.v22-home,.v22-entry{color:#28474d;isolation:isolate;background:radial-gradient(at 16% 25%,#e7eee1 0%,#0000 50%),radial-gradient(at 90% 20%,#dfedf3 0%,#0000 48%),#f5f5ec;min-height:100dvh;font-family:Arial,Microsoft YaHei,sans-serif}.v22-home{padding:0 max(24px,env(safe-area-inset-right)) max(22px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));overflow-x:clip}.v22-header{z-index:8;align-items:center;gap:16px;max-width:1190px;min-height:80px;margin:auto;display:flex;position:relative}.v22-brand img{width:185px;height:auto;display:block}.v22-stage-picker{flex-shrink:0;font-size:12px;position:relative}.v22-stage-picker summary{cursor:pointer;background:#ffffff80;border:1px solid #bdcec87a;border-radius:12px;align-items:center;min-height:42px;padding:10px 13px;list-style:none;display:flex}.v22-stage-picker nav{background:#fffffff5;border:1px solid #d0dfd2;border-radius:16px;gap:4px;min-width:135px;padding:8px;display:grid;position:absolute;top:48px;left:0;box-shadow:0 12px 25px #355d5420}.v22-stage-picker a{color:#527b6f;align-items:center;min-height:44px;padding:10px;display:flex}.v22-utilities{gap:7px;margin-left:auto;display:flex}.v22-utilities a{color:#618180;border-radius:12px;justify-content:center;align-items:center;min-width:48px;min-height:44px;font-size:13px;display:flex}.v22-utilities a:hover{background:#ffffffa0}.v22-mode-tabs{z-index:2;background:#ffffff70;border:1px solid #d1dfd3;border-radius:16px;width:max-content;max-width:100%;margin:4px auto 18px;padding:4px;display:flex;position:relative}.v22-mode-tabs button{font:inherit;color:#7c9186;cursor:pointer;background:0 0;border:0;border-radius:12px;min-height:42px;padding:8px 30px;font-size:13px}.v22-mode-tabs button[aria-pressed=true]{color:#355f56;background:#fffdf5;box-shadow:0 2px 10px #385a5012}.v22-main{max-width:1160px;margin:auto}.v22-main [hidden]{display:none!important}.v22-main .v2-study-bar{display:none}.v22-main .v2-study{margin:0;padding:0}.v22-deck{max-width:1100px;margin:auto;position:relative}.v22-deck-viewport{isolation:isolate;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;position:relative}.v22-card-position{z-index:2;max-width:1020px;margin:auto;animation:.35s cubic-bezier(.2,.65,.3,1) both v22-slide-in;position:relative}.v22-deck[data-direction=backward] .v22-card-position{animation-name:v22-slide-back}.v22-neighbor{pointer-events:none;z-index:0;opacity:0;background:linear-gradient(135deg,#dfeadfd0,#f7f5e4a0);border:1px solid #ffffffc0;border-radius:36px;width:55%;position:absolute;top:24px;bottom:24px;box-shadow:0 12px 30px #3d646b0d}.v22-neighbor[data-available=true]{opacity:.8}.v22-neighbor-left{left:15px;transform:rotate(-2deg)translate(-10px)}.v22-neighbor-right{right:15px;transform:rotate(2deg)translate(10px)}.v22-home .v2-card{background:linear-gradient(145deg,#f9fcf3,#eaf1e8);border:1px solid #ffffffeb;border-radius:34px;max-width:none;margin:0;box-shadow:0 28px 70px -35px #2b555c66,inset 0 1px 2px #fff}.v22-home .v2-card-bar{background:linear-gradient(115deg,#f7fbef,#e0ece7);gap:12px;min-height:54px;padding:10px 24px}.v22-home .v2-card-bar .v21-motion{display:none}.v22-home .v2-card-grid{grid-template-columns:1.13fr 1fr;min-height:min(540px,100dvh - 240px)}.v22-home .v2-card-visual{background:radial-gradient(at 50% 38%,#fffef5 0%,#edf4e7 50%,#ccded4 100%);padding:25px}.v22-home .v2-card[data-stage=primary] .v2-card-visual{background:radial-gradient(at 