/* =========================================================
   UNIBET 主站 · 共享皮肤 /assets/site.css
   夜间球场战术板：切角面板 + 荧光数据线 + 等宽统计
   ========================================================= */

/* 1. 设计令牌 ------------------------------------------- */
:root{
  --bg:#0B1F1A;
  --panel:#14312A;
  --panel-2:#1C2B27;
  --ink:#F2F0E6;
  --muted:#7C8A83;
  --cyan:#3FF0C8;
  --orange:#FF7A2F;
  --clay:#B4653F;
  --line:#24413A;

  --rail:88px;
  --shell:1440px;
  --bevel:10px;
  --bevel-sm:8px;
  --cut:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, var(--bevel) 100%, 0 calc(100% - var(--bevel)));
  --cut-sm:polygon(0 0, calc(100% - var(--bevel-sm)) 0, 100% var(--bevel-sm), 100% 100%, var(--bevel-sm) 100%, 0 calc(100% - var(--bevel-sm)));

  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* 2. 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{margin:0;padding:0}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0}

/* 3. 底纹与全局排版 -------------------------------------- */
html{background:var(--bg)}
body{
  min-height:100vh;
  padding-left:var(--rail);
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 520px at 78% -8%, rgba(63,240,200,.07), transparent 68%),
    radial-gradient(900px 480px at 6% 4%, rgba(255,122,47,.05), transparent 70%),
    linear-gradient(to right, rgba(36,65,58,.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36,65,58,.42) 1px, transparent 1px);
  background-size:auto,auto,88px 88px,88px 88px;
  background-position:0 0,0 0,var(--rail) 0,var(--rail) 0;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  overflow-x:hidden;
}
html.is-grid-off body{
  background-image:
    radial-gradient(1100px 520px at 78% -8%, rgba(63,240,200,.07), transparent 68%),
    radial-gradient(900px 480px at 6% 4%, rgba(255,122,47,.05), transparent 70%);
  background-size:auto,auto;
  background-position:0 0,0 0;
  background-repeat:no-repeat,no-repeat;
}
::selection{background:rgba(63,240,200,.28);color:var(--ink)}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

.skip-link{
  position:absolute;left:12px;top:-64px;z-index:200;
  padding:10px 18px;background:var(--cyan);color:#04140F;
  font-size:14px;font-weight:700;letter-spacing:.06em;
  clip-path:var(--cut-sm);transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}

/* 4. 排版层级 -------------------------------------------- */
.display{
  font-size:clamp(40px,6vw,84px);
  font-weight:900;line-height:1.02;letter-spacing:-.02em;
}
.section-title{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"/";color:var(--orange);font-weight:700}
.lede{font-size:17px;line-height:1.8;color:#CFD8D3;max-width:40em}
.annotation{
  font-size:12px;letter-spacing:.28em;line-height:1.6;
  color:var(--muted);text-transform:uppercase;
}
.annotation--vertical{
  writing-mode:vertical-rl;text-orientation:mixed;
  letter-spacing:.28em;
}
.prose{max-width:42em}
.prose p{max-width:38em;margin-bottom:.9em;color:#D6DDD9}
.prose p:last-child{margin-bottom:0}
.prose h2{margin:2em 0 .6em;font-size:24px;font-weight:700;line-height:1.3}
.prose h3{margin:1.6em 0 .5em;font-size:19px;font-weight:700;line-height:1.35}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(63,240,200,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}

/* 5. 布局 ------------------------------------------------ */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;flex-wrap:wrap;margin-bottom:36px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}
.divider-slash{
  height:14px;margin:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(-45deg, rgba(63,240,200,.35) 0 2px, transparent 2px 12px);
}

/* 6. 按钮 ------------------------------------------------ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;
  font-size:14px;font-weight:700;letter-spacing:.06em;line-height:1.2;
  border:1px solid transparent;
  clip-path:var(--cut-sm);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--orange);color:#1A0C03}
.btn--primary:hover{background:#FF9052}
.btn--ghost{border-color:var(--line);color:var(--ink);background:rgba(20,49,42,.6)}
.btn--ghost:hover{border-color:rgba(63,240,200,.6);color:var(--cyan)}

/* 7. 头部：品牌轨道 + 双层导航 --------------------------- */
.site-header{position:relative;z-index:60}

.brand-rail{
  position:fixed;top:0;left:0;bottom:0;z-index:70;
  width:var(--rail);
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 0 16px;
  background:linear-gradient(180deg,#102A23 0%,#0B1F1A 100%);
  border-right:1px solid var(--line);
  overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none;
}
.brand-rail::-webkit-scrollbar{width:0}

