*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f4f4f1;color:#101312;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
em{font-style:normal;color:#23a038}
.section-shell{width:min(calc(100% - 80px),1360px);margin-inline:auto}
.page-progress{position:fixed;z-index:1000;left:0;top:0;width:100%;height:3px;background:#ffffff18}
.page-progress span{display:block;width:0;height:100%;background:#79db43}

/* Floating navigation: pill only, brand mark stays in the page. */
.nav-float{position:fixed;z-index:100;top:18px;left:50%;transform:translateX(-50%);width:min(calc(100% - 56px),1360px);height:54px;pointer-events:none}
.nav-float>*{pointer-events:auto}
.nav-pill{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:4px;padding:5px;border-radius:7px;background:#101312c9;border:1px solid #ffffff14;box-shadow:0 8px 28px #0003;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.nav-pill a{padding:12px 18px;border-radius:4px;color:#e8ece8;font-size:13px;font-weight:700;white-space:nowrap;transition:.2s}
.nav-pill a:hover,.nav-pill a.is-active{background:#ffffff12;color:#8ee95b}

/* Static corner brand mark. */
.corner-logo{position:absolute;z-index:3;top:30px;left:max(40px,calc((100% - 1360px)/2));display:block}
.corner-logo img{width:56px;height:auto}

.about-hero{min-height:100svh;position:relative;overflow:hidden;background:#141918;color:white}
.hero-blur,.hero-shade{position:absolute;inset:-40px}
.hero-blur{background:url('assets/about-hero.jpg') center/cover no-repeat;filter:blur(30px) saturate(.65);transform:scale(1.08)}
.hero-shade{background:linear-gradient(90deg,#0a0e0ddf 0%,#0a0e0d61 57%,#0a0e0db5 100%),linear-gradient(0deg,#0c100f80,transparent 55%)}
.hero-layout{position:relative;z-index:2;min-height:100svh;width:min(calc(100% - 80px),1360px);margin:auto;display:grid;grid-template-columns:.9fr 1.25fr;align-items:center;gap:7%;padding-block:120px 80px}
.kicker,.section-label{font:800 11px Arial,sans-serif;letter-spacing:.18em}
.kicker{color:#9fe870}
.hero-copy h1{font-size:clamp(58px,6.8vw,104px);line-height:1.02;letter-spacing:-.07em;margin:30px 0 22px}
.hero-en{font:700 13px Arial,sans-serif;letter-spacing:.2em;color:#c8d1cc}
.hero-card{margin:0;position:relative;border-radius:14px;overflow:hidden;box-shadow:0 30px 80px #0007}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-card:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(0deg,#080a09bd,transparent)}
.hero-card figcaption{position:absolute;z-index:1;left:28px;right:28px;bottom:24px;display:flex;justify-content:space-between;align-items:end;gap:20px}
.hero-card figcaption span{font:700 10px Arial;letter-spacing:.17em;color:#b8c4bc}
.hero-card figcaption strong{font-size:17px}
.hero-scroll{position:absolute;z-index:3;left:max(40px,calc((100% - 1360px)/2));bottom:26px;font:700 10px Arial;letter-spacing:.15em;display:flex;gap:18px;align-items:center;color:#dce4df}
.hero-scroll span{color:#8ee95b;font-size:18px}

