/* ============================================================
   红牛娱乐会馆 · /assets/site.css
   共享外壳：令牌 / 基础排版 / 通用组件 / 页头 / 页脚
   ============================================================ */

:root{
  --red:#C8102E;
  --red-deep:#7A0A1D;
  --blue:#1553FF;
  --blue-deep:#0A2CB0;
  --navy:#061428;
  --navy-2:#0A1C33;
  --yellow:#FFE24D;
  --silver:#C3CAD6;
  --fog:#F3F5F9;
  --white:#FFFFFF;
  --ink:#0B0F1A;
  --ink-soft:#4C566B;
  --glass:rgba(255,255,255,0.14);
  --glass-strong:rgba(255,255,255,0.22);
  --line-dark:rgba(195,202,214,0.18);
  --line-dark-strong:rgba(195,202,214,0.34);
  --line-light:rgba(11,15,26,0.12);
  --radius-xs:2px;
  --radius-sm:4px;
  --radius-md:10px;
  --radius-lg:18px;
  --wrap:1280px;
  --wrap-wide:1440px;
  --gutter:20px;
  --shadow-card:0 20px 44px -28px rgba(6,20,40,.55);
  --shadow-glow:0 0 0 1px rgba(21,83,255,.45),0 0 28px -6px rgba(21,83,255,.5);
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.9,.28,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%;height:auto}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--yellow);outline-offset:3px;border-radius:var(--radius-xs)}

/* ---------- base ---------- */
body{
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--fog);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:900;line-height:1.22;color:inherit}
h1{font-size:clamp(34px,5.4vw,64px);line-height:1.06;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:clamp(20px,2.4vw,26px)}
h4{font-size:18px;font-weight:700;line-height:1.4}
strong,b{font-weight:700}
p{max-width:68ch}

.display{
  font-family:var(--font-sans);
  font-weight:900;
  font-size:clamp(44px,10.5vw,128px);
  line-height:.92;
  letter-spacing:-.025em;
  font-stretch:92%;
  margin:0;
}
.display--outline{color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.5)}
.lede{font-size:clamp(16.5px,1.4vw,18.5px);line-height:1.85;color:var(--ink-soft);max-width:36em}
.section--navy .lede{color:rgba(243,245,249,.78)}
.mono{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--blue);margin-bottom:14px;
}
.eyebrow::before{content:"";width:30px;height:2px;background:linear-gradient(90deg,var(--red),var(--blue))}
.section--navy .eyebrow{color:var(--yellow)}
.text-link{color:var(--blue);border-bottom:1px solid rgba(21,83,255,.4);transition:color .2s var(--ease),border-color .2s var(--ease)}
.text-link:hover{color:var(--red);border-bottom-color:var(--red)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:absolute;left:16px;top:-100px;z-index:200;
  padding:10px 16px;background:var(--yellow);color:var(--ink);
  font-weight:700;font-size:14px;border-radius:var(--radius-xs);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- layout ---------- */
.wrap{width:min(var(--wrap),100% - (var(--gutter) * 2));margin-inline:auto}
.wrap--wide{width:min(var(--wrap-wide),100% - (var(--gutter) * 2));margin-inline:auto}
.section{padding:72px 0}
.section--tight{padding:42px 0}
.section--navy{background:var(--navy);color:var(--fog)}
.section--fog{background:var(--fog)}
.section--white{background:var(--white)}
.section--navy a:not(.btn):not(.card):hover{color:#fff}

.section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 18px;margin-bottom:28px}
.section-head__idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--blue)}
.section--navy .section-head__idx{color:var(--yellow)}
.section-head__title{font-size:clamp(24px,3.4vw,34px);font-weight:900;line-height:1.2}
.section-head__note{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--ink-soft);margin-left:auto}

/* ---------- grids ---------- */
.grid{display:grid;gap:20px}
.grid--bento{grid-template-columns:repeat(12,minmax(0,1fr));gap:18px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.col-2{grid-column:span 2}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-10{grid-column:span 10}
.col-12{grid-column:span 12}

