.fk-page{background:#fff}.fk-hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(120% 110% at 84% -10%,rgba(30,200,160,.18),transparent 52%),linear-gradient(180deg,#0064fe,#064fc0 20%,#062f72 56%,#04142f)}.fk-hero:after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1.4px);background-size:26px 26px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);mask-image:linear-gradient(180deg,#000,transparent 78%)}.fk-orbs{position:absolute;inset:0;z-index:1;pointer-events:none}.fk-orbs span{position:absolute;border-radius:50%;filter:blur(54px)}.fk-orbs .a{width:36vw;height:36vw;top:-8vw;right:6vw;background:radial-gradient(circle,rgba(61,134,255,.6),transparent 66%);opacity:.55}.fk-orbs .b{width:30vw;height:30vw;bottom:-14vw;left:-4vw;background:radial-gradient(circle,rgba(25,200,166,.5),transparent 68%);opacity:.5}.fk-hero-in{position:relative;z-index:3;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:clamp(26px,4vw,50px) 0 clamp(70px,7vw,100px)}.fk-crumb{display:flex;align-items:center;gap:9px;font-size:.86rem;font-weight:600;color:#ffffffc7;margin-bottom:18px}.fk-crumb a{color:#ffffffdb;text-decoration:none}.fk-crumb a:hover{color:#fff;text-decoration:underline}.fk-chip{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:800;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:#06325f;background:linear-gradient(135deg,#7ad0ff,#46a6ff);padding:7px 15px;border-radius:var(--r-pill);box-shadow:0 8px 22px #46a6ff66}.fk-title{font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;line-height:1.02;margin:16px 0 0;font-size:clamp(2.3rem,1.5rem + 3.4vw,3.8rem);background:linear-gradient(96deg,#fff 30%,#bfe0ff 70%,#8df0d2);-webkit-background-clip:text;background-clip:text;color:transparent}.fk-lead{max-width:580px;margin:16px 0 0;font-size:clamp(1rem,.95rem + .35vw,1.16rem);line-height:1.6;color:#e2eeffeb}.fk-lead strong{color:#fff}.fk-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.fk-stat{display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:var(--r-pill);background:#ffffff1f;border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:.86rem;font-weight:600;color:#ffffffe6}.fk-stat b{font-family:var(--font-figure);font-weight:700;font-size:1.05rem;color:#fff}.fk-cards3d{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;width:clamp(330px,39vw,500px)}.fk-cards3d>.fk-c3d:nth-child(2n){margin-top:38px}.fk-c3d{position:relative;animation:fk-c3d-float var(--dur, 5.6s) var(--ease) infinite;animation-delay:var(--delay, 0s);will-change:transform}.fk-c3d-in{cursor:pointer;background:linear-gradient(180deg,#fff,#eef2f8);border:1px solid rgba(255,255,255,.7);border-radius:20px;padding:15px 16px 13px;box-shadow:0 1px #ffffffe6 inset,0 -12px 22px #0c22540f inset,0 24px 40px #020a2475,0 8px 16px #020a2447;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}.fk-c3d:hover{z-index:6}.fk-c3d:hover .fk-c3d-in{transform:translateY(-7px) scale(1.045);box-shadow:0 1px #ffffffe6 inset,0 34px 56px #020a2485,0 12px 22px #020a2452}.fk-c3d-k{display:block;font-family:var(--font-display);font-weight:700;font-size:.74rem;letter-spacing:.01em;color:#51617a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fk-c3d-v{display:block;font-family:var(--font-figure);font-weight:700;font-size:clamp(1.4rem,1.1rem + 1vw,1.85rem);line-height:1.12;letter-spacing:-.02em;color:#14b866;margin:1px 0 8px}.fk-c3d-spark{width:100%;height:auto;display:block}.fk-c3d-spark .g{stroke:#e6ecf4;stroke-width:1}.fk-c3d-spark .area{fill:#14be6921}.fk-c3d-spark .line{fill:none;stroke:#15c06a;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.fk-c3d-spark .dot{fill:#15c06a;stroke:#fff;stroke-width:1.6}.fk-c3d-spark .bar{fill:#18c06c}@keyframes fk-c3d-float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@media(prefers-reduced-motion:reduce){.fk-c3d{animation:none}}@media(max-width:760px){.fk-hero-in{grid-template-columns:1fr}.fk-cards3d{width:100%;gap:14px;margin-top:4px}.fk-cards3d>.fk-c3d:nth-child(2n){margin-top:0}}.fk-main{position:relative;z-index:4}.fk-cats{margin-top:calc(-1*clamp(46px,5vw,68px));display:flex;flex-direction:column;gap:clamp(30px,4vw,46px)}.fk-cat{--ca: #0064FE;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:0 16px 44px #0d2a501a;padding:clamp(20px,3vw,30px)}.fk-cat-head{display:flex;align-items:center;gap:14px}.fk-cat-ic{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;flex-shrink:0;font-size:1.6rem;background:color-mix(in