:root{
  --abyss-950:#04121E;
  --deep-900:#061A2B;
  --deep-800:#0A2740;
  --deep-700:#123B5A;
  --cyan-400:#22E0D6;
  --cyan-600:#0FB5C9;
  --coral-500:#FF6B4A;
  --coral-300:#FF9E7A;
  --mist-050:#F2F8FA;
  --ink-900:#0B1B26;
  --ink-600:#48606E;
  --signal-500:#3DD68C;
  --amber-500:#FFB020;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --shell:1240px;
  --gutter:clamp(18px,4vw,44px);
  --r-s:10px;
  --r-m:18px;
  --r-l:28px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --line:rgba(34,224,214,.18);
  --line-soft:rgba(18,59,90,.9);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:700;line-height:1.2}
strong,b{font-weight:700}
::selection{background:var(--cyan-400);color:var(--abyss-950)}

body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--mist-050);
  background:var(--abyss-950);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
p{text-wrap:pretty}
h1,h2,h3{text-wrap:balance}

:where(a,button,summary,input,textarea,select,[tabindex]):focus-visible{
  outline:2px solid var(--cyan-400);
  outline-offset:3px;
  border-radius:6px;
}
.ly-section--mist :where(a,button,summary,[tabindex]):focus-visible{
  outline-color:#0A7F92;
}

.ly-container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.ly-section{position:relative;padding-block:clamp(56px,8vw,112px)}
.ly-section--deep{background:linear-gradient(180deg,var(--deep-900) 0%,var(--abyss-950) 100%);color:var(--mist-050)}
.ly-section--mist{background:var(--mist-050);color:var(--ink-900)}
.ly-rule{height:1px;border:0;margin-block:clamp(28px,4vw,48px);background:linear-gradient(90deg,var(--cyan-400),rgba(34,224,214,0));opacity:.4}

.ly-grid{display:grid;gap:clamp(20px,3vw,36px);grid-template-columns:repeat(12,minmax(0,1fr))}

.ly-h1{font-size:clamp(2.4rem,5.2vw,4.4rem);line-height:1.06;letter-spacing:-.025em}
.ly-h2{font-size:clamp(1.75rem,3.4vw,2.6rem);line-height:1.16;letter-spacing:-.02em}
.ly-h3{font-size:clamp(1.15rem,1.7vw,1.5rem);line-height:1.35;letter-spacing:-.01em}
.ly-lede{font-size:clamp(1rem,1.35vw,1.18rem);line-height:1.72;color:rgba(242,248,250,.74);max-width:46ch}
.ly-section--mist .ly-lede{color:var(--ink-600)}
.ly-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  color:var(--cyan-400);
}
.ly-eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7}
.ly-section--mist .ly-eyebrow{color:#0A7F92}

.ly-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;font-weight:700}

.ly-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);
  color:var(--cyan-400);background:rgba(34,224,214,.07);
  white-space:nowrap;
}
.ly-section--mist .ly-tag{color:#0A7F92;border-color:rgba(10,127,146,.28);background:rgba(15,181,201,.08)}

.ly-card{
  position:relative;
  background:var(--deep-800);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:clamp(20px,2.4vw,30px);
  color:var(--mist-050);
}
.ly-card--mist{
  background:#fff;
  border-color:rgba(11,27,38,.12);
  color:var(--ink-900);
  box-shadow:0 22px 48px -36px rgba(4,18,30,.6);
}

.ly-media{
  position:relative;isolation:isolate;overflow:hidden;
  aspect-ratio:16 / 10;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:linear-gradient(140deg,var(--deep-800) 0%,var(--abyss-950) 72%);
}
.ly-media::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:repeating-linear-gradient(115deg,rgba(34,224,214,.16) 0 2px,transparent 2px 26px);
  opacity:.55;
}
.ly-media img,.ly-media svg{
  position:absolute;inset:0;z-index:1;
  width:100%;height:100%;object-fit:cover;
}
.ly-media--wide{aspect-ratio:21 / 9}
.ly-media--tall{aspect-ratio:3 / 4}
.ly-media--square{aspect-ratio:1 / 1}
.ly-media__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:10px 14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:rgba(242,248,250,.78);
  background:linear-gradient(0deg,rgba(4,18,30,.88),rgba(4,18,30,0));
}

