/* =========================================================
   爱体育看台 · 共享样式 /assets/site.css
   堆叠面板 / 悬浮胶囊 / 深墨绿看台 / 荧光青数据高亮
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --ds-ink:#0B1F1A;
  --ds-panel:#12302A;
  --ds-deep:#06120F;
  --ds-warm:#F5F1E6;
  --ds-paper:#E1D9C6;
  --ds-cyan:#35F2D0;
  --ds-orange:#FF8A3D;
  --ds-moss:#7E9A92;
  --ds-teal:#0E5F55;
  --ds-yellow:#F4D35E;

  --ds-font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
  --ds-font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ds-font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --ds-cut:16px;
  --ds-gutter:clamp(16px,4vw,40px);
  --ds-max:1280px;
  --ds-header-h:70px;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:110px;
}
body{
  margin:0;
  min-height:100%;
  background-color:var(--ds-ink);
  background-image:
    radial-gradient(120% 80% at 88% -12%,rgba(53,242,208,.09),transparent 62%),
    radial-gradient(90% 60% at -12% 18%,rgba(255,138,61,.07),transparent 58%);
  background-attachment:fixed;
  color:var(--ds-warm);
  font-family:var(--ds-font-body);
  font-size:17px;
  line-height:1.7;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img,picture,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--ds-font-head);font-weight:800;letter-spacing:-.01em;line-height:1.14}
p{margin:0}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--ds-cyan);outline-offset:2px;border-radius:3px}

/* ---------- 3. 布局骨架 ---------- */
.ds-main{
  display:block;
  padding-top:118px;
  padding-bottom:8px;
}
.ds-container{
  width:100%;
  max-width:var(--ds-max);
  margin-inline:auto;
  padding-inline:var(--ds-gutter);
}
.ds-section{padding-block:clamp(32px,6vw,80px);position:relative}
.ds-section--tight{padding-block:clamp(20px,3vw,40px)}
.ds-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2.2vw,28px);
}
.ds-col{grid-column:span 12;min-width:0}
.ds-col--3{grid-column:span 3}
.ds-col--4{grid-column:span 4}
.ds-col--5{grid-column:span 5}
.ds-col--6{grid-column:span 6}
.ds-col--7{grid-column:span 7}
.ds-col--8{grid-column:span 8}
.ds-col--9{grid-column:span 9}
.ds-rule{height:1px;background:linear-gradient(90deg,var(--ds-teal),transparent)}
.ds-slant{height:2px;background:linear-gradient(90deg,transparent,var(--ds-teal) 20%,var(--ds-cyan));transform:skewY(-1.2deg);transform-origin:left;border:0}

/* ---------- 4. 头部：进度线 + 胶囊浮岛 ---------- */
.ds-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  z-index:130;
  background:rgba(53,242,208,.07);
  pointer-events:none;
}
.ds-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--ds-cyan),var(--ds-orange));
  transition:transform .12s linear;
}
.ds-skip{
  position:fixed;
  top:10px;left:50%;
  transform:translate(-50%,-220%);
  z-index:200;
  background:var(--ds-cyan);
  color:var(--ds-deep);
  font-size:14px;font-weight:700;
  padding:10px 20px;
  border-radius:999px;
  transition:transform .18s ease;
}
.ds-skip:focus{transform:translate(-50%,0)}

