:root{
  --space-950:#050A14;
  --space-900:#081426;
  --panel-800:#0E2038;
  --line-600:#2A3B52;
  --text-primary:#EAF4FF;
  --text-secondary:#9FB3C8;
  --text-muted:rgba(159,179,200,.72);
  --teal-400:#39F5C8;
  --teal-300:#7CFFD9;
  --orange-500:#FF8A3D;
  --orange-400:#FFB067;
  --red-500:#FF5D5D;
  --overlay:#03060D;
  --radius:4px;
  --radius-sm:2px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --wrap:1440px;
  --gutter:clamp(20px,4vw,64px);
  --header-h:108px;
  --font-display:'Barlow Condensed','Oswald','Noto Sans SC','PingFang SC',sans-serif;
  --font-num:'JetBrains Mono','Roboto Mono','SFMono-Regular',Consolas,monospace;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
body{
  margin:0;
  min-height:100%;
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  background-color:var(--space-950);
  background-image:
    radial-gradient(900px 520px at 82% -10%, rgba(57,245,200,.09), transparent 62%),
    radial-gradient(720px 460px at 4% -4%, rgba(255,138,61,.07), transparent 60%),
    linear-gradient(180deg,#050A14 0%,#050A14 58%,#081426 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
main{display:block}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
table{border-collapse:collapse;width:100%}
hr{border:0}

:where(a,button,summary,[tabindex],input,select,textarea):focus-visible{
  outline:2px solid var(--teal-300);
  outline-offset:3px;
  border-radius:var(--radius-sm);
}

/* ---------- 排版 ---------- */
.display{
  font-family:var(--font-display);
  font-weight:700;
  line-height:.98;
  letter-spacing:-.01em;
  font-size:clamp(2.75rem,7vw,6.5rem);
  color:var(--text-primary);
}
.num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:-.01em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--teal-400);
}
.eyebrow::before{
  content:"";
  width:14px;height:1px;
  background:var(--teal-400);
  flex:none;
}
.prose{
  max-width:68ch;
  color:var(--text-secondary);
  font-size:17px;
  line-height:1.8;
}
.prose p+p{margin-top:1em}
.prose strong{color:var(--text-primary);font-weight:600}
.prose h2,.prose h3{color:var(--text-primary);font-family:var(--font-display);line-height:1.1}
.prose h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-top:1.8em}
.prose h3{font-size:clamp(1.2rem,2vw,1.5rem);margin-top:1.5em}

/* ---------- 布局工具 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{position:relative;padding-block:clamp(48px,7vw,96px)}
.section--tint{background:linear-gradient(180deg,rgba(8,20,38,.92),rgba(5,10,20,0))}
.grid{display:grid;gap:24px}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.rule{height:1px;background:var(--line-600);border:0;margin:0}
.panel{
  position:relative;
  background:linear-gradient(160deg,rgba(14,32,56,.92),rgba(8,20,38,.72));
  border:1px solid var(--line-600);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.panel--flat{box-shadow:none}

/* ---------- 按钮与链接 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.72em 1.25em;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.2;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{
  background:linear-gradient(135deg,var(--orange-500),var(--orange-400));
  color:#1B0C03;
  box-shadow:0 10px 26px rgba(255,138,61,.22);
}
.btn--primary:hover{box-shadow:0 14px 32px rgba(255,138,61,.34)}
.btn--ghost{
  background:rgba(14,32,56,.62);
  border-color:var(--line-600);
  color:var(--text-primary);
}
.btn--ghost:hover{border-color:var(--teal-400);color:var(--teal-300)}
.btn--teal{
  background:var(--teal-400);
  color:#04201A;
  box-shadow:0 10px 26px rgba(57,245,200,.2);
}
.btn--teal:hover{box-shadow:0 14px 32px rgba(57,245,200,.3)}
.btn--sm{padding:.5em .9em;font-size:13px}
.link-quiet{
  display:inline-block;
  padding:.25em 0;
  font-family:var(--font-num);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--text-secondary);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.link-quiet:hover{color:var(--teal-300);border-bottom-color:var(--teal-400)}

/* ---------- 状态点 ---------- */
.pulse-dot{
  width:6px;height:6px;
  flex:none;
  border-radius:50%;
  background:var(--teal-400);
  box-shadow:0 0 0 3px rgba(57,245,200,.16);
  animation:dot-pulse 2.6s ease-in-out infinite;
}
@keyframes dot-pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 3px rgba(57,245,200,.16)}
  50%{opacity:.55;box-shadow:0 0 0 6px rgba(57,245,200,.05)}
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-72px;
  z-index:200;
  padding:10px 18px;
  border-radius:var(--radius);
  background:var(--teal-400);
  color:#04201A;
  font-weight:700;
  font-size:14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,10,20,.9);
  border-bottom:1px solid var(--line-600);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background-color .25s ease,border-color .25s ease;
}
.site-header.is-compact{background:rgba(5,10,20,.97);border-bottom-color:rgba(57,245,200,.28)}

