*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  min-height:100vh;
  background-color:#0B0C10;
  color:#F0F4F8;
  font-family:"Noto Sans SC","PingFang SC","Helvetica Neue",system-ui,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:var(--accent);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--text)}
ul,ol{list-style:none}
address{font-style:normal}
::selection{background:rgba(0,229,255,.25);color:#F0F4F8}
:focus-visible{outline:2px solid #00E5FF;outline-offset:3px;border-radius:6px}

:root{
  color-scheme:dark;
  --bg-deep:#0B0C10;
  --bg-panel:#111827;
  --bg-raised:#151D2E;
  --grad-blue:linear-gradient(135deg,rgba(30,58,138,.9),rgba(109,40,217,.7));
  --accent:#00E5FF;
  --accent-2:#FF3E8E;
  --text:#F0F4F8;
  --text-dim:#A9B4C3;
  --line:rgba(233,239,249,.14);
  --line-strong:rgba(233,239,249,.28);
  --glass:rgba(11,12,16,.55);
  --shadow:0 20px 50px rgba(0,0,0,.35);
  --font-head:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Helvetica Neue",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Fira Code",ui-monospace,SFMono-Regular,Consolas,monospace;
  --container:1280px;
  --strip-h:34px;
  --nav-h:80px;
  --header-h:calc(var(--strip-h) + var(--nav-h));
  --radius:14px;
  --transition:.35s cubic-bezier(.4,0,.2,1);
  --ease:cubic-bezier(.22,1,.36,1);
}
@media(max-width:767px){
  :root{
    --strip-h:28px;
    --nav-h:66px;
  }
}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0B0C10}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#6B7280,#374151);border-radius:8px;border:2px solid #0B0C10}

h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:800;
  line-height:1.3;
  color:var(--text);
}
h1{font-size:clamp(2.2rem,5vw,3.4rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.25rem}

.mono{font-family:var(--font-mono);letter-spacing:.05em}
.text-dim{color:var(--text-dim)}
.text-accent{color:var(--accent)}

.container{
  width:min(100% - 2rem,var(--container));
  margin-inline:auto;
}
@media(min-width:1200px){
  .container{width:min(100% - 4rem,var(--container))}
}

.main-content{
  min-height:70vh;
  padding-top:calc(var(--header-h) + 2rem);
}
body.has-hero .main-content{
  padding-top:0;
  padding-bottom:0;
}
#main-content{scroll-margin-top:calc(var(--header-h) + 1rem)}

.section{
  position:relative;
  padding:clamp(4rem,8vw,7rem) 0;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:1rem;
  margin-bottom:2.5rem;
}
.section-title{
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  font-weight:900;
  letter-spacing:.02em;
  line-height:1.25;
}
.section-title .mono{
  display:block;
  font-size:.78rem;
  color:var(--accent);
  letter-spacing:.18em;
  margin-bottom:.4rem;
}
.section-note{
  color:var(--text-dim);
  font-size:.92rem;
  max-width:26em;
}

.grid{display:grid;gap:1.5rem}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}

.content{
  max-width:70ch;
  color:var(--text-dim);
  font-size:1rem;
}
.content > * + *{margin-top:1.2rem}
.content h2,.content h3{color:var(--text);margin-top:2.2rem}
.content a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.content ul,.content ol{margin:1rem 0}
.content li{position:relative;padding-left:1.2rem;margin-bottom:.5rem}
.content ul li::before{content:"▹";position:absolute;left:0;color:var(--accent)}
.content ol{counter-reset:item}
.content ol li{counter-increment:item}
.content ol li::before{content:counter(item) ".";position:absolute;left:0;color:var(--accent)}

.page-title{
  font-size:clamp(1.8rem,4vw,3rem);
  font-weight:900;
  letter-spacing:.02em;
  line-height:1.25;
  position:relative;
  padding-bottom:1rem;
  margin-bottom:1.5rem;
}
.page-title::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:56px;
  height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(0,229,255,.35);
}
.intro{
  font-size:1.08rem;
  color:var(--text-dim);
  max-width:32em;
  line-height:1.8;
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem .25rem;
  align-items:center;
  font-size:.85rem;
  color:var(--text-dim);
  margin-bottom:2rem;
}
.breadcrumb li{display:flex;align-items:center;gap:.25rem}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--line-strong);margin:0 .4rem}
.breadcrumb a{color:var(--text-dim);transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--text)}

.skip-link{
  position:fixed;
  top:14px;
  left:14px;
  z-index:3000;
  padding:.65rem 1.1rem;
  background:#111827;
  color:#00E5FF;
  border:1px solid rgba(0,229,255,.35);
  border-radius:8px;
  font-size:.85rem;
  font-weight:600;
  box-shadow:0 8px 30px rgba(0,0,0,.5);
  transform:translateY(-220%);
  transition:transform .25s ease;
}
.skip-link:focus{transform:translateY(0)}

.btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.7rem 1.4rem;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-weight:600;
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s,background .3s,color .3s;
}
.btn:hover{
  color:var(--accent);
  border-color:rgba(0,229,255,.5);
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(0,0,0,.25),0 0 20px rgba(0,229,255,.08);
}
.btn--accent{
  background:linear-gradient(135deg,rgba(0,229,255,.14),rgba(255,62,142,.1));
  border-color:rgba(0,229,255,.35);
  color:var(--accent);
}
.btn--ghost{background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.04)}

.frame{
  position:relative;
  border:1px solid var(--line-strong);
}
.frame::before{
  content:"";
  position:absolute;
  top:-1px;
  left:-1px;
  width:22px;
  height:22px;
  border-top:2px solid var(--accent);
  border-left:2px solid var(--accent);
}
.frame::after{
  content:"";
  position:absolute;
  bottom:-1px;
  right:-1px;
  width:22px;
  height:22px;
  border-bottom:2px solid var(--accent);
  border-right:2px solid var(--accent);
}
.pane{
  position:relative;
  background:linear-gradient(145deg,rgba(17,24,39,.9),rgba(17,24,39,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.5rem;
  box-shadow:0 16px 40px rgba(0,0,0,.25);
}
.float-card{
  transform:rotate(-1.2deg);
  box-shadow:0 24px 50px rgba(0,0,0,.4);
}
.float-card--right{
  transform:rotate(1.4deg) translateY(12px);
  box-shadow:0 24px 50px rgba(0,0,0,.4);
}

.hero{
  position:relative;
  min-height:100vh;
  display:grid;
  align-items:center;
  padding:var(--header-h) 0 4rem;
}
.hero-frame{
  position:relative;
  padding:clamp(2rem,6vw,5rem);
  border:1px solid var(--line-strong);
  border-radius:18px;
  background:linear-gradient(140deg,rgba(17,24,39,.7),rgba(17,24,39,.25));
  overflow:hidden;
}
.hero-frame::before{
  content:"";
  position:absolute;
  inset:auto -30% -60% -20%;
  width:80%;
  height:80%;
  background:radial-gradient(circle,rgba(109,40,217,.4),transparent 70%);
  filter:blur(30px);
  pointer-events:none;
}
.hero-frame::after{
  content:"";
  position:absolute;
  top:-1px;
  right:-1px;
  width:80px;
  height:80px;
  border-top:2px solid var(--accent);
  border-right:2px solid var(--accent);
  opacity:.7;
  pointer-events:none;
}
.hero-frame__inner{position:relative;z-index:1}

.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));
  gap:1.5rem;
}
.card{
  position:relative;
  background:linear-gradient(145deg,rgba(17,24,39,.85),rgba(17,24,39,.55));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.5rem;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
.card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,255,.35);
  box-shadow:0 18px 40px rgba(0,0,0,.4),0 0 0 1px rgba(0,229,255,.08);
}
.card__title{font-size:1.1rem;font-weight:800;margin-bottom:.5rem}
.card__text{color:var(--text-dim);font-size:.9rem}
.card__meta{
  font-family:var(--font-mono);
  font-size:.72rem;
  color:var(--text-dim);
  margin-top:1rem;
  display:flex;
  align-items:center;
  gap:.5rem;
}

.chip,.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.28rem .8rem;
  border:1px solid var(--line);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.72rem;
  color:var(--text-dim);
  white-space:nowrap;
}
.chip--live,.tag--cyan{
  color:var(--accent);
  border-color:rgba(0,229,255,.3);
  background:rgba(0,229,255,.06);
}
.chip--hot,.tag--pink{
  color:var(--accent-2);
  border-color:rgba(255,62,142,.3);
  background:rgba(255,62,142,.06);
}

.mono-label{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-dim);
  display:inline-flex;
  align-items:center;
  gap:.5rem;
}
.mono-label::before{content:"//";color:var(--accent)}

.divider-glow{
  height:1px;
  border:0;
  background:linear-gradient(90deg,transparent,rgba(0,229,255,.45),rgba(255,62,142,.2),transparent);
  margin:2.5rem 0;
}

.glow-layer{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.glow-orb{
  position:absolute;
  border-radius:50%;
  pointer-events:none;
  filter:blur(70px);
  opacity:.18;
}
.glow-orb--blue{background:#1E3A8A}
.glow-orb--violet{background:#6D28D9}
.glow-orb--cyan{background:#00E5FF;opacity:.08}

