:root{--bg:#f4f8fb;--card:#fff;--text:#183047;--muted:#68839a;--line:#dde8f0;--sky:#4aa9e8;--sky-dark:#1d83c8;--mint:#58c7a7;--sun:#f3b84b;--coral:#f26d4c;--violet:#8b76e5;--shadow:0 16px 42px #1e4a701f;--shadow-soft:0 8px 22px #1e4a7014;--radius:28px;--page-hero-bg:linear-gradient(165deg, #b5e6d4 0%, #8ecae8 40%, #bdddf3 72%, #efe2b8 100%);--page-hero-shadow:0 10px 24px #18446814}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{background:#f4f8fb;width:100%;min-height:100%}body{width:100%;min-height:100dvh;color:var(--text);background:linear-gradient(#f4f8fb 0%,#fff7ef 100%);margin:0;font-family:Nunito,PingFang SC,Microsoft YaHei,sans-serif}#root{width:100%;min-height:100dvh}@media (orientation:landscape) and (pointer:coarse){html{width:100%;height:100%;overflow:hidden}body{width:100vh;height:100vw;position:fixed;inset:0;overflow:hidden}#root{-webkit-overflow-scrolling:touch;transform-origin:0 0;width:100vh;height:100vw;position:absolute;top:0;left:100vw;overflow:hidden auto;transform:rotate(90deg)}}html.auth-route,html.auth-route body{background:linear-gradient(165deg,#3d9fe8 0%,#5ec8e8 42%,#8ed9b0 78%,#f5d76e 100%)}button,input{font:inherit}.app-shell{width:100%;max-width:none;min-height:100dvh;padding-bottom:calc(58px + env(safe-area-inset-bottom,0px));background:linear-gradient(#f4f8fb 0%,#fff7ef 100%);margin:0}.page{padding:20px 18px 0}.page.market-page,.page.learning-page,.me-page{padding-left:0;padding-right:0}.login-screen{width:100%;max-width:none;min-height:100dvh;padding:calc(28px + env(safe-area-inset-top,0px)) 22px calc(24px + env(safe-area-inset-bottom,0px));background:linear-gradient(165deg,#3d9fe8 0%,#5ec8e8 42%,#8ed9b0 78%,#f5d76e 100%);flex-direction:column;justify-content:flex-end;gap:22px;margin:0;display:flex;position:relative;overflow:hidden}.login-screen:before,.login-screen:after{content:"";pointer-events:none;border-radius:50%;position:absolute}.login-screen:before{background:#ffffff24;width:220px;height:220px;top:-70px;right:-50px}.login-screen:after{background:#fff0b459;width:140px;height:140px;top:120px;left:-40px}.login-hero{z-index:1;text-align:center;padding-top:8px;position:relative}.login-brand-mark{filter:drop-shadow(0 8px 18px #145a8c33);width:88px;height:88px;margin:0 auto 14px}.login-brand-mark svg{width:100%;height:100%}.login-brand-name{color:#fff;letter-spacing:.06em;text-shadow:0 4px 16px #19588240;margin:0;font-size:36px;font-weight:900}.login-tagline{color:#ffffffeb;letter-spacing:.08em;margin:10px 0 0;font-size:15px;font-weight:700}.login-card{z-index:1;background:#fffffff7;border-radius:28px;padding:22px 20px 20px;position:relative;box-shadow:0 20px 50px #1450782e}.login-card-heading{color:var(--text);text-align:center;margin-bottom:16px;font-size:20px;font-weight:900}.input{width:100%;color:var(--text);background:#f5f9fc;border:none;border-radius:18px;margin-bottom:12px;padding:15px 16px}.input.dark{border:1px solid var(--line);background:#fbfdff}.primary-btn,.ghost-btn,.cta-btn,.answer-btn,.small-btn,.danger-btn,.end-btn,.row-btn,.audio-btn,.nav-button{cursor:pointer;border:none}.primary-btn,.ghost-btn,.danger-btn{border-radius:18px;width:100%;padding:14px 16px;font-weight:800}.primary-btn{background:linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);color:#fff}.ghost-btn{color:var(--sky-dark);background:#edf5fb;margin-top:8px}.danger-btn{color:#d55035;background:#ffebe6;margin-top:16px}.verify-tip,.error-text{margin-bottom:10px;font-size:13px}.verify-tip{color:var(--muted);line-height:1.6}.verify-tip-beta{color:#4a6b82;text-align:center;background:#f0f8ff;border-radius:16px;padding:12px 14px}.verify-tip-beta .verify-code{color:var(--sky-dark);letter-spacing:.2em;font-size:18px}.error-text{color:#d74f32}.loading-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:32px;display:flex}.loading-dot{width:52px;height:52px;box-shadow:var(--shadow);background:radial-gradient(circle at 30% 30%,#7ec9ef,#1d83c8);border-radius:50%}.loading-title{margin-top:18px;font-size:20px;font-weight:900}.loading-subtitle{color:var(--muted);margin-top:8px}.hero-card,.market-hero,.panel,.market-card,.pack-card,.question-card-large,.memory-bar{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-soft)}.hero-card{padding:22px}.market-hero{background:linear-gradient(160deg,#fff 0%,#eef8fd 100%);padding:22px}.market-page{width:100%;max-width:100%;min-height:calc(100vh - 58px - env(safe-area-inset-bottom,0px));padding:0 0 12px;transition:background .35s}.market-page[data-language=zh]{background:linear-gradient(#fff1f1 0%,#ffe3e3 55%,#ffd4d4 100%)}.market-page .market-hero{transition:background .35s,box-shadow .35s}.market-page[data-language=zh] .market-hero{background:linear-gradient(165deg,#ffcdd2 0%,#ef9a9a 38%,#e57373 72%,#ffccbc 100%);box-shadow:0 10px 24px #b71c1c1f}.market-page[data-language=zh] .market-hero .hero-title{color:#5c1010}.market-page[data-language=zh] .market-hero .hero-subtitle{color:#7a2424}.market-page .market-hero{box-sizing:border-box;background:var(--page-hero-bg);width:100%;max-width:100%;box-shadow:var(--page-hero-shadow);border-radius:0 0 28px 28px;margin:0 0 16px;padding:18px 18px 28px}.market-page .market-hero .stat-pill.mint,.market-page .market-hero .stat-pill.sun,.market-page .market-hero .stat-pill.sky{background:#ffffffeb;box-shadow:0 4px 14px #1844681a}.market-page .market-hero .hero-title{color:#0f2d45;text-shadow:0 1px #ffffff59}.market-page .market-hero .hero-subtitle{color:#2a4a62}.learning-page .section{margin-top:0;padding:0 16px}.learning-page .pack-list{gap:8px}.learning-page .pack-card--compact{padding:10px 12px}.learning-page .pack-card-line{grid-template-columns:minmax(0,1fr) 3.25rem 2.6rem;align-items:center;column-gap:10px;display:grid}.learning-page .pack-card-line .pack-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:15px;font-weight:800;overflow:hidden}.learning-page .pack-card-line .pack-meta-inline{color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right;justify-self:end;font-size:13px;font-weight:700}.learning-page .pack-card-line .pack-percent{color:var(--sky-dark);white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right;justify-self:end;font-size:15px;font-weight:900}.learning-page .pack-card--compact .pack-progress{height:6px;margin-top:8px}.market-page .hero-title{margin-top:0}.market-page .market-grid{margin-top:0;padding:0 