*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html.is-nav-open{overflow:hidden}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}

:root{
  --ink-900:#061512;
  --ink-800:#0C241F;
  --ink-700:#123329;
  --line:#1E4A3D;
  --cyan:#22E3C4;
  --cyan-soft:#7CF7E3;
  --red:#E23B3B;
  --gold:#E8B24C;
  --text:#E9F3F0;
  --muted:#9FB8B2;
  --rail-w:88px;
  --shell-max:1240px;
  --gutter:clamp(20px,5vw,96px);
  --notch:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
  --notch-sm:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,0 100%);
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.22,.8,.24,1);
}

body{
  padding-left:var(--rail-w);
  overflow-x:hidden;
  min-height:100vh;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  background:
    radial-gradient(1100px 560px at 82% -8%,rgba(34,227,196,.10),transparent 60%),
    radial-gradient(880px 520px at 4% 18%,rgba(232,178,76,.05),transparent 62%),
    var(--ink-900);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{font-weight:900;line-height:1.06;letter-spacing:-.01em}
h1{font-size:clamp(38px,6.4vw,92px)}
h2{font-size:clamp(26px,3.6vw,46px)}
h3{font-size:clamp(19px,1.7vw,24px);line-height:1.28;font-weight:800}
strong{color:var(--cyan-soft);font-weight:700}

a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--cyan-soft)}

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

.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 14px);z-index:120;
  padding:12px 18px;border-radius:2px;
  background:var(--cyan);color:#03130F;font-size:14px;font-weight:800;letter-spacing:.06em;
  transform:translateY(-180%);transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#03130F}

/* ---------- layout ---------- */
.shell{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.shell--wide{max-width:1560px}
.section{padding-block:clamp(44px,7vw,104px)}
.section--tight{padding-block:clamp(26px,3.5vw,54px)}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:clamp(22px,3vw,44px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan)}
.lede{color:var(--muted);font-size:17px;max-width:62ch}
.mono{font-family:var(--font-mono);letter-spacing:.05em}
.rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,rgba(34,227,196,.55),rgba(30,74,61,.65) 46%,transparent)}

.grid{display:grid;gap:clamp(16px,2vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}

.prose p{margin-bottom:1.05em;max-width:72ch}
.prose p:last-child{margin-bottom:0}
.prose h2,.prose h3{margin:1.3em 0 .5em}
.prose li{position:relative;padding-left:20px;margin-bottom:.5em;color:var(--muted);max-width:70ch}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:1px;background:var(--cyan)}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:18px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li::after{content:"/";color:var(--line)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--cyan)}

/* ---------- buttons ---------- */
.btn{
  position:relative;isolation:isolate;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border:0;cursor:pointer;
  font-size:15px;font-weight:800;letter-spacing:.06em;text-decoration:none;color:var(--text);
  transition:color .24s var(--ease),transform .24s var(--ease);
}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink-800);border:1px solid var(--line);clip-path:var(--notch-sm);transition:background .24s var(--ease),border-color .24s var(--ease)}
.btn:hover{color:var(--text);transform:translateY(-2px)}
.btn:hover::before{background:var(--ink-700);border-color:rgba(124,247,227,.5)}
.btn--primary{color:#03130F}
.btn--primary::before{background:var(--cyan);border-color:var(--cyan)}
.btn--primary:hover{color:#03130F}
.btn--primary:hover::before{background:var(--cyan-soft)}
.btn--ghost{color:var(--cyan-soft)}
.btn--ghost::before{background:transparent;border-color:rgba(124,247,227,.42)}

/* ---------- panels / tags / stats ---------- */
.panel{position:relative;isolation:isolate;padding:clamp(20px,2.6vw,32px)}
.panel::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink-800);border:1px solid var(--line);clip-path:var(--notch);transition:background .32s var(--ease),border-color .32s var(--ease)}
.panel--flat::before{background:rgba(12,36,31,.58)}
.panel--swap{transition:transform .32s var(--ease)}
.panel--swap:hover{transform:translateY(-3px)}
.panel--swap:hover::before{background:var(--ink-700);border-color:rgba(124,247,227,.45)}