.intro,.record{padding-block:120px}
.section-label{color:#218d31;border-top:1px solid #c9ceca;padding-top:16px;margin:0 0 50px}
.intro-grid,.section-heading{display:grid;grid-template-columns:1.05fr .75fr;gap:11%;align-items:start}
.intro h2,.section-heading h2,.founder-copy h2,.team-copy h2,.closing h2{font-size:clamp(44px,5.2vw,78px);line-height:1.12;letter-spacing:-.06em;margin:0;font-weight:800}
.intro-copy{font-size:16px;line-height:1.9;color:#444c48}
.intro-copy .lead{font-size:23px;line-height:1.55;color:#111614;font-weight:700;margin-top:4px}
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:86px;border-top:1px solid #bfc6c0;border-bottom:1px solid #bfc6c0}
.fact-grid article{padding:30px 24px;border-right:1px solid #cbd0cc;display:grid;gap:8px}
.fact-grid article:first-child{padding-left:0}
.fact-grid article:last-child{border:0}
.fact-grid strong{font:800 clamp(43px,4.4vw,68px)/1 Arial,sans-serif;letter-spacing:-.07em}
.fact-grid sup{font-size:.38em;color:#218d31;vertical-align:top}
.fact-grid span{font-size:13px;color:#59615c}
.data-note{font-size:11px;color:#7b837e;margin-top:13px}

.capabilities{background:#0c100f;color:#eef2ed;padding-block:115px}
.section-label.light{color:#8ee95b;border-color:#39433d}
.section-heading{margin-bottom:62px}
.section-heading>p{font-size:16px;line-height:1.85;color:#626a65;max-width:460px;margin:8px 0 0}
.light-heading>p{color:#a8b2ab}
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #344139;border-left:1px solid #344139}
.capability-grid article{min-height:250px;padding:28px;border-right:1px solid #344139;border-bottom:1px solid #344139;transition:.25s;background:linear-gradient(145deg,#141a1800,#20312600)}
.capability-grid article:hover{background:linear-gradient(145deg,#141a18,#203126)}
.capability-grid b{font:800 11px Arial;color:#8ee95b}
.capability-grid h3{font-size:26px;margin:36px 0 17px}
.capability-grid p{font-size:14px;line-height:1.8;color:#a8b3ab;margin:0}

.control-block{display:grid;grid-template-columns:1.15fr .85fr;gap:0;margin-top:70px;background:#131917;border:1px solid #2f3b34}
.control-photo{margin:0;overflow:hidden}
.control-photo img{width:100%;height:100%;min-height:330px;object-fit:cover;filter:saturate(.78)}
.control-copy{padding:44px 42px}
.control-copy h3{font-size:clamp(26px,2.6vw,38px);line-height:1.2;letter-spacing:-.04em;margin:22px 0 24px}
.control-copy ul{list-style:none;margin:0;padding:0;display:grid;gap:13px}
.control-copy li{position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:#bac5bd}
.control-copy li:before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:#7dd94b;transform:rotate(45deg)}

.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.resource-grid article{background:#151d1a;border:1px solid #2c3831;padding:30px 28px;display:grid;gap:9px;align-content:start}
.resource-grid article>span{font:800 10px Arial;letter-spacing:.15em;color:#8ee95b}
.resource-grid h3{font:800 clamp(28px,2.8vw,42px)/1.1 Arial,"Microsoft YaHei",sans-serif;letter-spacing:-.05em;margin:10px 0 0}
.resource-grid .unit{font-size:.4em;margin-left:4px;letter-spacing:0}
.resource-grid p{font-size:14px;color:#dbe4dc;margin:0;line-height:1.6}
.resource-grid ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:7px}
.resource-grid li{position:relative;padding-left:15px;font-size:13px;color:#a8b3ab}
.resource-grid li:before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;background:#5f7a63}
.resource-grid small{font-size:11.5px;line-height:1.7;color:#8b9890;margin-top:8px}

