:root{
  --ink:#15243a; --muted:#69778a; --line:#dfe7ef; --line-strong:#cbd8e4;
  --bg:#f5f7fa; --card:#ffffff; --navy:#0c2745; --navy-2:#153b61;
  --teal:#147b75; --teal-dark:#0e625e; --teal-soft:#e8f4f2;
  --blue-soft:#edf4fa; --amber:#b27a20; --amber-soft:#fff6e7;
  --danger:#b84545; --danger-soft:#fff0f0; --success:#2a7a58; --success-soft:#eaf6ef;
  --shadow:0 12px 36px rgba(13,39,69,.07); --radius:18px; --radius-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none} button,input,textarea,select{font:inherit} button{cursor:pointer}
.container{width:min(1200px,calc(100% - 36px));margin:auto}.section{padding:42px 0}.section.compact{padding:26px 0}
.topbar{background:rgba(12,39,69,.98);color:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px)}
.topbar .inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brandmark{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,#f4fbfb,#b8e1dc);color:var(--navy);display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.45)}
.brandcopy{min-width:0}.brandtitle{font-weight:800;font-size:17px;line-height:1.2;white-space:nowrap}.brandsub{font-size:11px;color:#bfd0df;margin-top:3px;letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.nav a,.nav button{color:#eaf1f7;background:transparent;border:0;padding:9px 11px;border-radius:9px;transition:.18s}.nav a:hover,.nav button:hover{background:rgba(255,255,255,.09)}.nav .nav-cta{background:#fff;color:var(--navy);font-weight:800}.nav .nav-cta:hover{background:#eef5f8}
.hero{position:relative;overflow:hidden;padding:68px 0 54px;background:linear-gradient(135deg,#f8fafc 0%,#eef5f5 52%,#f4f7fb 100%);border-bottom:1px solid var(--line)}
.hero:before{content:"";position:absolute;width:440px;height:440px;border-radius:50%;right:-120px;top:-210px;background:radial-gradient(circle,rgba(20,123,117,.11),rgba(20,123,117,0) 67%)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(330px,.82fr);gap:42px;align-items:center}.eyebrow{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;font-weight:850;color:var(--teal);text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:2px;background:var(--teal);border-radius:999px}
h1{font-size:clamp(38px,5vw,66px);line-height:1.06;letter-spacing:-.04em;margin:16px 0 18px;color:#0e2743}h2{font-size:27px;line-height:1.25;margin:0 0 14px;letter-spacing:-.015em}h3{line-height:1.35;margin:9px 0}.lead{font-size:18px;color:#56677c;max-width:760px;margin:0}.hero-kicker{display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#516478}.hero-kicker strong{color:var(--navy)}
.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:11px;padding:10px 15px;min-height:44px;font-weight:780;transition:.16s;background:#fff;color:var(--ink)}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--teal);color:#fff}.btn.primary:hover{background:var(--teal-dark)}.btn.secondary{background:#fff;border-color:var(--line-strong)}.btn.dark{background:var(--navy);color:#fff}.btn.ghost{background:transparent;border-color:var(--line)}.btn.danger{background:var(--danger-soft);color:var(--danger);border-color:#efcaca}.btn.small{min-height:34px;padding:6px 10px;font-size:13px}.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.panel,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel{padding:24px}.card{padding:20px}.welcome-panel{padding:0;overflow:hidden}.welcome-head{padding:24px 24px 20px;background:linear-gradient(145deg,var(--navy),var(--navy-2));color:#fff}.welcome-head .eyebrow{color:#a7dcd7}.welcome-head .eyebrow:before{background:#a7dcd7}.welcome-head h2{font-size:23px;margin-top:12px}.welcome-head p{color:#c7d5e2;margin:0}.welcome-body{padding:22px 24px}.welcome-flow{display:grid;gap:11px}.flow-row{display:grid;grid-template-columns:34px minmax(0,1fr);gap:11px;align-items:start}.flow-no{width:30px;height:30px;border-radius:9px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-weight:900}.flow-row b{display:block}.flow-row small{display:block;color:var(--muted);margin-top:1px}
.entry-card{margin-top:25px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;max-width:780px}.entry-main{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:13px;align-items:center;padding:15px 16px;border-bottom:1px solid #edf1f5}.entry-main:last-child{border-bottom:0}.stepdot{width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-weight:900}.mini-actions{display:flex;gap:8px;flex-wrap:wrap}
