:root{
  --c-black:#0a0a0a;
  --c-dark:#1a1a1a;
  --c-gold:#c9a961;
  --c-gold-bright:#e6c88c;
  --c-red:#e63946;
  --c-silver:#c0c0c0;
  --c-cream:#f1e8d3;
  --grad-gold:linear-gradient(135deg,#8a6d3b,#d4af37);
  --ff-head:"Russo One","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ff-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --fs-body:16px;
  --lh-body:1.6;
  --ls-head:.05em;
  --ls-body:.02em;
  --container-w:1200px;
  --rail-w:72px;
}
@media(max-width:768px){
  :root{--rail-w:0px}
}
@media(min-width:769px) and (max-width:1024px){
  :root{--rail-w:56px}
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scrollbar-color:var(--c-gold) #0a0a0a}
body{
  margin:0;
  min-height:100vh;
  padding-left:var(--rail-w);
  background:var(--c-black);
  color:var(--c-cream);
  font-family:var(--ff-body);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  letter-spacing:var(--ls-body);
}
img{display:block;max-width:100%;height:auto}
svg{display:block}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--ff-head);letter-spacing:var(--ls-head);line-height:1.2}
p{margin:0}
a{color:var(--c-gold);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--c-gold-bright)}
ul{list-style:none;padding:0;margin:0}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
::selection{background:var(--c-gold);color:#0a0a0a}
[id]{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px}

.container{width:min(var(--container-w),calc(100% - 48px));margin-inline:auto}

.skip-link{
  position:fixed;
  top:-72px;
  left:18px;
  z-index:2000;
  display:inline-flex;
  padding:12px 20px;
  background:var(--grad-gold);
  color:#0a0a0a;
  font-family:var(--ff-head);
  font-size:14px;
  letter-spacing:.14em;
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  transition:top .2s ease;
}
.skip-link:focus{top:18px;color:#0a0a0a}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  height:3px;
  width:0;
  background:linear-gradient(90deg,#8a6d3b,#d4af37);
  z-index:1500;
  pointer-events:none;
}

.brand-rail{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--rail-w);
  z-index:400;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  padding:26px 0;
  background:#0d0d0d;
  border-right:1px solid rgba(201,169,61,.32);
  pointer-events:none;
  overflow:hidden;
}
.brand-rail::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  width:1px;
  height:100%;
  transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,rgba(201,169,61,.55) 18%,rgba(201,169,61,.55) 82%,transparent);
}
.brand-rail__diamond{width:16px;height:16px;border:2px solid var(--c-gold);transform:rotate(45deg)}
.brand-rail__text{
  writing-mode:vertical-rl;
  font-family:var(--ff-head);
  font-size:12px;
  letter-spacing:.44em;
  color:var(--c-gold);
  text-transform:uppercase;
  transform:rotate(180deg);
  line-height:1;
}
.brand-rail__meta{
  writing-mode:vertical-rl;
  font-size:10px;
  letter-spacing:.28em;
  color:var(--c-silver);
  text-transform:uppercase;
}
@media(max-width:768px){
  .brand-rail{display:none}
}

.site-header{
  position:relative;
  z-index:120;
  background:linear-gradient(180deg,#101010,#0a0a0a 70%);
  border-bottom:1px solid rgba(201,169,61,.45);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,61,.75) 18%,rgba(201,169,61,.75) 82%,transparent);
}
.header-meta{
  border-bottom:1px solid rgba(192,192,192,.12);
  background:#080808;
  font-size:11px;
  letter-spacing:.22em;
  color:var(--c-silver);
  text-transform:uppercase;
}
.header-meta__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:34px}

.masthead{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  padding:30px 0 22px;
}
.masthead__mark{
  width:56px;
  height:56px;
  justify-self:start;
  filter:drop-shadow(0 0 10px rgba(201,169,61,.3));
}
.masthead__brand{text-align:center;min-width:0}
.masthead__kicker{
  display:block;
  font-family:var(--ff-head);
  font-size:11px;
  letter-spacing:.42em;
  color:var(--c-gold);
  text-transform:uppercase;
  margin-bottom:8px;
}
.masthead__logo{
  display:inline-block;
  font-family:var(--ff-head);
  font-size:clamp(30px,4.6vw,46px);
  line-height:1.08;
  letter-spacing:.09em;
  color:transparent;
  background:linear-gradient(180deg,#f1e8d3 10%,#e6c88c 40%,#c9a961 72%,#a17c3c 100%);
  -webkit-background-clip:text;
  background-clip:text;
  transition:opacity .2s ease;
}
.masthead__logo:hover{opacity:.8;color:transparent}
.masthead__sub{
  display:block;
  margin-top:6px;
  font-size:12px;
  letter-spacing:.28em;
  color:var(--c-silver);
  text-transform:uppercase;
}
.masthead__cta{justify-self:end}

