:root{--bg: #f5f4ff;--surface: #ffffff;--surface-2: #faf9ff;--ink: #25243f;--ink-soft: #46445f;--muted: #72718c;--line: #e8e5f5;--line-strong: #d8d3ee;--primary: #6c5ce7;--primary-dark: #5646cd;--primary-soft: #efecff;--mint: #18bd93;--mint-dark: #0d9c78;--mint-soft: #e2fbf3;--sun: #f0af14;--sun-soft: #fff6d8;--coral: #ff6b6b;--coral-soft: #ffecec;--sky: #2fa9ee;--sky-soft: #e7f6ff;--danger: #e64c5c;--danger-soft: #ffecef;--shadow-sm: 0 4px 14px rgba(76, 63, 160, .07);--shadow: 0 12px 34px rgba(76, 63, 160, .1);--shadow-lg: 0 24px 60px rgba(76, 63, 160, .18);--radius-sm: 14px;--radius: 22px;--radius-lg: 30px;--font: "PingFang HK", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Segoe UI", system-ui, -apple-system, sans-serif;--font-display: "PingFang HK", "Microsoft JhengHei", "Noto Sans TC", system-ui, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;font-family:var(--font);color:var(--ink);background:radial-gradient(circle at 12% 8%,rgba(108,92,231,.11),transparent 32%),radial-gradient(circle at 92% 0%,rgba(255,201,77,.16),transparent 28%),radial-gradient(circle at 85% 90%,rgba(53,208,165,.1),transparent 30%),var(--bg);font-size:15.5px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.25;letter-spacing:-.01em}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}::selection{background:#6c5ce738}:focus-visible{outline:3px solid rgba(108,92,231,.32);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.app-shell{display:flex;min-height:100vh}.sidebar{position:sticky;top:0;width:252px;height:100vh;flex:0 0 252px;padding:24px 18px 18px;background:#ffffffd1;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-right:1px solid rgba(232,229,245,.9);display:flex;flex-direction:column;gap:18px;z-index:40}.logo{display:flex;align-items:center;gap:11px;padding:2px 8px}.logo-mark{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:25px;background:linear-gradient(135deg,#7c6cf0,#5646cd);box-shadow:0 8px 18px #5646cd52;flex:none}.logo-text{display:flex;flex-direction:column;line-height:1.15}.logo-text strong{font-size:19px;letter-spacing:.04em}.logo-text small{font-size:10.5px;color:var(--muted);letter-spacing:.08em}.side-nav{display:flex;flex-direction:column;gap:5px}.side-link{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:14px;color:var(--ink-soft);font-weight:600;transition:background .18s,color .18s,transform .18s}.side-link:hover{background:#f4f2ff;color:var(--primary-dark)}.side-link.active{background:linear-gradient(120deg,#efecff,#f7f5ff);color:var(--primary-dark);box-shadow:inset 0 0 0 1px #6c5ce71f}.side-link.active svg{color:var(--primary)}.side-spacer{flex:1}.side-student{display:flex;align-items:center;gap:10px;text-align:left;padding:10px;border-radius:18px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s}.side-student:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.side-student-info{display:flex;flex-direction:column;min-width:0;flex:1}.side-student-info strong{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-student-info small{font-size:11px;color:var(--muted)}.side-tip{display:flex;gap:9px;align-items:flex-start;padding:12px 13px;border-radius:16px;background:linear-gradient(135deg,#fff8e3,#fff3ce);font-size:12px;color:#7a6420;line-height:1.5}.side-tip-emoji{font-size:17px}.net-status{display:flex;align-items:center;justify-content:center;gap:6px;font-size:11px;color:var(--muted);padding:5px}.net-status.offline{color:var(--danger)}.main-wrap{flex:1;min-width:0;display:flex;flex-direction:column}.mobile-topbar{display:none}.page-content{width:100%;max-width:1140px;margin:0 auto;padding:30px 36px 64px;flex:1}.bottom-nav{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:14px;border:1px solid transparent;background:var(--surface);color:var(--ink);font-weight:700;font-size:14.5px;transition:transform .15s,box-shadow .15s,background .15s,color .15s,border-color .15s;white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:hover{transform:translateY(-1px)}.btn:active{transform:scale(.975)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,#7c6cf0,#5f4de0);color:#fff;box-shadow:0 10px 22px #5f4de047}.btn-primary:hover{box-shadow:0 14px 28px #5f4de057}.btn-soft{background:var(--primary-soft);color:var(--primary-dark)}.btn-mint{background:linear-gradient(135deg,#2ed3a9,#14b489);color:#fff;box-shadow:0 10px 22px #14b4893d}.btn-sun{background:linear-gradient(135deg,#ffd35c,#f5b91b);color:#5d4400;box-shadow:0 10px 22px #f5b91b40}.btn-coral{background:linear-gradient(135deg,#ff8686,#f45d5d);color:#fff;box-shadow:0 10px 22px #f45d5d3d}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-soft)}.btn-ghost:hover{background:var(--surface)}.btn-outline{background:transparent;border-color:#6c5ce759;color:var(--primary-dark)}.btn-block{width:100%}.btn-sm{padding:8px 13px;font-size:12.5px;border-radius:11px}.btn-lg{padding:15px 26px;font-size:16.5px;border-radius:17px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:38px;height:38px;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink-soft);transition:background .15s,color .15s,transform .15s,border-color .15s;flex:none}.icon-btn:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:transparent}.icon-btn:active{transform:scale(.94)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.icon-btn.compact{width:32px;height:32px;border-radius:10px}.speak-btn{color:var(--primary);border-color:#6c5ce72e;background:var(--primary-soft)}.speak-btn.is-playing{animation:pulse 1s infinite}.speak-btn span{font-size:12.5px;font-weight:700;white-space:nowrap}.speak-btn.with-label{width:auto;min-width:38px;padding:0 13px}.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:700;line-height:1.35;white-space:nowrap}.chip-neutral{background:#f1eff8;color:var(--muted)}.chip-primary{background:var(--primary-soft);color:var(--primary-dark)}.chip-mint{background:var(--mint-soft);color:var(--mint-dark)}.chip-sun{background:var(--sun-soft);color:#8a6400}.chip-coral{background:var(--coral-soft);color:#c74848}.chip-sky{background:var(--sky-soft);color:#127ab8}.card{background:var(--surface);border:1px solid rgba(232,229,245,.9);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.card-pad{padding:22px}.section{margin-top:30px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}.section-head h2{font-size:19px}.section-head p{color:var(--muted);font-size:12.5px;margin-top:2px}.link-more{font-size:12.5px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:3px;white-space:nowrap}button.link-more{border:0;background:transparent;padding:0;cursor:pointer}.grid{display:grid;gap:14px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}.field>label,.field-label{font-size:12.5px;font-weight:700;color:var(--ink-soft)}.input,.textarea,.select{width:100%;padding:12px 14px;border-radius:13px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);transition:border-color .15s,box-shadow .15s;font-size:14.5px}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:#6c5ce78c;box-shadow:0 0 0 4px #6c5ce71a}.textarea{min-height:140px;resize:vertical;line-height:1.7}.input::placeholder,.textarea::placeholder{color:#a7a4bd}.hint{font-size:11.5px;color:var(--muted);line-height:1.5}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check-row{display:flex;align-items:flex-start;gap:10px;padding:12px 13px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;transition:border-color .15s,background .15s}.check-row:hover{border-color:var(--line-strong)}.check-row input{width:18px;height:18px;accent-color:var(--primary);margin-top:2px;flex:none}.check-row .check-text{display:flex;flex-direction:column;gap:2px}.check-row strong{font-size:13.5px}.check-row small{font-size:11.5px;color:var(--muted)}.switch{position:relative;display:inline-flex;width:46px;height:27px;flex:none}.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:2}.switch-track{width:100%;height:100%;border-radius:999px;background:#ddd9ee;transition:background .2s;position:relative}.switch-track:after{content:"";position:absolute;top:3px;left:3px;width:21px;height:21px;border-radius:50%;background:#fff;box-shadow:0 2px 5px #1e144633;transition:transform .2s}.switch input:checked+.switch-track{background:var(--primary)}.switch input:checked+.switch-track:after{transform:translate(19px)}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}.page-head-main{display:flex;align-items:flex-start;gap:10px;min-width:0}.page-head h1{font-size:clamp(24px,3vw,31px);letter-spacing:-.02em}.page-sub{color:var(--muted);font-size:13.5px;margin-top:5px;max-width:640px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:4px}.page-head-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.back-btn{margin-top:4px}.empty-state{text-align:center;padding:46px 24px;border:1.5px dashed var(--line-strong);border-radius:var(--radius);background:#ffffff8c}.empty-icon{width:68px;height:68px;margin:0 auto 14px;border-radius:22px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary)}.empty-state h3{font-size:18px;margin-bottom:6px}.empty-state p{color:var(--muted);font-size:13px;max-width:380px;margin:0 auto 18px}.toast-stack{position:fixed;left:50%;bottom:92px;transform:translate(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:min(92vw,440px)}.toast{display:flex;align-items:center;gap:9px;padding:11px 16px;border-radius:14px;background:#25243ff0;color:#fff;font-size:13px;font-weight:600;box-shadow:0 16px 34px #140f3247;animation:toastIn .25s ease both;max-width:100%}.toast-icon{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#ffffff24;flex:none}.toast-success .toast-icon{background:var(--mint)}.toast-error .toast-icon{background:var(--coral)}.toast-info .toast-icon{background:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:250;background:#1e194173;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:18px;animation:fadeIn .18s ease}.