@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');
.bkc{font-family:'Inter',system-ui,sans-serif;color:#1d2347;line-height:1.55;-webkit-font-smoothing:antialiased;font-size:16px}
.bkc *,.bkc *::before,.bkc *::after{box-sizing:border-box}
.bkc button{font-family:inherit;cursor:pointer;border:0;margin:0}
.bkc h2,.bkc p{margin:0}
.bkc svg .k{fill:var(--or)}.bkc svg circle{fill:var(--c2)}
.bkc-card{position:fixed;left:24px;bottom:24px;z-index:99990;width:min(470px,calc(100vw - 32px));background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:28px;padding:30px 26px 24px;box-shadow:0 30px 80px -10px rgba(11,19,91,.45),0 0 0 1px rgba(11,19,91,.07);display:grid;grid-template-columns:auto 1fr;gap:6px 18px;opacity:0;visibility:hidden;transform:translateY(80px) scale(.94);transition:transform .5s,opacity .4s,visibility .5s}
.bkc-card.on{visibility:visible;opacity:1;transform:none;transition:transform .9s cubic-bezier(.2,.9,.3,1.2),opacity .5s}
.bkc-card::before{content:"";position:absolute;left:28px;right:28px;top:0;height:4px;border-radius:0 0 6px 6px;background:linear-gradient(90deg,var(--or),#ffb27a,var(--c1))}
.bkc-ico{position:relative;width:64px;height:64px}
.bkc-ico svg{width:100%;height:100%;transform-origin:50% 65%;animation:bkcw 4.5s ease-in-out infinite}
.bkc-ico i{position:absolute;top:66%;width:6px;height:6px;border-radius:50%;background:var(--or);opacity:0;animation:bkcf 2.8s ease-in infinite}
.bkc-ico i:nth-of-type(1){left:22%}.bkc-ico i:nth-of-type(2){left:48%;animation-delay:.9s}.bkc-ico i:nth-of-type(3){left:72%;animation-delay:1.7s}
.bkc-ico.sm{width:46px;height:46px;flex:none}
.bkc-tx h2{font:700 21px/1.2 'Sora',sans-serif;color:var(--c2);margin:2px 0 8px;letter-spacing:-.01em}
.bkc-tx p{font-size:14.5px;color:#4a5170}
.bkc a{color:var(--c1);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.bkc-act{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;align-items:center}
.bkc-btn{flex:1 1 auto;padding:14px 20px;border-radius:14px;font-weight:600;font-size:14.5px;transition:transform .25s,box-shadow .25s,filter .25s}
.bkc-ok{background:var(--or);color:#fff;box-shadow:0 10px 24px -8px var(--or)}
.bkc-no{background:#fff;color:var(--c2);box-shadow:inset 0 0 0 1.5px #d3d9ec}
.bkc-btn:hover{transform:translateY(-2px)}.bkc-ok:hover{filter:brightness(1.08)}
.bkc-link{flex:1 0 100%;background:none;color:var(--c1);font-weight:600;font-size:14px;padding:6px;text-decoration:underline;text-underline-offset:4px}
.bkc :focus-visible{outline:3px solid var(--or);outline-offset:2px}
.bkc-modal{position:fixed;inset:0;z-index:99995;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.bkc-modal.open{opacity:1;visibility:visible}
.bkc-bg{position:absolute;inset:0;background:rgba(7,12,50,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.bkc-box{position:relative;width:100%;max-width:660px;max-height:92vh;overflow:auto;background:#fff;border-radius:30px;padding:34px;box-shadow:0 50px 120px -20px rgba(0,0,0,.6);transform:translateY(50px) scale(.94);opacity:0;transition:transform .7s cubic-bezier(.2,.9,.3,1.15),opacity .4s}
.bkc-modal.open .bkc-box{transform:none;opacity:1}
.bkc-hd{display:flex;gap:16px;align-items:center;margin-bottom:10px}
.bkc-hd h2{font:700 24px 'Sora',sans-serif;color:var(--c2)}
.bkc-sub{font-size:14.5px;color:#5a6180}
