/* ===== 1. reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,picture,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;-webkit-appearance:none;appearance:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--kiwi);outline-offset:3px;border-radius:4px}

/* ===== 2. tokens ===== */
:root{
  --kiwi:#A8F03C;
  --kiwi-soft:#D6FF8F;
  --ink:#0A2A20;
  --night:#123B2C;
  --cobalt:#2A63E8;
  --cobalt-deep:#0B2A63;
  --flame:#FF7A33;
  --paper:#F2ECDD;
  --paper-edge:#DCD2BB;
  --paper-ink:#132018;
  --text:#E9F2EA;
  --text-dim:rgba(233,242,234,.66);
  --hair:rgba(214,255,143,.18);
  --hair-strong:rgba(214,255,143,.4);
  --shadow-hard:6px 6px 0 rgba(3,16,12,.55);
  --shadow-hard-sm:3px 3px 0 rgba(3,16,12,.5);
  --ease:cubic-bezier(0.2,0.7,0.2,1);
  --dur:200ms;
  --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --shell:min(1440px,100% - 2.5rem);
  --r-card:18px;
  --r-pill:999px;
  --sp-section:clamp(56px,9vw,140px);
}

/* ===== 3. base ===== */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    repeating-linear-gradient(90deg,rgba(168,240,60,.045) 0 1px,transparent 1px 120px),
    repeating-linear-gradient(0deg,rgba(42,99,232,.12) 0 1px,transparent 1px 120px);
  color:var(--text);
  font-family:var(--sans);
  font-size:clamp(15px,.5vw + 13.4px,17px);
  line-height:1.85;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:900;line-height:1.14;letter-spacing:-.03em;color:var(--paper)}
h1{font-size:clamp(2.4rem,6vw,5.4rem)}
h2{font-size:clamp(1.75rem,3.4vw,3rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.55rem);letter-spacing:-.02em}
p{max-width:40ch}
strong,b{font-weight:800;color:var(--paper)}
::selection{background:var(--kiwi);color:var(--ink)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* ===== 4. layout ===== */
.wrap{width:var(--shell);margin-inline:auto}
.wrap--narrow{width:min(860px,var(--shell));margin-inline:auto}
.section{padding-block:var(--sp-section)}
.section__head{display:flex;flex-direction:column;gap:.9rem;margin-bottom:clamp(28px,4vw,56px);max-width:62ch}
.section__eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--kiwi)}
.section__eyebrow::before{content:"";width:26px;height:2px;background:var(--kiwi)}
.section__title{font-size:clamp(1.9rem,4vw,3.4rem)}
.section__lead{color:var(--text-dim);max-width:38ch}
.layout-split{display:grid;grid-template-columns:3fr 9fr;gap:clamp(24px,3vw,56px);align-items:start}
.card-flow{display:grid;gap:clamp(18px,2.4vw,34px)}
.grid-cards{display:grid;gap:clamp(16px,2vw,28px);grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.rule{border:0;height:2px;background:var(--hair-strong);margin-block:clamp(24px,4vw,56px)}
.rule--thin{height:1px;background:var(--hair)}
.grid-veil{position:absolute;inset:0;z-index:0;pointer-events:none;background-image:repeating-linear-gradient(90deg,rgba(168,240,60,.07) 0 1px,transparent 1px 88px),repeating-linear-gradient(0deg,rgba(42,99,232,.18) 0 1px,transparent 1px 88px)}
.side-label{writing-mode:vertical-rl;font-family:var(--mono);font-size:.7rem;letter-spacing:.34em;text-transform:uppercase;color:var(--kiwi-soft)}

/* ===== 5. buttons & tags ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.62rem 1.15rem;border:2px solid var(--hair-strong);border-radius:var(--r-pill);font-weight:700;font-size:.92rem;line-height:1.2;color:var(--paper);box-shadow:var(--shadow-hard-sm);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.btn:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 rgba(3,16,12,.55)}
.btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(3,16,12,.55)}
.btn--primary{background:var(--kiwi);color:var(--ink);border-color:var(--ink)}
.btn--primary:hover{background:var(--kiwi-soft)}
.btn--ghost{background:transparent;color:var(--kiwi)}
.btn--ghost:hover{background:rgba(168,240,60,.12)}
.btn--paper{background:var(--paper);color:var(--paper-ink);border-color:var(--paper-edge)}
.tag-row{display:flex;gap:.5rem;overflow-x:auto;padding:.25rem .1rem .6rem;scroll-snap-type:x proximity;scrollbar-width:thin}
.tag-row::-webkit-scrollbar{height:4px}
.tag-row::-webkit-scrollbar-thumb{background:var(--hair-strong);border-radius:var(--r-pill)}
.tag{flex:0 0 auto;scroll-snap-align:center;padding:.35rem .9rem;border:2px solid var(--hair);border-radius:var(--r-pill);font-size:.85rem;color:var(--text-dim);white-space:nowrap;transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.tag:hover{color:var(--kiwi-soft);background:rgba(214,255,143,.12)}
.tag--active{background:#05190F;color:var(--kiwi);border-color:var(--kiwi);font-weight:700}
@media (prefers-reduced-motion:no-preference){.tag-row{scroll-behavior:smooth}}