.header-top{
  overflow:hidden;
  max-height:52px;
  border-bottom:1px solid rgba(42,59,82,.7);
  transition:max-height .3s var(--ease),opacity .25s ease,border-color .25s ease;
}
.site-header.is-compact .header-top{
  max-height:0;
  opacity:0;
  border-bottom-color:transparent;
}
.header-top__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:44px;
}
.header-top__tagline{
  display:flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--text-secondary);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.header-top__links{
  display:flex;
  align-items:center;
  gap:18px;
  flex:none;
}

.header-main__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:64px;
  transition:min-height .25s var(--ease);
}
.site-header.is-compact .header-main__inner{min-height:56px}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:none;
  color:var(--text-primary);
}
.brand__mark{
  position:relative;
  width:34px;height:34px;
  flex:none;
  display:grid;
  place-items:center;
  border:1px solid var(--teal-400);
  border-radius:50%;
  box-shadow:inset 0 0 0 3px rgba(57,245,200,.1);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.brand__mark::before{
  content:"";
  width:12px;height:12px;
  border:1px solid rgba(57,245,200,.75);
  border-radius:50%;
}
.brand__mark::after{
  content:"";
  position:absolute;
  top:0;bottom:0;
  left:50%;
  width:1px;
  transform:translateX(-.5px);
  background:linear-gradient(180deg,transparent,var(--teal-400),transparent);
}
.brand:hover .brand__mark{border-color:var(--teal-300);box-shadow:inset 0 0 0 3px rgba(57,245,200,.2)}
.brand__text{display:flex;flex-direction:column;line-height:1.12}
.brand__name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:700;
  letter-spacing:.16em;
}
.brand__sub{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--text-secondary);
  white-space:nowrap;
}

/* 移动端汉堡 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border:1px solid var(--line-600);
  border-radius:var(--radius);
  color:var(--text-primary);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--teal-400);color:var(--teal-300)}
.nav-toggle__box{width:18px;display:grid;gap:4px}
.nav-toggle__box span{
  display:block;
  height:1.5px;
  background:currentColor;
  transition:transform .25s var(--ease),opacity .18s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-toggle__label{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.14em;
}

/* 主导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  font-size:14.5px;
  letter-spacing:.03em;
  color:var(--text-secondary);
  transition:color .2s ease;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  background:var(--teal-400);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s var(--ease),background-color .2s ease;
}
.site-nav__link:hover{color:var(--text-primary)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{
  color:var(--text-primary);
  font-weight:600;
}
.site-nav__link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--orange-500);
}
.site-nav__cta{display:none}

/* 滚动进度轨 */
.scroll-rail{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  pointer-events:none;
  background:rgba(42,59,82,.5);
}
.scroll-rail__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--teal-400),var(--orange-500));
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line-600);
  background:linear-gradient(180deg,#081426 0%,#050A14 72%);
  color:var(--text-secondary);
}
.footer-tactics{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.3;
  background-image:
    linear-gradient(90deg,rgba(42,59,82,.55) 1px,transparent 1px),
    linear-gradient(180deg,rgba(42,59,82,.4) 1px,transparent 1px);
  background-size:clamp(64px,9vw,128px) clamp(64px,9vw,128px);
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 42%,transparent 100%);
  mask-image:linear-gradient(180deg,transparent 0%,#000 42%,transparent 100%);
}
.footer-main{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1.65fr) minmax(0,1fr);
  gap:clamp(28px,4vw,64px);
  padding-block:clamp(40px,6vw,72px) clamp(28px,4vw,44px);
}
.footer-brand__summary{
  margin-top:18px;
  max-width:42ch;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-secondary);
}
.footer-brand__note{
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin-top:16px;
  max-width:44ch;
  font-family:var(--font-num);
  font-size:12px;
  line-height:1.7;
  letter-spacing:.02em;
  color:var(--text-muted);
}
.footer-brand__note .pulse-dot{margin-top:7px}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.footer-col__title{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 14px;
  font-family:var(--font-num);
  font-size:11px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--teal-400);
}
.footer-col__title::before{
  content:"";
  width:8px;height:8px;
  flex:none;
  border:1px solid rgba(57,245,200,.6);
  border-radius:var(--radius-sm);
  background:rgba(57,245,200,.12);
}
.footer-col__list{display:grid;gap:2px}
.footer-link{
  display:inline-block;
  padding:4px 0;
  font-size:14px;
  line-height:1.6;
  color:var(--text-secondary);
  transition:color .2s ease,transform .2s var(--ease);
}
.footer-link:hover{color:var(--text-primary);transform:translateX(2px)}

