:root{
  --blue:#1063A8;
  --blue-deep:#0A2E4D;
  --blue-light:#7FC4E8;
  --blue-mist:#F2F7FB;
  --green:#1F7A4C;
  --green-light:#9BD8B0;
  --orange:#E8580C;
  --orange-deep:#C94809;
  --sand:#F5B63C;
  --ink:#0F1B24;
  --gray-blue:#4A5C6B;
  --line:#D7E2EA;
  --white:#FFFFFF;
  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shell:1240px;
  --pad:clamp(18px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.7;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
main{display:block}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
strong{font-weight:700}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:1px}

/* ---------- shell ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;
  left:var(--pad);
  top:-72px;
  z-index:300;
  background:var(--orange);
  color:#fff;
  font-weight:700;
  font-size:14px;
  padding:11px 20px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  color:#fff;
  background:linear-gradient(180deg,rgba(10,46,77,.90) 0%,rgba(10,46,77,.62) 100%);
  border-bottom:1px solid rgba(127,196,232,.24);
  transition:background .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.site-header.is-solid{
  background:var(--blue);
  border-bottom-color:var(--blue-light);
  box-shadow:0 16px 36px -24px rgba(10,46,77,.95);
}
.site-header.is-open{background:var(--blue-deep);border-bottom-color:var(--blue-deep)}
.header-inner{
  position:relative;
  z-index:2;
  padding-top:9px;
}
.header-rail{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:8px;
  margin-bottom:8px;
  border-bottom:1px solid rgba(127,196,232,.22);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.09em;
  color:rgba(255,255,255,.78);
}
.header-rail__note{display:flex;align-items:center;gap:8px}
.header-rail__ver{color:var(--sand)}
.live-dot{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--orange);
  animation:pulse 1.9s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.32}}
.header-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand__mark{
  width:34px;height:34px;flex:none;
  display:grid;place-items:center;
  background:var(--orange);
  color:#fff;
  font-family:var(--font-head);
  font-weight:900;
  font-size:17px;
  line-height:1;
  transform:skewX(-7deg);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16;min-width:0}
.brand__name{font-family:var(--font-head);font-weight:900;font-size:19px;letter-spacing:-.02em}
.brand__sub{font-size:11.5px;letter-spacing:.06em;color:rgba(255,255,255,.7)}
.header-tools{display:flex;align-items:center;gap:12px}
.quick-nav{display:none;align-items:center;gap:18px}
.quick-nav__link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:rgba(255,255,255,.86);
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.quick-nav__link:hover{color:#fff;border-bottom-color:var(--sand)}
.quick-nav__link:first-child::before{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--orange);
  margin-right:7px;
  vertical-align:middle;
  animation:pulse 1.9s var(--ease) infinite;
}
.header-cta{display:none}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 13px;
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--sand);background:rgba(245,182,60,.12)}
.nav-toggle__bars{position:relative;width:16px;height:2px;background:currentColor}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .24s var(--ease);
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

/* ---------- primary nav ---------- */
.site-nav{
  max-height:0;
  overflow:hidden;
  opacity:0;
  transition:max-height .34s var(--ease),opacity .24s var(--ease);
}
.site-nav[data-open]{
  max-height:74vh;
  overflow:auto;
  opacity:1;
  background:var(--blue-deep);
  margin-inline:calc(-1 * var(--pad));
  padding-inline:var(--pad);
  border-top:1px solid rgba(127,196,232,.24);
}
.site-nav__list{display:flex;flex-direction:column;padding:6px 0 10px}
.site-nav__link{
  position:relative;
  display:block;
  padding:12px 0;
  font-family:var(--font-head);
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  color:rgba(255,255,255,.88);
  transition:color .2s var(--ease);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:8px;
  height:2px;
  background:var(--sand);
  transition:right .24s var(--ease);
}
.site-nav__link:hover{color:#fff}
.site-nav__link:hover::after{right:0}
.site-nav__link[aria-current="page"]{color:var(--sand)}
.site-nav__link[aria-current="page"]::after{right:0;background:var(--orange)}
.site-nav__meta{display:flex;flex-wrap:wrap;gap:10px;padding:4px 0 18px}
.site-nav__meta a{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  padding:7px 12px;
  border:1px solid rgba(127,196,232,.42);
  color:rgba(255,255,255,.88);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__meta a:hover{background:var(--blue);border-color:var(--blue-light)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 20px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:14px;
  letter-spacing:.01em;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .18s var(--ease),border-color .2s var(--ease);
}
.btn--accent{background:var(--orange);color:#fff}
.btn--accent:hover{background:var(--orange-deep);transform:translateY(-1px)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-deep);transform:translateY(-1px)}
.btn--green{background:var(--green);color:#fff}
.btn--green:hover{background:#17603B;transform:translateY(-1px)}
.btn--line{border-color:currentColor;color:inherit;background:transparent}
.btn--line:hover{background:rgba(127,196,232,.16)}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--blue-light);
  margin-bottom:10px;
}
.vnote{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--gray-blue);
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.01em}

