/* 甲谱 · 推广站样式 v2
   暖米底 + 墨绿 + 线性图标；mobile-first；跟随系统深浅色
   刻意不用 color-mix / backdrop-filter 作为关键效果——微信内置浏览器会掉样式 */

:root{
  --bg:#f6f3ec; --bg2:#ffffff; --bg3:#efeade; --bg4:#e8e2d3;
  --ink:#191815; --ink2:#6b665c; --ink3:#9a9488;
  --line:#e7e2d7; --line2:#f1ede4;
  --brand:#2f6b53; --brand2:#3f8a68; --brand-ink:#22503e; --brand-bg:#e9f3ed;
  --brand-deep:#1e4436;
  /* 实心深绿块（按钮/价格卡/结果卡）不随深浅色变化：
     否则暗色下 --brand 变亮绿，白字对比不足 */
  --grad-a:#35755a; --grad-b:#24503e; --grad-deep:#163a2c;
  --warn:#9d5711; --warn-bg:#fbf1e3;
  --err:#a8332c; --err-bg:#fbeceb;
  --r:18px; --r-sm:11px; --r-lg:26px;
  --sh:0 1px 2px rgba(25,24,21,.05), 0 4px 14px rgba(25,24,21,.045);
  --sh-lift:0 2px 4px rgba(25,24,21,.06), 0 14px 30px rgba(25,24,21,.09);
  --safe:env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0f1110; --bg2:#171a17; --bg3:#1e221e; --bg4:#252a24;
    --ink:#eceae3; --ink2:#a5a196; --ink3:#78746b;
    --line:#2a2f29; --line2:#232823;
    --brand:#6bbd99; --brand2:#7ec9a8; --brand-ink:#93d7b9; --brand-bg:#1a2822;
    --brand-deep:#0c1f18;
    --warn:#e0a561; --warn-bg:#2b2317;
    --err:#e8887f; --err-bg:#2c1c1a;
    --sh:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.32);
    --sh-lift:0 4px 10px rgba(0,0,0,.4), 0 18px 40px rgba(0,0,0,.45);
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.78 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;-webkit-tap-highlight-color:transparent}
a:hover{color:var(--brand-ink);text-decoration:underline;text-underline-offset:3px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:var(--bg3);padding:1px 5px;border-radius:5px;overflow-wrap:anywhere}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.022em;line-height:1.3}
img{max-width:100%}
.small{font-size:13.5px}
.muted{color:var(--ink2)}
.ic{flex:none;display:block}

/* ------------------------------------------------------------ 骨架 */
.wrap{max-width:764px;margin:0 auto;padding:0 18px}
.wrap--wide{max-width:1012px}

.top{
  position:sticky;top:0;z-index:40;background:var(--bg);
  border-bottom:1px solid transparent;transition:border-color .2s;
}
.top.stuck{background:var(--bg2);border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(25,24,21,.03),0 6px 18px rgba(25,24,21,.05)}
.topin{max-width:1012px;margin:0 auto;padding:0 18px;height:58px;
  display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16.5px;
  color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo i{
  width:27px;height:27px;border-radius:9px;flex:none;
  background:linear-gradient(150deg,var(--grad-a),var(--grad-b));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 2px 6px rgba(22,58,44,.3);
}
.logo i svg{width:16px;height:16px;display:block}
.topnav{display:flex;gap:3px;margin-left:auto;align-items:center;font-size:14px}
.topnav a{color:var(--ink2);padding:7px 11px;border-radius:9px;transition:background .15s,color .15s}
.topnav a:hover{background:var(--bg3);text-decoration:none;color:var(--ink)}
.topnav a.on{color:var(--brand-ink);background:var(--brand-bg);font-weight:600}
.topnav .cta{
  background:linear-gradient(150deg,var(--grad-a),var(--grad-b));color:#fff;
  padding:9px 15px;border-radius:10px;font-size:13.5px;font-weight:600;margin-left:6px;
  box-shadow:0 2px 8px rgba(22,58,44,.26);
}
.topnav .cta:hover{background:linear-gradient(150deg,var(--grad-b),var(--grad-deep));
  text-decoration:none;color:#fff}
.topnav a .sm{display:none}
@media (max-width:600px){
  .topin{gap:8px;padding:0 14px;height:54px}
  .topnav{gap:0;font-size:13px}
  .topnav a{padding:6px 8px}
  .topnav a .lg{display:none}
  .topnav a .sm{display:inline}
  .topnav .cta{padding:8px 12px;font-size:13px;margin-left:2px}
  .wrap{padding:0 15px}
}

