:root{--ink:#263653;--muted:#637087;--blue:#2865cf;--line:#dfe6ee;--paper:#fffdf9;--shadow:0 6px 0 #2636530b;font-family:'Leelawadee UI',Tahoma,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}button:disabled{cursor:default;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #714bc5;outline-offset:5px}header{height:98px;display:flex;align-items:center;justify-content:space-between;max-width:1220px;margin:auto;padding:0 32px;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:bold;font-size:21px;white-space:nowrap}.brand b{color:var(--blue)}.brand small{display:block;font-size:12px;font-weight:normal;margin-top:5px}.brand-icon{display:grid;place-items:center;background:#ffdf6e;color:#79560e;border-radius:17px;width:46px;height:46px;font-size:36px;transform:rotate(-8deg)}nav{display:flex;gap:12px}nav a{padding:12px 18px;border-radius:14px;color:var(--muted);font-size:15px}nav a.active{color:var(--blue);background:#edf3ff;font-weight:bold}.profile{display:flex;align-items:center;gap:18px;font-weight:bold;font-size:15px}.avatar{width:42px;height:42px;display:grid;place-items:center;background:#e4ecfb;border:3px solid white;border-radius:50%;color:var(--blue)}main{max-width:1156px;margin:auto;min-height:calc(100vh - 192px);padding:36px 0 24px}main:focus{outline:none}.hero{display:grid;grid-template-columns:1.1fr 1fr;min-height:470px;background:#edf5ff;border:1px solid #e1ebf7;border-radius:32px;overflow:hidden;position:relative}.hero-copy{padding:42px 0 34px 48px;z-index:1}.pill{display:inline-block;background:white;border:1px solid #dce7f4;padding:9px 15px;border-radius:24px;font-size:13px;color:#486587}.hero h1{font-size:48px;line-height:1.4;letter-spacing:-1.7px;margin:19px 0 9px}.hero h1 span{color:var(--blue)}.hero h1 em{font-style:normal;position:relative;white-space:nowrap}.hero h1 em:after{content:'';position:absolute;height:8px;bottom:-2px;left:0;right:0;background:#ffd568;border-radius:50%}.hero p{font-size:15px;line-height:1.85;color:#5a6d88;margin:12px 0 20px}.hero .tagline{font-size:20px;font-weight:bold;color:#364f73;margin-bottom:12px}.tagline i{color:#e8b73f;margin:0 6px}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;background:var(--blue);color:white;border:1px solid transparent;border-radius:15px;padding:16px 24px;min-height:54px;font-weight:bold;box-shadow:0 4px 0 #194c9f;transition:transform .2s,background .2s}.button:hover{background:#1f56b5;transform:translateY(-2px)}.button:active{transform:translateY(2px);box-shadow:none}.primary-cta{min-width:240px;font-size:19px}.primary-cta span{margin-left:24px}.secondary{background:#f3f6fb;color:#365781;border-color:#dae2ed;box-shadow:0 3px 0 #e2e7ef}.secondary:hover{background:#e4edfb}.hero-note{display:flex;gap:22px;font-size:11px;color:#596f8f;margin-top:26px}.continue{display:block;margin-top:20px;color:var(--blue);font-size:14px}.hero-art{position:relative;align-self:stretch;background:radial-gradient(ellipse at center,#dcecfb 0 51%,transparent 51%);margin:30px 25px 30px 0}.mascot{position:absolute;left:25%;top:28%;width:205px;height:230px;transform:rotate(-5deg)}.ear{position:absolute;top:-20px;background:#f8c061;width:68px;height:94px;border:5px solid #ba793b;border-radius:18px 60px 12px 12px}.ear:after{content:'';position:absolute;inset:13px;background:#efa78e;border-radius:12px 50px 5px 5px}.ear.left{left:5px;transform:rotate(-17deg)}.ear.right{right:5px;transform:rotate(17deg) scaleX(-1)}.face{position:absolute;top:13px;left:0;width:205px;height:166px;border:5px solid #ba793b;background:#ffce77;border-radius:43% 43% 46% 46%;z-index:2}.eyes{text-align:center;font-size:27px;padding-top:48px;color:#6b4934;letter-spacing:9px;padding-left:10px}.cheeks{display:flex;align-items:center;justify-content:center;gap:13px;margin-top:6px}.cheeks