.trace-visual-system {
    position: relative;
    display: grid;
    grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(1.4rem, 4vw, 3rem);
    align-items: stretch;
    margin-bottom: 2rem;
    scroll-margin-top: 6rem;
    padding: clamp(1.2rem, 3vw, 2rem);
    border: 1px solid rgba(0, 86, 179, 0.14);
    border-radius: 8px;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.94), rgba(238,247,250,0.84)),
        linear-gradient(rgba(0,86,179,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,86,179,0.04) 1px, transparent 1px);
    background-size: auto, 36px 36px, 36px 36px;
    box-shadow: 0 22px 60px rgba(15, 61, 111, 0.09);
}

.trace-visual-system::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-top: 3px solid rgba(49, 215, 183, 0.42);
}

.trace-visual-canvas {
    display: grid;
    align-items: stretch;
    min-height: 390px;
}

.trace-record-card {
    position: relative;
    display: grid;
    align-content: space-between;
    gap: 1.1rem;
    min-height: 100%;
    padding: clamp(1.15rem, 2.4vw, 1.75rem);
    border: 1px solid rgba(0, 86, 179, 0.16);
    border-radius: 8px;
    background: rgba(255,255,255,0.88);
    box-shadow: 0 18px 44px rgba(15, 61, 111, 0.12);
}

.trace-record-card::after {
    content: "";
    position: absolute;
    inset: auto 1.2rem 1.05rem 1.2rem;
    height: 2px;
    background: linear-gradient(90deg, #31d7b7, rgba(0,86,179,0.16), #31d7b7);
    opacity: 0.75;
}

.trace-record-top,
.trace-record-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.trace-scan-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #086f78;
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.trace-scan-status::before {
    content: "";
    width: 0.52rem;
    height: 0.52rem;
    border-radius: 50%;
    background: #31d7b7;
    box-shadow: 0 0 14px rgba(49, 215, 183, 0.58);
}

.trace-record-top strong {
    color: #0f3550;
    font-size: clamp(0.95rem, 1.8vw, 1.2rem);
    letter-spacing: 0.02em;
}

.trace-record-product {
    display: grid;
    gap: 0.45rem;
    padding: 1rem;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(0,86,179,0.07), rgba(49,215,183,0.11));
}

.trace-record-product span,
.trace-record-foot span {
    color: #64748b;
    font-size: 0.78rem;
    font-weight: 800;
}

.trace-record-product strong {
    color: #13253a;
    font-size: clamp(1.25rem, 3vw, 2rem);
    line-height: 1.1;
}

.trace-record-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.55rem;
}

.trace-record-grid span {
    display: grid;
    place-items: center;
    min-height: 3rem;
    border-radius: 8px;
    border: 1px solid rgba(0,86,179,0.12);
    background: rgba(255,255,255,0.75);
    color: #0056b3;
    font-weight: 900;
}

.trace-record-route {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    min-height: 4.2rem;
    align-items: center;
}

.trace-record-route::before {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    top: 50%;
    height: 2px;
    background: linear-gradient(90deg, rgba(49,215,183,0.95), rgba(0,86,179,0.38));
}

.trace-record-route span {
    position: relative;
    justify-self: center;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #31d7b7;
    box-shadow: 0 0 0 6px rgba(49,215,183,0.12);
}

.trace-visual-copy {
    align-self: center;
}

.trace-visual-copy h3 {
    margin-bottom: 1rem;
    color: #172033;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
}

.trace-visual-copy > p {
    max-width: 42rem;
    color: #586b74;
    line-height: 1.8;
}

.trace-visual-steps {
    display: grid;
    gap: 0.65rem;
    margin-top: 1.5rem;
}

.trace-visual-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(23, 91, 120, 0.12);
}

.trace-visual-step i {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: #e1f5f2;
    color: #08766d;
    font-style: normal;
    font-size: 0.7rem;
    font-weight: 900;
}

.trace-visual-step strong {
    color: #163845;
    font-size: 0.9rem;
    line-height: 1.35;
}

.trace-visual-step span {
    color: #71818a;
    font-size: 0.72rem;
    font-weight: 800;
}

.trace-visual-hint {
    margin-top: 1.25rem;
    color: #08758c;
    font-size: 0.8rem;
    font-weight: 850;
}

@media (max-width: 900px) {
    #traceability > .container {
        padding: 4.2rem 1rem;
    }

    .trace-visual-system {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        width: 100%;
        padding: 1rem;
    }

    .trace-visual-canvas {
        min-height: 310px;
    }

    .trace-visual-copy h3 {
        font-size: clamp(2rem, 9vw, 3rem);
    }
}

@media (max-width: 520px) {
    .trace-record-top,
    .trace-record-foot {
        align-items: flex-start;
        flex-direction: column;
    }

    .trace-record-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trace-visual-step {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .trace-visual-step span {
        display: none;
    }
}