/* =========================================================
   放飞未来 · 产品目录  编辑画册风格
   ========================================================= */
:root{
  --ink:#16202B;
  --ink-2:#2E3A46;
  --muted:#77828E;
  --paper:#FAF8F4;
  --paper-2:#FFFFFF;
  --line:#E4DED3;
  --line-strong:#CFC7B9;
  --brand:#0868B8;
  --brand-deep:#054B85;
  --brand-tint:#EAF3FB;
  --leaf:#78B028;
  --leaf-deep:#4E7A16;
  /* 主题派生色：默认「藏蓝」配色，可被下方 [data-theme] 覆盖 */
  --brand-line:#CFE3F5;
  --brand-tint-2:#EFF6FD;
  --leaf-tint:#F2F8E8;
  --leaf-line:#D5E7BC;
  --leaf-a22:rgba(120,176,40,.22);
  --hero-ghost:rgba(8,104,184,.045);
  --warn:#B8791B;
  --warn-tint:#FDF4E4;
  --warn-line:#EBD3A6;
  --danger:#D9564B;
  --neutral-1:#FAFBFC;
  --neutral-2:#EFF1F4;
  --tag-bg:#FCFBF8;
  --paper-a86:rgba(250,248,244,.86);
  --paper-a90:rgba(250,248,244,.9);
  --paper-a96:rgba(250,248,244,.96);
  --paper-a0:rgba(250,248,244,0);
  --shadow-s:0 1px 2px rgba(22,32,43,.05);
  --shadow-m:0 10px 30px -14px rgba(22,32,43,.22);
  --shadow-l:0 30px 70px -30px rgba(22,32,43,.35);
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC","STSong",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --maxw:1260px;
  --r:14px;
}

/* =========================================================
   配色主题（默认「藏蓝」，另配「青碧」蓝绿 / 「暖橘」红橙）
   用法：<html data-theme="teal"> / <html data-theme="orange">
   ========================================================= */
/* —— 青碧 · 蓝绿色系 —— */
html[data-theme="teal"]{
  --ink:#122A29;
  --ink-2:#2C4240;
  --muted:#6C8180;
  --paper:#F4F9F8;
  --line:#DCE7E4;
  --line-strong:#C2D3CF;
  --brand:#0E7C7B;
  --brand-deep:#0A5D5C;
  --brand-tint:#E3F2F1;
  --brand-line:#BFDDDA;
  --brand-tint-2:#EDF7F6;
  --leaf:#2FA36B;
  --leaf-deep:#1D7A4C;
  --leaf-tint:#E8F5EE;
  --leaf-line:#C3E3D3;
  --leaf-a22:rgba(47,163,107,.20);
  --hero-ghost:rgba(14,124,123,.05);
  --warn:#8E6B14;
  --warn-tint:#FAF4E1;
  --warn-line:#E8D9A8;
  --danger:#D2564C;
  --neutral-1:#F6FAF9;
  --neutral-2:#EAF1F0;
  --tag-bg:#F7FBFA;
  --paper-a86:rgba(244,249,248,.86);
  --paper-a90:rgba(244,249,248,.9);
  --paper-a96:rgba(244,249,248,.96);
  --paper-a0:rgba(244,249,248,0);
}

/* —— 暖橘 · 红橙色系 —— */
html[data-theme="orange"]{
  --ink:#2B1E18;
  --ink-2:#45332A;
  --muted:#8A7566;
  --paper:#FDF8F3;
  --line:#EEE0D5;
  --line-strong:#DCC7B6;
  --brand:#C4451C;
  --brand-deep:#96330F;
  --brand-tint:#FBEDE7;
  --brand-line:#EFD1C3;
  --brand-tint-2:#FDF6F2;
  --leaf:#C98A0B;
  --leaf-deep:#8E6106;
  --leaf-tint:#FBF3E3;
  --leaf-line:#EFDCB8;
  --leaf-a22:rgba(201,138,11,.20);
  --hero-ghost:rgba(196,69,28,.05);
  --warn:#A9701A;
  --warn-tint:#FBF0DF;
  --warn-line:#EAD6B0;
  --danger:#C0392B;
  --neutral-1:#FBF8F5;
  --neutral-2:#F0E9E2;
  --tag-bg:#FDFAF6;
  --paper-a86:rgba(253,248,243,.86);
  --paper-a90:rgba(253,248,243,.9);
  --paper-a96:rgba(253,248,243,.96);
  --paper-a0:rgba(253,248,243,0);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* 纸面纹理 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:.01em;margin:0}
p{margin:0}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1}

/* ---------------- 顶栏 ---------------- */
.topbar{position:sticky;top:0;z-index:60;background:var(--paper-a86);backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;gap:26px;height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{height:34px;width:auto}
.brand__txt{font-family:var(--serif);font-size:16px;letter-spacing:.18em;color:var(--ink-2);padding-left:12px;border-left:1px solid var(--line-strong)}
.topbar__nav{display:flex;gap:22px;margin-left:8px}
.linkbtn{font-size:14px;color:var(--muted);position:relative;padding:4px 0;transition:color .2s}
.linkbtn::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--brand);transition:right .3s cubic-bezier(.4,0,.2,1)}
.linkbtn:hover{color:var(--brand)}
.linkbtn:hover::after{right:0}
.lb-mini{display:none}   /* 窄屏用的短标签，宽屏隐藏 */
.topbar__tools{margin-left:auto;display:flex;align-items:center;gap:12px;min-width:0}
.search{
  width:260px;min-width:110px;flex:0 1 auto;padding:10px 14px;border:1px solid var(--line-strong);border-radius:999px;
  background:var(--paper-2);font-size:14px;font-family:var(--sans);color:var(--ink);
  transition:border-color .2s,box-shadow .2s,width .25s;
}
.search::placeholder{color:var(--muted);opacity:.8}
.search:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint);width:300px}
.orderbtn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--brand);background:var(--brand);color:#fff;font-size:13.5px;
  letter-spacing:.04em;transition:.25s;white-space:nowrap;box-shadow:0 6px 16px -10px var(--brand);
}
.orderbtn:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.orderbtn__n{
  font-family:var(--mono);font-size:11.5px;min-width:20px;height:20px;padding:0 5px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.22);border-radius:999px;
}
.orderbtn.is-on .orderbtn__n{background:#fff;color:var(--brand)}

