@charset "UTF-8";
:root{--ink:#282442;--muted:#77728d;--violet:#7156dc;--violet-dark:#5940bd;--line:#e9e5f3;--green:#21896c;--red:#ce5a6a;--shadow:0 12px 40px #5440800b;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#f6f5fc;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 12% 0,#e9e2ff 0,transparent 45%),radial-gradient(ellipse at 95% 25%,#e4f2fb 0,transparent 48%),#f6f5fc}button,a,input{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #efb84e;outline-offset:4px}button:disabled{cursor:default;opacity:.5}button:disabled:hover{transform:none}.shell{max-width:900px;margin:0 auto;padding:24px 28px 40px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:48px;margin-bottom:30px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.3px}.brand img{width:38px;height:38px}.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:1.6px;margin-top:3px;font-weight:600}.nav-actions{display:flex;align-items:center;gap:8px}.icon-button,.back{background:white;border:1px solid var(--line);border-radius:13px;min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;font-size:20px}.nav-label{font-size:13px;padding:0 14px;gap:5px}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:800;color:var(--violet);margin:0 0 13px}.hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:16px;padding:25px 6px 35px}.hero h1{font-size:clamp(31px,5vw,48px);line-height:1.3;letter-spacing:-1.5px;margin:0 0 18px}.hero h1 span{color:var(--violet)}.hero p{font-size:15px;color:var(--muted);line-height:1.9;margin:0}.hero-art{position:relative;height:240px;display:flex;align-items:center;justify-content:center}.ear-circle{width:166px;height:166px;border-radius:50%;background:linear-gradient(145deg,#8b74ec,#6651cc);box-shadow:0 20px 35px #7156dc27;display:flex;align-items:center;justify-content:center}.ear-circle img{width:115px;height:115px;animation:bob 4s ease-in-out infinite}.float-tile{position:absolute;display:grid;place-items:center;width:66px;height:66px;background:white;border:1px solid #ffffffaa;box-shadow:0 10px 25px #5041770d;border-radius:20px;font-size:30px;transform:rotate(var(--r))}.tile-1{top:14px;left:20px;--r:-12deg}.tile-2{top:4px;right:26px;--r:12deg}.tile-3{bottom:5px;left:39px;--r:8deg}.tile-4{bottom:16px;right:7px;--r:-10deg}.spark{position:absolute;top:90px;right:0;color:#e9ae48;font-size:28px}.section-title{font-size:20px;margin:0 0 8px}.section-meta{color:var(--muted);font-size:13px;line-height:1.8;margin:0 0 20px}.mode-tabs{display:flex;gap:5px;background:#e9e5f5;border-radius:15px;padding:5px;width:max-content;max-width:100%;margin:0 0 24px}.mode-tab{border:0;border-radius:11px;background:transparent;padding:11px 24px;color:var(--muted);font-size:14px;font-weight:700}.mode-tab.active{background:white;color:var(--violet);box-shadow:0 2px 6px #3f28620a}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.home-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.bank-card{background:#ffffffed;border:1px solid #fff;border-radius:23px;padding:23px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column;position:relative;min-height:160px;overflow:hidden}.bank-card:hover{transform:translateY(-3px);box-shadow:0 14px 35px #54408013}.card-icon{width:48px;height:48px;border-radius:15px;background:var(--tint,#eee8ff);color:var(--accent,#7156dc);font-size:26px;display:grid;place-items:center;margin-bottom:24px}.bank-card h3{font-size:18px;line-height:1.5;margin:0 22px 6px 0}.bank-card .en{font-size:11px;color:var(--muted);line-height:1.5;margin:0 0 13px;overflow-wrap:anywhere}.bank-card .count{font-size:12px;color:var(--muted);margin:0;line-height:1.65}.bank-card .arrow{position:absolute;right:22px;bottom:24px;color:#aaa2bd;font-size:23px}.panel{background:#fff;border:1px solid #fff;border-radius:24px;padding:27px;box-shadow:var(--shadow);margin-bottom:20px}.quiet-note{font-size:12px;color:var(--muted);line-height:1.9}.footnote{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:11px;color:#928bA6;margin-top:32px;line-height:1.9}.footnote a{text-decoration:underline;text-underline-offset:3px}.intro-strip{display:flex;align-items:center;gap:15px;margin-top:22px;padding:19px 22px;background:#ffffffa8;border:1px solid white;border-radius:18px}.intro-strip .circle{font-size:22px;background:#f5eccc;border-radius:50%;width:42px;height:42px;display:grid;place-items:center;flex-shrink:0}.intro-strip strong{display:block;font-size:13px;margin-bottom:4px}.intro-strip p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.text-button{background:none;border:0;color:var(--violet);font-weight:700;font-size:13px;white-space:nowrap;padding:10px}.intro-strip .text-button{margin-left:auto}.page-heading{margin:0 0 8px;font-size:29px;letter-spacing:-.6px}.page-title-row{display:flex;gap:14px;align-items:center;margin-bottom:24px}.page-title-row .back{flex-shrink:0}.page-title-row h1{margin:0;font-size:24px}.page-title-row p{margin:4px 0 0;font-size:12px;color:var(--muted)}.pill{display:inline-block;font-size:11px;line-height:1.5;border-radius:99px;background:#eee8ff;color:var(--violet);padding:5px 10px}.setup-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.big-number{font-size:53px;line-height:1.1;font-weight:800;letter-spacing:-2px;color:var(--violet);margin:10px 0}.label{font-size:13px;color:var(--muted);margin:5px 0 20px}.count-grid{display:flex;flex-wrap:wrap;gap:9px;margin:16px 0 25px}.count-choice{border:1px solid var(--line);background:#fff;border-radius:12px;min-width:58px;padding:12px;color:var(--muted);font-weight:700}.count-choice.selected{background:#eee8ff;color:var(--violet);border-color:#c9baff}.primary,.secondary,.danger-button{border:0;border-radius:14px;padding:15px 24px;display:inline-flex;justify-content:center;align-items:center;gap:8px;font-weight:700;font-size:14px;transition:background .15s,transform .15s}.primary{background:var(--violet);color:white;box-shadow:0 6px 15px #7156dc20}.primary:hover{background:var(--violet-dark)}.secondary{background:#eeeaf7;color:var(--violet)}.danger-button{background:#fcf0e2;color:#8c622a}.full{width:100%}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.rules{padding-left:22px;margin:12px 0 0;color:var(--muted);font-size:13px;line-height:2.1}.rules li{padding-left:3px;margin-bottom:9px}.notice-box{background:#f8f5ff;border:1px solid #eee5ff;border-radius:14px;padding:14px 16px;line-height:1.9;font-size:12px;color:#756293;margin:15px 0}.run-card{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:15px 0;border-top:1px solid var(--line);font-size:13px}.run-card small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.history-empty{text-align:center;padding:40px;color:var(--muted)}.quiz-shell{max-width:760px;margin:auto}.quiz-header{display:flex;gap:12px;align-items:center;margin:0 0 17px}.quiz-header .back{font-size:18px}.quiz-header strong{font-size:15px}.quiz-header small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.quiz-status{margin-left:auto;align-self:center}.progress-track{height:5px;border-radius:5px;background:#e3ddf1;overflow:hidden;margin-bottom:22px}.progress-fill{height:100%;background:linear-gradient(90deg,#9679f1,#58b9cc);transition:width .2s}.listen-button{width:100%;border:0;border-radius:22px;background:linear-gradient(115deg,#8466e6,#6286e9);color:#fff;display:flex;align-items:center;justify-content:center;gap:17px;padding:25px;min-height:108px;box-shadow:0 9px 22px #7156dc1c}.listen-button .speaker{font-size:33px;width:56px;height:56px;border-radius:50%;background:#ffffff20;display:grid;place-items:center}.listen-button strong{display:block;font-size:20px;letter-spacing:.4px}.listen-button