/* ============================================================
   E体教 · 浅蓝体育风 / 田径场主题 设计系统
   统一视觉语言：主蓝 #1E6BFF / 跑道橙 #FF8A3D / 青蓝 / 信赖绿
   说明：保留旧变量名（--primary / --accent 等）以兼容大量行内 var() 用法；
        仅将取值改为新配色，实现全局自动换肤。所有 class 名保持不变，JS 零改动。
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --blue:#1E6BFF; --blue-2:#2E7BFF; --blue-dark:#1551C4;
  --primary:#1E6BFF; --primary-light:#2E7BFF; --primary-dark:#1551C4;
  --cyan:#00C2FF; --cyan-dark:#00A6E0;
  --orange:#FF8A3D; --orange-2:#FFB070;
  --accent:#FF8A3D; --accent-light:#FFB070;
  --green:#16A534; --green-soft:#E6F7EE;
  --ink:#0B2545; --body:#5A7A9E; --muted:#8AA5C4;
  --text:#0B2545; --text-secondary:#5A7A9E; --text-light:#8AA5C4;
  --bg:#F2F8FF; --bg-blue:#EAF3FF; --bg-soft:#F7FAFF; --card-bg:#FFFFFF;
  --line:#E4EDFA; --line-blue:#DBEBFF; --border:#E4EDFA;
  --shadow:0 12px 28px rgba(11,29,56,.08);
  --shadow-soft:0 10px 24px rgba(11,29,56,.06);
  --shadow-hover:0 18px 40px rgba(11,29,56,.14);
  --shadow-search:0 10px 30px rgba(11,29,56,.08);
  --radius:18px; --radius-sm:12px; --radius-pill:999px;
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
  --free-color:#16A534; --vip-color:#F59E0B; --vip-bg:#FFF7ED; --free-bg:#E6F7EE;
  --grad-blue:linear-gradient(135deg,#2E7BFF 0%,#1E6BFF 100%);
  --grad-orange:linear-gradient(135deg,#FFB070 0%,#FF8A3D 100%);
  --grad-cyan:linear-gradient(135deg,#00C2FF 0%,#00A6E0 100%);
  --grad-blue-soft:linear-gradient(180deg,#E5F2FF 0%,#F2F7FF 100%);
  font-size:16px;
}

/* ---------- Reset / Base ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  background:linear-gradient(170deg,#EAF3FF 0%,#F2F8FF 50%,#F7FAFF 100%);
  background-attachment:fixed;
  min-height:100vh;
  color:var(--text);line-height:1.6;overflow-x:hidden;
}
.num,.kv,.tv,.hl-num{font-family:'Inter','PingFang SC',sans-serif;font-feature-settings:'tnum';letter-spacing:.2px}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer}
img{max-width:100%;display:block}
input,select,textarea{font-family:inherit}
::selection{background:rgba(30,107,255,.15)}

/* ---------- App Shell ---------- */
.app{max-width:1440px;margin:0 auto;background:transparent;min-height:100vh;position:relative;overflow-x:hidden}
.view{display:none}
.view.active{display:block;animation:viewIn .35s ease}
@keyframes viewIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ============================================================
   顶部导航 (hm-topbar)
   ============================================================ */
.hm-topbar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:16px 48px;background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.hm-brand{display:flex;align-items:center;gap:12px;cursor:pointer}
.hm-brand-logo{height:34px;width:auto;max-width:140px;border-radius:8px;display:block;object-fit:contain}
.hm-brand-name{font-size:23px;font-weight:800;color:var(--ink);letter-spacing:-.5px}
.hm-brand-tag{font-size:14px;color:var(--muted);padding-left:12px;margin-left:4px;border-left:1px solid var(--line)}
.hm-nav{display:flex;align-items:center;gap:30px}
.hm-nav a{font-size:15px;font-weight:500;color:var(--body);transition:color .2s;position:relative;padding:6px 0}
.hm-nav a:hover{color:var(--blue)}
.hm-nav a.hm-active{color:var(--blue)}
.hm-nav a.hm-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--grad-blue)}
.hm-btn-login{
  display:inline-flex;align-items:center;padding:10px 26px;border-radius:var(--radius-pill);
  background:var(--grad-blue);color:#fff;font-size:14px;font-weight:600;border:none;
  box-shadow:0 8px 18px rgba(30,107,255,.28);transition:transform .2s,box-shadow .2s,opacity .2s;
}
.hm-btn-login:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(30,107,255,.36)}
.hm-topbar-old{font-size:13px;font-weight:500;color:var(--body);text-decoration:none;margin-right:16px;transition:color .2s}
.hm-topbar-old:hover{color:var(--blue)}

/* 帮助与反馈：与导航链接同款，hover 出下拉 */
.hm-help-wrap{position:relative;display:inline-block}
.hm-help-link{font-size:15px;font-weight:500;color:var(--body);padding:6px 0;transition:color .2s;display:inline-flex;align-items:center;gap:4px}
.hm-help-link:hover,.hm-help-wrap:hover .hm-help-link,.hm-help-wrap:focus-within .hm-help-link{color:var(--blue)}
.hm-help-link i{font-size:11px;transition:transform .2s}
.hm-help-wrap:hover .hm-help-link i,.hm-help-wrap:focus-within .hm-help-link i{transform:rotate(180deg)}
/* 下拉：与触发器间距缩小到 4px，并用隐形过桥伪元素接住鼠标，移出后 80ms 延迟才隐藏 */
.hm-help-drop{position:absolute;top:calc(100% + 4px);right:0;min-width:176px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px rgba(11,29,56,.16);padding:8px;z-index:60;display:flex;flex-direction:column;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s ease,transform .15s ease,visibility 0s linear .08s}
.hm-help-wrap:hover .hm-help-drop,.hm-help-wrap:focus-within .hm-help-drop{opacity:1;visibility:visible;transform:translateY(0);transition:opacity .15s ease,transform .15s ease,visibility 0s}
/* 隐形过桥：鼠标从文字移向菜单时，经过这 12px 区域仍算 hover */
.hm-help-drop::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.hm-help-drop a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;font-size:14px;color:var(--ink);cursor:pointer;transition:background .15s}
.hm-help-drop a:hover{background:var(--bg-soft)}
.hm-help-drop a i{color:var(--blue);width:16px;text-align:center}

/* 登录后头像：点击回个人中心 */
.hm-avatar{display:none;width:40px;height:40px;border-radius:50%;background:var(--grad-blue);color:#fff;border:none;cursor:pointer;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin-left:14px;box-shadow:0 4px 12px rgba(30,107,255,.3);flex:0 0 auto;overflow:hidden;padding:0;transition:transform .2s,box-shadow .2s}
.hm-avatar:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(30,107,255,.4)}
.hm-avatar.logged-in{display:flex}
.hm-avatar span{display:block;width:100%;height:100%;overflow:hidden;border-radius:50%}
.hm-avatar img{width:100%;height:100%;object-fit:cover;display:block;border-radius:50%}

/* ============================================================
   首页 (view-home) — 浅蓝体育风 7 段
   ============================================================ */
#view-home{padding-bottom:0}

