/* Advertising surfaces v0.4 — replaces the original generic empty-box styles. */
.knn-ad{--ad-blue:var(--focus-color,#409eff);--ad-line:var(--main-border-color,#e8edf5);--ad-bg:var(--main-bg-color,#fff);--ad-text:var(--main-color,#303742);--ad-muted:var(--muted-color,#8a96a8);container-type:inline-size;box-sizing:border-box;min-width:0;width:100%;margin:16px 0;padding:14px;border:1px solid var(--ad-line);border-radius:12px;background:var(--ad-bg);color:var(--ad-text)}
.knn-ad *{box-sizing:border-box}
.knn-ad-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px;padding:0}
.knn-ad-label{font-size:11px;letter-spacing:1px;line-height:20px;color:var(--ad-muted)}
.knn-ad button{font-family:inherit;-webkit-appearance:none;appearance:none;text-transform:none;letter-spacing:normal;margin:0;box-shadow:none}
.knn-ad .knn-ad-buy{display:inline-flex;align-items:center;gap:8px;padding:3px 10px;min-height:27px;border:1px solid var(--ad-line);border-radius:6px;background:transparent;color:var(--ad-blue);font-size:12px;line-height:20px;cursor:pointer}
.knn-ad .knn-ad-buy:hover{border-color:var(--ad-blue);background:color-mix(in srgb,var(--ad-blue) 5%,transparent)}
.knn-ad-items{display:grid;gap:12px;min-width:0}
.knn-ad .knn-ad-item{position:relative;min-width:0;overflow:hidden;border-radius:9px;text-decoration:none;color:inherit}
.knn-ad .knn-ad-item:focus-visible,.knn-ad .knn-ad-buy:focus-visible{outline:2px solid var(--ad-blue);outline-offset:3px}
.knn-ad-visual{display:block;width:100%;overflow:hidden;border-radius:inherit;background:color-mix(in srgb,var(--ad-line) 35%,var(--ad-bg));aspect-ratio:var(--knn-ad-ratio,16/9)}
.knn-ad-visual>img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .2s}
.knn-ad-filled:hover .knn-ad-visual>img{transform:scale(1.015)}
.knn-ad-copy{display:flex;min-width:0;flex-direction:column;gap:7px}
.knn-ad-copy strong{font-size:14px;line-height:22px;font-weight:600;color:var(--ad-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.knn-ad-copy>span{font-size:12px;line-height:19px;color:var(--ad-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.knn-ad .knn-ad-vacant{display:flex;align-items:center;justify-content:center;gap:18px;width:100%;padding:20px;border:1px solid var(--ad-line);background:color-mix(in srgb,var(--ad-blue) 3%,var(--ad-bg));text-align:left;color:var(--ad-text)}
.knn-ad button.knn-ad-vacant{cursor:pointer}
.knn-ad button.knn-ad-vacant:hover{border-color:var(--ad-blue);background:color-mix(in srgb,var(--ad-blue) 6%,var(--ad-bg))}
.knn-ad-placeholder{display:block;width:100px;height:76px;object-fit:contain;flex:none}
.knn-ad-vacant-copy{display:flex;min-width:0;flex-direction:column;gap:5px}
.knn-ad-vacant-copy strong{font-size:16px;line-height:24px;font-weight:600}
.knn-ad-vacant-copy>span{font-size:12px;line-height:20px;color:var(--ad-muted);overflow-wrap:anywhere}
.knn-ad-vacant-copy small{font-size:12px;line-height:20px;color:var(--ad-blue)}
.knn-ad-vacant-cta{flex:none;padding:7px 14px;border-radius:6px;background:var(--ad-blue);color:#fff;font-size:12px;line-height:20px;margin-left:12px}
.knn-ad-banner .knn-ad-vacant,.knn-ad-inline .knn-ad-vacant{min-height:116px}
.knn-ad-matrix .knn-ad-items{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}
.knn-ad-matrix .knn-ad-item{border:1px solid var(--ad-line)}
.knn-ad-matrix .knn-ad-vacant{min-height:190px;padding:18px 14px;flex-direction:column;gap:8px;text-align:center}
.knn-ad-matrix .knn-ad-placeholder{width:84px;height:64px}.knn-ad-matrix .knn-ad-vacant-cta{margin:4px 0 0}
