:root{
  --ink:#192617;
  --void:#0a120d;
  --neon:#87ff71;
  --cyan:#01cdfe;
  --pink:#ff77d4;
  --txt:#d7f4dc;
  --dim:#8fb49a;
  --r:28px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

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

html{background:#0a120d;scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:transparent;
  color:var(--txt);
  font-family:var(--mono);
  font-size:17px;
  line-height:1.72;
  letter-spacing:.01em;
  overflow-x:hidden;
}

body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(120% 58% at 82% -12%,rgba(1,205,254,.22),transparent 62%),
    radial-gradient(90% 48% at 8% -4%,rgba(255,119,212,.16),transparent 60%),
    radial-gradient(70% 40% at 50% 108%,rgba(135,255,113,.14),transparent 65%),
    repeating-linear-gradient(0deg,rgba(135,255,113,.05) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(1,205,254,.045) 0 1px,transparent 1px 46px),
    linear-gradient(180deg,#0a120d,#0d1a12 42%,#0a120d);
  animation:hue 30s linear infinite;
}

body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.32;
  background:repeating-linear-gradient(180deg,rgba(0,0,0,.5) 0 1px,transparent 1px 3px);
}

@keyframes hue{0%{filter:hue-rotate(0)}50%{filter:hue-rotate(24deg)}100%{filter:hue-rotate(0)}}

img{max-width:100%;height:auto;display:block}
a{color:var(--cyan)}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:8px}

/* ---------- 顶栏 ---------- */
.masthead{position:relative;z-index:5;padding:16px 0 10px;border-bottom:1px solid rgba(135,255,113,.12)}
.masthead-in{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,44px);
}
.brand{
  display:inline-flex;align-items:center;gap:11px;text-decoration:none;
  color:var(--neon);min-height:44px;padding:2px 2px;letter-spacing:.07em;
}
.brand-mark{width:26px;height:26px;filter:drop-shadow(0 0 9px rgba(135,255,113,.7))}
.brand-name{font-size:17px;text-shadow:0 0 14px rgba(135,255,113,.5)}
.top-jump{
  display:inline-flex;align-items:center;min-height:44px;padding:4px 16px;
  font-size:16px;text-decoration:none;color:var(--cyan);
  border:1px solid rgba(1,205,254,.38);border-radius:999px;letter-spacing:.1em;
  transition:.25s;
}
.top-jump:hover{background:rgba(1,205,254,.14);box-shadow:0 0 20px -4px var(--cyan)}

/* ---------- 粘性锚点条 ---------- */
.dock{
  position:sticky;top:0;z-index:30;
  background:linear-gradient(180deg,rgba(10,18,13,.95),rgba(10,18,13,.72));
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(135,255,113,.2);
  box-shadow:0 16px 34px -26px var(--neon);
}
.dock-list{
  display:flex;gap:6px;list-style:none;margin:0 auto;
  max-width:1200px;padding:8px clamp(10px,3vw,32px);
  overflow-x:auto;scrollbar-width:none;
}
.dock-list::-webkit-scrollbar{display:none}
.dock-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:6px 15px;border-radius:999px;
  font-size:16px;white-space:nowrap;text-decoration:none;
  color:#bfe6c6;border:1px solid transparent;transition:.22s;
}
.dock-link svg{opacity:.8}
.dock-link:hover,.dock-link:focus-visible,.dock-link[aria-current]{
  color:#08120b;background:linear-gradient(120deg,var(--neon),var(--cyan));
  border-color:rgba(135,255,113,.9);box-shadow:0 0 24px -4px rgba(135,255,113,.75);
}

/* ---------- 首屏 ---------- */
.hero{
  display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);
  gap:clamp(18px,3vw,40px);align-items:center;
  min-height:45vh;max-width:1200px;margin:0 auto;
  padding:clamp(22px,4vh,44px) clamp(16px,4vw,44px);
}
.hero-art{
  position:relative;overflow:hidden;border-radius:var(--r);
  min-height:210px;aspect-ratio:4/3;
  border:1px solid rgba(135,255,113,.32);
  background:radial-gradient(120% 100% at 50% 100%,rgba(255,119,212,.5),rgba(1,205,254,.26) 46%,rgba(135,255,113,.13));
  box-shadow:inset 0 0 70px rgba(1,205,254,.28),0 0 46px -14px rgba(135,255,113,.45);
}
.sun{
  position:absolute;left:50%;bottom:36%;width:52%;aspect-ratio:1;transform:translateX(-50%);
  border-radius:50%;z-index:0;
  background:linear-gradient(180deg,#ffe58a,var(--pink) 58%,#b967ff);
  box-shadow:0 0 60px 12px rgba(255,119,212,.5);
  animation:sun 9s ease-in-out infinite alternate;
}
@keyframes sun{from{filter:hue-rotate(0) brightness(1)}to{filter:hue-rotate(-26deg) brightness(1.15)}}
.hero-art::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:44%;z-index:2;
  background:
    repeating-linear-gradient(90deg,rgba(135,255,113,.55) 0 1px,transparent 1px 9%),
    repeating-linear-gradient(0deg,rgba(1,205,254,.5) 0 1px,transparent 1px 15%);
  transform:perspective(220px) rotateX(62deg);transform-origin:bottom;opacity:.72;
  pointer-events:none;
}
.hero-art::after{
  content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(10,18,13,.34) 0 2px,transparent 2px 6px);
}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}

