/* ============================================================
   博澳赛场 · 共享样式 /assets/site.css
   夜间赛场数据指挥中心 × 技术蓝图网格
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}

:root{
  --ink:#07131F;
  --ink-2:#0C2238;
  --line:#1B3B52;
  --mint:#4DFFD2;
  --mint-deep:#0E8F7B;
  --amber:#FF9F43;
  --paper:#F5F1E8;
  --stone:#8C9BA8;
  --moss:#5F7A61;
  --clay:#B66A4E;
  --step:8px;
  --radius:2px;
  --shadow-hard:6px 6px 0 rgba(27,59,82,.85);
  --font-body:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"Cascadia Mono","Roboto Mono",Menlo,monospace;
  --page-max:1280px;
  --gutter:clamp(14px,3vw,28px);
}

html{-webkit-text-size-adjust:100%;text-size-adjust:100%}

body{
  margin:0;
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(27,59,82,.24) 1px,transparent 1px),
    linear-gradient(90deg,rgba(27,59,82,.24) 1px,transparent 1px);
  background-size:88px 88px;
  background-position:center top;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,6vw,5.4rem)}
h2{font-size:clamp(1.5rem,3vw,2.35rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--mint)}
img,svg{max-width:100%}
hr{border:0;border-top:1px solid var(--line);margin:0}

::selection{background:var(--mint);color:var(--ink)}

:focus-visible{outline:2px solid var(--mint);outline-offset:3px}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;left:16px;top:-80px;z-index:300;
  padding:12px 20px;background:var(--mint);color:var(--ink);
  font-weight:800;font-size:.86rem;letter-spacing:.08em;text-decoration:none;
  border:2px solid var(--ink);box-shadow:4px 4px 0 var(--line);
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ============================================================
   头部：居中刊头 + 索引刻度栏目条
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:2px solid var(--line);
  box-shadow:0 3px 0 rgba(77,255,210,.12);
}
.header-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:repeating-linear-gradient(90deg,rgba(27,59,82,.7) 0 1px,transparent 1px 88px);
}
.header-inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--page-max);margin-inline:auto;
  padding-inline:var(--gutter);
}

.masthead{
  display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:clamp(8px,2vw,24px);
  padding:14px 0 10px;
  border-bottom:1px solid rgba(27,59,82,.9);
}
.masthead__meta{
  display:flex;align-items:center;gap:10px;min-width:0;
  font-family:var(--font-num);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--stone);
}
.masthead__meta--right{justify-content:flex-end}
.tick-label{color:var(--mint-deep);letter-spacing:.2em}
.refresh-list{display:flex;gap:6px;margin:0;padding:0;list-style:none}
.refresh-list__item{
  padding:2px 7px;border:1px solid var(--line);color:var(--stone);
  font-size:.68rem;letter-spacing:.1em;background:rgba(12,34,56,.6);
}
.refresh-list__item:first-child{border-color:var(--mint);color:var(--mint)}
.refresh-list__item:last-child{border-color:rgba(255,159,67,.65);color:var(--amber)}

.brand{
  display:flex;align-items:center;gap:12px;justify-self:center;
  text-decoration:none;color:var(--paper);
}
.brand__mark{
  display:grid;place-items:center;flex:0 0 auto;
  width:44px;height:44px;background:var(--mint);color:var(--ink);
  font-weight:800;font-size:1.3rem;line-height:1;
  border:2px solid var(--ink);box-shadow:4px 4px 0 var(--line);
}
.brand__text{display:flex;flex-direction:column;line-height:1.05;text-align:left}
.brand__name{font-size:clamp(1.3rem,2.4vw,1.7rem);font-weight:800;letter-spacing:.14em}
.brand__tagline{
  margin-top:5px;font-family:var(--font-num);font-size:.62rem;
  letter-spacing:.3em;color:var(--mint);text-transform:uppercase;
}

.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 3px rgba(77,255,210,.16);flex:0 0 auto;
}
.status-text{color:var(--mint)}
.header-cta{
  display:inline-block;padding:7px 14px;
  border:2px solid var(--mint);background:transparent;color:var(--paper);
  font-family:var(--font-body);font-weight:700;font-size:.78rem;letter-spacing:.06em;
  text-decoration:none;box-shadow:3px 3px 0 rgba(14,143,123,.55);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease;
}
.header-cta:hover,.header-cta:focus-visible{
  background:var(--mint);color:var(--ink);border-color:var(--mint);
  transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(14,143,123,.7);
}

