/* ==========================================================================
   博鱼体育主站 · 共享样式表 /assets/site.css
   夜间球场灯光 + 数据流动：深海夜蓝打底，电光青为数据线，橙红只落在关键数
   ========================================================================== */

/* 1 · 设计令牌 ------------------------------------------------------------ */
:root{
  --night:#071A2E;
  --ink:#04101C;
  --cyan:#2FE3D2;
  --cyan-dim:#1BA99C;
  --orange:#FF5A2B;
  --orange-deep:#D63B12;
  --paper:#F4EFE6;
  --paper-ink:#101820;
  --mist:#7C8FA3;
  --pitch:#14543F;

  --wrap:1280px;
  --gutter:24px;
  --header-h:68px;
  --radius:12px;
  --radius-sm:6px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --fs-12:0.75rem;
  --fs-14:0.875rem;
  --fs-16:1rem;
  --fs-20:1.25rem;
  --fs-28:1.75rem;
  --fs-40:2.5rem;
  --fs-64:4rem;
}

/* 2 · Reset 与基础 -------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html.nav-open{overflow:hidden}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:var(--fs-16);
  line-height:1.85;
  color:var(--paper);
  background-color:var(--night);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(47,227,210,.07) 1px, transparent 0),
    radial-gradient(900px 520px at 84% -10%, rgba(47,227,210,.09), transparent 70%),
    radial-gradient(720px 420px at 4% 14%, rgba(255,90,43,.07), transparent 72%);
  background-size:28px 28px, auto, auto;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
main{display:block}
#main-content{display:block}
::selection{background:rgba(47,227,210,.32);color:#FFFFFF}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

.skip-link{
  position:absolute;
  left:16px;
  top:-64px;
  z-index:200;
  padding:10px 18px;
  background:var(--cyan);
  color:var(--paper-ink);
  font-size:var(--fs-14);
  font-weight:700;
  text-decoration:none;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top 160ms var(--ease);
}
.skip-link:focus{top:0}

/* 3 · 页头：左右分置 + 压缩粘性条 ---------------------------------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background-color:transparent;
  border-bottom:1px solid transparent;
  transition:background-color 200ms var(--ease),border-color 200ms var(--ease);
}
.site-header.is-compact{
  background-color:rgba(4,16,28,.94);
  border-bottom-color:rgba(47,227,210,.2);
  backdrop-filter:blur(8px);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  max-width:var(--wrap);
  min-height:var(--header-h);
  margin:0 auto;
  padding:0 var(--gutter);
}
.site-header.is-compact .header-inner{min-height:56px}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  text-decoration:none;
  color:var(--paper);
}
.brand-mark{position:relative;display:block;width:46px;height:20px;flex:0 0 auto}
.brand-dot{
  position:absolute;
  left:0;
  top:50%;
  width:9px;
  height:9px;
  margin-top:-4.5px;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,90,43,.16);
}
.brand-line{
  position:absolute;
  left:12px;
  top:50%;
  width:32px;
  height:2px;
  margin-top:-1px;
  background:linear-gradient(90deg,var(--cyan),rgba(47,227,210,0));
}
.brand-text{display:inline-flex;align-items:baseline;gap:8px}
.brand-name{font-size:19px;font-weight:900;letter-spacing:-.02em;line-height:1}
.brand-sub{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--cyan);
  border:1px solid rgba(47,227,210,.35);
  border-radius:2px;
  padding:1px 6px;
  line-height:1.5;
}

.header-current{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:22px;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.1em;
  color:var(--cyan-dim);
  white-space:nowrap;
}
.header-current::before{
  content:"";
  width:16px;
  height:1px;
  background:var(--cyan-dim);
  flex:0 0 auto;
}
.site-header.is-compact .header-current{display:inline-flex}

.nav-primary{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  min-width:0;
}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 12px;
  color:rgba(244,239,230,.76);
  font-size:15px;
  font-weight:500;
  text-decoration:none;
  border-radius:4px;
  transition:color 160ms var(--ease),background-color 160ms var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:1px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 200ms var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--paper);background-color:rgba(47,227,210,.08)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--cyan);font-weight:700}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  height:2px;
  background:var(--orange);
}
.nav-note{display:none}

.nav-status{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:8px;
  padding-left:14px;
  border-left:1px solid rgba(124,143,163,.28);
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  color:var(--mist);
  white-space:nowrap;
}
.site-header.is-compact .nav-status{display:inline-flex}
.nav-status-key{color:rgba(244,239,230,.78)}
.status-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(47,227,210,.16);
  animation:status-pulse 2.6s var(--ease) infinite;
}
.status-slash{color:rgba(124,143,163,.6)}
@keyframes status-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(47,227,210,.16)}
  50%{box-shadow:0 0 0 7px rgba(47,227,210,.04)}
}

