@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

:root{
  --ink:#1f2617;
  --ink-2:#161b10;
  --ink-3:#2b3420;
  --lime:#80ff00;
  --neon:#00ff00;
  --paper:#f3ffdf;
  --line:#47592e;
  --r:28px;
}

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

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

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:Lexend,'Source Sans 3',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  font-size:18px;
  line-height:1.62;
  overflow-x:hidden;
  background-image:
    radial-gradient(circle at 10% 6%,rgba(128,255,0,.18),transparent 42%),
    radial-gradient(circle at 92% 18%,rgba(0,255,0,.12),transparent 46%),
    radial-gradient(circle at 46% 96%,rgba(128,255,0,.14),transparent 58%);
  background-attachment:fixed;
}

img{display:block;max-width:100%;height:auto}
a{color:var(--lime)}
p{margin:0 0 1rem}

.skip{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:99;
  padding:.8rem 1.2rem;
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
}
.skip:focus{left:.6rem;top:.6rem}

/* ---------- 头部 ---------- */
.bar{
  background:var(--ink-2);
  border-bottom:4px solid var(--lime);
  padding:.6rem .9rem .5rem;
  z-index:20;
}
.bar.is-stuck{box-shadow:0 10px 0 rgba(0,0,0,.35)}

.bar-brand{
  display:flex;
  align-items:center;
  gap:.7rem;
  flex-wrap:wrap;
  max-width:1180px;
  margin:0 auto;
}

.mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:44px;
  padding:0 .5rem;
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  font-size:1.1rem;
  text-decoration:none;
  border-radius:14px;
  transform:rotate(-4deg);
  border:3px solid var(--ink);
  filter:saturate(140%);
}

.brandname{
  font-size:clamp(1.3rem,4vw,1.9rem);
  font-weight:700;
  letter-spacing:-.03em;
  color:#fff;
  text-decoration:none;
  line-height:1.15;
  padding:.3rem 0;
  border-bottom:3px solid transparent;
}
.brandname:hover{color:var(--lime);border-bottom-color:var(--neon);transform:skewX(-6deg)}

.bar-contact{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:.4rem 1rem;
  background:transparent;
  border:2px dashed var(--lime);
  border-radius:999px;
  color:var(--paper);
  font-weight:600;
  text-decoration:none;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.bar-contact:hover{
  background:var(--neon);
  color:var(--ink);
  transform:rotate(-2deg);
  border-style:solid;
}

.menu{max-width:1180px;margin:.55rem auto 0}
.menu-list{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  margin:0;
  padding:0;
  counter-reset:m;
}
.menu-list li{
  counter-increment:m;
  animation:pop .42s both;
  animation-delay:calc(var(--i,0) * 55ms);
}
.menu-list li::before{
  content:counter(m,decimal-leading-zero);
  display:block;
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--lime);
  padding-left:.15rem;
  line-height:1;
  margin-bottom:.15rem;
}
.menu-list a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:.45rem .85rem;
  border:2px solid var(--line);
  border-radius:999px;
  color:var(--paper);
  font-size:.95rem;
  font-weight:600;
  text-decoration:none;
  transition:transform .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
}
.menu-list a:hover,
.menu-list a:focus-visible{
  background:var(--lime);
  color:var(--ink);
  border-color:var(--ink);
  transform:translateY(-3px) rotate(-2.5deg);
}
.menu-list a[aria-current="true"]{
  background:var(--neon);
  color:var(--ink);
  border-color:var(--ink);
}

@keyframes pop{
  from{opacity:0;transform:translateY(10px) rotate(-6deg)}
  to{opacity:1;transform:none}
}

/* ---------- 跑马灯 ---------- */
.ticker{
  background:var(--lime);
  color:var(--ink);
  border-bottom:4px solid var(--ink);
  overflow:hidden;
  padding:.35rem 0;
}
.ticker-run{
  display:flex;
  width:max-content;
  gap:2.4rem;
  font-weight:700;
  font-size:.9rem;
  letter-spacing:.06em;
  animation:slide 26s linear infinite;
}
.ticker-run span{white-space:nowrap}
@keyframes slide{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* ---------- 首屏 ---------- */
.hero{
  display:grid;
  grid-template-columns:1fr;
  gap:1.2rem;
  align-items:center;
  min-height:45vh;
  max-width:1180px;
  margin:0 auto;
  padding:1.6rem 1rem 2rem;
}
.hero-copy{text-align:left}

.hero-kick{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  margin:0 0 .7rem;
  padding:.25rem .8rem;
  background:var(--neon);
  color:var(--ink);
  font-weight:700;
  font-size:.82rem;
  letter-spacing:.06em;
  border-radius:999px;
  transform:rotate(-2deg);
}

