/* ============================================================
   亚博体育专栏 / 共享样式表  /assets/site.css
   夜间战术板：深墨蓝底 · 青柠绿数据 · 暖橙红警报
   ============================================================ */

:root{
  --ink-900:#0B1B2B;
  --ink-800:#111820;
  --ink-700:#16273A;
  --lime:#C7F04A;
  --flare:#FF5B36;
  --paper:#F2F6FA;
  --mist:#9BAEC1;
  --tactic:#2F86D6;
  --amber:#FFC24A;
  --teal:#1E7C68;

  --line:rgba(155,174,193,.22);
  --line-strong:rgba(155,174,193,.4);

  --font-display:'Oswald','Barlow Condensed','Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'JetBrains Mono','Roboto Mono',ui-monospace,monospace;

  --shell:1200px;
  --gut:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.3,1);

  --notch:20px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(rgba(155,174,193,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(155,174,193,.05) 1px,transparent 1px);
  background-size:64px 64px;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:var(--tactic);text-decoration:none}
a:hover{color:var(--lime)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
strong{font-weight:700}

:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  box-shadow:0 0 0 1px var(--ink-900);
  border-radius:1px;
}

/* ---------- 中文排版基线 ---------- */
p{text-wrap:pretty}
h1,h2,h3,h4{text-wrap:balance;line-height:1.12;font-weight:700}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- 布局容器 ---------- */
.shell{
  width:min(100% - (var(--gut) * 2), var(--shell));
  margin-inline:auto;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:14px;
  top:-120px;
  z-index:200;
  padding:10px 20px;
  background:var(--lime);
  color:var(--ink-900);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  transition:top .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:14px;color:var(--ink-900)}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink-900);
}

/* --- 上层：品牌说明条 --- */
.header-top{
  max-height:90px;
  overflow:hidden;
  background:rgba(22,39,58,.72);
  border-bottom:1px solid var(--line);
  transition:max-height .26s var(--ease),opacity .26s var(--ease),border-color .26s var(--ease);
}
.site-header[data-scrolled] .header-top{
  max-height:0;
  opacity:0;
  border-bottom-color:transparent;
}
.header-top__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:9px 0;
  font-size:12px;
  letter-spacing:.1em;
}
.brand-mark{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-mark__abbr{
  font-family:var(--font-display);
  font-weight:700;
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--lime);
  position:relative;
  padding-left:14px;
}
.brand-mark__abbr::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  translate:0 -50%;
  width:4px;
  height:14px;
  background:var(--lime);
  transform:skewX(-14deg);
}
.brand-mark__tagline{
  color:var(--mist);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.season-chip{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.08em;
  white-space:nowrap;
  color:var(--mist);
}
.season-chip__label{color:var(--mist)}
.season-chip__value{color:var(--paper)}
.season-chip__ver{
  padding:2px 9px;
  background:rgba(199,240,74,.12);
  color:var(--lime);
  border:1px solid rgba(199,240,74,.45);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}

/* --- 下层：主栏目条 --- */
.header-main{
  position:relative;
  background:rgba(17,24,32,.94);
  border-bottom:1px solid var(--line);
}
.header-main::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:min(220px,32%);
  height:2px;
  background:linear-gradient(90deg,var(--lime),transparent);
}
.header-main__inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:10px 0;
}

.brand-lockup{
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--paper);
  text-decoration:none;
  flex:0 0 auto;
}
.brand-lockup:hover{color:var(--paper)}
.brand-lockup__glyph{
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  background:var(--lime);
  color:var(--ink-900);
  font-family:var(--font-display);
  font-size:16px;
  font-weight:700;
  letter-spacing:.06em;
  clip-path:polygon(11px 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%,0 11px);
}
.brand-lockup__text{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
}

/* --- 移动端按钮 --- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:1px solid var(--line-strong);
  color:var(--paper);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);background:rgba(199,240,74,.08)}
.nav-toggle__bars{
  position:relative;
  width:20px;
  height:2px;
  background:var(--lime);
  display:block;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:var(--lime);
  transition:transform .2s var(--ease),top .2s var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

