@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');
:root{font-family:Inter,"Noto Sans TC","Microsoft JhengHei",sans-serif;color:#212545;--muted:#646b86;--accent:#5543d3;--line:#e6e8f5;--glass:rgba(255,255,255,.77);background:#edf0ff}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 47% 0,#dfe8ff 0,transparent 47%),radial-gradient(ellipse at 96% 15%,#e7ddff 0,transparent 49%),linear-gradient(130deg,#f6f8ff,#edf0fc 68%,#f3edff)}
button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #6750e8;outline-offset:3px}h1,h2,h3,p{margin:0}p{line-height:1.75}small{color:var(--muted)}.top{height:73px;padding:0 clamp(18px,3vw,50px);background:#ffffffa0;backdrop-filter:blur(20px);border-bottom:1px solid #fff;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;font-size:20px;font-weight:800;line-height:1.1}.brand small{display:block;font-size:9px;letter-spacing:.17em;margin-top:6px;font-weight:700}.logo{display:grid;place-items:center;width:41px;height:41px;border-radius:13px;background:linear-gradient(145deg,#5976ed,#7646d8);color:white;box-shadow:0 5px 13px #7255d443;font-size:25px}.top-right{display:flex;align-items:center;gap:13px}.scheme,.tag{background:#efedff;color:#5140b0;font-size:11px;border-radius:30px;padding:6px 10px;font-weight:700;white-space:nowrap}.scheme i{display:inline-block;background:#6772e9;width:6px;height:6px;border-radius:50%;margin-right:3px}.quiet,.primary{border:1px solid var(--line);border-radius:10px;background:#fff;color:#3b3f61;padding:9px 13px;font-weight:700;font-size:13px}.quiet:hover{background:#f3f0ff}.primary{background:linear-gradient(120deg,#5266e1,#7047ce);border-color:transparent;color:white;box-shadow:0 4px 11px #5843c834}.primary:hover{filter:brightness(1.11)}
.layout{display:grid;grid-template-columns:224px minmax(0,1fr) 258px;gap:22px;padding:25px clamp(18px,3vw,50px) 44px;max-width:1750px;margin:auto;align-items:start}.sidebar,.card,.hero{border:1px solid #fff;background:var(--glass);border-radius:19px;box-shadow:0 8px 27px #393e8010;backdrop-filter:blur(17px)}.sidebar{padding:14px 10px}.side-head{display:flex;align-items:center;justify-content:space-between;padding:4px 5px 12px;font-weight:800;font-size:14px}nav{display:grid;gap:2px}.day,.side-foot a{display:flex;align-items:center;gap:8px;padding:6px 7px;border-radius:9px;min-height:34px;font-size:12px;font-weight:600}.day:hover,.side-foot a:hover{background:#f4f1ff}.day.active,.side-foot a.active{background:#e9e8ff;color:#4738aa}.day b{display:grid;place-items:center;flex:0 0 26px;height:23px;background:#f0f1fa;color:#59617e;border-radius:6px;font-size:10px}.day.active b{background:#5e51d6;color:white}.day em{font-style:normal;margin-left:auto;color:#1d806d}.side-foot{border-top:1px solid var(--line);padding-top:8px;margin-top:9px}.side-foot a{color:#514297}.hero{padding:26px;background:radial-gradient(ellipse at 100% 0%,#ded4ff,transparent 74%),linear-gradient(120deg,#f7faff,#edf0ff);position:relative;overflow:hidden}.hero h1{font-size:clamp(23px,2.6vw,36px);letter-spacing:-.035em;margin:8px 0 8px}.hero p{color:#555c7b;font-size:14px}.eyebrow{font-size:11px;letter-spacing:.14em;color:#5140b0;font-weight:800}.meter{height:7px;border-radius:99px;background:#e3e5f5;overflow:hidden}.meter span{display:block;height:100%;background:linear-gradient(90deg,#5278ed,#9164e5);border-radius:inherit}.hero .meter{margin-top:7px}.meter-label{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-top:15px}.meter-label