/* ============ 01 基础重置 ============ */
*,
*::before,
*::after{box-sizing:border-box}
html{color-scheme:dark;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh}
img,svg{max-width:100%;display:block}
ul,ol{margin:0}
button{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px}
::selection{background:var(--lime);color:var(--ink)}

/* ============ 02 设计变量 ============ */
:root{
  --ink:#0B1F1A;
  --ink-2:#12302A;
  --ink-3:#1B473B;
  --lime:#C6FF3D;
  --amber:#E8A93B;
  --steel:#7C93A8;
  --ember:#F2743C;
  --paper:#EAF3EE;
  --mute:#9DB3AB;
  --line:#2E5C4F;
  --glass:rgba(234,243,238,.055);
  --glass-line:rgba(198,255,61,.16);
  --shell:1240px;
  --bar-h:76px;
  --bar-h-sm:56px;
  --r:2px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular","JetBrains Mono",Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ============ 03 页面底色与中文排版 ============ */
body{
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 460px at 84% -12%, rgba(198,255,61,.10), transparent 62%),
    radial-gradient(720px 420px at 2% 6%, rgba(232,169,59,.07), transparent 64%),
    radial-gradient(1200px 700px at 50% 120%, rgba(27,71,59,.55), transparent 70%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:clamp(15px,.5vw + 14px,17px);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
}
h1,h2,h3,h4{margin:0 0 .55em;font-weight:900;letter-spacing:-.02em;line-height:1.12;color:var(--paper)}
h1{font-size:clamp(2.1rem,5vw,4rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem)}
h3{font-size:clamp(1.15rem,1.6vw,1.4rem)}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}

/* ============ 04 布局工具 ============ */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,3.5vw,40px)}
.layout{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,28px)}
.layout__main{grid-column:1 / 8;min-width:0}
.layout__side{grid-column:9 / 13;min-width:0}

/* ============ 05 跳转链接 ============ */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:120;
  transform:translateY(-180%);
  background:var(--lime);color:var(--ink);
  padding:10px 18px;border-radius:var(--r);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  transition:transform 160ms var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ============ 06 命令栏头部 ============ */
.cmdbar{
  position:sticky;top:0;z-index:80;
  background:rgba(11,31,26,.88);
  -webkit-backdrop-filter:blur(16px) saturate(1.25);
  backdrop-filter:blur(16px) saturate(1.25);
  border-bottom:1px solid var(--line);
  transition:background-color 160ms var(--ease),border-color 160ms var(--ease);
}
.cmdbar[data-condensed]{
  background:rgba(11,31,26,.96);
  border-bottom-color:rgba(198,255,61,.28);
}
.cmdbar__progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;z-index:2;
  background:var(--lime);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform 90ms linear;
  pointer-events:none;
}
.cmdbar__inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,26px);
  min-height:var(--bar-h);
  transition:min-height 180ms var(--ease);
}
.cmdbar[data-condensed] .cmdbar__inner{min-height:var(--bar-h-sm)}
.cmdbar__brand{display:flex;align-items:center;gap:14px;min-width:0}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--paper);font-size:15px;font-weight:900;letter-spacing:-.01em;line-height:1}
.brand__mark{
  position:relative;flex:0 0 auto;width:22px;height:22px;
  background:var(--ink-3);border:1px solid var(--line);border-radius:1px;
  transition:width 180ms var(--ease),height 180ms var(--ease),border-color 160ms var(--ease);
}
.brand__mark::before{
  content:"";position:absolute;top:4px;right:4px;width:6px;height:6px;background:var(--lime);
}
.brand__mark::after{
  content:"";position:absolute;left:4px;right:4px;bottom:5px;height:2px;
  background:var(--lime);box-shadow:0 -4px 0 rgba(198,255,61,.35);
}
.brand:hover .brand__mark{border-color:var(--lime)}
.cmdbar[data-condensed] .brand__mark{width:18px;height:18px}
.brand__word{white-space:nowrap}
.brand__tail{color:var(--lime);margin-left:2px}