/* ---------------- Hero ---------------- */
.hero{padding:86px 0 66px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::after{
  content:"放飞未来";position:absolute;right:-2vw;top:36px;font-family:var(--serif);
  font-size:190px;line-height:1;color:var(--hero-ghost);letter-spacing:.04em;pointer-events:none;white-space:nowrap;
}
.hero__inner{max-width:var(--maxw)}
.kicker{font-size:13px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
.kicker span{font-family:var(--mono);color:var(--brand);margin-right:10px}
.hero h1{font-size:clamp(40px,6.2vw,76px);line-height:1.1;margin:22px 0 26px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.32em;background:var(--leaf-a22);z-index:-1}
.lede{font-size:16.5px;color:var(--ink-2);max-width:640px;line-height:1.9}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin:52px 0 0;background:var(--line);border:1px solid var(--line)}
.stats > div{background:var(--paper);padding:22px 20px}
.stats dt{font-size:12.5px;color:var(--muted);letter-spacing:.12em}
.stats dd{margin:8px 0 0;font-family:var(--serif);font-size:34px;line-height:1;color:var(--ink)}
.stats dd small{font-family:var(--sans);font-size:14px;color:var(--muted);margin-left:4px}

/* ---------------- 章节标题 ---------------- */
.sechead{display:flex;align-items:baseline;gap:16px;margin:0 0 28px;padding-bottom:14px;border-bottom:1px solid var(--line-strong)}
.sechead span{font-size:26px}
.sechead i{font-style:normal;font-size:13px;color:var(--muted);letter-spacing:.08em}
.sechead span::before{content:"";display:inline-block;width:26px;height:2px;background:var(--brand);vertical-align:middle;margin-right:14px}
/* 锚点跳转时避免标题被吸顶顶栏遮挡 */
#lines,#training{scroll-margin-top:88px}
#catalog{scroll-margin-top:132px}

/* ---------------- 产品线 ---------------- */
.lines{padding:72px 0 8px}
.lines__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.linecard{
  position:relative;text-align:left;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r);padding:22px 20px 20px;overflow:hidden;transition:.3s cubic-bezier(.4,0,.2,1);
}
.linecard:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-m)}
.linecard.is-active{border-color:var(--brand);background:var(--brand-tint)}
.linecard__idx{font-family:var(--mono);font-size:11.5px;color:var(--brand);letter-spacing:.16em}
.linecard__name{font-family:var(--serif);font-size:19px;margin:12px 0 6px}
.linecard__sub{font-size:12.5px;color:var(--muted);min-height:38px}
.linecard__count{font-family:var(--mono);font-size:12px;color:var(--ink-2);border-top:1px dashed var(--line-strong);padding-top:12px;display:flex;justify-content:space-between}
.linecard__ghost{position:absolute;right:-6px;bottom:-26px;font-family:var(--serif);font-size:82px;color:rgba(22,32,43,.05);line-height:1;pointer-events:none}

/* ---------------- 培训内容 ---------------- */
.training{padding:72px 0 8px}
.training__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tcard{
  position:relative;display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:20px;
  transition:.3s cubic-bezier(.4,0,.2,1);
}
.tcard:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-m)}
.tcard__top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tcard__idx{font-family:var(--mono);font-size:11.5px;color:var(--brand);letter-spacing:.16em}
.tcard__mode{font-size:11.5px;line-height:1.6;padding:2px 10px;border-radius:999px;white-space:nowrap}
.tcard__mode--offline{border:1px solid var(--line-strong);background:var(--paper);color:var(--muted)}
.tcard__mode--online{border:1px solid var(--brand-line);background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.tcard__mode--online::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--brand);margin-right:5px;vertical-align:1px;animation:livepulse 1.8s ease-in-out infinite;
}
@keyframes livepulse{0%,100%{opacity:1}50%{opacity:.2}}
.tcard__name{font-family:var(--serif);font-size:18.5px;line-height:1.4;margin:14px 0 8px}
.tcard__desc{font-size:12.5px;color:var(--muted);line-height:1.8;min-height:60px}
.tcard__meta{margin:16px 0 0;padding-top:12px;border-top:1px dashed var(--line-strong);display:grid;gap:6px}
.tcard__meta div{display:flex;justify-content:space-between;gap:12px;font-size:12px}
.tcard__meta dt{color:var(--muted)}
.tcard__meta dd{margin:0;color:var(--ink-2);text-align:right}
.tcard__meta dd.is-todo{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.tcard--link{color:inherit}
.tcard--link .tcard__name{transition:color .25s}
.tcard--link:hover .tcard__name{color:var(--brand)}
.tcard__more{
  margin-top:16px;display:inline-flex;align-items:center;gap:5px;
  font-size:12.5px;color:var(--brand);letter-spacing:.02em;transition:gap .25s;
}
.tcard--link:hover .tcard__more{gap:10px}

/* ---------------- 筛选 ---------------- */
.catalog{padding:64px 0 10px}
/* 只有「产品线」标签行吸顶；单行横向滚动，高度恒定约 50px，不遮挡产品 */
.filters{position:sticky;top:74px;z-index:40;background:var(--paper);padding:5px 0 4px;margin:0;border-bottom:1px solid var(--line)}
.filters::after{content:"";position:absolute;left:0;right:0;top:100%;height:14px;background:linear-gradient(180deg,var(--paper) 0%,var(--paper-a0) 100%);pointer-events:none}
.filters__row#lineTabs{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;gap:8px;padding-bottom:1px;scrollbar-width:thin;line-height:0}
.filters__row#lineTabs::-webkit-scrollbar{height:4px}
.filters__row#lineTabs::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:2px}
.filters__row#lineTabs::-webkit-scrollbar-track{background:transparent}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tab{
  border:1px solid var(--line-strong);background:var(--paper-2);border-radius:999px;flex:none;
  padding:5px 12px;font-size:13px;line-height:20px;color:var(--ink-2);transition:.22s;white-space:nowrap;
}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.tab b{font-family:var(--mono);font-size:11px;opacity:.6;margin-left:6px;font-weight:400}
.filters__row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.filters__row--sub{margin:14px 0 18px;gap:9px}
.selectwrap{display:flex;align-items:center;gap:9px;border:1px solid var(--line-strong);border-radius:999px;padding:5px 8px 5px 15px;background:var(--paper-2);font-size:12.5px;color:var(--muted)}
.selectwrap select{border:none;background:transparent;font:inherit;font-size:13.5px;color:var(--ink);padding:4px 4px;outline:none;cursor:pointer}
.tags{display:flex;flex-wrap:wrap;gap:7px;max-height:72px;overflow:hidden;transition:max-height .3s ease}
.tags.is-open{max-height:124px;overflow-y:auto;padding-right:6px}
.chip{
  border:1px dashed var(--line-strong);background:transparent;border-radius:999px;
  padding:5px 12px;font-size:12.5px;color:var(--ink-2);transition:.2s;
}
.chip:hover{border-color:var(--brand);color:var(--brand);border-style:solid}
.chip.is-active{background:var(--brand);border:1px solid var(--brand);color:#fff}
.ghostbtn{
  border:none;background:transparent;font-size:13px;color:var(--brand);padding:6px 4px;
  border-bottom:1px solid transparent;transition:.2s;
}
.ghostbtn:hover{border-bottom-color:var(--brand)}
.ghostbtn--line{border:1px solid var(--line-strong);border-radius:999px;padding:6px 15px;color:var(--ink-2)}
.ghostbtn--line:hover{border-color:var(--brand);color:var(--brand);border-bottom-color:var(--brand)}