.nav-wrap{
  position:relative;
  border-top:1px solid rgba(192,192,192,.14);
  border-bottom:1px solid rgba(192,192,192,.14);
  background:rgba(8,8,8,.88);
}
.nav-wrap__inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:54px;
}
.site-nav{display:block}
.site-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:4px}
.site-nav a{
  display:block;
  position:relative;
  padding:16px 20px;
  font-family:var(--ff-head);
  font-size:14px;
  letter-spacing:.16em;
  color:var(--c-silver);
  text-transform:uppercase;
}
.site-nav a::before{
  content:"";
  position:absolute;
  left:20px;
  right:20px;
  bottom:12px;
  height:2px;
  background:var(--grad-gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.site-nav a:hover{color:var(--c-gold-bright)}
.site-nav a:hover::before{transform:scaleX(1)}
.site-nav a[aria-current="page"]{color:var(--c-gold)}
.site-nav a[aria-current="page"]::before{transform:scaleX(1)}
.nav-wrap__code{
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-family:var(--ff-head);
  font-size:11px;
  letter-spacing:.3em;
  color:rgba(192,192,192,.4);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:1px solid rgba(201,169,61,.55);
  font-family:var(--ff-head);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--c-gold);
  background:rgba(201,169,61,.06);
}
.nav-toggle__box{display:grid;gap:3px}
.nav-toggle__box i{
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-active .nav-toggle__box i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-active .nav-toggle__box i:nth-child(2){opacity:0}
.nav-toggle.is-active .nav-toggle__box i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.header-tick{
  height:6px;
  background-color:#0a0a0a;
  background-image:repeating-linear-gradient(90deg,rgba(201,169,61,.75) 0 1px,transparent 1px 8px);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  font-family:var(--ff-head);
  font-size:15px;
  letter-spacing:.12em;
  text-transform:uppercase;
  border:1px solid transparent;
  background:transparent;
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  transition:filter .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-gold);color:#0a0a0a}
.btn-primary:hover{color:#0a0a0a;filter:brightness(1.14)}
.btn-outline{border-color:rgba(201,169,61,.6);color:var(--c-gold);background-color:rgba(201,169,61,.04)}
.btn-outline:hover{color:var(--c-gold-bright);border-color:var(--c-gold-bright);background-color:rgba(201,169,61,.14)}
.btn--sm{padding:9px 16px;font-size:13px}
.btn--block{display:flex;width:100%}

.hero-frame{
  position:relative;
  padding:clamp(48px,8vw,96px) 0;
  border-top:1px solid rgba(201,169,61,.22);
  border-bottom:1px solid rgba(201,169,61,.22);
  background:radial-gradient(ellipse at 18% 0%,rgba(201,169,61,.09),transparent 55%);
}
.hero-frame::before,.hero-frame::after{
  content:"";
  position:absolute;
  width:40px;
  height:40px;
  pointer-events:none;
  opacity:.7;
}
.hero-frame::before{top:14px;left:14px;border-top:2px solid var(--c-gold);border-left:2px solid var(--c-gold)}
.hero-frame::after{bottom:14px;right:14px;border-bottom:2px solid var(--c-gold);border-right:2px solid var(--c-gold)}
.hero-frame__meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:11px;
  letter-spacing:.32em;
  color:var(--c-silver);
  text-transform:uppercase;
}
.hero-frame__meta::before{content:"";width:44px;height:1px;background:var(--c-gold);flex:none}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:22px 0 4px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--c-silver);
}
.breadcrumbs a{color:var(--c-gold)}
.breadcrumbs a:hover{color:var(--c-gold-bright)}
.breadcrumbs [aria-current="page"]{color:var(--c-gold-bright)}
.breadcrumbs__sep{color:rgba(192,192,192,.35)}

.section-head{margin-bottom:40px}
.section-label{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
  font-family:var(--ff-head);
  font-size:13px;
  letter-spacing:.26em;
  color:var(--c-gold);
  text-transform:uppercase;
}
.section-label::before{content:"";width:34px;height:2px;background:var(--c-gold);flex:none}
.section-title{
  font-family:var(--ff-head);
  font-size:clamp(26px,4vw,40px);
  line-height:1.14;
  letter-spacing:var(--ls-head);
  color:var(--c-cream);
  margin:10px 0 8px;
}
.section-sub{max-width:58ch;color:var(--c-silver)}

.grid-2,.grid-3{display:grid;gap:24px}
@media(min-width:768px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1025px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
}

