:root{--blue:#1769e0;--blue-dark:#123b69;--sky:#dff4ff;--yellow:#ffd84d;--orange:#ff8a3d;--green:#2dbd73;--purple:#8059d9;--ink:#18324d;--paper:#fffef8;--line:#c6dded;--shadow:#9bbdd3;--radius:24px;--font:"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5fbff;color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;overflow-x:hidden}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:12px;top:-80px;z-index:99;background:#fff;padding:10px 16px;border:3px solid var(--blue);border-radius:12px;color:var(--blue-dark)}.skip-link:focus{top:12px}.site-header{height:76px;padding:10px clamp(16px,4vw,56px);display:flex;align-items:center;gap:28px;background:rgba(255,254,248,.96);border-bottom:2px solid #dbeaf4;position:sticky;top:0;z-index:40;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:10px;border:0;background:none;color:var(--blue-dark);font-weight:900;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--yellow);border:3px solid var(--blue-dark);box-shadow:3px 3px 0 var(--blue-dark);font-size:24px}.main-nav{margin-left:auto;display:flex;gap:6px}.nav-btn{min-height:44px;padding:8px 13px;border:2px solid transparent;border-radius:14px;background:transparent;color:#49627b;font-weight:700}.nav-btn:hover{background:#eaf5fc}.nav-btn.active{background:var(--blue);color:#fff}.sound-toggle{width:44px;height:44px;border:2px solid var(--line);border-radius:50%;background:white;display:grid;place-items:center}.sound-toggle svg{width:22px;fill:var(--blue-dark)}.sound-toggle[aria-pressed="true"]{background:var(--yellow);border-color:var(--blue-dark)}button:focus-visible,input:focus-visible{outline:4px solid #ffbf00;outline-offset:3px}.page{display:none;min-height:calc(100vh - 76px)}.page.active{display:block;animation:page-in .35s ease-out}.home-page{position:relative;padding:clamp(48px,7vw,90px) clamp(24px,8vw,120px);background:linear-gradient(#dff4ff 0 70%,#bde88f 70% 74%,#8fd067 74%);overflow:hidden;isolation:isolate}.sky{position:absolute;inset:0;z-index:-2;background:linear-gradient(180deg,#d9f3ff 0%,#f9fdff 74%)}.sky:after{content:"";position:absolute;left:0;right:0;bottom:0;height:28%;background:repeating-linear-gradient(90deg,transparent 0 70px,rgba(23,105,224,.05) 70px 72px),linear-gradient(#eaf8d7,#bde88f)}.cloud{position:absolute;width:150px;height:44px;border-radius:50px;background:#fff;opacity:.9;filter:drop-shadow(0 8px 0 rgba(84,151,190,.1));animation:cloud 18s linear infinite}.cloud:before,.cloud:after{content:"";position:absolute;border-radius:50%;background:inherit}.cloud:before{width:65px;height:65px;left:25px;bottom:0}.cloud:after{width:85px;height:85px;right:18px;bottom:0}.cloud-a{left:-160px;top:18%}.cloud-b{left:55%;top:8%;transform:scale(.65);animation-duration:26s;animation-delay:-10s}.hero-copy{max-width:620px;position:relative;z-index:2}.eyebrow{margin:0 0 10px;color:var(--blue);font-size:.9rem;letter-spacing:.16em;font-weight:900}.hero-copy h1,.lesson-heading h2{margin:0;color:var(--blue-dark);font-weight:900;line-height:1.08;letter-spacing:-.04em}.hero-copy h1{font-size:clamp(3.1rem,7vw,6.8rem)}.hero-copy h1 span{color:var(--blue);position:relative}.hero-copy h1 span:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:14px;background:var(--yellow);z-index:-1;transform:rotate(-1deg)}.hero-lead{font-size:clamp(1.1rem,2vw,1.45rem);font-weight:700;margin:24px 0}.primary-btn,.secondary-btn{min-height:50px;border-radius:16px;padding:12px 22px;font-weight:900;border:3px solid var(--blue-dark);transition:transform .18s ease,box-shadow .18s ease,background .18s}.primary-btn{background:var(--orange);color:#182d40;box-shadow:5px 5px 0 