/* ===== 雷竞技赛场 · 共享外壳 /assets/site.css ===== */

:root{
  --ink:#070B14;
  --ink-2:#0E1828;
  --deep-teal:#0C2B33;
  --wine:#2A1220;
  --cyan:#45E0CE;
  --orange:#FF7A33;
  --green:#6FE39A;
  --mist:#C9D6E6;
  --white:#F4F8FF;
  --grey:#5E7189;

  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --pill:999px;

  --max:1240px;
  --gutter:16px;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-data:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --dur:220ms;
  --ease:cubic-bezier(.2,.7,.3,1);
}

@media (min-width:760px){ :root{ --gutter:24px; } }

*,
*::before,
*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--ink);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}

@media (min-width:900px){
  body{ font-size:17px; }
}

main{ display:block; }

img,
svg,
picture{ display:block; max-width:100%; }

a{ color:inherit; }

h1,h2,h3,h4,h5{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  color:var(--white);
  letter-spacing:-.01em;
  line-height:1.25;
  overflow-wrap:break-word;
}

p{ margin:0 0 1em; }
p:last-child{ margin-bottom:0; }

ul,ol{ margin:0; padding:0; list-style:none; }

button{ font:inherit; color:inherit; }

::selection{
  background:var(--cyan);
  color:#04121A;
}

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

/* ---------- 通用文字层 ---------- */

.display{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.01em;
  transform:skewX(-2deg);
  color:var(--white);
}

.data{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:0;
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-data);
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  transition:color var(--dur) var(--ease);
}

.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* ---------- 跳转 ---------- */

.skip-link{
  position:fixed;
  left:12px;
  top:-72px;
  z-index:200;
  display:inline-block;
  padding:10px 18px;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  background:var(--cyan);
  color:#04121A;
  font-family:var(--font-display);
  font-weight:900;
  font-size:15px;
  text-decoration:none;
  transition:top 160ms var(--ease);
}
.skip-link:focus{ top:0; }

/* ---------- 刊头 ---------- */

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg,rgba(7,11,20,.97) 0%,rgba(7,11,20,.86) 70%,rgba(7,11,20,.78) 100%);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(94,113,137,.22);
  color:var(--white);
}

.progress{
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:rgba(69,224,206,.14);
  overflow:hidden;
}
.progress__fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--green) 55%,var(--orange) 100%);
  transition:width 120ms linear;
}

.header-band{
  display:none;
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  align-items:center;
  gap:16px;
  height:56px;
  padding-inline:var(--gutter);
}
.header-band__brand{
  justify-self:start;
  font-family:var(--font-display);
  font-weight:900;
  font-size:15px;
  letter-spacing:.06em;
  color:var(--white);
  text-decoration:none;
  transform:skewX(-2deg);
  display:inline-block;
}
.header-band__brand:hover{ color:var(--cyan); }

.header-band__section{
  justify-self:center;
  margin:0;
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-family:var(--font-data);
  font-size:13px;
  color:var(--mist);
  white-space:nowrap;
}
.header-band__label{
  font-size:11px;
  letter-spacing:.18em;
  color:var(--grey);
}
.header-band__meter{
  justify-self:end;
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-family:var(--font-data);
  font-size:13px;
}
.header-band__count{
  color:var(--cyan);
  font-weight:700;
  min-width:3.4em;
  text-align:right;
}
.header-band__unit{
  font-size:11px;
  letter-spacing:.14em;
  color:var(--grey);
}

.masthead{
  display:grid;
  gap:12px;
  justify-items:center;
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding:14px var(--gutter) 12px;
}

.masthead__inner{
  display:grid;
  justify-items:center;
  gap:6px;
  text-align:center;
  max-height:180px;
  opacity:1;
  overflow:hidden;
  transition:max-height var(--dur) var(--ease),opacity var(--dur) var(--ease);
}

.masthead__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--grey);
}

.masthead__line{
  margin:0;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--mist);
  opacity:.82;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--white);
}
.brand__mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:var(--radius-sm);
  background:linear-gradient(140deg,var(--cyan) 0%,#1C8F86 100%);
  color:#04121A;
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  line-height:1;
  transform:skewX(-2deg);
  box-shadow:0 0 0 1px rgba(69,224,206,.35),0 10px 26px rgba(69,224,206,.18);
}
.brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:25px;
  letter-spacing:.05em;
  transform:skewX(-2deg);
  display:inline-block;
}
.brand--footer .brand__name{ font-size:22px; }