/* Hero */
.hm-hero{
  position:relative;display:flex;align-items:center;gap:48px;
  padding:64px 48px 76px;background:var(--grad-blue-soft);overflow:hidden;
}
.hm-hero-left{flex:1;display:flex;flex-direction:column;gap:22px;min-width:0}
.hm-hero h1{font-size:50px;line-height:66px;font-weight:800;color:var(--ink);letter-spacing:-1px}
.hm-hero .hm-hl{color:var(--blue)}
.hm-hero-sub{font-size:17px;line-height:30px;color:var(--body);max-width:560px}
.hm-hero-search{
  display:flex;align-items:center;gap:12px;padding:8px 8px 8px 20px;
  border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line-blue);box-shadow:var(--shadow-search);
}
.hm-hero-search input{
  flex:1;border:none;outline:none;font-size:15px;color:var(--ink);background:transparent;min-width:0;
}
.hm-hero-search input::placeholder{color:var(--muted)}
.hm-btn-search{
  padding:12px 34px;border-radius:var(--radius-pill);border:none;cursor:pointer;
  background:var(--grad-blue);color:#fff;font-size:15px;font-weight:600;transition:opacity .2s;
}
.hm-btn-search:hover{opacity:.9}
.hm-hero-trust{font-size:13px;color:var(--muted)}

.hm-hero-visual{position:relative;width:560px;height:340px;flex-shrink:0}
.hm-halo{position:absolute;border-radius:50%;pointer-events:none}
.hm-halo-blue{width:380px;height:380px;left:-60px;top:10px;background:rgba(46,123,255,.10)}
.hm-halo-cyan{width:320px;height:320px;left:300px;top:120px;background:rgba(0,194,255,.10)}
.hm-fcard{
  position:absolute;display:flex;align-items:center;gap:16px;padding:22px 24px;border-radius:16px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);cursor:pointer;transition:transform .2s,box-shadow .2s;
}
.hm-fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.hm-fcard-1{left:40px;top:8px;width:480px}
.hm-fcard-2{left:40px;top:166px;width:480px}
.hm-fcard-ico{width:56px;height:56px;border-radius:16px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.hm-fcard-ico.hm-blue{background:var(--grad-blue)}
.hm-fcard-ico.hm-orange{background:var(--grad-orange)}
.hm-fcard-ico svg{width:30px;height:30px;display:block}
.hm-fcard-body{min-width:0}
.hm-fcard-body h3{font-size:18px;font-weight:700;color:var(--ink)}
.hm-fcard-body p{font-size:13px;color:var(--body);margin-top:4px}
.hm-fcard-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.hm-ftag{font-size:11px;padding:3px 10px;border-radius:10px;background:#EAF3FF;color:var(--blue);white-space:nowrap}
.hm-ftag.hm-orange{background:#FFF1E6;color:var(--orange)}
.hm-fcard-go{
  margin-left:auto;width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:#EAF3FF;color:var(--blue);font-size:22px;font-weight:600;display:flex;align-items:center;justify-content:center;
}
.hm-float-pill{
  position:absolute;left:362px;top:-10px;z-index:2;padding:6px 14px;border-radius:14px;
  background:var(--grad-orange);color:#fff;font-size:12px;font-weight:500;box-shadow:0 8px 18px rgba(255,138,61,.35);white-space:nowrap;
}

/* 运动项目带 */
.hm-sports-strip{display:flex;align-items:center;justify-content:space-between;padding:26px 48px;background:var(--bg-soft)}
.hm-sport{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:default;transition:transform .2s}
.hm-sport:hover{transform:translateY(-3px)}
.hm-sport svg{width:28px;height:28px;display:block}
.hm-sport span{font-size:14px;color:var(--body)}

/* 产品功能区 */
.hm-products{padding:80px 48px;display:flex;flex-direction:column;gap:44px;background:var(--card-bg)}
.hm-sec-title{font-size:32px;font-weight:800;color:var(--ink);text-align:center;letter-spacing:-.5px}
.hm-sec-desc{font-size:15px;color:var(--body);text-align:center}
.hm-cards{display:flex;gap:24px}
.hm-card{
  flex:1;display:flex;flex-direction:column;gap:16px;padding:28px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;
}
.hm-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.hm-card-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.hm-card-ico.hm-blue{background:var(--grad-blue)}
.hm-card-ico.hm-orange{background:var(--grad-orange)}
.hm-card-ico.hm-cyan{background:var(--grad-cyan)}
.hm-card-ico svg{width:28px;height:28px;display:block}
.hm-card h3{font-size:18px;font-weight:700;color:var(--ink)}
.hm-card>p{font-size:13px;color:var(--body);min-height:38px}
.hm-feat{display:flex;align-items:center;gap:8px;font-size:13px;color:#3E5A7E}
.hm-feat svg{width:16px;height:16px;flex-shrink:0}
.hm-card-btn{
  margin-top:auto;display:flex;align-items:center;justify-content:center;width:100%;padding:13px 0;
  border-radius:12px;border:none;cursor:pointer;font-size:15px;font-weight:600;transition:opacity .2s,transform .2s;
}
.hm-card-btn:hover{opacity:.92;transform:translateY(-1px)}
.hm-card-btn.hm-primary{background:var(--grad-blue);color:#fff}
.hm-card-btn.hm-ghost{background:#F0F7FF;color:var(--blue)}

/* 数据统计 */
.hm-stats{display:flex;align-items:center;justify-content:space-between;padding:64px 48px;background:var(--card-bg)}
.hm-stat{display:flex;flex-direction:column;align-items:center;gap:8px}
.hm-stat b{font-size:36px;font-weight:800;line-height:1}
.hm-stat span{font-size:14px;color:var(--body)}
.hm-stat.hm-b-blue b{color:var(--blue)}
.hm-stat.hm-b-cyan b{color:var(--cyan)}
.hm-stat.hm-b-orange b{color:var(--orange);font-family:'Inter','PingFang SC',sans-serif}
.hm-stat.hm-b-green b{color:var(--green)}

/* 校园场景 */
.hm-scenes{position:relative;display:flex;flex-direction:column;gap:36px;padding:72px 48px 80px;background:var(--bg-blue);overflow:hidden}
.hm-scene-arc{position:absolute;right:-120px;top:-60px;width:620px;height:420px;pointer-events:none}
.hm-scene-cards{display:flex;gap:24px;position:relative;flex-wrap:wrap}
.hm-scene-card{
  flex:1;min-width:220px;display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:16px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft);cursor:pointer;transition:transform .2s,box-shadow .2s;
}
.hm-scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.hm-scene-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center}
.hm-scene-ico.hm-blue{background:#EAF3FF}
.hm-scene-ico.hm-orange{background:#FFF1E6}
.hm-scene-ico.hm-green{background:#E6F7EE}
.hm-scene-ico svg{width:24px;height:24px;display:block}
.hm-scene-card h4{font-size:16px;font-weight:700;color:var(--ink)}
.hm-scene-card p{font-size:13px;line-height:22px;color:var(--body)}

/* 页脚 */
.hm-footer{background:var(--bg-soft)}
.hm-footer-divider{height:1px;background:var(--line)}
.hm-footer-bottom{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px 48px 28px;text-align:center}
.hm-footer-copy{font-size:12.5px;color:var(--muted);line-height:1.6}
.hm-footer-police{font-size:12.5px}
.hm-footer-police .beian-item{display:inline-flex;align-items:center;gap:7px;color:var(--muted);text-decoration:none;transition:color .2s}
.hm-footer-police .beian-item:hover{color:var(--blue)}
.hm-footer-police .beian-badge{width:18px;height:18px;flex-shrink:0;vertical-align:middle}