/* ===== 6. header ===== */
.skip-link{position:fixed;top:.6rem;left:.6rem;z-index:200;transform:translateY(-220%);display:inline-block;padding:.6rem 1.1rem;border-radius:var(--r-pill);background:var(--kiwi);color:var(--ink);font-weight:800;font-size:.88rem;transition:transform var(--dur) var(--ease)}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:90;padding:.85rem 0 .5rem}
.site-header__inner{position:relative;width:var(--shell);margin-inline:auto}
.read-progress{position:absolute;top:-.85rem;left:calc(50% - 50vw);width:100vw;height:3px;background:rgba(214,255,143,.14);overflow:hidden}
.read-progress__bar{display:block;height:100%;width:0;background:var(--kiwi);transition:width 120ms linear}
.capsule{position:relative;display:flex;align-items:center;gap:.5rem;padding:.45rem .55rem .45rem .9rem;border:2px solid var(--hair);border-radius:var(--r-pill);background:rgba(10,42,32,.74);backdrop-filter:blur(12px) saturate(140%);-webkit-backdrop-filter:blur(12px) saturate(140%);transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.site-header[data-scrolled="true"] .capsule{background:var(--ink);border-color:var(--hair-strong);box-shadow:var(--shadow-hard-sm)}
.brand{display:flex;align-items:center;gap:.6rem;flex:0 0 auto;padding-right:.7rem;border-right:1px solid var(--hair)}
.brand__mark{position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--kiwi);border:2px solid var(--ink);box-shadow:0 0 0 2px var(--kiwi)}
.brand__mark::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--ink)}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-weight:900;font-size:1.05rem;letter-spacing:-.03em;color:var(--paper)}
.brand__sub{font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;color:var(--kiwi)}
.nav-panel{display:flex;align-items:center;flex:1 1 auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:.15rem;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;padding:.15rem .1rem}
.nav-list::-webkit-scrollbar{display:none}
.nav-list li{flex:0 0 auto}
.nav-link{display:inline-block;white-space:nowrap;padding:.42rem .86rem;border:1px solid transparent;border-radius:var(--r-pill);color:var(--text-dim);font-size:.94rem;font-weight:500;scroll-snap-align:center;transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.nav-link:hover{color:var(--kiwi-soft);background:rgba(214,255,143,.12)}
.nav-link[aria-current="page"]{background:#05190F;color:var(--kiwi);border-color:rgba(168,240,60,.55);font-weight:800}
.capsule__tail{display:flex;align-items:center;gap:.4rem;margin-left:auto;flex:0 0 auto}
.nav-cta{display:inline-flex;align-items:center;gap:.45rem;white-space:nowrap;padding:.5rem 1.05rem;border:2px solid var(--ink);border-radius:var(--r-pill);background:var(--kiwi);color:var(--ink);font-weight:800;font-size:.9rem;letter-spacing:-.01em;box-shadow:var(--shadow-hard-sm);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav-cta::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ink)}
.nav-cta:hover{background:var(--kiwi-soft);transform:translate(-1px,-1px);box-shadow:5px 5px 0 rgba(3,16,12,.55)}
.nav-cta:active{transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(3,16,12,.55)}
.nav-toggle{display:none;position:relative;width:44px;height:44px;align-items:center;justify-content:center;border:2px solid var(--hair-strong);border-radius:var(--r-pill);color:var(--kiwi);transition:background var(--dur) var(--ease)}
.nav-toggle:hover{background:rgba(168,240,60,.14)}
.nav-toggle__bars{display:flex;flex-direction:column;align-items:center;gap:4px}
.nav-toggle__bar{display:block;width:18px;height:2px;background:currentColor;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== 7. footer ===== */
.site-footer{position:relative;margin-top:var(--sp-section);background:var(--ink);border-top:1px solid var(--kiwi);overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background-color:var(--cobalt-deep);background-image:repeating-linear-gradient(90deg,rgba(168,240,60,.07) 0 1px,transparent 1px 96px);opacity:.78;pointer-events:none}
.site-footer>*{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.6fr 1fr;gap:clamp(26px,3.6vw,56px);padding:clamp(46px,6.5vw,86px) 0 clamp(26px,4vw,44px)}
.footer-col{min-width:0}
.footer-brand{font-weight:900;font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.03em;color:var(--paper);line-height:1.1}
.footer-tagline{margin-top:.7rem;color:var(--text-dim);font-size:.95rem;max-width:32ch}
.footer-stamp{margin-top:1.1rem;font-size:.7rem;letter-spacing:.2em;color:var(--kiwi);text-transform:uppercase}
.footer-title{margin-bottom:1rem;font-family:var(--mono);font-size:.75rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--kiwi-soft)}
.footer-list{display:grid;gap:.6rem}
.footer-link{display:inline-block;padding-bottom:2px;border-bottom:1px solid transparent;color:var(--text);font-size:.95rem;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.footer-link:hover{color:var(--kiwi);border-bottom-color:var(--kiwi)}
.footer-contact{display:grid;gap:.9rem}
.contact-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35rem .6rem;padding-top:.7rem;border-top:1px solid rgba(168,240,60,.22)}
.contact-label{flex:0 0 auto;font-size:.68rem;letter-spacing:.18em;color:var(--kiwi-soft);text-transform:uppercase}
.contact-value{flex:1 1 auto;min-width:0;font-family:var(--mono);font-size:.88rem;color:var(--paper);word-break:break-word}
.copy-chip{flex:0 0 auto;padding:.18rem .6rem;border:1px solid var(--hair-strong);border-radius:var(--r-pill);font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;color:var(--text-dim);transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.copy-chip:hover{background:var(--kiwi);border-color:var(--kiwi);color:var(--ink)}
.copy-chip[data-copied="true"]{background:var(--flame);border-color:var(--flame);color:#fff}
.footer-note{margin-top:1rem;color:var(--text-dim);font-size:.85rem;max-width:34ch}
.footer-bottom{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;align-items:center;justify-content:space-between;padding:1.15rem 0 2rem;border-top:1px solid var(--hair)}
.footer-copy{font-size:.8rem;color:var(--text-dim);max-width:none}
.footer-icp{font-size:.8rem;color:var(--kiwi-soft)}

