.bk-root{--text:#15202b;--text-muted:#667085;--text-subtle:#9ca3af;--surface:#ffffffa8;--surface-2:#ffffff80;--surface-solid:#fff;--border:#141a281a;--border-strong:#141a282e;--track:#13151b12;--glass-sheen:#fffc;--card-shadow:0 14px 34px #1a1a1a1a;--scrim:#161e2c94;min-height:100vh;font-family:var(--of-font);transition:background var(--of-dur-base) var(--of-ease);-webkit-user-select:none!important;user-select:none!important}.bk-root input,.bk-root textarea{-webkit-user-select:text!important;user-select:text!important}.dark .bk-root{--text:#eaf0f7;--text-muted:#eaf0f79e;--text-subtle:#eaf0f766;--surface:#161e2e8c;--surface-2:#32405e42;--surface-solid:#161e2f;--border:#ffffff1a;--border-strong:#ffffff2e;--track:#ffffff1a;--glass-sheen:#ffffff1a;--card-shadow:0 18px 40px #00000057;--scrim:#070b12e0}.bk-root.glass-off{--surface:#fff;--surface-2:#f6f8fb;--glass-sheen:transparent}.dark .bk-root.glass-off{--surface:#18202f;--surface-2:#222b3e;--glass-sheen:transparent}.glass-on .pr-glass{-webkit-backdrop-filter:blur(var(--glass-blur)) saturate(1.35);backdrop-filter:blur(var(--glass-blur)) saturate(1.35)}.bk-root .pr-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--card-r);box-shadow:inset 0 1px 0 var(--glass-sheen);position:relative}.bk-root .pr-eyebrow{letter-spacing:.18em;text-transform:uppercase;color:color-mix(in srgb, var(--accent) 74%, var(--text));align-items:center;gap:8px;font-size:11px;font-weight:700;display:inline-flex}.bk-root .pr-eyebrow-bar{background:var(--accent);border-radius:2px;width:20px;height:2px}.bk-root .pr-btn{height:50px;font-family:var(--of-font);cursor:pointer;transition:filter var(--of-dur-fast) var(--of-ease), transform var(--of-dur-fast) var(--of-ease), box-shadow var(--of-dur-base) var(--of-ease);border:0;border-radius:13px;align-items:center;gap:9px;padding:0 24px;font-size:15px;font-weight:600;display:inline-flex}.bk-root .pr-btn svg{transition:transform var(--of-dur-base) var(--of-ease)}.bk-root .pr-btn-primary{background:var(--accent);color:#fff;box-shadow:none}.bk-root .pr-btn-primary:hover:not(:disabled){filter:brightness(1.06);box-shadow:none}.bk-root .pr-btn-primary:hover:not(:disabled) svg:last-child{transform:translate(4px)}.bk-root .pr-btn-primary:active:not(:disabled){transform:scale(.98)}.bk-root .pr-smodal-scrim{z-index:80;background:var(--scrim);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);opacity:0;animation:pr-fade var(--of-dur-base) var(--of-ease) forwards;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}@keyframes pr-fade{to{opacity:1}}@keyframes pr-pop{to{transform:translateY(0)scale(1)}}.bk-root .pr-smodal{background:var(--surface-solid);border:1px solid var(--border);width:560px;max-width:100%;max-height:88vh;box-shadow:var(--card-shadow);animation:pr-pop var(--of-dur-base) var(--of-ease) forwards;border-radius:22px;flex-direction:column;display:flex;overflow:hidden;transform:translateY(12px)scale(.98)}.bk-root .pr-smodal-head{flex-shrink:0;align-items:flex-start;gap:14px;padding:26px 28px 4px;display:flex}.bk-root .pr-smodal-head>div{min-width:0}.bk-root .pr-smodal-title{letter-spacing:-.03em;color:var(--text);margin:10px 0 0;font-size:clamp(21px,2vw,25px);font-weight:800}.bk-root .pr-smodal-desc{color:var(--text-muted);margin:6px 0 0;font-size:13.5px;line-height:1.5}.bk-root .pr-smodal-close{border:1px solid var(--border);background:var(--surface-2);width:36px;height:36px;color:var(--text-muted);cursor:pointer;transition:color var(--of-dur-fast), border-color var(--of-dur-fast);border-radius:50%;flex:none;justify-content:center;align-items:center;margin-left:auto;display:flex}.bk-root .pr-smodal-close:hover{color:var(--text);border-color:var(--border-strong)}.bk-root .pr-smodal-body{flex:1;min-height:0;padding:22px 28px 24px;overflow-y:auto}.bk-root .pr-smodal-foot{border-top:1px solid var(--border);background:var(--surface-2);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:18px 28px;display:flex}.bk-root .pr-smodal-foot .pr-btn{height:48px}.bk-root .pr-launch-summary{color:var(--text-subtle);font-size:12.5px}.bk-root .pr-launch-summary b{color:var(--text);font-weight:600}.bk-root .bk-shell{max-width:1024px;margin:0 auto;padding:clamp(24px,3vw,44px) clamp(16px,3vw,32px) 40px}.bk-root .bk-head{margin-bottom:clamp(20px,2.4vw,28px)}.bk-root .bk-crumb{align-items:center;gap:8px;margin-bottom:14px;font-size:13px;display:flex}.bk-root .bk-crumb-link{color:var(--text-muted);transition:color var(--of-dur-fast), background var(--of-dur-fast), border-color var(--of-dur-fast);border:1px solid #0000;border-radius:9px;align-items:center;gap:6px;padding:5px 10px 5px 8px;font-weight:500;text-decoration:none;display:inline-flex}.bk-root .bk-crumb-link:hover{color:var(--text);background:var(--surface-2);border-color:var(--border)}.bk-root .bk-crumb-sep{color:var(--text-subtle)}.bk-root .bk-crumb-cur{color:var(--text);font-weight:600}.bk-root .bk-head-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.bk-root .bk-head-titlewrap{align-items:center;gap:12px;min-width:0;display:flex}.bk-root .bk-title{letter-spacing:-.03em;color:var(--text);margin:0;font-size:clamp(23px,2.6vw,30px);font-weight:800;line-height:1.1}.bk-root .bk-subtitle{color:var(--text-muted);margin:3px 0 0;font-size:13.5px}.bk-root .bk-subtitle b{color:var(--text);font-weight:700}.bk-root .bk-mstats{flex-wrap:wrap;gap:8px;display:flex}.bk-root .bk-mstat{cursor:pointer;border:1px solid var(--border);background:color-mix(in srgb, var(--surface-2) 65%, transparent);height:34px;color:var(--text-muted);font-family:var(--of-font);-webkit-backdrop-filter:blur(8px);transition:color var(--of-dur-fast), border-color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast), box-shadow var(--of-dur-fast);border-radius:999px;align-items:center;gap:8px;padding:0 14px 0 10px;display:inline-flex}.bk-root .bk-mstat:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-2)}.bk-root .bk-mstat-ico{color:var(--text-subtle);transition:transform var(--of-dur-fast), color var(--of-dur-fast);justify-content:center;align-items:center;display:inline-flex}.bk-root .bk-mstat-txt{white-space:nowrap;font-size:12.5px;font-weight:600}.bk-root .bk-mstat-txt b{color:var(--text-muted);font-variant-numeric:tabular-nums;transition:color var(--of-dur-fast);margin-right:3px;font-weight:700}.bk-root .bk-mstat.is-on{color:var(--text);border:1.5px solid var(--mc)!important;background:color-mix(in srgb, var(--mc) 20%, var(--surface-2))!important;box-shadow:none!important}.bk-root .bk-mstat.is-on .bk-mstat-ico,.bk-root .bk-mstat.is-on .bk-mstat-txt b{color:var(--mc)}.bk-root .bk-viewtoggle{background:color-mix(in srgb, var(--surface-2) 64%, transparent);border:1px solid var(--border);-webkit-backdrop-filter:blur(14px)saturate(1.5);backdrop-filter:blur(14px)saturate(1.5);box-shadow:inset 0 1px 0 var(--glass-sheen), 0 4px 16px #0000001f;border-radius:14px;flex:none;padding:4px;display:inline-flex;position:relative}.bk-root .bk-vt-thumb{z-index:0;pointer-events:none;background:linear-gradient(157deg, color-mix(in srgb, var(--surface-solid) 88%, #fff 12%), var(--surface-solid));border:1px solid var(--border-strong);box-shadow:0 5px 16px #00000042, inset 0 1px 0 var(--glass-sheen);border-radius:10px;transition:left .52s cubic-bezier(.34,1.46,.46,1),width .52s cubic-bezier(.34,1.46,.46,1),opacity .2s;position:absolute;top:4px;bottom:4px;left:0}.dark .bk-root .bk-vt-thumb{box-shadow:0 5px 16px #0006, inset 0 1px 0 var(--glass-sheen)}.pr-root[data-theme=light] .bk-root .bk-vt-thumb{box-shadow:0 5px 16px #1a1a1a24, inset 0 1px 0 var(--glass-sheen)}.bk-root .bk-vtbtn{z-index:1;height:38px;color:var(--text-muted);font-family:var(--of-font);cursor:pointer;transition:color var(--of-dur-base) var(--of-ease);background:0 0;border:0;border-radius:10px;align-items:center;gap:7px;padding:0 17px;font-size:13.5px;font-weight:600;display:inline-flex;position:relative}.bk-root .bk-vtbtn:hover,.bk-root .bk-vtbtn.is-on{color:var(--text)}.bk-root .bk-vtbtn svg{transition:transform var(--of-dur-base) var(--of-ease)}.bk-root .bk-vtbtn.is-on svg{transform:scale(1.06)}.bk-root .bkh-title{letter-spacing:-.035em;color:var(--text);text-wrap:balance;margin:0;font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.05}.bk-root .bkh-title--xl{letter-spacing:-.042em;font-size:clamp(30px,4.6vw,52px);line-height:1}.bk-root .bkh-sub{color:var(--text-muted);margin:7px 0 0;font-size:14px}.bk-root .bkh-sub b{color:var(--text);font-weight:600}.bk-root .bkh-col{flex-direction:column;gap:12px;min-width:0;display:flex}.bk-root .bkh-watermark{color:var(--accent);pointer-events:none;z-index:0;opacity:.12;position:absolute}.dark .bk-root .bkh-watermark{opacity:.1}.bk-root .bkh-editorial{padding:4px 0 2px;position:relative}.bk-root .bkh-editorial .bkh-watermark{top:50%;right:6px;transform:translateY(-50%)}.bk-root .bkh-ed-head{z-index:1;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;display:flex;position:relative}.bk-root .bkh--editorial .bk-mstats{z-index:1;margin-top:20px;position:relative}.bk-root .bkh-hero{min-height:196px;box-shadow:var(--card-shadow), inset 0 1px 0 var(--glass-sheen);padding:clamp(22px,2.6vw,30px);position:relative;overflow:hidden}.bk-root .bkh-hero .bkh-watermark{top:50%;right:22px;transform:translateY(-50%)}.bk-root .bkh-hero-row{z-index:1;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:22px;margin-bottom:18px;display:flex;position:relative}.bk-root .bkh--hero .bk-mstats{z-index:1;margin-top:0;position:relative}.bk-root .bkh-minimal{position:relative}.bk-root .bkh-min-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.bk-root .bkh-min-meta{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding-top:16px;display:flex}.bk-root .bkh-min-meta .bkh-sub{margin:0}.bk-root .bkh--minimal .bk-mstats{margin-top:0}.bk-root .bkh-centered{padding:clamp(8px,2vw,20px) 0 4px;position:relative}.bk-root .bkh-c-content{z-index:1;text-align:center;flex-direction:column;align-items:center;gap:14px;display:flex;position:relative}.bk-root .bkh-c-mark{color:var(--accent);margin-bottom:2px;display:flex}.bk-root .bkh-c-content .bkh-sub{margin:0}.bk-root .bkh-c-toggle{margin-top:2px}.bk-root .bkh--centered .bk-mstats{justify-content:center;margin-top:2px}.bk-root .bkh-sidemark{align-items:stretch;gap:20px;display:flex}.bk-root .bkh-side-logo{color:#fff;background:linear-gradient(155deg, color-mix(in srgb, var(--accent) 80%, #fff 20%), var(--accent));width:88px;min-height:88px;box-shadow:0 16px 36px color-mix(in srgb, var(--accent) 40%, transparent), inset 0 1px 0 #ffffff40;border-radius:24px;flex:none;justify-content:center;align-items:center;display:flex}.bk-root .bkh-side-body{flex-direction:column;flex:1;justify-content:center;gap:16px;min-width:0;display:flex}.bk-root .bkh-side-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:22px;display:flex}.bk-root .bkh--sidemark .bk-mstats{margin-top:0}.bk-root .bk-filters{box-shadow:var(--card-shadow), inset 0 1px 0 var(--glass-sheen);margin-bottom:16px;padding:14px 16px 12px}.bk-root .bk-tbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:11px;display:flex}.bk-root .bk-chaprow{flex-wrap:wrap;gap:7px;margin-bottom:11px;display:flex}.bk-root .bk-prio-seg{align-items:center;gap:7px;display:inline-flex}.bk-root .bk-prio-label{letter-spacing:.09em;text-transform:uppercase;color:var(--text-subtle);white-space:nowrap;font-size:10.5px;font-weight:700}.bk-root .bk-prio-btn{cursor:pointer;height:34px;font-family:var(--of-font);border:1px solid var(--border);background:color-mix(in srgb, var(--surface-2) 65%, transparent);-webkit-backdrop-filter:blur(8px);transition:border-color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast), box-shadow var(--of-dur-fast);border-radius:999px;align-items:center;gap:4px;padding:0 14px;display:inline-flex}.bk-root .bk-prio-btn:hover{border-color:var(--border-strong);background:var(--surface-2)}.bk-root .bk-prio-btn:active{transform:scale(.95)}.bk-root .bk-prio-btn.is-on{border:1.5px solid var(--accent)!important;background:color-mix(in srgb, var(--accent) 20%, var(--surface-2))!important;box-shadow:none!important}.bk-root .bk-search{align-items:center;display:flex;position:relative}.bk-root .bk-search-ico{color:var(--text-subtle);pointer-events:none;position:absolute;left:12px}.bk-root .bk-search-input{border:1px solid var(--border);background:color-mix(in srgb, var(--surface-2) 65%, transparent);width:100%;height:36px;color:var(--text);font-family:var(--of-font);-webkit-backdrop-filter:blur(12px);transition:border-color var(--of-dur-fast), box-shadow var(--of-dur-fast), background var(--of-dur-fast);border-radius:999px;outline:none;padding:0 32px 0 34px;font-size:13.5px}.bk-root .bk-search-input::placeholder{color:var(--text-subtle)}.bk-root .bk-search-input:focus{border-color:color-mix(in srgb, var(--accent) 60%, transparent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);background:var(--surface-solid)}.bk-root .bk-search-clear{background:var(--track);width:22px;height:22px;color:var(--text-muted);cursor:pointer;transition:color var(--of-dur-fast), background var(--of-dur-fast);border:0;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;right:6px}.bk-root .bk-search-clear:hover{color:var(--text);background:var(--border-strong)}.bk-root .bk-reset{cursor:pointer;height:42px;font-family:var(--of-font);color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent);border:1px solid color-mix(in srgb, var(--accent) 28%, transparent);transition:background var(--of-dur-fast), border-color var(--of-dur-fast);border-radius:12px;flex:none;align-items:center;gap:7px;padding:0 14px;font-size:13px;font-weight:600;display:inline-flex}.bk-root .bk-reset:hover{background:color-mix(in srgb, var(--accent) 18%, transparent);border-color:color-mix(in srgb, var(--accent) 45%, transparent)}.bk-root .bk-ftoggle-btn{border:1px solid var(--border);background:color-mix(in srgb, var(--surface-2) 60%, transparent);height:34px;color:var(--text-muted);font-family:var(--of-font);cursor:pointer;-webkit-backdrop-filter:blur(12px);transition:color var(--of-dur-fast), border-color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast);border-radius:999px;align-items:center;gap:6px;padding:0 12px;font-size:12px;font-weight:600;display:inline-flex}.bk-root .bk-ftoggle-btn:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-2)}.bk-root .bk-ftoggle-btn.is-active{color:var(--text);border-color:color-mix(in srgb, var(--accent) 45%, transparent);background:color-mix(in srgb, var(--accent) 12%, var(--surface-2))}.bk-root .bk-ftoggle-badge{background:var(--accent);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:700;display:inline-flex}.bk-root .bk-fpanel{-webkit-backdrop-filter:blur(20px)saturate(1.4);transition:border-color var(--of-dur-base) var(--of-ease), box-shadow var(--of-dur-base) var(--of-ease);border-radius:22px;overflow:hidden}:root:not(.dark) .bk-root .bk-fpanel{background:linear-gradient(145deg,#ffffffc7 0%,#f8fafc94 100%);border:1px solid #ffffffd9;box-shadow:inset 0 1px #fffffff2,0 10px 30px #0f172a0a}.dark .bk-root .bk-fpanel{background:linear-gradient(145deg,#1c192a99 0%,#0f172a73 100%);border:1px solid #ffffff14;box-shadow:inset 