small{display:block;font-size:12px;color:#eeeaff;margin-top:5px}.listen-button.playing .speaker{animation:pulse 1s ease-in-out infinite}.question-instruction{color:var(--muted);font-size:12px;text-align:center;margin:16px 0}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.option{background:#fff;border:3px solid #fff;padding:0;position:relative;border-radius:21px;overflow:hidden;box-shadow:var(--shadow);transition:border-color .15s,transform .15s;aspect-ratio:1;display:block;width:100%}.option:hover:enabled{border-color:#cbbdf8;transform:translateY(-2px)}.option img{width:100%;height:100%;object-fit:contain;display:block}.option .letter{position:absolute;left:12px;top:12px;width:29px;height:29px;border-radius:10px;background:#f0edf9e8;color:#7d729b;font-size:12px;font-weight:700;display:grid;place-items:center}.option .feedback-mark{position:absolute;right:12px;bottom:12px;border-radius:50%;width:34px;height:34px;display:grid;place-items:center;color:#fff;font-size:20px;background:var(--green)}.option.correct{border-color:var(--green)}.option.wrong{border-color:var(--red)}.option.wrong .feedback-mark{background:var(--red)}.option:disabled{opacity:1}.feedback-line{min-height:35px;font-size:14px;font-weight:700;line-height:1.7;text-align:center;margin:16px 0 3px}.feedback-line.good{color:var(--green)}.feedback-line.bad{color:var(--red)}.media-error{padding:15px;background:#fff1e9;border:1px solid #f2d4bd;border-radius:14px;color:#985d38;font-size:13px;line-height:1.8;margin-top:15px}.media-error button{margin-top:9px}.quiz-bottom{display:flex;justify-content:space-between;align-items:center;margin:19px 0;gap:12px}.guide-stage{text-align:center;min-height:310px;padding:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#f0eaff,#eaf6fb);border-radius:18px;position:relative;overflow:hidden}.guide-emoji{font-size:75px;animation:bob 3s ease-in-out infinite}.guide-demo{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px auto;width:175px}.guide-demo span{background:white;display:grid;place-items:center;height:65px;border:3px solid white;border-radius:14px;font-size:30px;animation:pop 2.5s infinite}.guide-demo span:nth-child(2){animation-delay:.3s}.guide-demo span:nth-child(3){animation-delay:.6s}.guide-demo span:nth-child(4){animation-delay:.9s}.guide-caption{font-size:17px;line-height:1.9;text-align:center;max-width:540px;margin:23px auto 18px;min-height:100px}.guide-dots{display:flex;gap:7px;justify-content:center;margin:15px}.guide-dots span{width:7px;height:7px;background:#dfd6f3;border-radius:50%}.guide-dots span.current{background:var(--violet);width:25px;border-radius:5px}.guide-dots span.done{background:#a794df}.result-hero{text-align:center;padding:25px 20px}.result-icon{font-size:47px;margin-bottom:10px}.result-percent{font-size:72px;line-height:1.2;font-weight:800;letter-spacing:-4px;color:var(--violet);margin:12px 0}.result-percent small{font-size:30px;letter-spacing:0}.result-hero h1{font-size:24px;margin:8px 0}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.stat{background:#f7f5fc;border-radius:16px;padding:18px 10px;text-align:center}.stat strong{display:block;font-size:24px;color:var(--ink)}.stat span{font-size:11px;color:var(--muted);display:block;margin-top:5px}.