:root{--fb-blue:#1877f2;--fb-blue-hover:#166fe5;--bg-color:#f0f2f5;--card-bg:#fff;--text-primary:#050505;--text-secondary:#65676b;--border-color:#ced0d4;--shadow:0 1px 2px rgba(0,0,0,.2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5}.navbar{background-color:var(--card-bg);box-shadow:var(--shadow);padding:0 16px;height:56px;display:flex;align-items:center;position:-webkit-sticky;position:sticky;top:0;z-index:100}.navbar-brand{font-size:24px;font-weight:800;color:var(--fb-blue);letter-spacing:-.5px}.container{max-width:680px;margin:0 auto;padding:20px 16px}.review-card{background-color:var(--card-bg);border-radius:8px;box-shadow:var(--shadow);padding:12px 16px;margin-bottom:16px;transition:transform .2s ease,box-shadow .2s ease}.review-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}.review-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.avatar{width:40px;height:40px;border-radius:50%;background-color:#e4e6eb;object-fit:cover}.author-info{display:flex;flex-direction:column}.author-name{font-weight:600;font-size:15px;color:var(--text-primary)}.review-meta{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.stars{color:#f5c33b;font-size:14px}.review-content{font-size:15px;color:var(--text-primary);margin-bottom:12px}.review-image{width:100%;border-radius:8px;border:1px solid var(--border-color);margin-bottom:12px}.interaction-bar{display:flex;justify-content:space-between;border-top:1px solid var(--border-color);padding-top:8px}.interaction-btn{background:none;border:none;color:var(--text-secondary);font-weight:600;font-size:14px;padding:6px 12px;border-radius:4px;cursor:pointer;display:flex;align-items:center;gap:6px;flex:1 1;justify-content:center}.interaction-btn:hover{background-color:var(--bg-color)}.interaction-btn.active{color:var(--fb-blue)}.page-title{font-size:20px;font-weight:700;margin-bottom:20px;color:var(--text-primary)}