/* ---------- tags / pills ---------- */
.mono-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;line-height:1;
  padding:5px 9px;border:1px solid var(--line-dark);border-radius:var(--radius-xs);
  color:var(--silver);white-space:nowrap;
}
.mono-tag--red{color:#fff;border-color:rgba(200,16,46,.75);background:rgba(200,16,46,.22)}
.mono-tag--blue{color:#BBD0FF;border-color:rgba(21,83,255,.6);background:rgba(21,83,255,.16)}
.mono-tag--dim{color:rgba(195,202,214,.72);border-color:rgba(195,202,214,.16);background:transparent}
.mono-tag--ink{color:var(--ink);border-color:var(--line-light);background:var(--white)}
.mono-tag__dot{width:6px;height:6px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 3px rgba(255,226,77,.2)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  padding:5px 10px;border:1px solid var(--line-light);border-radius:var(--radius-xs);
  color:var(--ink-soft);background:var(--white);
}
.tag--red{border-color:rgba(200,16,46,.45);color:var(--red)}
.tag--blue{border-color:rgba(21,83,255,.45);color:var(--blue)}
.tag--yellow{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.tag--dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 24px;font-weight:700;font-size:15px;line-height:1.2;letter-spacing:.02em;
  border:1px solid transparent;border-radius:var(--radius-xs);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:linear-gradient(120deg,var(--red),var(--red-deep));color:#fff;box-shadow:0 12px 28px -16px rgba(200,16,46,.95)}
.btn--primary:hover{box-shadow:0 18px 36px -14px rgba(200,16,46,1),inset 0 0 0 1px rgba(255,226,77,.45)}
.btn--blue{background:linear-gradient(120deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 12px 28px -16px rgba(21,83,255,.95)}
.btn--blue:hover{box-shadow:0 18px 36px -14px rgba(21,83,255,1)}
.btn--ghost{border-color:var(--line-dark-strong);color:inherit;background:rgba(255,255,255,.06)}
.btn--ghost:hover{background:rgba(255,255,255,.14);border-color:var(--silver)}

/* ---------- cards ---------- */
.card{
  position:relative;display:block;padding:24px;
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-card);
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:var(--shadow-glow);opacity:0;transition:opacity .24s var(--ease);
}
.card:hover::before{opacity:1}
.card--glass{
  background:var(--glass);border-color:rgba(255,255,255,.24);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  color:var(--fog);box-shadow:none;
}
.card--navy{
  background:linear-gradient(160deg,var(--navy-2),var(--navy));
  border-color:var(--line-dark);color:var(--fog);box-shadow:none;
}
.card--navy::before{box-shadow:0 0 0 1px rgba(255,226,77,.4),0 0 30px -8px rgba(200,16,46,.6)}
.card__tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  padding:4px 9px;border-radius:var(--radius-xs);
  background:rgba(21,83,255,.1);color:var(--blue);
}
.card--glass .card__tag,.card--navy .card__tag{background:rgba(255,255,255,.14);color:var(--yellow)}
.card__title{font-size:20px;font-weight:700;line-height:1.4;margin-top:14px}
.card__body{font-size:15.5px;line-height:1.8;color:var(--ink-soft);margin-top:10px}
.card--glass .card__body,.card--navy .card__body{color:rgba(243,245,249,.78)}
.card__meta{
  margin-top:16px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:var(--ink-soft);
}
.card--glass .card__meta,.card--navy .card__meta{color:rgba(195,202,214,.7)}

/* ---------- accordion ---------- */
.accordion{display:grid;gap:10px}
.accordion__item{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.accordion__item[data-open]{border-color:rgba(21,83,255,.4);box-shadow:0 14px 34px -26px rgba(21,83,255,.9)}
.accordion__trigger{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:17px 20px;text-align:left;font-weight:700;font-size:16.5px;line-height:1.5;
  transition:background .24s var(--ease);
}
.accordion__trigger:hover{background:rgba(21,83,255,.05)}
.accordion__idx{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--blue);flex:0 0 auto}
.accordion__icon{position:relative;width:16px;height:16px;margin-left:auto;flex:0 0 auto}
.accordion__icon::before,.accordion__icon::after{content:"";position:absolute;background:var(--ink);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.accordion__icon::before{left:0;top:7px;width:16px;height:2px}
.accordion__icon::after{left:7px;top:0;width:2px;height:16px}
.accordion__item[data-open] .accordion__icon::after{transform:scaleY(0)}
.accordion__panel{height:0;overflow:hidden;transition:height .3s var(--ease)}
.accordion__panel-inner{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--ink-soft)}

