:root{
  --bg:#ecece9; --ink:#0d0d0d; --g1:#f4f4f2; --g2:#d3d3cf; --g3:#8a8a87; --g4:#555553;
  --ease:cubic-bezier(.77,0,.18,1);
  --mono:"JetBrains Mono","Noto Sans SC","Consolas","Courier New",monospace;
  --sans:"Inter","Noto Sans SC","HarmonyOS Sans SC","Microsoft YaHei","PingFang SC",sans-serif;
  --serif:"Noto Serif SC","KaiTi","STKaiti","Songti SC",serif;
  --nav-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
::selection{background:var(--ink);color:var(--bg)}
small{font-family:var(--mono);letter-spacing:.12em;font-size:11px;color:var(--g3);text-transform:uppercase}

/* loader */
.loader{position:fixed;inset:0;z-index:999;background:var(--ink);color:var(--bg);display:grid;place-items:center;transition:transform .9s var(--ease)}
.loader.done{transform:translateY(-100%)}
html.intro{overflow:hidden}
.loader-enter{display:block;margin:30px auto 0;font:600 13px var(--mono);letter-spacing:.3em;color:var(--bg);animation:blink 1.6s infinite}
.loader-enter small{display:block;margin-top:6px;font-size:10px;letter-spacing:.4em;color:#888}
.loader-enter:focus-visible{outline:1px solid var(--bg);outline-offset:10px}
.loader-inner{text-align:center}
.loader-mark{display:block;font:700 28px var(--mono);letter-spacing:.5em;margin-right:-.5em}
.loader-bar{display:block;width:200px;height:1px;background:#444;margin:18px auto 0;overflow:hidden}
.loader-bar i{display:block;height:100%;background:#fff;animation:load 1.1s var(--ease) forwards}
@keyframes load{from{width:0}to{width:100%}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 48px;background:rgba(236,236,233,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--g2);transition:transform .5s var(--ease)}
.nav.hide{transform:translateY(-100%)}
.nav-logo{display:flex;align-items:center;gap:14px}
.logo-glyph{width:26px;height:26px;border:2px solid var(--ink);transform:rotate(45deg);position:relative;transition:transform .6s var(--ease)}
.logo-glyph::after{content:"";position:absolute;inset:5px;background:var(--ink)}
.nav-logo:hover .logo-glyph{transform:rotate(225deg)}
.logo-text{font:700 18px var(--mono);letter-spacing:.2em;display:flex;flex-direction:column;line-height:1.1}
.logo-text small{letter-spacing:.5em;font-size:10px;margin-top:3px}
.nav-links{display:flex;height:100%}
.nav-links a{position:relative;display:flex;flex-direction:column;justify-content:center;padding:0 30px;height:100%;overflow:hidden;transition:color .3s}
.nav-links a b{font-size:15px;font-weight:600;letter-spacing:.08em}
.nav-links a small{font-size:9px;margin-top:1px}
.nav-links a::before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateY(101%);transition:transform .45s var(--ease);z-index:-1}
.nav-links a:hover,.nav-links a.active{color:var(--bg)}
.nav-links a:hover small,.nav-links a.active small{color:var(--g3)}
.nav-links a:hover::before,.nav-links a.active::before{transform:none}
.nav-links a::after{content:attr(data-idx);position:absolute;top:10px;right:12px;font:10px var(--mono);color:var(--g3)}
.nav-side{display:flex;align-items:center;gap:24px;font:12px var(--mono);color:var(--g4)}
.nav-clock{display:flex;align-items:center;gap:10px}
.nav-auth{display:flex;align-items:center}
.auth-btn,.auth-out{display:inline-flex;align-items:center;padding:8px 18px;border:1px solid var(--ink);font:600 13px var(--mono);letter-spacing:.1em;color:var(--ink);background:var(--bg);transition:background .3s,color .3s;white-space:nowrap}
