/* 半人马AI 公司首页 · 2026-10-29 改版
   版式概念：一张展开的折纸说明书——暖白纸面、虚线折痕、橙色只标记“人”的那一半。
   注：保留 company-header / company-brand / company-footer / wrap / error-main 等类名，404 等共用页面无需改动即可继续使用。 */
/* 自托管中文衬线字体子集（Noto Serif SC，SIL OFL 1.1），仅包含页面用到的字符；改文案后需重新生成，见 tools/subset-serif.py */
@font-face{font-family:"CentaurAI Serif";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/centaur-serif-500.woff2?v=20261029-company-copy") format("woff2")}
@font-face{font-family:"CentaurAI Serif";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/centaur-serif-600.woff2?v=20261029-company-copy") format("woff2")}
@font-face{font-family:"CentaurAI Serif";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/centaur-serif-700.woff2?v=20261029-company-copy") format("woff2")}
:root{
  --paper:#FAF9F5;      /* 纸面 */
  --pampas:#F0EEE6;     /* 次级纸面 */
  --sheet:#F4F1E9;      /* 折纸说明卡 */
  --ink:#141413;        /* 正文墨色 */
  --muted:#5E5D59;      /* 次要文字 */
  --faint:#86827A;      /* 注释 */
  --line:#E3DFD5;       /* 细线 */
  --crease:#CBC4B6;     /* 折痕虚线 */
  --orange:#C15F3C;     /* 品牌橙：人 */
  --orange-soft:#E8A38A;/* 深色底上的橙 */
  --slate:#4F6A8E;      /* 折纸蓝：AI，仅点缀 */
  --night:#22211F;      /* 联系区底色 */
  --night-text:#D3CFC4;
  --serif:"CentaurAI Serif","Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --gutter:clamp(20px,4vw,48px);
  --header-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
  color-scheme:light;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button{font:inherit;color:inherit}
figure,p{margin:0}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;text-wrap:balance}
a,button{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{outline:2px solid var(--orange);outline-offset:4px;border-radius:4px}
.wrap{max-width:1280px;margin-inline:auto;padding-left:max(var(--gutter),env(safe-area-inset-left,0px));padding-right:max(var(--gutter),env(safe-area-inset-right,0px))}
.skip-link{position:fixed;top:-80px;left:16px;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:100;border-radius:8px}
.skip-link:focus{top:12px}

/* 通用文字 */
.keep{word-break:keep-all;overflow-wrap:anywhere}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;letter-spacing:.14em;color:var(--orange);margin-bottom:22px}
.eyebrow::before{content:"";width:22px;border-top:1px dashed currentColor}
.overline{font-size:12px;letter-spacing:.12em;color:var(--faint)}
h2{font-size:clamp(28px,3.2vw,44px);line-height:1.45;letter-spacing:-.02em}
.section{padding-block:clamp(72px,9vw,128px)}

/* 按钮 */
.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:50px;padding:10px 24px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:500;line-height:1.2;transition:background-color .25s,border-color .25s,color .25s,transform .25s var(--ease)}
.button:hover{transform:translateY(-2px)}
.button-icon{transition:transform .25s var(--ease)}
.button.dark{background:var(--ink);color:var(--paper)}
.button.dark:hover{background:#34332F}
.button.dark:hover .button-icon{transform:translateY(2px)}
.button.outline{border-color:#BDB6A9;color:var(--ink)}
.button.outline:hover{border-color:var(--ink);background:var(--pampas)}
.button.light{background:var(--paper);color:var(--ink)}
.button.light:hover{background:#FFFFFF}
.button.light:hover .button-icon{transform:translate(2px,-2px)}

/* 页眉 */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--paper)}
.company-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(250,249,245,.9);-webkit-backdrop-filter:saturate(1.2) blur(14px);backdrop-filter:saturate(1.2) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,background-color .3s}
.company-header.is-scrolled{border-bottom-color:var(--line);background:rgba(250,249,245,.96)}
.header-inner{min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:28px}
.company-brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.company-brand img{width:30px;height:40px;object-fit:contain}
.company-brand>span{display:grid;gap:2px;line-height:1.15}
.company-brand b{font:700 20px/1.2 var(--serif);letter-spacing:.01em}
.company-brand small{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.company-nav{display:flex;align-items:center;gap:clamp(20px,3vw,40px);font-size:14px}
.company-nav a{position:relative;padding-block:10px;color:var(--muted);transition:color .2s}
.company-nav a::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:1px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.company-nav a:hover,.company-nav a.is-active{color:var(--ink)}
.company-nav a:hover::after,.company-nav a.is-active::after{transform:scaleX(1)}
.menu-toggle{display:none}

