/* ============================================================
   NG体育主站 / 共享层  ·  /assets/site.css
   夜场墨绿底 + 荧光青柠路径 + 等宽数据标签
   ============================================================ */

:root{
  --ink:#06231C;
  --ink-2:#0C3A2E;
  --ink-3:#041A14;
  --lime:#C6FF3D;
  --lime-dim:#8FCC1F;
  --orange:#FF7A2F;
  --red:#FF4D5E;
  --yellow:#FFD23F;
  --fog:#EAF4EE;
  --mute:#7E9C90;
  --glass:#9FFFE0;

  --line:rgba(159,255,224,.16);
  --line-hard:rgba(159,255,224,.30);
  --line-lime:rgba(198,255,61,.34);

  --rail:76px;
  --max:1280px;
  --gap:clamp(16px,2.4vw,32px);
  --cut:14px;

  --font-head:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,"Courier New",monospace;

  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  background:var(--ink);
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
body{
  margin:0;
  min-height:100vh;
  color:var(--fog);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.62;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg, rgba(159,255,224,.055) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(180deg, rgba(159,255,224,.035) 0 1px, transparent 1px 88px);
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{padding:0;margin:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:800;
  letter-spacing:-.022em;
  line-height:1.06;
}
p{max-width:68ch}

:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:1px;
}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;
  top:8px;left:50%;
  z-index:300;
  transform:translate(-50%,-180%);
  padding:11px 20px;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-head);
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  text-decoration:none;
  transition:transform .18s var(--ease);
}
.skip-link:focus-visible{transform:translate(-50%,0)}

/* ---------- 布局容器 / 栅格 ---------- */
.wrap{
  width:min(100% - clamp(24px,5vw,72px), var(--max));
  margin-inline:auto;
}
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--7-5{grid-template-columns:7fr 5fr}
.grid--8-4{grid-template-columns:8fr 4fr}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  background:rgba(6,35,28,.72);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
  border-bottom:1px solid var(--line);
  transition:background-color .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-solid{
  background:var(--ink);
  border-bottom-color:var(--line-lime);
  box-shadow:0 18px 48px -32px rgba(0,0,0,.95);
}
.progress-bar{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--lime),var(--lime-dim) 55%,var(--orange));
  transform:scaleX(0);
  transform-origin:0 50%;
  will-change:transform;
}

/* 侧边品牌轨道 */
.header-rail,
.footer-rail{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:14px 0;
  background:var(--ink-2);
  border-right:1px solid var(--line);
}
.footer-rail{
  background:rgba(6,35,28,.55);
  padding:22px 0;
}
.rail-dot{
  width:7px;height:7px;
  background:var(--lime);
  transform:skewX(-22deg);
  flex:0 0 auto;
}
.rail-word{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--mute);
}
.rail-line{
  flex:1 1 auto;
  width:1px;
  min-height:18px;
  background:linear-gradient(180deg,rgba(198,255,61,.6),rgba(198,255,61,0));
}
.rail-cap{
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:.14em;
  color:rgba(234,244,238,.34);
}

/* 头部主行 */
.header-main{
  display:flex;
  align-items:center;
  gap:clamp(14px,2.4vw,36px);
  min-height:66px;
  padding:10px clamp(14px,2.8vw,34px);
}

/* 字标 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand-mark{
  display:inline-block;
  padding:7px 10px 6px;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-head);
  font-size:20px;
  font-weight:900;
  line-height:1;
  letter-spacing:-.05em;
  clip-path:polygon(0 0,100% 0,100% 68%,calc(100% - 10px) 100%,0 100%);
  transition:background-color .18s var(--ease);
}
.brand:hover .brand-mark{background:var(--orange)}
.brand-rule{
  width:18px;height:2px;
  background:var(--lime);
  transform:skewX(-26deg);
}
.brand-name{
  font-family:var(--font-head);
  font-size:15px;
  font-weight:800;
  letter-spacing:.16em;
  white-space:nowrap;
  color:var(--fog);
}