.auth-btn:hover,.auth-out:hover,.auth-btn:focus-visible,.auth-out:focus-visible{background:var(--ink);color:var(--bg)}
.auth-more{margin-left:.5em}
a.auth-name:hover{text-decoration:underline;text-underline-offset:4px}
.auth-name.unbound::after{content:" · 未绑定";color:var(--g3)}
.auth-user{display:flex;align-items:center;gap:10px}
.auth-name{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:600 13px var(--mono);color:var(--ink)}
.auth-name::before{content:"";display:inline-block;width:7px;height:7px;margin-right:8px;background:var(--ink)}
[hidden]{display:none!important}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ink);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.15}}
.nav-progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%}
.nav-progress i{display:block;height:100%;width:0;background:var(--ink)}

/* hero */
.hero{position:relative;min-height:100vh;padding:calc(var(--nav-h) + 60px) 48px 120px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--ink)}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-grid{position:absolute;inset:0;z-index:0;background:
  linear-gradient(var(--g2) 1px,transparent 1px) 0 0/100% 120px,
  linear-gradient(90deg,var(--g2) 1px,transparent 1px) 0 0/120px 100%;
  opacity:.5;mask-image:radial-gradient(ellipse at 70% 50%,#000 10%,transparent 70%)}
.hero-ring{position:absolute;right:-6vw;top:50%;width:min(62vw,820px);aspect-ratio:1;transform:translateY(-50%);z-index:0;pointer-events:none}
.hero-ring svg{width:100%;height:100%;fill:none;stroke:var(--ink);stroke-width:1}
.hero-ring .r1{stroke-dasharray:2 10;transform-origin:center;animation:spin 60s linear infinite}
.hero-ring .r2{stroke:var(--g3);transform-origin:center;animation:spin 40s linear infinite reverse;stroke-dasharray:140 30}
.hero-ring .r3{stroke-width:2;stroke-dasharray:260 700;transform-origin:center;animation:spin 14s linear infinite}
.hero-ring .r4{stroke:var(--g3);transform-origin:center;animation:spin 90s linear infinite}
.hero-ring line{stroke:var(--g2)}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-content{position:relative;z-index:2;max-width:900px}
.eyebrow{display:flex;align-items:center;gap:14px;font:12px var(--mono);letter-spacing:.2em;color:var(--g4);margin-bottom:28px}
.eyebrow i{width:48px;height:1px;background:var(--ink)}
.hero-title{font-size:clamp(88px,15vw,220px);line-height:.88;font-weight:900;letter-spacing:-.04em;margin-bottom:36px}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.04em}
.hero-title .line>span{display:inline-block;transform:translateY(105%);transition:transform 1.1s var(--ease)}
.hero-title .line:nth-child(2)>span{transition-delay:.12s}
.ready .hero-title .line>span{transform:none}
.outline{color:transparent;-webkit-text-stroke:2px var(--ink);position:relative}
.outline::after{content:"";position:absolute;left:100%;top:50%;margin-left:.2em;width:1.4em;height:.1em;background:var(--ink);transform:translateY(-50%) skewX(-30deg)}
.hero-sub{font-size:18px;color:var(--g4);max-width:520px;padding-left:20px;border-left:3px solid var(--ink);margin-bottom:44px}
.hero-cta{display:flex;gap:18px;flex-wrap:wrap}
.btn{position:relative;display:inline-flex;align-items:center;gap:18px;padding:16px 28px;font-weight:600;letter-spacing:.1em;overflow:hidden;border:1px solid var(--ink);transition:color .4s;clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px))}
.btn::before{content:"";position:absolute;inset:0;transform:translateX(-101%);transition:transform .5s var(--ease)}
.btn span,.btn i{position:relative;z-index:1;font-style:normal}
