:root{--blue:#247bff;--ink:#202936;--muted:#8893a3;--line:#e7ecf3;--surface:#fafbfd;--yellow:#f4c94e;--green:#39a870}*{box-sizing:border-box}body{margin:0;background:var(--surface);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:15px;line-height:1.6}button,input,textarea{font:inherit}button{cursor:pointer;border:0;background:transparent;color:inherit;transition:transform .15s,background .15s}button:active{transform:scale(.98)}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #9cc1ff;outline-offset:4px}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:238px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:34px 25px;display:flex;flex-direction:column;z-index:15}.brand{display:flex;align-items:center;gap:11px;font-size:24px;letter-spacing:-1px;font-weight:750}.brand-mark{width:37px;height:37px;border-radius:12px;background:var(--blue);display:grid;place-items:center;color:white;font-weight:700;font-size:25px}.brand .dot{color:var(--blue)}.brand-caption{font-size:10px;letter-spacing:3.4px;color:var(--muted);margin:11px 0 42px}.nav{display:flex;flex-direction:column;gap:8px}.nav a{padding:13px 17px;border-radius:13px;display:flex;gap:15px;align-items:center;color:#718097;font-size:14px;font-weight:550}.nav a.active{background:#edf4ff;color:var(--blue)}.nav svg{width:20px;height:20px}.nav-label{font-size:10px;letter-spacing:2px;color:#acb4c0;padding:34px 17px 12px}.sidebar-foot{margin-top:auto;padding-top:40px}.side-coach{border:1px solid #f1e5b6;background:#fffaf0;border-radius:16px;padding:18px;font-size:12px;color:#917c44}.side-coach img{width:44px;height:44px;border-radius:50%;margin-bottom:6px}.device-note{margin-top:25px;padding:0 8px;color:#9aa3b1;font-size:10px}.main{margin-left:238px;width:calc(100% - 238px);padding:0 44px 65px;max-width:1570px}.topbar{height:91px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;color:#94a0b0}.top-meta{display:flex;align-items:center;gap:17px}.mode{font-size:10px;color:#7b8da6;background:#eff3f8;padding:5px 11px;border-radius:20px}.avatar{height:42px;width:42px;border-radius:50%;object-fit:cover}.page-head{display:flex;justify-content:space-between;align-items:end;margin:35px 0 27px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:2.4px;color:var(--blue)}h1{font-size:29px;font-weight:700;letter-spacing:-1px;line-height:1.4;margin:8px 0 9px}h2{font-size:19px;font-weight:650;margin:0}h3{font-size:17px;font-weight:650;margin:0 0 8px}p{margin:0}.muted{color:var(--muted);font-size:12px}.day-streak{display:flex;gap:9px;align-items:center;color:#9e842b;background:#fff6d9;padding:10px 17px;border-radius:14px;font-size:12px}.dashboard{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:26px}.hero{background:#edf4ff;border:1px solid #dce8fb;border-radius:24px;padding:32px;position:relative;overflow:hidden;min-height:293px}.hero-copy{max-width:74%;position:relative;z-index:1}.badge{display:inline-flex;align-items:center;gap:6px;color:var(--blue);background:#fff;font-size:10px;font-weight:600;border-radius:7px;padding:5px 9px}.hero h2{font-size:26px;line-height:1.55;letter-spacing:-.7px;margin:17px 0 10px}.hero p{font-size:12px;color:#8090a7}.hero-cat{position:absolute;right:27px;bottom:35px;width:113px;height:113px;border-radius:50%;transform:rotate(-7deg);box-shadow:0 0 0 15px #e4eefe,0 0 0 30px #e9f1fe}.primary,.secondary,.quiet{display:inline-flex;align-items:center;justify-content:center;gap:13px;padding:13px 21px;border-radius:12px;font-size:13px;font-weight:600}.primary{background:var(--blue);color:white;box-shadow:0 3px 0 #1766dc}.primary:hover{background:#176df1}.secondary{background:#eef5ff;color:var(--blue)}.secondary:hover{background:#e3eeff}.quiet{background:#f1f4f8;color:#65758c}.hero .primary{margin-top:23px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 