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.review-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.review-card img{width:100%;aspect-ratio:1;object-fit:contain;display:block}.review-card p{font-size:11px;margin:0;padding:9px 10px;line-height:1.6;color:var(--muted)}.review-card button{border:0;padding:9px 8px;width:100%;color:var(--violet);background:#f5f0ff;font-size:11px}.source-links{display:grid;gap:12px}.source-links a{display:block;background:#f7f5fb;border-radius:12px;padding:14px;font-size:13px;color:var(--violet);overflow-wrap:anywhere}.storage-warning{position:relative;z-index:100;padding:12px 20px;background:#fff1d0;color:#785714;font-size:12px;line-height:1.8;text-align:center}dialog{border:0;border-radius:23px;padding:28px;max-width:460px;width:calc(100% - 36px);color:var(--ink);box-shadow:0 25px 80px #2d24462a}dialog::backdrop{background:#2c23465c;backdrop-filter:blur(3px)}dialog h2{font-size:21px;margin:0 0 14px}dialog p{color:var(--muted);font-size:13px;line-height:1.9}dialog .button-row{flex-direction:column}dialog .button-row>*{width:100%}.search{border:1px solid #e4ddef;border-radius:13px;padding:13px 17px;width:100%;background:white;font:inherit;font-size:13px;margin-bottom:20px;color:var(--ink)}[hidden]{display:none!important}@keyframes bob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-8px) rotate(3deg)}}@keyframes pulse{50%{transform:scale(1.12);background:#ffffff40}}@keyframes pop{50%{border-color:#b4a0ef;transform:scale(1.03)}}
@media(min-width:900px){.quiz-shell .options{gap:18px}.quiz-shell .option{max-height:280px;aspect-ratio:auto;height:280px}.quiz-shell{max-width:650px}.listen-button{min-height:104px}}
@media(max-width:620px){.shell{padding:18px 18px 30px}.topbar{margin-bottom:20px}.brand{font-size:14px}.brand img{width:34px;height:34px}.nav-label{font-size:12px;padding:0 10px}.hero{grid-template-columns:1fr;padding:12px 3px 30px;gap:0;position:relative}.hero h1{font-size:35px;max-width:270px;line-height:1.35;margin-bottom:15px}.hero p{font-size:13px;max-width:260px}.hero-art{height:140px;position:absolute;right:-8px;top:15px;width:120px;opacity:.85}.ear-circle{width:84px;height:84px}.ear-circle img{width:63px;height:63px}.float-tile{width:35px;height:35px;font-size:19px;border-radius:11px}.tile-1{top:0;left:3px}.tile-2{top:7px;right:0}.tile-3{bottom:2px;left:0}.tile-4{bottom:8px;right:0}.spark{font-size:17px;top:69px;right:0}.hero h1 span{display:block}.home-cards{grid-template-columns:1fr}.home-cards .bank-card{display:grid;grid-template-columns:51px 1fr;grid-template-rows:auto auto;column-gap:17px;min-height:105px;padding:20px}.home-cards .card-icon{grid-row:1/3;margin:0;align-self:center}.home-cards h3{align-self:end;font-size:17px}.home-cards .count{align-self:start}.cards{gap:12px}.bank-card{border-radius:19px;padding:19px;min-height:165px}.bank-card h3{font-size:16px;margin-right:0}.bank-card .card-icon{width:39px;height:39px;font-size:23px;margin-bottom:17px;border-radius:12px}.bank-card .arrow{right:15px;bottom:16px;font-size:19px}.mode-tabs{margin-bottom:20px}.mode-tab{padding:10px 22px;font-size:13px}.intro-strip{padding:16px;gap:11px;flex-wrap:wrap}.intro-strip>div:nth-child(2){flex:1;min-width:170px}.intro-strip .text-button{padding:0 0 0 53px;margin:0}.setup-grid{grid-template-columns:1fr;gap:0}.panel{padding:22px;border-radius:21px}.page-title-row h1{font-size:22px}.options{gap:11px}.option{border-radius:17px}.option .letter{width:25px;height:25px;left:8px;top:8px;border-radius:8px}.listen-button{border-radius:19px;min-height:105px;padding:20px;gap:13px}.listen-button strong{font-size:19px}.listen-button small{font-size:11px}.quiz-header strong{font-size:14px}.quiz-header small{font-size:11px}.quiz-status{font-size:10px}.question-instruction{font-size:11px;margin:14px 0}.quiz-bottom{margin-top:17px}.quiz-bottom .quiet-note{font-size:11px}.review-grid{grid-template-columns:repeat(3,1fr);gap:8px}.guide-caption{font-size:15px;min-height:130px}.guide-stage{min-height:240px}.result-percent{font-size:64px}.stats{gap:8px}.stat{padding:15px 5px}.stat strong{font-size:22px}.primary,.secondary{padding:14px 18px}.footnote{margin-top:25px}.rules{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.nav-actions,.nav-label{flex-shrink:0}.nav-label{white-space:nowrap}