:root{
  --kui-ink:#0B0F0D;
  --kui-pine:#14432B;
  --kui-pine-light:#2D6A4F;
  --kui-red:#D62828;
  --kui-orange:#F77F00;
  --kui-yellow:#FFB703;
  --kui-gray:#6C757D;
  --kui-cream:#F2F4F3;
  --kui-font-head:"Montserrat","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --kui-font-body:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --kui-font-mono:"JetBrains Mono","Roboto Mono","Consolas","Liberation Mono",monospace;
  --kui-ease:cubic-bezier(.22,.68,0,1);
  --kui-shadow:0 18px 50px rgba(0,0,0,.35);
}

*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html{
  scroll-padding-top:120px;
  -webkit-text-size-adjust:100%;
}

body{
  position:relative;
  min-height:100vh;
  padding-top:calc(84px + env(safe-area-inset-top, 0px));
  background-color:var(--kui-ink);
  background-image:
    linear-gradient(105deg, transparent 30%, rgba(255,183,3,.03) 47%, rgba(214,40,40,.045) 53%, transparent 67%),
    linear-gradient(to right, rgba(45,106,79,.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(45,106,79,.08) 1px, transparent 1px),
    radial-gradient(1200px 600px at 85% -5%, rgba(247,127,0,.08), transparent 60%);
  background-size:100% 100%,48px 48px,48px 48px,auto;
  background-attachment:fixed;
  color:var(--kui-cream);
  font-family:var(--kui-font-body);
  font-size:1rem;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

main#main-content{
  display:block;
  scroll-margin-top:110px;
}

ul,ol{
  list-style:none;
}

a{
  color:inherit;
}

button{
  font:inherit;
  color:inherit;
  background:none;
  border:none;
  cursor:pointer;
}

img{
  max-width:100%;
  display:block;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--kui-font-head);
  font-weight:800;
  line-height:1.15;
  text-wrap:balance;
}

:focus-visible{
  outline:3px solid var(--kui-yellow);
  outline-offset:3px;
  border-radius:2px;
}

::selection{
  background:var(--kui-red);
  color:var(--kui-cream);
}

[data-reveal]{
  will-change:opacity,transform;
}

html.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}

html.has-js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

.skip-link{
  position:fixed;
  top:-80px;
  left:16px;
  z-index:1500;
  padding:12px 18px;
  background:var(--kui-yellow);
  color:var(--kui-ink);
  font-weight:800;
  text-decoration:none;
  border-radius:0 0 4px 4px;
  transition:top .2s var(--kui-ease);
}

.skip-link:focus{
  top:0;
}

.kui-progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:3px;
  z-index:1200;
  background:rgba(255,255,255,.04);
  pointer-events:none;
}

.kui-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--kui-orange),var(--kui-yellow));
  box-shadow:0 0 12px rgba(255,183,3,.45);
  transition:width .15s linear;
}

.kui-header{
  position:fixed;
  top:max(12px, env(safe-area-inset-top));
  left:0;
  right:0;
  z-index:900;
  pointer-events:none;
  transition:transform .5s var(--kui-ease);
}

.kui-header[data-hidden]{
  transform:translateY(calc(-100% - 24px));
}

.kui-header__inner{
  pointer-events:auto;
  position:relative;
  width:min(1440px, calc(100% - 24px));
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:64px;
  padding:8px 10px 8px 18px;
  border-radius:999px;
  border:1px solid rgba(45,106,79,.55);
  background:rgba(11,15,13,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--kui-shadow);
}

.kui-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--kui-font-head);
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--kui-cream);
  text-decoration:none;
  line-height:1.2;
}

.kui-brand__mark{
  position:relative;
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  background:linear-gradient(135deg,var(--kui-red),var(--kui-orange));
  color:#fff;
  font-family:var(--kui-font-mono);
  font-weight:700;
  font-size:1.08rem;
  border-radius:2px 10px 2px 10px;
  box-shadow:0 0 0 1px rgba(214,40,40,.6);
  overflow:hidden;
}

.kui-brand__mark::after{
  content:"";
  position:absolute;
  top:-80%;
  bottom:-80%;
  left:-60%;
  width:40%;
  background:rgba(255,255,255,.28);
  transform:skewX(-20deg) translateX(-120%);
  transition:transform .7s var(--kui-ease);
}

