:root{--ink:#17212b;--muted:#5d6875;--paper:#f5f3ee;--red:#981f22;--red2:#701417;--gold:#c19b5a;--line:#ddd8cf;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.65 Arial,Helvetica,sans-serif;color:var(--ink)}a{color:var(--red);text-decoration:none}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.top{background:#101820;color:#fff;font-size:.9rem}.top .wrap{display:flex;justify-content:space-between;padding:8px 0}.top a{color:#fff}.nav{position:sticky;top:0;z-index:5;background:#fffffff2;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.nav .wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between}.brand{font:700 1.35rem Georgia,serif;color:var(--ink)}.brand small{display:block;font:normal .66rem Arial;letter-spacing:.12em;color:var(--muted)}.links{display:flex;gap:22px;align-items:center}.links a{color:var(--ink);font-weight:700;font-size:.9rem}.btn{display:inline-block;background:var(--red);color:#fff!important;padding:12px 18px;border-radius:3px;font-weight:700}.btn:hover{background:var(--red2)}.ghost{background:transparent;border:1px solid #fff}.hero{background:linear-gradient(115deg,#0e161e,#24313e 65%,#453233);color:#fff;padding:105px 0 95px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-weight:700;color:var(--gold);font-size:.78rem}.hero h1{font:700 clamp(3.2rem,7vw,6.4rem)/.95 Georgia,serif;max-width:1000px;margin:15px 0 25px}.lead{font-size:1.3rem;max-width:800px;color:#e2e7ea}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.stats{background:var(--paper)}.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:25px 15px;text-align:center;border-right:1px solid var(--line)}.stat strong{display:block;color:var(--red);font:700 1.45rem Georgia,serif}section{padding:80px 0}.head{max-width:820px;margin-bottom:40px}.head h2,.split h2{font:700 clamp(2.1rem,4vw,3.1rem)/1.1 Georgia,serif;margin:8px 0 15px}.head p{font-size:1.08rem;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid var(--line);padding:29px;background:#fff;box-shadow:0 10px 30px #1111}.card h3{font:700 1.45rem Georgia,serif;margin-top:0}.dark{background:#111820;color:#fff}.dark p{color:#d7dde2}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}.box{background:#fff;color:var(--ink);padding:35px;border:1px solid var(--line)}.quote{font:1.35rem/1.5 Georgia,serif;border-left:4px solid var(--gold);padding-left:22px}.tag{display:inline-block;border:1px solid #c8c1b5;padding:4px 8px;margin:4px;font-size:.75rem}.paper{background:var(--paper)}.timeline{border-left:2px solid var(--line);padding-left:25px}.timeline div{margin-bottom:24px}.timeline strong{color:var(--red)}.bio{max-width:900px}.bio h3{font:700 1.7rem Georgia,serif;margin-top:38px}.cta{background:var(--red);color:#fff}.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:35px}.cta h2{font:700 2.5rem Georgia,serif;margin:0}.contact{display:grid;grid-template-columns:1fr 1fr;gap:30px}.contactbox{background:var(--paper);padding:30px;border:1px solid var(--line)}footer{background:#0c1117;color:#bcc5cc;padding:45px 0 25px}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px}footer a{color:#fff}.fine{border-top:1px solid #29333c;margin-top:25px;padding-top:18px;font-size:.8rem}@media(max-width:850px){.links{display:none}.stats .wrap,.grid,.split,.contact,.foot{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.cta .wrap{display:block}.top .wrap{display:block;text-align:center}.hero{padding:70px 0}}
.mayor{background:#fff}.civic-card{background:var(--ink);color:#fff;padding:42px;text-align:center}.civic-mark{display:inline-block;border:3px solid var(--gold);padding:22px 34px;font:700 2.2rem/1 Georgia,serif;letter-spacing:.08em;color:#fff;margin-bottom:18px}.mini{margin-top:12px;padding:9px 12px}.china-visual{min-height:150px;background:linear-gradient(135deg,#1b2630,#73383a);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;margin:0 0 20px;text-align:center}.china-visual span{letter-spacing:.22em;font-size:.8rem}.china-visual strong{font:700 2rem Georgia,serif;margin:7px}.china-visual small{color:#eee}.outline{background:#fff!important;color:var(--red)!important;border:1px solid var(--red)}.patent-sheet{display:block;background:#faf9f4;border:1px solid #bbb;padding:34px;color:#111;box-shadow:0 18px 40px #1112}.patent-sheet:hover{transform:translateY(-2px)}.us{text-transform:uppercase;letter-spacing:.18em;font-weight:700;border-bottom:2px solid #222;padding-bottom:10px}.pat-no{font:700 2.1rem Georgia,serif;margin:25px 0 15px}.pat-title{font:700 1.2rem Georgia,serif}.inventor{margin:20px 0;color:#555}.diagram{display:flex;gap:10px;align-items:center;justify-content:center;border:1px solid #bbb;padding:22px;margin:25px 0}.diagram span{border:1px solid #555;padding:8px;font-size:.75rem}.diagram i{font-style:normal}.view{font-weight:700;color:var(--red)}.links-section .head h2{color:#fff}.link-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.link-grid a{display:block;border:1px solid #3b4650;padding:24px;color:#fff;background:#ffffff08}.link-grid strong{display:block;font:700 1.25rem Georgia,serif;color:#fff;margin-bottom:5px}.link-grid span{color:#cbd3d9}@media(max-width:850px){.link-grid{grid-template-columns:1fr}}