.campus-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.campus-card{position:relative;overflow:hidden;padding:20px 20px 18px;background:#fff;border:1px solid var(--line);border-radius:16px}.campus-card:after{content:"";position:absolute;width:70px;height:70px;border-radius:50%;right:-25px;top:-25px;background:var(--teal-soft)}.campus-label{font-weight:820}.campus-count{font-size:34px;line-height:1.1;font-weight:900;color:var(--navy);margin:9px 0 4px}.campus-note{font-size:13px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{padding:16px;border-radius:14px;background:#fff;border:1px solid var(--line)}.stat strong{display:block;font-size:28px;color:var(--navy)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px}.metric .num{font-size:29px;line-height:1.15;font-weight:900;color:var(--navy)}.metric .label{font-size:13px;color:var(--muted);margin-top:5px}.muted{color:var(--muted)}.subtle{font-size:13px;color:var(--muted)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-icon{width:42px;height:42px;border-radius:12px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal);font-weight:900}
.shell{display:grid;grid-template-columns:245px minmax(0,1fr);gap:22px;padding:30px 0}.side{align-self:start;position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px;box-shadow:0 6px 20px rgba(15,40,68,.04)}.side .side-title{padding:8px 10px 12px;font-size:13px;color:var(--muted);font-weight:800}.side a{display:block;padding:10px 11px;border-radius:9px;margin:2px 0;color:#3c4e63}.side a:hover,.side a.active{background:var(--blue-soft);color:var(--navy);font-weight:800}.content{min-width:0}.pagehead{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:20px}.pagehead .eyebrow{margin-bottom:8px}
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:760;background:#eef2f6;color:#526178}.badge.ok{background:var(--success-soft);color:var(--success)}.badge.wait{background:var(--amber-soft);color:var(--amber)}.badge.public{background:var(--teal-soft);color:var(--teal)}.notice,.tip,.softbox{padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:#f8fbfc}.notice{background:var(--success-soft);border-color:#cfe6d8;color:#286a4d;margin-bottom:16px}.tip{font-size:13px;color:#536578;margin-top:12px}.softbox{margin:15px 0}.alert{padding:12px 14px;border-radius:11px;background:var(--danger-soft);border:1px solid #efcccc;color:#983636;margin-bottom:14px}
.form-card{max-width:780px;margin:38px auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-size:13px;font-weight:800;color:#384b61}.input,textarea,select{width:100%;border:1px solid #ccd8e4;border-radius:10px;background:#fff;padding:11px 12px;color:var(--ink);outline:none;min-height:44px}.input:focus,textarea:focus,select:focus{border-color:#4f9e99;box-shadow:0 0 0 3px rgba(20,123,117,.10)}textarea{min-height:112px;resize:vertical}.optional{border:1px dashed #ccd8e4;border-radius:12px;padding:12px}.optional summary{cursor:pointer;font-weight:800}.inner-form{margin-top:12px}.center-note{text-align:center;margin-top:17px}.choice-stack{display:grid;gap:10px}.choice{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);padding:12px;border-radius:11px;background:#fff}.choice input{margin-top:4px}.choice b,.choice small{display:block}.choice small{color:var(--muted);font-weight:400;margin-top:2px}.roster-box{min-height:155px}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:13px;background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:12px 13px;text-align:left;border-bottom:1px solid #edf1f5;font-size:14px;vertical-align:top}th{background:#f7f9fb;color:#5d6c7f;font-size:12px;letter-spacing:.02em}tr:last-child td{border-bottom:0}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.filter-chip{padding:7px 11px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px}.filter-chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.teacher-mini{display:flex;align-items:center;gap:11px}.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(145deg,#dbe9ef,#eef4f8);object-fit:cover;display:grid;place-items:center;font-weight:900;color:#36536e;flex:0 0 auto}.review{padding:15px 0;border-bottom:1px solid var(--line)}.review:last-child{border-bottom:0}.timeline{position:relative;margin-left:5px}.timeline:before{content:"";position:absolute;left:7px;top:9px;bottom:9px;width:2px;background:#dce5eb}.tl{position:relative;padding-left:34px;margin:0 0 21px}.tl:last-child{margin-bottom:0}.tl:before{content:"";position:absolute;left:1px;top:7px;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--teal)}.tl .date{font-size:12px;color:var(--muted);margin-bottom:2px}
.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.lesson-card{padding:0;overflow:hidden;transition:.18s}.lesson-card:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(13,39,69,.10)}.poster{aspect-ratio:16/9;background:linear-gradient(145deg,#112d4b,#1a6d72);display:grid;place-items:center;color:#fff;font-size:25px;position:relative}.poster:after{content:"共研课堂";position:absolute;left:13px;bottom:10px;font-size:11px;letter-spacing:.08em;color:#cce4e4}.lesson-body{padding:17px}.lesson-meta{font-size:12px;color:var(--muted);display:flex;gap:7px;align-items:center;flex-wrap:wrap}.video-wrap{background:#09131f;border-radius:16px;overflow:hidden;box-shadow:0 12px 30px rgba(6,18,31,.18)}.video-wrap video{width:100%;display:block;max-height:72vh}.stars{color:#b27a20;font-weight:850}.upload-progress{height:9px;background:#e6edf2;border-radius:999px;overflow:hidden;display:none}.upload-progress span{height:100%;display:block;width:0;background:var(--teal)}
