*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;color-scheme:dark}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;padding:0;margin:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:root{
  --bg-base:#0A0A0F;
  --bg-card:#1C1C24;
  --bg-elevated:#24242E;
  --accent-blue:#00D4FF;
  --accent-blue-soft:#66E0FF;
  --accent-orange:#FF5C00;
  --accent-orange-dark:#CC4A00;
  --accent-green:#00E676;
  --text-primary:#FFFFFF;
  --text-body:#E5E5E5;
  --text-muted:#8A8A92;
  --border-thin:rgba(255,255,255,0.08);
  --border-blue:rgba(0,212,255,0.28);
  --font-display:"Noto Sans SC","PingFang SC",sans-serif;
  --font-heading:"Noto Sans SC","Arial Black","Impact",sans-serif;
  --font-body:"Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"DIN Alternate","Roboto Mono",monospace;
  --fs-hero:3.5rem;
  --fs-section:2rem;
  --fs-card:1.25rem;
  --fs-body:1rem;
  --fs-data:1.5rem;
  --fs-caption:0.875rem;
  --container-width:1200px;
  --container-wide:1320px;
  --header-h:64px;
  --gap-section:96px;
  --ease:cubic-bezier(0.22,1,0.36,1);
}
@media(min-width:768px){:root{--header-h:72px}}
html{scroll-behavior:auto}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--text-body);
  background-color:var(--bg-base);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{
  font-family:var(--font-heading);
  color:var(--text-primary);
  line-height:1.25;
}
h1{font-size:var(--fs-hero);font-weight:900;font-style:italic;letter-spacing:-0.02em}
h2{font-size:var(--fs-section);font-weight:800;font-style:italic}
h3{font-size:var(--fs-card);font-weight:700}
a{transition:color 0.16s var(--ease)}
main{display:block}
#main-content{outline:none}
::selection{background:rgba(0,212,255,0.35);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-base)}
::-webkit-scrollbar-thumb{background:#303038;border:2px solid var(--bg-base)}
::-webkit-scrollbar-thumb:hover{background:var(--accent-blue)}
:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}
.skip-link{
  position:fixed;top:-100px;left:16px;z-index:1000;
  min-height:44px;display:inline-flex;align-items:center;
  padding:10px 20px;background:var(--accent-blue);color:#00131C;
  font-weight:800;font-size:0.9375rem;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
  transition:top 0.16s var(--ease);
}
.skip-link:focus{top:12px}
.container{width:min(calc(100% - 48px),var(--container-width));margin-inline:auto}
.container--wide{width:min(calc(100% - 48px),var(--container-wide));margin-inline:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 20px;
  font-family:var(--font-body);font-size:0.9375rem;font-weight:800;line-height:1;
  color:var(--text-primary);background:var(--bg-card);
  border:1px solid var(--border-thin);cursor:pointer;
  transition:background 0.16s var(--ease),border-color 0.16s var(--ease),color 0.16s var(--ease),transform 0.16s var(--ease);
}
.btn:hover{border-color:var(--accent-blue-soft);color:var(--accent-blue-soft)}
.btn:active{transform:translateY(1px)}
.btn--primary{
  background:var(--accent-blue);border-color:var(--accent-blue);color:#00131C;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
}
.btn--primary:hover{background:var(--accent-blue-soft);border-color:var(--accent-blue-soft);color:#00131C}
.btn--accent{
  background:var(--accent-orange);border-color:var(--accent-orange);color:#fff;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
}
.btn--accent:hover{background:var(--accent-orange-dark);border-color:var(--accent-orange-dark);color:#fff}
.btn--ghost{border-color:var(--border-blue);color:var(--accent-blue);background:transparent}
.btn--ghost:hover{background:rgba(0,212,255,0.08);border-color:var(--accent-blue);color:var(--accent-blue)}
.btn--block{width:100%}
.btn--sm{min-height:32px;padding:6px 12px;font-size:0.8125rem}
.btn--lg{min-height:52px;padding:14px 28px;font-size:1.0625rem}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:18px 0;font-size:0.875rem;color:var(--text-muted);
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--accent-blue)}
.breadcrumb-sep{color:var(--text-muted);opacity:0.5}
.breadcrumb [aria-current]{color:var(--text-primary);font-weight:700}
.section-head{margin-bottom:32px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:0.8125rem;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--accent-blue);
}
.section-eyebrow::before{content:"";width:24px;height:2px;background:var(--accent-blue)}
.section-title{margin-top:6px;color:var(--text-primary)}
