:root{
  --primary:#ff6b35; --primary-d:#e85a2a; --primary-l:#fff1ea;
  --ink:#222; --sub:#666; --line:#ecdfd6; --bg:#f7f4f1; --card:#fff;
  --green:#1faa59; --red:#e23b3b; --blue:#2f7de1; --gold:#d99a2b;
  --sidebar:#2b2330; --sidebar-ink:#cfc6d4;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:14px;-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.loading{padding:60px;text-align:center;color:var(--sub)}

/* ===== 登录 ===== */
.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff8a5b,#ff6b35 60%,#e85a2a);padding:16px}
.login-card{background:#fff;border-radius:18px;width:100%;max-width:380px;padding:34px 28px;box-shadow:0 20px 60px rgba(0,0,0,.18)}
.brand-logo{text-align:center;margin-bottom:18px}
.brand-logo .logo{width:56px;height:56px;border-radius:16px;background:var(--primary);color:#fff;font-size:26px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.brand-logo h1{font-size:20px;margin:12px 0 2px}
.brand-logo p{color:var(--sub);margin:0;font-size:13px}
.field{margin:14px 0}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
.input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff;outline:none}
.input:focus,select:focus,textarea:focus{border-color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:.15s}
.btn:hover{background:var(--primary-d)}
.btn.block{width:100%;padding:12px}
.btn.ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn.sm{padding:6px 10px;font-size:12px;border-radius:8px}
.btn.gray{background:#eee;color:#555}
.demo-accounts{margin-top:16px;font-size:12px;color:var(--sub);background:var(--primary-l);border-radius:10px;padding:10px 12px;line-height:1.8}
.demo-accounts b{color:var(--primary-d)}
.mobile-tip{margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;font-size:12px;color:var(--sub)}
.mobile-tip .mt-title{font-weight:700;color:var(--primary-d);margin-bottom:8px}
.mobile-tip .mt-url{background:#f6f8fa;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-family:monospace;font-size:13px;color:#222;word-break:break-all}
.mobile-tip .mt-row{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}
.mobile-tip .mt-hint{color:var(--sub);line-height:1.5}
.mobile-tip .mt-qr{margin-top:8px;color:var(--sub);background:var(--primary-l);border-radius:8px;padding:8px 10px;line-height:1.5}
.work-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin-top:14px}
.work-card{position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.work-card .thumb{aspect-ratio:4/3;background:#f3efe9;overflow:hidden}
.work-card .thumb img{width:100%;height:100%;object-fit:cover}
.work-card .star{position:absolute;top:10px;left:10px;background:var(--gold);color:#fff;font-size:12px;padding:3px 8px;border-radius:20px}
.work-card .meta{padding:10px 12px;flex:1}
.work-card .meta .t{font-weight:600;font-size:14px}
.work-card .meta .s{font-size:12px;color:var(--sub);margin-top:3px}
.work-card .meta .c{font-size:12px;color:#555;margin-top:4px;background:#faf7f3;border-radius:6px;padding:5px 7px}
.work-foot{display:flex;align-items:center;gap:10px;padding:8px 12px;border-top:1px solid var(--line)}
.like-btn{background:none;border:1px solid var(--line);border-radius:20px;padding:4px 12px;font-size:13px;cursor:pointer;color:var(--sub)}
.like-btn.on{color:var(--red);border-color:var(--red);background:#fff0ed}
.comments{padding:8px 12px;border-top:1px solid var(--line);background:#fafafa;font-size:13px}
.comments .cm{padding:4px 0;border-bottom:1px dashed #eee}
.comments .cm-input{display:flex;gap:6px;margin-top:8px}
.input.sm{padding:7px 9px;font-size:13px}
.work-card .ops{padding:8px 12px;border-top:1px solid var(--line);display:flex;gap:6px;flex-wrap:wrap}

/* ===== 布局 ===== */
.shell{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--sidebar);color:var(--sidebar-ink);flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:30;transition:transform .2s}
.sidebar .logo{display:flex;align-items:center;gap:10px;padding:18px 16px;color:#fff;font-weight:700;font-size:15px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .logo .lg{width:34px;height:34px;border-radius:9px;background:var(--primary);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.nav{flex:1;overflow-y:auto;padding:8px}
.nav-group{font-size:11px;color:#8d8393;padding:14px 14px 6px;letter-spacing:1px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:9px;color:var(--sidebar-ink);font-size:13.5px;margin:2px 0}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:var(--primary);color:#fff}
.nav .ic{width:18px;text-align:center;font-size:15px}
.main{flex:1;margin-left:220px;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:20}
.topbar .title{font-weight:700;font-size:16px}
.topbar .right{display:flex;align-items:center;gap:14px}
.bell{position:relative;font-size:19px;cursor:pointer}
.bell .dot{position:absolute;top:-4px;right:-4px;background:var(--red);color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 4px}
.user-chip{display:flex;align-items:center;gap:8px;cursor:pointer}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.content{padding:18px;flex:1}
.menu-toggle{display:none;font-size:22px;cursor:pointer}

