*,*::before,*::after{box-sizing:border-box}

:root{
  --night:#0B1026;
  --stand:#111A3A;
  --line:#1B2A52;
  --ember:#FF5A1F;
  --ember-deep:#D93A1E;
  --cyan:#4DF0E0;
  --gold:#F5B84B;
  --mist:#A7B4D6;
  --ice:#EAF2FF;
  --ink:#05070F;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:var(--font-display);
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --font-score:"Barlow Condensed","Roboto Condensed","Arial Narrow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:1240px;
  --gutter:clamp(18px,4vw,44px);
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--night);
  color:var(--ice);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(760px 440px at 10% -10%,rgba(255,90,31,.18),transparent 70%),
    radial-gradient(680px 560px at 94% 2%,rgba(77,240,224,.10),transparent 72%),
    linear-gradient(180deg,#0B1026 0%,#080D1E 55%,#05070F 100%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.45;
  background-image:
    linear-gradient(to right,rgba(167,180,214,.06) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(167,180,214,.06) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 28%,transparent 84%);
  mask-image:radial-gradient(circle at 50% 18%,#000 28%,transparent 84%);
}

img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.05;
  color:var(--ice);
  margin:0;
}
h1{font-size:clamp(2.4rem,5vw,4.8rem)}
h2{font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.15}
h3{font-size:clamp(1.15rem,1.6vw,1.5rem);line-height:1.32}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}

::selection{background:rgba(255,90,31,.4);color:#fff}

/* ---------- 工具与容器 ---------- */
.shell{
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
}

.mono{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--mist);
}
.eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--ember);
  flex:none;
}

.coord{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  color:var(--gold);
}

.rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,var(--line),rgba(27,42,82,0));
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--ice);
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ember{
  background:linear-gradient(180deg,#FF6B36,var(--ember) 62%,var(--ember-deep));
  color:#0B1026;
  box-shadow:0 10px 26px -12px rgba(255,90,31,.9);
}
.btn--ember:hover{box-shadow:0 14px 30px -12px rgba(255,90,31,1)}
.btn--cyan{background:var(--cyan);color:#04121A}
.btn--ghost{border-color:var(--line);color:var(--ice);background:rgba(27,42,82,.35)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--sm{padding:8px 16px;font-size:13px}

/* ---------- 胶囊标签 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  line-height:1.5;
  color:var(--mist);
  white-space:nowrap;
}
.pill--ember{color:#FFB49A;border-color:rgba(255,90,31,.45);background:rgba(255,90,31,.13)}
.pill--cyan{color:var(--cyan);border-color:rgba(77,240,224,.4);background:rgba(77,240,224,.1)}
.pill--gold{color:var(--gold);border-color:rgba(245,184,75,.4);background:rgba(245,184,75,.1)}

.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(23,35,72,.92),rgba(11,16,38,.94));
  padding:clamp(18px,2.4vw,28px);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.card:hover{border-color:rgba(77,240,224,.45)}
.card--tool{border-radius:var(--r-lg)}
.card--flat{background:rgba(17,26,58,.55)}
.card__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.card__body{color:var(--mist);font-size:.95rem;line-height:1.7}
.card__body > *:last-child{margin-bottom:0}

/* ---------- 分节 ---------- */
.section{padding-block:clamp(44px,7vw,96px)}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px 24px;
  margin-bottom:clamp(20px,3vw,34px);
}
.section__title{margin:0}
.section__lead{
  max-width:52ch;
  margin:0;
  color:var(--mist);
  font-size:.95rem;
  line-height:1.75;
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(18px,2.6vw,32px)}
.grid--split{grid-template-columns:1fr}
.grid--halves{grid-template-columns:1fr}
.grid--three{grid-template-columns:1fr}

@media (min-width:680px){
  .grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:780px){
  .grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:960px){
  .grid--split{grid-template-columns:minmax(0,7fr) minmax(0,4fr)}
}
@media (min-width:1000px){
  .grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin:0 0 22px}
.breadcrumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:rgba(167,180,214,.4)}
.breadcrumbs a{color:var(--mist);transition:color .18s ease}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--ice)}

