@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#243b35;--muted:#829088;--green:#287c5a;--line:#e7eae2;--cream:#fafbf7}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:15px 'DM Sans',sans-serif}button,a{ -webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #e3ab43;outline-offset:4px}aside{width:238px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:36px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font:800 25px 'Manrope',sans-serif;letter-spacing:-1.5px}.brand-icon{background:#287c5a;color:white;font-size:24px;border-radius:13px;padding:4px 9px;letter-spacing:0}.dot{color:#eab54b;margin-left:-8px}.course{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:12px;margin:34px 0 25px;font-weight:600}.course>span:last-child{margin-left:auto}.course small{display:block;font-size:9px;letter-spacing:1.5px;color:var(--muted);margin-top:4px}nav button{width:100%;text-align:left;border:0;background:none;color:#7b8881;padding:15px 18px;border-radius:10px;margin:4px 0;font-size:21px;display:flex;gap:15px;align-items:center}nav button span{font-size:14px;font-weight:600}nav button.active{color:var(--green);background:#eaf3e9;box-shadow:inset 3px 0 var(--green)}.side-bottom{margin-top:auto;padding:20px 12px 4px}.tiny-flower{font-size:42px;color:#e1ad48}.side-bottom p{font-weight:600;font-size:19px;line-height:1.5}.side-bottom small{font-size:10px;color:#929b93}main{margin-left:238px;padding:0 42px;max-width:1600px}header{height:97px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.breadcrumb{font-size:10px;letter-spacing:2px;color:#859087;font-weight:700}.stats{display:flex;gap:25px;align-items:center}.stats>span{display:flex;align-items:center;gap:6px}.stats small{font-size:11px;color:var(--muted)}.avatar{background:#f0e6d2;width:34px;height:34px;justify-content:center;border:4px solid white;border-radius:50%;font-size:12px;font-weight:700}.welcome{display:flex;justify-content:space-between;align-items:end;margin:34px 0 25px}h1{font:800 31px 'Manrope',sans-serif;letter-spacing:-1.2px;margin:0 0 10px}p{color:#839087;line-height:1.6;margin:0}.date{font-size:11px;color:#8e978f}.layout{display:grid;grid-template-columns:minmax(400px,1fr) 282px;gap:26px}.hero{background:#eaf0df;border-radius:18px;min-height:218px;padding:29px 30px;position:relative;overflow:hidden}.eyebrow{font-size:9px;font-weight:800;letter-spacing:1.7px;color:var(--green)}.hero h2{font:800 26px 'Manrope',sans-serif;line-height:1.35;letter-spacing:-.8px;margin:12px 0 9px;position:relative;z-index:1}.hero p{font-size:12px;color:#71836e}.primary{background:var(--green);border:0;border-bottom:3px solid #1e6044;border-radius:9px;padding:12px 21px;color:white;font-weight:700;font-size:12px}.hero .primary{margin-top:19px}.primary:hover{background:#206b4c}.hero-art{position:absolute;right:13px;bottom:0;width:190px;height:205px}.sun{position:absolute;width:105px;height:105px;background:#f2d77c;border-radius:50%;right:7px;top:12px}.steam{position:absolute;font-size:35px;color:#a9b895;top:40px;left:50px;transform:rotate(-13deg)}.basket{position:absolute;width:135px;height:73px;bottom:25px;left:25px;border-radius:12px 12px 43px 43px;background:repeating-linear-gradient(0deg,#c59b60 0 5px,#dab97f 6px 13px);border:4px solid #b48751;transform:rotate(-8deg)}.basket:before{content:'';position:absolute;inset:-25px -4px auto;height:42px;background:#e6c896;border:5px solid #bd965f;border-radius:50%}.bun{position:absolute;width:50px;height:43px;border-radius:50% 50% 35% 35%;background:#fff8dc;bottom:86px;left:43px;transform:rotate(-8deg);box-shadow:inset -4px -5px #f1e6be}.bun:after{content:'︿';position:absolute;left:17px;top:8px;color:#d8c89f}.bun.second{left:91px;bottom:91px;transform:rotate(15deg)}.spark{position:absolute;right:0;top:104px;color:#6c8f63;font-size:30px}.section-title{display:flex;align-items:center;justify-content:space-between;margin:29px 0 16px}h2{font:800 18px 'Manrope',sans-serif;margin:0;letter-spacing:-.4px}.pill{background:#eef1e9;color:#809078;border-radius:20px;padding:5px 10px;font-size:10px}.unit{border:1px solid var(--line);border-radius:14px;background:white;overflow:hidden}.unit-head{padding:19px 22px;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:center}.unit-number{background:#edf3e8;color:#679363;width:35px;height:35px;border-radius:10px;display:grid;place-items:center;font-size:12px;font-weight:700}.unit-head h3{font-size:14px;margin:0 0 5px}.unit-head p{font-size:11px}.unit-head>span:last-child{margin-left:auto;font-size:10px;color:#8b968b}.lesson-row{display:flex;align-items:center;padding:18px 22px;gap:15px;width:100%;background:white;border:0;border-bottom:1px solid #f0f1eb;text-align:left;color:var(--ink)}.lesson-row:last-child{border:0}.lesson-row:hover{background:#fafcf7}.lesson-symbol{width:42px;height:42px;border-radius:50%;background:#edf4e8;display:grid;place-items:center;color:#5d925a;font-size:20px}.lesson-row.current .lesson-symbol{background:#2b805a;color:white;box-shadow:0 0 0 5px #e8f0e0}.lesson-copy{flex:1}.lesson-copy strong{display:block;font-size:13px;margin-bottom:5px}.lesson-copy small{font-size:10px;color:#8c978b}.row-end{font-size:11px;color:#6e8b64}.lesson-row.current{background:#fbfcf6}.next-unit{margin-top:15px;opacity:.72;border:1px dashed #d7ddcf;border-radius:13px;padding:19px;display:flex;gap:15px}.next-unit h3{margin:0 0 5px;font-size:13px}.next-unit p{font-size:11px}.card{border:1px solid var(--line);border-radius:15px;background:white;padding:22px;margin-bottom:19px}.card h3{font:800 14px 'Manrope',sans-serif;margin:0 0 18px}.goal-top{display:flex;justify-content:space-between;align-items:center}.goal-top span{font-size:12px;color:#d2a547}.goal-sub{display:flex;justify-content:space-between;font-size:11px;margin-bottom:12px;color:#869183}.goal-sub b{color:var(--ink)}.progress{height:8px;border-radius:8px;background:#edf0e8;overflow:hidden}.progress i{display:block;background:#e1b64f;height:100%;border-radius:8px}.days{display:flex;justify-content:space-between;margin-top:21px}.days span{display:flex;flex-direction:column;align-items:center;gap:9px;font-size:9px;color:#9aa296}.days i{width:25px;height:25px;border:1px solid #e9ece3;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:11px}.days .today i{border-color:#daa943;background:#fff4d7;color:#b88a26}.phrase-card{background:#f6f0e4;border:1px solid #eee5d4}.phrase-card .eyebrow{color:#a58b60}.phrase-word{font-size:34px;margin:20px 0 4px;letter-spacing:5px}.jyutping{color:#a18961;font-size:12px}.phrase-card p{font-size:12px;margin:13px 0}.listen{border:1px solid #e1d5bd;color:#8b7753;background:transparent;border-radius:7px;padding:7px 12px;font-size:10px}.tip{display:flex;gap:12px;padding:4px 8px}.tip>span{font-size:24px;color:#b4bf9a}.tip h4{font-size:11px;margin:0 0 6px}.tip p{font-size:11px;line-height:1.7}footer{display:flex;justify-content:space-between;margin:35px 0 20px;padding-top:18px;border-top:1px solid var(--line);font-size:9px;color:#9da599}footer span{font-size:8px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.phrase-item{border:1px solid