/* 首屏 */
.hero{position:relative}
.hero-stage{position:relative;overflow:hidden}
.hero-inner{position:relative;z-index:1;min-height:clamp(540px,46vw,660px);display:flex;align-items:center;padding-block:clamp(48px,6vw,88px) clamp(56px,6vw,96px)}
.hero-copy{max-width:600px}
.hero-kicker{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.08em;color:var(--muted);margin-bottom:clamp(24px,3vw,36px)}
.kicker-mark{width:14px;height:14px;background:var(--orange);clip-path:polygon(0 0,100% 0,0 100%);flex-shrink:0}
.kicker-sep{margin-inline:.7em;color:var(--orange)}
.hero h1{font-size:clamp(42px,5.5vw,80px);font-weight:700;line-height:1.22;letter-spacing:-.025em}
.hero h1 .line{display:block}
.hero h1 .line-ai{color:var(--orange)}
.hero-lead{margin-top:clamp(24px,2.6vw,34px);font-family:var(--serif);font-size:clamp(19px,1.6vw,22px);font-weight:500;line-height:1.6}
.hero-description{margin-top:10px;font-size:16px;line-height:1.95;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(28px,3vw,40px)}
.hero-art{position:absolute;inset:0 0 0 auto;width:min(70vw,1240px);margin:0;z-index:0;pointer-events:none}
.hero-art img{width:100%;height:100%;object-fit:cover;object-position:100% 100%;mix-blend-mode:multiply;-webkit-mask-image:linear-gradient(to right,transparent 0,#000 30%),linear-gradient(to bottom,transparent 0,#000 14%);-webkit-mask-composite:source-in;mask-image:linear-gradient(to right,transparent 0,#000 30%),linear-gradient(to bottom,transparent 0,#000 14%);mask-composite:intersect}

/* 首屏业务入口：沿“谷折线”展开 */
.hero-entries{display:grid;grid-template-columns:minmax(120px,.7fr) 1fr 1fr;border-top:1px dashed var(--crease)}
.entries-label{padding:26px 0;font-size:12px;letter-spacing:.14em;color:var(--faint)}
.entry{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:22px 4px 24px 28px;border-left:1px dashed var(--crease);transition:background-color .3s}
.entry-tag{font-size:12px;letter-spacing:.1em;color:var(--orange);border:1px solid rgba(193,95,60,.35);border-radius:999px;padding:2px 10px;line-height:1.6}
.entry-name{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:10px;font:600 21px/1.4 var(--serif)}
.entry-name small{font:400 12px/1.4 var(--sans);letter-spacing:.06em;color:var(--faint)}
.entry-arrow{font-size:20px;color:var(--orange);padding-right:12px;transition:transform .3s var(--ease)}
.entry:hover{background:linear-gradient(to bottom,var(--pampas),rgba(240,238,230,0))}
.entry:hover .entry-arrow{transform:translate(3px,-3px)}

