*,*::before,*::after{box-sizing:border-box;}

:root{
  --ink:#071A13;
  --turf:#0E2A1F;
  --line-green:#1E4433;
  --neon:#C6FF3D;
  --ember:#FF5C36;
  --amber:#FFC24B;
  --chalk:#F2FBF4;
  --mist:#93AC9D;
  --float:rgba(14,42,31,.72);
  --rule:rgba(216,242,222,.18);
  --rule-strong:rgba(216,242,222,.34);
  --shadow:0 2px 14px rgba(0,0,0,.35);
  --shadow-lift:0 12px 30px rgba(0,0,0,.48);
  --gutter:clamp(16px,4vw,44px);
  --maxw:1220px;
  --header-h:68px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"Noto Sans SC","Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

@media (min-width:768px){:root{--header-h:84px;}}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 12px);
}

body{
  margin:0;
  background-color:var(--ink);
  color:#D9EDDF;
  font-family:var(--font-body);
  font-size:clamp(15.5px,.32vw + 14px,17.5px);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--chalk);
}

p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
img,svg,video{max-width:100%;display:block;}
figure{margin:0;}
button{font:inherit;color:inherit;}
a{color:var(--neon);text-decoration:none;}
a:hover{color:#DCFF86;}

::selection{background:var(--neon);color:#06170F;}

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

#main-content{
  display:block;
  padding-top:var(--header-h);
}
body[data-hero="overlay"] #main-content{padding-top:0;}

/* ===================== 通用工具 ===================== */
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

.text-neon{color:var(--neon);}
.text-ember{color:var(--ember);}
.text-amber{color:var(--amber);}
.text-mist{color:var(--mist);}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums slashed-zero;
  letter-spacing:.02em;
}

.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:clamp(36px,6vw,84px);}

.section-head{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:840px;
  margin-bottom:clamp(22px,3vw,40px);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-weight:600;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--mist);
}
.eyebrow::before{
  content:"";
  flex:0 0 auto;
  width:20px;height:2px;
  background:var(--neon);
  transform:skewX(-6deg);
}

.section-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(26px,3.4vw,44px);
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--chalk);
  transform:skewX(-6deg);
  transform-origin:left center;
}

.lede{
  max-width:68ch;
  font-size:clamp(15.5px,1.1vw + 13px,18px);
  line-height:1.8;
  color:#B9D5C2;
}

.prose{
  max-width:68ch;
  font-size:clamp(16px,1vw + 13px,17.5px);
  line-height:1.75;
  color:#D0E8D8;
}
.prose h2,.prose h3{margin:1.6em 0 .6em;transform:none;}
.prose h3{font-size:clamp(19px,2vw,24px);}
.prose p{margin:0 0 1.15em;}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.3em;}
.prose li{margin-bottom:.4em;}

/* ===================== 网格 ===================== */
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:clamp(14px,2.2vw,26px);
}
.g-3,.g-4,.g-5,.g-6,.g-7,.g-8,.g-9,.g-12{grid-column:span 12;}

@media (min-width:760px){
  .g-3{grid-column:span 3;}
  .g-4{grid-column:span 4;}
  .g-5{grid-column:span 5;}
  .g-6{grid-column:span 6;}
  .g-7{grid-column:span 7;}
  .g-8{grid-column:span 8;}
  .g-9{grid-column:span 9;}
  .g-12{grid-column:span 12;}
}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  background:transparent;
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  line-height:1;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{
  background:var(--neon);
  color:#06170F;
  border-color:var(--neon);
}
.btn-primary:hover{
  background:#DBFF7E;
  color:#06170F;
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(198,255,61,.22);
}
.btn-ghost{
  background:transparent;
  color:var(--chalk);
  border-color:var(--rule-strong);
}
.btn-ghost:hover{
  color:var(--neon);
  border-color:var(--neon);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 16px;font-size:13.5px;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--neon);
}
.link-more::after{
  content:"\2192";
  transition:transform .2s var(--ease);
}
.link-more:hover::after{transform:translateX(4px);}

/* ===================== 头部 ===================== */
.skip-link{
  position:fixed;
  top:8px;left:8px;
  z-index:200;
  transform:translateY(-180%);
  padding:10px 16px;
  background:var(--neon);
  color:#06170F;
  border:1px solid var(--neon);
  font-family:var(--font-display);
  font-weight:700;
  font-size:14px;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#06170F;}

