/* ============================================================
   NG体育 · 中文站 V2.0 — 共享样式 /assets/site.css
   深夜赛场指挥中心：深色主场 + 荧光青结构高亮 + 橙红比分锚点
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
img,svg,video{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
table{border-collapse:collapse;width:100%}
input,textarea,select{font:inherit;color:inherit}

/* ---------- 2. Tokens ---------- */
:root{
  --void:#05070E;
  --navy:#0B1B33;
  --purple-a:#2A1450;
  --purple-b:#1B1036;
  --cyan:#22E0FF;
  --cyan-deep:#0E6E80;
  --orange:#FF4D2E;
  --amber:#FFB020;
  --paper:#F4F7FB;
  --ash:#8C99AD;
  --steel:#24354F;
  --mint:#3BE3A6;

  --rail-w:96px;
  --rail-collapsed:56px;
  --shell:1180px;

  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono","Courier New",monospace;

  --t-fast:180ms;
  --t-mid:240ms;
  --t-rail:220ms;
}

/* ---------- 3. Base ---------- */
body{
  background-color:var(--void);
  background-image:
    radial-gradient(1100px 560px at 84% -10%, rgba(34,224,255,.10), transparent 62%),
    radial-gradient(900px 700px at -10% 30%, rgba(42,20,80,.55), transparent 60%),
    linear-gradient(135deg, rgba(42,20,80,.42), rgba(27,16,54,0) 58%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--cyan);color:var(--void)}

h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.25}
h1{font-size:clamp(34px,5.4vw,72px)}
h2{font-size:clamp(26px,3.4vw,48px)}
h3{font-size:clamp(20px,2.2vw,32px)}
h4{font-size:clamp(17px,1.6vw,24px)}
p{max-width:68ch}

a{transition:color var(--t-fast) ease,border-color var(--t-fast) ease}
a:hover{color:var(--cyan)}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
:focus:not(:focus-visible){outline:none}

#main-content{scroll-margin-top:130px}
[data-chapter]{scroll-margin-top:130px}

/* ---------- 4. 布局工具 ---------- */
.ng-shell{width:100%;max-width:var(--shell);margin:0 auto;padding-inline:clamp(18px,3.5vw,44px)}
.ng-prose{max-width:68ch;font-size:17px;line-height:1.8;color:var(--paper)}
.ng-prose p+p{margin-top:1.05em}
.ng-prose a{color:var(--cyan);border-bottom:1px solid var(--cyan-deep)}
.ng-stack>*+*{margin-top:clamp(18px,2.6vw,32px)}
.ng-cluster{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.ng-grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.ng-grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.ng-grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* 框景：四角荧光标记 */
.ng-frame{position:relative;border:1px solid var(--steel);border-radius:3px}
.ng-frame::before{
  content:"";position:absolute;inset:-1px;pointer-events:none;
  background-image:
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;
  background-size:20px 2px,2px 20px,20px 2px,2px 20px,20px 2px,2px 20px,20px 2px,2px 20px;
  background-position:0 0,0 0,100% 0,100% 0,0 100%,0 100%,100% 100%,100% 100%;
}

/* 横向刻度尺 */
.ng-ticks{position:relative;height:12px;border-top:1px solid var(--steel)}
.ng-ticks::after{
  content:"";position:absolute;inset:0 0 auto 0;height:6px;
  background-image:repeating-linear-gradient(90deg,var(--steel) 0 1px,transparent 1px 14px);
}

/* 注释文本 */
.ng-note{font-size:12px;font-weight:500;letter-spacing:.18em;color:var(--ash);text-transform:uppercase;line-height:1.6}
.ng-note--vertical{writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.32em}

/* ---------- 5. 跳至主内容 ---------- */
.ng-skip{
  position:absolute;left:12px;top:-72px;z-index:200;
  padding:11px 18px;background:var(--cyan);color:var(--void);
  font-size:13px;font-weight:700;letter-spacing:.06em;border-radius:2px;
  transition:top var(--t-fast) ease;
}
.ng-skip:focus{top:12px;color:var(--void)}

/* ---------- 6. Header ---------- */
.ng-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,14,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--steel);
}
.ng-header__inner{max-width:var(--shell);margin:0 auto;padding-inline:clamp(18px,3.5vw,44px)}

.ng-header__top{display:flex;align-items:center;gap:clamp(14px,3vw,40px);padding:12px 0}

