*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg{max-width:100%;height:auto;display:block;}
button{font:inherit;color:inherit;}
a{color:inherit;}
[hidden]{display:none !important;}

:root{
  --ink:#0B1033;
  --teal:#072A2E;
  --wine:#4A1230;
  --amber:#F2B24B;
  --cyan:#35E6D0;
  --coral:#FF6B5E;
  --fog:#F4F1E9;
  --slate:#8CA0B3;
  --violet:#25104A;
  --sand:#FFE3A3;

  --line:rgba(244,241,233,.14);
  --line-soft:rgba(244,241,233,.08);
  --line-amber:rgba(242,178,75,.42);
  --line-cyan:rgba(53,230,208,.34);
  --panel:rgba(244,241,233,.055);
  --violet-glass:rgba(37,16,74,.74);

  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --pill:999px;

  --font-head:"HarmonyOS Sans SC Condensed","Barlow Condensed","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;

  --maxw:1320px;
  --gutter:clamp(18px,4vw,48px);
  --gap:clamp(16px,2.4vw,32px);
  --shadow-float:0 18px 44px rgba(4,4,22,.5);
  --shadow-soft:0 10px 26px rgba(4,4,22,.34);
  --ease:cubic-bezier(.4,.1,.2,1);
}

body{
  font-family:var(--font-body);
  font-size:clamp(15px,1.02vw + 12px,17px);
  line-height:1.75;
  color:var(--fog);
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 620px at 88% -12%, rgba(53,230,208,.16), transparent 62%),
    radial-gradient(900px 520px at -10% 8%, rgba(242,178,75,.13), transparent 60%),
    radial-gradient(900px 700px at 50% 112%, rgba(74,18,48,.6), transparent 68%),
    repeating-linear-gradient(180deg, rgba(244,241,233,.035) 0 1px, transparent 1px 5px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.18;
  letter-spacing:.05em;
}
h1{font-size:clamp(2.4rem,4.4vw,4.2rem);letter-spacing:.06em;}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem);}
h3{font-size:clamp(1.15rem,1.6vw,1.55rem);}
p{max-width:70ch;}
strong{color:var(--sand);font-weight:700;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
::selection{background:rgba(53,230,208,.32);color:var(--fog);}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* ---------- 跳转链 ---------- */
.skip-link{
  position:fixed;top:-200px;left:16px;z-index:200;
  padding:12px 20px;border-radius:var(--pill);
  background:var(--sand);color:#140F2E;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;text-decoration:none;
  transition:top .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{top:12px;}

/* ---------- 头部：悬浮胶囊浮岛 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  padding:14px var(--gutter) 10px;
  transition:padding .25s var(--ease);
}
.site-header::before{
  content:"";position:absolute;inset:0 0 -18px 0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg, rgba(11,16,51,.96), rgba(11,16,51,.66) 62%, rgba(11,16,51,0));
}
.header-floats{
  position:relative;
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}

.brand-pill{
  display:inline-flex;align-items:center;gap:12px;flex:none;
  padding:9px 18px 9px 10px;border-radius:var(--pill);
  background:var(--violet-glass);
  border:1px solid var(--line-amber);
  box-shadow:var(--shadow-soft), inset 0 1px 0 rgba(255,227,163,.1);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  text-decoration:none;
  animation:float-drift 6s ease-in-out infinite;
}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;flex:none;
  border-radius:12px;
  background:linear-gradient(140deg,var(--amber),#FFD27F);
  color:#140F2E;font-family:var(--font-head);font-size:1.05rem;font-weight:700;
  box-shadow:0 0 0 1px rgba(255,227,163,.55), 0 6px 16px rgba(242,178,75,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-family:var(--font-head);font-size:1.12rem;font-weight:700;letter-spacing:.1em;color:var(--fog);}
.brand-tagline{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;color:var(--slate);}
.brand-index{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;color:var(--amber);
  padding-left:12px;border-left:1px solid var(--line-amber);
}

.nav-pill{
  flex:1 1 auto;
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:6px 10px;border-radius:var(--pill);
  background:rgba(11,16,51,.68);
  border:1px solid var(--line-cyan);
  box-shadow:var(--shadow-soft), inset 0 1px 0 rgba(244,241,233,.08);
  backdrop-filter:blur(16px) saturate(1.15);
  -webkit-backdrop-filter:blur(16px) saturate(1.15);
}
.nav-pill-label{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;color:var(--slate);
  padding:0 10px 0 6px;border-right:1px solid var(--line);white-space:nowrap;
}
.nav-list{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:2px;}
.nav-list a{
  display:inline-block;padding:8px 13px;border-radius:var(--pill);
  color:rgba(244,241,233,.82);text-decoration:none;
  font-size:.94rem;letter-spacing:.04em;
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-list a:hover{color:var(--sand);background:rgba(242,178,75,.12);}
.nav-list a[aria-current="page"]{
  color:var(--sand);
  background:rgba(242,178,75,.16);
  box-shadow:inset 0 0 0 1px var(--line-amber);
}