16px}.market-filter-panel{background:var(--card);box-shadow:var(--shadow-soft);border-radius:10px;margin:0 16px 14px;padding:12px}.market-language-switch{background:#edf3f8;border-radius:10px;grid-template-columns:1fr 1fr;padding:4px;display:grid;position:relative}.market-language-slider{pointer-events:none;background:#fff;border-radius:8px;width:calc(50% - 4px);transition:transform .28s cubic-bezier(.34,1.2,.64,1);position:absolute;top:4px;bottom:4px;left:4px;box-shadow:0 2px 8px #1e4a701f}.market-language-switch[data-active=zh] .market-language-slider{transform:translate(calc(100% + 4px))}.market-language-tab{z-index:1;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px 12px;font-size:14px;font-weight:800;transition:color .2s;position:relative}.market-language-tab.active{color:var(--text)}.market-difficulty-block{background:#edf3f8;border-radius:10px;align-items:stretch;gap:0;margin-top:10px;padding:4px;display:flex;overflow:hidden}.market-difficulty-label{text-align:center;color:var(--muted);background:0 0;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;padding:0 8px 0 6px;font-size:12px;font-weight:900;line-height:1.2;display:inline-flex}.market-difficulty-options{flex:1;grid-template-columns:repeat(4,minmax(0,1fr));min-width:0;padding:4px;display:grid;position:relative}.market-difficulty-slider{pointer-events:none;background:#fff;border-radius:8px;width:calc(25% - 2px);transition:transform .28s cubic-bezier(.34,1.2,.64,1);position:absolute;top:4px;bottom:4px;left:4px;box-shadow:0 2px 8px #1e4a701f}.market-difficulty-options[data-active=low] .market-difficulty-slider{transform:translate(100%)}.market-difficulty-options[data-active=medium] .market-difficulty-slider{transform:translate(200%)}.market-difficulty-options[data-active=high] .market-difficulty-slider{transform:translate(300%)}.market-difficulty-chip{z-index:1;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:9px 4px;font-size:13px;font-weight:800;transition:color .2s;position:relative}.market-difficulty-chip.active{color:var(--text)}.market-page .market-grid{column-count:2;column-gap:12px}.market-page .market-card{break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;cursor:pointer;border-radius:8px;flex-direction:column;gap:0;width:100%;margin-bottom:12px;padding:10px 10px 0;transition:transform .15s,box-shadow .15s;display:flex;overflow:hidden;box-shadow:0 2px 8px #1e4a7014}.market-card-cover{border-radius:0;width:calc(100% + 20px);margin:6px -10px 0;position:relative;overflow:hidden}.market-card-cover img{width:100%;height:auto;display:block}.market-card-cover-progress{background:linear-gradient(#0f172a00 0%,#0f172a8c 100%);align-items:center;gap:5px;padding:6px 8px 5px;display:flex;position:absolute;bottom:0;left:0;right:0}.market-card-cover-progress .market-card-progress-track{background:#ffffff59;border-radius:999px;flex:1;min-width:0;height:4px;overflow:hidden}.market-card-cover-progress .pack-progress-fill{background:linear-gradient(90deg,#4fc3f7,#81c784);border-radius:999px;height:100%}.market-card-cover-percent{color:#fff;text-shadow:0 1px 2px #00000059;flex-shrink:0;font-size:10px;font-weight:900;line-height:1;transform:translateY(3px)}.market-card-progress-fallback{align-items:center;gap:6px;margin-top:8px;display:flex}.market-card-progress-fallback .market-card-progress-track{background:#edf3f8;border-radius:999px;flex:1;min-width:0;height:4px;overflow:hidden}.market-card-progress-fallback .pack-progress-fill{border-radius:999px;height:100%}.market-card-progress-fallback .market-card-cover-percent{color:var(--muted);text-shadow:none;font-size:12px}.market-page .market-card:active{transform:scale(.98)}.market-card-body{padding-bottom:10px}.market-card-body:has(.market-card-cover){padding-bottom:0}.market-card-title-row{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.market-card-title-left{flex-wrap:wrap;flex:1;align-items:center;gap:4px 6px;min-width:0;display:flex}.market-card-unit-count{color:var(--muted);white-space:nowrap;flex-shrink:0;font-size:12px;font-weight:800;line-height:1.35}.market-pack-badge{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;font-weight:900;line-height:1;display:inline-flex}.market-pack-badge.free{color:#257d62;background:#e7faf3}.market-pack-badge.premium{color:#d56a35;background:#fff1e6}.market-page .market-card .pack-name{word-break:break-word;font-size:15px;font-weight:900;line-height:1.35}.market-empty{column-span:all;text-align:center;color:var(--muted);padding:28px 12px;font-size:14px;line-height:1.6}.market-list-footer{box-sizing:border-box;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:100%;min-height:48px;padding:16px 16px 36px;display:flex}.market-scroll-sentinel{pointer-events:none;visibility:hidden;width:100%;height:1px}.market-list-hint{color:#18304766;letter-spacing:.04em;margin:0;font-size:13px;font-weight:500;animation:.4s both market-hint-in}.market-list-hint--loading{color:#1d83c88c}.market-list-hint--end{color:#18304752;letter-spacing:.12em;text-align:center;width:100%;max-width:200px;padding-top:4px;font-size:12px}@keyframes market-hint-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.market-hero.violet{background:linear-gradient(160deg,#fff 0%,#f2efff 100%)}.eyebrow{color:var(--sky-dark);letter-spacing:.12em;text-transform:uppercase;font-size:12px;font-weight:900}.hero-title{margin-top:10px;font-size:28px;font-weight:900;line-height:1.1}.hero-subtitle{color:var(--muted);margin-top:10px;font-size:14px;line-height:1.7}.stats-row{gap:10px;display:grid}.stats-row.compact{grid-template-columns:repeat(3,1fr);margin-top:18px}.learning-page .stats-row.compact{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.stat-pill.violet{background:#f2efff}.learning-page .stat-pill-points{cursor:pointer;width:100%;min-width:0;font:inherit;text-align:center;border:none;padding:12px 6px;display:block}.learning-page .stat-pill-link{color:var(--violet);white-space:nowrap;text-overflow:ellipsis;margin-top:3px;font-size:10px;font-weight:800;line-height:1.2;overflow:hidden}.learning-page .stats-row.compact .stat-pill-value{font-size:18px}.learning-mode-panel{box-shadow:none;background:#ffffffe0;border:1px solid #1844681a;border-radius:14px;margin-top:14px;padding:12px 12px 10px;transition:border-color .45s,background .45s;position:relative;overflow:hidden}.learning-mode-panel:before{content:"";border-radius:inherit;background:rgba(var(--theme-rgb,29, 131, 200), .07);opacity:0;pointer-events:none;z-index:0;transition:opacity .45s;position:absolute;inset:0}.learning-mode-panel[data-themed="1"]{border-color:rgba(var(--theme-rgb), .28);background:#ffffffe6}.learning-mode-panel[data-themed="1"]:before{opacity:1}.learning-mode-panel__head,.learning-mode-panel .learning-mode-switch{z-index:1;position:relative}.learning-mode-panel__head{align-items:center;gap:8px;margin-bottom:10px;padding:0 2px;display:flex}.learning-mode-panel__mark{background:var(--sky);border-radius:2px;flex-shrink:0;width:3px;height:13px;transition:background .45s}.learning-mode-panel[data-themed="1"] .learning-mode-panel__mark{background:var(--theme-color)}.learning-mode-panel__title{letter-spacing:.01em;color:#4a6278;margin:0;font-size:13px;font-weight:700;line-height:1.2;transition:color .45s}.learning-mode-panel[data-themed="1"] .learning-mode-panel__title{color:var(--theme-color)}.learning-mode-switch{grid-template-columns:repeat(var(--mode-count,3), minmax(0, 1fr));box-shadow:none;background:#eef2f5;border:1px solid #1844680f;border-radius:10px;gap:0;padding:3px;transition:background .45s,border-color .45s;display:grid;position:relative}.learning-mode-panel[data-themed="1"] .learning-mode-switch{background:rgba(var(--theme-rgb), .1);border-color:rgba(var(--theme-rgb), .14)}.learning-mode-slider{width:calc((100% - 6px) / var(--mode-count,3));box-shadow:none;transform:translateX(calc(var(--mode-index,0) * 100%));pointer-events:none;background:#fff;border:1px solid #18446814;border-radius:7px;transition:transform .25s,border-color .45s;position:absolute;top:3px;bottom:3px;left:3px}.learning-mode-panel[data-themed="1"] .learning-mode-slider{border-color:rgba(var(--theme-rgb), .22);background:#fff}.learning-mode-tab{z-index:1;color:#7a94a8;cursor:pointer;background:0 0;border:none;border-radius:7px;padding:9px 4px;font-size:13px;font-weight:600;transition:color .45s;position:relative}.learning-mode-tab.active{color:#2a4a62}.learning-mode-panel[data-themed="1"] .learning-mode-tab.active{color:var(--theme-color)}.learning-mode-panel .learning-mode-tab{padding:9px 4px;font-size:13px}@media (width<=360px){.learning-mode-panel .learning-mode-tab{padding:8px 2px;font-size:12px}}.stat-pill{text-align:center;border-radius:20px;padding:14px 12px}.stat-pill.mint{background:#e7faf3}.stat-pill.sun{background:#fff6e5}.stat-pill.sky{background:#eaf6fd}.stat-pill-label{color:var(--muted);font-size:12px;font-weight:700}.stat-pill-value{margin-top:6px;font-size:22px;font-weight:900}.cta-btn{width:100%;box-shadow:var(--shadow);isolation:isolate;background:0 0;border-radius:28px;margin-top:18px;padding:3px;position:relative;overflow:hidden}.cta-btn:before{content:"";aspect-ratio:1;will-change:transform;background:conic-gradient(from 0deg, transparent 0deg 336deg, var(--cta-marquee,#ff3b30) 350deg, transparent 364deg);width:200%;filter:drop-shadow(0 0 4px var(--cta-marquee,#ff5a45)) drop-shadow(0 0 12px rgba(var(--cta-marquee-rgb,255, 59, 48), .9));transition:filter .55s;animation:1.8s linear infinite cta-border-marquee;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.cta-btn__label{z-index:1;color:#fff;text-align:center;letter-spacing:.04em;background:linear-gradient(135deg,#1d83c8 0%,#57c0ea 100%);border-radius:25px;width:100%;padding:20px 18px;font-size:26px;font-weight:900;display:block;position:relative}@keyframes cta-border-marquee{0%{transform:translate(-50%,-50%)rotate(0)}to{transform:translate(-50%,-50%)rotate(360deg)}}.section{margin-top:20px}.section-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.section-title{font-size:20px;font-weight:900}.section-subtitle,.panel-subtitle,.pack-meta,.profile-meta,.audio-text{color:var(--muted);font-size:13px}.pack-list{flex-direction:column;gap:12px;display:flex}.pack-card,.market-card{padding:18px}.pack-card{text-align:left}.pack-card-top,.market-card-header,.market-card-footer,.session-topbar,.profile-row,.memory-bar{justify-content:space-between;align-items:center;gap:12px;display:flex}.pack-name,.panel-title,.session-title,.current-profile-name{font-weight:900}.pack-name{font-size:16px}.pack-percent,.market-percent{color:var(--sky-dark);flex-shrink:0;font-size:22px;font-weight:900}.pack-progress{background:#edf3f8;border-radius:999px;height:10px;margin-top:12px;overflow:hidden}.pack-progress-fill{background:linear-gradient(90deg,#58c7a7 0%,#1d83c8 100%);border-radius:999px;height:100%}.session-page{padding-bottom:8px;position:relative}.session-complete-stamp{z-index:2;pointer-events:none;color:#1b6b4f94;letter-spacing:.14em;background:#eaf8ef47;border:3px solid #1b6b4f6b;border-radius:50%;justify-content:center;align-items:center;width:92px;height:92px;font-size:14px;font-weight:900;display:flex;position:absolute;top:6px;left:10px;transform:rotate(-16deg);box-shadow:inset 0 0 0 2px #1b6b4f1a,0 2px 10px #1b6b4f14}.session-complete-stamp span{text-align:center;line-height:1.2;display:block}.session-title{font-size:18px}.session-subtitle{color:var(--muted);margin-top:6px;font-size:12px;line-height:1.6}.end-btn{color:#d55a3b;background:#ffece6;border-radius:14px;flex-shrink:0;padding:10px 14px;font-weight:800}.memory-bar{grid-template-columns:repeat(3,minmax(0,1fr)) auto;align-items:center;gap:12px;margin-top:14px;padding:16px 18px;display:grid}.memory-item{min-width:0}.memory-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;text-align:center;font-size:11px}.memory-value{text-align:center;margin-top:6px;font-size:16px;font-weight:900}.question-card-large{margin-top:16px;padding:22px}.image-title{text-align:center;color:#183047;background:#fff;border:1px solid #18446814;border-radius:12px;margin-bottom:12px;padding:14px 16px;font-size:28px;font-weight:900;line-height:1.1}.image-frame{aspect-ratio:1;background:linear-gradient(#f4f9fc 0%,#eef5f9 100%);border-radius:20px;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.question-image{object-fit:contain;object-position:center;width:100%;height:100%}.prompt-text-fallback{text-align:center;color:#183047;word-break:break-word;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;font-weight:900;line-height:1.05;display:flex}.prompt-text-fallback.letter{letter-spacing:.02em}.prompt-text-fallback.sentence{font-weight:800;line-height:1.25}.prompt-color-block{border-radius:0;width:100%;height:100%;box-shadow:inset 