/* ============================================================
   爱游戏看台 · 共享样式表 /assets/site.css
   夜间球场指挥台：深空黑基底 + 品牌蓝光晕 + 荧光青状态 + 暖纸展签
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,hr{margin:0}
ul,ol{padding:0;list-style:none}
img,picture,svg,video,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid #00F0FF;outline-offset:3px;border-radius:2px}

/* ---------- 2. 设计变量 ---------- */
:root{
  --ink-deep:#0A0E1A;
  --ink-deepest:#070A12;
  --ink-soft:#101A31;
  --blue:#0066FF;
  --cyan:#00F0FF;
  --orange:#FF6B00;
  --paper:#F5EFE3;
  --paper-dim:#E7DFCF;
  --ink:#14110D;
  --gray:#7C8AA5;
  --amber:#FFB020;
  --grad-end:#1F3A6E;

  --text:#E8EDF7;
  --text-soft:#A9B6CE;
  --line:rgba(124,138,165,.26);
  --line-strong:rgba(0,240,255,.42);

  --shell:1280px;
  --gutter:clamp(16px,4vw,32px);
  --radius:4px;
  --shadow-tile:0 18px 40px -30px rgba(0,0,0,.95);
  --shadow-plate:0 26px 52px -34px rgba(0,0,0,.85);

  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono","Source Han Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}

/* ---------- 3. 基底与中文排版 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-deep);
  background-image:
    radial-gradient(1100px 620px at 88% -10%, rgba(0,102,255,.30), transparent 62%),
    radial-gradient(760px 520px at 2% 4%, rgba(0,240,255,.12), transparent 60%),
    linear-gradient(180deg,#0A0E1A 0%, #080C16 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}

h1,.h1{font-weight:900;font-size:clamp(38px,7vw,88px);line-height:.98;letter-spacing:.02em;color:#fff}
h2,.h2{font-weight:900;font-size:clamp(26px,3.6vw,40px);line-height:1.14;letter-spacing:.02em;color:#fff}
h3,.h3{font-weight:800;font-size:clamp(19px,2.2vw,24px);line-height:1.3;color:#fff}
p{text-wrap:pretty}
strong{font-weight:800;color:#fff}

.mono{font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.05em}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan);opacity:.85}
.lede{font-size:17px;line-height:1.7;color:var(--text-soft);max-width:62ch}
.prose{font-size:17px;line-height:1.75;color:var(--text-soft);max-width:70ch}
.prose p + p{margin-top:.9em}
.prose strong,.prose a{color:var(--cyan)}
.prose a{border-bottom:1px solid rgba(0,240,255,.4)}

/* ---------- 4. 布局：容器、区块、栅格 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(30px,4vw,54px)}
.section--tint{
  background:linear-gradient(180deg, rgba(16,26,49,.72), rgba(10,14,26,.35));
  border-block:1px solid var(--line);
}
.hairline{height:1px;border:0;background:linear-gradient(90deg,transparent,var(--line) 18%,var(--line) 82%,transparent)}

.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 32px;margin-bottom:clamp(24px,3.4vw,44px);
}
.section-head__title{max-width:24ch}

.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--split-rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--rail{
  grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);
}
.grid--rail > *{scroll-snap-align:start}

.glow{position:absolute;pointer-events:none;border-radius:50%;filter:blur(44px);opacity:.55;z-index:0}
.glow--cyan{background:radial-gradient(circle, rgba(0,240,255,.55), transparent 70%)}
.glow--blue{background:radial-gradient(circle, rgba(0,102,255,.62), transparent 70%)}
.glow--orange{background:radial-gradient(circle, rgba(255,107,0,.45), transparent 70%)}