.knn-ad-card .knn-ad-filled{display:grid;grid-template-columns:minmax(160px,.55fr) minmax(0,1fr);align-items:center;border:1px solid var(--ad-line)}
.knn-ad-card .knn-ad-visual{border-radius:8px 0 0 8px;aspect-ratio:3/2}
.knn-ad-card .knn-ad-copy{padding:20px}
.knn-ad-card .knn-ad-copy strong{font-size:17px;line-height:26px}
.knn-ad-card .knn-ad-vacant{min-height:160px}
.knn-ad-sidebar .knn-ad-filled{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--ad-line)}
.knn-ad-sidebar .knn-ad-visual{flex:none;width:84px;aspect-ratio:1;border-radius:7px}
.knn-ad-sidebar .knn-ad-copy{flex:1}
.knn-ad-link-arrow{flex:none;color:var(--ad-muted);font-size:21px;line-height:24px}
.knn-ad-sidebar .knn-ad-vacant{flex-wrap:wrap;gap:10px;padding:14px}
.knn-ad-sidebar .knn-ad-placeholder{width:68px;height:54px}
.knn-ad-sidebar .knn-ad-vacant-copy{flex:1}.knn-ad-sidebar .knn-ad-vacant-cta{margin:0;font-size:11px;padding:4px 10px}
.knn-ad-text .knn-ad-items{grid-template-columns:repeat(auto-fit,minmax(min(100%,235px),1fr));gap:0 22px}
.knn-ad-text .knn-ad-item{display:flex;align-items:center;gap:11px;min-height:76px;padding:13px 2px;border:0;border-bottom:1px solid var(--ad-line);border-radius:0;background:transparent;text-align:left}
.knn-ad-text .knn-ad-number{display:flex;align-items:center;justify-content:center;flex:none;align-self:flex-start;width:28px;height:28px;margin-top:2px;border-radius:6px;background:color-mix(in srgb,var(--ad-blue) 8%,var(--ad-bg));color:var(--ad-blue);font-size:12px;font-weight:650;font-variant-numeric:tabular-nums}
.knn-ad-text .knn-ad-copy,.knn-ad-text .knn-ad-vacant-copy{flex:1;gap:4px}
.knn-ad-text .knn-ad-copy strong,.knn-ad-text .knn-ad-vacant-copy strong{font-size:14px;line-height:21px;font-weight:550}
.knn-ad-text .knn-ad-vacant-copy>span{display:none}
.knn-ad-text .knn-ad-vacant-copy small{font-size:11px;line-height:18px;color:var(--ad-muted)}
.knn-ad-text .knn-ad-filled:hover strong,.knn-ad-text button.knn-ad-vacant:hover strong{color:var(--ad-blue)}
.knn-ad-text button.knn-ad-vacant:hover{border-color:var(--ad-line);background:transparent}
.knn-ad-text-placeholder{display:block;width:40px;height:32px;object-fit:contain;flex:none;opacity:.75}
.knn-ads-widget .knn-ad{margin:0;border:0;padding:0;background:transparent}
.knn-ad-device-mobile{display:none}
.knn-my-ad{padding:18px;margin:12px 0;border:1px solid var(--main-border-color,#e4e7ed);border-radius:10px;background:var(--main-bg-color,#fff)}
.knn-my-ad button{padding:7px 13px;margin:5px;border:1px solid #dcdfe6;border-radius:6px;background:#fff;color:#409eff;font:inherit;font-size:13px;cursor:pointer}
.knn-my-ad button:disabled{opacity:.5;cursor:wait}
@container(max-width:480px){.knn-ad-vacant{flex-wrap:wrap;gap:10px;padding:16px}.knn-ad-vacant-copy{flex:1}.knn-ad-placeholder{width:72px;height:56px}.knn-ad-vacant-cta{margin-left:0}.knn-ad-card .knn-ad-filled{grid-template-columns:minmax(0,1fr)}.knn-ad-card .knn-ad-visual{border-radius:8px 8px 0 0}.knn-ad-card .knn-ad-copy{padding:14px}.knn-ad-text .knn-ad-vacant{flex-wrap:nowrap}}
@media(max-width:767px){.knn-ad{padding:11px;border-radius:10px}.knn-ad-device-desktop{display:none}.knn-ad-device-mobile{display:block}.knn-ad-header{margin-bottom:8px}.knn-ad-vacant-copy strong{font-size:14px}.knn-ad-matrix .knn-ad-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.knn-ad-matrix .knn-ad-vacant{min-height:170px}.knn-ad-matrix .knn-ad-vacant-copy>span{display:none}}
@media(prefers-reduced-motion:reduce){.knn-ad *{transition:none!important}}