.tag{position:relative;isolation:isolate;display:inline-block;padding:5px 12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-soft)}
.tag::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(34,227,196,.12);border:1px solid rgba(124,247,227,.34);clip-path:var(--notch-sm)}
.tag--live{color:#FFD9D9}
.tag--live::before{background:rgba(226,59,59,.16);border-color:rgba(226,59,59,.5)}
.tag--gold{color:#FFE9C2}
.tag--gold::before{background:rgba(232,178,76,.14);border-color:rgba(232,178,76,.45)}

.stat{display:flex;flex-direction:column;gap:2px}
.stat__num{font-family:var(--font-mono);font-size:clamp(22px,2.4vw,34px);font-weight:700;line-height:1.1;color:var(--cyan)}
.stat__label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.score{font-family:var(--font-mono);font-size:clamp(24px,3vw,40px);letter-spacing:.05em;color:var(--gold)}

/* ---------- media frames ---------- */
.media-frame{
  position:relative;isolation:isolate;display:block;overflow:hidden;
  aspect-ratio:16/9;
  background:
    repeating-linear-gradient(115deg,rgba(30,74,61,.5) 0 1px,transparent 1px 26px),
    linear-gradient(135deg,#0C241F,#061512 55%,#123329);
}
.media-frame img,.media-frame video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.media-frame::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(6,21,18,0) 42%,rgba(6,21,18,.88))}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame__tag{position:absolute;top:12px;left:12px;z-index:2;padding:4px 10px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#FFD9D9;background:rgba(226,59,59,.22);border:1px solid rgba(226,59,59,.55)}
.media-frame__stamp{position:absolute;right:12px;bottom:12px;z-index:2;padding:4px 9px;font-family:var(--font-mono);font-size:12px;color:var(--cyan-soft);background:rgba(6,21,18,.74);border:1px solid var(--line)}
.media-frame__caption{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;font-size:15px;font-weight:700;line-height:1.35;color:var(--text)}

/* ---------- disclosure ---------- */
.disclosure{border-bottom:1px solid var(--line)}
.disclosure__btn{display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px;text-align:left;font-size:17px;font-weight:700;color:var(--text);cursor:pointer;transition:color .24s var(--ease)}
.disclosure__btn:hover{color:var(--cyan)}
.disclosure__sign{flex:none;display:grid;place-items:center;width:26px;height:26px;border:1px solid var(--line);font-family:var(--font-mono);color:var(--cyan);transition:transform .24s var(--ease),background .24s var(--ease)}
.disclosure__btn[aria-expanded="true"] .disclosure__sign{transform:rotate(45deg);background:rgba(34,227,196,.14)}
.disclosure__panel{padding:0 4px 22px;color:var(--muted)}
.disclosure__panel[hidden]{display:none}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
[data-reveal="2"]{transition-delay:.07s}
[data-reveal="3"]{transition-delay:.14s}
[data-reveal="4"]{transition-delay:.21s}
[data-reveal="5"]{transition-delay:.28s}

/* ================= HEADER : night-pitch rail ================= */
.progress{
  position:fixed;top:0;left:var(--rail-w);right:0;height:3px;z-index:66;
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
  background:linear-gradient(90deg,var(--cyan),var(--gold) 68%,var(--red));
  transition:opacity .24s var(--ease);
}
html.is-nav-open .progress{opacity:0}

.rail{position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:70}
.rail__panel{
  position:relative;display:flex;flex-direction:column;
  height:100%;padding:18px 0 18px;
  background:linear-gradient(180deg,#0C241F 0%,#081B16 46%,#061512 100%);
  border-right:1px solid var(--line);
}
.rail__panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan) 0 34%,var(--red) 34% 52%,var(--gold) 52% 64%,var(--line) 64% 100%);
}

.rail__brand{display:flex;flex-direction:column;align-items:center;gap:12px;padding:6px 0 16px;text-decoration:none;color:var(--text)}
.rail__brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--cyan);color:#03130F;font-family:var(--font-mono);font-size:18px;font-weight:700;clip-path:var(--notch)}
.rail__brand-name{writing-mode:vertical-rl;font-size:13px;font-weight:800;letter-spacing:.32em;color:var(--text)}