.nav-cta{margin-left:14px}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border:1px solid rgba(47,227,210,.35);
  border-radius:4px;
  background-color:rgba(4,16,28,.62);
  color:var(--paper);
  cursor:pointer;
  transition:border-color 160ms var(--ease),background-color 160ms var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);background-color:rgba(47,227,210,.12)}
.nav-toggle-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em}
.nav-toggle-shield{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle-shield span{
  display:block;
  height:2px;
  background:var(--cyan);
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.nav-toggle-shield span:nth-child(2){width:72%}
.site-header.is-nav-open .nav-toggle-shield span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.is-nav-open .nav-toggle-shield span:nth-child(2){opacity:0}
.site-header.is-nav-open .nav-toggle-shield span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 4 · 页脚：单行横向信息带 ------------------------------------------------ */
.site-footer{
  margin-top:96px;
  background-color:var(--ink);
  background-image:linear-gradient(90deg,rgba(47,227,210,.08),rgba(4,16,28,0) 46%);
  border-top:1px solid rgba(47,227,210,.16);
}
.footer-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 36px;
  max-width:var(--wrap);
  margin:0 auto;
  padding:32px var(--gutter) 24px;
  font-size:var(--fs-14);
  line-height:1.7;
}
.footer-brand{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;min-width:0}
.footer-logo{
  color:var(--paper);
  font-size:17px;
  font-weight:900;
  letter-spacing:-.01em;
  text-decoration:none;
}
.footer-logo span{
  margin-left:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--cyan);
}
.footer-tagline{font-family:var(--font-serif);font-size:var(--fs-14);color:rgba(244,239,230,.7)}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 26px;margin-left:auto}
.footer-nav,.footer-legal{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-legal{padding-left:18px;border-left:1px solid rgba(124,143,163,.28)}
.footer-links a{
  color:rgba(244,239,230,.74);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color 160ms var(--ease),border-color 160ms var(--ease);
}
.footer-links a:hover,.footer-links a:focus-visible{
  color:var(--cyan);
  border-bottom-color:var(--cyan-dim);
}
.footer-meta{
  flex:1 1 100%;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  padding-top:16px;
  border-top:1px solid rgba(124,143,163,.2);
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  color:var(--mist);
}
.footer-icp{color:rgba(244,239,230,.82)}
.footer-address{color:rgba(124,143,163,.92)}
.footer-base{
  flex:1 1 100%;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  color:rgba(124,143,163,.9);
}
.footer-copy{color:rgba(244,239,230,.62)}

/* 5 · 版心、节奏与文字层级 ----------------------------------------------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.wrap--narrow{max-width:760px}
.section{padding:72px 0}
.section--tight{padding:40px 0}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);flex:0 0 auto}
.display{
  font-family:var(--font-serif);
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.25;
  font-size:clamp(1.75rem,4vw,2.5rem);
}
.headline{
  font-family:var(--font-sans);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.22;
  font-size:clamp(1.25rem,2.4vw,1.75rem);
}
.lede{font-size:var(--fs-20);line-height:1.7;color:rgba(244,239,230,.86)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--mist)}
.accent-text{color:var(--cyan)}
.hot{color:var(--orange)}

/* 6 · Bento 栅格 ---------------------------------------------------------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento > *{min-width:0}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}
.split{display:grid;gap:32px}
@media (min-width:900px){
  .split{grid-template-columns:minmax(0,7fr) minmax(0,4fr)}
  .split--reverse{grid-template-columns:minmax(0,4fr) minmax(0,7fr)}
}

/* 7 · 面板 ----------------------------------------------------------------- */
.panel{
  position:relative;
  padding:24px;
  border:1px solid rgba(124,143,163,.18);
  border-radius:var(--radius);
  background-color:rgba(4,16,28,.7);
  overflow:hidden;
}
.panel--ink{background-color:var(--ink);border-color:rgba(47,227,210,.2)}
.panel--accent{border-color:rgba(47,227,210,.45);box-shadow:inset 0 0 0 1px rgba(47,227,210,.08)}
.panel--paper{
  color:var(--paper-ink);
  background-color:var(--paper);
  border-color:rgba(16,24,32,.14);
  background-image:repeating-linear-gradient(0deg,rgba(16,24,32,.035) 0 1px,transparent 1px 7px);
}
.panel--slant{
  border-radius:0;
  clip-path:polygon(0 0,calc(100% - 32px) 0,100% 32px,100% 100%,0 100%);
}
.panel-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 16px;
  margin-bottom:14px;
}
.panel-title{margin:0;font-size:var(--fs-20);font-weight:900;letter-spacing:-.02em;line-height:1.3}
.panel-note{font-family:var(--font-mono);font-size:var(--fs-12);color:var(--mist);font-variant-numeric:tabular-nums}
.panel--paper .panel-note{color:#55606B}