/* ===== 卡片/网格 ===== */
.grid{display:grid;gap:14px}
.cards{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.stat .k{color:var(--sub);font-size:13px}
.stat .v{font-size:26px;font-weight:800;margin-top:4px}
.stat .v.warn{color:var(--gold)} .stat .v.danger{color:var(--red)} .stat .v.ok{color:var(--green)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:16px}
.panel h3{margin:0 0 12px;font-size:15px;display:flex;align-items:center;justify-content:space-between;gap:8px}
/* 家长端：多子女卡片 */
.child-card{padding:14px 16px}
.child-head{display:flex;align-items:center;gap:12px}
.child-avatar{width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.child-meta{flex:1;min-width:0}
.child-name{font-size:15px;font-weight:700}
.child-lesson{background:var(--primary-l);color:var(--primary-d);font-weight:700;border-radius:10px;padding:5px 10px;font-size:13px;white-space:nowrap}
.child-lesson.warn{background:#fff2e6;color:#e85a2a}
.child-row{margin-top:8px;font-size:13px;color:var(--sub)}
.child-row b{color:var(--ink)}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.spacer{flex:1}

/* ===== 表格 ===== */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.table th{color:var(--sub);font-weight:600;background:#faf7f4}
.table tr:hover td{background:#fdfaf7}
.table .ops{display:flex;gap:6px;flex-wrap:wrap}

/* ===== 徽章 ===== */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.b-green{background:#e6f6ec;color:var(--green)} .b-red{background:#fde7e7;color:var(--red)}
.b-blue{background:#e7f0fd;color:var(--blue)} .b-gold{background:#fbf0d8;color:var(--gold)}
.b-gray{background:#eee;color:#666} .b-primary{background:var(--primary-l);color:var(--primary-d)}

/* ===== 弹窗 ===== */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal{background:#fff;border-radius:16px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;padding:20px}
.modal h3{margin:0 0 14px;font-size:17px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.modal .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

/* ===== 图表 ===== */
.bar{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:13px}
.bar .lab{width:90px;color:var(--sub);flex-shrink:0}
.bar .track{flex:1;background:#f0ebe6;border-radius:6px;height:18px;overflow:hidden}
.bar .fill{height:100%;background:var(--primary);border-radius:6px}
.funnel{display:flex;flex-direction:column;gap:6px}
.funnel .step{background:var(--primary-l);border-radius:8px;padding:8px 12px;display:flex;justify-content:space-between;font-size:13px}

/* 可视化图表（纯 SVG / CSS，零依赖） */
.chart-svg{width:100%;height:auto;display:block}
.grid.two-col{grid-template-columns:1fr 1fr}
.donut-wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.donut-svg{width:160px;height:160px;flex-shrink:0}
.donut-legend{display:flex;flex-direction:column;gap:6px;flex:1;min-width:140px}
.lg-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink)}
.lg-item .dotc{width:12px;height:12px;border-radius:3px;flex-shrink:0}
.hbar{display:flex;flex-direction:column;gap:9px}
.hbar-row{display:flex;align-items:center;gap:8px;font-size:13px}
.hbar-lab{width:96px;color:var(--sub);flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hbar-track{flex:1;background:#f0ebe6;border-radius:6px;height:16px;overflow:hidden}
.hbar-fill{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#ffa06b);border-radius:6px;transition:width .4s}
.hb-meta{color:var(--sub);font-size:11px;flex-shrink:0;min-width:118px;text-align:right}
.kpi-row .card.stat .v{font-size:22px}
@media(max-width:860px){ .hb-meta{min-width:90px} }
.funnel-chart{display:flex;flex-direction:column;align-items:center;gap:5px;padding:6px 0}
.fn-step{height:34px;border-radius:8px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;color:#fff;font-size:13px;min-width:120px;transition:width .4s;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.fn-step .fn-name{font-weight:600}
.fn-step b{font-size:15px}

/* ===== 提醒中心 ===== */
.noti-item{display:flex;gap:10px;padding:12px;border-bottom:1px solid var(--line);align-items:flex-start}
.noti-item.unread{background:#fff8f3}
.noti-ic{width:34px;height:34px;border-radius:9px;background:var(--primary-l);color:var(--primary-d);display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.noti-body{flex:1;min-width:0}
.noti-body .t{font-weight:600;font-size:13.5px}
.noti-body .c{color:var(--sub);font-size:13px;margin-top:2px}
.noti-body .time{color:#aaa;font-size:11px;margin-top:3px}

