/* ==========================================================================
   乐宝体育赛事 · 共享样式 /assets/site.css
   赛场档案系统：深蓝底 + 活力橙 + 荧光绿 + 宁夏沙色
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#0B1B33;
  --night:#12294A;
  --orange:#FF6A1A;
  --lime:#B8FF3D;
  --sand:#D9B98C;
  --paper:#F7F4EC;
  --black:#0A0A0A;
  --muted:#8FA3BF;
  --mist:#E6EEF8;
  --alert:#E5484D;

  --line:rgba(217,185,140,.22);
  --line-strong:rgba(217,185,140,.46);
  --text-soft:#C9D7E9;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-body:"Noto Sans SC","Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:1240px;
  --gutter:clamp(18px,4vw,44px);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sheet-shadow:6px 6px 0 -1px rgba(217,185,140,.16), 12px 12px 0 -2px rgba(217,185,140,.08);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
address{font-style:normal}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
::selection{background:var(--lime);color:var(--ink)}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.72;
  color:var(--paper);
  background:
    radial-gradient(120% 78% at 6% -12%, rgba(255,106,26,.15), transparent 56%),
    radial-gradient(88% 58% at 98% 0%, rgba(184,255,61,.08), transparent 62%),
    var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
#main-content{display:block;scroll-margin-top:24px}
p{max-width:44ch}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.muted{color:var(--muted)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.14;letter-spacing:-.01em}

/* ---------- 4. 跳转与滚动进度 ---------- */
.skip-link{
  position:absolute;left:var(--gutter);top:-80px;z-index:400;
  padding:12px 20px;background:var(--lime);color:var(--ink);
  font-weight:800;font-size:14px;border-radius:2px;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:300;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--orange) 0%,var(--lime) 100%);
  box-shadow:0 0 14px rgba(184,255,61,.4);
  pointer-events:none;
}

/* ---------- 5. 头部 ---------- */
.site-header{
  position:relative;
  z-index:80;
  background:linear-gradient(180deg,#0d2140 0%,#0B1B33 100%);
  border-bottom:1px solid var(--line-strong);
}
.site-header::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(118deg,rgba(217,185,140,.055) 0 2px,transparent 2px 16px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;
  background:linear-gradient(90deg,var(--orange) 0 16%,transparent 16% 23%,var(--lime) 23% 29%,transparent 29% 100%);
  opacity:.9;
}
.header-inner{
  position:relative;
  max-width:var(--shell);
  margin:0 auto;
  padding:14px var(--gutter);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  grid-template-areas:"brand status nav";
  align-items:center;
  column-gap:clamp(14px,2.6vw,34px);
}

/* 品牌档案牌 */
.brand-lockup{
  grid-area:brand;
  display:flex;align-items:center;gap:13px;
}
.brand-badge{
  display:grid;place-items:center;
  width:44px;height:44px;flex:none;
  background:var(--orange);color:var(--ink);
  font-family:var(--font-display);font-weight:900;font-size:22px;line-height:1;
  border:1px solid #ff8547;
  box-shadow:4px 4px 0 rgba(217,185,140,.55);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.brand-lockup:hover .brand-badge,
.brand-lockup:focus-visible .brand-badge{
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 rgba(217,185,140,.68);
}
.brand-words{display:flex;flex-direction:column;line-height:1.1}
.brand-name{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(17px,2vw,20px);letter-spacing:.02em;color:var(--paper);
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--font-mono);font-size:10.5px;font-weight:600;
  letter-spacing:.24em;color:var(--sand);margin-top:5px;
}

/* 中部状态条 */
.status-strip{
  grid-area:status;
  justify-self:center;
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 13px;
  border:1px solid var(--line);
  background:rgba(18,41,74,.62);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--muted);white-space:nowrap;max-width:none;
}
.status-dot{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--lime);
  animation:breathe 2.8s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(184,255,61,.55)}
  50%{box-shadow:0 0 0 6px rgba(184,255,61,0)}
}

