:root{
  --green:#7FB8A5;
  --green-deep:#5C9B87;
  --dark:#1F2A2A;
  --ink:#172220;
  --muted:#52645D;
  --soft:#F8FBF8;
  --paper:#FFFFFF;
  --line:#DDE8E3;
  --red:#B8453E;
  --cream:#F7EDEB;
  --gold:#D8B56B;
  --black:#0F1514;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  background:var(--soft);
  color:var(--dark);
  line-height:1.65;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1220px;margin:0 auto;padding:0 26px}
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(248,251,248,.94);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(221,232,227,.88);
}
.nav-inner{height:74px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:42px;height:42px;border-radius:50%;
  background:var(--green);color:white;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;
}
.brand-cn{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-en{font-size:11px;letter-spacing:.22em;color:#6F7F78;margin-top:1px}
.nav-links{display:flex;gap:22px;font-size:14px;color:#42524C}
.nav-links a:hover{color:var(--green)}
.nav-cta{background:var(--dark);color:white;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:700}
.nav-cta:hover{background:var(--green-deep)}
.hero{
  position:relative;overflow:hidden;
  padding:92px 0 92px;
}
.hero::before{
  content:"";position:absolute;right:-140px;top:30px;width:460px;height:460px;border-radius:50%;
  background:rgba(127,184,165,.22);filter:blur(70px);
}
.hero::after{
  content:"";position:absolute;left:-180px;bottom:-80px;width:420px;height:420px;border-radius:50%;
  background:rgba(184,69,62,.10);filter:blur(80px);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;
}
.pill{
  display:inline-flex;align-items:center;
  border:1px solid #CFE0D9;background:rgba(255,255,255,.78);
  border-radius:999px;padding:8px 15px;
  color:var(--muted);font-size:14px;
  box-shadow:0 8px 24px rgba(31,42,42,.04);
}
.hero-title{
  margin:24px 0 0;
  font-size:64px;
  line-height:1.18;
  letter-spacing:-.035em;
  font-weight:850;
}
.hero-title span{display:block}
.hero-title span + span{margin-top:4px}
.hero-copy{
  max-width:680px;margin:30px 0 0;
  font-size:19px;line-height:1.9;color:var(--muted);
}
.buttons{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;padding:14px 26px;font-weight:750;font-size:16px;
}
.btn-primary{background:var(--green);color:white;box-shadow:0 16px 32px rgba(127,184,165,.26)}
.btn-primary:hover{background:var(--green-deep)}
.btn-secondary{background:rgba(255,255,255,.80);border:1px solid #CADBD4;color:var(--dark)}
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);max-width:660px;
}
.stat-num{font-size:28px;font-weight:800}
.stat-label{font-size:14px;color:#6F7F78;margin-top:4px}
.hero-collage{
  border:1px solid white;background:rgba(255,255,255,.68);
  border-radius:36px;padding:16px;
  box-shadow:0 30px 80px rgba(127,184,165,.18);
}
.collage-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  background:rgba(255,255,255,.58);
  border-radius:28px;padding:16px;
}
.img-card{
  position:relative;overflow:hidden;border-radius:24px;min-height:220px;
  background:#e9efec;box-shadow:0 10px 30px rgba(31,42,42,.08);
}
.img-card.large{grid-column:span 2;min-height:312px}
.img-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.img-card.portrait img{object-position:center 10%}
.img-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(31,42,42,.60),rgba(31,42,42,0) 56%);
}
.caption{position:absolute;left:18px;right:18px;bottom:18px;z-index:1;color:white}
.label{
  display:inline-flex;background:rgba(255,255,255,.88);color:var(--green);
  border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;margin-bottom:10px;
}
.caption h3{margin:0;font-size:23px;line-height:1.25}
.caption p{margin:7px 0 0;font-size:13px;color:rgba(255,255,255,.88);line-height:1.45}
.mission-card{
  grid-column:span 2;border-radius:24px;background:var(--dark);color:white;padding:26px;
}
.mission-card small{color:rgba(255,255,255,.58)}
.mission-card h3{margin:8px 0 0;font-size:33px;line-height:1.2}
section{padding:94px 0}
section.white{background:white}
.eyebrow{font-size:13px;font-weight:900;letter-spacing:.24em;color:var(--green);text-transform:uppercase}
.eyebrow.gold{color:var(--gold)}
h2{margin:16px 0 0;font-size:46px;line-height:1.16;letter-spacing:-.04em}
.lead{margin-top:22px;font-size:18px;line-height:1.9;color:var(--muted);max-width:780px}
.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pain{