span{width:29px;height:15px;border-radius:50%;background:#ef9b79}.cheeks b{font-size:36px;line-height:30px;color:#6b4934}.cat-body{position:absolute;bottom:0;width:155px;height:130px;background:#f6bc62;border:5px solid #ba793b;border-radius:50%;left:25px}.book{position:absolute;left:21%;top:65%;width:244px;height:99px;background:#4774d6;transform:rotate(-5deg);border-radius:8px 8px 20px 20px;border:5px solid #35569c;display:flex;justify-content:space-around;align-items:center;color:#ffe392;z-index:3;box-shadow:0 8px 0 #cbdcf0}.book:after{content:'';height:100%;width:3px;background:#35569c;position:absolute;left:50%}.book b{font-size:20px;background:#4774d6;z-index:1;padding:6px}.letter-tile{position:absolute;border-radius:20px;font-weight:bold;font-size:54px;display:grid;place-items:center;box-shadow:0 7px 0 #0000000b;width:89px;height:94px}.tile-a{top:18%;left:7%;background:#fff0ba;color:#ad7927;transform:rotate(-15deg)}.tile-a span{display:none}.tile-b{top:37%;right:2%;background:#f7d9e4;color:#ac5983;transform:rotate(15deg)}.doodle{position:absolute;font-size:45px;color:#e3aa34}.star-one{top:9%;right:20%;transform:rotate(14deg)}.star-two{bottom:12%;right:8%;color:#4e9a88}.floating-star{position:absolute;top:60%;left:5%;font-size:37px;transform:rotate(-13deg)}.orbit-note{position:absolute;top:1%;left:19%;font-size:12px;background:#fff;padding:12px 17px;border-radius:14px;transform:rotate(4deg);color:#5e7698}.art-label{position:absolute;bottom:1%;left:26%;font-size:10px;letter-spacing:2px;color:#58789f}.section-title{display:flex;align-items:end;justify-content:space-between;margin:35px 0 20px;gap:15px}.eyebrow{display:block;letter-spacing:2px;font-size:10px;color:#67809b;font-weight:bold}.section-title h2{font-size:23px;margin:9px 0 0}.section-title a{font-size:13px;color:var(--blue)}.subject-grid,.mission-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.subject-card,.mission-card{position:relative;text-align:left;padding:25px 23px 20px;border:1px solid var(--line);border-radius:23px;background:white;box-shadow:var(--shadow);transition:transform .2s}.subject-card:hover,.mission-card:hover{transform:translateY(-5px)}.subject-icon,.mission-icon{display:grid;place-items:center;width:54px;height:54px;background:#e8f0ff;border-radius:17px;font-size:30px;margin-bottom:20px}.pink .subject-icon,.pink .mission-icon{background:#fce8ef}.yellow .subject-icon,.yellow .mission-icon{background:#fff1c8}.mint .subject-icon,.mint .mission-icon{background:#e0f3ec}.status{position:absolute;right:18px;top:31px;font-size:10px;color:#657487;background:#f4f6f7;padding:6px 8px;border-radius:8px}.blue .status{background:#e7f5ed;color:#28734e}.subject-card h2{font-size:21px;margin:0 0 8px}.subject-card p,.mission-card p{font-size:12px;color:var(--muted);margin:0 0 22px}.card-link{border-top:1px solid #e9edf1;padding-top:16px;display:flex;justify-content:space-between;font-size:12px;color:#68788d}.blue .card-link{color:var(--blue)}.gentle-note{text-align:center;color:#7c826e;font-size:13px;margin-top:34px}footer{max-width:1156px;margin:auto;padding:20px 0 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:#748094;font-size:11px}.text-button{background:none;border:none;box-shadow:none;color:#5c7291;font-size:13px;padding:14px 8px;min-height:44px}.text-button:hover{color:var(--blue);background:#edf3fc}.page-heading{text-align:center;padding:24px 0 35px}.page-heading h1{font-size:34px;line-height:1.5;margin:14px 0 8px}.page-heading p{color:var(--muted);line-height:1.8}.progress-banner{display:flex;justify-content:space-between;background:#eef5ff;border-radius:16px;padding:20px 24px;margin-bottom:24px}.mission-card small{font-size:10px;letter-spacing:1px;color:#627692}.mission-card