/* ===========================================================
   华体汇赛事 · 共享样式 /assets/site.css
   深藏蓝纸底 + 印刷叠层 + 数据仪表盘语义色
   =========================================================== */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,dl,dd,dt,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0}

/* ---------- 2. 令牌 ---------- */
:root{
  --ink-900:#0A1726;
  --ink-800:#0E1E30;
  --panel:#12263A;
  --line:#1C3450;
  --cyan:#25E3C4;
  --orange:#FF7A2F;
  --violet:#7C6BFF;
  --danger:#FF4D6D;
  --text:#E7EEF5;
  --muted:#95A9BC;
  --paper:#F4F7FA;

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

  --wrap:1200px;
  --gut:clamp(16px,4vw,34px);
  --r:2px;
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ---------- 3. 底色与中文排版 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(120% 55% at 10% -10%, rgba(37,227,196,.10), transparent 58%),
    radial-gradient(90% 50% at 94% 2%, rgba(124,107,255,.10), transparent 62%),
    repeating-linear-gradient(90deg, rgba(28,52,80,.30) 0 1px, transparent 1px 92px);
  background-repeat:no-repeat,no-repeat,repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:800;line-height:1.24;letter-spacing:-.01em;color:var(--text)}
h1{font-size:clamp(28px,7vw,56px);line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(21px,4vw,32px)}
h3{font-size:clamp(17px,2.6vw,22px)}
h4{font-size:17px;font-weight:700}
h5{font-size:15px;font-weight:700}
p{font-size:16px}
strong,b{font-weight:700;color:#fff}
.mono,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.num{font-weight:700;letter-spacing:-.01em}
.link,.prose a{color:var(--cyan);border-bottom:1px solid rgba(37,227,196,.35);transition:border-color .18s var(--ease),color .18s var(--ease)}
.link:hover,.prose a:hover{border-bottom-color:var(--cyan)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:1px}
::selection{background:rgba(37,227,196,.3);color:#fff}

/* ---------- 4. 容器与网格 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.grid{display:grid;gap:clamp(14px,2.5vw,24px)}
.grid--split{grid-template-columns:minmax(0,1fr)}
.grid--4-8{grid-template-columns:minmax(0,1fr)}
.grid--cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(10px,2vw,16px)}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stack>*+*{margin-top:clamp(18px,3.2vw,28px)}
.stack--sm>*+*{margin-top:12px}
@media (min-width:861px){
  .grid--split{grid-template-columns:5fr 7fr}
  .grid--4-8{grid-template-columns:4fr 8fr}
  .grid--cards{grid-template-columns:repeat(4,minmax(0,1fr))}
}

/* ---------- 5. 面板 / 标签 / 按钮 ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:clamp(16px,3vw,26px);
}
.panel::after{
  content:"";position:absolute;top:-1px;right:-1px;width:14px;height:14px;
  border-top:1px solid var(--cyan);border-right:1px solid var(--cyan);opacity:.75;pointer-events:none;
}
.panel--flat{background:rgba(10,23,38,.55)}
.panel--paper{background:var(--paper);border-color:#C7D6E4;color:#0A1726}
.panel--paper h2,.panel--paper h3,.panel--paper h4,.panel--paper .panel__title{color:#0A1726}
.panel--paper::after{border-color:var(--orange)}
.panel__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;
  margin-bottom:14px;padding-bottom:10px;border-bottom:1px dashed var(--line);
}
.panel__title{font-family:var(--font-head);font-size:16px;font-weight:700}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:var(--r);
  font-family:var(--font-mono);font-size:12px;line-height:1.5;letter-spacing:.04em;
  color:var(--muted);background:rgba(28,52,80,.5);border:1px solid var(--line);white-space:nowrap;
}
.tag--cyan{color:var(--cyan);border-color:rgba(37,227,196,.45);background:rgba(37,227,196,.08)}
.tag--warm{color:var(--orange);border-color:rgba(255,122,47,.45);background:rgba(255,122,47,.08)}
.tag--violet{color:var(--violet);border-color:rgba(124,107,255,.45);background:rgba(124,107,255,.08)}
.tag--danger{color:var(--danger);border-color:rgba(255,77,109,.5);background:rgba(255,77,109,.1)}
.tag--paper{color:#0A1726;background:var(--paper);border-color:var(--paper);font-weight:700}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:var(--r);
  border:1px solid var(--line);background:rgba(18,38,58,.9);color:var(--text);
  font-size:15px;font-weight:700;line-height:1;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:#04191A}
.btn--primary:hover{background:#5BF0DA;border-color:#5BF0DA;color:#04191A}
.btn--warm{background:transparent;border-color:rgba(255,122,47,.55);color:var(--orange)}
.btn--warm:hover{background:rgba(255,122,47,.12);border-color:var(--orange);color:var(--orange)}
.btn--sm{padding:8px 12px;font-size:13px}