.btn i{transition:transform .4s var(--ease)}
.btn:hover i{transform:translateX(6px)}
.btn:hover::before{transform:none}
.btn-solid{background:var(--ink);color:var(--bg)}
.btn-solid::before{background:var(--bg)}
.btn-solid:hover{color:var(--ink)}
.btn-line::before{background:var(--ink)}
.btn-line:hover{color:var(--bg)}
.hero-side{position:absolute;left:18px;bottom:130px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:14px}
.vtext{writing-mode:vertical-rl;font:10px var(--mono);letter-spacing:.3em;color:var(--g3)}
.vline{width:1px;height:70px;background:var(--g2);position:relative;overflow:hidden}
.vline::after{content:"";position:absolute;left:0;top:0;width:100%;height:30px;background:var(--ink);animation:drop 2s var(--ease) infinite}
@keyframes drop{from{transform:translateY(-30px)}to{transform:translateY(70px)}}
.hero-meta{position:absolute;right:48px;bottom:84px;z-index:2;display:flex;gap:0;border:1px solid var(--ink);background:var(--bg)}
.hero-meta div{padding:12px 26px;border-right:1px solid var(--g2);display:flex;flex-direction:column}
.hero-meta div:last-child{border-right:0}
.hero-meta b{font:700 26px var(--mono)}
.marquee{position:absolute;left:0;right:0;bottom:0;height:48px;background:var(--ink);color:var(--bg);overflow:hidden;display:flex;align-items:center;z-index:3}
.marquee-track{display:flex;white-space:nowrap;animation:marq 26s linear infinite;font:12px var(--mono);letter-spacing:.35em}
.marquee-track span{padding-right:2em}
@keyframes marq{to{transform:translateX(-50%)}}

/* reveal */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.hero .reveal{transition-delay:.5s}

/* section common */
.sec{position:relative;padding:130px 48px;max-width:1440px;margin:0 auto}
.sec::before{content:"";position:absolute;left:48px;right:48px;top:0;height:1px;background:var(--g2)}
.sec-head{display:flex;align-items:flex-end;gap:28px;margin-bottom:56px}
.sec-no{font:900 96px/0.8 var(--mono);color:transparent;-webkit-text-stroke:1px var(--ink)}
.sec-head h2{font-size:44px;line-height:1.1;letter-spacing:.06em}
.sec-en{font:12px var(--mono);letter-spacing:.4em;color:var(--g3);margin-top:6px}
.sec-note{margin-left:auto;font:12px var(--mono);color:var(--g3);padding:6px 12px;border:1px dashed var(--g3)}

/* status */
.srv-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.srv{position:relative;border:1px solid var(--ink);padding:32px;background:var(--bg);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.srv::before,.srv::after{content:"";position:absolute;width:14px;height:14px;border:2px solid var(--ink)}
.srv::before{top:-2px;left:-2px;border-right:0;border-bottom:0}
.srv::after{bottom:-2px;right:-2px;border-left:0;border-top:0}
.srv:hover{transform:translate(-6px,-6px);box-shadow:6px 6px 0 var(--ink)}
.srv header{display:flex;align-items:center;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--g2)}
.srv-id{font:700 12px var(--mono);background:var(--ink);color:var(--bg);padding:3px 9px}
.srv h3{font-size:20px;letter-spacing:.06em}
.tag{margin-left:auto;font:700 11px var(--mono);letter-spacing:.15em;padding:3px 10px;border:1px solid var(--ink);font-style:normal}
.tag.off{color:var(--g3);border-color:var(--g3)}
.tag.on::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ink);margin-right:8px;animation:blink 1.6s infinite}
.srv-total{display:flex;align-items:baseline;gap:10px;padding:26px 0 18px}
.srv-total small{align-self:flex-start;margin-right:auto}
