:root{
  --bg:#f5f4f0; --paper:#ffffff; --ink:#1c1c1e; --muted:#8a8a8e;
  --line:#ececec; --primary:#1f6f5c; --primary-d:#175a49;
  --gold:#c9a25e; --gold-d:#b08a45; --danger:#d9534f; --ok:#2e9e6b;
  --shadow:0 8px 30px rgba(20,20,20,.06); --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
button{font-family:inherit;cursor:pointer;border:none}

/* 工具页宫格配置编辑器 */
.t-list{display:flex;flex-direction:column;gap:12px}
.t-row{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fcfcfb}
.t-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.t-extra{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:var(--muted)}
.t-extra select{padding:5px 8px;border:1px solid var(--line);border-radius:8px;background:#fff}
.t-act{display:flex;gap:8px;flex-wrap:wrap;width:100%;margin-top:8px}
.t-in{padding:6px 8px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff}
.t-ic{width:48px;text-align:center;font-size:18px}
.t-ti{width:130px}.t-su{width:160px}.t-co{width:90px}.t-id{width:110px}
.t-en{display:flex;align-items:center;gap:4px;font-size:12px}
.t-mv{display:flex;gap:4px;margin-left:auto}
.btn.sm{padding:4px 9px;font-size:12px}

/* 学院图文教程编辑器 */
.editor-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.aca-prev{border:1px dashed var(--line);border-radius:8px;padding:14px;margin-top:10px;background:#fff;max-height:380px;overflow:auto}
.aca-prev img{max-width:100%}

/* 筛选标签激活态 */
.filters .btn.on{background:var(--primary);color:#fff;border-color:var(--primary)}

/* 登录 */
.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 70% -10%,#1f6f5c 0%,#0f3d33 45%,#0c2b24 100%)}
.login-card{width:380px;max-width:92vw;background:var(--paper);border-radius:24px;padding:38px 34px;
  box-shadow:0 30px 80px rgba(0,0,0,.25)}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.brand h1{font-size:24px;letter-spacing:2px}
.brand p{color:var(--muted);font-size:12px;margin-top:2px}
.logo{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:22px;
  background:linear-gradient(135deg,var(--gold),var(--gold-d));box-shadow:0 6px 18px rgba(201,162,94,.4)}
.logo.sm{width:30px;height:30px;font-size:15px;border-radius:9px}
.login-form label{display:block;margin-bottom:14px;color:var(--muted);font-size:12px}
.login-form input{width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;
  font-size:14px;background:#fafafa;transition:.2s}
.login-form input:focus{outline:none;border-color:var(--primary);background:#fff}
.login-form button{width:100%;margin-top:8px;padding:13px;border-radius:12px;color:#fff;font-size:15px;letter-spacing:4px;
  background:linear-gradient(135deg,var(--primary),var(--primary-d))}
.login-form button:hover{filter:brightness(1.05)}
.err{color:var(--danger);font-size:12px;min-height:16px;margin-top:8px;text-align:center}

/* 布局 */
.app{display:flex;height:100vh}
.side{width:220px;background:#11241f;color:#cfd8d4;display:flex;flex-direction:column;padding:22px 16px}
.side-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;margin-bottom:28px;padding:0 6px}
.side nav{display:flex;flex-direction:column;gap:4px;flex:1}
.side nav a{padding:11px 14px;border-radius:11px;color:#aeb9b4;cursor:pointer;font-size:14px;transition:.18s}
.side nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side nav a.active{background:linear-gradient(135deg,var(--primary),var(--primary-d));color:#fff;box-shadow:0 6px 16px rgba(31,111,92,.35)}
.side-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#8aa39a;padding:10px 6px 0;border-top:1px solid rgba(255,255,255,.08)}
.side-foot a{cursor:pointer;color:var(--gold)}
.main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px 30px;background:var(--paper);
  border-bottom:1px solid var(--line)}
.topbar h2{font-size:19px;letter-spacing:1px}
.topbar #clock{color:var(--muted);font-size:12px}
.view{flex:1;overflow:auto;padding:26px 30px}

/* 通用卡片/网格 */
.grid{display:grid;gap:18px}
.cards{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.card{background:var(--paper);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat .n{font-size:32px;font-weight:700;color:var(--primary)}
.stat .l{color:var(--muted);font-size:13px}
.stat .gold .n{color:var(--gold-d)}