.lamp{
  display:inline-flex;align-items:center;gap:7px;margin:0;
  padding:4px 10px 4px 8px;border:1px solid var(--line);border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--mute);white-space:nowrap;
  transition:border-color 160ms var(--ease),color 160ms var(--ease);
}
.lamp__dot{
  width:6px;height:6px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 3px rgba(198,255,61,.16);
}
.lamp:hover{border-color:rgba(198,255,61,.5);color:var(--paper)}
.lamp[data-state="rest"] .lamp__dot{background:var(--steel);box-shadow:0 0 0 3px rgba(124,147,168,.16)}

.navtoggle{
  display:none;align-items:center;gap:8px;
  background:transparent;border:1px solid var(--line);border-radius:var(--r);
  color:var(--paper);padding:8px 12px;cursor:pointer;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  transition:background-color 160ms var(--ease),border-color 160ms var(--ease),color 160ms var(--ease);
}
.navtoggle:hover{border-color:var(--lime);color:var(--lime)}
.navtoggle[aria-expanded="true"]{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.navtoggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:14px}
.navtoggle__bars span{display:block;height:2px;background:currentColor;transition:transform 160ms var(--ease),opacity 160ms var(--ease)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(2){opacity:0}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.cmdnav{display:flex;align-items:center;gap:16px;margin-left:auto;min-width:0}
.cmdnav__list{display:flex;align-items:center;gap:2px;list-style:none;padding:0;margin:0}
.cmdnav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 11px;border-radius:var(--r);
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--mute);
  white-space:nowrap;
  transition:color 160ms var(--ease),background-color 160ms var(--ease);
}
.cmdnav__link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform 160ms var(--ease);
}
.cmdnav__link:hover{color:var(--paper)}
.cmdnav__link:hover::after{transform:scaleX(1)}
.cmdnav__link[aria-current="page"]{background:var(--lime);color:var(--ink)}
.cmdnav__link[aria-current="page"]::after{transform:scaleX(0)}
.cmdnav__idx{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:0;opacity:.5}
.cmdnav__link[aria-current="page"] .cmdnav__idx{opacity:.75}
.cmdnav__actions{
  display:flex;align-items:center;gap:8px;
  padding-left:16px;border-left:1px solid var(--line);
}
.cmdnav__actions .btn{white-space:nowrap}

/* ============ 07 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border:1px solid transparent;border-radius:var(--r);
  background:transparent;color:var(--paper);cursor:pointer;
  font-family:inherit;font-size:13px;font-weight:700;letter-spacing:.06em;line-height:1;
  transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 160ms var(--ease),box-shadow 160ms var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--sm{padding:7px 12px;font-size:12px}
.btn--lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--paper);border-color:var(--paper);box-shadow:0 0 0 3px rgba(198,255,61,.2)}
.btn--ghost{background:rgba(234,243,238,.04);border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(198,255,61,.08)}
.btn--ghost[aria-pressed="true"]{background:var(--amber);border-color:var(--amber);color:var(--ink)}
.btn--ghost[aria-pressed="true"]:hover{background:var(--amber);color:var(--ink)}

