/* 孟德 AI 咨询 · 官网样式 */
:root{
  --ink:#1B2836; --ink-2:#2C3E50; --body:#4E5E6E; --muted:#6B7B8C; --faint:#98A4B0;
  --line:#E6E8EB; --line-2:#EEF0F2; --paper:#F4F1EA; --paper-2:#F6F3EE; --off:#FBFAF8;
  --accent:#E97D43; --accent-soft:#FCEFE7; --ok:#3E9B6B;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --num:"SF Pro Display","Helvetica Neue",-apple-system,"PingFang SC",sans-serif;
  --wrap:1120px; --gutter:24px; --header:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 16px)}
body{background:#fff;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.w{width:min(var(--wrap),100% - var(--gutter)*2);margin:0 auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:22px;height:22px;fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:400;letter-spacing:.01em;border:0;cursor:pointer;font-family:inherit;transition:background-color .2s,transform .2s,box-shadow .2s}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#2C3E50}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#DD6F34;box-shadow:0 8px 24px rgba(233,125,67,.28)}
.btn-line{border:1px solid rgba(27,40,54,.28);color:var(--ink);background:rgba(255,255,255,.55)}
.btn-line:hover{border-color:var(--ink)}
.btn-lg{height:58px;padding:0 40px;font-size:18px;gap:12px}

/* 返回顶部 */
.back-to-top{position:fixed;right:28px;bottom:max(28px,env(safe-area-inset-bottom));z-index:60;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--ink);color:#fff;border:1px solid rgba(255,255,255,.6);box-shadow:0 6px 20px rgba(27,40,54,.14);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,background-color .2s}
.back-to-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{background:var(--accent)}
.back-to-top svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:600px){.back-to-top{right:16px;bottom:max(16px,env(safe-area-inset-bottom));width:44px;height:44px}}
@media(prefers-reduced-motion:reduce){.back-to-top{transition:none}}

/* section heads */
.h2{font-size:52px;line-height:1.22;font-weight:200;letter-spacing:-.02em;text-wrap:balance}
.scroll-reveal-glyph{display:inline-block}
.lead{margin-top:16px;color:var(--body);max-width:560px;font-size:17px;line-height:1.6}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.center .client-lead{max-width:none}
.sec{padding:120px 0 0}

/* ---------- header (glass on scroll) ---------- */
.gh{position:fixed;top:0;left:0;right:0;z-index:50;margin:0 auto;width:min(1140px,100% - 144px);padding:12px 0 0}
.gh-bar{position:relative;isolation:isolate;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 8px 0 24px;border-radius:999px}
.gh-bar::before{content:"";position:absolute;inset:-1px;border-radius:inherit;z-index:-1;pointer-events:none;
  background:rgb(245,248,250);-webkit-backdrop-filter:none;backdrop-filter:none;
  border:1px solid rgba(27,40,54,.08);box-shadow:none;
  transition:background-color .4s ease-in-out,border-color .4s ease-in-out}
.gh.is-scrolled .gh-bar::before{background:rgba(237,243,248,.22);-webkit-backdrop-filter:blur(10px) saturate(135%);backdrop-filter:blur(10px) saturate(135%);border-color:rgba(27,40,54,.10)}
.gh.is-open .gh-bar::before{background:rgba(245,248,250,.55);-webkit-backdrop-filter:blur(10px) saturate(135%);backdrop-filter:blur(10px) saturate(135%);border-color:rgba(27,40,54,.10)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .gh.is-scrolled .gh-bar::before,.gh.is-open .gh-bar::before{background:rgba(245,248,250,.94)}
}
.gh-logo img{height:26px;width:auto}
.gh-nav{display:flex;gap:36px;font-size:15px}
@media(min-width:961px){.gh-nav{position:relative;left:24px}}/* 导航文字整体右移 24px，想调位置改这个数 */
.gh-nav a{color:var(--ink-2);transition:color .2s}
.gh-nav a:hover{color:var(--accent)}
.gh-menu{display:none;width:44px;height:44px;border-radius:50%;border:0;background:transparent;cursor:pointer;place-items:center}
.gh-menu span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;transition:transform .3s}
.gh-menu span::before,.gh-menu span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);transition:transform .3s,top .3s}
.gh-menu span::before{top:-6px}.gh-menu span::after{top:6px}
.gh.is-open .gh-menu span{background:transparent}
.gh.is-open .gh-menu span::before{top:0;transform:rotate(45deg)}
.gh.is-open .gh-menu span::after{top:0;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;height:740px;overflow:hidden;background:linear-gradient(180deg,#BFD3EE 0%,#D9E3F0 30%,#F2E9E2 62%,#FBF1E6 80%,var(--off) 100%)}
.hero-img{--parallax-x:0;--parallax-y:0;pointer-events:none}