/* ---------- 正文 ---------- */
.prose{
  max-width:68ch;
  color:rgba(234,242,255,.9);
  font-size:1rem;
  line-height:1.8;
}
.prose > *:first-child{margin-top:0}
.prose h2,.prose h3{margin:2em 0 .55em}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{padding-left:1.2em;margin:0 0 1.2em}
.prose li{margin:.4em 0}
.prose strong{color:#fff;font-weight:700}
.prose a{
  color:var(--cyan);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:4px;
  text-decoration-color:rgba(77,240,224,.42);
  transition:text-decoration-color .2s ease;
}
.prose a:hover{text-decoration-color:var(--cyan)}
.prose blockquote{
  margin:1.6em 0;
  padding:.2em 0 .2em 1.2em;
  border-left:2px solid var(--ember);
  color:var(--mist);
}

/* ---------- 图例 ---------- */
.legend{
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  padding:14px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.legend__item{display:inline-flex;align-items:center;gap:8px}
.legend__dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--ember);
  flex:none;
  box-shadow:0 0 10px rgba(255,90,31,.7);
}
.legend__dot--cyan{background:var(--cyan);box-shadow:0 0 10px rgba(77,240,224,.7)}
.legend__dot--gold{background:var(--gold);box-shadow:0 0 10px rgba(245,184,75,.7)}

/* ---------- 章节索引 ---------- */
.side-index{position:relative}
.side-index ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.side-index a{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:8px 10px;
  border-left:2px solid transparent;
  border-radius:0 10px 10px 0;
  font-size:13.5px;
  color:var(--mist);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.side-index a:hover{color:var(--ice);background:rgba(27,42,82,.5)}
.side-index a[aria-current="true"]{
  color:var(--ice);
  border-left-color:var(--ember);
  background:rgba(255,90,31,.08);
}
.side-index__num{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--gold);
  flex:none;
}
@media (min-width:1024px){
  .side-index{position:sticky;top:146px}
}

/* ---------- 图片容器 ---------- */
.figure{
  position:relative;
  display:block;
  margin:0;
  overflow:hidden;
  border:1px solid rgba(27,42,82,.9);
  border-radius:var(--r-lg);
  aspect-ratio:16 / 10;
  isolation:isolate;
  background:
    radial-gradient(120% 120% at 15% 0%,rgba(77,240,224,.16),transparent 55%),
    linear-gradient(155deg,#17234B,#0B1026 58%,#05070F);
}
.figure::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:
    linear-gradient(115deg,transparent 42%,rgba(255,90,31,.18) 42.4%,transparent 52%),
    linear-gradient(to right,rgba(167,180,214,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(167,180,214,.055) 1px,transparent 1px);
  background-size:auto,44px 44px,44px 44px;
}
.figure__media,.figure > img{
  position:absolute;
  inset:0;
  z-index:0;
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:filter .3s ease,brightness .3s ease;
}
.figure:hover .figure__media,.figure:hover > img{filter:brightness(1.08)}
.figure__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  margin:0;
  padding:16px 18px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ice);
  background:linear-gradient(0deg,rgba(5,7,15,.92),rgba(5,7,15,.35) 55%,transparent);
}
.figure--wide{aspect-ratio:21 / 9}
.figure--square{aspect-ratio:1 / 1}
.figure--tall{aspect-ratio:4 / 5}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:200;
  padding:10px 20px;
  border-radius:0 0 12px 12px;
  background:var(--ember);
  color:#0B1026;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  font-weight:700;
  transition:top .2s ease;
}
.skip-link:focus{top:0}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(5,7,15,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}

.scroll-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  z-index:3;
  height:2px;
  width:var(--p,0%);
  pointer-events:none;
  background:linear-gradient(90deg,var(--ember),var(--gold) 55%,var(--cyan));
  box-shadow:0 0 12px rgba(77,240,224,.45);
  transition:width .12s linear;
}