main{padding:0 0 44px;min-height:60vh}
footer{
  border-top:1px solid var(--line);background:var(--bg2);
  padding:32px 0 calc(38px + var(--safe));font-size:13px;color:var(--ink2);
}
footer p{margin:0 0 8px;line-height:1.7}
.fbrand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink);
  margin-bottom:12px;font-size:15px}
.fbrand i{width:22px;height:22px;border-radius:7px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff}
.fbrand i svg{width:13px;height:13px;display:block}
.fgrid{display:grid;gap:22px;margin-bottom:24px}
@media (max-width:639px){
  .fgrid{grid-template-columns:1fr 1fr;gap:20px 16px}
  .fgrid > div:first-child{grid-column:1 / -1}
}
@media (min-width:640px){ .fgrid{grid-template-columns:1.6fr 1fr 1fr} }
.fgrid h4{font-size:12px;letter-spacing:.08em;color:var(--ink3);margin:0 0 9px;
  font-weight:600}
.fgrid a{display:block;color:var(--ink2);padding:3px 0;font-size:13.5px}
.fgrid a:hover{color:var(--brand)}
.ffine{border-top:1px solid var(--line2);padding-top:16px;font-size:12.5px;color:var(--ink3)}

/* ------------------------------------------------------------ 通用件 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 19px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--bg2);color:var(--ink);font-size:15px;font-family:inherit;
  cursor:pointer;line-height:1.2;font-weight:600;letter-spacing:-.01em;
  transition:transform .12s ease,box-shadow .18s,border-color .18s;
}
.btn:hover{text-decoration:none;border-color:var(--ink3);color:var(--ink);
  box-shadow:var(--sh)}
.btn:active{transform:scale(.985)}
.btn.primary{
  background:linear-gradient(150deg,var(--grad-a),var(--grad-b));
  border-color:transparent;color:#fff;
  box-shadow:0 2px 10px rgba(22,58,44,.24);
}
.btn.primary:hover{background:linear-gradient(150deg,var(--grad-b),var(--grad-deep));
  color:#fff;box-shadow:0 4px 16px rgba(22,58,44,.32)}
.btn.lg{padding:15px 24px;font-size:16px;border-radius:13px}
.btn.block{width:100%}
.btn .ic{width:17px;height:17px}

.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;box-shadow:var(--sh)}
.card + .card{margin-top:14px}
.card h3{font-size:16px;margin-bottom:7px}
.card p{margin:0 0 12px;font-size:14.5px;color:var(--ink2)}
.card p:last-child{margin-bottom:0}

.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;letter-spacing:.04em;
  color:var(--brand);font-weight:700;margin:0 0 12px;
  background:var(--brand-bg);padding:5px 11px;border-radius:999px}
.lead{font-size:16.5px;color:var(--ink2);line-height:1.72}

.crumb{font-size:13px;color:var(--ink3);margin:22px 0 16px;display:flex;gap:7px;
  flex-wrap:wrap;align-items:center}
.crumb a{color:var(--ink2)}
.crumb i{color:var(--ink3);opacity:.6;font-style:normal}

.notice{display:flex;gap:12px;padding:15px 17px;border-radius:var(--r-sm);
  background:var(--brand-bg);color:var(--brand-ink);font-size:14px;line-height:1.68;
  border:1px solid rgba(47,107,83,.14)}
.notice > .ic{width:19px;height:19px;margin-top:2px}
.notice.warn{background:var(--warn-bg);color:var(--warn);
  border-color:rgba(157,87,17,.16)}
.notice b{font-weight:700}
/* 只有作为标题的第一个 b 才独占一行；正文里的 <b> 必须留在句子里，
   否则「能回答：如果 / 双亲基因型…」会被拆成三段 */
.notice > div > b:first-child{display:block;margin-bottom:3px}
.notice p{margin:0;color:inherit;opacity:.92}

