:root{
  --brand:#0f9d58;          /* 新能源绿 */
  --brand-d:#0b7a44;
  --brand-l:#e8f5ee;
  --ink:#1a1f26;
  --ink-2:#5b6472;
  --ink-3:#9aa3af;
  --line:#eef1f4;
  --bg:#f5f7f9;
  --card:#fff;
  --warn:#e8710a;
  --radius:14px;
  --tab-h:56px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--ink);overflow:hidden;
}
.hidden{display:none!important}
.pad-bottom{height:24px}

/* ---------- 登录 ---------- */
#page-login{position:fixed;inset:0;display:none;align-items:center;justify-content:center}
#page-login.active{display:flex}
.login-bg{position:absolute;inset:0;background:linear-gradient(160deg,#0b7a44 0%,#0f9d58 40%,#34c98a 100%)}
.login-box{position:relative;width:88%;max-width:360px;background:#fff;border-radius:20px;padding:30px 24px 24px;
  box-shadow:0 18px 50px rgba(0,0,0,.22);text-align:center}
.login-logo{width:56px;height:56px;margin:0 auto 14px;border-radius:16px;
  background:linear-gradient(135deg,#0f9d58,#34c98a);color:#fff;font-size:26px;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.login-title{margin:0;font-size:18px;font-weight:700;letter-spacing:.5px}
.login-sub{margin:4px 0 22px;color:var(--ink-3);font-size:13px}
.field{margin-bottom:12px}
.field input{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 14px;
  font-size:15px;outline:none;background:#fafbfc;transition:.15s}
.field input:focus{border-color:var(--brand);background:#fff}
.remember{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);margin:2px 0 18px;justify-content:flex-start}
.remember input{width:16px;height:16px;accent-color:var(--brand)}
.btn-primary{width:100%;height:46px;border:0;border-radius:10px;background:var(--brand);color:#fff;
  font-size:16px;font-weight:600;letter-spacing:2px;cursor:pointer;transition:.15s}
.btn-primary:active{background:var(--brand-d);transform:scale(.99)}
.btn-primary.sm{height:40px;font-size:14px;letter-spacing:1px;margin-top:10px}
.err{color:#e03131;font-size:13px;min-height:20px;margin:10px 0 0}
.login-tip{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-2)}
.login-tip code{background:var(--brand-l);color:var(--brand-d);padding:1px 6px;border-radius:4px}
.dim{color:var(--ink-3);font-size:11px;margin-top:4px}

/* ---------- 布局 ---------- */
#app{height:100%;display:flex;flex-direction:column}
.page{display:none;flex:1;flex-direction:column;min-height:0}
.page.active{display:flex}
.topbar{height:52px;flex-shrink:0;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 16px}
.topbar h2{margin:0;font-size:17px;font-weight:600}
.topbar-user{display:flex;align-items:center;gap:10px}
.topbar-name{font-size:15px;font-weight:600}
.topbar-sub{font-size:11px;color:var(--ink-3)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;flex-shrink:0}
.logout-btn{border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:12px;
  padding:5px 12px;border-radius:14px;cursor:pointer}
.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px 14px 0}

/* ---------- 首页 ---------- */
.stat-row{display:flex;gap:8px;margin-bottom:18px}
.stat{flex:1;background:var(--card);border-radius:var(--radius);padding:14px 6px;text-align:center;
  box-shadow:0 1px 3px rgba(16,24,40,.05)}
.stat b{display:block;font-size:20px;color:var(--brand-d)}
.stat span{font-size:11px;color:var(--ink-3)}
.sec-title{font-size:13px;font-weight:600;color:var(--ink-2);margin:16px 2px 9px}
.course-list,.notice-list{display:flex;flex-direction:column;gap:9px}
.c-card{background:var(--card);border-radius:var(--radius);padding:14px;display:flex;gap:12px;align-items:center;
  box-shadow:0 1px 3px rgba(16,24,40,.05);cursor:pointer}
.c-card:active{background:#fafbfc}
.c-badge{width:46px;height:46px;border-radius:11px;background:var(--brand-l);color:var(--brand-d);
  display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;font-size:10px}
.c-badge b{font-size:15px;line-height:1.1}
.c-main{flex:1;min-width:0}
.c-title{font-size:14px;font-weight:600;margin-bottom:3px}
.c-meta{font-size:11px;color:var(--ink-3);display:flex;gap:8px;flex-wrap:wrap}
.tag{display:inline-block;font-size:10px;padding:1px 7px;border-radius:9px;background:var(--brand-l);color:var(--brand-d)}
.tag.end{background:#f1f3f5;color:var(--ink-3)}
.n-card{background:var(--card);border-radius:var(--radius);padding:12px 14px;box-shadow:0 1px 3px rgba(16,24,40,.05)}
.n-card h4{margin:0 0 4px;font-size:14px}
.n-card p{margin:0;font-size:12px;color:var(--ink-2);line-height:1.55}
.n-card time{display:block;margin-top:6px;font-size:10px;color:var(--ink-3)}