/* ---------------- 产品网格 ---------------- */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.card{
  position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;cursor:pointer;text-align:left;
  transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s,border-color .3s;
  animation:rise .5s cubic-bezier(.2,.7,.3,1) both;animation-delay:var(--d,0ms);
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card:hover{transform:translateY(-5px);border-color:var(--brand);box-shadow:var(--shadow-m)}
.card__cover{
  position:relative;height:262px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;padding:12px;overflow:hidden;
}
.card__cover img{max-height:100%;width:auto;object-fit:contain;transition:transform .45s cubic-bezier(.2,.7,.3,1);box-shadow:0 4px 14px -8px rgba(22,32,43,.3)}
.card:hover .card__cover img{transform:scale(1.035)}
.card__line{
  position:absolute;top:12px;left:12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  background:rgba(22,32,43,.82);color:#fff;padding:3px 9px;border-radius:999px;backdrop-filter:blur(4px);
}
.card__body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card__code{font-family:var(--mono);font-size:11px;color:var(--brand);letter-spacing:.12em}
.card__name{font-family:var(--serif);font-size:18px;line-height:1.4;margin:7px 0 10px}
.card__tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}
.tag{border:1px solid var(--line);border-radius:4px;padding:2px 7px;font-size:11.5px;color:var(--ink-2);background:var(--tag-bg)}
.card__foot{margin-top:auto;border-top:1px dashed var(--line);padding-top:11px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.card__age{font-family:var(--mono);color:var(--ink-2)}
.card__price{font-family:var(--mono);color:var(--brand);font-weight:600}
.card__price--todo{color:var(--muted);font-weight:400}
.card__order{
  margin-top:12px;width:100%;padding:9px 12px;border-radius:9px;
  border:1px solid var(--brand);background:transparent;color:var(--brand);
  font-size:13px;letter-spacing:.06em;transition:.22s;
}
.card__order:hover{background:var(--brand);color:#fff}
.card__order.is-in{background:var(--brand-tint);border-color:var(--brand-line);color:var(--brand-deep);font-weight:600}
.card__tier{
  margin:10px 0 0;font-size:11px;line-height:1.5;color:var(--leaf-deep);
  background:var(--leaf-tint);border:1px dashed var(--leaf-line);border-radius:7px;padding:5px 8px;
}

/* 阶梯价表（详情弹层） */
.tiertable{width:100%;border-collapse:collapse;margin-top:14px;font-size:12.5px}
.tiertable th,.tiertable td{border:1px solid var(--line);padding:8px 12px;text-align:left}
.tiertable th{background:var(--paper-2);color:var(--muted);font-weight:400;font-size:11.5px;letter-spacing:.06em}
.tiertable .num{font-family:var(--mono);text-align:right}
.tiertable .save{font-size:11.5px;color:var(--leaf-deep);white-space:nowrap}
.tiertable tr.is-on td{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.tiertable tr.is-on .save{color:var(--leaf-deep)}
.tiertable-wrap{margin-top:14px}

/* 订购单条目里的价格与凑单提示 */
.op__price{margin-top:7px;font-family:var(--mono);font-size:12px;color:var(--ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.op__price s{color:var(--muted);margin-left:4px}
.op__off{font-family:var(--sans);font-style:normal;font-size:10.5px;color:#fff;background:var(--leaf);border-radius:4px;padding:1px 6px}
.op__tip{font-family:var(--sans);font-style:normal;font-size:10.5px;color:var(--warn);background:var(--warn-tint);border:1px dashed var(--warn-line);border-radius:4px;padding:1px 6px}

.empty{text-align:center;color:var(--muted);padding:70px 0;font-size:15px}

/* ---------------- 页脚 ---------------- */
.foot{margin-top:40px;background:var(--ink);color:#D8DEE4;padding:52px 0 44px}
.foot__inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-end}
.foot__logo{height:34px;width:auto;filter:brightness(0) invert(1);opacity:.92}
.foot__name{font-family:var(--serif);font-size:17px;margin-top:14px;letter-spacing:.06em}
.foot__right{display:flex;align-items:flex-end;justify-content:flex-end;gap:18px;flex-wrap:wrap;font-size:13px;color:#98A4B0}
.foot__txt{text-align:right}
.foot__copy{margin-top:10px;font-size:12px;color:#7C8894}
.foot__qr{margin:0;display:flex;flex-direction:column;align-items:center;gap:6px}
.foot__qr img{width:88px;height:88px;display:block;background:#fff;border-radius:6px;padding:4px}
.foot__qr figcaption{font-size:11px;color:#98A4B0;letter-spacing:.05em}
/* 窄屏：页脚整块竖排居中 */
@media (max-width:720px){
  .foot{padding:38px 0 32px}
  .foot__inner{flex-direction:column;align-items:center;text-align:center;gap:22px}
  .foot__name{margin-top:12px}
  .foot__right{flex-direction:column;align-items:center;justify-content:center;gap:16px;width:100%}
  .foot__txt{text-align:center}
  .foot__copy{margin-top:8px;line-height:1.7}
  .foot__qr{gap:6px}
}