strong{color:var(--accent)}.card{padding:18px;margin-top:15px}.card h2{font-size:16px;margin-bottom:10px}.card p,.card li{font-size:13px;color:var(--muted)}.duo{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-icon{display:inline-grid;place-items:center;background:#eeebff;color:#5c49c5;width:26px;height:26px;border-radius:8px;margin-right:7px;font-size:14px}.teach{border-left:3px solid #a397ef;padding-left:12px;margin-bottom:13px}.tabs,.actions{display:flex;flex-wrap:wrap;gap:8px}.tabs{margin:0 0 13px}.tabs button[aria-pressed=true]{background:#eae6ff;color:#4935b1;border-color:#dfd8ff}.prompt{background:linear-gradient(135deg,#f1f5ff,#f1ebff);border:1px solid #e7e3fa;border-radius:14px;text-align:center;padding:13px 8px;margin-bottom:12px}.prompt .phrase{font-size:clamp(21px,3vw,31px);letter-spacing:.04em;overflow-wrap:anywhere}.phrase .current{color:#543cd0;text-decoration:underline;text-underline-offset:6px}.zhuyin{font-size:19px;color:#4e4887;margin:6px 0}.boxes{display:flex;justify-content:center;gap:7px;margin:9px 0}.boxes b{background:white;border:1px solid #dbd5fa;border-radius:8px;width:38px;height:34px;display:grid;place-items:center;font-size:18px;color:#553bd0}.keys{display:grid;gap:5px;margin:12px 0}.keyrow{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:5px}.keyrow:last-child{grid-template-columns:repeat(7,minmax(0,1fr));padding:0 14%}.key{background:#fbfcff;border:1px solid #dfe3f3;border-bottom:3px solid #dce0f0;border-radius:8px;padding:5px 0;min-height:43px;color:#282d53;display:grid;place-items:center;line-height:1.1}.key b{font-size:13px}.key small{font-size:clamp(6px,.65vw,10px);white-space:nowrap}.key.hint{background:#e8e2ff;border-color:#a99af1;color:#4932bb}.key.bad{background:#ffe3eb;border-color:#e387a1}.key.good{background:#d7f4e9;border-color:#70bea5}.feedback{min-height:24px;margin-bottom:6px}.status-ok{color:#176d56!important}.status-bad{color:#a02553!important}#summary .card:first-child{margin-top:0}.metric{font-size:32px;font-weight:800;color:#5343c8;line-height:1.3}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.stat-grid div{background:#f4f4fe;border-radius:10px;padding:9px}.stat-grid strong{display:block;font-size:19px;color:#5141ba}.stat-grid small{font-size:10px}.weak{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:6px 0;font-size:12px}.weak kbd{padding:4px 7px;border-radius:6px;background:#efecff;color:#5140b0}.link{display:inline-block;color:#513fc1;font-size:13px;font-weight:700;margin-top:10px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}th,td{text-align:left;border-bottom:1px solid var(--line);padding:9px}th{color:#4d4681}dialog{max-width:min(94vw,460px);border:1px solid white;border-radius:16px;padding:20px;background:#f9f9ff;color:#24274e;box-shadow:0 16px 55px #39326845}dialog::backdrop{background:#24204462}dialog h2{font-size:19px;margin-bottom:8px}dialog p{font-size:13px;margin-bottom:10px}dialog form{margin-top:12px}dialog input{padding:9px;border:1px solid #cbcbe2;border-radius:8px;font:inherit;width:100%;margin-bottom:9px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:1150px){.layout{grid-template-columns:187px minmax(0,1fr) 207px;gap:13px;padding-inline:14px}.card{padding:14px}.side-head{font-size:13px}.tag{font-size:10px}}
@media(max-width:960px){.layout{grid-template-columns:174px minmax(0,1fr)}#summary{grid-column:2;display:grid;grid-template-columns:1fr 1fr;gap:12px}#summary .card{margin:0}}
