/* ============================================================
   谈球吧体育 · /assets/site.css
   夜场赛刊外壳：状态轨 + 透明叠加导航 + 赛刊封底
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,dt,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:4px}

/* ---------- tokens ---------- */
:root{
  --ink:#07120F;
  --ink-2:#050E0B;
  --green:#0E3329;
  --green-2:#144237;
  --orange:#FF7A2F;
  --ember:#FFB27A;
  --cyan:#38F2D2;
  --amber:#FFD166;
  --paper:#F5F2E8;
  --cream:#E8E1D2;
  --steel:#8A9A94;
  --violet:#9B8CFF;
  --line:rgba(245,242,232,.14);
  --line-2:rgba(245,242,232,.30);
  --shell-w:1240px;
  --gutter:clamp(18px,4.2vw,40px);
  --shell:min(var(--shell-w),calc(100% - var(--gutter) * 2));
  --header-h:92px;
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- base ---------- */
html,body{background:var(--ink)}
body{
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.55;
  letter-spacing:.005em;
  color:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.is-nav-open,.is-nav-open body{overflow:hidden}

/* ---------- type utilities ---------- */
.label,.kicker{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.01em}
.h-display{font-weight:900;letter-spacing:-.02em;line-height:.95;font-size:clamp(38px,7vw,88px)}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-160%);
  padding:10px 18px;border-radius:999px;
  background:var(--amber);color:var(--ink);
  font-size:13px;font-weight:700;
  transition:transform 160ms var(--ease);
}
.skip-link:focus-visible{transform:none}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;inset:0 0 auto;z-index:80;
  color:var(--paper);
  transition:background-color 160ms var(--ease),box-shadow 160ms var(--ease);
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,18,15,.9),rgba(7,18,15,.34) 62%,rgba(7,18,15,0));
  opacity:1;transition:opacity 160ms var(--ease);
}
.site-header[data-stuck="true"]{background:var(--ink);box-shadow:0 24px 46px -34px #000}
.site-header[data-stuck="true"]::before{opacity:0}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(245,242,232,.22) 18%,rgba(56,242,210,.55) 50%,rgba(245,242,232,.22) 82%,transparent);
  opacity:0;transition:opacity 160ms var(--ease);
}
.site-header[data-stuck="true"]::after{opacity:1}

/* 状态轨 */
.rail{
  display:flex;align-items:center;gap:12px;
  min-height:28px;padding:4px var(--gutter);
  font-family:var(--font-mono);font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--steel);
  border-bottom:1px solid rgba(245,242,232,.08);
}
.rail__label{display:inline-flex;align-items:center;gap:8px;color:var(--paper)}
.rail__pulse{
  width:6px;height:6px;border-radius:50%;background:var(--orange);
  animation:pulse 2.6s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,47,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,122,47,0)}
  100%{box-shadow:0 0 0 0 rgba(255,122,47,0)}
}
.rail__meta::before{content:"/";margin-inline-end:12px;color:rgba(245,242,232,.25)}
.rail__clock{
  margin-inline-start:auto;color:var(--cyan);font-weight:600;
  letter-spacing:.08em;font-variant-numeric:tabular-nums;
}

/* 品牌栏 */
.header-bar{
  display:flex;align-items:center;gap:clamp(8px,2vw,26px);
  width:var(--shell);margin-inline:auto;padding-block:11px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--orange),var(--amber) 68%,var(--ember));
  clip-path:polygon(0 0,100% 0,100% 62%,50% 100%,0 62%);
  transition:transform 200ms var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px)}
.brand-text{display:block;line-height:1.1}
.brand-name{display:block;font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand-sub{
  display:block;margin-top:3px;
  font-family:var(--font-mono);font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--steel);
}