/* ============================================================
   通用视图头 (lessons / aitest / 等)
   ============================================================ */
.view-header{display:flex;align-items:center;justify-content:space-between;padding:28px 48px 16px;gap:16px;flex-wrap:wrap}
.view-header h2{font-size:24px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}
.view-header h2 i{color:var(--blue)}
.back-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);color:var(--body);font-size:14px;font-weight:500;transition:all .2s}
.back-btn:hover{color:var(--blue);border-color:var(--line-blue);background:#F0F7FF}

/* ============================================================
   教案库 / AI 定制 (view-lessons)
   ============================================================ */
.lesson-head{display:flex;align-items:center;justify-content:space-between;padding:28px 48px 8px;gap:20px;flex-wrap:wrap}
.lh-title{font-size:24px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}
.lh-title i{color:var(--blue)}
.lesson-switch{display:inline-flex;background:var(--bg);border-radius:var(--radius-pill);padding:5px;gap:4px;border:1px solid var(--line)}
.lesson-switch button{border:none;background:transparent;padding:10px 22px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--body);cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
@keyframes flash-tab{0%,100%{transform:scale(1);box-shadow:0 0 0 3px rgba(255,138,61,.15),0 8px 20px rgba(46,123,255,.3)}50%{transform:scale(1.08);box-shadow:0 0 0 6px rgba(255,138,61,.25),0 14px 34px rgba(46,123,255,.55),0 0 22px rgba(124,58,237,.4)}}
/* AI tab 默认选中态：点完后“淡下来”——白底 + 普通阴影，无跳动 */
.lesson-switch .tab-ai.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-soft)}
/* AI tab 初始 idle 态：蓝紫渐变 + 强跳动 + 外发光呼吸，吸引点击 */
.lesson-switch .tab-ai.flash{background:linear-gradient(135deg,#2E7BFF 0%,#7C3AED 100%);color:#fff;font-size:15px;padding:12px 26px;box-shadow:0 0 0 3px rgba(255,138,61,.15),0 10px 28px rgba(46,123,255,.35),inset 0 1px 0 rgba(255,255,255,.4);animation:flash-tab 1.8s ease-in-out infinite}
.lesson-switch .ls-lib.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-soft)}
.badge-pro{font-size:10px;font-weight:800;padding:2px 8px;border-radius:8px;background:var(--orange);color:#fff;margin-left:4px;box-shadow:0 2px 6px rgba(255,138,61,.45)}

/* 资源库筛选条 */
/* 体育教案 搜索/筛选区 */
.filter-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:linear-gradient(135deg,#F4F9FF,#EAF3FF);border:1px solid var(--line-blue);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow-soft);margin-bottom:24px}
.search-box{flex:1;min-width:200px;display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:30px;padding:0 16px;transition:all .2s}
.search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12)}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{flex:1;padding:11px 4px;background:transparent;border:none;outline:none;width:100%;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.filter-group{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filter-group select{padding:11px 34px 11px 14px;background:#fff;border:1.5px solid var(--line);border-radius:30px;font-size:13px;color:var(--body);appearance:none;cursor:pointer;transition:all .2s;background-image:url('data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2212%22 height=%2212%22 viewBox=%220 0 12 12%22%3E%3Cpath fill=%22%236B7280%22 d=%22M6 8L1 3h10z%22/%3E%3C/svg%3E');background-repeat:no-repeat;background-position:right 13px center;min-width:96px}
.filter-group select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12);outline:none}
.filter-group select:hover{border-color:var(--line-blue)}
.clear-btn{display:inline-flex;align-items:center;gap:6px;padding:11px 18px;border-radius:30px;font-size:13px;font-weight:600;color:var(--blue);background:#fff;border:1.5px solid var(--line-blue);cursor:pointer;font-family:inherit;transition:all .2s}
.clear-btn:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.hint{font-size:12px;color:var(--muted);line-height:1.6}

/* 教案列表网格 */
.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding:4px 48px 20px;align-items:start}
.lesson-card{
  position:relative;background:#fff;border-radius:var(--radius-sm);padding:20px 22px 22px;
  box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border);
}
.lesson-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.lesson-card .tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 12px;border-radius:20px;text-transform:uppercase;letter-spacing:.3px;margin-bottom:10px}
.lesson-card .tag.free{background:var(--free-bg);color:#0E7C3A}
.lesson-card .tag.vip{background:var(--vip-bg);color:#B45309}
.lesson-card .tag.hot{background:#FEE2E2;color:#B91C1C}
.lesson-card h4{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.4;color:var(--primary)}
.lesson-card .meta{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px;color:var(--text-secondary);margin-bottom:12px}
.lesson-card .meta span{display:flex;align-items:center;gap:4px}
.lesson-card .meta i{font-size:13px;color:var(--text-light)}
.lesson-card .points-bar{margin-bottom:12px}
.points-bar{font-size:13px;color:var(--orange);background:#FFF7ED;border:1px solid #FED7AA;border-radius:10px;padding:6px 12px;display:inline-flex;align-items:center;gap:6px;width:fit-content}
.lesson-card .actions{display:flex;align-items:center;justify-content:space-between;margin-top:4px;padding-top:12px;border-top:1px solid var(--border);gap:8px}
.lesson-card .actions .download-btn{padding:6px 18px;border-radius:30px;font-size:13px;font-weight:600;background:var(--primary);color:#fff;transition:var(--transition);border:none;cursor:pointer;font-family:inherit}
.lesson-card .actions .download-btn:hover{background:var(--primary-dark);transform:scale(1.02)}
.lesson-card .actions .download-btn.vip-lock{background:var(--vip-color)}
.lesson-card .actions .download-btn.vip-lock:hover{background:#D97706}
.lesson-card .actions .preview-btn{padding:6px 16px;border-radius:30px;font-size:13px;font-weight:600;background:var(--bg);color:var(--text-secondary);transition:var(--transition);border:2px solid var(--border);cursor:pointer;font-family:inherit}
.lesson-card .actions .preview-btn:hover{border-color:var(--primary);color:var(--primary)}
.lesson-card .owned-mark{color:var(--free-color);font-size:12px;font-weight:600;margin-left:6px}
.list-more{display:flex;justify-content:center;padding:24px 48px 40px}
.list-more button{padding:11px 30px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;color:var(--body);font-size:14px;font-weight:600;transition:all .2s;display:inline-flex;align-items:center;gap:8px}
.list-more button:hover{color:var(--blue);border-color:var(--line-blue);background:#F0F7FF}
.empty-state{text-align:center;padding:60px 20px;color:var(--muted);grid-column:1/-1}
.empty-state i{font-size:40px;color:var(--line-blue);display:block;margin-bottom:12px}
.empty-state h4{font-size:17px;color:var(--body);margin-bottom:6px}
.empty-state p{font-size:13px}

