/* ==========================================================================
   新记体育 · 共享样式表 /assets/site.css
   设计方向：深夜战术分析室 + 赛场边线视角
   ========================================================================== */

/* 1. 设计令牌 ------------------------------------------------------------- */
:root{
  --ink:#071A14;
  --pitch:#0E3B2E;
  --pitch-soft:rgba(14,59,46,.62);
  --cyan:#00E5C7;
  --glow:#2AF5D0;
  --orange:#FF8A3D;
  --paper:#F4F0E6;
  --graphite:#1C2B26;
  --cool:#9BB0A8;
  --lime:#C8FF4D;
  --alert:#FF5A5F;

  --text:#D9E6E0;
  --text-strong:#F4F0E6;
  --line:rgba(155,176,168,.22);
  --line-strong:rgba(155,176,168,.42);

  --font-display:"Barlow Condensed","Noto Sans SC","Source Han Sans","PingFang SC",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --font-body:"Noto Sans SC","Source Han Sans","PingFang SC","Microsoft YaHei",sans-serif;

  --shell:1240px;
  --gutter:clamp(18px,4vw,44px);
  --rail-h:36px;
  --header-h:78px;

  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --speed:.22s;
}

/* 2. Reset --------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px}
::selection{background:rgba(0,229,199,.28);color:#F4F0E6}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}

/* 3. 基础排版 ------------------------------------------------------------ */
body{
  display:flex;
  flex-direction:column;
  min-height:100vh;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 84% -12%, rgba(0,229,199,.10), transparent 64%),
    radial-gradient(760px 480px at 4% 6%, rgba(255,138,61,.07), transparent 60%);
}
body > *{position:relative;z-index:1}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--text-strong);font-weight:700;line-height:1.14;letter-spacing:.01em}
.display-1{font-size:clamp(38px,6vw,72px);line-height:1.02;letter-spacing:-.01em}
.display-2{font-size:clamp(28px,4.2vw,44px)}
.display-3{font-size:clamp(21px,2.6vw,28px)}
.lede{font-size:clamp(17px,1.5vw,20px);line-height:1.75;color:#BFD3CB;max-width:64ch}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan)
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor}
.rule{height:1px;border:0;background:linear-gradient(90deg,var(--line-strong),transparent)}

/* 4. 布局工具 ------------------------------------------------------------ */
.shell{width:calc(100% - var(--gutter) * 2);max-width:var(--shell);margin-inline:auto}
.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(30px,4vw,56px)}
.section--paper{background:var(--paper);color:#0B241C}
.section--paper h1,.section--paper h2,.section--paper h3{color:#08201A}
.section--paper .lede{color:#3A5148}
.site-main,main{flex:1 0 auto}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0
}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* 5. 跳过导航 ------------------------------------------------------------ */
.skip-link{
  position:absolute;left:16px;top:-70px;z-index:200;
  padding:10px 20px;border-radius:0 0 10px 10px;
  background:var(--cyan);color:#04211A;
  font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.06em;
  transition:top var(--speed) ease
}
.skip-link:focus{top:0}

/* 6. 页头 ---------------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,26,20,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.header-rail{
  background:linear-gradient(90deg,rgba(14,59,46,.96),rgba(7,26,20,.96));
  border-bottom:1px solid rgba(0,229,199,.18)
}
.rail-inner{
  display:flex;align-items:center;gap:clamp(12px,3vw,28px);
  min-height:var(--rail-h);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--cool);white-space:nowrap;overflow-x:auto;
  scrollbar-width:none
}
.rail-inner::-webkit-scrollbar{display:none}
.rail-signal{display:inline-flex;align-items:center;gap:8px;color:var(--cyan)}
.rail-signal__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan)
}
.rail-list{display:flex;gap:clamp(12px,2vw,22px);margin-left:auto}
.rail-link{color:var(--cool);transition:color var(--speed) ease}
.rail-link:hover{color:var(--glow)}

.header-main{display:block}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:clamp(12px,3vw,30px);
  min-height:var(--header-h)
}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{
  position:relative;flex:0 0 auto;width:36px;height:36px;
  background:linear-gradient(140deg,var(--cyan),#0B7F6E);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%)
}
.brand__mark::after{
  content:"";position:absolute;right:6px;bottom:6px;
  width:9px;height:9px;border-radius:50%;background:var(--orange)
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{
  font-family:var(--font-display);font-weight:700;font-size:22px;
  letter-spacing:.06em;color:var(--text-strong)
}
.brand__tag{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;color:var(--cool)
}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 15px;border:1px solid var(--line-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--text-strong);
  transition:border-color var(--speed) ease,color var(--speed) ease
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bar{
  position:relative;width:16px;height:2px;background:var(--cyan);display:inline-block;
  transition:background var(--speed) ease
}
.nav-toggle__bar::before,
.nav-toggle__bar::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--cyan);
  transition:transform var(--speed) ease
}
.nav-toggle__bar::before{top:-5px}
.nav-toggle__bar::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after{transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{line-height:1}

