:root{
 --red:#C8102E;--red-dark:#9E0B23;--red-soft:#fdecef;
 --blue:#16356b;--blue-bright:#1f56b0;--blue-soft:#eef3fb;
 --ink:#23272e;--muted:#5d6775;--faint:#8a93a0;
 --bg:#fff;--surface:#f8f9fb;--line:#e6e9ef;
 --serif:Georgia,"Iowan Old Style","Palatino Linotype","Times New Roman",serif;
 --serif-zh:Georgia,"Songti SC","Noto Serif SC","Source Han Serif SC","PingFang SC","Microsoft YaHei",serif;
 --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
 --maxw:1120px;--ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--blue-bright);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--red)}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
@media(max-width:600px){.wrap{padding:0 18px}}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.22;color:var(--blue)}
section{padding:80px 0}
@media(max-width:600px){section{padding:60px 0}}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.sec-title{font-size:clamp(26px,3.6vw,38px);margin-bottom:14px}
.sec-intro{color:var(--muted);font-size:18px;max-width:760px;margin-bottom:44px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}
header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:.3s}
header.scrolled,header.open{border-color:var(--line);box-shadow:0 4px 24px rgba(20,40,80,.06)}
nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:700;color:var(--blue);font-size:17px;flex-shrink:0}
.brand img{height:44px;width:auto;object-fit:contain;display:block}
.navright{display:flex;align-items:center;gap:22px}
.navlinks{display:flex;gap:22px}
.navlinks a{color:var(--ink);font-size:14.5px;font-weight:500;position:relative;padding:4px 0;white-space:nowrap}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:width .3s var(--ease)}
.navlinks a:hover,.navlinks a.active{color:var(--red)}
.navlinks a:hover::after,.navlinks a.active::after{width:100%}
.lang{display:flex;align-items:center;font-size:13px;font-weight:600;border:1px solid var(--line);border-radius:100px;padding:3px;background:#fff;flex-shrink:0}
.lang a,.lang span{padding:3px 11px;border-radius:100px;color:var(--muted);line-height:1.5}
.lang span{background:var(--blue);color:#fff}
.lang a:hover{color:var(--red)}
.menu-btn{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-btn i{display:block;width:18px;height:2px;background:var(--blue);border-radius:2px;transition:.25s}
header.open .menu-btn i:nth-child(1){transform:translateY(6px) rotate(45deg)}
header.open .menu-btn i:nth-child(2){opacity:0}
header.open .menu-btn i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:1060px){
 .menu-btn{display:flex}
 .navright{gap:10px}
 .navlinks{display:none}
 header.open .navlinks{display:flex;flex-direction:column;gap:0;position:absolute;top:68px;left:0;right:0;background:#fff;padding:6px 28px 16px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(20,40,80,.08)}
 header.open .navlinks a{padding:12px 0;font-size:16px;border-bottom:1px solid var(--line)}
 header.open .navlinks a:last-child{border-bottom:0}
 header.open .navlinks a::after{display:none}
}
@media(max-width:600px){.brand img{height:36px}header.open .navlinks{padding:6px 18px 14px}}
.page-top{padding-top:120px;padding-bottom:8px}
.hero{position:relative;padding:150px 0 110px;overflow:hidden}
.hero::before,.geo-hero::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--red),var(--blue))}
.hero-bg{position:absolute;inset:0;background:radial-gradient(900px 420px at 80% -10%,var(--red-soft),transparent 60%),radial-gradient(760px 420px at 6% 14%,var(--blue-soft),transparent 62%)}
.hero-inner{position:relative;max-width:900px}
.hero .kicker,.geo-hero .kicker{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:20px}
.hero h1{font-size:clamp(34px,6vw,58px);color:var(--blue);line-height:1.1}
.hero h1 .r,.geo-hero h1 .r{color:var(--red)}
.hero p.lead,.geo-hero p.lead{font-size:clamp(18px,2.2vw,22px);color:var(--muted);margin-top:24px;max-width:680px;line-height:1.6}
.hero .aff{margin-top:20px;font-size:15px;color:var(--faint)}