.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:linear-gradient(180deg,rgba(7,26,19,.9) 0%,rgba(7,26,19,.55) 58%,rgba(7,26,19,0) 100%);
  border-bottom:1px solid transparent;
  transition:background .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.site-header.is-stuck{
  background:rgba(7,26,19,.95);
  border-bottom-color:var(--rule-strong);
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
}

.header-progress{
  position:absolute;
  left:0;bottom:-1px;
  width:100%;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--amber));
  transform:scaleX(0);
  transform-origin:0 50%;
  box-shadow:0 0 12px rgba(198,255,61,.5);
  pointer-events:none;
}

.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,26px);
  min-height:var(--header-h);
  transition:min-height .3s var(--ease);
}
.site-header.is-stuck .header-inner{min-height:calc(var(--header-h) - 12px);}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  padding-block:10px;
  color:var(--chalk);
}
.brand:hover{color:var(--chalk);}
.brand-mark{
  width:11px;height:11px;
  flex:0 0 auto;
  background:var(--neon);
  transform:skewX(-6deg);
  box-shadow:0 0 12px rgba(198,255,61,.75);
}
.brand-text{display:flex;flex-direction:column;gap:1px;line-height:1.15;}
.brand-line{
  font-family:var(--font-display);
  font-weight:900;
  font-size:15px;
  letter-spacing:-.01em;
  color:var(--chalk);
}
.brand-tagline{
  font-family:var(--font-serif);
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--mist);
}

.site-nav{
  flex:1 1 auto;
  display:flex;
  justify-content:center;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.5vw,20px);
  list-style:none;
  margin:0;padding:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-family:var(--font-display);
  font-weight:500;
  font-size:14.5px;
  letter-spacing:.02em;
  color:var(--mist);
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--neon);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--chalk);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--chalk);font-weight:700;}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}

.header-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.round-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  background:rgba(14,42,31,.55);
  border:1px solid var(--rule);
  color:var(--chalk);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.round-chip:hover{border-color:var(--neon);color:var(--neon);}
.round-chip-dot{
  width:7px;height:7px;
  flex:0 0 auto;
  background:var(--ember);
  box-shadow:0 0 8px rgba(255,92,54,.8);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  background:rgba(14,42,31,.7);
  border:1px solid var(--rule-strong);
  color:var(--chalk);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle-bar{
  display:block;
  width:16px;height:2px;
  background:currentColor;
}
.nav-toggle[aria-expanded="true"]{border-color:var(--neon);color:var(--neon);}

/* ===================== 页脚 ===================== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,9vw,110px);
  background:var(--turf);
  border-top:1px solid var(--rule-strong);
  color:var(--mist);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent 0%,var(--neon) 22%,var(--amber) 58%,transparent 100%);
  opacity:.75;
}
.footer-inner{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(38px,6vw,72px) var(--gutter) 24px;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  gap:clamp(28px,4vw,64px);
  padding-bottom:clamp(26px,3.4vw,44px);
  border-bottom:1px solid var(--rule);
}
.footer-brand{flex:1 1 260px;max-width:340px;}
.footer-brand-name{
  margin:0 0 4px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  letter-spacing:-.01em;
  color:var(--chalk);
}
.footer-brand-domain{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--neon);
}
.footer-brand-note{
  margin:0;
  max-width:34ch;
  font-size:14px;
  line-height:1.8;
  color:var(--mist);
}
.footer-cols{
  flex:2 1 520px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(122px,1fr));
  gap:clamp(18px,2.4vw,32px);
}
.footer-col-title{
  margin:0 0 12px;
  font-family:var(--font-serif);
  font-weight:600;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--chalk);
}
.footer-links{
  list-style:none;
  margin:0;padding:0;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.footer-links a{
  color:var(--mist);
  font-size:14px;
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--neon);}

.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  padding-top:20px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--mist);
}
.footer-contact-item{color:var(--mist);}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px 20px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--rule);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(147,172,157,.85);
}
.footer-year{color:rgba(147,172,157,.85);}

/* ===================== 卡片与数据 ===================== */
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:clamp(18px,2.2vw,26px);
  background:var(--turf);
  border:1px solid var(--rule);
  box-shadow:var(--shadow);
  color:#D0E8D8;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.card:hover,.card:focus-within{
  border-color:var(--neon);
  transform:translateY(-4px);
  box-shadow:var(--shadow-lift);
}
a.card{color:#D0E8D8;}
.card-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(17px,1.4vw + 12px,20px);
  line-height:1.35;
  color:var(--chalk);
}
.card-meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}

