/* ============================================================
   NG赛事通 · 共享 Site Kit（/assets/site.css）
   控制台深色 / 电光青描边 / 竞技橙红 CTA / 奶油纸编辑区块
   ============================================================ */

/* ---------- 1. 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,figure,figcaption,blockquote,dl,dt,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse}

/* ---------- 2. 变量 ---------- */
:root{
  --ng-void:#070A0F;
  --ng-panel:#0E151C;
  --ng-cyan:#29F2E0;
  --ng-cyan-edge:#1B5D63;
  --ng-flare:#FF4B2B;
  --ng-paper:#F1E6D2;
  --ng-paper-ink:#221A16;
  --ng-mist:#B7C3CD;
  --ng-white:#F7FBFD;
  --ng-data:#D8FF4F;

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

  --ng-shell-w:1240px;
  --ng-gutter:clamp(1rem,4vw,2.5rem);
  --ng-radius:4px;
  --ng-hair:rgba(27,93,99,.85);
  --ng-hair-hot:rgba(41,242,224,.55);
}

/* ---------- 3. 中文排版与基础 ---------- */
body{
  background:var(--ng-void);
  color:var(--ng-white);
  font-family:var(--ng-font-body);
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.75;
  letter-spacing:.01em;
  word-break:break-word;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:.01em}
p{max-width:70ch}
::selection{background:var(--ng-cyan);color:#04120f}
:focus-visible{outline:2px solid var(--ng-cyan);outline-offset:3px;border-radius:2px}

/* ---------- 4. 容器 ---------- */
.ng-shell{
  width:100%;
  max-width:calc(var(--ng-shell-w) + var(--ng-gutter) * 2);
  margin-inline:auto;
  padding-inline:var(--ng-gutter);
}
.ng-main{display:block;padding-top:clamp(6rem,11vw,8.5rem);padding-bottom:clamp(1rem,4vw,3rem)}
.ng-section{padding-block:clamp(1.75rem,5vw,3.5rem)}
.ng-rule{height:1px;margin-block:clamp(1.5rem,3vw,2.5rem);background:linear-gradient(90deg,var(--ng-hair),rgba(27,93,99,0))}

/* ---------- 5. 文字层级 ---------- */
.ng-eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:.9rem;
  font:700 .75rem/1 var(--ng-font-body);letter-spacing:.2em;text-transform:uppercase;color:var(--ng-cyan);
}
.ng-eyebrow::before{content:"";width:26px;height:2px;background:var(--ng-flare)}
.ng-title{
  font-family:var(--ng-font-display);font-weight:700;
  font-size:clamp(1.75rem,3.4vw,2.75rem);line-height:1.06;letter-spacing:.015em;color:var(--ng-white);
  text-wrap:balance;
}
.ng-title--xl{
  font-size:clamp(2.25rem,6vw,5.25rem);line-height:.98;letter-spacing:.005em;text-transform:uppercase;
}
.ng-lead{
  margin-top:1rem;max-width:62ch;
  font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.85;color:var(--ng-mist);
}
.ng-text{color:var(--ng-mist)}
.ng-text--strong{color:var(--ng-white);font-weight:600}
.ng-num{font-family:var(--ng-font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- 6. 网格 / 分屏 ---------- */
.ng-grid{display:grid;gap:clamp(1rem,2.5vw,1.75rem);grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.ng-split{display:grid;gap:clamp(1.5rem,4vw,3rem);grid-template-columns:1fr}
.ng-split--5-7,.ng-split--7-5,.ng-split--6-6{--ng-split-cols:1fr}
@media (min-width:900px){
  .ng-split{grid-template-columns:var(--ng-split-cols)}
  .ng-split--5-7{--ng-split-cols:5fr 7fr}
  .ng-split--7-5{--ng-split-cols:7fr 5fr}
  .ng-split--6-6{--ng-split-cols:6fr 6fr}
}