/* 品牌 */
.ng-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.ng-brand__mark{
  flex:0 0 auto;display:grid;place-items:center;
  width:40px;height:40px;
  font-family:var(--font-mono);font-size:15px;font-weight:700;letter-spacing:.04em;
  color:var(--cyan);
  border:1px solid var(--cyan-deep);border-radius:2px;
  background:linear-gradient(140deg,rgba(34,224,255,.16),rgba(11,27,51,.2));
  box-shadow:inset 0 0 14px rgba(34,224,255,.16);
}
.ng-brand__text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.ng-brand__name{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--paper)}
.ng-brand__sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--cyan-deep)}
.ng-brand:hover .ng-brand__mark{border-color:var(--cyan);box-shadow:inset 0 0 18px rgba(34,224,255,.28)}

/* 上层说明带 */
.ng-meta{display:flex;align-items:center;gap:clamp(12px,2vw,22px);margin-left:auto;flex-wrap:wrap}
.ng-meta__link{
  font-size:12px;letter-spacing:.06em;color:var(--ash);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.ng-meta__link:hover{color:var(--cyan);border-color:var(--cyan-deep)}

/* 导航按钮 */
.ng-nav-toggle{
  display:none;align-items:center;gap:9px;margin-left:auto;
  padding:9px 13px;
  border:1px solid var(--steel);border-radius:2px;
  font-size:13px;letter-spacing:.1em;color:var(--paper);
}
.ng-nav-toggle:hover{border-color:var(--cyan-deep);color:var(--cyan)}
.ng-nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:space-between;width:16px;height:12px}
.ng-nav-toggle__bars i{display:block;height:2px;background:var(--cyan);transition:transform var(--t-fast) ease,opacity var(--t-fast) ease}
.ng-nav-toggle[aria-expanded="true"] .ng-nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.ng-nav-toggle[aria-expanded="true"] .ng-nav-toggle__bars i:nth-child(2){opacity:0}
.ng-nav-toggle[aria-expanded="true"] .ng-nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 双层之间的刻度分隔 */
.ng-rule{position:relative;height:1px;background:var(--steel)}
.ng-rule::after{
  content:"";position:absolute;left:0;top:0;height:5px;width:100%;
  background-image:repeating-linear-gradient(90deg,var(--steel) 0 1px,transparent 1px 16px);
}

/* 下层栏目带 */
.ng-nav{display:flex;align-items:center;gap:clamp(14px,2.6vw,32px);padding:8px 0 14px}
.ng-nav__list{display:flex;align-items:center;gap:clamp(12px,2.2vw,26px);flex:1 1 auto;flex-wrap:wrap;counter-reset:ng-nav}
.ng-nav__item{counter-increment:ng-nav}
.ng-nav__link{
  display:inline-flex;align-items:center;
  font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--paper);
  padding:6px 2px;border-bottom:2px solid transparent;
  transition:color var(--t-fast) ease,border-color var(--t-fast) ease,text-shadow var(--t-fast) ease;
}
.ng-nav__link::before{
  content:counter(ng-nav,decimal-leading-zero);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;
  color:var(--cyan-deep);margin-right:8px;
}
.ng-nav__link:hover{color:var(--cyan);border-color:var(--cyan-deep)}
.ng-nav__link[aria-current="page"]{color:var(--cyan);border-color:var(--cyan);text-shadow:0 0 18px rgba(34,224,255,.5)}
.ng-nav__link[aria-current="page"]::before{color:var(--cyan)}

/* 主行动点 */
.ng-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:10px 18px;border-radius:2px;
  background:var(--orange);color:#0B0B12;
  font-size:14px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
  transition:transform var(--t-fast) ease,box-shadow var(--t-fast) ease,background var(--t-fast) ease;
}
.ng-cta:hover{color:#0B0B12;background:#FF6647;transform:translateY(-1px);box-shadow:0 8px 24px rgba(255,77,46,.34)}

/* 阅读进度 */
.ng-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(36,53,79,.55);overflow:hidden}
.ng-progress__bar{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transition:transform 80ms linear;
}