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:popIn .22s cubic-bezier(.2,1.2,.4,1)}.modal-sm{max-width:420px}.modal-md{max-width:540px}.modal-lg{max-width:760px}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:22px 24px 12px}.modal-head h2{font-size:20px}.modal-head p{color:var(--muted);font-size:12.5px;margin-top:4px}.modal-body{padding:8px 24px 20px;overflow-y:auto;-webkit-overflow-scrolling:touch}.modal-foot{padding:14px 24px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px;flex-wrap:wrap}.spinner-wrap{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.spinner{display:inline-block;border:3px solid rgba(108,92,231,.18);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;flex:none}.spinner-label{font-weight:600}.ring{position:relative;display:grid;place-items:center;flex:none}.ring-content{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center}.stat-tile{display:flex;align-items:center;gap:11px;padding:14px 15px;border-radius:17px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}.stat-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);flex:none}.stat-value{font-size:18px;font-weight:800;line-height:1.15}.stat-label{font-size:11px;color:var(--muted)}.tone-mint .stat-icon{background:var(--mint-soft);color:var(--mint-dark)}.tone-sun .stat-icon{background:var(--sun-soft);color:#a27400}.tone-coral .stat-icon{background:var(--coral-soft);color:#c74848}.tone-sky .stat-icon{background:var(--sky-soft);color:#127ab8}.mascot{display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at 35% 25%,#fff,#f0edff);box-shadow:inset 0 0 0 3px #ffffffb3,0 10px 24px #4637a029;animation:float 4s ease-in-out infinite;flex:none}.avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#f0edff,#e4ddff);font-size:24px;flex:none}.avatar-sm{width:38px;height:38px;font-size:20px}.avatar-btn{border:2px solid rgba(108,92,231,.18);padding:0;font-size:21px}.profile-list{display:flex;flex-direction:column;gap:9px;margin-bottom:16px}.profile-row{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:16px;border:1.5px solid var(--line);background:var(--surface);text-align:left;transition:border-color .15s,background .15s}.profile-row:hover{border-color:var(--line-strong)}.profile-row.active{border-color:#6c5ce76b;background:var(--primary-soft)}.profile-info{display:flex;flex-direction:column;flex:1;min-width:0}.profile-info strong{font-size:14.5px}.profile-info small{font-size:11.5px;color:var(--muted)}.profile-current{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;color:var(--primary-dark)}.profile-level{display:flex;align-items:center;gap:14px;padding:14px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line)}.profile-level strong{font-size:14px}.profile-level p{color:var(--muted);font-size:12px;margin-top:3px}.profile-actions{margin-top:16px}.offline-banner,.install-banner{display:flex;align-items:center;gap:10px;margin:10px 20px 0;padding:10px 14px;border-radius:14px;font-size:12px;font-weight:600}.offline-banner{background:var(--danger-soft);color:#a93242}.install-banner{background:linear-gradient(120deg,#efecff,#f9f7ff);border:1px solid rgba(108,92,231,.16);color:var(--ink-soft)}.install-banner div{flex:1}.install-banner strong{display:block;font-size:12.5px}.install-banner p{font-size:11px;color:var(--muted)}.install-emoji{font-size:22px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{box-shadow:0 0 #6c5ce74d}50%{box-shadow:0 0 0 7px #6c5ce700}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes toastIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(3px)}30%,50%,70%{transform:translate(-5px)}40%,60%{transform:translate(5px)}}@keyframes confettiFall{0%{opacity:0;transform:translate3d(0,-12vh,0) rotate(0)}8%{opacity:1}to{opacity:0;transform:translate3d(var(--drift),105vh,0) rotate(var(--rot))}}@keyframes reveal{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;z-index:280;pointer-events:none;overflow:hidden}.confetti span{position:absolute;top:0;animation-name:confettiFall;animation-timing-function:cubic-bezier(.25,.6,.4,1);animation-fill-mode:both}.anim-up{animation:fadeUp .35s ease both}@media (max-width: 899px){.sidebar{display:none}.mobile-topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;position:sticky;top:0;z-index:45;background:#f5f4ffe0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,229,245,.7)}.mobile-topbar .logo{padding:0;gap:8px}.mobile-topbar .logo-mark{width:36px;height:36px;border-radius:12px;font-size:20px}.mobile-topbar .logo-text strong{font-size:16.5px}.mobile-topbar .logo-text small{display:none}.topbar-right{display:flex;align-items:center;gap:6px}.mini-stat{display:inline-flex;align-items:center;gap:3px;font-size:12px;font-weight:800;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:5px 8px}.mini-stat svg{color:var(--sun)}.mini-stat.coin svg{color:var(--sun)}.mini-stat.offline{color:var(--danger)}.mini-stat.offline svg{color:var(--danger)}.mobile-topbar .avatar-btn{width:37px;height:37px;font-size:19px}.page-content{padding:20px 16px 96px;max-width:720px}.bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:100;padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:#fffffff0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid rgba(232,229,245,.9);box-shadow:0 -10px 30px #3c2d8212}.bottom-link{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10.5px;font-weight:700;color:#8d8aa4;padding:3px 0;border-radius:12px;transition:color .15s}.bottom-icon{display:grid;place-items:center;width:40px;height:27px;border-radius:10px;transition:background .15s,color .15s,transform .15s}.bottom-link.active{color:var(--primary-dark)}.bottom-link.active .bottom-icon{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px)}.toast-stack{bottom:84px}.page-head{margin-bottom:18px}.page-head h1{font-size:24px}.page-head-actions{flex-wrap:nowrap;flex-shrink:0}.page-head-actions .icon-btn{width:34px;height:34px;border-radius:10px}.page-head-actions .btn{padding:8px 11px;font-size:12px}.page-head-actions .btn span{display:none}.form-row{grid-template-columns:1fr}.modal{max-height:92vh;border-radius:24px}.modal-head{padding:18px 18px 10px}.modal-body{padding:6px 18px 18px}.modal-foot{padding:12px 18px calc(16px + env(safe-area-inset-bottom))}.offline-banner,.install-banner{margin:8px 12px 0}}@media (min-width: 900px){.page-content{padding-top:38px}}.muted-text{color:var(--muted);font-size:12.5px}.error-text{color:var(--danger);font-size:12.5px;font-weight:600;margin-top:6px}.danger-copy{color:#a93242}.count-badge{display:inline-grid;place-items:center;min-width:24px;height:24px;padding:0 7px;border-radius:8px;background:var(--primary-soft);color:var(--primary-dark);font-size:12px;vertical-align:middle}.hero{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:30px 32px 24px;color:#fff;background:linear-gradient(125deg,#6a55e6,#7c6cf0 45%,#9a7cf5);box-shadow:0 24px 50px #5646cd47}.hero-deco{position:absolute;border-radius:50%;pointer-events:none}.hero-deco-1{width:260px;height:260px;right:-90px;top:-110px;background:#ffffff1f}.hero-deco-2{width:150px;height:150px;right:150px;bottom:-90px;background:#ffc94d2e}.hero-deco-3{width:60px;height:60px;left:42%;top:18px;background:#35d0a533}.hero-main{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.hero-kicker{display:inline-block;font-size:12.5px;font-weight:700;background:#ffffff29;padding:5px 11px;border-radius:999px;margin-bottom:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hero h1{font-size:clamp(28px,4vw,42px);letter-spacing:-.03em;line-height:1.18}.hero-greet p{margin-top:10px;font-size:13.5px;color:#ffffffd1;max-width:440px}.hero-mascot{position:relative;flex:none;display:flex;flex-direction:column;align-items:center;gap:8px;padding-right:6px}.hero-bubble{background:#fff;color:var(--primary-dark);font-size:11.5px;font-weight:700;padding:7px 11px;border-radius:12px;box-shadow:0 8px 20px #28196e2e;white-space:nowrap;max-width:180px;white-space:normal;text-align:center}.hero-bottom{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);flex-wrap:wrap}.hero-level{display:flex;align-items:center;gap:10px}.hero-level-title{font-size:13px;font-weight:800}.hero-level-sub{font-size:11px;color:#ffffffb8}.hero-actions{display:flex;gap:9px;flex-wrap:wrap}.btn-hero-ghost{background:#ffffff24;color:#fff;border:1px solid rgba(255,255,255,.28);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.btn-hero-ghost:hover{background:#ffffff38}.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin-top:18px}.stats-row.three{grid-template-columns:repeat(3,minmax(0,1fr))}.newbie-card{margin-top:22px;padding:20px 22px;background:linear-gradient(120deg,#fff,#f7f4ff);border:1px solid rgba(108,92,231,.16)}.newbie-head{display:flex;gap:13px;align-items:flex-start}.newbie-emoji{font-size:30px}.newbie-head h2{font-size:17px}.newbie-head p{font-size:12.5px;color:var(--muted);margin-top:3px}.newbie-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.newbie-steps button{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:13px;border-radius:15px;border:1px solid var(--line);background:#ffffffb3;text-align:left;transition:transform .15s,box-shadow .15s}.newbie-steps button:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.newbie-steps button>span{width:23px;height:23px;border-radius:8px;display:grid;place-items:center;background:var(--primary);color:#fff;font-size:12px;font-weight:800;margin-bottom:3px}.newbie-steps strong{font-size:12.5px}.newbie-steps small{font-size:11px;color:var(--muted)}.quest-card{margin-top:22px;padding:20px 22px}.quest-list{display:flex;flex-direction:column;gap:10px}.quest-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:15px;background:var(--surface-2);border:1px solid var(--line)}.quest-row.done{background:linear-gradient(120deg,#edfbf6,#f7fffc);border-color:#18bd9340}.quest-icon{font-size:22px;width:36px;height:36px;display:grid;place-items:center;background:#fff;border-radius:11px;box-shadow:var(--shadow-sm);flex:none}.quest-info{flex:1;min-width:0}.quest-title{display:flex;justify-content:space-between;gap:8px;font-size:12.5px}.quest-title strong{font-size:13px}.quest-title span{color:var(--muted);font-size:11.5px;font-variant-numeric:tabular-nums}.quest-progress{height:6px;border-radius:99px;background:#e9e5f7;margin-top:6px;overflow:hidden}.quest-progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),#9d8bff);transition:width .4s ease}.quest-row.done .quest-progress span{background:linear-gradient(90deg,var(--mint),#59e0be)}.