/* ============================================================
   乐动体育赛事数据中心 · 共享样式表  /assets/site.css
   深青绿 + 活力橙 + 金属银灰 / 切角面板 / 命令栏导航
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --green-900:#0B3B36;
  --green-700:#0F5248;
  --green-400:#14857A;
  --orange-500:#FF6A1A;
  --orange-300:#FFB25C;
  --indigo-800:#2B2F6B;
  --wine-700:#7A1F3D;
  --silver-400:#C9D3D1;
  --silver-600:#6E7B79;
  --paper:#F4F7F6;
  --ink-950:#0A1F1C;

  --font-display:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-data:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --cut:11px;
  --cut-tr:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
  --cut-corner:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));

  --shell:1240px;
  --pad-x:clamp(16px,4vw,48px);
  --head-h:84px;
}

/* ---------- 2. 重置与中文排版 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-950);
  font-family:var(--font-display);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
strong{font-weight:800}
.num,.brand-mark__sub,.head-stamp,.nav-idx,.index-bar,.eyebrow,.data-card__value,
.data-table__num,.copy-line,.foot-icp,.foot-copy,.chip,.foot-status{font-variant-numeric:tabular-nums}

:focus-visible{outline:2px solid var(--orange-500);outline-offset:2px}
.site-head :focus-visible,.site-foot :focus-visible{outline-offset:-3px}

.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;
}

/* ---------- 3. 布局容器与色彩分区 ---------- */
.wrap{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad-x)}
.wrap--narrow{max-width:880px}
.section{padding-block:clamp(40px,6vw,88px)}
.section--tight{padding-block:clamp(22px,3vw,44px)}

.zone-green{background:var(--green-900);color:var(--paper)}
.zone-indigo{background:var(--indigo-800);color:var(--paper)}
.zone-wine{background:var(--wine-700);color:var(--paper)}
.zone-paper{background:var(--paper);color:var(--ink-950)}
.zone-green .lede,.zone-indigo .lede,.zone-wine .lede{color:var(--silver-400)}
.zone-green .eyebrow,.zone-indigo .eyebrow,.zone-wine .eyebrow{color:var(--orange-300)}

/* ---------- 4. 通用网格 ---------- */
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(178px,1fr))}
.table-scroll{width:100%;overflow-x:auto}

/* ---------- 5. 跳转链接 ---------- */
.skip-link{
  position:absolute;left:14px;top:-70px;z-index:130;
  background:var(--orange-500);color:var(--ink-950);
  font-size:13px;font-weight:800;letter-spacing:.06em;
  padding:10px 18px;text-decoration:none;
  clip-path:var(--cut-tr);transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ---------- 6. 命令栏头部 ---------- */
.site-head{
  position:sticky;top:0;z-index:70;
  display:flex;align-items:center;
  gap:clamp(10px,2vw,28px);
  min-height:var(--head-h);
  padding:0 clamp(14px,3vw,42px);
  background-color:var(--green-900);
  background-image:
    linear-gradient(104deg,rgba(20,133,122,.55) 0 16%,rgba(20,133,122,0) 16.2%),
    repeating-linear-gradient(90deg,rgba(201,211,209,.055) 0 1px,rgba(201,211,209,0) 1px 78px);
  color:var(--paper);
  border-bottom:1px solid rgba(201,211,209,.18);
}
.site-head::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--orange-500) 0 20%,var(--green-400) 20% 44%,var(--silver-400) 44% 58%,rgba(201,211,209,0) 58%);
}

.head-rail{
  flex:1 1 auto;display:flex;align-items:center;
  gap:clamp(12px,2vw,26px);min-width:0;padding:12px 0;
}
.brand-mark{display:flex;flex-direction:column;text-decoration:none;line-height:1.05;flex:0 0 auto}
.brand-mark__cn{font-size:20px;font-weight:800;letter-spacing:.04em;color:var(--paper)}
.brand-mark__sub{
  margin-top:5px;font-family:var(--font-data);font-size:10px;
  letter-spacing:.24em;color:var(--orange-300);
}
.head-meta{
  display:flex;flex-direction:column;gap:6px;min-width:0;
  padding-left:clamp(12px,2vw,20px);
  border-left:1px solid rgba(201,211,209,.26);
}
.head-tagline{font-size:12px;letter-spacing:.1em;color:var(--silver-400)}
.head-stamp{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-data);font-size:11px;letter-spacing:.12em;color:var(--orange-300);
}
.stamp-dot{
  width:7px;height:7px;border-radius:50%;background:var(--orange-500);
  box-shadow:0 0 0 4px rgba(255,106,26,.18);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(255,106,26,.18);opacity:1}
  50%{box-shadow:0 0 0 8px rgba(255,106,26,0);opacity:.75}
}