/* ===== 8. components ===== */
.breadcrumbs{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;padding:.9rem 0 0;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em}
.breadcrumbs__item{display:flex;align-items:center;gap:.5rem;color:var(--text-dim)}
.breadcrumbs__item+.breadcrumbs__item::before{content:"/";color:var(--hair-strong)}
.breadcrumbs__link{color:var(--kiwi-soft);border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease)}
.breadcrumbs__link:hover{border-bottom-color:var(--kiwi)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

.dossier{display:grid;gap:.85rem;padding:clamp(16px,2vw,24px);border:2px solid var(--hair-strong);border-radius:var(--r-card);background:var(--night);box-shadow:var(--shadow-hard);transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.dossier:hover{border-color:var(--kiwi)}
.dossier[data-open="true"]{border-color:var(--kiwi)}
.dossier__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1rem}
.dossier__title{font-size:clamp(1.05rem,1.5vw,1.35rem);color:var(--paper)}
.dossier__meta{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--kiwi)}
.dossier__toggle{justify-self:start;display:inline-flex;align-items:center;gap:.5rem;padding:.32rem .8rem;border:1px solid var(--hair-strong);border-radius:var(--r-pill);font-size:.8rem;color:var(--text-dim);transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.dossier__toggle::after{content:"+";font-family:var(--mono);font-size:.95rem;line-height:1;color:var(--kiwi);transition:transform var(--dur) var(--ease)}
.dossier__toggle:hover{background:rgba(168,240,60,.12);color:var(--paper);border-color:var(--kiwi)}
.dossier__toggle[aria-expanded="true"]::after{transform:rotate(45deg)}

.panel{border-bottom:2px solid var(--hair);padding-block:1rem}
.panel__trigger{display:flex;width:100%;align-items:center;justify-content:space-between;gap:1rem;text-align:left;font-weight:800;font-size:clamp(1rem,1.4vw,1.2rem);color:var(--paper);transition:color var(--dur) var(--ease)}
.panel__trigger::after{content:"＋";font-family:var(--mono);color:var(--kiwi)}
.panel__trigger[aria-expanded="true"]{color:var(--kiwi)}
.panel__trigger[aria-expanded="true"]::after{content:"－"}