/* ---------- steps ---------- */
.step{
  display:inline-flex;align-items:center;gap:10px;padding:11px 16px;
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--radius-xs);
}
.step__num{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--ink-soft)}
.step__label{font-weight:700;font-size:14.5px}
.step[data-state="current"]{border-color:var(--yellow);box-shadow:inset 0 0 0 1px var(--yellow),0 12px 26px -22px rgba(200,16,46,.9)}
.step[data-state="current"] .step__num{color:var(--red)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:18px 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--ink-soft)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item:not(:last-child)::after{content:"/";color:rgba(11,15,26,.3)}
.breadcrumb__item a{color:var(--blue)}
.breadcrumb__item a:hover{color:var(--red)}
.breadcrumb--dark .breadcrumb__list{color:var(--silver)}
.breadcrumb--dark .breadcrumb__item:not(:last-child)::after{color:rgba(195,202,214,.35)}
.breadcrumb--dark .breadcrumb__item a{color:var(--yellow)}

/* ---------- media placeholder ---------- */
.media{
  position:relative;width:100%;overflow:hidden;border-radius:var(--radius-sm);
  background:linear-gradient(140deg,var(--navy-2),var(--navy));
  border:1px solid var(--line-dark);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 44%,rgba(200,16,46,.32) 46%,transparent 52%,transparent 62%,rgba(21,83,255,.3) 64%,transparent 70%);
}
.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__img{width:100%;height:100%;object-fit:cover}
.media__caption{margin-top:10px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--ink-soft)}
.section--navy .media__caption{color:var(--silver)}

/* ---------- spy nav ---------- */
.spy-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
}
.spy-nav__link{
  padding:5px 10px;background:var(--white);
  border:1px solid var(--line-light);border-radius:var(--radius-xs);
  color:var(--ink-soft);transition:color .2s var(--ease),background .24s var(--ease),border-color .2s var(--ease);
}
.spy-nav__link:hover{color:var(--blue);border-color:rgba(21,83,255,.45)}
.spy-nav__link[data-active]{
  color:#fff;border-color:transparent;
  background:linear-gradient(120deg,var(--blue),var(--blue-deep));
  box-shadow:0 10px 22px -14px rgba(21,83,255,1);
}
.spy-nav__current{color:var(--red);font-family:var(--font-mono);font-size:11px;letter-spacing:.14em}

/* ---------- reveal ---------- */
[data-reveal]{transition-delay:var(--reveal-delay,0ms)}
html.js-ready [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .42s var(--ease-out),transform .42s var(--ease-out);
  transition-delay:var(--reveal-delay,0ms);
}
html.js-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ============================================================
   页头：框架式导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,20,40,.94);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  color:var(--fog);
  border-bottom:1px solid var(--line-dark);
}
.header-frame{width:min(var(--wrap-wide),100% - (var(--gutter) * 2));margin-inline:auto}

.header-topline{
  display:flex;align-items:center;gap:10px;
  padding:9px 0 8px;max-height:64px;overflow:hidden;
  border-bottom:1px dashed rgba(195,202,214,.22);
  transition:max-height .32s var(--ease),opacity .24s var(--ease),padding .32s var(--ease),border-color .24s var(--ease);
}
.header-topline__spacer{margin-left:auto}
.site-header[data-scrolled] .header-topline{
  max-height:0;opacity:0;padding-top:0;padding-bottom:0;border-bottom-color:transparent;
}

.header-bar{
  position:relative;display:flex;align-items:stretch;gap:18px;
  min-height:78px;
  transition:min-height .3s var(--ease);
}
.site-header[data-scrolled] .header-bar{min-height:62px}