.hero-img>img,.hero-front{position:absolute;left:max(150px,calc(50% - 570px));bottom:-28px;width:max(1560px,calc(50% + 570px));max-width:none;height:auto;aspect-ratio:1672/941;transform-origin:center bottom;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 260px),linear-gradient(180deg,transparent 0,#000 140px);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,transparent 0,#000 260px),linear-gradient(180deg,transparent 0,#000 140px);mask-composite:intersect}
.hero-back{transform:translate3d(calc(var(--parallax-x)*12px),calc(var(--parallax-y)*10px),0) scale(1.05)}
.hero-front{transform:translate3d(calc(var(--parallax-x)*28px),calc(var(--parallax-y)*22px),0) scale(1.05)}
/* 桌面端常驻合成层：开关 will-change 会让两张大图反复重绘，鼠标一动一停都会卡一下。 */
@media(min-width:961px){.hero-img>img,.hero-front{will-change:transform}}
.hero-front img{position:absolute;inset:0;width:100%;height:100%;max-width:none}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(250,247,243,.9) 0%,rgba(250,247,243,.72) 26%,rgba(250,247,243,.25) 38%,rgba(250,247,243,0) 48%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:160px;z-index:1;background:linear-gradient(180deg,rgba(251,250,248,0),var(--off))}
.hero-copy{position:relative;z-index:2;padding-top:190px}
.pill{display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(27,40,54,.12);border-radius:999px;padding:4px 14px 4px 6px;font-size:13px;color:var(--muted);background:rgba(255,255,255,.6)}
.pill b{background:#fff;border-radius:999px;padding:1px 10px;color:var(--ink);font-weight:500}
.hero h1{margin-top:30px;font-size:64px;line-height:1.14;font-weight:200;letter-spacing:-.025em}
.hero-line{display:block;overflow:clip}
.hero-line-text{display:block}
.hero-copy p{margin-top:28px;font-size:18px;line-height:1.6;color:#41505F}
.hero-actions{margin-top:44px;display:flex;flex-wrap:wrap;gap:16px}

/* ---------- trio ---------- */
.trio{background:var(--off);padding:110px 0 120px}
.trio-head p{margin-top:14px;font-size:17px;color:var(--body)}
.trio-cards{position:relative;margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
/* 机器人藏在第一张卡片后面，只露出上半身；卡片用 z-index 盖住它的下半身。 */
.peek-robot{position:absolute;z-index:0;width:140px;left:calc((100% - 16px) / 3 * .42 - 70px);bottom:calc(100% - 43px);pointer-events:none}
/* 歪头靠在卡片上：旋转放在 .peek-art 上，因为滚动显现动画会清掉 .peek-robot 自己的 transform。 */
.peek-robot{pointer-events:auto}
.peek-art{display:block;position:relative;transform:rotate(-14deg);transform-origin:50% 60%}
.peek-art img{display:block;width:100%;height:auto}
/* 鼠标移上去：换成 3 张招手图循环播放（每张 0.2 秒），整体上移 5px。 */
/* 招手图是 1254×1254 的方图，机器人本体在原图里比 robot.png 小约 11%（按脚宽 600:668、身高 972:1090 量得），
   所以放大到 106.8% 宽，并让两者的脚底、脚中心对齐，切换时大小和位置一致。 */
.peek-wave{position:absolute;inset:0;display:block}
.peek-wave img{position:absolute;left:-2.4%;bottom:-6.85%;width:106.8%;max-width:none;opacity:0}
@keyframes peek-frame{0%{opacity:1}33.333%{opacity:0}}
@media(hover:hover){
  .peek-art{transition:translate .25s ease-out}
  .peek-robot:hover .peek-art{translate:0 -5px}
  .peek-robot:hover .peek-base{opacity:0}
  .peek-robot:hover .peek-wave img{animation:peek-frame .6s step-end infinite}
  .peek-robot:hover .peek-wave img:nth-child(2){animation-delay:.2s}
  .peek-robot:hover .peek-wave img:nth-child(3){animation-delay:.4s}
}
.tc{position:relative;z-index:1;background:var(--paper);padding:0 28px 34px;min-height:420px;display:flex;flex-direction:column}
.art{position:relative;height:260px;width:312px;max-width:100%;margin:0 auto}
.tc h3{margin-top:auto;font-size:26px;font-weight:300;letter-spacing:-.01em}
.tc p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.7}
.bub{position:absolute;width:34px;height:34px;border-radius:50%;display:grid;place-items:center}
.bub svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dots{position:absolute;height:2px;background:radial-gradient(circle,#9AA6B2 1px,transparent 1.4px) 0 0/8px 2px}
.vdots{position:absolute;width:2px;background:radial-gradient(circle,#9AA6B2 1px,transparent 1.4px) 0 0/2px 8px}
.mark{position:absolute;width:78px;height:78px;border-radius:20px;background:linear-gradient(160deg,#fff,#EEF3F2);box-shadow:0 10px 26px rgba(27,40,54,.10);display:grid;place-items:center}
.mark img{width:44px}
.mark.sm{width:38px;height:38px;border-radius:10px}
.mark.sm img{width:22px}
.tag{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;border-radius:10px;padding:12px 14px;box-shadow:0 6px 18px rgba(27,40,54,.06);line-height:1.5}
.tag b{display:block;font-size:13px;font-weight:500}
