:root {
    --bg-primary: #181a20;
    --bg-secondary: #23252e;
    --bg-dark: #12141a;
    --accent: #2777ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --online: #4CAF50;
    --warning: #FF9800;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', monospace;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--bg-secondary);
}

.logo {
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 1px;
}

.logo-main {
    color: var(--text-primary);
}

.logo-accent {
    color: var(--accent);
}

.header-info {
    text-align: right;
}

.status {
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 5px;
}

.status.online {
    background-color: var(--online);
    color: #000;
}

.stats {
    font-size: 13px;
    color: var(--text-secondary);
}

.main-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    background-color: var(--bg-secondary);
    border-radius: 5px;
    overflow: hidden;
}

.main-nav a {
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.main-nav a:hover {
    background-color: var(--accent);
    color: #000;
}

.announcement {
    background-color: var(--bg-secondary);
    border-radius: 5px;
    margin-bottom: 30px;
    overflow: hidden;
}

.title-bar {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background-color: var(--accent);
    color: #000;
    font-weight: bold;
}

.title-bar h2 {
    margin: 0;
    color: #000;
    font-size: 18px;
}

.title-bar .icon {
    margin-right: 10px;
    font-weight: bold;
}

.announcement .content {
    padding: 20px;
}

.announcement p {
    margin-bottom: 15px;
}

.info-section {
    background-color: var(--bg-secondary);
    border-radius: 5px;
    padding: 25px;
    margin-bottom: 30px;
}

.info-section.dark {
    background-color: var(--bg-dark);
}

.info-section h2 {
    margin-bottom: 20px;
    color: var(--accent);
    text-align: center;
    font-size: 24px;
}

.mirror-container {
    background-color: var(--bg-primary);
    border-radius: 5px;
    padding: 15px;
    margin: 20px 0;
}

.mirror-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.refresh {
    color: var(--accent);
    cursor: pointer;
    font-weight: bold;
}

.refresh:hover {
    text-decoration: underline;
}

.mirror-link {
    font-size: 18px;
    word-break: break-all;
    margin-bottom: 15px;
    padding: 12px;
    background-color: rgba(39, 119, 255, 0.1);
    border-radius: 3px;
    text-align: center;
    font-family: monospace;
}

.access-btn {
    display: block;
    width: 100%;
    padding: 14px;
    background-color: var(--accent);
    color: #000;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    border-radius: 3px;
    transition: background-color 0.3s;
    font-size: 16px;
    margin-top: 10px;
}

.access-btn:hover {
    background-color: #1a68e6;
}

.backup-mirrors {
    margin-top: 25px;
}

.backup-mirrors h3 {
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
}

.backup-mirrors ul {
    list-style: none;
    background-color: var(--bg-primary);
    border-radius: 5px;
    padding: 15px;
}

.backup-mirrors li {
    margin-bottom: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-secondary);
}

.backup-mirrors li:last-child {
    border-bottom: none;
}

.backup-mirrors a {
    color: var(--accent);
    text-decoration: none;
    word-break: break-all;
    font-family: monospace;
}

.backup-mirrors a:hover {
    text-decoration: underline;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.feature-card {
    background-color: var(--bg-primary);
    border-radius: 5px;
    padding: 20px;
    border: 1px solid rgba(39, 119, 255, 0.2);
}

.feature-card h3 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 18px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: 5px;
}

.stat-number {
    font-size: 28px;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.guide-steps {
    margin-top: 30px;
}

.step {
    display: flex;
    margin-bottom: 25px;
    align-items: flex-start;
}

.step-number {
    background-color: var(--accent);
    color: #000;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 18px;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.security-card {
    background-color: var(--bg-primary);
    border-radius: 5px;
    padding: 20px;
    text-align: center;
}

.security-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background-color: var(--accent);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.security-card h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.security-tips {
    margin-top: 40px;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: 5px;
}

.security-tips h3 {
    color: var(--accent);
    margin-bottom: 15px;
    text-align: center;
}

.security-tips ul {
    list-style-position: inside;
    padding-left: 10px;
}

.security-tips li {
    margin-bottom: 10px;
}

.faq-item {
    margin-bottom: 25px;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: 5px;
}

.faq-item h3 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 18px;
}

footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--bg-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 18px;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-primary);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 14px;
}

.tech-info {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

.tech-info span {
    margin: 0 5px;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-info {
        text-align: left;
        margin-top: 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
    }
    
    .main-nav a {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .features-grid, .stats-grid, .security-features, .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .info-section {
        padding: 20px 15px;
    }
}