* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #FFFFFF;
    color: #17191b;
    line-height: 1.68;
    font-size: 15.8px;
}

.container {
    max-width: 1520px;
    margin: 0 auto;
    padding: 0 32px;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0 22px;
    border-bottom: 1px solid #eaeaea;
    margin-bottom: 42px;
    flex-wrap: wrap;
    gap: 20px;
}

.logo img {
    height: 44px;
    width: auto;
    display: block;
}

.mirrors {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}

.mirror-label {
    font-size: 13.2px;
    letter-spacing: 1.8px;
    color: #6b6b6b;
    font-weight: 600;
    white-space: nowrap;
    text-transform: uppercase;
}

.mirror-link {
    color: #17191b;
    text-decoration: none;
    font-size: 14.8px;
    transition: color 0.2s ease;
}

.mirror-link:hover {
    color: #313c48;
}

.status {
    font-size: 14px;
    color: #555;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    white-space: nowrap;
}

.status-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    background-color: #00cc66;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(0, 204, 102, 0.15);
    animation: pulse 2.2s infinite ease-in-out;
}

.main-grid {
    display: grid;
    grid-template-columns: 268px 1fr;
    gap: 52px;
}

.sidebar {
    border-right: 1px solid #f0f0f0;
    padding-right: 38px;
}

.nav-item {
    display: block;
    padding: 15px 24px;
    color: #555;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.25s ease;
    border-left: 4px solid transparent;
    margin-bottom: 3px;
    border-radius: 0 6px 6px 0;
}

.nav-item:hover {
    background-color: #fafafa;
    color: #17191b;
}

.nav-item.active {
    color: #17191b;
    background-color: #f8f8f8;
    border-left-color: #17191b;
}

.sidebar-info {
    margin-top: 68px;
}

.info-block {
    margin-bottom: 26px;
    font-size: 14.2px;
    color: #666;
    line-height: 1.55;
}

.info-block strong {
    color: #17191b;
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
}

.content {
    padding-right: 12px;
}

.section-header h1 {
    font-size: 39px;
    font-weight: 700;
    letter-spacing: -1.4px;
    margin-bottom: 10px;
    color: #17191b;
}

.subtitle {
    font-size: 19.5px;
    color: #707070;
    margin-bottom: 38px;
}

.full-image {
    width: 100%;
    height: auto;
    border: 1px solid #f0f0f0;
    margin-bottom: 36px;
    border-radius: 4px;
    box-shadow: 0 8px 28px rgba(23, 25, 27, 0.06);
    transition: transform 0.4s ease;
}

.full-image:hover {
    transform: translateY(-3px);
}

.description {
    font-size: 16.1px;
    color: #2f2f2f;
    max-width: 740px;
}

.description h2 {
    font-size: 25px;
    font-weight: 600;
    margin: 34px 0 16px;
    color: #17191b;
}

.description ul,
.description ol {
    margin: 22px 0 26px;
    padding-left: 26px;
}

.description li {
    margin-bottom: 13px;
    padding-left: 4px;
}

.wallet-info {
    font-size: 16px;
    color: #2f2f2f;
}

.address {
    font-family: ui-monospace, monospace;
    background: #f9f9f9;
    padding: 17px 22px;
    border: 1px solid #e8e8e8;
    margin: 16px 0 22px;
    border-radius: 4px;
    word-break: break-all;
    font-size: 15.2px;
    color: #17191b;
}

.login-container {
    max-width: 560px;
    margin: 0 auto 34px;
}

.login-image {
    width: 100%;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    box-shadow: 0 12px 38px rgba(23, 25, 27, 0.08);
}

.login-note {
    font-size: 15.8px;
    color: #444;
    background: #fafafa;
    padding: 26px 28px;
    border-left: 5px solid #17191b;
    border-radius: 0 4px 4px 0;
}

.footer {
    margin-top: 100px;
    padding: 32px 0 40px;
    border-top: 1px solid #eaeaea;
    display: flex;
    justify-content: space-between;
    font-size: 13.2px;
    color: #777;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-left,
.footer-right {
    font-weight: 500;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

a {
    transition: color 0.2s ease;
}

a:hover {
    color: #313c48;
}

@media (max-width: 1120px) {
    .main-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .sidebar {
        border-right: none;
        border-bottom: 1px solid #f0f0f0;
        padding-bottom: 40px;
        padding-right: 0;
    }
    .top-bar {
        padding-bottom: 18px;
    }
}

@media (max-width: 680px) {
    .container {
        padding: 0 20px;
    }
    .section-header h1 {
        font-size: 32px;
    }
    .mirrors {
        gap: 14px;
    }
}

.section {
    display: none;
}

.section:target {
    display: block;
}

#home {
    display: block;
}