/* ---------- 5. 操作与状态 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius);
  font-size:14.5px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
  transition:transform .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--orange);color:#160B02;box-shadow:0 12px 28px -16px rgba(255,107,0,.95)}
.btn--accent:hover{background:#FF8124;transform:translateY(-2px)}
.btn--solid{background:var(--blue);color:#fff;box-shadow:0 12px 28px -18px rgba(0,102,255,.95)}
.btn--solid:hover{background:#2B7DFF;transform:translateY(-2px)}
.btn--ghost{background:rgba(0,240,255,.05);border-color:var(--line-strong);color:var(--cyan)}
.btn--ghost:hover{background:rgba(0,240,255,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn--paper{background:var(--paper);color:var(--ink)}
.btn--paper:hover{background:#fff;transform:translateY(-2px)}
.btn--sm{min-height:38px;padding:7px 14px;font-size:13px}
.btn--block{width:100%}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border:1px solid var(--line);border-radius:999px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--text-soft);
}
.tag--cyan{border-color:rgba(0,240,255,.45);color:var(--cyan)}
.tag--orange{border-color:rgba(255,107,0,.5);color:#FF9A4D}
.tag--amber{border-color:rgba(255,176,32,.5);color:var(--amber)}

/* ---------- 6. 卡片：深色悬浮卡 / 暖纸展签 / 指标 ---------- */
.tile{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:clamp(20px,2.4vw,28px);
  background:linear-gradient(180deg, rgba(16,26,49,.92), rgba(10,14,26,.92));
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-tile);
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.tile:hover,.tile:focus-within{
  transform:translateY(-3px);border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(0,240,255,.18), 0 26px 46px -32px rgba(0,240,255,.55);
}
.tile__index{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--cyan)}
.tile__title{font-weight:800;font-size:19px;line-height:1.35;color:#fff}
.tile__text{font-size:15.5px;line-height:1.7;color:var(--text-soft)}
.tile__link{
  margin-top:auto;align-self:flex-start;padding-bottom:2px;
  font-size:14px;font-weight:800;color:var(--cyan);border-bottom:1px solid rgba(0,240,255,.35);
}
.tile__link:hover{border-bottom-color:var(--cyan)}

.plate{
  position:relative;padding:clamp(20px,2.4vw,28px);border-radius:var(--radius);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(20,17,13,.05) 1px, transparent 1px);
  background-size:5px 5px;
  border:1px solid rgba(20,17,13,.12);
  color:var(--ink);box-shadow:var(--shadow-plate);
}
.plate__label{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:#6C6455}
.plate__title{margin-top:8px;font-weight:900;font-size:20px;line-height:1.28;color:var(--ink)}
.plate__body{margin-top:8px;font-size:15.5px;line-height:1.65;color:#3A342B}

.stat{display:flex;flex-direction:column;gap:2px;padding-left:14px;border-left:1px solid var(--line-strong)}
.stat__value{font-family:var(--font-mono);font-weight:700;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.01em;color:#fff}
.stat__label{font-size:13px;color:var(--text-soft)}

/* ---------- 7. 图片容器（页面阶段放 <img>） ---------- */
.media{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(140deg,#101A31,#070A12);
}
.media > img,.media > picture > img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--photo{aspect-ratio:4/3}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%)}
.media__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,26,0) 38%,rgba(10,14,26,.9))}
.media__grid{
  position:absolute;inset:0;opacity:.65;pointer-events:none;
  background-image:linear-gradient(rgba(0,240,255,.09) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(0,240,255,.09) 1px, transparent 1px);
  background-size:44px 44px;
}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--text-soft);
}
.media__badge{position:absolute;top:12px;left:12px}

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs{padding-block:14px;border-bottom:1px solid var(--line)}
.breadcrumbs__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--gray);
}
.breadcrumbs__item{display:flex;align-items:center;gap:8px}
.breadcrumbs__item + .breadcrumbs__item::before{content:"/";color:rgba(124,138,165,.6)}
.breadcrumbs__link{color:var(--gray)}
.breadcrumbs__link:hover{color:var(--cyan)}
.breadcrumbs__item[aria-current="page"]{color:var(--text)}