@media(max-width:650px){.top{height:62px;padding:0 12px}.brand{font-size:17px}.logo{width:34px;height:34px}.top-right{gap:5px}.scheme{padding:5px 6px}.layout{display:block;padding:10px 10px 24px}.sidebar{margin-bottom:11px;padding:9px}.side-head{padding-bottom:5px}nav{display:flex;overflow:auto;padding-bottom:4px}.day{flex:none}.side-foot{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px;padding-top:4px}.side-foot a{min-height:30px}.hero{padding:17px}.card{padding:12px;margin-top:10px}.duo{gap:7px}.keyrow{gap:3px}.key{min-height:38px}.key b{font-size:12px}.key small{font-size:7px}#summary{margin-top:10px;gap:8px}}
@media(max-width:365px){.duo{grid-template-columns:1fr}.key small{font-size:6px}.top .quiet{padding:6px}}
.phone-embedded #mobile-link{display:none}.phone-stage{display:grid;justify-items:center;padding:20px 0 8px}

.phone-frame{position:relative;width:min(calc(100% - 14px),414px);height:786px;padding:8px;background:#161820;border:2px solid #8d8f9c;border-radius:52px;box-shadow:0 18px 45px #3f347343,inset 0 0 0 2px #373943}
.phone-frame::before,.phone-frame::after{content:"";position:absolute;width:4px;background:linear-gradient(90deg,#4c4d59,#a4a6b2);border-radius:3px}
.phone-frame::before{left:-5px;top:121px;height:24px;box-shadow:0 46px #777986,0 90px #777986}
.phone-frame::after{right:-5px;top:177px;height:56px}
.phone-screen{position:relative;display:grid;grid-template-rows:32px minmax(0,1fr) 21px;height:100%;overflow:hidden;border-radius:41px;background:#f6f7ff}
.phone-island{align-self:center;justify-self:center;width:112px;height:26px;border-radius:22px;background:#090a0d;box-shadow:inset 0 0 0 1px #1d1e26}
.phone-island::after{content:"";display:block;width:7px;height:7px;margin:9px 11px 0 auto;border-radius:50%;background:radial-gradient(circle at 32% 30%,#505a96,#101321 65%)}
.phone-frame iframe{display:block;width:100%;height:100%;border:0;background:#edf0ff}
.phone-home{align-self:center;justify-self:center;width:115px;height:4px;border-radius:10px;background:#242632}
#mobile-nav{display:none}.home-actions{margin-top:13px}.phone-app{--phone-nav:calc(57px + env(safe-area-inset-bottom,0px))}
.phone-app .layout{display:block;padding:10px 12px calc(var(--phone-nav) + 16px)}
.phone-app .sidebar,.phone-app #summary{display:none}
.phone-app #mobile-nav{display:grid;position:fixed;bottom:0;left:0;right:0;z-index:4;grid-template-columns:repeat(5,1fr);padding:3px 4px env(safe-area-inset-bottom,0px);min-height:var(--phone-nav);border-top:1px solid #e1def4;background:#f9f8ff;box-shadow:0 -6px 20px #29224e12}
.phone-app #mobile-nav a{display:grid;place-content:center;justify-items:center;gap:2px;min-height:48px;border-radius:10px;font-size:11px;font-weight:700;color:#555570}
.phone-app #mobile-nav b{font-size:19px;line-height:1}.phone-app #mobile-nav a[aria-current]{background:#ede8ff;color:#4f36bc}
.phone-picker{display:grid;gap:5px;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:9px}.phone-picker select{min-height:44px;font:inherit;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px;color:#34315b;width:100%}
.phone-start{display:block;text-align:center;margin-top:12px;padding:13px}
.phone-training-head{display:flex;align-items:center;gap:10px;font-size:13px;min-height:38px}.phone-training-head a{color:var(--accent);padding:9px 2px;white-space:nowrap}
.phone-app[data-phone-tab=practice] #training h2{display:none}
.phone-app[data-phone-tab=practice] .layout,.phone-app[data-phone-tab=review] .layout{padding-bottom:calc(var(--phone-nav) + 185px)}
