:root{--brand:#245b51;--ink:#242b29;--muted:#727b76;--paper:#fffefa;--line:#dce0d8;--surface:#f2f3ed;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--surface)}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:5px;background:var(--paper);color:var(--ink);padding:10px 15px;transition:background .15s}button:hover{background:#e5eae1}button:disabled{opacity:.4;cursor:not-allowed}button.primary,button.active{background:var(--brand);color:#fff;border-color:var(--brand)}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}h1{font-family:Georgia,"Microsoft YaHei",serif;font-weight:500;font-size:34px;line-height:1.4}h2{font-size:23px;font-weight:600;line-height:1.5}h3{font-size:17px}p{line-height:1.8}small,.muted{color:var(--muted)}.sidebar{position:fixed;top:0;bottom:0;left:0;width:242px;padding:30px 22px;background:#fffefa;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:5}.brand{display:flex;gap:12px;align-items:center;font-weight:600;letter-spacing:1px}.brand small{display:block;font-size:11px;margin-top:7px;letter-spacing:1px}.crest{width:47px;height:53px;border:2px solid var(--brand);border-radius:4px 4px 24px 24px;display:flex;align-items:center;justify-content:center;color:var(--brand);font-family:serif;font-size:23px;position:relative}.crest i{font-size:10px;position:absolute;bottom:3px;font-style:normal}.school-selector{margin:28px 0;font-size:10px;color:var(--muted)}.school-selector select{display:block;width:100%;margin-top:7px;padding:9px;background:transparent;border:1px solid var(--line)}.sidebar nav{display:grid;gap:9px}.sidebar nav button{display:flex;gap:15px;border:0;background:transparent;text-align:left;padding:13px 9px;font-size:13px}.sidebar nav button.active{background:var(--brand);color:white}.sidebar nav small{font-size:10px;color:inherit}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:20px;font-size:12px}.sidebar-bottom p{margin-bottom:10px}.sidebar-bottom small{display:block;margin-top:12px;font-size:10px;line-height:1.8}.main-shell{margin-left:242px}.topbar{height:54px;padding:0 32px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;background:#fffefa}.topbar>div{display:flex;gap:15px;align-items:center}main{padding:20px 32px 42px;max-width:1700px;margin:auto}footer{padding:18px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.eyebrow{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:12px}.home-hero{display:grid;grid-template-columns:1fr 1fr;min-height:410px;border-bottom:1px solid var(--line);padding-bottom:32px;gap:35px}.home-hero h1{font-size:47px;line-height:1.5;letter-spacing:2px;margin:24px 0}.home-hero figure{margin:0;position:relative;background:#ddd8c2;min-height:360px;height:360px;overflow:hidden}.home-hero figure img{width:100%;height:100%;object-fit:cover}.home-hero figcaption{position:absolute;bottom:0;left:0;right:0;padding:15px;color:white;background:#1a2b29aa;font-size:11px}.hero-actions{display:flex;gap:12px;margin:24px 0}.home-hero small{font-size:11px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:28px;margin:32px 0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:25px 0 16px}.section-head h2{margin:0;font-size:20px}.section-head>span{font-size:11px;color:var(--muted)}.paper{background:var(--paper);padding:24px;border:1px solid var(--line);margin-bottom:22px}.paper>p:last-child{margin-bottom:0}.prep{padding:26px 30px;background:#e4e9df;border-left:3px solid var(--brand)}.prep>p:first-child{font-size:11px;color:var(--brand);letter-spacing:1px}.prep h2{font-size:23px}.prep button{margin-top:18px;display:block}.progress{height:3px;background:#c7d1c7;margin:20px 0 10px}.progress i{display:block;background:var(--brand);height:100%}.large-number{font-family:Georgia,serif;font-size:48px;font-weight:400;color:var(--brand)}.unit-index{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.unit-index button{display:flex;gap:16px;align-items:center;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0;padding:20px 0}.unit-index b{font-family:Georgia;font-size:25px;color:var(--brand);font-weight:400}.unit-index span{font-size:17px}.unit-index