.btnrow{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.btn{font-size:15px;font-weight:600;padding:13px 26px;border-radius:9px;transition:.28s var(--ease);display:inline-block}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(200,16,46,.22)}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--line);color:var(--blue)}
button.btn{font-family:inherit;line-height:inherit;background:transparent;cursor:pointer}
.btn-ghost:hover{border-color:var(--blue);transform:translateY(-2px)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:880px){.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;transition:.3s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(20,40,80,.10);border-color:#dfe4ec}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;line-height:1.65}
.navcard{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;transition:.3s var(--ease)}
.navcard:hover{transform:translateY(-6px);box-shadow:0 20px 42px rgba(20,40,80,.12);border-color:#dfe4ec}
.navcard .num{font-family:var(--serif);font-size:14px;color:var(--red);font-weight:700;letter-spacing:.1em}
.navcard h3{font-size:21px;margin:10px 0 8px}
.navcard p{color:var(--muted);font-size:15px}
.navcard .go{display:inline-block;margin-top:14px;color:var(--blue-bright);font-weight:600;font-size:14.5px}
.navcard:hover .go{color:var(--red)}
.meta{margin-top:15px;display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:11.5px;font-weight:600;padding:5px 11px;border-radius:100px;background:var(--blue-soft);color:var(--blue)}
.chip.pat{background:var(--red-soft);color:var(--red)}
.imgcard{overflow:hidden;padding:0}
.imgcard .ph{height:190px;background:var(--surface);overflow:hidden;display:flex;align-items:center;justify-content:center}
.imgcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.imgcard:hover .ph img{transform:scale(1.05)}
.imgcard .bd{padding:24px}
.facrow{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;margin-bottom:46px}
.facrow:nth-child(even) .facimg{order:2}
@media(max-width:780px){.facrow{grid-template-columns:1fr;gap:20px}.facrow:nth-child(even) .facimg{order:0}}
.facimg{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
.facimg img{width:100%;display:block}
.fac h3{font-size:23px;margin-bottom:6px}
.fac .spec{font-size:13px;color:var(--red);font-weight:600;letter-spacing:.04em;margin-bottom:12px}
.fac p{color:var(--muted);font-size:15.5px;margin-bottom:12px}
.ppl-group{margin-bottom:40px}
.ppl-group h3{font-size:15px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--red);margin-bottom:18px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.ppl{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:860px){.ppl{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.ppl{grid-template-columns:repeat(2,1fr)}}
.person{display:flex;flex-direction:column;align-items:center;text-align:center;padding:22px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.3s var(--ease);color:var(--ink)}
a.person:hover{transform:translateY(-4px);box-shadow:0 14px 28px rgba(20,40,80,.10);border-color:#dfe4ec}
.pphoto{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:50% 18%;margin-bottom:13px;border:3px solid var(--blue-soft);background:var(--surface)}
.person.head .pphoto{width:112px;height:112px;border-color:var(--red-soft)}
.pinit{width:96px;height:96px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:30px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-bright));margin-bottom:13px}
.person .nm{font-weight:600;color:var(--ink);font-size:15px;line-height:1.3}
.person .rl{font-size:12.5px;color:var(--faint);margin-top:5px}
.member-hero{display:grid;grid-template-columns:230px 1fr;gap:38px;align-items:start}
@media(max-width:680px){.member-hero{grid-template-columns:1fr;gap:24px}}
.member-hero .photo{width:230px;height:280px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:var(--surface)}
.member-hero .initbig{width:230px;height:280px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:64px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-bright))}
.member-hero h1{font-size:34px}
.member-hero .role{color:var(--red);font-weight:600;font-size:15px;margin:6px 0 18px;letter-spacing:.03em}
.member-hero .titles{color:var(--muted);font-size:14.5px;line-height:1.75;margin:-10px 0 20px}