.rail-mark{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.rail-mark__glyph{
  display:grid;place-items:center;width:42px;height:42px;
  background:var(--cyan);color:#04140F;
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.04em;
  clip-path:var(--cut);
}
.rail-mark__name{font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--muted)}
.rail-mark__badge{
  font-family:var(--mono);font-size:9px;letter-spacing:.2em;
  padding:2px 6px;color:var(--orange);border:1px solid rgba(255,122,47,.5);
}
.rail-mark:hover .rail-mark__glyph{background:#7BFFDD}
.rail-mark:hover .rail-mark__name{color:var(--ink)}

.rail-nav{flex:1 1 auto;display:flex;flex-direction:column;justify-content:center;width:100%;padding:0 8px}
.rail-nav__list{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%}
.rail-nav__item{width:100%}
.rail-nav__link{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:7px;
  width:100%;padding:9px 0;
  color:var(--muted);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.rail-nav__link::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;
  background:var(--cyan);transform:scaleY(0);transform-origin:top center;
  transition:transform .22s var(--ease);
}
.rail-nav__num{
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:#3B5A50;
}
.rail-nav__label{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:13px;font-weight:500;line-height:1;letter-spacing:.16em;
}
.rail-nav__link:hover{color:var(--ink);background:rgba(63,240,200,.07)}
.rail-nav__link[aria-current="page"]{color:var(--cyan)}
.rail-nav__link[aria-current="page"]::before{transform:scaleY(1)}
.rail-nav__link[aria-current="page"] .rail-nav__num{color:var(--cyan)}

.rail-tools{display:flex;flex-direction:column;gap:6px;padding-bottom:4px}
.rail-tool{
  display:grid;place-items:center;width:38px;height:28px;
  font-family:var(--mono);font-size:10px;letter-spacing:.06em;
  color:var(--muted);border:1px solid var(--line);background:rgba(11,31,26,.6);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.rail-tool:hover{color:var(--cyan);border-color:rgba(63,240,200,.5)}
.rail-tool[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:#04140F}

.nav-toggle{display:none}

.header-main{position:relative}
.header-top{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:30px 0 26px}
.header-top__brand{
  font-family:var(--mono);font-size:12px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan);white-space:nowrap;
}
.header-top__claim{font-size:14px;color:var(--muted);letter-spacing:.02em;flex:1 1 auto;min-width:180px}
.header-top__cta{margin-left:auto;flex:0 0 auto}

.league-bar{
  background:rgba(20,49,42,.94);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  z-index:65;
}
.league-bar__inner{display:flex;align-items:center;gap:16px;min-height:52px}
.league-bar__tag{
  flex:0 0 auto;padding-right:16px;border-right:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--clay);
}
.league-bar__list{
  display:flex;align-items:center;gap:4px;
  flex:1 1 auto;overflow-x:auto;scrollbar-width:none;padding:7px 0;
}
.league-bar__list::-webkit-scrollbar{height:0}
.league-bar__btn{
  white-space:nowrap;padding:8px 14px;
  font-size:14px;letter-spacing:.04em;color:var(--muted);
  border:1px solid transparent;background:transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.league-bar__btn:hover{color:var(--ink);border-color:var(--line)}
.league-bar__btn[aria-pressed="true"]{
  color:var(--cyan);border-color:rgba(63,240,200,.45);background:rgba(63,240,200,.08);
}

.site-header[data-stuck="true"] .league-bar{
  position:fixed;top:0;left:var(--rail);right:0;
  background:rgba(16,42,35,.97);
}
.site-header[data-stuck="true"] .header-main{padding-bottom:var(--league-h,52px)}

