:root{--green:#16a34a;--green-d:#15803d;--blue:#1f6fb2;--blue-d:#0f4c81;--ink:#0f1b14;--ink-2:#33433a;--muted:#6b7b72;--line:#e6ece8;--bg:#fff;--bg-soft:#f4f8f5;--grad:linear-gradient(120deg,#0f4c81 0%,#16a34a 100%);--shadow:0 10px 30px -12px rgba(15,76,129,.25);--shadow-lg:0 24px 60px -20px rgba(15,76,129,.35);--radius:18px;--radius-sm:12px;--maxw:1180px;--font:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink-2);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.98rem;padding:.85rem 1.6rem;border-radius:999px;border:0;cursor:pointer;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px -8px rgba(22,163,74,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(22,163,74,.7)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:transparent;color:var(--blue-d);border:1.5px solid var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-lg{padding:1rem 2rem;font-size:1.05rem}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;padding:14px 0}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 4px 20px -10px rgba(0,0,0,.2);padding:8px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand .logo{height:46px;width:auto;display:flex;align-items:center;flex:none}
.brand .b-text{display:flex;flex-direction:column;line-height:1.15}
.brand .b-text b{font-size:1.02rem;color:#fff;transition:.3s}
.brand .b-text span{font-size:.66rem;font-weight:600;letter-spacing:1.5px;color:rgba(255,255,255,.8);transition:.3s}
.scrolled .brand .b-text b{color:var(--ink)}
.scrolled .brand .b-text span{color:var(--muted)}
.menu{display:flex;align-items:center;gap:2px;list-style:none;flex-wrap:nowrap}
.menu a{padding:.45rem .62rem;border-radius:999px;font-size:.88rem;font-weight:600;color:rgba(255,255,255,.92);transition:.2s;white-space:nowrap}
.scrolled .menu a{color:var(--ink-2)}
.menu a:hover,.menu a.active{background:rgba(255,255,255,.16);color:#fff}
.scrolled .menu a:hover,.scrolled .menu a.active{background:var(--bg-soft);color:var(--green-d)}
.nav-cta{flex:none}
.burger{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;border-radius:10px}
.burger span{display:block;width:22px;height:2px;background:#fff;margin:5px auto;transition:.3s;border-radius:2px}
.scrolled .burger span{background:var(--ink)}
.hero{min-height:92vh;display:flex;align-items:center;color:#fff;position:relative;background:#0c1f17;overflow:hidden}
.hero .bg{position:absolute;inset:0;background:url('../img/hero.jpg') center/cover no-repeat;transform:scale(1.05)}
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,32,55,.92) 0%,rgba(12,53,38,.78) 55%,rgba(22,163,74,.45) 100%)}
.hero .container{position:relative;z-index:2;padding-top:90px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:.45rem 1rem;border-radius:999px;margin-bottom:1.5rem;backdrop-filter:blur(4px)}
.hero .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.3);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(74,222,128,0)}}
.hero h1{font-size:clamp(2.3rem,5vw,4.1rem);font-weight:800;line-height:1.08;letter-spacing:-1px;margin-bottom:1.2rem;max-width:18ch}
.hero h1 .hl{background:linear-gradient(120deg,#4ade80,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(1.05rem,2vw,1.3rem);max-width:50ch;color:rgba(255,255,255,.9);margin-bottom:2rem;font-weight:400}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:3.5rem;flex-wrap:wrap}
.hero-stats .s b{display:block;font-size:2.2rem;font-weight:800;background:linear-gradient(120deg,#4ade80,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .s span{font-size:.85rem;color:rgba(255,255,255,.78)}
.scroll-ind{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.7);font-size:.75rem;text-align:center;letter-spacing:1px}
.scroll-ind .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.5);border-radius:14px;margin:0 auto 8px;position:relative}
.scroll-ind .mouse::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:4px;height:7px;background:#fff;border-radius:2px;animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;top:7px}40%{opacity:1}80%{opacity:0;top:18px}}
.page-hero{padding:160px 0 70px;color:#fff;position:relative;background:var(--grad);overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.page-hero .container{position:relative;z-index:2}
.page-hero .crumb{font-size:.85rem;color:rgba(255,255,255,.8);margin-bottom:.8rem}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.5px}
.page-hero p{max-width:60ch;margin-top:.8rem;color:rgba(255,255,255,.9)}
.sec{padding:90px 0}
.sec.soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 56px}
.sec-head .kicker{font-size:.8rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--green);display:block;margin-bottom:.8rem}
.sec-head h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;color:var(--ink);letter-spacing:-.5px;line-height:1.15}
.sec-head p{color:var(--muted);margin-top:1rem;font-size:1.05rem}
.grid{display:grid;gap:24px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.35s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card .ico{width:58px;height:58px;border-radius:15px;background:linear-gradient(135deg,rgba(22,163,74,.15),rgba(31,111,178,.15));display:grid;place-items:center;font-size:1.6rem;margin-bottom:18px;color:var(--green-d)}