/* ---------- 7. 按钮 ---------- */
.ng-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.72rem 1.1rem;border:1px solid transparent;border-radius:999px;
  font:700 .8125rem/1 var(--ng-font-body);letter-spacing:.08em;white-space:nowrap;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.ng-btn:hover{transform:translateY(-1px)}
.ng-btn:active{transform:translateY(0)}
.ng-btn--flare{
  padding:.75rem 1.3rem;color:#100508;background:var(--ng-flare);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  box-shadow:0 12px 26px -16px rgba(255,75,43,.95);
}
.ng-btn--flare:hover{background:#FF6242}
.ng-btn--cyan{background:var(--ng-cyan);color:#04120f}
.ng-btn--cyan:hover{background:#63F8EA}
.ng-btn--ghost{color:var(--ng-cyan);border-color:rgba(41,242,224,.38);background:rgba(41,242,224,.04)}
.ng-btn--ghost:hover{background:rgba(41,242,224,.12);border-color:var(--ng-hair-hot)}

/* ---------- 8. 头部：悬浮胶囊浮岛 ---------- */
.ng-skip{
  position:fixed;top:.55rem;left:.55rem;z-index:200;
  padding:.7rem 1.1rem;border-radius:999px;
  background:var(--ng-cyan);color:#04120f;
  font:700 .8125rem/1 var(--ng-font-body);letter-spacing:.06em;
  transform:translateY(-180%);transition:transform .18s ease;
  pointer-events:auto;
}
.ng-skip:focus-visible,.ng-skip:focus{transform:translateY(0)}

.ng-header{
  position:fixed;inset:0 0 auto 0;z-index:120;
  padding:clamp(.6rem,1.4vw,1rem) var(--ng-gutter) 0;
  pointer-events:none;
}
.ng-header__island{
  pointer-events:auto;position:relative;
  max-width:var(--ng-shell-w);margin-inline:auto;
  display:flex;align-items:center;gap:clamp(.5rem,1.6vw,1.25rem);
  padding:.5rem .55rem .5rem .75rem;
  border:1px solid rgba(41,242,224,.18);
  border-radius:999px;
  background:rgba(14,21,28,.82);
  box-shadow:0 20px 44px -28px rgba(0,0,0,.95),inset 0 1px 0 rgba(247,251,253,.05);
  backdrop-filter:blur(14px) saturate(130%);
  transition:padding .28s ease,background-color .28s ease,border-color .28s ease;
}
.ng-header[data-scrolled="true"] .ng-header__island{
  padding-block:.28rem;
  background:rgba(7,10,15,.94);
  border-color:rgba(41,242,224,.34);
}

.ng-brand{display:flex;align-items:center;gap:.65rem;flex:0 0 auto;border-radius:999px}
.ng-brand__mark{
  display:grid;place-items:center;width:2.25rem;height:2.25rem;flex:0 0 auto;
  font:700 1rem/1 var(--ng-font-mono);letter-spacing:.02em;color:var(--ng-cyan);
  background:linear-gradient(150deg,rgba(41,242,224,.18),rgba(41,242,224,.02));
  border:1px solid rgba(41,242,224,.45);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
}
.ng-brand__mark--lg{width:2.9rem;height:2.9rem;font-size:1.2rem}
.ng-brand__text{display:flex;flex-direction:column;gap:.2rem;line-height:1}
.ng-brand__name{font:700 1.05rem/1 var(--ng-font-display);letter-spacing:.13em;color:var(--ng-white)}
.ng-brand__tag{font:500 .625rem/1.1 var(--ng-font-body);letter-spacing:.16em;text-transform:uppercase;color:var(--ng-mist)}