/* ============ 08 页脚 ============ */
.foot{
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,rgba(18,48,42,.92) 0%,var(--ink-2) 60%,#0E2620 100%);
  border-top:1px solid var(--line);
  color:var(--paper);
}
.foot__grid{
  display:grid;grid-template-columns:1.55fr .8fr .8fr 1.35fr;
  gap:clamp(24px,3vw,44px);
  padding-block:clamp(40px,5vw,64px) clamp(26px,4vw,40px);
}
.foot__col{min-width:0}
.foot__col--brand{max-width:36ch}
.brand--foot{font-size:16px}
.brand--foot .brand__mark{width:26px;height:26px}
.foot__motto{
  margin:18px 0 10px;
  font-size:clamp(20px,2.4vw,26px);font-weight:900;letter-spacing:-.02em;line-height:1.28;color:var(--paper);
}
.foot__motto span{color:var(--lime)}
.foot__note{margin:0;font-size:13px;line-height:1.7;color:var(--mute)}
.foot__title{
  display:flex;align-items:center;gap:8px;
  margin:0 0 14px;
  font-size:11px;font-weight:700;letter-spacing:.18em;line-height:1;color:var(--lime);
}
.foot__title::before{content:"";width:8px;height:2px;background:var(--amber);flex:0 0 auto}
.foot__list{list-style:none;padding:0;display:grid;gap:9px}
.foot__list a{
  position:relative;display:inline-block;
  font-size:14px;color:var(--mute);
  transition:color 160ms var(--ease);
}
.foot__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform 160ms var(--ease);
}
.foot__list a:hover{color:var(--paper)}
.foot__list a:hover::after{transform:scaleX(1)}
.foot__contact{list-style:none;padding:0;display:grid;gap:12px}
.foot__contact li{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 10px}
.foot__k{
  flex:0 0 auto;
  padding:2px 6px;border:1px solid var(--line);border-radius:1px;
  font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--mute);
}
.foot__v{font-size:14px;color:var(--paper);word-break:break-all}
.foot__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  padding-block:16px 24px;border-top:1px solid var(--line);
  font-size:12px;letter-spacing:.02em;color:var(--mute);
}
.foot__bottom p{margin:0}

/* ============ 09 通用内容组件 ============ */
.num{
  font-family:var(--font-mono);font-weight:600;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.big-num{
  display:block;
  font-family:var(--font-mono);font-weight:600;
  font-size:clamp(2.6rem,7vw,5.4rem);line-height:.9;letter-spacing:-.03em;
  color:var(--lime);font-variant-numeric:tabular-nums;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin:0 0 12px;
  font-size:11px;font-weight:700;letter-spacing:.18em;line-height:1;color:var(--lime);
}
.eyebrow::before{content:"";width:16px;height:2px;background:currentColor}
.lede{
  margin:0 0 1.2em;
  max-width:34em;
  font-size:clamp(17px,1.4vw,20px);line-height:1.7;color:var(--paper);
}
.prose{max-width:38em;line-height:1.8;color:rgba(234,243,238,.86)}
.prose p{margin:0 0 1.1em}

.panel{
  position:relative;
  padding:clamp(16px,2vw,24px);
  background:var(--ink-2);
  border:1px solid var(--line);border-radius:var(--r);
  transition:border-color 160ms var(--ease),transform 160ms var(--ease),background-color 160ms var(--ease);
}
.panel:hover{border-color:var(--lime);transform:translateY(-2px)}
.panel--glass{
  background:var(--glass);
  border-color:var(--glass-line);
  -webkit-backdrop-filter:blur(10px) saturate(1.15);
  backdrop-filter:blur(10px) saturate(1.15);
}
.panel--solid{background:var(--ink-3);border-color:transparent}
.panel--solid:hover{border-color:var(--lime)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--line);border-radius:1px;
  font-size:11px;font-weight:700;letter-spacing:.08em;line-height:1.5;color:var(--mute);
  transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease);
}
.tag--lime{color:var(--lime);border-color:rgba(198,255,61,.45);background:rgba(198,255,61,.1)}
.tag--amber{color:var(--amber);border-color:rgba(232,169,59,.45);background:rgba(232,169,59,.1)}
.tag--steel{color:var(--steel);border-color:rgba(124,147,168,.45);background:rgba(124,147,168,.1)}
.tag:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

