:root {
    --help-bg: #f4f7fb;
    --help-card: #ffffff;
    --help-line: #dbe4ee;
    --help-text: #152234;
    --help-muted: #5f7086;
    --help-accent: #0d6efd;
    --help-accent-soft: #eaf2ff;
}
body {
    background: linear-gradient(180deg, #f8fbff 0%, var(--help-bg) 100%);
    color: var(--help-text);
}
.help-shell {
    max-width: 1220px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}
.help-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--help-line);
    border-radius: 18px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}
.help-brand {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
}
.help-subline {
    color: var(--help-muted);
    margin-top: 0.15rem;
}
.help-card {
    background: var(--help-card);
    border: 1px solid var(--help-line);
    border-radius: 18px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
}
.help-card-body {
    padding: 1.4rem;
}
.help-hero {
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}
.help-category-title {
    margin: 1.8rem 0 0.85rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #355070;
}
.help-article-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.6rem;
}
.help-article-card p {
    color: var(--help-muted);
    margin-bottom: 1rem;
}
.help-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.7rem;
    background: var(--help-accent-soft);
    color: var(--help-accent);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}
.help-breadcrumb a {
    color: var(--help-accent);
    text-decoration: none;
}
.help-breadcrumb {
    margin-bottom: 1rem;
    color: var(--help-muted);
}
.help-article-header {
    padding: 1.6rem;
    margin-bottom: 1.25rem;
}
.help-article-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}
.help-sidebar {
    position: sticky;
    top: 16px;
}
.help-toc {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.help-toc a {
    color: #355070;
    text-decoration: none;
    font-size: 0.95rem;
}
.help-toc a:hover {
    color: var(--help-accent);
}
.help-article-section + .help-article-section {
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid #edf2f7;
}
.help-article-section h2 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    scroll-margin-top: 16px;
}
.help-article-section p {
    margin-bottom: 0.75rem;
    color: #334155;
}
.help-article-section ul {
    margin: 0;
    padding-left: 1.2rem;
}
.help-article-section li + li {
    margin-top: 0.45rem;
}
.help-screenshot-placeholder {
    margin-top: 1rem;
    padding: 1rem 1.1rem;
    border: 1px dashed #b9cfe6;
    border-radius: 14px;
    background: linear-gradient(180deg, #fbfdff 0%, #f1f6fc 100%);
}
.help-screenshot-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #355070;
    margin-bottom: 0.35rem;
}
.help-screenshot-text {
    color: var(--help-muted);
    font-size: 0.95rem;
}
.help-search-form .form-control {
    min-height: 46px;
}
.help-quicknav-card {
    margin-bottom: 1.5rem;
}
.help-quicknav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}
.help-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--help-muted);
    font-size: 0.95rem;
}
@media (max-width: 992px) {
    .help-article-layout {
        grid-template-columns: 1fr;
    }
    .help-sidebar {
        position: static;
    }
}
@media (max-width: 768px) {
    .help-topbar {
        flex-direction: column;
        align-items: flex-start;
    }
}
@media print {
    body {
        background: #ffffff;
    }
    .print-hidden,
    .help-topbar,
    .help-footer {
        display: none !important;
    }
    .help-shell {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    .help-card {
        border: 0;
        box-shadow: none;
    }
    .help-article-layout {
        display: block;
    }
}