/* ---------- 7. 左侧常驻脉冲条 ---------- */
.ng-rail{display:none}
@media (min-width:1080px){
  .ng-rail{
    display:flex;flex-direction:column;align-items:center;gap:6px;
    position:fixed;inset:0 auto 0 0;width:var(--rail-w);z-index:70;
    padding:12px 8px 14px;
    background:linear-gradient(180deg,var(--navy),#070B16 68%,#05070E);
    border-right:1px solid var(--steel);
    transition:width var(--t-rail) ease;
  }
}
.ng-rail::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--cyan),rgba(34,224,255,0));
}
.ng-rail__toggle{
  width:30px;height:30px;flex:0 0 auto;display:grid;place-items:center;
  border:1px solid var(--steel);border-radius:50%;
  color:var(--cyan);line-height:1;
}
.ng-rail__toggle:hover{border-color:var(--cyan);background:rgba(34,224,255,.12)}
.ng-rail__chevron{display:block;font-size:14px;transition:transform var(--t-rail) ease}
.ng-rail__label{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-size:10px;letter-spacing:.32em;color:var(--cyan-deep);
  margin:8px 0;flex:0 0 auto;
}
.ng-rail__viewport{
  position:relative;width:100%;flex:1 1 auto;min-height:120px;overflow:hidden;
  margin:4px 0;
  border-top:1px solid var(--steel);border-bottom:1px solid var(--steel);
}
.ng-rail__list{position:relative;height:100%}
.ng-rail__item{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  padding:10px 2px;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity var(--t-mid) ease,transform var(--t-mid) ease;
}
.ng-rail__item.is-active{opacity:1;transform:none;pointer-events:auto}
.ng-rail__teams{font-size:11px;line-height:1.5;letter-spacing:.05em;color:var(--ash)}
.ng-rail__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:18px;font-weight:700;letter-spacing:-.02em;line-height:1.1;
  color:var(--orange);text-shadow:0 0 16px rgba(255,77,46,.35);
}
.ng-rail__meta{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:var(--cyan-deep)}
.ng-rail__compact{display:none;flex:1 1 auto;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%}
.ng-rail__compact-live{font-family:var(--font-mono);font-size:9px;letter-spacing:.28em;color:var(--mint)}
.ng-rail__compact-score{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;letter-spacing:.12em;color:var(--orange);
}
.ng-rail__foot{display:flex;flex-direction:column;align-items:center;gap:7px;flex:0 0 auto;width:100%;padding-top:6px}
.ng-rail__foot-text{font-size:10px;line-height:1.5;letter-spacing:.06em;color:var(--ash);text-align:center}

html[data-rail="collapsed"] .ng-rail{width:var(--rail-collapsed);padding:10px 6px 12px}
html[data-rail="collapsed"] .ng-rail__viewport,
html[data-rail="collapsed"] .ng-rail__label{display:none}
html[data-rail="collapsed"] .ng-rail__compact{display:flex}
html[data-rail="collapsed"] .ng-rail__chevron{transform:rotate(180deg)}

/* ---------- 8. 通用组件 ---------- */
/* 按钮 */
.ng-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:2px;
  border:1px solid var(--cyan-deep);background:rgba(34,224,255,.06);
  color:var(--paper);font-size:14px;font-weight:700;letter-spacing:.04em;
  transition:background var(--t-fast) ease,border-color var(--t-fast) ease,color var(--t-fast) ease,transform var(--t-fast) ease;
}
.ng-btn:hover{background:rgba(34,224,255,.16);border-color:var(--cyan);color:var(--paper);transform:translateY(-1px)}
.ng-btn--pulse{border-color:var(--cyan);color:var(--cyan);box-shadow:inset 0 0 0 1px rgba(34,224,255,.18)}
.ng-btn--pulse:hover{color:var(--cyan)}
.ng-btn--solid{background:var(--orange);border-color:var(--orange);color:#0B0B12}
.ng-btn--solid:hover{background:#FF6647;border-color:#FF6647;color:#0B0B12;box-shadow:0 8px 24px rgba(255,77,46,.32)}
.ng-btn--ghost{background:transparent;border-color:var(--steel);color:var(--ash)}
.ng-btn--ghost:hover{color:var(--paper);border-color:var(--paper);background:transparent}

/* 卡片 */
.ng-card{
  position:relative;padding:clamp(20px,2.6vw,30px);border-radius:3px;
  background:linear-gradient(160deg,rgba(11,27,51,.92),rgba(5,7,14,.94));
  border:1px solid var(--steel);
  transition:border-color var(--t-fast) ease,transform var(--t-fast) ease;
}
.ng-card:hover{border-color:var(--cyan-deep);transform:translateY(-2px)}
.ng-card--frame{border-color:var(--cyan-deep)}
.ng-card--frame::before{
  content:"";position:absolute;inset:-1px;pointer-events:none;
  background-image:
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;
  background-size:18px 2px,2px 18px,18px 2px,2px 18px;
  background-position:0 0,0 0,100% 100%,100% 100%;
}
.ng-card--paper{background:var(--paper);border-color:var(--paper);color:#0B1B33}
.ng-card--paper .ng-card__body,.ng-card--paper .ng-card__meta{color:#42536B}
.ng-card--paper .ng-card__no{color:#0E6E80}
.ng-card__no{display:block;margin-bottom:12px;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--cyan)}
.ng-card__title{font-size:clamp(19px,2vw,24px);font-weight:800;letter-spacing:-.01em;line-height:1.4;color:inherit}
.ng-card__body{margin-top:10px;font-size:15px;line-height:1.75;color:var(--ash);max-width:60ch}
.ng-card__meta{margin-top:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--ash)}