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}.quick-card{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:16px;border-radius:18px;border:1px solid var(--line);background:var(--surface);text-align:left;transition:transform .16s,box-shadow .16s;position:relative;overflow:hidden}.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.quick-card:after{content:"";position:absolute;width:70px;height:70px;border-radius:50%;right:-24px;bottom:-30px;background:currentColor;opacity:.07}.quick-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;margin-bottom:6px;background:var(--primary-soft);color:var(--primary)}.quick-card strong{font-size:13.5px}.quick-card small{font-size:11px;color:var(--muted)}.quick-coral .quick-icon{background:var(--coral-soft);color:#d94d4d}.quick-indigo .quick-icon{background:var(--primary-soft);color:var(--primary)}.quick-mint .quick-icon{background:var(--mint-soft);color:var(--mint-dark)}.quick-sun .quick-icon{background:var(--sun-soft);color:#a27400}.set-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.set-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s;min-width:0}.set-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.set-card-link{display:block;flex:1}.set-cover{position:relative;height:88px;display:flex;align-items:center;justify-content:space-between;padding:12px 15px;background:linear-gradient(135deg,#efeaff,#e2dbff)}.set-cover-emoji{font-size:34px;filter:drop-shadow(0 4px 8px rgba(60,40,130,.12))}.set-cover-count{align-self:flex-start;font-size:10.5px;font-weight:800;padding:3px 8px;border-radius:999px;background:#ffffffb8;color:var(--ink-soft);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.set-best{position:absolute;right:14px;bottom:10px;font-size:11px;font-weight:800;padding:3px 8px;border-radius:8px;background:#fff;color:var(--primary-dark);box-shadow:0 4px 10px #3c288224}.set-best.great{color:var(--mint-dark)}.subject-chinese .set-cover,.subject-chinese.set-hero{background:linear-gradient(135deg,#ffe9e0,#ffd4c8)}.subject-english .set-cover,.subject-english.set-hero{background:linear-gradient(135deg,#e3f1ff,#cbe3ff)}.subject-mandarin .set-cover,.subject-mandarin.set-hero{background:linear-gradient(135deg,#e1fbf3,#c4f4e5)}.subject-mixed .set-cover,.subject-mixed.set-hero{background:linear-gradient(135deg,#f0eaff,#e0d7ff)}.set-body{padding:12px 15px 10px}.set-title{font-size:14px;font-weight:800;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:37px}.set-meta{display:flex;align-items:center;gap:7px;margin-top:7px;flex-wrap:wrap}.set-subject{font-size:10.5px;color:var(--muted);font-weight:600}.set-foot{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:0 13px 12px}.set-play{flex:1}.home-two-col{display:grid;grid-template-columns:1.2fr 1fr;gap:16px;margin-top:30px}.attempt-list{display:flex;flex-direction:column;gap:3px}.attempt-row{display:flex;align-items:center;gap:10px;width:100%;padding:9px 8px;border:0;border-radius:12px;background:transparent;text-align:left;transition:background .15s}button.attempt-row:hover{background:var(--surface-2)}.attempt-row.static{cursor:default}.attempt-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--primary-soft);font-size:16px;flex:none}.attempt-info{display:flex;flex-direction:column;flex:1;min-width:0}.attempt-info strong{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attempt-info small{font-size:10.5px;color:var(--muted)}.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.badge-grid.small{grid-template-columns:repeat(4,1fr);margin-top:12px}.badge{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);opacity:.48;filter:grayscale(.9)}.badge.earned{opacity:1;filter:none;background:linear-gradient(140deg,#fff9e3,#fff3c9);border-color:#ffe6a3}.badge-icon{font-size:19px}.badge-name{font-size:9.5px;font-weight:700;text-align:center;color:var(--ink-soft);line-height:1.2}.filter-bar{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.search-box{display:flex;align-items:center;gap:9px;padding:0 12px;height:44px;border-radius:13px;border:1.5px solid var(--line);background:var(--surface-2);color:var(--muted)}.search-box:focus-within{border-color:#6c5ce780;background:#fff;box-shadow:0 0 0 4px #6c5ce714}.search-input{flex:1;border:0;background:transparent;min-width:0;font-size:13.5px}.search-input:focus{outline:none}.filter-chips{display:flex;gap:6px;flex-wrap:wrap}.filter-chip{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:12px;font-weight:700;color:var(--muted);transition:all .15s}.filter-chip:hover{border-color:var(--line-strong);color:var(--ink-soft)}.filter-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.library-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:14px 2px 12px;font-size:12px;color:var(--muted);flex-wrap:wrap}.library-meta .muted-text{display:inline-flex;align-items:center;gap:4px}.add-set-card{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:2px dashed rgba(108,92,231,.32);border-radius:20px;background:#ffffff8c;color:var(--primary-dark);text-align:center;padding:18px;transition:background .15s,border-color .15s}.add-set-card:hover{background:var(--primary-soft);border-color:var(--primary)}.add-set-icon{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;background:var(--primary-soft);margin-bottom:4px}.add-set-card strong{font-size:14px}.add-set-card small{font-size:11px;color:var(--muted)}.set-hero{border-radius:var(--radius);padding:22px 24px;border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow-sm)}.set-hero-main{display:flex;gap:15px;align-items:flex-start}.set-hero-emoji{font-size:46px;line-height:1;flex:none}.set-hero-chips{display:flex;gap:6px;flex-wrap:wrap}.set-hero-desc{margin-top:9px;font-size:13px;color:var(--ink-soft)}.set-hero-stats{display:flex;gap:34px;margin-top:18px;flex-wrap:wrap}.set-hero-stats div{display:flex;flex-direction:column}.set-hero-stats strong{font-size:21px;font-weight:800}.set-hero-stats span{font-size:11px;color:var(--muted)}.set-hero-actions{display:flex;gap:9px;margin-top:18px;flex-wrap:wrap}.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mode-card{display:flex;align-items:center;gap:12px;padding:15px;border-radius:17px;border:1px solid var(--line);background:var(--surface);text-align:left;transition:transform .16s,box-shadow .16s,border-color .16s;min-width:0}.mode-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:var(--line-strong)}.mode-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);flex:none}.mode-text{display:flex;flex-direction:column;flex:1;min-width:0}.mode-text strong{font-size:13.5px}.mode-text small{font-size:11px;color:var(--muted);line-height:1.4}.mode-arrow{color:#bbb7cc;flex:none}.mode-sky .mode-icon{background:var(--sky-soft);color:#1784c2}.mode-coral .mode-icon{background:var(--coral-soft);color:#d94d4d}.mode-sun .mode-icon{background:var(--sun-soft);color:#a27400}.mode-mint .mode-icon{background:var(--mint-soft);color:var(--mint-dark)}.mode-violet .mode-icon{background:#f2eaff;color:#8b5cf6}.item-list{overflow:hidden}.item-row{display:flex;align-items:center;gap:12px;padding:12px 15px;border-bottom:1px solid var(--line)}.item-row:last-child{border-bottom:0}.item-index{width:27px;height:27px;border-radius:9px;display:grid;place-items:center;background:var(--surface-2);color:var(--muted);font-size:10.5px;font-weight:800;flex:none;font-variant-numeric:tabular-nums}.item-text{flex:1;font-size:14.5px;font-weight:600;line-height:1.5;min-width:0;word-break:break-word}.item-actions{display:flex;gap:5px;flex:none}.qr-box{text-align:center}.qr-box img{width:min(320px,100%);border-radius:18px;border:1px solid var(--line);background:#fff;padding:10px}.qr-box .hint{margin-top:10px}.qr-code-text{display:flex;align-items:center;gap:8px;margin-top:12px;padding:9px 10px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}.qr-code-text code{flex:1;font-size:10.