h2{font-size:19px;line-height:1.6;min-height:61px}.exam-banner{margin-top:30px;background:#fff5d6;border:1px solid #f1dfaa;border-radius:24px;display:flex;justify-content:space-between;align-items:center;padding:28px 35px;gap:20px}.exam-banner h2{margin:10px 0;font-size:27px}.exam-banner p,.exam-banner small{color:#756743;font-size:13px}.panel{border:1px solid var(--line);background:white;border-radius:28px;padding:35px;box-shadow:var(--shadow)}.intro{text-align:center;max-width:850px;margin:20px auto}.intro h1{font-size:30px}.intro p{color:var(--muted);line-height:1.9}.intro>.button{margin:10px}.big-icon{display:block;font-size:65px;margin:10px}.vowel-houses{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:30px 0}.vowel-houses>div{background:#f1f6fe;border-radius:15px;padding:15px;min-width:110px}.vowel-houses b{font-size:36px;color:var(--blue)}.vowel-houses p{font-size:12px}.game-top{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:14px}progress{width:100%;height:9px;border:none;border-radius:10px;overflow:hidden;accent-color:#5683d8;background:#e8edf5;margin:15px 0 25px}progress::-webkit-progress-bar{background:#e8edf5}progress::-webkit-progress-value{background:#5683d8;border-radius:10px}.question{max-width:780px;margin:auto;text-align:center;padding:28px 40px}.question h1{font-size:26px;line-height:1.6}.picture{font-size:88px;line-height:1.4}.picture img{width:140px;height:140px;object-fit:contain}.word{font-size:50px;font-weight:bold;letter-spacing:8px;color:#305690;margin:8px}.audio-actions{display:flex;justify-content:center;gap:12px;margin:14px}.audio-actions .button{padding:10px 18px;font-size:14px;min-height:46px}.choices{display:flex;justify-content:center;gap:16px;margin:26px 0 10px}.choice{flex:1;max-width:200px;min-height:78px;font-size:30px;font-weight:bold;border:2px solid #dce5f1;border-radius:18px;background:#f8faff;box-shadow:0 4px 0 #e4eaf3}.choice:hover,.choice.selected{border-color:var(--blue);background:#e5efff;color:#1b53ad}.letters{display:flex;justify-content:center;gap:18px;margin:35px 0}.letters span{font-size:42px;font-weight:bold;color:var(--blue)}.merge{animation:merge .65s ease-out;font-size:30px}.hint-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:15px 0;font-size:16px}.success{padding:15px;background:#ecf8ee;border-radius:15px;color:#28713f;animation:pop .3s}.success b{display:block;margin-top:8px}#feedback{margin:18px 0 8px;line-height:1.7}form{display:flex;align-items:center;flex-direction:column;gap:18px;margin-top:20px}form label{font-size:15px;color:var(--muted)}input{width:230px;max-width:100%;padding:12px;border:2px solid #c6d5eb;border-radius:14px;font-size:40px;text-transform:uppercase;text-align:center;letter-spacing:9px;color:#305690}.exam-controls{display:flex;justify-content:space-between;gap:16px;margin-top:25px}.quiet{color:var(--muted);font-size:12px;line-height:1.7}.exam-info{display:flex;justify-content:center;gap:25px;margin:30px 0}.reward{font-size:48px}.badge{padding:18px;background:#fff5d6;border-radius:15px;text-align:center;margin-bottom:20px}.score{font-size:80px;color:var(--blue);font-weight:bold}.score span{font-size:20px}.skill-results{max-width:530px;margin:25px auto}.skill-results>div{display:flex;justify-content:space-between;text-align:left;padding:17px;border-bottom:1px solid var(--line);gap:20px}.skill-results small{display:block;font-size:11px;color:var(--muted);margin:5px 0 0 26px}.actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:22px}.stats{display:flex;justify-content:space-around;gap:20px;text-align:center}.stats b{display:block;font-size:38px;color:var(--blue);margin:20px 0}.stats div{font-size:14px}dialog{border:1px solid var(--line);border-radius:25px;max-width:min(520px,90vw);padding:30px;color:var(--ink)}dialog::backdrop{background:#1f325377;backdrop-filter:blur(4px)}dialog