.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.case-card{background:#ffffff;border:1px solid #dfe3de;padding:0 0 26px;display:flex;flex-direction:column}
.case-card figure{margin:0;position:relative;overflow:hidden;background:#1a1f1d}
.case-card img{width:100%;aspect-ratio:1.9;object-fit:cover;transition:.45s}
.case-card:hover img{transform:scale(1.03)}
.case-card figure:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(0deg,#080b0ab8,transparent)}
.case-card figcaption{position:absolute;z-index:1;left:20px;bottom:16px;color:#fff;font:800 10px Arial;letter-spacing:.14em}
.case-card h3{font-size:21px;letter-spacing:-.03em;margin:24px 24px 12px}
.case-card>p{font-size:14px;line-height:1.75;color:#5b645e;margin:0 24px}
.case-card dl{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 24px 16px;padding-top:18px;border-top:1px solid #e3e7e2}
.case-card dt{font-size:11px;color:#7b847d;letter-spacing:.05em}
.case-card dd{font:800 22px Arial,sans-serif;margin:6px 0 0;letter-spacing:-.03em}
.case-card small{font-size:11.5px;line-height:1.7;color:#838c85;margin:6px 24px 0}

.record-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:6%;align-items:start;margin-top:70px}
.timeline{border-top:1px solid #bfc6c0}
.timeline article{display:grid;grid-template-columns:92px 1fr;gap:24px;padding:27px 0;border-bottom:1px solid #c9cfca}
.timeline time{font:800 25px Arial;color:#259537}
.timeline h3{font-size:19px;margin:2px 0 10px}
.timeline p{font-size:13.5px;line-height:1.75;color:#626a65;margin:0}
.record-media{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.record-media figure{margin:0;position:relative;overflow:hidden;background:#1a1f1d}
.record-media img{width:100%;aspect-ratio:1.5;object-fit:cover;transition:.45s}
.record-media figure:hover img{transform:scale(1.03)}
.record-media figure:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(0deg,#070a09bf,transparent)}
.record-media figcaption{position:absolute;z-index:1;left:15px;bottom:13px;color:white;font:800 9px Arial;letter-spacing:.13em}
.record .data-note{margin-top:26px}

.full-bleed{margin:0;position:relative;overflow:hidden;background:#101413}
.full-bleed img{width:100%;aspect-ratio:2.5;object-fit:cover;filter:saturate(.8)}
.full-bleed:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#060a09cc,transparent 62%)}
.full-bleed figcaption{position:absolute;z-index:1;left:max(40px,calc((100% - 1360px)/2));bottom:44px;display:grid;gap:12px;color:#fff}
.full-bleed figcaption span{font:800 10px Arial;letter-spacing:.16em;color:#a8e07f}
.full-bleed figcaption strong{font-size:clamp(20px,2.4vw,34px);letter-spacing:-.03em}

.founder{background:#0c100f;color:#eef2ed;padding-block:115px}
.founder-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:7%;align-items:center}
.founder-photo{margin:0;position:relative;display:flex;align-items:flex-end;justify-content:center;min-height:420px}
.founder-photo img{width:auto;max-height:520px;object-fit:contain;filter:drop-shadow(0 24px 60px #0009)}
.founder-photo:before{content:"";position:absolute;left:50%;bottom:-10px;transform:translateX(-50%);width:78%;height:64%;background:radial-gradient(ellipse at bottom,#1d3a26 0%,#0c100f00 70%)}
.founder-copy h2{font-size:clamp(46px,5.4vw,82px);margin:26px 0 10px;color:#fff}
.founder-role{font:800 12px Arial,sans-serif;letter-spacing:.16em;color:#8ee95b;margin:0 0 26px}
.founder-copy>p:not(.section-label):not(.founder-role){font-size:15px;line-height:1.9;color:#b3beb6;max-width:640px}
.credential-list{list-style:none;margin:34px 0 0;padding:0;border-top:1px solid #2c3831}
.credential-list li{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid #2c3831;font-size:14px;color:#dfe7e0}
.credential-list span{font:800 10px Arial;letter-spacing:.14em;color:#8ee95b;padding-top:4px}