50% 35%,#fffef3,#e9f2ee 55%,#cadfe5)}.v22-home .v2-card-visual>.picture-stage,.v22-home .v2-card-visual>img{object-fit:contain;background:0 0;border:0;width:100%;height:380px;max-height:48dvh}.v22-home .v2-card-visual>.picture-stage>img{object-fit:contain}.v22-home .v2-card-visual .task-word{display:none}.v22-home .v2-card-visual:before{width:75%;box-shadow:0 0 0 22px #ffffff25,0 0 0 46px #ffffff16}.v22-home .v2-card-visual:after{bottom:18px;left:24px}.v22-home .v2-card-content{background:linear-gradient(150deg,#fafff0e0,#f1f5e8c0);min-width:0;padding:30px 36px}.v22-home .v2-card-content>.v2-eyebrow{letter-spacing:.18em;color:#8aa196;margin:0 0 5px;font-size:9px}.v22-home .v2-card h1{margin:5px 0 8px;font-size:clamp(36px,4.2vw,55px);font-weight:650;line-height:1.15}.v22-home .v2-meaning{color:#668978;font-size:22px}.v22-home .v2-phonetic{margin-bottom:4px;font-size:13px}.v22-home .v2-flip{margin-bottom:2px;font-size:11px;min-height:36px!important}.v22-home .v2-card-tools{align-items:flex-start;gap:10px;margin:6px 0}.v22-home .v2-card-tools>.audio-button,.v22-home .pronunciation-task-compact>.pronunciation-record-button{min-width:125px;min-height:48px;font-size:14px}.v22-home .pronunciation-task-compact{width:auto}.v22-home .v2-asr-note{color:#91a191;margin:5px 0;font-size:9px;line-height:1.5}.v22-home .task-prompt{margin:8px 0;font-size:13px;line-height:1.6}.v22-home .listen-dots{gap:9px;margin:10px 0}.v22-home .v2-card .picture-choice-grid,.v22-home .v2-card .choice-grid{gap:9px;margin-top:9px}.v22-home .v2-card .picture-choice-grid img{height:110px}.v22-home .v2-card .feedback{margin-top:10px;padding:12px;font-size:13px}.v22-home .v2-card .feedback p{margin:4px 0;font-size:12px;line-height:1.5}.v22-deck-controls{justify-content:space-between;align-items:center;gap:20px;max-width:740px;margin:18px auto 0;display:flex}.v22-deck-controls button,.v22-return-task,.v22-back-to-new{font:inherit;color:#64877c;cursor:pointer;touch-action:manipulation;background:#ffffff8c;border:1px solid #cfdfd1;border-radius:14px;min-height:44px;padding:10px 20px;font-size:12px}.v22-deck-controls button:disabled{opacity:.35;cursor:default}.v22-deck-controls>div{justify-items:center;gap:5px;min-width:100px;display:grid}.v22-deck-controls span{color:#5e8072;letter-spacing:.12em;font-size:12px}.v22-deck-controls progress{appearance:none;background:#d7e2d4;border:0;border-radius:5px;width:100px;height:3px}.v22-deck-controls progress::-webkit-progress-bar{background:#d7e2d4}.v22-deck-controls progress::-webkit-progress-value{background:#81a695}.v22-deck-controls progress::-moz-progress-bar{background:#81a695}.v22-deck-controls small{color:#93a292;font-size:9px}.v22-return-task{background:#e2eddf;margin-top:14px}.v22-back-to-new{margin:20px auto;display:block}.v22-main .friend-review-page{max-width:none;margin:0;padding:0}.v22-main .friend-review-page>p,.v22-main .friend-review-page>.growth-review-action{text-align:center;font-size:13px;line-height:1.6}.v22-home .v2-card[data-assessment=true] .v2-card-grid{grid-template-columns:1fr}.v22-home .v2-card[data-assessment=true] .v2-card-content{background:linear-gradient(135deg,#f5f9ee,#e6efe4);max-width:900px;min-height:440px}.v22-home .session-summary,.v22-home .kindergarten-round-completion,.v22-home [data-primary-completion]{background:#f9fcf2;border-radius:28px;max-width:900px;margin:16px