:root{
  --ink-900:#071A2B;
  --ink-800:#0E2740;
  --coral:#FF6B4A;
  --cyan:#2FE0D0;
  --amber:#F5C451;
  --steel:#6B86A6;
  --paper:#EAF1F7;
  --mist:#94A7BA;
  --green:#4FD18B;
  --hair:#1E3A55;

  --rail-w:96px;
  --header-h:72px;
  --gutter:40px;
  --maxw:1440px;

  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-display:"PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --fs-12:0.75rem;
  --fs-14:0.875rem;
  --fs-16:1rem;
  --fs-18:1.125rem;
  --fs-24:1.5rem;
  --fs-36:2.25rem;
  --fs-64:4rem;
  --fs-120:7.5rem;

  --ease:160ms cubic-bezier(.2,.6,.3,1);
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  min-height:100vh;
  padding-left:var(--rail-w);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:var(--fs-16);
  line-height:1.75;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(to right,rgba(30,58,85,.26) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,58,85,.26) 1px,transparent 1px),
    radial-gradient(1100px 560px at 82% -8%,rgba(47,224,208,.09),transparent 62%),
    radial-gradient(820px 520px at 4% 104%,rgba(255,107,74,.08),transparent 64%);
  background-size:96px 96px,96px 96px,auto,auto;
  background-repeat:repeat,repeat,no-repeat,no-repeat;
  background-position:0 0,0 0,center,center;
  background-attachment:fixed,fixed,fixed,fixed;
}

h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
input,select,textarea{font:inherit}
::selection{background:var(--coral);color:#04121C}

h1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(2.4rem,5.2vw,4rem);
  line-height:1.06;
  letter-spacing:-.03em;
}
h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.6rem,2.6vw,var(--fs-36));
  line-height:1.15;
  letter-spacing:-.02em;
}
h3{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.25rem;
  line-height:1.3;
  letter-spacing:-.01em;
}

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

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  left:12px;
  top:12px;
  z-index:200;
  transform:translateY(-180%);
  padding:10px 18px;
  background:var(--cyan);
  color:#04121C;
  font-size:var(--fs-14);
  font-weight:700;
  border:1px solid #04121C;
  transition:transform var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(7,26,43,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--hair);
}
.header-bar{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:var(--header-h);
  padding:10px var(--gutter) 10px 18px;
}

.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  position:relative;
  flex:none;
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  border:1px solid rgba(255,107,74,.7);
  color:var(--coral);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  background:linear-gradient(160deg,rgba(255,107,74,.2),transparent 72%);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:4px;
  border:1px solid rgba(255,107,74,.3);
  pointer-events:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:var(--fs-16);
  letter-spacing:-.01em;
  color:var(--paper);
}
.brand-sub{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--steel);
}

.primary-nav{display:flex;align-items:center;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 12px;
  font-size:var(--fs-14);
  color:var(--mist);
  border:1px solid transparent;
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.nav-link:hover{color:var(--paper);border-color:var(--hair);background:rgba(14,39,64,.75)}
.nav-link[aria-current="page"]{
  color:var(--paper);
  background:rgba(14,39,64,.9);
  border-color:var(--hair);
}
.nav-link[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:2px;
  background:var(--coral);
}

.header-actions{display:flex;align-items:center;gap:8px;flex:none}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border:1px solid var(--hair);
  background:rgba(14,39,64,.72);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--coral);color:var(--coral)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:14px}
.nav-toggle-bars span{display:block;height:1px;background:currentColor;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-4px) rotate(-45deg)}
.nav-toggle-text{white-space:nowrap}

/* ---------- left round rail ---------- */
.rail{
  position:fixed;
  left:0;
  top:var(--header-h);
  bottom:0;
  z-index:40;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:26px 0 22px;
  border-right:1px solid var(--hair);
  background:linear-gradient(180deg,rgba(14,39,64,.88),rgba(7,26,43,.97));
}
.rail-label{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.36em;
  color:var(--steel);
}
.rail-track{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  flex:1;
  width:100%;
  overflow:hidden;
}
.rail-tick{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--steel);
}
.rail-tick::before{content:"";width:8px;height:1px;background:currentColor}
.rail-tick--next{color:var(--amber)}
.rail-tick--current{color:var(--coral);font-weight:600}
.rail-tick--current::before{width:20px;height:2px}
.rail-progress{
  position:absolute;
  right:0;
  top:0;
  width:2px;
  height:100%;
  background:rgba(30,58,85,.8);
}
.rail-progress-fill{
  display:block;
  width:100%;
  height:0;
  background:linear-gradient(180deg,var(--cyan),var(--coral));
}