0 0 0 2px #0000000f}.audio-row{margin-top:18px}.audio-row--session{grid-template-columns:1fr auto 1fr;align-items:center;gap:10px 12px;display:grid}.audio-row-answer{text-align:right;color:#183047;word-break:break-word;justify-self:end;max-width:100%;padding-right:4px;font-size:22px;font-weight:900;line-height:1.15}.audio-row-speaker{flex-shrink:0;justify-content:center;justify-self:center;align-items:center;width:56px;display:flex;overflow:visible}.audio-row-title{color:#4a6278;word-break:break-word;opacity:0;place-self:center start;align-items:center;max-width:100%;min-height:48px;padding-left:4px;font-size:16px;font-weight:700;line-height:1.35;transition:opacity .2s;display:flex}.audio-row-title.is-visible{opacity:1}.audio-btn{width:48px;height:48px;color:var(--sky-dark);cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#ecf7fe;border:none;border-radius:50%;justify-content:center;align-items:center;transition:transform .12s,background .15s,box-shadow .15s;display:flex;overflow:visible}.audio-btn--pressed{background:#d8effc;transform:scale(.9);box-shadow:inset 0 2px 6px #1d83c82e}.audio-btn--playing{background:#d4ecfb;box-shadow:0 0 0 3px #1d83c824}.audio-btn:disabled{cursor:default;pointer-events:none}.audio-btn--muted{color:#b0bec5;background:#eef2f5}.audio-btn.disabled{color:#9cb2c2;cursor:default}.audio-btn-inner{justify-content:center;align-items:center;width:24px;height:24px;display:flex;position:relative}.audio-btn svg{flex-shrink:0;width:24px;height:24px}.audio-btn-waves{opacity:0;pointer-events:none;align-items:flex-end;gap:2px;height:14px;margin-top:-7px;transition:opacity .15s,transform .15s;display:flex;position:absolute;top:50%;right:-11px;transform:scale(.6)}.audio-btn-waves.is-active{opacity:1;transform:scale(1)}.audio-btn-wave{transform-origin:bottom;background:currentColor;border-radius:2px;width:3px;height:6px;display:block}.audio-btn--playing .audio-btn-wave:first-child{animation:.55s ease-in-out infinite alternate audio-btn-wave}.audio-btn--playing .audio-btn-wave:nth-child(2){animation:.55s ease-in-out .12s infinite alternate audio-btn-wave}.audio-btn--playing .audio-btn-wave:nth-child(3){animation:.55s ease-in-out .24s infinite alternate audio-btn-wave}@keyframes audio-btn-wave{0%{opacity:.55;transform:scaleY(.35)}to{opacity:1;transform:scaleY(1)}}.unit-audio-hidden{opacity:0;pointer-events:none;width:0;height:0;position:absolute}.session-actions{grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;display:grid}.session-end-btn{align-self:center;width:auto;min-width:78px;padding:8px 10px}.answer-btn{color:#fff;border-radius:24px;padding:16px;font-size:18px;font-weight:900}.answer-btn:disabled{opacity:.72}.answer-btn.good{background:linear-gradient(135deg,#58c7a7 0%,#2e9f80 100%)}.answer-btn.retry{background:linear-gradient(135deg,#f28a59 0%,#eb5e41 100%)}.panel{margin-top:16px;padding:18px}.panel-title{color:var(--text);margin-bottom:8px;font-size:16px;font-weight:800}.current-profile-name{margin-top:10px;font-size:24px}.profile-row{border-bottom:1px solid #eef3f7;padding:14px 0}.profile-row:last-child{border-bottom:none}.profile-avatar{color:#fff;border-radius:18px;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;font-weight:900;display:flex}.profile-content{flex:1;min-width:0}.profile-name-row{flex-wrap:wrap;align-items:center;gap:6px;font-weight:900;display:flex}.type-chip{border-radius:999px;padding:2px 8px;font-size:11px;font-weight:900}.type-chip.self{color:var(--violet);background:#f2efff}.type-chip.child{color:var(--sky-dark);background:#eaf6fd}.type-chip.active{color:#257d62;background:#e7faf3}.row-btn,.small-btn{color:var(--sky-dark);background:#edf5fb;border-radius:14px;flex-shrink:0;padding:10px 14px;font-weight:800}.row-btn:disabled{color:#257d62;background:#e7faf3}.small-btn.accent{background:linear-gradient(135deg, var(--sun) 0%, #ef8d45 100%);color:#fff}.small-btn.disabled,.small-btn:disabled{color:#93a2b3;cursor:not-allowed;background:#edf1f5}.badge{border-radius:999px;padding:6px 10px;font-size:11px;font-weight:900}.badge.free{color:#257d62;background:#e7faf3}.badge.premium{color:#d56a35;background:#fff1e6}.bottom-nav{width:100%;max-width:420px;padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px));-webkit-backdrop-filter:blur(12px);z-index:20;background:#fffffff0;border-top:1px solid #dde8f0d9;grid-template-columns:repeat(3,1fr);gap:0;display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-button{color:#8fa3b5;background:0 0;border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:4px 4px 2px;transition:color .2s;display:flex;position:relative}.nav-button:before{content:"";background:var(--sky);border-radius:0 0 3px 3px;width:20px;height:3px;transition:transform .22s;position:absolute;top:0;left:50%;transform:translate(-50%)scaleX(0)}.nav-button.active{color:var(--sky-dark)}.nav-button.active:before{transform:translate(-50%)scaleX(1)}.nav-icon{justify-content:center;align-items:center;line-height:0;transition:transform .2s;display:flex}.nav-button.active .nav-icon{transform:translateY(-1px)}.nav-icon svg{width:24px;height:24px}.nav-label{letter-spacing:.02em;font-size:11px;font-weight:600;line-height:1.2;transition:font-weight .2s}.nav-button.active .nav-label{font-weight:800}.hidden-input{display:none}.me-page{width:100%;max-width:100%;padding:0 0 12px}.me-header{box-sizing:border-box;background:var(--page-hero-bg);width:100%;max-width:100%;box-shadow:var(--page-hero-shadow);border-radius:0 0 28px 28px;padding:18px 18px 28px;position:relative}.me-settings-btn{color:#4a6b82;cursor:pointer;width:40px;height:40px;box-shadow:var(--shadow-soft);background:#ffffffbf;border:none;border-radius:12px;justify-content:center;align-items:center;display:flex;position:absolute;top:14px;right:14px}.me-settings-btn svg{width:22px;height:22px}.me-profile{align-items:center;gap:14px;padding-right:44px;display:flex}.me-profile-text{min-width:0}.me-profile-name{color:var(--text);font-size:22px;font-weight:900}.me-profile-phone{color:var(--muted);margin-top:4px;font-size:14px}.me-profile-meta{color:#8aa3b5;margin-top:4px;font-size:12px}.me-stats{background:var(--card);box-shadow:var(--shadow-soft);border-radius:20px;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 16px 14px;padding:14px 