/* 移动端按钮 */
.nav-toggle{
  grid-area:toggle;
  display:none;
  align-items:center;gap:9px;
  padding:9px 13px;
  border:1px solid var(--line-strong);
  background:rgba(18,41,74,.72);
  color:var(--paper);cursor:pointer;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle-lines{display:grid;gap:4px;width:18px;flex:none}
.nav-toggle-lines span{
  display:block;height:2px;width:100%;background:var(--lime);
  transition:transform .2s var(--ease),opacity .16s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 主导航 */
.site-nav{grid-area:nav;justify-self:end}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;
  padding:11px 11px 13px;
  font-size:14px;font-weight:600;letter-spacing:.02em;
  color:var(--muted);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:6px;height:2px;
  background:var(--orange);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--paper)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--lime);font-weight:700}
.nav-link[aria-current="page"]::after{background:var(--lime);transform:scaleX(1)}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:auto;
  overflow:hidden;
  background:linear-gradient(180deg,#0d2140 0%,#071427 100%);
  border-top:1px solid var(--line-strong);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;pointer-events:none;
  background:linear-gradient(90deg,var(--orange) 0 20%,var(--lime) 20% 27%,rgba(217,185,140,.5) 27% 100%);
}
.site-footer::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:360px;height:360px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,106,26,.16),transparent 68%);
}
.footer-inner{
  position:relative;z-index:1;
  max-width:var(--shell);margin:0 auto;
  padding:clamp(42px,6vw,74px) var(--gutter) clamp(26px,4vw,40px);
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,2.1fr) minmax(0,1.2fr);
  gap:clamp(26px,4vw,54px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.footer-wordmark{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(20px,2.4vw,26px);line-height:1.1;color:var(--paper);
  letter-spacing:.02em;max-width:none;
}
.footer-tagline{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  color:var(--sand);max-width:none;
}
.footer-summary{font-size:14.5px;line-height:1.75;color:var(--muted);max-width:34ch}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,30px);
}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:11.5px;font-weight:700;letter-spacing:.16em;
  color:var(--lime);margin-bottom:14px;
  padding-bottom:8px;border-bottom:1px solid var(--line);
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{
  display:inline-block;
  font-size:14.5px;color:var(--text-soft);
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-links a:hover{color:var(--orange);transform:translateX(3px)}
.footer-contact{display:block}
.footer-meta{display:flex;flex-direction:column;gap:10px}
.footer-meta li{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline}
.footer-meta-key{
  flex:none;min-width:34px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  color:var(--sand);
}
.footer-meta-val{font-size:13px;line-height:1.55;color:var(--muted);word-break:break-word}
.footer-legal{
  position:relative;z-index:1;
  max-width:var(--shell);margin:0 auto;
  padding:16px var(--gutter) 26px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-copy,.footer-icp{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;
  color:var(--muted);max-width:none;
}
.footer-icp{color:var(--sand)}

/* ---------- 7. 容器与区段 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(38px,5.5vw,72px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:clamp(22px,3vw,36px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;
  letter-spacing:.18em;color:var(--sand);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--orange);flex:none;
}
.section-title{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(24px,3.4vw,40px);line-height:1.12;
  color:var(--paper);
}
.lead{
  font-size:clamp(15px,1.6vw,17.5px);line-height:1.78;
  color:var(--text-soft);max-width:44ch;
}

/* ---------- 8. 网格 ---------- */
.grid{display:grid;gap:clamp(14px,2.2vw,26px)}
.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))}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 21px;
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;border-radius:2px;
  cursor:pointer;text-align:center;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),
             background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn-primary{
  background:var(--orange);color:var(--ink);
  box-shadow:4px 4px 0 rgba(217,185,140,.4);
}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(217,185,140,.52)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 rgba(217,185,140,.4)}
.btn-ghost{
  background:rgba(18,41,74,.5);color:var(--paper);
  border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{padding:9px 15px;font-size:13px}

/* ---------- 10. 面包屑 ---------- */
.breadcrumb{
  padding-block:16px 0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb-item{display:inline-flex;align-items:center;gap:6px}
.breadcrumb-item + .breadcrumb-item::before{
  content:"/";color:rgba(217,185,140,.55);
}
.breadcrumb a{color:var(--sand);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- 11. 卡片与纸张叠层 ---------- */
.card{
  position:relative;
  background:linear-gradient(180deg,var(--night) 0%,#0e2340 100%);
  border:1px solid var(--line);
  border-radius:2px;
  padding:clamp(17px,2.3vw,26px);
  box-shadow:var(--sheet-shadow);
}
.card-paper{
  background:var(--paper);
  color:var(--black);
  border-color:rgba(10,10,10,.82);
}
.card-paper h2,.card-paper h3{color:var(--black)}
.card-paper p{color:#2a2a2a}
.sheet{position:relative;isolation:isolate}
.sheet::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  transform:translate(8px,8px);
  border:1px solid var(--line-strong);
  background:rgba(217,185,140,.06);
}

