/* ============================================================
   /assets/site.css — 赏金电竞主站 共享层
   1 reset / 2 tokens / 3 base / 4 layout / 5 components
   6 header / 7 footer / 8 responsive / 9 a11y
   ============================================================ */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,figure,figcaption,ul,ol,dl,dd,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
[hidden]{display:none!important}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:var(--orange);color:#120d05}

/* ---------- 2. tokens ---------- */
:root{
  --ink-900:#0E1014;
  --ink-800:#14171D;
  --ink-700:#1C1F26;
  --violet-900:#2A1B3D;
  --orange:#FF8A00;
  --orange-soft:#FFB857;
  --cyan:#00E5FF;
  --mint:#5BE0C4;
  --paper:#F3E7D3;
  --danger:#FF4D6D;
  --text:#C9CED8;
  --text-strong:#F4F6FA;
  --text-mute:#8B93A3;
  --line:rgba(201,206,216,.14);
  --line-strong:rgba(201,206,216,.26);
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --display:"Oswald","Archivo Narrow","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shell:1280px;
  --pad:clamp(16px,3.6vw,40px);
  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:160ms;
  --radius:3px;
}

/* ---------- 3. base ---------- */
body{
  min-height:100vh;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1100px 640px at 6% -12%, rgba(255,138,0,.14), transparent 62%),
    radial-gradient(900px 520px at 98% 2%, rgba(0,229,255,.10), transparent 60%),
    radial-gradient(820px 720px at 50% 118%, rgba(42,27,61,.85), transparent 72%),
    repeating-linear-gradient(180deg, rgba(255,255,255,.022) 0 1px, transparent 1px 4px);
  background-attachment:fixed,fixed,fixed,scroll;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  color:var(--text-strong);
  text-wrap:balance;
}
p{text-wrap:pretty}

/* ---------- 4. layout ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(32px,5vw,72px)}
.section--tight{padding-block:clamp(20px,3vw,40px)}
.stack{display:flex;flex-direction:column;gap:clamp(10px,1.4vw,18px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(8px,1.2vw,16px)}
.between{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-7{grid-column:span 7}
.col-9{grid-column:span 9}
.divider{height:1px;border:0;background:linear-gradient(90deg,var(--orange),rgba(0,229,255,.5) 40%,transparent);margin-block:clamp(18px,2.4vw,32px)}

/* ---------- 5. components ---------- */
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:200;
  padding:10px 18px;border-radius:2px;
  background:var(--orange);color:#120d05;font-weight:800;letter-spacing:.06em;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--orange)}

.display{
  font-family:var(--display);font-weight:800;text-transform:uppercase;
  letter-spacing:-.02em;line-height:1.02;
  font-size:clamp(30px,4.6vw,64px);color:var(--text-strong);
}
.title{font-size:clamp(21px,2.6vw,32px);color:var(--text-strong)}
.subtitle{font-size:clamp(16px,1.6vw,20px);font-weight:700;color:#DCE2EC}
.lede{font-size:clamp(15px,1.35vw,18px);line-height:1.85;color:#B7BFCC;max-width:38em}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.accent-cyan{color:var(--cyan)}
.accent-orange{color:var(--orange)}
.accent-mint{color:var(--mint)}
.accent-danger{color:var(--danger)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border:1px solid transparent;border-radius:2px;
  font-size:14px;font-weight:700;letter-spacing:.06em;cursor:pointer;
  transition:transform var(--dur) var(--ease),filter var(--dur) var(--ease),
             border-color var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn--primary{
  background:linear-gradient(160deg,var(--orange-soft),var(--orange) 70%,#e07700);
  color:#160f05;border-color:rgba(255,255,255,.2);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn--ghost{background:rgba(42,27,61,.52);border-color:var(--line-strong);color:var(--text-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,229,255,.08)}
.btn--quiet{background:transparent;border-color:rgba(0,229,255,.38);color:var(--cyan)}
.btn--quiet:hover{background:rgba(0,229,255,.10);border-color:var(--cyan)}
.btn--block{width:100%}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:2px;border:1px solid rgba(0,229,255,.36);
  background:rgba(0,229,255,.08);color:var(--cyan);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
}
.tag--orange{border-color:rgba(255,138,0,.46);background:rgba(255,138,0,.12);color:var(--orange-soft)}
.tag--mint{border-color:rgba(91,224,196,.42);background:rgba(91,224,196,.12);color:var(--mint)}
.tag--danger{border-color:rgba(255,77,109,.46);background:rgba(255,77,109,.12);color:var(--danger)}

