@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:wght@400;600;700&family=EB+Garamond:wght@400;500;600;700;800&display=swap');

:root{
  --green:#00ff80;
  --blue:#0000ff;
  --ink:#000000;
  --fg:#eafff5;
  --dim:#9fdcbd;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --serif: "Crimson Text", Georgia, "Songti SC", "SimSun", serif;
  --display: "EB Garamond", Georgia, "Songti SC", "SimSun", serif;
}

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

html{
  background:#000;
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:#000;
  color:var(--fg);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.72;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto;}
p{margin:0 0 1.05em;}
a{color:var(--green);}
a:focus-visible{outline:3px solid var(--blue);outline-offset:3px;}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:.01em;
  margin:0 0 .55em;
}

.shell{min-height:100vh;}

/* ---------- 顶部 ---------- */
.mast{
  background:#000;
  border-bottom:4px solid var(--green);
}

.ticker{
  margin:0;
  padding:9px 16px;
  background:var(--green);
  color:#000;
  font-family:var(--mono);
  font-size:16px;
  letter-spacing:.14em;
  text-align:center;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.brandrow{
  display:flex;
  align-items:center;
  padding:14px clamp(12px,3vw,28px);
  border-bottom:3px solid var(--blue);
  background:
    repeating-linear-gradient(90deg, rgba(0,255,128,.16) 0 1px, transparent 1px 44px);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-height:48px;
  padding:2px 0;
  color:var(--green);
  text-decoration:none;
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(24px,5vw,40px);
  letter-spacing:-.01em;
}

.brand img{
  width:44px;
  height:44px;
  border:3px solid var(--green);
  object-fit:cover;
}

.brand:hover{color:#fff;}

.menu{padding:12px clamp(12px,3vw,28px);}

.menu p{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
}

.menu a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 16px;
  border:2px solid var(--green);
  border-radius:999px;
  color:var(--green);
  text-decoration:none;
  font-family:var(--mono);
  font-size:16px;
  letter-spacing:.02em;
}

.menu a:hover,
.menu a.hot{
  background:var(--green);
  color:#000;
}

/* ---------- 头图 ---------- */
.hero{
  position:relative;
  min-height:70vh;
  display:grid;
  align-items:end;
  overflow:hidden;
  border-bottom:4px solid var(--blue);
  background-color:#000;
  background-image:
    repeating-linear-gradient(0deg, rgba(0,255,128,.18) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(0,255,128,.18) 0 1px, transparent 1px 28px),
    radial-gradient(circle at 78% 30%, rgba(0,0,255,.85), rgba(0,0,0,1) 62%);
}

.hero-media{position:absolute;inset:0;z-index:0;}

.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:grayscale(1) contrast(1.15);
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(90deg, rgba(0,0,0,.92) 6%, rgba(0,0,255,.62) 96%);
  pointer-events:none;
}

.hero-ink{
  position:relative;
  z-index:2;
  margin-left:auto;
  max-width:min(66ch, 100%);
  padding:clamp(22px,6vw,64px);
  text-align:right;
  border-left:4px solid var(--green);
}

.hero h1{
  margin:0 0 16px;
  color:#fff;
  font-size:clamp(30px,6.4vw,62px);
  letter-spacing:-.015em;
  text-shadow:5px 5px 0 var(--blue);
}

.lead{
  margin-left:auto;
  max-width:44ch;
  color:var(--green);
  font-size:clamp(16px,2vw,20px);
}

.jump{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  margin-top:18px;
  padding:10px 22px;
  background:var(--green);
  color:#000;
  border:3px solid #000;
  box-shadow:5px 5px 0 var(--blue);
  font-family:var(--mono);
  font-size:16px;
  text-decoration:none;
}

.jump:hover{background:#fff;}

/* ---------- 主体 ---------- */
main{background:#000;}

.wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  max-width:1240px;
  margin:0 auto;
  border-left:4px solid var(--green);
  border-right:4px solid var(--green);
}

.col{
  padding:clamp(20px,3vw,44px);
  min-width:0;
}

.prose{max-width:70ch;}

.prose > section{
  padding:30px 0;
  border-top:4px solid var(--blue);
  scroll-margin-top:150px;
}

.prose > section:first-child{
  border-top:0;
  padding-top:0;
}

.prose h2{
  font-size:clamp(23px,3.6vw,34px);
  color:var(--green);
  padding-left:14px;
  border-left:8px solid var(--green);
}

