.question-card{background:var(--color-bg-card);border-radius:var(--radius-2xl);padding:var(--gap-xl);box-shadow:var(--shadow-card-lg);margin-bottom:var(--gap-2xl)}.title-row{display:flex;align-items:flex-start;gap:var(--gap-md);margin-bottom:var(--gap-lg)}.title-mark{width:3rem;height:3rem;border-radius:var(--radius-md);background:var(--color-primary);color:var(--color-bg-card);font-weight:bold;display:flex;align-items:center;justify-content:center;flex-shrink:0}.title-row h1{font-size:var(--font-title);font-weight:600;color:var(--color-text-title-dark);line-height:1.5}.question-desc{color:var(--color-text-desc);line-height:1.8;margin-bottom:var(--gap-lg)}.question-desc img{border-radius:var(--radius-md);margin:var(--gap-sm) 0}.question-user-line{display:flex;align-items:center;justify-content:space-between;padding:var(--gap-xl) 0;font-size:var(--font-md);color:var(--color-text-faint)}.user-left{display:flex;align-items:center}.answer-count-text{color:var(--color-text-faint)}.answer-list{display:flex;flex-direction:column;gap:0;margin-bottom:var(--gap-lg);border-radius:var(--radius-2xl);background:var(--color-bg-card);box-shadow:var(--shadow-card-lg);position:relative;overflow:hidden;min-height:30vh}.answer-card{padding:var(--gap-xl);position:relative;overflow:visible;border-bottom:1px solid var(--color-bg-light)}.answer-list>.answer-card:nth-last-child(2){border-bottom:0}.best-tag{position:absolute;top:var(--gap-lg);right:14rem;display:inline-flex;align-items:center;gap:var(--gap-xs);padding:.3rem 1rem;background:transparent;color:var(--color-primary);font-size:var(--font-sm);font-weight:600;border-radius:var(--radius-full);border:.1rem solid var(--color-primary-light)}.best-tag svg{width:1.3rem;height:1.3rem;fill:none;stroke:var(--color-primary-light);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.answer-user{display:flex;align-items:center;justify-content:space-between;gap:var(--gap-md);font-size:var(--font-md);color:var(--color-text-light);margin-bottom:var(--gap-lg)}.answer-user-left{display:flex;align-items:center;gap:var(--gap-sm);flex-shrink:0}.answer-avatar{width:2.6rem;height:2.6rem;border-radius:50%;overflow:hidden;flex-shrink:0}.answer-avatar img{width:100%;height:100%;object-fit:cover;display:block}.answer-name{color:var(--color-text-muted)}.answer-time{font-size:var(--font-sm);color:var(--color-text-lighter);flex-shrink:0}.answer-wrap{position:relative}.answer-text{position:relative;overflow:hidden;color:var(--color-text-body);line-height:1.8;max-height:9.6em;overflow:hidden;transition:max-height var(--transition-normal);font-size:1.5rem}.answer-text.expand-all{max-height:999rem;overflow:visible}.no-js .answer-text{max-height:none}.answer-text p{padding-bottom:var(--gap-lg);text-align:justify;word-break:break-word}.answer-text p:last-child{padding-bottom:0}.answer-text img{border-radius:var(--radius-md);margin:var(--gap-sm) 0}.answer-text.can-expand::after{content:'';position:absolute;bottom:0;left:0;right:0;height:5rem;background:linear-gradient(to bottom,rgba(255,255,255,0) 0,rgba(255,255,255,0.9) 60%,#fff 100%);pointer-events:none;z-index:1}.answer-text.expand-all::after{display:none}@media screen and (min-width:768px){.question-card,.answer-list{padding:var(--gap-2xl);border-radius:var(--radius-2xl)}.title-row h1{font-size:var(--font-title)}.question-user-line{font-size:var(--font-lg)}.answer-text{font-size:17px;line-height:2;max-height:10.8em}.answer-card{padding:var(--gap-2xl)}}@media screen and (min-width:1024px){.question-card,.answer-list{padding:var(--gap-3xl);border-radius:var(--radius-3xl)}.title-row h1{font-size:2.8rem}.answer-text{font-size:19px;line-height:2.2;max-height:12em}}@media screen and (min-width:1280px){.title-row h1{font-size:3rem}.answer-text{font-size:20px}}