:root{--blue:#255bd8;--ink:#1c2a3d;--muted:#738092;--line:#e4e9f0;--paper:#f5f7fa;--soft:#edf2ff}*{box-sizing:border-box}body{margin:0;font-family:Inter,'Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.65}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{border:0}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #ecb442;outline-offset:4px}a{color:var(--blue)}.shell{max-width:1660px;margin:auto;display:grid;grid-template-columns:242px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:40px 24px 24px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{text-decoration:none;display:flex;align-items:center;color:#152c4a;font-size:34px;font-weight:750;letter-spacing:-2px;line-height:1}.brandmark{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;background:var(--blue);color:white;border-radius:12px;margin-right:12px;font-size:31px;position:relative;letter-spacing:-4px;padding-right:5px}.brandmark>span{font-size:18px;position:absolute;right:4px;top:2px}.brand-dot{color:var(--blue)}.sidebar-label{font-size:12px;color:var(--muted);margin:18px 0 38px;letter-spacing:1px}nav{display:grid;gap:10px}nav button{background:none;text-align:left;padding:13px 15px;color:#637086;border-radius:9px;font-size:15px;display:flex;align-items:center;gap:13px;white-space:nowrap}nav button>span:first-child{font-size:23px;width:24px;text-align:center;line-height:1}nav button.active{background:var(--soft);color:var(--blue);font-weight:600}.nav-count{font-size:12px;margin-left:auto}.sidebar-bottom{margin-top:auto}.trip-mini{padding:19px 17px;background:#f7f9fc;border:1px solid var(--line);border-radius:12px;display:grid;gap:5px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:600;color:var(--muted)}.trip-mini strong{font-size:15px}.trip-mini>span:last-of-type{font-size:12px;color:var(--muted)}.mini-line{display:flex;gap:5px;margin-top:10px}.mini-line i{height:3px;background:#cbd7ef;flex:1;border-radius:3px}.mini-line i:nth-child(-n+2){background:var(--blue)}.account{display:flex;align-items:center;gap:12px;margin-top:25px}.avatar{width:37px;height:37px;border-radius:50%;background:#e8edf5;display:grid;place-items:center;color:#57708e;font-size:14px}.account strong{font-size:13px;font-weight:500}.account small{display:block;font-size:12px;color:var(--muted)}main{min-width:0;padding:0 48px 20px}.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:12px}.breadcrumb{font-size:13px;color:#667488}.breadcrumb span{padding:0 13px;color:#c2c8d2}.preview-badge{font-size:12px;color:#708099;padding:5px 11px;border:1px solid #dce3ed;border-radius:20px;white-space:nowrap}.page-heading{display:flex;justify-content:space-between;align-items:center;margin:34px 0 25px}h1{font-size:34px;letter-spacing:-1px;line-height:1.4;margin:7px 0 8px;font-weight:650}.page-heading p{color:var(--muted);font-size:14px;margin:0}.blue{color:var(--blue)}.round-icon{border:1px solid #d9e1ee;border-radius:50%;font-size:30px;width:54px;height:54px;display:grid;place-items:center;color:var(--blue)}.day-strip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin-bottom:24px}.day-button{padding:11px 5px;background:#fff;border:1px solid var(--line);border-radius:10px;color:#6e7a8c;display:flex;flex-direction:column;align-items:center;gap:2px}.day-button strong{font-size:16px;font-weight:550}.day-button small{font-size:12px}.day-button.selected{background:var(--ink);color:#fff;border-color:var(--ink)}.hero{position:relative;min-height:288px;overflow:hidden;border-radius:16px;background:#244e73;color:white}.hero img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 51%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,33,54,.72),rgba(9,33,54,.08)),linear-gradient(0deg,rgba(9,33,54,.28),transparent)}.hero-copy{position:relative;z-index:1;padding:31px 36px}.hero-tag{font-size:12px;letter-spacing:1px}.hero h2{font-size:36px;line-height:1.45;font-weight:600;letter-spacing:1px;margin:18px 0 14px}.hero p{font-size:14px;margin:0;color:#f0f5ff}.photo-caption{position:absolute;right:16px;bottom:12px;font-size:12px;color:#fff;text-shadow:0 1px 3px #18232e}.daily-layout{display:grid;grid-template-columns:minmax(0,1fr) 262px;gap:25px;margin-top:29px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px;gap:10px}.section-title h2{font-size:18px;margin:0;font-weight:600}.section-title small{font-size:12px;color:var(--muted)}.lesson-card{padding:21px 23px;background:#fff;border:1px solid var(--line);border-radius:13px;position:relative;margin-bottom:13px;transition:transform .18s,box-shadow .18s}.lesson-card:hover{transform:translateY(-2px);box-shadow:0 7px 24px #244a7910}.card-top{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}.category{background:#eef4fc;padding:3px 8px;border-radius:4px;color:#5476a3;font-size:12px}.lesson-card h3{font-size:19px;font-weight:600;margin:13px 0 7px}.lesson-card p{font-size:14px;line-height:1.8;color:#718095;margin:0 0 15px}.