/* ---------- 卡片/表单 ---------- */
.card{background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:0 1px 3px rgba(16,24,40,.05)}
.chip-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.chip-row.scroll-x{flex-wrap:nowrap;overflow-x:auto;margin-bottom:0;padding-bottom:2px}
.chip{font-size:12px;padding:5px 12px;border-radius:15px;background:#f1f3f5;color:var(--ink-2);
  cursor:pointer;white-space:nowrap;flex-shrink:0;border:1px solid transparent}
.chip.on{background:var(--brand-l);color:var(--brand-d);border-color:var(--brand);font-weight:600}
textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;
  font-size:14px;resize:none;outline:none;background:#fafbfc}
textarea:focus{border-color:var(--brand);background:#fff}

/* ---------- 搜索栏 ---------- */
.search-bar{background:#fff;border-bottom:1px solid var(--line);padding:10px 14px;flex-shrink:0}
.search-bar input{width:100%;height:38px;border:1px solid var(--line);border-radius:19px;
  padding:0 14px;font-size:14px;outline:none;background:#f5f7f9;margin-bottom:8px}
.search-bar input:focus{border-color:var(--brand);background:#fff}
.search-bar .chip-row{margin-bottom:0}

/* ---------- 同学卡片 ---------- */
.mate{background:var(--card);border-radius:var(--radius);padding:13px;margin-bottom:9px;
  display:flex;gap:11px;box-shadow:0 1px 3px rgba(16,24,40,.05)}
.mate .avatar{width:44px;height:44px;font-size:16px}
.mate-main{flex:1;min-width:0}
.mate-top{display:flex;align-items:baseline;gap:7px}
.mate-name{font-size:15px;font-weight:600}
.mate-no{font-size:11px;color:var(--ink-3)}
.mate-line{font-size:12px;color:var(--ink-2);margin-top:3px;display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.mate-bio{font-size:12px;color:var(--ink-3);margin-top:5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.coop{font-size:11px;color:var(--warn);background:#fff4e6;padding:2px 8px;border-radius:9px;display:inline-block;margin-top:5px}

/* ---------- 文件 ---------- */
.file{background:var(--card);border-radius:var(--radius);padding:12px 13px;margin-bottom:8px;
  display:flex;gap:11px;align-items:center;box-shadow:0 1px 3px rgba(16,24,40,.05);cursor:pointer}
.file:active{background:#fafbfc}
.f-ico{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#fff;flex-shrink:0}
.f-main{flex:1;min-width:0}
.f-name{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.f-meta{font-size:11px;color:var(--ink-3);margin-top:2px}
.f-dl{font-size:11px;color:var(--brand);flex-shrink:0}
.f-group-h{font-size:12px;font-weight:600;color:var(--ink-2);
  padding:14px 2px 6px;display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--line);margin-bottom:8px}
.f-group-h:first-child{padding-top:2px}
.f-group-cnt{font-size:11px;color:var(--ink-3);font-weight:400;background:var(--bg);
  border-radius:9px;padding:1px 7px}
.ico-pdf{background:#e03131}.ico-ppt{background:#d9480f}.ico-doc{background:#1c7ed6}
.ico-xls{background:#2b8a3e}.ico-img{background:#7048e8}.ico-video{background:#c2255c}
.ico-audio{background:#0c8599}.ico-online_doc{background:#1098ad}.ico-zip{background:#868e96}.ico-other{background:#adb5bd}

