/* ===== youchao specs sec2 — bento canvas ===== */
.youchao-specs {
    position: relative;
    padding: calc(80 * var(--rpx)) 0 calc(100 * var(--rpx));
    background: #FAFCFD;
}

.youchao-specs .specs-fade {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    z-index: 0;
    height: calc(160 * var(--rpx));
    background: linear-gradient(180deg, #E0E7EC 0%, rgba(224, 231, 236, 0) 100%);
    opacity: 0.3;
    pointer-events: none;
}

.youchao-specs .wrapper {
    container-type: inline-size;
    position: relative;
    z-index: 1;
    /* cqw 必须在 wrapper 上定义，避免 canvas 自引用容器宽度时落到视口宽 */
    --specs-rpx: calc(100cqw / 1600);
}

.youchao-specs-canvas {
    position: relative;
    width: 100%;
    /* 117 标题区 + 1160 grid；CTA 在 canvas 外文档流 */
    height: calc(1277 * var(--specs-rpx));
}

.specs-title {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
    font-size: calc(48 * var(--specs-rpx));
    font-weight: 600;
    line-height: calc(72 / 48);
    color: var(--text-primary);
}

.youchao-grid {
    position: absolute;
    left: 0;
    top: calc(117 * var(--specs-rpx));
    width: 100%;
    height: calc(1160 * var(--specs-rpx));
}

.youchao-block {
    container-type: inline-size;
    box-sizing: border-box;
    position: absolute;
    left: calc(var(--grid-x) * var(--specs-rpx));
    top: calc(var(--grid-y) * var(--specs-rpx));
    width: calc(var(--design-w) * var(--specs-rpx));
    min-width: 0;
}

.youchao-block.layout-block-slot-empty {
    height: calc(var(--design-h) * var(--specs-rpx));
    visibility: hidden;
    pointer-events: none;
}

/* scale-ratio：无单位比值 = 块宽 / design-w（桌面块宽 = design-w × specs-rpx 时等价于 specs-rpx）
 * 手机 @828：--scale-ratio 跟块宽（layout-scale）；字号/行高用 --type-scale（固定 1.33rpx） */
.youchao-block__scale {
    --scale-ratio: calc(100cqi / (var(--design-w) * 1px));
    box-sizing: border-box;
    position: relative;
    width: 100%;
    height: calc(var(--design-h) * 1px * var(--scale-ratio));
    overflow: hidden;
    border-radius: calc(10px * var(--scale-ratio));
    background: #EFF1F5;
}

.block-media,
.block-copy {
    position: absolute;
    inset: 0;
}

.block-media {
    z-index: 0;
    pointer-events: none;
}

.block-copy {
    z-index: 1;
    user-select: text;
}

.block-media img,
.block-media .block-bg {
    display: block;
}

.block-media .block-bg,
.block-media .block-figure {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.youchao-block p {
    margin: 0;
}

.text-gradient {
    background-image: linear-gradient(135deg, #2465DF 0%, #AE3EEE 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* grid placement (relative to grid origin y=117) */
.youchao-block--process { --grid-x: 0; --grid-y: 0; }
.youchao-block--imr { --grid-x: 670; --grid-y: 1; }
.youchao-block--simt { --grid-x: 0; --grid-y: 250; }
.youchao-block--hero { --grid-x: 430; --grid-y: 250; }
.youchao-block--display { --grid-x: 1100; --grid-y: 250; }
.youchao-block--codec { --grid-x: 1100; --grid-y: 520; }
.youchao-block--mem { --grid-x: 0; --grid-y: 680; }
.youchao-block--matrix { --grid-x: 430; --grid-y: 920; }

/* ===== @828 mobile — 块竖排 + ScrollTrigger 入场（非 scrub） ===== */
@media (max-width: 828px) {
    .youchao-specs {
        padding-left: 0;
        padding-right: 0;
    }

    .youchao-specs .wrapper {
        width: 100%;
        max-width: var(--wrapper-width);
        margin-left: auto;
        margin-right: auto;
    }

    .youchao-specs-canvas {
        height: auto;
    }

    .youchao-specs .specs-title {
        position: static;
        font-size: calc(32 * var(--fpx));
        margin-bottom: calc(24 * var(--rpx));
    }

    .youchao-grid {
        position: relative;
        left: auto;
        top: auto;
        display: flex;
        gap: calc(24 * var(--rpx));
        width: 100%;
        height: auto;
        min-height: 0;
    }

    .youchao-block {
        position: relative;
        left: auto;
        top: auto;
        min-width: 0;
        max-width: none;
        height: auto;
        box-shadow: 0 calc(6 * var(--rpx)) calc(22 * var(--rpx)) rgba(0, 12, 36, 0.1);
        opacity: 1;
        transform: none;
    }

    .youchao-specs .block-media {
        overflow: hidden;
        border-radius: inherit;
    }

    .youchao-specs .youchao-block[data-reveal] {
        transform: none;
    }

    .youchao-specs .block-copy .text-gradient {
        display: inline-block;
        max-width: 100%;
        background-image: linear-gradient(135deg, #2465DF 0%, #AE3EEE 100%);
        background-attachment: local;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
    }

    .youchao-block.layout-block-slot-empty {
        display: none;
    }

    .youchao-specs .specs-cta {
        margin-top: calc(32 * var(--rpx));
    }

    .youchao-specs .specs-cta__reveal {
        width: 100%;
        max-width: 100%;
    }
}