.nav-toggle{
  display:none;align-items:center;gap:9px;flex:0 0 auto;
  background:transparent;border:1px solid rgba(201,211,209,.42);
  color:var(--paper);font-size:12px;letter-spacing:.16em;
  padding:9px 13px;cursor:pointer;clip-path:var(--cut-tr);
}
.nav-toggle:hover{border-color:var(--orange-500);color:var(--orange-300)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--orange-500)}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}

.site-nav{
  flex:0 1 auto;display:flex;align-items:center;justify-content:flex-end;
  gap:10px;min-width:0;overflow-x:auto;scrollbar-width:none;
}
.site-nav::-webkit-scrollbar{display:none}
.nav-index{display:flex;align-items:center;gap:2px}
.nav-index a{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;color:var(--silver-400);text-decoration:none;
  font-size:13px;letter-spacing:.14em;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-index a:hover{color:var(--paper);background:rgba(20,133,122,.32)}
.nav-index a[aria-current="page"]{color:var(--paper)}
.nav-index a[aria-current="page"]::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;background:var(--orange-500);
}
.nav-idx{font-family:var(--font-data);font-size:10px;letter-spacing:.1em;color:var(--orange-500)}
.nav-cta{
  flex:0 0 auto;margin-left:10px;
  background:var(--orange-500);color:var(--ink-950);
  font-size:13px;font-weight:800;letter-spacing:.06em;
  padding:11px 17px;text-decoration:none;white-space:nowrap;
  clip-path:var(--cut-tr);transition:background-color .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--orange-300)}

.head-progress{
  position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--orange-500),var(--orange-300));
  transform:scaleX(var(--progress,0));transform-origin:0 50%;
  pointer-events:none;
}

/* ---------- 7. 页脚 ---------- */
.site-foot{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,8vw,110px);
  padding:clamp(44px,6vw,84px) var(--pad-x) 26px;
  background:linear-gradient(157deg,var(--green-900) 0%,#082B27 48%,var(--ink-950) 100%);
  color:var(--silver-400);
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;
  background:linear-gradient(90deg,var(--orange-500) 0 13%,rgba(20,133,122,.9) 13% 26%,rgba(201,211,209,.35) 26% 34%,rgba(201,211,209,0) 34%);
}
.site-foot::after{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;
  background:var(--indigo-800);opacity:.3;transform:rotate(26deg);
  clip-path:polygon(0 0,100% 18%,72% 100%,0 82%);pointer-events:none;
}
.foot-inner{position:relative;z-index:1;max-width:var(--shell);margin-inline:auto}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr repeat(3,minmax(0,.82fr)) 1.45fr;
  gap:clamp(20px,2.6vw,44px);
}
.foot-brand__line{font-size:18px;font-weight:800;letter-spacing:.03em;color:var(--paper)}
.foot-brand__note{
  margin-top:10px;font-family:var(--font-data);font-size:11px;
  letter-spacing:.14em;color:var(--orange-300);
}
.foot-brand__scope{margin-top:6px;font-size:13px;line-height:1.7;color:var(--silver-600)}
.foot-col__title{
  font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--orange-300);
  padding-bottom:9px;margin-bottom:12px;position:relative;
}
.foot-col__title::after{
  content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--orange-500);
}
.foot-col ul{display:grid;gap:9px}
.foot-col a{
  font-size:14px;letter-spacing:.04em;color:var(--silver-400);text-decoration:none;
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.foot-col a:hover{color:var(--paper);border-bottom-color:var(--orange-500)}
.foot-contact{min-width:0}
.copy-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:10px;font-family:var(--font-data);font-size:13px;letter-spacing:.02em;
}
.copy-line__val{color:var(--paper)}
.copy-btn{
  background:transparent;border:1px solid rgba(201,211,209,.45);
  color:var(--silver-400);font-size:11px;letter-spacing:.14em;
  padding:4px 10px;cursor:pointer;clip-path:var(--cut-tr);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.copy-btn:hover{border-color:var(--orange-500);color:var(--orange-300)}
.copy-btn[data-copied="true"]{background:var(--orange-500);border-color:var(--orange-500);color:var(--ink-950)}
.foot-addr{margin-top:12px;font-size:13px;line-height:1.7;color:var(--silver-600)}
.foot-status{min-height:18px;margin-top:8px;font-family:var(--font-data);font-size:11px;letter-spacing:.08em;color:var(--orange-300)}
.foot-status[data-state="err"]{color:var(--orange-500)}
.foot-base{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:8px 28px;margin-top:clamp(28px,4vw,52px);padding-top:18px;
  border-top:1px solid rgba(201,211,209,.22);
  font-family:var(--font-data);font-size:12px;letter-spacing:.1em;color:var(--silver-600);
}
.foot-copy{color:var(--silver-400)}
.foot-note{color:var(--silver-600)}