/* ---------- 底部 tab ---------- */
.tabbar{height:var(--tab-h);flex-shrink:0;background:#fff;border-top:1px solid var(--line);
  display:flex;padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;border:0;background:none;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:2px;color:var(--ink-3);cursor:pointer;font-size:10px;padding:0}
.tab i{font-size:19px;font-style:normal;line-height:1}
.tab.on{color:var(--brand);font-weight:600}

/* ---------- 抽屉 ---------- */
.sheet{position:fixed;inset:0;z-index:50}
.sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.sheet-body{position:absolute;left:0;right:0;bottom:0;height:88%;background:var(--bg);
  border-radius:18px 18px 0 0;display:flex;flex-direction:column;animation:up .25s ease}
@keyframes up{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet-head{padding:16px;background:#fff;border-radius:18px 18px 0 0;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.sheet-head h3{margin:0;font-size:16px}
.sheet-head button{border:0;background:#f1f3f5;width:28px;height:28px;border-radius:50%;
  font-size:14px;color:var(--ink-2);cursor:pointer}
.sheet-content{flex:1;overflow-y:auto;padding:14px 14px 30px;-webkit-overflow-scrolling:touch}

/* ---------- 详情内区块 ---------- */
.blk{background:#fff;border-radius:var(--radius);padding:14px;margin-bottom:11px}
.blk h4{margin:0 0 10px;font-size:14px;display:flex;align-items:center;gap:6px}
.blk h4::before{content:'';width:3px;height:13px;background:var(--brand);border-radius:2px}
.tutor{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}
.tutor:last-child{border-bottom:0}
.tutor .avatar{width:40px;height:40px;font-size:15px}
.tutor-name{font-size:14px;font-weight:600}
.tutor-title{font-size:11px;color:var(--brand-d);margin:1px 0 3px}
.tutor-bio{font-size:11px;color:var(--ink-3);line-height:1.5}
.day{margin-bottom:12px}
.day-h{font-size:12px;font-weight:600;color:var(--brand-d);background:var(--brand-l);
  padding:4px 10px;border-radius:7px;display:inline-block;margin-bottom:7px}
.ag{display:flex;gap:10px;padding:6px 0;font-size:13px}
.ag-time{color:var(--ink-3);font-size:11px;width:74px;flex-shrink:0;padding-top:1px}
.ag-ico{width:22px;flex-shrink:0;font-size:16px;line-height:1.2}
.ag-title{flex:1}
.ag-loc{font-size:11px;color:var(--ink-3)}
.ag-class{border-left:3px solid #4f7cff;padding-left:6px;margin-left:-3px}
.ag-visit{border-left:3px solid #19a36b;padding-left:6px;margin-left:-3px;background:#f1faf5;border-radius:4px}
.ag-meal{border-left:3px solid #ff8a3d;padding-left:6px;margin-left:-3px}
.ag-activity{border-left:3px solid #b350ff;padding-left:6px;margin-left:-3px;background:#faf4ff;border-radius:4px}
.ag-rest{border-left:3px solid #d0d4dc;padding-left:6px;margin-left:-3px;color:var(--ink-3)}
.kv{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--ink-3)}
.empty{text-align:center;color:var(--ink-3);font-size:13px;padding:22px 0}

/* ---------- 评分 ---------- */
.dim-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line)}
.dim-name{font-size:13px}
.stars{display:flex;gap:3px}
.star{font-size:20px;color:#dee2e6;cursor:pointer;transition:.1s}
.star.on{color:#f59f00}
.rate-btn{margin-top:12px}

/* ==================== 同学名录（统计栏 / 标签云 / 地图 / 名片） ==================== */
.tb-link{border:0;background:none;color:var(--brand);font-size:13px;font-weight:600;padding:6px 2px;cursor:pointer}