10px;display:grid}.me-summary-card{background:var(--card);box-shadow:var(--shadow-soft);border-radius:24px;margin:10px 16px 12px;padding:16px}.me-summary-top{justify-content:space-between;align-items:stretch;gap:12px;display:flex}.me-summary-learn-btn{text-align:left;cursor:pointer;background:0 0;border:none;flex:1;min-width:0;padding:0}.me-summary-learn-btn:disabled{cursor:default}.me-summary-learn-btn:not(:disabled):active{opacity:.85}.me-summary-block{min-width:0}.me-summary-block.score{flex-direction:column;flex-shrink:0;justify-content:center;align-items:flex-end;display:flex}.me-summary-score{color:#f59c00;margin-top:8px;font-size:34px;font-weight:900;line-height:1}.me-summary-stats{border-top:1px solid #eef3f7;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px;padding-top:14px;display:grid}.me-stat-item{text-align:center}.me-stat-label{color:var(--muted);font-size:11px;font-weight:700}.me-stat-value{color:var(--text);margin-top:6px;font-size:20px;font-weight:900}.me-card{background:var(--card);box-shadow:var(--shadow-soft);border-radius:20px;margin:0 16px 12px;padding:16px}.me-card-label{color:var(--muted);margin-bottom:10px;font-size:12px;font-weight:700}.me-summary-learn-btn .me-card-label.type-chip.active{margin-bottom:10px;font-size:12px;display:inline-block}.me-current-row{align-items:center;gap:10px;display:flex}.me-current-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:17px;font-weight:800;overflow:hidden}.me-stat-value-total{color:#8aa3b5;font-size:14px;font-weight:800}.me-menu-item{background:var(--card);width:calc(100% - 32px);box-shadow:var(--shadow-soft);cursor:pointer;text-align:left;border:none;border-radius:20px;justify-content:space-between;align-items:center;margin:0 16px 12px;padding:16px;display:flex}.me-menu-left{align-items:center;gap:12px;display:flex}.me-menu-icon{color:#fff;border-radius:14px;justify-content:center;align-items:center;width:42px;height:42px;font-size:18px;font-weight:900;display:flex}.me-menu-icon.child{background:linear-gradient(135deg,#ffb74d,#ff8a65)}.me-menu-title{color:var(--text);font-size:16px;font-weight:800}.me-menu-sub{color:var(--muted);margin-top:4px;font-size:12px}.me-menu-arrow{color:#b0c4d4;font-size:24px;line-height:1}.sub-page{background:var(--bg);min-height:100vh;padding-bottom:24px}.sub-page-header{background:var(--card);border-bottom:1px solid var(--line);grid-template-columns:72px 1fr 72px;align-items:center;padding:14px 12px 10px;display:grid}.sub-page-header+.settings-group,.sub-page-header+.settings-page-desc,.sub-page-header+.about-hero,.sub-page-header+.me-card,.sub-page-header+.settings-row,.sub-page-header+.settings-logout,.sub-page-header+.children-add-btn,.sub-page-header+.points-me-card,.sub-page-header+.sub-page-body,.sub-page-header+.pack-manage-desc{margin-top:12px}.sub-back-btn{color:var(--sky-dark);cursor:pointer;background:0 0;border:none;padding:8px 4px;font-size:15px;font-weight:800}.sub-page-title{text-align:center;font-size:17px;font-weight:900}.sub-page-spacer{width:1px}.learner-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:900;display:flex;position:relative;overflow:hidden}.learner-avatar img{object-fit:cover;width:100%;height:100%}.learner-avatar.small{width:40px;height:40px;font-size:16px}.learner-avatar.medium{width:48px;height:48px;font-size:18px}.learner-avatar.large{width:72px;height:72px;font-size:26px}.learner-avatar.editable{cursor:pointer;border:none;padding:0}.avatar-edit-tag{background:#00000073;padding:2px 0 4px;font-size:10px;font-weight:800;position:absolute;bottom:0;left:0;right:0}.settings-page{background:var(--bg);padding-top:0}.settings-page-desc{color:var(--muted);margin:0 16px 4px;padding:0 4px;font-size:13px;line-height:1.6}.settings-group{margin:16px 16px 0}.settings-group-label{color:#8aa3b5;padding:0 4px 8px;font-size:13px}.settings-list{background:var(--card);border-radius:10px;overflow:hidden}.settings-cell{cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:52px;padding:0 16px;display:flex}.settings-cell+.settings-cell{border-top:1px solid var(--line)}.settings-cell-static{cursor:default}.settings-cell:active:not(.settings-cell-static){background:#f5f8fa}.settings-cell-title{color:var(--text);font-size:16px;font-weight:500}.settings-cell-trailing{flex-shrink:0;align-items:center;gap:6px;display:flex}.settings-cell-value{color:#8aa3b5;font-size:14px}.settings-chevron{color:#c5d0d8;font-size:20px;line-height:1}.settings-group-logout{margin-top:24px}.settings-logout-cell{background:var(--card);color:#e85d5d;cursor:pointer;border:none;border-radius:10px;width:100%;min-height:52px;padding:0 16px;font-size:16px;font-weight:500;display:block}.settings-logout-cell:disabled{opacity:.45;cursor:not-allowed}.settings-danger-cell:not(:disabled):active{background:#fff5f5}.about-hero{flex-direction:column;align-items:center;padding:28px 16px 8px;display:flex}.about-app-icon{color:#fff;background:linear-gradient(145deg,#5eb8f5,#3d9fe8);border-radius:16px;justify-content:center;align-items:center;width:72px;height:72px;font-size:32px;font-weight:900;display:flex}.about-app-name{color:var(--text);margin-top:14px;font-size:20px;font-weight:700}.about-app-version{color:#8aa3b5;margin-top:6px;font-size:13px}.about-copy{padding:16px}.about-text{color:var(--muted);margin:0;font-size:14px;line-height:1.75}.about-meta{color:#8aa3b5;text-align:center;margin:12px 0 0;font-size:12px}.settings-logout{box-sizing:border-box;width:calc(100% - 32px);margin:20px 16px 0;display:block}.empty-hint{color:var(--muted);text-align:center;padding:12px 0;font-size:13px}.children-page{padding-bottom:100px}.children-add-btn{width:calc(100% - 32px);margin:8px 16px 24px}.swipe-row-wrap{border-radius:16px;margin-bottom:10px;position:relative;overflow:hidden}.swipe-delete-btn{color:#fff;cursor:pointer;background:#ff6b57;border:none;width:76px;font-size:15px;font-weight:800;position:absolute;top:0;bottom:0;right:0}.swipe-row-content{z-index:1;background:var(--card);touch-action:pan-y;border-radius:16px;transition:transform .15s ease-out;position:relative}.rewards-manage-add-btn{width:100%}.reward-manage-swipe-inner{text-align:left;cursor:pointer;width:100%;color:inherit;font:inherit;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.reward-manage-swipe-text{flex:1;min-width:0}.reward-manage-edit-hint{color:var(--muted);flex-shrink:0;font-size:13px}.rewards-manage-page .swipe-row-wrap{border-bottom:1px solid var(--line);border-radius:0;margin-bottom:0}.rewards-manage-page .swipe-row-wrap:last-child{border-bottom:none}.rewards-manage-page .swipe-row-content{border-radius:0}.child-list-row{text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 12px;display:flex}.inline-set-btn{width:calc(100% - 24px);margin:0 12px 10px}.sheet-overlay{z-index:40;background:#18304773;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet-panel{width:100%;max-width:420px;max-height:88vh;padding:20px 18px calc(24px + env(safe-area-inset-bottom,0px));background:#fff;border-radius:24px 24px 0 0;overflow-y:auto;box-shadow:0 -12px 40px #1e4a702e}.sheet-title{text-align:center;margin-bottom:16px;font-size:20px;font-weight:900}.field-label{color:var(--muted);margin:12px 0 8px;font-size:13px;font-weight:700;display:block}.gender-picker{grid-template-columns:1fr 1fr;gap:10px;display:grid}.gender-option{border:2px solid var(--line);color:var(--muted);cursor:pointer;background:#f5f9fc;border-radius:16px;padding:12px;font-size:15px;font-weight:800}.gender-option.active.boy{color:#1d83c8;background:#e3f2fd;border-color:#64b5f6}.gender-option.active.girl{color:#e65100;background:#fff3e0;border-color:#ffb74d}.month-input{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.child-detail-page,.child-login-setup-page{padding-bottom:32px}.field-value{width:100%;color:var(--text);box-sizing:border-box;background:#f3f8fc;border-radius:16px;padding:14px 16px;font-size:15px;font-weight:700}.child-login-open-btn{margin-top:10px}.detail-phone-block{margin-bottom:18px}.detail-phone-block .field-value{margin-top:0}.detail-save-btn{margin-top:4px}.setup-sms-btn{margin-top:14px}.setup-intro{color:var(--muted);margin:0 0 12px;font-size:14px;line-height:1.6}.dialog-overlay{z-index:50;background:#18304780;justify-content:center;align-items:center;padding:24px 20px;display:flex;position:fixed;inset:0}.dialog-panel{background:var(--card);border-radius:22px;width:100%;max-width:340px;padding:22px 20px 20px;box-shadow:0 16px 48px #1e4a7038}.dialog-title{text-align:center;color:var(--text);margin-bottom:14px;font-size:18px;font-weight:900}.dialog-tip{margin-bottom:0}.dialog-confirm-btn{margin-top:18px}.dialog-message{color:var(--muted);text-align:center;margin:0;font-size:14px;line-height:1.75}.dialog-message strong{color:var(--text);font-weight:900}.dialog-actions{grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;display:grid}.dialog-actions .ghost-btn,.dialog-actions .primary-btn,.dialog-actions .danger-btn{width:100%;margin-top:0}.dialog-cancel-btn{padding:13px 12px}.dialog-danger-btn{border-radius:18px;padding:13px 12px}.detail-hero{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.detail-hero-name{font-size:22px;font-weight:900}.points-banner-btn{color:#8a5a00;cursor:pointer;text-align:left;background:linear-gradient(135deg,#fff7e0,#ffe8b8);border:none;border-radius:16px;justify-content:space-between;align-items:center;gap:10px;width:100%;margin-top:14px;padding:12px 14px;display:flex}.points-banner-label{font-size:13px;font-weight:700}.points-banner-value{margin:0 6px;font-size:22px;font-weight:900}.points-banner-link{margin-left:auto;font-size:13px;font-weight:800}.points-banner{color:var(--text);font-size:15px;font-weight:700}.points-banner strong{color:#f59e0b;margin-left:8px;font-size:22px;font-weight:900}.points-me-card{box-sizing:border-box;text-align:left;cursor:pointer;border:none;width:calc(100% - 32px);max-width:calc(100% - 32px);display:block}.points-me-card .points-banner{flex-wrap:wrap;align-items:baseline;gap:4px 8px;min-width:0;display:flex}.points-me-card .me-menu-sub{word-break:break-word;overflow-wrap:anywhere;margin-top:8px;line-height:1.5}.home-tasks-card{margin-bottom:16px}.section-header.compact{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.text-link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:4px 0;font-size:13px;font-weight:800}.tab-row{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.task-period-switch{background:#edf3f8;border-radius:10px;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:14px;padding:4px;display:grid;position:relative}.task-period-switch--2{grid-template-columns:repeat(2,minmax(0,1fr))}.task-period-slider{pointer-events:none;background:#fff;border-radius:8px;width:calc(33.3333% - 2.66667px);transition:transform .28s cubic-bezier(.34,1.2,.64,1);position:absolute;top:4px;bottom:4px;left:4px;box-shadow:0 2px 8px #1e4a701f}.task-period-switch--2 .task-period-slider{width:calc(50% - 4px)}.task-period-switch[data-active=weekly] .task-period-slider{transform:translate(100%)}.task-period-switch[data-active=monthly] .task-period-slider{transform:translate(200%)}.task-period-switch--2[data-active=all] .task-period-slider{transform:translate(100%)}.task-period-tab{z-index:1;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px 8px;font-size:14px;font-weight:800;transition:color .2s;position:relative}.task-period-tab.active{color:var(--text)}.tab-chip{cursor:pointer;background:#fff;border:1px solid #00000014;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}.tab-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.task-row{border-bottom:1px solid #0000000f;padding:10px 0}.task-row:last-child{border-bottom:none}.task-row.compact{padding:8px 0}.task-row-top{justify-content:space-between;gap:8px;margin-bottom:6px;display:flex}.task-title{font-size:14px;font-weight:800}.task-reward{color:#f59e0b;font-size:13px;font-weight:900}.task-progress-bar{background:#0000000f;border-radius:999px;height:8px;overflow:hidden}.task-progress-fill{background:linear-gradient(90deg,#4fc3f7,#29b6f6);border-radius:999px;height:100%}.task-meta{color:var(--muted);margin-top:4px;font-size:12px}.achievement-row{opacity:.55;gap:12px;padding:10px 0;display:flex}.achievement-row.unlocked{opacity:1}.achievement-badge{font-size:28px;line-height:1}.achievement-name{font-size:14px;font-weight:800}.achievement-desc{color:var(--muted);margin-top:2px;font-size:12px}.reward-row{border-bottom:1px solid #0000000f;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;display:flex}.reward-row:last-child{border-bottom:none}.reward-footer-actions{border-top:1px solid #0000000f;flex-direction:column;gap:8px;margin-top:12px;padding-top:12px;display:flex}.reward-name{font-weight:800}.reward-cost{color:#f59e0b;font-weight:900}.reward-limit-switch-row{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.reward-limit-switch-label{flex:1;min-width:0;margin:0}.reward-limit-fields{margin-bottom:4px}.reward-limit-fields .field-label{margin-top:0}.reward-limit-row{flex-wrap:nowrap;align-items:stretch;gap:10px;display:flex}.reward-limit-input,.reward-limit-select{box-sizing:border-box;min-height:48px;margin-bottom:0;padding:12px 14px;font-size:16px;line-height:1.25}.reward-limit-input{flex:0 0 76px;width:76px;min-width:64px}.reward-limit-select{cursor:pointer;-webkit-appearance:menulist-button;appearance:auto;flex:auto;width:auto;min-width:88px;padding-right:32px}.ledger-row{border-bottom:1px solid #0000000f;justify-content:space-between;gap:10px;padding:10px 0;font-size:13px;display:flex}.ledger-row:last-child{border-bottom:none}.ledger-amount.plus{color:#16a34a;font-weight:900}.ledger-amount.minus{color:#dc2626;font-weight:900}.reward-type-picker{background:#0000000d;border-radius:14px;margin:12px 0;padding:4px;display:flex;position:relative}.reward-type-picker .reward-type-slider{background:#fff;border-radius:10px;width:calc(50% - 4px);height:calc(100% - 8px);transition:transform .2s;position:absolute;top:4px;left:4px;box-shadow:0 1px 3px #0000001a}.reward-type-picker[data-active=tv_duration] .reward-type-slider{transform:translate(100%)}.reward-type-tab{color:var(--muted);cursor:pointer;z-index:1;background:0 0;border:none;border-radius:10px;flex:1;padding:10px 8px;font-size:14px;font-weight:700;transition:color .2s;position:relative}.reward-type-tab.active{color:#1f2937}.reward-tv-fields{margin:4px 0 12px}.reward-type-badge{color:#4f46e5;vertical-align:middle;background:#6366f11f;border-radius:999px;margin-left:8px;padding:2px 8px;font-size:12px;font-weight:700;display:inline-block}.reward-type-badge--tv{color:#be185d;background:#ec48991f}.redemption-status{vertical-align:middle;border-radius:999px;margin-left:0;padding:2px 8px;font-size:12px;font-weight:700;display:inline-block}.redemption-row-right{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:6px;display:flex}.redemption-status--pending_fulfillment{color:#b45309;background:#f59e0b26}.redemption-status--not_started{color:#1d4ed8;background:#3b82f61f}.redemption-status--active{color:#047857;background:#10b98126}.redemption-status--fulfilled{color:#4b5563;background:#6b728026}.redemption-status--queued{color:#7e22ce;background:#a855f71f}.redemption-countdown{font-variant-numeric:tabular-nums;color:#be185d;margin-left:6px;font-weight:800;display:inline-block}.redemption-tv-meta{color:var(--muted);margin-top:2px;font-size:12px}.me-menu-icon.task{color:#ef6c00;background:#fff3e0}.me-menu-icon.achieve{color:#8e24aa;background:#f3e5f5}.me-menu-icon.gift{color:#d81b60;background:#fce4ec}.me-menu-icon.ledger{color:#2e7d32;background:#e8f5e9}.me-menu-icon.pack{color:#1565c0;background:#e3f2fd}.me-menu-icon.tv{color:#5e35b1;background:#ede7f6}.tv-jammer-bind-cta{margin:24px 16px 0}.tv-jammer-bind-cta .primary-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#5e35b1,#7e57c2);border:none;border-radius:12px;width:100%;height:48px;font-size:16px;font-weight:600;transition:opacity .15s,transform 50ms}.tv-jammer-bind-cta .primary-btn:disabled{opacity:.6;cursor:not-allowed}.tv-jammer-bind-cta .primary-btn:active:not(:disabled){transform:scale(.98)}.settings-cell-empty{color:var(--muted);text-align:center;cursor:default;justify-content:center;padding:18px 12px}.settings-cell-sub{color:var(--muted);word-break:break-all;margin-top:4px;font-size:12px}.settings-page-desc code{color:#5e35b1;background:#5e35b11a;border-radius:4px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.pack-manage-desc{color:#6b7c8f;margin:0 16px 12px;font-size:13px;line-height:1.5}.pack-manage-list{flex-direction:column;gap:10px;padding:0 16px 24px;display:flex}.pack-manage-item{align-items:center;gap:8px;padding:8px 10px 8px 8px;display:flex}.pack-manage-open{text-align:left;cursor:pointer;min-width:0;color:inherit;font:inherit;background:0 0;border:none;flex:1;align-items:center;gap:12px;padding:4px 6px;display:flex}.pack-manage-open:active{opacity:.88}.pack-manage-arrow{color:#b8c5d0;flex-shrink:0;font-size:22px;font-weight:700;line-height:1}.pack-manage-item.inactive{opacity:.78}.pack-manage-cover{object-fit:cover;background:#eef2f5;border-radius:12px;flex-shrink:0;width:52px;height:52px}.pack-manage-cover.placeholder{color:#5a7a96;justify-content:center;align-items:center;font-size:20px;font-weight:800;display:flex}.pack-manage-main{flex:1;min-width:0}.pack-manage-title{color:#1a3a52;font-size:15px;font-weight:800}.pack-manage-meta{color:#6b7c8f;flex-wrap:wrap;gap:6px 10px;margin-top:4px;font-size:12px;display:flex}.pack-manage-status{color:#1d83c8;margin-top:4px;font-size:12px;font-weight:700}.pack-manage-item.inactive .pack-manage-status{color:#9aa8b5}.pack-manage-toggle{cursor:pointer;flex-shrink:0;width:48px;height:28px;display:inline-flex;position:relative}.pack-manage-toggle input{opacity:0;width:0;height:0;position:absolute}.pack-manage-toggle-track{background:#cfd8dc;border-radius:999px;transition:background .2s;position:absolute;inset:0}.pack-manage-toggle-track:after{content:"";background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 4px #00000026}.pack-manage-toggle input:checked+.pack-manage-toggle-track{background:#1d83c8}.pack-manage-toggle input:checked+.pack-manage-toggle-track:after{transform:translate(20px)}.pack-manage-toggle input:disabled+.pack-manage-toggle-track{opacity:.55}.pack-detail-inactive-hint{color:#6b7c8f;text-align:center;margin:0 0 10px;font-size:13px;line-height:1.45}.sub-page-body{padding-bottom:32px}.families-page{padding-bottom:24px}.family-empty-card{text-align:center}.family-empty-title{color:var(--text);margin:0 0 8px;font-size:17px;font-weight:800}.family-empty-sub,.family-empty-note,.family-form-hint{color:var(--muted);margin:0 0 12px;font-size:13px;line-height:1.55}.family-action-stack{flex-direction:column;gap:0;display:flex}.family-action-stack .ghost-btn{margin-top:8px}.family-action-row{gap:10px;margin:0 16px 12px;display:flex}.family-action-btn{flex:1;margin-top:0}.family-menu-item{align-items:center}.family-menu-right{flex-shrink:0;align-items:center;gap:8px;display:flex}.family-pending-badge{color:#e65100;white-space:nowrap;background:#fff3e0;border-radius:8px;padding:4px 