:root{
  --orange:#F37021;
  --ink:#111111;
  --text:#333333;
  --muted:#555555;
  --soft:#F7F7F7;
  --line:#ECECEC;
  --white:#FFFFFF;
  --display:'Anton',Impact,sans-serif;
  --body:'Quicksand','Helvetica Neue',sans-serif;
}
html[lang="zh"]{--display:'Noto Sans SC',sans-serif;--body:'Noto Sans SC',sans-serif}
html[lang="ar"]{--display:'Cairo',sans-serif;--body:'Cairo',sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;font-weight:500}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--ink)}
a:hover{color:var(--orange)}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:72px}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 28px;padding-top:12px;padding-bottom:12px}
.logo{font-family:'Anton',Impact,sans-serif;font-size:26px;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;color:var(--ink)}
.logo span{color:var(--orange)}
.nav{display:flex;flex-wrap:wrap;gap:0 20px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.nav a{text-decoration:none;padding:10px 0}
.langs{display:flex;gap:4px;flex-wrap:wrap}
.langs a{font-size:13px;font-weight:700;text-decoration:none;padding:8px 10px;min-height:36px;display:inline-flex;align-items:center;border:1px solid var(--line)}
.langs a[aria-current="true"]{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* type */
.eyebrow{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.eyebrow::before{content:"";width:32px;height:3px;background:var(--orange);flex:0 0 auto}
.on-orange .eyebrow::before{background:var(--ink)}
h1,h2,h3{font-family:var(--display);font-weight:400;margin:0;text-transform:uppercase;letter-spacing:.01em}
html[lang="zh"] h1,html[lang="zh"] h2,html[lang="zh"] h3,html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{font-weight:900;letter-spacing:0}
h1{font-size:clamp(42px,6.2vw,84px);line-height:1.02}
h2{font-size:clamp(36px,4.6vw,62px);line-height:1.04}
h3{font-size:30px;line-height:1.08}
html[lang="zh"] h1,html[lang="ar"] h1{line-height:1.25;font-size:clamp(34px,4.4vw,60px)}
html[lang="zh"] h2,html[lang="ar"] h2{font-size:clamp(30px,3.8vw,50px)}
html[lang="zh"] h2,html[lang="ar"] h2{line-height:1.3}
.accent{color:var(--orange)}
.lead{font-size:19px;color:var(--text);margin:0;max-width:640px}
p{margin:0}
figure{margin:0;display:flex;flex-direction:column;gap:8px}
figcaption{font-size:14px;color:var(--muted)}
.dark figcaption{color:#BBBBBB}

/* layout helpers */
.row{display:flex;flex-wrap:wrap;gap:16px}
.split{display:flex;flex-wrap:wrap;gap:24px 64px;align-items:flex-end}
.split>*{flex:1 1 420px;min-width:0}
.stack{display:flex;flex-direction:column;gap:16px}
.pad{padding:104px 0}
.sec{display:flex;flex-direction:column;gap:48px}
.cover{width:100%;object-fit:cover}

/* hero */
.hero .wrap{display:flex;flex-wrap:wrap;gap:48px 64px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero .txt{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:24px}
.hero figure{flex:1 1 420px;min-width:0}
.hero img{aspect-ratio:3/2;object-fit:cover}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;min-height:52px;padding:0 28px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:15px;text-decoration:none}
.btn.primary{background:var(--orange);color:var(--ink)}
.btn.primary:hover{background:var(--ink);color:var(--white)}
.btn.ghost{border:2px solid var(--ink);color:var(--ink)}

/* facts */
.facts{background:var(--ink);color:var(--white)}
.facts .wrap{display:flex;flex-wrap:wrap;gap:28px 36px;padding-top:44px;padding-bottom:44px}
.fact{flex:1 1 180px;min-width:0}
.fact b{display:block;font-family:var(--display);font-weight:400;font-size:44px;line-height:1;color:var(--orange)}
html[lang="zh"] .fact b,html[lang="ar"] .fact b{font-family:'Anton',Impact,sans-serif}
.fact span{display:block;font-size:15px;padding-top:8px}

/* videos */
.videos{display:flex;flex-wrap:wrap;gap:24px}
.vcard{flex:1 1 460px;min-width:0;display:flex;flex-wrap:wrap;gap:20px;background:var(--soft);padding:20px;align-items:center}
.vcard video{flex:0 0 240px;width:240px;aspect-ratio:9/16;object-fit:cover;background:#000}
.vcard .q{flex:1 1 220px;min-width:0;display:flex;flex-direction:column;gap:12px}
.vcard blockquote{margin:0;font-size:21px;font-weight:700;line-height:1.4}
.vcard blockquote::before{content:"\201C";display:block;font-family:'Anton',Impact,sans-serif;font-size:64px;line-height:.6;color:var(--orange);padding-bottom:8px}
.note{font-size:13px;color:var(--muted)}

/* gallery partnership */
.big{flex:2 1 460px;min-width:0}
.big img{height:640px;object-fit:cover;object-position:center 25%}
.side{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:16px}
.side img{height:300px;object-fit:cover;object-position:center 35%}
.quad figure{flex:1 1 240px;min-width:0}
.quad img{aspect-ratio:3/4;object-fit:cover}

/* timeline */
.timeline{display:flex;flex-wrap:wrap;gap:1px;background:var(--line);border:1px solid var(--line)}
.timeline>div{flex:1 1 260px;min-width:0;background:var(--white);padding:28px;display:flex;flex-direction:column;gap:8px}
.timeline .when{font-family:var(--display);font-size:30px;line-height:1;color:var(--orange)}
html[lang="zh"] .timeline .when,html[lang="ar"] .timeline .when{font-weight:900}
.timeline .what{font-weight:700;font-size:18px}
.timeline p{font-size:16px;color:var(--text)}

