.rc-card{background:var(--bg-surface,#fff);border:1px solid var(--border,#e5e5e5);border-radius:var(--r,12px);margin-bottom:20px;overflow:hidden}.rc-header{background:var(--bg-2,#fafafa);border-bottom:1px solid var(--border,#e5e5e5);align-items:center;padding:10px 20px;display:flex}.rc-header-left{align-items:center;gap:8px;display:flex}.rc-header-right{align-items:center;gap:8px;margin-left:auto;display:flex}.rc-logo{object-fit:contain;border-radius:4px;width:20px;height:20px}.rc-logo-placeholder{background:#e0e0e0;border-radius:4px;width:20px;height:20px;display:inline-block}.rc-platform-name{color:var(--text-2,#555);font-size:12px;font-weight:600}.rc-type-tag{text-transform:uppercase;letter-spacing:.04em;background:var(--color-bg-surface,#fff);border:1px solid var(--color-border,#eee);border-radius:4px;padding:2px 8px;font-size:10px;font-weight:700}.rc-ann-link{color:var(--text-2,#555);align-items:center;gap:3px;font-size:12px;font-weight:500;text-decoration:none;display:inline-flex}.rc-ann-link:hover{color:var(--accent-olive,#677b0e)}.rc-sep{color:#ccc;font-size:10px}.rc-date{color:var(--text-2,#555);font-size:12px;font-weight:500}.rc-bookmark{width:28px;height:28px;color:var(--text-3,#888);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;margin-left:2px;font-family:inherit;transition:all .2s;display:inline-flex}.rc-bookmark:hover{color:var(--text-1,#111);background:#0000000d}.rc-bookmark-saved{background:#c9f6091f;transform:scale(1.15);color:#aed313!important}.rc-bookmark-saved svg{stroke:#aed313!important;fill:#aed313!important}.rc-bookmark-saved:hover{background:#c9f60933;color:#aed313!important}.rc-title-section{padding:14px 20px 0}.rc-title{letter-spacing:-.01em;margin:0 0 4px;font-size:17px;font-weight:700;line-height:1.3}.rc-title-link{color:inherit;text-decoration:none}.rc-title-link:hover{text-underline-offset:2px;text-decoration:underline}.rc-subtitle{color:var(--text-2,#555);margin:0;font-size:13px;line-height:1.5}.rc-detail-toggle{color:var(--text-2,#555);cursor:pointer;vertical-align:baseline;background:0 0;border:none;align-items:center;gap:3px;padding:0;font-family:inherit;font-size:13px;font-weight:600;transition:color .15s;display:inline-flex}.rc-detail-toggle:hover{color:var(--text-1,#111)}.rc-detail-bullets{margin:8px 0 0;padding:0;list-style:none}.rc-detail-bullets li{color:var(--text-2,#555);padding:2px 0 2px 16px;font-size:12.5px;line-height:1.6;position:relative}.rc-detail-bullets li:before{content:"";background:#d0d0d0;border-radius:50%;width:5px;height:5px;position:absolute;top:10px;left:0}.rc-content-row{align-items:stretch;gap:16px;padding:14px 20px 0;display:flex}.rc-thumb{background:var(--bg-2,#eee);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:180px;min-height:100px;display:flex;overflow:hidden}.rc-thumb>img{object-fit:cover;width:100%;height:100%}.rc-thumb-placeholder{color:#ccc;opacity:.4}.rc-thumb-logo-fallback{justify-content:center;align-items:center;width:100%;height:100%;display:flex}.rc-details{flex:1;align-items:center;min-width:0;padding:10px 14px;display:flex}.rc-bullets{width:100%;margin:0;padding:0;list-style:none}.rc-bullets li{color:var(--text-2,#555);padding:3px 0 3px 16px;font-size:12.5px;line-height:1.6;position:relative}.rc-bullets li:before{content:"";background:#d0d0d0;border-radius:50%;width:5px;height:5px;position:absolute;top:10px;left:0}.rc-bullets