.ds-header{
  position:fixed;
  top:14px;left:0;right:0;
  z-index:100;
  padding-inline:var(--ds-gutter);
  transition:top .2s ease;
}
.ds-header[data-condensed="true"]{top:8px}
.ds-header__bar{
  max-width:var(--ds-max);
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.ds-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 18px 8px 8px;
  border-radius:999px;
  background:rgba(6,18,15,.84);
  border:1px solid var(--ds-teal);
  backdrop-filter:blur(10px);
  transition:padding .2s ease,border-color .18s ease,background-color .18s ease;
}
.ds-brand:hover{border-color:var(--ds-cyan)}
.ds-brand__mark{
  display:grid;place-items:center;
  width:36px;height:36px;
  border-radius:50%;
  background:var(--ds-cyan);
  color:var(--ds-deep);
  font-family:var(--ds-font-mono);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:width .2s ease,height .2s ease,font-size .2s ease;
}
.ds-brand__text{display:block}
.ds-brand__name{
  display:block;
  font-family:var(--ds-font-head);
  font-weight:900;
  font-size:16px;
  line-height:1.1;
  letter-spacing:-.01em;
  color:var(--ds-warm);
}
.ds-brand__sub{
  display:block;
  margin-top:2px;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--ds-moss);
}
.ds-header[data-condensed="true"] .ds-brand{padding:5px 14px 5px 5px}
.ds-header[data-condensed="true"] .ds-brand__mark{width:28px;height:28px;font-size:12px}
.ds-header[data-condensed="true"] .ds-brand__sub{display:none}

.ds-nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 15px;
  border-radius:999px;
  background:rgba(6,18,15,.84);
  border:1px solid var(--ds-teal);
  color:var(--ds-warm);
  font-size:13px;
  backdrop-filter:blur(10px);
}
.ds-nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:18px}
.ds-nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .18s ease,opacity .18s ease}
.ds-nav-toggle[aria-expanded="true"] .ds-nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ds-nav-toggle[aria-expanded="true"] .ds-nav-toggle__bars span:nth-child(2){opacity:0}
.ds-nav-toggle[aria-expanded="true"] .ds-nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.ds-nav-toggle__text{letter-spacing:.08em}

.ds-nav{
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px 8px;
  border-radius:999px;
  background:rgba(6,18,15,.84);
  border:1px solid var(--ds-teal);
  backdrop-filter:blur(10px);
}
.ds-nav__list{display:flex;align-items:center;gap:2px}
.ds-nav__link{
  position:relative;
  display:block;
  padding:9px 12px;
  border-radius:999px;
  font-size:14px;
  color:rgba(245,241,230,.76);
  white-space:nowrap;
  transition:color .16s ease,background-color .16s ease;
}
.ds-nav__link:hover{color:var(--ds-warm);background:rgba(53,242,208,.08)}
.ds-nav__link[aria-current="page"]{color:var(--ds-warm);background:rgba(18,48,42,.95)}
.ds-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:50%;bottom:3px;
  width:5px;height:5px;border-radius:50%;
  background:var(--ds-orange);
  transform:translateX(-50%);
}
.ds-header[data-condensed="true"] .ds-nav{padding:4px 6px}
.ds-header[data-condensed="true"] .ds-nav__link{padding:7px 11px}

.ds-nav__aside{
  display:flex;
  align-items:center;
  gap:10px;
  padding-left:10px;
  margin-left:4px;
  border-left:1px solid rgba(126,154,146,.35);
}
.ds-utility{display:flex;align-items:center;gap:2px}
.ds-utility__link{
  display:block;
  padding:6px 9px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--ds-moss);
  white-space:nowrap;
  transition:color .16s ease,background-color .16s ease;
}
.ds-utility__link:hover{color:var(--ds-cyan);background:rgba(53,242,208,.07)}
.ds-nav__cta{padding:9px 16px;font-size:13.5px}

body.ds-nav-open{overflow:hidden}

/* ---------- 5. 通用按钮 ---------- */
.ds-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  line-height:1.2;
  transition:transform .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.ds-btn:hover{transform:translateY(-2px)}
.ds-btn--primary{background:var(--ds-orange);color:var(--ds-deep);font-weight:700}
.ds-btn--primary:hover{background:#FFA365}
.ds-btn--ghost{background:rgba(14,95,85,.18);border-color:var(--ds-teal);color:var(--ds-warm)}
.ds-btn--ghost:hover{border-color:var(--ds-cyan);color:var(--ds-cyan)}
.ds-btn--cyan{background:var(--ds-cyan);color:var(--ds-deep)}