.ng-nav{margin-inline-start:auto}
.ng-nav__list{display:flex;align-items:center;gap:.1rem}
.ng-nav__item{display:block}
.ng-nav__link{
  display:block;padding:.5rem .72rem;border-radius:999px;
  font:500 .875rem/1.2 var(--ng-font-body);letter-spacing:.04em;color:var(--ng-mist);
  transition:color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.ng-nav__link:hover{color:var(--ng-white);background:rgba(41,242,224,.09)}
.ng-nav__link[aria-current="page"]{
  color:var(--ng-cyan);background:rgba(41,242,224,.1);
  box-shadow:inset 0 0 0 1px rgba(41,242,224,.42);font-weight:700;
}

.ng-header__actions{display:flex;align-items:center;gap:.5rem;flex:0 0 auto}
.ng-header__cta{flex:0 0 auto}

.ng-navtoggle{
  display:none;align-items:center;gap:.5rem;
  padding:.58rem .8rem;border-radius:999px;
  border:1px solid rgba(41,242,224,.38);color:var(--ng-cyan);
  font:700 .75rem/1 var(--ng-font-body);letter-spacing:.1em;
  transition:background-color .2s ease,border-color .2s ease;
}
.ng-navtoggle:hover{background:rgba(41,242,224,.1)}
.ng-navtoggle__bars{display:grid;gap:4px;width:16px}
.ng-navtoggle__bars span{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .22s ease}
.ng-navtoggle[aria-expanded="true"]{background:rgba(41,242,224,.14);border-color:var(--ng-hair-hot)}
.ng-navtoggle[aria-expanded="true"] .ng-navtoggle__bars span:first-child{transform:translateY(3px) rotate(45deg)}
.ng-navtoggle[aria-expanded="true"] .ng-navtoggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg)}

.ng-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:130;background:rgba(27,93,99,.4);pointer-events:none}
.ng-progress__bar{
  display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--ng-cyan),var(--ng-data) 58%,var(--ng-flare));
}

/* ---------- 9. 页脚：斜切资料层 ---------- */
.ng-footer{
  position:relative;
  margin-top:clamp(3rem,9vw,6.5rem);
  padding-block:calc(4vw + clamp(2rem,5vw,3.5rem)) clamp(1.5rem,3vw,2.25rem);
  color:var(--ng-white);
  background:
    radial-gradient(120% 80% at 88% 0%,rgba(41,242,224,.1),rgba(7,10,15,0) 58%),
    linear-gradient(180deg,#080C12 0%,#0B1118 58%,#05080C 100%);
  clip-path:polygon(0 4vw,100% 0,100% 100%,0 100%);
}
.ng-footer__inner{display:grid;gap:clamp(1.5rem,4vw,2.75rem)}
.ng-footer__top{display:grid;gap:clamp(1.75rem,4vw,3rem);grid-template-columns:minmax(0,1.3fr) minmax(0,2fr);align-items:start}
.ng-footer__brand{display:grid;gap:1rem;justify-items:start;max-width:40ch}
.ng-footer__summary{font-size:.9375rem;line-height:1.8;color:var(--ng-mist)}
.ng-footer__chip{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.35rem .7rem;border-radius:999px;
  border:1px solid rgba(216,255,79,.38);background:rgba(216,255,79,.08);
  font:600 .75rem/1 var(--ng-font-mono);letter-spacing:.08em;color:var(--ng-data);
}
.ng-footer__chip-dot{width:6px;height:6px;border-radius:50%;background:var(--ng-data);box-shadow:0 0 0 3px rgba(216,255,79,.18)}
.ng-footer__cta{margin-top:.25rem}
.ng-footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2.5vw,2rem)}
.ng-footer__col{display:grid;gap:.85rem;align-content:start}
.ng-footer__coltitle{
  padding-bottom:.6rem;border-bottom:1px solid var(--ng-hair);
  font:600 .75rem/1.3 var(--ng-font-body);letter-spacing:.18em;text-transform:uppercase;color:var(--ng-cyan);
}
.ng-footer__list{display:grid;gap:.55rem}
.ng-footer__link{display:inline-block;font-size:.875rem;line-height:1.6;color:var(--ng-mist);transition:color .18s ease,transform .18s ease}
.ng-footer__link:hover{color:var(--ng-white);transform:translateX(3px)}
.ng-footer__contact{
  display:grid;gap:.45rem;
  padding-top:clamp(1rem,2.5vw,1.5rem);border-top:1px solid rgba(27,93,99,.7);
}
.ng-footer__contact-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem;font-size:.8125rem;line-height:1.7;color:var(--ng-mist)}
.ng-footer__contact-key{
  padding:.2rem .45rem;border:1px solid rgba(41,242,224,.32);border-radius:3px;
  font:600 .6875rem/1 var(--ng-font-mono);letter-spacing:.14em;color:var(--ng-cyan);
}
.ng-footer__legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 1.5rem;
  padding-top:1rem;border-top:1px solid rgba(27,93,99,.5);
}
.ng-footer__copy{font:500 .75rem/1.7 var(--ng-font-mono);letter-spacing:.04em;color:#7C8B97}
.ng-footer__legal-links{display:flex;flex-wrap:wrap;gap:.5rem 1.1rem}
.ng-footer__legal-link{
  font-size:.75rem;letter-spacing:.08em;color:var(--ng-mist);
  padding-bottom:2px;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.ng-footer__legal-link:hover{color:var(--ng-cyan);border-bottom-color:var(--ng-cyan)}