.ly-prose{max-width:68ch;font-size:1.0625rem;line-height:1.78}
.ly-prose > * + *{margin-top:1.1em}
.ly-prose h2{margin-top:2em;font-size:clamp(1.4rem,2.2vw,1.9rem);line-height:1.25;letter-spacing:-.015em}
.ly-prose h3{margin-top:1.6em;font-size:1.15rem;line-height:1.45}
.ly-prose ul{display:grid;gap:.6em}
.ly-prose ul li{position:relative;padding-left:1.4em}
.ly-prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:2px;
  background:var(--cyan-600);transform:rotate(45deg);
}
.ly-prose a{color:#0A7F92;text-decoration:underline;text-underline-offset:3px}
.ly-section--deep .ly-prose a,.ly-prose a:hover{color:var(--cyan-600)}
.ly-section--deep .ly-prose a{color:var(--cyan-400)}

.ly-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  opacity:.66;
}
.ly-breadcrumb li{display:flex;align-items:center;gap:10px}
.ly-breadcrumb li + li::before{content:"/";opacity:.5}
.ly-breadcrumb a:hover{color:var(--cyan-400)}
.ly-breadcrumb [aria-current="page"]{color:var(--cyan-400);opacity:1}
.ly-section--mist .ly-breadcrumb [aria-current="page"]{color:#0A7F92}

.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  font-size:14px;font-weight:700;letter-spacing:.04em;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ly-btn--coral{
  background:var(--coral-500);color:var(--abyss-950);
  box-shadow:0 12px 26px -12px rgba(255,107,74,.6);
}
.ly-btn--coral:hover{background:var(--coral-300);transform:translateY(-2px)}
.ly-btn--outline{
  border-color:rgba(34,224,214,.45);color:var(--cyan-400);background:transparent;
}
.ly-btn--outline:hover{background:rgba(34,224,214,.12);border-color:var(--cyan-400);color:var(--mist-050)}
.ly-section--mist .ly-btn--outline{border-color:rgba(10,127,146,.4);color:#0A7F92}
.ly-section--mist .ly-btn--outline:hover{background:rgba(15,181,201,.12);color:var(--ink-900)}

.ly-skip{
  position:fixed;left:16px;top:10px;z-index:200;
  padding:11px 20px;border-radius:999px;
  background:var(--coral-500);color:var(--abyss-950);
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.ly-skip:focus,.ly-skip:focus-visible{transform:translateY(0)}

.ly-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(4,18,30,.985) 0%,rgba(6,26,43,.955) 100%);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.ly-rail{
  background:rgba(4,18,30,.62);
  border-bottom:1px solid rgba(34,224,214,.12);
}
.ly-rail__inner{
  display:flex;align-items:center;gap:12px;
  min-height:38px;padding-block:5px;
}
.ly-brandline{
  font-size:12.5px;letter-spacing:.05em;
  color:rgba(242,248,250,.6);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  min-width:0;
}
.ly-rail__meta{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}
.ly-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  padding:3px 9px;border-radius:999px;
  border:1px solid rgba(34,224,214,.3);
  color:rgba(242,248,250,.8);
  white-space:nowrap;
}
.ly-chip--version{
  background:var(--cyan-400);color:var(--abyss-950);border-color:transparent;font-weight:700;
}
.ly-chip--status{
  color:var(--cyan-400);border-color:rgba(34,224,214,.38);background:rgba(34,224,214,.08);
}
.ly-status-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--signal-500);
  box-shadow:0 0 0 3px rgba(61,214,140,.18);
  animation:ly-pulse 2.4s var(--ease) infinite;
}
@keyframes ly-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(61,214,140,.18)}
  50%{box-shadow:0 0 0 6px rgba(61,214,140,.04)}
}
.ly-login{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
  padding:4px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--mist-050);
  border:1px solid rgba(242,248,250,.24);
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.ly-login::after{content:"→";font-family:var(--font-mono);font-size:11px;opacity:.8}
.ly-login:hover{border-color:var(--cyan-400);color:var(--cyan-400);background:rgba(34,224,214,.08)}