li strong{color:var(--text-1,#111);font-weight:600}.rc-footer{border-top:1px solid var(--border,#e5e5e5);align-items:center;gap:8px;margin-top:12px;padding:14px 20px 16px;display:flex}.rc-vote-group{border:1px solid var(--border,#e5e5e5);border-radius:8px;align-items:center;height:32px;display:inline-flex;overflow:hidden}.rc-vote-btn{height:32px;color:var(--text-2,#555);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:0 10px;font-family:inherit;font-size:12px;font-weight:500;transition:color .15s;display:inline-flex}.rc-vote-btn:hover{color:var(--text-1,#111)}.rc-vote-active-up{background:#c9f6091f;font-weight:600;color:var(--text-1,#111)!important}.rc-vote-group:has(.rc-vote-active-up){border-color:#aed313}.rc-vote-active-down{background:#fce4ec;font-weight:600;color:#c62828!important}.rc-vote-group:has(.rc-vote-active-down){border-color:#c62828}.rc-vote-sep{background:var(--border,#e5e5e5);width:1px;height:100%}.rc-vote-count{font-weight:600}.rc-action-btn{border:1px solid var(--border,#e5e5e5);background:var(--bg-surface,#fff);height:32px;color:var(--text-2,#555);cursor:pointer;border-radius:8px;align-items:center;gap:5px;padding:0 10px;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.rc-action-btn:hover{border-color:#ccc}.rc-diff-popover{z-index:10;background:var(--bg-surface,#fff);border:1px solid var(--border,#e5e5e5);border-radius:10px;min-width:180px;margin-bottom:6px;padding:10px;position:absolute;bottom:100%;left:0;box-shadow:0 -4px 16px #0000001a}.rc-diff-popover-title{color:var(--text-1,#111);margin-bottom:6px;padding:0 4px;font-size:11px;font-weight:600}.rc-diff-option{cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:6px;width:100%;padding:8px 10px;font-family:inherit;font-size:13px;font-weight:600;transition:background .1s,border-color .1s;display:flex}.rc-diff-beginner:hover{background:#c9f60926;border-color:#aed313}.rc-diff-intermediate:hover{background:#ff98001f;border-color:#ffe082}.rc-diff-advanced:hover{background:#ef53501f;border-color:#ef9a9a}.rc-diff-beginner.rc-diff-selected{background:#c9f60926;border-color:#aed313}.rc-diff-intermediate.rc-diff-selected{background:#ff98001f;border-color:#ffe082}.rc-diff-advanced.rc-diff-selected{background:#ef53501f;border-color:#ef9a9a}.rc-footer-right{align-items:center;gap:8px;margin-left:auto;display:flex}.rc-lesson-link{background:var(--accent-neon,#cfff00);min-width:170px;height:32px;color:var(--accent-neon-text,#1a1a00);border:none;border-radius:8px;justify-content:center;align-items:center;gap:5px;padding:0 14px;font-family:inherit;font-size:12px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.rc-lesson-link:hover{background:#b8e000;transform:translateY(-1px);box-shadow:0 4px 12px #c9f6094d}.rc-request-link{min-width:170px;height:32px;color:var(--text-3,#888);cursor:pointer;background:0 0;border:1px dashed #d0d0d0;border-radius:8px;justify-content:center;align-items:center;gap:5px;padding:0 14px;font-family:inherit;font-size:12px;font-weight:600;transition:all .15s;display:inline-flex}.rc-request-link:hover{color:var(--text-2,#555);border-color:#aaa}.rc-requested{color:var(--text-1,#111);background:#c9f6091f;border-style:solid;border-color:#aed313}.rc-requested:hover{color:var(--text-1,#111);border-color:#aed313}.rc-save-hint{z-index:10;background:var(--bg-surface,#fff);border:1px