.kui-brand:hover .kui-brand__mark::after{
  transform:skewX(-20deg) translateX(360%);
}

.kui-brand__text{
  white-space:nowrap;
}

.kui-brand--footer{
  font-size:1rem;
}

.kui-brand--footer .kui-brand__mark{
  width:34px;
  height:34px;
  font-size:.95rem;
}

.kui-nav{
  position:fixed;
  top:calc(80px + env(safe-area-inset-top, 0px));
  left:50%;
  width:min(520px, calc(100vw - 24px));
  z-index:850;
  display:grid;
  gap:6px;
  padding:14px;
  border-radius:18px;
  border:1px solid rgba(45,106,79,.58);
  background:rgba(11,15,13,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--kui-shadow);
  opacity:0;
  visibility:hidden;
  transform:translate(-50%, -10px);
  transition:opacity .25s ease,transform .25s var(--kui-ease),visibility .25s;
}

.kui-nav[data-open]{
  opacity:1;
  visibility:visible;
  transform:translate(-50%,0);
}

.kui-nav__list{
  display:grid;
  gap:2px;
}

.kui-nav__link{
  position:relative;
  overflow:hidden;
  display:block;
  padding:12px 14px;
  border-radius:12px;
  font-weight:600;
  color:var(--kui-cream);
  text-decoration:none;
  transition:background .2s ease,color .2s ease;
}

.kui-nav__link:hover{
  background:rgba(45,106,79,.4);
  color:var(--kui-cream);
}

.kui-nav__link[aria-current="page"]{
  background:var(--kui-red);
  color:#fff;
  box-shadow:0 0 0 1px rgba(214,40,40,.4);
}

@media (min-width:1024px){
  .kui-header__inner{
    padding-left:20px;
  }

  .kui-nav{
    position:static;
    transform:none;
    visibility:visible;
    opacity:1;
    display:flex;
    align-items:center;
    gap:6px;
    width:auto;
    min-width:0;
    padding:0;
    background:transparent;
    border:0;
    box-shadow:none;
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
  }

  .kui-nav[data-open]{
    transform:none;
  }

  .kui-nav__list{
    order:0;
    display:flex;
    align-items:center;
    gap:2px;
  }

  .kui-nav__link{
    padding:10px 14px;
    font-size:.94rem;
    border-radius:999px;
  }

  .kui-nav-toggle{
    display:none;
  }
}

.kui-container{
  width:100%;
  max-width:1440px;
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,48px);
}

.kui-container--wide{
  max-width:1440px;
}

.kui-container--medium{
  max-width:960px;
}

.kui-container--narrow{
  max-width:720px;
}

.kui-section{
  position:relative;
  padding-block:clamp(64px,9vw,128px);
}

.kui-section--tight{
  padding-block:clamp(40px,6vw,72px);
}

.kui-section--void{
  padding-block:clamp(24px,4vw,48px);
}

.kui-section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:clamp(24px,4vw,48px);
}

.kui-section__title{
  font-family:var(--kui-font-head);
  font-size:clamp(1.7rem,4vw,2.9rem);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.01em;
}

.kui-section__sub{
  margin-top:.5rem;
  color:rgba(242,244,243,.62);
  max-width:60ch;
}

.kui-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  font-family:var(--kui-font-mono);
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--kui-orange);
}

.kui-index::before{
  content:"";
  width:18px;
  height:2px;
  background:currentColor;
  box-shadow:0 0 6px rgba(247,127,0,.5);
}

.kui-title{
  font-family:var(--kui-font-head);
  font-size:clamp(2.6rem,7vw,5rem);
  font-weight:800;
  line-height:.98;
  letter-spacing:-.03em;
  text-wrap:balance;
}

.kui-lead{
  font-size:clamp(1rem,1.6vw,1.28rem);
  color:rgba(242,244,243,.72);
  max-width:44em;
}

.kui-data{
  font-family:var(--kui-font-mono);
  font-weight:700;
  color:var(--kui-yellow);
  letter-spacing:.02em;
}

.kui-btn{
  position:relative;
  overflow:hidden;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  min-height:44px;
  background:var(--kui-red);
  color:#fff;
  font-family:var(--kui-font-head);
  font-size:.95rem;
  font-weight:800;
  text-decoration:none;
  border:1px solid var(--kui-red);
  border-radius:2px;
  box-shadow:4px 4px 0 rgba(214,40,40,.25);
  transition:transform .2s var(--kui-ease),box-shadow .2s ease,background .2s ease;
}

