/* ============================================================
   竞技联盟德州 · /assets/site.css
   深夜竞技场视觉体系：墨绿底 / 炭黑阅读区 / 绒布绿分区 /
   筹码金强调 / 粗边框 + 硬阴影粗野主义细节
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#0A1F18;
  --ink-deep:#0B1B15;
  --carbon:#11151A;
  --felt:#1F7A54;
  --felt-deep:#14523A;
  --felt-bright:#35A374;
  --chip:#E3B85C;
  --chip-deep:#A97E2C;
  --alert:#E04B45;
  --paper:#F2F5F2;
  --mist:#9AA8A2;
  --neon:#4FD1C5;

  --edge:rgba(227,184,92,.34);
  --edge-soft:rgba(242,245,242,.14);
  --edge-neon:rgba(79,209,197,.42);

  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --shadow-hard:6px 6px 0 rgba(0,0,0,.55);
  --shadow-soft:4px 4px 0 rgba(0,0,0,.45);
  --radius:2px;

  --container:1200px;
  --gutter:clamp(16px,4vw,40px);
  --header-h:72px;
  --header-h-scrolled:60px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  background-color:var(--ink);
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.014) 0 2px,transparent 2px 4px),
    radial-gradient(1200px 620px at 84% -12%,rgba(79,209,197,.10),transparent 62%),
    radial-gradient(900px 540px at -12% 28%,rgba(31,122,84,.22),transparent 66%),
    linear-gradient(180deg,#0A1F18 0%,#0A1F18 58%,#0B1B15 100%);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--neon)}
a:hover{color:var(--chip)}
table{border-collapse:collapse;width:100%}
#main-content{display:block}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:1px}

/* ---------- 3. 中文排版基元 ---------- */
.display-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2rem,5.2vw,2.75rem);
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.section-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.35rem,2.6vw,1.625rem);
  line-height:1.32;
  letter-spacing:.01em;
}
.card-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.25rem;
  line-height:1.4;
  margin-bottom:8px;
}
.lede{font-size:1.0625rem;line-height:1.75;color:var(--mist);max-width:36em}
.muted{color:var(--mist)}
.prose{max-width:38em}
.prose h2{
  font-family:var(--font-display);font-weight:900;font-size:1.625rem;line-height:1.34;
  margin:2em 0 .6em;padding-left:14px;border-left:6px solid var(--felt-bright);
}
.prose h3{font-weight:800;font-size:1.125rem;line-height:1.5;margin:1.6em 0 .5em;color:var(--chip)}
.prose p{margin-bottom:1.1em}
.prose ul{list-style:none;margin:0 0 1.2em;display:grid;gap:8px}
.prose ul li{position:relative;padding-left:20px;color:var(--mist)}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:2px;background:var(--chip)}
.prose strong{color:var(--paper)}
.prose code{font-family:var(--font-mono);font-size:.92em;color:var(--neon);background:rgba(79,209,197,.10);padding:2px 6px;border:1px solid var(--edge-neon)}

/* ---------- 4. 布局容器与网格 ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(40px,6vw,80px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:clamp(20px,3vw,36px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--neon);margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--chip)}

.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(14px,2vw,22px);
}
.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-12{grid-column:span 12}

/* ---------- 5. 面板 / 卡片 ---------- */
.panel{
  position:relative;
  padding:clamp(16px,2.4vw,26px);
  border:2px solid var(--edge);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(31,122,84,.22),rgba(17,21,26,.88));
  box-shadow:var(--shadow-hard);
}
.panel-carbon{
  background:var(--carbon);
  border-color:var(--edge-soft);
}
.panel-gold{
  border-color:var(--chip-deep);
  background:linear-gradient(150deg,rgba(227,184,92,.16),rgba(17,21,26,.92));
}

