:root{--sky:#dff7f3;--mint:#63cfae;--mint-dark:#21896f;--ink:#173f3a;--cream:#fffdf5;--sun:#ffd75e;--coral:#ff825f;--coral-dark:#de5d40;--line:#d9eadf;--shadow:0 22px 60px rgba(24,84,70,.14)}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{color:var(--ink);font-family:var(--font-body),"PingFang SC",sans-serif;background:var(--sky)}button,input{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button{color:inherit}.forest-shell{min-height:100dvh;position:relative;overflow:hidden;background:radial-gradient(circle at 80% 10%,rgba(255,255,255,.9) 0 5%,transparent 5.2%),linear-gradient(180deg,#caeff4,#e7f8ef 62%,#bce4b6)}.forest-decor{position:fixed;inset:0;pointer-events:none;overflow:hidden}.cloud{position:absolute;width:110px;height:28px;border-radius:50px;background:rgba(255,255,255,.75);filter:blur(.2px)}.cloud:after,.cloud:before{content:"";position:absolute;background:inherit;border-radius:50%}.cloud:before{width:42px;height:42px;left:21px;top:-18px}.cloud:after{width:54px;height:54px;right:15px;top:-27px}.c1{left:7%;top:12%;transform:scale(.85)}.c2{right:6%;top:20%;transform:scale(.62);opacity:.8}.leaf{position:absolute;font-size:28px;animation:floatLeaf 7s ease-in-out infinite}.l1{left:5%;top:34%}.l2{right:8%;top:12%;animation-delay:-2s}.tree{position:absolute;bottom:7%;font-size:clamp(70px,10vw,140px);filter:saturate(.8)}.t1{left:-1.5%;transform:rotate(-4deg)}.t2{right:-1%;transform:rotate(4deg)}.hill{position:absolute;border-radius:50% 50% 0 0;bottom:-14%;height:31%;width:65%;background:#90cf8d}.h1{left:-15%;transform:rotate(4deg)}.h2{right:-20%;background:#79bd77;transform:rotate(-5deg)}@keyframes floatLeaf{50%{transform:translateY(18px) rotate(25deg)}}.welcome{display:grid;place-items:center;padding:32px 18px}.device-card,.home-card,.result-card,.welcome-card{position:relative;z-index:2;width:min(520px,100%);border:2px solid rgba(255,255,255,.85);border-radius:36px;background:rgba(255,253,245,.94);box-shadow:var(--shadow);padding:42px;text-align:center;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand-mark{position:relative;width:96px;height:96px;margin:-4px auto 18px;border:4px solid white;border-radius:50%;background:var(--mint);display:grid;place-items:center;box-shadow:0 10px 24px rgba(58,166,132,.28)}.brand-mark img{width:100%;height:100%;border-radius:50%;object-fit:cover}.brand-mark svg{position:absolute;color:var(--sun);fill:var(--sun);width:25px;right:-7px;top:-8px;transform:rotate(18deg)}.eyebrow{margin:0 0 8px;color:var(--mint-dark);font-weight:900;letter-spacing:.16em;font-size:13px;text-transform:uppercase}.device-card h1,.home-card h1,.result-card h1,.welcome-card h1{font-family:var(--font-display),sans-serif;font-weight:400;margin:0;color:#194c43}.welcome-card h1{font-family:var(--font-body),"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(31px,6vw,46px);font-weight:900;line-height:1.25;letter-spacing:-.02em}.welcome-copy{margin:14px auto 26px;max-width:370px;line-height:1.8;color:#55736d;font-size:15px}.login-form{display:grid;gap:15px;text-align:left}.admin-login label,.login-form>label{display:grid;gap:7px;color:#3f625b;font-size:14px;font-weight:800}.admin-login input,.login-form input:not([type=checkbox]){width:100%;height:54px;border:2px solid #d9e9df;border-radius:16px;padding:0 16px;background:white;outline:none;color:var(--ink);transition:.2s}.admin-login input:focus,.login-form input:focus{border-color:var(--mint);box-shadow:0 0 0 4px rgba(99,207,174,.16)}.consent{grid-template-columns:22px 1fr;align-items:start;line-height:1.55;font-weight:600!important;font-size:12px!important;color:#698078!important}.consent input{width:19px;height:19px;accent-color:var(--mint-dark);margin:1px 0}.primary-button,.secondary-button{min-height:56px;border:0;border-radius:18px;padding:0 24px;display:flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;font-weight:900;transition:transform .15s,box-shadow .15s}.primary-button{color:white;background:var(--coral);box-shadow:0 7px 0 var(--coral-dark),0 14px 24px rgba(255,130,95,.23);margin-top:6px}.primary-button:hover{transform:translateY(-2px)}.primary-button:active{transform:translateY(5px);box-shadow:0 2px 0 var(--coral-dark)}.primary-button:disabled{opacity:.65;cursor:wait}.remember-note{display:flex;align-items:center;justify-content:center;gap:6px;margin:22px 0 0;color:#789087;font-size:11px}.remember-note svg{width:15px}.teacher-entry{display:inline-block;margin-top:15px;color:#6c877f;font-size:12px}.form-error{margin:0;color:#c75538;background:#fff1e9;border-radius:12px;padding:10px 12px;font-size:13px}.home-card{width:min(650px,100%);text-align:left}.home-top{display:grid;grid-template-columns:48px minmax(0,1fr) 48px;align-items:center;margin-bottom:26px}.home-greeting{grid-column:2;text-align:center}.home-top .icon-button{grid-column:3}.home-top h1{font-family:var(--font-body),"PingFang SC","Microsoft YaHei",sans-serif;font-size:34px;font-weight:900;line-height:1.3;letter-spacing:-.02em}.icon-button{width:48px;height:48px;border:0;background:#e9f6ef;color:#3f7769;border-radius:16px;display:grid;place-items:center;cursor:pointer}.icon-button svg{width:21px}.map-card{padding:28px;background:linear-gradient(140deg,#effbf5,#fff8dc);border:2px solid white;border-radius:28px;text-align:center;box-shadow:inset 0 0 0 1px #dbece3}.map-path{display:flex;align-items:center;margin-bottom:24px}.map-stop{width:54px;height:54px;display:grid;place-items:center;background:white;border:3px solid #cfe6d9;border-radius:50%;font-size:25px;box-shadow:0 5px 12px rgba(57,111,94,.1)}.map-stop.active{border-color:var(--mint);background:#ddf8ed}.map-path i{flex:1 1;height:4px;background:repeating-linear-gradient(90deg,#b7d9c8 0 8px,transparent 8px 13px)}.map-card h2{margin:0;font-size:23px}.map-card p{color:#688179;line-height:1.7;margin:10px auto 0;max-width:480px}.resume-progress{height:8px;border-radius:20px;background:#dcece3;overflow:hidden;margin-top:18px}.resume-progress span{display:block;height:100%;background:var(--mint)}.giant{width:100%;min-height:64px;margin-top:22px;font-size:17px}.home-tips{display:flex;justify-content:center;gap:22px;color:#688179;font-size:12px;margin-top:24px}.device-card p:not(.eyebrow){line-height:1.8;color:#668078}.device-illustration{font-size:72px;filter:drop-shadow(0 12px 12px rgba(29,95,78,.16));margin-bottom:18px}.device-card h1{font-size:35px}.device-card .primary-button{margin-left:auto;margin-right:auto}.secondary-button{width:100%;border:2px solid var(--mint);background:#e8faf3;color:var(--mint-dark);margin:22px 0 8px}.check-ok{color:var(--mint-dark);font-weight:900;display:flex;justify-content:center;gap:7px;margin:14px}.back-link{border:0;background:none;color:#668078;display:flex;gap:6px;align-items:center;cursor:pointer;margin:-12px 0 20px}.back-link svg{width:18px}.game-wrap{position:relative;z-index:2;width:min(860px,calc(100% - 28px));margin:0 auto;padding:18px 0 36px}.game-header{height:52px;display:grid;grid-template-columns:52px 1fr 52px;align-items:center}.icon-button.quiet{background:rgba(255,255,255,.68)}.level-label{justify-self:center;display:flex;align-items:center;gap:6px;font-weight:900;font-size:14px;color:#376e62;background:rgba(255,255,255,.7);padding:8px 16px;border-radius:30px}.question-count{justify-self:end;font-size:19px;font-weight:900}.question-count span{color:#79928a;font-size:12px}.star-progress{display:grid;grid-template-columns:repeat(20,1fr);gap:3px;padding:13px 4px 18px}.star-progress span{color:rgba(51,105,91,.2)}.star-progress svg{width:100%;height:auto;fill:currentColor}.star-progress .done{color:var(--sun);filter:drop-shadow(0 2px 2px rgba(174,128,0,.16))}.star-progress .current{color:var(--coral);animation:pulseStar 1.2s infinite}@keyframes