/* ---------- 12. 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;
  color:var(--sand);
  border:1px solid var(--line-strong);
  background:rgba(217,185,140,.08);
  white-space:nowrap;
}
.tag-orange{border-color:rgba(255,106,26,.55);color:var(--orange);background:rgba(255,106,26,.1)}
.tag-lime{border-color:rgba(184,255,61,.5);color:var(--lime);background:rgba(184,255,61,.1)}
.tag-sand{border-color:rgba(217,185,140,.45);color:var(--sand);background:rgba(217,185,140,.1)}
.tag-alert{border-color:rgba(229,72,77,.6);color:#ff8388;background:rgba(229,72,77,.12)}

/* ---------- 13. 图片容器基础规则 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:2px;
  aspect-ratio:16 / 10;
  background:
    linear-gradient(135deg,var(--night) 0%,#0a1830 58%,#15304f 100%);
}
.media-frame::after{
  content:"";position:absolute;right:-24%;bottom:-34%;width:66%;aspect-ratio:1;
  background:radial-gradient(circle,rgba(255,106,26,.22),transparent 70%);
  pointer-events:none;
}
.media-frame img,
.media-frame svg,
.media-frame video{
  display:block;width:100%;height:100%;
  object-fit:cover;
}
.media-frame-tall{aspect-ratio:4 / 5}
.media-frame-wide{aspect-ratio:21 / 9}
.media-frame-square{aspect-ratio:1 / 1}
.media-caption,
.media-frame figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:1;
  padding:10px 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--paper);
  background:linear-gradient(180deg,rgba(11,27,51,0) 0%,rgba(11,27,51,.94) 100%);
}

/* ---------- 14. 筛选标签组 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:8px;padding:10px 0;
  background:linear-gradient(180deg,rgba(11,27,51,.96),rgba(11,27,51,.82));
}
.filter-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;
  font-family:var(--font-body);font-size:13px;font-weight:600;
  color:var(--muted);
  background:rgba(18,41,74,.66);
  border:1px solid var(--line);border-radius:2px;
  cursor:pointer;
  transition:color .18s var(--ease),background .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.filter-chip:hover{color:var(--paper);border-color:var(--line-strong);transform:translateY(-1px)}
.filter-chip[aria-pressed="true"]{
  color:var(--ink);background:var(--lime);border-color:var(--lime);font-weight:700;
}

/* ---------- 15. 显现动效 ---------- */
[data-reveal]{transition:opacity .55s var(--ease),transform .55s var(--ease)}
html.reveal-ready [data-reveal]{opacity:0;transform:translateY(16px)}
html.reveal-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1080px){
  .nav-link{padding:10px 8px 12px;font-size:13px}
  .status-strip{font-size:10.5px;padding:5px 10px;letter-spacing:.04em}
  .brand-sub{letter-spacing:.18em}
}

@media (max-width:900px){
  .header-inner{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:
      "brand toggle"
      "nav nav"
      "status status";
    row-gap:12px;
  }
  .nav-toggle{display:inline-flex}
  .site-nav{
    display:none;
    justify-self:stretch;
    border-top:1px solid var(--line);
    padding-top:6px;
  }
  .site-nav[data-open="true"]{display:block;animation:nav-drop .2s var(--ease) both}
  @keyframes nav-drop{
    from{opacity:0;transform:translateY(-6px)}
    to{opacity:1;transform:none}
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:block;padding:14px 14px 14px 16px;
    border-bottom:1px solid rgba(217,185,140,.16);
    font-size:15px;
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{
    color:var(--lime);
    border-left:3px solid var(--lime);
    background:rgba(184,255,61,.07);
  }
  .status-strip{justify-self:start}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1 / -1}
  .footer-cols{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
}

@media (max-width:640px){
  .brand-badge{width:38px;height:38px;font-size:19px;box-shadow:3px 3px 0 rgba(217,185,140,.55)}
  .brand-sub{letter-spacing:.14em;font-size:9.5px}
  .nav-toggle-text{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head{align-items:flex-start}
  .lead{max-width:none}
}

/* ---------- 17. 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;
  }
  html.reveal-ready [data-reveal]{opacity:1;transform:none}
  .status-dot{animation:none;box-shadow:0 0 0 3px rgba(184,255,61,.2)}
}