.panel{
  position:relative;
  padding:32px;
  background:linear-gradient(160deg,#171717,#0e0e0e);
  border:1px solid rgba(192,192,192,.18);
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px));
  transition:border-color .2s ease;
}
.panel:hover{border-color:rgba(201,169,61,.5)}
.panel--gold{border-color:rgba(201,169,61,.5)}
.panel--red{border-color:rgba(230,57,70,.5)}

.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#121212;
  border:1px solid rgba(192,192,192,.16);
  transition:border-color .22s ease;
}
.card:hover{border-color:rgba(201,169,61,.45)}
.card--feature{border-top:3px solid var(--c-gold)}
.card--hot{border-top:3px solid var(--c-red)}
.card__media{margin:0}
.card__body{padding:22px 22px 18px}
.card__title{
  font-family:var(--ff-head);
  font-size:18px;
  letter-spacing:.06em;
  color:var(--c-cream);
  margin-bottom:10px;
}
.card__text{font-size:14px;line-height:1.7;color:var(--c-silver)}
.card__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  margin-top:auto;
  border-top:1px solid rgba(192,192,192,.1);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-silver);
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--c-silver);
  font-size:12px;
  letter-spacing:.14em;
  line-height:1;
  color:var(--c-silver);
  text-transform:uppercase;
}
.badge--gold{border-color:rgba(201,169,61,.65);color:var(--c-gold);background:rgba(201,169,61,.06)}
.badge--hot{border-color:var(--c-red);color:#fff;background:var(--c-red)}
.badge--diamond::before{content:"";width:6px;height:6px;border:1px solid currentColor;transform:rotate(45deg)}

.img-frame{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#141414;
  border:1px solid rgba(192,192,192,.2);
  clip-path:polygon(20px 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%,0 20px);
}
.img-frame--wide{aspect-ratio:21/9}
.img-frame--portrait{aspect-ratio:3/4}
.img-frame::before{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(201,169,61,.32);
  z-index:2;
  pointer-events:none;
}
.img-frame::after{
  content:attr(data-caption);
  position:absolute;
  left:14px;
  bottom:10px;
  z-index:2;
  font-size:11px;
  letter-spacing:.22em;
  color:rgba(201,169,61,.65);
  text-transform:uppercase;
  pointer-events:none;
}
.img-placeholder{
  position:absolute;
  inset:0;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  overflow:hidden;
  background:linear-gradient(135deg,#141414 0%,#1d1d1d 50%,#141414 100%);
  background-size:220% 220%;
}
.img-placeholder::before{
  content:"";
  width:48px;
  height:48px;
  border:1px solid rgba(201,169,61,.5);
  transform:rotate(45deg);
}
.img-placeholder::after{
  content:"ARENA IMG";
  font-family:var(--ff-head);
  font-size:11px;
  letter-spacing:.3em;
  color:var(--c-gold);
  text-transform:uppercase;
}

.list-ticks li{
  position:relative;
  padding-left:28px;
  margin-bottom:10px;
  line-height:1.55;
  color:var(--c-silver);
}
.list-ticks li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.52em;
  width:10px;
  height:6px;
  border-left:2px solid var(--c-gold);
  border-bottom:2px solid var(--c-gold);
  transform:rotate(-45deg);
}

.path-steps{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  counter-reset:step;
}
.path-step{
  position:relative;
  padding:26px 22px 22px 60px;
  background:linear-gradient(160deg,#161616,#0e0e0e);
  border:1px solid rgba(192,192,192,.18);
  counter-increment:step;
  transition:border-color .2s ease;
}
.path-step:hover{border-color:rgba(201,169,61,.5)}
.path-step::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:18px;
  top:22px;
  font-family:var(--ff-head);
  font-size:20px;
  color:var(--c-gold);
}
.path-step__title{
  font-family:var(--ff-head);
  font-size:17px;
  letter-spacing:.06em;
  color:var(--c-cream);
  margin-bottom:8px;
}
.path-step__text{font-size:14px;line-height:1.7;color:var(--c-silver)}
@media(min-width:768px){
  .path-steps--3{grid-template-columns:repeat(3,1fr)}
}

.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{
  display:inline-block;
  padding:6px 12px;
  border:1px solid rgba(192,192,192,.22);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--c-silver);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.tag-list a:hover{border-color:var(--c-gold);color:var(--c-gold);background:rgba(201,169,61,.06)}

.rule-diag{
  height:10px;
  border:0;
  background:repeating-linear-gradient(135deg,var(--c-gold) 0 2px,transparent 2px 9px);
  opacity:.4;
}

.text-gold{color:var(--c-gold)}
.text-silver{color:var(--c-silver)}
.text-red{color:var(--c-red)}

