@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Hebrew:wght@300;400;500;700&display=swap');

:root{
  --green:#00ff80;
  --blue:#0000ff;
  --paper:#000000;
  --panel:#0a0a0a;
  --line:#1f1f1f;
  --rail:248px;
  --font:'Noto Sans Hebrew',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

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

body{
  margin:0;
  padding-left:var(--rail);
  background:var(--paper);
  color:#fff;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}

img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;margin:0}
:focus-visible{outline:3px solid var(--green);outline-offset:2px}

/* ---------- 左侧固定竖排导航 ---------- */
.rail{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--rail);
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:26px 20px 22px;
  background:#000;
  border-right:4px solid var(--green);
  z-index:60;
}

.brand{
  display:block;
  min-height:48px;
  padding-bottom:12px;
  border-bottom:4px solid var(--blue);
  color:var(--green);
  font-size:22px;
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.02em;
  text-decoration:none;
}

.menu-btn{
  display:none;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 18px;
  background:var(--green);
  color:#000;
  border:3px solid var(--green);
  border-radius:0;
  font-family:inherit;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
}

.rail-nav{flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain}
.rail-nav ol{
  counter-reset:navi;
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.rail-nav li{counter-increment:navi}
.rail-nav a{
  display:flex;
  align-items:baseline;
  gap:10px;
  min-height:44px;
  padding:11px 9px;
  border:2px solid var(--line);
  color:#fff;
  font-size:16px;
  font-weight:700;
  line-height:1.3;
  text-decoration:none;
  transition:none;
}
.rail-nav a::before{
  content:counter(navi,decimal-leading-zero);
  color:var(--green);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.rail-nav a:hover,
.rail-nav a:focus-visible{
  background:var(--green);
  border-color:var(--green);
  color:#000;
}
.rail-nav a:hover::before,
.rail-nav a:focus-visible::before{color:#000}

/* ---------- 右侧主按钮 ---------- */
.cta-side{
  position:fixed;
  right:0;
  bottom:26px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  min-height:50px;
  padding:0 22px;
  background:var(--blue);
  border:3px solid var(--green);
  border-right:0;
  color:#fff;
  font-size:16px;
  font-weight:700;
  text-decoration:none;
  transition:none;
}
.cta-side:hover,
.cta-side:focus-visible{background:var(--green);color:#000}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:grid;
  place-items:center;
  text-align:center;
  overflow:hidden;
  border-bottom:6px solid var(--green);
  background:#000;
}
.hero-media{
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(135deg,#000 0 20px,#001b12 20px 40px);
}
.hero-media img,
.hero-img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:grayscale(1) contrast(1.3);
}
.hero-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.72),rgba(0,0,255,.58) 56%,rgba(0,0,0,.94));
}
.hero-copy{
  position:relative;
  z-index:2;
  max-width:940px;
  padding:96px 22px;
}
.hero h1{
  font-size:clamp(34px,7.2vw,88px);
  line-height:1.04;
  font-weight:700;
  color:#fff;
  text-shadow:4px 4px 0 var(--blue);
  overflow-wrap:break-word;
}
.badge{
  position:absolute;
  top:86px;
  right:18px;
  z-index:3;
  padding:8px 13px;
  background:#000;
  border:3px solid var(--green);
  color:var(--green);
  font-size:15px;
  font-weight:700;
  line-height:1.4;
}

/* ---------- 主栅格：正文 + 右侧栏 ---------- */
.wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 272px;
  align-items:start;
  gap:28px;
  max-width:1180px;
  margin:0 auto;
  padding:52px 24px 118px;
}
.body{min-width:0}

.article{overflow-wrap:break-word}
.art-head{
  border-bottom:5px solid var(--green);
  padding-bottom:16px;
  margin-bottom:6px;
}
.art-head h2{
  font-size:clamp(22px,3vw,34px);
  line-height:1.18;
}
.subtitle{
  margin:10px 0 0;
  color:var(--green);
  font-size:16px;
  font-weight:500;
  line-height:1.65;
}

/* ---------- 正文章节（玻璃拟态卡） ---------- */
.article > div{
  margin-top:24px;
  padding:22px 20px;
  border:2px solid rgba(0,255,128,.4);
  border-left:10px solid var(--green);
  border-radius:10px;
  background:rgba(255,255,255,.055);
  -webkit-backdrop-filter:blur(9px);
  backdrop-filter:blur(9px);
  scroll-margin-top:96px;
  animation:rise .3s steps(4,end) both;
}
.article > div:nth-child(2){animation-delay:.04s}
.article > div:nth-child(3){animation-delay:.08s}
.article > div:nth-child(4){animation-delay:.12s}
.article > div:nth-child(5){animation-delay:.16s}
.article > div:nth-child(6){animation-delay:.2s}
.article > div:nth-child(7){animation-delay:.24s}
.article > div:nth-child(8){animation-delay:.28s}