/* 数字 */
.ng-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.03em;line-height:1}
.ng-num--xl{font-size:clamp(56px,9vw,96px)}
.ng-num--lg{font-size:clamp(36px,5vw,64px)}
.ng-num--sm{font-size:clamp(20px,2.4vw,28px)}
.ng-num--score{color:var(--orange);text-shadow:0 0 26px rgba(255,77,46,.35)}

/* 标签 */
.ng-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border:1px solid var(--steel);border-radius:1px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--ash);
}
.ng-tag--amber{color:var(--amber);border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.08)}
.ng-tag--mint{color:var(--mint);border-color:rgba(59,227,166,.45);background:rgba(59,227,166,.08)}
.ng-tag--orange{color:var(--orange);border-color:rgba(255,77,46,.5);background:rgba(255,77,46,.1)}

/* 状态点 */
.ng-dot{
  flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--mint);
  animation:ng-pulse 2.4s ease-out infinite;
}
@keyframes ng-pulse{
  0%{box-shadow:0 0 0 0 rgba(59,227,166,.45)}
  70%{box-shadow:0 0 0 8px rgba(59,227,166,0)}
  100%{box-shadow:0 0 0 0 rgba(59,227,166,0)}
}

/* 面包屑 */
.ng-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:18px 0;font-size:12px;letter-spacing:.08em;color:var(--ash)}
.ng-crumbs__item{display:inline-flex;align-items:center;gap:8px}
.ng-crumbs__item+.ng-crumbs__item::before{content:"/";color:var(--cyan-deep);margin-right:2px}
.ng-crumbs a:hover{color:var(--cyan)}
.ng-crumbs__item[aria-current="page"]{color:var(--paper);font-family:var(--font-mono)}

/* 章节头 */
.ng-section{margin-top:clamp(48px,7vw,96px)}
.ng-section__head{
  display:flex;align-items:flex-end;gap:clamp(12px,2vw,24px);
  padding-bottom:14px;border-bottom:1px solid var(--steel);position:relative;
}
.ng-section__head::after{
  content:"";position:absolute;left:0;bottom:-1px;width:64px;height:2px;background:var(--cyan);
  transition:width var(--t-mid) ease,background var(--t-mid) ease;
}
.ng-section__no{font-family:var(--font-mono);font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1;color:var(--cyan-deep);transition:color var(--t-mid) ease}
.ng-section__title{font-size:clamp(24px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.ng-section__note{margin-left:auto;font-size:12px;letter-spacing:.18em;color:var(--ash)}

[data-chapter].is-current .ng-section__no{color:var(--cyan)}
[data-chapter].is-current .ng-section__head::after{width:108px;background:var(--orange)}

/* 图片容器基础规则 */
.ng-media{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;border:1px solid var(--steel);border-radius:3px;
  background:
    radial-gradient(120% 90% at 16% 8%, rgba(34,224,255,.18), transparent 62%),
    linear-gradient(135deg,var(--purple-a),var(--navy) 58%,#05070E);
}
.ng-media--wide{aspect-ratio:21/9}
.ng-media--square{aspect-ratio:1/1}
.ng-media--tall{aspect-ratio:4/5}
.ng-media>img{width:100%;height:100%;object-fit:cover}
.ng-media__veil{
  position:absolute;inset:auto 0 0 0;padding:14px 16px;
  background:linear-gradient(180deg,rgba(5,7,14,0),rgba(5,7,14,.9));
  font-size:12px;letter-spacing:.1em;color:var(--paper);
}