8px;font-size:11px;font-weight:800}.family-form-card .field-label:first-child{margin-top:0}.family-form-card .primary-btn{margin-top:4px}.family-role-select{cursor:pointer;margin-bottom:12px}.family-detail-hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.family-detail-code{color:var(--text);font-size:16px;font-weight:900}.family-set-active-btn{width:auto;min-width:160px;margin-top:0;padding:10px 20px}.family-pending-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:12px 0;display:flex}.family-pending-row:first-of-type{border-top:none;padding-top:4px}.family-pending-info{flex:1;min-width:0}.family-pending-actions{flex-shrink:0;gap:8px;display:flex}.family-review-btn{border-radius:14px;width:auto;min-width:64px;margin-top:0;padding:8px 14px;font-size:14px}.family-section-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.family-child-row{cursor:pointer;text-align:left;background:#f8fbfe;border:none;border-radius:16px;align-items:center;gap:10px;width:100%;margin-bottom:6px;padding:10px 12px;display:flex}.family-child-row:last-child{margin-bottom:0}.family-member-main{flex:1;min-width:0}.family-member-name{color:var(--text);font-size:16px;font-weight:800}.family-member-role{color:var(--muted);margin-top:4px;font-size:12px}.family-member-row-wrap{align-items:center;gap:10px;width:100%;display:flex}.family-child-row .family-member-row-wrap{flex:1;min-width:0}.link-btn{color:var(--sky-dark);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px;font-weight:800}.family-switch-row{gap:10px}.family-switch-row .profile-content{flex:1;min-width:0}.reward-dialog-overlay{z-index:80;background:#10283e6b;justify-content:center;align-items:center;padding:24px 20px;animation:.28s reward-overlay-in;display:flex;position:fixed;inset:0}.reward-dialog-panel{text-align:center;background:linear-gradient(165deg,#fffef8 0%,#fff6e0 100%);border:1px solid #f3b84b59;border-radius:22px;width:100%;max-width:320px;padding:22px 20px 18px;animation:.42s cubic-bezier(.34,1.45,.64,1) reward-panel-pop;box-shadow:0 20px 48px #1e4a7038}.reward-dialog-badge{font-size:40px;line-height:1;animation:.55s .12s both reward-badge-bounce}.reward-dialog-title{color:#8a5a00;margin-top:8px;font-size:20px;font-weight:900}.reward-dialog-list{text-align:left;margin:14px 0 0;padding:0;list-style:none}.reward-dialog-item{background:#ffffffb8;border-radius:12px;align-items:flex-start;gap:8px;padding:10px 12px;display:flex}.reward-dialog-item+.reward-dialog-item{margin-top:8px}.reward-dialog-item-label{color:#9a6b00;background:#ffe8a3;border-radius:999px;flex-shrink:0;padding:2px 8px;font-size:11px;font-weight:800}.reward-dialog-item-text{color:#4a3b12;font-size:14px;font-weight:700;line-height:1.45}.reward-dialog-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#f3b84b 0%,#e89b1f 100%);border:none;border-radius:14px;width:100%;margin-top:16px;padding:12px 16px;font-size:15px;font-weight:800}@keyframes reward-overlay-in{0%{opacity:0}to{opacity:1}}@keyframes reward-panel-pop{0%{opacity:0;transform:scale(.78)translateY(12px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes reward-badge-bounce{0%{opacity:0;transform:scale(.4)}60%{transform:scale(1.12)}to{opacity:1;transform:scale(1)}}.child-points-hint{color:#f59e0b;margin-top:2px;font-size:12px;font-weight:800}.pack-detail-page{padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.pack-detail-hero{margin-top:14px}.pack-detail-cover{border-radius:8px;width:100%;height:auto;display:block}.pack-detail-title{margin-top:14px;font-size:22px;font-weight:900;line-height:1.25}.pack-detail-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;font-size:13px;display:flex}.pack-detail-desc{color:var(--muted);margin:12px 0 0;font-size:14px;line-height:1.7}.pack-detail-progress-row{color:var(--muted);justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;display:flex}.pack-detail-progress-row strong{color:var(--sky-dark);font-size:20px}.pack-detail-progress-bar{height:6px;margin-top:8px}.pack-detail-units{margin-top:12px}.pack-detail-unit-list{margin-top:8px}.pack-detail-unit-row{border-bottom:1px solid #0000000f;align-items:center;gap:12px;padding:12px 0;display:flex}.pack-detail-unit-row.mastered{background:linear-gradient(90deg,#e7faf38c 0%,#0000 72%)}.pack-detail-unit-row.pending{background:linear-gradient(90deg,#ffe8e4bf 0%,#0000 72%)}.pack-detail-unit-row:last-child{border-bottom:none}.pack-detail-unit-text{flex:1;align-items:baseline;gap:8px;min-width:0;display:flex;overflow:hidden}.pack-detail-unit-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.pack-detail-unit-status{white-space:nowrap;border-radius:999px;flex-shrink:0;padding:3px 8px;font-size:11px;font-weight:800}.pack-detail-unit-status.done{color:#257d62;background:#e7faf3}.pack-detail-unit-status.todo{color:#c62828;background:#ffe5e0}.pack-detail-unit-index{width:26px;height:26px;color:var(--muted);background:#edf3f8;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:800;display:inline-flex}.pack-detail-unit-row.pending .pack-detail-unit-index{color:#c62828;background:#ffe5e0}.pack-detail-unit-title{flex-shrink:0;max-width:42%;font-size:17px;font-weight:800;line-height:1.35}.pack-detail-unit-row.pending .pack-detail-unit-title{color:#c62828}.pack-detail-unit-badges{flex-shrink:0;align-items:center;gap:4px;display:inline-flex}.pack-detail-unit-badge{border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}.pack-detail-unit-badge svg{width:13px;height:13px}.pack-detail-unit-badge--image{color:var(--sky-dark);background:#e8f4fc}.pack-detail-unit-badge--audio{color:#6b4fc7;background:#f3ecff}.pack-detail-unit-answer{min-width:0;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:15px;line-height:1.35;overflow:hidden}.pack-detail-unit-row.pending .pack-detail-unit-answer{color:#b54a4a}.pack-detail-footer{width:100%;max-width:420px;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);z-index:20;background:#fffffff5;position:fixed;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -8px 24px #1e4a7014}.pack-detail-footer .primary-btn{width:100%}@media (width<=360px){.me-summary-top,.me-summary-stats{grid-template-columns:1fr}.me-summary-top{display:grid}.me-summary-block.score{align-items:flex-start}.memory-bar{grid-template-columns:1fr}.session-end-btn{width:100%}.session-actions{grid-template-columns:1fr}}