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px}.reason{font-size:12px;color:#8a95a6}.text-button{padding:4px 0;color:var(--blue);background:none;font-size:14px;font-weight:500}.save-button{position:absolute;right:17px;top:17px;background:none;color:#8d9cb0;font-size:21px;width:32px;height:32px;border-radius:7px}.save-button.saved{color:var(--blue);background:var(--soft)}.insight{background:#eaf0fc;border:1px solid #dee6f6;border-radius:13px;padding:21px;margin-bottom:18px}.insight .eyebrow{color:#6381ad;letter-spacing:1px}.insight h3{font-size:19px;font-weight:600;margin:10px 0}.insight p{font-size:14px;color:#637693;line-height:1.85}.insight .line{height:1px;background:#d3dff2;margin:17px 0}.small-tag{display:inline-block;font-size:12px;border:1px solid #cbd9f0;padding:3px 9px;border-radius:20px;color:#5b77a2;margin:4px 4px 0 0}.progress-box{padding:19px 0}.progress-box p{font-size:14px;margin:0 0 9px}.progress{background:#e3e9f1;height:5px;border-radius:3px;overflow:hidden}.progress>div{height:100%;background:var(--blue);transition:width .3s}.progress-box small{display:block;color:var(--muted);font-size:12px;margin-top:9px}.end-note{text-align:center;font-size:13px;color:#919bad;padding:15px 0 5px}footer{border-top:1px solid var(--line);margin-top:25px;padding-top:19px;display:flex;justify-content:space-between;gap:10px;color:#98a1af;font-size:12px}footer button{background:none;color:#7d8a9c;font-size:12px}.timeline{margin-top:24px}.stop{position:relative;padding:0 0 29px 40px;border-left:1px solid #d8e1ef;margin-left:12px}.stop:before{content:'';position:absolute;left:-6px;top:8px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--blue)}.stop-date{color:var(--blue);font-size:13px}.stop h3{font-size:19px;margin:8px 0}.stop p{font-size:14px;color:var(--muted);margin:5px 0}.stop-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.stop:last-child{border:0}.primary{background:var(--blue);color:#fff;border-radius:8px;padding:11px 19px;font-size:14px;font-weight:500}.secondary{background:#edf2f9;color:#536a8e;border-radius:8px;padding:10px 16px;font-size:14px}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{background:#fff;border:1px solid var(--line);padding:25px;border-radius:13px}.panel h2{font-size:18px;margin:0 0 10px}.panel p{font-size:14px;color:var(--muted);line-height:1.8}.choice-list{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.chip{border:1px solid #dce3ee;padding:8px 13px;border-radius:8px;background:white;color:#687991;font-size:14px}.chip.selected{border-color:var(--blue);background:var(--soft);color:var(--blue)}.memory-item{padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.memory-item:last-child{border:0}.memory-item small{display:block;color:var(--muted);margin-top:5px}.empty{padding:60px 25px;text-align:center;background:#fff;border:1px dashed #cfd9e9;border-radius:14px}.empty h2{font-size:21px}.empty p{font-size:14px;color:var(--muted)}dialog{width:min(680px,calc(100% - 28px));max-height:90dvh;border:0;border-radius:18px;padding:29px 33px;color:var(--ink);box-shadow:0 25px 100px #11244340}dialog::backdrop{background:#12233f75;backdrop-filter:blur(4px)}.reader-top{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}.reader-top h2{font-size:21px;margin:0}.icon-button{width:35px;height:35px;border-radius:50%;background:#f0f3f8;color:#6a778d;flex-shrink:0}.reader-title{font-size:28px;line-height:1.45;margin:10px 0 12px}.reader-desc{color:var(--muted);font-size:14px}.depth-tabs{display:flex;padding:4px;background:#f1f4f9;border-radius:9px;margin:24px 0;gap:4px}.depth-tabs button{flex:1;padding:9px 5px;border-radius:6px;background:none;color:#718098;font-size:14px}.depth-tabs button.active{background:white;color:var(--blue);box-shadow:0 2px 6px #152c4910}.article-body{font-size:16px;line-height:2;color:#405169}.article-body h3{font-size:18px;color:var(--ink);margin-bottom:7px}.article-body