@import url('https://fonts.googleapis.com/css2?family=Amatic+SC:wght@400;700&family=Cabin:wght@400;500;600;700&display=swap');

:root{
  --ink:#001e3c;
  --ink-2:#002b52;
  --mint:#99ffcc;
  --neon:#00ff41;
  --txt:#dcf7ec;
  --dim:#9fc6ba;
  --line:rgba(153,255,204,.22);
  --card:rgba(0,40,70,.55);
  --r:10px;
  --hand:'Amatic SC','Kaiti SC','KaiTi',Georgia,serif;
  --sans:'Cabin',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}

*{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  overflow-x:clip;
}

body{
  margin:0;
  overflow-x:clip;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--txt);
  background-color:#00162c;
  background-image:
    radial-gradient(rgba(153,255,204,.13) 1px, transparent 1px),
    radial-gradient(ellipse 80% 60% at 10% -8%, rgba(0,255,65,.16), transparent 62%),
    radial-gradient(ellipse 70% 55% at 92% 22%, rgba(153,255,204,.11), transparent 60%);
  background-size:24px 24px, 100% 100%, 100% 100%;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--mint);text-decoration:none}
a:hover{color:var(--neon)}
a:focus-visible,
input:focus-visible,
button:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}

/* ---------- masthead ---------- */
.mast{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(0,22,44,.92),rgba(0,22,44,.55));
}

.mast-in{
  max-width:1180px;
  margin:0 auto;
  padding:12px 20px 8px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-areas:
    "l b r"
    "s s s";
  align-items:center;
  gap:6px 10px;
}

.mn{grid-area:l;min-width:0}
.mn-r{grid-area:r;justify-self:end}
.mn ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:2px;
}
.mn-r ul{justify-content:flex-end}
.mn a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 9px;
  font-size:16px;
  color:var(--txt);
  border-radius:999px;
  transition:background .25s ease,color .25s ease;
}
.mn a:hover{background:rgba(153,255,204,.13);color:var(--neon)}

.ico{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--neon);
  opacity:.65;
  margin-right:7px;
  flex:0 0 auto;
  transition:transform .3s ease,opacity .3s ease;
}
.mn a:hover .ico{transform:scale(1.6);opacity:1}

.brand{
  grid-area:b;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 4px;
  color:#fff;
  justify-self:center;
}
.brand:hover{color:#fff}
.blob{
  width:24px;
  height:24px;
  flex:0 0 auto;
  display:inline-block;
  border-radius:61% 39% 55% 45%/45% 55% 41% 59%;
  background:radial-gradient(circle at 32% 30%, var(--neon), #0bbf74 68%, #078a5b);
  box-shadow:0 0 16px rgba(0,255,65,.55);
  animation:breathe 5.5s ease-in-out infinite;
}
.brand-t{
  font-family:var(--hand);
  font-size:30px;
  font-weight:700;
  letter-spacing:.05em;
  line-height:1;
  white-space:nowrap;
}

.find{
  grid-area:s;
  justify-self:center;
  display:flex;
  align-items:center;
  gap:4px;
  width:min(420px,100%);
  padding:4px 6px 4px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(0,38,68,.6);
}
.find-l{font-size:14px;color:var(--dim);flex:0 0 auto}
.find-i{
  flex:1 1 auto;
  min-width:0;
  min-height:38px;
  padding:4px 2px;
  border:0;
  background:transparent;
  color:var(--txt);
  font-family:inherit;
  font-size:16px;
}
.find-i::placeholder{color:rgba(159,198,186,.75)}
.find-b{
  flex:0 0 auto;
  min-height:40px;
  min-width:46px;
  padding:0 10px;
  border:0;
  border-radius:999px;
  background:var(--neon);
  color:#00281a;
  font-family:inherit;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:filter .2s ease;
}
.find-b:hover{filter:brightness(1.15)}

/* ---------- sticky ribbon ---------- */
.ribbon{
  position:sticky;
  top:0;
  z-index:40;
  border-bottom:1px solid var(--line);
  background:rgba(0,22,44,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.ribbon-in{max-width:1180px;margin:0 auto;overflow-x:auto;overscroll-behavior-x:contain}
.ribbon ol{
  list-style:none;
  margin:0;
  padding:0 8px;
  display:flex;
  align-items:center;
  gap:2px;
  counter-reset:rb;
}
.ribbon li{counter-increment:rb;flex:0 0 auto}
.ribbon a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 11px;
  white-space:nowrap;
  font-size:16px;
  color:var(--dim);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.ribbon a::before{
  content:counter(rb,decimal-leading-zero);
  margin-right:.55em;
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(0,255,65,.75);
}
.ribbon a:hover{color:var(--neon);border-bottom-color:var(--neon)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:70vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:2px solid rgba(0,255,65,.4);
  background-color:#001a33;
  background-image:radial-gradient(rgba(0,255,65,.17) 1px, transparent 1px);
  background-size:20px 20px;
}
.hero::before{
  content:'';
  position:absolute;
  top:-22vw;
  right:-12vw;
  width:70vw;
  height:70vw;
  max-width:900px;
  max-height:900px;
  border-radius:60% 40% 55% 45%/45% 55% 40% 60%;
  background:radial-gradient(circle at 42% 42%, rgba(0,255,65,.34), transparent 62%);
  filter:blur(30px);
  animation:breathe 11s ease-in-out infinite;
}
.hero-pic{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.42;
  filter:saturate(1.1);
}
.hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(0,18,36,.95) 0%, rgba(0,25,46,.52) 58%, rgba(0,16,32,.92) 100%);
}
.hero-copy{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:64px 20px;
}
.hero-h1{
  margin:0 0 16px;
  font-family:var(--hand);
  font-weight:700;
  font-size:clamp(2.6rem,8vw,5rem);
  line-height:1.04;
  letter-spacing:.02em;
  color:#fff;
  text-shadow:0 0 34px rgba(0,255,65,.35);
}
.hero-h1 span{display:inline-block;max-width:16ch}
.hero-d{
  margin:0;
  max-width:54ch;
  font-size:17px;
  color:var(--mint);
}