.ly-navbar{position:relative}
.ly-navbar__inner{
  display:flex;align-items:center;gap:clamp(14px,2.4vw,36px);
  min-height:68px;padding-block:8px;
}
.ly-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.ly-logo__mark{
  position:relative;width:26px;height:26px;border-radius:9px;
  background:linear-gradient(135deg,var(--cyan-400) 0%,var(--cyan-600) 100%);
  box-shadow:0 0 0 1px rgba(34,224,214,.35),0 8px 20px -10px rgba(34,224,214,.8);
  transform:rotate(-6deg);
}
.ly-logo__mark::after{
  content:"";position:absolute;inset:5px;border-radius:5px;
  background:repeating-linear-gradient(135deg,rgba(4,18,30,.45) 0 2px,transparent 2px 6px);
}
.ly-logo__text{font-size:19px;font-weight:700;letter-spacing:.02em}

.ly-nav-toggle{
  display:none;align-items:center;gap:9px;margin-left:auto;
  padding:8px 15px;border-radius:999px;
  border:1px solid rgba(34,224,214,.4);
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--mist-050);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.ly-nav-toggle:hover{background:rgba(34,224,214,.1);border-color:var(--cyan-400)}
.ly-nav-toggle__bars{display:grid;gap:4px;width:16px}
.ly-nav-toggle__bars span{
  display:block;height:2px;border-radius:2px;background:var(--cyan-400);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.ly-nav-toggle[aria-expanded="true"] .ly-nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ly-nav-toggle[aria-expanded="true"] .ly-nav-toggle__bars span:nth-child(2){opacity:0}
.ly-nav-toggle[aria-expanded="true"] .ly-nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.ly-nav{display:flex;align-items:center;gap:clamp(16px,2.6vw,34px);margin-left:auto}
.ly-nav__list{display:flex;align-items:center;gap:clamp(10px,1.8vw,26px);flex-wrap:wrap}
.ly-nav__item{display:block}
.ly-nav__link{
  position:relative;display:inline-block;
  padding:6px 2px;
  font-size:15px;
  color:rgba(242,248,250,.74);
  transition:color .2s var(--ease);
}
.ly-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--cyan-400);
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease),background .2s var(--ease);
}
.ly-nav__link:hover{color:var(--mist-050)}
.ly-nav__link:hover::after{transform:scaleX(1)}
.ly-nav__link[aria-current="page"]{color:var(--cyan-400);font-weight:700}
.ly-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--coral-500)}
.ly-nav__cta{flex-shrink:0}

.ly-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan-400) 0%,var(--coral-500) 100%);
  pointer-events:none;
}