auto;padding:28px}.v22-home .v2-card .choice-grid button,.v22-home .v2-card .picture-choice-grid button{white-space:normal;overflow-wrap:anywhere;min-width:0;min-height:48px}.v22-preparing{text-align:center;background:linear-gradient(130deg,#fcfff3,#e3eeea);border:1px solid #ffffffd9;border-radius:32px;flex-direction:column;justify-content:center;align-items:center;gap:16px;max-width:920px;min-height:470px;margin:auto;padding:32px;display:flex;box-shadow:0 22px 60px -40px #476e5780}.v22-preparing h1{margin:0;font-size:24px;font-weight:500}.v22-preparing p{color:#7c9788;margin:0;font-size:13px;line-height:1.7}.v22-preparing a,.v22-preparing button{color:#54816c;cursor:pointer;background:0 0;border:0;align-items:center;min-height:44px;font-size:14px;display:flex}.v22-preparing-art{letter-spacing:-.08em;color:#b0c6b6;text-shadow:0 4px #fff7;margin:12px;font-size:88px;font-weight:650}.v22-card-skeleton{color:#89a08d;font-size:13px}.v22-entry{flex-direction:column;justify-content:center;align-items:center;gap:24px;padding:28px;display:flex}.v22-entry>img{width:210px;height:auto}.v22-entry h1{margin:0;font-size:20px;font-weight:500}.v22-entry p{color:#7d9788;font-size:13px}.v22-entry nav{grid-template-columns:1fr 1fr;gap:12px;width:min(440px,100%);display:grid}.v22-entry nav a{color:#527567;background:#ffffffa0;border:1px solid #d4e1d0;border-radius:20px;justify-content:space-between;align-items:center;min-height:70px;padding:20px;font-size:15px;display:flex}.v22-loading{text-align:center;color:#7f9989;padding:30px;font-size:13px}.v22-home button:focus-visible,.v22-home a:focus-visible,.v22-entry a:focus-visible{outline-offset:3px;outline:3px solid #9bbbaf}@keyframes v22-slide-in{0%{opacity:.55;transform:translate(22px)}to{opacity:1;transform:translate(0)}}@keyframes v22-slide-back{0%{opacity:.55;transform:translate(-22px)}to{opacity:1;transform:translate(0)}}@media (max-width:700px){.v22-home{padding-left:max(13px,env(safe-area-inset-left));padding-right:max(13px,env(safe-area-inset-right))}.v22-header{gap:8px;min-height:66px}.v22-brand img{width:132px}.v22-stage-picker summary{min-height:40px;padding:7px 8px;font-size:10px}.v22-utilities{gap:0}.v22-utilities a{min-width:35px;min-height:44px;font-size:11px}.v22-mode-tabs{border-radius:14px;margin:3px auto 12px;padding:3px}.v22-mode-tabs button{min-height:38px;padding:6px 28px;font-size:12px}.v22-card-position{max-width:calc(100% - 10px)}.v22-neighbor{border-radius:28px;top:15px;bottom:15px}.v22-neighbor-left{left:7px}.v22-neighbor-right{right:7px}.v22-home .v2-card{border-radius:27px}.v22-home .v2-card-bar{gap:9px;min-height:45px;padding:6px 14px}.v22-home .v2-card-bar>span{font-size:10px}.v22-home .v2-card-grid{grid-template-columns:1fr;min-height:0}.v22-home .v2-card-visual{min-height:0;padding:16px 24px}.v22-home .v2-card-visual>img,.v22-home .v2-card-visual>.picture-stage{height:clamp(155px,25dvh,230px);max-height:none}.v22-home .v2-card-visual:after{font-size:7px;bottom:9px;left:17px}.v22-home .v2-card-content,.v22-home .v2-card[data-stage=kindergarten] .v2-card-content{padding:18px 22px}.v22-home .v2-card h1{margin:3px 0 5px;font-size:34px}.v22-home .v2-meaning{font-size:18px}.v22-home .v2-card-content>.v2-eyebrow{font-size:8px}.v22-home .v2-phonetic{margin-bottom:0;font-size:11px}.v22-home .v2-flip{margin:0;padding:6px 0;font-size:10px;min-height:30px!important}.v22-home .v2-card-tools{flex-wrap:wrap;gap:8px;margin:4px 0}.v22-home .v2-card-tools>.audio-button,.v22-home .pronunciation-task-compact>.pronunciation-record-button{min-width:112px;min-height:44px;padding:9px 13px;font-size:12px}.v22-home .v2-asr-note{margin:4px 0 2px;font-size:8px;line-height:1.5}.v22-home .task-prompt{margin:7px 0;font-size:11px}.v22-deck-controls{gap:10px;margin-top:12px;padding:0 9px}.v22-deck-controls button{padding:8px 14px;font-size:11px}.v22-deck-controls>div{min-width:75px}.v22-deck-controls progress{width:75px}.v22-home .v2-card .picture-choice-grid img{height:90px}.v22-home .v2-card[data-assessment=true] .v2-card-content{min-height:410px;padding:24px}.v22-preparing{min-height:450px;padding:22px}.v22-preparing h1{font-size:22px}}@media (orientation:landscape) and (max-height:500px){.v22-header{min-height:57px}.v22-brand img{width:140px}.v22-mode-tabs{margin:0 auto 10px}.v22-mode-tabs button{min-height:34px}.v22-home .v2-card-grid{grid-template-columns:1fr 1.2fr;min-height:275px}.v22-home .v2-card-content,.v22-home .v2-card[data-stage=kindergarten] .v2-card-content{padding:16px 22px}.v22-home .v2-card-visual>.picture-stage,.v22-home .v2-card-visual>img{height:220px;max-height:none}.v22-home .v2-card h1{font-size:32px}.v22-home .v2-card .picture-choice-grid img{height:80px}.v22-home .v2-card-bar{min-height:42px;padding:5px 18px}.v22-deck-controls{margin-top:10px}.v22-home .v2-card[data-assessment=true] .v2-card-content{min-height:280px}}@media (prefers-reduced-motion:reduce){.v22-card-position{animation:none!important}.v22-home .v2-word-art{transition:none!important;animation:none!important}}.v22-home [data-round-description]{display:none}.v22-home .v22-utilities a{min-width:44px}.v22-home .v2-card .v2-card-tools>.audio-button{flex:none;width:auto}.v22-home .v2-card .choice-grid button,.v22-home .v2-card .picture-choice-grid button{background:#fafff6;border:1px solid #d0dfcd;border-radius:13px;min-height:47px;padding:10px;font-size:12px;font-weight:500;line-height:1.4;box-shadow:0 3px 8px #476e5710}.v22-home .v2-card .picture-choice-grid button>span{background:0 0;min-height:0;font-size:12px}.v22-home .v2-card .picture-choice-grid img{border-radius:12px;min-height:0;max-height:110px}.v22-home .v2-card .picture-choice-grid button[data-result=correct],.v22-home .v2-card .choice-grid button[data-result=correct]{background:#dcebd8;border-color:#8db381}.v22-home .v2-card .picture-choice-grid button[data-result=wrong],.v22-home .v2-card .choice-grid button[data-result=wrong]{background:#f6e9db;border-color:#d4b590}
.v223-home[data-study-mode=learn]{height:auto;min-height:100dvh;padding-bottom:max(22px,env(safe-area-inset-bottom));overflow:clip visible}.v223-home[data-study-mode=learn]>.v22-header{margin:0 auto}.v223-home[data-study-mode=learn]>.v22-main{overscroll-behavior:auto;flex:none;min-height:auto;margin:0 auto;overflow:visible}.v22-header>.v2-pet-header{z-index:20;flex:none;position:relative;bottom:auto!important;left:auto!important;right:auto!important}.v22-header .v2-pet-header .v223-pet-adopt{white-space:nowrap;min-height:44px;padding:6px 10px}.v22-header .v2-pet-header .v21-pet-orb{width:44px;height:44px;min-height:44px}.v22-header .v2-pet-header .v21-pet-orb .pet-sprite{width:42px;height:42px}.v22-header .v2-pet-header .v21-pet-panel{max-height:calc(100dvh - 140px);position:absolute;top:calc(100% + 