/* Version 4 enhancements */
.box p{color:#172033}.dark .box{background:#fff;color:#111827}.dark .box h3{color:#0b2345}.dark .box .tag{color:#fff}
.media-card{background:#fff;border:1px solid #e2e5ea;border-radius:18px;overflow:hidden;box-shadow:0 14px 36px rgba(7,24,49,.10)}
.media-card img{display:block;width:100%;height:auto}.media-card .pad{padding:22px}.media-card h3{margin-top:0}
.feature-book{display:grid;grid-template-columns:minmax(260px,.75fr) 1.25fr;gap:36px;align-items:center}.book-cover{box-shadow:0 18px 50px rgba(0,0,0,.22);border-radius:8px;width:100%;max-width:470px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.gallery button{padding:0;border:0;background:none;cursor:pointer;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.12)}.gallery img{display:block;width:100%;height:230px;object-fit:cover}.gallery .portrait{object-position:center 15%}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.video-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid #e3e6eb}.video-card iframe{display:block;width:100%;aspect-ratio:16/9;border:0}.video-card div{padding:16px}.video-card strong{display:block;margin-bottom:6px}
.logo-panel{background:#fff;border-radius:18px;padding:24px;display:flex;align-items:center;justify-content:center}.logo-panel img{max-width:100%;height:auto}
.visual-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}.visual-grid img{width:100%;display:block;border-radius:16px;box-shadow:0 12px 30px rgba(0,0,0,.15)}
.speaking-gallery{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px;margin-top:26px}.speaking-shot{min-height:250px;border-radius:16px;background:linear-gradient(145deg,#0b2345,#244e7d);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:end;box-shadow:0 12px 30px rgba(0,0,0,.13)}.speaking-shot strong{font:700 1.7rem Georgia,serif}.speaking-shot small{font-size:.95rem;opacity:.85;margin-top:6px}
.lightbox{display:none;position:fixed;z-index:9999;inset:0;background:rgba(0,0,0,.9);padding:30px;align-items:center;justify-content:center}.lightbox.open{display:flex}.lightbox img{max-width:95vw;max-height:90vh;object-fit:contain}.lightbox button{position:absolute;right:24px;top:18px;font-size:34px;color:#fff;background:none;border:0;cursor:pointer}
.section-note{font-size:.95rem;color:#687386}.dark .section-note{color:#d8e0ea}
@media(max-width:850px){.feature-book,.visual-grid{grid-template-columns:1fr}.gallery,.video-grid,.speaking-gallery{grid-template-columns:1fr}.gallery img{height:auto}.book-cover{max-width:360px;margin:auto}}
.civic-photo{position:relative;padding:0;overflow:hidden;border-radius:16px}.civic-photo img{width:100%;height:360px;object-fit:cover;display:block}.civic-photo span{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;background:linear-gradient(transparent,#000c);color:#fff;font-weight:700}.mayor-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.mayor-gallery button,.china-gallery button{border:0;padding:0;background:none;cursor:pointer;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px #0002}.mayor-gallery img{display:block;width:100%;height:220px;object-fit:cover}.china-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}.china-gallery button{position:relative}.china-gallery img{display:block;width:100%;height:245px;object-fit:cover}.china-gallery .china-feature{grid-column:span 2;grid-row:span 2}.china-gallery .china-feature img{height:506px}.china-feature span{position:absolute;left:0;right:0;bottom:0;padding:28px;background:linear-gradient(transparent,#000d);color:#fff;text-align:left}.china-feature strong{display:block;font:700 1.8rem Georgia,serif}.china-feature small{display:block;margin-top:4px;font-size:.95rem}@media(max-width:850px){.mayor-gallery,.china-gallery{grid-template-columns:1fr}.china-gallery .china-feature{grid-column:auto;grid-row:auto}.china-gallery .china-feature img,.china-gallery img,.mayor-gallery img,.civic-photo img{height:auto}}