.ly-footer{
  position:relative;overflow:hidden;
  padding-block:clamp(48px,7vw,88px) 0;
  background:radial-gradient(120% 150% at 10% 0%,var(--deep-800) 0%,var(--abyss-950) 62%);
  border-top:1px solid rgba(34,224,214,.24);
  color:rgba(242,248,250,.72);
  font-size:14px;
}
.ly-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(102deg,rgba(34,224,214,.07) 0 1px,transparent 1px 64px);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
}
.ly-footer__glow{
  position:absolute;right:-12%;bottom:-38%;
  width:min(560px,80vw);aspect-ratio:1;
  background:radial-gradient(circle,rgba(34,224,214,.2) 0%,rgba(34,224,214,0) 66%);
  pointer-events:none;
}
.ly-footer__grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(240px,1.6fr) repeat(3,minmax(120px,.72fr));
  gap:clamp(24px,4vw,56px);
}
.ly-footer__brand{display:grid;gap:16px;align-content:start;justify-items:start}
.ly-footer__logo{font-size:24px;font-weight:700;letter-spacing:.04em;color:var(--mist-050)}
.ly-footer__sig{font-size:14px;line-height:1.7;color:rgba(242,248,250,.6);max-width:30ch}
.ly-footer__col{min-width:0}
.ly-footer__title{
  font-family:var(--font-mono);font-size:12px;font-weight:400;
  letter-spacing:.14em;color:var(--cyan-400);
  margin-bottom:14px;
}
.ly-footer__list{display:grid;gap:10px}
.ly-footer__link{
  display:inline-block;
  font-size:14.5px;
  color:rgba(242,248,250,.74);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.ly-footer__link:hover{color:var(--cyan-400);transform:translateX(3px)}
.ly-footer__meta{
  position:relative;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;
  gap:8px 28px;
  margin-top:clamp(32px,5vw,56px);
  padding-top:22px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;
  color:rgba(242,248,250,.58);
}
.ly-footer__contact,.ly-footer__region{min-width:0;overflow-wrap:anywhere}
.ly-footer__bottom{
  position:relative;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;
  gap:10px 24px;
  margin-top:18px;padding-block:20px 26px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;
  color:rgba(242,248,250,.46);
}
.ly-footer__copy,.ly-footer__icp{margin:0}

.ly-top{
  position:fixed;right:clamp(14px,3vw,26px);bottom:clamp(14px,3vw,26px);z-index:90;
  display:grid;place-items:center;
  width:46px;height:46px;border-radius:14px;
  background:rgba(10,39,64,.94);
  color:var(--cyan-400);
  border:1px solid rgba(34,224,214,.38);
  box-shadow:0 16px 34px -18px rgba(4,18,30,.9);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.ly-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.ly-top:hover{background:rgba(34,224,214,.18);color:var(--mist-050);border-color:var(--cyan-400)}

.ly-reveal{transition:opacity .24s var(--ease),transform .24s var(--ease)}
html[data-reveal] .ly-reveal{opacity:0;transform:translateY(12px)}
html[data-reveal] .ly-reveal[data-shown]{opacity:1;transform:none}

@media (max-width:1100px){
  .ly-nav__link{font-size:14.5px}
}
@media (max-width:900px){
  html{scroll-padding-top:118px}
  .ly-nav-toggle{display:inline-flex}
  .ly-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;
    padding:10px var(--gutter) 24px;
    background:rgba(4,18,30,.985);
    border-bottom:1px solid rgba(34,224,214,.22);
    box-shadow:0 24px 40px -30px rgba(0,0,0,.9);
    max-height:calc(100vh - 118px);
    overflow-y:auto;
  }
  .ly-nav[data-open]{display:flex}
  .ly-nav__list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .ly-nav__item{width:100%}
  .ly-nav__link{
    display:block;width:100%;
    padding:14px 4px;
    font-size:17px;
    border-bottom:1px solid rgba(34,224,214,.12);
  }
  .ly-nav__link::after{display:none}
  .ly-nav__link[aria-current="page"]{
    color:var(--cyan-400);
    box-shadow:inset 3px 0 0 var(--coral-500);
    padding-left:14px;
    background:rgba(34,224,214,.08);
  }
  .ly-nav__cta{width:100%;margin-top:18px;padding-block:13px}
  .ly-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .ly-footer__brand{grid-column:1 / -1}
}
@media (max-width:720px){
  .ly-brandline{display:none}
  .ly-rail__meta{margin-left:0}
  .ly-login{margin-left:auto}
  .ly-navbar__inner{min-height:62px}
  .ly-h1{letter-spacing:-.015em}
}
@media (max-width:560px){
  .ly-footer__grid{grid-template-columns:1fr}
  .ly-footer__meta,.ly-footer__bottom{flex-direction:column;align-items:flex-start}
  .ly-grid{gap:18px}
}

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