/* ---------- 6. 章节编号体系 ---------- */
.section{padding-block:clamp(30px,6vw,64px)}
.section-head{display:grid;gap:10px;margin-bottom:clamp(18px,3.6vw,32px)}
.section-num{
  font-family:var(--font-mono);font-weight:800;line-height:.85;letter-spacing:-.03em;
  font-size:clamp(48px,12vw,110px);color:rgba(37,227,196,.10);
  -webkit-text-stroke:1px rgba(37,227,196,.55);
}
.section-title{font-size:clamp(20px,3.6vw,30px)}
.section-sub{font-family:var(--font-mono);font-size:13px;color:var(--muted);letter-spacing:.04em}

/* ---------- 7. 数据卡 ---------- */
.datacard{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:6px 12px;
  padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--ink-800);
}
.datacard__label{font-size:13px;color:var(--muted)}
.datacard__value{font-family:var(--font-mono);font-weight:700;font-size:26px;line-height:1.05;text-align:right;color:var(--cyan)}
.datacard__meta{grid-column:1 / -1;font-size:12px;color:var(--muted);border-top:1px dashed var(--line);padding-top:6px}
.datacard--warm .datacard__value{color:var(--orange)}
.datacard--violet .datacard__value{color:var(--violet)}
.datacard--danger .datacard__value{color:var(--danger)}
.datacard--plain .datacard__value{color:var(--text)}

/* ---------- 8. 面包屑 / 正文 / 图像 ---------- */
.crumbs{font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:#2E4A68}
.crumbs a{color:var(--muted);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--cyan)}
.crumbs [aria-current="page"]{color:var(--text)}

.lede{font-size:clamp(16px,2.4vw,19px);line-height:1.72;color:#C6D5E3;max-width:64ch}
.prose{max-width:72ch}
.prose>*+*{margin-top:20px}
.prose h2{margin-top:34px}
.prose h3{margin-top:26px}
.prose li{position:relative;padding-left:18px;margin-top:8px}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--cyan)}
.note{font-size:13px;line-height:1.65;color:var(--muted);max-width:70ch}
.rule{height:1px;background:var(--line);margin-block:clamp(18px,3vw,30px)}

.figure{
  position:relative;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);
  background-color:var(--ink-800);
  background-image:
    linear-gradient(140deg, rgba(37,227,196,.14), rgba(124,107,255,.12) 46%, rgba(255,122,47,.12)),
    repeating-linear-gradient(0deg, rgba(28,52,80,.85) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(28,52,80,.85) 0 1px, transparent 1px 34px);
}
.figure img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) contrast(1.06)}
.figure--wide{aspect-ratio:21/9}
.figure--map{aspect-ratio:4/3}
.figure--tall{aspect-ratio:3/4}
.figure--square{aspect-ratio:1/1}
.figure__cap{
  position:absolute;left:0;bottom:0;right:0;padding:9px 12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.03em;color:#D8E4EF;
  background:linear-gradient(180deg, rgba(10,23,38,0), rgba(10,23,38,.88));
}

/* ---------- 9. 显现协议 ---------- */
[data-reveal]{
  opacity:0;transform:translate3d(0,12px,0);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 10. 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,23,38,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.skip-link{
  position:absolute;left:10px;top:-120px;z-index:120;
  padding:10px 16px;border-radius:var(--r);
  background:var(--cyan);color:#04191A;font-weight:700;font-size:14px;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:10px}

.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;overflow:hidden}
.progress::after{
  content:"";display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--cyan),var(--violet) 62%,var(--orange));
  transform:scaleX(var(--progress,0));transform-origin:0 50%;
  transition:transform .18s linear;
}

.header-utility{
  background:linear-gradient(180deg, rgba(18,38,58,.92), rgba(10,23,38,.62));
  border-bottom:1px solid rgba(28,52,80,.75);
}
.header-utility__inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  min-height:56px;padding-block:8px;
  transition:min-height .22s var(--ease),padding .22s var(--ease);
}
.site-header.is-condensed .header-utility__inner{min-height:46px;padding-block:5px}

.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand__mark{
  width:30px;height:30px;flex:none;border-radius:1px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{font-family:var(--font-head);font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.35;color:var(--text)}
.brand__sub{
  font-family:var(--font-mono);font-size:11.5px;line-height:1.4;color:var(--muted);
  letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:opacity .22s var(--ease);
}
.site-header.is-condensed .brand__sub{opacity:.6}
.brand--footer .brand__name{font-size:19px}

.header-utility__meta{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:12.5px;color:var(--muted);
}
.header-utility__node{
  padding:3px 9px;border-radius:var(--r);white-space:nowrap;
  color:var(--cyan);background:rgba(37,227,196,.08);border:1px solid rgba(37,227,196,.35);
}
.header-utility__channel{white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.header-utility__channel::before{content:"";width:6px;height:6px;background:var(--orange);border-radius:50%;flex:none}

.header-bar{position:relative;border-top:1px solid rgba(28,52,80,.55)}
.header-bar__inner{display:flex;align-items:center;gap:12px;min-height:52px}

.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  padding:8px 12px;border-radius:var(--r);border:1px solid var(--line);
  background:rgba(18,38,58,.9);color:var(--text);font-size:13px;font-weight:700;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__icon{display:grid;gap:3px;width:16px}
.nav-toggle__icon i{display:block;height:1.5px;background:currentColor;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle__text{white-space:nowrap}
.nav-toggle[aria-expanded="true"]{color:var(--cyan);border-color:rgba(37,227,196,.45);background:rgba(37,227,196,.08)}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon i:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon i:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