.primary-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:clamp(3px,1vw,12px)}
.nav-link{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:9px 11px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-display);font-weight:600;font-size:16px;letter-spacing:.03em;
  color:#BCD0C9;
  transition:color var(--speed) ease,background var(--speed) ease,border-color var(--speed) ease
}
.nav-link__idx{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--cool);
  transition:color var(--speed) ease
}
.nav-link:hover{color:var(--text-strong);background:rgba(0,229,199,.09);border-color:rgba(0,229,199,.3)}
.nav-link:hover .nav-link__idx{color:var(--cyan)}
.nav-link[aria-current="page"]{
  color:var(--glow);background:rgba(0,229,199,.12);border-color:rgba(0,229,199,.42)
}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--lime)}

/* 7. 页脚 ---------------------------------------------------------------- */
.site-footer{
  position:relative;margin-top:auto;
  background:linear-gradient(180deg,rgba(14,59,46,.88),var(--ink) 58%);
  border-top:1px solid var(--line);
  padding-block:clamp(38px,5vw,66px) 26px
}
.footer__edge{
  position:absolute;top:0;left:0;right:0;height:6px;opacity:.5;
  background:repeating-linear-gradient(115deg,rgba(0,229,199,.55) 0 10px,transparent 10px 26px)
}
.footer__inner{display:grid;gap:clamp(26px,4vw,46px)}
.footer-grid{
  display:grid;gap:clamp(24px,3.4vw,44px);
  grid-template-columns:minmax(220px,1.2fr) repeat(3,minmax(140px,1fr))
}
.footer-brand__name{
  display:inline-block;font-family:var(--font-display);font-weight:700;
  font-size:28px;letter-spacing:.05em;color:var(--text-strong)
}
.footer-brand__tag{
  margin-top:6px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.2em;color:var(--cyan)
}
.footer-brand__meta{
  display:flex;align-items:center;gap:9px;margin-top:14px;
  font-size:13.5px;color:var(--cool)
}
.footer-col__title{
  margin-bottom:14px;font-family:var(--font-mono);font-weight:500;
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--cool)
}
.footer-list{display:grid;gap:10px}
.footer-link{
  display:inline-block;font-size:15px;color:#C6D8D1;
  transition:color var(--speed) ease,padding-left var(--speed) ease
}
.footer-link:hover{color:var(--glow);padding-left:5px}
.footer-contact{
  display:grid;gap:12px;
  border-top:1px solid var(--line);
  padding-top:clamp(20px,3vw,30px)
}
.footer-contact__lead{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;color:var(--cyan)
}
.footer-contact__list{
  display:grid;gap:12px 28px;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr))
}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.footer-contact__k{
  min-width:64px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.14em;color:var(--cool)
}
.footer-contact__v{font-size:15px;color:#D7E5DF}
.footer-contact__note{max-width:78ch;font-size:13.5px;line-height:1.7;color:var(--cool)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);padding-top:20px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--cool)
}
.footer-legal,.footer-icp{color:var(--cool)}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal-links a{color:#C6D8D1;transition:color var(--speed) ease}
.footer-legal-links a:hover{color:var(--glow)}

/* 8. 按钮 / 标签 / 面包屑 ------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.05em;
  transition:background var(--speed) ease,color var(--speed) ease,border-color var(--speed) ease,transform var(--speed) ease
}
.btn--primary{background:var(--orange);color:#0B1F18}
.btn--primary:hover{background:#FF9E5C;transform:translateY(-2px)}
.btn--cyan{background:var(--cyan);color:#04211A}
.btn--cyan:hover{background:var(--glow);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line-strong);color:var(--text-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--cool)
}
.tag--accent{border-color:rgba(0,229,199,.5);color:var(--cyan)}
.tag--warn{border-color:rgba(255,90,95,.5);color:var(--alert)}

.crumbs{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--cool);
  padding-block:18px
}
.crumbs__list{display:flex;flex-wrap:wrap;gap:8px}
.crumbs__item{display:inline-flex;gap:8px}
.crumbs__item + .crumbs__item::before{content:"/";color:var(--line-strong)}
.crumbs__link{transition:color var(--speed) ease}
.crumbs__link:hover{color:var(--cyan)}

/* 9. 组件 ---------------------------------------------------------------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;padding-bottom:22px;margin-bottom:clamp(26px,4vw,48px);
  border-bottom:1px solid var(--line)
}
.section-head__num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.18em;color:var(--cool)
}
.section--paper .section-head{border-bottom-color:rgba(11,36,28,.2)}
.section--paper .section-head__num{color:#4B6459}

