:root{--ink:#18332f;--green:#0b5c55;--teal:#2c8c7f;--cream:#f5f1e8;--paper:#fffdf8;--gold:#e4b85a;--line:#d6ddd7;--muted:#64736f;--shadow:0 22px 60px rgba(17,61,55,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:50;height:78px;padding:0 clamp(24px,5vw,72px);display:flex;align-items:center;gap:38px;background:rgba(255,253,248,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(11,92,85,.08)}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark{width:43px;height:43px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:var(--gold);font-family:serif;font-size:24px}.brand b{display:block;font-family:serif;font-size:23px;line-height:1}.brand small{display:block;margin-top:4px;letter-spacing:.22em;font-size:9px}.topbar nav{display:flex;gap:26px}.topbar nav a{font-size:14px}.topbar nav a:hover{color:var(--teal)}.lang,.menu-btn{border:1px solid var(--green);background:transparent;color:var(--green);border-radius:99px;padding:8px 13px;cursor:pointer}.menu-btn{display:none;font-size:18px;border:0}.hero{min-height:calc(100vh - 78px);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:4vw;padding:80px clamp(24px,7vw,112px);background:radial-gradient(circle at 78% 42%,rgba(44,140,127,.13),transparent 36%),linear-gradient(135deg,#fffdf8,#f3efe3)}.eyebrow{font-weight:700;font-size:12px;letter-spacing:.18em;color:var(--teal);text-transform:uppercase}.hero h1{font-family:Georgia,"Noto Serif SC",serif;font-weight:500;font-size:clamp(56px,7.5vw,112px);line-height:1.02;letter-spacing:-.04em;margin:20px 0 28px}.lead{font-size:18px;max-width:690px;color:#405651}.hero-actions{display:flex;gap:12px;margin-top:36px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:99px;font-weight:700;border:1px solid var(--green);cursor:pointer}.primary{background:var(--green);color:white}.primary:hover{background:#064a44}.ghost{color:var(--green)}.read-orbit{position:relative;aspect-ratio:1;max-width:590px;margin:auto;border:1px solid rgba(11,92,85,.15);border-radius:50%}.read-orbit:before,.read-orbit:after{content:"";position:absolute;inset:13%;border:1px solid rgba(11,92,85,.12);border-radius:50%}.read-orbit:after{inset:28%}.orbit-center{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:138px;height:138px;border-radius:50%;display:grid;place-content:center;text-align:center;background:var(--green);color:white;z-index:2;box-shadow:var(--shadow)}.orbit-center b{font-size:25px;letter-spacing:.13em}.orbit-center span{color:var(--gold)}.orbit-item{position:absolute;width:95px;height:95px;border-radius:50%;display:grid;place-content:center;text-align:center;background:white;border:1px solid var(--line);box-shadow:0 10px 32px rgba(11,92,85,.1)}.orbit-item b{font-family:serif;font-size:19px}.orbit-item span{font-size:8px;letter-spacing:.15em;color:var(--teal)}.o1{left:8%;top:12%}.o2{right:7%;top:12%}.o3{right:-2%;top:43%}.o4{right:15%;bottom:4%}.o5{left:15%;bottom:4%}.o6{left:-2%;top:43%}.section{padding:110px clamp(24px,7vw,112px);scroll-margin-top:75px}.section-head{display:flex;gap:28px;align-items:flex-start;margin-bottom:55px}.number{font-family:serif;font-size:18px;color:var(--gold);padding-top:9px}.section h2{font-family:Georgia,"Noto Serif SC",serif;font-size:clamp(36px,4vw,62px);font-weight:500;line-height:1.15;margin:8px 0 12px}.section-head p{margin:0;max-width:760px;color:var(--muted)}.idea{background:var(--green);color:white}.idea .eyebrow,.idea .number{color:var(--gold)}.idea-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:7vw;align-items:center}.definition{font-size:16px;color:#dce9e5}.definition .quote{font-family:serif;font-size:28px;line-height:1.5;color:white}.method{display:flex;align-items:center;justify-content:space-between;gap:10px}.method div{width:104px;aspect-ratio:1;border:1px solid rgba(255,255,255,.24);border-radius:50%;display:grid;place-content:center;text-align:center}.method span{font-size:9px;color:var(--gold)}.method b{font-family:serif;font-size:18px}.method small{font-size:7px;letter-spacing:.1em;opacity:.65}.method i{font-style:normal;color:var(--gold)}.