*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd,table,th,td{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse}

:root{
  --ink:#0B1B2B;
  --ink-2:#12283D;
  --steel:#1E3A52;
  --paper:#F4EFE6;
  --paper-edge:#E0D6C4;
  --pulse:#FF5A1F;
  --ember:#FF8A3D;
  --mint:#3FD6A8;
  --fog:#8FA3B8;
  --coal:#1A1A1A;
  --amber:#E8B33A;
  --soft:#C9D4E0;
  --cut:14px;
  --cut-poly:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
  --shell:1280px;
  --bar-h:56px;
  --grid:48px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-display:"Barlow Condensed","Oswald","Source Han Sans SC","Noto Sans SC","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    repeating-linear-gradient(90deg,rgba(30,58,82,.55) 0 1px,transparent 1px var(--grid)),
    repeating-linear-gradient(0deg,rgba(30,58,82,.55) 0 1px,transparent 1px var(--grid));
}
#main-content{scroll-margin-top:calc(var(--bar-h) + 20px)}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:.96;letter-spacing:-.01em}
h1{font-size:clamp(38px,7vw,96px)}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(20px,2.2vw,28px);line-height:1.16}
p{max-width:34em}
a{color:inherit}
strong{font-weight:700}
.num,.mono{font-family:var(--font-mono);letter-spacing:.02em}
::selection{background:var(--pulse);color:var(--ink)}

:focus-visible{outline:2px solid var(--pulse);outline-offset:3px}

.skip-link{
  position:absolute;left:16px;top:-80px;z-index:999;
  padding:10px 18px;min-height:44px;display:inline-flex;align-items:center;
  background:var(--pulse);color:var(--ink);font-weight:700;text-decoration:none;
  clip-path:var(--cut-poly);transition:top .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{top:12px;outline:none;box-shadow:inset 0 0 0 2px var(--ink)}

/* ---------- 头部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(11,27,43,.98),rgba(11,27,43,.9));
  border-bottom:1px solid var(--steel);
  backdrop-filter:blur(10px) saturate(1.2);
  --bar-h:56px;
}
.site-header[data-condensed="true"]{--bar-h:44px}
.site-header::after{
  content:"";position:absolute;left:0;bottom:-1px;width:100%;height:1px;
  background:linear-gradient(90deg,var(--pulse) 0 96px,rgba(30,58,82,.9) 96px);
  opacity:.9;pointer-events:none;
}
.scroll-progress{position:absolute;left:0;bottom:0;width:100%;height:2px;overflow:hidden;pointer-events:none}
.scroll-progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--pulse),var(--ember));transition:width .12s linear}

.cmd-bar{
  max-width:var(--shell);margin:0 auto;
  min-height:var(--bar-h);
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:clamp(12px,2vw,32px);
  padding:0 clamp(14px,3vw,28px);
  transition:min-height .22s var(--ease);
}
.cmd-left{grid-column:1;display:flex;align-items:center;gap:clamp(10px,1.6vw,20px);min-width:0}

.brand{
  display:flex;align-items:center;gap:10px;min-width:0;
  text-decoration:none;color:var(--paper);padding:4px;margin:-4px;
  transition:color .18s var(--ease);
}
.brand-mark{
  flex:none;width:34px;height:34px;display:grid;place-items:center;
  background:var(--paper);color:var(--ink);
  font-family:var(--font-display);font-size:20px;font-weight:800;line-height:1;
  clip-path:var(--cut-poly);transition:background .2s var(--ease),color .2s var(--ease);
}
.brand:hover .brand-mark,.brand:focus-visible .brand-mark{background:var(--pulse)}
.brand-copy{display:flex;flex-direction:column;gap:3px;min-width:0}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:20px;line-height:1;letter-spacing:.08em;white-space:nowrap}
.brand-sub{font-size:10px;line-height:1;letter-spacing:.22em;color:var(--fog);white-space:nowrap}