/* 8 · 数据元件 ------------------------------------------------------------- */
.stat{
  display:block;
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1;
  font-size:clamp(1.75rem,4vw,2.5rem);
  color:var(--cyan);
}
.stat--hot{color:var(--orange)}
.stat-label{
  display:block;
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.14em;
  color:var(--mist);
}
.data-strip{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  margin-top:18px;
  padding-top:14px;
  border-top:1px dashed rgba(124,143,163,.32);
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  color:var(--mist);
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid rgba(47,227,210,.4);
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--cyan);
}
.chip--hot{border-color:rgba(255,90,43,.55);color:var(--orange)}

/* 9 · 按钮 ----------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  border:1px solid transparent;
  border-radius:4px;
  font-size:var(--fs-14);
  font-weight:700;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  transition:transform 200ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-accent{
  padding-right:24px;
  border-radius:0;
  background-color:var(--orange);
  color:var(--paper-ink);
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
}
.btn-accent:hover{background-color:#FF7346}
.btn-accent:active{background-color:var(--orange-deep);color:var(--paper)}
.btn-accent:focus-visible{outline:2px solid var(--paper);outline-offset:-4px}
.btn-ghost{background-color:transparent;border-color:rgba(47,227,210,.45);color:var(--cyan)}
.btn-ghost:hover{background-color:rgba(47,227,210,.12)}
.btn-quiet{background-color:rgba(244,239,230,.06);color:var(--paper)}
.btn-quiet:hover{background-color:rgba(244,239,230,.14)}
.btn-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

/* 10 · 面包屑 -------------------------------------------------------------- */
.crumbs{
  padding:22px 0 0;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.06em;
  color:var(--mist);
}
.crumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}
.crumbs-item{display:inline-flex;align-items:center;gap:10px}
.crumbs-item + .crumbs-item::before{content:"/";color:rgba(124,143,163,.55)}
.crumbs-link{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color 160ms var(--ease),border-color 160ms var(--ease);
}
.crumbs-link:hover,.crumbs-link:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan-dim)}
.crumbs-current{color:var(--paper)}

/* 11 · 正文容器 ------------------------------------------------------------ */
.prose{max-width:44rem;font-size:var(--fs-16);line-height:1.85}
.prose > * + *{margin-top:1.2em}
.prose h2{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:clamp(1.375rem,2.4vw,1.75rem);
  line-height:1.35;
  letter-spacing:-.01em;
}
.prose h3{font-size:var(--fs-20);font-weight:900;letter-spacing:-.02em;line-height:1.4}
.prose ul,.prose ol{padding-left:1.3em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.4em}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.prose strong{font-weight:700}
.prose blockquote{
  padding-left:18px;
  border-left:2px solid var(--cyan-dim);
  font-family:var(--font-serif);
  color:rgba(244,239,230,.86);
}
.prose code{
  font-family:var(--font-mono);
  font-size:.92em;
  padding:1px 6px;
  border-radius:3px;
  background-color:rgba(47,227,210,.12);
}
.prose--paper{color:var(--paper-ink)}
.prose--paper a{color:#0E7F76}
.prose--paper blockquote{border-left-color:var(--pitch);color:#2B3742}
.prose--paper code{background-color:rgba(16,24,32,.08)}

/* 12 · 图片容器基础 -------------------------------------------------------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid rgba(47,227,210,.18);
  border-radius:var(--radius);
  background-color:var(--ink);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(47,227,210,.14) 1px, transparent 0),
    linear-gradient(160deg,#0B2942,#04101C 70%);
  background-size:22px 22px, auto;
}
.media-frame > img,
.media-frame > video,
.media-frame > svg{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16 / 9}
.media-frame--4x3{aspect-ratio:4 / 3}
.media-frame--1x1{aspect-ratio:1 / 1}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--map{
  aspect-ratio:4 / 5;
  background-image:
    radial-gradient(circle at 34% 38%, rgba(20,84,63,.85), rgba(4,16,28,.96) 68%),
    linear-gradient(160deg,#0B2942,#04101C);
}
.media-frame--map::after{
  content:"";
  position:absolute;
  inset:12% 14%;
  border:1px solid rgba(47,227,210,.35);
  border-radius:2px;
  background-image:linear-gradient(90deg,transparent 49.6%,rgba(47,227,210,.22) 49.6% 50.4%,transparent 50.4%);
  pointer-events:none;
}
.media-placeholder{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:16px;
  text-align:center;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.24em;
  text-transform:uppercase;
  color:rgba(244,239,230,.45);
}
.media-caption{margin-top:10px;font-family:var(--font-mono);font-size:var(--fs-12);color:var(--mist)}