.tag small{display:block;font-size:12px;color:var(--muted)}
.tag .av{width:32px;height:32px;border-radius:50%;background:#EEF3F2;display:grid;place-items:center;flex:none}
.tag .av svg{width:16px;height:16px;fill:none;stroke:var(--ink-2);stroke-width:1.6}
.tag .ok{margin-left:auto;width:14px;height:14px;border-radius:50%;background:var(--ok);flex:none}
.page{position:absolute;width:80px;height:150px;background:#fff;border:1px solid #E3E0D8;border-radius:3px;padding:12px 8px}
.page i,.note i{display:block;height:3px;background:#E3E6EA;border-radius:2px;margin-bottom:7px}
.vline{position:absolute;width:2px;background:#A8CFC4}
.note{position:absolute;background:#fff;border-radius:8px;padding:10px 12px;box-shadow:0 6px 18px rgba(27,40,54,.06)}
.note small{display:block;font-size:10px;color:var(--muted);margin-bottom:8px}
.note i{height:6px;margin-bottom:6px}
.cal{position:absolute;width:120px;background:#fff;border-radius:6px;padding:8px;display:grid;grid-template-columns:repeat(5,1fr);gap:3px;box-shadow:0 6px 18px rgba(27,40,54,.06)}
.cal b{grid-column:1/-1;height:8px;background:#E3E6EA;border-radius:2px;margin-bottom:3px;width:50%}
.cal i{height:16px;background:#D5EAE2;border-radius:2px}
.cal i.x{background:#F1B9A9}
.quote-line{text-align:center;padding-top:72px;font-size:30px;font-weight:300;letter-spacing:-.02em;line-height:1.5}
.quote-line span{color:var(--faint)}

/* ---------- values ---------- */
.values{background:var(--paper-2);border-bottom:1px solid var(--line)}
.values .w{display:grid;grid-template-columns:400px 1fr;gap:80px;padding:96px 0}
.values .h2{font-size:48px}
.v-lead{margin-top:16px;color:var(--body);font-size:17px;line-height:1.6;max-width:340px}
.stats{margin-top:56px;display:grid;gap:22px}
.stats li{border-left:2px solid #D9D3CA;padding-left:18px}
.stats b{display:block;font-family:var(--num);font-size:30px;font-weight:200;letter-spacing:-.01em;line-height:1.2}
.stats span{font-size:14px;color:var(--muted)}
.v-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px 56px;align-content:start}
.orb{width:104px;height:104px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#fff 0%,#FBF4EE 45%,#F3DDCD 100%)}
.orb svg.i{width:50px;height:50px;stroke-width:1.5}
.v-grid h3{margin-top:24px;font-size:22px;font-weight:400;letter-spacing:-.01em}
.v-grid p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.7;max-width:320px}

/* ---------- scenarios ---------- */
.tabs{margin:40px auto 0;display:flex;justify-content:center;gap:6px;padding:6px;border:1px solid var(--line);border-radius:999px;width:max-content;max-width:100%;overflow-x:auto}
.tabs{scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{padding:10px 22px;border-radius:999px;font-size:15px;color:var(--muted);background:transparent;border:0;cursor:pointer;font-family:inherit;white-space:nowrap;transition:background-color .25s,color .25s}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected="true"]{background:var(--ink);color:#fff}
.stage{margin-top:32px;min-height:480px;border-radius:28px;background:linear-gradient(135deg,var(--paper-2) 0%,#EEF2F6 100%);display:grid;grid-template-columns:420px 1fr;overflow:hidden;border:1px solid var(--line)}
.stage-tx{padding:56px 0 48px 56px;display:flex;flex-direction:column}
.stage-tx h3{font-size:30px;font-weight:200;line-height:1.3;letter-spacing:-.01em}
.stage-tx p{margin-top:18px;font-size:16px;line-height:1.7;color:var(--body)}
.stage-tx ul{margin-top:24px;display:grid;gap:12px}
.stage-tx li{display:flex;gap:12px;align-items:center;font-size:15px;color:var(--ink-2)}
.stage-tx li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.fit{margin-top:auto;padding-top:24px;font-size:14px;color:var(--muted)}
.fit b{font-weight:500;color:var(--accent)}
.stage-art{position:relative;min-height:400px}
.flow{position:absolute;left:50%;top:50%;width:620px;height:400px;transform:translate(-50%,-50%)}
.scene-visual{position:absolute;inset:0}
.demo-caption{position:absolute;left:38px;top:22px;font-size:12px;color:var(--muted)}
.demo-links{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#CFD4DA;stroke-width:1.5}
.demo-links .demo-link-pulse{stroke:var(--accent);stroke-width:3;stroke-dasharray:14 100;stroke-dashoffset:14;opacity:0}
.demo-tag{display:inline-flex;padding:3px 8px;border-radius:6px;font-size:10px;line-height:1.4;color:var(--muted);background:#F2F4F6;white-space:nowrap}
.demo-tag.warm{color:#B85A2C;background:var(--accent-soft)}
.demo-tag.green{color:#2A7751;background:#EAF5EE}