0 1px #ffffff1f,0 14px 36px #00000052}.bk-root .bk-fchip{cursor:pointer;height:32px;font-family:var(--of-font);border:1px solid var(--border);background:color-mix(in srgb, var(--surface-2) 60%, transparent);color:var(--text);-webkit-backdrop-filter:blur(8px);transition:color var(--of-dur-fast), border-color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast);border-radius:999px;align-items:center;gap:7.5px;padding:0 13px;font-size:13px;font-weight:600;display:inline-flex}.bk-root .bk-fchip:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-2)}.bk-root .bk-fchip:active{transform:scale(.96)}.bk-root .bk-fchip .bk-chip-dot{background:var(--cc,var(--accent));width:7.5px;height:7.5px;transition:transform var(--of-dur-fast), background var(--of-dur-fast);border-radius:50%;flex:none}.bk-root .bk-fchip.is-on{color:var(--text);border:1.5px solid color-mix(in srgb, var(--cc,var(--accent)) 50%, transparent)!important;background:color-mix(in srgb, var(--cc,var(--accent)) 16%, var(--surface-solid))!important;box-shadow:none!important}.bk-root .bk-fchip.is-on .bk-chip-dot{box-shadow:0 1px 2px #00000026;background:#fff!important}.bk-root .bk-star{color:var(--text-subtle);opacity:.45}.bk-root .bk-star.is-on{color:var(--accent);opacity:1}.bk-root .bk-fbar{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-top:2px;padding-top:11px;display:flex}.bk-root .bk-fbar-count{color:var(--text-muted);font-size:13px}.bk-root .bk-fbar-count b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:700}.bk-root .bk-selall{cursor:pointer;height:36px;font-family:var(--of-font);color:var(--text-muted);border:1px solid var(--border);transition:color var(--of-dur-fast), border-color var(--of-dur-fast), background var(--of-dur-fast);background:0 0;border-radius:10px;align-items:center;gap:9px;padding:0 12px;font-size:13px;font-weight:600;display:inline-flex}.bk-root .bk-selall:hover:not(:disabled){color:var(--text);border-color:var(--border-strong);background:var(--surface-2)}.bk-root .bk-selall:disabled{opacity:.4;cursor:not-allowed}.bk-root .bk-selall-box{border:1.5px solid var(--border-strong);color:#fff;width:18px;height:18px;transition:background var(--of-dur-fast), border-color var(--of-dur-fast);border-radius:6px;flex:none;justify-content:center;align-items:center;display:flex}.bk-root .bk-selall-box.is-on,.bk-root .bk-selall-box.is-part{background:var(--accent);border-color:var(--accent)}.bk-root .bk-list{flex-direction:column;gap:12px;display:flex}.bk-root .bk-qcard{-webkit-backdrop-filter:blur(20px)saturate(1.4);transition:border-color var(--of-dur-base) var(--of-ease), box-shadow var(--of-dur-base) var(--of-ease), transform var(--of-dur-base) var(--of-ease);border-radius:20px;position:relative;overflow:hidden}:root:not(.dark) .bk-root .bk-qcard{background:linear-gradient(145deg,#ffffffc7 0%,#f8fafc94 100%);border:1px solid #ffffffd9;box-shadow:inset 0 1px #fffffff2,0 6px 20px #0f172a08}.dark .bk-root .bk-qcard{background:linear-gradient(145deg,#1c192a8c 0%,#0f172a66 100%);border:1px solid #ffffff14;box-shadow:inset 0 1px #ffffff1f,0 10px 28px #00000047}.bk-root .bk-qcard:hover{transform:translateY(-2px)}:root:not(.dark) .bk-root .bk-qcard:hover{border-color:#fff;box-shadow:inset 0 1px #fff,0 12px 32px #0f172a12}.dark .bk-root .bk-qcard:hover{border-color:#ffffff29;box-shadow:inset 0 1px #ffffff2e,0 14px 36px #0006}.bk-root .bk-qcard.is-sel{border-color:color-mix(in srgb, var(--accent) 70%, transparent)!important;box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent), 0 12px 32px color-mix(in srgb, var(--accent) 20%, transparent), inset 0 1px 0 #fff3!important}.bk-root .bk-qcard-main{gap:15px;padding:18px 20px 14px;display:flex}.bk-root.bk-compact .bk-qcard-main{padding:13px 16px 10px}.bk-root .bk-check{border:1.5px solid var(--border-strong);background:var(--surface-2);color:#fff;cursor:pointer;width:22px;height:22px;transition:background var(--of-dur-fast), border-color var(--of-dur-fast), transform var(--of-dur-fast);border-radius:7px;flex:none;justify-content:center;align-items:center;margin-top:1px;display:flex}.bk-root .bk-check:hover{border-color:var(--accent)}.bk-root .bk-check:active{transform:scale(.9)}.bk-root .bk-check.is-on{background:var(--accent);border-color:var(--accent)}.bk-root .bk-qcard-body{flex:1;min-width:0}.bk-root .bk-qcard-meta{flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:10px;display:flex}.bk-root .bk-chip-ch{white-space:nowrap;height:21px;color:color-mix(in srgb, var(--cc) 85%, var(--text));background:color-mix(in srgb, var(--cc) 14%, transparent);border:1px solid color-mix(in srgb, var(--cc) 25%, transparent);border-radius:999px;align-items:center;gap:5px;padding:0 8px;font-size:10.5px;font-weight:600;display:inline-flex}.bk-root .bk-chip-ch .bk-chip-dot{background:var(--cc);border-radius:50%;width:5.5px;height:5.5px}.bk-root .bk-mbadge{white-space:nowrap;height:21px;color:var(--mc);background:color-mix(in srgb, var(--mc) 16%, transparent);border-radius:999px;align-items:center;gap:4px;padding:0 