.header-tools{display:flex;align-items:center;gap:8px;flex:none;}
.tool-link{
  display:inline-flex;align-items:center;
  padding:10px 18px;border-radius:var(--pill);
  font-family:var(--font-head);font-size:.9rem;letter-spacing:.06em;
  text-decoration:none;color:#140F2E;
  background:linear-gradient(120deg,var(--amber),#FFD27F);
  box-shadow:0 10px 24px rgba(242,178,75,.26);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tool-link:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,178,75,.36);}
.tool-link--ghost{
  background:transparent;border:1px solid var(--line-cyan);color:var(--fog);box-shadow:none;
}
.tool-link--ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:none;}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:10px 16px;border-radius:var(--pill);
  border:1px solid var(--line-amber);
  background:var(--violet-glass);color:var(--fog);
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;
  cursor:pointer;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--amber);color:var(--sand);}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:16px;}
.nav-toggle-bar{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .22s var(--ease);}
.nav-toggle-text{display:inline-block;line-height:1;}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(3px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){transform:translateY(-3px) rotate(-45deg);}

.site-header.is-scrolled{padding-top:8px;padding-bottom:6px;}
.site-header.is-scrolled .brand-pill{animation:none;box-shadow:0 10px 22px rgba(4,4,22,.6);}

@keyframes float-drift{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-2px);}
}

/* ---------- 阅读进度 ---------- */
.scroll-meter{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:120;
  background:rgba(11,16,51,.6);pointer-events:none;
}
.scroll-meter-bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--amber),var(--cyan) 62%,var(--coral));
  box-shadow:0 0 12px rgba(53,230,208,.6);
}

/* ---------- 通用布局 ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);}
.container--narrow{max-width:940px;}
.section{padding-block:clamp(36px,5vw,72px);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:clamp(20px,3vw,34px);
}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;color:var(--amber);
  margin-bottom:10px;
}
.section-kicker::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--amber),transparent);}
.section-title{font-family:var(--font-head);font-size:clamp(1.5rem,2.8vw,2.4rem);letter-spacing:.05em;line-height:1.2;}
.section-lead{max-width:62ch;color:rgba(244,241,233,.76);}
.grid{display:grid;gap:var(--gap);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--asym{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  padding:.82em 1.55em;border-radius:var(--pill);border:1px solid transparent;
  font-family:var(--font-head);font-size:.95rem;letter-spacing:.08em;
  text-decoration:none;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:linear-gradient(120deg,var(--amber),#FFD27F);color:#140F2E;box-shadow:0 10px 26px rgba(242,178,75,.28);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(242,178,75,.38);}
.btn--ghost{background:transparent;border-color:var(--line-cyan);color:var(--fog);}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.btn--quiet{background:var(--panel);border-color:var(--line);color:var(--fog);}
.btn--quiet:hover{border-color:var(--line-amber);color:var(--sand);}

.chip{
  display:inline-flex;align-items:center;gap:.45em;
  padding:.32em .8em;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--panel);color:var(--fog);
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
}
.chip--amber{color:var(--sand);border-color:var(--line-amber);background:rgba(242,178,75,.12);}
.chip--cyan{color:var(--cyan);border-color:var(--line-cyan);background:rgba(53,230,208,.1);}
.chip--coral{color:#2A0D0A;background:var(--coral);border-color:transparent;font-weight:700;}

/* ---------- 面板 ---------- */
.panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--panel);
  padding:clamp(20px,2.6vw,32px);
}
.panel--deep{background:linear-gradient(160deg, rgba(7,42,46,.92), rgba(11,16,51,.88));}
.panel--glass{
  background:rgba(244,241,233,.07);border-color:rgba(244,241,233,.18);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.panel--wine{
  background:linear-gradient(160deg, rgba(74,18,48,.94), rgba(37,16,74,.88));
  border-color:rgba(255,227,163,.22);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding-block:14px;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em;color:var(--slate);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;}
.breadcrumb li + li::before{content:"/";margin-right:8px;color:rgba(140,160,179,.45);}
.breadcrumb a{color:var(--slate);text-decoration:none;transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb [aria-current="page"]{color:var(--sand);}