.hero-copy{text-align:center}
.hero-copy h1{
  margin:0 0 14px;font-size:clamp(26px,4.6vw,44px);line-height:1.26;
  color:#eafff0;letter-spacing:.02em;
  text-shadow:0 0 14px rgba(135,255,113,.6),0 0 42px rgba(1,205,254,.4);
}
.glitch{position:relative;display:inline-block}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;left:0;top:0;right:0;
  pointer-events:none;
}
.glitch::before{color:var(--cyan);clip-path:inset(0 0 56% 0);opacity:.78;animation:gl 5.5s steps(2) infinite}
.glitch::after{color:var(--pink);clip-path:inset(54% 0 0 0);opacity:.7;animation:gl 4.3s steps(2) infinite reverse}
@keyframes gl{
  0%,88%,100%{transform:translate(2px,-1px)}
  90%{transform:translate(-4px,1px)}
  94%{transform:translate(4px,0)}
}
.hero-desc{
  margin:0 auto 20px;max-width:46ch;color:#b9dcc2;font-size:17px;line-height:1.7;
}
.hero-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:8px 26px;border-radius:999px;
  font-size:16px;text-decoration:none;letter-spacing:.14em;color:#08120b;
  background:linear-gradient(120deg,var(--neon),var(--cyan));
  box-shadow:0 0 30px -8px rgba(135,255,113,.8);transition:.22s;
}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 0 40px -6px var(--cyan)}

/* ---------- 正文骨架 ---------- */
.shell{
  display:grid;grid-template-columns:minmax(0,1fr) 284px;
  gap:clamp(20px,3vw,46px);align-items:start;
  max-width:1200px;margin:0 auto;
  padding:clamp(26px,4vw,50px) clamp(16px,4vw,44px) 64px;
}
.flow{min-width:0}
.flow>section{
  padding:clamp(22px,3vw,38px) 0;
  border-top:1px dashed rgba(135,255,113,.26);
  scroll-margin-top:96px;
}
.flow>section:first-child{border-top:0;padding-top:4px}
.flow small{
  display:block;font-size:16px;letter-spacing:.22em;
  color:var(--cyan);margin-bottom:8px;text-shadow:0 0 12px rgba(1,205,254,.5);
}
.flow h2{
  margin:0 0 14px;font-size:clamp(21px,3vw,29px);line-height:1.32;
  color:var(--neon);text-shadow:0 0 18px rgba(135,255,113,.4);
}
.flow h3{
  margin:26px 0 10px;font-size:clamp(18px,2.2vw,21px);line-height:1.4;
  color:#dcffe3;
}
.flow h3::before{content:"";display:inline-block;width:9px;height:9px;margin-right:10px;vertical-align:middle;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.flow p{margin:0 0 14px;color:var(--txt)}
.flow ul,.flow ol{margin:0 0 16px;padding-left:22px}
.flow li{margin:0 0 8px}
.flow ul{list-style:none;padding-left:0}
.flow ul>li{padding-left:22px;position:relative}
.flow ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:9px;height:9px;border-radius:2px;background:linear-gradient(135deg,var(--neon),var(--cyan));transform:rotate(45deg)}
.flow a{color:var(--cyan);text-decoration-color:rgba(1,205,254,.45);text-underline-offset:3px}
.flow a:hover{color:var(--neon);text-decoration-color:var(--neon)}
.flow strong{color:#eafff0}
.flow blockquote{
  margin:0 0 16px;padding:14px 20px;border-radius:18px;
  border-left:3px solid var(--neon);
  background:linear-gradient(120deg,rgba(135,255,113,.09),rgba(1,205,254,.07));
  color:#c9eed2;
}
.flow code{
  font-family:var(--mono);font-size:16px;padding:2px 7px;border-radius:8px;
  background:rgba(1,205,254,.14);color:#dcf8ff;
}
.flow pre{
  overflow-x:auto;padding:16px 18px;border-radius:18px;
  border:1px solid rgba(1,205,254,.3);background:rgba(10,18,13,.75);
}
.flow pre code{background:none;padding:0}
.flow img{border-radius:22px;border:1px solid rgba(135,255,113,.3);margin:0 0 16px}
.flow table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:16px}
.flow th,.flow td{padding:10px 12px;border-bottom:1px solid rgba(135,255,113,.22);text-align:left}
.flow th{color:var(--neon)}