/* ---------- 10. 卡片 / 标签 / 纸面区块 ---------- */
.ng-card{
  position:relative;display:block;padding:clamp(1.1rem,2.4vw,1.7rem);
  background:rgba(14,21,28,.9);
  border:1px solid var(--ng-hair);border-radius:var(--ng-radius);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ng-card:hover{transform:translateY(-3px);border-color:var(--ng-hair-hot);box-shadow:0 24px 44px -32px rgba(41,242,224,.6)}
.ng-card--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%)}
.ng-card__label{display:block;font:700 .6875rem/1 var(--ng-font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ng-cyan)}
.ng-card__title{
  margin-top:.6rem;font-family:var(--ng-font-display);font-weight:700;
  font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.24;letter-spacing:.02em;color:var(--ng-white);
}
.ng-card__text{margin-top:.5rem;font-size:.9rem;line-height:1.75;color:var(--ng-mist)}

.ng-tag{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.28rem .62rem;border-radius:999px;
  border:1px solid rgba(41,242,224,.35);color:var(--ng-cyan);
  font:600 .6875rem/1 var(--ng-font-mono);letter-spacing:.1em;
}
.ng-tag--flare{border-color:rgba(255,75,43,.48);color:var(--ng-flare)}
.ng-tag--data{border-color:rgba(216,255,79,.48);color:var(--ng-data)}

.ng-paper{
  position:relative;overflow:hidden;
  padding:clamp(1.5rem,4vw,3rem);
  background:var(--ng-paper);color:var(--ng-paper-ink);
  border-radius:var(--ng-radius);
}
.ng-paper::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,var(--ng-flare),var(--ng-cyan))}
.ng-paper h2,.ng-paper h3,.ng-paper h4{color:var(--ng-paper-ink)}
.ng-paper p{color:#3A2F29}
.ng-paper a{color:#0B4B4E;text-decoration:underline;text-underline-offset:4px}
.ng-paper .ng-eyebrow{color:#0B4B4E}
.ng-paper--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%)}

/* ---------- 11. 面包屑 / 目录 ---------- */
.ng-breadcrumb{margin-bottom:clamp(1rem,2.5vw,1.5rem)}
.ng-breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;font:500 .75rem/1.6 var(--ng-font-mono);letter-spacing:.08em;color:var(--ng-mist)}
.ng-breadcrumb__item{display:flex;align-items:center;gap:.4rem}
.ng-breadcrumb__item + .ng-breadcrumb__item::before{content:"/";color:var(--ng-cyan-edge)}
.ng-breadcrumb__link{color:var(--ng-mist);transition:color .18s ease}
.ng-breadcrumb__link:hover{color:var(--ng-cyan)}
.ng-breadcrumb__item[aria-current="page"]{color:var(--ng-white)}