/* --- 主导航 --- */
.site-nav{display:block}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
}
.site-nav__item{display:block}
.site-nav__link{
  position:relative;
  display:block;
  padding:11px 15px 11px 19px;
  color:var(--mist);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  white-space:nowrap;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.site-nav__link::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  translate:0 -50%;
  width:3px;
  height:0;
  background:var(--lime);
  transition:height .18s var(--ease);
}
.site-nav__link:hover{
  color:var(--paper);
  background:rgba(199,240,74,.08);
}
.site-nav__link:hover::before{height:58%}
.site-nav__link[aria-current="page"]{
  color:var(--ink-900);
  background:var(--lime);
  clip-path:polygon(10px 0,100% 0,100% 100%,0 100%,0 10px);
}
.site-nav__link[aria-current="page"]::before{
  height:100%;
  background:var(--ink-900);
  opacity:.25;
}
.site-nav__link[aria-current="page"]:hover{background:var(--lime);color:var(--ink-900)}

/* ============================================================
   通用组件
   ============================================================ */
.section{
  position:relative;
  padding:clamp(52px,7vw,104px) 0;
}
.section + .section{border-top:1px solid var(--line)}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 32px;
  margin-bottom:clamp(24px,3vw,40px);
}
.section-head__title{
  font-family:var(--font-display);
  font-size:clamp(28px,4vw,52px);
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.02;
  text-transform:uppercase;
}
.section-head__note{
  max-width:48ch;
  color:var(--mist);
  font-size:14px;
  line-height:1.7;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--lime);
  transform:skewX(-20deg);
}

.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,4fr)}
.grid--cards{grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}

.panel{
  position:relative;
  background:var(--ink-800);
  border:1px solid var(--line);
  padding:clamp(20px,3vw,30px);
  clip-path:polygon(0 0,calc(100% - var(--notch)) 0,100% var(--notch),100% 100%,var(--notch) 100%,0 calc(100% - var(--notch)));
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.panel:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 44px rgba(0,0,0,.5);
  border-color:rgba(199,240,74,.38);
}
.panel--notch{
  clip-path:polygon(var(--notch) 0,100% 0,100% calc(100% - var(--notch)),calc(100% - var(--notch)) 100%,0 100%,0 var(--notch));
}
.panel--alert{
  border-left:4px solid var(--flare);
  background:linear-gradient(180deg,rgba(255,91,54,.08),transparent 60%),var(--ink-800);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  background:rgba(155,174,193,.08);
  color:var(--mist);
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag--lime{background:var(--lime);border-color:var(--lime);color:var(--ink-900)}
.tag--alert{background:var(--flare);border-color:var(--flare);color:#fff}
.tag--amber{background:var(--amber);border-color:var(--amber);color:var(--ink-900)}
.tag--line{background:transparent;border-color:var(--lime);color:var(--lime)}

.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:12px 22px;
  border:1px solid transparent;
  background:transparent;
  color:var(--paper);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  text-decoration:none;
  cursor:pointer;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--lime{background:var(--lime);color:var(--ink-900)}
.btn--lime:hover{background:#d7ff66;color:var(--ink-900)}
.btn--flare{background:var(--flare);color:#fff}
.btn--flare:hover{background:#ff7355;color:#fff}
.btn--ghost{
  border-color:var(--line-strong);
  background:rgba(199,240,74,.06);
  color:var(--paper);
}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-top:22px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--mist);
}
.breadcrumb__item{display:flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line-strong)}
.breadcrumb__link{color:var(--mist)}
.breadcrumb__link:hover{color:var(--lime)}

.prose{
  max-width:72ch;
  color:#D8E4F0;
}
.prose h2{
  margin:1.8em 0 .5em;
  font-family:var(--font-display);
  font-size:clamp(22px,2.4vw,30px);
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--paper);
}
.prose h2:first-child{margin-top:0}
.prose h3{
  margin:1.4em 0 .4em;
  font-size:19px;
  color:var(--paper);
}
.prose p + p{margin-top:1em}
.prose a{border-bottom:1px solid rgba(47,134,214,.6)}
.prose ul{margin:1em 0;padding-left:0}
.prose li{
  position:relative;
  padding-left:20px;
  margin:.4em 0;
}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:9px;
  height:2px;
  background:var(--lime);
  transform:skewX(-24deg);
}

.stat-row{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.stat{background:var(--ink-800);padding:18px 20px}
.stat__value{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.1;
  color:var(--lime);
}
.stat__label{
  display:block;
  margin-top:6px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
}