.srv-total b{font:900 72px/1 var(--mono);letter-spacing:-.04em}
.srv-total span{font:14px var(--mono);color:var(--g3)}
.scores li{display:grid;grid-template-columns:130px 48px 1fr;align-items:center;gap:14px;padding:11px 0;border-top:1px solid var(--g2);font-size:14px}
.scores b{font:700 20px var(--mono);text-align:right}
.scores i{height:6px;background:var(--g1);position:relative;display:block}
.scores u{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--ink);transition:width 1s var(--ease)}
.scores li:nth-child(2) u{background:var(--g4)}
.scores li:nth-child(3) u{background:var(--g3)}
.srv footer{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--ink);font:12px var(--mono);color:var(--g4)}
.copy{border:1px solid var(--ink);padding:4px 14px;font:12px var(--mono);transition:background .3s,color .3s}
.copy:hover{background:var(--ink);color:var(--bg)}

/* contact */
.contact{display:grid;grid-template-columns:200px repeat(4,1fr);margin-top:28px;border:1px solid var(--ink)}
.contact>*{padding:24px 26px;border-right:1px solid var(--g2)}
.contact>*:last-child{border-right:0}
.contact-title{background:var(--ink);color:var(--bg)}
.contact-title h3{font-size:22px;letter-spacing:.2em}
.contact-title small{color:var(--g3)}
.c-item{position:relative;display:flex;flex-direction:column;gap:6px;overflow:hidden;transition:color .4s}
.c-item::before{content:"";position:absolute;inset:0;background:var(--g1);transform:scaleY(0);transform-origin:bottom;transition:transform .45s var(--ease);z-index:-1}
.c-item:hover::before{transform:none}
.c-item b{font:600 15px var(--mono);word-break:break-all}

/* detail */
.tabs{position:relative;display:inline-flex;border-bottom:1px solid var(--ink);margin-bottom:28px}
.tab{padding:12px 30px;font:600 14px var(--mono);letter-spacing:.1em;color:var(--g3);transition:color .3s}
.tab.active,.tab:hover{color:var(--ink)}
.tab-ink{position:absolute;left:0;bottom:-1px;height:3px;width:0;background:var(--ink);transition:left .5s var(--ease),width .5s var(--ease)}
.detail-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.panel{border:1px solid var(--g2);padding:24px;background:var(--bg);position:relative;transition:border-color .3s}
.panel:hover{border-color:var(--ink)}
.panel h4{display:flex;align-items:baseline;justify-content:space-between;font-size:16px;letter-spacing:.08em;padding-bottom:14px;margin-bottom:16px;border-bottom:1px solid var(--g2)}
.p-metrics{grid-column:span 4}
.p-chart{grid-column:span 8}
.p-score{grid-column:span 7}
.p-players{grid-column:span 5}
.p-log{grid-column:span 12}
.p-metrics dl{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--g2);border:1px solid var(--g2)}
.p-metrics dl div{background:var(--bg);padding:16px}
.p-metrics dt{font:11px var(--mono);letter-spacing:.15em;color:var(--g3)}
.p-metrics dd{font:700 24px var(--mono);margin-top:4px}
.chart-ph{height:170px;display:flex;align-items:flex-end;gap:4px;border-bottom:1px solid var(--ink);padding-bottom:1px}
.chart-ph i{flex:1;background:repeating-linear-gradient(135deg,var(--g2) 0 2px,var(--bg) 2px 5px);border-top:2px solid var(--g3);transition:height .8s var(--ease)}
.chart-ph i:hover{background:var(--ink);border-color:var(--ink)}
.ph-note{margin-top:10px;font:11px var(--mono);color:var(--g3);text-align:right}
.sc-legend{display:flex;gap:28px;flex-wrap:wrap;margin-bottom:10px}
.sc-legend li{display:flex;align-items:center;gap:10px;font-size:13px}
.sc-legend i{display:block;width:26px;height:0}
.sc-legend b{font:700 22px var(--mono)}