.team{background:#e1e5df;padding-block:115px}
.team .section-label{border-color:#afb8b1}
.team-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:7%;align-items:center}
.team-photo{margin:0;position:relative;overflow:hidden;background:#202723}
.team-photo img{width:100%;aspect-ratio:1.12;object-fit:cover}
.team-photo figcaption{position:absolute;left:16px;bottom:14px;background:#0d1210ce;color:#e9f0e9;padding:10px 12px;font:800 9px Arial;letter-spacing:.13em}
.dark-kicker{color:#1d8530}
.team-copy h2{font-size:clamp(38px,4.2vw,64px);margin:22px 0 27px}
.team-copy>p{font-size:15px;line-height:1.85;color:#555f58}
.team-roles{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.team-roles b{font-size:11px;font-weight:700;padding:8px 11px;border:1px solid #a9b3ab;color:#39443c;background:#f0f2ee}

.partnership{background:#0c100f;color:#eef2ed;padding-block:115px}
.partner-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.partner-column{background:#131917;border:1px solid #2c3831;padding:34px 32px}
.column-label{font:800 10px Arial;letter-spacing:.16em;color:#8ee95b}
.partner-column ul{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:0}
.partner-column li{padding:18px 0;border-top:1px solid #2a352f}
.partner-column li:first-child{border-top:0;padding-top:0}
.partner-column b{font-size:16px}
.partner-column p{font-size:13.5px;line-height:1.75;color:#a2ada5;margin:8px 0 0}
.partner-note{font-size:13px;line-height:1.85;color:#93a099;border-top:1px solid #2c3831;margin:34px 0 0;padding-top:22px;max-width:900px}

.closing{min-height:720px;position:relative;display:flex;align-items:center;color:white;overflow:hidden}
.closing-photo,.closing-shade{position:absolute;inset:0}
.closing-photo{background:url('assets/about-hero.jpg') center/cover no-repeat;transform:scale(1.01)}
.closing-shade{background:linear-gradient(90deg,#070b09ef 0%,#08100bc2 47%,#07100b42 100%),linear-gradient(0deg,#080c0ad1,transparent 60%)}
.closing-content{position:relative;z-index:1}
.closing h2{font-size:clamp(60px,7.8vw,116px);margin:32px 0 24px}
.closing-content>p:not(.kicker){font-size:15px;letter-spacing:.09em;color:#bdc9c0}
.closing a{display:inline-flex;align-items:center;gap:14px;margin-top:48px;padding:16px 21px;background:#7dd94b;color:#10200f;border-radius:5px;font-size:13px;font-weight:800}
.closing a span{font-size:18px}
.footer{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:#657069;letter-spacing:.07em}
.footer a{font-weight:800;color:#1b7428}

@media(max-width:1000px){
  .section-shell{width:min(calc(100% - 48px),1360px)}
  .corner-logo{left:24px}
  .hero-layout{width:calc(100% - 48px);grid-template-columns:.8fr 1.2fr}
  .intro-grid,.section-heading{grid-template-columns:1fr 1fr;gap:7%}
  .capability-grid{grid-template-columns:repeat(2,1fr)}
  .resource-grid{grid-template-columns:1fr}
  .control-block{grid-template-columns:1fr}
  .control-photo img{min-height:280px}
  .record-layout{grid-template-columns:1fr;gap:50px}
  .founder-layout{grid-template-columns:1fr 1fr;gap:5%}
  .founder-photo{min-height:340px}
  .team-layout{grid-template-columns:1fr 1fr;gap:5%}
}

