:root{
  --ink:#172617;
  --lime:#69ff69;
  --cyan:#00ffff;
  --paper:#e8f8e8;
  --dim:#a9c6ab;
  --line:rgba(105,255,105,.26);
  --line-c:rgba(0,255,255,.24);
  --chrome:linear-gradient(176deg,#f4fff4 0%,#c2ffc2 24%,#69ff69 47%,#14a273 70%,#00ffff 100%);
  --glass:linear-gradient(180deg,rgba(255,255,255,.20),rgba(255,255,255,.03) 52%,rgba(0,0,0,.16));
  --rad:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:'Plus Jakarta Sans',"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.66;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:-12%;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 12% 16%,rgba(105,255,105,.20),transparent 42%),
    radial-gradient(circle at 88% 6%,rgba(0,255,255,.16),transparent 38%),
    radial-gradient(circle at 68% 84%,rgba(105,255,105,.12),transparent 46%);
  animation:drift 20s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(0,-28px,0)}
}

/* 顶部 */
.sky{
  position:sticky;
  top:0;
  z-index:30;
  padding:10px clamp(14px,4vw,40px) 0;
  background:linear-gradient(180deg,rgba(23,38,23,.97),rgba(23,38,23,.86));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.sky__top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.lockup{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  text-decoration:none;
  color:var(--lime);
}
.mark{
  width:36px;
  height:36px;
  flex:none;
  border-radius:12px;
  border:1px solid var(--line-c);
  object-fit:cover;
  background:var(--glass);
}
.mark--void{
  display:block;
  border-radius:50%;
  background:radial-gradient(circle at 34% 30%,#f2fff2,#69ff69 42%,#00ffff 100%);
  filter:drop-shadow(0 0 10px rgba(0,255,255,.35));
}
.lockup__name{
  font-weight:800;
  font-size:17px;
  letter-spacing:.02em;
  background:var(--chrome);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:#c9ffc9;
}
.find{
  flex:1 1 150px;
  min-width:120px;
  display:flex;
  align-items:center;
  height:44px;
  padding:0 15px;
  border-radius:999px;
  border:1px solid var(--line-c);
  background:rgba(0,0,0,.30);
}
.find__glass{
  position:relative;
  width:11px;
  height:11px;
  flex:none;
  margin-right:10px;
  border:2px solid var(--lime);
  border-radius:50%;
}
.find__glass::after{
  content:"";
  position:absolute;
  right:-4px;
  bottom:-4px;
  width:2px;
  height:6px;
  background:var(--lime);
  transform:rotate(-45deg);
}
.find input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  outline:0;
  background:none;
  color:var(--paper);
  font:inherit;
  font-size:16px;
}
.find input::placeholder{color:rgba(169,198,171,.85)}
.deck{position:relative;margin-left:auto}
.deck summary{
  list-style:none;
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--lime);
  font-size:16px;
  letter-spacing:.1em;
  cursor:pointer;
  -webkit-user-select:none;
  user-select:none;
}
.deck summary::-webkit-details-marker{display:none}
.deck summary::after{
  content:"";
  width:8px;
  height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);
  transition:transform .2s ease;
}
.deck[open] summary::after{transform:rotate(-135deg) translate(-1px,-1px)}
.deck__list{
  position:absolute;
  right:0;
  top:calc(100% + 10px);
  width:min(80vw,368px);
  margin:0;
  padding:14px;
  list-style:none;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4px 10px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#132019;
  z-index:40;
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.deck__list .grp{
  grid-column:1 / -1;
  padding:8px 10px 2px;
  font-size:14px;
  letter-spacing:.18em;
  color:var(--dim);
}
.deck__list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:0 10px;
  border-radius:8px;
  color:var(--paper);
  text-decoration:none;
  font-size:16px;
}
.deck__list a:hover,
.deck__list a:focus-visible{background:rgba(105,255,105,.14);color:var(--lime)}
.rail{
  display:flex;
  gap:8px;
  padding:10px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail a{
  flex:none;
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line-c);
  background:linear-gradient(180deg,rgba(0,255,255,.12),rgba(0,255,255,.02));
  color:#c3f7f7;
  font-size:16px;
  text-decoration:none;
  white-space:nowrap;
}
.rail a:first-child{
  color:#0d2a14;
  font-weight:700;
  border-color:#b6ffb6;
  background:linear-gradient(180deg,#d3ffd3,#69ff69 56%,#2fd07a);
}
.rail a:hover,.rail a:focus-visible{border-color:var(--lime);color:#f0fff0}