.footer-contact{
  padding-left:clamp(16px,2.4vw,32px);
  border-left:1px solid var(--line-600);
}
.contact-list{display:grid;gap:12px}
.contact-list__item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:10px;
  align-items:baseline;
}
.contact-list__key{
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-muted);
}
.contact-list__value{
  font-family:var(--font-num);
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-primary);
  word-break:break-word;
}
.footer-legal{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  padding-block:18px 26px;
  border-top:1px solid var(--line-600);
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-muted);
}
.footer-legal__icp{white-space:nowrap}

/* ---------- 通用组件 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid var(--line-600);
  border-radius:var(--radius-sm);
  background:rgba(14,32,56,.6);
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--text-secondary);
}
.tag--teal{color:var(--teal-400);border-color:rgba(57,245,200,.45);background:rgba(57,245,200,.08)}
.tag--orange{color:var(--orange-400);border-color:rgba(255,138,61,.45);background:rgba(255,138,61,.09)}

.legend{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-secondary);
}
.legend__item{display:inline-flex;align-items:center;gap:8px}
.legend__swatch{width:12px;height:12px;flex:none;border-radius:var(--radius-sm)}
.legend__swatch--goal{background:var(--teal-400)}
.legend__swatch--conceded{background:var(--orange-500)}
.legend__swatch--risk{background:var(--red-500)}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:16px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-muted);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line-600)}
.breadcrumb a{color:var(--text-secondary);transition:color .2s ease}
.breadcrumb a:hover{color:var(--teal-300)}

/* 图片容器基础规则（页面阶段放置占位图） */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  isolation:isolate;
  border:1px solid var(--line-600);
  border-radius:var(--radius);
  background:linear-gradient(160deg,#0E2038,#050A14 78%);
  box-shadow:var(--shadow);
}
.media > img,
.media > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.9) contrast(1.05) brightness(.78);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:
    linear-gradient(180deg,rgba(3,6,13,.18),rgba(3,6,13,.74)),
    linear-gradient(90deg,rgba(57,245,200,.14),transparent 46%,rgba(255,138,61,.1));
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media--wide{aspect-ratio:21/9}
.media--map::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  opacity:.5;
  background-image:
    linear-gradient(90deg,rgba(42,59,82,.8) 1px,transparent 1px),
    linear-gradient(180deg,rgba(42,59,82,.8) 1px,transparent 1px);
  background-size:48px 48px;
}
.media__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:14px 16px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-secondary);
}

/* ---------- 滚动显现 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  will-change:opacity,transform;
}
html.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-main{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  }
  .footer-contact{
    grid-column:1 / -1;
    padding-left:0;
    padding-top:24px;
    border-left:0;
    border-top:1px solid var(--line-600);
  }
  .contact-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px}
}

@media (max-width:920px){
  :root{--header-h:88px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    left:0;right:0;
    top:100%;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    max-height:calc(100vh - 92px);
    overflow-y:auto;
    padding:12px var(--gutter) 26px;
    background:rgba(5,10,20,.985);
    border-top:1px solid var(--line-600);
    border-bottom:1px solid var(--line-600);
    box-shadow:var(--shadow);
    visibility:hidden;
    opacity:0;
    transform:translateY(-8px);
    pointer-events:none;
    transition:opacity .22s ease,transform .22s var(--ease),visibility .22s ease;
  }
  .site-nav[data-open="true"]{
    visibility:visible;
    opacity:1;
    transform:none;
    pointer-events:auto;
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{border-bottom:1px solid rgba(42,59,82,.6)}
  .site-nav__link{
    width:100%;
    padding:15px 4px;
    font-size:16px;
  }
  .site-nav__link::after{left:4px;right:auto;width:28px;bottom:9px}
  .site-nav__cta{
    display:inline-flex;
    margin-top:16px;
    width:100%;
  }
  .header-top__links .link-quiet{display:none}
  .header-top__tagline{font-size:11px;letter-spacing:.1em}
  .site-header.is-compact .header-top{max-height:52px;opacity:1;border-bottom-color:rgba(42,59,82,.7)}
}

@media (max-width:720px){
  .footer-main{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-list{grid-template-columns:minmax(0,1fr)}
  .footer-legal{justify-content:flex-start}
  .brand__sub{display:none}
  .display{font-size:clamp(2.25rem,9vw,3.4rem)}
}

@media (max-width:420px){
  .header-top__tagline{max-width:60%}
  .footer-nav{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 无障碍：减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{
    opacity:1;
    transform:none;
  }
  .btn:hover,.footer-link:hover{transform:none}
}