17px}.text-btn{color:var(--blue);font-size:12px;padding:5px 0}.modules{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.module{background:#fff;border:1px solid var(--line);border-radius:18px;text-align:left;padding:19px 17px;min-height:145px;transition:border-color .15s,transform .15s}.module:hover{border-color:#a8c7fb;transform:translateY(-2px)}.module-icon{display:grid;place-items:center;color:var(--blue);background:#f0f5ff;width:34px;height:34px;border-radius:10px;margin-bottom:16px}.module-icon svg{width:19px;height:19px}.module-title{font-weight:650;font-size:13px}.module-en{font-size:9px;color:#96a0b0;margin-top:4px;line-height:1.5}.right-card,.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:23px}.right-card+.right-card{margin-top:20px}.weekly{display:flex;justify-content:space-between;margin:25px 0 14px}.weekday{text-align:center;font-size:10px;color:#9aa4b2}.week-dot{height:25px;width:25px;border-radius:50%;display:grid;place-items:center;background:#f1f4f8;margin-bottom:7px;color:#fff}.week-dot.done{background:var(--blue)}.today-progress{height:5px;border-radius:5px;background:#eaf0f8;overflow:hidden;margin:16px 0}.today-progress span{display:block;height:100%;background:var(--blue)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:19px 0}.metric{background:#f7f9fc;padding:16px 12px;border-radius:13px}.metric strong{font-size:25px;color:var(--blue);font-weight:700;display:block;line-height:1.3}.metric span{font-size:10px;color:#91a0b4}.quick{width:100%;display:flex;gap:12px;align-items:center;text-align:left;padding:14px 0;border-top:1px solid #f1f3f7;font-size:12px}.quick:first-of-type{border:0}.quick-icon{background:#fff6dc;color:#b5942d;border-radius:11px;width:34px;height:34px;display:grid;place-items:center}.quick-icon svg{width:18px;height:18px}.grow{flex:1;min-width:0}.recent{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px;display:flex;align-items:center;gap:14px;margin:10px 0;width:100%;text-align:left}.status{display:inline-block;font-size:10px;border-radius:6px;padding:3px 9px;background:#f0f4fa;color:#8493a8}.status.done{background:#edf8f1;color:#469a6e}.status.started{background:#edf4ff;color:var(--blue)}.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.scenario-card{padding:25px}.scenario-card h3{margin:17px 0 5px}.scenario-card .secondary,.scenario-card .primary,.scenario-card .quiet{margin-top:22px}.meta-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.filter{padding:8px 14px;border-radius:20px;border:1px solid var(--line);background:#fff;color:#8492a5;font-size:12px}.filter.active{color:var(--blue);background:#eef5ff;border-color:#d7e6fe}.empty{background:#fff;border:1px dashed #dce4ef;border-radius:20px;text-align:center;padding:55px 20px;color:#8492a4;font-size:13px}.empty strong{display:block;color:#4d5d73;font-size:19px;margin-bottom:10px}.training-page{max-width:980px;margin:27px auto}.training-header{display:flex;gap:17px;align-items:center;justify-content:space-between;margin-bottom:20px}.back{width:36px;height:36px;display:grid;place-items:center;background:white;border:1px solid var(--line);border-radius:11px;font-size:22px}.training-header h1{font-size:22px;margin:0 0 5px}.score-pill{font-size:11px;color:#8494aa;text-align:right;white-space:nowrap}.score-pill b{color:var(--blue);margin-left:7px}.progress{height:7px;border-radius:9px;background:#e6edf6;overflow:hidden}.progress span{display:block;height:100%;background:var(--blue);transition:width .25s}.training-grid{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:23px;margin-top:28px}.training-stage{background:#fff;border:1px solid var(--line);border-radius:23px;padding:29px;min-width:0}.speaker{display:flex;align-items:center;gap:12px;margin-bottom:22px}.speaker