10px);bottom:auto;right:0}@media (max-width:700px){.v22-header>.v2-pet-header{position:absolute;top:calc(100% + 4px);right:0!important}.v223-home:has(.v2-pet-header)>.v22-main{padding-top:52px}}.v223-home{flex-direction:column;height:100dvh;display:flex;overflow:hidden}.v223-home>.v22-header{flex:none;width:100%}.v223-home>.v22-main{overscroll-behavior-y:contain;scrollbar-width:thin;flex:auto;width:100%;min-height:0;padding:0 4px 16px;overflow-y:auto}.v223-home{padding-bottom:calc(100px + env(safe-area-inset-bottom))}.v223-home-caption,.v223-study-nav{color:#648277;justify-content:space-between;align-items:center;gap:12px;max-width:1020px;margin:10px auto 18px;font-size:12px;display:flex}.v223-home-caption a,.v223-study-nav a,.v223-study-nav button{color:#547b6c;align-items:center;min-height:44px;display:flex}.v223-study-nav button{font:inherit;cursor:pointer;background:0 0;border:0}.v223-start-actions{flex-wrap:wrap;gap:12px;margin-top:18px;display:flex}.v223-start-actions button,.v223-recognition button{color:#3e6b59;min-height:48px;font:inherit;cursor:pointer;background:#f5faf0;border:1px solid #ccdcd3;border-radius:14px;padding:12px 20px;font-size:13px}.v223-start-actions .primary-action{background:#d9e7d5}.v223-instruction{color:#6f8778;font-size:12px;line-height:1.7}.v223-home button:disabled{opacity:.42;cursor:default}.v223-feedback{color:#56856b;min-height:24px;font-size:13px;animation:.4s ease-out v223-unlock}.v223-recognition{grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;display:grid}.v223-recognition>div{flex-direction:column;gap:8px;min-width:0;display:flex}.v223-recognition button{overflow-wrap:anywhere;width:100%}.v223-recognition .audio-button{min-height:44px;font-size:12px}.v223-quiz-picture{background:radial-gradient(#fff,#e5eee0);border-radius:22px;height:190px;margin:12px 0}.v223-quiz-picture img{object-fit:contain;width:100%;height:100%}.v223-complete{text-align:center;background:linear-gradient(130deg,#f9fbef,#e0eee6);border:1px solid #fff;border-radius:32px;max-width:650px;margin:25px auto;padding:50px 24px}.v223-complete>span{color:#72977d;font-size:48px}.v223-complete h1{font-size:28px;font-weight:500}.v223-complete p{color:#6e8879;font-size:14px;line-height:1.8}.v223-complete a{color:#4b7665;border:1px solid #cdded0;border-radius:14px;align-items:center;min-height:48px;margin:10px;padding:10px 18px;display:inline-flex}.v223-legacy{flex-wrap:wrap;justify-content:center;gap:15px;font-size:12px;display:flex}.v223-legacy small{color:#7e9086}.v223-review{background:linear-gradient(145deg,#fbfcf5,#e9f1e9);border:1px solid #fff;border-radius:30px;max-width:780px;margin:auto;padding:24px;box-shadow:0 22px 65px -40px #2e5956}.v223-review-top{color:#638277;justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.v223-review h2{margin:20px 0 12px;font-size:clamp(19px,2.3vw,27px);font-weight:500;line-height:1.4}.v223-review .audio-button{color:#416c63;background:#e0ece4;border-radius:14px;min-height:44px;padding:8px 16px;font-size:12px;width:auto!important}.v223-review-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0;display:grid}.v223-review-grid>button{cursor:pointer;background:#ffffffb3;border:1px solid #d7e1d2;border-radius:20px;min-width:0;padding:10px;transition:background .15s,border-color .15s;position:relative;box-shadow:0 5px 20px #4c735508}.v223-review-grid