/* ---------- layout ---------- */
.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:36px 20px 64px;
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:34px;
  align-items:start;
}

.side{
  position:sticky;
  top:64px;
  padding:14px 12px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--card);
}
.side-h{
  margin:2px 0 10px;
  padding-left:8px;
  font-family:var(--hand);
  font-size:27px;
  font-weight:700;
  line-height:1;
  color:var(--mint);
}
.side-h > span{position:relative;display:inline-block}
.side-n ul{list-style:none;margin:0;padding:0}
.side-n a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:2px 8px;
  font-size:16px;
  color:var(--txt);
  border-left:2px solid transparent;
  border-radius:8px;
  transition:background .2s ease,border-color .2s ease;
}
.side-n a:hover{background:rgba(153,255,204,.1);border-left-color:var(--neon)}
.side-n .ico{background:var(--mint);opacity:.4}
.side-n a:hover .ico{background:var(--neon);opacity:1}

.off{display:none}

.col{min-width:0}

/* ---------- section body ---------- */
.doc div{
  position:relative;
  margin:0 0 24px;
  padding:26px 24px 24px;
  border:1px solid var(--line);
  border-bottom:2px solid rgba(0,255,65,.55);
  border-radius:var(--r);
  background:var(--card);
  scroll-margin-top:76px;
  transition:opacity .55s ease,transform .55s ease;
}
.doc div.will{opacity:0;transform:translateY(20px)}
.doc div.in{opacity:1;transform:none}

.doc h2,
.doc h3{
  font-family:var(--hand);
  font-weight:700;
  line-height:1.15;
  color:#fff;
}
.doc h2{
  margin:.15em 0 .7em;
  font-size:clamp(1.9rem,4.4vw,2.6rem);
}
.doc h3{
  margin:1.4em 0 .5em;
  font-size:clamp(1.45rem,3vw,1.8rem);
  color:var(--mint);
}
.doc h2 > span,
.doc h3 > span{position:relative;display:inline-block}
.doc h2 > span::after,
.doc h3 > span::after{
  content:'';
  position:absolute;
  left:0;
  right:0;
  bottom:-7px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--neon),rgba(0,255,65,0));
}

.doc p{margin:0 0 1em}
.doc p:last-child{margin-bottom:0}
.doc a{border-bottom:1px solid rgba(0,255,65,.5)}
.doc ul,.doc ol{padding-left:1.25em;margin:0 0 1em}
.doc li{margin:.25em 0}
.doc strong{color:#fff}
.doc img{max-width:100%;height:auto;margin:.6em 0;border-radius:var(--r);border:1px solid var(--line)}
.doc blockquote{
  margin:1em 0;
  padding:.4em 1em;
  border-left:3px solid var(--neon);
  background:rgba(0,255,65,.06);
  border-radius:0 var(--r) var(--r) 0;
}
.doc table{width:100%;border-collapse:collapse;font-size:16px}
.doc th,.doc td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}

/* ---------- footer ---------- */
.foot{
  padding:30px 20px 38px;
  border-top:1px solid var(--line);
  text-align:center;
  background:rgba(0,18,36,.7);
}
.foot p{margin:0;font-family:var(--hand);font-size:22px;color:var(--mint)}
.foot small{display:block;margin-top:4px;font-size:15px;color:var(--dim);letter-spacing:.06em}

@keyframes breathe{
  0%,100%{transform:scale(1);opacity:.82}
  50%{transform:scale(1.12);opacity:1}
}

/* ---------- narrow ---------- */
@media (max-width:900px){
  .wrap{grid-template-columns:1fr;gap:22px;padding:24px 16px 52px}
  .side{position:static;order:0}
  .side-n ul{display:grid;grid-template-columns:1fr 1fr;gap:2px}
  .doc div{padding:22px 18px 20px}
}

@media (max-width:720px){
  .mast-in{
    grid-template-columns:1fr 1fr;
    grid-template-areas:
      "b b"
      "l r"
      "s s";
    padding:10px 12px 8px;
    gap:4px 6px;
  }
  .brand{justify-self:center;padding:8px 4px}
  .brand-t{font-size:27px}
  .mn ul{flex-direction:column;align-items:flex-start}
  .mn-r ul{align-items:flex-end}
  .mn a{min-height:42px;padding:0 8px;font-size:16px}
  .find{justify-self:stretch;width:100%}
  .hero{min-height:62vh}
  .hero-copy{padding:44px 18px}
  .hero-d{font-size:16px}
  .ribbon a{font-size:15px;padding:0 9px}
  .foot{padding:26px 16px 34px}
}

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

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