small{display:block;font-size:11px;margin-top:7px}.unit-index em{margin-left:auto;font-style:normal}.timeline{border-left:1px solid var(--line);padding-left:13px;font-size:12px}.timeline small{display:block;font-size:10px}.art-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.art-strip button{text-align:left;padding:0;border:0;background:transparent}.art-strip img{width:100%;height:145px;object-fit:cover;background:#dfdfd3}.art-strip strong,.art-strip small{display:block;margin:10px 0;font-size:13px}.art-strip small{font-size:10px}.page-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:28px}.page-head p:last-child{font-size:13px;color:var(--muted);max-width:820px}.page-head h1{margin-bottom:15px}.unit-tabs,.zones,.mode-tabs,.segment-list{display:flex;gap:8px;flex-wrap:wrap}.unit-tabs{margin-bottom:25px}.curriculum-unit{margin:40px 0;display:grid;grid-template-columns:225px 1fr;gap:35px}.unit-heading>span{font:45px Georgia;color:var(--brand)}.unit-heading h2{margin:15px 0}.unit-heading small{display:block;font-size:13px;font-weight:400;margin-top:5px}.unit-heading p{font-size:12px;color:var(--muted)}.lesson-list{border-top:1px solid var(--line)}.lesson-list button{display:flex;width:100%;gap:25px;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:20px 0;align-items:center}.lesson-list img{width:115px;height:90px;object-fit:cover}.lesson-list span{flex:1}.lesson-list strong{display:block;font-size:18px;margin:9px 0}.lesson-list em{font-style:normal;color:var(--muted);font-size:12px}.lesson-list small{font-size:11px;color:var(--brand)}.lesson-top{position:relative;padding-bottom:12px}.lesson-top>div:first-child{display:flex;align-items:center;gap:14px;font-size:11px;color:var(--muted);margin-bottom:10px}.lesson-top h1{font-size:25px;margin-bottom:6px}.lesson-top>p{color:var(--muted);font-size:14px}.teacher-switch{display:flex;gap:10px;align-items:center;margin-top:18px}.zones{border-bottom:1px solid var(--line);margin-bottom:18px;gap:5px}.zones button{border:0;border-radius:0;padding:10px 18px;background:transparent}.zones button.active{color:var(--brand);background:transparent;border-bottom:3px solid var(--brand);font-weight:600}.intro-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.intro-layout>img{width:100%;max-height:550px;object-fit:contain;background:#e5e4dc}.intro-layout>div{padding:24px 0}.steps{padding-left:24px;line-height:1.9}.steps li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.art-selection{display:flex;gap:12px;overflow:auto;margin-bottom:16px;padding-bottom:5px}.art-selection button{display:flex;min-width:164px;gap:9px;align-items:center;text-align:left;padding:7px}.art-selection img{width:40px;height:40px;object-fit:cover}.art-selection span{font-size:12px}.art-selection small{display:block;font-size:10px;margin-top:5px;color:inherit}.art-layout{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(250px,1fr);gap:28px}.viewer-section{margin-bottom:18px}.viewer-toolbar,.viewer-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--paper);padding:12px;border:1px solid var(--line);font-size:10px;flex-wrap:wrap}.viewer-toolbar>div{display:flex;align-items:center;gap:8px}.viewer-toolbar button{padding:6px 10px;font-size:11px}.viewer-toolbar input{width:100px;accent-color:var(--brand)}.viewer{height:450px;background:#303631;position:relative;overflow:hidden;touch-action:none;cursor:crosshair}.viewer img{width:100%;height:100%;display:block;pointer-events:none;user-select:none}#image-plane{position:absolute;transform-origin:center;will-change:transform}.marker,#cursor{position:absolute;transform:translate(-50%,-50%);border-radius:50%;background:#ffe9a0;color:#222;font-size:13px;width:22px;height:22px;text-align:center;line-height:22px;border:1px solid #fff;pointer-events:none}.marker{z-index:2}#cursor{background:#ffffff55;color:#fff}.region-row{display:flex;gap:8px;flex-wrap:wrap;padding-top:12px}.region-row button{font-size:11px}.art-details h2{font-size:25px}.art-details h3{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}.art-details p,.art-details dd{font-size:12px;line-height:1.9}.art-details