/* 导航 */
.primary-nav{margin-inline-start:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;
  padding:8px 13px;border-radius:999px;
  font-size:14px;color:rgba(245,242,232,.76);
  transition:color 140ms var(--ease),background-color 140ms var(--ease),box-shadow 140ms var(--ease);
}
.nav-link:hover{color:var(--paper);background:rgba(245,242,232,.08)}
.nav-link[aria-current="page"]{
  color:var(--cyan);background:rgba(56,242,210,.12);
  box-shadow:inset 0 0 0 1px rgba(56,242,210,.35);
}
.drawer-actions{display:none}

/* 头部操作区 */
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.utility-link{
  padding:8px 10px;border-radius:999px;font-size:12px;color:var(--steel);
  white-space:nowrap;transition:color 140ms var(--ease);
}
.utility-link:hover{color:var(--paper)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:10px 18px;border-radius:999px;
  font-size:14px;font-weight:700;line-height:1.2;
  border:1px solid transparent;white-space:nowrap;
  transition:transform 150ms var(--ease),background-color 150ms var(--ease),
             color 150ms var(--ease),border-color 150ms var(--ease),box-shadow 150ms var(--ease);
}
.btn--accent{background:var(--orange);color:#1A0A02;box-shadow:0 12px 26px -18px rgba(255,122,47,.95)}
.btn--accent:hover{background:var(--ember);transform:translateY(-1px)}
.btn--line{border-color:var(--line-2);color:var(--paper)}
.btn--line:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--ghost{background:rgba(245,242,232,.1);color:var(--paper)}
.btn--ghost:hover{background:rgba(245,242,232,.18)}
.btn--ink{background:var(--ink);color:var(--paper)}
.btn--ink:hover{background:var(--green)}

/* 菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:10px 13px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--paper);
  transition:border-color 140ms var(--ease),background-color 140ms var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__bars{
  position:relative;display:block;width:16px;height:2px;
  background:currentColor;border-radius:2px;
  transition:background-color 140ms var(--ease);
}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;
  background:currentColor;border-radius:2px;
  transition:transform 170ms var(--ease);
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle__text{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

/* 阅读进度 */
.header-progress{
  position:absolute;left:0;bottom:0;width:100%;height:2px;z-index:2;
  background:linear-gradient(90deg,var(--orange),var(--cyan));
  transform:scaleX(0);transform-origin:0 50%;
  pointer-events:none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);
  border-top:1px solid var(--line);
  color:var(--paper);
}
.site-footer::before{
  content:"";position:absolute;left:-140px;bottom:-200px;
  width:520px;height:520px;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,122,47,.18),transparent);
}
.site-footer::after{
  content:"";position:absolute;right:-160px;top:-180px;
  width:460px;height:460px;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(56,242,210,.13),transparent);
}
.footer-top{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1.8fr) minmax(0,1.05fr);
  gap:clamp(26px,4vw,56px);
  padding-block:clamp(40px,6vw,76px) clamp(28px,4vw,48px);
}
.footer-kicker{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--steel);
}
.footer-wordmark{
  margin-top:10px;
  font-size:clamp(38px,6.4vw,74px);font-weight:900;
  letter-spacing:-.03em;line-height:.92;
  background:linear-gradient(100deg,var(--paper),rgba(245,242,232,.4) 72%,var(--steel));
  -webkit-background-clip:text;background-clip:text;
  color:var(--paper);-webkit-text-fill-color:transparent;
}
.footer-note{
  max-width:38ch;margin-top:14px;
  font-size:13px;line-height:1.65;color:var(--steel);
  border-left:2px solid rgba(255,122,47,.5);padding-left:12px;
}
.footer-brand .btn{margin-top:18px}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,28px)}
.footer-col__title{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:10.5px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{
  display:inline-block;font-size:14px;color:rgba(245,242,232,.76);
  transition:color 140ms var(--ease),transform 140ms var(--ease);
}
.footer-links a:hover{color:var(--amber);transform:translateX(2px)}
.contact-list{display:flex;flex-direction:column;gap:10px}
.contact-row{display:grid;grid-template-columns:46px 1fr;gap:10px;align-items:start}
.contact-key{
  padding-top:2px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel);
}
.contact-val{font-size:13.5px;color:rgba(245,242,232,.88);word-break:break-word}
.contact-note{
  margin-top:16px;padding-left:11px;
  font-size:12px;line-height:1.65;color:var(--steel);
  border-left:2px solid rgba(56,242,210,.45);
}
.footer-legal{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding-block:18px 26px;
  border-top:1px dashed rgba(245,242,232,.16);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--steel);
}
.legal-links{display:flex;flex-wrap:wrap;gap:16px}
.legal-links a{transition:color 140ms var(--ease)}
.legal-links a:hover{color:var(--cyan)}
.footer-icp{margin-inline-start:auto;color:var(--steel)}