/* ---------- 纵向栏目轨道 ---------- */
.rail{display:flex;flex-direction:column;gap:8px;}
.rail-item{
  display:flex;align-items:center;gap:10px;
  padding:6px 4px;text-decoration:none;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.12em;color:var(--slate);
  transition:color .2s var(--ease);
}
.rail-item::before{
  content:"";flex:none;width:6px;height:6px;border-radius:50%;
  background:rgba(140,160,179,.5);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.rail-item:hover{color:var(--fog);}
.rail-item:hover::before{background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.rail-item[aria-current="page"]{color:var(--sand);}
.rail-item[aria-current="page"]::before{background:var(--amber);box-shadow:0 0 12px rgba(242,178,75,.8);}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;overflow:hidden;display:block;
  aspect-ratio:16 / 9;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(120% 120% at 12% 0%, rgba(53,230,208,.22), transparent 58%),
    linear-gradient(150deg, rgba(37,16,74,.92), rgba(7,42,46,.9) 58%, rgba(74,18,48,.78));
}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block;}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(244,241,233,.06) 0 1px, transparent 1px 5px);
  opacity:.55;
}
.media-frame--square{aspect-ratio:1 / 1;}
.media-frame--portrait{aspect-ratio:3 / 4;}
.media-frame--band{aspect-ratio:21 / 9;}
.media-caption{
  margin-top:10px;font-family:var(--font-mono);
  font-size:.72rem;letter-spacing:.12em;color:var(--slate);
}

/* ---------- 可展开内容组 ---------- */
.expand-group{
  border:1px solid var(--line);
  border-left:3px solid var(--amber);
  border-radius:var(--radius-md);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.expand-group + .expand-group{margin-top:12px;}
.expand-group[data-open="true"]{
  border-left-color:var(--cyan);
  background:rgba(53,230,208,.06);
}
.expand-trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;border:0;background:none;color:var(--fog);
  font-family:var(--font-head);font-size:1.02rem;letter-spacing:.04em;text-align:left;
  cursor:pointer;
  transition:color .24s var(--ease);
}
.expand-trigger:hover{color:var(--sand);}
.expand-group[data-open="true"] .expand-trigger{color:var(--cyan);}
.expand-icon{position:relative;flex:none;width:16px;height:16px;color:currentColor;}
.expand-icon::before,.expand-icon::after{
  content:"";position:absolute;left:0;right:0;top:50%;height:2px;border-radius:2px;
  background:currentColor;transform:translateY(-50%);
  transition:transform .24s var(--ease);
}
.expand-icon::after{transform:translateY(-50%) rotate(90deg);}
.expand-group[data-open="true"] .expand-icon::after{transform:translateY(-50%) rotate(0deg);}
.expand-panel{overflow:hidden;height:0;transition:height .24s var(--ease);}
.expand-content{padding:0 20px 20px;color:rgba(244,241,233,.86);font-size:.98rem;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;display:grid;gap:18px;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,var(--amber),var(--cyan),transparent);
  opacity:.55;
}
.timeline-item{position:relative;padding-left:4px;}
.timeline-item::before{
  content:"";position:absolute;left:-24px;top:9px;width:9px;height:9px;border-radius:50%;
  background:var(--teal);border:1px solid var(--amber);
  box-shadow:0 0 0 3px rgba(242,178,75,.12);
}
.timeline-item--alert::before{
  background:var(--coral);border-color:var(--coral);
  box-shadow:0 0 0 3px rgba(255,107,94,.18);
}
.timeline-meta{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;color:var(--slate);}
.timeline-title{font-family:var(--font-head);font-size:1.05rem;letter-spacing:.04em;color:var(--fog);margin-top:2px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(56px,9vw,110px);
  padding:clamp(38px,5vw,64px) var(--gutter) clamp(22px,3vw,34px);
  color:var(--fog);
  border-top:1px solid rgba(242,178,75,.3);
  background:
    radial-gradient(1000px 460px at 8% -12%, rgba(74,18,48,.9), transparent 62%),
    radial-gradient(760px 420px at 92% 4%, rgba(53,230,208,.13), transparent 60%),
    linear-gradient(180deg,#072A2E 0%, #061F27 58%, #0B1033 100%);
}
.site-footer::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--amber),var(--cyan),transparent);
  opacity:.75;
}
.scan-veil{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(244,241,233,.05) 0 1px, transparent 1px 5px);
  opacity:.5;
  animation:scan-drift 18s linear infinite;
}
@keyframes scan-drift{
  from{transform:translateY(0);}
  to{transform:translateY(5px);}
}
.footer-inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;}