/* AI 定制引擎 */
.ai-generator{padding:8px 48px 48px;display:none}
/* 仅当 AI tab 激活时显示; 切到"教案库"tab 时整块隐藏, 不再堆在教案列表下方 */
.ai-generator.active{display:block}
.sub-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.sub-tabs button{border:1px solid var(--line);background:#fff;padding:10px 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--body);transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.sub-tabs button:hover{border-color:var(--line-blue);color:var(--blue)}
.sub-tabs button.active{background:var(--grad-blue);color:#fff;border-color:transparent;box-shadow:0 6px 14px rgba(30,107,255,.28)}
.gen-cols{display:grid;grid-template-columns:minmax(360px,440px) 1fr;gap:24px;align-items:start}
.gen-left{position:sticky;top:90px}
/* AI 生成参数面板: 6列网格, s2=1/3行(3个/行), s3=1/2行(2个/行), s4=2/3行, pf-wide=整行 */
.param-panel{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-soft);display:grid;grid-template-columns:repeat(6,1fr);gap:10px 14px;margin-bottom:16px;align-content:start}
.param-panel .param-group:first-child{grid-column:1/-1}
.param-group{display:flex;flex-direction:column;gap:4px;grid-column:span 3}
.param-group.pf-wide{grid-column:span 6}
.param-group.s2{grid-column:span 2}
.param-group.s3{grid-column:span 3}
.param-group.s4{grid-column:span 4}
.param-actions{grid-column:1/-1;display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:2px 0 4px}
.param-group label{font-size:13px;font-weight:600;color:var(--body);display:inline-flex;align-items:center;gap:6px}
.param-group label i{color:var(--blue)}
.param-group input,.param-group select,.param-group textarea{
  width:100%;padding:9px 14px;border-radius:30px;background:#fff;border:1.5px solid var(--line);
  font-size:14px;line-height:1.2;color:var(--ink);font-family:inherit;transition:border-color .2s,box-shadow .2s;
}
.param-group input:focus,.param-group select:focus,.param-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12);outline:none;background:#fff}
.param-group textarea{border-radius:16px;resize:vertical;min-height:60px}
.param-group .hint{font-size:12px;color:var(--muted);margin-top:1px}
/* 自定义下拉(省份, 自动向上/向下弹) */
.custom-select{position:relative;width:100%}
.cs-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;font-size:14px;color:var(--body);cursor:pointer;transition:border-color .2s,box-shadow .2s;text-align:left;font-family:inherit}
.cs-trigger:hover{border-color:var(--line-blue)}
.cs-trigger:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12)}
.cs-value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cs-arrow{color:var(--blue);font-size:12px;transition:transform .2s;flex:0 0 auto}
.custom-select.open .cs-arrow{transform:rotate(180deg)}
.custom-select.open .cs-trigger{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12)}
.cs-list{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:80;margin:0;padding:6px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px rgba(11,29,56,.18);max-height:260px;overflow-y:auto;display:none;flex-direction:column}
.custom-select.open .cs-list{display:flex}
.custom-select.open-up .cs-list{top:auto;bottom:calc(100% + 6px)}
.cs-option{padding:10px 12px;border-radius:9px;font-size:14px;color:var(--ink);cursor:pointer;transition:background .15s}
.cs-option:hover{background:var(--bg-soft)}
.cs-option.selected{background:var(--grad-blue-soft,#EAF1FF);color:var(--blue);font-weight:600}
.field-err{font-size:12.5px;color:#DC2626;background:#FEF2F2;border:1px solid #FECACA;border-radius:10px;padding:8px 12px}
.param-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:6px}
@keyframes btn-generate-pulse{0%,100%{transform:scale(1);box-shadow:0 8px 18px rgba(30,107,255,.28)}50%{transform:scale(1.04);box-shadow:0 14px 32px rgba(30,107,255,.45),0 0 0 6px rgba(30,107,255,.08)}}
.btn-generate{position:relative;flex:1;min-width:150px;padding:13px 24px;border-radius:999px;border:none;background:linear-gradient(135deg,#7C3AED 0%,#4F46E5 50%,#2563EB 100%);color:#fff;font-size:15px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;animation:btn-generate-pulse 2.2s ease-in-out infinite;overflow:visible}
.btn-generate:hover{transform:translateY(-1px);opacity:.95;animation-play-state:paused}
.btn-ai-badge{position:absolute;top:-7px;right:-7px;background:linear-gradient(135deg,#FFC107,#FF9800);color:#fff;font-size:10px;font-weight:800;padding:3px 7px;border-radius:99px;box-shadow:0 3px 8px rgba(255,152,0,.35);border:1.5px solid #fff;pointer-events:none}
.btn-reset{padding:13px 20px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--body);font-size:14px;font-weight:600;transition:all .2s;display:inline-flex;align-items:center;gap:8px}
.btn-reset:hover{color:var(--blue);border-color:var(--line-blue);background:#F0F7FF}

/* 生成状态 / 结果 */
.gen-right{display:flex;flex-direction:column;gap:14px;min-width:0}
.gen-status{display:none;align-items:center;gap:10px;background:#EAF3FF;border:1px solid var(--line-blue);border-radius:12px;padding:12px 16px;font-size:13.5px;color:var(--blue);font-weight:600;flex-wrap:wrap}
.gen-status.show{display:flex}
.bar-wrap{flex:1;min-width:120px;height:8px;background:#D7E6FF;border-radius:99px;overflow:hidden}
.bar-fill{height:100%;width:0;background:var(--grad-blue);border-radius:99px;transition:width .3s}
.result-preview{background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:420px;padding:8px;box-shadow:var(--shadow-soft)}
.result-preview .placeholder{height:100%;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted);text-align:center;padding:40px}
.result-preview .placeholder i{font-size:46px;color:var(--line-blue)}
.result-preview .placeholder h4{font-size:18px;color:var(--body)}
.result-preview .placeholder p{font-size:13px;max-width:320px}
.result-preview .content{padding:18px 22px}

/* AI 生成结果（md 渲染） */
.result-header{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:6px}
.meta-tags{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 18px}
.meta-tags span{font-size:12.5px;padding:5px 12px;border-radius:99px;background:var(--bg-blue);color:var(--blue);font-weight:600}
.gen-ch{margin:18px 0;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.gen-ch-t{font-size:15px;font-weight:700;color:var(--ink);padding:12px 18px;background:#fff;border-bottom:1px solid var(--line);border-left:4px solid var(--blue)}
.gen-table{width:100%;border-collapse:collapse;font-size:13.5px}
.gen-table th,.gen-table td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.gen-table th{background:var(--bg-soft);font-weight:600;color:var(--body);width:130px}
.gen-table tr.hl{background:var(--green-soft)}
.gen-table tr.hl th{color:var(--green)}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.result-actions .primary,.result-actions button.primary{padding:11px 22px;border-radius:12px;border:none;background:var(--grad-blue);color:#fff;font-size:14px;font-weight:600;transition:opacity .2s;display:inline-flex;align-items:center;gap:7px}
.result-actions .outline,.result-actions button.outline{padding:11px 22px;border-radius:12px;border:1px solid var(--line-blue);background:#F0F7FF;color:var(--blue);font-size:14px;font-weight:600;transition:all .2s;display:inline-flex;align-items:center;gap:7px}
.result-actions .outline:hover{background:var(--grad-blue);color:#fff;border-color:transparent}
.gs-row{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:10px;font-size:13.5px;margin-bottom:6px}
.gs-row.done{background:var(--green-soft);color:var(--green)}
.gs-row.done i{color:var(--green)}
.gs-row.doing{background:#FFF7ED;color:#B45309}
.gs-row.todo{background:var(--bg-soft);color:var(--muted)}