/* ---------------- 弹层 ---------------- */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:32px}
.modal[hidden]{display:none}
.modal__back{position:absolute;inset:0;background:rgba(22,32,43,.52);backdrop-filter:blur(6px);animation:fade .3s both}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal__panel{
  position:relative;background:var(--paper);border-radius:18px;width:min(1000px,100%);
  max-height:88vh;overflow:auto;box-shadow:var(--shadow-l);animation:pop .38s cubic-bezier(.2,.8,.3,1) both;
}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.985)}to{opacity:1;transform:none}}
.modal__x{
  position:absolute;top:14px;right:16px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);
  background:var(--paper-a90);font-size:22px;line-height:1;color:var(--ink-2);z-index:3;transition:.2s;
}
.modal__x:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.modal__body{display:grid;grid-template-columns:320px 1fr}
.mp__left{background:#fff;border-right:1px solid var(--line);padding:34px 26px;display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:flex-start}
.mp__left img{max-height:400px;width:auto;object-fit:contain;box-shadow:0 10px 30px -18px rgba(22,32,43,.5)}
.mp__leftmeta{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.08em;text-align:center;line-height:1.9}
.mp__right{padding:34px 34px 40px;max-height:88vh;overflow-y:auto}
.mp__line{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--brand)}
.mp__name{font-size:32px;line-height:1.25;margin:10px 0 6px}
.mp__code{font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.1em}
.mp__sec{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.mp__sec h4{margin:0 0 12px;font-family:var(--sans);font-size:12px;letter-spacing:.16em;color:var(--muted);font-weight:600}
.mp__goal{font-size:15.5px;line-height:1.95;color:var(--ink-2)}
.mp__tags{display:flex;flex-wrap:wrap;gap:7px}
.mp__tags .tag{font-size:12.5px;padding:4px 10px;background:var(--brand-tint);border-color:var(--brand-line);color:var(--brand-deep)}
.kv{display:grid;grid-template-columns:96px 1fr;gap:9px 16px;font-size:14px}
.kv dt{color:var(--muted);font-size:13px}
.kv dd{margin:0;color:var(--ink-2)}
.kv dd .mono{font-family:var(--mono);font-size:13px}
.agebig{display:inline-flex;align-items:baseline;gap:8px;font-family:var(--serif);font-size:24px;color:var(--ink)}
.agebig span{font-family:var(--sans);font-size:12px;color:var(--muted);letter-spacing:.1em}
.prices{display:grid;grid-template-columns:1fr;gap:14px}
.pricebox{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}
.pricebox dt{font-size:12.5px;color:var(--muted);letter-spacing:.1em}
.pricebox dd{margin:8px 0 0;font-family:var(--mono);font-size:22px;color:var(--ink)}
.pricebox dd.is-todo{font-family:var(--sans);font-size:15px;color:var(--muted)}
.pricehint{margin-top:12px;font-size:12.5px;color:var(--muted)}
.pricehint--tier{margin-top:6px;color:var(--warn)}
.pricehint--tier:empty{display:none}
/* 价格方案（年卡 / 终身卡） */
.prices--plans{grid-template-columns:1fr 1fr}
.priceplan{
  position:relative;display:block;cursor:pointer;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;background:#fff;transition:.2s;
}
.priceplan:hover{border-color:var(--brand)}
.priceplan.is-on{border-color:var(--brand);background:var(--brand-tint);box-shadow:0 0 0 3px var(--brand-tint)}
.priceplan input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.priceplan dt{font-size:12.5px;color:var(--muted);letter-spacing:.1em}
.priceplan dd{margin:8px 0 0;font-family:var(--mono);font-size:22px;color:var(--ink)}
.priceplan dd span{font-family:var(--sans);font-size:12.5px;color:var(--muted);margin-left:2px}
.priceplan__tick{
  position:absolute;top:10px;right:12px;width:19px;height:19px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12px;font-style:normal;line-height:19px;text-align:center;
  opacity:0;transform:scale(.6);transition:.2s;
}
.priceplan.is-on .priceplan__tick{opacity:1;transform:none}
.op__plan{
  font-style:normal;font-size:11.5px;color:var(--brand-deep);background:var(--brand-tint);
  border:1px solid var(--brand-line);border-radius:5px;padding:1px 6px;margin-left:6px;white-space:nowrap;
}
.mp__order{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px;padding:16px 18px;border:1px solid var(--brand-line);background:var(--brand-tint);border-radius:12px}
.mp__qty{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.qtybox{display:inline-flex;align-items:center;border:1px solid var(--line-strong);border-radius:9px;background:#fff;overflow:hidden}
.qtybox button{width:32px;height:34px;border:none;background:transparent;font-size:17px;line-height:1;color:var(--brand)}
.qtybox button:hover{background:var(--brand-tint-2)}
.qtybox input{width:52px;height:34px;border:none;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-family:var(--mono);font-size:14px;color:var(--ink);background:#fff;outline:none;-moz-appearance:textfield}
.qtybox input::-webkit-outer-spin-button,.qtybox input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.variants{display:flex;flex-wrap:wrap;gap:8px}
.variants span{font-size:12.5px;border:1px dashed var(--line-strong);border-radius:6px;padding:4px 10px;color:var(--ink-2)}
.verline{font-family:var(--mono);font-size:12px;color:var(--brand);letter-spacing:.06em}

/* ---------------- 通用按钮 ---------------- */
.btnprimary{
  border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:9px;
  padding:11px 20px;font-size:14px;letter-spacing:.04em;transition:.22s;white-space:nowrap;
  box-shadow:0 8px 20px -12px var(--brand);
}
.btnprimary:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.btnghost{
  border:1px solid var(--line-strong);background:transparent;color:var(--ink-2);border-radius:9px;
  padding:11px 18px;font-size:14px;transition:.22s;white-space:nowrap;
}
.btnghost:hover{border-color:var(--brand);color:var(--brand)}

/* ---------------- 订购单抽屉 ---------------- */
.orderpanel{position:fixed;inset:0;z-index:110;display:flex;justify-content:flex-end}
.orderpanel[hidden]{display:none}
.orderpanel__back{position:absolute;inset:0;background:rgba(22,32,43,.5);backdrop-filter:blur(6px);animation:fade .3s both}
.orderpanel__panel{
  position:relative;width:min(560px,100%);height:100%;background:var(--paper);
  display:flex;flex-direction:column;box-shadow:var(--shadow-l);
  animation:slidein .36s cubic-bezier(.2,.8,.3,1) both;
}
@keyframes slidein{from{transform:translateX(30px);opacity:.5}to{transform:none;opacity:1}}
.orderpanel__head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.orderpanel__head h3{font-size:20px;display:flex;align-items:baseline;gap:10px}
.orderpanel__head small{font-family:var(--sans);font-size:12.5px;color:var(--muted);letter-spacing:.04em;font-weight:400}
.orderpanel__x{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;font-size:19px;line-height:1;color:var(--ink-2)}
.orderpanel__x:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.orderpanel__body{flex:1;overflow-y:auto;padding:20px 22px 8px}
.orderpanel__foot{border-top:1px solid var(--line);background:var(--paper-2);padding:16px 22px 20px;display:flex;flex-direction:column;gap:14px}