.scorebar{
  background:linear-gradient(90deg,rgba(217,58,30,.22),rgba(5,7,15,0) 42%),var(--ink);
  border-bottom:1px solid rgba(27,42,82,.85);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
}
.scorebar__inner{
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  min-height:52px;
  padding-block:6px;
}
.scorebar__label{
  margin:0;
  flex:none;
  color:var(--ember);
  font-size:10.5px;
  letter-spacing:.2em;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.scorebar__label::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--ember);
  box-shadow:0 0 10px rgba(255,90,31,.9);
}
.scorebar__tabs{display:flex;gap:4px;flex:none}
.score-tab{
  appearance:none;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--mist);
  font:inherit;
  letter-spacing:.14em;
  padding:5px 12px;
  cursor:pointer;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.score-tab:hover{color:var(--ice);border-color:var(--line)}
.score-tab[aria-selected="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#05070F;
  font-weight:700;
}
.scorebar__panels{
  flex:1 1 auto;
  min-width:0;
  display:grid;
}
.score-panel{
  grid-area:1 / 1;
  display:flex;
  align-items:center;
  gap:clamp(8px,1.4vw,14px);
  min-width:0;
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.score-panel[data-active]{opacity:1;visibility:visible}
.score-panel__team{
  max-width:9ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--ice);
}
.score-panel__score{
  font-family:var(--font-score);
  font-size:1.45rem;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
  text-shadow:0 0 16px rgba(77,240,224,.45);
}
.score-panel__score[data-flash]{animation:scoreFlash 3s ease-out 1}
.score-panel__meta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:10.5px;
  letter-spacing:.14em;
  color:var(--mist);
  white-space:nowrap;
}
.score-panel__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  flex:none;
  animation:pulse 2.4s ease-in-out infinite;
}
.scorebar__stamp{
  margin:0 0 0 auto;
  flex:none;
  font-size:10.5px;
  letter-spacing:.14em;
  color:rgba(167,180,214,.72);
  white-space:nowrap;
}

@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(77,240,224,.5)}
  50%{opacity:.55;box-shadow:0 0 0 5px rgba(77,240,224,0)}
}
@keyframes scoreFlash{
  0%{text-shadow:0 0 24px rgba(77,240,224,.95)}
  100%{text-shadow:0 0 16px rgba(77,240,224,.45)}
}

/* ---------- 桅杆层 ---------- */
.masthead{
  position:relative;
  background:linear-gradient(180deg,rgba(17,26,58,.9),rgba(11,16,38,.94));
}
.masthead__inner{
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:78px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:none;
  padding:6px 4px;
  border-radius:var(--r-sm);
}
.brand__mark{
  position:relative;
  width:36px;
  height:36px;
  flex:none;
  border-radius:11px;
  background:linear-gradient(150deg,#FF7A45,var(--ember) 48%,var(--ember-deep));
  box-shadow:0 0 0 1px rgba(255,90,31,.45),0 8px 20px -8px rgba(217,58,30,.85);
  transition:transform .2s ease,box-shadow .2s ease;
}
.brand__mark::before{
  content:"";
  position:absolute;
  inset:8px;
  background:var(--ink);
  clip-path:polygon(50% 0%,92% 46%,62% 100%,50% 66%,38% 100%,8% 46%);
}
.brand:hover .brand__mark{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,90,31,.7),0 10px 24px -8px rgba(255,90,31,.9)}
.brand__word{
  font-size:1.16rem;
  font-weight:700;
  letter-spacing:.05em;
  color:var(--ice);
  line-height:1.2;
}
.brand__latin{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.3em;
  color:rgba(167,180,214,.7);
  padding-left:10px;
  border-left:1px solid var(--line);
  line-height:1.4;
  white-space:nowrap;
}

