@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root{
  --neon:#80ff00;
  --neon2:#00ff00;
  --ink:#1f2617;
  --ink2:#161c10;
  --paper:#f4ffe4;
  --dim:#b8cf9c;
  --line:rgba(128,255,0,.28);
  --shade:rgba(0,0,0,.55);
}

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

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

body{
  margin:0;
  background:var(--ink);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(0,255,0,.10), transparent 42%),
    radial-gradient(circle at 88% 32%, rgba(128,255,0,.08), transparent 46%);
  color:var(--paper);
  font-family:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI','Noto Sans SC',sans-serif;
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
  font-weight:400;
}

body.menu-open{overflow:hidden}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--neon2)}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
button{font:inherit}
h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.02em;font-weight:700}

:focus-visible{outline:3px solid var(--neon2);outline-offset:3px}

.skip{
  position:absolute;left:10px;top:-70px;z-index:95;
  background:var(--neon);color:var(--ink);font-weight:700;
  padding:12px 16px;border-radius:4px;transition:top .18s;
}
.skip:focus{top:10px;color:var(--ink)}

/* 顶部两行 */
.top{
  position:sticky;top:0;z-index:70;
  background:rgba(22,28,16,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brandRow{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding:8px 14px;
}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  min-height:44px;color:var(--neon);font-weight:700;
  letter-spacing:.01em;font-size:1.04rem;
}
.brandTxt{
  display:inline-block;
  border-bottom:3px solid var(--neon2);
  padding-bottom:2px;
}
.logoImg{width:26px;height:26px;object-fit:contain;filter:saturate(160%)}
.contact{
  display:inline-flex;align-items:center;min-height:44px;
  padding:0 14px;border:2px solid var(--neon2);border-radius:4px;
  font-weight:600;font-size:.9rem;transform:rotate(-2deg);
  background:rgba(0,255,0,.07);
}
.menuRow{
  display:flex;align-items:center;gap:10px;
  padding:0 14px 9px;border-top:1px dashed var(--line);
}
.burger{
  flex:none;min-height:44px;padding:0 18px;border:0;border-radius:4px;
  background:var(--neon2);color:var(--ink);font-weight:700;
  letter-spacing:.14em;font-size:.9rem;cursor:pointer;
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
}
.burger:active{transform:translate(2px,2px);box-shadow:none}
.marquee{
  flex:1;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
}
.track{
  display:flex;gap:12px;width:max-content;white-space:nowrap;
  font-size:.78rem;letter-spacing:.18em;color:var(--dim);
  animation:mq 26s linear infinite;
}
.track .mqDot{color:var(--neon)}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 遮罩菜单 */
.veil{
  position:fixed;inset:0;z-index:80;
  display:flex;flex-direction:column;gap:18px;
  padding:16px 16px 40px;overflow:auto;
  background:
    radial-gradient(circle at 80% 10%, rgba(0,255,0,.16), transparent 55%),
    rgba(14,19,8,.98);
  transform:translateY(-101%);transition:transform .34s ease;
}
.veil[data-open="true"]{transform:none}
.veilTop{display:flex;align-items:center;justify-content:space-between;gap:12px}
.veilMark{color:var(--neon);font-weight:700;letter-spacing:.02em}
.closer{
  min-height:44px;padding:0 16px;border-radius:4px;
  background:transparent;color:var(--paper);
  border:2px solid var(--neon);font-weight:700;font-size:.9rem;cursor:pointer;
}
.veilNav ol{display:grid;gap:2px}
.veilNav a{
  display:flex;align-items:center;gap:14px;
  min-height:56px;padding:10px 8px;
  border-bottom:1px dashed rgba(128,255,0,.22);
  font-size:clamp(1.12rem,5.2vw,1.6rem);font-weight:600;
}
.veilNav a:hover{color:var(--neon2)}
.num{
  font-size:.72rem;letter-spacing:.16em;color:var(--neon);
  font-variant-numeric:tabular-nums;flex:none;
}

/* Hero */
.hero{
  position:relative;isolation:isolate;
  min-height:calc(100svh - 112px);
  display:flex;align-items:flex-end;
  padding:74px 16px 34px;overflow:hidden;
  border-bottom:2px solid var(--neon2);
}
.heroMedia{position:absolute;inset:0;z-index:-2}
.heroMedia img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(160%) contrast(1.06);
}
.heroShade{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(264deg, rgba(31,38,23,.94) 0%, rgba(31,38,23,.62) 46%, rgba(31,38,23,.22) 100%);
}
.heroShade::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(128,255,0,.16), transparent 60%);
  mix-blend-mode:screen;
}
.heroInner{
  width:100%;max-width:760px;margin-left:auto;
  text-align:right;display:flex;flex-direction:column;
  align-items:flex-end;gap:16px;
}
.badge{
  display:inline-block;padding:6px 12px;border-radius:4px;
  background:var(--neon2);color:var(--ink);
  font-weight:700;font-size:.78rem;letter-spacing:.06em;
  border:2px solid var(--ink2);transform:rotate(-3.5deg);
  box-shadow:4px 4px 0 rgba(0,0,0,.6);
  animation:jit 4.4s ease-in-out infinite;
}
@keyframes jit{
  0%,100%{transform:rotate(-3.5deg) translateY(0)}
  45%{transform:rotate(-1deg) translateY(-3px)}
  70%{transform:rotate(-5deg) translateY(1px)}
}
.hero h1{
  font-size:clamp(1.95rem,8.4vw,4.6rem);
  line-height:1.06;
  letter-spacing:-.03em;
  text-shadow:0 4px 26px rgba(0,0,0,.75);
  color:#f7ffec;
}
.cue{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:4px;
  border:2px solid var(--neon);color:var(--neon);
  font-weight:700;font-size:.9rem;
  background:rgba(0,0,0,.28);transform:rotate(1.5deg);
}
.cue:hover{background:var(--neon);color:var(--ink)}

