* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: #050816;
    color: #e5e7eb;
    line-height: 1.7;
    padding: 0;
}
a { color: #60a5fa; text-decoration: none; }
a:hover { text-decoration: underline; }
header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(5, 8, 22, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}
.navbar {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}
.nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid rgba(96, 165, 250, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #bfdbfe;
    background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.5), transparent),
                radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.6), transparent);
}
.logo-text-main {
    font-size: 16px;
    font-weight: 600;
}
.logo-text-sub {
    font-size: 11px;
    color: #9ca3af;
}
.nav-links {
    display: flex;
    gap: 18px;
    font-size: 13px;
}
.nav-links a {
    padding: 4px 0;
}
.nav-links a.active {
    color: #f97316;
}
main {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}
.page-breadcrumb {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 14px;
}
.page-breadcrumb a { color: #9ca3af; }
.page-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
}
.page-subtitle {
    font-size: 14px;
    color: #9ca3af;
    margin-bottom: 24px;
}
.section {
    margin-bottom: 26px;
    padding: 18px 18px 18px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.10), transparent 55%),
                radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.18), transparent 60%),
                rgba(15, 23, 42, 0.9);
}
.section h2 {
    font-size: 18px;
    margin-bottom: 8px;
}
.section h3 {
    font-size: 15px;
    margin: 10px 0 4px;
}
.section p {
    font-size: 14px;
    margin-bottom: 6px;
}
.section ul {
    margin-left: 18px;
    margin-top: 4px;
}
.section li {
    font-size: 14px;
    margin-bottom: 4px;
}
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}
.tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    color: #9ca3af;
}
.footer {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px 32px;
    font-size: 11px;
    color: #6b7280;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}
.card-link {
    display: block;
    padding: 14px 14px 12px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: rgba(15, 23, 42, 0.9);
}
.card-link-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}
.card-link-desc {
    font-size: 12px;
    color: #9ca3af;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 999px;
    border: 1px solid rgba(248, 250, 252, 0.25);
    background: rgba(15, 23, 42, 0.9);
    margin-top: 6px;
}
.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: #22c55e;
}
code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 12px;
    background: rgba(15, 23, 42, 0.9);
    padding: 1px 4px;
    border-radius: 4px;
}