/* 统计栏：左「查看全部 / 搜索」，右统计数字 */
.mt-bar{display:flex;align-items:center;gap:8px;background:#fff;border-bottom:1px solid var(--line);
  padding:9px 14px;flex-shrink:0}
.mt-btn{display:flex;align-items:center;gap:4px;height:32px;padding:0 11px;border:1px solid var(--line);
  border-radius:16px;background:#fafbfc;color:var(--ink-2);font-size:12px;font-weight:500;cursor:pointer;
  white-space:nowrap;transition:.15s}
.mt-btn:active{background:var(--brand-l);border-color:var(--brand)}
.mt-btn i{font-style:normal;font-size:13px}
.mt-stats{margin-left:auto;display:flex;gap:14px}
.mt-stat{text-align:center;line-height:1.15}
.mt-stat b{display:block;font-size:16px;color:var(--brand-d);font-variant-numeric:tabular-nums}
.mt-stat span{font-size:10px;color:var(--ink-3)}

.mt-searchbox{display:flex;align-items:center;gap:8px;background:#fff;border-bottom:1px solid var(--line);
  padding:9px 14px;flex-shrink:0}
.mt-searchbox input{flex:1;height:36px;border:1px solid var(--line);border-radius:18px;padding:0 14px;
  font-size:14px;outline:none;background:#fafbfc}
.mt-searchbox input:focus{border-color:var(--brand);background:#fff}
.mt-searchbox button{border:0;background:none;color:var(--ink-3);font-size:13px;cursor:pointer;white-space:nowrap}

/* 我的资料引导 */
.mt-cta{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#e8f5ee,#fff8e8);
  border-radius:var(--radius);padding:12px 14px;margin-bottom:12px}
.mt-cta-txt{flex:1;min-width:0;line-height:1.35}
.mt-cta-txt b{display:block;font-size:13px;color:var(--brand-d)}
.mt-cta-txt span{font-size:11px;color:var(--ink-2)}
.mt-cta-btn{flex-shrink:0;height:30px;padding:0 14px;border:0;border-radius:15px;background:var(--brand);
  color:#fff;font-size:12px;font-weight:600;cursor:pointer}

/* 当前筛选 */
.mt-filter{display:flex;align-items:center;justify-content:space-between;background:var(--brand-l);
  color:var(--brand-d);font-size:12px;font-weight:600;border-radius:10px;padding:8px 12px;margin-bottom:12px}
.mt-filter button{border:0;background:none;color:var(--brand-d);font-size:12px;cursor:pointer;opacity:.8}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:7px;background:#fff;border-radius:var(--radius);padding:13px}
.tc{display:inline-flex;align-items:baseline;gap:3px;padding:5px 11px;border-radius:14px;cursor:pointer;
  background:#f1f3f5;color:var(--ink-2);font-size:12px;transition:.15s;user-select:none}
.tc em{font-style:normal;font-size:10px;opacity:.65;font-variant-numeric:tabular-nums}
.tc.lv1{font-size:12px}
.tc.lv2{font-size:13px;background:#e3f2e9;color:#2b7a52}
.tc.lv3{font-size:14px;font-weight:600;background:#cbe9d8;color:#1c6b43}
.tc.lv4{font-size:15px;font-weight:700;background:var(--brand);color:#fff}
.tc.lv4 em{opacity:.85}
.tc.lv0{background:#fafbfc;color:#c3c9d1;border:1px dashed #e3e7ec;font-size:11px}
.tc.on{outline:2px solid var(--brand-d);outline-offset:1px;background:var(--brand);color:#fff}