/* 返回顶部 */
.to-top{
  position:fixed;right:clamp(14px,3vw,30px);bottom:22px;z-index:70;
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 14px;border-radius:999px;
  background:rgba(14,51,41,.94);border:1px solid var(--line-2);
  color:var(--paper);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease),
             visibility 180ms,background-color 140ms var(--ease),border-color 140ms var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--green-2);border-color:var(--cyan)}
.to-top__arrow{
  display:block;width:9px;height:9px;
  border-left:2px solid currentColor;border-top:2px solid currentColor;
  transform:rotate(45deg);
}
.to-top__label{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em}

/* ============================================================
   SHARED LAYOUT / CONTENT COMPONENTS
   ============================================================ */
.shell{width:var(--shell);margin-inline:auto}
.main-offset{padding-top:calc(var(--header-h) + 28px)}
.section{padding-block:clamp(44px,7vw,88px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 24px;
  margin-bottom:clamp(20px,3vw,36px);
}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}
.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-12{grid-column:span 12}

.rule{height:1px;border:0;background:var(--line);margin-block:clamp(22px,4vw,46px)}
.divider{
  height:2px;border:0;margin-block:clamp(22px,4vw,46px);
  background:linear-gradient(90deg,var(--orange),var(--cyan) 46%,transparent 88%);
}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--paper);background:rgba(245,242,232,.06);border:1px solid var(--line-2);
}
.chip--cyan{color:var(--cyan);border-color:rgba(56,242,210,.45);background:rgba(56,242,210,.1)}
.chip--amber{color:var(--amber);border-color:rgba(255,209,102,.42);background:rgba(255,209,102,.1)}
.chip--orange{color:var(--ember);border-color:rgba(255,122,47,.48);background:rgba(255,122,47,.12)}

.breadcrumbs{
  padding-top:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--steel);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"›";margin-inline-end:8px;color:rgba(245,242,232,.3)}
.breadcrumbs a{transition:color 140ms var(--ease)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

.surface--cream{background:var(--cream);color:var(--ink)}
.surface--green{background:var(--green);color:var(--paper)}
.surface--ink{background:var(--ink);color:var(--paper)}
.surface--cream .label,.surface--cream .kicker,.surface--cream .media-caption{color:#5F6E68}
.surface--cream .breadcrumbs{color:#5F6E68}
.surface--cream .breadcrumbs a{color:#5F6E68}
.surface--cream .breadcrumbs [aria-current="page"]{color:var(--ink)}

.prose{max-width:72ch;font-size:16px;line-height:1.75}
.prose h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.015em;line-height:1.25;margin-block:1.5em .5em}
.prose h3{font-size:20px;font-weight:800;letter-spacing:-.01em;margin-block:1.3em .4em}
.prose h4{font-size:16px;font-weight:700;margin-block:1.2em .3em}
.prose p{margin-block:.9em}
.prose ul{margin-block:1em}
.prose ul li{position:relative;padding-inline-start:18px;margin-block:.42em}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;
  background:var(--orange);transform:rotate(45deg);
}
.prose ol{counter-reset:prose;margin-block:1em}
.prose ol li{counter-increment:prose;position:relative;padding-inline-start:28px;margin-block:.42em}
.prose ol li::before{
  content:counter(prose,decimal-leading-zero);
  position:absolute;left:0;top:.05em;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--orange);
}
.prose a{
  text-decoration:underline;text-decoration-color:var(--orange);
  text-decoration-thickness:1.5px;text-underline-offset:3px;
}
.prose a:hover{text-decoration-color:var(--cyan)}
.prose strong{font-weight:800}
.prose blockquote{
  margin-block:1.2em;padding:14px 18px;
  border-left:3px solid var(--cyan);background:rgba(56,242,210,.08);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;
}