strong{font-size:14px;display:block}.dialogue{background:#f7f9fc;border:1px solid #e8edf4;border-radius:3px 18px 18px 18px;padding:25px;font-size:20px;line-height:1.75;letter-spacing:-.2px}.blind{text-align:center;color:#8f9bb0;padding:17px 0;font-size:13px}.wave{font-size:34px;letter-spacing:6px;color:var(--blue);line-height:1.8}.translation{font-size:12px;color:#8a98ae;border-top:1px solid #e5ebf3;margin-top:17px;padding-top:17px}.coach{padding:17px 20px;border-radius:14px;background:#eff5fe;font-size:12px;color:#7c8da7;margin:22px 0}.audio-panel{border:1px solid var(--line);border-radius:14px;padding:13px 16px;margin:22px 0}.audio-controls{display:flex;justify-content:space-between;align-items:center;gap:8px}.audio-controls .secondary{padding:9px 12px;font-size:11px}.rates{display:flex;gap:2px}.rate{font-size:11px;color:#9aa5b5;border-radius:7px;padding:6px}.rate.active{color:var(--blue);background:#edf4ff}.audio-progress{height:3px;background:#edf1f8;border-radius:4px;margin-top:12px;overflow:hidden}.audio-progress span{display:block;height:100%;background:var(--blue)}.step-label{font-size:10px;letter-spacing:2px;color:var(--blue);font-weight:600;margin-bottom:16px}.question{font-size:18px;font-weight:600;margin:14px 0 23px;line-height:1.65}.option{display:flex;gap:14px;width:100%;text-align:left;background:white;border:1.5px solid #e1e7f0;border-radius:15px;padding:17px 18px;margin:12px 0;font-size:15px;line-height:1.65}.option:hover:not(:disabled){border-color:#aac8fb;background:#f9fbff}.option:disabled{opacity:1}.option-label{font-size:11px;color:#92a0b4;margin-top:3px;min-width:15px}.option.selected{background:#eef5ff;border-color:#8dbaff}.option.correct{background:#eef9f2;border-color:#a9d6bb}.option.wrong{background:#fff2f2;border-color:#e6bcc1}.feedback{padding:21px;border-radius:16px;background:#eef8f2;color:#3a8159;font-size:13px;margin:20px 0}.feedback strong{font-size:16px;display:block;margin-bottom:9px}.feedback.wrong{background:#fff3f3;color:#a76b70}.explanation{background:#fffae7;border:1px solid #f0e0a7;border-radius:17px;padding:25px;font-size:14px}.explanation h2{color:#947822;font-size:21px;margin-bottom:23px}.explain-label{font-size:12px;color:#9b8236;font-weight:700;margin-bottom:10px}.divider{height:1px;background:#ece2bd;margin:22px 0}.english{font-size:18px;line-height:1.75}.phrase-chip{border:1px solid #e8d998;background:#ffffffa6;border-radius:11px;padding:13px 17px;display:flex;justify-content:space-between;width:100%;margin:10px 0;font-size:14px;color:#8a712a;text-align:left}.next-button{margin-top:24px;width:100%}.notebook{align-self:start}.notebook h3{font-size:13px}.step-list{margin-top:20px}.step-item{display:flex;align-items:center;gap:10px;font-size:11px;color:#a0aaba;padding:10px 0}.step-number{border-radius:50%;height:22px;width:22px;background:#f2f4f8;display:grid;place-items:center;font-size:10px}.step-item.current{color:var(--blue);font-weight:600}.step-item.current .step-number{background:var(--blue);color:white}.step-item.done{color:#72967d}.step-item.done .step-number{background:#edf7f0;color:#5ca178}.history{margin-top:20px;font-size:11px;color:#919eb1;line-height:1.7}.history strong{font-size:10px;display:block;color:#788aa5;margin-bottom:8px}.history p{padding:12px 0;border-bottom:1px solid var(--line)}textarea,input[type=text]{width:100%;background:#fff;border:1px solid #dfe6f0;border-radius:12px;padding:14px;color:#2b394e;font-size:14px;outline:none}textarea{resize:vertical;min-height:130px}.button-row{display:flex;gap:10px;margin:18px 0;flex-wrap:wrap}.button-row>*{flex:1}.error-note{background:#fff2f2;color:#ac7276;border-radius:10px;padding:11px 14px;font-size:12px;margin-top:13px}.summary-wrap{max-width:720px;margin:38px