/* Markdown 渲染（详情/预览） */
.md-h1{font-size:22px;font-weight:800;color:var(--ink);margin:14px 0 8px}
.md-h2{font-size:18px;font-weight:700;color:var(--ink);margin:14px 0 8px}
.md-h4{font-size:15px;font-weight:700;color:var(--blue);margin:12px 0 6px}
.md-p{font-size:14px;color:var(--body);margin:8px 0;line-height:1.8}
.md-li{font-size:14px;color:var(--body);margin:5px 0;line-height:1.7}
.md-hr{border:none;border-top:1px solid var(--line);margin:14px 0}
.md-sp{height:8px}
.md-tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0}
.md-tbl{width:100%;border-collapse:collapse;font-size:13.5px;margin:0}
.md-tbl th,.md-tbl td{border:1px solid var(--line);padding:9px 12px;text-align:left;min-width:104px}
.md-tbl th{background:var(--bg-soft);font-weight:600;color:var(--body);white-space:nowrap}
.dv-report{background:var(--bg-soft);border-radius:12px;padding:14px 18px;margin-top:10px;border:1px solid var(--line)}

/* ============================================================
   个人中心 (view-personal)
   ============================================================ */
.login-guide{text-align:center;padding:70px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin:20px 48px;box-shadow:var(--shadow-soft)}
.login-guide i.big{font-size:48px;color:var(--line-blue);display:block;margin-bottom:14px}
.login-guide h3{font-size:20px;color:var(--ink);margin-bottom:8px}
.login-guide p{font-size:13px;color:var(--body);margin-bottom:14px}
.personal-layout{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:8px 0 48px;align-items:start}
.personal-sidebar{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow-soft);position:sticky;top:90px}
.personal-sidebar button{border:none;background:transparent;text-align:left;padding:12px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--body);cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:10px}
.personal-sidebar button i{width:18px;text-align:center}
.personal-sidebar button:hover{background:var(--bg-soft);color:var(--blue)}
.personal-sidebar button.active{background:var(--grad-blue);color:#fff;box-shadow:0 6px 14px rgba(30,107,255,.24)}
.personal-main{min-width:0}
.personal-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-soft);margin-bottom:16px}
.personal-card h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.personal-card h3 i{color:var(--blue)}
.tab-pane{animation:viewIn .3s ease}
.member-cards-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:8px}
.member-cards-row .personal-card{margin-bottom:0}
.badge-member{font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;white-space:nowrap}
.badge-free{background:var(--green-soft);color:var(--green)}
.badge-ai{background:#EEF0FF;color:var(--blue)}
.plan-mini{padding:8px 16px;border-radius:99px;border:1.5px solid var(--line);background:#fff;color:var(--body);font-size:13px;font-weight:600;transition:all .2s;cursor:pointer}
.plan-mini:hover{border-color:var(--line-blue);color:var(--blue)}
.plan-mini.on{background:var(--grad-blue);color:#fff;border-color:transparent;box-shadow:0 6px 14px rgba(30,107,255,.24)}
.plan-mini-hot{position:relative}
.plan-mini-hot::after{content:"推荐";position:absolute;top:-9px;right:-7px;z-index:2;background:#fff;color:var(--blue);font-size:10px;font-weight:700;line-height:1;padding:3px 7px;border-radius:99px;box-shadow:0 2px 6px rgba(30,107,255,.3);border:1px solid var(--line-blue);white-space:nowrap;pointer-events:none;}
.btn-upgrade{padding:12px 24px;border-radius:14px;border:none;background:var(--grad-blue);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:transform .2s,opacity .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 8px 18px rgba(30,107,255,.26)}
.btn-upgrade:hover{transform:translateY(-1px);opacity:.95}
.checkin-btn{border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:99px;transition:all .2s}
.checkin-btn:hover{background:#EAF3FF}
.logout-pill{border:none;background:transparent;color:var(--muted);font-size:13px;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.logout-pill:hover{color:#DC2626}
.redeem-pill-side{padding:6px 16px;background:#fff;color:#059669;border:1.5px solid #34d399;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:5px;margin-right:12px;flex-shrink:0;transition:all .2s}
.redeem-pill-side:hover{background:#ECFDF5}
.member-compare{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:6px}
.member-compare th,.member-compare td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:center}
.member-compare th:first-child,.member-compare td:first-child{text-align:left;color:var(--body)}
.member-compare thead th{background:var(--bg-soft);font-weight:700;color:var(--ink)}
.member-compare .col-ai{background:#EEF0FF;color:var(--blue)}
.member-compare td.no{color:#DC2626}
.record-item{display:flex;align-items:center;gap:12px;padding:14px 4px;border-bottom:1px solid var(--line)}
.record-item:last-child{border-bottom:none}
.record-item .desc{flex:1;min-width:0;font-size:14px;color:var(--ink)}
.record-item .desc i{color:var(--blue);margin-right:6px}
.record-item .time{font-size:12px;color:var(--muted);white-space:nowrap}

/* ============================================================
   AI 体测 (view-aitest)
   ============================================================ */
.fit-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-soft);margin:0 48px 24px}
.fit-tabs{display:inline-flex;background:var(--bg);border-radius:var(--radius-pill);padding:5px;gap:4px;margin-bottom:20px}
.fit-tabs button{border:none;background:transparent;padding:9px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--body);cursor:pointer;transition:all .2s}
.fit-tabs button.on{background:var(--grad-blue);color:#fff;box-shadow:0 6px 14px rgba(30,107,255,.24)}
.fit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:16px}
.fit-field{display:flex;flex-direction:column;gap:6px}
.fit-field label{font-size:13px;font-weight:600;color:var(--body)}
.fit-field select,.fit-field input{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:14px;color:var(--text);background:var(--bg-soft);transition:border-color .2s,box-shadow .2s}
.fit-field select:focus,.fit-field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12);outline:none;background:#fff}
/* BMI 行: 数值框 + 该项得分徽标并排(未填身高体重时显示"未测") */
.bmi-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.bmi-line input{flex:1 1 92px;min-width:0;width:auto}
.bmi-res{flex:0 0 auto}
.fit-sec-title{font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px;margin:6px 0 14px}
.fit-sec-title i{color:var(--blue)}