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}.create-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}.create-main{display:flex;flex-direction:column;gap:16px;min-width:0}.create-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:22px}.segmented{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line)}.seg-btn{flex:1;min-width:48px;padding:7px 9px;border:0;border-radius:10px;background:transparent;font-size:12px;font-weight:700;color:var(--muted);transition:background .15s,color .15s,box-shadow .15s;white-space:nowrap}.seg-btn:hover{color:var(--ink-soft)}.seg-btn.active{background:#fff;color:var(--primary-dark);box-shadow:0 3px 10px #3c28821f}.source-tabs{display:flex;gap:4px;padding:4px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);margin-bottom:15px}.source-tabs button{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 8px;border:0;border-radius:10px;background:transparent;font-size:12.5px;font-weight:700;color:var(--muted)}.source-tabs button.active{background:#fff;color:var(--primary-dark);box-shadow:0 3px 10px #3c28821a}.source-panel{margin-bottom:14px}.dropzone{width:100%;min-height:160px;border:2px dashed rgba(108,92,231,.3);border-radius:18px;background:linear-gradient(145deg,#fbfaff,#f5f2ff);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:18px;text-align:center;color:var(--ink-soft);transition:border-color .15s,background .15s}.dropzone:hover{border-color:var(--primary);background:var(--primary-soft)}.dropzone strong{font-size:14px}.dropzone small{font-size:11.5px;color:var(--muted);max-width:420px}.dropzone-icon{width:55px;height:55px;border-radius:17px;display:grid;place-items:center;background:#fff;color:var(--primary);box-shadow:var(--shadow-sm);margin-bottom:4px}.ocr-preview{max-height:230px;max-width:100%;border-radius:12px;object-fit:contain}.progress-box{margin-top:12px}.progress-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;font-weight:700;color:var(--muted)}.progress-track{height:8px;border-radius:99px;background:#ece8f8;overflow:hidden;position:relative}.progress-track>span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),#a18dff);transition:width .3s ease}.progress-box .progress-track{margin-top:7px}.field-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.split-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}.item-editor{display:flex;flex-direction:column;gap:8px;max-height:430px;overflow-y:auto;padding-right:4px}.item-edit-row{display:flex;align-items:center;gap:8px}.item-edit-row .input{flex:1;min-width:0;padding:9px 11px;font-size:13.5px}.mini-empty{display:flex;align-items:center;gap:10px;padding:18px;border-radius:14px;background:var(--surface-2);border:1px dashed var(--line-strong);color:var(--muted);font-size:12.5px}.fill-preview-list{display:flex;flex-direction:column;gap:8px}.fill-preview{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);font-size:13px;flex-wrap:wrap}.tips-card h3{font-size:15px;margin-bottom:7px}.tips-card ul{margin:0;padding-left:16px;color:var(--muted);font-size:12px;line-height:1.75}.step-list{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:8px}.step-list li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}.step-list li>span{width:23px;height:23px;border-radius:8px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);font-size:11px;font-weight:800}.step-list li.done{color:var(--ink)}.step-list li.done>span{background:var(--mint-soft);border-color:transparent;color:var(--mint-dark)}.practice-hero{padding:22px 24px;background:linear-gradient(120deg,#fff,#f3efff);border:1px solid rgba(108,92,231,.16)}.practice-hero-main{display:flex;gap:18px;align-items:center}.practice-hero h2{font-size:20px}.practice-hero p{color:var(--muted);font-size:13px;margin-top:5px}.practice-hero-actions{display:flex;gap:8px;margin-top:13px;flex-wrap:wrap}.practice-mode-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.review-cta{display:flex;align-items:center;gap:14px;padding:18px 20px;background:linear-gradient(120deg,#fff8f5,#fff);border-color:#ff6b6b2e;flex-wrap:wrap}.review-cta-icon{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;background:var(--coral-soft);font-size:25px;flex:none}.review-cta-text{flex:1;min-width:200px}.review-cta-text strong{font-size:14.5px}.review-cta-text p{font-size:12px;color:var(--muted);margin-top:2px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tool-card{display:flex;flex-direction:column;gap:3px;padding:17px;border-radius:18px;border:1px solid var(--line);background:var(--surface);transition:transform .15s,box-shadow .15s}.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.tool-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);margin-bottom:6px}.tool-card strong{font-size:13.5px}.tool-card small{font-size:11px;color:var(--muted)}.tool-indigo .tool-icon{background:var(--primary-soft);color:var(--primary)}.tool-sky .tool-icon{background:var(--sky-soft);color:#1784c2}.tool-mint .tool-icon{background:var(--mint-soft);color:var(--mint-dark)}.tool-coral .tool-icon{background:var(--coral-soft);color:#d94d4d}.player-setup,.answer-setup{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}.player-guide h3{font-size:15px;margin-bottom:8px}.player-guide ol{margin:0;padding-left:18px;color:var(--muted);font-size:12.5px;line-height:1.8}.guide-tip{display:flex;gap:8px;align-items:flex-start;margin-top:14px;padding:10px 11px;border-radius:12px;background:var(--sun-soft);color:#7a6420;font-size:11.5px;line-height:1.5}.setting-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:6px 0 18px}.compact-grid{gap:10px}.setting-block{padding:13px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}.setting-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:8px}.setting-label strong{color:var(--primary-dark);font-size:12px}.range{width:100%;accent-color:var(--primary);height:24px}.range-marks{display:flex;justify-content:space-between;font-size:9.5px;color:var(--muted);margin-top:2px}.option-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:16px}.setup-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:8px}.setup-actions .btn-primary{margin-left:auto}.center-hint{text-align:center;margin-top:10px}.warn-text{color:#a27400}.countdown-screen{min-height:62vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:7px}.countdown-orb{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;font-size:70px;font-weight:800;color:#fff;background:linear-gradient(140deg,#7c6cf0,#5a46d6);box-shadow:0 24px 60px #5646cd59,inset 0 0 0 10px #ffffff1f;animation:popIn .3s ease both;margin-bottom:12px}.countdown-screen h2{font-size:24px}.countdown-screen p{color:var(--muted);margin-bottom:12px}.player-stage{max-width:720px;margin:0 auto}.player-progress{margin-bottom:16px}.player-progress-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px;font-size:12.5px;font-weight:700;color:var(--muted)}.player-card{position:relative;overflow:hidden;border-radius:30px;padding:30px 28px 24px;text-align:center;background:radial-gradient(circle at 85% 10%,rgba(255,201,77,.22),transparent 30%),linear-gradient(145deg,#fff,#f7f4ff);border:1px solid rgba(108,92,231,.16);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:10px}.player-card.paused{background:linear-gradient(145deg,#fff,#fff8e8)}.player-secret{font-size:clamp(24px,5vw,38px);font-weight:800;line-height:1.5;letter-spacing:.02em;min-height:72px;display:flex;align-items:center;justify-content:center;word-break:break-word;padding:0 8px}.player-secret.blurred{filter:blur(15px);-webkit-user-select:none;user-select:none;opacity:.65}.player-secret.revealed{animation:reveal .25s ease}.secret-hint{font-size:11.5px;color:var(--muted);margin-top:-6px}.big-speak{width:76px;height:76px;border-radius:50%;border:0;display:grid;place-items:center;color:#fff;background:linear-gradient(140deg,#7c6cf0,#5a46d6);box-shadow:0 14px 30px #5646cd4d;transition:transform .15s,box-shadow .15s;margin-top:4px}.big-speak:hover{transform:scale(1.05)}.big-speak:active{transform:scale(.94)}.player-status{font-size:12.5px;color:var(--muted)}.player-controls{display:flex;align-items:center;justify-content:center;gap:9px;margin-top:16px;flex-wrap:wrap}.ctrl-btn{display:flex;flex-direction:column;align-items:center;gap:2px;width:76px;padding:9px 6px;border-radius:15px;border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);font-size:10.5px;font-weight:700;transition:transform .15s,background .15s,box-shadow .15s}.ctrl-btn:hover:not(:disabled){background:var(--surface-2);transform:translateY(-1px)}.ctrl-btn:disabled{opacity:.35;cursor:not-allowed}.ctrl-btn.primary{background:linear-gradient(135deg,#7c6cf0,#5f4de0);border-color:transparent;color:#fff;box-shadow:0 10px 22px #5f4de03d;width:86px}.player-extra{display:flex;justify-content:center;gap:8px;margin-top:14px;flex-wrap:wrap}.peek-btn.active{background:var(--primary-soft);color:var(--primary-dark)}.compact-controls{margin-top:14px}.compact-controls .ctrl-btn{flex-direction:row;width:auto;gap:6px;padding:9px 15px}.done-stage{max-width:700px;margin:0 auto;position:relative}.done-card{padding:34px 30px;text-align:center;background:linear-gradient(150deg,#fff,#fbf9ff);border:1px solid rgba(108,92,231,.14);display:flex;flex-direction:column;align-items:center;gap:7px}.done-card h2{font-size:27px;letter-spacing:-.02em}.done-sub{color:var(--muted);font-size:13px}.done-rewards{display:flex;gap:10px;justify-content:center;margin:14px 0 4px;flex-wrap:wrap}.done-rewards>div{display:flex;flex-direction:column;align-items:center;gap:1px;min-width:82px;padding:11px 13px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}.done-rewards span{font-size:19px}.done-rewards strong{font-size:17px;color:var(--primary-dark)}.done-rewards small{font-size:10px;color:var(--muted)}.done-rewards.compact{margin:6px 0 0;justify-content:flex-start}.done-rewards.compact>div{min-width:66px;padding:7px 10px;flex-direction:row;gap:5px}.done-rewards.compact span{font-size:15px}.done-rewards.compact strong{font-size:14px}.done-rewards.compact small{align-self:center}.done-next{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);width:100%}.done-next h3{font-size:15px}.done-next p{color:var(--muted);font-size:12.5px;margin-top:4px}.done-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}.score-head{display:flex;align-items:center;gap:22px;text-align:left;width:100%;flex-wrap:wrap;justify-content:center}.score-head