/* 主体 */
.stage{
  position:relative;
  z-index:1;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(14px,4vw,40px) 72px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  gap:clamp(20px,3vw,46px);
  align-items:start;
}
.piece{min-width:0}
.hero{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  gap:18px;
  min-height:62vh;
  padding:clamp(30px,6vw,70px) 0 clamp(28px,4vw,48px);
  margin:0;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 84% 20%,rgba(0,255,255,.18),transparent 30%),
    radial-gradient(circle at 18% 76%,rgba(105,255,105,.14),transparent 34%);
}
.spark{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0;
  padding:7px 16px 7px 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--lime);
  font-size:15px;
  letter-spacing:.05em;
}
.spark__dot{
  width:8px;
  height:8px;
  flex:none;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 0 rgba(0,255,255,.6);
  animation:pulse 2.6s ease-out infinite;
}
@keyframes pulse{to{box-shadow:0 0 0 13px rgba(0,255,255,0)}}
.hero__t{
  position:relative;
  margin:0;
  font-size:clamp(2.1rem,6.1vw,4.3rem);
  line-height:1.05;
  font-weight:800;
  letter-spacing:-.02em;
  background:var(--chrome);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:#d6ffd6;
  filter:drop-shadow(0 0 26px rgba(105,255,105,.26));
}
.hero__d{
  position:relative;
  margin:0;
  max-width:48ch;
  color:var(--dim);
  font-size:17px;
}
.piece > article:not(.hero){
  position:relative;
  margin:0 0 20px;
  padding:clamp(20px,3.2vw,34px);
  border:1px solid var(--line);
  border-radius:var(--rad);
  background:linear-gradient(180deg,rgba(29,51,36,.74),rgba(23,38,23,.58));
  scroll-margin-top:180px;
  animation:rise .55s both;
}
.piece > article:not(.hero):nth-of-type(2){animation-delay:.04s}
.piece > article:not(.hero):nth-of-type(3){animation-delay:.09s}
.piece > article:not(.hero):nth-of-type(4){animation-delay:.14s}
.piece > article:not(.hero):nth-of-type(5){animation-delay:.19s}
.piece > article:not(.hero):nth-of-type(6){animation-delay:.24s}
.piece > article:not(.hero):nth-of-type(7){animation-delay:.29s}
.piece > article:not(.hero):nth-of-type(8){animation-delay:.34s}
@keyframes rise{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:none}
}
.piece h2{
  margin:0 0 12px;
  font-size:clamp(1.34rem,2.5vw,1.8rem);
  line-height:1.22;
  letter-spacing:-.01em;
  color:var(--lime);
}
.piece h3{
  margin:24px 0 8px;
  font-size:1.16rem;
  line-height:1.3;
  color:#cdffcd;
}
.piece hr,
.side hr{
  border:0;
  height:1px;
  margin:0 0 18px;
  background:linear-gradient(90deg,var(--lime),rgba(0,255,255,.36) 46%,transparent);
}
.piece p{margin:0 0 14px}
.piece ul,.piece ol{margin:0 0 14px;padding-left:1.3em}
.piece li{margin:0 0 7px}
.piece a{color:var(--cyan);text-underline-offset:3px}
.piece a:hover{color:var(--lime)}
.piece strong{color:var(--lime)}
.piece blockquote{
  margin:0 0 14px;
  padding:10px 16px;
  border-left:3px solid var(--cyan);
  border-radius:0 var(--rad) var(--rad) 0;
  background:rgba(0,255,255,.07);
}
.piece img{max-width:100%;height:auto;border-radius:var(--rad);border:1px solid var(--line)}
.piece pre{
  overflow-x:auto;
  margin:0 0 14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--rad);
  background:rgba(0,0,0,.38);
  font-size:15px;
  line-height:1.55;
}
.piece code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.92em;
  padding:1px 5px;
  border-radius:4px;
  background:rgba(0,255,255,.12);
}
.piece pre code{padding:0;background:none}
.piece table{width:100%;border-collapse:collapse;font-size:16px;margin:0 0 14px}
.piece th,.piece td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left}

/* 侧栏 */
.side{
  position:sticky;
  top:186px;
  margin-top:clamp(26px,6vw,64px);
  padding:18px;
  border:1px solid var(--line-c);
  border-radius:var(--rad);
  background:linear-gradient(180deg,rgba(0,255,255,.09),rgba(0,255,255,.02));
  font-size:16px;
}
.side__h{
  margin:0 0 10px;
  font-size:16px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.side__list{
  counter-reset:c;
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.side__list li{counter-increment:c}
.side__list a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:42px;
  padding:0 8px;
  border-radius:8px;
  color:var(--paper);
  text-decoration:none;
  font-size:16px;
}
.side__list a::before{
  content:counter(c,decimal-leading-zero);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.side__list a:hover,.side__list a:focus-visible{background:rgba(0,255,255,.12);color:#f0ffff}

/* 页脚 */
.base{
  position:relative;
  z-index:1;
  padding:clamp(26px,4vw,48px) clamp(14px,4vw,40px) 36px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(23,38,23,.5),#0e1a10);
}
.base__mark{padding:0}
.base__word{
  margin:0;
  font-size:clamp(1.9rem,8.6vw,5.2rem);
  line-height:.96;
  font-weight:800;
  letter-spacing:-.03em;
  background:linear-gradient(180deg,#f2fff2,#69ff69 52%,#00ffff);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:#c9ffc9;
  filter:drop-shadow(0 6px 22px rgba(0,255,255,.20));
}
.base__fine{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.base__fine p{margin:0;font-size:16px;color:var(--dim)}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

@media (max-width:900px){
  .stage{grid-template-columns:minmax(0,1fr)}
  .side{position:static;order:2;margin-top:4px}
  .hero{min-height:52vh}
  .piece > article:not(.hero){scroll-margin-top:170px}
}
@media (max-width:580px){
  body{font-size:16px}
  .lockup{width:100%}
  .find{flex-basis:auto;flex-grow:1}
  .deck{margin-left:0}
  .deck__list{right:auto;left:0;width:min(88vw,340px)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::before,
  .spark__dot,
  .piece > article:not(.hero){animation:none}
}

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