.site-footer{
  position:relative;
  margin-top:clamp(64px,8vw,110px);
  background:#0d0d0d;
  border-top:1px solid rgba(201,169,61,.45);
}
.site-footer::after{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,169,61,.8) 25%,rgba(201,169,61,.8) 75%,transparent);
}
.footer-rule{
  height:6px;
  background-color:#0d0d0d;
  background-image:repeating-linear-gradient(90deg,rgba(201,169,61,.7) 0 1px,transparent 1px 8px);
}
.footer-main{
  display:grid;
  grid-template-columns:1.3fr .8fr 1.4fr;
  gap:40px;
  padding:clamp(40px,6vw,64px) 0 44px;
}
.footer-brand__name{
  display:block;
  font-family:var(--ff-head);
  font-size:32px;
  letter-spacing:.1em;
  line-height:1.2;
  color:var(--c-cream);
}
.footer-brand__name span{color:var(--c-gold)}
.footer-brand__tag{
  display:inline-block;
  margin-top:8px;
  font-family:var(--ff-head);
  font-size:11px;
  letter-spacing:.32em;
  color:var(--c-gold);
  text-transform:uppercase;
}
.footer-brand__note{
  margin-top:16px;
  max-width:34ch;
  font-size:14px;
  line-height:1.8;
  color:var(--c-silver);
}
.footer-nav h3,.footer-contact h3{
  margin-bottom:18px;
  font-family:var(--ff-head);
  font-size:13px;
  letter-spacing:.28em;
  color:var(--c-gold);
  text-transform:uppercase;
}
.footer-nav__list li+li{margin-top:8px}
.footer-nav__list a{
  display:inline-block;
  position:relative;
  padding-left:14px;
  font-size:14px;
  letter-spacing:.06em;
  color:var(--c-silver);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-nav__list a::before{
  content:"▸";
  position:absolute;
  left:0;
  color:var(--c-gold);
  opacity:.75;
}
.footer-nav__list a:hover{color:var(--c-gold-bright);padding-left:19px}
.footer-contact__item{
  display:flex;
  gap:12px;
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--c-silver);
  overflow-wrap:anywhere;
}
.footer-contact__item:first-child{margin-top:0}
.footer-contact__item > span:first-child{
  flex:none;
  min-width:2em;
  color:var(--c-gold);
  font-weight:600;
  letter-spacing:.08em;
}
.footer-contact__note{
  margin-top:16px;
  font-size:13px;
  line-height:1.7;
  color:rgba(192,192,192,.6);
}
.footer-bottom{border-top:1px solid rgba(192,192,192,.14);padding:18px 0}
.footer-bottom__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-silver);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal__link{color:var(--c-silver);transition:color .2s ease}
.footer-legal__link:hover{color:var(--c-gold-bright)}
.footer-icp{color:rgba(192,192,192,.6)}

[data-reveal]{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .55s ease,transform .55s ease;
  will-change:opacity,transform;
}
[data-reveal].is-revealed{opacity:1;transform:none}
[data-reveal][data-reveal-delay="1"]{transition-delay:.1s}
[data-reveal][data-reveal-delay="2"]{transition-delay:.2s}
[data-reveal][data-reveal-delay="3"]{transition-delay:.3s}

@media(max-width:900px){
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-nav{grid-column:1/-1}
}
@media(max-width:768px){
  .masthead{grid-template-columns:40px 1fr 40px;gap:10px;padding:18px 0 14px}
  .masthead__mark{width:34px;height:34px}
  .masthead__kicker{font-size:9px;letter-spacing:.2em;margin-bottom:4px}
  .masthead__logo{font-size:26px}
  .masthead__sub{font-size:9px;letter-spacing:.1em}
  .masthead__cta .btn--sm{padding:7px 10px;font-size:11px}
  .nav-wrap__inner{min-height:50px}
  .nav-toggle{display:inline-flex;position:absolute;left:16px;top:50%;transform:translateY(-50%)}
  .site-nav{display:none}
  .site-nav[data-open]{
    display:block;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#0d0d0d;
    border-bottom:1px solid rgba(201,169,61,.4);
  }
  .site-nav ul{display:block;gap:0;padding:10px 0}
  .site-nav li+li a{border-top:1px solid rgba(192,192,192,.08)}
  .site-nav a{padding:14px 28px;border-left:3px solid transparent}
  .site-nav a[aria-current="page"]{border-left-color:var(--c-gold);background:rgba(201,169,61,.08)}
  .nav-wrap__code{display:none}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-main>*{grid-column:auto}
}
@media(max-width:360px){
  .masthead{grid-template-columns:32px 1fr;gap:8px}
  .masthead__cta{display:none}
  .masthead__logo{font-size:22px}
  .masthead__kicker{font-size:8px;letter-spacing:.12em}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
}