/* ---------- 8. 标题族 / 索引带 / 正文 ---------- */
.index-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.16em;
  color:var(--silver-600);padding-block:12px;
  border-bottom:1px solid rgba(110,123,121,.3);
}
.index-bar__tag{color:var(--orange-500)}
.eyebrow{
  font-family:var(--font-data);font-size:12px;letter-spacing:.2em;
  color:var(--orange-500);text-transform:uppercase;
}
.display{
  font-size:clamp(40px,7vw,104px);font-weight:300;
  letter-spacing:-.02em;line-height:1.03;
}
.display--sm{font-size:clamp(32px,4.6vw,64px)}
.headline{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.section-head{
  position:relative;display:grid;gap:10px;
  padding-top:20px;margin-bottom:clamp(20px,3vw,36px);
}
.section-head::before{
  content:"";position:absolute;left:0;top:0;width:min(220px,42%);height:5px;
  background:var(--orange-500);
  clip-path:polygon(0 0,100% 0,calc(100% - 6px) 100%,0 100%);
}
.lede{font-size:clamp(17px,1.4vw,19px);line-height:1.8;color:var(--silver-600);max-width:64ch}
.prose p{max-width:68ch;margin-bottom:1.05em;font-size:17px;line-height:1.8}
.prose h2{margin:1.4em 0 .5em;font-size:clamp(20px,2.2vw,26px);font-weight:800}
.prose h3{margin:1.2em 0 .4em;font-size:18px;font-weight:800}
.prose a{color:var(--green-400);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--orange-500)}
.aside-note{
  padding-left:14px;border-left:3px solid var(--green-400);
  font-size:14px;line-height:1.75;color:var(--silver-600);
}
.rule-slash{
  height:2px;border:0;margin:0;
  background:linear-gradient(90deg,var(--silver-400),rgba(201,211,209,0));
  transform:skewY(-1.2deg);
}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:800;letter-spacing:.06em;
  padding:13px 22px;text-decoration:none;border:1px solid transparent;
  cursor:pointer;clip-path:var(--cut-tr);
  transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--orange-500);color:var(--ink-950)}
.btn--ghost{background:transparent;border-color:var(--silver-400);color:var(--paper)}
.btn--ghost:hover{border-color:var(--orange-500);color:var(--orange-300)}
.btn--ghost-dark{background:transparent;border-color:var(--silver-600);color:var(--ink-950)}
.btn--ghost-dark:hover{border-color:var(--orange-500);color:var(--orange-500)}
@media (hover:hover){
  .btn:hover{transform:translateY(-2px)}
  .btn--primary:hover{background:var(--orange-300)}
}

/* ---------- 10. 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.12em;color:var(--silver-600);
}
.crumbs a{text-decoration:none;border-bottom:1px solid rgba(110,123,121,.5)}
.crumbs a:hover{color:var(--orange-500);border-bottom-color:var(--orange-500)}
.crumbs__sep{color:var(--orange-500)}

/* ---------- 11. 面板 / 数据卡 ---------- */
.panel{
  position:relative;padding:clamp(20px,2.6vw,34px);
  background:var(--green-700);color:var(--paper);
  clip-path:var(--cut-corner);
}
.panel--light{background:#fff;color:var(--ink-950);border:1px solid var(--silver-400)}
.panel--indigo{background:var(--indigo-800)}
.panel--wine{background:var(--wine-700)}
.panel__label{
  display:block;margin-bottom:10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.16em;color:var(--orange-300);
}
.panel--light .panel__label{color:var(--orange-500)}

.data-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px;background:#fff;border:1px solid var(--silver-400);
  clip-path:var(--cut-tr);
}
.data-card--accent{border-left:4px solid var(--orange-500)}
.data-card__value{
  font-family:var(--font-data);font-size:clamp(30px,3.6vw,44px);
  font-weight:700;line-height:1;color:var(--green-900);
}
.data-card__unit{font-family:var(--font-display);font-size:14px;color:var(--silver-600);margin-left:4px}
.data-card__label{font-size:13px;letter-spacing:.1em;color:var(--silver-600)}