.op__items{display:flex;flex-direction:column;gap:10px}
.op__empty{text-align:center;color:var(--muted);font-size:13.5px;padding:44px 20px;line-height:2}
.op__item{display:grid;grid-template-columns:54px 1fr auto;gap:12px;align-items:center;background:var(--paper-2);border:1px solid var(--line);border-radius:11px;padding:10px 12px}
.op__item img{width:54px;height:72px;object-fit:contain;background:#fff;border-radius:6px}
.op__name{font-size:14px;color:var(--ink);line-height:1.5}
.op__meta{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-top:4px}
.op__right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.op__del{border:none;background:transparent;color:var(--muted);font-size:12px;padding:0}
.op__del:hover{color:var(--danger);text-decoration:underline}
.op__sub{font-family:var(--mono);font-size:13px;color:var(--brand);font-weight:600}
.op__item .qtybox button{width:26px;height:28px;font-size:15px}
.op__item .qtybox input{width:40px;height:28px;font-size:13px}

.op__form{margin-top:24px;padding-top:20px;border-top:1px dashed var(--line-strong)}
.op__form h4{margin:0 0 14px;font-size:14px;display:flex;align-items:baseline;gap:10px;font-weight:600}
.op__form h4 span{font-size:11.5px;color:var(--muted);font-weight:400;letter-spacing:.04em}
.op__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.op__grid label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted)}
.op__grid label.op__full{grid-column:1/-1}
.op__grid input{
  border:1px solid var(--line-strong);border-radius:9px;padding:10px 12px;font-size:14px;
  font-family:var(--sans);color:var(--ink);background:var(--paper-2);outline:none;transition:.2s;
}
.op__grid input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint)}
.op__grid input::placeholder{color:#B3BAC2}

.op__total{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.op__total span{font-size:12.5px;color:var(--muted);letter-spacing:.08em}
.op__total b{font-family:var(--mono);font-size:24px;color:var(--brand)}
.op__total small{font-size:12px;color:var(--muted)}
.op__acts{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.op__wxhint{margin:2px 0 0;font-size:12px;line-height:1.75;color:var(--warn);background:var(--warn-tint);border:1px dashed var(--warn-line);border-radius:9px;padding:9px 12px}
.op__wxhint[hidden]{display:none}

/* ---------------- 订购单图片弹层 ---------------- */
.imgmodal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:22px}
.imgmodal[hidden]{display:none}
.imgmodal__back{position:absolute;inset:0;background:rgba(22,32,43,.6);backdrop-filter:blur(6px);animation:fade .3s both}
.imgmodal__panel{
  position:relative;width:min(470px,100%);max-height:90vh;background:var(--paper);border-radius:16px;
  display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-l);
  animation:pop .34s cubic-bezier(.2,.8,.3,1) both;
}
.imgmodal__head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.imgmodal__head h3{font-size:17px}
.imgmodal__body{flex:1;overflow-y:auto;padding:16px;background:var(--neutral-2);-webkit-overflow-scrolling:touch}
.imgmodal__body img{width:100%;display:block;border-radius:8px;box-shadow:0 6px 20px -12px rgba(0,0,0,.5)}
.imgmodal__foot{display:flex;align-items:center;gap:12px;padding:14px 18px;border-top:1px solid var(--line);background:var(--paper-2)}
.imgmodal__foot p{flex:1;font-size:12px;line-height:1.7;color:var(--muted)}
.imgmodal__foot .btnghost{text-decoration:none;flex:none;padding:9px 14px;font-size:13px}

/* ---------------- 轻提示 ---------------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:200;
  background:rgba(22,32,43,.93);color:#fff;font-size:13.5px;letter-spacing:.03em;
  padding:11px 20px;border-radius:999px;box-shadow:var(--shadow-l);animation:toastup .3s both;
}
.toast[hidden]{display:none}
@keyframes toastup{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------------- 返回顶部 ---------------- */
.totop{
  position:fixed;right:26px;bottom:26px;z-index:90;width:48px;height:48px;padding:0;
  border:0;background:transparent;cursor:pointer;-webkit-appearance:none;
  opacity:0;visibility:hidden;transform:translateY(12px) scale(.9);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}
.totop.is-show{opacity:1;visibility:visible;transform:none}
.totop__ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.totop__track{fill:var(--paper-a96);stroke:var(--line-strong);stroke-width:2;transition:fill .22s,stroke .22s;filter:drop-shadow(0 6px 14px rgba(22,32,43,.16))}
.totop__bar{
  fill:none;stroke:var(--brand);stroke-width:3;stroke-linecap:round;
  stroke-dasharray:138.23;stroke-dashoffset:138.23;transition:stroke-dashoffset .1s linear;
}
.totop__ico{
  position:absolute;inset:0;width:18px;height:18px;margin:auto;color:var(--ink-2);transition:color .22s;
}
.totop:hover{transform:translateY(-3px)}
.totop:hover .totop__track{fill:#fff}
.totop:hover .totop__ico{color:var(--brand)}
.totop:active{transform:translateY(-1px) scale(.95)}
.totop:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:50%}
@media (max-width:560px){
  .totop{right:14px;bottom:16px;width:42px;height:42px}
  .totop__ico{width:16px;height:16px}
}

