/* ==========================================================================
   雷竞技主站 · /assets/site.css
   共享外壳：刊头导航 + 档案式页脚 + 基础组件
   ========================================================================== */

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

:root{
  /* 品牌主色 */
  --eb:#1B4DFF;
  --eb-deep:#0B2AB8;
  --neon:#7CFF4F;
  --lake:#1FA6A0;
  --night:#0B1020;
  --night-2:#141C36;
  --cream:#F4EFE3;
  --amber:#FFB020;
  --red:#FF3B3B;
  --mist:#9AA7C7;
  --glass:rgba(255,255,255,.12);
  --glass-line:rgba(255,255,255,.24);

  /* 语义色 */
  --ink:#0B1020;
  --ink-soft:#414B69;
  --line:rgba(11,16,32,.12);
  --line-strong:rgba(11,16,32,.26);

  /* 度量 */
  --shell:1180px;
  --gutter:clamp(16px,4vw,40px);
  --radius:14px;
  --radius-lg:22px;
  --shadow-1:0 10px 28px rgba(11,16,32,.12);
  --shadow-2:0 20px 48px rgba(11,16,32,.24);

  /* 字体 */
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,"Roboto Mono","Courier New",monospace;
}

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

body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5{
  margin:0 0 .5em;
  font-weight:900;
  line-height:1.18;
  letter-spacing:-.01em;
}

p{margin:0 0 1em;}
ul,ol{padding-left:1.25em;}
img,svg,video{max-width:100%;height:auto;display:block;}
a{color:var(--eb-deep);text-underline-offset:3px;}

:focus-visible{
  outline:3px solid var(--neon);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- 通用容器 ---------- */

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

.prose{max-width:34em;font-size:16.5px;}
.prose p{margin:0 0 1.15em;}
.prose h2{margin-top:1.8em;font-size:clamp(22px,3vw,30px);}
.prose h3{margin-top:1.4em;font-size:clamp(18px,2.2vw,22px);}

.skip-link{
  position:fixed;
  left:50%;
  top:-120px;
  transform:translateX(-50%);
  z-index:300;
  padding:10px 22px;
  background:var(--neon);
  color:var(--night);
  font-weight:900;
  font-size:14px;
  text-decoration:none;
  border-radius:0 0 12px 12px;
  transition:top .2s ease;
}
.skip-link:focus-visible{top:0;outline-offset:0;}

/* ==========================================================================
   页头
   ========================================================================== */

.site-header{position:relative;z-index:60;}

/* 版本条 */
.topline{background:var(--eb);color:#fff;font-size:13px;}
.topline__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px 20px;
  flex-wrap:wrap;
  min-height:38px;
  padding-block:6px;
}
.topline__badge{font-weight:800;letter-spacing:.02em;}
.topline__meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.84);
}

/* 居中刊头 */
.masthead{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#FBF7EC 0%,var(--cream) 100%);
  border-bottom:1px solid var(--line);
}
.masthead::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(11,16,32,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,16,32,.055) 1px,transparent 1px);
  background-size:28px 28px;
  pointer-events:none;
}
.masthead::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-90px;
  width:240px;
  height:240px;
  background:var(--eb);
  opacity:.1;
  transform:rotate(24deg);
  pointer-events:none;
}
.masthead__inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:10px;
  padding-block:clamp(18px,3.4vw,32px);
}
.masthead__rail{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.32em;
  color:var(--eb-deep);
  writing-mode:vertical-rl;
  text-orientation:mixed;
  justify-self:start;
  align-self:end;
  opacity:.7;
  user-select:none;
}
.masthead__rail--right{
  justify-self:end;
  align-self:start;
  transform:rotate(180deg);
  color:var(--lake);
}
.brand{
  grid-column:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  text-align:center;
  text-decoration:none;
  color:inherit;
}
.brand__mark{
  position:relative;
  display:inline-block;
  font-size:clamp(32px,6.2vw,58px);
  font-weight:900;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--night);
}
.brand__mark::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-6px;
  height:5px;
  border-radius:99px;
  background:linear-gradient(90deg,var(--eb) 0%,var(--lake) 62%,var(--neon) 100%);
}
.brand__sub{
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--ink-soft);
}