var(--blue-dark)}.primary-btn:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--blue-dark)}.primary-btn:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--blue-dark)}.secondary-btn{background:#fff;color:var(--blue-dark);box-shadow:4px 4px 0 var(--line)}.hero-btn{font-size:1.15rem;padding:14px 28px;animation:breathe 2.4s ease-in-out infinite}.hero-note{color:#486177;font-size:.9rem;margin:16px 0}.hero-lab{position:absolute;right:6vw;top:50%;transform:translateY(-48%) rotate(2deg);width:min(38vw,540px);height:440px;background:var(--paper);border:4px solid var(--blue-dark);border-radius:34px;box-shadow:14px 16px 0 rgba(18,59,105,.2);padding:48px 34px 38px}.hero-lab:before{content:"数据操作台";position:absolute;top:14px;left:24px;font-weight:900;color:var(--blue-dark)}.mini-columns{height:280px;display:flex;align-items:flex-end;gap:18px;border-bottom:4px solid var(--blue-dark);padding:0 16px}.mini-columns div{flex:1;height:var(--h);border:3px solid var(--blue-dark);border-bottom:0;border-radius:18px 18px 0 0;background:repeating-linear-gradient(0deg,#ffcd4c 0 22px,#ffd963 22px 44px);position:relative;animation:soft-bob 3s ease-in-out infinite}.mini-columns div:nth-child(2){background:repeating-linear-gradient(0deg,#8bd5ff 0 22px,#a9e0ff 22px 44px)}.mini-columns div:nth-child(3){background:repeating-linear-gradient(0deg,#c1a5ff 0 22px,#d3c0ff 22px 44px)}.mini-columns div:nth-child(4){background:repeating-linear-gradient(0deg,#7ce1a6 0 22px,#9aebbb 22px 44px)}.mini-columns b{position:absolute;top:-35px;width:100%;text-align:center;font-size:20px}.average-ruler{position:absolute;left:24px;right:24px;bottom:165px;border-top:4px dashed var(--orange);z-index:3}.average-ruler span{background:var(--orange);border:2px solid var(--blue-dark);padding:3px 10px;border-radius:12px;position:absolute;right:0;top:-18px;font-weight:900}.lab-sticker{position:absolute;bottom:24px;right:28px;background:var(--yellow);border:3px solid var(--blue-dark);border-radius:16px;padding:9px 16px;transform:rotate(-3deg);font-weight:900}.lab-sticker strong{font-size:28px}.floating-numbers i{position:absolute;font-style:normal;font-weight:900;color:rgba(23,105,224,.18);font-size:32px;animation:float 5s ease-in-out infinite}.floating-numbers i:nth-child(1){left:4%;top:20%}.floating-numbers i:nth-child(2){left:46%;top:12%;animation-delay:-1s}.floating-numbers i:nth-child(3){left:49%;bottom:16%;animation-delay:-2s}.floating-numbers i:nth-child(4){right:3%;top:16%;animation-delay:-3s}.floating-numbers i:nth-child(5){right:42%;top:45%;animation-delay:-4s}
.lesson-page{padding:clamp(28px,5vw,64px) clamp(18px,6vw,88px) 80px;background-color:#f7fcff;background-image:linear-gradient(rgba(23,105,224,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,105,224,.045) 1px,transparent 1px);background-size:28px 28px}.lesson-heading{max-width:1280px;margin:0 auto 32px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.lesson-heading h2{font-size:clamp(2rem,4vw,3.8rem)}.lesson-heading p:last-child{margin:8px 0 0;font-weight:600;color:#516a80}.mission{flex:0 0 auto;background:var(--yellow);border:3px solid var(--blue-dark);border-radius:18px;padding:10px 18px;box-shadow:5px 5px 0 var(--blue-dark);transform:rotate(1deg)}.mission span{display:block;font-size:.78rem;font-weight:900;color:#5c4b00}.mission strong{display:block}.balance-layout,.chart-layout,.life-layout{max-width:1280px;margin:auto;display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:28px}.children-board{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.child-card{min-height:380px;padding:20px 12px 16px;border:3px solid