/* 顶部动态公告条 + 底部引导卡片 */

/* 与主顶栏分层：公告条吸顶，页面标题栏吸顶在其下方 */
.ucp-announce-strip {
    position: sticky;
    top: 0;
    z-index: 60;
    flex-shrink: 0;
    background: linear-gradient(90deg, #c2410c 0%, #ea580c 45%, #fb923c 100%);
    color: #fff7ed;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 4px 20px rgba(234, 88, 12, 0.25);
    z-index: 50;
}

.ucp-announce-strip-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    max-width: 100%;
}

.ucp-announce-strip-label {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.95;
}

.ucp-announce-marquee {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 12px), transparent);
}

.ucp-announce-marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: ucp-marquee-scroll 48s linear infinite;
}

.ucp-announce-marquee--static .ucp-announce-marquee-track {
    animation: none;
}

.ucp-announce-strip:hover .ucp-announce-marquee:not(.ucp-announce-marquee--static) .ucp-announce-marquee-track {
    animation-play-state: paused;
}

@keyframes ucp-marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.ucp-announce-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
    font-size: 0.875rem;
    padding: 2px 0;
    margin-right: 4px;
}

.ucp-announce-link:hover .ucp-announce-title {
    text-decoration: underline;
}

.ucp-announce-badge {
    font-size: 0.65rem !important;
    padding: 2px 6px !important;
}

.ucp-announce-title {
    font-weight: 500;
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (min-width: 900px) {
    .ucp-announce-title {
        max-width: 520px;
    }
}

.ucp-announce-sep {
    opacity: 0.45;
    margin: 0 10px;
    user-select: none;
}

.ucp-announce-more {
    flex-shrink: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    opacity: 0.92;
    white-space: nowrap;
}

.ucp-announce-more:hover {
    text-decoration: underline;
}

/* 底部双按钮引导 */
.footer-cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
    max-width: 920px;
    margin: 0 auto var(--space-xl);
    padding: 0 var(--space-md);
}

.footer-cta-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #c2410c 0%, #ea580c 55%, #fb923c 100%);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 12px 40px rgba(234, 88, 12, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.footer-cta-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(234, 88, 12, 0.45);
    color: #fff;
}

.footer-cta-card--connect {
    background: linear-gradient(135deg, #16a34a 0%, #22c55e 55%, #4ade80 100%);
    box-shadow: 0 16px 52px rgba(34, 197, 94, 0.45);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px) scale(1.02);
}

.footer-cta-card--connect:hover {
    box-shadow: 0 20px 58px rgba(34, 197, 94, 0.55);
    transform: translateY(-5px) scale(1.03);
}

.footer-cta-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.footer-cta-card-body {
    flex: 1;
    min-width: 0;
}

.footer-cta-card-title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 0 0 4px;
    letter-spacing: -0.02em;
}

.footer-cta-card-desc {
    font-size: 0.8125rem;
    opacity: 0.88;
    margin: 0;
    line-height: 1.4;
}

.footer-cta-card-arrow {
    font-size: 1.25rem;
    opacity: 0.85;
    flex-shrink: 0;
}

/* 顶栏头像 */
.topbar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(234, 88, 12, 0.35);
    vertical-align: middle;
    margin-right: 8px;
    background: var(--bg-tertiary);
}

.main-content:has(.ucp-announce-strip) > .topbar {
    position: sticky;
    top: 46px;
    z-index: 55;
}

@media (max-width: 768px) {
    .main-content:has(.ucp-announce-strip) > .topbar {
        top: 44px;
    }
}

.topbar-avatar--placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
}