/* ---------------- 配色切换 ---------------- */
.themes{
  display:flex;align-items:center;gap:7px;padding:5px 8px;flex:none;
  border:1px solid var(--line);border-radius:999px;background:var(--paper-2);
}
.themes__dot{
  width:17px;height:17px;flex:none;padding:0;border-radius:50%;
  border:1px solid rgba(22,32,43,.14);background:currentColor;
  transition:transform .2s,box-shadow .2s;
}
.themes__dot:hover{transform:scale(1.16)}
.themes__dot.is-on{box-shadow:0 0 0 2px var(--paper-2),0 0 0 4px var(--ink)}
.themes__dot[data-theme="blue"]{background:linear-gradient(135deg,#0868B8 0 50%,#78B028 50% 100%)}
.themes__dot[data-theme="teal"]{background:linear-gradient(135deg,#0E7C7B 0 50%,#2FA36B 50% 100%)}
.themes__dot[data-theme="orange"]{background:linear-gradient(135deg,#C4451C 0 50%,#E0A21B 50% 100%)}
@media (max-width:700px){
  .brand__txt{display:none}   /* 给搜索框与配色切换让位 */
}
@media (max-width:560px){
  .topbar__inner{gap:14px}
  .topbar__tools{gap:8px}
  .themes{padding:3px 5px;gap:4px}
  .themes__dot{width:14px;height:14px}
}
@media (max-width:380px){
  .topbar__inner{padding:8px 14px 0}
  .brand img{height:30px}
  .themes{padding:2px 4px;gap:3px}
  .themes__dot{width:13px;height:13px}
  .orderbtn{padding:8px 12px;font-size:12.5px}
}

/* ---------------- 打印专用订购单 ---------------- */
.ordersheet{display:none}
.ordersheet__head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;border-bottom:2px solid #16202B;padding-bottom:14px}
.ordersheet h1{font-size:26px;letter-spacing:.34em;margin:0;font-family:var(--serif)}
.ordersheet__brand{font-size:12px;color:#555;margin-top:8px;letter-spacing:.06em}
.ordersheet__meta{border-collapse:collapse;font-size:12px;white-space:nowrap}
.ordersheet__meta td{border:1px solid #bbb;padding:5px 10px}
.ordersheet__meta td:first-child{background:#f2f2f2;color:#555}
.ordersheet__contact{display:grid;grid-template-columns:1fr 1fr;gap:4px 22px;margin:16px 0}
.ordersheet__contact div{display:flex;gap:10px;border-bottom:1px dotted #bbb;padding:6px 0;font-size:12.5px}
.ordersheet__contact b{color:#666;font-weight:400;min-width:92px;flex:none}
.ordersheet__items{width:100%;border-collapse:collapse;font-size:12px}
.ordersheet__items th,.ordersheet__items td{border:1px solid #bbb;padding:7px 9px;text-align:left;vertical-align:top}
.ordersheet__items th{background:#f2f2f2;font-weight:600;white-space:nowrap}
.ordersheet__items .num{text-align:right;font-family:var(--mono);white-space:nowrap}
.ordersheet__items .plan{white-space:nowrap;width:1%;color:#444}
.ordersheet__sum{margin-top:12px;text-align:right;font-size:13.5px}
.ordersheet__sum b{font-family:var(--mono);font-size:18px;margin-left:8px}
.ordersheet__upper{margin-top:6px;text-align:right;font-size:12.5px;color:#444}
.ordersheet__tiers{margin-top:12px;border:1px dashed #bbb;border-radius:6px;padding:9px 13px;font-size:11.5px;color:#444}
.ordersheet__tiers b{color:var(--leaf-deep)}
.ordersheet__tiers ul{margin:4px 0 0;padding-left:18px}
.ordersheet__tiers li{margin:2px 0}
.ordersheet__items .oldp{color:#999;font-size:10.5px;font-weight:400}
.ordersheet__sign{display:flex;justify-content:space-between;gap:24px;margin-top:36px;font-size:12.5px;color:#333}
.ordersheet__foot{margin-top:22px;border-top:1px dashed #bbb;padding-top:12px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;font-size:11px;color:#777}
.ordersheet__qr{display:flex;align-items:center;gap:10px;font-size:11px;color:#666}
.ordersheet__qr img{width:74px;height:74px;border:1px solid #ddd;padding:3px;background:#fff}

/* =========================================================
   培训详情页（training-attention.html）
   ========================================================= */
.pd-head{padding:62px 0 44px;border-bottom:1px solid var(--line)}
.pd-head h1{font-size:clamp(34px,5.4vw,58px);line-height:1.14;margin:20px 0 18px}
.pd-head .lede{max-width:720px}
.pd-head__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.pd-tag{
  font-size:12.5px;padding:4px 13px;border-radius:999px;
  background:var(--paper-2);border:1px solid var(--line-strong);color:var(--ink-2);
}
.pd-sec{padding:56px 0 8px}

/* 培训信息表 */
.pd-info{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:0;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
}
.pd-info>div{display:flex;gap:16px;background:var(--paper-2);padding:14px 18px;font-size:13.5px}
.pd-info>div.is-wide{grid-column:1 / -1}
.pd-info dt{flex:none;width:86px;color:var(--muted)}
.pd-info dd{margin:0;color:var(--ink);line-height:1.8}

/* 培训赠品 */
.pd-gifts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.pd-gift{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;
  transition:.3s cubic-bezier(.4,0,.2,1);
}
.pd-gift:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-m)}
.pd-gift__idx{font-family:var(--mono);font-size:11.5px;color:var(--brand);letter-spacing:.16em}
.pd-gift__name{font-family:var(--serif);font-size:17px;line-height:1.45;margin:11px 0 9px}
.pd-gift__num{font-size:12.5px;color:var(--muted);display:flex;align-items:baseline;gap:5px}
.pd-gift__num b{font-family:var(--mono);font-size:21px;font-weight:400;color:var(--brand)}

/* 大纲 */
.pd-part{margin:0 0 40px}
.pd-part:last-child{margin-bottom:0}
.pd-part__h{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:20px;margin:0 0 16px}
.pd-part__h b{
  font-family:var(--mono);font-size:11.5px;font-weight:400;color:#fff;background:var(--brand);
  width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.pd-part__h i{font-style:normal;font-family:var(--sans);font-size:12.5px;color:var(--muted)}
.pd-mods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:start}
.pd-mod{background:var(--paper-2);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:border-color .25s}
.pd-mod[open]{border-color:var(--brand-line)}
.pd-mod__s{
  display:flex;align-items:center;gap:10px;padding:13px 16px;cursor:pointer;
  list-style:none;font-size:14px;color:var(--ink);transition:background .22s;
}
.pd-mod__s::-webkit-details-marker{display:none}
.pd-mod__s::after{
  content:"";width:7px;height:7px;flex:none;margin-left:6px;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);
  transform:rotate(45deg) translateY(-2px);transition:transform .25s;
}
.pd-mod[open] .pd-mod__s::after{transform:rotate(-135deg) translateY(-2px)}
.pd-mod__s:hover{background:var(--brand-tint)}
.pd-mod__n{font-weight:600;min-width:0}
.pd-mod__c{margin-left:auto;font-family:var(--mono);font-size:11.5px;color:var(--brand);flex:none}
.pd-mod__list{
  margin:0;padding:2px 18px 15px 34px;list-style:decimal;
  font-size:12.5px;color:var(--ink-2);line-height:1.95;
}
.pd-mod__list li::marker{font-family:var(--mono);font-size:11px;color:var(--muted)}