var(--blue-dark);border-radius:24px;background:white;box-shadow:6px 7px 0 var(--shadow);display:flex;flex-direction:column;align-items:center;transition:.2s}.child-card.drop-target{background:#fff7c7;transform:translateY(-4px)}.avatar{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:var(--avatar);border:3px solid var(--blue-dark);font-size:30px;font-weight:900}.child-name{font-weight:900;margin:8px}.ball-count{display:flex;align-items:baseline;gap:4px;margin-bottom:8px}.ball-count strong{font-size:32px}.ball-zone{flex:1;width:100%;display:flex;flex-wrap:wrap;align-content:flex-start;justify-content:center;gap:8px;padding:12px;border-radius:18px;background:#edf7fd;border:2px dashed #a9c9df}.ball{width:34px;height:34px;border-radius:50%;border:3px solid var(--blue-dark);background:radial-gradient(circle at 35% 30%,#fff6ad 0 12%,var(--ball-color,#ffcc35) 14% 64%,#e99c16 66%);box-shadow:0 4px 0 #b7720d;touch-action:none;cursor:grab}.ball:active{cursor:grabbing}.ball.selected{outline:5px solid var(--orange);outline-offset:3px}.result-panel{display:flex;flex-direction:column;gap:18px}.ai-card,.formula-card,.change-result,.score-card,.score-result{border:3px solid var(--blue-dark);border-radius:24px;background:white;box-shadow:6px 7px 0 var(--shadow)}.ai-card{padding:18px;display:flex;gap:14px;align-items:center;background:#eee8ff}.ai-card span{font-size:.83rem;font-weight:900;color:var(--purple)}.ai-card p{margin:2px 0;font-weight:700}.bot-face{width:58px;height:52px;flex:0 0 auto;background:white;border:3px solid var(--blue-dark);border-radius:18px;display:flex;align-items:center;justify-content:center;gap:10px;position:relative}.bot-face:before{content:"";position:absolute;width:3px;height:11px;background:var(--blue-dark);top:-12px}.bot-face:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--yellow);border:2px solid var(--blue-dark);top:-20px}.bot-face i{width:8px;height:10px;background:var(--blue);border-radius:50%;animation:blink 4s infinite}.formula-card{padding:24px;background:#fff7cb;text-align:center}.formula-card span{display:block}.formula-card strong{font-size:clamp(1.35rem,2.5vw,2rem);display:block;margin-top:6px}.success-banner{max-width:1280px;margin:34px auto 0;background:#d9f8e5;border:3px solid var(--blue-dark);border-radius:24px;padding:18px 22px;box-shadow:6px 7px 0 var(--green);align-items:center;gap:16px}.success-banner:not([hidden]){display:flex}.success-banner strong{font-size:1.35rem}.success-banner span{flex:1}.confetti{pointer-events:none;position:fixed;inset:76px 0 0;z-index:30;overflow:hidden}.confetti i{position:absolute;top:-20px;width:12px;height:20px;background:var(--c);animation:confetti 1.8s ease-in forwards}
.chart-card{height:520px;position:relative;padding:42px 28px 44px 64px;border:3px solid var(--blue-dark);border-radius:24px;background:white;box-shadow:7px 8px 0 var(--shadow)}.chart-scale{position:absolute;left:16px;top:34px;bottom:44px;display:flex;flex-direction:column;justify-content:space-between;font-size:.8rem;color:#587084}.bars{height:100%;display:flex;align-items:flex-end;gap:clamp(10px,3vw,34px);border-left:3px solid var(--blue-dark);border-bottom:3px solid var(--blue-dark);padding:0 clamp(10px,2vw,24px)}.bar-wrap{height:100%;flex:1;display:flex;align-items:center;justify-content:flex-end;flex-direction:column;position:relative}.bar{width:min(76px,90%);height:var(--height);min-height:4px;background:var(--bar-color);border:3px solid var(--blue-dark);border-bottom:0;border-radius:16px 16px 0 0;position:relative;touch-action:none;cursor:ns-resize;transition:height .12s