*,*::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,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:root{
  --ink:#071E1A;
  --ink-2:#0C2B24;
  --ink-3:#14443A;
  --ink-4:#1B5748;
  --lime:#C9FF4A;
  --lime-mist:#E6FFB0;
  --paper:#F6F1E6;
  --paper-2:#EFE9DA;
  --carbon:#161A18;
  --moss:#5E736B;
  --amber:#FFB547;
  --coral:#FF6B5E;
  --rail-w:96px;
  --rail-w-open:220px;
  --edge:clamp(18px,4vw,56px);
  --line:rgba(201,255,74,.16);
  --line-soft:rgba(246,241,230,.12);
  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Consolas,"Liberation Mono","Courier New",monospace;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,"Times New Roman",serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
html.is-nav-open{overflow:hidden}
body{
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,rgba(201,255,74,.042) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(201,255,74,.042) 1px,transparent 1px);
  background-size:96px 96px;
  background-position:center top;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px}
#main-content{scroll-margin-top:84px}
::selection{background:var(--lime);color:var(--ink)}

/* ---------- 排版工具 ---------- */
.h-display{font-family:var(--font-display);font-weight:900;font-size:clamp(40px,7.2vw,76px);line-height:.94;letter-spacing:-.035em;text-wrap:balance}
.h1{font-family:var(--font-display);font-weight:900;font-size:clamp(30px,4.4vw,46px);line-height:1.06;letter-spacing:-.022em;text-wrap:balance}
.h2{font-family:var(--font-display);font-weight:900;font-size:clamp(22px,2.8vw,30px);line-height:1.18;letter-spacing:-.016em}
.h3{font-family:var(--font-display);font-weight:800;font-size:clamp(17px,1.9vw,20px);line-height:1.32;letter-spacing:-.006em}
.lede{font-size:clamp(16px,1.7vw,19px);line-height:1.75;color:rgba(246,241,230,.74)}
.serif-quote{font-family:var(--font-serif);font-size:clamp(20px,2.6vw,30px);line-height:1.52;letter-spacing:.005em}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--lime)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--lime)}
.rule{height:1px;background:var(--line-soft);border:0}

/* ---------- 容器与分区 ---------- */
.wrap{width:100%;max-width:1280px;margin-inline:auto;padding-inline:var(--edge)}
.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(30px,4vw,56px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:3px;border:1px solid transparent;
  font-family:var(--font-body);font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--lime-mist)}
.btn--ghost{border-color:rgba(246,241,230,.26);color:var(--paper)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--dark{background:var(--ink);color:var(--paper)}
.btn--dark:hover{background:var(--ink-3)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:2px;white-space:nowrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  border:1px solid var(--line);color:var(--lime-mist);background:rgba(201,255,74,.07);
}
.tag--live{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
.tag--amber{background:rgba(255,181,71,.14);border-color:rgba(255,181,71,.5);color:var(--amber)}
.tag--coral{background:rgba(255,107,94,.14);border-color:rgba(255,107,94,.5);color:var(--coral)}
.tag--mute{background:rgba(246,241,230,.06);border-color:var(--line-soft);color:var(--moss)}

/* ---------- 面板 ---------- */
.panel{
  background:var(--ink-3);border:1px solid var(--line);border-radius:4px;
  padding:clamp(18px,2.4vw,28px);
}
.panel--paper{background:var(--paper);color:var(--carbon);border-color:rgba(22,26,24,.12)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--moss)}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";color:rgba(94,115,107,.55)}
.breadcrumb a{color:var(--moss);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;isolation:isolate;overflow:hidden;border-radius:4px;
  background:linear-gradient(152deg,var(--ink-3) 0%,var(--ink) 72%);
  border:1px solid rgba(201,255,74,.1);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background-image:
    linear-gradient(to right,rgba(201,255,74,.09) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(201,255,74,.09) 1px,transparent 1px);
  background-size:38px 38px;
  opacity:.55;
}
.media>img{width:100%;height:100%;object-fit:cover;display:block;position:relative;z-index:1}
.media--21x9{aspect-ratio:21/9}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--tilt{clip-path:polygon(0 0,100% 0,100% 88%,88% 100%,0 100%)}

/* ---------- 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .62s var(--ease),transform .62s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ================= 页头 ================= */
.site-header{position:relative;z-index:100}
.skip-link{
  position:fixed;top:10px;left:12px;z-index:300;
  padding:10px 18px;border-radius:3px;
  background:var(--lime);color:var(--ink);
  font-weight:700;font-size:14px;letter-spacing:.02em;
  transform:translateY(-180%);
  transition:transform .22s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0)}