img{object-fit:contain;border-radius:12px;width:100%;height:clamp(120px,22dvh,205px);display:block}.v223-review-grid>button[data-result=correct]{background:#e1efdf;border-color:#8db69b;box-shadow:0 0 0 2px #8db69b33}.v223-review-grid>button[data-result=wrong]{background:#f5ede2;border-color:#ceba99}.v223-review-grid>button span{color:#426756;padding:10px;font-size:14px;display:block}.v223-review-feedback{color:#64816e;min-height:28px;font-size:13px}.v223-review-footer{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.v223-review-footer button{color:#446c5a;cursor:pointer;background:#e3eddd;border:1px solid #d3e0cf;border-radius:13px;min-height:46px;padding:10px 18px;font-size:13px}.v223-review-footer button:disabled{opacity:.45}.v223-review .friend-review-speaking-picture img{object-fit:contain;max-height:180px}.v223-pet-dock{bottom:calc(12px + env(safe-area-inset-bottom))!important;right:max(16px,env(safe-area-inset-right))!important;visibility:visible!important;left:auto!important}.v223-pet-dock .v21-pet-panel{right:16px;bottom:calc(84px + env(safe-area-inset-bottom));max-height:calc(100dvh - 110px);position:fixed}.v223-pet-adopt{color:#5b7f69;background:#f6faf0f5;border:1px solid #d8e4d5;border-radius:20px;align-items:center;gap:8px;min-height:52px;padding:8px 16px;font-size:12px;display:flex;box-shadow:0 5px 25px #355e541a}.v223-pet-adopt span{font-size:20px}.app-shell:has(.v223-pet-dock){padding-bottom:calc(100px + env(safe-area-inset-bottom))}@keyframes v223-unlock{0%{opacity:.3;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (max-width:700px){.v223-home-caption{gap:8px;font-size:10px}.v223-home-caption span{max-width:74%;line-height:1.6}.v223-review{border-radius:24px;padding:18px}.v223-review-grid{gap:10px;margin:14px 0}.v223-review-grid>button{border-radius:17px;padding:8px}.v223-review-grid img{height:155px}.v223-review h2{margin-top:18px}.v223-quiz-picture{height:150px}.v223-home .v2-card[data-assessment=true] .v2-card-content{min-height:0}.v223-home .v2-card h2{font-size:18px}}@media (orientation:landscape) and (max-height:500px){.v223-review{max-width:720px;padding:18px}.v223-review-grid img{height:130px}.v223-review-grid{gap:10px}.v223-quiz-picture{height:120px}.v223-home-caption{margin-bottom:8px}}@media (prefers-reduced-motion:reduce){.v223-feedback{animation:none}.v223-review-grid>button{transition:none}}.v223-review .audio-button{box-shadow:none;font-weight:500;animation:none;transform:none}.v223-review-grid>button{appearance:none;-webkit-tap-highlight-color:transparent}.v223-home .v223-review-grid>button:disabled{opacity:1;cursor:default}.v223-review-grid img{height:clamp(120px,19dvh,170px)}@media (max-width:700px){.v223-review-grid img{height:145px}.v223-home[data-study-mode=home] .v2-card-visual>img{height:180px}.v223-home[data-study-mode=home] .v2-card-content{padding-bottom:16px}.v223-start-actions{margin-top:12px}}.v223-spoken-option{background:#ffffffb3;border:1px solid #d7e1d2;border-radius:18px;flex-direction:column;gap:8px;min-width:0;padding:12px;display:flex}.v223-spoken-option>button:not(.audio-button){color:#527762;cursor:pointer;background:#edf4e7;border:1px solid #cddfcf;border-radius:12px;min-height:44px}.v223-home .v223-spoken-option>button:disabled{opacity:1}.v223-spoken-option>button[data-result=correct]{background:#d4e8d5;border-color:#8db69b}.v223-spoken-option>button[data-result=wrong]{background:#f4eadc;border-color:#ceba99}
