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solid var(--border);margin-top:14px;padding-top:14px}.comment-block-title{text-transform:uppercase;letter-spacing:.07em;color:var(--hint);margin:0 0 10px;font-size:12px;font-weight:700}.comment-item{gap:10px;margin-bottom:12px;display:flex}.comment-avatar{background:var(--green-light);width:32px;height:32px;color:var(--green-hover);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex}.comment-avatar.teacher{background:var(--blue-light);color:var(--blue)}.comment-body{flex:1}.comment-author{color:var(--text);font-size:13px;font-weight:700}.comment-time{color:var(--hint);margin-left:6px;font-size:11px;font-weight:400}.comment-text{color:var(--muted);white-space:pre-wrap;margin:4px 0 0;font-size:13px}.comment-input-row{gap:8px;margin-top:10px;display:flex}.comment-input{border:1.5px solid var(--border);border-radius:var(--r-md);background:var(--bg-alt);outline:none;flex:1;padding:9px 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0;display:flex}._loginPage_1520b_1{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:24px 20px;display:flex}._logoArea_1520b_11{align-items:center;gap:12px;margin-bottom:28px;display:flex}._logoMark_1520b_18{background:var(--green);border-radius:var(--r-md);color:#fff;justify-content:center;align-items:center;width:44px;height:44px;display:flex}._logoText_1520b_29{flex-direction:column;display:flex}._logoText_1520b_29 strong{color:var(--text);font-size:18px;font-weight:700}._logoText_1520b_29 span{color:var(--hint);margin-top:2px;font-size:13px}._card_1520b_33{border:1px solid var(--border);border-radius:var(--r-xl);width:100%;max-width:440px;box-shadow:var(--shadow-md);background:#fff;padding:32px}._cardTitle_1520b_43{color:var(--text);margin:0 0 6px;font-size:22px;font-weight:700}._cardSub_1520b_44{color:var(--muted);margin:0 0 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