/* ---------- 侧栏 ---------- */
.rail{
  position:sticky;top:92px;
  padding:20px 18px;border-radius:var(--r);
  border:1px solid rgba(135,255,113,.3);
  background:linear-gradient(160deg,rgba(135,255,113,.1),rgba(1,205,254,.08));
  backdrop-filter:blur(12px);
  box-shadow:0 0 46px -22px var(--cyan),inset 0 0 40px -22px var(--neon);
}
.rail-kicker{display:block;font-size:16px;letter-spacing:.22em;color:var(--cyan);margin-bottom:6px}
.rail-title{margin:0 0 12px;font-size:19px;color:var(--neon);text-shadow:0 0 14px rgba(135,255,113,.5)}
.rail-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;counter-reset:rail}
.rail-list a{
  display:flex;align-items:center;min-height:42px;padding:4px 10px;
  font-size:16px;text-decoration:none;color:#bfe6c6;border-radius:12px;
  border-left:2px solid rgba(1,205,254,.35);transition:.2s;
}
.rail-list a:hover,.rail-list a:focus-visible{
  color:#eafff0;background:rgba(1,205,254,.14);border-left-color:var(--neon);
}

/* ---------- 页脚 ---------- */
.base{
  margin-top:12px;border-top:1px solid rgba(135,255,113,.28);
  background:linear-gradient(180deg,rgba(1,205,254,.09),transparent 62%);
}
.base-in{max-width:1200px;margin:0 auto;padding:clamp(26px,5vw,52px) clamp(16px,4vw,44px) 24px}
.cta{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  padding:22px 26px;border-radius:var(--r);
  border:1px solid rgba(135,255,113,.38);
  background:linear-gradient(120deg,rgba(135,255,113,.14),rgba(1,205,254,.14));
  box-shadow:0 0 60px -26px var(--neon);
}
.cta-brand{margin:0;font-size:clamp(20px,3.4vw,30px);color:#eafff0;text-shadow:0 0 18px rgba(135,255,113,.65)}
.cta-btn{
  display:inline-flex;align-items:center;min-height:46px;padding:8px 26px;
  border-radius:999px;font-size:16px;text-decoration:none;letter-spacing:.14em;
  color:#08120b;background:linear-gradient(120deg,var(--neon),var(--cyan));
  box-shadow:0 0 26px -8px rgba(135,255,113,.8);
}
.cta-btn:hover{transform:translateY(-2px)}
.cols{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:26px;margin-top:34px}
.col-addr{font-style:normal;display:grid;gap:6px;align-content:start}
.addr-brand{color:#eafff0;font-size:17px;letter-spacing:.08em}
.addr-host{color:var(--dim);font-size:16px;word-break:break-all}
.col-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.col-list a{
  display:flex;align-items:center;min-height:42px;padding:4px 0;
  font-size:16px;text-decoration:none;color:#bfe6c6;
}
.col-list a:hover{color:var(--neon);text-shadow:0 0 12px rgba(135,255,113,.6)}
.base-bottom{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  margin-top:26px;padding-top:16px;border-top:1px dashed rgba(135,255,113,.22);
}
.copy{margin:0;color:var(--dim);font-size:16px}
.to-top{
  display:inline-flex;align-items:center;min-height:42px;padding:4px 16px;
  font-size:16px;text-decoration:none;color:var(--cyan);
  border:1px solid rgba(1,205,254,.35);border-radius:999px;
}
.to-top:hover{background:rgba(1,205,254,.14)}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 移动端 ---------- */
@media (max-width:880px){
  .hero{grid-template-columns:1fr;min-height:0;padding-top:18px;gap:16px}
  .hero-copy{order:1}
  .hero-art{order:2;aspect-ratio:16/10;min-height:170px}
  .shell{grid-template-columns:1fr;gap:24px}
  .rail{position:static;order:2}
  .cols{grid-template-columns:1fr 1fr;gap:18px}
  .col-addr{grid-column:1/-1}
  .flow>section{scroll-margin-top:82px}
}

@media (max-width:520px){
  body{font-size:16.5px}
  .brand-name{font-size:16px}
  .cta{padding:18px 20px}
  .cta-btn,.hero-cta{width:100%;justify-content:center}
}

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

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