.member-hero p{color:var(--muted);font-size:16px;margin-bottom:14px}
.member-block{margin-top:30px}
.member-block h2{font-size:20px;margin-bottom:12px}
.member-block ul{list-style:none}
.member-block li{padding:8px 0 8px 22px;position:relative;color:var(--muted);font-size:15.5px;border-bottom:1px solid var(--line)}
.member-block li::before{content:"";position:absolute;left:0;top:17px;width:7px;height:7px;border-radius:50%;background:var(--red);opacity:.6}
.backlink{display:inline-block;font-weight:600;font-size:14.5px}
.proj-tag{display:inline-block;background:var(--blue-soft);color:var(--blue);border-radius:10px;padding:8px 16px;font-size:14.5px;font-weight:600}
.pub-h{background:linear-gradient(135deg,var(--blue-soft),#fff);border:1px solid var(--line);border-left:4px solid var(--red);border-radius:12px;padding:20px 22px;margin-bottom:14px}
.pub-h .aw{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--red);display:block;margin-bottom:8px}
.pub-h p{font-size:15px}
.publist{list-style:none}
.publist li{padding:15px 0 15px 22px;border-bottom:1px solid var(--line);position:relative;font-size:15px;color:var(--muted);line-height:1.6}
.publist li::before{content:"";position:absolute;left:0;top:23px;width:8px;height:8px;border-radius:50%;background:var(--red);opacity:.5}
.publist li b{color:var(--ink)}
.note{font-size:13.5px;color:var(--faint);margin-top:16px}
.timeline{margin-left:6px;padding-left:30px;border-left:2px solid var(--line)}
.tl{position:relative;padding-bottom:28px}.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-37px;top:4px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--red)}
.tl .date{font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--red);text-transform:uppercase}
.tl p{margin-top:6px;color:var(--muted);font-size:15.5px}
.tl p b{color:var(--ink)}
.partners{display:flex;flex-wrap:wrap;gap:12px}
.partner{font-size:14.5px;font-weight:600;color:var(--blue);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:13px 20px;transition:.28s var(--ease)}
.partner:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media(max-width:780px){.contact-grid{grid-template-columns:1fr;gap:26px}}
.addr .lab{color:var(--blue);font-family:var(--serif);font-size:21px;font-weight:600;margin-bottom:12px}
.addr p{color:var(--muted);margin-bottom:4px}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px}
.contact-card .t{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.contact-card .pi{font-family:var(--serif);font-size:20px;color:var(--blue);font-weight:600}
.contact-card .pr{font-size:14px;color:var(--faint);margin:4px 0 16px}
footer{background:var(--blue);color:#cdd6e6;padding:42px 0}
.foot{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;align-items:center}
.foot .fb{display:flex;align-items:center;gap:11px;font-family:var(--serif);color:#fff;font-size:17px;font-weight:600}
.foot small{color:#9fb0cc;font-size:13px}
.foot a{color:#dbe4f3}

.focus{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;margin-top:30px;max-width:820px}
.focus .fh{font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:8px}
.focus ul{list-style:none}
.focus li{position:relative;padding:5px 0 5px 18px;font-size:16px;color:var(--ink);line-height:1.55}
.focus li::before{content:"";position:absolute;left:0;top:14px;width:7px;height:7px;border-radius:50%;background:var(--red)}
.focus li b{color:var(--blue);font-weight:600}
@media(max-width:700px){.focus{grid-template-columns:1fr;gap:16px}}
html[lang="zh-CN"] .focus .fh{letter-spacing:.08em}

/* ---- home: featured geothermal band ---- */
.feature{background:linear-gradient(135deg,#0f2a57 0%,#16356b 55%,#1d4688 100%);color:#dbe4f3;position:relative;overflow:hidden}
.feature::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 88% 0%,rgba(200,16,46,.32),transparent 62%)}
.feature .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
@media(max-width:860px){.feature .wrap{grid-template-columns:1fr;gap:34px}}
.feature .eyebrow{color:#ff9aa9}
.feature h2{color:#fff;font-size:clamp(28px,3.8vw,42px);margin-bottom:16px}
.feature p{color:#c9d4e8;font-size:17px;max-width:560px}
