:root{
  --neon:#69ff69;
  --cyan:#00ffff;
  --ink:#172617;
  --bg:#0a120b;
  --panel:#12200f;
  --panel2:#0f1c11;
  --txt:#d7f4dc;
  --dim:#a4cdab;
  --chrome:linear-gradient(150deg,#f2fff6 0%,#bdf8d4 16%,#69ff69 38%,#ae f1ff 56%,#e9fffb 76%,#8ef3c9 100%);
  --r:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Didact Gothic',"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--txt);
  background-color:var(--bg);
  background-image:
    radial-gradient(620px 440px at 10% 4%,rgba(105,255,105,.16),transparent 70%),
    radial-gradient(520px 400px at 92% 26%,rgba(0,255,255,.13),transparent 72%),
    radial-gradient(700px 520px at 62% 92%,rgba(105,255,105,.09),transparent 70%);
  background-attachment:fixed;
}
[id]{scroll-margin-top:26px}
img{max-width:100%;height:auto;display:block}
a{color:var(--neon);text-decoration:none}
a:hover{color:var(--cyan)}
h1,h2,h3,h4{font-family:'Poiret One',"PingFang SC",system-ui,cursive;font-weight:400;line-height:1.26;letter-spacing:.05em;margin:0 0 14px}
p{margin:0 0 14px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* 页头：左侧固定竖排 */
.top{
  position:fixed;top:0;left:0;bottom:0;width:252px;z-index:30;
  display:flex;flex-direction:column;gap:12px;
  padding:26px 18px 22px;
  overflow-y:auto;
  background:linear-gradient(180deg,#101e12 0%,#0a120b 62%,#0d1a10 100%);
  box-shadow:inset -1px 0 0 rgba(0,255,255,.25);
}
.brand{
  font-family:'Poiret One',cursive;
  font-size:27px;letter-spacing:.1em;padding:4px 2px 2px;
  filter:drop-shadow(0 0 12px rgba(105,255,105,.6));
}
.brand span{
  background:var(--chrome);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.top nav p{display:flex;flex-direction:column;gap:6px;margin:0}
.top nav a{
  display:flex;align-items:center;min-height:44px;
  padding:9px 13px;border-radius:var(--r);
  font-size:16px;color:#c9ecd0;background:var(--panel);
  transition:background .2s,color .2s,box-shadow .2s;
}
.top nav a:hover{color:#08130a;background:var(--chrome);box-shadow:0 0 20px rgba(0,255,255,.45)}
.tel{
  margin-top:auto;display:flex;align-items:center;justify-content:center;
  min-height:44px;padding:8px 14px;border-radius:999px;
  font-size:16px;color:var(--cyan);
  background:rgba(0,255,255,.1);
  box-shadow:0 0 0 1px rgba(0,255,255,.5),0 0 18px rgba(0,255,255,.25);
}
.tel:hover{color:#08130a;background:var(--cyan);box-shadow:0 0 24px rgba(0,255,255,.6)}

main{margin-left:252px}

/* 紧凑斜切 hero */
.hero{
  position:relative;overflow:hidden;
  min-height:45vh;
  display:flex;flex-direction:column;justify-content:center;gap:12px;
  padding:34px 34px 52px;
  background:linear-gradient(118deg,rgba(105,255,105,.2) 0%,rgba(0,255,255,.15) 48%,rgba(23,38,23,.94) 100%);
}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 84% 20%,rgba(255,255,255,.42) 0 3px,transparent 4px),
    radial-gradient(circle at 72% 62%,rgba(0,255,255,.5) 0 2px,transparent 3px),
    radial-gradient(circle at 90% 76%,rgba(105,255,105,.55) 0 4px,transparent 5px),
    radial-gradient(circle at 62% 14%,rgba(255,255,255,.3) 0 2px,transparent 3px);
}
.hero h1{
  font-size:clamp(2rem,5vw,3.4rem);
  margin:0;letter-spacing:.04em;
  background:var(--chrome);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 16px rgba(105,255,105,.4));
}
.hero-desc{max-width:48ch;color:#d5efdb;margin:0;position:relative}
.hero-media{margin-top:8px;position:relative}
.hero-img{
  width:100%;max-height:28vh;object-fit:cover;border-radius:var(--r);
  box-shadow:0 0 0 2px rgba(0,255,255,.4),0 0 34px rgba(105,255,105,.28);
}
.hero-band{
  position:absolute;left:0;right:0;bottom:0;height:20px;
  background:var(--chrome);opacity:.92;
  clip-path:polygon(0 62%,100% 0,100% 100%,0 100%);
}