/* 粘性栏目条 */
.nav-bar{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--night);
  color:var(--cream);
  border-bottom:1px solid rgba(124,255,79,.18);
  box-shadow:0 12px 32px rgba(11,16,32,.3);
}
.nav-bar__inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(10px,2.2vw,26px);
  min-height:58px;
  padding-block:6px;
}
.site-nav{flex:1 1 auto;display:flex;justify-content:center;}
.site-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:clamp(2px,1.2vw,8px);
  margin:0;
  padding:0;
  list-style:none;
}
.site-nav__list a{
  position:relative;
  display:block;
  padding:9px 13px;
  border-radius:10px;
  color:rgba(244,239,227,.82);
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  text-decoration:none;
  transition:color .18s ease,background-color .18s ease;
}
.site-nav__list a:hover{color:#fff;background:rgba(27,77,255,.36);}
.site-nav__list a[aria-current="page"]{
  color:var(--night);
  background:var(--neon);
}
.site-nav__list a[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-7px;
  width:7px;
  height:7px;
  transform:translateX(-50%) rotate(45deg);
  background:var(--neon);
}

.quick-entry{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  border-radius:11px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:var(--cream);
  font-size:13px;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.quick-entry:hover{
  border-color:var(--neon);
  background:rgba(124,255,79,.16);
  transform:translateY(-1px);
}
.quick-entry__label{font-weight:800;letter-spacing:.06em;}
.quick-entry__hint{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--mist);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  border:1px solid var(--glass-line);
  border-radius:11px;
  background:transparent;
  color:var(--cream);
  font:inherit;
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  cursor:pointer;
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle__bars::before{top:-6px;}
.nav-toggle__bars::after{top:6px;}

.nav-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--neon),var(--lake));
  transform:scaleX(0);
  transform-origin:0 50%;
  will-change:transform;
}

/* ==========================================================================
   页脚
   ========================================================================== */

.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:clamp(48px,8vw,96px);
  background:var(--night);
  color:rgba(244,239,227,.86);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(115deg,transparent 0%,rgba(27,77,255,.3) 26%,transparent 45%),
    linear-gradient(115deg,transparent 54%,rgba(31,166,160,.24) 70%,transparent 86%);
  pointer-events:none;
}
.site-footer::after{
  content:"";
  position:absolute;
  left:-10%;
  right:-10%;
  top:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--neon),var(--eb),transparent);
  opacity:.75;
}
.footer__inner{
  position:relative;
  z-index:1;
  padding-block:clamp(40px,6vw,72px) clamp(22px,3vw,34px);
}
.footer__brand{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 18px;
  padding-bottom:18px;
}
.footer__logo{
  font-size:clamp(19px,2.6vw,24px);
  font-weight:900;
  color:var(--cream);
  letter-spacing:.01em;
}
.footer__logo-dot{color:var(--neon);margin-inline:6px;}
.footer__tag{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--mist);
}
.footer__summary{
  max-width:56ch;
  margin:0 0 clamp(24px,4vw,40px);
  padding-bottom:22px;
  border-bottom:1px solid rgba(154,167,199,.22);
  font-size:15.5px;
  color:rgba(244,239,227,.78);
}
.footer__grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,34px);
}
.footer__col-title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.24em;
  color:var(--lake);
}
.footer__links{
  display:grid;
  gap:9px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer__links a{
  color:rgba(244,239,227,.8);
  font-size:14.5px;
  text-decoration:none;
  transition:color .16s ease;
}
.footer__links a:hover,
.footer__links a:focus-visible{color:var(--neon);}
.footer__contact{
  display:grid;
  gap:11px;
  margin:14px 0 0;
  font-size:14px;
}
.footer__contact dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.footer__contact dd{
  margin:2px 0 0;
  color:rgba(244,239,227,.9);
  word-break:break-word;
}
.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 20px;
  margin-top:clamp(26px,4vw,40px);
  padding-top:18px;
  border-top:1px solid rgba(154,167,199,.22);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--mist);
}

.to-top{
  position:fixed;
  right:clamp(14px,3vw,32px);
  bottom:clamp(14px,3vw,32px);
  z-index:90;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid rgba(124,255,79,.5);
  border-radius:50%;
  background:rgba(11,16,32,.86);
  color:var(--neon);
  font-size:18px;
  line-height:1;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.to-top[data-visible]{
  opacity:1;
  visibility:visible;
  transform:none;
}

