.catalog-hero {
        background-image:
            linear-gradient(to right, rgba(0, 51, 153, 0.06) 1px, transparent 1px),
            linear-gradient(to bottom, rgba(0, 51, 153, 0.06) 1px, transparent 1px),
            radial-gradient(circle at 86% 18%, rgba(0, 51, 153, 0.13), transparent 28rem),
            radial-gradient(circle at 16% 76%, rgba(254, 203, 0, 0.14), transparent 22rem);
        background-size: 48px 48px, 48px 48px, auto, auto;
    }
    .catalog-shell {
        border: 1px solid rgba(0, 32, 104, 0.14);
        background: linear-gradient(180deg, #ffffff 0%, #f7f8ff 100%);
        box-shadow: 0 24px 70px -52px rgba(0, 32, 104, 0.48);
    }
    .catalog-card {
        border: 1px solid rgba(0, 32, 104, 0.14);
        background: #ffffff;
        box-shadow: 0 22px 70px -54px rgba(0, 32, 104, 0.48);
    }
    .catalog-card:hover {
        border-color: rgba(0, 51, 153, 0.36);
        transform: translateY(-2px);
    }
    .catalog-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        min-height: 30px;
        border: 1px solid rgba(0, 32, 104, 0.18);
        background: rgba(255, 255, 255, 0.88);
        padding: 6px 10px;
        color: #002068;
        font-size: 11px;
        font-weight: 900;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    }
    .catalog-tag.is-gold {
        background: #fecb00;
        border-color: #fecb00;
        color: #002068;
    }
    .catalog-proof {
        background: #fecb00;
        color: #002068;
    }
    .catalog-proof-item {
        border-right: 1px solid rgba(0, 32, 104, 0.22);
    }
    .catalog-proof-item:last-child {
        border-right: 0;
    }
    .catalog-image {
        aspect-ratio: 4 / 3;
        object-fit: cover;
        background: #ececff;
    }
    .catalog-sidebar {
        top: 104px;
    }
    .catalog-hero-showcase {
        position: relative;
        width: 100%;
        max-width: 430px;
        margin-left: auto;
    }
    .catalog-showcase-main {
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(0, 32, 104, 0.16);
        background: linear-gradient(180deg, #ffffff 0%, #f3f2ff 100%);
        box-shadow: 0 28px 80px -58px rgba(0, 32, 104, 0.55);
        padding: 2.4rem;
    }
    .catalog-showcase-main::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, #fecb00, #ffe08b, #fecb00);
    }
    .catalog-showcase-label {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 1.4rem;
        color: #fecb00;
        font-size: 0.68rem;
        font-weight: 900;
        letter-spacing: 0.18em;
        text-transform: uppercase;
    }
    .catalog-showcase-label::after {
        content: '';
        flex: 1;
        height: 1px;
        background: rgba(0, 32, 104, 0.14);
    }
    .catalog-showcase-name {
        color: #0b1747;
        font-family: "Public Sans", sans-serif;
        font-size: 1.35rem;
        font-weight: 900;
        letter-spacing: 0.04em;
        line-height: 1.2;
        text-transform: uppercase;
    }
    .catalog-showcase-spec {
        margin-top: 0.45rem;
        color: #747684;
        font-size: 0.8rem;
        font-weight: 700;
    }
    .catalog-showcase-copy {
        margin-top: 1.35rem;
        color: #444653;
        font-size: 0.86rem;
        line-height: 1.7;
    }
    .catalog-showcase-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1px;
        margin-top: 1.5rem;
        background: rgba(0, 32, 104, 0.13);
    }
    .catalog-showcase-spec-item {
        background: #ffffff;
        padding: 0.82rem 1rem;
    }
    .catalog-showcase-key {
        margin-bottom: 4px;
        color: #747684;
        font-size: 0.64rem;
        font-weight: 900;
        letter-spacing: 0.14em;
        text-transform: uppercase;
    }
    .catalog-showcase-value {
        color: #003399;
        font-size: 0.95rem;
        font-weight: 900;
    }
    .catalog-accent-card {
        position: absolute;
        z-index: 2;
        border: 1px solid rgba(0, 32, 104, 0.16);
        background: #003399;
        padding: 0.95rem 1.18rem;
        box-shadow: 0 18px 42px -30px rgba(0, 32, 104, 0.8);
    }
    .catalog-accent-card.is-top {
        top: -22px;
        left: -28px;
    }
    .catalog-accent-card.is-bottom {
        right: -28px;
        bottom: -22px;
    }
    .catalog-accent-value {
        color: #fecb00;
        font-family: "Public Sans", sans-serif;
        font-size: 1.7rem;
        font-weight: 900;
        line-height: 1;
    }
    .catalog-accent-label {
        margin-top: 4px;
        color: #dce1ff;
        font-size: 0.66rem;
        font-weight: 900;
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }
    @media (max-width: 1024px) {
        .catalog-hero-showcase {
            margin: 0;
        }
    }
    @media (max-width: 640px) {
        .catalog-hero-showcase {
            padding-top: 1.5rem;
        }
        .catalog-showcase-main {
            padding: 1.5rem;
        }
        .catalog-accent-card {
            position: static;
            display: inline-block;
            margin: 0 0 0.75rem;
        }
        .catalog-accent-card.is-bottom {
            margin: 0.75rem 0 0;
        }
    }