dt{font-size:10px;color:var(--muted);margin-top:14px}.art-details dd{margin:4px 0 0}.art-details button{display:block;margin:12px 0;font-size:12px}.badge{display:inline-block;background:#eeeade;padding:5px 8px;border-radius:3px;font-size:10px;line-height:1.5;color:#695934;margin:2px}.badge.ok{background:#e2eee6;color:#305b40}.field{display:block;margin:20px 0}.field>span{display:block;font-size:12px;font-weight:600;margin-bottom:9px}.field input,.field select,.field textarea{width:100%;background:var(--paper);border:1px solid #c8cfc4;padding:12px;border-radius:4px;color:var(--ink)}textarea{resize:vertical;min-height:95px;line-height:1.8}.actions{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}.split{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,1fr);gap:32px}.split>section>p{font-size:13px}.segment-list{margin:22px 0}.segment-list button{font-size:12px}.script-preview{white-space:pre-wrap;line-height:1.9;font-size:14px}.check{display:flex;gap:10px;align-items:center;font-size:12px;line-height:1.8;margin:18px 0}.rights-note{font-size:11px;color:#8a5c3e;border-left:2px solid #ae8156;padding-left:12px}.studio-head{display:flex;justify-content:space-between;align-items:center}.studio-head p{font-size:12px}.mode-tabs{margin:15px 0 26px}.result-row{display:grid;grid-template-columns:230px 1fr;gap:25px;padding:25px 0;border-top:1px solid var(--line)}.result-row h3{margin:4px 0 10px}.result-row p{font-size:12px;margin-bottom:12px}.result-row small{font-size:10px;line-height:1.8;display:block}.generated-visual{height:200px;background:#e4d5a9;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.generated-visual:before{content:'';position:absolute;width:140px;height:140px;background:var(--brand);border-radius:55% 45% 25% 75%;transform:rotate(var(--seed,30deg));opacity:.65;left:20px;bottom:-20px}.generated-visual:after{content:'';position:absolute;width:120px;height:120px;border:1px solid #575c46;border-radius:50%;right:-20px;top:20px}.generated-visual b{position:absolute;top:10px;left:10px;font-size:10px;font-weight:500;z-index:1;background:#fff9;padding:5px}.generated-visual span{position:relative;z-index:1;font-family:serif;font-size:22px;padding:25px;text-align:center;color:#28352b}.generated-visual small{display:block;margin-top:10px;font-size:12px;color:inherit}.empty{padding:30px;border:1px dashed var(--line);font-size:13px;color:var(--muted)}.evidence{padding:10px;border-bottom:1px solid var(--line);font-size:12px}.evidence small{display:block}.comparison{background:var(--paper);padding:20px}.comparison img{width:100%;max-height:280px;object-fit:contain}.comparison p{font-size:12px}.reading-banner{display:flex;gap:15px;font-size:11px;align-items:center;margin-bottom:20px}.response{border-bottom:1px solid var(--line);padding:18px 0}.response strong{font-size:12px}.response p{font-size:13px;margin:10px 0}.response small{font-size:10px}.callout{background:#e8ece2;padding:20px;border-left:3px solid var(--brand);margin:20px 0}.callout p{font-size:13px;margin:10px 0 0}.material-row{padding:20px 0;border-bottom:1px solid var(--line);display:flex;gap:20px;align-items:center;font-size:12px}.material-row span{flex:1}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.gallery-grid .generated-visual{height:300px}.gallery-grid h3{margin-top:18px}.gallery-grid p{font-size:12px}.projector{text-align:center;max-width:1100px;margin:auto}.projector>img{width:100%;max-height:550px;object-fit:contain;background:#31372f}.projector h1{font-size:38px}.projector .script-preview{text-align:left;background:white;padding:25px}.projector .result-row{text-align:left}.projector small{font-size:11px;font-weight:400}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#23382e;color:white;padding:16px 24px;z-index:20;font-size:13px;max-width:90vw;border-radius:5px}dialog{width:min(750px,90vw);border:1px solid var(--line);padding:30px;background:var(--paper);max-height:90vh;overflow:auto}dialog::backdrop{background:#17241dc0}dialog .generated-visual{height:310px}dialog>button{margin-top:20px}.video-stage progress{width:100%;margin-top:20px;accent-color:var(--brand)}.animated:before{animation:drift 8s infinite alternate}@keyframes drift{to{transform:translateX(200px) rotate(90deg)}}progress{width:100%;accent-color:var(--brand)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