/* ---------- 9. 页头：紧凑命令栏 ---------- */
.skip-link{
  position:fixed;left:14px;top:-80px;z-index:120;
  padding:10px 18px;border-radius:var(--radius);
  background:var(--cyan);color:#04121A;font-weight:800;font-size:14px;
  transition:top .18s ease;
}
.skip-link:focus{top:14px}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,26,.97);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent, rgba(0,240,255,.5) 22%, rgba(0,102,255,.45) 62%, transparent);
}
.site-header.is-scrolled{box-shadow:0 18px 40px -34px rgba(0,0,0,.98)}

.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(124,138,165,.16);z-index:3}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--blue),var(--cyan) 68%,var(--orange));
}

.header-strip{
  background:linear-gradient(90deg, rgba(0,102,255,.22), rgba(0,240,255,.07) 58%, rgba(255,107,0,.14));
  border-bottom:1px solid var(--line);
}
.header-strip__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:34px;padding-block:5px;font-size:12px;color:var(--text-soft);
}
.header-strip__note{display:flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.06em}
.header-strip__meta{color:var(--gray);white-space:nowrap}
.pulse-dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(0,240,255,.6);animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,240,255,.55)}
  70%{box-shadow:0 0 0 9px rgba(0,240,255,0)}
  100%{box-shadow:0 0 0 0 rgba(0,240,255,0)}
}

.header-bar__inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:70px;padding-block:9px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__index{
  display:grid;place-items:center;width:36px;height:36px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;font-weight:700;
  color:#04121A;background:linear-gradient(140deg,var(--cyan),var(--blue));
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-weight:900;font-size:19px;letter-spacing:.04em;color:#fff}
.brand__tag{font-size:10.5px;letter-spacing:.24em;color:var(--gray)}

.nav{margin-left:auto}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__item{display:flex}
.nav__link{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 12px;border:1px solid transparent;border-radius:var(--radius);
  font-size:14.5px;font-weight:700;color:var(--text-soft);
  transition:color .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line)}
.nav__link[aria-current="page"]{
  color:#fff;border-color:rgba(0,102,255,.55);
  background:linear-gradient(180deg, rgba(0,102,255,.32), rgba(0,102,255,.06));
  box-shadow:inset 0 -2px 0 var(--cyan);
}
.nav__index{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;color:var(--gray)}
.nav__link[aria-current="page"] .nav__index{color:var(--cyan)}
.nav__extra{display:none}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.link-help{
  font-size:13px;color:var(--gray);padding-bottom:2px;
  border-bottom:1px dashed rgba(124,138,165,.5);
}
.link-help:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  min-height:46px;padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(16,26,49,.9);color:var(--text);font-size:13px;font-weight:800;
}
.nav-toggle:hover{border-color:var(--line-strong)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:var(--cyan);transition:transform .2s ease, opacity .2s ease}
.nav-toggle__label{letter-spacing:.08em}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav-scrim{display:none}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(40px,6vw,80px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#0A0E1A 0%, #070A12 58%, #0A1226 100%);
}
.footer-glow{
  position:absolute;top:-180px;right:-140px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle, rgba(0,102,255,.35), transparent 68%);
  filter:blur(34px);pointer-events:none;
}
.footer-main{
  position:relative;display:grid;
  grid-template-columns:1.25fr 2.05fr 1.5fr;
  gap:clamp(24px,3vw,48px);
  padding-block:clamp(40px,6vw,72px);
}
.footer-brand__mark{font-weight:900;font-size:24px;letter-spacing:.04em;color:#fff}
.footer-brand__line{margin-top:10px;max-width:30ch;font-size:15px;line-height:1.7;color:var(--text-soft)}
.footer-brand__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.footer-col__title{
  margin-bottom:14px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--cyan);
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{
  display:inline-block;font-size:15px;color:var(--text-soft);
  border-bottom:1px solid transparent;transition:color .18s ease, border-color .18s ease;
}
.footer-link:hover{color:#fff;border-bottom-color:var(--cyan)}