.kui-btn:hover{
  transform:translate(-2px,-2px);
  background:#E05555;
  box-shadow:6px 6px 0 rgba(247,127,0,.3);
}

.kui-btn:active{
  transform:translate(1px,1px);
  box-shadow:2px 2px 0 rgba(214,40,40,.3);
}

.kui-btn--orange{
  background:var(--kui-orange);
  border-color:var(--kui-orange);
  color:var(--kui-ink);
  box-shadow:4px 4px 0 rgba(247,127,0,.22);
}

.kui-btn--orange:hover{
  background:#FF9500;
  color:var(--kui-ink);
  box-shadow:6px 6px 0 rgba(214,40,40,.25);
}

.kui-btn--outline{
  background:transparent;
  color:var(--kui-cream);
  border-color:var(--kui-pine-light);
  box-shadow:4px 4px 0 rgba(45,106,79,.25);
}

.kui-btn--outline:hover{
  background:rgba(45,106,79,.22);
  border-color:var(--kui-orange);
  color:var(--kui-cream);
  box-shadow:6px 6px 0 rgba(247,127,0,.18);
}

.kui-btn--full{
  width:100%;
}

.kui-tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:2px 10px;
  font-family:var(--kui-font-mono);
  font-size:.75rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  background:rgba(20,67,43,.45);
  color:var(--kui-orange);
  border:1px solid rgba(45,106,79,.65);
}

.kui-tag--hot{
  background:var(--kui-red);
  border-color:var(--kui-red);
  color:#fff;
}

.kui-tag--data{
  background:rgba(255,183,3,.1);
  border-color:rgba(255,183,3,.55);
  color:var(--kui-yellow);
}

.kui-tag--plain{
  background:transparent;
  border-color:rgba(242,244,243,.25);
  color:var(--kui-cream);
}

.kui-panel{
  position:relative;
  padding:clamp(20px,3vw,36px);
  background-color:rgba(11,15,13,.82);
  background-image:
    linear-gradient(rgba(45,106,79,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(45,106,79,.06) 1px,transparent 1px);
  background-size:22px 22px;
  border:1px solid rgba(45,106,79,.55);
  box-shadow:0 14px 40px rgba(0,0,0,.28);
}

.kui-panel::before{
  content:"";
  position:absolute;
  top:-1px;
  left:-1px;
  width:22px;
  height:22px;
  border-top:2px solid var(--kui-orange);
  border-left:2px solid var(--kui-orange);
  pointer-events:none;
}

.kui-panel::after{
  content:"";
  position:absolute;
  right:-1px;
  bottom:-1px;
  width:22px;
  height:22px;
  border-right:1px solid rgba(255,183,3,.55);
  border-bottom:1px solid rgba(255,183,3,.55);
  pointer-events:none;
}

.kui-panel__label{
  display:block;
  margin-bottom:8px;
  font-family:var(--kui-font-mono);
  font-size:.8rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--kui-yellow);
}

.kui-panel__title{
  font-family:var(--kui-font-head);
  font-size:1.45rem;
  font-weight:800;
  line-height:1.2;
  margin-bottom:.6rem;
}

.kui-grid{
  display:grid;
  gap:clamp(16px,2.5vw,32px);
}

.kui-grid--2{
  grid-template-columns:1fr;
}

.kui-grid--3{
  grid-template-columns:1fr;
}

.kui-grid--4{
  grid-template-columns:1fr;
}

@media (min-width:640px){
  .kui-grid--2{
    grid-template-columns:repeat(2,1fr);
  }

  .kui-grid--3,
  .kui-grid--4{
    grid-template-columns:repeat(2,1fr);
  }
}

@media (min-width:1024px){
  .kui-grid--3{
    grid-template-columns:repeat(3,1fr);
  }

  .kui-grid--4{
    grid-template-columns:repeat(4,1fr);
  }
}

.kui-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0 0 28px;
  font-family:var(--kui-font-mono);
  font-size:.85rem;
  color:var(--kui-gray);
}

.kui-breadcrumb li{
  display:flex;
  align-items:center;
}

.kui-breadcrumb li + li::before{
  content:"/";
  margin-right:8px;
  color:var(--kui-gray);
}