/* 体测评分标准提示条(与fit-card左右对齐, 不再溢出) */
.fit-hint{display:flex;gap:8px;align-items:flex-start;background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(79,70,229,.06));border:1px solid rgba(124,58,237,.18);border-radius:var(--radius-sm);padding:12px 18px;margin:0 48px 20px;font-size:13px;color:#5B21B6}
.fit-hint i{margin-top:3px;flex-shrink:0}
/* 单个计算: 测试项目卡片(一行三个) —— 取代原 .item-row 单行布局 */
.fit-items-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.fit-item-card{display:flex;flex-direction:column;gap:10px;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:14px 15px;transition:border-color .2s,box-shadow .2s,background .2s}
.fit-item-card:focus-within{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(30,107,255,.10)}
.ic-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.ic-name{font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ic-w{font-size:11.5px;font-weight:600;color:var(--blue);background:#EAF3FF;border-radius:99px;padding:2px 8px;white-space:nowrap}
.fit-item-card input{width:100%;padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s;text-align:center}
.fit-item-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12);outline:none}
.dual-input{display:flex;align-items:center;gap:6px}
.dual-sep{color:var(--muted);font-size:14px;font-weight:700;flex-shrink:0}
.ic-res{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13.5px;font-weight:700;min-height:22px}
.ic-res .ic-empty{font-size:12.5px;font-weight:400;color:var(--text-light)}
.ic-res .bonus{display:inline-block;font-size:11px;font-weight:700;color:#fff;background:var(--cyan-dark);border-radius:6px;padding:1px 6px}
.ic-res .lv{font-size:11px;font-weight:700;border-radius:99px;padding:2px 8px;background:#EEF2F7;color:#475569}
.ic-res .lv.lv-you{background:#DCFCE7;color:#15803D}
.ic-res .lv.lv-liang{background:#CCFBF1;color:#0F766E}
.ic-res .lv.lv-ji{background:#FEF3C7;color:#A16207}
.ic-res .lv.lv-bu{background:#FEE2E2;color:#B91C1C}
@media(max-width:860px){.fit-items-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.fit-items-grid{grid-template-columns:1fr}}
.total-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:8px}
.total-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.total-card .tv{font-size:34px;font-weight:800;line-height:1;color:var(--blue)}
.total-card .tl{font-size:12.5px;color:var(--body);margin-top:6px}
.total-card.tc-blue .tv{color:var(--blue)}
.total-card.tc-teal .tv{color:var(--cyan-dark)}
.total-card.tc-amber .tv{color:var(--orange)}
.fit-note{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.7}
.upzone{border:2px dashed var(--line-blue);border-radius:16px;padding:40px 20px;text-align:center;color:var(--body);cursor:pointer;transition:all .2s;background:var(--bg-soft)}
.upzone:hover{border-color:var(--blue);background:#EAF3FF;color:var(--blue)}
.upzone i{font-size:40px;color:var(--blue);display:block;margin-bottom:10px}
.paste-area{width:100%;min-height:120px;padding:14px;border:1.5px solid var(--line);border-radius:12px;font-size:13px;color:var(--text);background:var(--bg-soft);resize:vertical;margin-top:12px;font-family:inherit}
.paste-area:focus{border-color:var(--blue);outline:none;background:#fff}
.err-box{font-size:13px;color:#DC2626;background:#FEF2F2;border:1px solid #FECACA;border-radius:10px;padding:10px 14px;margin-top:10px}
.err-box:empty{display:none}
.fit-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.fb-primary{padding:11px 22px;border-radius:12px;border:none;background:var(--grad-blue);color:#fff;font-size:14px;font-weight:600;transition:opacity .2s;display:inline-flex;align-items:center;gap:7px}
.fb-primary:hover{opacity:.92}
.fb-accent{padding:11px 22px;border-radius:12px;border:none;background:var(--grad-orange);color:#fff;font-size:14px;font-weight:600;transition:opacity .2s;display:inline-flex;align-items:center;gap:7px}
.fb-accent:hover{opacity:.92}
.fb-plain{padding:11px 22px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--body);font-size:14px;font-weight:600;transition:all .2s;display:inline-flex;align-items:center;gap:7px}
.fb-plain:hover{color:var(--blue);border-color:var(--line-blue);background:#F0F7FF}
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
.kpi .kv{font-size:28px;font-weight:800;line-height:1}
.kpi .kl{font-size:12.5px;color:var(--body);margin-top:6px}
.kpi .ks{font-size:11.5px;color:var(--muted);margin-top:2px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.hbar-row{display:flex;align-items:center;gap:10px;margin:8px 0;font-size:13px}
.hbar-row .hn{width:130px;flex-shrink:0;color:var(--body);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.htrack{flex:1;height:22px;background:var(--bg-soft);border-radius:99px;overflow:hidden}
.hfill{height:100%;border-radius:99px;display:flex;align-items:center;justify-content:flex-end;padding-right:8px;color:#fff;font-size:11px;font-weight:600;min-width:30px}
.fit-tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.fit-tbl-wrap table{width:100%;border-collapse:collapse;font-size:13px}
.fit-tbl-wrap th,.fit-tbl-wrap td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
.fit-tbl-wrap th{background:var(--bg-soft);font-weight:700;color:var(--ink);position:sticky;top:0}

/* ============================================================
   弹窗 / Modal
   ============================================================ */
.modal-mask{position:fixed;inset:0;background:rgba(11,29,56,.45);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal-mask.show{display:flex;animation:viewIn .2s ease}
.modal{background:#fff;border-radius:20px;width:100%;max-width:520px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 30px 70px rgba(11,29,56,.3);overflow:hidden;animation:modalIn .25s cubic-bezier(.2,.8,.2,1)}
@keyframes modalIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line);flex-shrink:0}
.modal-head h3{font-size:18px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.modal-head h3 i{color:var(--blue)}
.modal-close{border:none;background:var(--bg-soft);width:34px;height:34px;border-radius:50%;color:var(--body);font-size:15px;display:flex;align-items:center;justify-content:center;transition:all .2s}
.modal-close:hover{background:#FEE2E2;color:#DC2626}
.modal-body{padding:24px;overflow-y:auto;min-height:0}