/* 正文骨架 */
.wrap{
  display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;
  max-width:1180px;padding:30px 26px 12px;align-items:start;
}
.side{
  position:sticky;top:22px;order:0;
  display:flex;flex-direction:column;gap:10px;
  padding:16px;border-radius:var(--r);
  background:var(--panel2);
  box-shadow:0 0 0 1px rgba(0,255,255,.16),0 12px 30px rgba(0,0,0,.45);
}
.side-h{
  font-size:16px;letter-spacing:.18em;color:var(--cyan);
  margin:2px 0 0;line-height:1.4;
}
.deco{position:relative;display:inline-block}
.deco::after{
  content:'✦';position:absolute;right:-1.15em;top:-.05em;
  font-size:.62em;color:var(--neon);text-shadow:0 0 8px var(--neon);
}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;min-height:40px;padding:8px 11px;
  border-radius:8px;font-size:16px;color:#c6e9cc;background:#0e1a10;
  transition:background .2s,color .2s;
}
.side-list a:hover{background:var(--chrome);color:#08130a}
.side-addr{font-style:normal;color:var(--dim);padding:0 11px 4px}
.totop{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:8px 14px;border-radius:999px;
  font-size:16px;color:#08130a;background:var(--chrome);
  box-shadow:0 0 16px rgba(105,255,105,.35);
}
.totop:hover{color:#08130a;box-shadow:0 0 24px rgba(0,255,255,.6)}

.body-sec{min-width:0}
.content{max-width:74ch}
.content section{padding:26px 0 30px;border-top:1px dashed rgba(0,255,255,.22)}
.content section:first-child{border-top:0;padding-top:2px}
.content h2{font-size:clamp(1.45rem,3vw,2rem);color:#eaffef}
.content h3{font-size:clamp(1.2rem,2.2vw,1.45rem);color:#e6ffe9}
.content h2 > span,.content h3 > span{
  background:var(--chrome);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 10px rgba(105,255,105,.35));
}
.content p{color:#d3f0d8}
.content strong{color:#effff1}
.content ul,.content ol{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:10px}
.content li{padding:12px 15px;border-radius:var(--r);background:var(--panel);color:#d3f0d8}
.content li ul,.content li ol{margin-top:10px}
.content li li{background:#0d1a10}
.content blockquote{
  margin:0 0 16px;padding:14px 18px;border-radius:var(--r);
  background:var(--panel2);color:#c2e7ca;
}
.content blockquote p:last-child{margin:0}
.content table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:16px}
.content th,.content td{padding:10px 12px;text-align:left;background:var(--panel)}
.content th{color:#eaffef;background:#193012}
.content pre{
  margin:0 0 16px;padding:14px 16px;overflow-x:auto;
  border-radius:var(--r);background:#0b160d;color:#b6f5c4;font-size:16px;
}
.content code{font-size:.95em;color:var(--neon)}

/* 页脚 */
.foot{
  margin-left:252px;margin-top:44px;padding:34px 26px 16px;
  background:linear-gradient(180deg,#0d1a10,#070f08);
  box-shadow:inset 0 1px 0 rgba(105,255,105,.28);
}
.foot-grid{display:grid;grid-template-columns:1.1fr 1.2fr .8fr;gap:22px;max-width:1180px;align-items:start}
.fbrand{font-family:'Poiret One',cursive;font-size:21px;color:var(--neon);margin:0 0 6px}
.foot address{font-style:normal;color:var(--dim)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.foot ul a{display:flex;align-items:center;min-height:40px;padding:6px 4px;font-size:16px;color:#c6e9cc}
.foot ul a:hover{color:var(--cyan)}
.foot-bar{
  text-align:center;margin-top:22px;padding-top:14px;
  box-shadow:inset 0 1px 0 rgba(0,255,255,.16);color:#93bf9c;font-size:16px;
}
.foot-bar p{margin:0}

/* 滚动揭示 */
.rv{opacity:0;transform:translateY(16px)}
.rv.in{opacity:1;transform:none;transition:opacity .5s ease,transform .55s cubic-bezier(.2,.8,.3,1)}

@media (max-width:900px){
  .top{
    position:static;width:auto;flex-direction:row;flex-wrap:wrap;align-items:center;
    gap:8px;padding:12px 14px 10px;
    box-shadow:inset 0 -1px 0 rgba(0,255,255,.25);
  }
  .brand{font-size:22px}
  .top nav{width:100%;order:3;min-width:0}
  .top nav p{flex-direction:row;gap:6px;overflow-x:auto;padding-bottom:4px}
  .top nav a{white-space:nowrap;min-height:42px;padding:8px 12px}
  .tel{margin-top:0;margin-left:auto;min-height:40px;padding:6px 12px}
  main,.foot{margin-left:0}
  .hero{min-height:0;padding:22px 16px 38px}
  .hero-img{max-height:34vh}
  .wrap{grid-template-columns:minmax(0,1fr);gap:20px;padding:20px 16px 0}
  .side{position:static;order:2}
  .foot{padding:26px 16px 14px;margin-top:34px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .content section{padding:22px 0 24px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}
</style>

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