.card{
  position:relative;
  background:linear-gradient(180deg,#1C1F26,#161920);
  border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:clamp(16px,2vw,24px);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card:hover{border-color:rgba(255,138,0,.46);transform:translateY(-2px);box-shadow:0 24px 44px -32px #000}
.card--paper{
  background:
    linear-gradient(180deg,rgba(255,255,255,.5),rgba(255,255,255,0) 40%),
    var(--paper);
  border-color:#CBB99C;color:#221E19;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.45);
}
.card--paper h2,.card--paper h3{color:#171310}
.card__tag{position:absolute;top:-1px;right:-1px;z-index:2}
.panel{
  background:rgba(28,31,38,.74);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(16px,2.2vw,28px);
}

.emblem{
  display:grid;place-items:center;width:44px;height:44px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--cyan);
  background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.4);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}

.data-table{font-size:14px}
.data-table th{
  padding:10px 12px;text-align:left;white-space:nowrap;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--orange-soft);border-bottom:1px solid var(--line-strong);
}
.data-table td{padding:11px 12px;border-bottom:1px solid var(--line);color:#B7BFCC;vertical-align:top}
.data-table tbody tr{transition:background var(--dur) var(--ease)}
.data-table tbody tr:hover{background:rgba(42,27,61,.45)}

.meter{height:8px;border-radius:1px;background:rgba(201,206,216,.12);overflow:hidden}
.meter__fill{
  display:block;height:100%;width:var(--value,0%);
  background:linear-gradient(90deg,var(--orange),var(--orange-soft) 45%,var(--cyan));
  transition:width 600ms var(--ease);
}

.disclosure{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(28,31,38,.62);
}
.disclosure + .disclosure{margin-top:10px}
.disclosure__summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 16px;font-weight:700;color:var(--text-strong);cursor:pointer;
  list-style:none;
}
.disclosure__summary::-webkit-details-marker{display:none}
.disclosure__summary::after{content:"+";font-family:var(--mono);color:var(--orange);font-size:16px}
.disclosure[open] .disclosure__summary::after{content:"–";color:var(--cyan)}
.disclosure[open] .disclosure__summary{border-bottom:1px solid var(--line)}
.disclosure__body{padding:14px 16px;font-size:14.5px;color:#B7BFCC}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:12px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--text-mute);
}
.breadcrumb a{color:var(--cyan)}
.breadcrumb a:hover{color:var(--orange-soft)}
.breadcrumb__sep{color:#5B6373}
.breadcrumb [aria-current="page"]{color:var(--text-strong)}

.prose{max-width:38em;color:var(--text)}
.prose p + p{margin-top:1em}
.prose h2,.prose h3{margin-top:1.7em;margin-bottom:.55em}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(0,229,255,.42)}
.prose a:hover{color:var(--orange-soft);border-bottom-color:rgba(255,138,0,.5)}
.prose ul{margin-top:.6em}
.prose li{position:relative;padding-left:20px;margin-top:.4em}
.prose li::before{content:"—";position:absolute;left:0;color:var(--orange)}
.prose blockquote{
  margin-top:1.4em;padding:16px 18px;border-left:3px solid var(--orange);
  background:var(--paper);color:#221E19;border-radius:2px;
}

/* 图片占位基础规则（页面阶段使用） */
.media-figure{display:grid;gap:8px;margin:0}
.media-figure figcaption{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--text-mute)}
.media-frame{
  position:relative;margin:0;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line-strong);aspect-ratio:16/9;
  background:
    radial-gradient(120% 120% at 18% 0%, rgba(255,138,0,.20), transparent 62%),
    radial-gradient(120% 120% at 92% 100%, rgba(0,229,255,.18), transparent 58%),
    linear-gradient(160deg,#1F232C,#0E1014);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:4/5}
.media-frame__img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 100% at 50% 42%, transparent 42%, rgba(9,11,15,.72) 100%);
}
.media-frame__tag{position:absolute;top:10px;left:10px;z-index:3}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  padding:26px 14px 12px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:#D6DBE4;
  background:linear-gradient(0deg,rgba(9,11,15,.94),rgba(9,11,15,0));
}

/* ---------- 6. header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;isolation:isolate;
  background:linear-gradient(180deg,#0B0D11 0%,#14171D 60%,#1A1E26 100%);
  border-bottom:1px solid rgba(255,138,0,.32);
  box-shadow:0 18px 40px -30px #000, inset 0 -1px 0 rgba(0,229,255,.10);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header::before{
  content:"";position:absolute;inset:0 auto 0 0;width:5px;z-index:1;
  background:linear-gradient(180deg,var(--orange),var(--violet-900) 55%,var(--cyan));
  opacity:.9;
}
.site-header[data-stuck]{box-shadow:0 22px 46px -26px #000, inset 0 -1px 0 rgba(0,229,255,.24)}
.site-header[data-stuck] .command-bar__inner{min-height:60px}

.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(201,206,216,.10);z-index:2}
.scroll-meter__bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--orange),var(--orange-soft) 55%,var(--cyan));transition:width 120ms linear}