/* 登录 */
.login-tabs{display:flex;background:var(--bg);border-radius:var(--radius-pill);padding:5px;gap:4px;margin-bottom:18px}
.login-tabs button{flex:1;border:none;background:transparent;padding:10px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--body);cursor:pointer;transition:all .2s}
.login-tabs button.on{background:#fff;color:var(--ink);box-shadow:var(--shadow-soft)}
.login-err{display:none;background:#FEF2F2;border:1px solid #FECACA;color:#DC2626;font-size:13px;border-radius:10px;padding:10px 14px;margin-bottom:14px}
.login-inputs{display:flex;flex-direction:column;gap:12px}
.li-row{display:flex;align-items:center;gap:10px;background:var(--bg-soft);border:1.5px solid var(--line);border-radius:12px;padding:0 14px;transition:border-color .2s,box-shadow .2s}
.li-row:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.12)}
.li-row i{color:var(--muted);font-size:14px}
.li-row input{flex:1;border:none;outline:none;background:transparent;padding:12px 0;font-size:14px;color:var(--text)}
.li-row.code-row{flex-wrap:nowrap}
.get-code,.cap-ok{border:none;background:var(--grad-blue);color:#fff;font-size:12.5px;font-weight:600;padding:8px 14px;border-radius:10px;white-space:nowrap;flex-shrink:0;transition:opacity .2s}
.get-code:hover,.cap-ok:hover{opacity:.9}
.captcha-row{display:flex;align-items:center;gap:10px}
.captcha-row canvas{border-radius:8px;border:1px solid var(--line);cursor:pointer;flex-shrink:0}
.captcha-row input{flex:1;border:1.5px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px;outline:none}
.captcha-row input:focus{border-color:var(--blue)}
.login-links{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:14px;font-size:13px}
.login-links a{color:var(--blue);cursor:pointer;font-weight:600}
.login-links a:hover{text-decoration:underline}
.btn-block{width:100%;padding:14px;border-radius:12px;border:none;background:var(--grad-blue);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:opacity .2s,transform .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 8px 18px rgba(30,107,255,.26)}
.btn-block:hover{opacity:.95;transform:translateY(-1px)}
.btn-block:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* 支付 */
.plan-chips{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:8px 0}
.plan-chip{position:relative;border:1.5px solid var(--line);border-radius:14px;padding:14px 10px;text-align:center;cursor:pointer;transition:all .2s;background:#fff}
.plan-chip:hover{border-color:var(--line-blue)}
.plan-chip.on{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,107,255,.14);background:#F5F9FF}
.plan-chip .pc-tag{position:absolute;top:-9px;left:50%;transform:translateX(-50%);font-size:10px;font-weight:700;background:var(--grad-orange);color:#fff;padding:2px 9px;border-radius:99px;white-space:nowrap}
.plan-chip .pc-name{font-size:13px;font-weight:700;color:var(--ink)}
.plan-chip .pc-price{font-size:18px;font-weight:800;color:var(--blue);margin-top:4px}
.plan-chip .pc-price small{font-size:11px;font-weight:600;color:var(--muted)}
.plan-chip .pc-note{font-size:11px;color:var(--muted);margin-top:3px}
.pay-methods{display:flex;gap:12px;margin:14px 0}
.pm-btn{flex:1;padding:13px;border-radius:12px;border:1.5px solid var(--line);background:#fff;color:var(--body);font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}
.pm-btn i{font-size:18px}
.pm-btn:hover{border-color:var(--line-blue)}
.pm-wx.on{border-color:#07C160;color:#07C160;background:#F0FBF4}
.pm-ali.on{border-color:#1677FF;color:#1677FF;background:#F0F6FF}
/* 优惠码(网站端专用, 一次性) */
.disc-row{display:flex;align-items:center;gap:8px;margin:12px 0 6px;padding:9px 12px;border:1.5px dashed var(--line-blue);border-radius:12px;background:#F8FBFF}
.disc-row .disc-ico{color:var(--blue);font-size:14px;flex:0 0 auto}
.disc-row input{flex:1 1 auto;min-width:0;border:none;background:transparent;outline:none;font-size:13.5px;color:var(--ink);letter-spacing:.5px;text-transform:uppercase}
.disc-row input::placeholder{color:var(--muted);text-transform:none;letter-spacing:0}
.disc-btn{flex:0 0 auto;padding:6px 16px;border-radius:9px;border:none;background:var(--grad-blue);color:#fff;font-size:13px;font-weight:700;transition:opacity .2s}
.disc-btn:hover{opacity:.9}
.disc-clear{flex:0 0 auto;padding:6px 12px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:12.5px}
.disc-clear:hover{border-color:var(--red);color:var(--red)}
.disc-info{font-size:12.5px;border-radius:10px;padding:8px 12px;margin:6px 0 2px;display:flex;align-items:center;gap:6px;line-height:1.6}
.disc-info.ok{color:#166534;background:#F0FDF4;border:1.5px solid #BBF7D0}
.disc-info.warn{color:#B45309;background:#FFFBEB;border:1.5px solid #FDE68A}
.qr-wrap{text-align:center;margin-top:8px}
.qr-box{width:180px;height:180px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:14px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.qr-mask{position:absolute;inset:0;background:rgba(22,163,52,.92);color:#fff;display:none;flex-direction:column;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px}
.qr-mask.show{display:flex}
.qr-count{font-size:13px;color:var(--body);margin-top:10px}
.pay-tip{font-size:12.5px;color:var(--muted);background:var(--bg-soft);border-radius:10px;padding:10px 14px;margin-top:12px;display:flex;align-items:center;gap:8px;line-height:1.6}
.btn-pay-done{width:100%;margin-top:14px;padding:13px;border-radius:12px;border:1.5px solid var(--line-blue);background:#F0F7FF;color:var(--blue);font-size:14px;font-weight:700;transition:all .2s}
.btn-pay-done:hover{background:var(--grad-blue);color:#fff;border-color:transparent}

/* 帮助 / 协议 */
.help-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden;background:#fff}
.help-item summary{list-style:none;cursor:pointer;padding:14px 18px;font-size:15px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between}
.help-item summary::-webkit-details-marker{display:none}
.help-item .hi-arrow{color:var(--muted);transition:transform .2s}
.help-item[open] .hi-arrow{transform:rotate(180deg)}
.hi-body{padding:4px 18px 16px;font-size:13.5px;color:var(--body);line-height:1.9}
.hi-body b{color:var(--ink)}

/* 预览 modal 内嵌 */
.pv-frame-wrap{position:relative;width:100%;height:calc(90vh - 250px);min-height:420px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg-soft)}
#previewModal .modal{max-height:90vh;display:flex;flex-direction:column}
#previewModal .modal-body{display:flex;flex-direction:column;overflow:hidden;max-height:calc(90vh - 64px);padding-bottom:18px}
#pvBody{flex:1 1 auto;min-height:0;overflow:auto;-webkit-overflow-scrolling:touch}
@media(max-width:680px){.modal.wide{max-width:96vw}#previewModal .modal-body{max-height:calc(94vh - 56px)}.pv-frame-wrap{height:68vh;min-height:300px}}
.pv-slide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;padding:14px}
.pv-slide{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s}
.pv-slide:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.pv-slide .st{font-size:12px;padding:8px 10px;color:var(--body);border-top:1px solid var(--line)}
.pv-line{height:9px;background:var(--line);border-radius:99px;margin:8px 10px}
.pv-line.w40{width:40%}.pv-line.w60{width:60%}.pv-line.w80{width:80%}.pv-line.w90{width:90%}
.pv-doc{padding:18px}
.pv-title{font-size:17px;font-weight:700;color:var(--ink)}
.pv-sub{font-size:12.5px;color:var(--muted);margin:4px 0 12px}

/* 教案预览弹框（用浅蓝设计体系重写，视觉对齐线上调好的版本） */
.modal.wide{max-width:920px}
.pv-info{display:flex;gap:14px;align-items:center;background:var(--bg-blue);border:1px solid var(--line-blue);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:14px;flex-wrap:wrap}
.pv-info .pv-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:21px;color:#fff;flex-shrink:0}
.pv-info .pv-t{font-weight:700;color:var(--primary);font-size:15px}
.pv-info .pv-m{font-size:12px;color:var(--text-secondary)}
.pv-tag{text-align:center;font-size:11.5px;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-pill);padding:5px 14px;margin-top:12px}
.pv-actions{display:flex;gap:10px;margin-top:16px}
.pv-actions button{flex:1;padding:11px;border-radius:14px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;border:none;transition:var(--transition)}
.pv-btn-main{background:var(--grad-blue);color:#fff;box-shadow:0 8px 18px rgba(30,107,255,.28)}
.pv-btn-main:hover{background:var(--blue-dark);transform:translateY(-1px)}
.pv-btn-sub{background:var(--bg-soft);color:var(--text-secondary);border:1px solid var(--line)}
.pv-btn-sub:hover{background:var(--line)}

/* 确认弹框（退出等，用浅蓝设计体系重写） */
.confirm-box{text-align:center;padding:6px 4px}
.confirm-box .cb-icon{font-size:44px;color:var(--accent);margin-bottom:10px}
.confirm-box p{color:var(--text-secondary);font-size:14px;margin-bottom:18px;line-height:1.6}
.confirm-box p b{color:var(--primary)}
.confirm-btns{display:flex;gap:10px}
.confirm-btns button{flex:1;padding:11px;border-radius:14px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;border:none;transition:var(--transition)}
.cb-yes{background:var(--grad-blue);color:#fff;box-shadow:0 8px 18px rgba(30,107,255,.28)}
.cb-yes:hover{background:var(--blue-dark);transform:translateY(-1px)}
.cb-no{background:var(--bg-soft);color:var(--text-secondary);border:1px solid var(--line)}
.cb-no:hover{background:var(--line)}