/* brand */
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding:8px 0}
.brand__mark{
  position:relative;width:36px;height:36px;flex:0 0 auto;overflow:hidden;border-radius:var(--radius-xs);
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  box-shadow:0 10px 22px -14px rgba(200,16,46,1),inset 0 0 0 1px rgba(255,226,77,.28);
}
.brand__slash{
  position:absolute;left:50%;top:-26%;width:5px;height:152%;
  background:linear-gradient(180deg,var(--blue),var(--yellow));
  transform:translateX(-50%) rotate(20deg);
}
.brand__text{display:block;line-height:1.1}
.brand__name{display:block;font-size:20px;font-weight:900;letter-spacing:.04em;color:#fff}
.brand__sub{
  display:block;margin-top:3px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  color:rgba(195,202,214,.72);text-transform:uppercase;
}

/* mobile toggle */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:10px 12px;border:1px solid var(--line-dark-strong);border-radius:var(--radius-xs);
  background:rgba(255,255,255,.06);color:var(--fog);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.13)}
.nav-toggle__box{display:grid;gap:4px;width:18px}
.nav-toggle__bar{display:block;height:2px;background:var(--silver);transition:transform .26s var(--ease),opacity .18s var(--ease)}
.nav-toggle[data-open]{border-color:rgba(255,226,77,.6);background:rgba(255,226,77,.12)}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg);background:var(--yellow)}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg);background:var(--yellow)}
.nav-toggle__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em}

/* navigation */
.site-nav{position:relative}
.site-nav__list{display:flex;align-items:stretch;height:100%}
.site-nav__item{display:flex}
.nav-link{
  position:relative;display:flex;flex-direction:column;justify-content:center;gap:3px;
  padding:12px 17px;border-left:1px solid rgba(195,202,214,.16);
  background:transparent;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.site-nav__item:last-child .nav-link{border-right:1px solid rgba(195,202,214,.16)}
.nav-link__idx{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:rgba(195,202,214,.55)}
.nav-link__label{font-size:14.5px;font-weight:700;letter-spacing:.02em;color:var(--fog);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--red),var(--blue));
  transform:scaleX(0);transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav-link:hover{background:var(--glass)}
.nav-link:hover::after,.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{
  background:linear-gradient(180deg,rgba(200,16,46,.3),rgba(21,83,255,.08));
}
.nav-link[aria-current="page"] .nav-link__label{color:#fff}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--yellow)}

/* side cta */
.header-side{display:flex;align-items:center;margin-left:auto;padding:8px 0}
.header-cta{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 20px;font-size:14px;font-weight:700;letter-spacing:.02em;
  color:#fff;background:linear-gradient(120deg,var(--red),var(--red-deep));
  border-radius:var(--radius-xs);
  clip-path:polygon(11px 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%,0 11px);
  box-shadow:0 12px 26px -18px rgba(200,16,46,1),inset 0 0 0 1px rgba(255,226,77,.34);
  transition:transform .2s var(--ease),box-shadow .24s var(--ease);
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(200,16,46,1),inset 0 0 0 1px rgba(255,226,77,.7)}

/* progress */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(255,255,255,.08);overflow:hidden;
}
.scroll-progress__bar{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--blue),var(--red) 60%,var(--yellow));
  transition:transform .12s linear;
}

