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.hero{overflow:clip}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* 玩法宣传图保留完整比例，保证图内中文清晰可读。 */
.feature-image>img{aspect-ratio:16/9}