.ng-toc{display:grid;gap:.25rem}
.ng-toc__list{display:grid;gap:.2rem}
.ng-toc__link{
  display:block;padding:.5rem .75rem;
  border-left:2px solid var(--ng-cyan-edge);
  font-size:.875rem;line-height:1.5;color:var(--ng-mist);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.ng-toc__link:hover{color:var(--ng-white);background:rgba(41,242,224,.06)}
.ng-toc__link[aria-current]{color:var(--ng-cyan);border-left-color:var(--ng-cyan);background:rgba(41,242,224,.09);font-weight:600}

/* ---------- 12. 媒体容器（页面阶段放图） ---------- */
.ng-media{
  position:relative;display:block;width:100%;aspect-ratio:16/9;overflow:hidden;
  border:1px solid var(--ng-hair);border-radius:var(--ng-radius);
  background:
    radial-gradient(120% 120% at 18% 0%,rgba(41,242,224,.16),rgba(7,10,15,0) 58%),
    linear-gradient(150deg,#0E151C,#111C25 55%,#070A0F);
}
.ng-media::after{
  content:attr(data-label);
  position:absolute;left:.8rem;bottom:.7rem;
  font:600 .6875rem/1 var(--ng-font-mono);letter-spacing:.14em;text-transform:uppercase;
  color:rgba(183,195,205,.72);
}
.ng-media img,.ng-media video{width:100%;height:100%;object-fit:cover}
.ng-media--portrait{aspect-ratio:4/5}
.ng-media--square{aspect-ratio:1/1}
.ng-media--wide{aspect-ratio:21/9}
.ng-media__caption{display:block;margin-top:.55rem;font-size:.75rem;line-height:1.6;letter-spacing:.06em;color:var(--ng-mist)}

/* ---------- 13. 显现 ---------- */
.ng-reveal{
  opacity:0;transform:translateY(18px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);
}
.ng-reveal.is-visible{opacity:1;transform:none}

/* ---------- 14. 响应式 ---------- */
@media (max-width:960px){
  .ng-header{padding-top:.55rem}
  .ng-header__island{flex-wrap:wrap;border-radius:24px;padding:.5rem .55rem;gap:.4rem}
  .ng-brand__tag{display:none}
  .ng-brand__name{font-size:.95rem}
  .ng-header__actions{margin-inline-start:auto}
  .ng-navtoggle{display:inline-flex}
  .ng-nav{
    order:3;flex:0 0 100%;margin:0;
    visibility:hidden;opacity:0;max-height:0;overflow:hidden;
    transition:opacity .2s ease,max-height .3s ease,visibility .3s ease;
  }
  .ng-nav[data-open="true"]{visibility:visible;opacity:1;max-height:min(70vh,520px);overflow-y:auto}
  .ng-nav__list{flex-direction:column;align-items:stretch;gap:.12rem;padding:.5rem .2rem .3rem}
  .ng-nav__link{padding:.72rem .8rem;border-radius:12px;font-size:.9375rem;border-bottom:1px solid rgba(27,93,99,.4)}
  .ng-nav__item:last-child .ng-nav__link{border-bottom:0}
  .ng-nav__link[aria-current="page"]{border-bottom-color:transparent}
}
@media (max-width:900px){
  .ng-footer__top{grid-template-columns:1fr}
  .ng-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
}
@media (max-width:560px){
  .ng-footer__cols{grid-template-columns:1fr}
  .ng-footer__legal{justify-content:flex-start}
  .ng-header__cta{display:none}
  .ng-paper{padding:1.25rem}
}
@media (min-width:961px){
  .ng-nav[data-open]{visibility:visible;opacity:1;max-height:none}
}

/* ---------- 15. 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;
  }
  .ng-reveal{opacity:1;transform:none}
  .ng-btn:hover,.ng-card:hover,.ng-footer__link:hover{transform:none}
}