/* ------------------------------------------------------------ 首页 */
.hero{position:relative;padding:34px 0 6px;overflow:hidden}
@media (max-width:640px){ .hero{padding:26px 0 4px} }
.hero-deco{
  position:absolute;top:-56px;right:-42px;width:290px;height:290px;
  opacity:.30;pointer-events:none;color:var(--brand);
  /* 左缘淡出，避免线条压到标题 */
  -webkit-mask-image:radial-gradient(circle at 62% 46%,#000 34%,transparent 74%);
  mask-image:radial-gradient(circle at 62% 46%,#000 34%,transparent 74%);
}
@media (max-width:820px){
  .hero-deco{right:-130px;top:-40px;width:250px;height:250px;opacity:.26}
}
@media (prefers-color-scheme:dark){ .hero-deco{opacity:.16} }
.hero-in{position:relative;z-index:1}
.hero h1{
  font-size:clamp(26px,5.2vw,38px);letter-spacing:-.035em;line-height:1.26;
  margin:0 0 15px;max-width:13em;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lead{max-width:32em;margin:0 0 24px;font-size:16.5px}

.split{display:grid;gap:12px;margin:0 0 10px}
@media (min-width:660px){ .split{grid-template-columns:1fr 1fr;gap:14px} }
.split a{
  position:relative;display:flex;gap:13px;align-items:flex-start;
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);
  padding:18px;color:var(--ink);box-shadow:var(--sh);
  transition:transform .14s ease,box-shadow .2s,border-color .2s;
}
.split a:hover{text-decoration:none;border-color:var(--brand);box-shadow:var(--sh-lift);
  transform:translateY(-2px)}
.split a .ic{
  width:40px;height:40px;border-radius:12px;flex:none;padding:9px;
  background:var(--brand-bg);color:var(--brand-ink);
}
.split .txt{min-width:0}
.split .txt > b{display:block;font-size:16.5px;font-weight:700;margin-bottom:5px;
  letter-spacing:-.01em}
.split .txt > span{display:block;font-size:13.5px;color:var(--ink2);line-height:1.62}
.split .txt > em{display:inline-flex;align-items:center;gap:5px;margin-top:11px;
  font-style:normal;font-size:13px;color:var(--brand);font-weight:600}
.split .txt > em .ic{width:13px;height:13px;padding:0;background:none;color:inherit}
.split a:hover .txt > em .ic{transform:translateX(2px)}
.hintline{font-size:13px;color:var(--ink2);margin:15px 0 0;display:flex;
  align-items:flex-start;gap:7px}
.hintline .ic{width:15px;height:15px;color:var(--brand);flex:none;margin-top:4px}
.hintline span{flex:1 1 0;min-width:0}

.sec{margin:44px 0 0}
.sec > h2{font-size:21px;margin-bottom:7px;letter-spacing:-.025em;
  display:flex;align-items:center;gap:10px}
.sec > h2::before{
  content:"";width:4px;height:19px;border-radius:2px;flex:none;
  background:linear-gradient(var(--brand2),var(--brand));
}
.sec > .sub{font-size:14.5px;color:var(--ink2);margin:0 0 18px;padding-left:14px}

.list{display:grid;gap:10px}
.list a{
  position:relative;display:flex;gap:13px;align-items:flex-start;
  padding:16px 42px 16px 16px;background:var(--bg2);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--ink);
  transition:border-color .18s,box-shadow .18s,transform .14s;
}
.list a:hover{text-decoration:none;border-color:var(--brand);box-shadow:var(--sh);
  transform:translateX(2px)}
.list a::after{
  content:"";position:absolute;right:17px;top:50%;width:7px;height:7px;
  border-right:1.8px solid var(--ink3);border-top:1.8px solid var(--ink3);
  transform:translateY(-50%) rotate(45deg);transition:border-color .18s,right .18s;
}
.list a:hover::after{border-color:var(--brand);right:15px}
.list .num{
  flex:none;width:25px;height:25px;border-radius:8px;background:var(--brand-bg);
  color:var(--brand-ink);font-size:13px;font-weight:700;display:flex;
  align-items:center;justify-content:center;margin-top:1px;
}
.list .txt{min-width:0}
.list b{font-weight:700;font-size:15px;display:block;margin-bottom:3px}
.list span{font-size:13.5px;color:var(--ink2);display:block;line-height:1.62}

.three{display:grid;gap:12px}
@media (min-width:700px){ .three{grid-template-columns:repeat(3,1fr)} }
.three div{
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:17px 16px;
}
.three .ic{width:20px;height:20px;color:var(--brand);margin-bottom:10px}
.three b{display:block;font-size:14.5px;margin-bottom:5px;font-weight:700}
.three span{font-size:13.5px;color:var(--ink2);line-height:1.62}