.lead-sources,.crm-sources{position:absolute;left:30px;top:82px;width:145px;display:grid;gap:16px}
.lead-sources>span,.crm-sources>span{padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:13px;line-height:1.4}
.lead-sources small,.crm-sources small{display:block;margin-top:4px;color:var(--muted);font-size:10px}
.lead-board{position:absolute;left:230px;top:62px;width:360px;padding:18px 14px;background:#fff;border:1px solid var(--line);border-radius:14px}
.demo-heading{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:500}
.demo-heading>span{font-size:10px;font-weight:400;color:var(--muted)}
.lead-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:22px}
.lead-columns h4{font-size:11px;font-weight:400;color:var(--muted);margin-bottom:10px}
.lead-columns article{padding:12px 8px;background:#F8F9FA;border:1px solid var(--line-2);border-radius:8px}
.lead-columns b{display:block;font-size:11px;font-weight:500}
.lead-columns p{font-size:10px;color:var(--muted);margin:7px 0 14px}
.lead-reminder{margin-top:24px;padding:12px 0 0;border-top:1px solid var(--line-2);font-size:11px;color:var(--body);display:flex;align-items:center;gap:8px}
.reminder-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.trade-mail{position:absolute;left:50px;top:56px;width:520px;display:flex;align-items:center;gap:14px;padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:12px}
.mail-symbol{width:36px;height:36px;display:grid;place-items:center;font-size:22px;color:var(--accent);background:var(--accent-soft);border-radius:9px}
.trade-mail b{display:block;font-size:13px;font-weight:500}.trade-mail p{font-size:11px;color:var(--muted);margin-top:3px}.trade-mail>.demo-tag{margin-left:auto}
.trade-docs{position:absolute;left:50px;top:146px;right:50px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.trade-docs article{padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:12px}
.doc-label{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}.trade-docs b{font-size:14px;font-weight:500}
.doc-line{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin-top:10px}.trade-docs p{font-size:11px;color:var(--muted);margin:10px 0}
.order-track{position:absolute;left:80px;right:80px;top:320px;display:flex;justify-content:space-between}
.order-track-line{position:absolute;left:24px;right:24px;top:7px;height:1px;background:#CFD4DA}
.order-step{position:relative;min-width:60px;text-align:center}.order-dot{position:relative;display:block;width:14px;height:14px;margin:0 auto 8px;border-radius:50%;background:#fff;border:2px solid #BCC7D0}.order-step b{display:block;font-size:12px;font-weight:500}.order-step small{display:block;font-size:10px;color:var(--muted)}
.crm-sources{top:90px;width:155px;gap:18px}
.customer-profile{position:absolute;left:248px;top:62px;width:330px;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:#fff}
.profile-header{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line-2);padding-bottom:16px}.profile-header svg{width:30px;height:30px;fill:none;stroke:var(--ink-2);stroke-width:1.5}.profile-header b{display:block;font-size:15px;font-weight:500}.profile-header small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.profile-check{margin-left:auto;color:var(--ok);font-size:16px}
.profile-field{display:flex;justify-content:space-between;margin-top:18px;font-size:11px}.profile-field>span{color:var(--muted)}.profile-field b{font-weight:400;color:var(--ink-2)}.profile-tags{display:flex;gap:6px;margin-top:18px}
.profile-reminder{display:flex;align-items:center;gap:10px;margin-top:20px;background:var(--accent-soft);border-radius:8px;padding:10px 12px}.profile-reminder b{display:block;font-size:11px;font-weight:500}.profile-reminder small{display:block;font-size:10px;color:var(--body)}
@media (prefers-reduced-motion:no-preference){
  .flow.has-motion .demo-arrive{animation:scene-arrive 8s ease-out var(--demo-delay,0s) infinite both paused}
  .flow.has-motion .demo-reminder{animation:scene-reminder 8s ease-out infinite both paused}
  .flow.has-motion .demo-link-pulse{animation:flow-input 8s linear infinite paused}
  .flow.has-motion .order-dot{animation:order-progress 8s ease-in-out var(--demo-delay,0s) infinite paused}
  .flow.has-motion.is-playing :is(.demo-arrive,.demo-reminder,.demo-link-pulse,.order-dot){animation-play-state:running}
}
@keyframes scene-arrive{0%,8%{opacity:.3;transform:translateY(8px)}22%,78%{opacity:1;transform:translateY(0)}94%,100%{opacity:.3;transform:translateY(8px)}}
