*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#0B1D3A;
  --navy-light:#1E3A5F;
  --orange:#FF6B35;
  --orange-dark:#E65A2C;
  --ice:#88C0D0;
  --moon:#F5F7FA;
  --graphite:#2D3748;
  --red:#E53E3E;
  --green:#38A169;
  --mist:#A0B4C8;
  --font-heading:"Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Source Han Serif SC",serif;
  --font-mono:"Roboto Mono","DejaVu Sans Mono","Courier New",monospace;
  --sidebar-width:280px;
  --header-h:64px;
  --content-max:1280px;
  --ease-out:cubic-bezier(.22,1,.36,1)
}
html{scroll-behavior:smooth;scroll-padding-top:20px}
body{font-family:var(--font-body);font-size:16px;line-height:1.8;color:var(--graphite);background:var(--moon);min-height:100vh;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none;transition:color 150ms ease}
ul{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
::selection{background:var(--orange);color:var(--navy)}
#main-content{min-height:60vh;scroll-margin-top:24px}
#main-content:focus{outline:none}
.no-scroll{overflow:hidden}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:900;line-height:1.2;color:var(--navy)}
p{margin-bottom:14px}

.container,.container-narrow,.container-wide{width:100%;margin-inline:auto;padding-inline:clamp(16px,3vw,32px)}
.container{max-width:var(--content-max)}
.container-narrow{max-width:840px}
.container-wide{max-width:1440px}
.page-body{padding-block:clamp(48px,7vw,84px)}
.section{padding-block:clamp(48px,8vw,96px)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head--stacked{flex-direction:column;align-items:flex-start}
.section-eyebrow{display:block;font-family:var(--font-heading);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:8px}
.section-title{font-size:clamp(24px,4vw,36px);letter-spacing:.01em}
.section-lede{max-width:680px;font-size:17px;line-height:1.9;color:var(--graphite);border-left:3px solid var(--orange);padding-left:18px;margin-bottom:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;font-family:var(--font-heading);font-weight:700;font-size:14px;line-height:1.2;border:2px solid transparent;cursor:pointer;background:var(--navy);color:#fff;transition:background 150ms ease,color 150ms ease,border-color 150ms ease,transform 100ms ease}
.btn:hover{background:var(--orange);color:#fff}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:var(--navy)}
.btn-primary:hover{background:var(--orange-dark);color:#fff}
.btn-outline{background:transparent;border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}

.tag-chip{display:inline-flex;align-items:center;padding:4px 12px;background:var(--navy-light);color:rgba(255,255,255,.9);font-family:var(--font-heading);font-size:12px;font-weight:700;letter-spacing:.06em;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 100%,8px 100%)}
.tag-chip--orange{background:var(--orange);color:var(--navy)}
.tag-chip--outline{background:transparent;border:1px solid var(--mist);color:var(--graphite)}

.breadcrumbs{display:flex;flex-wrap:wrap;gap:4px 8px;font-size:13px;margin-bottom:28px}
.breadcrumb-link{color:var(--mist);transition:color 150ms ease}
.breadcrumb-link:hover{color:var(--orange)}
.breadcrumb-current{color:var(--graphite);font-weight:600}
.breadcrumb-item+.breadcrumb-item::before{content:"/";color:var(--mist);margin-right:8px}

.mono-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.data-num{font-family:var(--font-mono);font-size:clamp(28px,5vw,48px);font-weight:700;line-height:1;color:var(--navy);font-variant-numeric:tabular-nums}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.data-card{background:var(--moon);border:1px solid var(--mist);padding:20px;position:relative;transition:border-color 150ms ease,box-shadow 150ms ease,transform 150ms ease}
.data-card:hover{border-color:var(--ice);box-shadow:0 6px 18px rgba(11,29,58,.08);transform:translateY(-2px)}
.data-card-label{font-family:var(--font-heading);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist);margin-bottom:8px}
.data-card-value{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--navy);line-height:1.1}

.chamfer-panel{position:relative;background:var(--moon);border:1px solid var(--mist);padding:24px;clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,0 100%);transition:box-shadow 150ms ease,transform 150ms ease}
.chamfer-panel:hover{box-shadow:0 8px 24px rgba(11,29,58,.1);transform:translateY(-3px)}

.media-frame{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,rgba(255,255,255,.06) 25%,transparent 25%),linear-gradient(225deg,rgba(255,255,255,.06) 25%,transparent 25%),linear-gradient(45deg,rgba(255,255,255,.06) 25%,transparent 25%),linear-gradient(315deg,rgba(255,255,255,.06) 25%,transparent 25%),var(--navy);background-size:24px 24px,24px 24px,24px 24px,24px 24px,cover}
.media-frame::before{content:"";position:absolute;inset:12px;border:1px solid rgba(136,192,208,.28);clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);pointer-events:none;z-index:1}
.media-frame .media-inner{position:absolute;inset:0;display:flex;align-items:flex-end;padding:20px;z-index:2}