/* 移动端开合按钮 */
.nav-toggle{
  display:none;align-items:center;justify-self:end;gap:8px;
  padding:8px 12px;background:transparent;border:2px solid var(--line);
  color:var(--paper);font-family:var(--font-body);font-weight:700;
  font-size:.78rem;letter-spacing:.1em;cursor:pointer;
  transition:border-color .16s ease,color .16s ease;
}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;background:var(--mint);transition:opacity .16s ease}
.nav-toggle[aria-expanded="true"]{border-color:var(--mint);color:var(--mint)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}

/* 栏目条 */
.primary-nav{display:block}
.nav-index{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch;
  margin:0;padding:0;list-style:none;
  counter-reset:navidx;
}
.nav-index__item{display:block;counter-increment:navidx}
.nav-link{
  display:block;padding:10px 18px;text-decoration:none;
  font-size:.86rem;font-weight:600;letter-spacing:.08em;
  color:var(--stone);border-right:1px solid rgba(27,59,82,.85);
  transition:background-color .16s ease,color .16s ease;
}
.nav-index__item:first-child .nav-link{border-left:1px solid rgba(27,59,82,.85)}
.nav-link::before{
  content:counter(navidx,decimal-leading-zero);
  margin-right:9px;font-family:var(--font-num);font-size:.66rem;
  letter-spacing:.05em;color:var(--mint-deep);
}
.nav-link:hover,.nav-link:focus-visible{background:var(--ink-2);color:var(--paper)}
.nav-link[aria-current="page"]{background:var(--mint);color:var(--ink)}
.nav-link[aria-current="page"]::before{color:rgba(7,19,31,.7)}

/* ============================================================
   页脚：刷新刻度 / 档案分区 / 信息带
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:var(--ink-2);
  border-top:2px solid var(--line);
  color:var(--paper);
}
.footer-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(27,59,82,.8) 0 1px,transparent 1px 88px);
}
.footer-inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--page-max);margin-inline:auto;
  padding:clamp(30px,5vw,56px) var(--gutter) clamp(20px,3vw,32px);
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1.85fr);
  gap:clamp(24px,4vw,56px);
}
.footer-lead__tag{
  margin:0 0 10px;font-family:var(--font-num);font-size:.7rem;
  letter-spacing:.26em;text-transform:uppercase;color:var(--mint);
}
.footer-lead__line{
  margin:0 0 16px;max-width:15em;
  font-size:clamp(1.3rem,2.4vw,1.85rem);font-weight:800;line-height:1.3;
}
.footer-ticks{
  display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px;padding:0;list-style:none;
  font-family:var(--font-num);font-size:.72rem;letter-spacing:.08em;color:var(--stone);
}
.footer-ticks li{padding:4px 9px;border:1px solid var(--line);background:rgba(7,19,31,.5)}
.footer-ticks li:first-child{color:var(--mint);border-color:rgba(77,255,210,.55)}
.footer-ticks li:nth-child(2){color:var(--amber);border-color:rgba(255,159,67,.55)}

.footer-contact{
  display:grid;gap:8px;margin:0 0 20px;
  font-family:var(--font-num);font-size:.8rem;
}
.footer-contact__row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.footer-contact__label{
  min-width:2.9em;font-size:.66rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--mint-deep);
}
.footer-contact__value{color:var(--paper);word-break:break-all;line-height:1.4}
.copy-btn{
  padding:2px 8px;background:transparent;border:1px solid var(--line);
  color:var(--stone);font-family:var(--font-num);font-size:.66rem;
  letter-spacing:.08em;cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.copy-btn:hover,.copy-btn:focus-visible{background:var(--mint);border-color:var(--mint);color:var(--ink)}
.copy-btn[data-copied="true"]{background:var(--amber);border-color:var(--amber);color:var(--ink)}

.footer-lead__actions{display:flex;flex-wrap:wrap;gap:10px}

.footer-cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,32px);
}
.footer-col__title{
  margin:0 0 14px;padding-bottom:8px;border-bottom:1px solid var(--line);
  font-family:var(--font-num);font-size:.74rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--paper);
}
.footer-col__list{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.footer-col__list a{
  color:var(--stone);text-decoration:none;font-size:.9rem;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-col__list a:hover,.footer-col__list a:focus-visible{color:var(--mint);border-bottom-color:var(--mint)}

.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  background:rgba(7,19,31,.55);
}
.footer-bottom__inner{
  width:100%;max-width:var(--page-max);margin-inline:auto;
  padding:14px var(--gutter) 20px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  font-family:var(--font-num);font-size:.72rem;letter-spacing:.04em;color:var(--stone);
}
.footer-meta{display:flex;flex-wrap:wrap;gap:6px 18px;min-width:0}
.footer-meta__item{display:inline-flex;align-items:center;gap:6px;line-height:1.5}
.footer-meta__item strong{color:var(--mint-deep);font-weight:700;letter-spacing:.1em}