.command-bar__inner{
  display:flex;align-items:center;gap:clamp(10px,1.5vw,20px);
  min-height:68px;padding-block:10px;
  transition:min-height var(--dur) var(--ease);
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text-strong)}
.brand__mark{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;
  font-family:var(--mono);font-size:18px;font-weight:700;color:#150E04;
  background:linear-gradient(150deg,var(--orange-soft),var(--orange) 60%,#DC7200);
  clip-path:polygon(16% 0,100% 0,100% 74%,84% 100%,0 100%,0 28%);
  transition:filter var(--dur) var(--ease);
}
.brand:hover .brand__mark{filter:brightness(1.12)}
.brand__text{display:flex;flex-direction:column;line-height:1.12;min-width:0}
.brand__name{font-size:16px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand__sub{
  margin-top:3px;font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);white-space:nowrap;
}

.command-search{
  position:relative;display:flex;align-items:center;gap:8px;
  flex:1 1 260px;min-width:0;max-width:400px;
  padding:0 10px;border:1px solid var(--line-strong);border-radius:3px;
  background:rgba(10,12,16,.88);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.command-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.14)}
.command-search__label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.command-search__icon{font-family:var(--mono);font-size:13px;color:var(--orange);opacity:.95}
.command-search__input{
  flex:1 1 auto;min-width:0;padding:9px 0;border:0;background:transparent;
  font-size:13px;letter-spacing:.01em;color:var(--text-strong);
}
.command-search__input:focus{outline:none}
.command-search__input::placeholder{color:#7B8494}
.command-search__hint{
  flex:0 0 auto;font-family:var(--mono);font-size:10px;letter-spacing:.08em;
  color:var(--mint);white-space:nowrap;
}
.command-search__hint[data-state="hit"]{color:var(--cyan)}
.command-search__hint[data-state="empty"]{color:var(--danger)}

.command-status{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:6px 10px;border:1px dashed rgba(201,206,216,.20);border-radius:2px;
  background:rgba(42,27,61,.42);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:#9AA3B3;
}
.command-status__dot{
  width:6px;height:6px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 3px rgba(91,224,196,.16);
  animation:statusPulse 2.6s var(--ease) infinite;
}
@keyframes statusPulse{0%,100%{opacity:1}50%{opacity:.35}}
.command-status__text{white-space:nowrap}

.header-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border:1px solid rgba(255,255,255,.18);border-radius:2px;
  font-size:13px;font-weight:800;letter-spacing:.08em;color:#150E04;
  background:linear-gradient(160deg,var(--orange-soft),var(--orange) 72%,#E07700);
  clip-path:polygon(0 0,100% 0,100% 100%,8px 100%,0 calc(100% - 8px));
  transition:filter var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.header-cta:hover{filter:brightness(1.1);transform:translateY(-1px)}

.nav-toggle{
  display:none;align-items:center;gap:9px;flex:0 0 auto;
  padding:8px 12px;border:1px solid var(--line-strong);border-radius:2px;
  background:rgba(42,27,61,.55);color:var(--text-strong);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:var(--orange);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle__label{font-family:var(--mono);font-size:11px;letter-spacing:.14em}
.site-header[data-open] .nav-toggle{background:var(--orange);border-color:var(--orange-soft);color:#150E04}
.site-header[data-open] .nav-toggle__bars span{background:#150E04}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(3px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

.site-nav{
  border-top:1px solid rgba(201,206,216,.10);
  background:linear-gradient(180deg,rgba(42,27,61,.92),rgba(28,31,38,.98));
}
.nav-index{display:flex;flex-wrap:wrap;gap:0;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.nav-index__item{position:relative}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px 11px 16px;
  font-size:13.5px;font-weight:600;letter-spacing:.04em;color:#AEB6C4;
  border-left:1px solid rgba(201,206,216,.08);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--orange),var(--cyan));
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text-strong);background:rgba(255,138,0,.10)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link__count{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#6F7889;transition:color var(--dur) var(--ease)}
.nav-link[aria-current="page"]{
  color:var(--orange-soft);
  background:linear-gradient(180deg,rgba(255,138,0,.18),rgba(255,138,0,.03));
}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"] .nav-link__count{color:var(--cyan)}