8px;font-size:10.5px;font-weight:600;display:inline-flex}.bk-root .bk-stars{align-items:center;gap:2px;display:inline-flex}.bk-root .bk-done{color:var(--text-subtle);white-space:nowrap;align-items:center;gap:4px;font-size:10.5px;font-weight:600;display:inline-flex}.bk-root .bk-qtext{text-align:left;width:100%;font-family:var(--of-font);color:var(--text);letter-spacing:-.005em;transition:color var(--of-dur-fast);background:0 0;border:0;padding:0;font-size:16px;font-weight:600;line-height:1.5;display:block}.bk-root .bk-qcard:hover .bk-qtext{color:color-mix(in srgb, var(--accent) 70%, var(--text))}.bk-root .bk-drawer{animation:bk-drawer-in var(--of-dur-base) var(--of-ease);flex-direction:column;gap:20px;padding:16px 24px 28px 57px;display:flex}.bk-root.bk-compact .bk-drawer{padding-left:51px}.bk-root .bk-drawer-divider{background:color-mix(in srgb, var(--border) 45%, transparent);width:calc(100% - 12px);height:1px;margin:6px 0}@keyframes bk-drawer-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.bk-root .bk-ans{background:0 0;border:none;border-radius:0;padding:0}.bk-root .bk-ans-label{letter-spacing:.06em;text-transform:uppercase;color:color-mix(in srgb, var(--of-green) 90%, var(--text));align-items:center;gap:6px;font-size:11px;font-weight:700;display:inline-flex}.bk-root .bk-ans-text{color:var(--text);overflow-wrap:break-word;word-break:break-word;margin:7px 0 0;font-size:14.5px;font-weight:400;line-height:1.7}.bk-root .bk-exp{background:0 0;border:none;border-radius:0;padding:0}.bk-root .bk-exp-label{letter-spacing:.06em;text-transform:uppercase;color:color-mix(in srgb, var(--of-yellow) 55%, var(--text-subtle));align-items:center;gap:6px;font-size:11px;font-weight:700;display:inline-flex}.bk-root .bk-exp-label svg{color:color-mix(in srgb, var(--of-yellow) 65%, var(--text-subtle))}.bk-root .bk-exp-text{color:var(--text-muted);overflow-wrap:break-word;word-break:break-word;margin:6px 0 0;font-size:13px;font-weight:400;line-height:1.6}.bk-root .bk-empty{text-align:center;flex-direction:column;align-items:center;gap:6px;padding:56px 24px;display:flex}.bk-root .bk-empty-ico{width:64px;height:64px;color:var(--text-subtle);background:var(--surface-2);border:1px solid var(--border);border-radius:18px;justify-content:center;align-items:center;margin-bottom:10px;display:flex}.bk-root .bk-empty-title{color:var(--text);margin:0;font-size:18px;font-weight:700}.bk-root .bk-empty-desc{color:var(--text-muted);margin:0 0 14px;font-size:14px}.bk-root .bk-pager{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:20px;display:flex}.bk-root .bk-pager-range{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:13px}.bk-root .bk-pager-nav{align-items:center;gap:10px;display:flex}.bk-root .bk-pager-btn{cursor:pointer;height:40px;font-family:var(--of-font);color:var(--text);background:var(--surface-2);border:1px solid var(--border);transition:border-color var(--of-dur-fast), background var(--of-dur-fast), color var(--of-dur-fast);border-radius:11px;align-items:center;gap:6px;padding:0 14px;font-size:13.5px;font-weight:600;display:inline-flex}.bk-root .bk-pager-btn:hover:not(:disabled){border-color:var(--border-strong);background:var(--track)}.bk-root .bk-pager-btn:disabled{opacity:.4;cursor:not-allowed}.bk-root .bk-pager-pos{color:var(--text);font-variant-numeric:tabular-nums;padding:0 4px;font-size:13.5px;font-weight:600}.bk-root .bk-pager-pos i{color:var(--text-subtle);margin:0 3px;font-style:normal}.bk-root .bk-shell-foot{transition:height var(--of-dur-base) var(--of-ease)}.bk-root .bk-selbar{z-index:50;pointer-events:none;opacity:0;width:100%;transition:transform var(--of-dur-base) var(--of-ease), opacity var(--of-dur-base) var(--of-ease);justify-content:center;display:flex;position:sticky;bottom:24px;transform:translateY(140%)}.bk-root .bk-selbar.is-on{opacity:1;transform:translateY(0)}.bk-root .bk-selbar-inner{pointer-events:auto;-webkit-backdrop-filter:blur(24px)saturate(1.6);width:100%;transition:box-shadow var(--of-dur-base), border-color var(--of-dur-base), background var(--of-dur-base);border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;padding:12px 16px 12px 22px;display:flex}:root:not(.dark) .bk-root .bk-selbar-inner{background:linear-gradient(145deg,#fffffff2 0%,#f1f5f9e6 100%);box-shadow:inset 0 1px #fff,0 22px 52px -10px #0f172a3d,0 8px 22px -6px #0f172a24;border:1px solid #cbd5e1e6!important}.dark .bk-root .bk-selbar-inner{background:linear-gradient(145deg,#1e1b2eeb 0%,#0f172ae0 100%);box-shadow:inset 0 1px #fff3,0 26px 64px -10px #000000ad,0 10px 24px -6px #0000006b;border:1px solid #ffffff29!important}.bk-root .bk-selbar-count{color:var(--text);align-items:center;gap:6px;font-size:14px;font-weight:500;display:flex}.bk-root .bk-selbar-count b{font-variant-numeric:tabular-nums;color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, transparent);border-radius:7px;margin-right:2px;padding:2px 8px;font-size:15.5px;font-weight:700}.bk-root .bk-selbar-actions{align-items:center;gap:10px;display:flex}.bk-root .bk-selbar-clear{cursor:pointer;height:40px;font-family:var(--of-font);color:var(--text-muted);background:color-mix(in srgb, var(--surface-2) 80%, transparent);-webkit-backdrop-filter:blur(8px);transition:color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast), border-color var(--of-dur-fast);border-radius:11px;padding:0 16px;font-size:13px;font-weight:600;border:1px solid var(--border-strong)!important}.bk-root .bk-selbar-clear:hover{color:var(--text);background:var(--surface-2);border-color:color-mix(in srgb, var(--text-subtle) 60%, transparent)!important}.bk-root .bk-selbar-clear:active{transform:scale(.96)}.bk-root .bk-selbar-go{background:var(--accent);color:#fff;height:40px;transition:filter var(--of-dur-fast), transform var(--of-dur-fast);border-radius:11px;padding:0 18px;font-size:13.5px;font-weight:600;box-shadow:none!important;border:none!important}.bk-root .bk-selbar-go:hover{filter:brightness(1.08)}.bk-root .bk-selbar-go:active{transform:scale(.97)}.bk-root .bk-lmodal{width:540px}.bk-root .bk-modes{grid-template-columns:1fr 1fr;gap:12px;display:grid}.bk-root .bk-mode{text-align:left;cursor:pointer;font-family:var(--of-font);background:var(--surface-2);border:1.5px solid var(--border);transition:border-color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast);border-radius:14px;align-items:center;gap:13px;padding:16px;display:flex;position:relative}.bk-root .bk-mode:hover{border-color:var(--border-strong);transform:translateY(-2px)}.bk-root .bk-mode.is-on{border-color:color-mix(in srgb, var(--mc) 70%, transparent);background:color-mix(in srgb, var(--mc) 12%, var(--surface-2))}.bk-root .bk-mode-ico{color:#fff;background:var(--mc);width:42px;height:42px;box-shadow:0 6px 16px color-mix(in srgb, var(--mc) 40%, transparent);border-radius:12px;flex:none;justify-content:center;align-items:center;display:flex}.bk-root .bk-mode-txt{flex-direction:column;gap:2px;min-width:0;display:flex}.bk-root .bk-mode-txt strong{color:var(--text);font-size:14.5px;font-weight:700}.bk-root .bk-mode-txt span{color:var(--text-muted);font-size:12px}.bk-root .bk-mode-tick{border:1.5px solid var(--border-strong);color:#fff;width:20px;height:20px;transition:background var(--of-dur-fast), border-color var(--of-dur-fast);border-radius:7px;justify-content:center;align-items:center;display:flex;position:absolute;top:12px;right:12px}.bk-root .bk-mode-tick.is-on{background:var(--mc);border-color:var(--mc)}.bk-root .bk-spin{border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite bk-spin}@keyframes bk-spin{to{transform:rotate(360deg)}}.bk-root .bk-deck{flex-direction:column;align-items:center;gap:20px;padding:6px 0 10px;display:flex}.bk-root .bk-deck-progress{flex-direction:column;gap:9px;width:100%;max-width:660px;display:flex}.bk-root .bk-deck-bar{justify-content:space-between;align-items:center;gap:12px;display:flex}.bk-root .bk-deck-bar-right{align-items:center;gap:12px;display:flex}.bk-root .bk-deck-fs{cursor:pointer;height:30px;font-family:var(--of-font);color:var(--text-muted);background:var(--surface-2);border:1px solid var(--border);transition:color var(--of-dur-fast), border-color var(--of-dur-fast), background var(--of-dur-fast);border-radius:9px;align-items:center;gap:6px;padding:0 11px;font-size:12px;font-weight:600;display:inline-flex}.bk-root .bk-deck-fs:hover{color:var(--text);border-color:var(--border-strong);background:var(--track)}.bk-root .bk-deck-pos{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:13px;display:flex}.bk-root .bk-deck-pos b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:700}.bk-root .bk-deck-flip-status{letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-size:11px;font-weight:700}.bk-root .bk-deck-meter{background:var(--track);border-radius:999px;height:6px;overflow:hidden}.bk-root .bk-deck-meter-fill{background:var(--accent);height:100%;transition:width var(--of-dur-base) var(--of-ease);border-radius:999px}.bk-root .bk-deck-stage{width:100%;max-width:680px;position:relative}.bk-root .bk-deck-stack{pointer-events:none;height:40px;position:absolute;top:0;left:0;right:0}.bk-root .bk-deck-stack:before,.bk-root .bk-deck-stack:after{content:"";background:var(--surface);border:1px solid var(--border);border-radius:22px;height:60px;position:absolute;top:0;left:50%;transform:translate(-50%)}.bk-root .bk-deck-stack:before{opacity:.55;width:92%;top:8px}.bk-root .bk-deck-stack:after{opacity:.3;width:84%;top:17px}.bk-root .bk-fcard{z-index:1;cursor:pointer;-webkit-backdrop-filter:blur(20px)saturate(1.35);isolation:isolate;border-radius:26px;flex-direction:column;min-height:clamp(400px,50vh,460px);padding:36px 44px 28px;transition:transform .16s cubic-bezier(.2,.8,.2,1),border-color .16s,box-shadow .16s;display:flex;position:relative;overflow:hidden}.bk-root .bk-fcard.is-flipped{height:auto;min-height:clamp(400px,50vh,460px);max-height:min(720px,100vh - 220px)}.bk-root .bk-fcard:before{display:none}:root:not(.dark) .bk-root .bk-fcard{background:linear-gradient(160deg, color-mix(in srgb, var(--qc,#ff4f4e) 8%, #f8fafc) 0%, #f8fafc 100%)!important;border:1px solid color-mix(in