p{line-height:1.9;color:var(--muted)}#notice{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);max-width:90vw;background:#263653;color:white;padding:16px 25px;border-radius:16px;z-index:10;opacity:0;pointer-events:none;transition:.2s;font-size:14px;line-height:1.7}#notice.show{opacity:1;transform:translate(-50%,0)}.skip{position:fixed;top:-100px;left:10px;z-index:20;background:white;padding:15px}.skip:focus{top:10px}@keyframes merge{from{letter-spacing:20px;opacity:.3}to{letter-spacing:0;opacity:1}}@keyframes pop{from{transform:scale(.93)}to{transform:scale(1)}}
.red .subject-icon,.red .mission-icon{background:#ffe7e3}.red .status{background:#fff0ed;color:#a74238}.red .card-link{color:#bd4439}.chinese-progress{background:#fff0ed}.chinese-exam-banner{background:#fff4d4;border-color:#f0d89d}.chinese-question{border-top:5px solid #d65348}.chinese-visual{font-size:92px;line-height:1.25;margin:10px auto}.chinese-word{display:flex;flex-direction:column;gap:4px;margin:8px 0 15px}.chinese-word b{font-size:42px;color:#b43c38}.chinese-word span{font-size:17px;color:#b46d42}.chinese-word small{font-size:14px;color:var(--muted)}.exam-pinyin{font-size:14px;color:#8d5a46;margin:12px}.distance-badge{display:inline-block;background:#fff1d0;border-radius:20px;padding:8px 16px;color:#8b6823;font-size:13px}.chinese-choice{font-size:26px}.source-note{margin:23px auto;padding:20px;max-width:500px;background:#fff8e2;border:1px dashed #e3c878;border-radius:16px;line-height:2;color:#735e33}.source-note small{font-size:12px;color:#88785a}.pending-panel{border-top:5px solid #e3b847}.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:540px;margin:28px auto}.match-grid>div{display:flex;flex-direction:column;gap:12px}.match-tile{min-height:62px;border:2px solid #e1e7ef;border-radius:15px;background:#f8faff;padding:12px;font-weight:bold;font-size:20px}.match-tile:hover,.match-tile.selected{border-color:#c84c41;background:#fff0ed}.match-tile.matched{border-color:#5ca57b;background:#ecf8ee;color:#28713f}.intro-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:20px}
@media(max-width:1220px){main,footer{margin-left:32px;margin-right:32px}.hero h1{font-size:42px}.hero-copy{padding-left:35px}.subject-card{padding:22px 17px}.status{right:12px;font-size:9px}.hero-art{margin-right:15px}.mascot{left:22%}.book{left:16%}}
@media(max-width:900px){header{padding:0 24px}.profile{gap:8px}nav{gap:2px}nav a{padding:12px}.hero{grid-template-columns:1.1fr 1fr}.hero h1{font-size:35px}.hero-art{transform:scale(.88);transform-origin:center}.hero-copy{padding:30px 0 30px 26px}.hero-note{gap:10px;font-size:10px}.subject-grid,.mission-grid{grid-template-columns:repeat(2,1fr)}.mission-card h2{min-height:0}.hero-art .mascot{left:10%}.hero-art .book{left:1%}.tile-a{left:-10%}.tile-b{right:-8%}.orbit-note{left:0%;white-space:nowrap}.art-label{left:7%;white-space:nowrap}.hero .tagline{font-size:17px}}
@media(max-width:600px){header{height:80px;padding:0 20px}.brand{font-size:19px}.brand-icon{width:40px;height:40px}.avatar{display:none}nav{position:fixed;bottom:0;left:0;right:0;height:74px;padding:7px 10px calc(7px + env(safe-area-inset-bottom));background:#fffefa;border-top:1px solid var(--line);z-index:5;justify-content:space-around}nav a{display:flex;flex-direction:column;text-align:center;gap:5px;flex:1;font-size:20px;padding:5px 8px}nav a span{font-size:11px}main{margin:0;padding:20px 18px 25px}footer{margin:0 18px 74px;flex-direction:column;gap:5px;padding:15px 0}.hero{display:flex;flex-direction:column;border-radius:25px}.hero-copy{padding:26px 24px 0}.hero h1{font-size:36px;letter-spacing:-1px}.hero p{font-size:13px}.hero .tagline{font-size:17px}.pill{font-size:11px}.hero-note{font-size:10px;gap:20px}.hero-art{height:300px;width:285px;align-self:center;margin:8px 0 12px;transform:scale(.88)}.hero-art .mascot{top:24%;left:18%;transform:scale(.85) rotate(-5deg);transform-origin:top center}.hero-art .book{top:65%;left:14%;width:220px;height:85px}.tile-a{left:-1%;top:15%;width:70px;height:76px;font-size:45px}.tile-b{right:-8%;top:30%;width:70px;height:76px;font-size:45px}.orbit-note{top:0;left:12%;font-size:10px}.art-label{bottom:-3%;left:17%}.floating-star{left:0}.subject-grid,.mission-grid{gap:12px}.subject-card{padding:18px 14px 15px;border-radius:19px}.subject-card h2{font-size:17px}.subject-card p{font-size:10px;line-height:1.6;min-height:17px}.subject-icon{width:44px;height:44px;font-size:26px;margin-bottom:33px}.status{left:14px;right:auto;top:69px;font-size:9px;padding:4px 7px}.card-link{font-size:10px;gap:5px}.section-title{margin-top:27px;align-items:center}.section-title h2{font-size:19px;line-height:1.6}.section-title a{font-size:11px;white-space:nowrap}.eyebrow{font-size:9px;letter-spacing:1.3px}.gentle-note{font-size:11px;line-height:1.8}.page-heading{padding:15px 0 25px}.page-heading h1{font-size:26px}.page-heading p{font-size:14px}.mission-card{padding:18px 14px}.mission-card h2{font-size:16px;min-height:51px}.mission-card small{font-size:9px}.mission-card p{font-size:11px}.exam-banner{padding:25px;flex-direction:column;align-items:stretch}.exam-banner h2{font-size:23px}.progress-banner{font-size:13px;padding:18px}.panel{padding:24px 16px;border-radius:22px}.intro h1{font-size:25px}.intro p{font-size:14px}.game-top{flex-wrap:wrap;gap:4px;font-size:12px}.game-top>.text-button{width:100%;text-align:left}.game-top>b{margin-left:auto}.question h1{font-size:21px}.picture{font-size:77px}.word{font-size:43px}.choice{font-size:22px;min-height:66px}.choices{gap:10px}.letters{gap:14px}.letters span{font-size:32px}.button{padding:14px 18px;font-size:15px}.audio-actions{margin:14px 0}.audio-actions .button{font-size:12px;padding:10px 13px}.exam-controls .button{padding:14px;font-size:14px}.stats{gap:12px;flex-wrap:wrap}.stats b{font-size:28px}.stats div{font-size:12px}.score{font-size:62px}.skill-results{font-size:14px}.exam-info{gap:15px;font-size:13px}#notice{bottom:90px;width:max-content;max-width:90vw}.hero-note{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.assessment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:stretch}.assessment-grid .exam-banner{margin-top:0;height:100%}.mini-challenge-card{background:#fff4d4;border-color:#f0d89d}.full-exam-locked{background:#f5f6f8;border-color:#dfe3e9;color:#647080}.full-exam-locked h2{color:#445167}.full-exam-locked p,.full-exam-locked small{color:#66758a}.locked-list{line-height:1.8}.lock-label{align-self:flex-start;white-space:nowrap;background:#e7ebf0;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:bold}.learn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.learn-card{border:1px solid #e4e9f0;border-radius:18px;padding:18px;background:#fbfcff}.learn-visual{min-height:130px;display:grid;place-items:center;font-size:72px}.learn-visual img{width:170px;height:135px;object-fit:contain}.learn-card .chinese-word{margin-bottom:14px}.learn-rule{font-size:13px}.matching-panel .big-icon{margin-bottom:0}.match-tile{display:flex;align-items:center;justify-content:center;gap:8px}.match-image{width:42px;height:42px;object-fit:contain}.chinese-progress-panel{border-top:5px solid #d65348}.chinese-progress-panel .stats{align-items:flex-start}@media(max-width:600px){.assessment-grid,.learn-grid{grid-template-columns:1fr}.lock-label{align-self:flex-start}.learn-visual{min-height:110px}.learn-visual img{width:150px;height:115px}.match-grid{gap:10px}.match-tile{font-size:17px;padding:10px 6px}}