/* ---------- 导航 ---------- */

.nav-row{
  position:relative;
  display:flex;
  justify-content:flex-end;
  width:100%;
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 18px 9px 14px;
  border-radius:var(--pill);
  border:1px solid rgba(69,224,206,.45);
  background:rgba(69,224,206,.06);
  color:var(--cyan);
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  letter-spacing:.06em;
  cursor:pointer;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{ background:rgba(69,224,206,.14); border-color:var(--cyan); }
.nav-toggle__bars{
  display:grid;
  gap:3px;
  width:16px;
}
.nav-toggle__bars i{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }

.nav{ display:none; }
.nav[data-open]{ display:block; }

.nav__list{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:6px;
}

.nav__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--pill);
  border:1px solid transparent;
  color:var(--mist);
  font-size:14.5px;
  font-weight:600;
  text-decoration:none;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav__link:hover{
  color:var(--white);
  background:rgba(69,224,206,.1);
}
.nav__link[aria-current="page"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#04121A;
  font-weight:800;
  box-shadow:0 8px 22px rgba(69,224,206,.26);
}

@media (max-width:759px){
  .nav-row{ justify-content:flex-end; }
  .nav{
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + 10px);
    z-index:5;
    padding:10px;
    border-radius:18px;
    background:var(--ink-2);
    border:1px solid rgba(69,224,206,.22);
    box-shadow:0 28px 56px rgba(0,0,0,.62);
    animation:navIn var(--dur) var(--ease);
  }
  .nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }
  .nav__link{
    display:block;
    text-align:left;
    padding:12px 16px;
    font-size:15px;
    border-radius:var(--radius-sm);
  }
}

@keyframes navIn{
  from{ opacity:0; transform:translateY(-6px); }
  to{ opacity:1; transform:translateY(0); }
}

@media (min-width:760px){
  .nav{ display:block; }
  .nav-toggle{ display:none; }
  .nav-row{ justify-content:center; }
  .nav__link{ font-size:15px; }
}

@media (min-width:900px){
  .site-header.is-condensed .masthead__inner{
    max-height:0;
    opacity:0;
    pointer-events:none;
  }
  .site-header.is-condensed .header-band{
    display:grid;
    grid-template-columns:auto 1fr auto;
    height:56px;
  }
  .site-header.is-condensed .masthead{
    padding-top:8px;
    padding-bottom:10px;
    gap:8px;
  }
  .site-header.is-condensed .nav__link{
    padding:6px 14px;
    font-size:14px;
  }
}

@media (max-width:899px){
  .site-header.is-condensed .masthead__eyebrow,
  .site-header.is-condensed .masthead__line{ display:none; }
  .site-header.is-condensed .brand__mark{
    width:30px;height:30px;border-radius:9px;font-size:16px;
  }
  .site-header.is-condensed .brand__name{ font-size:19px; }
  .site-header.is-condensed .masthead{ padding-top:8px; padding-bottom:8px; gap:8px; }
}

/* ---------- 按钮与标签 ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 24px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-family:var(--font-display);
  font-weight:800;
  font-size:15px;
  letter-spacing:.04em;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--primary{
  background:var(--orange);
  color:#200C02;
  box-shadow:0 12px 28px rgba(255,122,51,.24);
}
.btn--primary:hover{
  background:#FF9457;
  transform:translateY(-1px);
}
.btn--ghost{
  background:transparent;
  border-color:rgba(69,224,206,.6);
  color:var(--cyan);
}
.btn--ghost:hover{
  background:rgba(69,224,206,.12);
  border-color:var(--cyan);
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--pill);
  border:1px solid rgba(94,113,137,.42);
  background:rgba(14,24,40,.6);
  font-size:13px;
  line-height:1.6;
  color:var(--mist);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:4px 12px;
  border-radius:var(--pill);
  border:1px solid rgba(69,224,206,.4);
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cyan);
}
.tag--live{
  border-color:rgba(255,122,51,.62);
  color:var(--orange);
}

.dot{
  display:inline-block;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  flex:none;
}
.dot--cyan{ background:var(--cyan); box-shadow:0 0 0 4px rgba(69,224,206,.16); }
.dot--orange{ background:var(--orange); box-shadow:0 0 0 4px rgba(255,122,51,.16); }
.dot--green{ background:var(--green); box-shadow:0 0 0 4px rgba(111,227,154,.16); }

/* ---------- 布局骨架 ---------- */

.container{
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
@media (min-width:760px){
  .grid{ grid-template-columns:repeat(12,minmax(0,1fr)); gap:var(--gutter); }
}

.stack{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.section{
  position:relative;
  padding-block:64px;
}
@media (min-width:900px){
  .section{ padding-block:96px; }
}

