*,*::before,*::after{box-sizing:border-box}
html{color-scheme:dark;-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
button:not(:disabled){cursor:pointer}
a{color:inherit;text-decoration:none}

:root{
--ink:#0C1110;
--forest:#0B3B32;
--panel:#145A4A;
--orange:#FF6A2B;
--orange-warm:#FFA36B;
--orange-deep:#C43E00;
--ice:#8FD8FF;
--mint:#3AF2B0;
--paper:#F4F1E8;
--graphite:#5B6661;
--mist:#8A948F;
--line-ice:rgba(143,216,255,.22);
--line-ice-soft:rgba(143,216,255,.12);
--line-ink:rgba(12,17,16,.55);
--font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
--font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
--radius:2px;
--edge:clamp(1.1rem,3vw,2.6rem);
--maxw:1320px;
}

body{
background:var(--ink);
color:var(--paper);
font-family:var(--font-body);
font-size:16.5px;
line-height:1.75;
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
}
@media(min-width:760px){body{font-size:17px}}
::selection{background:var(--mint);color:var(--ink)}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:2px}
#main-content{display:block}
main:focus{outline:none}

/* ---------- header frame ---------- */
.site-header{
position:sticky;top:0;z-index:60;
background:linear-gradient(180deg,#0C4036 0%,#0B3B32 62%,#0A332C 100%);
color:var(--paper);
border-bottom:2px solid #0C1110;
box-shadow:inset 0 -1px 0 rgba(143,216,255,.32),0 16px 34px -26px rgba(0,0,0,.95);
}
.site-header::before{
content:"";
display:block;height:5px;
background:
repeating-linear-gradient(90deg,var(--orange) 0 18px,var(--orange-deep) 18px 36px) left center/34% 100% no-repeat,
linear-gradient(90deg,rgba(143,216,255,.42),rgba(143,216,255,.06)) right center/66% 100% no-repeat;
}
.skip-link{
position:absolute;left:var(--edge);top:-120px;z-index:200;
padding:.6rem 1.05rem;
background:var(--mint);color:var(--ink);
font-weight:800;font-size:.85rem;letter-spacing:.06em;
border:1px solid var(--ink);border-radius:var(--radius);
transition:top .16s ease;
}
.skip-link:focus{top:.55rem;outline:2px solid var(--paper);outline-offset:2px}

.site-header__inner{
width:100%;max-width:var(--maxw);margin-inline:auto;
padding:.8rem var(--edge) .95rem;
display:flex;align-items:center;justify-content:space-between;
gap:.85rem 1.8rem;flex-wrap:wrap;
}

.brand{display:inline-flex;align-items:center;gap:.7rem;flex:0 0 auto;color:var(--paper)}
.brand__mark{
display:grid;place-items:center;
width:2.45rem;height:2.45rem;
font-family:var(--font-mono);font-size:.9rem;font-weight:700;letter-spacing:.06em;
color:var(--ink);background:var(--mint);
border:1px solid var(--ink);border-radius:1px;
box-shadow:3px 3px 0 0 var(--orange);
transform:skewX(-5deg);
transition:box-shadow .18s ease,transform .18s ease;
}
.brand:hover .brand__mark,.brand:focus-visible .brand__mark{box-shadow:4px 4px 0 0 var(--ice);transform:skewX(-5deg) translate(-1px,-1px)}
.brand__text{display:flex;flex-direction:column;gap:.1rem;line-height:1.1}
.brand__name{font-size:1.03rem;font-weight:800;letter-spacing:.06em}
.brand__meta{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.2em;color:var(--ice);text-transform:uppercase}

.nav-toggle{
display:none;align-items:center;gap:.55rem;
padding:.5rem .72rem;
color:var(--paper);
background:rgba(12,17,16,.32);
border:1px solid rgba(143,216,255,.45);border-radius:var(--radius);
font-size:.8rem;font-weight:700;letter-spacing:.14em;
transition:border-color .16s ease,color .16s ease,background-color .16s ease;
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--ice);color:var(--ice);background:rgba(12,17,16,.5)}
.nav-toggle__bars{display:grid;gap:3px;width:1.05rem}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__text{white-space:nowrap}