  background:var(--soft);border:1px solid #E4EEE9;border-radius:20px;padding:17px 18px;
  color:#42524C;font-size:15px;
}
.pain span{color:var(--green);font-weight:900;margin-right:8px}
.belief{
  background:var(--soft);border-radius:34px;padding:58px;
}
.belief-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:center}
.belief-title{
  font-size:64px;line-height:1.06;letter-spacing:-.06em;margin:0;
}
.belief p.big{font-size:23px;line-height:1.75;color:#42524C;margin:0}
.method-map{
  position:relative;
  min-height:560px;
  margin-top:52px;
  border-radius:38px;
  background:radial-gradient(circle at 50% 50%,rgba(127,184,165,.14),transparent 34%), #fff;
  border:1px solid var(--line);
  box-shadow:0 20px 70px rgba(31,42,42,.05);
  overflow:hidden;
}
.method-center{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  width:240px;
  height:240px;
  border-radius:50%;
  background:var(--dark);
  color:#fff;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:24px;
  box-shadow:0 28px 70px rgba(31,42,42,.22);
}
.method-center small{color:rgba(255,255,255,.55);letter-spacing:.18em;font-size:12px}
.method-center strong{font-size:30px;line-height:1.25;margin-top:12px}
.method-node{
  position:absolute;width:260px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  border-radius:24px;padding:20px;
  box-shadow:0 12px 36px rgba(31,42,42,.06);
}
.method-num{
  width:44px;height:44px;border-radius:15px;background:#EAF4EF;color:var(--green);
  display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:14px
}
.method-node h3{margin:0;font-size:20px}
.method-node p{margin:9px 0 0;color:var(--muted);font-size:14px;line-height:1.75}
.node-1{left:70px;top:70px}
.node-2{right:70px;top:70px}
.node-3{left:70px;bottom:70px}
.node-4{right:70px;bottom:70px}
.node-5{left:50%;transform:translateX(-50%);bottom:34px}
.dark-section{background:var(--dark);color:white}
.dark-section .eyebrow{color:#9FD0C0}
.dark-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:44px}
.dark-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  border-radius:24px;padding:24px;
}
.dark-card .big-num{font-size:38px;font-weight:800;color:#9FD0C0}
.dark-card h3{font-size:20px;margin:18px 0 0}
.dark-card p{color:rgba(255,255,255,.68);font-size:15px;line-height:1.8}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{background:rgba(255,255,255,.10);color:rgba(255,255,255,.72);font-size:12px;border-radius:999px;padding:5px 10px}
.offer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.offer{background:var(--soft);border:1px solid var(--line);border-radius:25px;padding:24px}
.offer-num{font-size:34px;font-weight:800;color:var(--green)}
.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.work{background:white;border:1px solid #E4EEE9;border-radius:26px;overflow:hidden}
.work-img{height:190px;background:#e8efec;overflow:hidden}
.work-img img{width:100%;height:100%;object-fit:cover}
.work-body{padding:22px;min-height:188px}
.work-label{color:var(--green);font-size:13px;font-weight:900;margin-bottom:8px}
.work-body h3{margin:0;font-size:21px}
.work-body p{color:var(--muted);font-size:16px;line-height:1.8}
.event-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.event-card{background:white;border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:0 8px 28px rgba(31,42,42,.04)}
.event-card h3{margin:0;font-size:22px}
.event-card p{color:var(--muted);line-height:1.8}
.event-list{margin-top:16px;display:grid;gap:8px;color:#42524C;font-size:14px}
.expert-section{background:#fff}
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.expert-card{background:var(--soft);border:1px solid var(--line);border-radius:26px;padding:26px}
.expert-card h3{margin:0;font-size:22px}
.expert-card .names{margin-top:10px;color:var(--green);font-weight:800}
.expert-card p{color:var(--muted);line-height:1.8;margin-bottom:0}
.resources{
  background:linear-gradient(135deg,#EAF4EF,#fff);
}
.resource-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:44px}
.resource{background:white;border:1px solid var(--line);border-radius:22px;padding:20px;text-align:center}
.resource b{display:block;font-size:28px;color:var(--green);margin-bottom:6px}
.resource span{font-size:13px;color:#52645D}
.founderip{
  background:linear-gradient(135deg,#0f1110,#1d1610 55%,#0f1110);
  color:white;
  overflow:hidden;
}
.founderip .lead{color:rgba(255,255,255,.72)}
.founderip-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:62px;align-items:center}