.hero h1{
  margin:0 0 .7rem;
  font-size:clamp(2rem,8.5vw,3.5rem);
  line-height:1.06;
  letter-spacing:-.04em;
  font-weight:700;
  color:#fff;
  text-shadow:5px 5px 0 rgba(128,255,0,.42);
}

.hero-lead{
  margin:0;
  max-width:46ch;
  font-size:1.02rem;
  color:#d9eec4;
}

.collage{
  position:relative;
  order:-1;
  height:clamp(180px,42vw,250px);
}
.shot{
  position:absolute;
  object-fit:cover;
  border:4px solid var(--lime);
  border-radius:var(--r);
  filter:saturate(150%) contrast(1.05);
  box-shadow:0 12px 0 rgba(0,0,0,.35);
  transition:transform .28s ease;
}
.shot-a{
  width:64%;
  height:88%;
  left:0;
  top:6%;
  transform:rotate(-5deg);
  z-index:1;
}
.shot-b{
  width:52%;
  height:76%;
  right:2%;
  bottom:0;
  transform:rotate(6deg);
  z-index:2;
  mix-blend-mode:screen;
}
.collage:hover .shot-a{transform:rotate(-8deg) translateY(-4px)}
.collage:hover .shot-b{transform:rotate(9deg) translateY(4px)}

.sticker{
  position:absolute;
  right:0;
  top:-8px;
  z-index:3;
  display:grid;
  place-items:center;
  width:52px;
  height:52px;
  background:var(--neon);
  color:var(--ink);
  font-size:1.4rem;
  border:3px solid var(--ink);
  border-radius:50%;
  mix-blend-mode:screen;
  animation:jitter 3.4s ease-in-out infinite;
}
@keyframes jitter{
  0%,100%{transform:rotate(-8deg) translate(0,0)}
  35%{transform:rotate(6deg) translate(2px,-3px)}
  70%{transform:rotate(-3deg) translate(-2px,2px)}
}

/* ---------- 主体骨架 ---------- */
.wrap{
  display:grid;
  grid-template-columns:1fr;
  gap:1.6rem;
  max-width:1180px;
  margin:0 auto;
  padding:0 1rem 2.4rem;
}

/* ---------- 侧栏 ---------- */
.rail{
  border:2px solid var(--line);
  border-radius:var(--r);
  background:rgba(0,255,0,.05);
  padding:1rem;
}
.rail-title{
  margin:0 0 .7rem;
  font-size:.86rem;
  letter-spacing:.16em;
  color:var(--lime);
}
.rail-title span{
  background:var(--lime);
  color:var(--ink);
  padding:0 .5em;
  border-radius:6px;
}
.rail-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.15rem;
  counter-reset:r;
}
.rail-list li{counter-increment:r}
.rail-list li::before{
  content:counter(r,decimal-leading-zero) " ";
  color:var(--lime);
  font-size:.7rem;
  letter-spacing:.1em;
}
.rail-list a{
  display:inline-block;
  padding:.55rem 0;
  min-height:40px;
  color:var(--paper);
  text-decoration:none;
  border-bottom:1px dashed var(--line);
  width:100%;
  font-size:.95rem;
  transition:color .16s ease,padding-left .16s ease;
}
.rail-list a:hover{color:var(--neon);padding-left:.35rem}
.rail-list a[aria-current="true"]{color:var(--ink);background:var(--lime);padding-left:.35rem}

/* ---------- 正文 ---------- */
.doc > article:not(.doc-end){
  background:linear-gradient(180deg,rgba(128,255,0,.08),rgba(128,255,0,.02));
  border:2px solid var(--line);
  border-bottom:8px solid var(--lime);
  border-radius:var(--r);
  padding:clamp(1.1rem,3.4vw,2.3rem);
  margin:0 0 1.7rem;
  transform:rotate(-.4deg);
  transition:transform .25s ease,border-color .25s ease;
}
.doc > article:not(.doc-end):nth-child(even){transform:rotate(.45deg)}
.doc > article:not(.doc-end):hover{transform:rotate(0);border-color:var(--neon)}

.doc h2{
  font-size:clamp(1.35rem,3.6vw,2rem);
  line-height:1.18;
  letter-spacing:-.025em;
  margin:0 0 .8rem;
  color:#fff;
}
.doc h2 > span{
  background:var(--lime);
  color:var(--ink);
  padding:0 .18em;
  border-radius:6px;
  -webkit-box-decoration-break:clone;
  box-decoration-break:clone;
  filter:saturate(130%);
}
.doc h3{
  font-size:clamp(1.1rem,2.6vw,1.35rem);
  margin:1.5rem 0 .5rem;
  color:var(--neon);
  letter-spacing:-.01em;
}
.doc h3 > span{border-bottom:4px solid var(--lime);padding-bottom:.1em}