.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:clamp(18px,3vw,42px);
}
.stat{display:flex;flex-direction:column;gap:4px;}
.stat-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums slashed-zero;
  font-weight:700;
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.05;
  letter-spacing:-.02em;
  color:var(--chalk);
}
.stat-num.text-neon{color:var(--neon);}
.stat-label{
  font-size:13px;
  letter-spacing:.06em;
  color:var(--mist);
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  border:1px solid var(--rule);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  line-height:1.6;
}
.badge-goal{
  color:var(--ember);
  border-color:rgba(255,92,54,.45);
  background:rgba(255,92,54,.1);
}
.badge-sub{
  color:var(--amber);
  border-color:rgba(255,194,75,.4);
  background:rgba(255,194,75,.08);
}
.badge-away{
  color:var(--amber);
  border-color:rgba(255,194,75,.4);
  background:rgba(255,194,75,.06);
}
.badge-live{
  color:#06170F;
  background:var(--neon);
  border-color:var(--neon);
}

/* ===================== 图形母题 ===================== */
.rule{
  position:relative;
  height:1px;
  margin-block:clamp(28px,4vw,52px);
  background:var(--rule);
}
.rule::before{
  content:"";
  position:absolute;
  top:-4px;left:0;right:0;
  height:9px;
  background-image:repeating-linear-gradient(90deg,var(--rule-strong) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.slant-rule{
  height:1px;
  border:0;
  margin-block:clamp(24px,3.4vw,44px);
  background:linear-gradient(90deg,var(--neon),transparent 62%);
  transform:skewX(-6deg);
  transform-origin:left center;
}

/* ===================== 图片容器 ===================== */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--rule);
  background-color:var(--line-green);
}
.media--wide{aspect-ratio:21 / 9;}
.media--tall{aspect-ratio:4 / 5;}
.media--square{aspect-ratio:1 / 1;}
.media > img,
.media-img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.82) contrast(1.08) brightness(.78);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(7,26,19,.18) 0%,rgba(7,26,19,.6) 100%);
}
.media-ph{
  display:grid;
  place-items:center;
  text-align:center;
  padding:16px;
  background-image:
    linear-gradient(rgba(216,242,222,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(216,242,222,.07) 1px,transparent 1px);
  background-size:36px 36px;
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
}
.media-ph > *{position:relative;z-index:1;}
.media-caption{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:var(--mist);
}

/* ===================== 面包屑 ===================== */
.crumb{padding-top:clamp(16px,2vw,26px);}
.crumb-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0;padding:0;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--mist);
}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li:not(:last-child)::after{
  content:"/";
  color:rgba(216,242,222,.3);
}
.crumb-list a{color:var(--mist);}
.crumb-list a:hover{color:var(--neon);}
.crumb-list [aria-current="page"]{color:var(--chalk);}

/* ===================== 显现与数字 ===================== */
.js-on [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.js-on [data-reveal].is-in{
  opacity:1;
  transform:none;
}

/* ===================== 响应式 ===================== */
@media (max-width:1180px){
  .round-chip{display:none;}
}

@media (max-width:1080px){
  .nav-link{font-size:13.5px;}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex;}

  .site-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:block;
    padding:10px var(--gutter) 22px;
    background:rgba(7,26,19,.98);
    border-top:1px solid var(--rule);
    border-bottom:1px solid var(--rule-strong);
    box-shadow:var(--shadow-lift);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s linear;
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-link{
    display:block;
    padding:15px 2px;
    font-size:17px;
    border-bottom:1px solid var(--rule);
    color:var(--chalk);
  }
  .nav-link::after{display:none;}
  .nav-link[aria-current="page"]{color:var(--neon);}
  .nav-link[aria-current="page"]::before{
    content:"";
    display:inline-block;
    width:8px;height:8px;
    margin-right:10px;
    vertical-align:middle;
    background:var(--neon);
    transform:skewX(-6deg);
  }

  .section-title{transform:skewX(-4deg);}
  .slant-rule{transform:skewX(-4deg);}
}

@media (max-width:640px){
  .brand-tagline{display:none;}
  .header-meta{display:none;}
  .brand-line{font-size:14px;}
  .footer-top{flex-direction:column;}
  .footer-brand{max-width:none;}
  .footer-cols{grid-template-columns:repeat(2,1fr);}
}

/* ===================== 动效降级 ===================== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-on [data-reveal]{
    opacity:1 !important;
    transform:none !important;
    transition:none !important;
  }
  .site-header,.header-inner{transition:none !important;}
}