h2{font-size:23px}.score-head p{color:var(--muted);font-size:12.5px;margin-top:4px}.ring-sub{display:block;font-size:10px;color:var(--muted);font-weight:600}.answer-stage,.write-stage,.mask-stage{max-width:780px;margin:0 auto}.answer-progress{margin-bottom:14px}.question-card{padding:24px;border:2px solid transparent;transition:border-color .2s,box-shadow .2s}.question-card.is-correct{border-color:#18bd9380;box-shadow:0 0 0 5px #18bd9314}.question-card.is-wrong{border-color:#e64c5c6b;box-shadow:0 0 0 5px #e64c5c0f}.question-top{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:14px}.setup-emoji{font-size:34px}.fill-gen-box{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 14px;border-radius:15px;background:linear-gradient(120deg,#f7f4ff,#fff);border:1px solid rgba(108,92,231,.16);margin-bottom:15px;flex-wrap:wrap}.fill-gen-box strong{font-size:13px}.fill-gen-actions{display:flex;gap:6px;flex-wrap:wrap}.plain-list{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:12.5px;line-height:1.8}.listen-prompt{display:flex;align-items:center;gap:16px;padding:8px 0 18px}.listen-prompt h2{font-size:20px}.listen-prompt p{margin:3px 0 10px}.fill-prompt{padding:6px 0 18px}.fill-label{font-size:12px;color:var(--muted);margin-bottom:7px}.fill-sentence{font-size:clamp(19px,3.5vw,26px);font-weight:700;line-height:1.8;word-break:break-word}.blank-box{display:inline-block;min-width:52px;height:1.3em;margin:0 4px;border-bottom:3px solid var(--primary);vertical-align:-.15em;background:linear-gradient(to bottom,transparent 55%,rgba(108,92,231,.08) 55%);border-radius:2px}.fill-prompt .speak-btn{margin-top:10px}.answer-input-row{display:flex;gap:8px;align-items:stretch}.answer-input{flex:1;min-width:0;font-size:17px;padding:13px 15px;font-weight:600}.answer-input-row .btn{flex:none}.feedback{margin-top:18px;padding:16px;border-radius:17px;animation:fadeUp .25s ease}.feedback-correct{background:linear-gradient(130deg,#edfcf7,#f8fffc);border:1px solid rgba(24,189,147,.28)}.feedback-wrong{background:linear-gradient(130deg,#fff5f5,#fffaf9);border:1px solid rgba(255,107,107,.26)}.feedback-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}.feedback-icon{font-size:19px}.feedback-head strong{font-size:14px}.diff-box{display:flex;flex-direction:column;gap:6px;padding:11px 12px;border-radius:12px;background:#ffffffb3;border:1px solid rgba(255,255,255,.9)}.diff-row{display:flex;gap:9px;font-size:13px;line-height:1.7;flex-wrap:wrap}.diff-label{flex:none;width:66px;font-size:11px;font-weight:700;color:var(--muted);padding-top:2px}.diff-text{flex:1;min-width:0;word-break:break-word}.diff-ok{color:var(--ink)}.diff-missing{color:var(--danger);background:#e64c5c1a;border-radius:4px;text-decoration:line-through;text-decoration-thickness:2px;padding:0 1px}.diff-extra{color:#b56500;background:#ffc94d3d;border-radius:4px;padding:0 1px}.memory-box{margin-top:11px;padding:12px 13px;border-radius:13px;background:#fff7dabf;border:1px solid rgba(240,175,20,.22)}.memory-box-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px;flex-wrap:wrap}.memory-box-head>span{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:800;color:#8a6400}.memory-box p{font-size:12.5px;line-height:1.75;color:var(--ink-soft)}.feedback-source{margin-top:8px;font-size:11.5px;color:var(--muted)}.answer-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}.wrong-summary{width:100%;text-align:left;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.wrong-summary h3{font-size:14px;margin-bottom:8px}.wrong-summary-row{display:flex;justify-content:space-between;gap:10px;padding:8px 10px;border-radius:10px;background:var(--surface-2);margin-bottom:5px;font-size:12.5px;flex-wrap:wrap}.wrong-expected{font-weight:700}.wrong-actual{color:var(--danger)}.write-prompt{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;margin-bottom:13px;flex-wrap:wrap}.write-prompt-main{display:flex;align-items:center;gap:13px;min-width:0}.write-prompt-label{font-size:11.5px;color:var(--muted);font-weight:700}.write-prompt-text{font-size:clamp(20px,3.6vw,28px);font-weight:800;line-height:1.5;margin:2px 0;word-break:break-word}.write-prompt-text.hidden{letter-spacing:.18em;color:#b9b4d2}.write-prompt-text.revealed{color:var(--primary-dark);animation:reveal .25s ease}.write-prompt-actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.canvas-card{padding:13px}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:2px 2px 10px;flex-wrap:wrap}.canvas-tools{display:flex;gap:5px}.handwriting-wrap{position:relative;width:100%;aspect-ratio:4 / 3;border-radius:16px;overflow:hidden;border:1.5px solid var(--line);background:#fff;touch-action:none}.paper-grid{background-color:#fff;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cpath d='M0 0h100v100H0z' fill='none' stroke='%236c5ce7' stroke-opacity='.22'/%3E%3Cpath d='M50 0v100M0 50h100' stroke='%236c5ce7' stroke-opacity='.14' stroke-dasharray='5 5'/%3E%3C/svg%3E");background-size:25% 33.333%}.paper-lines{background-color:#fff;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cpath d='M0 16h100M0 34h100M0 66h100M0 84h100' fill='none' stroke='%232fa9ee' stroke-opacity='.28' stroke-width='1.2'/%3E%3Cpath d='M0 34h100M0 66h100' stroke='%23ff6b6b' stroke-opacity='.35' stroke-width='1' stroke-dasharray='3 4'/%3E%3C/svg%3E");background-size:100% 33.333%}.paper-plain{background:#fff}.handwriting-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:none;cursor:crosshair}.self-mark{margin-top:13px;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;animation:fadeUp .25s ease}.self-mark-model{flex:1;min-width:220px}.self-mark-model strong{display:block;font-size:21px;margin:2px 0 5px}.self-mark-actions{display:flex;gap:8px;flex-wrap:wrap}.mask-card{padding:24px}.mask-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;flex-wrap:wrap}.mask-text{display:flex;flex-wrap:wrap;align-items:center;gap:5px;min-height:110px;padding:10px 0}.mask-char{display:inline-grid;place-items:center;min-width:38px;height:52px;padding:0 5px;border-radius:10px;font-size:25px;font-weight:800;line-height:1}.mask-char.shown{color:var(--ink)}.mask-char.peeked{color:var(--mint-dark);background:var(--mint-soft);animation:popIn .18s ease}.mask-char.hidden{border:1.5px dashed rgba(108,92,231,.35);background:var(--primary-soft);color:var(--primary);cursor:pointer;font-size:17px}.mask-char.hidden:hover{background:#e3ddff}.mask-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:12px;padding-top:14px;border-top:1px solid var(--line)}.level-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-bottom:16px}.level-card{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:13px;border-radius:15px;border:1.5px solid var(--line);background:var(--surface);text-align:left;transition:all .15s}.level-card:hover{border-color:var(--line-strong)}.level-card.active{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 3px #6c5ce714}.level-badge{font-size:10px;font-weight:800;color:var(--primary-dark);background:#fff;border-radius:6px;padding:2px 6px;margin-bottom:3px}.level-card strong{font-size:12.5px}.level-card small{font-size:10.5px;color:var(--muted);line-height:1.4}.preview-mask{display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line);margin-bottom:15px;flex-wrap:wrap}.mask-preview-text{display:flex;flex-wrap:wrap;gap:3px;font-size:17px;font-weight:700}.mask-cell{display:inline-grid;place-items:center;min-width:24px;height:29px;border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:12px}.photo-drop{min-height:230px}.grade-explain{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:16px}.grade-explain>div{display:flex;flex-direction:column;align-items:center;gap:2px;padding:11px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line);text-align:center}.grade-explain span{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:var(--primary);color:#fff;font-size:11px;font-weight:800;margin-bottom:2px}.grade-explain strong{font-size:12px}.grade-explain small{font-size:10px;color:var(--muted)}.grade-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}.photo-frame{border-radius:16px;overflow:hidden;background:#f1eef9;border:1px solid var(--line)}.photo-frame img{width:100%;max-height:60vh;object-fit:contain;display:block}.photo-actions{display:flex;gap:7px;margin-top:11px;flex-wrap:wrap}.grade-side{position:sticky;top:20px;display:flex;flex-direction:column;gap:9px}.grade-side h3{font-size:16px}.grade-note{display:flex;gap:7px;align-items:flex-start;padding:9px 10px;border-radius:11px;background:var(--surface-2);border:1px solid var(--line);font-size:10.5px;color:var(--muted);line-height:1.5;margin-top:5px}.grading-screen{max-width:560px;margin:0 auto;padding:22px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.grading-photo{position:relative;width:100%;border-radius:14px;overflow:hidden;max-height:400px;background:#f1eef9}.grading-photo img{width:100%;max-height:400px;object-fit:contain;display:block;opacity:.75}.scan-line{position:absolute;left:0;right:0;height:3px;top:0;background:linear-gradient(90deg,transparent,#35d0a5,transparent);box-shadow:0 0 18px #35d0a5cc;animation:scanLine 2.2s ease-in-out infinite}@keyframes scanLine{0%,to{top:6%}50%{top:92%}}.grade-result-top{display:grid;grid-template-columns:270px minmax(0,1fr);gap:14px;align-items:start}.grade-score{padding:18px;display:flex;align-items:center;gap:14px}.grade-score h2{font-size:17px}.grade-score p{color:var(--muted);font-size:11.5px;margin-top:2px}.overall-comment{color:var(--primary-dark)!important;font-style:italic;margin-top:5px!important;font-size:11px!important}.grade-photo-wrap{position:relative;padding:8px;overflow:hidden}.grade-photo-wrap