/**
 * 四语言（zh / en / ja / de）交叉淡变：依赖 html[data-spa-locale] 切换可见层。
 * 短文本用 inline-grid 叠层；段落用 block 模式（活动语言 relative 撑高）。
 */

.smooth-locale {
    position: relative;
}

.smooth-locale--inline {
    display: inline-grid;
    vertical-align: baseline;
    max-width: 100%;
}

.smooth-locale--inline > span {
    grid-area: 1 / 1 / 1 / 1;
    white-space: nowrap;
}

.smooth-locale--block {
    display: block;
}

.smooth-locale--block > span {
    display: block;
    width: 100%;
    line-height: inherit;
}

.smooth-locale > span {
    opacity: 0;
    transition: opacity 0.28s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    pointer-events: none;
}

.smooth-locale--block > .loc-zh {
    position: relative;
}

.smooth-locale--block > .loc-en,
.smooth-locale--block > .loc-ja,
.smooth-locale--block > .loc-de {
    position: absolute;
    top: 0;
    left: 0;
}

html[data-spa-locale="zh"] .smooth-locale .loc-zh,
html[data-spa-locale="en"] .smooth-locale .loc-en,
html[data-spa-locale="ja"] .smooth-locale .loc-ja,
html[data-spa-locale="de"] .smooth-locale .loc-de {
    opacity: 1;
    pointer-events: auto;
}

html[data-spa-locale="en"] .smooth-locale--block > .loc-zh,
html[data-spa-locale="ja"] .smooth-locale--block > .loc-zh,
html[data-spa-locale="de"] .smooth-locale--block > .loc-zh {
    position: absolute;
}

html[data-spa-locale="en"] .smooth-locale--block > .loc-en {
    position: relative;
}

html[data-spa-locale="ja"] .smooth-locale--block > .loc-ja {
    position: relative;
}

html[data-spa-locale="de"] .smooth-locale--block > .loc-de {
    position: relative;
}

html[data-spa-locale="ja"] .smooth-locale--block > .loc-en,
html[data-spa-locale="ja"] .smooth-locale--block > .loc-de {
    position: absolute;
}

html[data-spa-locale="de"] .smooth-locale--block > .loc-en,
html[data-spa-locale="de"] .smooth-locale--block > .loc-ja {
    position: absolute;
}

html[data-spa-locale="zh"] .smooth-locale--block > .loc-en,
html[data-spa-locale="zh"] .smooth-locale--block > .loc-ja,
html[data-spa-locale="zh"] .smooth-locale--block > .loc-de {
    position: absolute;
}

@media (prefers-reduced-motion: reduce) {
    .smooth-locale > span {
        transition: none;
    }
}

.spa-guest-banner__text.smooth-locale--block > span {
    line-height: 1.45;
}