.site-nav{
display:flex;align-items:center;justify-content:flex-end;
gap:clamp(.6rem,1.6vw,1.6rem);
flex:1 1 520px;
}
.site-nav__list{
display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;
gap:clamp(.35rem,1.3vw,1.25rem);
counter-reset:nav;
}
.site-nav__item{display:inline-flex}
.site-nav__link{
position:relative;display:inline-flex;align-items:baseline;
counter-increment:nav;
padding:.5rem .1rem .58rem;
font-size:.94rem;font-weight:700;letter-spacing:.03em;
color:rgba(244,241,232,.84);
border-radius:1px;
transition:color .18s ease;
}
.site-nav__link::before{
content:counter(nav,decimal-leading-zero);
margin-right:.42em;
font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;
color:var(--ice);opacity:.72;
transform:translateY(-.34em);
transition:color .18s ease,opacity .18s ease;
}
.site-nav__link::after{
content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
background:linear-gradient(90deg,var(--ice),var(--mint));
transform:scaleX(0);transform-origin:left center;
transition:transform .22s ease;
}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link:hover::after,.site-nav__link:focus-visible::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--orange)}
.site-nav__link[aria-current="page"]::before{color:var(--orange);opacity:1}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1);background:linear-gradient(90deg,var(--orange),var(--orange-warm))}
.site-nav__cta{flex:0 0 auto;white-space:nowrap}

.site-progress{
position:absolute;left:0;right:0;bottom:-2px;height:3px;
background:rgba(143,216,255,.14);
overflow:hidden;
}
.site-progress__bar{
display:block;height:100%;width:0;
background:linear-gradient(90deg,var(--mint),var(--ice) 48%,var(--orange));
transition:width .1s linear;
}

/* ---------- buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:.5em;
padding:.62rem 1.05rem;
font-family:var(--font-body);font-size:.9rem;font-weight:800;letter-spacing:.04em;
border:1px solid transparent;border-radius:var(--radius);
transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
}
.btn--primary{background:var(--orange);color:var(--ink);box-shadow:3px 3px 0 0 rgba(12,17,16,.6)}
.btn--primary:hover{background:var(--orange-warm);transform:translate(-1px,-2px);box-shadow:4px 5px 0 0 rgba(12,17,16,.68)}
.btn--primary:active{background:var(--orange-deep);color:var(--paper);transform:translate(1px,1px);box-shadow:1px 1px 0 0 rgba(12,17,16,.55)}
.btn--ghost{background:transparent;color:var(--ice);border-color:rgba(143,216,255,.55);box-shadow:3px 3px 0 0 rgba(143,216,255,.16)}
.btn--ghost:hover{color:var(--paper);border-color:var(--ice);background:rgba(143,216,255,.1);transform:translate(-1px,-2px)}
.btn--ghost:active{transform:translate(1px,1px);box-shadow:1px 1px 0 0 rgba(143,216,255,.2)}

/* ---------- text utilities ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--edge)}
.wrap--narrow{max-width:900px}
.section{padding-block:clamp(2.4rem,5.5vw,4.6rem)}
.section__head{
display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
gap:.9rem 2rem;margin-bottom:clamp(1.1rem,2.4vw,1.9rem);
}
.eyebrow{
display:inline-flex;align-items:center;gap:.55rem;
font-family:var(--font-mono);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;
color:var(--ice);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange)}
.display{
display:block;
font-family:var(--font-display);font-weight:900;
font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.02;letter-spacing:-.012em;
color:var(--paper);
transform:skewX(-4deg);transform-origin:left bottom;
padding-inline-start:.05em;
}
.lead{max-width:68ch;font-size:clamp(1rem,1.35vw,1.1rem);line-height:1.8;color:rgba(244,241,232,.82)}
.rule{height:1px;border:0;margin-block:clamp(1.4rem,3vw,2.4rem);background:linear-gradient(90deg,rgba(143,216,255,.5),rgba(143,216,255,0))}
.vert-note{
writing-mode:vertical-rl;
font-family:var(--font-mono);font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;
color:rgba(143,216,255,.72);
}

/* ---------- tags ---------- */
.tag{
display:inline-flex;align-items:center;gap:.4em;
padding:.22rem .55rem;
font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;line-height:1.55;
border:1px solid currentColor;border-radius:1px;
}
.tag--orange{color:var(--orange);background:rgba(255,106,43,.12)}
.tag--mint{color:var(--mint);background:rgba(58,242,176,.1)}
.tag--ice{color:var(--ice);background:rgba(143,216,255,.1)}
.tag--muted{color:var(--mist);background:rgba(138,148,143,.12)}

