:root{--ink:#edf4ef;--paper:#071815;--muted:#91aaa1;--line:rgba(211,232,220,.14);--accent:#58bfa1;--accent2:#d5ac61;--dark:#030b09;--panel:#0d211c;--soft:#123028}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 72% 12%,rgba(67,139,116,.18),transparent 32%),var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.nav{height:82px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit}.brand img{width:34px}.brand span{display:flex;align-items:baseline;gap:8px}.brand strong{font-size:20px;letter-spacing:.12em}.brand em{font-style:normal;font-size:13px;color:var(--muted)}nav{display:flex;gap:28px}nav a{font-size:14px;text-decoration:none;color:var(--ink)}.lang{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.03);border-radius:99px;padding:8px 12px;cursor:pointer}.hero{min-height:calc(100vh - 82px);padding:9vh 0 12vh;position:relative;overflow:hidden}.eyebrow,.section-kicker{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent2)}h1{font-family:"Songti SC","STSong",serif;font-size:clamp(64px,10vw,138px);font-weight:500;line-height:.95;letter-spacing:-.055em;margin:28px 0;max-width:920px}.lead{font-size:clamp(20px,2vw,28px);line-height:1.55;max-width:700px;color:#b8cbc4}.actions{display:flex;gap:12px;margin-top:38px}.button{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:4px;text-decoration:none;font-size:14px}.primary{background:var(--accent2);color:#10201b}.ghost{border:1px solid var(--line);color:var(--ink)}.orbit{position:absolute;right:-70px;bottom:-100px;width:460px;height:460px}.orbit img{position:absolute;width:110px;left:175px;top:175px;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}.halo{position:absolute;border:1px solid rgba(88,191,161,.24);border-radius:50%;inset:0}.h2{inset:60px}.h3{inset:120px}.node{position:absolute;background:#0b201b;border:1px solid var(--line);border-radius:3px;padding:8px 10px;font-size:10px;color:#d8e6e1;box-shadow:0 15px 40px rgba(0,0,0,.18)}.n1{left:14px;top:210px}.n2{right:42px;top:55px}.n3{right:15px;bottom:105px}.n4{left:95px;top:70px}.section{padding:130px 0;border-top:1px solid var(--line)}.grid-two{display:grid;grid-template-columns:1.05fr .95fr;gap:80px}.section h2{font-family:"Songti SC","STSong",serif;font-size:clamp(42px,6vw,78px);font-weight:500;line-height:1.08;letter-spacing:-.035em;margin:24px 0 0}.copy{padding-top:45px}.copy p{font-size:20px;line-height:1.8;color:#b2c4bd}.quote{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-family:"Songti SC","STSong",serif;font-size:30px;color:#dfc287}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:55px}.cards article{min-height:260px;background:linear-gradient(145deg,#102921,#0a1b17);border:1px solid var(--line);border-radius:3px;padding:24px;display:flex;flex-direction:column}.cards span{font-size:10px;letter-spacing:.08em;color:var(--accent2)}.cards h3{font-size:25px;margin-top:auto}.cards p{color:var(--muted);line-height:1.6}.brand-section{background:linear-gradient(120deg,#173b31,#0b211b)}.brand-spec{display:grid;grid-template-columns:1fr 1fr;gap:14px}.brand-spec div{background:rgba(232,245,238,.055);border:1px solid var(--line);padding:22px;border-radius:3px;min-height:140px}.brand-spec small{display:block;color:#9db1aa;margin-bottom:36px}.brand-spec strong{font-size:20px}.closing{margin-top:100px;border-radius:4px;background:#d7b369;color:#10201b;padding:90px;min-height:520px}.closing img{width:190px}.closing h2{font-family:"Songti SC","STSong",serif;font-size:clamp(45px,7vw,85px);font-weight:500;line-height:1.06;letter-spacing:-.04em;max-width:850px}.light{background:#10201b;color:#f2e9d8}footer{display:flex;justify-content:space-between;padding:35px 0 50px;color:var(--muted);font-size:12px}@media(max-width:800px){nav{display:none}.hero{padding-top:7vh}.orbit{opacity:.45;right:-250px}.grid-two{grid-template-columns:1fr;gap:30px}.copy{padding-top:0}.cards{grid-template-columns:1fr 1fr}.section{padding:90px 0}.closing{padding:48px 28px;min-height:460px}.brand-spec{grid-template-columns:1fr}footer{gap:20px;flex-direction:column}}@media(max-width:520px){h1{font-size:60px}.cards{grid-template-columns:1fr}.brand span em{display:none}.actions{flex-direction:column;align-items:flex-start}}