/* --- 左侧轨道 --- */
.rail{
  position:fixed;top:0;left:0;bottom:0;z-index:120;
  width:var(--rail-w);
  display:flex;flex-direction:column;
  padding:22px 0 20px;
  background:linear-gradient(180deg,var(--ink-2) 0%,var(--ink) 72%);
  border-right:1px solid var(--line);
  overflow:hidden;
  transition:width .42s var(--ease),box-shadow .42s var(--ease);
}
.rail__brand{display:flex;align-items:center;justify-content:center;gap:10px;padding:0 10px}
.rail__logo{display:flex;align-items:center;gap:12px;border-radius:3px}
.rail__mark{
  flex:0 0 auto;width:48px;height:48px;
  display:grid;place-items:center;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:-.05em;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.rail__name{
  font-family:var(--font-display);font-weight:900;font-size:15.5px;letter-spacing:-.01em;
  white-space:nowrap;color:var(--paper);
  opacity:0;transform:translateX(-8px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.rail__close{display:none}

.rail__nav{flex:1 1 auto;min-height:0;margin-top:clamp(22px,4vh,42px);overflow-y:auto;overflow-x:hidden;scrollbar-width:thin}
.rail__list{display:flex;flex-direction:column;gap:2px;padding:0 10px}
.rail__link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:13px 10px;border-radius:3px;
  color:rgba(246,241,230,.62);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.rail__idx{
  flex:0 0 auto;width:22px;text-align:center;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--moss);
  transition:color .22s var(--ease);
}
.rail__label{
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  opacity:0;transform:translateX(-8px);
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.rail__link:hover{color:var(--lime-mist);background:rgba(246,241,230,.055)}
.rail__link:hover .rail__idx{color:var(--lime-mist)}
.rail__link[aria-current="page"]{color:var(--lime);background:rgba(201,255,74,.09)}
.rail__link[aria-current="page"] .rail__idx{color:var(--lime)}
.rail__link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:50%;translate:0 -50%;
  width:3px;height:22px;border-radius:0 2px 2px 0;background:var(--lime);
}

.rail__foot{display:flex;flex-direction:column;gap:8px;padding:14px 10px 0}
.rail__badge{
  font-family:var(--font-mono);font-size:10.5px;line-height:1.55;letter-spacing:.04em;
  color:var(--moss);border-left:2px solid var(--ink-4);padding-left:8px;
  opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);
}
.rail__cta{
  display:flex;align-items:center;justify-content:center;
  padding:11px 8px;border-radius:3px;border:1px solid transparent;
  font-size:13.5px;font-weight:700;white-space:nowrap;
  opacity:0;pointer-events:none;transform:translateX(-6px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.rail__cta--lime{background:var(--lime);color:var(--ink)}
.rail__cta--lime:hover{background:var(--lime-mist)}
.rail__cta--ghost{border-color:rgba(246,241,230,.24);color:var(--paper)}
.rail__cta--ghost:hover{border-color:var(--lime);color:var(--lime)}

.rail__progress{
  position:absolute;top:0;right:0;width:2px;height:100%;
  background:var(--lime);opacity:.85;
  transform:scaleY(0);transform-origin:top;
  will-change:transform;
}

/* --- 移动端顶部条 --- */
.mobile-bar{
  position:fixed;top:0;left:0;right:0;z-index:110;
  height:60px;padding:0 14px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(7,30,26,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.mobile-bar__brand{display:flex;align-items:center;gap:10px;border-radius:3px}
.mobile-bar__mark{
  width:34px;height:34px;display:grid;place-items:center;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-display);font-weight:900;font-size:13px;letter-spacing:-.05em;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.mobile-bar__name{font-family:var(--font-display);font-weight:900;font-size:15px;letter-spacing:-.01em;color:var(--paper)}
.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 13px;border:1px solid var(--line);border-radius:3px;
  background:rgba(201,255,74,.07);color:var(--lime);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
}
.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after{
  display:block;width:18px;height:2px;border-radius:2px;background:currentColor;
}
.nav-toggle__icon{position:relative;transition:background .2s var(--ease)}
.nav-toggle__icon::before,.nav-toggle__icon::after{content:"";position:absolute;left:0;transition:transform .24s var(--ease),top .24s var(--ease)}
.nav-toggle__icon::before{top:-6px}
.nav-toggle__icon::after{top:6px}
.site-header[data-open] .nav-toggle__icon{background:transparent}
.site-header[data-open] .nav-toggle__icon::before{top:0;transform:rotate(45deg)}
.site-header[data-open] .nav-toggle__icon::after{top:0;transform:rotate(-45deg)}

