/* ========================================
   lab-page.css — Research Lab 页样式
   ======================================== */

.lab-hero {
    text-align: center;
    padding: 3rem 1.25rem 2rem;
    background: radial-gradient(ellipse at 50% 0%, rgba(212,162,76,0.05) 0%, transparent 60%);
}
.lab-hero h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #f5f5f5;
    margin-bottom: 0.5rem;
}
.lab-hero h1 span { color: var(--gold); }
.lab-hero .slogan {
    font-size: 0.85rem;
    color: var(--gold);
    font-style: italic;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}
.lab-hero .slogan-cn {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 1rem;
}
.lab-hero .mission {
    font-size: 0.9rem;
    color: #aaa;
    max-width: 560px;
    margin: 0 auto 0.75rem;
    line-height: 1.7;
}
.lab-hero .independence {
    font-size: 0.78rem;
    color: #666;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

.lab-section {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.25rem;
}
.lab-section + .lab-section { padding-top: 0; }
.lab-section-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #f5f5f5;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.lab-section-title i { color: var(--gold); font-size: 0.95rem; }
.lab-section-title a {
    margin-left: auto;
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--muted);
}
.lab-section-title a:hover { color: var(--gold); }

/* YZ Index card */
.yz-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    border-radius: 10px;
    padding: 1.5rem;
}
.yz-card-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.yz-card-head h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #f5f5f5;
}
.yz-card-head .badge {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    background: rgba(212,162,76,0.15);
    color: var(--gold);
    border-radius: 4px;
}
.yz-card-desc {
    font-size: 0.88rem;
    color: #aaa;
    line-height: 1.65;
    margin-bottom: 1rem;
}
.yz-card-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.yz-card-stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.yz-card-stat .val { font-size: 0.95rem; font-weight: 600; color: #f5f5f5; }
.yz-card-stat .val.gold { color: var(--gold); }
.yz-card-stat .lbl { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

.yz-card-top3 { margin-bottom: 1rem; }
.yz-card-top3 .rank {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    font-size: 0.88rem;
    color: #ccc;
}
.yz-card-top3 .rank .medal { font-size: 1rem; }
.yz-card-top3 .rank .score { margin-left: auto; color: var(--gold); font-weight: 600; }

.yz-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(212,162,76,0.3);
    border-radius: 6px;
    font-size: 0.88rem;
    color: var(--gold);
    transition: all .2s;
}
.yz-card-link:hover { border-color: var(--gold); background: rgba(212,162,76,0.08); }

/* Reports list */
.lab-reports { display: flex; flex-direction: column; gap: 0.5rem; }
.lab-report-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all .2s;
}
.lab-report-item:hover { border-color: var(--gold); transform: translateX(2px); }
.lab-report-item .rp-badge {
    flex-shrink: 0;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    background: rgba(212,162,76,0.12);
    color: var(--gold);
    border-radius: 3px;
}
.lab-report-item .rp-title {
    flex: 1;
    min-width: 0;
    font-size: 0.9rem;
    color: #ddd;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.lab-report-item .rp-date { flex-shrink: 0; font-size: 0.72rem; color: #555; }

/* Footer block */
.lab-footer-block {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.lab-footer-card {
    flex: 1;
    min-width: 200px;
    padding: 1.25rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all .2s;
}
.lab-footer-card:hover { border-color: rgba(255,255,255,0.12); }
.lab-footer-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: #f5f5f5;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.lab-footer-card h4 i { color: var(--gold); font-size: 0.8rem; }
.lab-footer-card p {
    font-size: 0.82rem;
    color: #888;
    line-height: 1.6;
}
.lab-footer-card a { color: var(--gold); border-bottom: 1px solid rgba(212,162,76,0.3); }

/* Direction cards */
.dir-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.dir-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
}
.dir-card--primary { border-left: 3px solid var(--gold); }
.dir-card--secondary { border-left: 3px solid #f59e0b; }
.dir-card-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}
.dir-card-head i { color: var(--gold); font-size: 1rem; }
.dir-card-head h3 { font-size: 0.95rem; font-weight: 700; color: #f5f5f5; }
.dir-status {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    letter-spacing: 0.03em;
    margin-left: auto;
    flex-shrink: 0;
}
.dir-status--active { background: rgba(34,197,94,0.15); color: #22c55e; }
.dir-status--wip { background: rgba(245,158,11,0.15); color: #f59e0b; }
.dir-card-desc {
    font-size: 0.82rem;
    color: #999;
    line-height: 1.55;
    margin-bottom: 0.75rem;
    flex: 1;
}
.dir-card-output {
    font-size: 0.78rem;
    color: #777;
    padding: 0.5rem 0;
    border-top: 1px solid var(--border);
    margin-bottom: 0.6rem;
}
.dir-card-output strong { color: #bbb; font-weight: 500; }
.dir-card-output .pending { color: #666; font-style: italic; }
.dir-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--gold);
    padding: 0.35rem 0.85rem;
    border: 1px solid rgba(212,162,76,0.25);
    border-radius: 5px;
    transition: all .2s;
    align-self: flex-start;
}
.dir-card-btn:hover { border-color: var(--gold); background: rgba(212,162,76,0.08); }
.dir-card-btn i { font-size: 0.7rem; }

@media (max-width: 900px) {
    .dir-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .lab-hero h1 { font-size: 1.4rem; }
    .yz-card-stats { gap: 1rem; }
    .lab-footer-block { flex-direction: column; }
    .dir-grid { grid-template-columns: 1fr; }
}