:root {
  --paper:#f7f3eb;
  --ink:#102a2b;
  --band:#eee8dd;
  --line:#cec7bb;
  --lime:#d5f546;
  --muted:#4d5b55;
}
* { box-sizing:border-box; }
body { margin:0; background:var(--paper); color:var(--ink); font:1rem/1.75 Inter,"Microsoft YaHei","PingFang SC",sans-serif; }
a { color:inherit; text-underline-offset:.25em; }
:focus-visible { outline:2px solid #778a17; outline-offset:4px; }
.wrap { width:min(72rem,100% - 3rem); margin-inline:auto; }
.top,.foot { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:.6rem 1.5rem; padding-block:1rem; }
.top { border-bottom:1px solid var(--line); }
.brand,nav a { text-decoration:none; }
.brand { font-weight:800; font-size:1.45rem; }
.brand small { font-size:.8rem; margin-left:.55rem; font-weight:500; }
nav,.actions { display:flex; flex-wrap:wrap; gap:.55rem 1rem; }
nav { font-size:.92rem; }
nav a:hover { text-decoration:underline; }
.split { display:grid; grid-template-columns:1.07fr 1fr; gap:clamp(1.5rem,6vw,5.5rem); align-items:center; }
.hero,.section { padding-block:clamp(2.5rem,6.5vw,5.75rem); }
h1,h2 { font-family:"Songti SC",SimSun,serif; line-height:1.12; letter-spacing:-.035em; margin:0; }
h1 { font-size:clamp(2.8rem,1.55rem + 6.6vw,7rem); }
h2 { font-size:clamp(2rem,1.4rem + 2.2vw,4rem); }
h3 { margin:0; }
p { margin:.8rem 0 1rem; }
.hero p,.section p,figcaption,dd { color:var(--muted); }
.actions { margin-top:1.4rem; }
.button { display:inline-block; padding:.55rem 1rem; border:1px solid currentColor; text-decoration:none; font-weight:700; }
.primary { background:var(--lime); color:var(--ink); border-color:var(--lime); }
.button:hover { text-decoration:underline; }
figure,dd { margin:0; }
img { display:block; width:100%; height:auto; object-fit:cover; background:var(--band); }
.portrait { aspect-ratio:1.08; object-position:center 33%; }
.workshop { aspect-ratio:1.55; }
figcaption { font-size:.82rem; padding-top:.35rem; }
.band { background:var(--band); }
.proof,.cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1.4rem; }
.proof { padding-block:1.35rem; }
.proof strong,.proof span { display:block; }
.proof span { font-size:.88rem; color:var(--muted); }
.proof > * + *, .cards > * + * { border-left:1px solid var(--line); padding-left:1.2rem; }
dl > div { display:grid; grid-template-columns:6rem 1fr; gap:1rem; border-top:1px solid var(--line); padding:.6rem 0; }
dt,summary { font-weight:700; }
details { border-top:1px solid var(--line); }
details:last-child { border-bottom:1px solid var(--line); }
summary { cursor:pointer; padding:.7rem 0; }
details p { margin:0 0 .8rem; }
.dark { background:var(--ink); color:var(--paper); }
.dark p { color:#d3dfd7; }
.cards { margin-top:1.6rem; }
.foot { border-top:1px solid #69817b; font-size:.85rem; }
@media (max-width:42rem) {
  .wrap { width:calc(100% - 2rem); }
  .split,.proof,.cards { grid-template-columns:1fr; }
  .proof > * + *, .cards > * + * { border-left:0; border-top:1px solid var(--line); padding:1rem 0 0; }
  .portrait { aspect-ratio:1.3; }
}

.use-cases { border-top:1px solid var(--line); }
.use-cases h3 { margin-bottom:.5rem; }
.portfolio-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.1rem;
  margin-top:1.8rem;
}
.portfolio-grid article { background:#1b3a39; overflow:hidden; }
.portfolio-grid img { aspect-ratio:1.55; }
.portfolio-grid article > div { padding:1rem 1.15rem .6rem; }
.portfolio-media {
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:2rem;
  margin-top:1.5rem;
}
.portfolio-media video {
  display:block;
  width:100%;
  aspect-ratio:16/9;
  margin-top:.65rem;
  background:#102a2b;
}
.book { display:grid; grid-template-columns:minmax(0,8.25rem) minmax(0,1fr); align-items:start; gap:1.15rem; }
.book img { aspect-ratio:3/4; object-fit:contain; }
@media (max-width:42rem) {
  .portfolio-grid,.portfolio-media { grid-template-columns:1fr; }
}

/* ---- 2026-11 redesign additions ---- */
html { scroll-behavior:smooth; }
section[id], article[id] { scroll-margin-top:1rem; }
.skip { position:absolute; left:-999px; top:0; background:var(--lime); padding:.5rem 1rem; z-index:10; }
.skip:focus { left:1rem; }
.top { position:sticky; top:0; z-index:5; background:color-mix(in srgb,var(--paper) 92%,transparent); backdrop-filter:blur(6px); }
.nav-cta { background:var(--ink); color:var(--paper); padding:.1rem .7rem; }
.eyebrow,.kicker { font-size:.8rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:#5f6e1a; margin:0 0 .7rem; }
.dark .eyebrow { color:var(--lime); }
.lead { font-size:1.08rem; }