.sc-chart{position:relative}
.sc-chart svg{display:block;width:100%;height:auto;overflow:visible}
.sc-chart .gl{stroke:var(--g2);stroke-width:1}
.sc-chart .gl.win{stroke:var(--ink);stroke-dasharray:3 4}
.sc-chart .ax{font:10px var(--mono);fill:var(--g3)}
.sc-chart .win-l{fill:var(--ink);font-weight:700}
.sc-chart .ln{fill:none;stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}
.sc-cursor{position:absolute;width:1px;background:var(--ink);opacity:0;pointer-events:none;transition:opacity .2s}
.sc-cursor.on{opacity:.5}
.sc-tip{position:absolute;top:6%;min-width:132px;transform:translateX(14px);background:var(--ink);color:var(--bg);padding:8px 12px;pointer-events:none;opacity:0;transition:opacity .2s}
.sc-tip.on{opacity:1}
.sc-tip.flip{transform:translateX(calc(-100% - 14px))}
.sc-tip small{display:block;margin-bottom:4px;color:var(--g3)}
.sc-tip div{display:flex;justify-content:space-between;gap:16px;font:12px var(--mono)}
.sc-tip b{font-weight:700}
/* player list: the panel title and the column headings stay put, only the rows scroll */
.p-players{display:flex;flex-direction:column;max-height:560px}
.pl-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.pl-scroll:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.p-players table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.p-players th{position:sticky;top:0;z-index:2;background:var(--bg);box-shadow:inset 0 -1px 0 var(--ink);font:11px var(--mono);letter-spacing:.15em;color:var(--g3);text-align:left;padding:8px;font-weight:400}
.p-players td{padding:9px 8px;border-top:1px solid var(--g2);font-family:var(--mono);font-size:13px}
.p-players tbody tr:first-child td{border-top:0}
.p-players tbody tr{transition:background .2s}
.p-players tbody tr:hover{background:var(--g1)}
.p-players td.empty{text-align:center;color:var(--g3);padding:28px 8px}
.fc-filter{display:inline-flex;align-items:center;gap:8px;font:inherit;letter-spacing:inherit;color:var(--ink);padding:2px 0;border-bottom:1px dashed var(--ink);cursor:pointer;white-space:nowrap}
.fc-filter b{font-weight:600;padding:0 6px;border:1px solid var(--ink);letter-spacing:.05em}
.fc-filter b::after{content:' ⇅';letter-spacing:0}
.fc-filter:hover b,.fc-filter:focus-visible b{background:var(--ink);color:var(--bg)}
.fc-filter:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.fc{display:inline-block;padding:0 8px;border:1px solid var(--ink);font-size:11px}
.fc.ls{background:var(--ink);color:var(--bg)}
.fc.vk{border-color:var(--g4);color:var(--g4)}
.fc.mt{border-color:var(--g3);color:var(--g4);border-style:dashed}

/* battlefield log: a live feed that follows the newest line */
.live-dot{display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:var(--ink);animation:blink 1.2s infinite;vertical-align:1px}
.log-wrap{position:relative}
.log-box{height:280px;overflow-y:auto;overscroll-behavior:contain;background:var(--ink);color:#d6d6d6;padding:8px 14px 4px;scrollbar-width:thin;scrollbar-color:#555 transparent;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 22px);mask-image:linear-gradient(to bottom,transparent 0,#000 22px)}
.log-box:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.log li{display:flex;align-items:baseline;gap:14px;padding:5px 0 5px 8px;border-left:2px solid transparent;font:13px/1.55 var(--mono);color:#b9b9b9}
.log li.fresh{animation:logIn .55s var(--ease) both}
.log li.fresh.hot{animation:logIn .55s var(--ease) both,logFlash 2.4s ease-out both}