pulseStar{50%{transform:scale(1.35) rotate(8deg)}}.question-card{position:relative;min-height:min(680px,calc(100dvh - 125px));overflow:hidden;border-radius:38px;border:3px solid rgba(255,255,255,.86);background:rgba(255,253,245,.96);box-shadow:var(--shadow);padding:clamp(24px,5vw,46px);text-align:center;display:flex;flex-direction:column;align-items:center}.question-card:before{content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;background-image:radial-gradient(#9ad8c2 1px,transparent 1.5px);background-size:25px 25px;-webkit-mask-image:linear-gradient(180deg,black,transparent 50%);mask-image:linear-gradient(180deg,black,transparent 50%)}.question-card>*{position:relative;z-index:1}.mode-hint{color:#628179;font-weight:800;font-size:14px;margin-bottom:8px}.word-emoji{font-size:clamp(70px,13vw,108px);line-height:1.1;margin:12px 0 4px;filter:drop-shadow(0 12px 8px rgba(41,89,75,.13))}.hero-word{font-family:var(--font-body);font-size:clamp(66px,13vw,116px);line-height:1;margin:4px 0 8px;color:#174b41;letter-spacing:.015em;font-weight:900}.hero-word.no-image{margin-top:clamp(65px,10vh,105px);font-size:clamp(82px,16vw,138px)}.word-meaning{font-size:18px;margin:0 0 20px;color:#668078;font-weight:700}.sound-button{border:0;background:#eef8f2;color:#397869;border-radius:999px;padding:10px 18px;display:flex;align-items:center;gap:7px;font-weight:800;cursor:pointer}.sound-button svg{width:18px}.mic-button{margin-top:auto;width:min(330px,92%);border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:12px;font-weight:900;color:#42756a;cursor:pointer}.mic-ring{width:94px;height:94px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:white;box-shadow:0 0 0 10px #ffe8df,0 0 0 18px #fff4ee,0 14px 26px rgba(225,87,53,.27)}.mic-ring svg{width:38px;height:38px}.recording .mic-ring{animation:recording 1s ease-in-out infinite}@keyframes recording{50%{box-shadow:0 0 0 18px #ffd8ca,0 0 0 30px rgba(255,230,220,.45),0 14px 26px rgba(225,87,53,.27);transform:scale(1.04)}}.big-sound{margin:18px 0 24px;width:94px;height:94px;border-radius:50%;border:0;background:var(--mint);color:white;box-shadow:0 0 0 11px #daf6ec,0 12px 24px rgba(43,142,114,.24);cursor:pointer}.big-sound svg{width:39px;height:39px}.answer-slots{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:8px 0 28px}.answer-slot{width:clamp(43px,8vw,61px);height:clamp(54px,10vw,70px);border:0;border-bottom:5px solid #a7c9ba;background:#f1f8f4;border-radius:12px 12px 5px 5px;font-size:clamp(27px,5vw,38px);font-weight:900;text-transform:uppercase;cursor:pointer}.answer-slot.filled{color:#216c5b;border-color:var(--mint);background:#dcf7ed;transform:translateY(-3px)}.letter-bank{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:620px;margin:auto 0 15px}.letter-tile{width:clamp(54px,10vw,68px);height:clamp(58px,11vw,72px);border:solid #dbe8de;border-width:2px 2px 6px;border-radius:18px;background:white;color:#254f47;font-size:31px;font-weight:900;text-transform:uppercase;cursor:pointer;transition:.14s;box-shadow:0 4px 12px rgba(51,100,86,.08)}.letter-tile:hover{transform:translateY(-4px);border-color:var(--sun)}.letter-tile:disabled{opacity:.18;transform:scale(.85)}.reset-button{border:0;background:transparent;color:#6c867e;gap:5px;cursor:pointer;font-weight:800}.feedback,.reset-button{display:flex;align-items:center}.feedback{position:absolute;left:50%;transform:translateX(-50%);bottom:26px;width:min(430px,calc(100% - 36px));padding:15px 20px;border-radius:18px;justify-content:center;gap:8px;font-weight:900;z-index:8;box-shadow:0 12px 24px rgba(37,82,70,.15)}.feedback.good{background:#dff8ee;color:#16765e;border:2px solid #8dd7bd}.feedback.answer,.feedback.try{background:#fff1df;color:#9b5d27;border:2px solid #ffd09c}.confetti{position:absolute;inset:0;z-index:7;pointer-events:none}.confetti i{position:absolute;top:-20px;font-style:normal;color:var(--sun);animation:confettiFall 1.2s ease-out