/* person card */
.person{display:flex;flex-wrap:wrap;gap:28px 40px;align-items:center;background:var(--soft);padding:32px}
.person .avatar{flex:0 0 140px;width:140px;height:140px;border-radius:50%;object-fit:cover}
.person .info{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:6px}
.person .role{font-size:14px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.person figure{flex:1 1 320px;min-width:0}
.person figure img{aspect-ratio:16/9;object-fit:cover}

/* summit */
.soft{background:var(--soft)}
.summit .wrap{display:flex;flex-wrap:wrap;gap:40px 64px;align-items:center}
.summit .txt{flex:1 1 400px;min-width:0;display:flex;flex-direction:column;gap:16px}
.summit .pics{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:16px}
.summit .pics img{aspect-ratio:3/2;object-fit:cover}
.summit .pics .row img{flex:1 1 240px;min-width:0;width:100%}
.meta{display:flex;flex-wrap:wrap;gap:6px 24px;font-size:15px;font-weight:700}
.meta span::before{content:"";display:inline-block;width:8px;height:8px;background:var(--orange);margin-inline-end:8px;vertical-align:middle}

/* protocols */
.protos>div{flex:1 1 200px;min-width:0;border-top:4px solid var(--orange);padding-top:20px;display:flex;flex-direction:column;gap:6px}
.protos h3{font-family:'Anton',Impact,sans-serif;font-weight:400;font-size:32px}
.protos p,.cards p{font-size:16px;color:var(--text)}
.cards>div{flex:1 1 320px;min-width:0;padding:32px;background:var(--soft);display:flex;flex-direction:column;gap:10px}
.cards>div.hot{background:var(--orange)}
.cards>div.hot p{color:var(--ink);font-weight:600}
.curriculum{columns:3 240px;column-gap:32px;margin:0;padding:0;list-style:none}
.curriculum li{break-inside:avoid;padding:10px 0;border-bottom:1px solid var(--line);font-weight:600}
.curriculum li::before{content:"";display:inline-block;width:8px;height:8px;background:var(--orange);margin-inline-end:12px;vertical-align:middle}

/* certification */
.dark{background:var(--ink);color:var(--white)}
.dark .lead,.dark .steps p{color:#DDDDDD}
.steps{list-style:none;margin:0;padding:0;border-top:1px solid #333}
.steps li{display:flex;gap:24px;padding:22px 0;border-bottom:1px solid #333}
.steps .n{flex:0 0 44px;font-family:'Anton',Impact,sans-serif;font-size:36px;line-height:1;color:var(--orange)}
.steps b{display:block;font-size:18px;padding-bottom:4px}
.certs figure{flex:1 1 420px;min-width:0}
.certs img{background:#fff;aspect-ratio:1.414/1;object-fit:contain}
.verify{border:2px solid var(--orange);padding:24px 28px;display:flex;flex-direction:column;gap:6px}
.verify b{font-size:18px}
.event figure{flex:1 1 320px;min-width:0}
.event img{aspect-ratio:16/9;object-fit:cover}

/* results */
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{font:inherit;font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase;min-height:44px;padding:0 18px;background:var(--white);color:var(--ink);border:2px solid var(--ink);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--orange);border-color:var(--orange)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.gallery figure[hidden]{display:none}
.gallery img{aspect-ratio:4/5;object-fit:cover;width:100%;cursor:zoom-in}
.gallery figcaption{font-weight:700;color:var(--ink)}
.disclaimer{font-size:14px;color:var(--muted)}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;padding:24px;z-index:50}
.lb.open{display:flex}
.lb img{max-height:90vh;width:auto}
.lb button{position:absolute;top:16px;inset-inline-end:16px;width:48px;height:48px;border:0;background:var(--orange);color:var(--ink);font-size:26px;font-weight:700;cursor:pointer}

/* request */
.on-orange{background:var(--orange);color:var(--ink)}
.on-orange .lead{color:var(--ink);font-weight:600}
.req .wrap{display:flex;flex-wrap:wrap;gap:48px 72px}
.req .txt{flex:1 1 440px;min-width:0;display:flex;flex-direction:column;gap:18px}
.req .list{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:12px}
.req .list div{background:var(--white);padding:24px 28px;display:flex;flex-direction:column;gap:6px}
.req .list b{font-size:18px}
.req .list p{font-size:16px;color:var(--text)}

/* footer */
.foot{background:var(--ink);color:var(--white)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:32px 64px;justify-content:space-between;align-items:center;padding-top:56px;padding-bottom:56px}
.foot .who{flex:1 1 340px;min-width:0;display:flex;gap:20px;align-items:center}
.foot .who img{flex:0 0 88px;width:88px;height:88px;border-radius:50%;object-fit:cover;object-position:center 20%}
.foot .name{font-family:var(--display);font-size:28px;text-transform:uppercase;line-height:1.1}
.foot .contact{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:4px;font-size:15px}
.foot .contact .lbl{font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange)}
.foot a{color:var(--white)}
.foot a:hover{color:var(--orange)}
.foot .langs a{border-color:#444;color:var(--white)}
.foot .langs a[aria-current="true"]{background:var(--orange);color:var(--ink);border-color:var(--orange)}

@media (max-width:720px){
  body{font-size:16px}
  .pad{padding:72px 0}
  .nav{display:none}
  .big img{height:420px}
  .vcard video{flex-basis:100%;width:100%;max-height:70vh}
  .person{padding:24px}
}