.card h3{font-size:1.22rem;color:var(--ink);margin-bottom:.6rem;font-weight:700}
.card p{color:var(--muted);font-size:.96rem}
.card ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:8px}
.card ul li{position:relative;padding-left:26px;font-size:.92rem;color:var(--ink-2)}
.card ul li::before{content:"\2713";position:absolute;left:0;color:var(--green);font-weight:800}
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.feature .panel{background:var(--grad);border-radius:var(--radius);padding:40px;color:#fff;position:relative;overflow:hidden;min-height:320px;box-shadow:var(--shadow-lg)}
.feature .panel::after{content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.1)}
.feature .panel .tag{display:inline-block;background:rgba(255,255,255,.18);padding:.3rem .9rem;border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:1px;margin-bottom:1rem}
.feature .panel h3{font-size:1.8rem;margin-bottom:1rem;font-weight:800}
.feature .panel ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:1.2rem}
.feature .panel ul li{padding-left:28px;position:relative}
.feature .panel ul li::before{content:"\203A";position:absolute;left:6px;font-weight:800;color:#7dd3fc}
.stats-band{background:var(--ink);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.12}
.stats-band .grid{position:relative;z-index:2;text-align:center}
.stat b{display:block;font-size:2.8rem;font-weight:800;background:linear-gradient(120deg,#4ade80,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:rgba(255,255,255,.75);font-size:.95rem}
.member{text-align:center;padding:28px}
.member .avatar{width:96px;height:96px;border-radius:50%;margin:0 auto 16px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:2rem;font-weight:800;box-shadow:0 10px 24px -10px rgba(22,163,74,.6)}
.member h3{font-size:1.12rem;color:var(--ink);margin-bottom:.2rem}
.member .role{color:var(--green);font-weight:700;font-size:.85rem;margin-bottom:.7rem}
.member p{font-size:.9rem;color:var(--muted)}
.proj{display:flex;flex-direction:column;gap:16px}
.proj-item{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 26px;transition:.25s}
.proj-item:hover{box-shadow:var(--shadow);transform:translateX(4px);border-color:transparent}
.proj-item .yr{font-weight:800;color:var(--blue);background:var(--bg-soft);padding:.5rem .9rem;border-radius:10px;font-size:.85rem;white-space:nowrap}
.proj-item h4{color:var(--ink);font-size:1.04rem;margin-bottom:.2rem}
.proj-item .who{color:var(--muted);font-size:.88rem}
.proj-item .arrow{color:var(--green);font-size:1.3rem;opacity:.4;transition:.25s}
.proj-item:hover .arrow{opacity:1;transform:translateX(4px)}
.partner-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.partner-tags span{background:#fff;border:1px solid var(--line);padding:.7rem 1.3rem;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--ink-2);transition:.25s}
.partner-tags span:hover{border-color:var(--green);color:var(--green-d);box-shadow:var(--shadow)}
.cta-band{background:var(--grad);color:#fff;padding:70px 0;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;margin-bottom:.8rem}
.cta-band p{max-width:50ch;margin:0 auto 1.8rem;color:rgba(255,255,255,.92)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px}
.info-item{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start}
.info-item .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-soft);display:grid;place-items:center;color:var(--green-d);font-size:1.2rem;flex:none}
.info-item b{display:block;color:var(--ink);font-size:.95rem}
.info-item span{color:var(--muted);font-size:.92rem}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form-card label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin:0 0 .4rem}
.form-card input,.form-card textarea{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;margin-bottom:1.1rem;transition:.2s;background:var(--bg-soft)}
.form-card input:focus,.form-card textarea:focus{outline:0;border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(22,163,74,.1)}
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 26px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:40px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:1.1rem;font-weight:700}
.site-footer .brand .b-text b{color:#fff}
.site-footer .brand .b-text span{color:rgba(255,255,255,.6)}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.site-footer ul a:hover{color:#4ade80}
.site-footer .desc{margin:18px 0;max-width:34ch}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:rgba(255,255,255,.55)}
.reveal{opacity:0;transform:translateY(30px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}
@media(max-width:980px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}.feature{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:1024px){.menu{position:fixed;top:0;right:-100%;width:80%;max-width:320px;height:100vh;background:#0c1f17;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:90px 28px;gap:6px;transition:.35s;box-shadow:-10px 0 40px rgba(0,0,0,.3)}.menu.open{right:0}.menu a{width:100%;color:#fff;font-size:1rem;padding:.8rem 1rem}.scrolled .menu a{color:#fff}.burger{display:block;z-index:60}.nav-cta{display:none}.g-3,.g-4,.g-2,.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.proj-item{grid-template-columns:1fr;gap:10px}.proj-item .arrow{display:none}.hero-stats{gap:24px}.sec{padding:64px 0}}

