body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    overflow-y: hidden;
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2.2em;
    border-bottom: 2px solid #eee;
    padding-bottom: 15px;
}

.server-grid-container {
    display: flex; 
    flex-wrap: wrap; 
    justify-content: space-between; 
    gap: 20px; 
    margin-bottom: 30px; 
}

.server-section {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    flex: 1; 
    min-width: 300px; 
}

.server-title {
    color: #3498db;
    font-size: 1.8em;
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 1px dashed #d0d0d0;
}

.patch-scroll-container {
    max-height: 350px;
    overflow-y: auto; 
    padding-right: 15px;
    margin-right: -15px;
    border: 1px solid #e9e9e9;
    border-radius: 5px;
    background-color: #ffffff;
    margin-bottom: 0; 
}

.patch-scroll-container::-webkit-scrollbar {
    width: 10px;
}
.patch-scroll-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 5px;
}
.patch-scroll-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}
.patch-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}


.patch-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.patch-list li {
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 15px;
    padding: 15px 20px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.patch-list li:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.patch-list li a {
    text-decoration: none;
    color: #2980b9;
    font-weight: bold;
    font-size: 1.1em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.patch-name {
    flex-grow: 1;
}

.patch-size {
    font-size: 0.9em;
    color: #7f8c8d;
    background-color: #ecf0f1;
    padding: 4px 8px;
    border-radius: 3px;
    margin-left: 15px;
}

.patch-description {
    font-size: 0.95em;
    color: #555;
    margin: 0;
    padding-left: 5px; 
}

.installation-guide {
    background-color: #eaf7ff;
    border: 1px solid #b3e0ff;
    border-radius: 8px;
    padding: 15px 20px;
    margin-top: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.installation-guide h2 {
    color: #2980b9;
    text-align: center;
    margin-bottom: 10px;
    font-size: 1.6em;
}

.installation-guide h3 {
    color: #34495e;
    margin-top: 15px;
    margin-bottom: 8px;
    font-size: 1.2em;
    border-bottom: 1px dashed #c0e1f7;
    padding-bottom: 3px;
}

.installation-guide ol {
    list-style: decimal; 
    margin-left: 15px;
    padding-left: 0;
}

.installation-guide ol li {
    margin-bottom: 5px;
    color: #444;
    font-size: 0.88em;
}

.installation-guide p {
    margin-top: 10px;
    margin-bottom: 5px;
    color: #444;
    font-size: 0.88em;
}

.installation-guide .note {
    font-weight: bold;
    color: #c0392b; 
    background-color: #ffeaea;
    border: 1px solid #e74c3c;
    padding: 7px 10px;
    border-radius: 5px;
    margin-top: 15px; 
    display: inline-block; 
    font-size: 0.82em;
}


@media (max-width: 992px) { 
    .server-grid-container {
        flex-direction: column; 
        align-items: center; 
    }
    .server-section {
        width: 100%; 
        max-width: 500px; 
        margin-bottom: 20px; 
    }
}

@media (max-width: 768px) {
    .container {
        margin: 20px auto;
        padding: 15px 20px;
    }

    h1 {
        font-size: 1.8em;
    }

    .server-title {
        font-size: 1.5em;
    }

    .patch-list li a {
        flex-direction: column;
        align-items: flex-start;
    }

    .patch-size {
        margin-left: 0;
        margin-top: 5px;
    }

    .installation-guide {
        padding: 15px;
    }
    .installation-guide h2 {
        font-size: 1.5em;
    }
    .installation-guide h3 {
        font-size: 1.1em;
    }
    .installation-guide ol li,
    .installation-guide p {
        font-size: 0.85em;
    }
    .installation-guide .note {
        font-size: 0.78em;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 10px auto;
        padding: 10px 15px;
    }

    h1 {
        font-size: 1.5em;
    }

    .server-title {
        font-size: 1.3em;
    }

    .patch-list li {
        padding: 10px 15px;
    }
    .installation-guide h2 {
        font-size: 1.3em;
    }
    .installation-guide h3 {
        font-size: 1em;
    }
    .installation-guide ol li,
    .installation-guide p {
        font-size: 0.8em;
    }
    .installation-guide .note {
        font-size: 0.75em;
        padding: 5px 8px;
    }
}