.data-bar{
  position:relative;
  height:10px;
  background:rgba(155,174,193,.16);
  overflow:hidden;
}
.data-bar__fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--teal),var(--lime));
  transition:width .9s var(--ease);
}
.data-bar.is-filled .data-bar__fill{width:var(--value,0%)}

.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--ink-700);
  border:1px solid var(--line);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.media-frame__img{
  display:block;
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  filter:saturate(.85) contrast(1.05);
}
.media-frame__cap{
  display:block;
  padding:10px 16px;
  background:rgba(11,27,43,.72);
  border-top:1px solid var(--line);
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--mist);
}

/* ---------- 显现 ---------- */
.reveal{opacity:1;transform:none}
html.js .reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
html.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- 滚动进度 / 返回顶部 ---------- */
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  z-index:120;
  background:linear-gradient(90deg,var(--lime),var(--teal) 60%,var(--tactic));
  transform:scaleX(0);
  transform-origin:0 50%;
  pointer-events:none;
}
.to-top{
  position:fixed;
  right:clamp(14px,3vw,30px);
  bottom:clamp(14px,3vw,30px);
  z-index:110;
  display:grid;
  place-items:center;
  height:44px;
  min-width:56px;
  padding:0 16px;
  background:var(--lime);
  color:var(--ink-900);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.to-top.is-on{opacity:1;pointer-events:auto;transform:none}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:var(--ink-800);
  border-top:2px solid var(--lime);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:140px;
  background:linear-gradient(180deg,rgba(199,240,74,.07),transparent);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;
  gap:clamp(24px,3vw,40px);
  padding:clamp(40px,5vw,64px) 0 clamp(28px,3vw,40px);
}
.footer-col{min-width:0}
.footer-col__title{
  margin-bottom:16px;
  font-family:var(--font-display);
  font-size:13px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--lime);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand__glyph{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:var(--lime);
  color:var(--ink-900);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.footer-brand__name{
  font-family:var(--font-display);
  font-size:16px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--paper);
}
.footer-brand__tag{
  max-width:34ch;
  color:var(--mist);
  font-size:14px;
  line-height:1.7;
}
.footer-note{
  margin-top:14px;
  padding-left:12px;
  border-left:3px solid var(--amber);
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--amber);
}

.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-list__item{font-size:14px;line-height:1.6}
.footer-list__link{
  color:#C9D8E6;
  transition:color .16s var(--ease),padding-left .16s var(--ease);
  position:relative;
}
.footer-list__link:hover{color:var(--lime);padding-left:10px}
.footer-list__link::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:0;
  height:2px;
  background:var(--lime);
  transition:width .16s var(--ease);
}
.footer-list__link:hover::before{width:6px;translate:0 -50%}
.footer-list--plain .footer-list__item{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.footer-label{
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}
.footer-value{
  color:#C9D8E6;
  font-size:14px;
  word-break:break-word;
}
.footer-col--contact .btn{margin-top:18px}

.footer-base{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 26px;
  padding:18px 0 30px;
  border-top:1px solid var(--line);
}
.footer-legal{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-legal__list{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.06em;
}
.footer-legal__link{color:var(--mist)}
.footer-legal__link:hover{color:var(--lime)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-col--contact{grid-column:1 / -1}
}

@media (max-width:900px){
  .grid--split{grid-template-columns:1fr}
}

@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    z-index:90;
    padding:8px;
    background:var(--ink-800);
    border:1px solid var(--line);
    max-height:min(70vh,520px);
    overflow:auto;
    box-shadow:0 24px 48px rgba(0,0,0,.55);
    clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav__link{padding:14px 16px 14px 20px;font-size:15px}
  .site-nav__link[aria-current="page"]{clip-path:none}
}

@media (max-width:700px){
  .brand-mark__tagline{display:none}
  .season-chip__label{display:none}
  .header-top__inner{padding:8px 0}
  .brand-lockup__text{font-size:15px;letter-spacing:.12em}
  .brand-lockup__glyph{width:34px;height:34px;font-size:14px}
}

@media (max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-base{flex-direction:column;align-items:flex-start}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}

/* ============================================================
   降低动效偏好
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    transition-delay:0ms !important;
  }
  html.js .reveal{opacity:1;transform:none}
  .panel:hover{transform:none}
  .btn:hover{transform:none}
  .data-bar__fill{transition:none}
}