p{margin-top:8px}.observe{padding:17px 20px;background:#eff4fe;border-left:3px solid #8dacee;border-radius:4px;margin:22px 0}.observe strong{font-size:14px;color:var(--blue)}.observe p{font-size:14px;margin:5px 0}.source{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}.source a{display:inline-block;margin:5px 12px 0 0}.reader-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}.feedback{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.feedback>p{font-size:14px}.feedback .chip{padding:7px 11px}.note-label{font-size:14px;display:block;margin:20px 0 9px}textarea{width:100%;resize:vertical;min-height:90px;border:1px solid #d8e1ef;padding:12px;border-radius:8px;font-size:14px;line-height:1.7;background:#fbfcfe;color:var(--ink)}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);background:#182b46;color:#fff;border-radius:10px;padding:12px 20px;font-size:14px;z-index:10;opacity:0;pointer-events:none;transition:.2s;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}.notice{padding:13px 17px;background:#eef2f8;border-radius:9px;font-size:13px;color:#6b7b91;margin:20px 0}.note-preview{border-left:2px solid #b8c9ea;padding-left:12px;font-size:14px;margin-top:12px;color:#6d7d94;white-space:pre-wrap}.loading{color:var(--muted)}
@media(min-width:1450px){main{padding-left:65px;padding-right:65px}.hero{min-height:320px}}@media(max-width:1100px){.shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:30px 17px}.sidebar-label{font-size:12px;letter-spacing:0}main{padding:0 28px 20px}.daily-layout{grid-template-columns:minmax(0,1fr) 220px;gap:18px}.hero h2{font-size:32px}.hero-copy{padding:28px}.photo-caption{font-size:12px}.reason{max-width:70%}}@media(max-width:860px){.shell{grid-template-columns:170px minmax(0,1fr)}.brand{font-size:29px}.sidebar{padding:28px 12px}.brandmark{margin-right:8px}.sidebar-label{font-size:12px}nav button{padding:12px 9px;font-size:14px;gap:7px}.daily-layout{grid-template-columns:1fr}.daily-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.profile-grid{grid-template-columns:1fr}main{padding:0 23px 20px}h1{font-size:29px}.round-icon{display:none}.breadcrumb{font-size:12px}.breadcrumb span{padding:0 6px}.preview-badge{font-size:12px;padding:3px 7px}.day-strip{gap:5px}.day-button strong{font-size:14px}.day-button small{font-size:12px}}
@media(max-width:620px){.shell{display:block}.sidebar{height:64px;position:relative;padding:0 20px;border-right:0;border-bottom:1px solid var(--line);flex-direction:row;align-items:center}.brand{font-size:28px}.brandmark{width:31px;height:31px;font-size:25px;border-radius:9px}.brandmark>span{font-size:15px}.sidebar-label,.sidebar-bottom{display:none}nav{position:fixed;bottom:0;left:0;right:0;height:calc(65px + env(safe-area-inset-bottom));padding:5px 8px env(safe-area-inset-bottom);background:#ffffffed;backdrop-filter:blur(12px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:0;z-index:5}nav button{flex-direction:column;gap:2px;border-radius:8px;padding:6px 2px;font-size:12px;justify-content:center}nav button>span:first-child{font-size:21px}.nav-count{display:none}main{padding:0 18px 95px}.topbar{height:49px}.breadcrumb{font-size:12px}.preview-badge{font-size:12px;border:0;padding:0}.page-heading{margin:25px 0 20px}.page-heading .eyebrow{font-size:12px}h1{font-size:28px;margin:6px 0}.page-heading p{font-size:13px}.day-strip{gap:5px;margin-bottom:17px}.day-button{padding:8px 2px;border-radius:8px}.day-button small{font-size:12px}.day-button strong{font-size:14px}.hero{min-height:268px;border-radius:13px}.hero-copy{padding:24px}.hero h2{font-size:30px;margin:19px 0 17px}.hero p{font-size:13px;max-width:90%}.hero-tag{font-size:12px}.photo-caption{font-size:12px;right:12px;bottom:8px}.daily-layout{margin-top:25px}.lesson-card{padding:20px}.lesson-card h3{font-size:18px}.card-top{padding-right:25px}.reason{font-size:12px}.daily-aside{grid-template-columns:1fr;gap:0}.insight{margin-bottom:0}.progress-box{padding-top:22px}footer{font-size:12px;align-items:flex-start;flex-wrap:wrap}dialog{padding:22px;max-height:91dvh}.reader-title{font-size:24px}.stop{padding-left:24px}.stop-card{padding:17px}.stop h3{font-size:17px}.panel{padding:20px}.reader-actions .primary,.reader-actions .secondary{flex:1}.section-title small{font-size:12px}.profile-grid{gap:14px}#toast{bottom:85px;width:max-content}.depth-tabs button{font-size:13px}.source{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Goal-oriented product shell, shared across scenario plugins. */