@keyframes scene-reminder{0%,48%{opacity:.25}58%,82%{opacity:1}96%,100%{opacity:.25}}
@keyframes order-progress{0%,18%,85%,100%{background:#fff;border-color:#BCC7D0}30%,65%{background:var(--accent);border-color:var(--accent)}}
.flow .wires{position:absolute;inset:0}
.flow .wires path{fill:none;stroke-width:1.5}
.src,.out{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(27,40,54,.08);padding:14px 16px;line-height:1.5}
.src{left:40px;top:120px;width:190px}
.src b,.out b{display:block;font-size:13px;font-weight:500}
.src i,.out i{display:block;height:6px;border-radius:3px;background:var(--line-2);margin-top:8px}
.src .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chip{display:inline-flex;align-items:center;font-size:12px;border:1px solid var(--line);border-radius:999px;padding:1px 10px;color:var(--muted);background:#fff}
.chip.a{border-color:rgba(233,125,67,.35);color:var(--accent);background:var(--accent-soft)}
.core{position:absolute;left:282px;top:166px;width:68px;height:68px;border-radius:20px;background:#1F2D3A;color:#fff;display:grid;place-items:center;font-family:var(--num);font-size:18px;font-weight:300;box-shadow:0 12px 30px rgba(31,45,58,.25)}
.out{left:400px;width:200px}
.out.on{border-color:rgba(233,125,67,.5)}
.out .chip{margin-top:10px}

/* 卡片内部循环演示：资料输入 → AI 处理 → 依次生成，8 秒一轮。 */
.flow .wires .flow-signal{stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-dasharray:12 100;stroke-dashoffset:12;opacity:0}
@media (prefers-reduced-motion:no-preference){
  .flow.has-motion .src{animation:flow-source 8s ease-in-out infinite paused}
  .flow.has-motion .core{animation:flow-process 8s ease-in-out infinite paused}
  .flow.has-motion .flow-signal-in{animation:flow-input 8s linear infinite paused}
  .flow.has-motion .flow-signal-out{animation:flow-output 8s linear var(--flow-delay,0s) infinite paused}
  .flow.has-motion .out{animation:flow-result 8s ease-out var(--flow-delay,0s) infinite both paused}
  .flow.has-motion .out i{transform-origin:left center;animation:flow-writing 8s ease-out var(--flow-delay,0s) infinite both paused}
  .flow.has-motion .out .chip{animation:flow-status 8s ease-out var(--flow-delay,0s) infinite both paused}
  .flow.has-motion.is-playing :is(.src,.core,.flow-signal,.out,.out i,.out .chip){animation-play-state:running}
}
@keyframes flow-source{0%,8%,28%,100%{transform:translateY(0)}16%,22%{transform:translateY(-4px)}}
@keyframes flow-input{0%,8%{opacity:0;stroke-dashoffset:12}9%{opacity:1;stroke-dashoffset:12}22%{opacity:1;stroke-dashoffset:-100}23%,100%{opacity:0;stroke-dashoffset:-100}}
@keyframes flow-process{0%,20%,48%,100%{transform:scale(1);background:#1F2D3A}28%,36%{transform:scale(1.06);background:#38516A}}
@keyframes flow-output{0%,36%{opacity:0;stroke-dashoffset:12}37%{opacity:1;stroke-dashoffset:12}49%{opacity:1;stroke-dashoffset:-100}50%,100%{opacity:0;stroke-dashoffset:-100}}
@keyframes flow-result{0%,39%{opacity:.3;transform:translateY(8px)}51%,85%{opacity:1;transform:translateY(0)}96%,100%{opacity:.3;transform:translateY(8px)}}
@keyframes flow-writing{0%,47%{transform:scaleX(.08);opacity:.4}62%,85%{transform:scaleX(1);opacity:1}96%,100%{transform:scaleX(.08);opacity:.4}}
@keyframes flow-status{0%,61%{opacity:0;transform:translateY(4px)}70%,85%{opacity:1;transform:translateY(0)}96%,100%{opacity:0;transform:translateY(4px)}}
.stage [hidden]{display:none}
.stage-tx.fade-in{animation:fadeIn .45s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 近期培训：横向轮播（中间大卡，两侧露出相邻卡片；滚轮 / 滑动 / 圆点 / 方向键切换） ---------- */
.case-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--ink);padding-bottom:6px;white-space:nowrap;transition:color .2s}
.case-more svg{width:16px;height:16px;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.case-more:hover{color:var(--accent)}
/* 近期培训：通栏自动滚动。整行持续向右漂移；鼠标指到卡片上，整行暂停，这张卡片上浮并显示文字介绍。 */
.spot-track{overflow:hidden;padding:84px 0 6px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.spot-rail{display:flex;width:max-content;animation:spot-drift 70s linear infinite}
.spot-track:hover .spot-rail,.spot-track:focus-within .spot-rail,.spot-track.is-paused .spot-rail{animation-play-state:paused}
@keyframes spot-drift{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.spot-card{flex:0 0 380px;margin-right:22px;position:relative;display:flex;flex-direction:column;transition:transform .45s cubic-bezier(.22,.8,.3,1)}
.spot-card:hover,.spot-card:focus-within,.spot-card.is-active{transform:translateY(-26px)}