/* 往期培训城市 */
.pd-cities{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.pd-cities li{
  font-size:13px;padding:6px 17px;border-radius:999px;
  background:var(--brand-tint);border:1px solid var(--brand-line);color:var(--brand-deep);
}
/* 培训现场照片墙 */
.pd-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:22px}
.pd-shot{
  margin:0;border-radius:10px;overflow:hidden;background:var(--paper-2);
  border:1px solid var(--line);box-shadow:var(--shadow-s);transition:border-color .25s,box-shadow .25s;
}
.pd-shot img{
  width:100%;height:auto;aspect-ratio:1 / 1;object-fit:cover;display:block;
  transition:transform .55s cubic-bezier(.4,0,.2,1);
}
.pd-shot:hover{border-color:var(--brand);box-shadow:var(--shadow-m)}
.pd-shot:hover img{transform:scale(1.05)}

/* 特别提示 */
.pd-notice{margin:0;padding:0;list-style:none;counter-reset:pn;display:grid;gap:10px}
.pd-notice li{
  position:relative;padding:13px 18px 13px 48px;border-radius:10px;
  background:var(--paper-2);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);line-height:1.85;
}
.pd-notice li::before{
  counter-increment:pn;content:counter(pn);position:absolute;left:16px;top:14px;
  width:20px;height:20px;border-radius:50%;background:var(--brand-tint);color:var(--brand-deep);
  font-family:var(--mono);font-size:11px;display:flex;align-items:center;justify-content:center;
}

/* 正文段落（数维棋简介等） */
.pd-prose{max-width:920px}
.pd-prose p{font-size:14.5px;line-height:2.05;color:var(--ink-2);margin:0 0 16px}
.pd-prose p:last-child{margin-bottom:0}
.pd-prose__hl{
  background:var(--brand-tint);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;
  padding:16px 20px;
}
.pd-prose__hl b{color:var(--brand-deep)}
.pd-lead{font-size:14.5px;line-height:2.05;color:var(--ink-2);max-width:920px}
.pd-sub{
  font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:10px;margin:26px 0 13px;
}
.pd-sub::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);flex:none}
.pd-sub:first-child{margin-top:0}

/* 标签云（能力项 / 教具部件） */
.pd-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.pd-chips li{
  font-size:13px;padding:6px 15px;border-radius:8px;
  background:var(--paper-2);border:1px solid var(--line);color:var(--ink-2);
  transition:border-color .22s,color .22s,background .22s;
}
.pd-chips li:hover{border-color:var(--brand);background:var(--brand-tint);color:var(--brand-deep)}

/* 要点卡片（六好等） */
.pd-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.pd-points--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.pd-lead--end{margin:26px 0 0;color:var(--muted)}
.pd-point{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;
  transition:.3s cubic-bezier(.4,0,.2,1);
}
.pd-point:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-m)}
.pd-point__n{font-family:var(--serif);font-size:17px;margin:0 0 9px;color:var(--brand-deep)}
.pd-point p{font-size:13px;color:var(--ink-2);line-height:1.9}

/* 咨询 CTA */
.pd-cta{padding:56px 0 26px}
.pd-cta__box{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:var(--brand-tint);border:1px solid var(--brand-line);border-radius:var(--r);padding:26px 30px;
}
.pd-cta__box h3{font-size:19px;margin:0 0 8px}
.pd-cta__box p{font-size:13px;color:var(--ink-2);line-height:1.85;max-width:620px}
.pd-cta__qr{margin:0;display:flex;flex-direction:column;align-items:center;gap:8px;flex:none}
.pd-cta__qr img{
  width:104px;height:104px;background:#fff;border-radius:8px;padding:4px;border:1px solid var(--brand-line);
}
.pd-cta__qr figcaption{font-size:11.5px;color:var(--muted);letter-spacing:.05em}

/* ---------------- 响应式 ---------------- */
@media (max-width:1100px){
  .grid,.lines__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .training__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pd-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}
  .modal__body{grid-template-columns:260px 1fr}
}
@media (max-width:860px){
  .wrap{padding:0 20px}
  /* 窄屏顶栏改两行：第一行 logo + 工具，第二行「产品 / 培训」按钮 */
  .topbar__inner{height:auto;flex-wrap:wrap;padding:8px 20px 0}
  .topbar__nav{
    order:3;flex-basis:100%;margin:0;gap:8px;
    padding:8px 0 9px;border-top:1px solid var(--line);
  }
  .linkbtn{
    padding:4px 15px;border:1px solid var(--line-strong);border-radius:999px;
    background:var(--paper-2);font-size:13px;color:var(--ink-2);
  }
  .linkbtn::after{display:none}
  .linkbtn:hover{color:var(--brand);border-color:var(--brand)}
  .linkbtn--wide{display:none}
  .lb-full{display:none}
  .lb-mini{display:inline}
  #lines,#training,#catalog{scroll-margin-top:120px}
  .search{width:170px}
  .grid,.lines__grid,.training__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:56px 0 44px}
  .hero::after{font-size:110px}
  .modal{padding:12px}
  .modal__body{grid-template-columns:1fr}
  .mp__left{border-right:none;border-bottom:1px solid var(--line)}
  .mp__left img{max-height:260px}
  .mp__right{padding:24px 22px 32px;max-height:88vh;overflow-y:auto}
  .mp__name{font-size:25px}
  .filters{position:static}
  .pd-info{grid-template-columns:1fr}
  .pd-mods{grid-template-columns:1fr}
  .pd-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pd-gifts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pd-points{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .grid{grid-template-columns:1fr}
  .lines__grid{grid-template-columns:1fr 1fr}
  .training__grid{grid-template-columns:1fr}
  .search{display:none}
  .orderbtn{padding:7px 13px;font-size:13px}
  .sechead span{font-size:22px}
  .pd-head{padding:44px 0 32px}
  .pd-sec{padding:44px 0 8px}
  .pd-info>div{flex-direction:column;gap:2px}
  .pd-info dt{width:auto;font-size:12.5px}
  .pd-gifts{grid-template-columns:1fr}
  .pd-points,.pd-points--2{grid-template-columns:1fr}
  .pd-cta__box{padding:20px}
  .prices{grid-template-columns:1fr}
  .op__grid{grid-template-columns:1fr}
  .orderpanel__body{padding:16px 16px 8px}
  .orderpanel__head,.orderpanel__foot{padding-left:16px;padding-right:16px}
  .op__item{grid-template-columns:44px 1fr auto}
  .op__item img{width:44px;height:60px}
  .op__acts .btnprimary{flex:1}
}