.bkc-x{position:absolute;right:16px;top:14px;width:40px;height:40px;border-radius:50%;background:#f1f3fa;color:var(--c2);font-size:24px;line-height:1;transition:transform .35s,background .25s,color .25s}
.bkc-x:hover{transform:rotate(90deg);background:var(--or);color:#fff}
.bkc-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0;border-top:1px solid #e7eaf5;cursor:pointer;position:relative}
.bkc-t b{display:block;font-size:15.5px;color:var(--c2)}.bkc-t small{display:block;margin-top:2px;font-size:13.5px;color:#5f6684;line-height:1.5}
.bkc-row input{position:absolute;opacity:0;width:1px;height:1px}
.bkc-sw{flex:none;position:relative;width:54px;height:30px;border-radius:99px;background:#ccd3e8;transition:background .3s}
.bkc-sw::after{content:"";position:absolute;left:3px;top:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.25);transition:transform .35s cubic-bezier(.3,1.4,.5,1)}
.bkc-row input:checked+.bkc-sw{background:var(--or)}.bkc-row input:checked+.bkc-sw::after{transform:translateX(24px)}
.bkc-row input:disabled+.bkc-sw{opacity:.55}
.bkc-row input:focus-visible+.bkc-sw{outline:3px solid var(--or);outline-offset:3px}
.bkc-modal.open .bkc-row{animation:bkcu .5s both}
.bkc-modal.open .bkc-row:nth-child(1){animation-delay:.25s}.bkc-modal.open .bkc-row:nth-child(2){animation-delay:.33s}.bkc-modal.open .bkc-row:nth-child(3){animation-delay:.41s}.bkc-modal.open .bkc-row:nth-child(4){animation-delay:.49s}
.bkc-note{font-size:12.5px;color:#6a7190;border-top:1px solid #e7eaf5;padding-top:16px}
.bkc-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.bkc-fab{position:fixed;left:20px;bottom:20px;z-index:99980;width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:0 12px 30px rgba(11,19,91,.3),0 0 0 1px rgba(11,19,91,.08);display:grid;place-items:center;padding:9px;transform:scale(0);transition:transform .6s cubic-bezier(.2,.9,.3,1.5)}
.bkc-fab.on{transform:scale(1)}.bkc-fab svg{width:100%;height:100%;transition:transform .5s}.bkc-fab:hover svg{transform:rotate(25deg) scale(1.08)}
.bkc-toast{position:fixed;left:50%;bottom:28px;z-index:99999;transform:translate(-50%,40px);opacity:0;background:var(--c2);color:#fff;padding:13px 22px;border-radius:99px;font-weight:600;font-size:14.5px;box-shadow:0 16px 40px rgba(0,0,0,.35);transition:transform .5s cubic-bezier(.2,.9,.3,1.3),opacity .4s;pointer-events:none;display:flex;gap:10px;align-items:center;white-space:nowrap}
.bkc-toast b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--or);font-size:13px}
.bkc-toast.on{transform:translate(-50%,0);opacity:1}
@keyframes bkcw{0%,100%{transform:rotate(-6deg)}50%{transform:rotate(7deg) translateY(-2px)}}
@keyframes bkcf{0%{opacity:0;transform:translateY(0)}20%{opacity:.9}100%{opacity:0;transform:translateY(26px)}}
@keyframes bkcu{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.bkc *{animation:none!important}.bkc-card,.bkc-box{transition:opacity .2s!important;transform:none!important}.bkc-row{opacity:1!important}}
@media(max-width:560px){
.bkc-card{left:12px;right:12px;bottom:12px;width:auto;padding:26px 20px 20px;border-radius:24px;grid-template-columns:auto 1fr;gap:4px 14px}
.bkc-ico{width:52px;height:52px}.bkc-tx h2{font-size:18px}
.bkc-btn{flex:1 1 100%}
.bkc-modal{padding:0;align-items:flex-end}.bkc-box{border-radius:26px 26px 0 0;padding:26px 20px;max-height:94vh}
.bkc-hd h2{font-size:20px}.bkc-fab{left:14px;bottom:14px;width:48px;height:48px}
.bkc-toast{white-space:normal;width:calc(100vw - 32px);justify-content:center}}