.article div h2{
  font-size:clamp(21px,2.6vw,30px);
  line-height:1.24;
  margin:0 0 12px;
  color:#fff;
}
.article div h3{
  font-size:clamp(18px,2vw,22px);
  line-height:1.35;
  margin:20px 0 10px;
  color:var(--green);
}
.article p{margin:0 0 14px;color:#dedede}
.article p:last-child{margin-bottom:0}
.article ul,
.article ol{margin:0 0 16px;padding-left:24px;color:#dedede}
.article li{margin-bottom:9px;line-height:1.7}
.article a{
  color:var(--green);
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.article a:hover{background:var(--green);color:#000;text-decoration:none}
.article strong{color:#fff}
.article blockquote{
  margin:0 0 16px;
  padding:12px 16px;
  border-left:8px solid var(--blue);
  background:rgba(0,0,255,.22);
  color:#fff;
}
.article img{
  border:3px solid var(--green);
  margin:0 0 16px;
  height:auto;
}

/* ---------- 右侧栏 ---------- */
.side{
  position:sticky;
  top:24px;
  order:2;
  padding:16px;
  border:3px solid var(--green);
  border-radius:10px;
  background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.side h2{font-size:16px;letter-spacing:.06em;line-height:1.4}
.side .subtitle{margin-top:6px;font-size:16px}
.side-list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  border-top:2px solid rgba(0,255,128,.45);
}
.side-list li{
  border-bottom:1px solid var(--line);
  animation:rise .3s steps(3,end) both;
}
.side-list li:nth-child(1){animation-delay:.05s}
.side-list li:nth-child(2){animation-delay:.1s}
.side-list li:nth-child(3){animation-delay:.15s}
.side-list li:nth-child(4){animation-delay:.2s}
.side-list li:nth-child(5){animation-delay:.25s}
.side-list li:nth-child(6){animation-delay:.3s}
.side-list li:nth-child(7){animation-delay:.35s}
.side-list a{
  display:block;
  min-height:44px;
  padding:12px 6px;
  color:#fff;
  font-size:16px;
  font-weight:700;
  line-height:1.35;
  text-decoration:none;
  transition:none;
}
.side-list a:hover,
.side-list a:focus-visible{background:var(--blue);color:#fff}

/* ---------- 页脚 ---------- */
.foot{
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:14px 28px;
  margin-top:20px;
  padding:46px 24px 26px;
  border-top:6px solid var(--green);
  background:#000;
}
.foot-brand{
  grid-column:1;
  grid-row:1;
  margin:0;
  color:var(--green);
  font-size:clamp(30px,7.6vw,74px);
  font-weight:700;
  line-height:.95;
  letter-spacing:-.03em;
}
.foot-desc{
  grid-column:1;
  grid-row:2;
  margin:0;
  max-width:46ch;
  color:#c7c7c7;
  font-size:16px;
  line-height:1.7;
}
.foot-links{
  grid-column:2;
  grid-row:1 / span 2;
  margin:0;
  align-self:start;
  display:flex;
  flex-direction:column;
}
.foot-links a{
  display:inline-block;
  min-height:42px;
  padding:10px 0;
  border-bottom:2px solid var(--line);
  color:#fff;
  font-size:16px;
  font-weight:700;
  text-decoration:none;
  transition:none;
}
.foot-links a:hover,
.foot-links a:focus-visible{color:var(--green);border-color:var(--green)}
.foot-copy{
  grid-column:1 / -1;
  grid-row:3;
  display:block;
  margin-top:22px;
  padding-top:14px;
  border-top:1px solid var(--line);
  text-align:center;
  color:#7e7e7e;
  font-size:14px;
  line-height:1.6;
}

@keyframes rise{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:none}
}

/* ---------- 平板与手机 ---------- */
@media (max-width:1023px){
  body{padding-left:0}
  .rail{
    position:sticky;
    top:0;
    bottom:auto;
    width:100%;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:12px 16px;
    border-right:0;
    border-bottom:4px solid var(--green);
  }
  .brand{
    border-bottom:0;
    padding-bottom:0;
    min-height:44px;
    font-size:19px;
    display:flex;
    align-items:center;
  }
  .menu-btn{display:inline-flex}
  .rail-nav{
    display:none;
    flex:1 1 100%;
    width:100%;
    max-height:62vh;
    overflow-y:auto;
    margin-top:4px;
    padding-top:10px;
    border-top:2px solid var(--green);
  }
  body.menu-open .rail-nav{display:block}
  .hero{min-height:calc(100svh - 68px)}
  .badge{top:16px;right:12px;font-size:14px}
  .hero-copy{padding:78px 18px}
  .wrap{grid-template-columns:minmax(0,1fr);padding:36px 16px 104px;gap:22px}
  .side{position:static}
  .cta-side{bottom:14px;min-height:46px;padding:0 18px}
  .foot{grid-template-columns:1fr;padding:36px 16px 22px}
  .foot-brand,
  .foot-desc,
  .foot-links,
  .foot-copy{grid-column:1;grid-row:auto}
  .foot-links{flex-direction:row;flex-wrap:wrap;gap:0 20px;margin-top:4px}
  .foot-copy{margin-top:18px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{animation:none !important;transition:none !important}
}

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