/* 公司简介 */
.about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,7vw,112px);align-items:center}
.mark-diagram{max-width:440px;width:100%}
.mark-sheet{position:relative;display:flex;flex-direction:column;background:var(--sheet);border-radius:4px;box-shadow:0 1px 0 rgba(20,20,19,.03),0 28px 48px -38px rgba(20,20,19,.38);overflow:hidden}
.mark-sheet::before{content:"";position:absolute;top:0;right:0;width:46px;height:46px;background:linear-gradient(225deg,var(--paper) 0 50%,#E6E1D5 50% 100%);box-shadow:-3px 3px 6px -4px rgba(20,20,19,.18);z-index:1}
.sheet-head{display:flex;justify-content:space-between;gap:16px;padding:22px 64px 0 28px;font-size:11px;letter-spacing:.16em;color:var(--faint)}
.sheet-body{position:relative;aspect-ratio:400/320;margin-top:6px}
.sheet-body::after{content:"";position:absolute;left:12%;top:86%;width:44%;height:7%;border-radius:50%;background:radial-gradient(closest-side,rgba(20,20,19,.12),rgba(20,20,19,0));z-index:0}
.mark-lines{position:absolute;inset:0;width:100%;height:100%;z-index:2}
.leader{stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke;opacity:.28}
.leader.human{stroke:var(--orange);opacity:.75}
.leader-dot{stroke:var(--sheet);stroke-width:2;vector-effect:non-scaling-stroke}
.leader-dot.human{fill:var(--orange)}
.leader-dot.ai{fill:var(--slate)}
.sheet-body img{position:absolute;left:10%;top:4%;width:auto;height:84%;z-index:1}
.callout{position:absolute;left:67.5%;transform:translateY(-50%);display:grid;gap:4px;font-size:13px;line-height:1.4;color:var(--muted);white-space:nowrap;z-index:2}
.callout-key{display:flex;align-items:baseline;gap:8px}
.callout b{font:700 30px/1.05 var(--serif);color:var(--orange)}
.callout em{font-style:normal;font-size:12px;letter-spacing:.14em;padding:1px 7px;border-radius:999px;background:var(--orange);color:var(--paper)}
.callout-ai{font-size:12px}
.callout-ai b{font-size:19px;font-weight:600;color:var(--slate)}
.callout-ai em{font-size:11px;background:transparent;color:var(--slate);border:1px solid rgba(79,106,142,.4);padding:0 6px}
.callout-human{top:23.1%}
.callout-ai{top:53.75%}
.sheet-foot{margin:0 28px;padding:16px 0 22px;border-top:1px dashed var(--crease);font:500 15px/1.6 var(--serif);color:var(--ink)}
.about-copy .about-lede{font-family:var(--serif);font-size:clamp(18px,1.55vw,21px);font-weight:500;line-height:1.85;color:var(--ink)}
.about-copy{display:grid;gap:16px;margin-top:28px;max-width:680px;font-size:16px;line-height:2;color:var(--muted)}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:44px 0 0}
.principles>div{position:relative;border-top:1px solid var(--line);padding-top:18px}
.principles>div::before{content:"";position:absolute;top:-1px;left:0;width:24px;height:1px;background:var(--orange)}
.principles dt{font-family:var(--serif);font-weight:600;font-size:17px;line-height:1.5}
.principles dd{margin:8px 0 0;font-size:14px;line-height:1.85;color:var(--muted)}

/* 旗下业务 */
.practice{background:var(--pampas)}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(32px,4vw,52px)}
.section-heading>p{color:var(--muted);font-size:15px;line-height:1.9;padding-bottom:8px;text-align:right}
.practice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.practice-card{display:flex;flex-direction:column;min-width:0;background:var(--paper);border:1px solid #E1DDD2;border-radius:22px;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.practice-card:hover{transform:translateY(-4px);box-shadow:0 26px 50px -36px rgba(20,20,19,.45)}
.practice-picture{position:relative;aspect-ratio:16/10;max-width:100%;overflow:hidden}
.practice-picture img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.practice-card:hover .practice-picture img{transform:scale(1.03)}
.card-product .practice-picture{background:radial-gradient(120% 90% at 50% 100%,#E6E2D8 0,#EFECE4 55%,#F3F1EA 100%)}
.card-product .practice-picture img{object-fit:contain;padding:9% 10% 6%;filter:drop-shadow(0 22px 20px rgba(20,20,19,.16))}
.card-academy .practice-picture{background:#E9E4D8}
.card-academy .practice-picture img{object-position:center 58%;filter:saturate(.78) sepia(.14) contrast(.95) brightness(1.04)}
.card-academy .practice-picture::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(193,95,60,.10),rgba(250,249,245,.06));pointer-events:none}
.practice-copy{display:flex;flex-direction:column;flex:1;padding:26px clamp(22px,2.6vw,34px) 28px}
.card-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;letter-spacing:.12em;color:var(--orange)}
.card-path{font-family:var(--mono);font-size:12px;letter-spacing:0;color:var(--faint)}
.practice-copy h3{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:12px;margin-top:10px;font-size:clamp(26px,2.4vw,32px);line-height:1.4}
.practice-copy h3 small{font:400 13px/1.4 var(--sans);letter-spacing:.06em;color:var(--faint)}
.card-sub{margin-top:6px;font:600 18px/1.5 var(--serif);color:var(--orange)}
.card-desc{margin-top:10px;margin-bottom:26px;max-width:440px;font-size:15px;line-height:1.9;color:var(--muted)}
.card-link{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:18px;border-top:1px dashed var(--crease);font-size:14px;color:var(--ink)}
.card-arrow{display:grid;place-items:center;width:38px;height:38px;border:1px solid #CFC8BA;border-radius:50%;color:var(--orange);font-size:16px;transition:background-color .3s,color .3s,border-color .3s,transform .3s var(--ease)}
.practice-card:hover .card-arrow{background:var(--orange);border-color:var(--orange);color:var(--paper);transform:rotate(0deg) translate(2px,-2px)}