@media(max-width:700px){
  body{padding-bottom:68px}
  .section-shell{width:calc(100% - 36px)}
  .page-progress{height:2px}
  .nav-float{top:auto;left:15px;right:15px;bottom:12px;transform:none;width:auto;height:auto}
  .nav-pill{position:static;left:auto;transform:none;justify-content:space-between;border-radius:9px;padding:5px;width:100%}
  .nav-pill a{flex:1;text-align:center;padding:11px 2px;font-size:11px}
  .corner-logo{top:16px;left:18px}
  .corner-logo img{width:44px}
  .hero-layout{width:calc(100% - 36px);display:block;padding:96px 0 94px}
  .hero-copy h1{font-size:clamp(52px,15vw,76px);margin:25px 0 18px}
  .hero-en{font-size:10px}
  .hero-card{margin-top:70px;border-radius:9px}
  .hero-card img{aspect-ratio:1.25}
  .hero-card figcaption{left:14px;right:14px;bottom:13px}
  .hero-card figcaption span{font-size:7px}
  .hero-card figcaption strong{font-size:12px}
  .hero-scroll{display:none}
  .intro,.record{padding-block:78px}
  .section-label{margin-bottom:35px}
  .intro-grid,.section-heading{display:block}
  .intro h2,.section-heading h2,.founder-copy h2,.team-copy h2{font-size:clamp(38px,10vw,52px)}
  .intro-copy{margin-top:35px;font-size:15px}
  .intro-copy .lead{font-size:19px}
  .fact-grid{grid-template-columns:1fr 1fr;margin-top:55px}
  .fact-grid article{padding:21px 15px}
  .fact-grid article:nth-child(2){border-right:0}
  .fact-grid article:nth-child(-n+2){border-bottom:1px solid #cbd0cc}
  .fact-grid article:nth-child(3){padding-left:0}
  .fact-grid strong{font-size:38px}
  .capabilities,.founder,.partnership,.team{padding-block:76px}
  .section-heading>p{margin-top:24px;font-size:14px}
  .capability-grid{grid-template-columns:1fr}
  .capability-grid article{min-height:0;padding:24px}
  .capability-grid h3{font-size:22px;margin:22px 0 12px}
  .control-block{margin-top:42px}
  .control-photo img{min-height:210px;aspect-ratio:1.6}
  .control-copy{padding:26px 22px}
  .control-copy h3{font-size:24px;margin:16px 0 18px}
  .resource-grid article{padding:24px 22px}
  .case-grid{grid-template-columns:1fr;gap:14px}
  .case-card h3{font-size:19px;margin:20px 20px 10px}
  .case-card>p{margin:0 20px;font-size:13.5px}
  .case-card dl{margin:18px 20px 14px}
  .case-card small{margin:6px 20px 0}
  .record-layout{gap:38px;margin-top:50px}
  .timeline article{grid-template-columns:62px 1fr;gap:12px}
  .timeline time{font-size:19px}
  .record-media img{aspect-ratio:1.35}
  .full-bleed img{aspect-ratio:1.4}
  .full-bleed figcaption{left:18px;right:18px;bottom:24px}
  .founder-layout{display:block}
  .founder-photo{min-height:0;margin-bottom:34px}
  .founder-photo img{max-height:360px;margin-inline:auto}
  .founder-copy>p:not(.section-label):not(.founder-role){font-size:14px}
  .credential-list li{grid-template-columns:56px 1fr;gap:12px;font-size:13px}
  .team-layout{display:block}
  .team-photo img{aspect-ratio:1.2}
  .team-copy{margin-top:42px}
  .partner-columns{grid-template-columns:1fr}
  .partner-column{padding:26px 22px}
  .partner-note{font-size:12.5px}
  .closing{min-height:650px}
  .closing h2{font-size:clamp(52px,14vw,76px)}
  .footer{padding-block:25px;flex-wrap:wrap}
  .footer span:nth-child(2){order:3;flex-basis:100%}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .case-card img,.record-media img{transition:none}
}

/* Year sticker for the current event entry. */
.nav-pill .nav-event{position:relative}
.nav-year{position:absolute;top:-8px;right:0;display:block;padding:3px 5px 2px;border:1px solid #b9f78c;border-radius:3px;background:#83d84b;color:#152015;font:900 10px/1 Arial,sans-serif;letter-spacing:.04em;transform:rotate(12deg);box-shadow:1px 2px 0 #0005;pointer-events:none}
@media(max-width:700px){.nav-year{top:-7px;right:3px;padding:3px 4px 2px;font-size:9px;transform:rotate(12deg)}}