.grid{display:grid;gap:24px}
.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
@media(min-width:640px){.grid--2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1100px){.grid--4{grid-template-columns:repeat(4,1fr)}}
.card{
  position:relative;background:var(--bg-card);
  border:1px solid var(--border-thin);border-top:2px solid var(--accent-blue);
  padding:24px;transition:transform 0.16s var(--ease),border-color 0.16s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--border-blue);border-top-color:var(--accent-blue)}
.card--orange{border-top-color:var(--accent-orange)}
.card--orange:hover{border-top-color:var(--accent-orange)}
.card--green{border-top-color:var(--accent-green)}
.card--green:hover{border-top-color:var(--accent-green)}
.card-data{font-family:var(--font-mono);font-size:var(--fs-data);font-weight:900;font-style:italic;color:var(--text-primary);line-height:1.2}
.card-label{font-size:0.8125rem;color:var(--text-muted);letter-spacing:0.08em;text-transform:uppercase;margin-top:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;background:rgba(0,212,255,0.08);
  border:1px solid var(--border-blue);color:var(--accent-blue);
  font-size:0.8125rem;font-weight:600;line-height:1.4;
}
.chip--orange{background:rgba(255,92,0,0.08);border-color:rgba(255,92,0,0.28);color:var(--accent-orange)}
.chip--green{background:rgba(0,230,118,0.08);border-color:rgba(0,230,118,0.28);color:var(--accent-green)}
.data-table{width:100%;border-collapse:collapse;font-size:0.9375rem}
.data-table th{
  text-align:left;padding:12px;color:var(--text-muted);font-weight:700;
  font-size:0.8125rem;letter-spacing:0.06em;text-transform:uppercase;
  border-bottom:1px solid var(--border-thin);background:rgba(255,255,255,0.02);
}
.data-table td{padding:12px;border-bottom:1px solid rgba(255,255,255,0.06);color:var(--text-body)}
.data-table tbody tr{transition:background 0.16s var(--ease)}
.data-table tbody tr:hover{background:rgba(0,212,255,0.05)}
.media-frame{position:relative;overflow:hidden;background:var(--bg-card)}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--3x2{aspect-ratio:3/2}
.media-frame--1x1{aspect-ratio:1/1}
.text-accent-blue{color:var(--accent-blue)}
.text-accent-orange{color:var(--accent-orange)}
.text-accent-green{color:var(--accent-green)}
.mono{font-family:var(--font-mono)}
html.js-reveals [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity 0.34s var(--ease),transform 0.34s var(--ease)}
html.js-reveals [data-reveal][data-revealed]{opacity:1;transform:none}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,10,15,0.85);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-blue);
  transition:background 0.2s var(--ease);
}
.site-header[data-scrolled]{
  background:rgba(10,10,15,0.98);
  -webkit-backdrop-filter:none;backdrop-filter:none;
}
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .site-header{background:rgba(10,10,15,0.98)}
}
.header-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:var(--accent-blue);z-index:3;pointer-events:none;
}
.header-strip{border-bottom:1px solid rgba(255,255,255,0.06);font-size:0.75rem;color:var(--text-muted)}
.header-strip-inner{
  width:min(calc(100% - 48px),var(--container-wide));
  margin-inline:auto;height:28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.strip-caption{letter-spacing:0.06em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.strip-status{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-green);box-shadow:0 0 6px rgba(0,230,118,0.8);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
.strip-sep{color:rgba(255,255,255,0.2)}
.header-inner{
  width:min(calc(100% - 48px),var(--container-wide));
  margin-inline:auto;min-height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand-block{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;flex-shrink:0;
  background:linear-gradient(135deg,#00D4FF 0%,#0086C4 100%);
  color:#00141C;font-family:var(--font-heading);font-weight:900;font-style:italic;
  font-size:1.5rem;line-height:1;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%);
}
.brand-mark-core{transform:skewX(-8deg);padding-left:2px}
.brand-text{display:none;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--font-heading);font-weight:900;font-style:italic;font-size:1.25rem;color:var(--text-primary);letter-spacing:0.04em}
.brand-cert{display:inline-flex;align-items:center;gap:6px;font-size:0.6875rem;font-weight:500;color:var(--text-muted);letter-spacing:0.1em;margin-top:2px}
