:root{--pri:#e8862a;--pri2:#f4c08f;--pri3:#fbe6d2;--bg:#fff4e6;--acc:#c6463a;--ink:#3a2a22;--card:rgba(255,255,255,.78);--r:22px;--sh:0 10px 30px -12px rgba(60,30,10,.25);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;min-height:100%}
body{background:var(--bg);color:var(--ink);transition:background .8s,color .8s;overflow-x:hidden;padding-bottom:90px}
#deco{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.dc{position:absolute;animation:float 12s ease-in-out infinite;transition:fill .8s}
@keyframes float{0%,100%{transform:translateY(0) rotate(-8deg)}50%{transform:translateY(-26px) rotate(10deg)}}
.blob{position:fixed;width:520px;height:520px;border-radius:50%;filter:blur(70px);opacity:.35;z-index:0;pointer-events:none;background:var(--pri2);transition:background 1s;animation:drift 18s ease-in-out infinite alternate}
#blob1{top:-180px;right:-160px}#blob2{bottom:-220px;left:-200px;background:var(--pri3);animation-delay:-9s}
@keyframes drift{to{transform:translate(60px,40px) scale(1.15)}}
header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--bg) 70%,transparent)}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-size:20px;letter-spacing:1px}.logo-cat{width:38px;height:38px;display:block}.logo-cat svg{width:100%;height:100%}
#nav{display:none;gap:4px}#nav a,#tabs a{color:var(--ink);text-decoration:none;opacity:.65;transition:.25s}#nav a{padding:8px 14px;border-radius:99px}#nav a.on{opacity:1;background:var(--pri3);color:var(--pri);font-weight:600}
#tabs{position:fixed;bottom:0;left:0;right:0;z-index:30;display:flex;justify-content:space-around;padding:8px 6px calc(8px + env(safe-area-inset-bottom));background:color-mix(in srgb,#fff 82%,transparent);backdrop-filter:blur(16px);border-top:1px solid rgba(0,0,0,.05)}
#tabs a{display:flex;flex-direction:column;align-items:center;font-size:11px;gap:2px;padding:4px 10px;border-radius:14px}#tabs a i{font-style:normal;font-size:21px;transition:transform .3s cubic-bezier(.3,1.6,.5,1)}#tabs a.on{opacity:1;color:var(--pri)}#tabs a.on i{transform:translateY(-3px) scale(1.18)}
main{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:8px 16px 30px}
.page{animation:pagein .5s cubic-bezier(.2,.8,.2,1)}@keyframes pagein{from{opacity:0;transform:translateY(18px)}}
.card{background:var(--card);backdrop-filter:blur(12px);border-radius:var(--r);padding:18px;box-shadow:var(--sh);border:1px solid rgba(255,255,255,.7);margin-bottom:16px;transition:transform .3s,box-shadow .3s}
.card.hov:hover{transform:translateY(-3px);box-shadow:0 18px 40px -16px rgba(60,30,10,.35)}
h1{font-size:26px;margin:10px 0 14px}h2{font-size:18px;margin:0 0 12px;display:flex;align-items:center;gap:8px}h2 .pawi{width:18px;height:18px;fill:var(--pri)}
.grid{display:grid;gap:16px}@media(min-width:860px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:1.2fr 1fr}}
.btn{appearance:none;border:0;border-radius:99px;padding:12px 20px;font-size:15px;font-weight:600;cursor:pointer;background:var(--pri);color:#fff;box-shadow:0 8px 18px -8px var(--pri);transition:transform .15s,filter .2s,background .8s;position:relative;overflow:hidden;font-family:inherit}
.btn:active{transform:scale(.95)}.btn:hover{filter:brightness(1.06)}.btn.ghost{background:var(--pri3);color:var(--pri);box-shadow:none}.btn.sm{padding:7px 13px;font-size:13px}.btn.wide{width:100%}.btn.red{background:#e0524a}.btn[disabled]{opacity:.6;pointer-events:none}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.55);transform:scale(0);animation:rip .6s ease-out;pointer-events:none}@keyframes rip{to{transform:scale(4);opacity:0}}
label{display:block;font-size:13px;opacity:.75;margin:12px 0 6px}input,select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border-radius:14px;border:1.5px solid rgba(0,0,0,.08);background:rgba(255,255,255,.9);color:var(--ink);outline:none;transition:border .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 4px var(--pri3)}.row{display:flex;gap:10px;align-items:center}.row>*{flex:1}.muted{opacity:.6;font-size:13px}.err{color:#d2453b;font-size:13px;min-height:18px;margin-top:8px}