.log time{flex:none;font:12px var(--mono);color:#7d7d7d}
.log .ev-mark{flex:none;width:1.2em;text-align:center;color:#8c8c8c}
.log .ev-text{min-width:0;overflow-wrap:anywhere}
.log li.k-lead,.log li.k-win,.log li.k-round_start,.log li.k-round_end{color:#fff;font-weight:600;border-left-color:#fff}
.log li.k-near_win{color:#fff;border-left-color:#8c8c8c}
.log li.k-offline,.log li.k-online{color:#fff;border-left-style:dashed;border-left-color:#fff}
.log li.k-join .ev-mark,.log li.k-leave .ev-mark{color:#6d6d6d}
.log li.cursor{color:#fff;padding-top:2px}
.log li.cursor::before{content:'';display:inline-block;width:8px;height:15px;margin-left:117px;background:#fff;animation:blink 1s steps(1) infinite}
.log li.idle{color:#8c8c8c;padding-top:10px}
@keyframes logIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes logFlash{from{background:rgba(255,255,255,.22)}to{background:transparent}}
.log-jump{position:absolute;right:14px;bottom:10px;padding:6px 14px;font:600 12px var(--mono);letter-spacing:.1em;background:var(--bg);color:var(--ink);border:1px solid var(--ink);box-shadow:3px 3px 0 var(--g3)}
.log-jump:hover,.log-jump:focus-visible{background:var(--g1)}
.log-jump:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* rules / letter */
.rules{padding-bottom:160px}
.letter{position:relative;max-width:860px;margin:0 auto;background:#fcfcfc;border:1px solid var(--ink);box-shadow:14px 14px 0 var(--g2);padding:56px 64px 48px 120px;transform:rotate(-.6deg);transition:transform .6s var(--ease),box-shadow .6s var(--ease);
  background-image:repeating-linear-gradient(transparent 0 39px,var(--g2) 39px 40px);background-position:0 24px}
.letter.reveal.in{transform:rotate(-.6deg)}
.letter:hover{transform:rotate(0);box-shadow:20px 20px 0 var(--g2)}
.letter::before{content:"";position:absolute;left:84px;top:0;bottom:0;width:5px;border-left:1px solid var(--ink);border-right:1px solid var(--ink);opacity:.5}
.letter::after{content:"";position:absolute;left:26px;top:70px;width:18px;height:18px;border-radius:50%;border:1px solid var(--ink);background:var(--bg);box-shadow:0 240px 0 -1px var(--bg),0 240px 0 0 var(--ink),0 480px 0 -1px var(--bg),0 480px 0 0 var(--ink)}
.letter-fold{position:absolute;top:0;right:0;width:0;height:0;border-style:solid;border-width:0 48px 48px 0;border-color:transparent var(--bg) var(--g2) transparent;filter:drop-shadow(-2px 2px 0 var(--ink))}
.letter-head{position:relative;z-index:1;display:flex;flex-direction:column;gap:4px;padding-bottom:12px;margin-bottom:28px;background:#fcfcfc;margin-left:-8px;padding-left:8px;margin-right:-8px}
.letter-no{font:12px var(--mono);letter-spacing:.3em;color:var(--g3)}
.letter-head h3{font-size:32px;letter-spacing:.3em;font-family:var(--serif)}
.letter-date{font:12px var(--mono);color:var(--g4)}
.letter-body{font-family:var(--serif);font-size:18px;line-height:40px}
.letter-body p{margin:0}
.letter-body .greet{font-weight:700}
.letter-body h4{font-size:21px;font-weight:700;line-height:40px;margin:22px 0 4px;padding-bottom:2px;border-bottom:1px dashed var(--g3)}
.letter-body h5{font-size:17px;font-weight:700;line-height:34px;margin:10px 0 0;color:var(--g4)}
.letter-body .note{font-size:15px;line-height:28px;color:var(--g4);margin:2px 0 0}
.letter-body .closing{margin-top:26px}
.letter-body .passcode{display:flex;align-items:center;gap:18px;margin:14px 0 6px;padding:8px 18px;border:1px dashed var(--ink);background:var(--bg)}
.letter-body .passcode small{flex:1}