/* ---------- 6. 入口塔 / 展签卡 / 数据条 ---------- */
.entry-tower{display:grid;gap:12px}
.entry-card{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;
  background:var(--carbon);
  border:2px solid var(--edge-soft);
  border-left:6px solid var(--felt-bright);
  color:var(--paper);
  text-decoration:none;
  box-shadow:var(--shadow-soft);
  transition:transform .18s ease,box-shadow .18s ease,border-left-color .18s ease;
}
.entry-card:hover,.entry-card:focus-visible{
  transform:translateY(-4px);
  box-shadow:6px 6px 0 rgba(0,0,0,.62);
  border-left-color:var(--chip);
  color:var(--paper);
}
.entry-card:nth-child(even){border-left-color:var(--chip)}
.entry-tag{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;
  color:var(--chip);
  border:1px solid var(--chip-deep);
  padding:2px 8px;
  background:rgba(227,184,92,.08);
}
.entry-title{font-family:var(--font-display);font-weight:800;font-size:1.25rem;line-height:1.4;display:block}
.entry-meta{font-size:14px;line-height:1.6;color:var(--mist);display:block}

.label-card{
  padding:18px 20px;
  background:var(--carbon);
  border:2px solid var(--edge-soft);
  border-top:4px solid var(--chip);
  box-shadow:var(--shadow-soft);
}
.label-key{
  display:block;margin-bottom:6px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--mist);
}
.label-value{display:block;font-size:15px;line-height:1.7;color:var(--paper)}

.data-strip{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:1px;
  background:var(--edge-soft);
  border:2px solid var(--edge-soft);
}
.data-item{background:var(--carbon);padding:16px 18px}
.data-num{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(1.25rem,2.4vw,1.6rem);
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--chip);
}
.data-label{display:block;margin-top:6px;font-size:13px;line-height:1.6;color:var(--mist)}

/* ---------- 7. 斜切分区带 / 标签条 ---------- */
.zone-band{
  position:relative;
  isolation:isolate;
  padding:clamp(22px,3vw,40px) clamp(18px,3vw,36px);
  margin-block:clamp(28px,4vw,56px);
}
.zone-band::before{
  content:"";
  position:absolute;
  inset:-12px -6px;
  z-index:-1;
  background:linear-gradient(160deg,var(--felt-deep) 0%,#0D2A20 72%);
  border:2px solid var(--chip-deep);
  transform:skewY(-1.6deg);
  box-shadow:var(--shadow-hard);
}

.tag-strip{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:4px 0;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-body);font-size:13px;letter-spacing:.04em;white-space:nowrap;
  padding:7px 13px;
  color:var(--mist);
  background:var(--carbon);
  border:2px solid var(--edge-soft);
  cursor:pointer;
  transition:color .15s ease,border-color .15s ease,background-color .15s ease;
}
.chip:hover{color:var(--paper);border-color:var(--edge)}
.chip[aria-pressed="true"],.chip.is-active{
  background:var(--felt);
  color:#04211A;
  font-weight:700;
  border-color:var(--felt-bright);
}

/* ---------- 8. 图像容器（页面阶段放置图片） ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#123326,#0B1B15);
  border:2px solid var(--edge-soft);
  box-shadow:var(--shadow-hard);
}
.media-frame > img,
.media-frame > svg,
.media-frame > video{
  display:block;width:100%;height:100%;object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 92% at 50% 0%,transparent 42%,rgba(0,0,0,.55) 100%),
    repeating-linear-gradient(115deg,rgba(79,209,197,.06) 0 2px,transparent 2px 9px);
}
.media-frame-wide{aspect-ratio:21/9}
.media-frame-square{aspect-ratio:1/1}
.media-frame-tall{aspect-ratio:3/4}
.media-caption{
  display:block;margin-top:8px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;color:var(--mist);
}

/* ---------- 9. 折叠组 ---------- */
.collapse{
  margin-bottom:12px;
  background:var(--carbon);
  border:2px solid var(--edge-soft);
}
.collapse-trigger{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;
  padding:16px 18px;
  font-family:var(--font-body);font-size:1.0625rem;font-weight:700;line-height:1.5;text-align:left;
  color:var(--paper);
  background:none;border:0;cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.collapse-trigger:hover{background:rgba(31,122,84,.24)}
.collapse-trigger[aria-expanded="true"]{color:var(--chip)}
.collapse-icon{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:18px;color:var(--chip);
  transition:transform .22s ease;
}
.collapse-trigger[aria-expanded="true"] .collapse-icon{transform:rotate(45deg)}
.collapse-panel{overflow:hidden;max-height:0;transition:max-height .22s ease}
.collapse-panel[data-open="true"]{max-height:900px}
.collapse-inner{padding:0 18px 18px;color:var(--mist);font-size:1rem;line-height:1.75}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs{margin:22px 0 0;font-size:13px;line-height:1.6;color:var(--mist)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:var(--chip-deep)}
.crumb{color:var(--mist);text-decoration:none}
.crumb:hover{color:var(--neon)}
.crumb[aria-current="page"]{color:var(--paper)}