.panel__body,.dossier__body{display:grid;grid-template-rows:0fr;visibility:hidden;opacity:0;transition:grid-template-rows 220ms var(--ease),opacity 200ms var(--ease),visibility 200ms var(--ease)}
.panel__body[data-open="true"],.dossier__body[data-open="true"]{grid-template-rows:1fr;visibility:visible;opacity:1}
.panel__body-inner,.dossier__body-inner{min-height:0;overflow:hidden}
.panel__body-inner>*,.dossier__body-inner>*{padding-top:.9rem}
.panel__body-inner p,.dossier__body-inner p{color:var(--text-dim);max-width:38ch}

.rail{position:sticky;top:6.5rem;display:grid;gap:.9rem;padding-right:1rem;border-right:2px solid var(--hair)}
.rail__list{display:grid;gap:.15rem}
.rail__item{min-width:0}
.rail__link{display:block;padding:.5rem .2rem .5rem .85rem;border-left:3px solid rgba(214,255,143,.2);font-size:.95rem;color:var(--text-dim);transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.rail__link:hover{color:var(--paper);background:rgba(214,255,143,.07)}
.rail__link[aria-current="true"]{color:var(--kiwi);border-left-color:var(--kiwi);background:rgba(168,240,60,.1)}

.data-figure{display:grid;gap:.4rem;padding:clamp(14px,2vw,22px);border:2px solid var(--hair-strong);border-radius:var(--r-card);background:rgba(11,42,99,.55)}
.data-figure__num{font-family:var(--mono);font-size:clamp(1.9rem,4.4vw,3.6rem);line-height:1;letter-spacing:-.04em;color:var(--kiwi)}
.data-figure__label{font-size:.82rem;color:var(--text-dim)}
.pull-data{font-family:var(--mono);font-size:clamp(3rem,9vw,7rem);line-height:1;letter-spacing:-.045em;color:var(--kiwi)}

.media-frame{position:relative;overflow:hidden;border:2px solid var(--hair-strong);border-radius:var(--r-card);background:var(--night);box-shadow:var(--shadow-hard)}
.media-frame img,.media-frame svg,.media-frame picture{width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--3x4{aspect-ratio:3/4}
.media-frame__caption{position:absolute;inset:auto 0 0 0;padding:.5rem .85rem;border-top:1px solid var(--hair-strong);background:rgba(10,42,32,.88);font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;color:var(--kiwi-soft)}

.prose-panel{padding:clamp(22px,4vw,54px);border:2px solid var(--paper-edge);border-radius:var(--r-card);background:var(--paper);color:var(--paper-ink);box-shadow:var(--shadow-hard)}
.prose{max-width:38ch}
.prose>*+*{margin-top:1.1em}
.prose h2,.prose h3{color:var(--paper-ink)}
.prose h2{margin-top:1.8em;font-size:clamp(1.4rem,2.6vw,2.1rem)}
.prose h3{margin-top:1.5em}
.prose p{max-width:38ch}
.prose ul{display:grid;gap:.55rem;padding-left:1.1rem}
.prose li{position:relative;padding-left:1rem}
.prose li::before{content:"";position:absolute;left:0;top:.85em;width:8px;height:8px;border-radius:2px;background:var(--cobalt)}
.prose a{color:var(--cobalt);border-bottom:1px solid currentColor}
.prose strong{color:var(--paper-ink)}
.prose-note{margin-top:1.4em;padding:.85rem 1rem;border-left:4px solid var(--flame);background:rgba(255,122,51,.12);font-size:.88rem}

/* ===== 9. motion / reveal ===== */
.js [data-reveal]{opacity:0;transform:translate3d(0,14px,0);transition:opacity 240ms var(--ease),transform 240ms var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ===== 10. responsive ===== */
@media (max-width:1080px){
  .layout-split{grid-template-columns:1fr}
  .rail{position:static;border-right:0;border-bottom:2px solid var(--hair);padding:0 0 .8rem}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .capsule{padding:.4rem .5rem .4rem .75rem}
  .nav-toggle{display:inline-flex}
  .nav-panel{position:absolute;top:calc(100% + .55rem);left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:.15rem;padding:.85rem;border:2px solid var(--hair-strong);border-radius:24px;background:var(--night);box-shadow:var(--shadow-hard)}
  .nav-panel[data-open="true"]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;overflow:visible;gap:.15rem;padding:0}
  .nav-link{display:block;padding:.7rem .9rem;border-radius:14px;font-size:1rem}
  .nav-link[aria-current="page"]{border-color:var(--kiwi)}
  .brand{border-right:0;padding-right:.2rem}
}
@media (max-width:640px){
  :root{--shell:min(1440px,100% - 1.6rem)}
  .brand__sub{display:none}
  .nav-cta{padding:.44rem .78rem;font-size:.82rem}
  .brand__name{font-size:.98rem}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .prose-panel{border-radius:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .js [data-reveal]{opacity:1;transform:none}
  .read-progress__bar{transition:none}
}