/* 正文主容器 */
main{display:block}
main div[id]{scroll-margin-top:126px}

section{max-width:840px;margin:0 auto}

section > div{
  padding:34px 16px;
  border-top:1px dashed var(--line);
}
section > div h2{
  font-size:clamp(1.3rem,4.4vw,1.85rem);
  color:var(--neon);
}
section > div h3{
  font-size:1.1rem;color:var(--neon2);margin-top:18px;
}
section > div p{margin-top:12px;max-width:66ch;color:#e9f7dc}
section > div ul,section > div ol{margin-top:12px;padding-left:20px;list-style:disc}
section > div ol{list-style:decimal}
section > div li{margin-top:6px}
section > div a{
  color:var(--neon2);
  border-bottom:2px solid rgba(0,255,0,.4);
}
section > div img{border-radius:4px;margin-top:14px;filter:saturate(140%)}
section > div blockquote{
  margin:16px 0 0;padding:12px 14px;
  border-left:4px solid var(--neon2);
  background:rgba(0,255,0,.07);border-radius:0 4px 4px 0;
}

.kicker{
  padding-top:44px;
  border-top:0;
  position:relative;
}
.kicker h2{
  font-size:clamp(1.6rem,6.4vw,2.7rem);
  color:transparent;
  -webkit-text-stroke:1.5px var(--neon);
  letter-spacing:-.01em;
}
.kicker::before{
  content:"";position:absolute;left:16px;top:26px;
  width:56px;height:6px;background:var(--neon2);
  transform:rotate(-3deg);
}
.subtitle{
  margin-top:12px!important;
  color:var(--dim)!important;
  border-left:3px solid var(--neon);
  padding-left:12px;
  max-width:60ch;
  font-size:.96rem;
}

/* 右侧贴纸栏 */
.rail{
  padding:30px 16px 12px;
  border-top:1px dashed var(--line);
}
.railTitle{
  font-size:.76rem;letter-spacing:.24em;color:var(--dim);
  text-transform:uppercase;margin-bottom:10px;
}
.railList{display:flex;flex-wrap:wrap;gap:8px}
.railList a{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:8px 12px;
  border:1px solid var(--line);border-radius:4px;
  background:rgba(0,255,0,.05);font-size:.88rem;font-weight:500;
}
.railList li:nth-child(odd) a{transform:rotate(-1.6deg)}
.railList li:nth-child(even) a{transform:rotate(1.4deg)}
.railList a:hover{background:var(--neon);color:var(--ink);border-color:var(--neon)}

/* 页脚 */
.foot{
  margin-top:34px;
  border-top:3px solid var(--neon2);
  background:var(--ink2);
  padding:34px 16px 18px;
}
.fwrap{display:grid;gap:26px}
address{
  font-style:normal;font-weight:700;color:var(--neon);
  font-size:1.15rem;letter-spacing:.01em;
}
.subform{
  display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;
}
.subInput{
  flex:1 1 150px;min-height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:4px;
  background:rgba(255,255,255,.04);color:var(--paper);font:inherit;font-size:.92rem;
}
.subInput::placeholder{color:#93a97d}
.subBtn{
  flex:none;min-height:44px;padding:0 20px;border:0;border-radius:4px;
  background:var(--neon);color:var(--ink);font-weight:700;cursor:pointer;
}
.subBtn:hover{background:var(--neon2)}
.quick{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:16px}
.quick a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:.9rem;color:var(--dim);
  border-bottom:1px dashed rgba(128,255,0,.35);
}
.quick a:hover{color:var(--neon2)}
.fnav dl{display:grid;gap:2px}
.fnav dt a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:.95rem;font-weight:500;
}
.fnav dt a:hover{color:var(--neon2)}
.fnav dd{
  font-size:.72rem;color:#7f9569;letter-spacing:.2em;
  font-variant-numeric:tabular-nums;margin-bottom:2px;
}
.fbar{
  margin-top:26px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:.84rem;color:var(--dim);letter-spacing:.04em;
}

/* 滚动显现 */
html.js section > div{
  opacity:0;transform:translateY(18px);
  transition:opacity .55s ease,transform .55s ease;
}
html.js section > div.in{opacity:1;transform:none}

/* 桌面 */
@media (min-width:760px){
  .brandRow{padding:10px 26px}
  .menuRow{padding:0 26px 10px}
  .hero{padding:90px 26px 46px}
  section > div{padding:44px 26px}
  .kicker{padding-top:54px}
  .kicker::before{left:26px}
  .fwrap{grid-template-columns:1.15fr 1fr}
  .foot{padding:44px 26px 20px}
  .railList{gap:10px}
}

@media (min-width:1120px){
  main{
    display:grid;
    grid-template-columns:minmax(0,1fr) 248px;
    column-gap:38px;
    padding-right:22px;
    align-items:start;
  }
  main > .hero{grid-column:1 / -1;padding-right:26px}
  main > section{grid-column:1;width:100%;padding-left:6px}
  main > .rail{
    grid-column:2;grid-row:2;
    position:sticky;top:112px;
    border-top:0;border-left:1px dashed var(--line);
    padding:10px 0 10px 14px;
    align-self:start;
  }
  .railList{display:grid;flex-wrap:nowrap}
  .railList a{width:100%}
  .hero{min-height:calc(100svh - 108px)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js section > div{opacity:1;transform:none}
}

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