/* ---------- 11. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.06em;line-height:1;
  padding:12px 18px;
  color:var(--paper);
  background:none;
  border:2px solid transparent;
  border-radius:var(--radius);
  text-decoration:none;
  cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background-color .15s ease,color .15s ease,border-color .15s ease;
}
.btn-gold{
  background:var(--chip);
  color:#1A1305;
  border-color:var(--chip-deep);
  box-shadow:4px 4px 0 rgba(0,0,0,.5);
}
.btn-gold:hover{background:#F0CA79;color:#1A1305;transform:translate(-1px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.56)}
.btn-gold:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(0,0,0,.5)}
.btn-outline{background:transparent;color:var(--paper);border-color:var(--edge)}
.btn-outline:hover{border-color:var(--neon);color:var(--neon)}
.btn-felt{background:var(--felt);color:#04211A;border-color:var(--felt-bright);box-shadow:4px 4px 0 rgba(0,0,0,.45)}
.btn-felt:hover{background:var(--felt-bright);color:#04211A;transform:translate(-1px,-2px)}

/* ---------- 12. 跳至主要内容 ---------- */
.skip-link{
  position:fixed;top:0;left:-9999px;z-index:200;
  padding:12px 18px;
  background:var(--chip);color:#1A1305;
  font-size:14px;font-weight:700;text-decoration:none;
  border:2px solid var(--chip-deep);
}
.skip-link:focus{left:var(--gutter);top:10px}

/* ---------- 13. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(10,31,24,.94) 0%,rgba(10,31,24,.62) 62%,rgba(10,31,24,0) 100%);
  border-bottom:2px solid transparent;
  transition:background-color .18s ease,border-color .18s ease,backdrop-filter .18s ease;
}
.site-header[data-scrolled="true"]{
  background:rgba(17,21,26,.97);
  border-bottom-color:var(--chip-deep);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.header-shell{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:var(--header-h);
  transition:min-height .18s ease;
}
.site-header[data-scrolled="true"] .header-shell{min-height:var(--header-h-scrolled)}

.brand{display:inline-flex;align-items:center;gap:11px;padding:6px 0;color:var(--paper);text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:flex-end;gap:3px;
  width:28px;height:28px;
  padding:3px;
  background:var(--felt-deep);
  border:2px solid var(--chip);
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
}
.brand-mark-lg{width:34px;height:34px}
.brand-pip{display:block;flex:1;background:var(--chip);height:52%}
.brand-pip:nth-child(2){height:100%;background:var(--felt-bright)}
.brand-pip:nth-child(3){height:74%}
.brand-text{display:block}
.brand-name{
  display:block;
  font-family:var(--font-display);font-weight:900;font-size:20px;line-height:1.15;letter-spacing:.02em;
  color:var(--paper);
}
.brand-tagline{display:block;font-size:12px;line-height:1.4;letter-spacing:.08em;color:var(--mist)}

.site-nav{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{display:block}
.nav-link{
  position:relative;display:block;
  padding:10px 12px;
  font-size:15px;line-height:1.5;letter-spacing:.04em;
  color:var(--paper);text-decoration:none;
  border-bottom:2px solid transparent;
  transition:color .15s ease,background-color .15s ease,border-color .15s ease;
}
.nav-link:hover{color:var(--chip);background:rgba(31,122,84,.35)}
.nav-link[aria-current="page"]{
  color:var(--chip);
  border-bottom-color:var(--chip);
  background:linear-gradient(180deg,transparent,rgba(227,184,92,.16));
}