.spot-img{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#E8EEF5;box-shadow:0 10px 30px rgba(27,40,54,.08);transition:box-shadow .45s}
.spot-card:hover .spot-img,.spot-card:focus-within .spot-img,.spot-card.is-active .spot-img{box-shadow:0 22px 48px rgba(27,40,54,.16)}
.spot-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.spot-body{display:flex;flex-direction:column;gap:8px;min-height:116px;text-align:left;padding:14px 2px 0;opacity:0;transform:translateY(-8px);transition:opacity .35s,transform .35s}
.spot-card:hover .spot-body,.spot-card:focus-within .spot-body,.spot-card.is-active .spot-body{opacity:1;transform:none}
/* 说明条：左边序号 + 标题，右边类型；下一行左边机构、右边链接，左右两端都有内容 */
.spot-row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.spot-title{display:flex;align-items:center;gap:10px;min-width:0}
.spot-title b{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-family:var(--num);font-size:11px;font-weight:400;letter-spacing:.02em}
.spot-title h3{min-width:0;font-size:16px;font-weight:400;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.spot-tag{flex:none;display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--muted)}
.spot-tag svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.spot-row2{font-size:13px}
.spot-org{min-width:0;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.spot-body p{font-size:13px;line-height:1.65;color:var(--muted)}
.spot-link{flex:none;display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink);transition:color .2s}
.spot-link svg{width:14px;height:14px;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.spot-link:hover{color:var(--accent)}
.spot-link:hover svg{transform:translateX(3px)}
@media(max-width:700px){.spot-card{flex-basis:270px;margin-right:14px}.spot-rail{animation-duration:55s}.case-more{display:none}}
/* 减少动态效果：不自动滚动，改成可手动横向滑动，隐藏复制出来的卡片 */
@media(prefers-reduced-motion:reduce){.spot-track{overflow-x:auto;-webkit-mask-image:none;mask-image:none}.spot-rail{animation:none}.spot-card[aria-hidden="true"]{display:none}.spot-body{opacity:1;transform:none}}

/* ---------- price list ---------- */
.list-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:40px}
.list-head .btn-lg{height:52px;padding:0 28px;font-size:16px;flex:none}
.plist{border-top:1px solid var(--ink)}
.pr{display:grid;grid-template-columns:72px 80px 280px 1fr 200px;align-items:center;gap:24px;padding:30px 24px;border-bottom:1px solid var(--line)}
.steps5{display:flex;align-items:flex-end;gap:3px;height:32px}
.steps5 i{width:8px;border-radius:2px;background:var(--line)}
.steps5 i:nth-child(1){height:20%}.steps5 i:nth-child(2){height:40%}.steps5 i:nth-child(3){height:60%}.steps5 i:nth-child(4){height:80%}.steps5 i:nth-child(5){height:100%}
.steps5 i.on{background:var(--ink-2)}
.lvn{font-family:var(--num);font-size:40px;font-weight:200;color:var(--faint);letter-spacing:-.02em;line-height:1}
.nm h3{font-size:24px;font-weight:300;letter-spacing:-.01em;display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px}
.nm h3 em{font-style:normal;font-size:12px;font-weight:400;color:var(--accent);border:1px solid rgba(233,125,67,.4);border-radius:999px;padding:1px 10px;line-height:1.6}
.nm span{font-size:14px;color:var(--muted)}
.pr p{font-size:14px;color:var(--muted);line-height:1.7}
.pp{text-align:right;font-family:var(--num);font-size:22px;font-weight:300;letter-spacing:-.01em;line-height:1.3}
.pp small{display:block;font-family:var(--sans);font-size:12px;color:var(--faint)}
.pr.hl{background:linear-gradient(90deg,rgba(233,125,67,.08),rgba(233,125,67,0) 70%);box-shadow:inset 3px 0 0 var(--accent)}
.pr.hl .lvn{color:var(--accent)}
.pr.hl .steps5 i.on{background:var(--accent)}

/* ---------- host ---------- */
.host{display:grid;grid-template-columns:.85fr 1.15fr;border-radius:4px;overflow:hidden}
.host-ph{background:#F2F2F0}
.host-ph img{width:100%;height:100%;object-fit:cover;object-position:62% 40%}
.host-tx{background:#fffdf7;padding:44px 52px 40px;display:flex;flex-direction:column}
.roles{padding-top:24px;font-size:24px;line-height:1.5;font-weight:200}
.roles li{color:rgba(27,40,54,.32)}
.roles li.on{color:var(--ink)}
.host-tx hr{border:0;border-top:1px solid rgba(27,40,54,.12);margin:22px 0}
.host-tx p{font-size:15px;line-height:1.7;color:var(--body);max-width:560px}.host-tx p+p{margin-top:10px}
.host-tx p.q{margin-top:14px;color:var(--muted)}
.host-tx .btn{margin-top:24px;align-self:flex-start;height:50px;padding:0 28px;font-size:16px}

/* ---------- brands ---------- */