.pricecard{
  background:linear-gradient(155deg,var(--grad-deep),var(--grad-a));
  border-radius:var(--r);padding:24px;color:#fff;position:relative;overflow:hidden;
}
.pricecard::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.06);
}
.pricecard h3{font-size:24px;letter-spacing:-.02em;margin-bottom:6px;color:#fff}
.pricecard h3 span{font-size:14px;font-weight:500;opacity:.8;margin-left:4px}
.pricecard p{font-size:14px;margin:0 0 16px;color:rgba(255,255,255,.82);max-width:32em}
.pricecard .btn{background:#fff;color:var(--brand-ink);border:0;box-shadow:none}
.pricecard .btn:hover{background:#f2f8f4;color:var(--brand-ink)}

/* ------------------------------------------------------------ 文章 */
.artgrid{display:grid;gap:0}
@media (min-width:980px){
  .artgrid{grid-template-columns:minmax(0,1fr) 196px;gap:52px;align-items:start}
}
.article{max-width:740px;min-width:0}
.article h1{font-size:clamp(23px,4.4vw,29px);letter-spacing:-.03em;margin:0 0 16px;
  line-height:1.3}
.article h2{font-size:19.5px;margin:36px 0 13px;padding-top:6px;scroll-margin-top:76px;
  display:flex;align-items:baseline;gap:9px}
.article h2::before{
  content:"";width:3px;height:15px;border-radius:2px;flex:none;
  background:var(--brand);transform:translateY(-1px);
}
.article h3{font-size:17px;margin:26px 0 10px}
.article p{margin:0 0 15px}
.article ul,.article ol{margin:0 0 17px;padding-left:0;list-style:none;counter-reset:li}
.article ul li,.article ol li{position:relative;padding-left:25px;margin:0 0 10px}
.article ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:5px;height:5px;
  border-radius:50%;background:var(--brand);opacity:.55;
}
.article ol li{counter-increment:li}
.article ol li::before{
  content:counter(li);position:absolute;left:0;top:1px;width:17px;
  font-size:12px;font-weight:700;color:var(--brand);text-align:center;
}
.article hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article blockquote{
  margin:0 0 20px;padding:15px 18px;border-left:3px solid var(--brand);
  background:var(--brand-bg);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15.5px;color:var(--ink);line-height:1.72;
}
.article blockquote p{margin:0}
.article blockquote p + p{margin-top:9px}
.article em{font-style:italic;color:var(--ink2)}
.article pre.ascii{
  background:var(--bg3);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:15px 17px;overflow-x:auto;font-size:13px;line-height:1.75;margin:0 0 20px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink2);
}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 20px}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--brand-bg);color:var(--brand-ink);font-weight:700;
  white-space:nowrap;font-size:13px;letter-spacing:.01em}
tbody tr:nth-child(even){background:rgba(244,241,233,.5)}
@media (prefers-color-scheme:dark){
  tbody tr:nth-child(even){background:rgba(255,255,255,.018)}
}
td strong{font-weight:700}
table.tz{min-width:640px}
table.tz td:nth-child(4),table.tz th:nth-child(4){white-space:nowrap}

/* 元信息条 */
.meta{
  display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12.5px;color:var(--ink2);
  background:var(--bg3);border-radius:var(--r-sm);padding:13px 15px;margin:0 0 24px;
  line-height:1.7;border-left:2px solid var(--line);
}
.meta span{display:block;flex:1 1 100%}
.meta span:first-child{flex:0 1 auto}
.meta b{font-weight:600;color:var(--ink)}

/* 目录（仅桌面） */
.toc{display:none}
@media (min-width:980px){
  .toc{
    display:block;position:sticky;top:82px;font-size:13px;
    border-left:1px solid var(--line);padding-left:16px;
  }
  .toc h4{font-size:11.5px;letter-spacing:.09em;color:var(--ink3);margin:0 0 10px;
    font-weight:600}
  .toc a{display:block;color:var(--ink2);padding:5px 0;line-height:1.5}
  .toc a:hover{color:var(--brand);text-decoration:none}
}

.endnote{font-size:12.5px;color:var(--ink3);border-top:1px solid var(--line);
  margin-top:32px;padding-top:15px;line-height:1.72}