/* ---------- 6. 标题 / 注释 / 数据焦点 ---------- */
.ds-head{margin:0 0 clamp(18px,2.4vw,32px)}
.ds-head__num{
  display:block;
  font-family:var(--ds-font-mono);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--ds-cyan);
}
.ds-head__title{
  margin-top:10px;
  font-family:var(--ds-font-head);
  font-weight:900;
  font-size:clamp(28px,4.6vw,56px);
  line-height:1.06;
  letter-spacing:-.015em;
  color:var(--ds-warm);
}
.ds-head__note{
  margin-top:12px;
  max-width:58ch;
  font-size:14.5px;
  color:var(--ds-moss);
}
.ds-annotation{
  display:inline-block;
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ds-moss);
  writing-mode:vertical-rl;
  text-orientation:mixed;
}
.ds-annotation--tilt{
  writing-mode:horizontal-tb;
  transform:rotate(-6deg);
  letter-spacing:.16em;
}
.ds-stat{display:block}
.ds-stat__value{
  display:inline-block;
  font-family:var(--ds-font-mono);
  font-weight:600;
  font-size:clamp(38px,7vw,72px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ds-cyan);
}
.ds-stat__unit{
  margin-left:6px;
  font-family:var(--ds-font-mono);
  font-size:15px;
  color:var(--ds-moss);
}
.ds-stat__label{
  display:block;
  margin-top:10px;
  font-size:13px;
  letter-spacing:.05em;
  color:var(--ds-moss);
}
.ds-term{border-bottom:1px solid var(--ds-cyan);padding-bottom:1px}

/* ---------- 7. 面板 / 说明牌 / 标签 ---------- */
.ds-panel{
  position:relative;
  background:var(--ds-panel);
  color:var(--ds-warm);
  padding:clamp(20px,3vw,40px);
  clip-path:polygon(0 0,calc(100% - var(--ds-cut)) 0,100% var(--ds-cut),100% 100%,var(--ds-cut) 100%,0 calc(100% - var(--ds-cut)));
  filter:drop-shadow(0 18px 40px rgba(6,18,15,.55));
  transition:transform .2s ease,filter .2s ease;
}
.ds-panel:hover{transform:translateY(-4px);filter:drop-shadow(0 26px 52px rgba(6,18,15,.7))}
.ds-panel--light{background:var(--ds-warm);color:var(--ds-ink)}
.ds-panel--paper{background:var(--ds-paper);color:var(--ds-ink)}
.ds-panel--deep{background:var(--ds-deep)}
.ds-panel--flat{filter:drop-shadow(0 10px 24px rgba(6,18,15,.42))}
.ds-panel--flat:hover{transform:none;filter:drop-shadow(0 10px 24px rgba(6,18,15,.42))}
.ds-panel--light .ds-head__title,.ds-panel--paper .ds-head__title{color:var(--ds-ink)}
.ds-panel--light .ds-stat__value,.ds-panel--paper .ds-stat__value{color:var(--ds-teal)}

.ds-plate{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 11px;
  background:var(--ds-paper);
  color:var(--ds-ink);
  font-family:var(--ds-font-mono);
  font-size:12px;
  letter-spacing:.06em;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
}
.ds-tag{
  display:inline-block;
  padding:4px 11px;
  border:1px solid var(--ds-teal);
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ds-moss);
}
.ds-tag--cyan{border-color:var(--ds-cyan);color:var(--ds-cyan)}
.ds-tag--orange{border-color:var(--ds-orange);color:var(--ds-orange)}
.ds-tag--yellow{border-color:var(--ds-yellow);color:var(--ds-yellow)}