.prose h3{
  font-size:clamp(19px,2.6vw,24px);
  color:#fff;
}

.prose p{max-width:66ch;}

.prose a{
  color:var(--green);
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}

.prose a:hover{background:var(--green);color:#000;text-decoration:none;}

.prose ul,.prose ol{
  padding-left:1.2em;
  margin:0 0 1.1em;
}

.prose li{margin-bottom:.4em;}

.prose blockquote{
  margin:0 0 1.2em;
  padding:14px 18px;
  border-left:8px solid var(--blue);
  background:#050c14;
  color:#d8f6e6;
}

.prose strong{color:#fff;}
.prose code{
  font-family:var(--mono);
  font-size:16px;
  background:#111;
  border:2px solid var(--green);
  padding:1px 5px;
  color:var(--green);
}

.prose img{
  border:4px solid var(--green);
  margin:0 0 1.2em;
}

.prose table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.3em;
  font-size:16px;
}

.prose th,.prose td{
  border:2px solid var(--green);
  padding:8px 10px;
  text-align:left;
}

.prose th{background:var(--blue);color:#fff;}

/* 逐节浮出（无过渡，直接显示） */
html.js .prose > *{opacity:0;}
html.js .prose > .in{opacity:1;}

/* ---------- 侧栏 ---------- */
.rail{
  padding:clamp(20px,3vw,34px) 20px;
  border-left:4px solid var(--green);
  background:#040906;
}

.rail h2{
  margin:0 0 8px;
  font-size:clamp(20px,2.4vw,26px);
  color:#fff;
}

.rail .subtitle{
  margin:0 0 20px;
  padding-bottom:14px;
  border-bottom:3px dashed rgba(0,255,128,.45);
  color:var(--green);
  font-family:var(--mono);
  font-size:16px;
  line-height:1.4;
}

.rail-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}

.rail-list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:7px 12px;
  border:2px solid rgba(0,255,128,.45);
  color:#d9ffec;
  font-family:var(--mono);
  font-size:16px;
  text-decoration:none;
}

.rail-list a:hover{
  background:var(--green);
  color:#000;
  border-color:var(--green);
}

/* ---------- 页脚 ---------- */
.foot{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:6px solid var(--green);
  background:#000;
}

.foot p{
  margin:0;
  padding:22px 16px;
  border-right:2px solid rgba(0,255,128,.3);
  border-bottom:2px solid rgba(0,255,128,.3);
  font-family:var(--mono);
  font-size:16px;
  line-height:1.5;
  color:var(--dim);
  overflow-wrap:anywhere;
}

.foot p:last-of-type{border-right:0;}

.foot-big{
  font-family:var(--display) !important;
  font-weight:800;
  font-size:clamp(26px,4.4vw,46px) !important;
  line-height:1 !important;
  letter-spacing:-.02em;
  color:var(--green) !important;
}

.foot-key{color:#fff !important;}

.foot-links a{
  display:block;
  min-height:40px;
  padding:8px 0;
  color:var(--green);
  text-decoration:none;
}

.foot-links a:hover{background:var(--green);color:#000;}

.foot small{
  grid-column:1 / -1;
  display:block;
  padding:14px 16px;
  background:var(--blue);
  color:#fff;
  font-family:var(--mono);
  font-size:16px;
  text-align:center;
}

/* ---------- 断点 ---------- */
@media (min-width:980px){
  .mast{position:sticky;top:0;z-index:30;}
  .prose > section{scroll-margin-top:190px;}
}

@media (max-width:900px){
  .wrap{grid-template-columns:minmax(0,1fr);border-left:0;border-right:0;}
  .col{padding:22px 16px;}
  .rail{border-left:0;border-top:4px solid var(--green);}
  .foot{grid-template-columns:1fr 1fr;}
  .foot p:nth-of-type(2n){border-right:0;}
  .hero-ink{border-left:0;border-top:4px solid var(--green);}
  .prose > section{scroll-margin-top:24px;}
}

@media (max-width:430px){
  body{font-size:17px;}
  .menu a{padding:8px 12px;font-size:16px;}
  .hero{min-height:62vh;}
  .hero-ink{padding:18px 16px 26px;}
  .hero h1{text-shadow:3px 3px 0 var(--blue);}
  .jump{box-shadow:4px 4px 0 var(--blue);}
}

button[aria-expanded]{min-width:44px;min-height:44px}