var(--line);background:white;border-radius:14px;padding:22px}.phrase-item h3{font-size:28px;margin:12px 0}.phrase-item p{font-size:12px}.phrase-item button{margin-top:15px}.search{width:100%;border:1px solid var(--line);padding:14px;border-radius:9px;margin-bottom:22px;font:inherit}.tone-num{font-size:40px;color:var(--green);font-weight:800}.tone-line{height:65px;width:100%;margin:10px 0}.tone-line polyline{fill:none;stroke:#36916a;stroke-width:3}.secondary{background:white;border:1px solid #d6dfd0;border-bottom-width:3px;border-radius:9px;padding:11px 18px;color:var(--green);font-weight:700}.practice-card{padding:32px;background:#edf2e4;border-radius:16px;margin-bottom:20px}.practice-card h2{margin-bottom:12px}.practice-card button{margin-top:20px}dialog{border:0;border-radius:22px;width:min(650px,94vw);padding:35px;color:var(--ink);box-shadow:0 20px 100px #15342322}dialog::backdrop{background:#1e342f99;backdrop-filter:blur(4px)}.lesson-top{display:flex;gap:20px;align-items:center;margin-bottom:35px}.lesson-top .progress{flex:1}.close{border:0;background:none;font-size:25px;color:#91a18e}.question-label{font-size:10px;color:#91a18e;letter-spacing:1.5px;margin-bottom:12px}.question-word{text-align:center;font-size:52px;margin:20px 0 5px}.question-jp{text-align:center;color:#809676;margin-bottom:24px}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.answer{border:2px solid #e3e8dc;border-bottom-width:4px;border-radius:12px;background:white;padding:18px;color:var(--ink)}.answer.selected{border-color:#75a770;background:#edf5e7}.answer.correct{border-color:#40946b;background:#edf6e7}.answer.wrong{border-color:#d99481;background:#fff0e9}.feedback{min-height:52px;font-size:13px;line-height:1.6}.lesson-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:20px}.lesson-bottom small{color:#93a08a;font-size:11px}.finish{text-align:center;padding:20px}.finish .medal{font-size:70px;margin-bottom:20px}.finish h2{font-size:28px}.finish p{margin:15px 0 25px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:9px;padding:12px 20px;font-size:12px;display:none;z-index:10}@media(min-width:1400px){main{padding:0 60px}.layout{grid-template-columns:1fr 310px;gap:32px}.hero-art{right:35px}}@media(max-width:1100px){aside{width:200px;padding:30px 15px}main{margin-left:200px;padding:0 25px}.layout{grid-template-columns:minmax(330px,1fr) 245px;gap:18px}.hero-art{opacity:.5;right:-40px}.hero h2,.hero p,.hero button{position:relative;z-index:1}.grid{grid-template-columns:repeat(2,1fr)}.stats{gap:14px}}@media(max-width:850px){aside{width:82px;padding:25px 12px}.brand{font-size:0}.brand-icon{font-size:24px}.dot,.course,.side-bottom,nav span{display:none}nav{margin-top:35px}nav button{justify-content:center;padding:14px}main{margin-left:82px;padding:0 22px}.layout{grid-template-columns:1fr}.right-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.tip{display:none}.welcome .date{display:none}footer span{display:none}}@media(max-width:550px){aside{inset:auto 0 0;width:100%;height:68px;padding:0;z-index:5;border-top:1px solid var(--line)}.brand{display:none}nav{display:flex;margin:0}nav button{margin:0;border-radius:0;flex:1}nav span{display:block;font-size:9px!important}nav button{flex-direction:column;gap:2px;padding:7px;font-size:20px}main{margin:0;padding:0 18px 65px}header{height:70px}.breadcrumb{font-size:8px;letter-spacing:1px}.stats{gap:12px}.stats small{display:none}h1{font-size:27px}.welcome{margin-top:25px}.welcome p{font-size:12px}.hero{padding:25px;min-height:215px}.hero-art{right:-22px;opacity:.7}.hero h2{font-size:24px}.right-col{display:block}.right-col .card{margin-bottom:15px}.grid{grid-template-columns:1fr 1fr;gap:10px}.phrase-item{padding:16px}.phrase-item h3{font-size:25px}dialog{padding:24px}.answers{gap:8px}.answer{padding:14px 8px}footer{font-size:8px}}