/* ---------- grid & cards ---------- */
.grid{display:grid;gap:clamp(.9rem,2vw,1.4rem)}
.grid--bento{grid-template-columns:repeat(12,minmax(0,1fr))}
@media(max-width:920px){.grid--bento{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media(max-width:560px){.grid--bento{grid-template-columns:repeat(2,minmax(0,1fr))}}

.card{
position:relative;
background:var(--panel);color:var(--paper);
border:1px solid var(--line-ice);border-radius:var(--radius);
padding:clamp(1rem,2vw,1.45rem);
transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--ice);box-shadow:0 16px 30px -22px rgba(0,0,0,.95)}
.card--paper{
background:var(--paper);color:var(--ink);
border-color:var(--ink);
box-shadow:4px 4px 0 0 rgba(12,17,16,.45);
}
.card--paper:hover{border-color:var(--orange-deep);box-shadow:5px 6px 0 0 rgba(12,17,16,.5)}
.card__title{font-size:1.08rem;font-weight:800;letter-spacing:.02em;line-height:1.35}
.card__body{margin-top:.45rem;font-size:.92rem;line-height:1.7;color:rgba(244,241,232,.78)}
.card--paper .card__body{color:var(--graphite)}

.stat{display:flex;flex-direction:column;gap:.18rem}
.stat__value{
font-family:var(--font-mono);font-weight:700;letter-spacing:.02em;line-height:1;
font-size:clamp(1.8rem,3.4vw,2.6rem);
color:var(--mint);
}
.stat__label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}

.breadcrumb{font-size:.78rem;letter-spacing:.05em}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;color:var(--mist)}
.breadcrumb__list li{display:inline-flex;align-items:center;gap:.45rem}
.breadcrumb__list li+li::before{content:"/";color:rgba(143,216,255,.45)}
.breadcrumb a{color:var(--ice);transition:color .16s ease}
.breadcrumb a:hover{color:var(--paper)}

/* ---------- media containers ---------- */
.media{
position:relative;overflow:hidden;
aspect-ratio:16/9;
border:1px solid var(--line-ice);border-radius:var(--radius);
background:
radial-gradient(120% 92% at 18% 6%,rgba(143,216,255,.24),transparent 62%),
linear-gradient(158deg,#12564A 0%,#0A2E28 74%);
}
.media__img{width:100%;height:100%;object-fit:cover}
.media__placeholder{
position:absolute;inset:0;
display:grid;place-items:center;
font-family:var(--font-mono);font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;
color:rgba(143,216,255,.55);
background:repeating-linear-gradient(135deg,rgba(143,216,255,.07) 0 1px,transparent 1px 10px);
}
.media__caption{
position:absolute;left:0;right:0;bottom:0;
padding:.5rem .7rem;
font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
color:rgba(244,241,232,.82);
background:linear-gradient(0deg,rgba(12,17,16,.9),rgba(12,17,16,0));
}
.media__data{
position:absolute;top:.6rem;right:.6rem;
padding:.1rem .4rem;
font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;
color:var(--mint);background:rgba(12,17,16,.6);
border:1px solid var(--mint);border-radius:1px;
}
.media--portrait{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--wide{aspect-ratio:21/9}

/* ---------- footer ---------- */
.site-footer{
position:relative;overflow:hidden;
margin-top:clamp(2.6rem,6vw,5rem);
background:linear-gradient(180deg,#0B3B32 0%,#08302A 58%,#0A332C 100%);
color:rgba(244,241,232,.88);
border-top:2px solid #0C1110;
box-shadow:inset 0 1px 0 rgba(143,216,255,.32);
}
.site-footer::before{
content:"";position:absolute;top:0;left:0;right:0;height:4px;
background:repeating-linear-gradient(90deg,var(--orange) 0 14px,transparent 14px 32px);
opacity:.9;
}
.site-footer::after{
content:"";position:absolute;left:0;right:0;bottom:0;height:32px;
background:repeating-linear-gradient(135deg,rgba(143,216,255,.09) 0 1px,transparent 1px 9px);
pointer-events:none;
}
.site-footer__inner{
position:relative;z-index:1;
width:100%;max-width:var(--maxw);margin-inline:auto;
padding:clamp(2.2rem,5vw,3.6rem) var(--edge) 1.5rem;
}
.footer-grid{
display:grid;gap:clamp(1.6rem,3vw,3rem);
grid-template-columns:1.55fr .85fr .85fr 1.15fr;
}
@media(max-width:1020px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}}