.brand-cert-dot{width:5px;height:5px;background:var(--accent-green);border-radius:50%}
.brand-abbr{display:inline-block;font-family:var(--font-heading);font-weight:900;font-style:italic;font-size:1.375rem;color:var(--text-primary)}
.desktop-nav{display:none}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-trigger{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;
  padding:0 14px;border:1px solid var(--border-thin);
  color:var(--text-muted);font-size:0.875rem;font-weight:600;cursor:pointer;
  transition:color 0.16s var(--ease),border-color 0.16s var(--ease);
}
.search-trigger:hover{color:var(--accent-blue);border-color:var(--border-blue)}
.search-trigger-icon{display:inline-block;position:relative;width:13px;height:13px;border:2px solid currentColor;border-radius:50%;flex-shrink:0}
.search-trigger-icon::after{content:"";position:absolute;right:-5px;bottom:-3px;width:7px;height:2px;background:currentColor;transform:rotate(45deg)}
.download-btn{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 18px;
  background:var(--accent-orange);color:#fff;font-size:0.9375rem;font-weight:800;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
  transition:background 0.16s var(--ease),transform 0.16s var(--ease);
}
.download-btn:hover{background:var(--accent-orange-dark);color:#fff;transform:translateY(-1px)}
.download-btn-icon{font-size:1rem;font-weight:900;line-height:1}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:11px;
  border:1px solid var(--border-thin);background:transparent;cursor:pointer;
  color:var(--text-body);flex-shrink:0;
  transition:border-color 0.16s var(--ease),color 0.16s var(--ease);
}
.nav-toggle:hover{border-color:var(--border-blue);color:var(--accent-blue)}
.nav-toggle-line{display:block;width:100%;height:2px;background:currentColor;transition:transform 0.2s var(--ease),opacity 0.2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.search-panel{
  position:absolute;top:100%;left:0;right:0;display:none;z-index:2;
  background:rgba(10,10,15,0.97);
  border-bottom:1px solid var(--border-blue);
  box-shadow:0 16px 24px rgba(0,0,0,0.4);
}
.search-panel[data-open]{display:block}
.search-panel-inner{width:min(calc(100% - 48px),var(--container-width));margin-inline:auto;padding:20px 0 24px}
.search-panel-title{
  font-family:var(--font-heading);font-weight:800;font-style:italic;
  font-size:0.9375rem;color:var(--text-muted);letter-spacing:0.08em;margin-bottom:12px;
}
.search-quick-list{display:grid;gap:8px;grid-template-columns:1fr}
.search-quick-list a{
  display:block;padding:10px 12px;border-left:2px solid var(--accent-blue);
  color:var(--text-body);font-size:0.9375rem;
  transition:background 0.16s var(--ease),color 0.16s var(--ease);
}
.search-quick-list a:hover{background:var(--bg-card);color:var(--accent-blue)}
.mobile-nav{display:none;position:fixed;inset:0;z-index:200;background:rgba(6,6,10,0.96);overflow-y:auto;overscroll-behavior:contain}
.mobile-nav[data-open]{display:block}
body.nav-open{overflow:hidden}
.mobile-nav-inner{
  width:min(100% - 48px,680px);margin:0 auto;padding:24px 0 48px;
  min-height:100%;display:flex;flex-direction:column;position:relative;z-index:1;
}
.mobile-nav-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding-bottom:20px;border-bottom:1px solid var(--border-thin);
}
.mobile-nav-abbr{font-family:var(--font-heading);font-weight:900;font-style:italic;font-size:1.375rem;color:var(--text-primary)}
.mobile-nav-sub{font-size:0.8125rem;color:var(--text-muted);margin-top:4px}
.mobile-nav-close{
  display:inline-flex;align-items:center;gap:8px;min-height:36px;
  padding:0 12px;border:1px solid var(--border-thin);color:var(--text-muted);
  background:transparent;font-size:0.875rem;font-weight:600;cursor:pointer;
  transition:color 0.16s var(--ease),border-color 0.16s var(--ease);
}
.mobile-nav-close:hover{color:var(--accent-blue);border-color:var(--border-blue)}
.mobile-nav-close-icon{position:relative;display:inline-block;width:12px;height:12px;flex-shrink:0}
.mobile-nav-close-icon::before,.mobile-nav-close-icon::after{content:"";position:absolute;left:0;top:50%;width:100%;height:2px;background:currentColor}
.mobile-nav-close-icon::before{transform:translateY(-50%) rotate(45deg)}
.mobile-nav-close-icon::after{transform:translateY(-50%) rotate(-45deg)}
.mobile-nav-list{display:flex;flex-direction:column;margin-top:8px}
.mobile-nav-link{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 8px;border-bottom:1px solid var(--border-thin);