.primary:disabled{opacity:.45;cursor:default}.answer:disabled{cursor:default}

.audio-help-link{border:0;background:none;color:var(--green);font-size:11px;text-decoration:underline;padding:0 10px 0 0}.audio-steps{padding-left:23px;line-height:1.7;font-size:14px}.audio-steps li{margin:13px 0}.audio-message{margin:18px 0;color:var(--green)}#audioHelp{max-height:85dvh;overflow:auto}footer{flex-wrap:wrap;gap:12px}
/* Guided course */
.level-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:0 0 24px}.level-button{border:1px solid #dce4d5;border-bottom-width:3px;border-radius:12px;background:#fff;color:var(--ink);padding:13px 10px;display:flex;align-items:center;justify-content:center;gap:12px}.level-button b{font:800 17px Manrope,sans-serif}.level-button small{font-size:10px;color:#83917d}.level-button.selected,.lesson-tabs .selected{background:#e8f2e0;border-color:#80a775;color:#236841}.hero-description{max-width:70%;position:relative;z-index:1;line-height:1.7!important}.skill-status{display:block;font-size:9px;color:#7d8e73;margin-top:9px}.lesson-copy small{line-height:1.6;display:block}.checkpoint{margin-top:22px;background:#f1f3e8}.checkpoint h2{margin-top:12px}.checkpoint p{font-size:12px}.small-note{font-size:12px!important;line-height:1.8;margin:12px 0;color:#6f8068}.scope-note{border:1px solid var(--line);border-radius:10px;padding:16px;font-size:12px;background:white}.scope-note summary,details summary{cursor:pointer;color:var(--green);font-weight:600}.scope-note p{margin-top:12px;font-size:12px}.filter-row{display:flex;gap:12px;align-items:flex-start}.filter-row .search{flex:1;min-width:0}.filter-row select{padding:14px 10px;border:1px solid var(--line);border-radius:9px;background:white;color:var(--ink);font:inherit}.phrase-item h3{font-size:23px;line-height:1.6;letter-spacing:0;margin:14px 0 8px;overflow-wrap:anywhere}.phrase-item .eyebrow{line-height:1.7;letter-spacing:1px;font-size:8px}.phrase-item h3 small{font-size:14px;color:#84947e}.phrase-item .jyutping{line-height:1.7}.button-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:18px 0}.file-label{cursor:pointer;font-size:12px}.file-label input{display:none}.audio-dock{padding:14px;background:#f0f5e8;border:1px solid #dce7cf;border-radius:12px;margin:14px 0;position:sticky;bottom:10px;z-index:3}.audio-dock[hidden]{display:none}.audio-dock audio{width:100%;display:block}.audio-help-link{line-height:1.6}#lesson{width:min(800px,96vw);max-height:92dvh;overflow:auto;padding:30px 35px}.lesson-title{font-size:25px;line-height:1.4;margin-bottom:20px}.lesson-tabs{display:flex;gap:8px;margin:0 0 24px}.lesson-tabs button{flex:1;border:1px solid var(--line);border-bottom-width:3px;border-radius:9px;padding:12px;background:white;color:var(--ink);font-size:12px;font-weight:700}.explanation{background:#eff4e6;border-radius:12px;padding:22px;margin-bottom:25px}.explanation h3{font:800 17px Manrope,sans-serif;margin:12px 0;line-height:1.5}.explanation p{font-size:13px;line-height:1.9;color:#64765d}#lessonBody>h3{font-size:16px;margin:24px 0 15px}.study-expressions article{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}.study-expressions strong{font-size:23px;line-height:1.7}.study-expressions p{font-size:12px;margin-top:5px}.study-expressions .listen{white-space:nowrap}.reading-block{border:1px solid var(--line);padding:22px;border-radius:12px;margin:25px 0}.chinese-passage{font-size:20px;line-height:2.1;letter-spacing:.5px;color:var(--ink);margin:15px 0;overflow-wrap:anywhere}.reading-block details{margin-top:16px}.reading-block details p,.model-answer details p{font-size:13px;margin-top:12px;line-height:1.9}.completion-status{border-top:1px solid var(--line);padding-top:18px;margin-top:25px;font-size:11px;color:#7f9075;line-height:1.8}.field-label{display:block;font-size:12px;font-weight:700;margin:20px 0 10px}textarea{resize:vertical;min-height:150px;width:100%;border:1px solid #dce5d5;border-radius:10px;padding:16px;background:#fcfdf9;color:var(--ink);font:16px/1.9 'DM Sans',sans-serif}.model-answer{padding:16px;background:#f9f6ed;border-radius:10px;margin:22px 0}.model-answer p{font-size:13px;margin-top:12px}.rubric{display:flex;flex-direction:column;gap:14px;margin:20px 0 25px}.rubric label{font-size:13px;line-height:1.8;display:flex;gap:10px;align-items:flex-start}.rubric input{margin-top:5px;accent-color:var(--green);width:18px;height:18px;flex-shrink:0}.recorder-box{border:1px solid var(--line);border-radius:12px;padding:20px;margin:24px 0}.recorder-box h3{font-size:15px}.recorder-box audio{width:100%;margin:15px 0}.recorder-box a{display:block;color:var(--green);font-size:12px}#recordTime{font-size:13px}.quiz-passage{padding:20px;background:#f3f6ec;border-radius:10px;max-height:300px;overflow:auto;font-size:19px}.listening-question{background:#eef3e5;padding:25px;border-radius:13px;margin:25px 0}.question-word{font-size:35px;line-height:1.8}.question-jp{font-size:13px;line-height:1.8}.answer{line-height:1.6;font-size:13px;min-height:80px;padding:16px 14px;text-align:left}.feedback{margin:20px 0;line-height:1.8}.feedback p{font-size:13px;color:#6c7f63;margin:10px 0}.feedback details{font-size:12px}.finish h2{font-size:25px}.finish p{font-size:13px}.finish .button-row{justify-content:center}.diagnostic-results{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:22px 0}.diagnostic-results span{padding:12px 8px;background:#edf3e6;border-radius:8px;font-size:12px}.diagnostic-results b{display:block;margin-top:10px}.lesson-top .eyebrow{flex:1;line-height:1.5}.lesson-top .pill{font-size:9px}.search:focus,textarea:focus{outline:2px solid #7faa72;outline-offset:2px}button:disabled{cursor:default;opacity:.6}button.answer:disabled{opacity:1}.hero .hero-art{opacity:.55}footer{line-height:1.7}nav button{min-height:48px}.listen{min-height:36px}#audioHelp{max-height:88dvh;overflow:auto}#audioHelp .secondary{display:inline-block;text-decoration:none;font-size:12px}#importStatus .secondary{margin:12px 0}#pageAudio{position:static}
@media(max-width:1100px){.hero-description{max-width:85%}.level-button{gap:8px}.layout{grid-template-columns:minmax(320px,1fr) 245px}}@media(max-width:850px){.layout{grid-template-columns:1fr}.right-col{display:grid;grid-template-columns:1fr 1fr}.right-col>.card:last-child{grid-column:1/-1}.hero-description{max-width:80%}}@media(max-width:550px){.level-picker{gap:6px}.level-button{flex-direction:column;gap:3px;padding:10px 5px}.level-button b{font-size:14px}.level-button small{font-size:9px}.hero-description{max-width:90%}.hero-art{opacity:.2!important}.right-col{display:block}.grid{grid-template-columns:1fr}.phrase-item h3{font-size:25px}#lesson{padding:22px 18px;max-height:94dvh;border-radius:16px}.lesson-top{gap:10px;margin-bottom:22px}.lesson-title{font-size:23px}.lesson-tabs{gap:6px}.lesson-tabs