/* 反馈问题弹窗: 问题类型胶囊(用浅蓝设计体系重写, 不复制原站) */
.fb-chips{display:flex;flex-wrap:wrap;gap:8px}
.fb-chip{font-size:13px;font-weight:600;padding:6px 15px;border-radius:var(--radius-pill);background:var(--bg-soft);border:1.5px solid var(--line);color:var(--body);cursor:pointer;transition:var(--transition);font-family:inherit}
.fb-chip:hover{border-color:var(--blue);color:var(--blue)}
.fb-chip.active{background:var(--grad-blue);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(30,107,255,.25)}

/* ============================================================
   Toast / 进度条
   ============================================================ */
.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) translateY(-12px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;box-shadow:0 12px 30px rgba(11,29,56,.3);opacity:0;pointer-events:none;transition:all .3s;z-index:300;display:flex;align-items:center;gap:8px}
.toast.show{opacity:1;transform:translate(-50%,-50%)}
.toast i{color:#7CFFB0}
.dl-progress{position:fixed;bottom:24px;right:24px;width:320px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-hover);z-index:300;display:none}
.dl-progress.show{display:block;animation:viewIn .3s ease}
.dp-title{font-size:14px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:10px}
.dp-title i{color:var(--blue)}
.dp-bar{height:8px;background:var(--bg-soft);border-radius:99px;overflow:hidden}
.dp-fill{height:100%;width:0;background:var(--grad-blue);border-radius:99px;transition:width .3s}
.dp-num{font-size:12px;color:var(--muted);margin-top:8px}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .gen-cols{grid-template-columns:1fr}
  .gen-left{position:static}
  .personal-layout{grid-template-columns:1fr}
  .personal-sidebar{position:static;flex-direction:row;overflow-x:auto}
  .two-col{grid-template-columns:1fr}
  .param-panel{grid-template-columns:1fr}
  .param-group,.param-group.pf-wide,.param-group.s2,.param-group.s3,.param-group.s4{grid-column:1/-1}
}
@media (max-width:700px){
  .param-panel{grid-template-columns:1fr}
  .param-group,.param-group.pf-wide,.param-group.s2,.param-group.s3,.param-group.s4{grid-column:1/-1}
}
@media (max-width:480px){
  .param-panel{grid-template-columns:1fr}
  .param-group,.param-group.pf-wide,.param-group.s2,.param-group.s3,.param-group.s4{grid-column:1/-1}
}
@media (max-width:860px){
  .hm-topbar,.hm-hero,.hm-sports-strip,.hm-products,.hm-stats,.hm-scenes,.hm-footer-bottom,.view-header,.lesson-head,.ai-generator,.lesson-grid,.list-more,.fit-card,.personal-layout,.login-guide{padding-left:20px;padding-right:20px}
  .hm-hero{flex-direction:column;padding-top:40px;padding-bottom:48px}
  .hm-hero h1{font-size:36px;line-height:46px}
  .hm-hero-visual{width:100%;max-width:560px;height:auto}
  .hm-fcard{position:static;width:100%!important;margin-bottom:14px}
  .hm-fcard-1,.hm-fcard-2{position:static}
  .hm-float-pill{display:none}
  .hm-halo{display:none}
  .hm-cards{flex-wrap:wrap}
  .hm-card{min-width:100%}
  .hm-stats{flex-wrap:wrap;gap:28px;justify-content:center}
  .hm-scene-cards{flex-wrap:wrap}
  .member-cards-row{grid-template-columns:1fr}
  .plan-chips{grid-template-columns:repeat(2,1fr)}
  .hm-brand-tag{display:none}
  .hm-nav{gap:16px}
  .hm-nav a{font-size:13px}
  .lesson-switch{width:100%}
  .lesson-switch button{flex:1;justify-content:center}
}
@media (max-width:560px){
  .hm-topbar{flex-wrap:wrap;gap:10px;padding:12px 16px}
  .hm-btn-login{padding:8px 18px;font-size:13px}
  .fit-tabs{display:flex;width:100%}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .modal{padding:0}
  .modal-body{padding:18px}
  .fit-card{margin:0 0 24px}
}

/* ============================================================
   右侧悬浮: 微信扫码进小程序 (mp-float)
   修复: 重写时曾漏掉定位，导致失去 position:fixed 落到页面底部
   ============================================================ */
.mp-float{
  position:fixed;
  right:16px;
  top:42%;
  z-index:9000;
}
.mp-trigger{
  width:52px;height:52px;border-radius:50%;
  background:var(--grad-blue);
  color:#fff;font-size:26px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  box-shadow:0 8px 22px rgba(30,107,255,.35),0 2px 8px rgba(30,107,255,.22);
  border:2px solid rgba(255,255,255,.85);
  animation:mpFloat 2.6s ease-in-out infinite;
  transition:transform .2s ease,box-shadow .2s ease;
}
.mp-trigger:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(30,107,255,.42),0 4px 12px rgba(30,107,255,.28);
}
@keyframes mpFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.mp-pop{
  position:absolute;
  right:66px;top:-14px;
  width:210px;
  background:#fff;
  border-radius:16px;
  padding:16px 14px 14px;
  box-shadow:0 12px 36px rgba(11,29,56,.16),0 3px 10px rgba(11,29,56,.08);
  text-align:center;
  opacity:0;visibility:hidden;
  transform:translateX(10px);
  transition:all .28s ease;
  border:1px solid var(--border,#E4EDFA);
}
.mp-pop::after{
  content:"";
  position:absolute;right:-7px;top:34px;
  width:12px;height:12px;
  background:#fff;
  border-right:1px solid var(--border,#E4EDFA);
  border-top:1px solid var(--border,#E4EDFA);
  transform:rotate(45deg);
}
.mp-float:hover .mp-pop,
.mp-trigger:hover + .mp-pop,
.mp-pop:hover{
  opacity:1;visibility:visible;transform:translateX(0);
}
.mp-pop img{
  width:176px;height:176px;border-radius:8px;
  display:block;margin:0 auto;
  border:1px solid #EEF2F7;
}
.mp-pop .mp-t1{font-size:14px;font-weight:700;color:var(--ink,#0B2545);margin:10px 0 2px}
.mp-pop .mp-t2{font-size:12px;color:var(--text-light,#8AA5C4);line-height:1.5}
@media (max-width:900px){.mp-float{display:none}}

/* ⑧下拉框跨浏览器外观统一: 去掉各浏览器默认样式, 统一箭头/圆角/边框 */
select{appearance:none;-webkit-appearance:none;-moz-appearance:none;
  background-color:#fff;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%236B7280' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 10px center;background-size:12px 8px;
  border:1.5px solid var(--line);border-radius:10px;color:var(--text);font-size:13px;font-family:inherit;
  padding:8px 32px 8px 12px;line-height:1.4;cursor:pointer;transition:border-color .2s}
select:hover{border-color:var(--blue)}
select:focus{border-color:var(--blue);outline:none}
select::-ms-expand{display:none}