img{width:100%;display:block;border-radius:12px}.red-mark{position:absolute;border:3px solid #e11d48;border-radius:48% 52% 55% 45%/50% 45% 55% 50%;box-shadow:0 0 0 1px #fff9,0 0 14px #e11d483d;transform:rotate(-3deg);pointer-events:none;animation:popIn .35s ease both;min-width:22px;min-height:18px}.red-mark-label{position:absolute;right:-10px;top:-12px;width:22px;height:22px;border-radius:50%;background:#e11d48;color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;box-shadow:0 3px 8px #e11d4859}.grade-list{display:flex;flex-direction:column;gap:9px;margin-top:14px}.grade-row{padding:13px 15px;border-left:4px solid var(--mint)}.grade-row.wrong{border-left-color:var(--coral)}.grade-row-head{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.grade-status{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;flex:none}.grade-status.good{background:var(--mint-soft);color:var(--mint-dark)}.grade-status.bad{background:var(--coral-soft);color:#c74848}.grade-index{font-size:11px;color:var(--muted);font-weight:700}.grade-toggle{display:flex;gap:4px;margin-left:auto}.grade-row-body{margin-top:8px;display:flex;flex-direction:column;gap:7px}.grade-row-body>div:not(.grade-memory){display:flex;flex-direction:column;gap:1px}.grade-expected{font-size:16px;font-weight:800}.grade-found{font-size:15px;font-weight:700;color:var(--mint-dark)}.grade-found.bad{color:#c74848}.found-hint{font-size:10.5px;font-weight:500;color:var(--muted);margin-left:4px}.grade-reason{font-size:12.5px;color:var(--ink-soft);line-height:1.6;padding:8px 10px;border-radius:9px;background:var(--surface-2)}.grade-memory .memory-box{margin-top:7px}.grade-save{margin-top:14px;padding:15px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.grade-save strong{font-size:13.5px}.saved-reward{display:flex;gap:14px;justify-content:center;margin-top:12px;font-size:13px;font-weight:800;color:var(--primary-dark);flex-wrap:wrap}.filter-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.filter-select{width:auto;min-width:150px;padding:8px 11px;font-size:12px}.wrong-list{display:flex;flex-direction:column;gap:9px;margin-top:14px}.wrong-card{display:flex;gap:14px;padding:15px 17px;align-items:flex-start;border-left:4px solid var(--coral)}.wrong-card.mastered{border-left-color:var(--mint);opacity:.82}.wrong-main{flex:1;min-width:0}.wrong-word-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.wrong-word{font-size:19px;font-weight:800;word-break:break-word}.wrong-meta{display:flex;align-items:center;gap:5px;margin-top:3px;font-size:10.5px;color:var(--muted);flex-wrap:wrap}.wrong-meta a{color:var(--primary-dark);font-weight:700}.mastery-row{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}.mastery-track{flex:1;min-width:100px;height:6px;border-radius:99px;background:#ece8f8;overflow:hidden}.mastery-track span{display:block;height:100%;background:linear-gradient(90deg,var(--mint),#5ce1c0);border-radius:99px}.wrong-tip{margin-top:7px;font-size:11.5px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.wrong-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end;flex:none}.review-intro{display:flex;flex-direction:column;gap:16px}.review-intro-card{display:flex;gap:22px;align-items:center}.review-intro-card h2{font-size:22px}.review-intro-card>div>p{color:var(--muted);font-size:13px;margin-top:6px;max-width:620px}.review-rules{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}.review-rules>div{display:flex;flex-direction:column;gap:1px;padding:10px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}.review-rules span{width:21px;height:21px;border-radius:7px;display:grid;place-items:center;background:var(--primary);color:#fff;font-size:10px;font-weight:800;margin-bottom:2px}.review-rules strong{font-size:12px}.review-rules small{font-size:10px;color:var(--muted)}.review-preview{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.review-prompt{text-align:center;padding:12px 0 18px}.review-prompt h2{font-size:20px}.review-prompt p{margin-top:4px}.review-hint{display:inline-block;margin-top:8px;padding:5px 11px;border-radius:9px;background:var(--sun-soft);color:#8a6400;font-size:12px;font-weight:700}.review-helper-actions{display:flex;gap:6px;margin-top:9px;flex-wrap:wrap}.memory-search{display:flex;align-items:center;gap:10px;padding:7px 13px;margin-bottom:18px;border-radius:17px;color:var(--muted)}.memory-search:focus-within{border-color:#6c5ce773;box-shadow:0 0 0 4px #6c5ce714}.memory-input{flex:1;min-width:0;border:0;background:transparent;padding:9px 0;font-size:15px;color:var(--ink)}.memory-input:focus{outline:none}.memory-intro{display:flex;gap:20px;align-items:center}.memory-intro h2{font-size:21px}.memory-intro p{color:var(--muted);font-size:13px;margin-top:5px}.example-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:11px}.example-chip{border:0;cursor:pointer;font-size:12.5px;padding:6px 12px}.example-chip:hover{filter:brightness(.96)}.memory-result{display:flex;flex-direction:column;gap:14px}.memory-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;flex-wrap:wrap;background:linear-gradient(120deg,#fff,#f7f4ff)}.memory-head h2{font-size:28px;margin-top:1px;word-break:break-word}.memory-head-chips{display:flex;gap:5px;margin-top:5px;flex-wrap:wrap}.memory-head-actions{display:flex;gap:7px;flex-wrap:wrap;align-items:center}.local-tip{padding:17px 19px;background:linear-gradient(130deg,#fffaf0,#fff);border:1px solid rgba(240,175,20,.24)}.local-tip-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:9px;flex-wrap:wrap}.local-tip-head>span{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:800;color:#8a6400}.local-tip p{font-size:13px;line-height:1.8;color:var(--ink-soft)}.char-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:13px}.char-card{padding:15px;display:flex;flex-direction:column;gap:8px}.char-card-head{display:flex;align-items:center;gap:10px}.char-big{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:30px;font-weight:800;color:var(--primary-dark);background:var(--primary-soft);flex:none}.char-card-head>div:nth-child(2){flex:1;min-width:0}.char-card-head strong{font-size:12.5px;display:block}.char-card-head .speak-btn{margin-left:auto}.char-story{font-size:12px;color:var(--muted);line-height:1.7}.part-chips{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:5px}.part-chip{padding:2px 8px;border-radius:7px;background:var(--surface-2);border:1px solid var(--line);font-size:12px;font-weight:800;color:var(--primary-dark)}.stroke-writer{display:flex;flex-direction:column;align-items:center;gap:6px}.stroke-stage{position:relative;border-radius:14px;background:linear-gradient(to right,transparent 49.6%,rgba(108,92,231,.16) 49.6% 50.4%,transparent 50.4%),linear-gradient(to bottom,transparent 49.6%,rgba(108,92,231,.16) 49.6% 50.4%,transparent 50.4%),#fbfaff;border:1px solid var(--line);overflow:hidden;display:grid;place-items:center}.stroke-host,.stroke-host svg{display:block}.stroke-loading,.stroke-error{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center;font-size:11px;color:var(--muted);background:#fbfaffe6;padding:10px}.stroke-error{color:var(--danger)}.stroke-badge{position:absolute;bottom:6px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;font-size:10px;font-weight:700;padding:3px 9px;border-radius:99px;white-space:nowrap}.stroke-badge.done{background:var(--mint)}.stroke-actions{display:flex;gap:5px;flex-wrap:wrap;justify-content:center}.syllable-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.syllable{padding:6px 13px;border-radius:11px;background:#fff;border:1.5px solid rgba(108,92,231,.25);font-size:18px;font-weight:800;color:var(--primary-dark);letter-spacing:.02em}.syllable-breakdown{font-size:12px;font-weight:700;color:var(--muted);margin-bottom:6px}.phonics-hints{display:flex;flex-direction:column;gap:5px;margin-top:10px}.phonics-hint{display:flex;align-items:flex-start;gap:7px;padding:8px 10px;border-radius:10px;background:#ffffffb3;border:1px solid rgba(240,175,20,.2);font-size:11.5px;color:var(--ink-soft);line-height:1.5}.phonics-hint svg{color:#b88600;flex:none;margin-top:1px}.english-tip-card h3{font-size:15px;margin-bottom:5px}.ai-tip{padding:17px 19px;background:linear-gradient(130deg,#f4f0ff,#fff);border:1px solid rgba(108,92,231,.18)}.ai-tip-text{font-size:13px;line-height:1.85;color:var(--ink-soft);white-space:pre-wrap}.ai-tip-empty{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.ai-tip-empty p{color:var(--muted);font-size:12.5px}.ai-disabled-note{text-align:center;padding:8px}.pin-screen{min-height:calc(100vh - 160px);display:grid;place-items:center;padding:20px}.pin-card{width:min(420px,100%);padding:32px 30px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:7px;background:linear-gradient(150deg,#fff,#faf8ff)}.pin-logo{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;font-size:34px;font-weight:800;color:#fff;background:linear-gradient(135deg,#7c6cf0,#5646cd);box-shadow:0 12px 26px #5646cd4d;margin-bottom:6px}.pin-card h1{font-size:24px}.pin-card>p{color:var(--muted);font-size:12.5px;max-width:310px}.pin-card form{width:100%;margin-top:14px}.pin-input{text-align:center;font-size:26px;letter-spacing:.35em;padding:12px;margin-bottom:10px}.pin-hint{margin-top:10px}.pin-card>.btn-ghost{margin-top:12px}.parent-tabs{display:flex;gap:4px;padding:5px;margin-bottom:18px;overflow-x:auto;scrollbar-width:none}.parent-tabs::-webkit-scrollbar{display:none}.parent-tab{flex:1;min-width:108px;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 10px;border:0;border-radius:12px;background:transparent;font-size:12.5px;font-weight:700;color:var(--muted);white-space:nowrap}.parent-tab.active{background:var(--primary);color:#fff;box-shadow:0 