.kui-breadcrumb a{
  color:var(--kui-orange);
  text-decoration:none;
}

.kui-breadcrumb a:hover{
  color:var(--kui-yellow);
}

.kui-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  background-color:var(--kui-pine);
  background-image:
    linear-gradient(115deg, transparent 30%, rgba(255,255,255,.06) 45%, transparent 60%),
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:auto,28px 28px,28px 28px;
  border:1px solid rgba(45,106,79,.5);
}

.kui-media--wide{
  aspect-ratio:16/9;
}

.kui-media--tall{
  aspect-ratio:3/4;
}

.kui-media--portrait{
  aspect-ratio:4/5;
}

.kui-media--hero{
  aspect-ratio:4/3;
}

@media (min-width:900px){
  .kui-media--hero{
    aspect-ratio:16/9;
  }
}

.kui-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:1;
}

.kui-media__placeholder{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:8px 12px;
  font-family:var(--kui-font-mono);
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--kui-orange);
  background:rgba(11,15,13,.74);
  border-top:1px solid rgba(45,106,79,.5);
}

.kui-footer{
  position:relative;
  margin-top:clamp(64px,10vw,120px);
  overflow:hidden;
  border-top:1px solid rgba(45,106,79,.55);
  background:
    radial-gradient(800px 360px at 90% -20%, rgba(214,40,40,.18), transparent 65%),
    radial-gradient(900px 420px at 0% 110%, rgba(20,67,43,.85), transparent 60%),
    linear-gradient(180deg, rgba(11,15,13,.95), var(--kui-ink));
}

.kui-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(247,127,0,.5) 20%, rgba(255,183,3,.8) 50%, rgba(214,40,40,.6) 80%, transparent);
}

.kui-footer::after{
  content:"KAIYUN";
  position:absolute;
  right:-.05em;
  bottom:-.2em;
  z-index:0;
  pointer-events:none;
  font-family:var(--kui-font-head);
  font-weight:800;
  font-size:clamp(6rem,20vw,18rem);
  line-height:1;
  color:rgba(242,244,243,.028);
  letter-spacing:-.04em;
}

.kui-footer .kui-container{
  position:relative;
  z-index:1;
}

.kui-footer__grid{
  display:grid;
  gap:clamp(28px,4vw,56px);
  padding-block:clamp(48px,6vw,84px) clamp(32px,4vw,56px);
}

@media (min-width:760px){
  .kui-footer__grid{
    grid-template-columns:minmax(0,2.2fr) minmax(0,1fr) minmax(0,1fr);
  }
}

.kui-footer__brand{
  display:grid;
  align-content:start;
}

.kui-footer__statement{
  margin:18px 0 20px;
  max-width:46ch;
  color:rgba(242,244,243,.62);
  font-size:.95rem;
}

.kui-footer__contact{
  display:grid;
  gap:6px;
  font-family:var(--kui-font-mono);
  font-size:.82rem;
  color:var(--kui-gray);
}

.kui-footer__contact span::before{
  content:"→ ";
  color:var(--kui-orange);
}

.kui-footer__nav{
  display:grid;
  gap:10px;
  align-content:start;
}

.kui-footer__nav a{
  width:fit-content;
  color:rgba(242,244,243,.7);
  text-decoration:none;
  font-size:.95rem;
  transition:color .2s ease,transform .2s ease;
}

.kui-footer__nav a:hover{
  color:var(--kui-orange);
  transform:translateX(3px);
}

.kui-footer__nav-title{
  margin:0 0 6px;
  font-family:var(--kui-font-head);
  font-size:1rem;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--kui-cream);
}

.kui-footer__bar{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-block:22px 26px;
  border-top:1px solid rgba(45,106,79,.35);
  font-family:var(--kui-font-mono);
  font-size:.82rem;
  color:var(--kui-gray);
}

.kui-footer__copyright{
  margin:0;
}

.kui-footer__icp{
  margin:0;
}

.kui-ripple{
  position:absolute;
  border-radius:50%;
  background:rgba(255,255,255,.35);
  transform:scale(0);
  animation:kui-ripple .55s ease-out forwards;
  pointer-events:none;
  z-index:5;
}

@keyframes kui-ripple{
  to{
    transform:scale(1);
    opacity:0;
  }
}

@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }

  html.has-js [data-reveal]{
    opacity:1 !important;
    transform:none !important;
  }

  .kui-header{
    transition:none;
  }

  .kui-ripple{
    display:none !important;
  }
}