/* ===== 考勤 ===== */
.att-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.att-stu{border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.att-stu .nm{font-weight:700}
.att-stu .sub{color:var(--sub);font-size:12px;margin:4px 0 8px}
.seg{display:flex;gap:4px;justify-content:center}
.seg button{flex:1;padding:6px 0;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:12px}
.seg button.on{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ===== 转介绍 ===== */
.ref-box{text-align:center;padding:10px}
.ref-link{background:#f7f4f1;border:1px dashed var(--primary);border-radius:10px;padding:10px;font-size:12px;word-break:break-all;margin:10px 0}
.qr{display:inline-block;padding:10px;background:#fff;border:1px solid var(--line);border-radius:12px}

/* ===== 目标完成率进度条 ===== */
.goal{display:flex;flex-direction:column;gap:6px;margin:6px 0}
.goal-row{display:flex;justify-content:space-between;font-size:13px}
.goal-row .ok{color:#1faa59;font-weight:700}
.goal-row .warn{color:#d99a2b;font-weight:700}
.goal-bar{height:10px;background:#eef1f5;border-radius:6px;overflow:hidden}
.goal-fill{height:100%;background:linear-gradient(90deg,#2f7de1,#1faa59);border-radius:6px;transition:width .4s}
.goal-fill.alt{background:linear-gradient(90deg,#f0a73b,#e23b3b)}
.tbl-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{padding:8px 10px;text-align:center;border-bottom:1px solid #eef1f5;white-space:nowrap}
.tbl th{color:#6b7785;font-weight:600;background:#fafbfc}
.tbl td.ok{color:#1faa59;font-weight:700}
.tbl td.warn{color:#e23b3b;font-weight:700}
.tbl td.muted{color:#9aa5b1}

/* ===== 招生落地页（公开 H5） ===== */
.landing{max-width:720px;margin:0 auto;background:var(--card);min-height:100vh}
.ld-top{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg,#1a2b4a,#2c4a7c);color:#fff}
.ld-brand{font-weight:700;display:flex;align-items:center;gap:8px}
.ld-brand .logo{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px}
.ld-login{color:#fff;font-size:13px;background:rgba(255,255,255,.16);padding:6px 12px;border-radius:999px}
.ld-hero{background:linear-gradient(135deg,#fff1ea,#ffe3d6);padding:36px 24px;text-align:center}
.ld-hero h1{margin:0 0 10px;font-size:24px;color:var(--ink)}
.ld-hero p{margin:0;color:var(--sub);font-size:14px}
.ld-block{padding:22px 20px;border-bottom:1px solid var(--line)}
.ld-block h2{margin:0 0 14px;font-size:18px}
.ld-loading,.muted{color:var(--sub)}
.ld-chips{display:flex;flex-wrap:wrap;gap:10px}
.ld-chip{background:var(--primary-l);color:var(--primary-d);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600}
.ld-acts{display:flex;flex-direction:column;gap:12px}
.ld-act{background:#faf7f5;border:1px solid var(--line);border-radius:12px;padding:14px}
.ld-act-name{font-weight:700;font-size:15px}
.ld-act-meta{color:var(--primary-d);font-weight:600;font-size:13px;margin:4px 0}
.ld-act-rule{color:var(--sub);font-size:12.5px}
.ld-works{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.ld-work{background:#faf7f5;border-radius:12px;overflow:hidden}
.ld-work img{width:100%;height:120px;object-fit:cover;display:block;background:#eee}
.ld-work-t{padding:8px 10px 2px;font-weight:600;font-size:13px}
.ld-work-s{padding:0 10px 10px;color:var(--sub);font-size:12px}
.ld-form{display:flex;flex-direction:column;gap:12px;max-width:420px}
.ld-form .btn.block{background:var(--primary);color:#fff;border:none}
.ld-msg{font-size:13px;min-height:18px}
.ld-msg.err{color:var(--red)}
.ld-msg.ok{color:var(--green)}
.ld-enroll-btn{margin-top:12px;background:transparent;border:1px solid var(--primary);color:var(--primary-d)}
.ld-foot{text-align:center;color:var(--sub);font-size:12px;padding:20px}
@media(max-width:560px){.ld-hero h1{font-size:20px}}

/* ===== 移动端 ===== */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:25}
@media(max-width:860px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay{display:none}
  .sidebar.open ~ .sidebar-overlay{display:block}
  .main{margin-left:0}
  .menu-toggle{display:block}
  .form-grid{grid-template-columns:1fr}
  .content{padding:12px}
  .table{display:block;overflow-x:auto;white-space:nowrap}
  .cards{grid-template-columns:repeat(2,1fr)}
  .grid.two-col{grid-template-columns:1fr}
}
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%);background:#333;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:99}
.toast.show{opacity:1}
.muted{color:var(--sub);font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.tag{display:inline-block;background:#f0ebe6;color:#666;border-radius:6px;padding:2px 8px;font-size:12px;margin:2px}