.feature .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.feature .btn-ghost:hover{border-color:#fff;color:#fff}
.feature-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.feature-media img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover}
.badge{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.95);color:var(--muted);border-radius:12px;padding:12px 16px;font-size:13px;line-height:1.4;box-shadow:0 10px 24px rgba(0,0,0,.18);max-width:250px}
.badge b{display:block;font-family:var(--serif);font-size:26px;color:var(--red);line-height:1.15}

.res-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:22px}
.res-grid>.card{flex:0 1 calc((100% - 44px)/3)}
@media(max-width:880px){.res-grid>.card{flex-basis:calc((100% - 22px)/2)}}
@media(max-width:640px){.res-grid>.card{flex-basis:100%}}
/* ---- research: geothermal card ---- */
.gcard{display:grid;grid-template-columns:1.1fr 1fr;padding:0;overflow:hidden;margin-bottom:22px;color:var(--ink)}
.gcard .gimg{min-height:280px;overflow:hidden}
.gcard .gimg img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.gcard:hover .gimg img{transform:scale(1.04)}
.gcard .bd{padding:32px 34px;display:flex;flex-direction:column;justify-content:center}
.gcard h3{font-size:25px;margin:12px 0 10px}
.gcard .go{margin-top:18px;font-weight:600;font-size:14.5px;color:var(--blue-bright)}
.gcard:hover .go{color:var(--red)}
@media(max-width:780px){.gcard{grid-template-columns:1fr}.gcard .gimg{min-height:200px}.gcard .bd{padding:24px}}

/* ---- geothermal page ---- */
.geo-hero{position:relative;padding:132px 0 64px;overflow:hidden}
.geo-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
@media(max-width:900px){.geo-grid{grid-template-columns:1fr;gap:34px}}
.geo-hero h1{font-size:clamp(38px,5.8vw,62px);line-height:1.06}
.geo-hero .sub{font-family:var(--serif);font-style:italic;font-size:clamp(18px,2.2vw,23px);color:var(--blue);margin-top:12px}
.team-line{margin-top:22px;font-size:14.5px;color:var(--muted);line-height:1.7}
.team-line b{color:var(--ink);font-weight:600}
.photo-fig{margin:0;border-radius:20px;overflow:hidden;position:relative;box-shadow:0 26px 60px rgba(20,40,80,.18)}
.photo-fig img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.photo-fig figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;background:linear-gradient(transparent,rgba(10,25,50,.78));color:#fff;font-size:13px;line-height:1.5}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:56px}
@media(max-width:760px){.steps{grid-template-columns:repeat(2,1fr)}}
.step{display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid #f1c3cb;background:var(--red-soft);border-radius:12px;color:var(--ink);font-weight:700;font-size:14px;letter-spacing:.07em;text-transform:uppercase;transition:.28s var(--ease)}
.step .n{font-family:var(--serif);color:var(--red);font-size:19px;letter-spacing:0}
.step:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(200,16,46,.12);color:var(--ink)}
.step.last{background:var(--red);border-color:var(--red);color:#fff}
.step.last .n{color:#fff}
.step.last:hover{color:#fff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 14px 34px rgba(20,40,80,.06)}
.stat{padding:26px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat .v{font-family:var(--serif);font-size:clamp(28px,3.2vw,40px);color:var(--blue);font-weight:600;line-height:1.1;white-space:nowrap}
.stat .v small{font-size:.48em;color:var(--red);margin-left:4px;font-weight:700}
.stat .l{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.55}
@media(max-width:860px){.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3){border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}}
@media(max-width:420px){.stats{grid-template-columns:1fr}.stat{border-left:0!important}.stat:nth-child(n+2){border-top:1px solid var(--line)}}
.src{font-size:12.5px;color:var(--faint);margin-top:14px;line-height:1.6}
.film{background:#0d1f3f;color:#cdd6e6;position:relative;overflow:hidden}
.film::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 380px at 10% 0%,rgba(31,86,176,.35),transparent 60%)}
.film .wrap{position:relative}
.film .sec-title{color:#fff}
.film .eyebrow{color:#ff9aa9}