.section[data-section].is-active .kicker{ color:var(--orange); }

/* ---------- 框景 / 分区底 / 媒体容器 ---------- */

.frame{
  position:relative;
  padding:24px;
  border-radius:var(--radius-lg);
  background:var(--ink-2);
  border:1px solid rgba(94,113,137,.24);
  overflow:hidden;
}
.frame::before,
.frame::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  height:6px;
  background-image:repeating-linear-gradient(90deg,var(--grey) 0 1px,transparent 1px 10px);
  opacity:.55;
  pointer-events:none;
}
.frame::before{ top:2px; }
.frame::after{ bottom:2px; }

.frame__label{
  position:absolute;
  top:14px;
  left:16px;
  z-index:2;
  padding:2px 10px;
  border-radius:var(--pill);
  background:var(--deep-teal);
  color:var(--cyan);
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.frame__corners{
  position:absolute;
  inset:10px;
  pointer-events:none;
  background-image:
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;
  background-size:
    14px 1px,1px 14px,
    14px 1px,1px 14px,
    14px 1px,1px 14px,
    14px 1px,1px 14px;
  background-position:
    left top,left top,
    right top,right top,
    left bottom,left bottom,
    right bottom,right bottom;
  opacity:.7;
}

.surface{
  border-radius:var(--radius-lg);
  background:var(--ink-2);
  padding:24px;
}
.surface--teal{ background:var(--deep-teal); }
.surface--wine{ background:var(--wine); }

.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  aspect-ratio:16 / 9;
  background:
    radial-gradient(120% 90% at 18% 12%,rgba(69,224,206,.28) 0%,rgba(69,224,206,0) 58%),
    radial-gradient(100% 80% at 88% 88%,rgba(255,122,51,.22) 0%,rgba(255,122,51,0) 60%),
    linear-gradient(140deg,var(--deep-teal) 0%,var(--ink-2) 55%,var(--wine) 100%);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(201,214,230,.14) 0 1px,transparent 1px 42px);
  opacity:.35;
  pointer-events:none;
}
.media > img,
.media > picture > img{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--wide{ aspect-ratio:21 / 9; }
.media--square{ aspect-ratio:1 / 1; }
.media__caption{
  position:absolute;
  left:16px;
  bottom:14px;
  z-index:2;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}

/* ---------- 面包屑 ---------- */

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:16px;
  font-family:var(--font-data);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--grey);
}
.breadcrumbs a{
  color:var(--mist);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.breadcrumbs a:hover{ color:var(--cyan); }
.breadcrumbs__sep{ color:var(--grey); opacity:.6; }

/* ---------- 页脚 ---------- */

.site-footer{
  position:relative;
  margin-top:80px;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 46%,#0A1220 100%);
  border-top:1px solid rgba(69,224,206,.18);
  color:var(--mist);
}

.footer__ticks{
  height:6px;
  background-image:repeating-linear-gradient(90deg,rgba(94,113,137,.55) 0 1px,transparent 1px 14px);
  opacity:.7;
}

.footer__inner{
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding:52px var(--gutter) 28px;
}

.footer__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
@media (min-width:760px){
  .footer__grid{ grid-template-columns:1fr 1.6fr; gap:48px; }
}
@media (min-width:1000px){
  .footer__grid{ grid-template-columns:1.05fr 2.1fr; gap:64px; }
}

.footer__brand{ display:grid; gap:12px; justify-items:start; }

.footer__tagline{
  margin:0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}

.footer__summary{
  margin:0;
  max-width:32em;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}

.footer__cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px 20px;
}
@media (min-width:760px){
  .footer__cols{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}

.footer__col{ display:grid; gap:12px; align-content:start; }

.footer__title{
  margin:0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--grey);
}

.footer__list{ display:grid; gap:8px; }

.footer__item{ margin:0; }

.footer__link{
  display:inline-block;
  padding:2px 0;
  font-size:15px;
  color:var(--mist);
  text-decoration:none;
  border-left:0 solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer__link:hover{
  color:var(--white);
  border-left:3px solid var(--cyan);
  padding-left:9px;
}

.footer__contact{
  margin-top:44px;
  padding:22px 24px;
  border-radius:var(--radius-lg);
  background:rgba(12,43,51,.62);
  border:1px solid rgba(69,224,206,.2);
  display:grid;
  gap:8px;
}

.footer__contact-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:15px;
  letter-spacing:.08em;
  color:var(--white);
}

.footer__contact-line{
  margin:0;
  font-size:14.5px;
  color:var(--mist);
  overflow-wrap:break-word;
}

.footer__contact-note{
  margin:0;
  font-size:13px;
  color:var(--grey);
}

.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:26px;
  padding-top:18px;
  border-top:1px dashed rgba(94,113,137,.4);
  font-family:var(--font-data);
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--grey);
}
.footer__legal-sep{ opacity:.5; }

/* ---------- 动效可访问性 ---------- */

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .progress__fill{ transition:none; }
}