:root{color-scheme:dark;--bg:#09131c;--text:#eef3f2;--muted:#aebcc3;--line:#344954;--accent:#74d4c5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:18px;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select,textarea{font:inherit}button,a,input,textarea,select{touch-action:manipulation}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.shell{width:90%;max-width:1440px;margin:auto}.preview-notice{font-size:12px;text-align:center;padding:6px 10px;color:var(--muted);background:#14222c}.header{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:110px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:14px;font-family:"Songti SC",SimSun,serif;font-size:29px;line-height:1.3}.brand img{width:44px;height:44px;object-fit:contain}.brand small{display:block;font:10px/1.8 sans-serif;letter-spacing:5px;margin-top:7px}nav{display:flex;gap:30px;font-size:14px}nav a{padding:15px 0}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1fr 1fr;gap:4%;align-items:center;padding:54px 0 65px}.hero h1{font:400 clamp(38px,4.6vw,70px)/1.45 "Songti SC",SimSun,serif;letter-spacing:-.035em;margin:0 0 30px}.lead{font-size:20px;line-height:1.8}.hero .lead{white-space:normal;margin-bottom:42px}.actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;gap:28px;padding:12px 26px;border:1px solid var(--accent);background:var(--accent);color:#09131c;cursor:pointer;font-size:17px;min-height:50px}.button:hover{background:#a2e6dc;color:#09131c}.button.outline{background:transparent;color:var(--text)}.button.outline:hover{background:#193038}.button.wide{width:100%}figure{margin:0}.hero-image img{display:block;width:100%;height:670px;max-height:72vw;object-fit:cover;object-position:47% center}figcaption{font-size:13px;color:var(--muted);text-align:right;padding-top:12px}h1,h2,h3,p{overflow-wrap:anywhere}h1{font:400 clamp(36px,4.5vw,64px)/1.4 "Songti SC",SimSun,serif}h2{font-size:clamp(30px,3.3vw,48px);font-weight:500;line-height:1.45;margin:0 0 30px;letter-spacing:-.03em}h3{font-size:26px;line-height:1.5;font-weight:500;margin:0}p{margin:0 0 24px}em{color:var(--accent);font-style:normal}.section{padding:90px 0}.history{border-top:1px solid var(--line)}.split{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:start}.split>p,.split>div{padding-top:10px}.history h2{font-family:"Songti SC",SimSun,serif;font-weight:400}.timeline{display:grid;grid-template-columns:repeat(3,1fr);margin-top:50px;text-align:center}.timeline strong{display:block;font:400 38px/1.5 "Songti SC",serif;color:var(--accent);padding-bottom:18px;border-bottom:1px solid var(--muted);position:relative}.timeline strong:after{content:"";position:absolute;bottom:-5px;width:9px;height:9px;left:calc(50% - 4px);background:var(--accent)}.timeline span{display:block;margin-top:22px;font-size:16px}.ecosystem-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;margin-bottom:40px}.ecosystem-heading img{width:100%;height:300px;object-fit:cover}.ecosystem-heading h2{font-size:clamp(28px,3vw,43px);margin:0}.section-label{font-size:12px;letter-spacing:3px;color:var(--accent);margin-bottom:12px}.business-list>a{display:grid;grid-template-columns:90px 1fr 1fr 38px;gap:30px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}.number{color:var(--accent);font-size:46px;line-height:1.2;border-right:1px solid var(--accent)}.business-desc{font-size:19px}.arrow{color:var(--accent);font-size:32px}.closing-line{margin:50px 0 0;font-size:24px}.closing-line:before{content:"";display:block;width:64px;border-top:2px solid var(--accent);margin-bottom:22px}.evidence .split{padding-bottom:35px}.evidence-links{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding:40px 0 0}.evidence-links>a{padding:0 30px;border-right:1px solid var(--line)}.evidence-links>a:first-child{padding-left:0}.evidence-links>a:last-child{border:0}.evidence-links h3 span{color:var(--accent);margin-left:10px}.evidence-links p{margin:18px 0 0;color:var(--muted)}.research-image{position:relative}.research-image img{display:block;width:100%;max-height:640px;object-fit:cover}.research-image figcaption{position:absolute;bottom:20px;left:5%;background:#09131ce6;padding:5px 10px;color:white}.text-link{display:inline-block;color:var(--accent);padding:12px 0;border-bottom:1px solid var(--accent)}.contact{display:grid;grid-template-columns:1fr 1fr;gap:10%;border-top:1px solid var(--line)}.contact>div p{margin:34px 0}.field{margin-bottom:22px}label{display:block;font-size:16px;margin-bottom:9px}label span{color:var(--muted);font-size:12px}input,textarea,select{display:block;width:100%;border:1px