.rail__nav{flex:1 1 auto;padding:4px 0;min-height:0}
.rail__list{display:flex;flex-direction:column;align-items:center;gap:2px}
.rail__item{display:block;width:100%}
.rail__link{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;
  width:100%;padding:11px 0;text-decoration:none;color:var(--muted);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.rail__link::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;background:var(--cyan);transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease)}
.rail__idx{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:rgba(159,184,178,.55)}
.rail__label{writing-mode:vertical-rl;font-size:12.5px;font-weight:600;letter-spacing:.2em;line-height:1}
.rail__link:hover{color:var(--text);background:rgba(34,227,196,.06)}
.rail__link:hover::before{transform:scaleY(1)}
.rail__link[aria-current="page"]{color:var(--cyan);background:linear-gradient(90deg,rgba(34,227,196,.14),rgba(34,227,196,0))}
.rail__link[aria-current="page"]::before{transform:scaleY(1)}
.rail__link[aria-current="page"] .rail__idx{color:var(--cyan-soft)}

.rail__quick{display:none}

.rail__foot{display:flex;flex-direction:column;align-items:center;gap:14px;margin:0 14px;padding-top:14px;border-top:1px solid var(--line)}
.rail__status{display:flex;flex-direction:column;align-items:center;gap:9px}
.rail__dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(226,59,59,.16)}
.rail__status-text{writing-mode:vertical-rl;font-size:10.5px;letter-spacing:.24em;color:var(--muted);line-height:1}
.rail__top{
  width:38px;height:38px;display:grid;place-items:center;border-radius:2px;
  border:1px solid var(--line);background:var(--ink-800);color:var(--cyan);
  font-family:var(--font-mono);font-size:12.5px;cursor:pointer;
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.rail__top[data-visible="true"]{opacity:1;visibility:visible}
.rail__top:hover{border-color:rgba(124,247,227,.6);background:var(--ink-700)}

.rail__toggle{display:none}
.rail__toggle-bars{position:relative;display:block;width:20px;height:12px}
.rail__toggle-bars::before,.rail__toggle-bars::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--cyan);transition:transform .24s var(--ease)}
.rail__toggle-bars::before{top:0}
.rail__toggle-bars::after{bottom:0}

.rail__scrim{display:none}

/* ================= FOOTER ================= */
.site-foot{
  position:relative;margin-top:clamp(60px,9vw,120px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,36,31,.78),rgba(6,21,18,.98) 62%);
}
.site-foot::before{content:"";position:absolute;top:-1px;left:0;width:min(520px,62%);height:2px;background:linear-gradient(90deg,var(--cyan),rgba(34,227,196,0))}
.site-foot::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(30,74,61,.9),transparent)}

.foot__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);gap:clamp(28px,4vw,64px);padding-block:clamp(40px,5vw,74px)}
.foot__brand{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.foot__logo{display:inline-flex;align-items:center;gap:12px;font-size:26px;font-weight:900;letter-spacing:.06em;color:var(--text);text-decoration:none}
.foot__logo:hover{color:var(--cyan)}
.foot__mark{display:grid;place-items:center;width:34px;height:34px;background:var(--cyan);color:#03130F;font-family:var(--font-mono);font-size:15px;font-weight:700;clip-path:var(--notch-sm)}
.foot__tagline{font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.foot__meta{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}
.foot__dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(226,59,59,.15)}

.foot__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:clamp(20px,3vw,40px)}
.foot__col{min-width:0}
.foot__title{margin-bottom:14px;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.foot__list{display:flex;flex-direction:column;gap:10px}
.foot__link{display:inline-block;font-size:15px;color:var(--text);text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease)}
.foot__link:hover{color:var(--cyan);transform:translateX(3px)}
.foot__contact-item{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.foot__contact-value{font-family:var(--font-mono);font-size:13.5px;letter-spacing:.02em;color:var(--text);word-break:break-all}
.foot__addr{font-size:14px;line-height:1.65;color:var(--muted)}
.foot__note{margin-top:14px;max-width:46ch;font-size:13px;line-height:1.7;color:var(--muted)}

.copy{
  flex:none;padding:4px 9px;cursor:pointer;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(34,227,196,.1);border:1px solid rgba(124,247,227,.32);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.copy:hover{background:rgba(34,227,196,.2)}
.copy[data-copied="true"]{color:#03130F;background:var(--cyan);border-color:var(--cyan)}