/* ============================================================
   通用组件
   ============================================================ */
.container{
  width:100%;max-width:var(--page-max);margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(32px,5vw,64px)}
.section--tight{padding-block:clamp(18px,3vw,34px)}

.section-head{
  display:grid;gap:8px;margin-bottom:clamp(16px,2.5vw,28px);
  padding-left:14px;border-left:4px solid var(--mint);
}
.section-head__title{margin:0}
.section-head__note{margin:0;color:var(--stone);font-size:.9rem;max-width:52em}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:.7rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--mint);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--mint)}
.annotation{
  display:inline-block;font-family:var(--font-num);font-size:.72rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--stone);
}
.annotation--vertical{writing-mode:vertical-rl;letter-spacing:.32em;padding-block:6px}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--4-8{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
.grid--3-9{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
.grid--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr))}
.stack{display:grid;gap:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;background:transparent;border:2px solid var(--mint);
  color:var(--paper);font-family:var(--font-body);font-weight:700;
  font-size:.86rem;letter-spacing:.06em;text-decoration:none;cursor:pointer;
  box-shadow:4px 4px 0 rgba(14,143,123,.5);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn:hover,.btn:focus-visible{
  background:var(--mint);color:var(--ink);border-color:var(--mint);
  transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(14,143,123,.65);
}
.btn--solid{background:var(--mint);color:var(--ink)}
.btn--solid:hover,.btn--solid:focus-visible{background:var(--paper);border-color:var(--paper)}
.btn--amber{border-color:var(--amber);box-shadow:4px 4px 0 rgba(182,106,78,.55)}
.btn--amber:hover,.btn--amber:focus-visible{background:var(--amber);border-color:var(--amber);color:var(--ink);box-shadow:6px 6px 0 rgba(182,106,78,.7)}
.btn--ghost{border-color:var(--line);color:var(--stone);box-shadow:none}
.btn--ghost:hover,.btn--ghost:focus-visible{
  background:var(--mint);border-color:var(--mint);color:var(--ink);
  transform:none;box-shadow:none;
}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid var(--line);
  background:rgba(12,34,56,.7);color:var(--stone);
  font-family:var(--font-num);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;white-space:nowrap;
}
.tag--mint{border-color:var(--mint);color:var(--mint);background:rgba(77,255,210,.08)}
.tag--amber{border-color:var(--amber);color:var(--amber);background:rgba(255,159,67,.1)}
.tag--moss{border-color:var(--moss);color:#A9C2AA}
.tag--clay{border-color:var(--clay);color:#DEA28C}

/* 记分牌卡片 */
.card{
  position:relative;padding:clamp(14px,2vw,22px);
  background:var(--ink-2);border:2px solid var(--line);
  box-shadow:5px 5px 0 rgba(27,59,82,.75);
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.card:hover,.card:focus-within{
  border-color:var(--mint-deep);
  transform:translate(-2px,-2px);
  box-shadow:7px 7px 0 rgba(14,143,123,.45);
}
.card__head{
  display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  padding-bottom:8px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.card__title{
  margin:0;font-family:var(--font-num);font-size:.76rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--stone);
}
.card__num{
  font-family:var(--font-num);font-weight:800;line-height:1;
  font-size:clamp(1.8rem,4vw,3rem);color:var(--mint);
}
.card--score{border-left:4px solid var(--mint)}
.card--alert{border-left:4px solid var(--amber)}

/* 数据焦点 */
.metric{display:grid;gap:4px}
.metric__value{
  font-family:var(--font-num);font-weight:800;line-height:1;
  font-size:clamp(1.6rem,4vw,2.8rem);color:var(--paper);
}
.metric__value--mint{color:var(--mint)}
.metric__value--amber{color:var(--amber)}
.metric__label{
  font-family:var(--font-num);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--stone);
}

/* 数据表 */
.data-table{
  width:100%;border-collapse:collapse;border:2px solid var(--line);
  background:rgba(12,34,56,.55);font-size:.88rem;
}
.data-table caption{
  padding:0 0 10px;text-align:left;font-family:var(--font-num);
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);
}
.data-table th,.data-table td{
  padding:10px 12px;text-align:left;
  border-bottom:1px solid rgba(27,59,82,.9);vertical-align:middle;
}
.data-table thead th{
  background:var(--ink-2);color:var(--stone);
  font-family:var(--font-num);font-size:.7rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;
}
.data-table td.num,.data-table th.num{
  font-family:var(--font-num);font-weight:700;color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.data-table tbody tr:hover{background:rgba(77,255,210,.06)}
.data-table th[data-sort]{cursor:pointer;user-select:none}
.data-table th[data-sort]::after{content:"↕";margin-left:8px;color:var(--mint-deep);font-size:.8em}
.data-table th[aria-sort="ascending"]::after{content:"↑";color:var(--mint)}
.data-table th[aria-sort="descending"]::after{content:"↓";color:var(--mint)}
.data-table th[data-sort]:hover{color:var(--paper)}