/* ============================================================
   页脚：深色信息带
   ============================================================ */
.site-footer{
  position:relative;margin-top:auto;
  background:var(--navy);color:var(--silver);
  padding:56px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--red),var(--blue) 46%,transparent 92%);
}
.site-footer::after{
  content:"";position:absolute;top:0;right:0;width:min(520px,52%);height:100%;
  background:linear-gradient(200deg,rgba(21,83,255,.16),transparent 62%);
  pointer-events:none;
}
.footer-frame{position:relative;z-index:1;width:min(var(--wrap),100% - (var(--gutter) * 2));margin-inline:auto}
.footer-bento{display:grid;grid-template-columns:1.1fr 1.9fr 1fr;gap:20px}
.footer-cell{
  padding:22px;border:1px solid var(--line-dark);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
}
.footer-cell--brand{background:linear-gradient(160deg,rgba(200,16,46,.24),rgba(6,20,40,.2))}
.footer-brand{display:block;font-size:22px;font-weight:900;letter-spacing:.04em;color:#fff;line-height:1.2}
.footer-line{margin-top:10px;font-size:14px;line-height:1.8;color:rgba(195,202,214,.86);max-width:30ch}
.footer-cell .mono-tag{margin-top:16px}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.footer-col__title{
  display:flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:14px;
}
.footer-col__code{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:20px;height:20px;padding:0 5px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;
  color:var(--navy);background:var(--silver);border-radius:var(--radius-xs);
}
.footer-list li+li{margin-top:9px}
.footer-list a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(195,202,214,.86);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-list a::before{
  content:"";width:0;height:1px;background:var(--red);
  transition:width .22s var(--ease);
}
.footer-list a:hover{color:#fff;transform:translateX(2px)}
.footer-list a:hover::before{width:12px}
.footer-contact li{display:grid;gap:3px}
.footer-contact li+li{margin-top:14px}
.footer-contact__key{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;color:rgba(195,202,214,.58)}
.footer-contact__val{font-size:14px;line-height:1.75;color:#E8ECF4;overflow-wrap:anywhere}
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  margin-top:26px;padding-top:18px;
  border-top:1px solid var(--line-dark);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
}
.footer-copy{color:rgba(195,202,214,.78);max-width:none}
.footer-legal__list{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal__list a{color:rgba(195,202,214,.86);transition:color .2s var(--ease)}
.footer-legal__list a:hover{color:#fff}
.footer-icp{color:rgba(195,202,214,.7);margin-left:auto}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1079px){
  .nav-toggle{display:inline-flex}
  .header-topline__spacer{display:none}

  .site-nav{
    position:absolute;left:0;right:0;top:100%;z-index:5;
    background:rgba(6,20,40,.98);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line-dark);
  }
  .site-nav__list{display:block;padding:6px var(--gutter) 18px;height:auto}
  html.js-ready .site-nav{
    max-height:0;overflow:hidden;
    transition:max-height .36s var(--ease),opacity .24s var(--ease);
  }
  html.js-ready .site-header[data-open] .site-nav,
  html.js-ready .site-nav[data-open]{max-height:78vh;overflow-y:auto}
  .site-nav__item{display:block}
  .nav-link{
    flex-direction:row;align-items:center;gap:14px;
    padding:15px 4px;border-left:0;border-bottom:1px solid rgba(195,202,214,.14);
  }
  .site-nav__item:last-child .nav-link{border-right:0}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(200,16,46,.34),transparent 70%);
    box-shadow:inset 2px 0 0 var(--yellow);
  }
  .nav-link__label{font-size:16px}

  .footer-bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-nav{grid-column:span 2;grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (max-width:860px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .grid--bento>*{grid-column:span 12}
  .section{padding:56px 0}
  .section-head__note{margin-left:0;width:100%}
}

@media (max-width:760px){
  .header-side{order:2;margin-left:auto;padding:8px 0}
  .nav-toggle{order:3}
  .header-cta{padding:10px 14px;font-size:13px}
  .brand-game{}
  .header-bar{gap:12px}
  .footer-bento{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-column:span 1;grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-icp{margin-left:0}
}

@media (max-width:560px){
  :root{--gutter:14px}
  .brand__sub{display:none}
  .header-topline{padding-top:7px;padding-bottom:6px}
  .header-side{display:none}
  .site-nav__list{padding-bottom:14px}
  .footer-nav{grid-template-columns:minmax(0,1fr)}
  .footer-cell{padding:18px}
}

@media (min-width:1200px){
  .spy-nav--float{
    position:fixed;right:24px;top:50%;transform:translateY(-50%);
    flex-direction:column;align-items:flex-end;z-index:40;
    max-width:180px;
  }
}

/* ============================================================
   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;
  }
  html.js-ready [data-reveal]{opacity:1;transform:none}
  .btn:hover,.header-cta:hover,.footer-list a:hover{transform:none}
  .scroll-progress__bar{transition:none}
}