.data-table{width:100%;font-size:14px}
.data-table caption{
  caption-side:top;text-align:left;padding-bottom:10px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel);
}
.data-table th,.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
.data-table thead th{
  font-family:var(--font-mono);font-size:10.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--steel);
  border-bottom-color:var(--line-2);
}
.data-table td.num,.data-table th.num{
  text-align:right;font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;font-weight:600;
}
.data-table tbody tr{transition:background-color 140ms var(--ease)}
.data-table tbody tr:hover{background:rgba(245,242,232,.05)}
.data-table tr[data-trend="up"] td:first-child{box-shadow:inset 2px 0 0 var(--cyan)}
.data-table tr[data-trend="down"] td:first-child{box-shadow:inset 2px 0 0 var(--orange)}
.surface--cream .data-table th,.surface--cream .data-table td{border-bottom-color:rgba(7,18,15,.14)}
.surface--cream .data-table tbody tr:hover{background:rgba(7,18,15,.05)}

.media-frame{
  position:relative;isolation:isolate;overflow:hidden;
  aspect-ratio:16/10;
  border-radius:var(--r-lg);
  background:linear-gradient(140deg,var(--green),#04100D 78%);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,18,15,.04),rgba(7,18,15,.58));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame--bleed{border-radius:0}
.media-frame--clip{border-radius:0;clip-path:polygon(0 0,100% 0,100% 86%,0 100%)}
.media-caption{
  margin-top:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--steel);
}

.reveal{opacity:0;transform:translateY(14px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1180px){
  .nav-link{font-size:13.5px;padding:8px 10px}
  .utility-link{display:none}
}

@media (max-width:1024px){
  :root{--header-h:84px}
  .rail{min-height:24px;font-size:10px;letter-spacing:.12em}
  .rail__meta{display:none}
  .header-actions .utility-link{display:none}
  .nav-toggle{display:inline-flex}
  .header-bar{gap:10px}

  .primary-nav{
    position:fixed;inset:0;margin-inline-start:0;
    padding:calc(var(--header-h) + 14px) var(--gutter) 30px;
    background:var(--ink);
    display:flex;flex-direction:column;gap:20px;
    opacity:0;visibility:hidden;transform:translateY(-12px);z-index:-1;
    overflow-y:auto;
    transition:opacity 180ms var(--ease),transform 180ms var(--ease),visibility 180ms;
  }
  [data-nav][data-open="true"]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    width:100%;font-size:19px;font-weight:600;
    padding:15px 6px;border-radius:0;
    border-bottom:1px solid var(--line);
    color:rgba(245,242,232,.86);
  }
  .nav-link[aria-current="page"]{
    color:var(--cyan);background:rgba(56,242,210,.08);
    box-shadow:inset 2px 0 0 var(--cyan);
    border-radius:0;
  }
  .drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}
  .drawer-actions .btn{width:100%;padding:14px 18px}

  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-contact{grid-column:1 / -1}
  .span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 12}
}

@media (max-width:720px){
  .rail__label{letter-spacing:.1em}
  .brand-sub{display:none}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-icp{margin-inline-start:0}
  .contact-row{grid-template-columns:56px 1fr}
  .to-top{bottom:16px}
}

@media (max-width:560px){
  .header-actions .btn--accent{display:none}
  .btn{padding:9px 15px;font-size:13.5px}
  .prose{font-size:15.5px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .nav-link:hover,.btn:hover,.footer-links a:hover,.brand:hover .brand-mark{transform:none}
}