.header-actions{display:flex;align-items:center;gap:10px}
.nav-cta{width:100%;margin-top:14px}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 12px;
  background:var(--carbon);
  color:var(--paper);
  border:2px solid var(--chip-deep);
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
  cursor:pointer;
}
.nav-toggle-label{font-size:13px;letter-spacing:.1em;color:var(--mist)}
.nav-toggle-box{display:inline-flex;flex-direction:column;justify-content:space-between;width:20px;height:14px}
.nav-toggle-bar{display:block;height:2px;background:var(--chip);transition:transform .18s ease,opacity .18s ease}
.site-header[data-open="true"] .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-header[data-open="true"]{background:rgba(17,21,26,.97);border-bottom-color:var(--chip-deep)}

.scroll-progress{
  display:block;position:absolute;left:0;bottom:-2px;width:0;height:3px;
  background:linear-gradient(90deg,var(--felt-bright),var(--chip) 55%,var(--neon));
  transition:width .12s linear;
}

/* ---------- 14. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:var(--carbon);
  border-top:2px solid var(--chip-deep);
}
.site-footer::before{
  content:"";
  position:absolute;top:-2px;left:0;right:0;height:6px;
  background:repeating-linear-gradient(90deg,var(--felt) 0 26px,var(--chip) 26px 52px,var(--alert) 52px 78px);
  opacity:.6;
}
.footer-shell{padding-block:clamp(38px,5vw,64px) 26px}
.footer-top{
  display:grid;
  grid-template-columns:minmax(220px,1fr) 2fr;
  gap:clamp(24px,4vw,56px);
}
.footer-brand{display:block}
.footer-name{
  margin-top:12px;
  font-family:var(--font-display);font-weight:900;font-size:22px;line-height:1.25;letter-spacing:.02em;
  color:var(--paper);
}
.footer-tagline{margin-top:6px;font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--chip)}
.footer-note{margin-top:14px;max-width:34em;font-size:13px;line-height:1.75;color:var(--mist)}
.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,32px)}
.footer-col{min-width:0}
.footer-col-title{
  margin-bottom:12px;
  font-family:var(--font-display);font-weight:900;font-size:15px;line-height:1.4;letter-spacing:.14em;
  color:var(--chip);text-transform:uppercase;
}
.footer-links{display:grid;gap:8px}
.footer-link{
  font-size:14px;line-height:1.65;color:var(--mist);text-decoration:none;
  overflow-wrap:break-word;
  transition:color .15s ease;
}
.footer-link:hover{color:var(--neon)}
.footer-meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;
  margin-top:clamp(28px,4vw,48px);
  padding-top:18px;
  border-top:1px solid var(--edge-soft);
  font-size:13px;line-height:1.7;color:var(--mist);
}
.footer-icp{font-family:var(--font-mono);letter-spacing:.04em}

/* ---------- 15. 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1024px){
  .col-3,.col-4,.col-5{grid-column:span 6}
  .col-7,.col-8,.col-9{grid-column:span 12}
  .footer-top{grid-template-columns:1fr}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .header-cta{display:none}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    margin-left:0;
    display:block;
    padding:10px var(--gutter) 22px;
    background:var(--carbon);
    border-top:2px solid var(--chip-deep);
    border-bottom:2px solid var(--chip-deep);
    max-height:0;overflow:hidden;visibility:hidden;opacity:0;
    transition:max-height .22s ease,opacity .2s ease;
  }
  .site-nav[data-open="true"]{
    max-height:min(78vh,560px);
    overflow-y:auto;
    visibility:visible;
    opacity:1;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    padding:14px 4px;
    font-size:17px;
    border-bottom:1px solid var(--edge-soft);
  }
  .nav-link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(227,184,92,.18),transparent);
    border-bottom-color:var(--chip);
  }
  .footer-grid{grid-template-columns:1fr}
  .footer-meta{flex-direction:column;align-items:flex-start}
}

@media (min-width:901px){
  .nav-cta{display:none}
}

@media (max-width:720px){
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{grid-column:span 12}
  .display-title{letter-spacing:-.01em}
  .data-strip{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- 17. 减弱动效 ---------- */
@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;
  }
  .reveal{opacity:1;transform:none}
  .entry-card:hover{transform:none}
  .btn-gold:hover{transform:none}
}