8px 18px #6c5ce742}.parent-panel{display:flex;flex-direction:column;gap:16px}.parent-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.report-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:14px}.week-chart{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;height:150px;padding-top:8px}.week-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;height:100%;justify-content:flex-end}.week-bar-wrap{flex:1;width:100%;max-width:38px;display:flex;align-items:flex-end;justify-content:center;background:var(--surface-2);border-radius:8px;overflow:hidden}.week-bar{width:100%;border-radius:8px;background:linear-gradient(to top,#8f7dff,#6c5ce7);transition:height .4s ease}.week-col.today .week-bar{background:linear-gradient(to top,#ffd35c,#f0af14)}.week-count{font-size:9.5px;font-weight:800;color:var(--primary-dark);height:12px}.week-label{font-size:10px;color:var(--muted)}.week-col.today .week-label{color:#a27400;font-weight:800}.report-rings{display:flex;justify-content:space-around;gap:8px;margin-bottom:8px}.report-ring{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;color:var(--muted);text-align:center}.perf-list{display:flex;flex-direction:column;gap:9px}.perf-row{display:flex;align-items:center;gap:10px}.perf-info{width:45%;min-width:0;display:flex;flex-direction:column}.perf-info strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.perf-info small{font-size:10px;color:var(--muted)}.perf-bar{flex:1;height:8px;border-radius:99px;background:#ece8f8;overflow:hidden}.perf-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--mint),#65e3c4)}.perf-bar span.no-score{width:100%!important;background:#e6e2f2}.perf-score{width:40px;text-align:right;font-size:11px;font-weight:800;color:var(--ink-soft)}.top-wrong-list{display:flex;flex-direction:column;gap:5px}.top-wrong{display:flex;align-items:center;gap:7px;padding:7px 9px;border-radius:10px;background:var(--surface-2);flex-wrap:wrap}.top-wrong-word{font-weight:800;font-size:13.5px}.top-wrong .hint{margin-left:auto}.manage-list{display:flex;flex-direction:column;gap:8px}.manage-row{display:flex;align-items:center;gap:11px;padding:11px 13px}.manage-emoji{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:21px;flex:none;background:var(--primary-soft)}.manage-emoji.subject-english{background:var(--sky-soft)}.manage-emoji.subject-mandarin{background:var(--mint-soft)}.manage-emoji.subject-chinese{background:var(--coral-soft)}.manage-info{flex:1;min-width:0;display:flex;flex-direction:column}.manage-info strong{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.manage-info small{font-size:10.5px;color:var(--muted)}.manage-actions{display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.settings-section{scroll-margin-top:20px}.input-with-btn{display:flex;gap:6px;align-items:stretch}.input-with-btn .input{flex:1;min-width:0}.settings-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}.test-result{font-size:11.5px;font-weight:700;padding:5px 9px;border-radius:8px}.test-result.ok{background:var(--mint-soft);color:var(--mint-dark)}.test-result.bad{background:var(--danger-soft);color:var(--danger)}.voice-settings{display:flex;flex-direction:column;gap:8px}.voice-row{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line);flex-wrap:wrap}.voice-lang{display:flex;align-items:center;gap:6px;min-width:130px}.voice-lang span{font-size:18px}.voice-lang strong{font-size:12.5px}.voice-lang small{font-size:10px;color:var(--muted)}.voice-row .select{flex:1;min-width:150px;padding:8px 10px;font-size:12px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:8px}.about-grid>div{padding:12px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line)}.about-grid strong{display:block;font-size:12.5px;margin-bottom:3px}.about-grid p{font-size:11px;color:var(--muted);line-height:1.65}.student-list{display:flex;flex-direction:column;gap:9px}.student-card{display:flex;align-items:center;gap:13px;padding:14px 16px;border:1.5px solid var(--line)}.student-card.active{border-color:#6c5ce766;background:linear-gradient(120deg,#f8f5ff,#fff)}.avatar-lg{width:54px;height:54px;font-size:28px}.student-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.student-info strong{font-size:14px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.student-info small{font-size:11px;color:var(--muted)}.student-progress{height:5px;border-radius:99px;background:#ece8f8;overflow:hidden;max-width:240px;margin-top:3px}.student-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#9d8bff);border-radius:99px}.avatar-picker{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.avatar-choice{height:47px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface-2);font-size:24px;display:grid;place-items:center;transition:all .15s}.avatar-choice:hover{border-color:var(--line-strong)}.avatar-choice.active{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 3px #6c5ce71a}.scan-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}.scanner-box{border-radius:20px;overflow:hidden;background:#1c1936;min-height:320px;display:grid;place-items:center;position:relative}.scanner-box video{width:100%;max-height:60vh;display:block;object-fit:cover}.scanner-placeholder{display:flex;flex-direction:column;align-items:center;gap:5px;padding:28px;text-align:center;color:#fff}.scanner-placeholder strong{font-size:15px}.scanner-placeholder small{font-size:11.5px;color:#fff9;max-width:330px}.scanner-icon{width:76px;height:76px;border-radius:22px;display:grid;place-items:center;background:#ffffff1a;color:#fff;margin-bottom:6px}.scanner-placeholder .btn{margin-top:12px}.scanner-placeholder .error-text{color:#ff9aa6;max-width:330px}.scanner-frame{position:absolute;top:12%;right:12%;bottom:12%;left:12%;pointer-events:none}.scanner-frame span{position:absolute;width:34px;height:34px;border:3px solid #7cf0d0;border-radius:4px}.scanner-frame span:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}.scanner-frame span:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}.scanner-frame span:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}.scanner-frame span:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}.scanner-line{position:absolute;left:4%;right:4%;top:10%;height:2px;background:linear-gradient(90deg,transparent,#7cf0d0,transparent);box-shadow:0 0 14px #7cf0d0cc;animation:scanLine 2.4s ease-in-out infinite}.scanner-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.scan-result{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;padding:18px}.scan-success-icon{font-size:44px}.scan-result h2{font-size:22px}.scan-preview{width:100%;padding:15px;text-align:left;margin:10px 0}.scan-preview strong{font-size:15px}.scan-preview p{font-size:11.5px;color:var(--muted);margin-top:2px}.scan-items{display:flex;flex-wrap:wrap;gap:4px;margin-top:9px}.manual-code{min-height:100px;font-size:12px;font-family:ui-monospace,monospace}.scan-tips{display:flex;flex-direction:column;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.scan-tips>div{display:flex;gap:7px;align-items:flex-start;font-size:11px;color:var(--muted);line-height:1.5}.scan-tips svg{flex:none;color:var(--primary);margin-top:1px}@media (max-width: 1099px){.set-grid,.quick-grid,.practice-mode-grid,.stats-row{grid-template-columns:repeat(2,minmax(0,1fr))}.create-layout,.player-setup,.answer-setup,.grade-layout,.scan-layout{grid-template-columns:minmax(0,1fr) 280px}}@media (max-width: 899px){.hero{padding:24px 20px 18px}.hero-mascot{display:none}.hero h1{font-size:28px}.hero-bottom{margin-top:18px}.hero-actions{width:100%}.hero-actions .btn{flex:1}.home-two-col,.report-grid,.create-layout,.player-setup,.answer-setup,.grade-layout,.scan-layout{grid-template-columns:1fr}.create-side{position:static}.create-side .tips-card{display:none}.player-guide{order:2}.setting-grid{grid-template-columns:1fr 1fr}.option-grid{grid-template-columns:1fr}.practice-mode-grid{grid-template-columns:1fr 1fr}.tool-grid{grid-template-columns:1fr}.grade-side{position:static}.grade-result-top{grid-template-columns:1fr}.grade-score{padding:14px}.newbie-steps{grid-template-columns:1fr}.badge-grid{grid-template-columns:repeat(3,1fr)}.about-grid{grid-template-columns:1fr}.report-grid{gap:12px}}@media (max-width: 620px){.hero h1{font-size:25px}.hero-greet p{font-size:12px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.stats-row,.stats-row.three{grid-template-columns:repeat(2,minmax(0,1fr))}.set-grid,.practice-mode-grid{grid-template-columns:1fr 1fr}.set-cover{height:76px}.set-cover-emoji{font-size:28px}.set-title{font-size:12.5px;min-height:34px}.set-foot{padding-bottom:10px}.mode-grid{grid-template-columns:1fr}.mode-text small{font-size:10.5px}.quick-grid{grid-template-columns:1fr 1fr}.setting-grid,.level-cards,.review-rules{grid-template-columns:1fr}.review-intro-card,.memory-intro{flex-direction:column;align-items:flex-start}.score-head{flex-direction:column;text-align:center;gap:12px}.done-actions{flex-direction:column}.done-actions .btn{width:100%}.answer-input-row{flex-direction:column}.answer-input-row .btn{width:100%}.wrong-card{flex-direction:column;gap:9px}.wrong-actions{justify-content:flex-start;width:100%}.wrong-actions .btn{flex:1}.manage-row{flex-wrap:wrap}.manage-info{flex-basis:calc(100% - 60px)}.manage-actions{width:100%;justify-content:flex-end}.voice-row .select{flex-basis:100%}.voice-row .btn{margin-left:auto}.grade-explain{grid-template-columns:1fr}.grade-toggle{width:100%;margin-left:0}.grade-toggle .btn{flex:1}.grade-row-head .speak-btn{margin-left:auto}.char-cards{grid-template-columns:1fr}.mask-text{gap:3px}.mask-char{min-width:32px;height:45px;font-size:21px}.scanner-box{min-height:250px}.parent-tab{min-width:92px;font-size:11px}.parent-tab svg{display:none}.week-chart{height:130px}.avatar-picker{grid-template-columns:repeat(5,1fr)}}@media (max-width: 420px){.set-grid{grid-template-columns:1fr}.quick-grid{grid-template-columns:1fr 1fr}.badge-grid,.badge-grid.small{grid-template-columns:repeat(2,1fr)}.stats-row{grid-template-columns:1fr 1fr}.stat-tile{padding:11px}.stat-value{font-size:16px}.player-controls{gap:5px}.ctrl-btn{width:65px}.ctrl-btn.primary{width:78px}}.side-cloud{display:flex;align-items:center;gap:9px;width:100%;text-align:left;padding:9px 10px;border-radius:14px;border:1px solid var(--line);background:var(--surface);transition:border-color .15s,background .15s}.side-cloud:hover{border-color:var(--line-strong);background:var(--surface-2)}.side-cloud-icon{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--sky-soft);color:#127ab8;flex:none}.side-cloud-text{flex:1;min-width:0;display:flex;flex-direction:column}.side-cloud-text strong{font-size:11.5px}.side-cloud-text small{font-size:9.