/* 13 · 脚本注入元件 -------------------------------------------------------- */
.scroll-progress{
  position:fixed;
  left:0;
  top:0;
  z-index:120;
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  pointer-events:none;
  transition:width 120ms linear;
}
.to-top{
  position:fixed;
  right:20px;
  bottom:24px;
  z-index:110;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid rgba(47,227,210,.45);
  border-radius:50%;
  background-color:rgba(4,16,28,.9);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:var(--fs-14);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease),visibility 200ms var(--ease),background-color 160ms var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background-color:rgba(47,227,210,.14)}

/* 14 · 章节目录与显现 ------------------------------------------------------ */
[data-toc] a{
  display:block;
  color:var(--mist);
  text-decoration:none;
  border-left:2px solid transparent;
  padding:6px 0 6px 12px;
  font-size:var(--fs-14);
  transition:color 200ms var(--ease),border-color 200ms var(--ease);
}
[data-toc] a:hover{color:var(--paper)}
[data-toc] a[aria-current="true"]{color:var(--cyan);border-left-color:var(--orange)}

.has-js [data-reveal]{opacity:0;transform:translateY(16px)}
.has-js [data-reveal].is-revealed{
  opacity:1;
  transform:none;
  transition:opacity 240ms var(--ease),transform 240ms var(--ease);
}

/* 15 · 平板与移动端 -------------------------------------------------------- */
@media (max-width:1024px){
  .bento{grid-template-columns:repeat(8,1fr);gap:20px}
  .span-3,.span-4,.span-5{grid-column:span 4}
  .span-6,.span-7,.span-8,.span-9,.span-12{grid-column:span 8}
}

@media (max-width:960px){
  .site-header{--header-h:60px}
  .site-header.is-compact .header-inner{min-height:var(--header-h)}
  .site-header.is-nav-open{background-color:var(--ink)}
  .brand-mark{width:34px}
  .brand-line{width:22px}
  .brand-name{font-size:17px}
  .header-current{display:none !important}
  .nav-toggle{display:inline-flex;margin-left:auto}

  .nav-primary{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    bottom:0;
    z-index:95;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:22px;
    margin:0;
    padding:22px var(--gutter) 48px;
    overflow-y:auto;
    border-top:1px solid rgba(47,227,210,.2);
    background-color:var(--ink);
    background-image:radial-gradient(circle at 1px 1px, rgba(47,227,210,.09) 1px, transparent 0);
    background-size:26px 26px;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity 200ms var(--ease),transform 200ms var(--ease),visibility 200ms var(--ease);
  }
  .nav-primary[data-open="true"]{opacity:1;visibility:visible;pointer-events:auto;transform:none}

  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid rgba(124,143,163,.18)}
  .nav-link{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
    width:100%;
    padding:14px 2px;
    font-size:19px;
    font-weight:700;
    color:var(--paper);
  }
  .nav-link::after{display:none}
  .nav-note{
    display:block;
    font-family:var(--font-mono);
    font-size:12px;
    font-weight:400;
    letter-spacing:.06em;
    color:var(--mist);
  }
  .nav-link[aria-current="page"] .nav-note{color:var(--cyan-dim)}

  .nav-status{
    display:inline-flex;
    margin:0;
    padding:14px 0 0;
    border-left:0;
    border-top:1px solid rgba(124,143,163,.22);
  }
  .nav-cta{
    align-self:stretch;
    width:100%;
    margin:0;
    padding:15px 18px;
    border-radius:4px;
    clip-path:none;
    font-size:15px;
  }

  .footer-inner{padding:26px var(--gutter) 22px}
  .footer-links{margin-left:0}
  .footer-legal{padding-left:0;border-left:0}
  .section{padding:56px 0}
  .to-top{right:14px;bottom:18px;width:42px;height:42px}
}

@media (max-width:640px){
  :root{--gutter:16px}
  .bento{grid-template-columns:repeat(4,1fr);gap:16px}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-12{grid-column:span 4}
  .panel{padding:18px}
  .footer-inner{gap:14px 20px}
  .footer-tagline{font-size:13px}
}

/* 16 · 降低动效 ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .status-dot{animation:none}
  .has-js [data-reveal]{transform:none}
  .btn:hover{transform:none}
}