solid #48606d;background:transparent;color:var(--text);padding:12px 14px;border-radius:0;font-size:16px}select option{background:var(--bg)}textarea{resize:vertical}input[type=checkbox]{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent)}.checkbox{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap}.checkbox label{max-width:calc(100% - 34px)}.checkbox a{color:var(--accent);text-decoration:underline}.help,.muted{font-size:14px;color:var(--muted)}.errorlist{padding:8px 20px;border-left:3px solid #ffad92;color:#ffb8a0;font-size:15px}.footer{display:flex;justify-content:space-between;gap:50px;align-items:center;padding:55px 0 65px;border-top:1px solid var(--line);font-size:14px}.footer-brand{font:32px "Songti SC",SimSun,serif}.footer p{color:var(--muted);margin:12px 0 0}.footer-links{display:flex;gap:25px;flex-wrap:wrap}.reading{max-width:800px;min-height:55vh}.reading h2{font-size:29px;margin-top:55px}.reading.login{max-width:500px}.reading form{margin-top:35px}.empty{padding:35px 0;color:var(--muted)}.article-row{display:block;padding:35px 0;border-bottom:1px solid var(--line)}.article-row h2{font-size:30px}.article-row p{margin:12px 0}.brand-photo{display:block;width:100%;max-height:520px;object-fit:cover;margin:40px 0}.brand-intro{max-width:1000px}.shop{max-width:720px;margin:60px 0}.shop .button{margin-top:20px}.filters{display:flex;gap:20px;flex-wrap:wrap;margin:30px 0}.review-row{display:grid;grid-template-columns:1.5fr 1fr;gap:50px;padding:40px 0;border-bottom:1px solid var(--line)}.review-row h2{font-size:27px}.review-row details{font-size:14px;color:var(--muted)}.review-row summary{cursor:pointer}.skip{position:absolute;top:-100px;left:10px;padding:10px;background:var(--accent);color:var(--bg);z-index:100}.skip:focus{top:10px}
@media(min-width:1600px){.hero-image img{height:750px}.hero{padding-top:65px;padding-bottom:80px}}
@media(max-width:980px){nav{gap:18px;font-size:12px}.brand{font-size:24px}.brand img{width:34px}.hero-image img{height:540px}.hero h1{font-size:44px}.hero .lead{font-size:17px}.button{gap:12px;padding:11px 20px}.business-list>a{grid-template-columns:65px 1.1fr 1fr 24px;gap:18px}.business-list h3{font-size:23px}.business-desc{font-size:16px}.evidence-links h3{font-size:22px}.footer{align-items:start}.footer-links{gap:18px}.contact{gap:7%}}
@media(max-width:700px){.shell{width:88%}.preview-notice{font-size:11px}.header{min-height:88px;position:relative}.brand{font-size:24px}.brand small{font-size:8px;letter-spacing:4px}.menu-toggle{display:block;background:none;color:var(--text);border:1px solid var(--line);padding:8px 12px;font-size:14px}.header nav{display:none;position:absolute;left:-7%;right:-7%;top:87px;z-index:10;padding:15px 6%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;font-size:16px}.header nav.open{display:flex}.hero{grid-template-columns:1fr;padding-top:45px;gap:40px}.hero h1{font-size:39px;line-height:1.5;margin-bottom:20px}.hero .lead{font-size:16px;margin-bottom:28px}.hero-image img{height:430px;max-height:none;object-position:50% center}.hero-image{margin-top:10px}.section{padding:60px 0}.split,.ecosystem-heading,.contact{grid-template-columns:1fr;gap:28px}h2{font-size:30px;margin-bottom:18px}body{font-size:16px}.split>p,.split>div{padding:0}.timeline{margin-top:26px;gap:10px}.timeline strong{font-size:25px;padding-bottom:12px}.timeline span{font-size:12px;line-height:1.7}.ecosystem-heading img{height:230px}.business-list>a{grid-template-columns:42px 1fr 20px;gap:12px;padding:22px 0}.business-list h3{font-size:20px}.number{font-size:28px;grid-row:span 2;align-self:center}.business-desc{grid-column:2;font-size:14px;color:var(--muted)}.arrow{grid-column:3;grid-row:1 / span 2;font-size:24px}.closing-line{font-size:20px;margin-top:35px}.evidence-links{grid-template-columns:1fr;padding:0}.evidence-links>a,.evidence-links>a:first-child{padding:23px 0;border-right:0;border-bottom:1px solid var(--line)}.evidence-links h3{font-size:24px}.evidence-links p{margin-top:8px}.research-image img{height:320px}.research-image figcaption{font-size:11px;bottom:12px}.contact>div p{margin:20px 0}.footer{flex-direction:column;gap:28px;padding:36px 0}.footer-links{gap:16px;font-size:12px}.review-row{grid-template-columns:1fr;gap:20px}.reading h1{font-size:36px}.section-label{font-size:11px}h1{font-size:38px}.button{min-height:48px;font-size:16px}.shop h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.legal-footer{padding-bottom:2.5rem;font-size:.875rem;color:var(--muted);line-height:1.7;overflow-wrap:anywhere}.legal-footer p{margin:.4rem 0}