:root{
  --c-deep:#0A1F44;
  --c-deep-2:#06132B;
  --c-orange:#FF6B35;
  --c-neon:#39FF14;
  --c-white:#FFFFFF;
  --c-light:#F2F4F7;
  --c-gray:#6B7280;
  --c-dark:#111827;
  --c-border:#E5E7EB;
  --font-head:'Impact','Arial Black','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'JetBrains Mono','Roboto Mono',monospace;
  --container-w:1200px;
  --header-h:84px;
  --header-h-mobile:68px;
  --radius:4px;
  --shadow-1:0 6px 20px rgba(6,19,43,.18);
  --shadow-2:0 12px 40px rgba(6,19,43,.28);
  --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--c-deep);
  background:var(--c-white);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,
button:focus-visible{
  outline:3px solid var(--c-neon);
  outline-offset:3px;
  border-radius:2px;
}
:focus-visible{outline:3px solid var(--c-neon);outline-offset:2px}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{
  width:min(100% - 48px,var(--container-w));
  margin-inline:auto;
}
.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:2000;
  background:var(--c-neon);
  color:var(--c-deep-2);
  font-weight:700;
  padding:12px 24px;
  border-radius:0 0 4px 0;
}
.skip-link:focus{left:0;top:0}

/* ---------- 共享页头 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  background:transparent;
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:var(--c-deep);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 4px 24px rgba(6,19,43,.3);
}
.site-header.is-open{
  background:var(--c-deep);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--header-h);
  position:relative;
  transition:min-height .3s ease;
}
.site-header.is-scrolled .header-inner{min-height:68px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-white);
  flex-shrink:0;
  position:relative;
  z-index:2;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  background:var(--c-orange);
  color:var(--c-deep-2);
  font-family:var(--font-head);
  font-size:26px;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));
  transition:background .25s ease,color .25s ease;
}
.brand:hover .brand-mark{background:var(--c-neon);color:var(--c-deep-2)}
.brand-name{
  font-family:var(--font-head);
  font-size:22px;
  letter-spacing:.06em;
  line-height:1;
}
.brand-sub{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.18em;
  color:rgba(255,255,255,.6);
  writing-mode:vertical-rl;
  margin-top:2px;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-inline:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 16px;
  color:rgba(255,255,255,.86);
  font-size:15px;
  font-weight:500;
  letter-spacing:.04em;
  border-radius:2px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:'';
  position:absolute;
  left:16px;
  right:16px;
  bottom:4px;
  height:3px;
  background:var(--c-neon);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-white)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{
  color:var(--c-orange);
  font-weight:700;
}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--c-orange);
}
.header-actions{
  display:flex;
  gap:10px;
  flex-shrink:0;
  position:relative;
  z-index:2;
}
.header-quick-link{
  display:inline-block;
  padding:8px 14px;
  font-size:13px;
  font-family:var(--font-num);
  color:var(--c-deep-2);
  background:var(--c-neon);
  border-radius:2px;
  letter-spacing:.05em;
  font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.header-quick-link:hover{background:var(--c-orange);transform:translateY(-2px)}
.btn-nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:48px;
  height:44px;
  padding:8px;
  border:1px solid rgba(255,255,255,.35);
  border-radius:3px;
  position:relative;
  z-index:2;
  transition:border-color .25s ease,background .25s ease;
}
.btn-nav-toggle .bar{
  display:block;
  width:100%;
  height:2px;
  background:var(--c-white);
  transition:transform .3s ease,opacity .3s ease;
}
.btn-nav-toggle .toggle-label{
  position:absolute;
  right:0;
  bottom:-22px;
  left:0;
  text-align:center;
  color:rgba(255,255,255,.5);
  font-size:10px;
  letter-spacing:.2em;
}
.btn-nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.btn-nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.btn-nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:3px;
  background:rgba(255,255,255,.12);
  pointer-events:none;
  overflow:hidden;
}
.header-progress-bar{
  display:block;
  width:0%;
  height:100%;
  background:linear-gradient(90deg,var(--c-orange),var(--c-neon));
}

/* ---------- 共享页脚 ---------- */
.site-footer{
  background:var(--c-deep-2);
  color:rgba(255,255,255,.86);
  border-top:4px solid var(--c-orange);
  padding:64px 0 28px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:attr(data-sport);
  position:absolute;
  right:-20px;
  bottom:-40px;
  font-family:var(--font-head);
  font-size:180px;
  color:rgba(255,255,255,.04);
  line-height:1;
  pointer-events:none;
  letter-spacing:-.04em;
}
.footer-brand-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding-bottom:28px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-footer .brand-mark{
  width:34px;
  height:34px;
  font-size:22px;
}
.brand-footer .brand-name{font-size:18px}
.footer-slogan{
  font-family:var(--font-head);
  font-size:20px;
  color:var(--c-neon);
  letter-spacing:.12em;
  margin:0;
  transform:rotate(-2deg);
}
.footer-links-row{
  display:flex;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  padding:36px 0 32px;
}
.footer-links{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.footer-link{
  display:inline-block;
  padding:10px 18px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:2px;
  font-size:14px;
  color:rgba(255,255,255,.88);
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.footer-link:hover{
  border-color:var(--c-orange);
  background:var(--c-orange);
  color:var(--c-deep-2);
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  line-height:1.6;
  font-family:var(--font-num);
}
.footer-icp-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:24px;
  font-size:12px;
  color:rgba(255,255,255,.5);
}
.footer-copy{white-space:nowrap}
.footer-icp{letter-spacing:.06em}
.footer-trust{
  max-width:400px;
  text-align:right;
  line-height:1.5;
  color:rgba(255,255,255,.68);
}