/* ---------- 8. 面包屑 / 正文 ---------- */
.ds-breadcrumb{margin-bottom:22px}
.ds-breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  gap:4px 0;
  font-family:var(--ds-font-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--ds-moss);
}
.ds-breadcrumb__item{display:flex;align-items:center}
.ds-breadcrumb__item + .ds-breadcrumb__item::before{content:"/";margin:0 10px;color:var(--ds-teal)}
.ds-breadcrumb__item[aria-current="page"]{color:var(--ds-warm)}
.ds-breadcrumb__link{color:var(--ds-moss);transition:color .16s ease}
.ds-breadcrumb__link:hover{color:var(--ds-cyan)}

.ds-prose{max-width:70ch;font-size:17px;line-height:1.7}
.ds-prose p{margin-bottom:1.1em}
.ds-prose h2{
  font-size:clamp(22px,3vw,30px);
  margin:1.8em 0 .6em;
  padding-left:14px;
  border-left:3px solid var(--ds-cyan);
}
.ds-prose h3{font-size:19px;margin:1.5em 0 .5em;color:var(--ds-cyan)}
.ds-prose ul{list-style:none;margin:0 0 1.1em;padding:0}
.ds-prose li{position:relative;padding-left:20px;margin-bottom:.5em}
.ds-prose li::before{content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;background:var(--ds-orange);transform:rotate(45deg)}
.ds-prose a{color:var(--ds-cyan);border-bottom:1px solid var(--ds-cyan)}

/* ---------- 9. 图片容器 ---------- */
.ds-media{
  position:relative;
  display:block;
  overflow:hidden;
  background:var(--ds-deep);
  clip-path:polygon(0 0,calc(100% - var(--ds-cut)) 0,100% var(--ds-cut),100% 100%,var(--ds-cut) 100%,0 calc(100% - var(--ds-cut)));
}
.ds-media img,
.ds-media__img{
  width:100%;height:100%;
  object-fit:cover;
  filter:contrast(1.08) saturate(.92) brightness(.9);
}
.ds-media--16x9{aspect-ratio:16/9}
.ds-media--4x3{aspect-ratio:4/3}
.ds-media--1x1{aspect-ratio:1/1}
.ds-media--21x9{aspect-ratio:21/9}
.ds-media--ghost{
  background-image:
    repeating-linear-gradient(135deg,rgba(53,242,208,.07) 0 10px,transparent 10px 20px),
    linear-gradient(160deg,var(--ds-panel),var(--ds-deep));
  aspect-ratio:16/9;
}
.ds-media__label{
  position:absolute;
  left:12px;bottom:12px;
  padding:5px 10px;
  background:var(--ds-paper);
  color:var(--ds-ink);
  font-family:var(--ds-font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
}

/* ---------- 10. 横向卡片带 ---------- */
.ds-band{
  position:relative;
  display:flex;
  gap:16px;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  scrollbar-width:thin;
  scrollbar-color:var(--ds-teal) transparent;
  -webkit-overflow-scrolling:touch;
}
.ds-band::-webkit-scrollbar{height:6px}
.ds-band::-webkit-scrollbar-track{background:rgba(14,95,85,.25);border-radius:99px}
.ds-band::-webkit-scrollbar-thumb{background:var(--ds-teal);border-radius:99px}
.ds-band:focus-visible{outline:2px solid var(--ds-cyan);outline-offset:4px}
.ds-band__item{flex:0 0 clamp(240px,72vw,320px);scroll-snap-align:start}
.ds-band__status{
  display:inline-block;
  font-family:var(--ds-font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--ds-moss);
}