/* ==========================================================================
   基础组件
   ========================================================================== */

.breadcrumb{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--ink-soft);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li+li::before{
  content:"/";
  margin-right:8px;
  color:var(--mist);
}
.breadcrumb a{color:var(--eb);text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}

.grid{display:grid;gap:clamp(16px,2.6vw,28px);}
.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));}

.card{
  position:relative;
  padding:clamp(16px,2.4vw,24px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow-1);
}
.card__title{
  margin:0 0 6px;
  font-size:clamp(17px,2.2vw,20px);
  font-weight:900;
}
.card__meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.card--glass{
  background:var(--glass);
  border-color:var(--glass-line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  color:var(--cream);
  box-shadow:none;
}
.card--glass .card__meta{color:rgba(244,239,227,.7);}

.on-night{background:var(--night);color:var(--cream);}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  letter-spacing:.03em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{
  background:var(--eb);
  color:#fff;
  box-shadow:0 10px 24px rgba(27,77,255,.34);
}
.btn--primary:hover{background:var(--eb-deep);transform:translateY(-2px);}
.btn--ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--ink);
}
.btn--ghost:hover{border-color:var(--eb);color:var(--eb);transform:translateY(-2px);}
.btn--neon{
  background:var(--neon);
  color:var(--night);
  box-shadow:0 10px 24px rgba(124,255,79,.26);
}
.btn--neon:hover{transform:translateY(-2px);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid rgba(27,77,255,.24);
  border-radius:999px;
  background:rgba(27,77,255,.12);
  color:var(--eb-deep);
  font-size:12px;
  font-weight:800;
  letter-spacing:.06em;
  white-space:nowrap;
}
.tag--live{
  border-color:rgba(124,255,79,.55);
  background:rgba(124,255,79,.2);
  color:#1E5B00;
}
.tag--card-yellow{
  border-color:rgba(255,176,32,.45);
  background:rgba(255,176,32,.18);
  color:#7A4E00;
}
.tag--card-red{
  border-color:rgba(255,59,59,.4);
  background:rgba(255,59,59,.15);
  color:#9E1414;
}

.data{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}

.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:linear-gradient(140deg,var(--night-2) 0%,var(--eb-deep) 100%);
  isolation:isolate;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
}
.media img{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--21x9{aspect-ratio:21/9;}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--3x4{aspect-ratio:3/4;}
.media--1x1{aspect-ratio:1/1;}
.media__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:12px 14px;
  background:linear-gradient(180deg,transparent,rgba(11,16,32,.82));
  color:var(--cream);
  font-size:13px;
  font-family:var(--font-mono);
  letter-spacing:.03em;
}

/* ---------- 显现动效 ---------- */

html.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s cubic-bezier(.2,.7,.3,1),transform .55s cubic-bezier(.2,.7,.3,1);
}
html.has-js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width:1080px){
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:860px){
  .masthead__rail{display:none;}
  .masthead__inner{
    grid-template-columns:1fr;
    padding-block:22px 26px;
  }
  .brand{grid-column:1;}

  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    padding:12px var(--gutter) 20px;
    background:var(--night);
    border-bottom:1px solid rgba(124,255,79,.2);
    box-shadow:0 22px 40px rgba(11,16,32,.45);
  }
  .site-nav[data-open]{display:block;}
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .site-nav__list a{
    padding:13px 14px;
    border-radius:10px;
    font-size:16px;
  }
  .site-nav__list a[aria-current="page"]::after{display:none;}
  .quick-entry__hint{display:none;}
  .quick-entry{padding:9px 13px;}

  .grid--3,
  .grid--2{grid-template-columns:1fr;}
  .prose{max-width:none;}
}

@media (max-width:560px){
  .topline__inner{justify-content:center;text-align:center;}
  .topline__meta{font-size:11.5px;}
  .brand__mark{font-size:clamp(30px,10vw,42px);}
  .footer__grid{grid-template-columns:1fr;}
  .footer__legal{flex-direction:column;align-items:flex-start;}
  .grid--4{grid-template-columns:1fr;}
  .btn{width:100%;justify-content:center;}
}

@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;
  }
  html.has-js [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  .to-top{transition:none;}
}