.phone-app[data-phone-tab=practice] .keys,.phone-app[data-phone-tab=review] .keys{position:fixed;bottom:var(--phone-nav);left:0;right:0;z-index:3;margin:0;padding:8px 8px 10px;background:#f7f6ff;border-top:1px solid #e2dff3;box-shadow:0 -8px 25px #2b247118}
.phone-app .key{min-height:43px}.phone-app .key small{font-size:clamp(5px,1.5vw,8px)}
.phone-app[data-phone-tab=practice] .prompt{padding:10px 7px}.phone-app .feedback{margin-bottom:0}
.phone-app .top{height:56px}
@media(max-height:520px){.phone-app .key{min-height:34px}}
.phone-app #training{backdrop-filter:none}
.phone-app[data-phone-tab=review] .hero{padding:13px}
.phone-app[data-phone-tab=review] .hero h1{font-size:21px;margin:3px 0}
.phone-app[data-phone-tab=review] main>.duo{display:none}.phone-app[data-phone-tab=review] main>.duo:has(+ #training .actions){display:grid}

.home-entry a{display:block;padding:9px 8px;margin-bottom:6px;border-radius:9px;font-size:13px;font-weight:800;color:#4a3caf}.home-entry a.active,.home-entry a:hover{background:#eae6ff}
.launch-hero{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(150px,.75fr);align-items:center;gap:18px;overflow:hidden;padding:clamp(23px,3.3vw,52px);border-radius:23px;color:#fff;background:radial-gradient(ellipse at 100% 0%,#4030a7 0,transparent 62%),radial-gradient(ellipse at 85% 100%,#303ac4 0,transparent 64%),#171633;box-shadow:0 15px 35px #2822662e}
.launch-hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#c6bcff13 1px,transparent 1px),linear-gradient(90deg,#c6bcff13 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(90deg,transparent,#000)}
.launch-copy .eyebrow{color:#c9c1ff;letter-spacing:.08em}.launch-copy h1{font-size:clamp(32px,4vw,68px);line-height:1.13;letter-spacing:-.055em;margin:12px 0}.launch-copy p{max-width:32em;color:#e2def9;font-size:14px}.launch-copy .primary{display:inline-flex;gap:16px;margin-top:19px;background:#d8fb82;color:#1f2924;border:0;padding:13px 17px;font-size:14px}
.launch-speed{min-width:0;border:1px solid #b6a5ff60;background:#d2c5ff19;border-radius:19px;padding:17px;text-align:center;display:grid;justify-items:center;box-shadow:0 12px 32px #15113c55}.launch-speed>span{font-size:12px;color:#e7e0ff;font-weight:700}.launch-speed strong{color:#d8fb82;font-family:"Barlow Condensed",Inter,sans-serif;font-size:clamp(44px,7.25vw,112px);font-weight:800;line-height:1;white-space:nowrap;letter-spacing:-.06em}.launch-keys{display:flex;align-items:center;gap:5px;margin-top:15px}.launch-keys kbd{background:#fff3;color:white;border:1px solid #fff5;border-bottom-width:3px;border-radius:7px;padding:5px 7px;font-size:13px}
@media(max-width:760px){.launch-hero{grid-template-columns:1fr}.launch-speed{grid-template-columns:auto auto;align-items:center;justify-content:center;gap:5px 10px;padding:10px}.launch-speed>span:first-child{grid-column:1/-1}.launch-speed strong{font-size:52px}.launch-keys{display:none}.phone-app .launch-hero{gap:15px;padding:18px}.phone-app .launch-copy .primary{margin-top:12px}.phone-app .launch-copy h1{font-size:34px}}
.device-paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.device-paths .card{display:flex;flex-direction:column;align-items:flex-start;background:linear-gradient(145deg,#fff,#f1edff);padding:20px}.device-paths .link{margin-top:auto;padding-top:12px}.device-icon{display:grid;place-items:center;border-radius:10px;background:#e9e3ff;color:#4d35bc;width:34px;height:34px;font-weight:800;font-size:19px;margin-bottom:9px}.phone-app .device-paths{grid-template-columns:1fr;gap:0}