/* ---------------- 打印 ---------------- */
@page{size:A4;margin:14mm}
@media print{
  body::before,.topbar,.hero,.lines,.catalog,.training,.filters,.grid,.foot,.modal,.orderpanel,.toast,.totop,.pd-head,.pd-sec,.noprint,.empty{display:none!important}
  body{background:#fff}
  /* 打印时只输出订购单 */
  body.print-order .ordersheet{display:block!important}
}

/* ===== 产品详情区（弹层内嵌） ===== */
.dlg__detail{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.dlg__detail .dlg__sec{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.dlg__detail .dlg__sec:first-of-type{margin-top:0;padding-top:0;border-top:0}
.dlg__detail .dlg__h{font-size:14.5px;font-weight:700;color:var(--ink);margin:0 0 4px;letter-spacing:.04em}
.dlg__detail .dlg__sub{font-size:11.5px;color:var(--muted);margin:0 0 14px;letter-spacing:.08em}
.dlg__verbar{background:linear-gradient(95deg,var(--brand-tint) 0%,#fff 100%);border-left:3px solid var(--brand);padding:14px 16px;border-radius:0 10px 10px 0;font-size:13.5px;line-height:1.85;color:var(--ink-2);margin-bottom:6px}
.dlg__verbar b{color:var(--brand-deep)}
.dlg__pains{background:var(--neutral-1);border-radius:12px;padding:18px;margin-top:8px}
.dlg__pains-t{font-size:14.5px;font-weight:700;color:var(--ink);margin-bottom:12px}
.dlg__pains-t span{display:block;font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.06em;margin-top:3px}
.dlg__pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dlg__pcard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 12px;text-align:center}
.dlg__pcard .dlg__pico{font-size:24px;margin-bottom:4px}
.dlg__pcard b{display:block;font-size:12.5px;color:#e74c3c;margin-bottom:3px}
.dlg__pcard small{font-size:11px;color:var(--muted);line-height:1.6}
.dlg__proot{margin-top:12px;text-align:center;font-size:13px;font-weight:700;color:var(--brand);padding:8px;background:#fff;border-radius:8px}
.dlg__feats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dlg__feat{display:flex;gap:10px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px}
.dlg__feat .dlg__fico{font-size:24px;flex-shrink:0;width:34px;text-align:center}
.dlg__feat b{display:block;font-size:12.5px;color:var(--brand-deep);margin-bottom:3px;font-weight:700}
.dlg__feat p{margin:0;font-size:11.5px;color:var(--muted);line-height:1.6}
.dlg__steps{display:flex;align-items:stretch;gap:8px}
.dlg__step{flex:1;min-width:0;text-align:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 6px}
.dlg__step i{display:inline-flex;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-style:normal;font-weight:700;font-size:13px;align-items:center;justify-content:center;margin-bottom:6px}
.dlg__step b{display:block;font-size:12.5px;color:var(--ink);margin-bottom:3px}
.dlg__step p{margin:0;font-size:11px;color:var(--muted);line-height:1.5}
.dlg__arrow{flex:0 0 auto;align-self:center;text-align:center;color:#ccc;font-size:18px;font-weight:700}
.dlg__cmp{width:100%;border-collapse:collapse;font-size:12.5px}
.dlg__cmp th,.dlg__cmp td{padding:9px 10px;text-align:center;border-bottom:1px solid var(--line)}
.dlg__cmp th{background:var(--brand);color:#fff;font-weight:600;font-size:12px}
.dlg__cmp th:nth-child(2){background:#888}
.dlg__cmp tr:nth-child(even) td{background:var(--neutral-1)}
.dlg__cmp td:first-child{color:var(--muted);font-weight:600}
.dlg__hl{color:#e74c3c;font-weight:700}
.dlg__auds{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.dlg__aud{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 6px;text-align:center}
.dlg__aud span{font-size:24px;display:block;margin-bottom:4px}
.dlg__aud b{display:block;font-size:12px;margin-bottom:3px}
.dlg__aud small{font-size:10.5px;color:var(--muted);line-height:1.5}
.dlg__qa{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:8px}
.dlg__qa:last-child{margin-bottom:0}
.dlg__qa b{font-size:12.5px;color:var(--brand-deep);display:block;margin-bottom:5px}
.dlg__qa p{margin:0;font-size:12px;color:var(--ink-2);line-height:1.75}
@media (max-width:900px){
  .dlg__pain-grid,.dlg__feats{grid-template-columns:1fr}
  .dlg__steps{flex-direction:column;gap:8px}
  .dlg__arrow{transform:rotate(90deg)}
  .dlg__auds{grid-template-columns:1fr 1fr}
}

/* 版本样张（弹层内嵌） */
.dlg__gallery{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dlg__gallery img{width:100%;display:block;border-radius:10px;border:1px solid var(--line);background:#fff;box-shadow:0 3px 12px -8px rgba(22,32,43,.45)}
@media (max-width:900px){.dlg__gallery{grid-template-columns:1fr}}

/* 效果对比（训练前/后） */
.dlg__vs{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dlg__vs-col{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.dlg__vs-col h5{margin:0 0 8px;font-size:12.5px;text-align:center}
.dlg__vs-col.bad h5{color:#e74c3c}
.dlg__vs-col.good h5{color:#27ae60}
.dlg__vs-col ul{margin:0;padding-left:16px;font-size:11.5px;color:var(--ink-2);line-height:1.95}
@media (max-width:900px){.dlg__vs{grid-template-columns:1fr}}

.dlg__gallery--wide{grid-template-columns:1fr}