-bottom: 12px;
    }
    
    footer {
        padding: 25px 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .navbar {
        padding: 12px 15px;
    }
    
    .content-grid {
        padding: 10px;
    }
    
    .card-content {
        padding: 12px;
    }
    
    .img-container img {
        border-radius: 3px;
    }
}

@media (min-width: 1200px) {
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}