:root {
    --brand-blue-900: #081c3b;
    --brand-blue-800: #123a72;
    --brand-blue-700: #1e3c72;
    --brand-blue-600: #2a5298;
    --brand-surface: #ffffff;
    --brand-surface-muted: #f4f8ff;
    --brand-border: rgba(30, 60, 114, 0.08);
    --brand-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
}

.brand-page-header {
    margin-bottom: 14px;
}

.brand-page-shell {
    background: linear-gradient(135deg, #f4f8ff 0%, #edf2f7 100%);
    min-height: calc(100vh - 64px);
    padding: 36px 16px 56px;
}

.brand-page-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--brand-blue-800);
    background: rgba(33, 150, 243, 0.12);
    border: 1px solid rgba(33, 150, 243, 0.18);
}

.brand-page-title {
    font-weight: 900 !important;
    color: var(--brand-blue-700);
    margin-bottom: 6px !important;
    font-size: clamp(2rem, 4vw, 2.5rem) !important;
}

.brand-page-subtitle {
    opacity: 0.78;
    max-width: 860px;
    margin: 0 auto 20px !important;
    line-height: 1.6;
    font-size: clamp(1rem, 2vw, 1.12rem) !important;
}

.brand-quick-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.brand-quick-nav .brand-quick-nav-btn {
    text-transform: none;
}

.brand-card {
    border-radius: 18px;
    border: 1px solid var(--brand-border);
    background: var(--brand-surface);
    box-shadow: var(--brand-shadow);
}

.brand-soft-card {
    border-radius: 16px;
    border: 1px solid var(--brand-border);
    background: var(--brand-surface-muted);
}

.brand-section-title {
    font-weight: 900 !important;
    color: var(--brand-blue-700);
    margin-bottom: 8px !important;
}

.brand-section-subtitle {
    opacity: 0.78;
    line-height: 1.6;
}

.brand-media-frame {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.brand-youtube-wrap {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 14px;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--brand-border);
}

.brand-youtube-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.brand-img-card {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--brand-border);
    background: var(--brand-surface);
}

.brand-img-card img {
    width: 100%;
    display: block;
    object-fit: cover;
}

.brand-caption {
    font-size: 0.82rem;
    opacity: 0.75;
}

@media (max-width: 960px) {
    .brand-page-shell {
        padding: 24px 12px 40px;
    }

    .brand-quick-nav {
        gap: 6px;
    }
}