button{font-size:11px;padding:11px 6px}.explanation{padding:18px}.study-expressions article{align-items:flex-start;gap:10px}.study-expressions strong{font-size:21px}.study-expressions .listen{font-size:10px;padding:6px 9px;margin-top:6px}.reading-block{padding:17px}.chinese-passage{font-size:19px;line-height:2}.answers{grid-template-columns:1fr}.answer{min-height:54px}.question-word{font-size:29px}.question-label{font-size:9px;line-height:1.8}.lesson-bottom{gap:12px}.lesson-bottom small{font-size:9px}.diagnostic-results{grid-template-columns:repeat(3,1fr)}.filter-row{gap:8px}.filter-row select{max-width:110px}.lesson-row{padding:18px 15px;gap:13px}.skill-status{font-size:8px}#pageAudio{margin-bottom:14px}.finish{padding:10px 0}.finish h2{font-size:23px}.scope-note{line-height:1.8}}

.header-note{font-size:11px;color:#7a8d70;letter-spacing:.5px}.study-guide .listen{margin-top:8px}@media(max-width:550px){.header-note{font-size:9px;letter-spacing:0}}
.world-banner{position:relative;overflow:hidden;border-radius:18px;margin-bottom:28px;background:#e7e9d5;aspect-ratio:2.7}.world-banner>img{width:100%;height:100%;object-fit:cover;object-position:center 63%;display:block}.world-caption{position:absolute;inset:0 auto 0 0;display:flex;flex-direction:column;justify-content:center;padding:30px;width:47%;background:linear-gradient(90deg,#fcf5e4f5 55%,#fcf5e400)}.world-caption h2{font-size:24px;line-height:1.45;margin:12px 0}.world-caption p{font-size:11px;color:#6f7c63}.world-caption .eyebrow{font-size:8px;letter-spacing:1.3px}.hero-seal{position:absolute;right:30px;top:35px;color:#688b52;font-size:55px;text-align:center;line-height:1.2;transform:rotate(-7deg);opacity:.3}.hero-seal small{font-size:15px}.hero-description{max-width:80%}.unit-filter{display:flex;gap:12px;align-items:center;margin-bottom:17px}.unit-filter label{font-size:11px;font-weight:600;white-space:nowrap}.unit-filter select{width:100%;min-width:0;padding:12px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--ink);font:12px 'DM Sans',sans-serif}.unit-tag{display:block;margin-top:7px;font-size:9px;color:#9b8561}.cast-card{padding:18px 14px;background:#fcf7eb}.cast-card>img{width:100%;display:block;margin:12px 0 0}.cast-names{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;gap:3px}.cast-names span{font-size:11px;color:#a29072}.cast-names b{display:block;font-size:9px;color:#34483a;margin-bottom:4px}.cast-card>p{font-size:11px;margin:14px 5px 10px;text-align:center}.cast-card>.audio-help-link{display:block;margin:auto;font-size:10px}.lesson-scene{height:185px;border-radius:12px;background-image:url('art/hong-kong-scenes.webp');background-size:200% 200%;background-repeat:no-repeat;margin-bottom:18px;position:relative;overflow:hidden}.scene-cafe{background-position:0 0}.scene-transport{background-position:100% 0}.scene-market{background-position:0 100%}.scene-culture{background-position:100% 100%}.scene-caption{position:absolute;bottom:13px;left:14px;max-width:90%;border-radius:6px;background:#fff9e9ed;padding:7px 12px;font-size:11px;color:#4b5f43}.guide-note{display:flex;gap:12px;align-items:flex-start;padding:14px;background:#f7f0e1;border-radius:10px;margin:0 0 20px}.guide-dot{flex-shrink:0;width:35px;height:35px;display:grid;place-items:center;border:2px solid #cba366;border-radius:50%;background:#fff9e4;color:#8b6b3d;font-size:18px}.guide-note p{font-size:11px;line-height:1.8;color:#5c7052}.guide-note p span{color:#88917c}.culture-note{background:#f4f6ed;border:1px solid #e4e9da;border-radius:10px;padding:15px;margin-bottom:20px;font-size:12px}.culture-note p{font-size:12px;line-height:1.8;margin:12px 0}.friends-art{width:100%;display:block;margin:18px 0}.friends-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.friends-grid h3{font-size:15px}.friends-grid p{font-size:12px;line-height:1.8}#friendsDialog,#cultureDialog{width:min(760px,94vw);max-height:90dvh;overflow:auto;padding:28px}#friendsDialog h2,#cultureDialog h2{font-size:25px;margin:15px 0}#cultureDialog h3{font-size:16px;margin-top:25px}#cultureDialog p{font-size:13px;margin:12px 0}.cassette-art{background:#355a49;border:9px solid #ddc599;border-radius:16px;text-align:center;padding:25px;color:#ede0bb;margin:25px auto;max-width:300px;box-shadow:0 6px 0 #bba178}.cassette-art span{display:block;font-size:40px;letter-spacing:8px}.cassette-art small{font-size:9px;letter-spacing:3px}.right-col{align-content:start}@media(max-width:1100px){.world-caption h2{font-size:20px}.world-caption{padding:22px;width:52%}.world-banner{aspect-ratio:2.4}}@media(max-width:850px){.world-banner{aspect-ratio:2.4}.right-col{display:block}.hero-seal{right:28px}.cast-card{margin-top:0}}@media(max-width:550px){.world-banner{aspect-ratio:1.6;margin-bottom:20px}.world-caption{inset:auto 0 0;width:100%;padding:20px 15px 12px;background:linear-gradient(0deg,#fff6e6fa,#fff6e600)}.world-caption h2{font-size:18px;margin:6px 0}.world-caption p{font-size:9px}.world-caption .eyebrow{font-size:7px}.world-banner>img{object-position:60% 58%}.unit-filter{gap:8px}.unit-filter label{font-size:10px}.lesson-scene{height:150px}.friends-grid{grid-template-columns:1fr}.cast-card>img{max-height:220px;object-fit:contain}.guide-note p{font-size:10px}.hero-seal{font-size:45px;right:15px}.cast-names b{font-size:11px}#friendsDialog,#cultureDialog{padding:22px}}
.cast-card>img,.friends-art{aspect-ratio:2.2;object-fit:cover;object-position:center 80%}.friends-art{border-radius:12px}.right-col>.cast-card{grid-column:auto}
.lesson-scene{background-size:200% auto}.scene-cafe{background-position:0 24%}.scene-transport{background-position:100% 24%}.scene-market{background-position:0 84%}.scene-culture{background-position:100% 84%}
.guide-portrait{display:block;flex-shrink:0;width:58px;height:58px;border-radius:50%;border:2px solid #e2cfaa;background-image:url('art/dim-sum-friends.webp');background-size:400% auto;background-repeat:no-repeat}.guide-bao{background-position:0 75%}.guide-har-gow{background-position:33.333% 75%}.guide-siu-mai{background-position:66.667% 75%}.guide-dan-tat{background-position:100% 75%}
/* Immersive learning sessions, including Safari's dynamic viewport and safe areas. */
html.learning-session{overflow:hidden}html.learning-session body{overflow:hidden}#lesson{inset:0;width:100%;height:100vh;height:100dvh;max-width:none;max-height:none;margin:0;border:0;border-radius:0;padding:calc(24px + env(safe-area-inset-top)) 30px calc(30px + env(safe-area-inset-bottom));background:#fafbf7;overscroll-behavior:contain}#lessonBody{width:min(800px,100%);margin:0 auto}#lesson .lesson-top{position:relative;margin-bottom:25px}#lesson .lesson-top .progress{height:12px}#lesson .lesson-top .progress i{background:#77a15e!important}#lesson .lesson-title{font-size:30px}#lesson .lesson-tabs{position:sticky;top:-1px;background:#fafbf7;padding:8px 0;z-index:4}#lesson .lesson-scene{height:200px}#lesson .completion-status{padding-bottom:20px}#lesson.exercise-mode{padding-bottom:190px}#lesson.exercise-mode #lessonBody{max-width:760px}.exercise-prompt{font-size:27px;line-height:1.45;margin:8px 