srgb, var(--qc,#ff4f4e) 35%, #0f172a14)!important;box-shadow:0 12px 36px #0f172a12!important}.dark .bk-root .bk-fcard{background:linear-gradient(160deg, color-mix(in srgb, var(--qc,#ff4f4e) 9%, #111827) 0%, #111827 100%)!important;border:1px solid color-mix(in srgb, var(--qc,#ff4f4e) 35%, #ffffff0f)!important;box-shadow:0 18px 48px #00000073!important}.bk-root .bk-fcard:hover{transform:translateY(-3px)}.bk-root .bk-fcard.is-sel{box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 60%, transparent), var(--card-shadow)!important}.bk-root .bk-fcard-top{flex-shrink:0;justify-content:center;align-items:center;width:100%;margin-bottom:16px;display:flex;position:relative}.bk-root .bk-fcard-top-right{align-items:center;gap:8px;display:flex;position:absolute;top:50%;right:0;transform:translateY(-50%)}.bk-root .bk-fcard-face{flex:1;width:100%;min-height:0}.bk-root .bk-fcard-front{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:6px 12px;display:flex}.bk-root .bk-fcard.is-flipped .bk-fcard-front{display:none!important}.bk-root .bk-fcard-q-wrap{text-align:center;overscroll-behavior:contain;scrollbar-width:thin;flex:1;justify-content:center;align-items:center;width:100%;min-height:0;padding:8px 4px;display:flex;overflow-y:auto}.bk-root .bk-fcard-q-front{letter-spacing:-.018em;color:var(--text);text-wrap:pretty;text-align:center;overflow-wrap:break-word;word-break:break-word;cursor:pointer;max-width:680px;margin:0;font-size:clamp(20px,2.6vw,26px);font-weight:800;line-height:1.45;-webkit-user-select:none!important;user-select:none!important;transition:none!important;animation:none!important}.bk-root .bk-fcard-back{text-align:left;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--border-strong) 60%, transparent) transparent;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:8px 6px 8px 0;display:none;overflow-y:auto}.bk-root .bk-fcard.is-flipped .bk-fcard-back{display:flex!important}.bk-root .bk-fcard-q-back{letter-spacing:-.012em;color:var(--text-muted);text-align:left;text-wrap:pretty;overflow-wrap:break-word;word-break:break-word;cursor:pointer;flex-shrink:0;margin:0 0 16px;font-size:clamp(15px,1.8vw,18px);font-weight:700;line-height:1.45;-webkit-user-select:none!important;user-select:none!important;transition:none!important;animation:none!important}.bk-root .bk-fcard-back::-webkit-scrollbar{width:5px}.bk-root .bk-fcard-q-wrap::-webkit-scrollbar{width:5px}.bk-root .bk-fcard-back::-webkit-scrollbar-track{background:0 0}.bk-root .bk-fcard-q-wrap::-webkit-scrollbar-track{background:0 0}.bk-root .bk-fcard-back::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--border-strong) 60%, transparent);border-radius:999px}.bk-root .bk-fcard-q-wrap::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--border-strong) 60%, transparent);border-radius:999px}.bk-root .bk-fcard-back::-webkit-scrollbar-thumb:hover{background:var(--text-subtle)}.bk-root .bk-fcard-q-wrap::-webkit-scrollbar-thumb:hover{background:var(--text-subtle)}.bk-root .bk-ans-text,.bk-root .bk-exp-text,.bk-root .bk-fcard-q,.bk-root .bk-fcard-q-front,.bk-root .bk-fcard-q-back,.bk-root .bk-fcard.is-flipped .bk-ans-text,.bk-root .bk-fcard.is-flipped .bk-exp-text,.bk-root .bk-fcard.is-flipped .bk-fcard-q,.bk-root .bk-fcard.is-flipped .bk-fcard-q-back{cursor:pointer;-webkit-user-select:none!important;user-select:none!important}.bk-root .bk-fcard-reveal,.bk-root .bk-fcard.is-flipped .bk-fcard-reveal{flex-direction:column;gap:12px;display:flex;transition:none!important;animation:none!important}.bk-root .bk-fcard-hint{color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;gap:7px;margin-top:auto;padding-top:14px;font-size:12.5px;font-weight:600;display:flex}.bk-root .bk-deck-ctrl{align-items:center;gap:16px;margin-top:18px;display:flex}.bk-root .bk-deck-btn{cursor:pointer;width:40px;height:40px;color:var(--text-muted);background:color-mix(in srgb, var(--surface-2) 75%, transparent);-webkit-backdrop-filter:blur(8px);transition:background var(--of-dur-fast), color var(--of-dur-fast), transform var(--of-dur-fast);border-radius:999px;justify-content:center;align-items:center;padding:0;display:inline-flex;border:none!important}.bk-root .bk-deck-btn:hover:not(:disabled){color:var(--text);background:var(--surface-2)}.bk-root .bk-deck-btn:active:not(:disabled){transform:scale(.94)}.bk-root .bk-deck-btn:disabled{opacity:.3;cursor:not-allowed}.bk-root .bk-deck-flip,.bk-root .bk-deck-keys{display:none!important}.bk-root .bk-strip-wrap{flex-direction:column;gap:10px;width:100%;max-width:100%;margin-top:36px;display:flex}.bk-root .bk-strip-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-subtle);align-items:center;gap:6px;padding-left:4px;font-size:11px;font-weight:700;display:inline-flex}.bk-root .bk-strip{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;cursor:grab;-webkit-user-select:none;user-select:none;gap:12px;padding:10px 24px 16px;scroll-padding:0 24px;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#0000,#000 20px calc(100% - 20px),#0000);mask-image:linear-gradient(90deg,#0000,#000 