.poster-card{border-radius:32px;overflow:hidden;background:#111;box-shadow:0 24px 80px rgba(0,0,0,.35)}
.poster-card img{width:100%;display:block}
.founderip h2{color:white}
.premium-quote{
  background:rgba(255,255,255,.08);
  border-left:5px solid var(--gold);
  border-radius:20px;
  padding:26px;margin-top:30px;box-shadow:0 8px 28px rgba(0,0,0,.14);
  font-size:22px;line-height:1.8;color:white;
}
.founder-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.btn-gold{background:var(--gold);color:#17120b}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
.course-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.course{background:var(--soft);border:1px solid var(--line);border-radius:22px;padding:22px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.year{display:inline-flex;border-radius:999px;background:#EAF4EF;color:var(--green);font-weight:800;padding:7px 14px;margin-bottom:18px}
.card{background:white;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 8px 28px rgba(31,42,42,.04)}
.founder{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}
.portrait-box{
  background:linear-gradient(135deg,#EAF4EF,white);
  border-radius:34px;padding:24px;box-shadow:0 24px 60px rgba(127,184,165,.12);
}
.portrait-img{height:540px;border-radius:26px;overflow:hidden;background:#e9efec}
.portrait-img img{width:100%;height:100%;object-fit:cover;object-position:center 8%}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px;text-align:center}
.mini{background:white;border-radius:18px;padding:12px;font-size:13px;color:#6F7F78}
.mini b{display:block;color:var(--green);font-size:19px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.check{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:14px;font-size:14px;color:#42524C}
.trust-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px}
.honors{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.honor{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:18px;min-height:86px}
.client-box{background:white;border-radius:34px;padding:50px}
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.client{background:var(--soft);border-radius:16px;padding:14px;text-align:center;font-size:14px;font-weight:800;color:#42524C}
.contact{background:var(--green)}
.contact-card{
  background:white;border-radius:34px;padding:50px;
  display:grid;grid-template-columns:1fr .85fr;gap:50px;
  box-shadow:0 30px 80px rgba(31,42,42,.12)
}
input,textarea{width:100%;border:1px solid var(--line);border-radius:18px;background:white;padding:14px 15px;font:inherit;outline:none}
textarea{min-height:120px;resize:vertical}
.form{display:grid;gap:14px;background:var(--soft);border-radius:24px;padding:24px}
.submit{border:0;background:var(--dark);color:white;border-radius:999px;padding:15px 20px;font-weight:800;font-size:16px}
footer{background:var(--dark);color:white;padding:42px 0}
.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:center}
.foot-muted{color:rgba(255,255,255,.55);font-size:14px;margin-top:6px}
@media(max-width:980px){
  .nav-links,.nav-cta{display:none}
  .hero-grid,.two-col,.belief-grid,.founderip-grid,.founder,.trust-grid,.contact-card{grid-template-columns:1fr}
  .hero-title{font-size:50px;line-height:1.18}
  h2{font-size:36px}
  .dark-grid,.expert-grid,.resource-grid{grid-template-columns:1fr 1fr}
  .offer-grid,.work-grid,.timeline,.event-grid{grid-template-columns:1fr 1fr}
  .client-grid{grid-template-columns:1fr 1fr}
  .method-map{min-height:auto;padding:24px;display:grid;gap:16px}
  .method-center,.method-node{position:relative;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;transform:none!important;width:auto}
  .method-center{height:auto;border-radius:28px;min-height:160px}
}
@media(max-width:640px){
  .offer-grid,.work-grid,.timeline,.pain-grid,.course-grid,.honors,.checks,.dark-grid,.expert-grid,.resource-grid,.event-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .hero{padding:60px 0}
  .hero-title{font-size:42px;line-height:1.22}
  .belief-title{font-size:44px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}


/* V5.1 Think Tank Alignment */
.expert-grid-aligned{
  grid-template-columns:repeat(4,1fr);
}
.expert-dimension{
  display:inline-flex;
  width:max-content;
  max-width:100%;
  border-radius:999px;
  background:#EAF4EF;
  color:var(--green);
  padding:5px 10px;
  font-size:12px;
  font-weight:900;
  margin-bottom:14px;
}
.expert-grid-aligned .expert-card{