.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:8px 14px;border-radius:99px;background:rgba(255,255,255,.8);border:1.5px solid transparent;cursor:pointer;font-size:14px;transition:.2s;user-select:none}.chip.on{border-color:var(--pri);background:var(--pri3);color:var(--pri);font-weight:600}
.swatch{width:34px;height:34px;border-radius:50%;cursor:pointer;border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.15);transition:transform .2s}.swatch.on{transform:scale(1.2);box-shadow:0 0 0 3px var(--pri)}
/* hero */
.hero{display:flex;align-items:center;gap:14px;position:relative;overflow:hidden}.hero .catsvg{width:150px;height:150px;flex:none;filter:drop-shadow(0 10px 14px rgba(0,0,0,.15))}
.catsvg .tail{transform-origin:140px 170px;animation:wag 2.6s ease-in-out infinite}@keyframes wag{0%,100%{transform:rotate(0)}50%{transform:rotate(-12deg)}}
.catsvg .eyes{transform-origin:100px 90px;animation:blink 5s infinite}@keyframes blink{0%,92%,100%{transform:scaleY(1)}95%{transform:scaleY(.1)}}
.catsvg .head{transform-origin:100px 130px;animation:bob 4s ease-in-out infinite}@keyframes bob{50%{transform:rotate(3deg)}}
.catsvg:hover .head{animation:nuzzle .6s}@keyframes nuzzle{30%{transform:rotate(-8deg)}70%{transform:rotate(6deg)}}
.catsw{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none}.catsw .ci{flex:none;width:84px;text-align:center;cursor:pointer;padding:6px;border-radius:18px;transition:.25s;font-size:13px}
.catsw .ci svg{width:64px;height:64px}.catsw .ci.on{background:var(--card);box-shadow:var(--sh);transform:translateY(-2px)}.catsw .add{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;border:2px dashed var(--pri2);font-size:28px;color:var(--pri);margin:0 auto}
/* ring */
.ringw{position:relative;width:200px;height:200px;margin:0 auto}.ringw svg{transform:rotate(-90deg)}.ringw circle{fill:none;stroke-width:16;stroke-linecap:round}.ringw .bgc{stroke:var(--pri3)}.ringw .fg{stroke:var(--pri);transition:stroke-dashoffset 1.4s cubic-bezier(.2,.9,.2,1),stroke .8s}
.ringw .mid{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.ringw .big{font-size:36px;font-weight:800;color:var(--pri)}.ringw.over .fg{stroke:#e0524a}
.stat{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;margin-top:12px}.stat b{display:block;font-size:20px}.stat div{background:rgba(255,255,255,.6);border-radius:14px;padding:10px 4px;font-size:12px}
.formula{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;background:var(--pri3);padding:10px 12px;border-radius:12px;line-height:1.6;word-break:break-all}
.list .it{display:flex;align-items:center;gap:10px;padding:11px 4px;border-bottom:1px dashed rgba(0,0,0,.08);animation:pagein .4s}.list .it:last-child{border:0}.list .it .t{flex:1;min-width:0}.list .it .t div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.x{border:0;background:none;font-size:18px;cursor:pointer;opacity:.4;padding:4px 8px;color:var(--ink)}.x:hover{opacity:1;color:#d2453b}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:99px;background:#eee;margin-left:4px;vertical-align:middle}.tag.v{background:#dff3e3;color:#2e7d43}.tag.e{background:#fff1d6;color:#a26a00}.tag.c{background:#e6ecff;color:#3a56b0}
.food{cursor:pointer;border-radius:14px;padding:12px;transition:.2s}.food:hover{background:var(--pri3)}.food .k{font-weight:800;color:var(--pri);white-space:nowrap}
.adv{padding:12px 14px;border-radius:14px;margin-bottom:8px;font-size:14px;line-height:1.6;animation:pagein .5s backwards}.adv.good{background:#e3f5e7}.adv.warn{background:#fde6e3}.adv.info{background:rgba(255,255,255,.7)}.adv.tip{background:var(--pri3)}
.disc{font-size:12px;opacity:.6;border-left:3px solid var(--pri2);padding-left:10px;margin-top:10px}
.chart{width:100%;height:auto;overflow:visible}.chart .ln{fill:none;stroke:var(--pri);stroke-width:3;stroke-linejoin:round;stroke-dasharray:2000;stroke-dashoffset:2000;animation:draw 1.8s ease forwards}@keyframes draw{to{stroke-dashoffset:0}}
.chart .bar{fill:var(--pri2);transform-origin:bottom;transform-box:fill-box;animation:grow .8s backwards}@keyframes grow{from{transform:scaleY(0)}}.chart text{font-size:10px;fill:var(--ink);opacity:.6}.chart .dot{fill:#fff;stroke:var(--pri);stroke-width:2.5}