.film .sec-intro{color:#aebbd3;margin-bottom:34px}
.media-grid{display:grid;grid-template-columns:2.3fr 1fr;gap:28px;align-items:start}
@media(max-width:900px){.media-grid{grid-template-columns:1fr}}
.film-box{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.45);background:#000;aspect-ratio:16/9}
.film-box video{width:100%;height:100%;display:block;background:#000}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:14px;padding:14px 26px 14px 16px;border:0;border-radius:100px;background:rgba(255,255,255,.95);color:var(--blue);font:600 16px var(--sans);cursor:pointer;box-shadow:0 18px 40px rgba(0,0,0,.35);transition:.25s var(--ease)}
.play:hover{transform:translate(-50%,-50%) scale(1.04)}
.play .tri{width:46px;height:46px;border-radius:50%;background:var(--red);position:relative;flex-shrink:0}
.play .tri::after{content:"";position:absolute;left:18px;top:14px;border-left:15px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}
.play .lbl{white-space:nowrap}
@media(max-width:600px){.play{padding:8px;gap:0}.play .lbl{display:none}.play .tri{width:54px;height:54px}.play .tri::after{left:21px;top:17px;border-left-width:17px;border-top-width:10px;border-bottom-width:10px}}
.film-box.playing .play{opacity:0;pointer-events:none}
.film-note{margin-top:14px;font-size:13.5px;color:#8fa0bf}
.poster-card{display:block;width:100%;border:0;padding:0;background:#fff;border-radius:14px;overflow:hidden;cursor:zoom-in;position:relative;box-shadow:0 24px 56px rgba(0,0,0,.4);transition:.3s var(--ease)}
.poster-card img{width:100%;display:block}
.poster-card:hover{transform:translateY(-4px)}
.poster-card .zoom{position:absolute;right:12px;bottom:12px;background:rgba(13,31,63,.85);color:#fff;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:100px}
@media(max-width:900px){.poster-wrap{max-width:420px}}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(8,18,38,.92);display:none;overflow:auto;padding:56px 16px 24px;text-align:center}
.lightbox.on{display:block}
.lightbox img{max-width:min(1100px,100%);height:auto;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lb-close{position:fixed;top:14px;right:18px;width:42px;height:42px;border-radius:50%;border:0;background:#fff;color:var(--blue);font-size:26px;line-height:42px;cursor:pointer}
.legacy{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:860px){.legacy{grid-template-columns:1fr}}
.lg-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.3s var(--ease)}
.lg-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(20,40,80,.10)}
.lg-card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;background:var(--surface)}
.lg-card .bd{padding:20px 22px 24px;border-top:3px solid var(--red)}
.lg-card .yr{font-family:var(--serif);font-weight:700;color:var(--red);font-size:19px}
.lg-card h3{font-size:18px;margin:4px 0 8px}
.lg-card p{font-size:15px;color:var(--muted);line-height:1.65}
.figs{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
@media(max-width:860px){.figs{grid-template-columns:1fr}}
.fig{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;margin:0}
.fig img{width:100%;display:block;border-radius:8px}
.fig figcaption{font-size:13.5px;color:var(--muted);margin-top:12px;line-height:1.6}
.fig figcaption b{color:var(--ink)}
.findings{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:38px}
@media(max-width:860px){.findings{grid-template-columns:1fr;gap:20px}}
.finding{display:flex;gap:16px;align-items:flex-start}
.finding .no{flex:0 0 46px;height:46px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:22px;font-weight:700}
.finding h3{font-size:17px;margin-bottom:6px}
.finding p{font-size:15px;color:var(--muted);line-height:1.65}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.pillars{grid-template-columns:1fr}}
.pillar{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:16px;padding:28px 26px}
.pillar .pn{font-family:var(--serif);color:var(--red);font-size:30px;font-weight:700;line-height:1}
.pillar h3{font-size:19px;margin:12px 0 4px}
.pillar .pk{font-size:12.5px;color:var(--faint);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.pillar ul{list-style:none}
