:root{--c:#5b3cc4;--c2:#ff7a45;--c3:#18b58f;--ink:#1d1b2e;--mute:#5d5a73;--bg:#faf8ff;--card:#fff;--line:#e7e3f5;--r:14px;--sh:0 6px 24px rgba(40,20,110,.08)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--c)}
a:hover{color:#3f24a0}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.3rem,2.6vw,1.7rem);margin:1.6em 0 .6em}
h3{font-size:1.15rem;margin:1.4em 0 .4em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-in{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:1.35rem;font-weight:800;letter-spacing:-.02em}
.logo b{color:var(--c)}
.logo.small{font-size:1.2rem;margin:0}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600}
.nav a:hover,.nav a[aria-current]{background:#f0ebff;color:var(--c)}
.menu-btn{display:none;margin-left:auto;font-size:1.5rem;background:none;border:0;cursor:pointer;padding:6px 10px}
@media (max-width:820px){.menu-btn{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px 16px;border-bottom:1px solid var(--line)}.nav.open{display:flex}}
.crumbs{font-size:.88rem;color:var(--mute);padding-top:14px}
.crumbs a{color:var(--mute);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.crumbs .sep{margin:0 4px}
.hero{background:linear-gradient(135deg,#efe9ff 0%,#fff3ec 100%);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding-top:44px;padding-bottom:44px}
@media (max-width:860px){.hero-in{grid-template-columns:1fr;gap:24px;padding-top:28px}}
.lead{font-size:1.12rem;color:var(--mute);max-width:70ch}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.btn{display:inline-block;background:var(--c);color:#fff;border:0;border-radius:12px;padding:12px 20px;font-weight:700;text-decoration:none;cursor:pointer;font-size:1rem}
.btn:hover{background:#4a2eb0;color:#fff}
.btn.ghost{background:#fff;color:var(--c);box-shadow:inset 0 0 0 2px var(--c)}
.btn.ghost:hover{background:#f0ebff}
.badges{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0}
.badges li{background:#fff;border:1px solid var(--line);border-radius:99px;padding:4px 12px;font-size:.88rem;color:var(--mute)}
.hero-daily{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--sh);text-decoration:none;display:block;aspect-ratio:3/2}
.hero-daily img{width:100%;height:100%;object-fit:cover}
.hero-daily span{position:absolute;left:12px;bottom:12px;background:rgba(20,10,60,.75);color:#fff;padding:6px 12px;border-radius:10px;font-weight:600}
.block{margin:40px 0}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.block-head h2{margin:0 0 14px}
.block-head h2 a{color:inherit;text-decoration:none}
.more{font-weight:600;text-decoration:none;white-space:nowrap}
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.card a{display:block;background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);text-decoration:none;color:var(--ink);transition:transform .15s}
.card a:hover{transform:translateY(-3px)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card span{display:block;padding:10px 12px;font-weight:600;font-size:.95rem}
.games,.posts{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.games a,.posts a{display:flex;flex-direction:column;gap:4px;height:100%;background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--sh);text-decoration:none;color:var(--ink);border:1px solid transparent}
.games a:hover,.posts a:hover{border-color:var(--c)}
.games span:not(.g-icon),.posts span{color:var(--mute);font-size:.93rem}
.posts small{color:var(--mute);margin-top:auto;padding-top:6px}
.g-icon{font-size:2rem;line-height:1}
.page-head{padding:18px 0 8px}
.page-head.compact{padding-bottom:0}
.page-head.compact p{margin:.2em 0 1em;color:var(--mute)}
.page-head.error{text-align:center;padding:60px 20px}.page-head.error .cta{justify-content:center}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips a{background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 14px;text-decoration:none;font-weight:600}
.chips a:hover{border-color:var(--c)}
.prose{max-width:780px}
.prose p,.prose li{font-size:1.04rem}
.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:#f3effe}
.prose blockquote{margin:1em 0;padding:12px 18px;border-left:4px solid var(--c2);background:#fff6f1;border-radius:0 10px 10px 0}
.prose .tip{background:#eafaf5;border-left:4px solid var(--c3);padding:12px 18px;border-radius:0 10px 10px 0}
.prose img{border-radius:12px}
.article{max-width:820px}
.article .meta{color:var(--mute);font-size:.92rem}
.article-img{border-radius:16px;margin:10px 0 24px;aspect-ratio:16/9;object-fit:cover;width:100%}
.toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 20px;margin:1em 0}
.toc p{margin:0 0 6px;font-weight:700}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 16px;margin:8px 0}