/* ---------- 7. footer ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(40px,6vw,88px);
  border-top:1px solid rgba(255,138,0,.36);
  background:linear-gradient(180deg,#0B0D11 0%,#101319 58%,#151922 100%);
  color:var(--text);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background:repeating-linear-gradient(90deg,rgba(201,206,216,.05) 0 1px,transparent 1px 96px);
}
.footer-slash{display:flex;height:6px;position:relative;z-index:2}
.footer-slash span{display:block;height:100%}
.footer-slash span:nth-child(1){flex:42;background:var(--orange)}
.footer-slash span:nth-child(2){flex:14;background:var(--orange-soft)}
.footer-slash span:nth-child(3){flex:44;background:linear-gradient(90deg,var(--violet-900),var(--cyan))}
.footer-watermark{
  position:absolute;right:-2%;bottom:6px;z-index:0;pointer-events:none;
  font-family:var(--display);font-weight:800;text-transform:uppercase;
  font-size:clamp(52px,11vw,148px);line-height:.8;letter-spacing:.04em;
  color:rgba(255,255,255,.030);
}
.footer-top{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(240px,1fr) 2fr;
  gap:clamp(24px,4vw,56px);align-items:start;
  padding-block:clamp(30px,4.6vw,56px) clamp(20px,3vw,36px);
}
.footer-brand{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.brand--footer .brand__name{font-size:17px}
.brand--footer .brand__sub{color:var(--mint)}
.footer-brand__tag{max-width:24em;font-size:13.5px;line-height:1.8;color:#A9B1BF}
.footer-badge{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:6px 10px;border:1px dashed rgba(201,206,216,.22);border-radius:2px;
  background:rgba(42,27,61,.4);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:#9AA3B3;
}
.footer-badge__dot{width:5px;height:5px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(255,138,0,.16)}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.4vw,32px)}
.footer-col{min-width:0}
.footer-col__title{
  display:flex;align-items:center;gap:8px;
  margin-bottom:12px;padding-bottom:9px;
  border-bottom:1px solid rgba(201,206,216,.16);
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--orange-soft);
}
.footer-col__title::before{content:"/";color:var(--cyan)}
.footer-list{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;padding:5px 0;font-size:14px;color:#AAB2C0;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
.footer-contact__row{display:grid;gap:1px;padding:6px 0;border-bottom:1px dashed rgba(201,206,216,.10)}
.footer-contact__key{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:#6F7889}
.footer-contact__value{font-size:13px;line-height:1.7;color:#B7BFCC;word-break:break-word}
.footer-legal{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding-block:20px clamp(24px,3vw,36px);
  border-top:1px dashed rgba(201,206,216,.18);
  font-size:12.5px;color:var(--text-mute);
}
.footer-legal__links{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#C3CAD6}
.footer-legal__links a:hover{color:var(--cyan)}
.footer-legal__sep{color:#5B6373}
.footer-contact-line{font-family:var(--mono);font-size:11.5px;letter-spacing:.02em;color:#9AA3B3}
.footer-icp{
  padding:3px 9px;border:1px solid rgba(201,206,216,.22);border-radius:2px;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:#B7BFCC;
}
.footer-note{font-size:12px;color:#8B93A3}
.footer-copy{font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:#6F7889}

/* ---------- 8. responsive ---------- */
@media (max-width:1080px){
  .footer-top{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-index{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:thin}
  .nav-link{padding:11px 13px;font-size:13px;white-space:nowrap}
  .command-status{display:none}
  .command-search{max-width:340px}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .col-3,.col-4,.col-5,.col-7,.col-9{grid-column:span 6}
}
@media (max-width:880px){
  .command-bar__inner{flex-wrap:wrap}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .command-search{order:5;flex:1 1 100%;max-width:none}
  .site-nav{display:none}
  .site-header[data-open] .site-nav{display:block;animation:navDrop var(--dur) var(--ease) both;max-height:calc(100vh - 118px);overflow-y:auto}
  .nav-index{flex-direction:column;flex-wrap:nowrap;overflow:visible;padding:6px 0 12px}
  .nav-index__item{border-bottom:1px dashed rgba(201,206,216,.12)}
  .nav-link{width:100%;justify-content:space-between;padding:14px var(--pad);border-left:0;font-size:15px}
  .nav-link::after{height:1px}
  .footer-watermark{opacity:.7}
}
@keyframes navDrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media (max-width:720px){
  .grid--2,.grid--3,.grid--4,.grid--12{grid-template-columns:minmax(0,1fr)}
  .col-3,.col-4,.col-5,.col-7,.col-9{grid-column:1/-1}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:8px}
  .command-status{display:none}
  .brand__mark{width:34px;height:34px;font-size:16px}
  .brand__sub{font-size:9px;letter-spacing:.12em}
  .media-frame--tall{aspect-ratio:3/4}
}
@media (max-width:420px){
  .brand__name{font-size:15px}
  .nav-toggle__label{display:none}
}

/* ---------- 9. a11y / motion ---------- */
@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;
  }
  .command-status__dot{animation:none}
  .meter__fill{transition:none}
}
@media (forced-colors:active){
  .site-header,.site-footer,.card,.panel{border-color:CanvasText}
  .btn,.header-cta,.tag{border:1px solid CanvasText}
}