/* ---------- scroll progress ---------- */
.header-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  z-index:2;
  pointer-events:none;
}
.header-progress-fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--coral));
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 16px;
  font-size:13px;
  line-height:1.3;
  white-space:nowrap;
  color:var(--paper);
  border:1px solid var(--hair);
  background:rgba(14,39,64,.62);
  transition:border-color var(--ease),transform var(--ease),background-color var(--ease),color var(--ease);
}
.btn:hover{border-color:var(--coral);transform:translateY(-2px)}
.btn--accent{
  background:var(--coral);
  border-color:var(--coral);
  color:#08151F;
  font-weight:700;
}
.btn--accent:hover{background:#FF8064;border-color:#FF8064;color:#08151F}
.btn--ghost{color:var(--paper);background:transparent}
.btn--ghost:hover{background:rgba(255,107,74,.12);color:var(--coral)}
.btn--quiet{
  border-color:transparent;
  background:transparent;
  color:var(--mist);
  padding:6px 8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.btn--quiet:hover{color:var(--cyan);transform:none}
.btn--small{padding:6px 12px;font-size:12px}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:56px}
.section-head{display:grid;gap:10px;margin-bottom:28px;max-width:64ch}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}
.lede{font-size:var(--fs-18);line-height:1.75;color:var(--mist);max-width:56ch}
.rule{height:1px;background:var(--hair);border:0;margin:0}
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  white-space:nowrap;
  color:var(--mist);
  border:1px solid var(--hair);
  background:rgba(14,39,64,.6);
}
.tag--round{color:var(--amber);border-color:rgba(245,196,81,.42);background:rgba(245,196,81,.1)}
.tag--live{color:var(--coral);border-color:rgba(255,107,74,.45);background:rgba(255,107,74,.12)}
.tag--film{color:var(--cyan);border-color:rgba(47,224,208,.42);background:rgba(47,224,208,.1)}
.tag--legacy{color:var(--steel);border-color:rgba(107,134,166,.42);background:rgba(107,134,166,.12)}

.status-dot{
  display:inline-block;
  flex:none;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(79,209,139,.16);
}

/* ---------- cards ---------- */
.card{
  position:relative;
  padding:22px;
  background:rgba(14,39,64,.66);
  border:1px solid var(--hair);
  transition:border-color var(--ease),transform var(--ease),background-color var(--ease),box-shadow var(--ease);
}
.card:hover,.card:focus-within{
  border-color:rgba(255,107,74,.75);
  transform:translateY(-2px);
  box-shadow:0 18px 38px -26px #000;
}
.card--panel{background:rgba(14,39,64,.88)}
.card--legacy{border-color:rgba(107,134,166,.35);background:rgba(107,134,166,.08)}
.card--legacy:hover,.card--legacy:focus-within{border-color:rgba(107,134,166,.85)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.card-title{font-family:var(--font-display);font-weight:800;font-size:var(--fs-18);letter-spacing:-.01em}
.card-body{font-size:var(--fs-14);line-height:1.7;color:var(--mist)}

/* ---------- stats ---------- */
.stat{display:flex;flex-direction:column;gap:4px}
.stat-value{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:var(--fs-64);
  line-height:1;
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  color:var(--paper);
}
.stat-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--steel);
}
.stat--accent .stat-value{color:var(--coral)}
.stat--cyan .stat-value{color:var(--cyan)}

/* ---------- table ---------- */
.data-table{
  width:100%;
  font-size:var(--fs-14);
  line-height:1.5;
  border:1px solid var(--hair);
  background:rgba(14,39,64,.5);
}
.data-table th,.data-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--hair)}
.data-table th{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--steel);
  background:rgba(7,26,43,.62);
}
.data-table tbody tr{transition:background-color var(--ease)}
.data-table tbody tr:hover{background:rgba(47,224,208,.06)}
.data-table tbody tr.is-active{
  background:rgba(255,107,74,.12);
  box-shadow:inset 2px 0 0 var(--coral);
}
.data-table td.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  text-align:right;
}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:block}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--steel);
}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:var(--hair)}
.breadcrumb-link{color:var(--mist);border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease)}
.breadcrumb-link:hover{color:var(--paper);border-bottom-color:var(--coral)}
.breadcrumb-current{color:var(--paper)}

/* ---------- media ---------- */
.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--hair);
  background:var(--ink-800);
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.85) brightness(.9);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(7,26,43,.1),rgba(7,26,43,.62));
}
.media--wide{aspect-ratio:16/9}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media-frame{padding:6px;border:1px solid rgba(255,107,74,.55);background:rgba(255,107,74,.06)}
.media-caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.6;
  letter-spacing:.06em;
  color:var(--steel);
}
.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}