srgb,var(--ca) 14%,#fff);border:1px solid color-mix(in srgb,var(--ca) 26%,var(--line))}.fk-cat-tt{flex:1;min-width:0}.fk-cat-title{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;font-size:clamp(1.3rem,1.1rem + 1vw,1.7rem);color:var(--ink);margin:0;display:flex;align-items:center;gap:11px;flex-wrap:wrap}.fk-cat-count{font-family:var(--font-figure);font-weight:700;font-size:.8rem;color:var(--ca);background:color-mix(in srgb,var(--ca) 10%,#fff);border:1px solid color-mix(in srgb,var(--ca) 20%,var(--line));padding:2px 10px;border-radius:var(--r-pill)}.fk-cat-intro{color:var(--ink-soft);font-size:.94rem;margin:5px 0 0}.fk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:15px;margin-top:20px}.fk-card{position:relative;overflow:hidden;background:var(--surface-2);border:1px solid var(--line);border-radius:18px;padding:18px 19px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s,background .25s}.fk-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--ca),color-mix(in srgb,var(--ca) 55%,#fff));transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}.fk-card:hover{transform:translateY(-4px);background:#fff;box-shadow:0 20px 44px #0d2a5024;border-color:color-mix(in srgb,var(--ca) 35%,var(--line))}.fk-card:hover:before{transform:scaleY(1)}.fk-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.fk-id{display:flex;align-items:center;gap:11px;min-width:0}.fk-badge{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;flex-shrink:0;font-size:1.2rem;background:color-mix(in srgb,var(--ca) 14%,#fff);border:1px solid color-mix(in srgb,var(--ca) 24%,var(--line))}.fk-name{font-family:var(--font-display);font-weight:700;font-size:1.02rem;letter-spacing:-.01em;color:var(--ink);line-height:1.2}.fk-daumen{flex-shrink:0;display:inline-flex;align-items:center;gap:5px;font-family:var(--font-display);font-weight:700;font-size:.72rem;color:#13693c;background:var(--positive-bg);border:1px solid #B5E3C6;padding:4px 10px;border-radius:var(--r-pill);white-space:nowrap}.fk-formula{font-family:var(--font-figure);font-weight:600;font-size:.82rem;color:var(--blue-800);background:#fff;border:1px solid var(--line);border-left:3px solid var(--ca);border-radius:8px;padding:7px 12px;margin:12px 0 11px}.fk-formula:before{content:"= ";color:var(--ink-mute)}.fk-erkl{font-size:.92rem;line-height:1.55;color:var(--ink-soft);margin:0}.fk-falle{display:flex;gap:8px;font-size:.84rem;line-height:1.45;color:#9e1118;background:var(--red-bg);border-radius:10px;padding:9px 12px;margin-top:12px}.fk-falle b{color:#7d0e15}.fk-falle .ic{flex-shrink:0}.fk-band{margin-top:clamp(40px,5vw,64px);background:linear-gradient(165deg,#052b66,#04132f);color:#fff;padding:clamp(40px,5vw,66px) 0;position:relative;overflow:hidden}.fk-band:after{content:"";position:absolute;inset:0;opacity:.4;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1.4px);background-size:26px 26px;-webkit-mask-image:radial-gradient(circle at 50% 0%,#000,transparent 70%);mask-image:radial-gradient(circle at 50% 0%,#000,transparent 70%)}.fk-band .wrap{position:relative;z-index:2}.fk-band-head{text-align:center;max-width:640px;margin:0 auto clamp(24px,3vw,34px)}.fk-band-eyebrow{font-family:var(--font-display);font-weight:800;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:#7ad0ff}.fk-band-head h2{color:#fff;margin-top:8px}.fk-band-head p{color:#d6e6ffd9;margin-top:10px}.fk-raster{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.fk-step{position:relative;background:#ffffff12;border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px 20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:transform .22s var(--ease),background .22s}.fk-step:hover{transform:translateY(-4px);background:#ffffff1c}.fk-step-n{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;font-family:var(--font-display);font-weight:800;font-size:1.3rem;color:#04132f;background:linear-gradient(135deg,#8df0d2,#46a6ff);box-shadow:0 8px 20px #46a6ff66}.fk-step h3{color:#fff;font-size:1.12rem;margin:14px 0 6px}.fk-step p{color:#cee0f7db;font-size:.88rem;line-height:1.5;margin:0}.fk-step b{color:#8df0d2}.fk-rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:16px}.fk-rule{background:#ffffff0f;border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:18px 20px}.fk-rule .e{font-size:1.5rem;line-height:1}.fk-rule