/* ---------- 12. 数据表格 ---------- */
.data-table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.data-table caption{
  text-align:left;padding-bottom:10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.16em;color:var(--silver-600);
}
.data-table th{
  text-align:left;padding:10px 12px;font-size:12px;font-weight:800;
  letter-spacing:.14em;color:var(--green-900);border-bottom:2px solid var(--green-900);
}
.data-table td{padding:12px;border-bottom:1px solid var(--silver-400);vertical-align:top}
.data-table tbody tr:nth-child(even){background:rgba(201,211,209,.28)}
.data-table tbody tr:hover{background:rgba(255,106,26,.1)}
.data-table__num{font-family:var(--font-data);text-align:right;white-space:nowrap}

/* ---------- 13. 筛选条 / 标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.chip{
  font-family:var(--font-data);font-size:12px;font-weight:600;letter-spacing:.12em;
  padding:8px 14px;background:transparent;border:1px solid var(--silver-400);
  color:var(--silver-600);cursor:pointer;clip-path:var(--cut-tr);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--orange-500);color:var(--green-900)}
.chip[aria-pressed="true"]{background:var(--orange-500);border-color:var(--orange-500);color:var(--ink-950)}

/* ---------- 14. 时间轴 / 问答 ---------- */
.timeline{position:relative;display:grid;gap:clamp(20px,3vw,36px);padding-left:clamp(26px,4vw,60px)}
.timeline::before{
  content:"";position:absolute;left:clamp(5px,1vw,14px);top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--green-400),var(--orange-500));
}
.timeline > *{position:relative}
.timeline > *::before{
  content:"";position:absolute;left:calc(-1 * clamp(26px,4vw,60px));top:8px;
  width:11px;height:11px;background:var(--orange-500);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.qa{border-bottom:1px solid var(--silver-400)}
.qa summary{
  position:relative;padding:16px 36px 16px 0;cursor:pointer;
  font-size:16px;font-weight:800;list-style:none;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{
  content:"+";position:absolute;right:6px;top:13px;
  font-family:var(--font-data);font-size:20px;line-height:1;color:var(--orange-500);
}
.qa[open] summary::after{content:"–"}
.qa__body{padding:0 0 18px;font-size:16px;line-height:1.8;color:var(--silver-600)}

/* ---------- 15. 图片容器 ---------- */
.media{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;background:var(--silver-400);
  clip-path:var(--cut-tr);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--portrait{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--empty::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(15,82,72,.2) 0 10px,rgba(15,82,72,0) 10px 24px);
}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;padding:12px 14px;
  background:linear-gradient(rgba(10,31,28,0),rgba(10,31,28,.82));
  color:var(--paper);font-size:12px;letter-spacing:.1em;
}

/* ---------- 16. 入场动效 ---------- */
.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .42s ease,transform .42s ease}
.js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 17. 响应式 ---------- */
@media (max-width:1180px){
  .head-tagline{display:none}
}
@media (max-width:1080px){
  .foot-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:960px){
  .site-head{padding-bottom:10px;align-items:flex-start;padding-top:10px}
  .head-rail{padding:2px 0 12px}
  .head-meta{display:none}
  .nav-toggle{display:inline-flex;margin-top:6px}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:4px;padding:14px var(--pad-x) 22px;
    background-color:var(--green-900);
    border-top:1px solid rgba(201,211,209,.22);
    box-shadow:0 26px 44px rgba(10,31,28,.42);
    max-height:calc(100vh - 8px);overflow-y:auto;
  }
  .site-head[data-open] .site-nav{display:flex}
  .nav-index{flex-direction:column;align-items:stretch;gap:0}
  .nav-index a{
    padding:13px 10px;font-size:14px;letter-spacing:.1em;
    border-bottom:1px solid rgba(201,211,209,.14);
  }
  .nav-index a[aria-current="page"]::after{left:10px;right:auto;width:22px;bottom:8px}
  .nav-cta{margin:16px 0 0;text-align:center;justify-content:center;padding:14px 18px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:16px}
  .brand-mark__cn{font-size:18px}
  .foot-grid{grid-template-columns:1fr}
  .foot-base{flex-direction:column;align-items:flex-start}
  .display{font-size:clamp(34px,10vw,54px)}
  .foot-brand__line{font-size:16px}
}

/* ---------- 18. 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .head-progress{display:none}
}