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12px)/2)}.step-list{flex-wrap:wrap}.step-item{flex:1 1 45%}}@media(max-width: 720px){.article-nav{flex-direction:column}.article-nav .next{text-align:left}.article-cover img{height:190px}.expo-gallery li{flex-basis:100%}}.about-card{padding-top:18px}.intro-text p{font-size:13.5px;line-height:2;color:var(--text);text-align:justify}.intro-text p+p{margin-top:10px}.intro-text img{max-width:100%;height:auto;border-radius:4px}.intro-text.collapsed{overflow:hidden;position:relative}.intro-img{display:block;width:100%;height:300px;object-fit:cover;margin-top:16px;border-radius:6px}.intro-toggle{display:flex;justify-content:center;margin-top:12px}.toggle-btn{display:inline-flex;align-items:center;gap:4px;height:30px;padding:0 18px;border:1px solid #e2e9f2;border-radius:15px;background:#fff;font-size:12.5px;color:#55677a;transition:all .2s}.toggle-btn 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