/* 中国省份分布（tile-grid cartogram，纯 DOM 绘制） */
.map-card{background:#fff;border-radius:var(--radius);padding:13px 12px 10px}
.cn-map{display:grid;grid-template-columns:repeat(8,1fr);grid-auto-rows:34px;gap:3px}
.pc{border-radius:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:#f2f4f6;color:#b6bdc6;cursor:pointer;transition:.15s;overflow:hidden;padding:1px}
.pc .pn{font-size:8px;line-height:1.1;letter-spacing:-.3px;white-space:nowrap;text-align:center}
.pc .pnum{font-size:10px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.pc.lv1{background:#e9f3ec;color:#3f8f66}
.pc.lv2{background:#a8ddbf;color:#1d6b45}
.pc.lv3{background:#0f9d58;color:#fff}
.pc.lv0{background:#f7f8f9;color:#c9ced5}
.pc.on{box-shadow:0 0 0 2px var(--brand-d);transform:scale(1.06);z-index:2}
/* 真实地图切换层（腾讯 GL JS，按需懒加载） */
.map-switch{display:flex;justify-content:flex-end;gap:6px;margin-bottom:9px}
.map-switch .ms-btn{font-size:11px;padding:4px 11px;border-radius:20px;cursor:pointer;
  border:1px solid var(--line);background:#fff;color:var(--ink-3);transition:.15s}
.map-switch .ms-btn.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.cn-map-gl{width:100%;height:300px;border-radius:8px;overflow:hidden;background:#eef1f4}
.cn-map-gl .gl-tip{font-size:11px;color:#8a929c;text-align:center;padding:14px 8px;line-height:1.7}
.map-gl-fallback{margin-top:8px;padding:8px 10px;border-radius:6px;background:#fff8e6;
  color:#8a6100;font-size:11px;line-height:1.6}
.map-legend{display:flex;justify-content:center;gap:10px;margin-top:10px;padding-top:9px;
  border-top:1px dashed var(--line)}
.map-legend .lg{display:flex;align-items:center;gap:4px;font-size:10px;color:var(--ink-3)}
.map-legend i{width:10px;height:10px;border-radius:2px;display:inline-block}
.sec-hint{float:right;font-weight:400;color:var(--ink-3);font-size:11px}

/* 学员列表 */
.mate-loc{font-size:11px;color:var(--ink-3)}
.mate-biz{font-size:12px;color:var(--ink-2);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mate-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:6px}
.mtag{font-size:10px;padding:2px 8px;border-radius:9px;background:#f1f3f5;color:var(--ink-2)}
.mtag.empty-tag{background:#fafbfc;color:#c3c9d1;border:1px dashed #e3e7ec}
.tag.self{background:var(--brand);color:#fff}
.tag.coop-tag{background:#fff4e6;color:var(--warn)}

/* 名片详情 */
.mp-head{display:flex;gap:12px;align-items:center;background:#fff;border-radius:var(--radius);
  padding:14px;margin-bottom:11px}
.avatar.lg{width:56px;height:56px;font-size:22px;flex-shrink:0}
.mp-head-main{flex:1;min-width:0}
.mp-name{font-size:17px;font-weight:700;display:flex;align-items:center;gap:6px}
.mp-sub{font-size:12px;color:var(--ink-2);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mp-meta{display:flex;gap:10px;font-size:11px;color:var(--ink-3);margin-top:4px}
.dim2{color:#c3c9d1}
.mp-p{font-size:13px;color:var(--ink-2);line-height:1.65;margin:0}
.mp-tags{display:flex;flex-wrap:wrap;gap:6px}
.blk-empty{font-size:12px;color:#c3c9d1;padding:6px 0}
.blk-note{font-size:11px;color:var(--ink-3);margin-top:8px;line-height:1.5}
.btn-primary.ghost{background:#fff;color:var(--brand-d);border:1px solid var(--brand);font-weight:600}
.btn-primary:disabled{opacity:.6}

/* 我的名片表单 */
.blk .field{margin-bottom:10px}
.blk .field label{display:block;font-size:12px;color:var(--ink-3);margin-bottom:5px}
.blk .field select{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;
  font:inherit;font-size:14px;background:#fafbfc;outline:none;color:var(--ink)}
.blk .field select:focus{border-color:var(--brand);background:#fff}
.blk textarea{font-size:14px;resize:vertical}
.pf-hits{margin-top:6px;display:flex;flex-direction:column;gap:5px}
.pf-hit{border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fafbfc;cursor:pointer}
.pf-hit b{display:block;font-size:12px;color:var(--ink);font-weight:600}
.pf-hit span{font-size:11px;color:var(--ink-3)}
.pf-hit.none{border-style:dashed;color:var(--ink-3);cursor:default;font-size:11px;background:#fff}
.pf-hit.ok{border-color:var(--brand);background:var(--brand-l);color:var(--brand-d);font-size:12px;cursor:default}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(14px);
  background:rgba(26,31,38,.92);color:#fff;font-size:13px;padding:9px 18px;border-radius:20px;
  opacity:0;pointer-events:none;transition:.22s;z-index:99;max-width:80%;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}