/* 8. 页脚 ------------------------------------------------ */
.site-footer{
  margin-top:0;background:var(--panel-2);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:40px;
  padding:72px 0 44px;
}
.footer-col{min-width:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px}
.footer-brand__glyph{
  display:grid;place-items:center;width:34px;height:34px;
  background:var(--cyan);color:#04140F;
  font-family:var(--mono);font-size:12px;font-weight:700;
  clip-path:var(--cut-sm);
}
.footer-brand__text{font-size:16px;font-weight:700;letter-spacing:.04em}
.footer-brand:hover .footer-brand__glyph{background:#7BFFDD}
.footer-tagline{margin-top:14px;font-size:14px;line-height:1.7;color:var(--muted);max-width:30em}
.footer-status{
  margin-top:16px;display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);
}
.footer-dot{
  width:8px;height:8px;background:var(--cyan);border-radius:50%;
  box-shadow:0 0 0 0 rgba(63,240,200,.6);
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(63,240,200,.55)}
  70%{box-shadow:0 0 0 9px rgba(63,240,200,0)}
  100%{box-shadow:0 0 0 0 rgba(63,240,200,0)}
}
.footer-col__title{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.24em;
  text-transform:uppercase;color:var(--muted);padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid var(--line);
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:#C6D0CB;border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-links a:hover{color:var(--cyan);border-bottom-color:rgba(63,240,200,.5)}
.footer-links--inline{flex-direction:row;flex-wrap:wrap;gap:8px 14px}
.footer-links--inline a{
  padding:3px 9px;border:1px solid var(--line);color:var(--muted);font-size:13px;
}
.footer-links--inline a:hover{color:var(--cyan);border-color:rgba(63,240,200,.5)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{
  display:flex;flex-direction:column;gap:3px;
  font-size:14px;color:#C6D0CB;word-break:break-word;
}
.footer-contact span{
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--clay);
}
.footer-note{margin-top:16px;font-size:12.5px;line-height:1.7;color:var(--muted)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 32px;border-top:1px solid var(--line);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-legal a{
  font-size:13px;color:var(--muted);
  transition:color .18s var(--ease);
}
.footer-legal a:hover{color:var(--cyan)}
.footer-copy{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted)}
.footer-update{font-size:12px;color:#5C6A64}

.to-top{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 16px;font-size:13px;letter-spacing:.1em;
  color:var(--ink);background:rgba(20,49,42,.94);
  border:1px solid var(--line);clip-path:var(--cut-sm);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility 0s linear .22s,color .18s var(--ease),border-color .18s var(--ease);
}
.to-top.is-shown{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.to-top:hover{color:var(--cyan);border-color:rgba(63,240,200,.55)}

/* 9. 通用组件 -------------------------------------------- */
.panel{
  position:relative;
  padding:26px 28px;
  background:var(--panel);
  border:1px solid var(--line);
  clip-path:var(--cut);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.panel--flat{background:var(--panel-2)}
.panel:hover{transform:translateY(-2px);border-color:rgba(63,240,200,.45)}
.panel__title{font-size:19px;font-weight:700;line-height:1.35;letter-spacing:.01em}

.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(34px,4.4vw,64px);font-weight:700;line-height:1;
  letter-spacing:-.02em;color:var(--cyan);
}
.stat__unit{font-size:.42em;color:var(--muted);margin-left:.3em;letter-spacing:.06em}
.stat__label{font-size:13px;letter-spacing:.06em;color:var(--muted)}
.stat-strip{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
}
.stat-strip > *{background:var(--panel-2);padding:24px 26px}

.note{
  padding:4px 0 4px 18px;border-left:2px solid var(--clay);
  font-size:14.5px;line-height:1.75;color:#B9C4BF;
}
.note strong{color:var(--ink)}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;font-size:12px;letter-spacing:.1em;
  color:var(--cyan);border:1px solid rgba(63,240,200,.4);background:rgba(63,240,200,.07);
}
.tag--clay{color:#E0966C;border-color:rgba(180,101,63,.6);background:rgba(180,101,63,.12)}

.index-list{border-top:1px solid var(--line)}
.index-list__item{border-bottom:1px solid var(--line)}
.index-list__link{
  display:flex;align-items:baseline;gap:18px;
  padding:16px 6px;transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.index-list__link:hover{background:rgba(20,49,42,.7);padding-left:14px}
.index-list__num{font-family:var(--mono);font-size:12px;color:var(--clay);flex:0 0 auto;min-width:30px}
.index-list__label{font-size:16px;font-weight:500;flex:1 1 auto}
.index-list__meta{font-family:var(--mono);font-size:12px;color:var(--muted);flex:0 0 auto}
.index-list__link:hover .index-list__label{color:var(--cyan)}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 0 0;
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}
.breadcrumbs__link{color:var(--muted);transition:color .18s var(--ease)}
.breadcrumbs__link:hover{color:var(--cyan)}
.breadcrumbs__sep{color:var(--line)}

.media-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16 / 9;
  background:linear-gradient(160deg,#14312A 0%,#0D241D 100%);
  border:1px solid var(--line);
  clip-path:var(--cut);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.78) contrast(1.06);
}
.media-frame__cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:10px 14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:#C6D0CB;background:linear-gradient(0deg,rgba(11,31,26,.92),rgba(11,31,26,0));
}

/* 10. 状态类与动效 --------------------------------------- */
.is-league-hidden{display:none !important}
html.is-nav-open{overflow:hidden}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

html.is-calm .reveal{opacity:1;transform:none;transition:none}
html.is-calm .footer-dot{animation:none}
html.is-calm .btn,html.is-calm .panel,html.is-calm .to-top,
html.is-calm .rail-nav__link,html.is-calm .league-bar__btn{transition-duration:.01ms}