auto;text-align:center}.summary-cat{width:100px;height:100px;border-radius:50%;box-shadow:0 0 0 10px #edf4ff;margin-bottom:20px}.summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:30px 0}.summary-stat{padding:24px 10px;background:white;border:1px solid var(--line);border-radius:20px}.summary-stat strong{display:block;font-size:30px;color:var(--blue)}.summary-stat span{font-size:11px;color:#8e9aad}.expression-list{text-align:left}.expression-list .card{margin-bottom:12px;padding:20px}.expression-list .card h3{font-size:17px}.collection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.collection-card{text-align:left;cursor:pointer}.collection-card h3{font-size:18px}.review-card{margin-bottom:20px;max-width:810px}.notice{background:#fff8e1;color:#9a8440;border-radius:13px;padding:15px 19px;font-size:12px;margin:20px 0}.profile-grid{max-width:850px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.stats-big{padding:22px 0}.stats-big strong{font-size:34px;color:var(--blue);display:block}.modal-backdrop{position:fixed;inset:0;background:#1d2a4155;display:grid;place-items:center;padding:20px;z-index:50;backdrop-filter:blur(4px)}.modal{width:100%;max-width:480px;background:#fff;border-radius:23px;padding:29px;max-height:88vh;overflow:auto;box-shadow:0 20px 60px #14264220}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.close{font-size:22px;background:#f4f6f9;width:30px;height:30px;border-radius:50%}.modal .divider{background:var(--line)}.modal h2{font-size:25px;margin:10px 0}.modal .english{margin:20px 0 10px}.boot{padding:100px;text-align:center;color:#8593a8}.loading-dot{display:inline-block;height:6px;width:6px;background:var(--blue);border-radius:50%;margin-right:7px}#toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(20px);padding:12px 20px;border-radius:13px;background:#263751;color:white;z-index:70;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90%}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}.mobile-nav{display:none}.footer{font-size:10px;color:#a2adbc;margin-top:40px;display:flex;justify-content:space-between}.fade{animation:appear .22s ease-out}@keyframes appear{from{opacity:.5;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1600px){.main{margin-left:auto;margin-right:auto;padding-left:275px;width:100%;max-width:1550px}}@media(max-width:1190px){.sidebar{width:208px;padding:30px 20px}.main{margin-left:208px;width:calc(100% - 208px);padding:0 28px 60px}.dashboard{grid-template-columns:minmax(0,1fr) 245px;gap:18px}.modules{grid-template-columns:repeat(2,1fr)}.hero-cat{width:90px;height:90px;right:23px}.hero-copy{max-width:76%}.hero h2{font-size:23px}.training-grid{grid-template-columns:minmax(0,1fr) 215px}}@media(max-width:900px){.sidebar{width:180px;padding:28px 16px}.main{margin-left:180px;width:calc(100% - 180px);padding:0 23px 50px}.brand{font-size:21px}.brand-caption{letter-spacing:2px;font-size:9px}.dashboard{grid-template-columns:1fr}.dashboard-right{display:grid;grid-template-columns:1fr 1fr;gap:18px}.right-card+.right-card{margin:0}.dashboard-right .right-card:last-child{grid-column:1/-1}.training-grid{grid-template-columns:1fr}.notebook{display:none}.hero-cat{width:110px;height:110px}.scenario-grid{grid-template-columns:1fr}h1{font-size:25px}.day-streak{font-size:10px;padding:8px}}@media(max-width:640px){.sidebar{display:none}.main{margin:0;width:100%;padding:0 20px 105px}.topbar{height:69px}.topbar .mode{display:none}.topbar::before{content:'WorkTalk.';color:#247bff;font-size:21px;letter-spacing:-.8px;font-weight:750}.topbar>.breadcrumb{display:none}.top-meta{gap:10px}.top-meta .avatar{width:34px;height:34px}.page-head{margin:29px 0 22px;align-items:start}.page-head .day-streak{margin-top:18px;white-space:nowrap;font-size:9px}.page-head h1{font-size:24px}.page-head .muted{max-width:240px;font-size:11px}.hero{padding:26px 24px;min-height:290px}.hero-copy{max-width:80%}.hero h2{font-size:23px}.hero-cat{width:78px;height:78px;right:20px;bottom:32px}.hero .primary{padding:12px 18px;font-size:12px}.modules{gap:12px}.module{padding:17px;min-height:138px}.dashboard-right{grid-template-columns:1fr}.dashboard-right .right-card:last-child{grid-column:auto}.weekly{justify-content:space-around}.section-head h2{font-size:17px}.training-page{margin:22px 0}.training-header{gap:10px}.training-header h1{font-size:18px}.score-pill{font-size:9px}.training-stage{padding:23px 19px;border-radius:20px}.dialogue{font-size:19px;padding:21px}.training-grid{margin-top:23px}.option{padding:15px;font-size:14px}.explanation{padding:22px 19px}.summary-stats{gap:9px}.summary-stat{padding:21px 5px}.summary-stat strong{font-size:26px}.collection-grid,.profile-grid{grid-template-columns:1fr}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fffffff2;border-top:1px solid var(--line);justify-content:space-around;padding:11px 10px calc(11px + env(safe-area-inset-bottom));backdrop-filter:blur(12px)}.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;color:#98a4b6;min-width:40px}.mobile-nav a.active{color:var(--blue)}.mobile-nav svg{height:20px;width:20px}.modal-backdrop{align-items:end;padding:0}.modal{border-radius:25px 25px 0 0;max-height:85vh;padding:28px 23px calc(27px + env(safe-area-inset-bottom))}#toast{bottom:95px}.footer{margin-top:30px;gap:20px}.button-row .primary{font-size:12px}.topbar .text-btn{font-size:11px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.module-count{font-size:10px;color:#247bff;margin-top:9px}.course-search{display:flex;align-items:center;gap:20px}.course-search input{flex:1}.course-search .muted{white-space:nowrap}.scene-expression{font-size:12px;color:#6d809b;margin-top:16px;line-height:1.65}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin:30px 0;font-size:12px;color:#8c9aae}.chapter-toolbar{display:flex;justify-content:space-between;align-items:center;color:#93a1b5;font-size:11px;margin-top:12px;gap:10px}.chapter-lines{border-top:1px solid #e8edf4}.chapter-line{border-bottom:1px solid #e8edf4;padding:16px 0;font-size:14px;line-height:1.75}.chapter-line .meta-row{font-size:10px;color:#95a1b3;margin-bottom:8px}.chapter-line .muted{margin-top:9px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:640px){.course-search{gap:12px}.course-search .muted{font-size:10px}.pagination{gap:12px}.pagination button{font-size:11px;padding:11px 13px}.chapter-toolbar{font-size:10px}.chapter-toolbar .text-btn{font-size:10px}.hero-copy{max-width:85%}.hero h2{font-size:21px}.hero-cat{width:68px;height:68px;bottom:25px}}

.story-intro p{margin-top:12px}.language-note{margin-top:22px}.chat-thread{margin:20px 0}.chat-row{display:flex;gap:12px;margin:18px 0}.chat-row>div{flex:1;min-width:0}.chat-right{flex-direction:row-reverse}.chat-right .dialogue{background:#edf5ff;border-color:#a9cfff}.speaker-label{font-size:12px;color:#67758a}.chat-row .dialogue{margin-top:8px}.chat-row button,.vocabulary-card button{margin-top:12px}.role-hints,.split-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}.role-hints .card{margin:0}.role-hints{margin-bottom:24px}.takeaway{margin-bottom:16px;text-align:left}.summary-wrap .explanation{text-align:left}.vocabulary-card .english,.role-hints .english{margin-top:12px}.training-stage textarea{margin-top:10px}.training-stage label{display:block;margin-top:20px}@media(max-width:640px){.role-hints,.split-metrics{grid-template-columns:1fr}.training-stage .english,.training-stage .option{font-size:17px}.training-header h1{font-size:19px}.training-stage .dialogue{padding:20px}.training-stage button{min-height:44px}.chat-row{gap:8px}.chat-row .avatar{width:36px;height:36px}}