.footer-beacon{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  padding-bottom:18px;margin-bottom:clamp(24px,3vw,38px);
  border-bottom:1px solid var(--line-soft);
}
.beacon-dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.beacon-label{font-size:.7rem;letter-spacing:.24em;color:var(--sand);}
.beacon-rule{flex:1 1 60px;min-width:40px;height:1px;background:linear-gradient(90deg,rgba(242,178,75,.6),transparent);}
.beacon-note{font-size:.7rem;letter-spacing:.18em;color:var(--slate);}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .85fr 1.35fr 1fr;
  gap:clamp(20px,3vw,44px);
  align-items:start;
}
.footer-block{min-width:0;}
.footer-block-title{
  font-family:var(--font-head);font-size:1.02rem;letter-spacing:.06em;line-height:1.4;
  color:var(--fog);margin-bottom:12px;
}
.footer-block--brand .footer-block-title{
  font-size:clamp(1.15rem,1.8vw,1.5rem);letter-spacing:.05em;
  color:var(--sand);
}
.footer-copy{max-width:34ch;font-size:.94rem;color:rgba(244,241,233,.72);}
.footer-mono{margin-top:14px;font-size:.72rem;letter-spacing:.16em;color:var(--slate);}

.footer-links{display:grid;gap:8px;}
.footer-links a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.96rem;text-decoration:none;color:rgba(244,241,233,.82);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a::before{content:"";flex:none;width:5px;height:5px;border-radius:50%;background:rgba(242,178,75,.55);}
.footer-links a:hover{color:var(--sand);transform:translateX(3px);}

.footer-contact{display:grid;gap:10px;}
.footer-contact-item{display:grid;gap:2px;font-size:.92rem;color:rgba(244,241,233,.86);}
.footer-contact-label{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;color:var(--slate);}
.footer-note{
  margin-top:14px;padding-left:10px;border-left:2px solid var(--coral);
  font-size:.82rem;line-height:1.6;color:rgba(255,107,94,.92);max-width:34ch;
}

.footer-actions{display:grid;gap:8px;}
.footer-action{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(244,241,233,.05);
  font-size:.9rem;text-decoration:none;color:var(--fog);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-action:hover{border-color:var(--line-cyan);color:var(--cyan);transform:translateY(-2px);}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
  margin-top:clamp(28px,4vw,48px);padding-top:18px;
  border-top:1px solid var(--line-soft);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px;}
.footer-legal a{font-size:.86rem;text-decoration:none;color:var(--slate);transition:color .2s var(--ease);}
.footer-legal a:hover{color:var(--sand);}
.footer-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:.72rem;letter-spacing:.12em;color:var(--slate);}
.footer-icp{color:var(--slate);}
.footer-sep{color:rgba(140,160,179,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .brand-index{display:none;}
  .brand-pill{animation:none;}
}

@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .tool-link--ghost{display:none;}
  .nav-pill{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:14px;border-radius:var(--radius-lg);
    background:rgba(20,12,46,.97);
    border-color:var(--line-amber);
    box-shadow:var(--shadow-float);
    max-height:min(70vh,440px);overflow-y:auto;
    z-index:5;
  }
  .nav-pill[data-open="true"]{display:flex;}
  .nav-pill-label{display:none;}
  .nav-list{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;}
  .nav-list a{
    padding:13px 16px;border-radius:var(--radius-sm);font-size:1rem;
    border-bottom:1px solid var(--line-soft);
  }
  .nav-list li:last-child a{border-bottom:0;}
  .nav-list a[aria-current="page"]{border-bottom-color:transparent;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:860px){
  .grid--2,.grid--3,.grid--asym{grid-template-columns:minmax(0,1fr);}
  .section-head{align-items:flex-start;}
}

@media (max-width:600px){
  .tool-link{display:none;}
  .brand-tagline{font-size:.6rem;letter-spacing:.12em;}
  .brand-name{font-size:1.04rem;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-copy,.footer-note{max-width:none;}
}

@media (max-width:420px){
  .brand-tagline{display:none;}
  .brand-mark{width:30px;height:30px;font-size:.95rem;}
  .footer-legal{gap:12px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .scan-veil{animation:none;opacity:.35;}
  .brand-pill{animation:none;}
  .footer-action:hover,.footer-links a:hover,.btn:hover,.tool-link:hover{transform:none;}
}