.faq summary{font-weight:700;cursor:pointer}
.guide-link{font-weight:600}
.credit{font-size:.82rem;color:var(--mute);margin:8px 0 0}
.credits td{font-size:.88rem}
.site-footer{background:#1d1b2e;color:#cfcbe6;margin-top:60px;padding:40px 0 20px}
.site-footer a{color:#fff;text-decoration:none;display:block;padding:3px 0}
.site-footer a:hover{text-decoration:underline}
.site-footer .logo{color:#fff}
.site-footer .logo b{color:#b9a6ff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.f-title{font-weight:700;color:#fff;margin:0 0 8px}
.copy{font-size:.85rem;margin-top:24px;opacity:.7}
/* Jigsaw */
.jigsaw{position:relative;background:#2a2640;border-radius:16px;overflow:hidden;box-shadow:var(--sh)}
.jigsaw:fullscreen{border-radius:0;display:flex;flex-direction:column}
.jz-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 12px;background:#221f36;color:#e8e4ff;font-size:.92rem}
.jz-bar select,.jz-bar button,.game-bar select,.game-bar button{font:inherit;border:0;border-radius:9px;padding:7px 12px;background:#3b3560;color:#fff;cursor:pointer}
.jz-bar button[aria-pressed=true]{background:var(--c2)}
.jz-bar button:hover{background:#4d4680}
.jz-bar label{display:flex;gap:6px;align-items:center}
.jz-stats{margin-left:auto;font-variant-numeric:tabular-nums}
.jz-canvas{display:block;width:100%;height:min(76vh,760px);touch-action:none;cursor:grab}
.jigsaw:fullscreen .jz-canvas{height:auto;flex:1}
.jz-win{position:absolute;inset:auto 0 0 0;margin:auto;top:0;height:fit-content;max-width:360px;background:#fff;border-radius:16px;padding:24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.jz-win-title{font-size:1.8rem;font-weight:800;margin:0;color:var(--c)}
.photo-pick{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:0 0 16px}
.hint{color:var(--mute);font-size:.9rem}
/* Games */
.game{background:#fff;border-radius:16px;box-shadow:var(--sh);padding:16px;min-height:420px}
.game-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.game-bar select,.game-bar button{background:#efeaff;color:var(--ink)}
.game-bar button.primary{background:var(--c);color:#fff}
.game-bar .stats{margin-left:auto;font-variant-numeric:tabular-nums;color:var(--mute);font-weight:600}
.game-msg{min-height:1.6em;font-weight:700;color:var(--c3);text-align:center}
.game canvas{display:block;margin:0 auto;max-width:100%;touch-action:none}
.taquin{display:grid;gap:6px;max-width:min(480px,100%);aspect-ratio:1;margin:0 auto;background:#2a2640;padding:6px;border-radius:14px}
.tq-tile{border:0;border-radius:10px;background:linear-gradient(145deg,#7a5ce0,#5b3cc4);color:#fff;font-weight:800;font-size:clamp(1.1rem,5vw,2rem);cursor:pointer;position:relative;aspect-ratio:1;transition:transform .08s}
.tq-tile:active{transform:scale(.96)}
.tq-img{background-color:#444}
.tq-img small{position:absolute;left:5px;top:3px;font-size:.7rem;background:rgba(0,0,0,.45);border-radius:5px;padding:0 4px}
.tq-empty{border-radius:10px;background:#221f36}
.hanoi{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;height:300px}
.peg{position:relative;border:0;background:#f4f1ff;border-radius:14px;cursor:pointer;overflow:hidden}
.peg.sel{background:#e6ddff;box-shadow:inset 0 0 0 3px var(--c)}
.rod{position:absolute;left:50%;bottom:10px;width:8px;height:240px;transform:translateX(-50%);background:#8c84b0;border-radius:4px}
.peg::after{content:"";position:absolute;left:6%;right:6%;bottom:4px;height:8px;background:#8c84b0;border-radius:4px}
.disk{position:absolute;left:50%;height:22px;transform:translateX(-50%);border-radius:11px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.18);transition:bottom .15s}
.disk.up{bottom:252px!important}
.memory{display:grid;grid-template-columns:repeat(var(--cols,4),1fr);gap:8px;max-width:720px;margin:0 auto}
@media (max-width:560px){.memory{grid-template-columns:repeat(4,1fr)}}
.mcard{position:relative;aspect-ratio:1;border:0;padding:0;border-radius:12px;cursor:pointer;background:none;perspective:600px}
.mcard .back,.mcard .front{position:absolute;inset:0;border-radius:12px;backface-visibility:hidden;transition:transform .35s;width:100%;height:100%}
.mcard .back{background:linear-gradient(135deg,#5b3cc4,#ff7a45)}
.mcard .back::after{content:"?";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:1.6rem;font-weight:800}
.mcard .front{object-fit:cover;transform:rotateY(180deg)}
.mcard.on .back{transform:rotateY(180deg)}
.mcard.on .front{transform:rotateY(360deg)}
.mcard.ok .front{box-shadow:0 0 0 3px var(--c3)}
.tg-canvas{width:100%;height:min(70vh,560px);display:block;border-radius:12px;touch-action:none}