/* 滚动显现 */
html.ng-js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity var(--t-mid) ease,transform var(--t-mid) ease}
html.ng-js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 9. Footer ---------- */
.ng-footer{
  position:relative;margin-top:clamp(56px,8vw,120px);
  background:linear-gradient(180deg,rgba(11,27,51,.86),#04060C 72%);
  border-top:1px solid var(--steel);
}
.ng-footer::before{
  content:"";position:absolute;inset:-1px 0 auto 0;height:1px;
  background:linear-gradient(90deg,var(--cyan),rgba(34,224,255,0) 62%);
}
.ng-footer__inner{
  max-width:var(--shell);margin:0 auto;
  padding:clamp(32px,5vw,64px) clamp(18px,3.5vw,44px) clamp(24px,3vw,38px);
  display:grid;gap:clamp(28px,4vw,54px);
  grid-template-columns:minmax(220px,1.05fr) minmax(280px,1.9fr) minmax(250px,1.25fr);
}
.ng-footer__brand{display:flex;flex-direction:column;gap:16px}
.ng-brand--footer{gap:12px}
.ng-footer__tagline{font-size:15px;line-height:1.7;color:var(--ash);max-width:26ch}
.ng-footer__status{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.08em;color:var(--paper);max-width:none}
.ng-footer__nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:clamp(20px,3vw,36px)}
.ng-footer__col-title{
  position:relative;padding-bottom:10px;margin-bottom:14px;
  border-bottom:1px solid var(--steel);
  font-size:11px;font-weight:700;letter-spacing:.22em;color:var(--paper);
}
.ng-footer__col-title::after{content:"";position:absolute;left:0;bottom:-1px;width:28px;height:1px;background:var(--amber)}
.ng-footer__links{display:flex;flex-direction:column;gap:10px}
.ng-footer__links a{display:inline-block;font-size:14px;color:var(--ash);transition:color var(--t-fast) ease,transform var(--t-fast) ease}
.ng-footer__links a:hover{color:var(--cyan);transform:translateX(3px)}
.ng-footer__contact{display:flex;flex-direction:column}
.ng-footer__contact-list{display:grid;gap:10px}
.ng-footer__contact-list li{display:grid;grid-template-columns:56px 1fr;gap:10px;align-items:start;font-size:13px;line-height:1.7}
.ng-footer__k{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--cyan-deep);padding-top:3px}
.ng-footer__v{color:var(--ash);word-break:break-word;min-width:0}
.ng-footer__note{margin-top:16px;font-size:12px;line-height:1.75;color:var(--ash);max-width:44ch}
.ng-footer__base{
  max-width:var(--shell);margin:0 auto;
  padding:16px clamp(18px,3.5vw,44px) 30px;
  border-top:1px solid var(--steel);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;
  font-size:12px;letter-spacing:.06em;color:var(--ash);
}
.ng-footer__copy{max-width:none}
.ng-footer__icp{font-family:var(--font-mono);color:var(--paper);max-width:none}
.ng-footer__fine{flex:1 1 260px;min-width:200px;max-width:56ch}

/* ---------- 10. 响应式 ---------- */
@media (min-width:1080px){
  body{padding-left:var(--rail-w);transition:padding-left var(--t-rail) ease}
  html[data-rail="collapsed"] body{padding-left:var(--rail-collapsed)}
}

@media (max-width:1024px){
  .ng-footer__inner{grid-template-columns:1fr 1fr}
  .ng-footer__contact{grid-column:1 / -1}
}

@media (max-width:880px){
  .ng-meta{display:none}
  .ng-nav-toggle{display:inline-flex}
  .ng-header__top{padding:10px 0}
  .ng-nav{
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:0 0 16px;
    background:linear-gradient(180deg,rgba(11,27,51,.6),rgba(5,7,14,0));
  }
  .ng-nav[data-open]{display:flex}
  .ng-nav__list{flex-direction:column;align-items:stretch;gap:0;flex:none}
  .ng-nav__item{border-top:1px solid var(--steel)}
  .ng-nav__link{width:100%;padding:15px 4px;border-bottom:0;border-left:2px solid transparent;font-size:16px}
  .ng-nav__link:hover{border-left-color:var(--cyan-deep)}
  .ng-nav__link[aria-current="page"]{border-left-color:var(--cyan);background:linear-gradient(90deg,rgba(34,224,255,.14),rgba(34,224,255,0))}
  .ng-cta{margin-top:16px;align-self:flex-start}
  .ng-section__head{flex-wrap:wrap}
  .ng-section__note{margin-left:0;width:100%}
}

@media (max-width:720px){
  body{font-size:16px}
  .ng-footer__inner{grid-template-columns:1fr}
  .ng-footer__nav{grid-template-columns:1fr 1fr}
  .ng-footer__base{flex-direction:column;align-items:flex-start;gap:6px}
  .ng-brand__mark{width:36px;height:36px;font-size:14px}
}

@media (max-width:420px){
  .ng-footer__nav{grid-template-columns:1fr}
}

/* ---------- 11. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.ng-js [data-reveal]{opacity:1 !important;transform:none !important}
}