forwards}.confetti i:first-child{left:10%;animation-delay:.05s}.confetti i:nth-child(2){left:22%;color:var(--coral);animation-delay:.14s}.confetti i:nth-child(3){left:36%;color:var(--mint)}.confetti i:nth-child(4){left:48%;animation-delay:.22s}.confetti i:nth-child(5){left:61%;color:var(--coral)}.confetti i:nth-child(6){left:72%;color:var(--mint);animation-delay:.12s}.confetti i:nth-child(7){left:84%}.confetti i:nth-child(8){left:92%;color:var(--coral);animation-delay:.25s}@keyframes confettiFall{to{transform:translateY(620px) rotate(520deg);opacity:0}}.error-banner{margin:10px auto;width:fit-content;padding:10px 16px;background:#fff1e9;color:#a84d34;border-radius:12px}.result-card{width:min(570px,100%)}.trophy{font-size:90px;filter:drop-shadow(0 14px 10px rgba(103,74,0,.2));animation:trophyIn .7s cubic-bezier(.2,1.6,.5,1)}@keyframes trophyIn{0%{transform:translateY(-40px) scale(.5) rotate(-15deg);opacity:0}}.result-card h1{font-size:34px;line-height:1.35}.result-card h1 strong{color:#e48726;font-size:42px}.result-stars{display:flex;justify-content:center;gap:4px;margin:18px 0}.result-stars svg{width:27px;color:#d9e2dc;fill:currentColor}.result-stars .lit{color:var(--sun)}.score-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}.score-cards div{border-radius:20px;background:#f1faf6;padding:18px;display:grid;grid-template-columns:auto 1fr;align-items:center;text-align:left}.score-cards span{font-size:30px;grid-row:1/3;margin-right:10px}.score-cards strong{font-size:24px}.score-cards small{color:#758b84}.result-message{background:#fff5d7;border-radius:14px;padding:12px;color:#8b6424;font-weight:800}.result-card .primary-button{width:100%}.loading{display:grid;place-items:center}.seed-loader{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:16px;font-size:55px;animation:seedPulse 1.5s infinite}.seed-loader span{font-size:14px;color:#436f64;font-weight:800}@keyframes seedPulse{50%{transform:translateY(-8px)}}.admin-loading{place-items:center;background:#f3f7f4;color:#527068;font-weight:800}.admin-loading,.admin-login{min-height:100dvh;display:grid}.admin-login{place-items:center;background:#143c35;padding:20px}.admin-login section{width:min(430px,100%);padding:44px;background:#fff;border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.admin-logo{width:56px;height:56px;display:grid;place-items:center;border-radius:17px;background:#ddf7ee;color:var(--mint-dark)}.admin-login p{color:#6e837d;margin:20px 0 4px;font-weight:800;font-size:13px}.admin-login h1{margin:0 0 28px;font-size:30px}.admin-login form{display:grid;gap:15px}.admin-login button{height:52px;border:0;border-radius:14px;background:#1e8069;color:white;font-weight:900;cursor:pointer}.admin-login a{display:block;text-align:center;color:#6e837d;margin-top:20px;font-size:13px}.admin-shell{min-height:100dvh;background:#f4f7f5;display:grid;grid-template-columns:240px 1fr}.admin-shell aside{position:sticky;top:0;height:100dvh;padding:28px 20px;background:#173d36;color:white;display:flex;flex-direction:column}.admin-brand{display:flex;gap:11px;align-items:center;padding:0 8px 28px;border-bottom:1px solid rgba(255,255,255,.12)}.admin-brand>span{font-size:30px}.admin-brand div{display:grid}.admin-brand small{opacity:.58;margin-top:2px}.admin-shell nav{margin-top:28px}.admin-logout,.admin-shell nav button{width:100%;border:0;border-radius:12px;background:transparent;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:10px;padding:13px;cursor:pointer}.admin-shell nav button.active{background:rgba(98,207,174,.17);color:#91e3c9}.admin-logout{margin-top:auto}.admin-main{padding:38px clamp(24px,4vw,62px);min-width:0}.admin-main>header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px}.admin-main header p{color:#779087;margin:0 0 5px;font-size:13px;font-weight:800}.admin-main header h1{margin:0;font-size:30px}.admin-actions{display:flex;gap:9px}.admin-actions