.slant-panel{clip-path:polygon(0 0,100% 0,100% calc(100% - 3vw),0 100%)}
.slant-panel--flip{clip-path:polygon(0 3vw,100% 0,100% 100%,0 100%)}

.media-frame{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line-strong);
  aspect-ratio:16/9;
  background:linear-gradient(135deg,#1E3A8A,#6D28D9);
  display:flex;
  align-items:center;
  justify-content:center;
  isolation:isolate;
}
.media-frame::before{
  content:attr(data-media-label);
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.18em;
  color:rgba(240,244,248,.75);
  text-transform:uppercase;
  z-index:1;
  padding:1rem;
  text-align:center;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(0,229,255,.12) 50%,transparent 70%);
  transform:translateX(-100%);
  transition:transform 1s var(--ease);
  pointer-events:none;
}
.media-frame:hover::after{transform:translateX(100%)}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--silver{background:linear-gradient(135deg,#1f2937,#4b5563)}
.media-frame--cyber{background:radial-gradient(circle at 20% 20%,rgba(0,229,255,.25),transparent 55%),linear-gradient(135deg,#0B0C10,#1E3A8A)}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  background:linear-gradient(180deg,rgba(11,12,16,.72),rgba(11,12,16,.25));
  border-bottom:1px solid transparent;
  transition:background .4s ease,border-color .4s ease,box-shadow .4s ease;
}
.site-header.is-scrolled{
  background:rgba(11,12,16,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.35);
}

.console-strip{
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(6,7,9,.6);
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--text-dim);
  letter-spacing:.06em;
}
.console-strip__inner{
  display:flex;
  align-items:center;
  gap:1rem;
  min-height:var(--strip-h);
  overflow:hidden;
  white-space:nowrap;
}
.console-strip__item{display:inline-flex;align-items:center;gap:.45rem}
.console-strip__right{margin-left:auto}
.console-strip__item.status-line{color:var(--accent)}
.hide-sm{display:none}
.hide-md{display:none}
@media(min-width:640px){
  .hide-sm{display:inline-flex}
}
@media(min-width:1024px){
  .hide-md{display:inline-flex}
}

.site-header__inner{
  display:flex;
  align-items:center;
  gap:1rem;
  height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:.85rem;
  color:var(--text);
  margin-right:auto;
  min-width:0;
}
.brand:hover{color:var(--text)}
.brand__mark{
  position:relative;
  width:40px;
  height:40px;
  border-radius:10px;
  background:linear-gradient(135deg,#1E3A8A,#6D28D9);
  display:flex;
  align-items:flex-end;
  justify-content:center;
  gap:3px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.1),0 0 24px rgba(109,40,217,.35);
  flex-shrink:0;
}
.brand__mark i{
  display:block;
  width:3px;
  border-radius:2px;
  transform:skew(-12deg);
}
.brand__mark i:nth-child(1){
  height:14px;
  background:var(--accent);
  box-shadow:0 0 8px var(--accent);
}
.brand__mark i:nth-child(2){
  height:22px;
  background:#F0F4F8;
  box-shadow:0 0 8px rgba(240,244,248,.8);
}
.brand__mark i:nth-child(3){
  height:10px;
  background:var(--accent-2);
  box-shadow:0 0 8px var(--accent-2);
}
.brand__text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
  min-width:0;
}
.brand__title{
  font-size:1.05rem;
  font-weight:900;
  letter-spacing:.08em;
  white-space:nowrap;
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.18em;
  color:var(--text-dim);
  margin-top:3px;
  text-transform:uppercase;
}

.nav-overlay{
  position:fixed;
  inset:0;
  z-index:1000;
  background:rgba(3,4,6,.72);
  opacity:0;
  pointer-events:none;
  transition:opacity .35s ease;
}
.site-header.nav-open .nav-overlay{
  opacity:1;
  pointer-events:auto;
}

.main-nav{
  position:fixed;
  top:0;
  right:0;
  z-index:1001;
  width:min(80vw,360px);
  height:100vh;
  background:linear-gradient(200deg,rgba(17,24,39,.98),rgba(11,12,16,.98));
  border-left:1px solid var(--line);
  padding:calc(var(--header-h) + 2rem) 2rem 2rem;
  transform:translateX(105%);
  visibility:hidden;
  transition:transform .5s var(--ease),visibility .5s;
  overflow-y:auto;
}
.main-nav[data-open]{
  transform:translateX(0);
  visibility:visible;
  box-shadow:-20px 0 60px rgba(0,0,0,.5);
}
.main-nav__list{
  display:flex;
  flex-direction:column;
  gap:.25rem;
}
.nav-link{
  display:flex;
  align-items:baseline;
  gap:.55rem;
  padding:.8rem .6rem;
  font-size:1.05rem;
  font-weight:600;
  color:var(--text-dim);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:color .25s,background .25s,box-shadow .25s;
}
.nav-link:hover{
  color:var(--text);
  background:rgba(255,255,255,.04);
}
.nav-link__index{
  font-family:var(--font-mono);
  font-size:.72rem;
  color:var(--accent);
  opacity:.75;
  letter-spacing:.06em;
}
.nav-link[aria-current="page"]{
  color:var(--text);
  background:rgba(0,229,255,.06);
}
.nav-link[aria-current="page"] .nav-link__index{
  color:var(--accent);
  opacity:1;
}