.footer-brand{display:flex;flex-direction:column;gap:.85rem}
.brand--footer .brand__name{font-size:1.06rem}
.footer-brand__desc{max-width:34ch;font-size:.9rem;line-height:1.75;color:rgba(244,241,232,.72)}
.footer-brand__badge{margin-top:.1rem}

.footer-col{display:flex;flex-direction:column;gap:.7rem;min-width:0}
.footer-col__title{
font-family:var(--font-mono);font-size:.68rem;font-weight:700;
letter-spacing:.22em;text-transform:uppercase;
color:var(--mint);
padding-bottom:.55rem;
border-bottom:1px solid rgba(143,216,255,.2);
}
.footer-list{display:flex;flex-direction:column;gap:.3rem}
.footer-link{
display:inline-block;padding-block:.16rem;
font-size:.92rem;color:rgba(244,241,232,.76);
background:linear-gradient(var(--ice),var(--ice)) no-repeat 0 100%/0 1px;
transition:color .16s ease,background-size .2s ease;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--paper);background-size:100% 1px}

.footer-contact{display:grid;gap:.65rem}
.footer-contact__item{display:grid;gap:.08rem;min-width:0}
.footer-contact__key{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--mint)}
.footer-contact__value{font-size:.9rem;line-height:1.6;color:rgba(244,241,232,.9);overflow-wrap:anywhere}
.footer-note{margin-top:.2rem;font-size:.78rem;line-height:1.7;color:rgba(244,241,232,.62)}

.site-footer__baseline{
display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
gap:.5rem 1.6rem;
margin-top:clamp(1.8rem,3.5vw,2.8rem);
padding-top:1rem;
border-top:1px solid rgba(143,216,255,.18);
font-size:.78rem;letter-spacing:.02em;
color:rgba(244,241,232,.62);
}
.footer-copy{max-width:60ch}
.footer-filing{font-family:var(--font-mono);letter-spacing:.08em;color:rgba(143,216,255,.84)}

/* ---------- reveal protocol ---------- */
.has-reveal [data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .45s ease,transform .45s ease}
.has-reveal [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- responsive header ---------- */
@media(max-width:920px){
.nav-toggle{display:inline-flex;order:2;margin-left:auto}
.brand{order:1}
.site-nav{
display:none;order:3;
flex:1 1 100%;
flex-direction:column;align-items:stretch;justify-content:flex-start;
gap:.3rem;
margin-top:.35rem;padding-top:.55rem;
border-top:1px solid rgba(143,216,255,.22);
}
.site-nav[data-open]{display:flex}
.site-nav__list{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0}
.site-nav__item{display:block;border-bottom:1px solid var(--line-ice-soft)}
.site-nav__link{display:flex;width:100%;padding:.78rem .15rem;font-size:1rem}
.site-nav__link::after{display:none}
.site-nav__item{border-left:2px solid transparent;transition:border-color .16s ease,background-color .16s ease}
.site-nav__item:hover,.site-nav__item:focus-within{border-left-color:var(--ice);background:rgba(143,216,255,.06)}
.site-nav__cta{align-self:flex-start;margin-top:.85rem}
}
@media(max-width:560px){
.site-header__inner{padding-top:.7rem;padding-bottom:.8rem}
.brand__mark{width:2.1rem;height:2.1rem;font-size:.8rem;box-shadow:2px 2px 0 0 var(--orange)}
.brand__meta{display:none}
.display{transform:skewX(-3deg)}
.site-footer__baseline{flex-direction:column;align-items:flex-start}
}

@media(prefers-reduced-motion:reduce){
*,*::before,*::after{
animation-duration:.001ms!important;
animation-iteration-count:1!important;
transition-duration:.001ms!important;
scroll-behavior:auto!important;
}
.has-reveal [data-reveal]{opacity:1!important;transform:none!important}
.site-progress__bar{transition:none!important}
}