.panel{background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.panel-head h3{font-size:15px}
.btn{padding:9px 16px;border-radius:10px;font-size:13px;background:var(--primary);color:#fff;transition:.18s}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:#f0f2f1;color:var(--ink)}
.btn.gold{background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#fff}
.btn.danger{background:var(--danger)}
.btn.sm{padding:6px 12px;font-size:12px}

/* 表格 */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:12px;background:#fafafa}
tr:hover td{background:#fcfcfb}
.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:11px;background:#eef2f1;color:var(--primary)}
.tag.s1{background:#fff3e0;color:#c77b00}.tag.s2{background:#e6f6ee;color:var(--ok)}
.tag.s3{background:#fdecec;color:var(--danger)}.tag.ai{background:#eef0ff;color:#5b5bd6}
.tag.src-mp{background:#e7f1ff;color:#1f6f9c}.tag.src-chat{background:#e9f7ef;color:#1f8a4c}
.cover{width:64px;height:42px;border-radius:8px;object-fit:cover;background:#eee}
.avatar-sm{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#eee;vertical-align:middle}
.row-actions{display:flex;gap:6px}

/* 学院数据看板：卡片 + 列表 */
.stat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:18px}
.stat-card{background:linear-gradient(135deg,#fff,#f7fbfa);border:1px solid var(--line);border-radius:14px;padding:18px 16px;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat-card .sv{font-size:30px;font-weight:700;color:var(--primary);line-height:1.1}
.stat-card .sl{margin-top:6px;font-size:13px;color:var(--muted)}
.stat-card.vp .sv{color:#7b46c4}.stat-card.vi .sv{color:#2f7de0}
.stat-card.vr .sv{color:#c77b00}.stat-card.lo .sv{color:#2e9e6b}
.stat-card.pu .sv{color:#b5791a}
.aca-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.aca-top{margin:0}
.aca-top .rk{color:var(--muted);width:36px}
.aca-top .vw{text-align:right;font-weight:600;color:var(--primary)}
.aca-bars{padding:14px 18px;display:flex;flex-direction:column;gap:10px}
.bar-row{display:flex;align-items:center;gap:10px;font-size:13px}
.bar-row .bl{width:120px;flex-shrink:0;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar{flex:1;height:12px;background:#f0f1f3;border-radius:8px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(135deg,var(--primary),var(--primary-d));border-radius:8px}
.bar-row .bv{width:48px;text-align:right;color:var(--muted);flex-shrink:0}
@media(max-width:980px){.stat-grid{grid-template-columns:repeat(3,1fr)}.aca-cols{grid-template-columns:1fr}}
@media(max-width:560px){.stat-grid{grid-template-columns:repeat(2,1fr)}.bar-row .bl{width:80px}}


/* 数据大屏 */
.screen{display:flex;flex-direction:column;gap:28px;padding:8px 4px}
.screen-sec{background:#fff;border-radius:18px;padding:22px 24px;box-shadow:0 6rpx 20rpx rgba(20,20,20,.04)}
.screen-title{margin:0 0 16px;font-size:18px;color:#222;position:relative;padding-left:14px}
.screen-title::before{content:"";position:absolute;left:0;top:3px;width:5px;height:18px;background:linear-gradient(135deg,#1f6f5c,#175a49);border-radius:3px}
.screen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.screen-card{background:linear-gradient(135deg,#f7fbfa,#eef5f3);border:1px solid #e3eeea;border-radius:16px;padding:22px 20px;position:relative;overflow:hidden}
.screen-card .sc-num{font-size:42px;font-weight:700;color:#1f6f5c;line-height:1.1}
.screen-card .sc-label{margin-top:8px;font-size:14px;color:#555}
.screen-card .sc-label small{margin-left:6px;color:#9aa;font-size:12px}
.screen-card .sc-today{margin-top:10px;font-size:12px;color:#1f8a4c;background:#e9f7ef;display:inline-block;padding:2px 10px;border-radius:20px}
.screen-card.today{background:linear-gradient(135deg,#fff7ed,#fdeede);border-color:#f3e2cc}
.screen-card.today .sc-num{color:#c77b00}
@media(max-width:720px){.screen-grid{grid-template-columns:repeat(2,1fr)}}

/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;background:#fafafa;font-family:inherit}
.field input:focus,.field textarea:focus{border-color:var(--primary);background:#fff;outline:none}
.field textarea{min-height:120px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.sortable{cursor:pointer;user-select:none}
.sortable:hover{color:var(--primary)}
.batchbar{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;padding:6px 4px}
.batchbar .cb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);cursor:pointer}
.batchbar .sel-info{font-size:13px;color:var(--muted)}
.batchbar .sel-info b{color:var(--primary)}
.link-cat{color:var(--primary);cursor:pointer;border-bottom:1px dashed var(--primary)}
.link-cat:hover{color:var(--primary-d)}
.link-status{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;cursor:pointer;font-weight:600}
.link-status.on{background:#e6f6ee;color:var(--ok)}
.link-status.off{background:#fff3e0;color:#c77b00}