/* ---------- 通用基础组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 32px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border-radius:3px;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  position:relative;
}
.btn:focus-visible{outline:3px solid var(--c-neon);outline-offset:3px}
.btn-primary{
  background:var(--c-orange);
  color:var(--c-deep-2);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(255,107,53,.36);
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--c-deep);
  color:var(--c-deep);
}
.btn-ghost:hover{
  background:var(--c-deep);
  color:var(--c-white);
  border-color:var(--c-deep);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-gray);
  padding:10px 0;
}
.breadcrumb a{
  color:var(--c-deep);
  border-bottom:1px solid transparent;
  transition:border-bottom-color .2s ease,color .2s ease;
}
.breadcrumb a:hover{
  color:var(--c-orange);
  border-bottom-color:var(--c-orange);
}
.breadcrumb [aria-current="page"]{color:var(--c-gray);font-weight:600}
.img-frame{
  position:relative;
  display:block;
  overflow:hidden;
  background:linear-gradient(135deg,#E5E7EB 0%,#F2F4F7 100%);
  clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,24px 100%,0 calc(100% - 24px));
}
.img-frame::before{
  content:'';
  display:block;
  padding-top:66%;
}
.img-frame img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.section-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  position:relative;
}
.section-head .eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--c-orange);
  text-transform:uppercase;
}
.section-head h2{
  font-family:var(--font-head);
  font-size:42px;
  line-height:1.1;
  color:var(--c-deep);
  letter-spacing:.02em;
}
.section-head .side-note{
  writing-mode:vertical-lr;
  font-size:12px;
  letter-spacing:.3em;
  color:var(--c-gray);
  border-left:1px solid var(--c-border);
  padding-left:8px;
  flex-shrink:0;
}
.data-tag{
  display:inline-block;
  padding:3px 10px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.08em;
  background:var(--c-neon);
  color:var(--c-deep-2);
  border-radius:2px;
  font-weight:700;
}
.data-tag--orange{
  background:var(--c-orange);
}
.stat-number{
  font-family:var(--font-num);
  font-size:56px;
  font-weight:700;
  line-height:1;
  color:var(--c-deep);
}
.panel-section{
  background:var(--c-deep);
  clip-path:polygon(0 24px,100% 0,100% calc(100% - 24px),0 100%);
  padding:72px 0;
  margin:24px 0;
}
.ticker-strip{
  background:var(--c-deep-2);
  color:var(--c-white);
  overflow:hidden;
  white-space:nowrap;
  font-family:var(--font-num);
  font-size:13px;
  padding:10px 0;
  border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.ticker-strip span{
  display:inline-block;
  margin-right:48px;
}
.ticker-strip .label{color:var(--c-neon)}
.ticker-strip .val{color:rgba(255,255,255,.6);padding-right:24px}

/* ---------- 滚动显现协议 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s ease;
}
[data-reveal].is-inview{
  opacity:1;
  transform:translateY(0);
}

/* ---------- 响应式:平板 ---------- */
@media (max-width:1024px){
  .container{width:min(100% - 40px,var(--container-w))}
  .site-nav{gap:2px}
  .nav-link{padding:8px 10px;font-size:14px}
  .header-actions{gap:6px}
  .brand-sub{display:none}
}

/* ---------- 响应式:手机 ---------- */
@media (max-width:768px){
  :root{--header-h:68px}
  .container{width:min(100% - 28px,var(--container-w))}
  .header-inner{
    min-height:var(--header-h-mobile);
    gap:12px;
    flex-wrap:wrap;
  }
  .site-header.is-scrolled .header-inner{min-height:var(--header-h-mobile)}
  .brand-mark{width:34px;height:34px;font-size:22px}
  .brand-name{font-size:17px}
  .header-actions{display:none}
  .btn-nav-toggle{
    display:flex;
    margin-left:auto;
  }
  .site-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    position:absolute;
    top:calc(100% + 0px);
    left:0;
    right:0;
    background:var(--c-deep);
    border-top:1px solid rgba(255,255,255,.12);
    padding:12px 20px 24px;
    box-shadow:var(--shadow-2);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-link{
    display:block;
    padding:14px 8px;
    font-size:16px;
    color:rgba(255,255,255,.92);
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--c-orange)}
  .site-header.is-scrolled .site-nav{box-shadow:var(--shadow-2)}
  .footer-icp-row{flex-direction:column;gap:8px}
  .footer-trust{text-align:left;max-width:none}
  .footer-links-row{flex-direction:column;gap:20px}
  .section-head h2{font-size:30px}
  .section-head .side-note{display:none}
  .stat-number{font-size:42px}
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{
    opacity:1;
    transform:none;
  }
}