/* ---------- 11. 页脚 ---------- */
.ds-footer{
  position:relative;
  margin-top:clamp(48px,8vw,120px);
  padding:clamp(40px,6vw,80px) 0 28px;
  background:var(--ds-deep);
  color:var(--ds-warm);
  border-top:1px solid var(--ds-teal);
}
.ds-footer__track{
  position:absolute;
  top:-1px;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--ds-cyan),var(--ds-orange) 46%,transparent 80%);
  transform:skewY(-.6deg);
  transform-origin:left;
  opacity:.9;
}
.ds-footer__grid{
  display:grid;
  grid-template-columns:1.5fr repeat(3,1fr);
  gap:clamp(24px,3.4vw,52px);
}
.ds-brand--foot{
  background:transparent;
  border-color:transparent;
  backdrop-filter:none;
  padding:0;
}
.ds-brand--foot:hover{border-color:transparent}
.ds-brand--foot:hover .ds-brand__name{color:var(--ds-cyan)}
.ds-footer__tag{
  margin-top:14px;
  max-width:32ch;
  font-size:14px;
  color:var(--ds-moss);
}
.ds-footer__contact{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:7px;
  font-size:13.5px;
  color:var(--ds-moss);
}
.ds-footer__title{
  margin-bottom:14px;
  font-family:var(--ds-font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ds-cyan);
}
.ds-footer__list li + li{margin-top:9px}
.ds-footer__link{
  font-size:14.5px;
  color:rgba(245,241,230,.76);
  transition:color .16s ease;
}
.ds-footer__link:hover{
  color:var(--ds-cyan);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.ds-footer__note{
  margin-top:clamp(28px,4vw,48px);
  max-width:60ch;
  padding-left:14px;
  border-left:2px solid var(--ds-teal);
  font-size:13.5px;
  line-height:1.75;
  color:var(--ds-moss);
}
.ds-footer__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  margin-top:clamp(24px,3.4vw,40px);
  padding-top:20px;
  border-top:1px solid rgba(14,95,85,.9);
  font-size:12.5px;
  color:var(--ds-moss);
}
.ds-footer__copy{font-family:var(--ds-font-mono);letter-spacing:.04em}
.ds-footer__legal-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.ds-footer__legal-link{color:var(--ds-moss);transition:color .16s ease}
.ds-footer__legal-link:hover{color:var(--ds-cyan)}

/* ---------- 12. 显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease;
}
[data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1199px){
  .ds-utility{display:none}
}
@media (max-width:1023px){
  .ds-main{padding-top:104px}
  .ds-nav-toggle{display:inline-flex}
  .ds-nav{
    position:fixed;
    top:84px;left:var(--ds-gutter);right:var(--ds-gutter);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px;
    border-radius:22px;
    clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px));
    max-height:calc(100vh - 140px);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  }
  .ds-nav[data-open="true"]{opacity:1;visibility:visible;transform:none}
  .ds-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .ds-nav__link{padding:12px 14px;border-radius:12px;font-size:16px}
  .ds-nav__link[aria-current="page"]{background:rgba(53,242,208,.1)}
  .ds-nav__link[aria-current="page"]::after{
    left:auto;right:16px;top:50%;bottom:auto;
    transform:translateY(-50%);
  }
  .ds-nav__aside{
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    margin:12px 0 0;
    padding:14px 0 0;
    border-left:0;
    border-top:1px solid rgba(126,154,146,.32);
  }
  .ds-utility{display:flex;flex-wrap:wrap;gap:6px}
  .ds-utility__link{font-size:13.5px;background:rgba(53,242,208,.07);padding:7px 12px}
  .ds-nav__cta{width:100%}
  .ds-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .ds-col--3,.ds-col--4,.ds-col--5,.ds-col--6,.ds-col--7,.ds-col--8,.ds-col--9{grid-column:span 12}
}
@media (max-width:640px){
  body{font-size:16px}
  .ds-header{top:10px}
  .ds-header[data-condensed="true"]{top:6px}
  .ds-main{padding-top:96px}
  .ds-nav{top:74px}
  .ds-brand__sub{display:none}
  .ds-footer__grid{grid-template-columns:1fr;gap:32px}
  .ds-footer__meta{justify-content:flex-start}
  .ds-annotation{writing-mode:horizontal-tb}
}

/* ---------- 14. 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;
  }
  .ds-progress__bar{transition:none}
  [data-reveal]{opacity:1;transform:none}
  .ds-panel:hover{transform:none}
  .ds-btn:hover{transform:none}
}