/* ---------- sections ---------- */
.section{position:relative;padding-block:clamp(46px,7vw,88px)}
.section--mist{background:var(--blue-mist)}
.section--blue{background:var(--blue);color:#fff}
.section--green{background:var(--green);color:#fff}
.section--deep{background:var(--blue-deep);color:#fff}
.section--deep .sec-sub,
.section--blue .sec-sub,
.section--green .sec-sub{color:rgba(255,255,255,.78)}
.sec-head{margin-bottom:clamp(20px,3vw,36px);max-width:78ch}
.sec-num{
  display:block;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--orange);
  margin-bottom:10px;
}
.sec-title{
  font-family:var(--font-head);
  font-weight:900;
  font-size:clamp(27px,4.4vw,44px);
  line-height:1.14;
  letter-spacing:-.02em;
}
.sec-sub{font-size:16.5px;color:var(--gray-blue);margin-top:12px;max-width:62ch}
.hr{height:1px;background:var(--line);border:0}
.stack > * + *{margin-top:18px}

/* ---------- grid ---------- */
.grid{display:grid;gap:clamp(16px,2.8vw,32px)}
.grid--5-7,.grid--7-5,.grid--2-1,.grid--1-2,.grid--3-4,.grid--4-3{grid-template-columns:1fr}
@media (min-width:820px){
  .grid--5-7{grid-template-columns:5fr 7fr}
  .grid--7-5{grid-template-columns:7fr 5fr}
  .grid--2-1{grid-template-columns:2fr 1fr}
  .grid--1-2{grid-template-columns:1fr 2fr}
  .grid--3-4{grid-template-columns:3fr 4fr}
  .grid--4-3{grid-template-columns:4fr 3fr}
}

/* ---------- card ---------- */
.card{
  background:#fff;
  border:1px solid var(--line);
  padding:clamp(18px,2.6vw,28px);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.card:hover{border-color:var(--blue-light)}
.card--flush{padding:0;overflow:hidden}
.card--deep{background:var(--blue-deep);border-color:rgba(127,196,232,.28);color:#fff}

/* ---------- data strip ---------- */
.data-strip{
  display:grid;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  grid-template-columns:repeat(auto-fit,minmax(148px,1fr));
}
.data-strip__item{
  background:#fff;
  padding:16px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:7px;
}
.data-strip--deep{background:rgba(127,196,232,.24);border-color:rgba(127,196,232,.24)}
.data-strip--deep .data-strip__item{background:var(--blue-deep);color:#fff}
.data-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--blue);
}
.data-num--orange{color:var(--orange)}
.data-num--green{color:var(--green)}
.data-num--sand{color:var(--sand)}
.data-label{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--gray-blue);
}
.data-strip--deep .data-label{color:rgba(255,255,255,.7)}

/* ---------- media ---------- */
.media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-deep) 58%,var(--green) 100%);
}
.media > img{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--3x2{aspect-ratio:3/2}
.media--1x1{aspect-ratio:1/1}
.media--4x5{aspect-ratio:4/5}
.media__caption{font-size:13px;color:var(--gray-blue);margin-top:8px}

/* ---------- tag ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  padding:4px 9px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--gray-blue);
}
.tag--live{background:var(--orange);border-color:var(--orange);color:#fff}
.tag--live::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:#fff;
  animation:pulse 1.6s var(--ease) infinite;
}
.tag--done{background:var(--green-light);border-color:var(--green-light);color:var(--blue-deep)}
.tag--soon{background:var(--sand);border-color:var(--sand);color:var(--ink)}
.tag--blue{background:var(--blue);border-color:var(--blue);color:#fff}

/* ---------- link / breadcrumb ---------- */
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:14px;
  color:var(--blue);
  padding-bottom:2px;
  border-bottom:1px solid var(--blue-light);
  transition:gap .22s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow:hover{gap:13px;color:var(--orange);border-bottom-color:var(--orange)}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:16px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--gray-blue);
}
.breadcrumb a{color:var(--blue)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb__sep{color:var(--line)}

/* ---------- disclosure ---------- */
.disclosure{border-top:1px solid var(--line)}
.disclosure:last-child{border-bottom:1px solid var(--line)}
.disclosure__trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:18px 0;
  font-family:var(--font-head);
  font-weight:700;
  font-size:17px;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.disclosure__trigger:hover{color:var(--blue)}
.disclosure__icon{
  flex:none;
  width:16px;height:16px;
  position:relative;
  transition:transform .24s var(--ease);
}
.disclosure__icon::before,
.disclosure__icon::after{
  content:"";position:absolute;background:var(--orange);
}
.disclosure__icon::before{left:0;top:7px;width:16px;height:2px}
.disclosure__icon::after{left:7px;top:0;width:2px;height:16px}
.disclosure[data-open] .disclosure__icon{transform:rotate(45deg)}
.disclosure__panel{
  display:none;
  padding:0 0 22px;
  font-size:15.5px;
  color:var(--gray-blue);
  max-width:74ch;
}
.disclosure[data-open] .disclosure__panel{display:block}