.letter-body .passcode b{font:900 28px/1 var(--mono);letter-spacing:.3em}
.letter-body ul{list-style:none;margin:0;padding:0}
.letter-body li{position:relative;padding-left:26px;line-height:32px;opacity:0;transform:translateX(-14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.letter-body li::before{content:"";position:absolute;left:6px;top:14px;width:6px;height:6px;background:var(--ink)}
.letter-body .chips{display:flex;flex-wrap:wrap;gap:8px 10px;padding:6px 0 4px}
.letter-body .chips li{padding:0 14px;line-height:30px;font-size:16px;border:1px solid var(--ink);background:var(--bg)}
.letter-body .chips li::before{display:none}
.letter.in li{opacity:1;transform:none}
.letter.in li:nth-child(1){transition-delay:.3s}
.letter.in li:nth-child(2){transition-delay:.4s}
.letter.in li:nth-child(3){transition-delay:.5s}
.letter.in li:nth-child(4){transition-delay:.6s}
.letter.in li:nth-child(5){transition-delay:.7s}
.letter.in li:nth-child(6){transition-delay:.8s}
.letter.in li:nth-child(7){transition-delay:.9s}
.letter-body[hidden]{display:none}
.letter-body.swap{animation:ruleswap .5s var(--ease)}
@keyframes ruleswap{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rules-tabs{display:flex;max-width:860px;margin-left:auto;margin-right:auto}
.letter-foot{display:flex;justify-content:flex-end;align-items:center;gap:30px;margin-top:20px;padding-right:20px}
.sign{text-align:right;font-family:var(--serif)}
.sign b{display:block;font:700 18px var(--mono);letter-spacing:.2em}
.seal{width:92px;height:92px;border:3px double var(--ink);border-radius:50%;display:grid;place-items:center;text-align:center;font:700 20px/1.2 var(--serif);transform:rotate(-14deg) scale(2);opacity:0;color:var(--ink);transition:transform .5s cubic-bezier(.3,1.6,.5,1) 1.2s,opacity .2s 1.2s}
.letter.in .seal{transform:rotate(-14deg);opacity:.85}

/* footer / toast */
.site-foot{display:flex;justify-content:space-between;padding:28px 48px;background:var(--ink);color:var(--g3);font:12px var(--mono);letter-spacing:.15em}
.site-foot a:hover{color:var(--bg)}
.toast{position:fixed;left:50%;bottom:40px;z-index:200;transform:translate(-50%,30px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 28px;font:13px var(--mono);letter-spacing:.2em;transition:.4s var(--ease);pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* responsive */
@media(max-width:1100px){
  .nav{padding:0 20px}.nav-clock{display:none}.nav-links a{padding:0 14px}
  .hero{padding:calc(var(--nav-h) + 40px) 24px 140px}.hero-meta{display:none}
  .sec{padding:90px 24px}.sec::before{left:24px;right:24px}
  .srv-grid{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr 1fr}.contact-title{grid-column:span 2}
  .p-metrics,.p-chart,.p-score,.p-players{grid-column:span 12}
}
@media(max-width:640px){
  .nav-links a small,.nav-links a::after,.logo-text small{display:none}
  .nav{padding:0 12px;gap:8px}
  .nav-logo,.nav-side{flex:none}
  .nav-links{flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{flex:none;padding:0 6px}.nav-links a b{font-size:12px}.logo-text{display:none}
  .auth-more,.auth-name::before,.auth-name.unbound::after{display:none}.auth-name{max-width:64px}.auth-btn,.auth-out{padding:6px 10px;font-size:12px}
  .sec-head{flex-wrap:wrap;gap:12px}.sec-no{font-size:56px}.sec-head h2{font-size:30px}.sec-note{margin-left:0}
  .letter{padding:40px 22px 36px 62px}.letter::before{left:42px}.letter::after{left:10px}
  .letter-body{font-size:16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}}