/* 核心团队 */
.team-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:center}
.team-photo{margin-top:28px;overflow:hidden;border-radius:16px;background:var(--pampas)}
.team-photo img{display:block;width:100%;height:auto}
.team-description{word-break:normal;overflow-wrap:normal;line-break:strict}
.team-description{font-family:var(--serif);font-size:clamp(18px,1.6vw,21px);font-weight:500;line-height:1.85;max-width:520px}
.team-note{margin-top:14px;font-size:15px;line-height:1.9;color:var(--muted);max-width:480px}
.team-background{margin-top:clamp(28px,3vw,40px);padding-top:18px;border-top:1px dashed var(--crease);max-width:520px}
.company-names{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.company-names li{padding:4px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;line-height:1.7;color:var(--ink);background:var(--paper)}
.team-disclaimer{margin-top:12px;font-size:12px;line-height:1.8;color:var(--faint)}

/* 联系我们 */
.contact{position:relative;overflow:hidden;background:var(--night);color:var(--paper);padding-block:clamp(80px,9vw,128px)}
.contact-sun{position:absolute;right:max(2%,calc(50% - 640px));bottom:-380px;width:720px;height:720px;border-radius:50%;background:radial-gradient(circle at 50% 50%,rgba(233,150,100,.42) 0,rgba(193,95,60,.24) 34%,rgba(193,95,60,.08) 56%,rgba(193,95,60,0) 70%);pointer-events:none}
.contact-sun::after{content:"";position:absolute;inset:27%;border-radius:50%;border:1px solid rgba(232,163,138,.28)}
.contact-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(40px,8vw,120px);align-items:center}
.contact .eyebrow{color:var(--orange-soft)}
.contact h2{font-size:clamp(30px,3.6vw,50px);line-height:1.4}
.contact-copy>p:not(.eyebrow){margin-top:24px;font-size:16px;line-height:1.95;color:var(--night-text)}
.contact .button{margin-top:32px}
.contact-qr{background:var(--paper);color:var(--ink);padding:20px 20px 16px;border-radius:18px;width:244px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.contact-qr img{width:204px;height:204px;object-fit:contain}
.contact-qr figcaption{margin-top:12px;text-align:center;font-size:13px;color:var(--muted)}

/* 页脚 */
.company-footer{padding-block:56px 28px;background:var(--paper)}
.footer-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer-brand p{margin-top:14px;font-family:var(--serif);font-size:15px;color:var(--muted)}
.footer-top .company-brand img{width:24px;height:32px}
.footer-top .company-brand b{font-size:17px}
.footer-top .company-brand small{font-size:10px}
.footer-nav{display:grid;grid-template-columns:repeat(2,auto);gap:clamp(40px,7vw,96px)}
.footer-nav div{display:grid;align-content:start;gap:8px;font-size:14px}
.footer-nav p{font-size:12px;letter-spacing:.12em;color:var(--faint);margin-bottom:4px}
.footer-nav a{color:var(--muted);transition:color .2s}
.footer-nav a:hover{color:var(--orange)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:20px;font-size:12px;color:var(--muted)}
.footer-bottom>a{text-decoration:underline;text-decoration-color:var(--crease);text-underline-offset:4px}
.footer-bottom>a:hover{color:var(--orange)}

/* 404 等共用页面兼容 */
.error-main{min-height:65vh;padding-block:100px}
.error-main h1{font-size:42px;margin-bottom:24px}
.error-main p{color:var(--muted)}
.error-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:30px;color:var(--orange)}

/* 首屏入场：一次、克制 */
@media (prefers-reduced-motion:no-preference){
  .hero-kicker,.hero h1 .line,.hero-lead,.hero-description,.hero-actions{animation:rise .9s var(--ease) both}
  .hero h1 .line-human{animation-delay:.08s}
  .hero h1 .line-ai{animation-delay:.22s}
  .hero-lead{animation-delay:.36s}
  .hero-description{animation-delay:.44s}
  .hero-actions{animation-delay:.52s}
  .hero-art img{animation:unfold 1.4s var(--ease) both}
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  @keyframes unfold{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}
}