/* --- 移动端遮罩 --- */
.nav-scrim{display:none}

/* ================= 页脚 ================= */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(56px,9vw,120px);
  padding:clamp(40px,6vw,72px) 0 clamp(22px,3vw,34px);
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 56%,var(--ink) 100%);
  border-top:1px solid var(--line);
  color:rgba(246,241,230,.72);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(201,255,74,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(201,255,74,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 88%);
  mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.site-footer::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent 0%,var(--lime) 34%,transparent 88%);
  opacity:.7;pointer-events:none;
}
.site-footer .wrap{position:relative;z-index:1}
.footer__top{
  display:grid;gap:clamp(28px,4vw,48px);grid-template-columns:1fr;
  padding-bottom:clamp(26px,4vw,44px);
  border-bottom:1px solid var(--line-soft);
}
.footer__brand{min-width:0}
.footer__mark{
  display:inline-grid;place-items:center;width:46px;height:46px;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-display);font-weight:900;font-size:16px;letter-spacing:-.05em;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.footer__wordmark{
  margin-top:16px;
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(34px,8vw,84px);line-height:.9;letter-spacing:-.045em;
  color:var(--paper);
}
.footer__tagline{
  margin-top:12px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--moss);
}
.footer__col{min-width:0}
.footer__colTitle{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);padding-bottom:10px;margin-bottom:14px;
  border-bottom:1px solid var(--line-soft);
}
.footer__links{display:flex;flex-direction:column;gap:9px}
.footer__link{
  display:inline-block;font-size:14.5px;color:rgba(246,241,230,.68);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer__link:hover{color:var(--lime);transform:translateX(3px)}
.footer__link[aria-current="page"]{color:var(--lime)}
.footer__contact{display:grid;gap:11px;margin:0}
.footer__contactRow{display:grid;gap:1px}
.footer__contactRow dt{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--moss);
}
.footer__contactRow dd{margin:0;font-size:14.5px;color:rgba(246,241,230,.84);overflow-wrap:anywhere}
.footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 24px;padding-top:clamp(18px,3vw,28px);
  font-size:13px;color:var(--moss);
}
.footer__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em}
.footer__dot{width:3px;height:3px;border-radius:50%;background:var(--moss);opacity:.7}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid var(--line);border-radius:2px;
  background:rgba(201,255,74,.06);color:var(--lime-mist);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

/* ================= 断点 ================= */
@media (min-width:900px){
  body{padding-left:var(--rail-w)}
  .skip-link{left:calc(var(--rail-w) + 12px)}
  .mobile-bar{display:none}
  .rail:hover,.rail:focus-within{
    width:var(--rail-w-open);
    box-shadow:26px 0 66px -22px rgba(0,0,0,.72);
  }
  .rail:hover .rail__name,.rail:focus-within .rail__name,
  .rail:hover .rail__label,.rail:focus-within .rail__label,
  .rail:hover .rail__badge,.rail:focus-within .rail__badge,
  .rail:hover .rail__cta,.rail:focus-within .rail__cta{
    opacity:1;transform:none;pointer-events:auto;
  }
  .rail:hover .rail__brand,.rail:focus-within .rail__brand{justify-content:flex-start}
}
@media (min-width:760px){
  .footer__top{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.15fr)}
}
@media (max-width:899px){
  body{padding-top:60px}
  .rail{
    width:min(86vw,320px);
    padding-top:16px;
    transform:translateX(-104%);
    box-shadow:none;
    transition:transform .38s var(--ease);
  }
  .site-header[data-open] .rail{
    transform:none;
    box-shadow:30px 0 74px -20px rgba(0,0,0,.78);
  }
  .rail__brand{justify-content:space-between;padding:0 14px}
  .rail__name,.rail__label,.rail__badge,.rail__cta{opacity:1;transform:none;pointer-events:auto}
  .rail__list{padding:0 12px}
  .rail__link{padding:14px 12px;min-height:48px}
  .rail__label{font-size:15.5px}
  .rail__foot{padding:14px 12px 0;margin-top:16px;border-top:1px solid var(--line-soft)}
  .rail__close{
    display:inline-flex;align-items:center;justify-content:center;
    padding:7px 12px;border:1px solid var(--line);border-radius:3px;
    font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
    color:var(--lime-mist);background:rgba(201,255,74,.07);
  }
  .rail__progress{display:none}
  .site-header[data-open] .nav-scrim{
    display:block;position:fixed;inset:0;z-index:115;
    background:rgba(7,30,26,.72);
    -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
    animation:scrimIn .3s var(--ease) both;
  }
  @keyframes scrimIn{from{opacity:0}to{opacity:1}}
}
@media (max-width:599px){
  body{font-size:16px}
  .footer__base{flex-direction:column;align-items:flex-start}
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .btn:hover,.footer__link:hover{transform:none}
  [data-reveal]{opacity:1;transform:none}
  .rail,.rail:hover,.rail:focus-within{transition:none}
}