/* ---------- chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  font-size:13px;
  color:var(--mist);
  border:1px solid var(--hair);
  background:rgba(14,39,64,.6);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.chip:hover{color:var(--paper);border-color:rgba(255,107,74,.6)}
.chip[aria-pressed="true"]{
  color:#04121C;
  font-weight:700;
  background:var(--cyan);
  border-color:var(--cyan);
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:96px;
  padding:56px var(--gutter) 26px;
  border-top:1px solid var(--hair);
  background:
    radial-gradient(900px 400px at 88% 0%,rgba(47,224,208,.08),transparent 70%),
    linear-gradient(180deg,#0A1D2E,#061420 58%,#04101A);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,107,74,.75),transparent);
}
.footer-grid{
  max-width:var(--maxw);
  margin-inline:auto;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,.7fr));
  gap:40px 32px;
  align-items:start;
}
.footer-brand{display:flex;flex-direction:column;gap:16px;max-width:430px}
.footer-logo{
  display:inline-flex;
  flex-direction:column;
  gap:6px;
  align-items:flex-start;
  font-family:var(--font-display);
  font-weight:800;
  font-size:var(--fs-36);
  line-height:1.05;
  letter-spacing:-.02em;
  color:var(--paper);
}
.footer-logo-sub{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.22em;
  color:var(--steel);
}
.footer-note{font-size:var(--fs-14);line-height:1.8;color:var(--mist);max-width:34ch}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--steel);
}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.footer-contact-item{
  display:flex;
  gap:10px;
  font-size:13px;
  line-height:1.6;
  color:var(--paper);
}
.footer-contact-label{
  flex:none;
  width:66px;
  padding-top:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--steel);
}
.footer-col{display:flex;flex-direction:column;gap:14px}
.footer-col-title{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:11px;
  line-height:1.4;
  letter-spacing:.22em;
  color:var(--coral);
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link{
  display:inline-block;
  width:fit-content;
  font-size:var(--fs-14);
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.footer-link:hover{color:var(--paper);border-bottom-color:var(--coral)}
.footer-bottom{
  max-width:var(--maxw);
  margin:44px auto 0;
  padding-top:20px;
  border-top:1px solid var(--hair);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 28px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--steel);
}
.footer-legal{color:var(--mist)}
.footer-hint{color:var(--steel)}
.footer-meta{margin-left:auto;color:var(--steel)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .header-bar{gap:14px;padding-right:24px}
  .nav-link{padding:9px 9px;font-size:13px}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:960px){
  :root{--rail-w:76px;--gutter:24px}

  .primary-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    z-index:60;
    display:none;
    padding:12px 16px 20px;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    background:rgba(7,26,43,.98);
    border-top:1px solid var(--hair);
    border-bottom:1px solid var(--hair);
    box-shadow:0 24px 48px rgba(0,0,0,.55);
  }
  .primary-nav[data-open="true"]{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{padding:14px 12px;font-size:15px;border-bottom:1px solid var(--hair)}
  .nav-link[aria-current="page"]{border-left:2px solid var(--coral)}
  .nav-link[aria-current="page"]::before{display:none}

  .nav-toggle{display:inline-flex}
  .header-actions .btn--ghost{display:none}

  .rail{gap:12px;padding:20px 0 18px}
  .rail-label{letter-spacing:.28em}

  .grid--2,.grid--3,.media-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-brand{grid-column:1 / -1;max-width:none}
}

@media (max-width:720px){
  :root{--gutter:20px}

  body{
    padding-left:0;
    background-attachment:scroll,scroll,scroll,scroll;
  }

  .header-bar{padding:10px 16px;gap:10px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .brand-mark{width:32px;height:32px;font-size:11px}
  .btn--accent{padding:9px 12px;font-size:12px}

  .rail{
    position:static;
    width:100%;
    flex-direction:row;
    align-items:center;
    gap:14px;
    padding:0 16px;
    border-right:0;
    border-bottom:1px solid var(--hair);
    overflow-x:auto;
    overflow-y:hidden;
  }
  .rail-label{writing-mode:horizontal-tb;letter-spacing:.2em;flex:none}
  .rail-track{
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:18px;
    flex:1;
    padding-block:10px;
    overflow:visible;
  }
  .rail-tick{flex:none}
  .rail-progress{display:none}

  .section{padding-block:40px}
  .stat-value{font-size:var(--fs-36)}
  .data-table{display:block;overflow-x:auto;white-space:nowrap}

  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer{margin-top:64px;padding:44px 20px 24px}
  .footer-bottom{margin-top:32px;flex-direction:column;align-items:flex-start;gap:8px}
  .footer-meta{margin-left:0}
}

@media (max-width:480px){
  .nav-toggle-text{display:none}
  .nav-toggle{padding:9px 10px}
  .footer-logo{font-size:var(--fs-24)}
  .footer-contact-item{flex-direction:column;gap:2px}
  .footer-contact-label{width:auto}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .card:hover,.card:focus-within,.btn:hover{transform:none}
}