b{display:block;color:#fff;font-family:var(--font-display);font-weight:700;font-size:1rem;margin:10px 0 4px}.fk-rule p{color:#cee0f7d6;font-size:.87rem;line-height:1.5;margin:0}.fk-sec{padding:clamp(40px,5vw,60px) 0 0}.fk-sec-head{text-align:center;max-width:620px;margin:0 auto clamp(22px,3vw,30px)}.fk-sec-eyebrow{font-family:var(--font-display);font-weight:800;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-600)}.fk-sec-head h2{margin-top:8px}.fk-sec-head p{color:var(--ink-soft);margin-top:10px}.fk-foot{padding-bottom:clamp(50px,6vw,80px)}.fk-foot .footnote{margin-top:22px}.fk-game{max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 20px 50px #0d2a5024;padding:clamp(20px,3vw,30px)}.fk-game-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}.fk-game-round{font-family:var(--font-display);font-weight:700;font-size:.8rem;color:var(--ink-mute);white-space:nowrap}.fk-game-bar{flex:1;height:7px;border-radius:999px;background:var(--line-soft);overflow:hidden}.fk-game-bar>span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#46a6ff,#0064fe);transition:width .4s var(--ease)}.fk-game-pts{font-family:var(--font-figure);font-weight:700;font-size:.9rem;color:#0064fe;background:var(--blue-50);border:1px solid var(--blue-100);padding:3px 11px;border-radius:999px;white-space:nowrap}.fk-game-co{border-radius:18px;padding:18px;background:linear-gradient(160deg,#052b66,#0a1f44);color:#fff;margin-bottom:18px}.fk-game-co.final{background:linear-gradient(160deg,#0a3a8c,#0a1f44);box-shadow:inset 0 0 0 1px #8df0d252}.fk-game-co-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:13px}.fk-game-co-name{font-family:var(--font-display);font-weight:800;font-size:1.2rem}.fk-game-co-branch{font-size:.8rem;color:#cee0f7cc}.fk-game-chips{display:flex;flex-wrap:wrap;gap:8px}.fk-game-chip{display:inline-flex;flex-direction:column;gap:1px;background:#ffffff1a;border:1px solid rgba(255,255,255,.16);border-radius:11px;padding:6px 11px}.fk-game-chip .k{font-size:.66rem;color:#cee0f7d1;text-transform:uppercase;letter-spacing:.04em;font-weight:600}.fk-game-chip .v{font-family:var(--font-figure);font-weight:700;font-size:.96rem;color:#fff}.fk-game-q{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--ink);margin:0 0 14px}.fk-game-opts{display:grid;gap:10px}.fk-game-opts.n3{grid-template-columns:1fr 1fr 1fr}@media(max-width:480px){.fk-game-opts.n3{grid-template-columns:1fr}}.fk-game-opt{padding:14px 16px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface-2);color:var(--ink);font-family:var(--font-display);font-weight:700;font-size:.96rem;cursor:pointer;transition:transform .15s var(--ease),background .18s,border-color .18s,color .18s}.fk-game-opt:not(:disabled):hover{border-color:var(--blue-600);background:var(--blue-50);transform:translateY(-1px)}.fk-game-opt.correct{border-color:#19c8a6;background:var(--positive-bg);color:#0e5630}.fk-game-opt.wrong{border-color:#ff6b6b;background:var(--red-bg);color:#9e1118}.fk-game-opt.dim{opacity:.5}.fk-game-opt:disabled{cursor:default}.fk-game-fb{margin-top:16px;padding:16px;border-radius:14px;animation:fk-fade .3s ease}.fk-game-fb.good{background:var(--positive-bg);border:1px solid #B5E3C6}.fk-game-fb.bad{background:#fff5f5;border:1px solid #F7B7BA}.fk-game-fb strong{font-family:var(--font-display);font-size:1rem}.fk-game-fb.good strong{color:#0e5630}.fk-game-fb.bad strong{color:#9e1118}.fk-game-fb p{font-size:.9rem;line-height:1.55;color:var(--ink-soft);margin:6px 0 14px}@keyframes fk-fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.fk-game-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:700;font-size:.92rem;padding:11px 20px;border-radius:999px;border:none;cursor:pointer;transition:transform .15s var(--ease),background .2s}.fk-game-btn.primary{background:#0064fe;color:#fff;box-shadow:0 8px 20px #0064fe4d}.fk-game-btn.primary:hover{background:var(--blue-700);transform:translateY(-1px)}.fk-game-result{text-align:center;padding:14px 6px}.fk-game-emo{font-size:3.4rem;line-height:1}.fk-game-score{font-family:var(--font-figure);margin:10px 0 4px}.fk-game-score b{font-size:3rem;font-weight:700;color:#0064fe}.fk-game-score span{font-size:1.2rem;color:var(--ink-mute);margin-left:6px}.fk-game-result h3{margin:8px 0 6px}.fk-game-result p{color:var(--ink-soft);max-width:42ch;margin:0 auto 20px;font-size:.94rem;line-height:1.55}