linear}.bar-value{position:absolute;top:-38px;left:50%;transform:translateX(-50%);font-size:1.15rem;font-weight:900;background:white;border:2px solid var(--blue-dark);border-radius:10px;padding:1px 8px}.bar-name{position:absolute;top:100%;margin-top:9px;font-weight:900}.chart-average-line{position:absolute;z-index:4;left:62px;right:22px;bottom:calc(44px + var(--average,60) * 4.3px);border-top:4px dashed var(--orange);pointer-events:none;transition:bottom .25s ease}.chart-average-line span{position:absolute;right:0;top:-18px;background:var(--orange);border:2px solid var(--blue-dark);border-radius:10px;padding:2px 8px;font-weight:900;font-size:.8rem}.change-result{padding:28px;display:flex;flex-direction:column;align-items:center;text-align:center;background:#fffef8}.change-result>p{margin:0;font-weight:900}.change-result>strong{font-size:clamp(5rem,10vw,8rem);line-height:1;color:var(--blue);font-variant-numeric:tabular-nums}.change-result>span{font-weight:900}.change-result .ai-card{margin:24px 0;text-align:left;width:100%}.change-result .primary-btn{margin-top:auto}
.score-card{padding:24px}.score-fields{display:grid;gap:12px}.score-field{display:grid;grid-template-columns:74px 1fr 44px;align-items:center;gap:10px}.score-field label{font-weight:900}.score-field input{min-height:48px;width:100%;border:3px solid #b8cee0;border-radius:14px;padding:7px 12px;font-weight:900;font-size:1.1rem;background:#f9fcff}.score-field input:focus{border-color:var(--blue)}.score-card .primary-btn{width:100%;margin-top:16px}.form-error{min-height:26px;color:#b42318;font-weight:800;margin:10px 0 0}.score-result{min-height:410px;padding:28px;display:grid;place-items:center;text-align:center;background:#e8f6ff}.score-result p{max-width:430px;font-weight:700}.score-result.completed{display:block;background:#e7f9ed;animation:result-pop .35s ease-out}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}.result-stats div{background:white;border:2px solid var(--blue-dark);border-radius:16px;padding:12px}.result-stats span{display:block;font-size:.8rem}.result-stats strong{display:block;font-size:clamp(1.6rem,4vw,2.7rem);color:var(--blue)}.analysis-box{background:#eee8ff;border:2px solid var(--purple);border-radius:18px;padding:16px;text-align:left}.analysis-box strong{color:var(--purple)}.analysis-box p{margin:4px 0}.rope-figure{width:120px;height:120px;border:4px dashed var(--orange);border-radius:50%;position:relative}.rope-figure span{position:absolute;left:42px;top:22px;width:34px;height:64px;border:4px solid var(--blue-dark);border-radius:18px 18px 12px 12px}.page-actions{max-width:1280px;margin:34px auto 0;text-align:center}
.centered{justify-content:center;text-align:center}.discovery-grid{max-width:1100px;margin:30px auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.discovery-grid article{position:relative;padding:24px;border:3px solid var(--blue-dark);border-radius:24px;background:white;box-shadow:7px 8px 0 var(--shadow)}.discovery-grid article:nth-child(2){box-shadow:7px 8px 0 var(--green)}.discovery-grid article:nth-child(3){box-shadow:7px 8px 0 var(--purple)}.discovery-grid article>span{position:absolute;top:14px;right:18px;font-weight:900;color:#8aa0b5}.discovery-grid h3{font-size:1.35rem;margin:16px 0 4px}.discovery-grid p{margin:0}.discovery-visual{height:130px;display:flex;align-items:flex-end;justify-content:center;gap:12px}.discovery-visual i{display:block;background:var(--yellow);border:3px solid var(--blue-dark)}.move i{width:40px;border-radius:50%}.move i:nth-child(1){height:40px}.move i:nth-child(2){height:70px;border-radius:20px}.move i:nth-child(3){height:100px;border-radius:20px}.level i{width:46px;height:70px;border-radius:14px 