.foot__base{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding-block:20px 26px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.foot__legal{display:flex;flex-wrap:wrap;gap:16px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em}
.foot__legal a{color:var(--muted);text-decoration:none}
.foot__legal a:hover{color:var(--cyan)}
.foot__copy{margin:0}

/* ================= RESPONSIVE ================= */
@media (max-width:1200px){
  :root{--rail-w:74px;--gutter:clamp(20px,4vw,56px)}
  .rail__brand-name{font-size:12px}
  .rail__label{font-size:11.5px;letter-spacing:.16em}
}

@media (max-width:1024px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--split{grid-template-columns:minmax(0,1fr)}
  .foot__inner{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:900px){
  body{padding-left:0;padding-top:70px;background-attachment:scroll}
  .skip-link{left:14px}
  .progress{left:0;z-index:1}

  .rail{inset:0;width:100%;bottom:0;pointer-events:none}
  .rail__panel{
    position:fixed;top:0;left:0;bottom:0;width:min(86vw,342px);
    padding:0 0 8px;z-index:2;pointer-events:auto;overflow-y:auto;
    border-right:1px solid var(--line);
    box-shadow:24px 0 52px rgba(0,0,0,.55);
    transform:translateX(-103%);
    transition:transform .26s var(--ease);
  }
  .rail[data-open] .rail__panel{transform:none}
  .rail__scrim{
    display:block;position:fixed;inset:0;z-index:1;
    background:rgba(4,15,12,.74);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .24s var(--ease),visibility .24s var(--ease);
  }
  .rail[data-open] .rail__scrim{opacity:1;visibility:visible;pointer-events:auto}

  .rail__toggle{
    display:inline-flex;position:fixed;top:14px;left:14px;z-index:5;
    align-items:center;gap:10px;min-height:46px;padding:11px 16px;cursor:pointer;
    background:rgba(12,36,31,.94);border:1px solid var(--line);color:var(--text);
    font-size:13px;font-weight:700;letter-spacing:.14em;pointer-events:auto;
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    transition:border-color .24s var(--ease),background .24s var(--ease);
  }
  .rail__toggle:hover{border-color:rgba(124,247,227,.5)}
  .rail[data-open] .rail__toggle-bars::before{transform:translateY(5px) rotate(45deg)}
  .rail[data-open] .rail__toggle-bars::after{transform:translateY(-5px) rotate(-45deg)}

  .rail__brand{flex-direction:row;align-items:center;gap:12px;padding:78px 22px 18px;border-bottom:1px solid var(--line)}
  .rail__brand-name{writing-mode:horizontal-tb;font-size:15px;letter-spacing:.2em}

  .rail__nav{flex:0 0 auto;padding:12px 12px 4px}
  .rail__list{align-items:stretch;gap:2px}
  .rail__link{flex-direction:row;justify-content:flex-start;gap:14px;padding:15px 12px}
  .rail__link::after{content:"→";margin-left:auto;font-family:var(--font-mono);font-size:13px;color:var(--line)}
  .rail__label{writing-mode:horizontal-tb;font-size:15px;letter-spacing:.06em}
  .rail__idx{font-size:11px}

  .rail__quick{display:block;padding:18px 22px 6px;border-top:1px solid var(--line)}
  .rail__quick-title{margin-bottom:10px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
  .rail__quick-list{display:flex;flex-direction:column;gap:8px}
  .rail__quick-link{display:inline-block;font-size:14px;color:var(--muted);text-decoration:none}
  .rail__quick-link:hover{color:var(--cyan)}

  .rail__foot{flex-direction:row;align-items:center;justify-content:space-between;margin:0;padding:16px 22px 18px;border-top:1px solid var(--line)}
  .rail__status{flex-direction:row;gap:10px}
  .rail__status-text{writing-mode:horizontal-tb;letter-spacing:.14em}
  .rail__top{display:none}
}

@media (max-width:680px){
  body{font-size:16px}
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .foot__cols{grid-template-columns:minmax(0,1fr)}
  .foot__base{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  .btn:hover,.panel--swap:hover,.foot__link:hover{transform:none}
}