.status-lamp{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--mint);white-space:nowrap;
}
.status-lamp i{
  width:6px;height:6px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 3px rgba(63,214,168,.18);
  animation:lampPulse 2.8s var(--ease) infinite;
}
@keyframes lampPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(63,214,168,.18)}
  50%{box-shadow:0 0 0 7px rgba(63,214,168,.05)}
}

.cmd-nav{grid-column:2;justify-self:center;min-width:0}
.cmd-nav-list{display:flex;align-items:center;gap:2px}
.cmd-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:38px;padding:6px 11px;
  color:var(--fog);font-size:14px;letter-spacing:.02em;text-decoration:none;
  transition:color .18s var(--ease);
}
.cmd-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;
  background:var(--steel);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s var(--ease),background .18s var(--ease);
}
.cmd-link:hover{color:var(--paper)}
.cmd-link:hover::after{transform:scaleX(1)}
.cmd-link[aria-current="page"]{color:var(--paper);font-weight:700}
.cmd-link[aria-current="page"]::after{transform:scaleX(1);background:var(--pulse)}

.cmd-actions{grid-column:3;justify-self:end;display:flex;align-items:center;gap:8px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.04em;
  text-decoration:none;border:1px solid transparent;border-radius:2px;
  clip-path:var(--cut-poly);cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--pulse{background:var(--pulse);border-color:var(--pulse);color:var(--ink)}
.btn--pulse:hover{background:var(--ember);border-color:var(--ember)}
.btn--ghost{border-color:var(--steel);color:var(--paper)}
.btn--ghost:hover{border-color:var(--mint);color:var(--mint)}
.btn--paper{background:var(--paper);color:var(--ink)}
.btn--paper:hover{background:var(--paper-edge)}
.btn:focus-visible,.icon-btn:focus-visible,.nav-toggle:focus-visible,.chip:focus-visible{
  outline:none;box-shadow:inset 0 0 0 2px var(--pulse);
}
.btn--pulse:focus-visible{box-shadow:inset 0 0 0 2px var(--ink),inset 0 0 0 4px var(--paper)}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex:none;
  border:1px solid var(--steel);border-radius:2px;
  color:var(--fog);text-decoration:none;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.icon-btn:hover{color:var(--paper);border-color:var(--fog);background:rgba(30,58,82,.5)}
.icon{width:18px;height:18px;display:block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;flex:none;
  border:1px solid var(--steel);border-radius:2px;color:var(--paper);cursor:pointer;
  transition:border-color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--pulse)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav-panel{display:none}