.program-line{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:7px;margin-top:20px}.program-step{min-height:76px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px;font-size:12px;color:#4f6074}.program-step strong{display:block;color:var(--navy);font-size:13px;margin-bottom:4px}.program-arrow{display:none}.identity-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.campus-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:800}.footer{padding:32px 0 38px;color:#748296;font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}.footer strong{color:#526479}
.successbox{text-align:center;padding:34px}.role-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.role-card{padding:18px;border:1px solid var(--line);border-radius:15px;background:#fff}
@media(max-width:980px){.hero-grid,.shell,.grid2,.grid3,.lesson-grid{grid-template-columns:1fr}.side{position:static}.metric-grid{grid-template-columns:repeat(2,1fr)}.campus-strip{grid-template-columns:1fr 1fr 1fr}.program-line{grid-template-columns:repeat(4,1fr)}.hero{padding-top:46px}}
@media(max-width:720px){.container{width:min(100% - 22px,1200px)}.topbar .inner{align-items:flex-start;flex-direction:column;padding:12px 0;gap:10px}.nav{width:100%}.brandtitle{white-space:normal}.hero{padding:38px 0}.hero-grid{gap:24px}.entry-main{grid-template-columns:38px 1fr}.entry-main>.btn,.entry-main>.mini-actions{grid-column:2}.campus-strip,.stats,.metric-grid,.form-grid,.program-line{grid-template-columns:1fr}.pagehead{align-items:flex-start;flex-direction:column}.panel{padding:18px}.lesson-grid{gap:14px}.footer-inner{flex-direction:column}.nav a,.nav button{padding:8px 9px}}
/* V5 · 研修包 / 任务版本 / 反馈闭环 */
.training-card{display:block;transition:.18s}.training-card:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(13,39,69,.10)}
.training-card h3{font-size:19px;margin:13px 0 7px}.training-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:12px}.training-stats span{background:#f4f7fa;border:1px solid var(--line);border-radius:999px;padding:5px 9px}
.action-box{margin-top:16px;padding:17px;border-radius:14px;background:linear-gradient(145deg,#edf7f5,#f7fbfb);border:1px solid #cfe7e3}.action-box h3{margin:8px 0 5px}.action-box p{margin:0}
.task-link{transition:.16s}.task-link:hover{border-color:#9fc7c3;background:#f8fcfb}
.version-card{padding:16px 0;border-bottom:1px solid var(--line)}.version-card:last-child{border-bottom:0}.version-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:10px}.version-no{display:inline-grid;place-items:center;min-width:42px;height:34px;border-radius:10px;background:var(--navy);color:#fff;font-weight:900}.feedback-box{margin:10px 0;padding:13px 14px;border-radius:12px;background:var(--teal-soft);border:1px solid #c8e4e0}.feedback-box b{color:var(--teal-dark)}
/* V5.1 · 能力画像 / 课堂观察 */
.range-row{padding:12px 0;border-bottom:1px solid var(--line)}.range-row:last-child{border-bottom:0}.range-control{display:grid;grid-template-columns:1fr 42px;gap:10px;align-items:center;margin-top:7px}.range-control input{width:100%}.range-control span{font-weight:900;color:var(--teal);text-align:center}
.scale-list{display:grid;gap:10px}.scale-list div{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center}.scale-list b{width:30px;height:30px;border-radius:9px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center}.scale-list span{color:var(--muted)}
.competency-grid{display:grid;gap:13px}.competency-row{display:grid;grid-template-columns:minmax(130px,210px) minmax(0,1fr) 48px;gap:12px;align-items:center}.comp-label{font-size:14px;font-weight:750}.bar-track{height:12px;background:#e8edf2;border-radius:999px;position:relative;overflow:hidden}.bar-base,.bar-current{position:absolute;left:0;top:0;height:100%;border-radius:999px}.bar-base{background:#b9c8d6;opacity:.9}.bar-current{background:var(--teal);height:6px;top:3px}.comp-score{font-weight:900;color:var(--navy)}.legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:12px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:20px;height:7px;border-radius:999px;display:inline-block}.legend-base{background:#b9c8d6}.legend-current{background:var(--teal)}
.competency-form,.observation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px}
@media(max-width:720px){.competency-row{grid-template-columns:1fr 44px}.bar-track{grid-column:1/-1;grid-row:2}.comp-score{grid-column:2;grid-row:1}.competency-form,.observation-grid{grid-template-columns:1fr}}