.logo-row{margin-top:48px;display:grid;grid-template-columns:repeat(7,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.logo-row>div{height:84px;display:grid;place-items:center;border-left:1px solid var(--line);font-size:15px;font-weight:500;color:#AEB6BF}
.logo-row>div:first-child{border-left:0}
.logo-row img{max-height:26px;max-width:120px;width:auto;opacity:.75}
.logo-row.row2{margin-top:0;border-top:0}
.logo-row.eco{grid-template-columns:repeat(6,1fr);margin-top:20px}
.sub-h{margin-top:64px;font-size:20px;font-weight:500;color:var(--ink-2)}

/* ---------- contact ---------- */
.cta{margin-top:120px;border-top:1px solid var(--line);background:#F7F7F6}
.cta .w{display:grid;grid-template-columns:1fr 440px;gap:80px;padding:96px 0}
.cta p{margin-top:16px;color:var(--muted)}
.promise{margin-top:36px;display:grid;gap:14px}
.promise li{display:flex;gap:12px;align-items:center;font-size:15px;color:var(--ink-2)}
.promise .ico{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;flex:none}
.promise svg.i{width:18px;height:18px}
.form{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px}
.form label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;margin-bottom:16px;padding:0 14px;font:inherit;font-size:15px;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;appearance:none}
.form textarea{height:84px;padding:10px 14px;resize:vertical;line-height:1.6}
.form select{background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B7B8C' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 14px center}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,125,67,.15)}
.form input:user-invalid{border-color:#D9534F}
.form .btn{width:100%;height:54px;font-size:17px;margin-top:4px}
.form-note{margin-top:12px;font-size:13px;color:var(--muted);min-height:20px}
.form-note.ok{color:var(--ok)}
.form-note.err{color:#C0392B}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:var(--off)}
footer .w{padding:72px 0 48px}
.f-top{display:flex;justify-content:space-between;align-items:flex-start;gap:32px}
.f-brand img{height:34px;width:auto}
.f-col{display:flex;flex-direction:column;align-items:flex-start;gap:8px;font-size:15px}
.f-col a:hover{color:var(--accent)}
.f-col span:not(.f-h){color:var(--body)}
.f-h{font-size:13px;color:var(--faint);margin-bottom:6px}
.f-brand p{margin-top:10px;font-size:14px;color:var(--body);line-height:1.6}
.f-brand img+p{margin-top:18px}
.f-bot{margin-top:96px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
@media(max-width:960px){.f-top{flex-direction:column;flex-wrap:wrap}.f-bot{margin-top:56px}}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .gh{width:calc(100% - 48px)}
  .pr{grid-template-columns:56px 64px 220px 1fr 170px;gap:18px}
  .values .w{grid-template-columns:320px 1fr;gap:56px}
  .flow{transform:translate(-50%,-50%) scale(.86)}
}
@media (max-width:960px){
  :root{--header:68px}
  .gh{width:calc(100% - 24px);padding-top:8px}
  .gh-bar{height:56px;padding:0 6px 0 18px}
  .gh-logo img{height:22px}
  .gh-cta{display:none}
  .gh-menu{display:grid}
  .gh-nav{position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;gap:0;padding:8px;border-radius:24px;
    background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(27,40,54,.08);box-shadow:0 16px 40px rgba(27,40,54,.10);
    opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .3s,transform .3s,visibility 0s .3s}
  .gh.is-open .gh-nav{opacity:1;visibility:visible;transform:none;transition:opacity .3s,transform .3s}
  .gh-nav a{display:block;padding:14px 16px;font-size:16px;border-radius:14px}
  .gh-nav a:active{background:rgba(27,40,54,.05)}
  .gh-nav .m-only{display:block}
  .h2{font-size:38px}
  .sec{padding-top:88px}
  .hero{height:auto;display:flex;flex-direction:column}
  .hero-img{order:2;position:relative;margin-top:-12px;height:360px}
  .hero-img>img,.hero-front{position:absolute;inset:0;transform:none;width:100%;height:360px;object-fit:cover;object-position:74% 60%;
    -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 26%);mask-image:linear-gradient(180deg,transparent 0,#000 26%);-webkit-mask-composite:source-over;mask-composite:add}
  .hero-front img{object-fit:cover;object-position:74% 60%}
  .hero::before{display:none}
  .hero::after{height:90px}
  .hero-copy{order:1;padding-top:120px}
  .hero h1{font-size:44px}
  .hero-copy p{font-size:16px}
  .hero-copy p br{display:none}
  .trio{padding:88px 0}
  .trio-cards{grid-template-columns:1fr;gap:12px;margin-top:84px}
  .peek-robot{width:104px;left:calc(50% - 52px);bottom:calc(100% - 33px)}