  min-height:260px;
}
.expert-grid-aligned .names{
  margin-top:10px;
  color:var(--green);
  font-weight:800;
  line-height:1.6;
}
@media(max-width:980px){
  .expert-grid-aligned{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .expert-grid-aligned{grid-template-columns:1fr;}
}

/* V5.2 logic alignment */
.logic-note{
  margin-top:14px;
  color:#66776F;
  font-size:15px;
  line-height:1.8;
  max-width:780px;
}


/* V5.3 Business Structure */
.product-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:44px;
}
.product-card{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:30px;
  background:linear-gradient(135deg,#fff,#F8FBF8);
  padding:30px;
  min-height:420px;
  box-shadow:0 12px 42px rgba(31,42,42,.05);
}
.product-card::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-70px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(127,184,165,.16);
  filter:blur(10px);
}
.product-index{
  width:54px;
  height:54px;
  border-radius:18px;
  background:#EAF4EF;
  color:var(--green);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:18px;
  margin-bottom:26px;
}
.product-card h3{
  margin:0;
  font-size:28px;
  letter-spacing:-.02em;
}
.product-card p{
  margin-top:18px;
  color:var(--muted);
  line-height:1.85;
}
.product-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:22px;
}
.product-tags span{
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:#42524C;
  padding:6px 10px;
  font-size:12px;
  font-weight:700;
}
.product-link{
  display:inline-flex;
  margin-top:28px;
  color:var(--green-deep);
  font-weight:900;
}
.contact-entry{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}
.contact-entry a{
  display:inline-flex;
  border-radius:999px;
  background:#EAF4EF;
  color:var(--green-deep);
  padding:9px 14px;
  font-size:14px;
  font-weight:800;
}
@media(max-width:980px){
  .product-grid{grid-template-columns:1fr;}
  .product-card{min-height:auto;}
}


/* V5.4 Clients Enhanced */
.clients-section{
  padding:96px 0;
  background:linear-gradient(135deg,#fff,#F8FBF8);
}
.client-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:36px;
  padding:54px;
  box-shadow:0 18px 70px rgba(31,42,42,.05);
}
.client-top{
  display:grid;
  grid-template-columns:1fr .95fr;
  gap:46px;
  align-items:start;
}
.client-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.client-stats div{
  background:#F8FBF8;
  border:1px solid #E4EEE9;
  border-radius:24px;
  padding:22px 16px;
  text-align:center;
}
.client-stats b{
  display:block;
  font-size:34px;
  color:var(--green);
  line-height:1.1;
}
.client-stats span{
  display:block;
  margin-top:8px;
  color:#52645D;
  font-size:13px;
  line-height:1.5;
}
.client-scenarios{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:44px;
}
.scenario-card{
  background:#F8FBF8;
  border:1px solid #E4EEE9;
  border-radius:28px;
  padding:24px;
  min-height:300px;
}
.scenario-title{
  font-size:21px;
  line-height:1.35;
  font-weight:850;
  letter-spacing:-.02em;
}
.scenario-card p{
  margin-top:14px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}
.client-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:20px;
}
.client-tags span{
  display:inline-flex;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  padding:7px 11px;
  color:#42524C;
  font-size:12px;
  font-weight:800;
}
.client-note{
  margin-top:34px;
  border-left:5px solid var(--green);
  background:#F8FBF8;
  border-radius:20px;
  padding:22px 24px;
  color:#42524C;
  font-size:18px;
  line-height:1.8;
}
.client-note strong{
  color:var(--dark);
}
@media(max-width:980px){
  .client-top{grid-template-columns:1fr;}
  .client-stats{grid-template-columns:1fr 1fr 1fr;}
  .client-scenarios{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .client-panel{padding:28px;}
  .client-stats{grid-template-columns:1fr;}
  .client-scenarios{grid-template-columns:1fr;}
}


/* V5.5 Focus Optimization */
.nav-links{
  gap:20px;
}
.nav-links a{
  white-space:nowrap;
}
.service-line{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  color:#42524C;
  font-size:13px;
  line-height:1.75;
}
.clients-section .scenario-card{
  min-height:380px;
}
.client-note{
  margin-top:34px;
  border-left:5px solid var(--green);
  background:#F8FBF8;
  border-radius:20px;
  padding:22px 24px;
  color:#42524C;
  font-size:18px;
  line-height:1.8;
}
.client-note strong{
  color:var(--dark);
}
@media(max-width:1100px){
  .nav-links{gap:14px;font-size:13px;}
}