.goal-switch{display:flex;align-items:center;gap:13px;margin:0 0 20px}.goal-switch label{font-size:13px;color:var(--muted);white-space:nowrap}.goal-switch select{flex:1;min-width:0;max-width:540px}.goal-switch>span{margin-left:auto;color:var(--muted);font-size:13px;white-space:nowrap}select,input:not([type=checkbox]):not([type=file]){border:1px solid #d9e1ef;border-radius:8px;padding:10px 13px;background:white;color:var(--ink);font:inherit;font-size:14px;max-width:100%}select:focus-visible,input:focus-visible{outline:3px solid #eabf59;outline-offset:2px}.stage-strip{grid-template-columns:repeat(auto-fit,minmax(70px,1fr))}.stage-strip small{white-space:normal;text-align:center}.goal-hero{padding:30px 34px;background:#eaf0fc;border:1px solid #d9e3f7;border-radius:15px}.goal-hero .eyebrow{color:#4b70b5}.goal-hero h2{font-size:31px;margin:14px 0 10px}.goal-hero p{font-size:16px;color:#5d7396;max-width:650px}.goal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:15px}.goal-tile{text-align:left;display:flex;flex-direction:column;gap:12px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:13px;color:var(--ink)}.goal-tile.selected{border-color:var(--blue);background:#edf3ff}.goal-tile strong{font-size:18px;overflow-wrap:anywhere}.goal-tile>span:last-child{font-size:13px;color:var(--muted)}.path-heading{margin-top:36px}.task-panel{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px;margin-top:25px}.task-row{display:flex;align-items:flex-start;gap:12px;padding:12px 0;font-size:14px;line-height:1.9;border-top:1px solid #edf0f5;cursor:pointer}.task-row input{margin-top:6px;min-width:18px;height:18px;accent-color:var(--blue)}.task-row .done{color:#8895a7;text-decoration:line-through}.content-media{margin:20px 0}.content-media img,.content-media video{width:100%;max-height:330px;object-fit:cover;border-radius:11px}.content-media audio{width:100%}.content-media figcaption{font-size:12px;color:var(--muted);line-height:1.7;margin-top:8px}.resource-card{display:grid;gap:6px;border:1px solid #d6e2f4;background:#f1f5fc;border-radius:10px;padding:17px;margin:20px 0;text-decoration:none}.resource-card span,.resource-card small{font-size:12px;color:#7087a6}.resource-card strong{font-size:16px;font-weight:500}.article-body ul{padding-left:23px}.article-body blockquote{border-left:3px solid #bdd1f2;padding-left:17px;margin-left:0;color:#657b9a}.question{font-size:14px;margin:20px 0;color:#637798}.question summary{cursor:pointer;color:var(--blue)}form label{font-size:14px;display:block;margin:20px 0 7px}form input,form select{width:100%}form textarea{min-height:84px}form .primary{margin-top:15px;width:100%}.form-hint{font-size:13px;color:var(--muted);line-height:1.8}.optional{font-size:12px;color:var(--muted);margin-left:5px}.plan-outline{background:var(--soft);border-radius:10px;padding:17px 20px;display:grid;gap:7px;font-size:14px;margin-top:22px}.plan-outline strong{margin-bottom:4px}.plan-outline span{color:#6881a5}.error-message{color:#b74444;font-size:14px}.import-label{display:block;font-size:14px;margin:18px 0 8px}input[type=file]{font-size:13px;max-width:100%}.page-heading .primary{white-space:nowrap;flex-shrink:0}.source a{overflow-wrap:anywhere}.source span{display:inline-block;font-size:12px}.trip-mini strong{overflow-wrap:anywhere}.lesson-card h3,.goal-hero p,.memory-item,.stop-card p{overflow-wrap:anywhere}.breadcrumb{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.breadcrumb #breadcrumb-title{padding:0;color:inherit}.source{line-height:1.9}
@media(max-width:620px){.page-heading{gap:10px;align-items:flex-start}.page-heading h1{font-size:26px}.page-heading .primary{font-size:12px;padding:9px 10px;margin-top:25px}.page-heading p{max-width:250px}.goal-switch{flex-wrap:wrap;gap:8px}.goal-switch select{font-size:14px}.goal-switch>span{font-size:12px}.stage-strip{display:flex;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}.stage-strip .day-button{min-width:67px;flex:1}.goal-hero{padding:25px}.goal-hero h2{font-size:25px}.goal-hero p{font-size:14px}.goal-grid{grid-template-columns:1fr}.content-media img{max-height:240px}.preview-badge{flex-shrink:0}.task-panel{padding:19px}.topbar{gap:8px}.section-title{align-items:flex-start}.section-title .category{white-space:nowrap}.hero-copy p{overflow-wrap:anywhere}}