.mouse-hero{padding:48px 0}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:44px;align-items:center}
.mouse-hero h1{font-size:clamp(3.2rem,5.5vw,5.8rem);line-height:.9;letter-spacing:-.06em;margin:12px 0 20px}.lead{font-size:1.16rem;line-height:1.65;color:#d8dde7}.wtf{margin:20px 0;padding:15px 17px;border-left:3px solid var(--cyan);background:rgba(86,215,255,.055);border-radius:0 12px 12px 0;font-weight:850}
.mouse-visual{min-height:380px;display:grid;place-items:center;position:relative}.mouse-body{width:250px;height:330px;background:linear-gradient(#e5dfd2,#bcb5aa);border:3px solid #918a80;border-radius:120px 120px 100px 100px;position:relative;box-shadow:0 35px 55px #0008}.mouse-split{position:absolute;top:0;left:50%;bottom:62%;width:2px;background:#918a80}.mouse-btn{position:absolute;top:30px;left:25px;right:25px;height:90px;border-bottom:2px solid #918a80}.mouse-cable{position:absolute;top:-95px;left:50%;width:6px;height:100px;background:#3a3a3a;border-radius:8px}.mouse-ball{position:absolute;bottom:45px;left:50%;transform:translateX(-50%);width:76px;height:76px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#d9c5a2,#7e6a50 60%,#493d30);box-shadow:inset 0 0 16px #0009}
.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.fact,.panel{background:var(--panel);border:1px solid var(--line);border-radius:19px;padding:20px}.fact strong{display:block;color:var(--gold);font-size:1.16rem}.fact small{color:var(--muted)}
.cleaner{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ballmouse{background:#10151d;border:1px solid var(--line);border-radius:24px;padding:25px}.underside{height:300px;background:#d4d0c6;border:2px solid #89867e;border-radius:90px;position:relative;overflow:hidden}.ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:130px;height:130px;border-radius:50%;border:12px solid #73736e;background:#aaa59b;display:grid;place-items:center;cursor:pointer}.ring.open{border-style:dashed}.ball{width:83px;height:83px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#c8b08d,#7e684f 58%,#40362b);cursor:pointer;transition:.25s}.ball.out{transform:translateY(-145px) scale(.8);opacity:.15}.rollers{display:none;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:145px;height:145px}.rollers.show{display:block}.roller{position:absolute;background:#555;border-radius:10px}.roller.r1{width:90px;height:18px;left:28px;top:14px}.roller.r2{width:18px;height:90px;right:14px;top:28px}.roller.dirty::after{content:"";position:absolute;inset:4px 18px;background:#342c23;border-radius:9px}.clean-btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.clean-status{margin-top:15px;font-weight:850;min-height:48px}
.cursor-game{height:330px;background:#e9edf4;color:#111;border:7px ridge #bbb;border-radius:12px;position:relative;overflow:hidden}.winbar{height:34px;background:#184b94;color:#fff;padding:7px 10px;font-weight:900}.target{position:absolute;width:58px;height:58px;border-radius:50%;background:#ff8a2a;display:grid;place-items:center;font-weight:950;cursor:pointer;box-shadow:0 8px 22px #0004}.scorebar{position:absolute;left:12px;bottom:10px;font-weight:900}
.timeline-mini{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.era{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:19px}.era strong{display:block;color:var(--cyan);font-size:1.35rem}
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.compare>div{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px}
.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.choice{padding:14px;border:1px solid var(--line);border-radius:12px;background:#202631;color:#fff;font-weight:900;cursor:pointer}.choice.good{outline:2px solid var(--green)}.choice.bad{outline:2px solid #ff6969}.quiz-result{min-height:44px;margin-top:14px;font-weight:850}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:16px 18px;margin:9px 0}.faq summary{font-weight:900;cursor:pointer}.sources{color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.sources a{color:#a9e8ff}
.next-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.next-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:19px;text-decoration:none}.next-card strong{display:block}.next-card small{color:var(--muted)}
@media(max-width:820px){.hero-grid,.cleaner,.compare,.timeline-mini{grid-template-columns:1fr}.fact-strip{grid-template-columns:1fr 1fr}.next-cards,.quiz-options{grid-template-columns:1fr}.mouse-hero h1{font-size:clamp(3rem,13vw,4.6rem)}}

.wheel-demo{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:center}.wheel-mouse{height:330px;border-radius:120px 120px 95px 95px;background:linear-gradient(#ded9ce,#aaa59c);border:3px solid #858078;display:grid;place-items:center;align-content:center;gap:45px;color:#333;font-weight:950}.wheel-slot{display:grid;gap:7px;place-items:center}.wheel-slot button{width:48px;height:34px;border:0;border-radius:8px;background:#333;color:#fff;cursor:pointer}.wheel{width:43px;height:68px;border-radius:22px;background:repeating-linear-gradient(0deg,#444 0 5px,#777 5px 8px);display:grid;place-items:center;color:#ddd;font-size:1.4rem;transition:.18s}.wheel.spin{transform:rotateX(35deg)}.scroll-window{height:330px;background:#e8edf4;color:#171717;border:6px ridge #aaa;border-radius:9px;overflow:hidden}.scroll-title{height:34px;background:#164b96;color:white;padding:7px 10px;font-weight:900}.scroll-viewport{height:285px;overflow-y:auto;scroll-behavior:smooth}.scroll-page{padding:18px;min-height:850px;background:linear-gradient(#fff,#e8eef7)}.scroll-page h3{margin-top:55px}.scroll-finish{margin-top:190px;font-size:1.5rem;font-weight:950}.demo-hint{text-align:center;color:var(--muted);font-size:.85rem}
.wireless-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.wireless-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px}.wireless-icon{font-size:2.5rem}.wireless-card>strong{color:var(--gold)}.ir-stage{height:90px;margin-top:15px;position:relative;display:flex;align-items:center;justify-content:space-between;font-size:2rem}.ir-stage i{position:absolute;left:50px;right:50px;height:3px;background:#ff4d4d;box-shadow:0 0 12px #ff3333}.blocker{position:absolute;left:50%;transform:translateX(-50%);font-size:2.6rem;display:none}.ir-stage.blocked i{opacity:.15}.ir-stage.blocked .blocker{display:block}.wireless-status{font-weight:900;text-align:center}.tech-note{margin-top:16px;padding:16px 18px;border-left:3px solid var(--cyan);background:rgba(86,215,255,.055);border-radius:0 12px 12px 0}
@media(max-width:820px){.wheel-demo,.wireless-grid{grid-template-columns:1fr}.wheel-mouse{height:250px}.scroll-window{height:300px}}