.doc p,.doc li{max-width:66ch}
.doc p{margin:0 0 1rem}
.doc ul,.doc ol{margin:0 0 1rem;padding-left:1.35rem}
.doc li{margin:.3rem 0}
.doc li::marker{color:var(--lime)}
.doc a{
  color:var(--neon);
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.doc a:hover{background:var(--lime);color:var(--ink);text-decoration:none}
.doc strong{color:#fff;background:rgba(0,255,0,.16);padding:0 .15em}
.doc blockquote{
  margin:1.1rem 0;
  padding:.85rem 1rem;
  background:rgba(0,255,0,.08);
  border-left:6px solid var(--lime);
  border-radius:0 var(--r) var(--r) 0;
}
.doc blockquote p:last-child{margin:0}
.doc table{
  width:100%;
  border-collapse:collapse;
  font-size:.94rem;
  margin:0 0 1rem;
}
.doc th,.doc td{
  border:2px solid var(--line);
  padding:.5rem .6rem;
  text-align:left;
}
.doc th{background:rgba(128,255,0,.14);color:#fff}
.doc img{border-radius:var(--r);border:3px solid var(--line);margin:0 0 1rem}
.doc hr{border:0;border-top:4px dashed var(--line);margin:1.6rem 0}

.doc-end{
  border:3px dashed var(--lime);
  border-radius:var(--r);
  padding:1.2rem;
  display:grid;
  gap:.7rem;
  justify-items:start;
}
.doc-end h2{margin:0;font-size:1rem;letter-spacing:.14em;color:var(--lime)}
.top-btn{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:.5rem 1.1rem;
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  border-radius:999px;
  text-decoration:none;
  border:3px solid var(--ink);
  transition:transform .16s ease;
}
.top-btn:hover{transform:translateY(-3px) rotate(-2deg)}

/* ---------- 页脚 ---------- */
.foot{
  border-top:8px solid var(--lime);
  background:var(--ink-2);
  padding:1.8rem .9rem 1rem;
  margin-top:1rem;
}
.foot-inner{
  max-width:1180px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr;
  gap:1.4rem;
}
.foot-name{
  font-size:1.25rem;
  font-weight:700;
  letter-spacing:-.02em;
  color:#fff;
  margin:0 0 .4rem;
}
.foot-desc{
  margin:0;
  font-size:.92rem;
  color:#bcd3a4;
  max-width:34ch;
}
.foot-cols{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
  gap:1rem;
}
.foot dl{margin:0}
.foot dt{
  font-size:.78rem;
  letter-spacing:.16em;
  color:var(--lime);
  margin-bottom:.4rem;
  font-weight:700;
}
.foot dd{margin:0}
.foot dd a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:.35rem 0;
  color:var(--paper);
  font-size:.92rem;
  text-decoration:none;
  border-bottom:1px dashed var(--line);
  transition:color .16s ease,padding-left .16s ease;
}
.foot dd a:hover{color:var(--neon);padding-left:.3rem}
.foot-copy{
  margin:0;
  grid-column:1/-1;
  border-top:2px solid var(--line);
  padding-top:.7rem;
  font-size:.82rem;
  color:#93a97c;
  letter-spacing:.06em;
}

/* ---------- 平板及以上 ---------- */
@media (min-width:700px){
  .hero{grid-template-columns:1.08fr .92fr;gap:2rem;padding:2rem 1rem 2.4rem}
  .collage{order:0;height:clamp(220px,26vw,300px)}
  .foot-inner{grid-template-columns:1.1fr 1.9fr}
}

@media (min-width:860px){
  .bar{position:sticky;top:0}
  article[id]{scroll-margin-top:150px}
  .wrap{grid-template-columns:238px minmax(0,1fr);gap:2.2rem;padding-top:.4rem}
  .rail{position:sticky;top:150px;align-self:start}
  .bar{padding:.7rem 1.4rem .6rem}
}

/* ---------- 移动端收紧 ---------- */
@media (max-width:480px){
  body{font-size:17px}
  .hero{padding:1.1rem 1rem 1.6rem}
  .hero h1{text-shadow:3px 3px 0 rgba(128,255,0,.42)}
  .bar-contact{margin-left:0}
  .menu-list a{font-size:.88rem;padding:.4rem .7rem}
  .doc > article:not(.doc-end){transform:none}
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .doc > article:not(.doc-end){transform:none}
}

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