20px calc(100% - 20px),#0000)}.bk-root .bk-strip.is-grabbing{cursor:grabbing;scroll-behavior:auto}.bk-root .bk-strip::-webkit-scrollbar{height:7px}.bk-root .bk-strip::-webkit-scrollbar-track{background:0 0}.bk-root .bk-strip::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}.bk-root .bk-strip-item{text-align:left;cursor:grab;width:172px;font-family:var(--of-font);background:var(--surface-2);border:1px solid var(--border);transition:border-color var(--of-dur-fast), background var(--of-dur-fast), transform var(--of-dur-fast);border-radius:12px;flex-direction:column;flex:none;gap:6px;padding:10px 12px;display:flex}.bk-root .bk-strip.is-grabbing .bk-strip-item{cursor:grabbing}.bk-root .bk-strip-item:hover{border-color:var(--border-strong);transform:translateY(-2px)}.bk-root .bk-strip.is-grabbing .bk-strip-item:hover{transform:none}.bk-root .bk-strip-item.is-cur{border-color:color-mix(in srgb, var(--accent) 70%, transparent);background:color-mix(in srgb, var(--accent) 13%, var(--surface-2));box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent) inset}.bk-root .bk-strip-head{align-items:center;gap:6px;display:flex}.bk-root .bk-strip-num{color:var(--text-subtle);font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.bk-root .bk-strip-item.is-cur .bk-strip-num{color:var(--accent)}.bk-root .bk-strip-dot{background:var(--cc);border-radius:50%;width:7px;height:7px}.bk-root .bk-strip-q{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:11.5px;line-height:1.35;display:-webkit-box;overflow:hidden}.bk-root .bk-strip-item.is-cur .bk-strip-q{color:var(--text)}.bk-root .bk-deck-wrap.is-fs{z-index:200;-webkit-backdrop-filter:blur(46px)saturate(1.3);backdrop-filter:blur(46px)saturate(1.3);flex-direction:column;align-items:center;padding:clamp(18px,3.5vh,44px) 24px;display:flex;position:fixed;inset:0;overflow-y:auto}.bk-root[data-theme=dark] .bk-deck-wrap.is-fs{background:#11161fb8}.bk-root[data-theme=light] .bk-deck-wrap.is-fs{background:#fffafaa8}.bk-root .bk-deck-wrap.is-fs .bk-deck{gap:26px;width:100%;max-width:860px;margin:auto}.bk-root .bk-deck-wrap.is-fs .bk-deck-keys,.bk-root .bk-deck-wrap.is-fs .bk-strip-wrap,.bk-root .bk-deck-wrap.is-fs .bk-deck-fs,.bk-root .bk-deck-wrap.is-fs .bk-deck-flip-status{display:none}.bk-root .bk-deck-wrap.is-fs .bk-deck-progress{width:100%;max-width:760px}.bk-root .bk-deck-wrap.is-fs .bk-deck-stage{width:100%;max-width:900px}.bk-root .bk-deck-wrap.is-fs .bk-fcard{min-height:480px;max-height:calc(100vh - 160px);padding:44px 54px 36px}.bk-root .bk-deck-wrap.is-fs .bk-fcard.is-flipped{aspect-ratio:auto;height:auto}.bk-root .bk-deck-wrap.is-fs .bk-fcard-q,.bk-root .bk-deck-wrap.is-fs .bk-fcard.is-flipped .bk-fcard-q,.bk-root .bk-deck-wrap.is-fs .bk-fcard-q-front{text-align:center;font-size:clamp(24px,3.2vw,32px);transition:none!important;animation:none!important}.bk-root .bk-deck-wrap.is-fs .bk-fcard-q-back,.bk-root .bk-deck-wrap.is-fs .bk-fcard.is-flipped .bk-fcard-q-back{text-align:left;font-size:clamp(17px,2.2vw,21px);transition:none!important;animation:none!important}.bk-root .bk-fcard .bk-ans-text{overflow-wrap:break-word;word-break:break-word;font-size:15.5px;line-height:1.6}.bk-root .bk-fcard .bk-exp-text{overflow-wrap:break-word;word-break:break-word;font-size:14px;line-height:1.6}.bk-root .bk-deck-wrap.is-fs .bk-fcard .bk-ans-text{font-size:17.5px}.bk-root .bk-deck-wrap.is-fs .bk-fcard .bk-exp-text{font-size:15.5px}.bk-root .bk-fs-exit{z-index:3;cursor:pointer;height:40px;font-family:var(--of-font);color:var(--text);background:color-mix(in srgb, var(--surface-2) 60%, transparent);border:1px solid var(--border-strong);-webkit-backdrop-filter:blur(18px)saturate(1.4);backdrop-filter:blur(18px)saturate(1.4);transition:background var(--of-dur-fast), transform var(--of-dur-fast);border-radius:12px;align-items:center;gap:7px;padding:0 16px;font-size:13px;font-weight:600;display:inline-flex;position:absolute;top:20px;right:22px;box-shadow:0 8px 22px #00000042}.bk-root .bk-fs-exit:hover{background:color-mix(in srgb, var(--surface-2) 85%, transparent)}.bk-root .bk-fs-exit:active{transform:scale(.96)}@media (max-width:720px){.bk-root .bk-head-row{flex-direction:column;align-items:flex-start}.bk-root .bk-mstats{width:100%}.bk-root .bk-mstat{flex:1;justify-content:center;min-width:0}.bk-root .bk-fgroup{flex-direction:column;align-items:flex-start;gap:8px}.bk-root .bk-fgroup-label{width:auto}.bk-root .bk-modes{grid-template-columns:1fr}.bk-root .bk-deck-ctrl{width:100%}.bk-root .bk-deck-btn{flex:1;justify-content:center;padding:0 10px}.bk-root .bk-fcard{min-height:320px;max-height:calc(100vh - 180px);padding:24px 20px 18px}.bk-root .bk-fcard.is-flipped{min-height:360px}.bk-root .bk-viewtoggle{width:100%;margin-top:4px}.bk-root .bk-vtbtn{flex:1;justify-content:center}.bk-root .bkh-sidemark{flex-direction:column;gap:16px}.bk-root .bkh-side-logo{width:68px;min-height:68px}.bk-root .bkh-min-meta{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){.bk-root *{transition:none!important}.bk-root .bk-spin{animation:none!important}}