solid var(--border,#e5e5e5);white-space:nowrap;border-radius:10px;margin-top:6px;padding:10px;position:absolute;top:100%;right:0;box-shadow:0 -4px 16px #0000001a}.rc-save-hint-link{width:100%;color:var(--text-1,#111);border:1.5px solid var(--border,#e5e5e5);background:var(--bg-surface,#fff);border-radius:6px;align-items:center;gap:6px;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:flex}.rc-save-hint-link:hover{background:var(--bg-2,#fafafa);border-color:#ccc}.rc-comments-more{width:100%;color:var(--text-3,#888);cursor:pointer;text-align:center;background:0 0;border:none;padding:6px 0;font-family:inherit;font-size:12px;font-weight:600;transition:color .15s;display:block}.rc-comments-more:hover{color:var(--text-1,#111)}.rc-comments{border-top:1px solid var(--border,#e5e5e5);padding:14px 20px 16px}.rc-comments-loading,.rc-comments-empty{color:var(--text-3,#888);text-align:center;padding:12px 0;font-size:13px}.rc-comments-list{flex-direction:column;gap:10px;margin-bottom:14px;display:flex}.rc-comment{padding:0}.rc-comment-header{align-items:center;gap:6px;margin-bottom:3px;display:flex}.rc-comment-avatar{background:var(--bg-2,#fafafa);width:22px;height:22px;color:var(--text-3,#888);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;font-weight:700;display:flex}.rc-comment-name{color:var(--text-1,#111);font-size:12px;font-weight:600}.rc-comment-role{color:var(--text-3,#888);text-transform:capitalize;font-size:11px}.rc-comment-time{color:var(--text-3,#888);margin-left:auto;font-size:11px}.rc-comment-text{color:var(--text-2,#555);word-break:break-word;white-space:pre-wrap;margin:0;padding-left:28px;font-size:13px;line-height:1.5}.rc-comment-input{margin-top:10px}.rc-comment-textarea{border:1px solid var(--border,#e5e5e5);background:var(--bg-surface,#fff);width:100%;color:var(--text-1,#111);resize:none;box-sizing:border-box;border-radius:8px;padding:8px 10px;font-family:inherit;font-size:13px}.rc-comment-textarea:focus{border-color:var(--accent-olive,#677b0e);outline:none}.rc-comment-input-footer{align-items:center;gap:8px;margin-top:6px;display:flex}.rc-comment-charcount{color:var(--text-3,#888);font-size:11px}.rc-comment-post{background:var(--accent-neon,#cfff00);color:var(--accent-neon-text,#1a1a00);cursor:pointer;border:none;border-radius:6px;margin-left:auto;padding:5px 14px;font-family:inherit;font-size:12px;font-weight:600;transition:background .15s}.rc-comment-post:hover{background:#b8e000}.rc-comment-post:disabled{opacity:.5;cursor:default}.rc-comment-signin{text-align:center;border:1px solid var(--border,#e5e5e5);background:var(--bg-2,#fafafa);border-radius:8px;margin-top:10px;padding:14px 0}.rc-comment-signin-btn{color:var(--text-1,#111);border:1.5px solid var(--border,#e5e5e5);background:var(--bg-surface,#fff);border-radius:6px;padding:6px 16px;font-family:inherit;font-size:13px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:inline-block}.rc-comment-signin-btn:hover{background:var(--bg-2,#fafafa);border-color:#ccc}@media (max-width:640px){.rc-content-row{flex-direction:column}.rc-thumb{width:100%;min-height:140px}.rc-header{padding:10px 14px}.rc-header-left,.rc-header-right{gap:6px}.rc-footer{flex-wrap:wrap}.rc-vote-group{flex-shrink:0}.rc-action-btn{flex:1;justify-content:center}.rc-footer-right{width:100%;margin-top:8px;margin-left:0}.rc-lesson-link,.rc-request-link{flex:1}}