.figure{
  position:relative;margin:0;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(150deg,var(--ink-3),#0E2620 70%);
}
.figure__media{
  position:relative;z-index:0;display:block;width:100%;
  aspect-ratio:16 / 9;object-fit:cover;
  filter:saturate(.62) contrast(1.06) brightness(.94);
  transition:filter 160ms var(--ease);
}
.figure:hover .figure__media{filter:saturate(.78) contrast(1.08) brightness(1)}
.figure::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(11,31,26,0) 42%,rgba(11,31,26,.74) 100%),
    linear-gradient(96deg,rgba(198,255,61,.14) 0%,rgba(11,31,26,0) 46%);
}
.figure__cap{
  position:relative;z-index:1;display:block;
  padding:10px 12px;border-top:1px solid rgba(46,92,79,.6);
  background:rgba(11,31,26,.6);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;color:var(--mute);
}
.figure--wide .figure__media{aspect-ratio:21 / 9}
.figure--tall .figure__media{aspect-ratio:4 / 5}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0 0 18px;padding:0;list-style:none;
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--mute);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--mute);transition:color 160ms var(--ease)}
.crumbs a:hover{color:var(--lime)}
.crumbs [aria-current="page"]{color:var(--paper)}

.filterbar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.chip{
  appearance:none;cursor:pointer;
  padding:6px 12px;border:1px solid var(--line);border-radius:var(--r);
  background:transparent;color:var(--mute);
  font-family:inherit;font-size:12px;font-weight:700;letter-spacing:.08em;line-height:1.4;
  transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease);
}
.chip:hover{color:var(--paper);border-color:var(--mute)}
.chip[aria-pressed="true"]{background:var(--lime);border-color:var(--lime);color:var(--ink)}
[data-filter-item][hidden]{display:none}

.toast{
  position:fixed;left:50%;bottom:26px;z-index:110;
  transform:translate(-50%,14px);
  padding:10px 18px;border-radius:var(--r);
  background:var(--lime);color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  opacity:0;pointer-events:none;
  transition:opacity 160ms var(--ease),transform 160ms var(--ease);
}
.toast[data-show="true"]{opacity:1;transform:translate(-50%,0)}

/* ============ 10 平板与手机 ============ */
@media (max-width:1080px){
  .lamp{display:none}
  .cmdnav__idx{display:none}
}
@media (max-width:960px){
  .layout__main,.layout__side{grid-column:1 / -1}
  .cmdbar__inner{flex-wrap:wrap;gap:10px;min-height:64px}
  .cmdbar[data-condensed] .cmdbar__inner{min-height:56px}
  .navtoggle{display:inline-flex;margin-left:auto}
  .cmdnav{
    position:absolute;top:100%;left:0;right:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:0 clamp(16px,3.5vw,40px);
    max-height:0;overflow:hidden;
    background:var(--ink-2);border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.45);
    transition:max-height 180ms var(--ease),padding 180ms var(--ease);
  }
  .cmdnav[data-open="true"]{
    max-height:min(78vh,560px);overflow-y:auto;
    padding-block:10px 18px;
  }
  .cmdnav__list{flex-direction:column;align-items:stretch;gap:0}
  .cmdnav__link{
    padding:13px 10px;font-size:15px;color:var(--paper);
    border-bottom:1px solid rgba(46,92,79,.55);border-radius:0;
  }
  .cmdnav__link::after{display:none}
  .cmdnav__link[aria-current="page"]{background:var(--lime);color:var(--ink)}
  .cmdnav__actions{
    flex-wrap:wrap;padding:14px 0 0;border-left:0;
  }
  .cmdnav__actions .btn{flex:1 1 140px}
  .foot__grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot__col--brand{grid-column:1 / -1;max-width:none}
}
@media (max-width:680px){
  .foot__grid{grid-template-columns:1fr}
  .foot__bottom{flex-direction:column;gap:6px}
  .big-num{font-size:clamp(2.2rem,13vw,3.4rem)}
}

/* ============ 11 降低动效 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
  }
  .panel:hover,
  .btn:hover{transform:none}
  .figure:hover .figure__media{filter:saturate(.62) contrast(1.06) brightness(.94)}
}