button{height:42px;border:1px solid #d7e2dd;border-radius:10px;padding:0 15px;background:white;cursor:pointer;font-weight:800;display:flex;align-items:center;gap:7px}.admin-actions button.solid{background:#1f7d69;color:white;border-color:#1f7d69}.admin-actions svg{width:17px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.metric-grid>div{background:white;padding:22px;border-radius:18px;box-shadow:0 4px 14px rgba(31,68,57,.04);display:grid;grid-template-columns:48px 1fr}.metric-icon{grid-row:1/3;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:#23745f;font-size:21px}.metric-icon svg{width:20px}.metric-icon.mint{background:#def6ed}.metric-icon.yellow{background:#fff5c9;color:#b17d08}.metric-icon.coral{background:#ffebe4}.metric-grid p{margin:0;color:#7b8e88;font-size:12px}.metric-grid strong{font-size:27px}.records-card{background:white;border-radius:20px;box-shadow:0 4px 14px rgba(31,68,57,.04);overflow:hidden}.records-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid #edf1ef}.records-head h2{margin:0 0 4px;font-size:19px}.records-head p{margin:0;color:#879992;font-size:12px}.search-box{width:min(270px,40%);height:40px;border:1px solid #dfe7e3;border-radius:11px;display:flex;align-items:center;gap:7px;padding:0 11px}.search-box svg{width:17px;color:#8b9c96}.search-box input{min-width:0;width:100%;border:0;outline:0}.empty-state{min-height:300px;display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:42px;color:#83968f}.empty-state strong{font-size:16px;color:#3d5b53;margin-top:10px}.empty-state span{font-size:12px;margin-top:5px}.record-row{border-bottom:1px solid #edf1ef}.record-summary{width:100%;border:0;background:white;padding:16px 24px;display:grid;grid-template-columns:48px minmax(120px,1.5fr) repeat(3,1fr) 70px;align-items:center;text-align:left;cursor:pointer;gap:10px}.record-summary:hover{background:#f8fbf9}.avatar{width:38px;height:38px;border-radius:12px;background:#def5ec;color:#24735f;display:grid;place-items:center;font-weight:900}.record-summary>span:not(.avatar){display:grid;gap:3px}.record-summary small{color:#8a9b95;font-size:11px}.record-summary strong{font-size:14px}.total-score{display:flex!important;align-items:baseline;justify-content:flex-end}.total-score strong{font-size:24px;color:#1f7d69}.word-details{padding:8px 24px 22px 82px;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;background:#f8fbf9}.word-details div{padding:10px;background:white;border-radius:10px;display:grid;border-left:3px solid #58c59f}.word-details div.miss{border-left-color:#efa167}.word-details small,.word-details span{color:#82948e;font-size:10px}@media (max-width:720px){.forest-shell .tree{opacity:.65}.device-card,.home-card,.result-card,.welcome-card{padding:28px 21px;border-radius:28px}.welcome-card h1{font-size:32px}.home-top h1{font-size:27px}.home-tips{gap:8px;justify-content:space-between}.map-card{padding:22px 15px}.map-stop{width:44px;height:44px;font-size:21px}.question-card{min-height:calc(100dvh - 124px);border-radius:29px;padding:24px 15px}.star-progress{gap:1px}.hero-word.no-image{margin-top:80px}.letter-bank{gap:8px}.feedback{bottom:18px}.admin-shell{display:block}.admin-shell aside{height:auto;position:static;padding:15px 18px;flex-direction:row;align-items:center}.admin-brand{padding:0;border:0}.admin-shell nav{display:none}.admin-logout{margin:0 0 0 auto;width:auto}.admin-main{padding:22px 14px}.admin-main>header{align-items:flex-start;gap:15px}.admin-actions{flex-direction:column}.metric-grid{grid-template-columns:1fr}.records-head{align-items:flex-start;gap:12px;flex-direction:column}.search-box{width:100%}.record-summary{grid-template-columns:42px 1fr 58px;padding:14px}.record-summary>span:nth-child(3),.record-summary>span:nth-child(4),.record-summary>span:nth-child(5){display:none}.word-details{padding:10px 14px 18px;grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}