.activity-hero {
    margin: 50px 0 22px;
    padding: 28px 30px;
    border-radius: 24px;
    background: linear-gradient(180deg, #1b1d25 0%, #14161d 100%);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.activity-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at top right, rgba(177, 45, 63, 0.16), transparent 34%);
}

.activity-hero > * {
    position: relative;
    z-index: 1;
}

.activity-hero .eyebrow {
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--gold);
}

.activity-hero h1 {
    margin: 0;
    font-size: clamp(40px, 6vw, 58px);
    line-height: 1;
    letter-spacing: -0.03em;
}

.activity-hero p {
    margin: 10px 0 0;
    font-size: 15px;
    color: var(--muted);
}

.activity-feed-wrap {
    margin-bottom: 40px;
    padding: 20px;
    background: var(--panel);
    border-radius: 20px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.activity-feed-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.activity-feed-head h2 {
    margin: 0;
    font-size: 26px;
}

.page-note {
    font-size: 13px;
    color: var(--muted);
}

.activity-list {
    display: grid;
    gap: 16px;
}

.activity-card {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
}

.activity-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.activity-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(177, 45, 63, 0.14);
    border: 1px solid rgba(177, 45, 63, 0.22);
    color: #ffd7dc;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.activity-meta-top time {
    color: var(--muted);
    font-size: 13px;
}

.activity-card h3 {
    margin: 0 0 8px;
    font-size: 22px;
}

.activity-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.activity-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.activity-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text);
    text-decoration: none;
    background: rgba(255,255,255,0.03);
}

.activity-link:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.activity-empty {
    padding: 18px 20px;
    border-radius: 16px;
    background: rgba(255,255,255,0.025);
    border: 1px dashed rgba(255,255,255,0.08);
}

.activity-empty strong {
    display: block;
    margin-bottom: 6px;
    color: #fff;
}

.activity-empty p {
    margin: 0;
    color: var(--muted);
}

@media (max-width: 720px) {
    .activity-feed-head,
    .activity-meta-top {
        flex-direction: column;
        align-items: flex-start;
    }
}