/* SK P2 统一外观补充（Claude 2026-10-13）：跟 SJKC P5 一样——标题、说明靠左；封面屏 4:3 大图 */
.lu .v2-main .screen>.title,.lu .v2-main .screen>h1,.lu .v2-main .screen>h2,.lu .v2-main .screen>.subtitle,.lu .v2-main .screen>p.subtitle{text-align:left!important;align-self:stretch!important;margin-left:0!important;margin-right:0!important}
.lu .v2-main .screen>.eyebrow{align-self:flex-start!important}
.lu .cover-screen .cover-card{text-align:left;align-items:stretch}
.lu .cover-screen .cover-card>.title{text-align:left!important;margin:6px 0 4px!important;font-size:clamp(1.45rem,5.6vw,2rem)!important;line-height:1.2}
.lu .cover-screen .lu-intro{margin:2px 0 4px;font-size:1.02rem;line-height:1.55;color:#334155;font-weight:600}
.lu .cover-screen .lu-intro b{color:var(--lu-a)}
.lu .cover-screen .cover-card>img:not(.cover-pic){display:block;margin:10px auto;max-width:60%;max-height:200px;object-fit:contain}
.lu .cover-screen .cover-card>.btn.audio{align-self:flex-start}

/* SK P2 SVG 讲解图（Claude 2026-10-13） */
.sk-fig{margin:10px auto 0;max-width:560px}.sk-fig svg{display:block;width:100%;height:auto;max-height:36vh}
@media (min-width:900px){.sk-lab-screen .lab-stage svg{max-height:26vh}}