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cloud-dot{width:8px;height:8px;border-radius:50%;background:#c5c1d8;flex:none}.cloud-dot.cloud-ok{background:var(--mint);box-shadow:0 0 0 3px #18bd9326}.cloud-dot.cloud-busy{background:var(--sun);animation:pulse 1.2s infinite}.cloud-dot.cloud-warn{background:var(--coral)}.cloud-dot.cloud-idle{background:#c5c1d8}.side-cloud.cloud-ok .side-cloud-icon{background:var(--mint-soft);color:var(--mint-dark)}.side-cloud.cloud-warn .side-cloud-icon{background:var(--coral-soft);color:#c74848}.side-cloud.cloud-busy .side-cloud-icon{background:var(--sun-soft);color:#a27400}.cloud-mini{position:relative}.cloud-mini.cloud-ok svg{color:var(--mint)}.cloud-mini.cloud-warn svg{color:var(--coral)}.cloud-mini.cloud-busy svg{color:var(--sun)}.cloud-mini.cloud-idle svg{color:#a19db6}.cloud-mini-dot{position:absolute;top:3px;right:3px;width:6px;height:6px;border-radius:50%;background:var(--coral)}.cloud-offline{display:flex;align-items:flex-start;gap:11px;padding:14px 16px;margin-bottom:16px;background:var(--danger-soft);border-color:#e64c5c33;flex-wrap:wrap}.cloud-offline>svg{color:var(--danger);flex:none;margin-top:2px}.cloud-offline>div{flex:1;min-width:200px}.cloud-offline strong{font-size:13px;color:#a93242}.cloud-offline p{font-size:11.5px;color:#98515c;margin-top:2px;line-height:1.6}.cloud-offline code{background:#ffffffb3;padding:1px 5px;border-radius:5px;font-size:10.5px}.cloud-auth-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:16px;align-items:start}.cloud-auth-card{padding:22px 24px}.cloud-tabs{display:flex;gap:4px;padding:4px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);margin-bottom:18px}.cloud-tabs button{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px;border:0;border-radius:10px;background:transparent;font-size:12.5px;font-weight:700;color:var(--muted)}.cloud-tabs button.active{background:#fff;color:var(--primary-dark);box-shadow:0 3px 10px #3c28821a}.cloud-hint{margin-top:10px;line-height:1.6}.cloud-reset-link{margin-top:8px;text-align:right;font-size:12px}.cloud-reset-link a,.cloud-reset-back a{color:var(--primary-dark);font-weight:700}.cloud-reset-card{max-width:520px;margin:0 auto}.cloud-reset-back{margin-top:14px;text-align:center}.pair-code-input{text-align:center;font-size:26px;letter-spacing:.28em;font-weight:800;padding:11px}.cloud-info h3{font-size:16px;margin-bottom:12px}.cloud-info-row{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-top:1px solid var(--line)}.cloud-info-row:first-of-type{border-top:0}.cloud-info-row>span{width:22px;height:22px;border-radius:7px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary-dark);font-size:10.5px;font-weight:800;flex:none}.cloud-info-row strong{font-size:12.5px;display:block}.cloud-info-row p{font-size:11px;color:var(--muted);line-height:1.55;margin-top:1px}.cloud-dashboard{display:flex;flex-direction:column;gap:14px}.cloud-account-card{background:linear-gradient(130deg,#fff,#f5f2ff);border-color:#6c5ce729}.cloud-account-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.cloud-avatar{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--primary-soft);font-size:26px;flex:none}.cloud-account-head>div{flex:1;min-width:0}.cloud-account-head h2{font-size:20px}.cloud-account-head p{font-size:11.5px;color:var(--muted);margin-top:2px;word-break:break-all}.cloud-sync-state{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:16px}.cloud-sync-state>div{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:12px;background:#ffffffb8;border:1px solid var(--line)}.cloud-sync-state strong{font-size:12.5px}.sync-synced{color:var(--mint-dark)}.sync-error,.sync-offline{color:var(--danger)}.sync-checking,.sync-syncing{color:#a27400}.sync-local{color:var(--muted)}.cloud-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.cloud-device-list{display:flex;flex-direction:column;gap:7px}.cloud-device-row{display:flex;align-items:center;gap:10px;padding:9px 11px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2)}.cloud-device-description{flex:1;min-width:0;display:flex;flex-direction:column}.cloud-device-description strong,.cloud-password-card h2{font-size:13px}.cloud-device-description strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cloud-device-description small{color:var(--muted);font-size:10.5px}.cloud-password-card>p{margin:4px 0 12px;font-size:11.5px}.cloud-student-list{display:flex;flex-direction:column;gap:7px}.cloud-student-row{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}.cloud-student-row>div{flex:1;min-width:0;display:flex;flex-direction:column}.cloud-student-row strong{font-size:12.5px}.cloud-student-row small{font-size:10.5px;color:var(--muted)}.cloud-data-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}.cloud-data-links a{font-size:12px;font-weight:700;color:var(--primary-dark)}.pair-code-box{text-align:center;padding:6px 0 4px}.pair-code-digits{font-size:44px;font-weight:800;letter-spacing:.22em;color:var(--primary-dark);background:var(--primary-soft);border-radius:18px;padding:14px 10px;margin-bottom:10px;font-variant-numeric:tabular-nums}.pair-code-actions{display:flex;gap:8px;justify-content:center;margin:12px 0;flex-wrap:wrap}.cloud-parent-card{background:linear-gradient(130deg,#f6fbff,#fff);border-color:#2fa9ee2e}.cloud-parent-head{display:flex;align-items:flex-start;gap:11px;flex-wrap:wrap}.cloud-parent-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--sky-soft);color:#127ab8;flex:none}.cloud-parent-head>div{flex:1;min-width:200px}.cloud-parent-head h3{font-size:15px}.cloud-parent-head p{margin-top:2px;line-height:1.55}.cloud-parent-actions{display:flex;gap:8px;margin-top:11px;flex-wrap:wrap}.neural-audio-card{margin-top:16px;padding:17px 20px;background:linear-gradient(130deg,#fff,#f6fbff);border-color:#2fa9ee2e}.neural-audio-head{display:flex;align-items:flex-start;gap:11px;flex-wrap:wrap}.neural-audio-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--sky-soft);color:#127ab8;flex:none}.neural-audio-title{flex:1;min-width:200px}.neural-audio-title h3{font-size:15px}.neural-audio-title p{font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.55}.neural-audio-controls{display:flex;align-items:flex-end;gap:10px;margin-top:13px;flex-wrap:wrap}.neural-audio-controls .field{flex:1;min-width:200px}.neural-audio-actions{display:flex;gap:7px;flex-wrap:wrap}.neural-progress{display:flex;align-items:center;gap:10px;margin-top:11px}.neural-progress .progress-track{flex:1}.neural-progress>span{font-size:11px;font-weight:700;color:var(--muted);white-space:nowrap}.neural-status{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}.neural-status.ready{background:linear-gradient(120deg,#edfcf7,#f8fffc);border-color:#18bd9338}.neural-status-icon{font-size:20px}.neural-status>div{flex:1;min-width:180px;display:flex;flex-direction:column}.neural-status strong{font-size:12.5px}.neural-status small{font-size:10.5px;color:var(--muted)}.instant-recog{margin-top:11px;padding:12px 13px;border-radius:14px;background:var(--surface-2);border:1px dashed var(--line-strong)}.instant-recog.has-result{background:linear-gradient(130deg,#f8f5ff,#fff);border-style:solid;border-color:#6c5ce738}.instant-recog-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.instant-recog-head>span{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:800;color:var(--primary-dark)}.instant-recog .hint{margin-top:4px}.instant-result{margin-top:7px}.instant-text{font-size:22px;font-weight:800;line-height:1.5;letter-spacing:.02em;word-break:break-word}.instant-meta{display:flex;align-items:center;gap:7px;margin-top:4px;flex-wrap:wrap}.instant-diff{display:flex;gap:7px;align-items:baseline;margin-top:5px;padding:6px 9px;border-radius:9px;background:#ffffffb3;font-size:13px;font-weight:700}.instant-result .btn{margin-top:8px}.check-row.is-disabled{opacity:.55;cursor:not-allowed}.stroke-modal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}.stroke-modal-item{display:flex;justify-content:center;padding:8px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}.profile-actions{display:flex;flex-direction:column;gap:8px}@media (max-width: 1099px){.cloud-auth-layout{grid-template-columns:1fr}}@media (max-width: 899px){.cloud-auth-card{padding:18px}.cloud-parent-card{order:-1}}@media (max-width: 620px){.cloud-sync-state{grid-template-columns:1fr}.cloud-mini{display:none}.neural-audio-card{padding:15px}.neural-audio-controls{flex-direction:column;align-items:stretch}.neural-audio-actions .btn{flex:1}.pair-code-digits{font-size:34px}.instant-text{font-size:19px}}