.site-header{position:fixed;top:0;left:0;z-index:1000;background:var(--navy);color:#fff}
.skip-link{position:fixed;top:-100px;left:12px;z-index:9999;padding:10px 18px;background:var(--orange);color:var(--navy);font-family:var(--font-heading);font-weight:700;font-size:14px;transition:top 150ms ease}
.skip-link:focus{top:8px}
.header-topbar{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.1)}
.header-topbar-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-heading);font-weight:900;font-size:15px;letter-spacing:.05em}
.header-topbar-brand:hover{color:var(--orange)}
.header-topbar-brand-text{line-height:1.2}
.header-topbar .brand-logo-mark{width:30px;height:30px;font-size:13px}

.brand-logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--orange);color:var(--navy);font-family:var(--font-heading);font-weight:900;font-size:15px;clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);flex-shrink:0}

.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;border-radius:4px}
.nav-toggle-bar{display:block;width:100%;height:2px;background:#fff;transition:transform 150ms ease,opacity 150ms ease,background 150ms ease}
.nav-toggle:hover .nav-toggle-bar{background:var(--orange)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--orange)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--orange)}

.header-rail{display:flex;flex-direction:column}
.rail-brand{padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:24px;flex-shrink:0}
.brand-logo{display:flex;align-items:center;gap:10px;color:#fff}
.brand-logo:hover{color:var(--orange)}
.brand-logo-text{font-family:var(--font-heading);font-weight:900;font-size:16px;letter-spacing:.04em;color:#fff}
.brand-logo:hover .brand-logo-text{color:var(--orange)}
.brand-en{display:block;margin-top:10px;font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ice)}

.primary-nav{margin-top:4px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{display:block;padding:10px 14px;font-family:var(--font-heading);font-weight:700;font-size:15px;color:rgba(255,255,255,.76);border-left:3px solid transparent;transition:color 150ms ease,background 150ms ease,border-color 150ms ease,padding-left 150ms ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--orange);padding-left:18px}
.nav-link[aria-current="page"]{color:#fff;background:linear-gradient(90deg,rgba(255,107,53,.2),transparent 70%);border-left-color:var(--orange);font-weight:900}

.rail-live{margin-top:auto;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);flex-shrink:0}
.live-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ice);letter-spacing:.02em}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(56,161,105,.2);transition:opacity 250ms ease,box-shadow 250ms ease}
.live-dot.is-dim{opacity:.35;box-shadow:none}
.rail-search{margin-top:16px}
.search-input{width:100%;padding:9px 12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:4px;color:#fff;font-size:13px;font-family:var(--font-body);transition:border-color 150ms ease,background 150ms ease}
.search-input::placeholder{color:rgba(255,255,255,.45)}
.search-input:focus{border-color:var(--orange);background:rgba(255,255,255,.12);outline:none}

.site-footer{background:var(--navy);color:rgba(255,255,255,.8);border-top:3px solid var(--orange);position:relative}
.footer-inner{max-width:var(--content-max);margin-inline:auto;padding:56px clamp(16px,3vw,32px) 32px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
.footer-logo{font-family:var(--font-heading);font-weight:900;font-size:24px;color:#fff;letter-spacing:.04em}
.footer-tagline{font-size:14px;color:var(--ice);margin-top:12px;max-width:360px}
.footer-copyright{font-family:var(--font-mono);font-size:13px;color:var(--mist);margin-top:24px}
.footer-col-title{font-family:var(--font-heading);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-list li+li{margin-top:10px}
.footer-list a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color 150ms ease,padding-left 150ms ease}
.footer-list a:hover{color:var(--orange);padding-left:4px}
.footer-contact-list li{font-size:14px;color:var(--ice);margin-bottom:10px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:var(--mist)}
.footer-bottom-sep{color:rgba(255,255,255,.2)}

body::before{content:"";position:fixed;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--orange),var(--orange-dark));transform:scaleX(var(--scroll-progress,0));transform-origin:0 50%;z-index:9000;pointer-events:none;will-change:transform}

@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:48px}
}
@media (max-width:1023.98px){
  .site-header{width:100%;height:var(--header-h)}
  .header-rail{position:fixed;top:var(--header-h);bottom:0;left:0;width:min(320px,86vw);z-index:1001;padding:28px 20px;overflow-y:auto;background:var(--navy);transform:translateX(-105%);visibility:hidden;transition:transform .2s var(--ease-out),visibility 0s linear .2s}
  .header-rail[data-open="true"]{transform:translateX(0);visibility:visible;transition:transform .2s var(--ease-out),visibility 0s}
}
@media (min-width:1024px){
  body{padding-left:var(--sidebar-width)}
  .site-header{width:var(--sidebar-width);height:100vh;box-shadow:1px 0 0 rgba(255,255,255,.06)}
  .header-topbar{display:none}
  .header-rail{height:100%;padding:32px 22px 24px;overflow-y:auto}
  body::before{left:var(--sidebar-width);width:calc(100% - var(--sidebar-width))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}