.primary-nav{flex:1;min-width:0}
.primary-nav__list{
  counter-reset:navidx;
  display:flex;align-items:center;gap:4px;min-height:52px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.primary-nav__list::-webkit-scrollbar{display:none}
.primary-nav__link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--r);border:1px solid transparent;
  font-size:15px;font-weight:500;color:var(--muted);white-space:nowrap;
  scroll-snap-align:start;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.primary-nav__link:hover{color:var(--text);background:rgba(28,52,80,.75);border-color:var(--line)}
.primary-nav__link[aria-current="page"]{
  color:var(--cyan);background:rgba(37,227,196,.08);border-color:rgba(37,227,196,.35);
}
.primary-nav__link[aria-current="page"]::after{content:"";width:5px;height:5px;flex:none;background:var(--cyan);border-radius:50%}

@media (min-width:861px){
  .nav-toggle{display:none}
  .primary-nav__list{overflow:visible;flex-wrap:wrap;height:auto}
}
@media (max-width:860px){
  .primary-nav[data-open]{
    position:absolute;left:0;right:0;top:100%;z-index:5;
    max-height:min(72vh,560px);overflow-y:auto;
    padding:14px var(--gut) 20px;
    background:rgba(18,38,58,.98);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(0,0,0,.5);
    animation:nav-drop .22s var(--ease) both;
  }
  .primary-nav[data-open] .primary-nav__list{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;
    overflow:visible;height:auto;
  }
  .primary-nav[data-open] .primary-nav__link{
    width:100%;justify-content:flex-start;padding:12px;
    background:rgba(10,23,38,.62);border-color:var(--line);
  }
  .primary-nav[data-open] .primary-nav__link::before{
    content:counter(navidx,decimal-leading-zero);counter-increment:navidx;
    font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--orange);
  }
}
@keyframes nav-drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- 11. 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(40px,8vw,90px);
  background:var(--ink-800);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet) 46%,var(--orange) 78%,var(--danger));
}
.footer-top{display:grid;gap:clamp(24px,4vw,44px);padding-block:clamp(28px,5vw,54px)}
@media (min-width:861px){.footer-top{grid-template-columns:4fr 8fr}}

.footer-brand{min-width:0}
.footer-contact{margin-top:18px;display:grid;gap:10px}
.footer-contact__row{
  display:grid;grid-template-columns:76px minmax(0,1fr);gap:10px;align-items:baseline;
  padding-bottom:8px;border-bottom:1px dashed rgba(28,52,80,.9);
}
.footer-contact dt{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted)}
.footer-contact dd{font-size:14px;line-height:1.6;color:var(--text);word-break:break-word}

.footer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,3vw,30px);counter-reset:fcol}
@media (min-width:861px){.footer-cols{grid-template-columns:repeat(4,minmax(0,1fr))}}
.footer-col{min-width:0}
.footer-col__title{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  font-family:var(--font-head);font-size:15px;font-weight:700;color:var(--text);
  padding-bottom:8px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.footer-col__title::after{
  content:counter(fcol,decimal-leading-zero);counter-increment:fcol;
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--orange);
}
.footer-index{display:grid;gap:7px}
.footer-index__item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);line-height:1.6}
.footer-index__item::before{content:"";width:10px;height:1px;flex:none;background:var(--line)}

.footer-routes{border-block:1px solid var(--line);background:rgba(10,23,38,.55)}
.footer-routes__inner{padding-block:14px}
.footer-routes__list{display:flex;flex-wrap:wrap;gap:8px}
.footer-routes__link{
  display:inline-flex;align-items:center;padding:7px 12px;border-radius:var(--r);
  border:1px solid var(--line);background:rgba(18,38,58,.7);
  font-size:13px;color:var(--text);
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.footer-routes__link:hover{border-color:var(--cyan);color:var(--cyan)}
.footer-routes__link[aria-current="page"]{color:var(--cyan);border-color:rgba(37,227,196,.4);background:rgba(37,227,196,.08)}

.footer-legal{display:grid;gap:10px;padding-block:22px 6px}
.footer-legal__icp{font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.footer-legal__sync{font-size:13px;line-height:1.7;color:var(--muted);max-width:78ch}
.footer-copy{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:16px;padding-block:16px 26px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.03em;color:#7C90A4;
}

/* ---------- 12. 移动端底部标签栏 ---------- */
.dock{display:none}
@media (max-width:860px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .dock{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(12,26,42,.97);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
  }
  .dock__link{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    min-height:58px;padding:8px 4px;color:var(--muted);
    font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;
    transition:color .18s var(--ease);
  }
  .dock__link svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  .dock__link[aria-current="page"]{color:var(--cyan)}
  .dock__link[aria-current="page"]::after{
    content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--cyan);
  }
  .dock__label{line-height:1.4}
}

/* ---------- 13. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important}
  .progress::after{transition:none}
}