.footer-plate{height:fit-content}
.footer-rows{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.footer-row{display:grid;grid-template-columns:66px minmax(0,1fr);gap:10px;font-size:14px;line-height:1.55;color:#3A342B}
.footer-row__key{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:#6C6455;padding-top:2px}
.footer-row__val{word-break:break-word}
.footer-row__val.mono{font-size:13px;color:var(--ink)}

.footer-meta{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;padding-block:20px;
  border-top:1px dashed rgba(124,138,165,.34);
  font-size:13px;color:var(--gray);
}
.footer-meta__links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-meta__link{color:var(--text-soft)}
.footer-meta__link:hover{color:var(--cyan)}
.footer-meta__legal{font-family:var(--font-mono);letter-spacing:.06em}
.footer-meta__copy{margin-left:auto;color:var(--gray)}

/* ---------- 11. 动效：显现与错峰 ---------- */
html.js-reveal [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .62s cubic-bezier(.2,.7,.3,1), transform .62s cubic-bezier(.2,.7,.3,1);
}
html.js-reveal [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1140px){
  .header-actions .btn--ghost{display:none}
  .header-actions .link-help{display:none}
}
@media (max-width:1000px){
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .nav{
    position:fixed;left:0;right:0;bottom:0;top:auto;margin:0;z-index:80;
    max-height:84dvh;overflow-y:auto;
    background:#0C1224;
    border-top:1px solid rgba(0,240,255,.35);
    border-radius:14px 14px 0 0;
    padding:14px 0 calc(22px + env(safe-area-inset-bottom));
    box-shadow:0 -30px 70px -30px rgba(0,0,0,.95);
    visibility:hidden;transform:translateY(104%);
    transition:transform .32s cubic-bezier(.2,.8,.3,1), visibility .32s cubic-bezier(.2,.8,.3,1);
  }
  .site-header[data-open] .nav{visibility:visible;transform:translateY(0)}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__link{
    justify-content:flex-start;min-height:54px;padding:14px 20px;
    font-size:17px;border-radius:0;border-bottom:1px solid var(--line);
  }
  .nav__link[aria-current="page"]{
    background:linear-gradient(90deg, rgba(0,102,255,.3), rgba(0,102,255,.02));
    box-shadow:inset 3px 0 0 var(--cyan);
  }
  .nav__extra{display:flex;flex-direction:column;gap:12px;padding:18px 20px 4px}
  .nav-scrim{
    display:block;position:fixed;inset:0;z-index:70;
    background:rgba(5,8,16,.66);
    opacity:0;visibility:hidden;
    transition:opacity .3s ease, visibility .3s ease;
  }
  .site-header[data-open] .nav-scrim{opacity:1;visibility:visible}

  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--split,.grid--split-rev{grid-template-columns:minmax(0,1fr)}
  .footer-main{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-meta__copy{margin-left:0;width:100%}
}
@media (max-width:640px){
  .header-bar__inner{min-height:62px}
  .header-strip__meta{display:none}
  .brand__tag{display:none}
  .header-actions .btn--accent{padding:9px 14px;font-size:13.5px}
  .nav-toggle__label{display:none}
  .nav-toggle{padding:9px 12px}
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .footer-row{grid-template-columns:minmax(0,1fr);gap:2px}
  .footer-row__key{padding-top:0}
  .footer-meta{flex-direction:column;align-items:flex-start}
}

/* ---------- 13. 无障碍与减动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js-reveal [data-reveal]{opacity:1 !important;transform:none !important}
  .pulse-dot{animation:none;box-shadow:0 0 0 3px rgba(0,240,255,.18)}
  .tile:hover,.tile:focus-within,.btn:hover{transform:none}
}