@media(min-width:1700px){main{padding:40px 65px}.home-hero h1{font-size:58px}.home-hero{min-height:470px}.viewer{height:570px}.art-strip img{height:200px}}
@media(max-width:1100px){.sidebar{width:200px;padding:24px 15px}.main-shell{margin-left:200px}main{padding:18px 22px}.topbar{padding:0 25px}.home-hero h1{font-size:34px}.dashboard-grid{grid-template-columns:1.5fr 1fr}.art-layout,.split{grid-template-columns:1fr}.art-details{display:grid;grid-template-columns:1fr 1fr;gap:15px}.curriculum-unit{grid-template-columns:170px 1fr}.viewer{height:430px}}
@media(max-width:700px){.sidebar{position:relative;width:100%;padding:16px;display:block;border-bottom:1px solid var(--line)}.brand{font-size:14px}.crest{height:38px;width:35px;font-size:18px}.brand small{margin-top:3px}.school-selector{position:absolute;right:16px;top:10px;width:145px;margin:0}.school-selector label{font-size:9px}.school-selector select{padding:5px}.sidebar nav{display:flex;overflow:auto;margin-top:18px;gap:5px}.sidebar nav button{white-space:nowrap;font-size:11px;padding:9px}.sidebar nav small{display:none}.sidebar-bottom{padding:0;margin:10px 0 0;border:0;display:flex;justify-content:space-between;align-items:center}.sidebar-bottom p,.sidebar-bottom small{display:none}.sidebar-bottom button{padding:5px 10px;font-size:10px}.main-shell{margin-left:0}.topbar{height:52px;padding:0 16px;font-size:10px}.topbar button{font-size:10px;padding:5px}.topbar>div{gap:6px}main{padding:16px 12px}h1{font-size:26px}.home-hero{grid-template-columns:1fr;gap:20px}.home-hero h1{font-size:35px;margin:15px 0}.home-hero figure{min-height:200px;height:220px}.dashboard-grid,.intro-layout,.curriculum-unit{grid-template-columns:1fr;gap:20px}.art-strip{grid-template-columns:1fr 1fr;gap:15px}.art-strip img{height:120px}.unit-index span{font-size:14px}.unit-index small{font-size:9px}.unit-heading{display:flex;align-items:center;gap:20px}.unit-heading p{display:none}.unit-heading>span{font-size:35px}.unit-heading h2{font-size:19px}.lesson-list button{gap:12px}.lesson-list img{width:70px;height:75px}.lesson-list strong{font-size:14px;line-height:1.7}.lesson-list em{font-size:10px}.lesson-top h1{font-size:21px}.lesson-top>div:first-child{gap:10px;font-size:9px}.teacher-switch{flex-wrap:wrap}.teacher-switch button{font-size:10px;padding:8px}.zones button{font-size:12px;padding:9px 12px}.intro-layout>div{padding:0}.art-details{display:block}.viewer{height:320px}.viewer-toolbar input{width:80px}.viewer-footer{font-size:9px}.viewer-footer small{font-size:9px}.split{gap:20px}.paper{padding:20px}.result-row{grid-template-columns:1fr}.generated-visual{height:180px}.gallery-grid{grid-template-columns:1fr}.material-row{flex-wrap:wrap}.material-row span{flex-basis:100%}.page-head{display:block}.page-head h1{font-size:25px}.projector h1{font-size:25px}footer{padding:20px 16px}.studio-head{display:block}.reading-banner{flex-wrap:wrap}.hero-actions button{font-size:12px}.art-selection button{min-width:140px}}

.observation-list{padding-left:18px;font-size:12px;line-height:1.9}.observation-list li{margin:10px 0}.mini-map{position:absolute;right:10px;bottom:10px;width:85px;height:55px;padding:3px;background:#fff9;border:1px solid white;z-index:3}.mini-map img{object-fit:contain}

.animated.paused:before{animation-play-state:paused}

.home-hero figure img.portrait{object-fit:contain}@media(min-width:1700px){.home-hero figure{height:420px}}@media(max-width:700px){.home-hero figure{height:220px;min-height:200px}}

/* P7-G 正式入口登录状态区（WL_PROD） */
.ms-auth-actions{display:inline-flex;gap:8px}
.ms-auth-actions button{padding:8px 18px;border:1px solid var(--line);border-radius:4px;background:var(--surface);font-weight:600;cursor:pointer}
.ms-auth-actions button.primary{background:var(--brand,#2f5d50);color:#fff;border-color:var(--brand,#2f5d50)}
.ms-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-weight:600}