/* 图像容器（页面阶段放占位） */
.media-frame{
  position:relative;margin:0;overflow:hidden;
  border:2px solid var(--line);background:var(--ink-2);
  box-shadow:var(--shadow-hard);
}
.media-frame__inner{
  position:relative;display:grid;place-items:center;
  aspect-ratio:16/9;
  background-image:
    linear-gradient(135deg,rgba(12,34,56,.92),rgba(7,19,31,.92)),
    repeating-linear-gradient(90deg,rgba(27,59,82,.75) 0 1px,transparent 1px 32px);
  color:var(--stone);
  font-family:var(--font-num);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
}
.media-frame__inner img,.media-frame__inner picture,.media-frame__inner svg{
  display:block;width:100%;height:100%;object-fit:cover;
}
.media-frame--wide .media-frame__inner{aspect-ratio:21/9}
.media-frame--tall .media-frame__inner{aspect-ratio:4/5}
.media-frame__index{
  position:absolute;top:0;left:0;z-index:2;
  padding:4px 9px;background:var(--mint);color:var(--ink);
  font-family:var(--font-num);font-size:.66rem;font-weight:700;letter-spacing:.12em;
}
.media-frame__caption{
  padding:10px 12px;border-top:1px solid var(--line);
  background:rgba(7,19,31,.85);color:var(--stone);
  font-family:var(--font-num);font-size:.72rem;letter-spacing:.06em;line-height:1.5;
}

/* 面包屑 */
.breadcrumbs{
  margin:0 0 18px;font-family:var(--font-num);font-size:.72rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--stone);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs a{color:var(--stone);text-decoration:none;border-bottom:1px solid var(--line);transition:color .16s ease,border-color .16s ease}
.breadcrumbs a:hover,.breadcrumbs a:focus-visible{color:var(--mint);border-bottom-color:var(--mint)}
.breadcrumbs__sep{color:var(--mint-deep)}
.breadcrumbs__current{color:var(--paper)}

/* 渐显与阅读进度 */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-visible{opacity:1;transform:none}

.scroll-meter{
  position:fixed;left:0;right:0;bottom:0;z-index:250;height:3px;
  background:rgba(27,59,82,.9);pointer-events:none;
}
.scroll-meter__fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--mint-deep),var(--mint));
  transition:width .12s linear;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .tick-label{display:none}
  .nav-link{padding:9px 13px;font-size:.8rem}
}

@media (max-width:900px){
  .masthead{grid-template-columns:1fr auto;gap:12px;padding:12px 0}
  .masthead__meta--left{display:none}
  .masthead__meta--right{display:none}
  .brand{justify-self:start;gap:10px}
  .brand__mark{width:38px;height:38px;font-size:1.1rem}
  .brand__tagline{font-size:.56rem;letter-spacing:.24em}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    display:none;
    margin-inline:calc(var(--gutter) * -1);
    background:var(--ink-2);
    border-top:1px solid var(--line);
  }
  .primary-nav[data-open]{display:block}
  .nav-index{flex-direction:column;flex-wrap:nowrap;counter-reset:navidx}
  .nav-index__item{border-bottom:1px solid rgba(27,59,82,.9)}
  .nav-link{
    padding:14px var(--gutter);font-size:.95rem;border-right:0;
  }
  .nav-index__item:first-child .nav-link{border-left:0}
  .nav-link::before{font-size:.72rem}

  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-lead__line{max-width:20em}
}

@media (max-width:860px){
  .grid--4-8,.grid--3-9,.grid--5-7,.grid--halves,.grid--thirds{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:520px){
  .footer-cols{grid-template-columns:minmax(0,1fr);gap:20px}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start}
  .refresh-list__item{font-size:.62rem;padding:2px 5px}
  .card__num{font-size:1.7rem}
}

/* ============================================================
   动效降级
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .card:hover,.card:focus-within{transform:none}
  .btn:hover,.btn:focus-visible{transform:none}
  .header-cta:hover,.header-cta:focus-visible{transform:none}
  .scroll-meter__fill{transition:none}
}