/* 移动端按钮 */
.nav-toggle{
  display:none;
  margin-left:auto;
  align-items:center;
  gap:9px;
  padding:9px 12px;
  border:1px solid var(--line-hard);
  color:var(--fog);
  font-family:var(--font-head);
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle-bars{display:grid;gap:3px;width:16px}
.nav-toggle-bars span{
  display:block;height:2px;background:currentColor;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.6vw,24px);
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:clamp(4px,1.2vw,18px);
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 2px;
  color:rgba(234,244,238,.72);
  font-family:var(--font-head);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:3px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease),background-color .18s var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible{color:var(--fog)}
.nav-link:hover::after,
.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--lime)}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--orange);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 17px;
  background:var(--orange);
  color:#200A00;
  font-family:var(--font-head);
  font-size:13px;
  font-weight:800;
  letter-spacing:.14em;
  text-decoration:none;
  white-space:nowrap;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 13px) 100%,0 100%);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.nav-cta:hover{
  background:var(--lime);
  color:var(--ink);
  transform:translateY(-2px);
}

/* ---------- 页脚 ---------- */
.site-footer{
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  margin-top:clamp(48px,8vw,120px);
  border-top:1px solid var(--line-lime);
  background:linear-gradient(180deg,var(--ink-2),var(--ink) 78%);
}
.footer-main{
  display:grid;
  gap:clamp(26px,3.6vw,44px);
  padding:clamp(32px,4.6vw,64px) clamp(16px,4vw,56px) clamp(20px,3vw,30px);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.7fr);
  gap:clamp(24px,4vw,56px);
}
.footer-brand{
  display:grid;
  gap:14px;
  align-content:start;
  justify-items:start;
}
.footer-blurb{
  max-width:34ch;
  padding-left:12px;
  border-left:2px solid var(--orange);
  color:rgba(234,244,238,.72);
  font-size:15px;
  line-height:1.68;
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.footer-col{min-width:0}
.footer-col-title{
  margin-bottom:12px;
  padding-bottom:11px;
  border-bottom:1px solid var(--line);
  color:var(--fog);
  font-family:var(--font-head);
  font-size:12px;
  font-weight:800;
  letter-spacing:.2em;
  line-height:1;
}
.footer-list{display:grid;gap:1px}
.footer-list a{
  display:inline-block;
  padding:5px 0;
  border-bottom:1px solid transparent;
  color:rgba(234,244,238,.66);
  font-size:14px;
  text-decoration:none;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-list a:hover,
.footer-list a:focus-visible{
  color:var(--lime);
  border-bottom-color:var(--lime);
}
.footer-contact{
  display:grid;
  gap:10px;
  padding-top:clamp(18px,2.6vw,26px);
  border-top:1px solid var(--line);
}
.contact-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  max-width:none;
  font-size:14px;
}
.contact-key{
  min-width:46px;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--mute);
}
.contact-val{
  color:var(--fog);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  word-break:break-all;
}
.contact-val--soft{
  font-family:var(--font-body);
  font-size:14px;
  line-height:1.6;
  color:rgba(234,244,238,.72);
}
.footer-note{
  max-width:56ch;
  color:rgba(234,244,238,.48);
  font-size:13px;
  line-height:1.62;
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding-top:clamp(18px,2.6vw,26px);
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.6;
  color:rgba(234,244,238,.44);
}
.footer-base p{max-width:none}
.footer-legal{color:rgba(234,244,238,.44)}

/* ---------- 复制按钮 ---------- */
.copy-btn{
  padding:6px 11px;
  border:1px solid var(--line);
  background:rgba(159,255,224,.06);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  cursor:pointer;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.copy-btn:hover,
.copy-btn:focus-visible{
  border-color:var(--lime);
  background:rgba(198,255,61,.16);
}
.copy-btn[data-copied]{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 22px;
  border:1px solid var(--line-hard);
  background:transparent;
  color:var(--fog);
  font-family:var(--font-head);
  font-size:14px;
  font-weight:800;
  letter-spacing:.12em;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover,
.btn:focus-visible{
  border-color:var(--lime);
  color:var(--lime);
  transform:translateY(-2px);
}
.btn--primary{
  background:var(--orange);
  border-color:var(--orange);
  color:#200A00;
}
.btn--primary:hover,
.btn--primary:focus-visible{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
}
.btn--ghost{
  border-color:var(--line);
  color:rgba(234,244,238,.8);
}
.btn--ghost:hover,
.btn--ghost:focus-visible{
  background:rgba(159,255,224,.08);
}
.btn--slash{
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
  border:0;
  box-shadow:inset 0 0 0 1px var(--line-hard);
}
.btn--slash:hover,
.btn--slash:focus-visible{box-shadow:inset 0 0 0 1px var(--lime)}
.btn--sm{padding:9px 14px;font-size:12px;letter-spacing:.1em}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--ink-2);
  border:1px solid var(--line);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.card:hover,
.card:focus-within{
  border-color:var(--lime);
  transform:translateY(-2px);
}
.card--slant{
  border:0;
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
}
.card--slant:hover,
.card--slant:focus-within{box-shadow:inset 0 0 0 1px var(--lime)}
.card__index{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--lime);
}
.card__title{
  margin:10px 0 8px;
  font-family:var(--font-head);
  font-size:clamp(18px,1.6vw,22px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--fog);
}
.card__text{
  color:rgba(234,244,238,.74);
  font-size:15px;
  line-height:1.62;
}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border:1px solid var(--line);
  background:rgba(159,255,224,.06);
  color:rgba(234,244,238,.8);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  line-height:1;
}
.tag--lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.tag--orange{background:var(--orange);border-color:var(--orange);color:#200A00}
.tag--red{background:var(--red);border-color:var(--red);color:#2A0007}
.tag--yellow{background:var(--yellow);border-color:var(--yellow);color:#241A00}