.index-list{display:grid;border-top:1px solid var(--line)}
.index-list__item{
  display:grid;grid-template-columns:auto 1fr auto;
  gap:clamp(12px,2vw,28px);align-items:baseline;
  padding:clamp(16px,2vw,24px) clamp(6px,1vw,14px);
  border-bottom:1px solid var(--line);
  transition:background var(--speed) ease,padding-left var(--speed) ease
}
.index-list__item:hover{background:rgba(0,229,199,.05);padding-left:clamp(14px,2vw,24px)}
.index-list__num{font-family:var(--font-mono);font-size:13px;color:var(--cyan)}
.index-list__title{
  font-family:var(--font-display);font-size:clamp(20px,2.4vw,30px);
  color:var(--text-strong)
}
.index-list__meta{font-family:var(--font-mono);font-size:12px;color:var(--cool)}

.board{
  position:relative;display:grid;gap:18px;overflow:hidden;
  padding:clamp(22px,3vw,34px);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(14,59,46,.92),rgba(7,26,20,.92))
}
.board::after{
  content:"";position:absolute;right:-46px;top:-46px;width:200px;height:200px;
  border-radius:44% 56% 62% 38% / 52% 44% 56% 48%;
  background:radial-gradient(circle at 35% 35%,rgba(0,229,199,.18),transparent 70%);
  pointer-events:none
}
.board__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan)
}
.board__summary{max-width:66ch;font-size:17px;color:#C9DBD4}
.board__evidence,
.board__terms,
.board__reading{border-top:1px dashed var(--line);padding-top:14px;display:grid;gap:10px}

.scoreboard{
  display:grid;grid-auto-flow:column;grid-auto-columns:1fr;
  border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;background:rgba(28,43,38,.6)
}
.scoreboard__cell{padding:14px 16px;border-right:1px solid var(--line)}
.scoreboard__cell:last-child{border-right:0}
.scoreboard__k{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--cool)}
.scoreboard__v{
  font-family:var(--font-mono);font-size:clamp(20px,2.4vw,28px);
  color:var(--glow);line-height:1.3
}

.card{
  position:relative;padding:clamp(18px,2.4vw,26px);
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:var(--pitch-soft);
  transition:transform var(--speed) ease,border-color var(--speed) ease,background var(--speed) ease
}
.card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,199,.45);
  background:rgba(14,59,46,.85)
}
.card__title{font-family:var(--font-display);font-size:clamp(19px,2.2vw,24px);color:var(--text-strong)}
.card__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--cool)}

.frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:linear-gradient(150deg,#0E3B2E,#071A14 62%)
}
.frame::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(155,176,168,.09) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(0deg,rgba(155,176,168,.07) 0 1px,transparent 1px 64px)
}
.frame::after{
  content:"";position:absolute;left:0;right:0;bottom:22%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,199,.6),transparent)
}
.frame > img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.frame--wide{aspect-ratio:16/9}
.frame--band{aspect-ratio:21/9}
.frame--tall{aspect-ratio:3/4}
.frame--square{aspect-ratio:1/1}
.frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:11px 14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:#DCE8E2;
  background:linear-gradient(transparent,rgba(7,26,20,.9))
}

.status-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(0,229,199,.16);
  animation:pulse 2.6s ease-in-out infinite
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(0,229,199,.16)}
  50%{box-shadow:0 0 0 8px rgba(0,229,199,.04)}
}
.copy-btn{
  padding:4px 11px;border:1px solid var(--line-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--cool);
  transition:color var(--speed) ease,border-color var(--speed) ease
}
.copy-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.copy-btn[data-state="done"]{color:var(--lime);border-color:var(--lime)}

.scroll-progress{
  position:fixed;top:0;left:0;z-index:120;width:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--lime),var(--orange));
  pointer-events:none
}

html.js-ready [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease
}
html.js-ready [data-reveal].is-visible{opacity:1;transform:none}

/* 10. 响应式 ------------------------------------------------------------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1000px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:940px){
  :root{--header-h:66px}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    flex-basis:100%;max-height:0;overflow:hidden;visibility:hidden;
    transition:max-height .3s ease,visibility .3s ease
  }
  .primary-nav[data-open="true"]{
    max-height:min(72vh,560px);overflow-y:auto;visibility:visible
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;padding-bottom:8px}
  .nav-item{border-top:1px solid var(--line)}
  .nav-link{
    width:100%;justify-content:flex-start;border-radius:0;
    font-size:19px;padding:14px 4px
  }
  .nav-link[aria-current="page"]{background:rgba(0,229,199,.1);border-color:transparent}
}
@media (max-width:860px){
  body{font-size:16px}
  .scoreboard{grid-auto-flow:row;grid-auto-columns:auto}
  .scoreboard__cell{border-right:0;border-bottom:1px solid var(--line)}
  .scoreboard__cell:last-child{border-bottom:0}
}
@media (max-width:640px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .index-list__item{grid-template-columns:auto 1fr}
  .index-list__meta{grid-column:2}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* 11. 动效偏好 ------------------------------------------------------------ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important
  }
  html.js-ready [data-reveal]{opacity:1;transform:none}
  .status-dot{animation:none}
  .card:hover,.btn:hover{transform:none}
}