/* 11. 响应式 -------------------------------------------- */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px}
  .footer-col:nth-child(4){grid-column:1 / -1}
}

@media (max-width:1000px){
  :root{--rail:0px}
  body{padding-left:0;padding-top:56px;font-size:16.5px}
  .shell{padding:0 22px}
  .section{padding:72px 0}
  .section__head{margin-bottom:28px}

  .brand-rail{
    flex-direction:row;align-items:center;justify-content:flex-start;
    gap:12px;width:100%;height:56px;padding:0 14px;
    border-right:0;border-bottom:1px solid var(--line);
    overflow:visible;
  }
  .rail-mark{flex-direction:row;align-items:center;gap:8px;text-align:left}
  .rail-mark__glyph{width:32px;height:32px;font-size:12px;--bevel:6px}
  .rail-mark__name{font-size:10px;letter-spacing:.2em}
  .rail-mark__badge{font-size:9px}
  .rail-tools{flex-direction:row;gap:6px;margin-left:auto;padding-bottom:0}
  .rail-tool{width:44px;height:30px;font-size:10px}

  .nav-toggle{
    display:inline-flex;align-items:center;gap:9px;
    padding:8px 12px;border:1px solid var(--line);
    font-size:12px;letter-spacing:.14em;color:var(--ink);
    background:rgba(11,31,26,.6);
  }
  .nav-toggle__bars{display:grid;gap:4px;width:16px}
  .nav-toggle__bars i{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .site-header[data-open="true"] .nav-toggle{border-color:rgba(63,240,200,.55);color:var(--cyan)}
  .site-header[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .site-header[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
  .site-header[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .rail-nav{
    position:fixed;top:56px;left:0;right:0;bottom:0;
    display:block;width:auto;padding:10px 0 48px;
    background:rgba(11,31,26,.985);
    border-top:1px solid var(--line);
    overflow-y:auto;
    visibility:hidden;opacity:0;transform:translateY(-8px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility 0s linear .2s;
  }
  .site-header[data-open="true"] .rail-nav{
    visibility:visible;opacity:1;transform:none;transition-delay:0s;
  }
  .rail-nav__list{gap:0;padding:0 20px}
  .rail-nav__item{border-bottom:1px solid var(--line)}
  .rail-nav__link{flex-direction:row;align-items:center;justify-content:flex-start;gap:16px;padding:16px 6px}
  .rail-nav__link::before{top:0;bottom:0;left:-20px;width:3px;transform:scaleY(0)}
  .rail-nav__link[aria-current="page"]::before{transform:scaleY(1)}
  .rail-nav__num,.rail-nav__label{writing-mode:horizontal-tb;text-orientation:mixed}
  .rail-nav__num{font-size:12px;letter-spacing:.1em;min-width:26px;color:var(--muted)}
  .rail-nav__label{font-size:17px;letter-spacing:.06em}

  .header-top{padding:20px 0 18px;gap:14px}
  .header-top__claim{font-size:13.5px;flex:1 1 100%;order:3}
  .header-top__cta{margin-left:auto}

  .league-bar__tag{padding-right:12px;font-size:10px;letter-spacing:.18em}
  .league-bar__btn{padding:7px 12px;font-size:13.5px}

  .site-header[data-stuck="true"] .league-bar{position:static}
  .site-header[data-stuck="true"] .header-main{padding-bottom:0}

  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
  .span-7,.span-8,.span-9,.span-12{grid-column:1 / -1}
  .span-5,.span-6{grid-column:span 3}
  .span-3,.span-4{grid-column:span 3}

  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:52px 0 32px}
  .footer-col:nth-child(4){grid-column:1 / -1}
  .footer-bottom{padding:20px 0 28px}
}

@media (max-width:640px){
  body{font-size:16px;line-height:1.72}
  .shell{padding:0 16px}
  .section{padding:56px 0}
  .display{font-size:clamp(34px,10vw,48px)}
  .grid-12{grid-template-columns:1fr;gap:14px}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-12{grid-column:1 / -1}
  .panel{padding:20px 18px}
  .index-list__link{flex-wrap:wrap;gap:6px 12px}
  .index-list__meta{width:100%;padding-left:42px}
  .header-top__brand{font-size:11px;letter-spacing:.18em}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 26px}
  .footer-col:nth-child(4){grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .to-top{right:12px;bottom:12px;padding:10px 13px;font-size:12px}
  .stat-strip > *{padding:18px 18px}
}

/* 12. 动效降级 ------------------------------------------- */
@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;
  }
  .reveal{opacity:1;transform:none}
  .footer-dot{animation:none}
}