.pillar li{padding:8px 0 8px 22px;position:relative;font-size:15px;color:var(--ink)}
.pillar li::before{content:"";position:absolute;left:0;top:17px;width:8px;height:8px;border-radius:50%;background:var(--red)}
.ready{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
@media(max-width:900px){.ready{grid-template-columns:1fr;gap:30px}}
.ready .question{font-family:var(--serif);font-size:clamp(22px,2.8vw,30px);color:var(--blue);line-height:1.35;border-left:4px solid var(--red);padding-left:20px;margin-bottom:18px}
.ready p{color:var(--muted);font-size:16px}
.fw{display:grid;gap:10px;text-align:center}
.fw .row{display:grid;gap:10px}
.fw .r3{grid-template-columns:repeat(3,1fr)}.fw .r2{grid-template-columns:repeat(2,1fr);padding:0 8%}
.fw .ar{color:#b5bdc9;font-size:16px;line-height:1}
.node{border-radius:12px;padding:12px 10px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fff;line-height:1.35;display:flex;align-items:center;justify-content:center;min-height:56px}
.node.top{background:var(--red);font-size:13.5px;width:100%;max-width:340px;justify-self:center}
.node.mid{background:#5b4a9e;width:100%;max-width:420px;justify-self:center}
.node.c1{background:#2d5a8c}.node.c2{background:#c26a2a}.node.c3{background:#1f8580}.node.c4{background:#b0862a}.node.c5{background:#5c873a}
@media(max-width:520px){.node{font-size:10.5px;padding:10px 6px;letter-spacing:.03em}.fw .r2{padding:0}}
.orgs{display:grid;gap:14px}
.org{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
.org:first-child{border-top:0;padding-top:0}
@media(max-width:700px){.org{grid-template-columns:1fr;gap:12px}}
.org h3{margin:0;font-family:var(--sans);font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.logos{display:flex;flex-wrap:wrap;gap:12px}
.logo{display:flex;align-items:center;justify-content:center;height:86px;min-width:150px;padding:14px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.28s var(--ease)}
.logo:hover{border-color:#cfd6e2;box-shadow:0 10px 24px rgba(20,40,80,.08)}
.logo img{display:block;width:auto;height:auto;max-height:50px;max-width:170px}
.logo img.wide{max-width:160px}
.logo.txt{flex-direction:column;line-height:1.2}
.logo.txt b{font-family:var(--serif);font-size:24px;color:var(--blue);letter-spacing:.04em}
.logo.txt small{font-size:11.5px;color:var(--muted);margin-top:4px}
@media(max-width:520px){.logo{min-width:0;flex:1 1 calc(50% - 6px);height:76px;padding:12px}.logo img{max-height:42px;max-width:100%}}
.contact-line{display:flex;align-items:center;gap:22px 30px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 22px}
.contact-line img{height:46px;width:auto;max-width:100%}
.contact-line .who{font-family:var(--serif);font-size:18px;color:var(--blue);font-weight:600;line-height:1.3}
.contact-line .who small{display:block;font-family:var(--sans);font-size:13px;color:var(--faint);font-weight:500;margin-top:2px}
.contact-line a{font-weight:600}

.share{display:inline-flex;align-items:center;gap:16px;margin-top:28px;padding:10px 20px 10px 10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 26px rgba(20,40,80,.07)}
.share img{width:96px;height:96px;display:block}
.share .t{font-weight:700;color:var(--blue);font-size:15px}
.share .s{font-size:12.5px;color:var(--faint);margin-top:2px;word-break:break-all}
@media(max-width:900px){.share{display:none}}

/* ---- Chinese typography ---- */
html[lang="zh-CN"] body{line-height:1.85}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3,html[lang="zh-CN"] h4,
html[lang="zh-CN"] .addr .lab,html[lang="zh-CN"] .contact-card .pi,html[lang="zh-CN"] .ready .question,html[lang="zh-CN"] .geo-hero .sub,html[lang="zh-CN"] .contact-line .who{font-family:var(--serif-zh)}
html[lang="zh-CN"] .geo-hero .sub{font-style:normal}
html[lang="zh-CN"] .hero h1{line-height:1.28}
html[lang="zh-CN"] .geo-hero h1{line-height:1.18}
html[lang="zh-CN"] .eyebrow,html[lang="zh-CN"] .hero .kicker,html[lang="zh-CN"] .geo-hero .kicker,html[lang="zh-CN"] .step,html[lang="zh-CN"] .node,html[lang="zh-CN"] .org h3{letter-spacing:.08em}
html[lang="zh-CN"] .sec-intro,html[lang="zh-CN"] .hero p.lead,html[lang="zh-CN"] .geo-hero p.lead{line-height:1.85}