/* 聊天台 */
.chat{display:grid;grid-template-columns:300px 1fr;gap:18px;height:calc(100vh - 140px)}
.chat-list{background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow);overflow:auto}
.chat-item{padding:14px 16px;border-bottom:1px solid var(--line);cursor:pointer;display:flex;gap:10px;align-items:center}
.chat-item:hover{background:#fafafa}.chat-item.active{background:#eef4f2}
.chat-item .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-d));
  color:#fff;display:grid;place-items:center;font-size:14px;flex:none}
.chat-item .meta{flex:1;min-width:0}
.chat-item .meta .nm{font-size:13px;display:flex;justify-content:space-between}
.chat-item .meta .lm{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{background:var(--danger);color:#fff;border-radius:10px;font-size:11px;padding:0 6px;min-width:18px;text-align:center}
.chat-room{background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.chat-msgs{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px;background:#fbfbfa}
.msg{max-width:72%;padding:10px 14px;border-radius:14px;font-size:13px;line-height:1.5;word-break:break-word}
.msg.customer{align-self:flex-end;background:linear-gradient(135deg,var(--primary),var(--primary-d));color:#fff;border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:#eef0ff;color:#2c2c3a;border-bottom-left-radius:4px}
.msg.service{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.system{align-self:center;background:transparent;color:var(--muted);font-size:12px}
.chat-input{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line)}
.chat-input textarea{flex:1;border:1px solid var(--line);border-radius:12px;padding:10px 12px;resize:none;font-family:inherit;font-size:14px}
.mode-btns{display:flex;gap:6px}
.empty{display:grid;place-items:center;height:100%;color:var(--muted)}

.modal{position:fixed;inset:0;background:rgba(20,20,20,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-box{width:560px;max-width:100%;max-height:90vh;overflow:auto;background:var(--paper);border-radius:20px;padding:26px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.modal-box h3{margin-bottom:16px}
.modal-box.wide{width:760px}
.link-title{cursor:pointer;color:#0f8a6e}
.link-title:hover{text-decoration:underline}
.pv-cover{width:100%;max-height:340px;object-fit:cover;border-radius:12px;margin-bottom:14px}
.pv-title{font-size:21px;margin:0 0 8px;line-height:1.35}
.pv-meta{color:var(--muted);font-size:12px;margin-bottom:16px}
.pv-content{line-height:1.85;font-size:15px;word-break:break-word}
.pv-content img{max-width:100%;border-radius:8px;margin:8px 0}
.pv-content h1,.pv-content h2,.pv-content h3{margin:18px 0 8px}
.pv-content p{margin:10px 0}
.pv-content a{color:#0f8a6e}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* 海报模板：拖拽定位器 + 文字层 */
#p_prev{line-height:0}
.p-frame{position:absolute;border:2px dashed var(--gold);background:rgba(201,162,94,.12);box-sizing:border-box}
.p-frame.drawing{border-color:var(--danger);background:rgba(217,83,79,.12)}
.p-frame .p-fidx{position:absolute;left:2px;top:2px;background:var(--gold);color:#fff;font-size:10px;line-height:1;padding:1px 4px;border-radius:6px}
.p-layer{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;background:#fcfcfb;font-size:12px}
.p-layer>b{color:var(--primary)}
.p-layer label{display:flex;align-items:center;gap:4px;color:var(--muted)}
.p-layer input[type=text],.p-layer input:not([type]){padding:5px 8px;border:1px solid var(--line);border-radius:8px;width:120px}
.p-layer input[type=number]{width:64px;padding:5px 8px;border:1px solid var(--line);border-radius:8px}
.p-layer select{padding:5px 8px;border:1px solid var(--line);border-radius:8px}
.p-layer .p-bold{background:none}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#1c1c1e;color:#fff;padding:11px 20px;border-radius:12px;font-size:13px;opacity:0;transition:.3s;z-index:99}
.toast.show{opacity:1}

@media(max-width:860px){
  .side{width:64px;padding:16px 8px}.side-brand b,.side nav a{font-size:0}.side nav a::first-letter{font-size:16px}
  .chat{grid-template-columns:1fr}.chat-list{max-height:200px}
}