0 0;letter-spacing:-.7px}.exercise-composition{position:relative;width:min(450px,100%);height:210px;margin:10px auto 0;background:#fbf5e8;border-radius:100px 100px 30px 30px;overflow:hidden}.pose-character{position:absolute;width:190px;height:190px;bottom:10px;left:25px;background-image:url('art/dim-sum-poses.webp');background-size:400% 400%;background-position:calc(var(--col)*100%/3) calc(var(--row)*100%/3);background-repeat:no-repeat}.topic-prop{position:absolute;width:135px;height:135px;right:45px;bottom:30px;transform:rotate(-5deg)}.scene-detail{position:absolute;right:15px;bottom:12px;max-width:48%;font-size:9px;line-height:1.4;color:#99866b}.exercise-character-name{font-size:10px;text-align:center;color:#97a18d;margin:5px 0 15px}.question-word{font-size:32px;margin:10px 0 4px}.question-jp{margin-bottom:15px}.exercise-mode .answers{margin:20px 0;gap:12px}.exercise-mode .answer{text-align:center;min-height:63px;background:#fff;border-radius:13px;border-bottom-width:4px}.exercise-mode .answer.selected{background:#e6f0df}.exercise-mode .answer.correct{background:#e6f2df}.exercise-mode .answer.wrong{background:#fbede4}.exercise-mode .lesson-bottom{position:fixed;bottom:0;left:0;right:0;z-index:9;padding:18px max(30px,calc((100vw - 760px)/2)) calc(18px + env(safe-area-inset-bottom));background:#fafbf7;border-top:1px solid #e0e6d9;min-height:90px;gap:25px}.exercise-mode .lesson-bottom .primary{font-size:14px;min-width:175px;min-height:49px}.exercise-mode #lessonAudio{position:fixed;bottom:calc(96px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 40px));z-index:10;padding:7px;margin:0}.exercise-mode .quiz-passage{font-size:18px;max-height:250px}.exercise-mode .listening-question{margin:12px 0 15px;padding:18px}.gap-cue{font-size:13px;text-align:center;color:#89947f;margin:14px 0 8px}.gap-sentence{font-size:25px;line-height:2.2;text-align:center;margin:10px 0 25px}.gap-sentence span{display:inline-block;min-width:65px;border-bottom:2px dashed #8da779;color:#467052;margin:0 5px}.exercise-mode .feedback{margin:20px 0 12px}.finish .exercise-composition{margin-bottom:20px}.finish .exercise-character-name{margin-bottom:18px}@media(max-width:550px){#lesson{padding:calc(18px + env(safe-area-inset-top)) 20px calc(30px + env(safe-area-inset-bottom))}#lesson .lesson-title{font-size:26px}.exercise-prompt{font-size:24px}.exercise-composition{height:195px;max-width:350px}.pose-character{width:175px;height:175px;left:8px;bottom:10px}.topic-prop{right:16px;width:120px;height:120px;bottom:35px}.scene-detail{font-size:8px;max-width:43%}.exercise-mode .answers{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.exercise-mode .answer{font-size:12px;padding:13px 10px;min-height:59px;overflow-wrap:anywhere}.exercise-mode .lesson-bottom{padding:14px 20px calc(14px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:0;min-height:80px}.exercise-mode .lesson-bottom>small{display:none}.exercise-mode .lesson-bottom .primary{width:100%;min-height:48px;font-size:14px}.exercise-mode #lessonAudio{bottom:calc(83px + env(safe-area-inset-bottom));width:calc(100% - 40px)}#lesson.exercise-mode{padding-bottom:180px}.gap-sentence{font-size:22px}.question-word{font-size:28px}.exercise-mode .quiz-passage{max-height:210px;font-size:17px}#lesson .lesson-scene{height:170px}}
#lesson .lesson-top{position:sticky;top:0;z-index:7;padding:10px 0;background:#fafbf7}#lesson .lesson-tabs{top:62px}#lesson:not(.exercise-mode) #lessonAudio{max-width:800px;margin:18px auto}#lesson.exercise-mode .lesson-top{margin-top:-5px}