.lead strong,.section p strong { color:var(--ink); }
.audience { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.8rem; margin-top:1.6rem; }
.path { display:block; text-decoration:none; border:1px solid var(--ink); padding:.8rem 1rem; transition:background .15s; }
.path:first-child { background:var(--lime); border-color:var(--lime); }
.path:hover { background:var(--ink); color:var(--paper); border-color:var(--ink); }
.path span { display:block; font-size:.8rem; opacity:.75; }
.path strong { display:block; line-height:1.4; }
.stats { grid-template-columns:repeat(4,minmax(0,1fr)); }
.stats strong { font-family:"Songti SC",SimSun,serif; font-size:clamp(1.6rem,1.2rem + 1.4vw,2.4rem); line-height:1.2; }
.logos { padding-block:1.6rem 0; text-align:center; }
.logo-row { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; justify-content:center; gap:.4rem 1.6rem; font-weight:700; color:var(--muted); font-size:.98rem; }
.cards-4 { grid-template-columns:repeat(4,minmax(0,1fr)); }
.num { display:block; font-family:"Songti SC",SimSun,serif; font-size:1.6rem; color:#778a17; }
.use-cases p { margin:.5rem 0 .8rem; }
.flow { font-size:.82rem; font-weight:600; color:var(--ink) !important; background:var(--band); padding:.5rem .7rem; }
.section-head { display:grid; grid-template-columns:1fr 1.2fr; gap:1rem 3rem; align-items:end; }
.section-head p:last-child { margin:0; }
.course-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1rem; margin-top:1.8rem; }
.course-grid article { background:var(--paper); border:1px solid var(--line); padding:1.1rem 1.2rem; display:flex; flex-direction:column; }
.course-grid h3 { font-size:1.08rem; line-height:1.4; }
.course-grid p { font-size:.92rem; margin:.5rem 0; }
.tag { font-size:.75rem !important; font-weight:700; letter-spacing:.06em; color:#5f6e1a !important; margin:0 0 .3rem !important; }
.deliver { margin-top:auto !important; padding-top:.6rem; border-top:1px dashed var(--line); color:var(--ink) !important; }
.deliver b { display:inline-block; background:var(--lime); font-size:.75rem; padding:0 .4rem; margin-right:.5rem; }
.more { font-size:.92rem; margin-top:1.4rem; }
.cases { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1.1rem; margin-top:1.8rem; }
.cases article { border-top:3px solid var(--lime); padding-top:1rem; }
.metric { display:block; font-family:"Songti SC",SimSun,serif; font-size:clamp(2.2rem,1.6rem + 2vw,3.4rem); line-height:1; color:var(--lime); margin-bottom:.6rem; }
.cases b { color:#fff; }
.dark .portfolio-grid p { font-size:.88rem; margin:.3rem 0 .6rem; }
.dark h3 { line-height:1.4; }
.quotes { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1rem; margin-top:1.8rem; }
blockquote { margin:0; background:var(--band); padding:1.2rem 1.3rem; display:flex; flex-direction:column; justify-content:space-between; }
blockquote p { margin:0 0 .9rem; color:var(--ink) !important; }
blockquote p::before { content:"“"; font-family:"Songti SC",SimSun,serif; font-size:2.2rem; line-height:0; vertical-align:-.65rem; margin-right:.15rem; color:#778a17; }
cite { font-style:normal; font-weight:700; font-size:.85rem; }
.sub { margin:2.2rem 0 .6rem; font-size:1.1rem; }
.industries > div { grid-template-columns:9rem 1fr; }
.top-align { align-items:start; }
.fit,.plain { padding-left:1.1rem; margin:.4rem 0; }
.fit li,.plain li { margin:.2rem 0; }
.timeline dt { color:#5f6e1a; }
.chips { list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:.4rem; }
.chips li { border:1px solid var(--line); background:var(--paper); padding:.15rem .6rem; font-size:.85rem; }
.creds { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1.6rem; margin-top:1.6rem; }
.creds p { font-size:.92rem; margin:.4rem 0; }
.steps { padding-left:1.2rem; margin:.65rem 0 0; }
.steps li { margin:.5rem 0; color:var(--muted); }
.steps b { color:var(--ink); margin-right:.5rem; }
#contact > p { margin-top:.6rem; }
@media (max-width:60rem) {
  .cards-4,.stats { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .cards-4 > :nth-child(3),.stats > :nth-child(3) { border-left:0; padding-left:0; }
  .course-grid,.quotes,.cases,.creds { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:42rem) {
  .top { position:static; }
  .audience,.cards-4,.stats,.section-head,.course-grid,.quotes,.cases,.creds { grid-template-columns:1fr; }
  .stats > * + * { border-left:0; border-top:1px solid var(--line); padding:1rem 0 0; }
  .industries > div,dl > div { grid-template-columns:1fr; gap:.1rem; }
  .book { grid-template-columns:6.5rem 1fr; }
}