/* Accmaa platform tour page — stamp 20260818a */
.platform-tour-page {
    max-width: 960px;
    margin: 0 auto;
}
.platform-tour-intro .page-title {
    margin-top: 8px;
}
.platform-tour-lead {
    color: var(--muted, #5a6a7a);
    font-size: 1.05rem;
    line-height: 1.75;
    margin: 0 0 20px;
}
.platform-tour-player-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: #061830;
    border: 1px solid rgba(212, 175, 55, 0.35);
    box-shadow: 0 18px 48px rgba(10, 54, 105, 0.14);
}
.platform-tour-video {
    display: block;
    width: 100%;
    max-height: min(72vh, 540px);
    background: #061830;
    vertical-align: top;
}
.platform-tour-chapters {
    margin-top: 28px;
}
.platform-tour-chapters h2 {
    font-size: 1.15rem;
    margin: 0 0 6px;
    color: var(--primary, #0A3669);
}
.platform-tour-chapters__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
    margin-top: 14px;
}
.platform-tour-chapter {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: start;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border, #e2e8f0);
    background: var(--surface, #fff);
    color: inherit;
    cursor: pointer;
    font: inherit;
    transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.platform-tour-chapter:hover,
.platform-tour-chapter.is-active {
    border-color: var(--gold, #D4AF37);
    background: rgba(212, 175, 55, 0.08);
    transform: translateY(-1px);
}
.platform-tour-chapter__num {
    font-weight: 800;
    font-size: 0.78rem;
    color: var(--gold, #D4AF37);
    min-width: 1.6rem;
}
.platform-tour-chapter i {
    color: var(--primary, #0A3669);
    width: 1.1rem;
    text-align: center;
}
.platform-tour-chapter__title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
}
.platform-tour-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}
.platform-tour-note {
    margin-top: 18px;
    font-size: 0.86rem;
    color: var(--muted, #5a6a7a);
    line-height: 1.6;
}
.dash-quick-item--tour {
    border-color: rgba(212, 175, 55, 0.55) !important;
    background: linear-gradient(135deg, rgba(10, 54, 105, 0.06), rgba(212, 175, 55, 0.12));
}
.dash-quick-item--tour i {
    color: var(--gold, #D4AF37);
}
@media (max-width: 640px) {
    .platform-tour-chapters__grid {
        grid-template-columns: 1fr;
    }
    .platform-tour-video {
        max-height: 52vh;
    }
}