.act{margin:30px 0 0;background:var(--bg2);border:1px solid var(--line);
  border-radius:var(--r);padding:22px;box-shadow:var(--sh);position:relative;
  overflow:hidden}
.act::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(var(--brand2),var(--brand));
}
.act h3{font-size:16.5px;margin-bottom:7px}
.act p{font-size:14px;color:var(--ink2);margin:0 0 15px;line-height:1.68}
.act .row{display:flex;gap:9px;flex-wrap:wrap}
.next{margin:20px 0 0;display:flex;gap:10px;flex-wrap:wrap;font-size:14px;
  justify-content:space-between}
.next a{display:inline-flex;align-items:center;gap:6px;color:var(--ink2);
  padding:9px 13px;border:1px solid var(--line);border-radius:9px;background:var(--bg2)}
.next a:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}

/* ------------------------------------------------------------ 工具 */
.tool{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--sh);margin-bottom:16px}
.field{margin:0 0 16px}
.field:last-of-type{margin-bottom:0}
.field label{display:block;font-size:13px;color:var(--ink2);margin-bottom:7px;
  font-weight:600}
.field input,.field select{
  width:100%;padding:13px 13px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--bg);color:var(--ink);font:16px/1.4 inherit;
  font-variant-numeric:tabular-nums;transition:border-color .15s,box-shadow .15s;
}
.field input::placeholder{color:var(--ink3)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-bg);
}
.field .help{font-size:12.5px;color:var(--ink3);margin-top:7px;line-height:1.62}
.field .ref{font-size:12.5px;color:var(--brand-ink);background:var(--brand-bg);
  border-radius:8px;padding:9px 11px;margin-top:8px;line-height:1.6}
.field.pair{display:grid;gap:14px}
@media (min-width:560px){ .field.pair{grid-template-columns:1fr 1fr} }

.result{
  margin-top:18px;padding:22px;border-radius:var(--r);
  background:linear-gradient(158deg,var(--grad-deep),var(--grad-a));color:#fff;
  position:relative;overflow:hidden;
}
.result::after{
  content:"";position:absolute;right:-50px;top:-50px;width:200px;height:200px;
  border-radius:50%;background:rgba(255,255,255,.07);
}
.result .big{font-size:30px;font-weight:700;letter-spacing:-.03em;line-height:1.2;
  position:relative}
.result .big small{display:block;margin-top:8px;font-size:12.5px;font-weight:500;
  color:rgba(255,255,255,.72);letter-spacing:.02em}
.result .note{font-size:13.5px;color:rgba(255,255,255,.9);margin:12px 0 0;
  line-height:1.65;position:relative}
.result .ref{font-size:12px;color:rgba(255,255,255,.62);margin:13px 0 0;
  border-top:1px solid rgba(255,255,255,.16);padding-top:11px;line-height:1.6;
  position:relative}
.result.hidden{display:none}

.emptyhint{font-size:13px;color:var(--ink3);text-align:center;padding:6px 0 0}

/* ------------------------------------------------------------ 打印 */
@media print{
  .top,footer,.act,.next,.crumb,.tool button,.toc,.noprint,.hero-deco{display:none!important}
  body{background:#fff;color:#000;font-size:11.5pt;line-height:1.6}
  .card,.tool,.act{box-shadow:none;border-color:#bbb}
  .article h2::before,.article ul li::before{background:#666}
  .article h2{border-bottom:1px solid #ddd;padding-bottom:4px}
  th{background:#eee!important;color:#000!important}
  a{color:#000;text-decoration:none}
  main{padding:0}
  .result{background:#f2f2f2!important;color:#000!important;border:1px solid #bbb}
  .result .big small,.result .note,.result .ref{color:#333!important}
}

/* ------------------------------------------------------------ 子代概率 */
.cross{display:grid;gap:12px}
.par{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 13px}
.parhead{font-size:12.5px;font-weight:700;color:var(--brand-ink);margin-bottom:6px;
  letter-spacing:.02em}
.trow{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:6px 0;border-top:1px solid var(--line2)}
.trow:first-of-type{border-top:0}
.tname{font-size:13.5px;display:flex;align-items:center;gap:6px;min-width:0;
  overflow-wrap:anywhere}
.ev{font-style:normal;font-size:10.5px;line-height:1.5;padding:1px 5px;border-radius:4px;
  background:var(--bg3);color:var(--ink3);flex:none}
.evC{background:var(--warn-bg);color:var(--warn)}
.seg3{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;flex:none;
  background:var(--bg2)}
.seg3 button{padding:7px 9px;font-size:12.5px;font-family:inherit;background:transparent;
  color:var(--ink2);border:0;border-left:1px solid var(--line);cursor:pointer;
  line-height:1.2;transition:background .12s,color .12s}
.seg3 button:first-child{border-left:0}
.seg3 button:hover{background:var(--bg3);color:var(--ink)}
.seg3 button.on{background:var(--brand);color:#fff}