/* ≤1080 */
@media (max-width:1080px){
  .hero-art{width:74vw}
  .hero-copy{max-width:520px}
  .hero-entries{grid-template-columns:1fr 1fr}
  .entries-label{grid-column:1/-1;padding:18px 0 0}
  .entry:first-of-type{border-left:0;padding-left:0}
  .principles{grid-template-columns:1fr;gap:18px}
}

/* ≤860：单列 */
@media (max-width:860px){
  :root{--header-h:66px}
  .company-brand img{width:26px;height:35px}
  .company-brand b{font-size:18px}
  .company-brand small{font-size:10px}
  .menu-toggle{display:inline-flex;align-items:center;gap:12px;min-height:40px;padding:6px 14px;border:1px solid #D8D2C4;border-radius:999px;background:transparent;font-size:13px;cursor:pointer}
  .menu-toggle-icon{position:relative;width:14px;height:8px}
  .menu-toggle-icon::before,.menu-toggle-icon::after{content:"";position:absolute;left:0;right:0;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),top .3s var(--ease)}
  .menu-toggle-icon::before{top:0}
  .menu-toggle-icon::after{top:6.5px}
  .menu-open .menu-toggle-icon::before{top:3.25px;transform:rotate(45deg)}
  .menu-open .menu-toggle-icon::after{top:3.25px;transform:rotate(-45deg)}
  .company-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:6px max(var(--gutter),env(safe-area-inset-right,0px)) 18px max(var(--gutter),env(safe-area-inset-left,0px));background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 22px 30px -28px rgba(20,20,19,.4)}
  .company-header.menu-open .company-nav{display:flex}
  .company-header.menu-open{background:var(--paper);border-bottom-color:var(--line)}
  .company-nav a{padding:14px 2px;font-size:16px;color:var(--ink);border-bottom:1px dashed var(--line)}
  .company-nav a:last-child{border-bottom:0}
  .company-nav a::after{display:none}
  .company-nav a.is-active{color:var(--orange)}

  .hero-stage{display:flex;flex-direction:column}
  .hero-inner{min-height:0;padding-block:44px 8px}
  .hero-art{position:relative;inset:auto;width:100%;aspect-ratio:5/4;max-width:100%}
  .hero-art img{object-position:82% 100%;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 22%);-webkit-mask-composite:source-over;mask-image:linear-gradient(to bottom,transparent 0,#000 22%);mask-composite:add}
  .desktop-break{display:none}

  .about-grid{grid-template-columns:1fr;gap:48px}
  .mark-diagram{max-width:420px}
  .about-body{order:-1}
  .principles{grid-template-columns:repeat(3,minmax(0,1fr))}

  .section-heading{display:block}
  .section-heading>p{margin-top:16px;text-align:left;padding-bottom:0}
  .section-heading>p br{display:none}
  .practice-grid{grid-template-columns:1fr;max-width:620px}

  .team-grid{grid-template-columns:1fr;gap:24px}

  .contact-grid{grid-template-columns:1fr;gap:44px}
  .contact-sun{right:-200px;bottom:-320px;width:560px;height:560px}

  .footer-top{grid-template-columns:1fr}
}

/* ≤560：手机 */
@media (max-width:560px){
  body{font-size:15px}
  .eyebrow{font-size:12px;margin-bottom:18px}
  .section{padding-block:64px}
  h2{font-size:clamp(25px,7.2vw,30px);line-height:1.5}
  .hero-kicker{font-size:12px;letter-spacing:.04em;gap:10px}
  .kicker-mark{width:12px;height:12px}
  .hero h1{font-size:clamp(34px,10.2vw,44px);line-height:1.28}
  .hero-lead{font-size:18px;margin-top:22px}
  .hero-description{font-size:14px}
  .hero-actions{gap:10px}
  .button{min-height:46px;padding:10px 20px;font-size:14px;gap:10px}
  .hero-art{aspect-ratio:4/3;margin-top:4px}
  .hero-entries{grid-template-columns:1fr;border-top-style:dashed}
  .entries-label{padding:16px 0 4px}
  .entry,.entry:first-of-type{border-left:0;padding:16px 0 18px;gap:14px}
  .entry+.entry{border-top:1px dashed var(--crease)}
  .entry-name{font-size:19px}
  .entry-arrow{padding-right:2px}