/* ---------- 移动端底部导航 ---------- */
.thumb-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(18,40,61,.97);border-top:1px solid var(--steel);
  backdrop-filter:blur(8px);padding-bottom:env(safe-area-inset-bottom);
}
.thumb-nav-list{display:grid;grid-template-columns:repeat(5,1fr)}
.thumb-nav-link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:56px;padding:6px 2px;text-decoration:none;
  color:var(--fog);font-size:11px;letter-spacing:.06em;
  transition:color .18s var(--ease);
}
.thumb-dot{width:5px;height:5px;border-radius:50%;background:transparent;box-shadow:0 0 0 1px var(--steel);transition:background .18s var(--ease),box-shadow .18s var(--ease)}
.thumb-nav-link[aria-current="page"]{color:var(--paper)}
.thumb-nav-link[aria-current="page"] .thumb-dot{background:var(--mint);box-shadow:0 0 0 3px rgba(63,214,168,.16)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(48px,8vw,96px);
  padding-top:clamp(56px,8vw,92px);
  background-color:var(--ink-2);
  background-image:repeating-linear-gradient(90deg,rgba(30,58,82,.5) 0 1px,transparent 1px 96px);
  clip-path:polygon(0 26px,100% 0,100% 100%,0 100%);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:28px;
  background:linear-gradient(90deg,var(--pulse),rgba(255,90,31,.22));
  clip-path:polygon(0 24px,100% -2px,100% 0,0 26px);
  pointer-events:none;
}
.foot-inner{max-width:var(--shell);margin:0 auto;padding:0 clamp(16px,3vw,28px)}
.foot-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px 28px;padding-bottom:clamp(22px,3vw,34px);
}
.foot-brand{margin:0}
.foot-tagline{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(17px,2.2vw,24px);letter-spacing:.1em;color:var(--fog);
}
.foot-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
  padding-top:clamp(22px,3vw,34px);
  border-top:1px solid var(--steel);
}
.foot-title{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.2em;color:var(--fog);text-transform:uppercase;
  margin-bottom:14px;
}
.foot-title::before{content:"";width:12px;height:2px;background:var(--pulse);flex:none}
.foot-list{display:grid;gap:1px}
.foot-list a{
  display:inline-block;padding:5px 0;color:var(--soft);font-size:14px;
  text-decoration:none;transition:color .18s var(--ease),transform .18s var(--ease);
}
.foot-list a:hover{color:var(--pulse);transform:translateX(3px)}
.foot-contact{display:grid;gap:10px;font-size:14px;color:var(--soft);line-height:1.7;word-break:break-word}
.foot-contact .label{
  display:block;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.18em;color:var(--fog);text-transform:uppercase;
}
.foot-note{margin-top:12px;font-size:12px;line-height:1.65;color:var(--fog);max-width:28em}
.foot-strip{
  margin-top:clamp(26px,4vw,44px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:16px clamp(14px,2.4vw,22px);
  background:rgba(11,27,43,.6);border:1px solid var(--steel);
  clip-path:var(--cut-poly);
}
.foot-strip-text{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--soft)}
.foot-strip-actions{display:flex;flex-wrap:wrap;gap:10px}
.foot-legal{
  margin-top:clamp(22px,3vw,34px);
  padding:18px 0 30px;border-top:1px solid var(--steel);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;font-size:12px;color:var(--fog);
}
.foot-copy{font-family:var(--font-mono);letter-spacing:.06em;max-width:none}
.foot-legal-links{display:flex;flex-wrap:wrap;gap:18px}
.foot-legal-links a{color:var(--fog);text-decoration:none;border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease)}
.foot-legal-links a:hover{color:var(--paper);border-color:var(--pulse)}

/* ---------- 通用布局与组件 ---------- */
.container{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,3vw,28px)}
.grid{display:grid;gap:clamp(14px,2vw,24px)}
.split{display:grid;gap:clamp(20px,4vw,48px);grid-template-columns:minmax(0,58fr) minmax(0,34fr)}

.breadcrumb{padding:18px 0;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--fog)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"／";color:var(--steel)}
.breadcrumb a{color:var(--fog);text-decoration:none}
.breadcrumb a:hover{color:var(--pulse)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

.panel{
  position:relative;padding:clamp(18px,2.4vw,28px);
  background:var(--ink-2);border:1px solid var(--steel);
  clip-path:var(--cut-poly);
}
.panel::after{
  content:"";position:absolute;top:0;right:calc(var(--cut) * -.414);
  width:calc(var(--cut) * 1.414);height:1px;background:var(--steel);
  transform-origin:left center;transform:rotate(45deg);pointer-events:none;
}
.panel--paper{background:var(--paper);color:var(--coal);border-color:var(--paper-edge)}
.panel--paper::after{background:var(--paper-edge)}
.panel--paper h2,.panel--paper h3{color:var(--coal)}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  background:rgba(30,58,82,.9);color:var(--fog);
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 15px;
  font-size:13px;letter-spacing:.02em;color:var(--fog);text-decoration:none;
  border:1px solid var(--steel);border-radius:999px;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{border-color:var(--fog);color:var(--paper)}
.chip.is-active,.chip[aria-pressed="true"]{background:var(--pulse);border-color:var(--pulse);color:var(--ink);font-weight:700}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--mint)}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.badge--warn{color:var(--amber)}
.badge--hot{color:var(--pulse)}
.badge--mute{color:var(--fog)}