html:not(.js) .reveal{opacity:1;transform:none}
.lang-li{margin-left:6px}
.lang-sw{display:inline-flex;align-items:center;justify-content:center;min-width:38px;padding:.4rem .7rem!important;border:1.5px solid rgba(255,255,255,.5);border-radius:999px;font-weight:700!important;font-size:.82rem!important;letter-spacing:.5px;color:#fff!important}
.lang-sw:hover{background:rgba(255,255,255,.18)!important}
.scrolled .lang-sw{border-color:var(--line);color:var(--green-d)!important}
.scrolled .lang-sw:hover{background:var(--bg-soft)!important}
@media(max-width:760px){.lang-li{margin:8px 0 0}.lang-sw{border-color:rgba(255,255,255,.5)!important;color:#fff!important}}

.lang-switch{display:flex;gap:4px;align-items:center}
.lang-opt{display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px 4px;border-radius:8px;transition:.2s;opacity:.7}
.lang-opt img{width:20px;height:13px;border-radius:2px;display:block;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.lang-opt span{font-size:.58rem;font-weight:800;letter-spacing:.5px;color:#fff;line-height:1}
.scrolled .lang-opt span{color:var(--ink-2)}
.lang-opt.active,.lang-opt:hover{opacity:1;background:rgba(255,255,255,.18)}
.scrolled .lang-opt.active,.scrolled .lang-opt:hover{background:var(--bg-soft)}
@media(max-width:760px){.lang-switch{order:-1}.lang-opt span{color:#fff}.scrolled .lang-opt span{color:var(--ink-2)}}
@media(max-width:420px){.lang-opt{padding:2px 3px}.lang-opt img{width:19px;height:13px}}
html[lang="zh"] body{font-family:'Noto Sans SC','Be Vietnam Pro',sans-serif}
html[lang="lo"] body{font-family:'Noto Sans Lao','Be Vietnam Pro',sans-serif}
html[lang="lo"] .hero h1,html[lang="lo"] .page-hero h1{line-height:1.35}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery .gitem{position:relative;border-radius:14px;overflow:hidden;cursor:pointer;aspect-ratio:4/3;background:var(--bg-soft)}
.gallery .gitem img{width:100%;height:100%;object-fit:cover;transition:.5s}
.gallery .gitem:hover img{transform:scale(1.07)}
.gallery .gitem .cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:.82rem;color:#fff;background:linear-gradient(transparent,rgba(8,20,14,.82));opacity:0;transform:translateY(8px);transition:.3s;line-height:1.35}
.gallery .gitem:hover .cap{opacity:1;transform:none}
.gallery .gitem::after{content:"\\002b";position:absolute;top:10px;right:12px;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;display:grid;place-items:center;font-size:1.1rem;opacity:0;transition:.3s;backdrop-filter:blur(4px)}
.gallery .gitem:hover::after{opacity:1}
.lb{position:fixed;inset:0;z-index:200;background:rgba(6,16,11,.94);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:80vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb .lcap{position:absolute;bottom:5%;left:0;right:0;text-align:center;color:#fff;font-size:.95rem;padding:0 20px}
.lb .x{position:absolute;top:20px;right:26px;color:#fff;font-size:2rem;cursor:pointer;line-height:1;opacity:.8}
.lb .x:hover{opacity:1}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:2.4rem;cursor:pointer;padding:14px;opacity:.7;user-select:none}
.lb .nav:hover{opacity:1}
.lb .prev{left:14px}.lb .next{right:14px}
@media(max-width:760px){.gallery{grid-template-columns:repeat(2,1fr);gap:10px}.gallery .gitem .cap{opacity:1;transform:none;font-size:.72rem}}

.brand .logo img{height:40px;width:auto;display:block;object-fit:contain}
.brand .logo .l-color{display:none}
.scrolled .brand .logo .l-white{display:none}
.scrolled .brand .logo .l-color{display:block}
.site-footer .brand .logo .l-white{display:block}
.site-footer .brand .logo .l-color{display:none}

.pillars-viz{max-width:520px;margin:0 auto 50px;display:block}
.pillars-viz svg{width:100%;height:auto;overflow:visible}
.timeline{position:relative;max-width:840px;margin:0 auto;padding-left:6px}
.timeline::before{content:"";position:absolute;left:107px;top:8px;bottom:6px;width:2px;background:linear-gradient(180deg,#16a34a,#1f6fb2)}
.tl-item{position:relative;padding:0 0 24px 132px;min-height:38px}
.tl-year{position:absolute;left:0;top:4px;width:84px;text-align:right;font-weight:800;color:var(--blue);font-size:.9rem}
.tl-dot{position:absolute;left:100px;top:7px;width:16px;height:16px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(22,163,74,.16);z-index:2}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.25s}
.tl-card:hover{box-shadow:var(--shadow);transform:translateX(4px);border-color:transparent}
.tl-card h4{color:var(--ink);font-size:1.02rem;margin-bottom:.2rem;line-height:1.4}
.tl-card .who{color:var(--muted);font-size:.88rem}
@media(max-width:600px){.timeline::before{left:55px}.tl-item{padding-left:74px}.tl-year{width:44px;font-size:.76rem}.tl-dot{left:48px}}
.info-link{color:inherit;text-decoration:none;transition:.2s;cursor:pointer}
.info-link:hover{color:var(--green-d);text-decoration:underline}
.info-link span{color:inherit}