  font-family:var(--font-heading);font-weight:800;font-style:italic;
  font-size:1.25rem;color:var(--text-body);
  transition:color 0.16s var(--ease),padding-left 0.16s var(--ease);
}
.mobile-nav-link::after{content:"→";font-size:1rem;color:var(--text-muted);transition:color 0.16s var(--ease),transform 0.16s var(--ease)}
.mobile-nav-link:hover,.mobile-nav-link[aria-current="page"]{color:var(--accent-blue);padding-left:14px}
.mobile-nav-link:hover::after,.mobile-nav-link[aria-current="page"]::after{color:var(--accent-blue);transform:translateX(4px)}
.mobile-nav-foot{margin-top:auto;padding-top:32px}
.mobile-nav-trust{margin-top:16px;font-size:0.8125rem;line-height:1.7;color:var(--text-muted);text-align:center}
.site-footer{background:var(--bg-card);border-top:1px solid var(--border-blue);margin-top:80px}
.footer-inner{width:min(calc(100% - 48px),var(--container-width));margin-inline:auto;padding:56px 0 32px}
.footer-top{display:grid;gap:40px;grid-template-columns:1fr}
.footer-brand{display:inline-flex;align-items:center;gap:12px}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand-name{font-family:var(--font-heading);font-weight:900;font-style:italic;font-size:1.25rem;color:var(--text-primary)}
.footer-brand-cert{font-size:0.75rem;color:var(--text-muted);letter-spacing:0.1em;margin-top:2px}
.footer-trust{margin-top:16px;font-size:0.9375rem;line-height:1.7;color:var(--text-muted);max-width:46ch}
.footer-metrics{display:flex;gap:32px;margin-top:20px}
.footer-metric{display:flex;flex-direction:column}
.metric-value{font-family:var(--font-mono);font-size:1.75rem;font-weight:900;font-style:italic;color:var(--accent-green);line-height:1.1}
.metric-label{font-size:0.75rem;color:var(--text-muted);letter-spacing:0.06em;margin-top:4px}
.footer-col-title{
  position:relative;padding-left:14px;margin-bottom:18px;
  font-family:var(--font-heading);font-weight:800;font-style:italic;
  font-size:1rem;color:var(--text-primary);letter-spacing:0.02em;
}
.footer-col-title::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:3px;background:var(--accent-blue)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-muted);font-size:0.9375rem;transition:color 0.16s var(--ease),padding-left 0.16s var(--ease)}
.footer-links a:hover,.footer-links a[aria-current="page"]{color:var(--accent-blue);padding-left:4px}
.footer-contact-list{display:flex;flex-direction:column;gap:12px}
.footer-contact-item{display:flex;flex-direction:column;gap:2px}
.footer-contact-label{font-size:0.6875rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent-orange);font-weight:700}
.footer-contact-item>span:last-child{color:var(--text-muted);font-size:0.9375rem;line-height:1.5;word-break:break-all}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--border-thin);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;
  font-size:0.8125rem;color:var(--text-muted);
}
.footer-copy{margin-right:auto}
.footer-icp{letter-spacing:0.04em}
.footer-slogan{letter-spacing:0.08em}
@media(min-width:768px){
  .footer-top{grid-template-columns:repeat(2,1fr)}
  .search-quick-list{grid-template-columns:repeat(2,1fr)}
  .mobile-nav-list{display:grid;grid-template-columns:repeat(2,1fr);column-gap:32px}
}
@media(min-width:960px){
  .desktop-nav{display:block;margin-inline:auto}
  .nav-list{display:flex;align-items:center;gap:2px}
  .nav-link{
    display:inline-block;position:relative;padding:12px 14px;
    font-size:0.9375rem;font-weight:700;color:var(--text-body);letter-spacing:0.02em;
    transition:color 0.16s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:100%;bottom:4px;height:2px;
    background:var(--accent-blue);transition:right 0.2s var(--ease);
  }
  .nav-link:hover,.nav-link[aria-current="page"]{color:var(--accent-blue)}
  .nav-link:hover::after,.nav-link[aria-current="page"]::after{right:14px}
}
@media(min-width:1024px){
  .footer-top{grid-template-columns:1.5fr 0.8fr 0.8fr 1.2fr;gap:48px}
}
@media(max-width:767px){
  .header-strip{display:none}
  .brand-text{display:none}
  .brand-abbr{display:inline-block}
  .search-trigger,.download-btn{display:none}
  .header-actions{gap:4px}
}
@media(max-width:959px){
  .download-btn-text{display:none}
  .download-btn{width:44px;padding:0;justify-content:center}
  .search-trigger-text{display:none}
  .search-trigger{width:40px;padding:0;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
  html.js-reveals [data-reveal]{opacity:1;transform:none;transition:none}
}