/* ---------- 坐标索引标签 ---------- */
.index-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.22em;
  line-height:1;
  text-transform:uppercase;
}
.index-label::before{
  content:"";
  width:14px;height:2px;
  background:var(--lime);
}

/* ---------- 横向信息带 ---------- */
.band{
  position:relative;
  display:grid;
  gap:var(--gap);
  padding:clamp(18px,3vw,34px) clamp(18px,3vw,40px);
  border-block:1px solid var(--line);
  background:linear-gradient(90deg,rgba(12,58,46,.95),rgba(12,58,46,.5));
}
.band--accent{
  border-block-color:rgba(198,255,61,.28);
  background:linear-gradient(90deg,rgba(198,255,61,.14),rgba(198,255,61,0) 72%);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:block}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  color:var(--mute);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  line-height:1.5;
}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{
  content:"/";
  color:rgba(159,255,224,.4);
}
.breadcrumb__link{
  color:rgba(234,244,238,.72);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.breadcrumb__link:hover,
.breadcrumb__link:focus-visible{
  color:var(--lime);
  border-bottom-color:var(--lime);
}
.breadcrumb__item[aria-current="page"]{color:var(--fog)}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  background:
    repeating-linear-gradient(0deg,rgba(159,255,224,.09) 0 1px,transparent 1px 5px),
    linear-gradient(140deg,var(--ink-2),var(--ink-3) 72%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(6,35,28,.26) 0 1px,transparent 1px 3px);
}
.media--4x3{aspect-ratio:4 / 3}
.media--21x9{aspect-ratio:21 / 9}
.media--plain{clip-path:none}
.media__cap{
  position:absolute;
  left:12px;bottom:10px;
  z-index:2;
  padding:5px 9px;
  background:rgba(6,35,28,.78);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  line-height:1;
}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .nav-list{gap:4px}
  .nav-link{font-size:13px;letter-spacing:.02em}
  .grid--7-5,.grid--8-4{grid-template-columns:1fr}
}

/* ---------- 移动端 ---------- */
@media (max-width:940px){
  :root{--rail:46px}

  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    top:100%;
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    padding:6px clamp(14px,4vw,26px) 22px;
    max-height:calc(100vh - 100%);
    overflow-y:auto;
    background:var(--ink-2);
    border-top:1px solid var(--line-lime);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 52px -26px #000;
  }
  .site-nav[data-open]{display:flex}

  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item{border-bottom:1px solid rgba(159,255,224,.12)}
  .nav-link{
    display:block;
    padding:15px 2px;
    font-size:16px;
    letter-spacing:.08em;
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{padding-left:10px;border-left:3px solid var(--orange)}
  .nav-cta{margin-top:18px;justify-content:center;padding:15px 17px;font-size:14px}

  .brand-name{font-size:13px;letter-spacing:.12em}

  .footer-top{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-main{padding:clamp(28px,5vw,44px) clamp(14px,4vw,26px) 22px}
  .footer-base{font-size:10px;letter-spacing:.08em}
}

@media (max-width:720px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .band{padding:18px 16px}
}

@media (max-width:560px){
  :root{--rail:0px}
  .site-header,
  .site-footer{grid-template-columns:minmax(0,1fr)}
  .header-rail,
  .footer-rail{display:none}

  body{font-size:16px}
  .header-main{min-height:60px;padding:9px 14px}
  .brand-name{display:none}
  .footer-cols{grid-template-columns:1fr}
  .contact-line{gap:8px}
  .contact-key{min-width:40px}
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .nav-cta:hover,
  .btn:hover,
  .card:hover,
  .card:focus-within{transform:none}
}