  .tc{min-height:0}
  .tc h3{margin-top:12px}
  .quote-line{font-size:24px;padding-top:56px}
  .values .w{grid-template-columns:1fr;gap:56px;padding:80px 0}
  .values .h2{font-size:38px}
  .stats{grid-template-columns:1fr 1fr;margin-top:36px}
  .v-grid{gap:48px 32px}
  .stage{grid-template-columns:1fr}
  .stage-tx{padding:40px 32px 8px}
  .stage-art{min-height:360px}
  .flow{transform:translate(-50%,-50%) scale(.72)}
  .list-head{flex-direction:column;align-items:flex-start}
  .pr{grid-template-columns:44px 1fr auto;grid-template-areas:"s nm pp" "s p p";gap:8px 16px;padding:24px 16px}
  .pr .steps5{grid-area:s;align-self:start;margin-top:6px}
  .pr .lvn{display:none}
  .pr .nm{grid-area:nm}
  .pr p{grid-area:p}
  .pr .pp{grid-area:pp;align-self:start}
  .host{grid-template-columns:1fr}
  .host-ph{aspect-ratio:4/3}
  .host-tx{padding:40px 32px}
  .roles{padding-top:28px;font-size:24px}
  .logo-row{grid-template-columns:repeat(4,1fr);-webkit-mask-image:none;mask-image:none}
  .logo-row>div:nth-child(n+5){display:none}
  .logo-row.eco{grid-template-columns:repeat(3,1fr)}
  .logo-row.eco>div{display:grid}
  .logo-row.eco>div:nth-child(4){border-left:0}
  .logo-row.eco>div:nth-child(n+4){border-top:1px solid var(--line)}
  .cta .w{grid-template-columns:1fr;gap:40px;padding:80px 0}
}
@media (max-width:560px){
  :root{--gutter:20px}
  .h2,.values .h2{font-size:32px}
  .lead{font-size:16px}
  .hero h1{font-size:36px}
  .btn-lg{height:52px;padding:0 26px;font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .stats{grid-template-columns:1fr 1fr}
  .stats b{font-size:26px}
  .v-grid{grid-template-columns:1fr}
  .orb{width:84px;height:84px}
  .orb svg.i{width:40px;height:40px}
  .tabs{justify-content:flex-start;margin-left:0}
  .stage-tx{padding:32px 24px 0}
  .stage-tx h3{font-size:28px}
  .stage-art{min-height:300px}
  .flow{transform:translate(-50%,-50%) scale(.54)}
  .pr{grid-template-columns:36px 1fr;grid-template-areas:"s nm" "s pp" "s p"}
  .pr .pp{text-align:left;font-size:19px}
  .nm h3{font-size:21px}
  .roles{font-size:21px}
  .logo-row{grid-template-columns:repeat(3,1fr)}
  .logo-row>div:nth-child(n+4){display:none}
  .logo-row.eco>div:nth-child(n+4){display:grid}
  .form{padding:22px}
}
.m-only{display:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:0s!important;animation:none!important}
}

/* ---------- 文案 v3 新增 ---------- */
.pill-plain{padding:5px 16px}
.stage-how{margin-top:26px;display:grid;gap:18px}
.stage-how dt{font-size:13px;color:var(--faint);letter-spacing:.04em}
.stage-how dd{margin-top:4px;font-size:16px;line-height:1.7;color:var(--ink-2)}
.stage-how .chip{margin:4px 8px 0 0}
.stage-tx .fit{margin-top:28px}
/* 阶梯：适合 / 交付 / 成果 */
.nm .for{display:block;margin-top:6px;font-size:13px;color:var(--faint);line-height:1.6}
.pr p .ln{display:block}
.pr p .ln+.ln{margin-top:6px}
.pr p b{font-weight:400;font-size:13px;color:var(--faint);margin-right:10px}
/* 主理人：社会职务 */
.posts{margin-top:18px;max-width:560px;font-size:13px;line-height:1.6;color:var(--muted)}
.posts>span{display:block;color:var(--faint);margin-bottom:6px}
.posts li{padding-left:12px;position:relative}
.posts li::before{content:"";position:absolute;left:0;top:.75em;width:4px;height:4px;border-radius:50%;background:#C9C3B8}
/* 服务过的企业：行业版 */
.industry-row{margin-top:36px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.industry-row span{padding:8px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:15px;color:var(--ink-2)}
.eco-list{max-width:760px;margin:24px auto 0;border-top:1px solid var(--line);text-align:left}
.eco-row{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:baseline;padding:20px 8px;border-bottom:1px solid var(--line)}
.eco-row b{font-size:14px;font-weight:400;color:var(--muted)}
.eco-row span{font-size:17px;font-weight:300;color:var(--ink-2)}
/* 预约：三条好处 */
.promise li b{font-weight:500}
/* 页脚 */
@media(max-width:960px){.eco-row{grid-template-columns:110px 1fr;gap:16px}}
@media(max-width:560px){.eco-row{grid-template-columns:1fr;gap:4px}.industry-row span{padding:7px 16px;font-size:14px}}
/* 961–1120px：三张卡片的插图宽 312px，放不下三列，改成单列，避免页面出现横向滚动条。 */
@media(min-width:961px) and (max-width:1120px){
  .trio-cards{grid-template-columns:1fr;gap:12px;margin-top:84px}
  .tc{min-height:0}
  .tc h3{margin-top:12px}
  .peek-robot{width:104px;left:calc(50% - 52px);bottom:calc(100% - 33px)}
}

/* 蜜罐输入框：真人看不见也点不到，机器人会填。 */
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}