.an-page {
    background: #08090f;
    padding: 36px 0 64px;
}
.an-shell {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}
.an-side {
    position: sticky;
    top: 88px;
    background: #10121a;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px;
    overflow: hidden;
    max-height: calc(100vh - 110px);
    display: flex;
    flex-direction: column;
}
.an-side-head {
    padding: 16px 16px 12px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    flex-shrink: 0;
}
.an-side-title {
    margin: 0;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .3px;
}
.an-side-sub {
    margin: 4px 0 0;
    font-size: 11px;
    color: rgba(255,255,255,.35);
}
.an-side-list {
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}
.an-side-item {
    display: block;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,.04);
    text-decoration: none;
    transition: background .15s, border-color .15s;
    border-left: 3px solid transparent;
}
.an-side-item:hover {
    background: rgba(255,255,255,.03);
    text-decoration: none;
}
.an-side-item.is-active {
    background: rgba(238,85,25,.08);
    border-left-color: #ee5519;
}
.an-side-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}
.an-side-cat {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .6px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
}
.an-side-date {
    font-size: 10px;
    color: rgba(255,255,255,.28);
    white-space: nowrap;
}
.an-side-item-title {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255,255,255,.88);
    line-height: 1.45;
    margin: 0 0 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.an-side-item.is-active .an-side-item-title { color: #fbbf24; }
.an-side-item-excerpt {
    font-size: 11px;
    color: rgba(255,255,255,.35);
    line-height: 1.45;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.an-main {
    background: #10121a;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px;
    overflow: hidden;
    min-height: 420px;
}
.an-main-empty {
    padding: 80px 24px;
    text-align: center;
    color: rgba(255,255,255,.3);
}
.an-main-empty i {
    font-size: 42px;
    margin-bottom: 12px;
    display: block;
    opacity: .45;
}
.an-hero-img {
    width: 100%;
    max-height: 260px;
    object-fit: cover;
    display: block;
    background: #0a0b10;
}
.an-main-body { padding: 24px 26px 28px; }
.an-main-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin-bottom: 14px;
}
.an-main-cat {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .5px;
    text-transform: uppercase;
    padding: 4px 11px;
    border-radius: 999px;
    border: 1px solid transparent;
}
.an-main-meta-item {
    font-size: 11px;
    color: rgba(255,255,255,.38);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.an-main-title {
    margin: 0 0 18px;
    font-size: clamp(1.25rem, 2.2vw, 1.75rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.35;
}
.an-main-content {
    font-size: 14px;
    line-height: 1.85;
    color: rgba(255,255,255,.72);
    white-space: pre-wrap;
    word-break: break-word;
    border-top: 1px solid rgba(255,255,255,.06);
    padding-top: 18px;
}

@media (max-width: 991px) {
    .an-shell { grid-template-columns: 1fr; }
    .an-side {
        position: static;
        max-height: 320px;
    }
}
@media (max-width: 576px) {
    .an-page { padding: 24px 0 48px; }
    .an-main-body { padding: 18px 16px 22px; }
    .an-side-item { padding: 12px 14px; }
}