.data-table{width:100%;font-size:14px}
.data-table caption{text-align:left;padding-bottom:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--fog)}
.data-table th,.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid rgba(30,58,82,.95)}
.data-table th{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--fog);white-space:nowrap}
.data-table tbody tr{transition:background .16s var(--ease)}
.data-table tbody tr:hover{background:var(--ink-2)}
.data-table .num,.data-table .score{font-family:var(--font-mono);text-align:right;letter-spacing:.02em}
.data-table .score{color:var(--pulse);font-size:1.4em;font-weight:700}

.media{position:relative;overflow:hidden;border:1px solid var(--steel);background:var(--ink-2);clip-path:var(--cut-poly)}
.media img,.media svg,.media video{display:block;width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x5{aspect-ratio:4/5}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media-caption{margin-top:8px;font-size:12px;line-height:1.6;color:var(--fog)}

.index-label{
  position:absolute;left:0;top:0;
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--fog);text-transform:uppercase;
}
.section-index{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--fog);text-transform:uppercase}
.section-index::before{content:"";width:18px;height:1px;background:var(--pulse);flex:none}

.fold{border:1px solid var(--steel);background:rgba(18,40,61,.6);clip-path:var(--cut-poly)}
.fold summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:52px;padding:12px 16px;cursor:pointer;list-style:none;
  font-weight:700;color:var(--paper);
}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{
  content:"";flex:none;width:8px;height:8px;margin-right:2px;
  border-right:2px solid var(--pulse);border-bottom:2px solid var(--pulse);
  transform:rotate(-45deg);transition:transform .22s var(--ease);
}
.fold[open] summary::after{transform:rotate(45deg)}
.fold-body{padding:0 16px 18px;font-size:15px;color:var(--soft)}

.stat{display:grid;gap:2px}
.stat-num{font-family:var(--font-mono);font-size:clamp(28px,4vw,44px);line-height:1;letter-spacing:.02em;color:var(--paper)}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--fog);text-transform:uppercase}

[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .22s var(--ease),transform .22s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1023px){
  .cmd-nav{display:none}
  .nav-toggle{display:inline-flex}
  .cmd-cta{display:none}
  .nav-panel{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:var(--ink-2);border-top:1px solid var(--steel);border-bottom:1px solid var(--pulse);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .28s var(--ease),opacity .2s var(--ease),visibility .2s;
  }
  .site-header[data-open="true"] .nav-panel{max-height:min(74vh,560px);overflow-y:auto;opacity:1;visibility:visible}
  .nav-panel-list{padding:6px clamp(14px,4vw,28px) 2px}
  .nav-panel-link{
    display:flex;align-items:center;gap:14px;min-height:54px;padding:6px 0;
    font-family:var(--font-display);font-size:22px;letter-spacing:.05em;
    color:var(--paper);text-decoration:none;
    border-bottom:1px solid rgba(30,58,82,.85);
  }
  .nav-panel-link::before{
    content:attr(data-index);width:26px;flex:none;
    font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--fog);
  }
  .nav-panel-link:hover{color:var(--pulse)}
  .nav-panel-link[aria-current="page"]{color:var(--pulse)}
  .nav-panel-link[aria-current="page"]::before{color:var(--mint)}
  .nav-panel-foot{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    padding:16px clamp(14px,4vw,28px) 22px;
  }
  .nav-panel-note{font-size:12px;letter-spacing:.06em;color:var(--fog);max-width:22em}
  .split{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:900px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:767px){
  body{padding-bottom:calc(66px + env(safe-area-inset-bottom))}
  .thumb-nav{display:block}
  .foot-strip{flex-direction:column;align-items:flex-start}
}

@media (max-width:560px){
  .brand-sub{display:none}
  .status-lamp span{display:none}
  .cmd-bar{gap:10px}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .foot-legal{flex-direction:column;align-items:flex-start}
  .fold summary{font-size:15px}
}

@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}
}