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}.filters button{border:1px solid var(--line);background:white;padding:10px 16px;border-radius:99px;cursor:pointer;color:var(--muted)}.filters button.active{background:var(--green);color:white;border-color:var(--green)}.wisdom-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.wisdom-card{min-height:200px;padding:24px;border:1px solid var(--line);background:white;border-radius:18px;transition:.25s}.wisdom-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}.wisdom-card .icon{font-family:serif;font-size:34px;color:var(--teal)}.wisdom-card h3{font-family:serif;font-size:22px;margin:28px 0 4px}.wisdom-card p{font-size:12px;letter-spacing:.1em;color:var(--muted);margin:0}.people{background:#eef4f1}.split{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:center}.split>div:first-child{font-size:21px}.text-link{display:inline-block;margin-top:16px;color:var(--teal);font-weight:700}.search-demo{background:white;border-radius:22px;padding:30px;box-shadow:var(--shadow)}.search-demo label{display:block;font-weight:700;margin-bottom:18px}.search-demo div{height:55px;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;padding:0 18px;gap:12px}.search-demo input{border:0;outline:0;width:100%;font-size:16px;background:transparent}.search-demo p{font-size:13px;color:var(--muted);margin-bottom:0}.wide-copy{max-width:940px;font-size:21px}.partner-types{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:42px}.partner-types span{padding:30px 18px;border-top:2px solid var(--gold);background:var(--cream);font-family:serif;font-size:20px}.join{background:#e8c369;display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw}.join .eyebrow{color:var(--green)}.join-copy p:last-child{font-size:18px}.join-form{background:var(--paper);border-radius:24px;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:20px;box-shadow:var(--shadow)}.join-form label span{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.join-form input,.join-form select,.join-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;background:white;font:inherit}.join-form .full{grid-column:1/-1}.join-form button{justify-self:start;border:0}.join-form #thanks{align-self:center;color:var(--green);font-weight:700}footer{padding:55px clamp(24px,7vw,112px);background:#122a27;color:#b9cbc6;display:flex;align-items:center;gap:40px}footer .brand{margin-right:0;color:white}.light .brand-mark{background:var(--gold);color:var(--green)}footer p{margin-left:auto}footer>small{font-size:11px}.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}.reveal.visible{opacity:1;transform:none}.hidden{display:none!important}@media(max-width:980px){.topbar nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);padding:24px;flex-direction:column;border-bottom:1px solid var(--line)}.topbar nav.open{display:flex}.menu-btn{display:block}.hero{grid-template-columns:1fr;padding-top:60px}.read-orbit{width:min(82vw,520px);margin-top:40px}.idea-grid,.split,.join{grid-template-columns:1fr}.method{margin-top:25px}.wisdom-grid{grid-template-columns:repeat(3,1fr)}.partner-types{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.section{padding:75px 22px}.topbar{padding:0 18px}.hero{padding:55px 22px 80px}.hero h1{font-size:54px}.lead{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.read-orbit{width:95%;margin-top:30px}.orbit-item{width:70px;height:70px}.orbit-item b{font-size:15px}.orbit-center{width:105px;height:105px}.o3{right:-4%}.o6{left:-4%}.idea-grid{gap:30px}.method{display:grid;grid-template-columns:repeat(5,1fr)}.method i{display:none}.method div{width:100%;border-radius:14px}.wisdom-grid{grid-template-columns:1fr 1fr}.wisdom-card{min-height:170px}.partner-types{grid-template-columns:1fr}.join-form{grid-template-columns:1fr;padding:24px}.join-form .full{grid-column:auto}footer{flex-direction:column;align-items:flex-start;gap:12px}footer p{margin-left:0}.section-head{gap:14px}}
footer{flex-wrap:wrap}.footer-wechat{display:flex;align-items:center;gap:16px;flex:0 0 100%;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}.footer-wechat img{display:block;width:144px;height:144px;object-fit:contain;background:white;border:7px solid white;border-radius:8px}.footer-wechat strong{display:block;color:white;font-size:18px}.footer-wechat small{display:block;max-width:340px;margin-top:6px;font-size:14px;line-height:1.55}.footer-wechat a{text-decoration:underline;text-underline-offset:3px}@media(max-width:640px){.footer-wechat{align-items:flex-start}.footer-wechat img{width:128px;height:128px}}