.probrows{margin-top:16px;display:grid;gap:9px;position:relative}
.prow{display:grid;grid-template-columns:1fr 86px 54px;gap:9px;align-items:center;
  font-size:13px}
.plabel{color:#fff;min-width:0;overflow-wrap:anywhere;line-height:1.4}
.pbar{height:7px;border-radius:4px;background:rgba(255,255,255,.2);overflow:hidden}
.pbar i{display:block;height:100%;border-radius:4px;
  background:linear-gradient(90deg,rgba(255,255,255,.95),rgba(255,255,255,.7))}
.pct{text-align:right;color:rgba(255,255,255,.92);font-variant-numeric:tabular-nums;
  font-size:12.5px}
@media (max-width:430px){
  .prow{grid-template-columns:1fr 56px 48px;gap:7px;font-size:12.5px}
  .trow{gap:7px}
  .seg3 button{padding:7px 7px;font-size:12px}
}

/* ------------------------------------------------------------ 谱系图 */
.phead{display:grid;grid-template-columns:46px 1.05fr 1fr 58px;gap:8px;
  font-size:11.5px;color:var(--ink3);margin-bottom:7px;padding:0 2px}
.pedrow{display:grid;grid-template-columns:46px 1.05fr 1fr 58px;gap:8px;
  align-items:center;margin-bottom:8px}
.pedlab{font-size:12px;color:var(--ink2);font-weight:600;line-height:1.3}
.pedrow input,.pedrow select{
  width:100%;min-width:0;padding:9px;border-radius:9px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);font:13.5px/1.35 inherit;
}
.pedrow input::placeholder{color:var(--ink3)}
.pedrow input:focus,.pedrow select:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-bg)}
.pedrow select{padding:9px 4px;text-align-last:center}
@media (max-width:390px){
  .phead,.pedrow{grid-template-columns:36px 1fr 1fr 48px;gap:6px}
  .pedrow input,.pedrow select{font-size:13px;padding:8px 6px}
  .pedlab{font-size:11.5px}
}
.puxi{margin-top:16px;background:var(--bg2);border:1px solid var(--line);
  border-radius:var(--r);padding:14px;box-shadow:var(--sh)}
#canvas{overflow-x:auto;-webkit-overflow-scrolling:touch}
#canvas svg{display:block;width:100%;min-width:520px;height:auto;border-radius:10px}
@media (max-width:400px){ #canvas svg{min-width:500px} }

/* 打印谱系图：已生成时只留图（生成后 body 带 has-ped，Ctrl+P 也生效） */
@media print{
  body.has-ped .top,body.has-ped footer,body.has-ped .crumb,body.has-ped .eyebrow,
  body.has-ped h1,body.has-ped .lead,body.has-ped .tool,body.has-ped .notice,
  body.has-ped .act,body.has-ped .next,body.has-ped .endnote{display:none!important}
  body.has-ped main{padding:0}
  body.has-ped .wrap{padding:0;max-width:none}
  body.has-ped #stage{
    margin:0;padding:0;border:0;box-shadow:none;background:#fff;
  }
  body.has-ped #stage .row,body.has-ped #stage .pedhint{display:none!important}
  body.has-ped #canvas{overflow:visible}
  body.has-ped #canvas svg{min-width:0;width:100%;border-radius:0}
}
.pedhint{display:flex;align-items:center;gap:6px;margin:0 0 10px;color:var(--ink3)}
.pedhint .ic{width:13px;height:13px;flex:none}
@media (min-width:620px){ .pedhint{display:none} }

/* 英文副标（域名 turtledger.com 与中文名对齐） */
.logo b{font-weight:500;font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink3);margin-left:7px;padding-left:7px;border-left:1px solid var(--line);
  vertical-align:1px}
@media (max-width:420px){ .logo b{display:none} }