/* ---------- prose ---------- */
.prose{max-width:68ch;font-size:16.5px;line-height:1.78}
.prose > * + *{margin-top:1em}
.prose h2{
  font-family:var(--font-head);
  font-weight:900;
  font-size:clamp(22px,3vw,30px);
  line-height:1.24;
  letter-spacing:-.02em;
  margin-top:1.7em;
}
.prose h3{
  font-family:var(--font-head);
  font-weight:700;
  font-size:20px;
  line-height:1.32;
  margin-top:1.5em;
}
.prose li{position:relative;padding-left:20px}
.prose li + li{margin-top:.4em}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.75em;
  width:9px;
  height:2px;
  background:var(--orange);
}
.prose a{color:var(--blue);border-bottom:1px solid var(--blue-light)}

/* ---------- reveal ---------- */
[data-reveal]{
  transition:opacity .44s var(--ease),transform .44s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
[data-reveal].is-pending{opacity:0;transform:translateY(16px)}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  background:var(--blue-deep);
  color:#fff;
  padding:clamp(48px,6vw,76px) 0 30px;
  overflow:hidden;
}
.footer-rule{
  display:block;
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background:linear-gradient(90deg,
    var(--blue) 0 38%,
    var(--blue-light) 38% 52%,
    var(--green) 52% 74%,
    var(--sand) 74% 86%,
    var(--orange) 86% 100%);
}
.footer-grid{display:grid;gap:34px}
.footer-brand__name{
  font-family:var(--font-head);
  font-weight:900;
  font-size:clamp(26px,3.4vw,34px);
  line-height:1.1;
  letter-spacing:-.02em;
}
.footer-brand__sub{
  margin-top:9px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--blue-light);
}
.footer-brand__note{
  margin-top:15px;
  font-size:14.5px;
  color:rgba(255,255,255,.7);
  max-width:36ch;
}
.footer-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 20px;align-content:start}
.footer-nav__link{
  display:inline-block;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.86);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-nav__link:hover{color:var(--sand);border-bottom-color:var(--sand)}
.footer-nav__link[aria-current="page"]{color:var(--sand)}
.footer-contact__title{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--blue-light);
  margin-bottom:10px;
}
.footer-contact__item{
  font-size:14.5px;
  color:rgba(255,255,255,.86);
  padding:3px 0;
}
.footer-contact__mail,
.footer-contact__tel{font-family:var(--font-mono);font-size:14px;letter-spacing:.01em}
.footer-service{
  margin-top:32px;
  padding-top:16px;
  border-top:1px solid rgba(127,196,232,.22);
  font-size:13px;
  color:rgba(255,255,255,.56);
  max-width:78ch;
}
.footer-base{
  margin-top:22px;
  padding-top:16px;
  border-top:1px solid rgba(127,196,232,.22);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-base__icp{font-family:var(--font-mono);letter-spacing:.04em}
.corner-version{
  position:fixed;
  right:0;
  bottom:0;
  z-index:70;
  padding:7px 13px 7px 18px;
  background:var(--green);
  color:#fff;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  pointer-events:none;
  clip-path:polygon(13px 0,100% 0,100% 100%,0 100%);
}

/* ---------- responsive ---------- */
@media (min-width:560px){
  .header-cta{display:inline-flex}
}
@media (min-width:680px){
  .footer-grid{grid-template-columns:1.4fr 1fr}
}
@media (min-width:900px){
  .header-rail{display:flex}
  .nav-toggle{display:none}
  .site-nav{
    max-height:none;
    overflow:visible;
    opacity:1;
    border-top:1px solid rgba(127,196,232,.24);
  }
  .site-nav[data-open]{
    max-height:none;
    overflow:visible;
    background:transparent;
    margin-inline:0;
    padding-inline:0;
  }
  .site-nav__list{flex-direction:row;flex-wrap:wrap;gap:0 30px;padding:0}
  .site-nav__link{font-size:15.5px;padding:11px 0 13px}
  .site-nav__link::after{bottom:7px}
  .site-nav__link[aria-current="page"]{color:#fff}
  .site-nav__meta{display:none}
  .header-bar{padding-bottom:8px}
}
@media (min-width:1000px){
  .quick-nav{display:flex}
}
@media (min-width:1020px){
  .footer-grid{grid-template-columns:1.5fr .85fr 1.05fr}
  .footer-nav{grid-template-columns:1fr}
}

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