.post{animation:pagein .5s backwards}.post .hd{display:flex;align-items:center;gap:10px}.post .hd svg{width:42px;height:42px}.post .body{white-space:pre-wrap;line-height:1.7;margin:10px 0}.post img.pic{width:100%;max-height:420px;object-fit:cover;border-radius:16px}
.post .act{display:flex;gap:16px;font-size:14px}.post .act button{border:0;background:none;cursor:pointer;font:inherit;color:var(--ink);opacity:.7;display:flex;gap:4px;align-items:center}.liked{color:#e0524a!important;opacity:1!important}.liked i{animation:pop .45s}
@keyframes pop{50%{transform:scale(1.6)}}.comments{margin-top:10px;font-size:14px}.comments .cm{padding:6px 0;border-top:1px dashed rgba(0,0,0,.08)}
.modal{position:fixed;inset:0;z-index:50;background:rgba(20,10,5,.35);backdrop-filter:blur(4px);display:none;align-items:flex-end;justify-content:center}.modal.on{display:flex;animation:fade .25s}@keyframes fade{from{opacity:0}}
.sheet{background:var(--bg);width:100%;max-width:560px;max-height:88vh;overflow:auto;border-radius:26px 26px 0 0;padding:20px 18px calc(24px + env(safe-area-inset-bottom));animation:up .4s cubic-bezier(.2,.9,.2,1)}@keyframes up{from{transform:translateY(100%)}}
@media(min-width:700px){.modal{align-items:center}.sheet{border-radius:26px}}
#toast{position:fixed;left:50%;top:18px;transform:translate(-50%,-80px);z-index:60;background:var(--ink);color:#fff;padding:10px 18px;border-radius:99px;font-size:14px;transition:transform .35s cubic-bezier(.3,1.5,.5,1);pointer-events:none}#toast.on{transform:translate(-50%,0)}
.pawtrail{position:fixed;width:22px;height:22px;pointer-events:none;z-index:70;fill:var(--pri);animation:pawfade 1s forwards}@keyframes pawfade{from{opacity:.7;transform:scale(.4) rotate(var(--r))}to{opacity:0;transform:scale(1.1) rotate(var(--r)) translateY(-14px)}}
.confetti{position:fixed;top:-20px;z-index:80;pointer-events:none;font-size:22px;animation:fall 2.4s linear forwards}@keyframes fall{to{transform:translateY(110vh) rotate(540deg)}}
.auth{max-width:420px;margin:20px auto}.auth .hero{justify-content:center;flex-direction:column;text-align:center}.auth .hero .catsvg{width:170px;height:170px}
.tabsx{display:flex;background:rgba(255,255,255,.6);border-radius:99px;padding:4px;margin-bottom:6px}.tabsx button{flex:1;border:0;background:none;padding:10px;border-radius:99px;font:inherit;cursor:pointer;color:var(--ink);transition:.25s}.tabsx button.on{background:#fff;color:var(--pri);font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.human{display:flex;align-items:center;gap:10px;padding:12px;border-radius:14px;background:rgba(255,255,255,.7);font-size:14px;margin-top:12px}.human .bx{width:22px;height:22px;border-radius:6px;border:2px solid var(--pri2);display:grid;place-items:center;color:#fff;transition:.3s}.human.ok .bx{background:#3aa55d;border-color:#3aa55d}.human.run .bx{border-top-color:var(--pri);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.landing{display:grid;gap:20px;align-items:center}@media(min-width:860px){.landing{grid-template-columns:1.1fr 1fr;min-height:70vh}#nav{display:flex}#tabs{display:none}body{padding-bottom:20px}}
.bigtitle{font-size:clamp(34px,6vw,58px);line-height:1.12;margin:0;letter-spacing:1px}.bigtitle em{font-style:normal;color:var(--pri);position:relative}.feat{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.feat div{background:var(--card);border-radius:16px;padding:12px;font-size:14px}
.catparade{display:flex;flex-wrap:wrap;justify-content:center;gap:4px}.catparade svg{width:96px;height:96px;animation:hop 3s ease-in-out infinite}.catparade svg:nth-child(odd){animation-delay:-1.5s}@keyframes hop{50%{transform:translateY(-10px)}}
.empty{text-align:center;padding:30px 10px}.empty .catsvg{width:140px;height:140px}
.seg{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 10px}.fab{position:fixed;right:20px;bottom:calc(86px + env(safe-area-inset-bottom));z-index:25;width:58px;height:58px;border-radius:50%;font-size:28px;padding:0}@media(min-width:860px){.fab{bottom:30px}}
.btn{white-space:nowrap}.pvsvg{width:150px;height:150px}@media(min-width:860px){.pvcard{position:sticky;top:70px;align-self:start}.pvsvg{width:240px;height:240px}}
.tag.rg{background:#e8eefc;color:#2f4fa8;font-weight:600}.tag.rx{background:#fde3e1;color:#b8322a;font-weight:600}