  .about-copy{font-size:15px;margin-top:22px}
  .principles{grid-template-columns:1fr;gap:16px;margin-top:32px}
  .principles dt{font-size:16px}
  .principles dd{font-size:13px}
  .callout{font-size:12px}
  .callout b{font-size:25px}
  .callout em{font-size:11px;padding:0 6px}
  .callout-ai b{font-size:17px}
  .callout-ai em{font-size:10px}
  .sheet-head{padding:18px 56px 0 22px}
  .sheet-foot{margin:0 22px;padding:14px 0 18px;font-size:14px}

  .practice-card{border-radius:18px}
  .practice-copy{padding:22px 20px 22px}
  .card-desc{font-size:14px}
  .card-sub{font-size:17px}

  .team-description{font-size:17px}
  .team-note{font-size:14px}
  .company-names li{font-size:13px;padding:3px 12px}

  .contact h2{font-size:clamp(26px,7.6vw,32px)}
  .contact-copy>p:not(.eyebrow){font-size:14px;margin-top:20px}
  .contact .button{margin-top:26px}
  .contact-qr{width:212px;padding:16px 16px 12px}
  .contact-qr img{width:180px;height:180px}

  .company-footer{padding-block:44px 24px}
  .footer-nav{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;line-height:1.7}
}

/* ≤360：小屏 */
@media (max-width:360px){
  .company-brand b{font-size:17px}
  .menu-toggle{padding:6px 12px;gap:10px}
  .hero h1{font-size:33px}
  .hero-kicker{font-size:11px;letter-spacing:.02em}
  .hero-lead{font-size:17px}
  .button{padding-inline:17px}
  .entry-tag{padding:2px 8px}
  .entry-name small{display:block;width:100%}
  .card-meta{letter-spacing:.06em}
  .contact h2{font-size:24px}
  .practice-copy h3{font-size:24px}
}

@media (prefers-reduced-motion:reduce){
  :root{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* 2026-10-29 公司介绍文案同步 */
.vision{background:#F5F3ED}.vision-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,88px)}
.vision-grid article{border-top:1px solid var(--crease);padding-top:24px}.vision-grid .overline{color:var(--orange)}
.vision-grid h3 small{display:block;margin-top:8px;font:400 15px/1.6 var(--sans);color:var(--slate)}
.vision-grid h3{font-size:clamp(25px,2.8vw,34px);margin:10px 0 18px}.vision-grid article>p:last-child{color:var(--muted);font-size:16px;line-height:2;max-width:490px}
.vision-foot{margin-top:40px;font:500 clamp(18px,1.6vw,22px)/1.8 var(--serif)}
.co-practice h2{max-width:850px}.co-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;list-style:none;padding:0;margin:44px 0 24px}
.co-steps li{border-top:1px dashed var(--crease);padding-top:22px}.co-steps li>span{font-size:12px;color:var(--orange);letter-spacing:.05em}.co-steps h3{font-size:24px;margin:10px 0 12px}.co-steps p{font-size:15px;color:var(--muted);line-height:1.9}
.co-note{font-size:13px;color:var(--muted);max-width:950px}.co-practice .button{margin-top:28px}
@media(max-width:860px){.vision-grid{gap:32px}.co-steps{grid-template-columns:1fr;gap:24px}}
@media(max-width:560px){.vision-grid{grid-template-columns:1fr;gap:28px}.vision-grid article>p:last-child{font-size:15px}.vision-foot{margin-top:28px}.co-steps{margin-top:30px}.co-steps h3{font-size:22px}}

/* Confirmed company team narrative, 2026-10-30. */
.team-expertise{align-self:center;display:grid;gap:38px}.team-expertise-item{border-top:1px solid #c85e3b;padding-top:24px}.team-expertise-item.business{border-color:#3f7198}.team-expertise-item .overline{margin:0;color:#a74c2e;letter-spacing:.08em;font-size:14px}.team-expertise-item.business .overline{color:#3f7198}.team-expertise-item h3{font-family:var(--serif,"Songti SC",serif);font-size:clamp(28px,3vw,40px);font-weight:400;line-height:1.3;margin:15px 0 12px}.team-expertise-item>p:last-child{font-size:clamp(17px,1.6vw,22px);line-height:1.75;color:#706b64;margin:0}@media(max-width:700px){.team-expertise{gap:30px}.team-expertise-item{padding-top:20px}}