.nav-toggle{
  position:relative;
  z-index:1002;
  width:44px;
  height:44px;
  border-radius:10px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:border-color .3s,background .3s;
}
.nav-toggle:hover{
  border-color:rgba(0,229,255,.4);
  background:rgba(0,229,255,.06);
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .4s var(--ease),opacity .25s,background .25s;
}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.header-progress{
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:100%;
  pointer-events:none;
  z-index:1002;
}
.header-progress span{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(0,229,255,.4);
  transition:width .15s linear;
}

body.nav-lock{overflow:hidden}

@media(min-width:1024px){
  .nav-overlay{display:none}
  .main-nav{
    position:static;
    width:auto;
    height:auto;
    transform:none;
    visibility:visible;
    background:transparent;
    border-left:0;
    padding:0;
    overflow:visible;
    transition:none;
    flex:1;
    display:flex;
    justify-content:flex-end;
  }
  .main-nav[data-open]{
    transform:none;
    box-shadow:none;
  }
  .main-nav__list{
    flex-direction:row;
    gap:.1rem;
  }
  .nav-link{
    padding:.65rem .95rem;
    border-bottom:0;
    font-size:.95rem;
  }
  .nav-link[aria-current="page"]{
    background:transparent;
    box-shadow:inset 0 -2px 0 var(--accent);
  }
  .nav-toggle{display:none}
}

.site-footer{
  position:relative;
  margin-top:6rem;
  padding:4.5rem 0 2rem;
  background:linear-gradient(180deg,#0B0C10 0%,#0F1523 100%);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(40% 60% at 80% 20%,rgba(109,40,217,.16),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:2.8rem 2rem;
}
@media(min-width:640px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:1100px){
  .footer-grid{grid-template-columns:1.6fr .8fr 1fr 1.2fr}
}
.footer-block{min-width:0}
.brand--footer .brand__mark{width:48px;height:48px}
.brand--footer .brand__title{font-size:1.25rem}
.footer-about{
  max-width:24em;
  color:var(--text-dim);
  font-size:.9rem;
  margin-top:1.2rem;
}
.footer-trust{
  max-width:30em;
  font-size:.75rem;
  line-height:1.8;
  color:var(--text-dim);
  opacity:.72;
  border-left:2px solid rgba(0,229,255,.35);
  padding-left:1rem;
  margin-top:1rem;
}
.footer-heading{
  font-size:.9rem;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--text);
  margin-bottom:1.1rem;
  display:flex;
  align-items:center;
  gap:.5rem;
}
.footer-heading::before{
  content:"";
  width:4px;
  height:16px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  border-radius:2px;
}
.footer-block ul{
  display:flex;
  flex-direction:column;
  gap:.65rem;
}
.footer-links a,.footer-legal a{
  color:var(--text-dim);
  font-size:.9rem;
  transition:color .25s,padding-left .25s;
}
.footer-links a:hover,.footer-legal a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-meta address{
  font-family:var(--font-mono);
  font-size:.78rem;
  line-height:2;
  color:var(--text-dim);
}
.footer-bottom{
  position:relative;
  margin-top:3rem;
  padding-top:1.5rem;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  flex-direction:column;
  align-items:flex-start;
  gap:.8rem;
  font-size:.8rem;
  color:var(--text-dim);
}
@media(min-width:768px){
  .footer-bottom{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
  }
}
.footer-copy,.footer-icp{font-family:var(--font-mono)}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.45rem .9rem;
  border:1px solid var(--line);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.12em;
  color:var(--text-dim);
  transition:transform .3s var(--ease),opacity .3s,border-color .3s,color .3s,box-shadow .3s;
}
.to-top:hover{
  color:var(--accent);
  border-color:var(--accent);
  box-shadow:0 0 18px rgba(0,229,255,.15);
  transform:translateY(-2px);
}
.to-top.is-hidden{
  opacity:0;
  pointer-events:none;
  transform:translateY(12px);
}

.js [data-reveal]{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .js [data-reveal],
  .js [data-reveal].is-visible{
    opacity:1 !important;
    transform:none !important;
    transition:none !important;
  }
}