14px 0 0;background:var(--green)}.ripple{align-items:center}.ripple i{border-radius:50%;background:transparent;position:absolute}.ripple i:nth-child(1){width:40px;height:40px}.ripple i:nth-child(2){width:80px;height:80px;border-color:var(--purple)}.ripple i:nth-child(3){width:120px;height:120px;border-color:#b9a6e8}.certificate{width:min(560px,90%);margin:38px auto 0;text-align:center;background:var(--yellow);border:3px solid var(--blue-dark);box-shadow:8px 9px 0 var(--blue-dark);border-radius:22px;padding:18px;transform:rotate(-1deg)}.certificate span{display:block;font-size:.8rem;letter-spacing:.16em;font-weight:900}.certificate strong{font-size:clamp(1.7rem,5vw,2.7rem)}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,30px);opacity:0;background:var(--blue-dark);color:white;padding:10px 18px;border-radius:14px;z-index:80;font-weight:800;transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}
@keyframes page-in{from{opacity:0;transform:translateY(10px)}}@keyframes cloud{to{left:110%}}@keyframes float{50%{transform:translateY(-18px) rotate(7deg)}}@keyframes breathe{50%{transform:translateY(-3px);box-shadow:7px 9px 0 var(--blue-dark)}}@keyframes soft-bob{50%{filter:brightness(1.05)}}@keyframes blink{0%,45%,50%,100%{transform:scaleY(1)}47%{transform:scaleY(.12)}}@keyframes confetti{to{transform:translate(var(--dx),105vh) rotate(720deg)}}@keyframes result-pop{from{transform:scale(.96);opacity:.5}}
@media(max-width:980px){.site-header{height:auto;min-height:70px;flex-wrap:wrap;gap:8px;padding:8px 16px}.brand{flex:1}.main-nav{order:3;width:100%;overflow-x:auto;margin:0;padding-bottom:2px}.nav-btn{flex:1;white-space:nowrap;font-size:.86rem}.page{min-height:calc(100vh - 120px)}.home-page{padding-top:42px;padding-bottom:520px}.hero-lab{top:auto;bottom:55px;left:50%;right:auto;transform:translateX(-50%) rotate(1deg);width:min(88vw,540px)}.balance-layout,.chart-layout,.life-layout{grid-template-columns:1fr}.children-board{grid-template-columns:repeat(2,1fr)}.change-result{min-height:360px}.discovery-grid{grid-template-columns:1fr}.discovery-grid article{display:grid;grid-template-columns:150px 1fr;align-items:center}.discovery-visual{grid-row:1/3}.discovery-grid h3{align-self:end}.discovery-grid p{align-self:start}}
@media(max-width:560px){body{font-size:15px}.brand span:last-child{font-size:.9rem}.brand-mark{width:40px;height:40px}.sound-toggle{width:40px;height:40px}.main-nav{margin-inline:-8px}.nav-btn{min-width:92px}.home-page{padding-inline:18px;padding-bottom:410px}.hero-copy h1{font-size:3rem}.hero-lead br{display:none}.hero-lab{height:330px;padding:40px 18px 24px}.mini-columns{height:210px;gap:8px}.average-ruler{bottom:120px}.lab-sticker{bottom:12px}.lesson-page{padding-inline:14px}.lesson-heading{align-items:flex-start;flex-direction:column}.mission{align-self:flex-start}.children-board{grid-template-columns:1fr 1fr;gap:8px}.child-card{min-height:300px;padding:12px 7px}.avatar{width:54px;height:54px;font-size:22px}.ball{width:29px;height:29px}.balance-layout,.chart-layout,.life-layout{gap:18px}.chart-card{height:420px;padding-left:48px;padding-right:10px}.chart-average-line{left:46px;bottom:calc(44px + var(--average,60) * 3.3px)}.bars{gap:7px;padding:0 5px}.bar{width:90%}.bar-name{font-size:.8rem}.bar-value{font-size:.85rem;padding-inline:5px}.success-banner:not([hidden]){flex-direction:column;align-items:flex-start}.discovery-grid article{display:block}.result-stats{grid-template-columns:1fr}.score-field{grid-template-columns:62px 1fr 36px}}
button{touch-action:manipulation}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.hero-btn{animation:none}}