/* ---------- 导航 ---------- */
.site-nav{display:flex;align-items:center}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:9px 13px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--mist);
  transition:color .18s ease,background .18s ease;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--ember),var(--gold));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.site-nav__link:hover{color:var(--ice);background:rgba(27,42,82,.5)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--ice)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__index{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.12em;
  color:rgba(245,184,75,.85);
  line-height:1;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(27,42,82,.5);
  color:var(--ice);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__bars{
  position:relative;
  width:16px;
  height:2px;
  flex:none;
  border-radius:2px;
  background:var(--ice);
  transition:background .2s ease;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--ice);
  transition:transform .22s ease;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{line-height:1}

/* ---------- 站点页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#111A3A 0%,#0A0F22 46%,var(--ink) 100%);
  color:var(--mist);
}
.footer-band{
  height:5px;
  background:linear-gradient(90deg,var(--ember),var(--gold) 42%,var(--cyan) 76%,rgba(77,240,224,0));
  opacity:.9;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,3.5vw,48px);
  padding-top:clamp(36px,5vw,64px);
  padding-bottom:clamp(28px,4vw,48px);
}
.footer-brand .brand{padding:0;gap:10px}
.footer-brand__text{
  max-width:34ch;
  margin:16px 0 14px;
  font-size:14px;
  line-height:1.78;
  color:rgba(167,180,214,.9);
}
.footer-stamp{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--gold);
}
.footer-col__title{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--ice);
}
.footer-col__title::before{
  content:"";
  width:6px;
  height:6px;
  flex:none;
  border-radius:2px;
  background:var(--ember);
  box-shadow:0 0 10px rgba(255,90,31,.8);
}
.footer-list{
  display:grid;
  gap:9px;
  margin:0;
  padding:0;
  list-style:none;
  font-size:14px;
  line-height:1.6;
}
.footer-list a{
  position:relative;
  display:inline-block;
  color:var(--mist);
  transition:color .18s ease;
}
.footer-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:1px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.footer-list a:hover{color:var(--ice)}
.footer-list a:hover::after{transform:scaleX(1)}
.footer-list--contact li{
  display:grid;
  gap:2px;
  font-size:13.5px;
  line-height:1.65;
  color:rgba(234,242,255,.86);
  word-break:break-word;
}
.footer-key{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--gold);
}
.footer-hint{
  margin:14px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(167,180,214,.7);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-block:20px 26px;
  border-top:1px solid rgba(27,42,82,.85);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(167,180,214,.72);
}
.footer-icp,
.footer-copy{margin:0}

@media (min-width:680px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.6fr .9fr 1.4fr .9fr}
}

/* ---------- 中屏调整 ---------- */
@media (max-width:1024px){
  .brand__latin{display:none}
  .site-nav__link{padding:9px 10px;font-size:14px}
}

/* ---------- 移动导航 ---------- */
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    z-index:20;
    display:block;
    padding:10px var(--gutter) 22px;
    background:rgba(8,13,30,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.9);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .site-nav__link{
    justify-content:flex-start;
    padding:12px 14px;
    border-radius:12px;
    font-size:15px;
  }
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{
    background:rgba(255,90,31,.14);
    color:#fff;
    box-shadow:inset 2px 0 0 var(--ember);
  }
  .masthead__inner{min-height:64px}
  .brand__word{font-size:1.08rem}
  .brand__mark{width:32px;height:32px;border-radius:10px}
}

/* ---------- 小屏比分条 ---------- */
@media (max-width:760px){
  .scorebar__inner{
    flex-wrap:wrap;
    row-gap:6px;
    padding-block:8px;
    min-height:0;
    gap:6px 10px;
  }
  .scorebar__label{display:none}
  .scorebar__panels{order:1;flex-basis:100%}
  .scorebar__tabs{order:2}
  .scorebar__stamp{order:3;margin-left:auto;font-size:10px}
  .score-panel__score{font-size:1.2rem}
  .score-panel__team{max-width:7ch;font-size:10.5px}
  .score-panel__meta{font-size:9.5px}
  .score-tab{padding:4px 10px;font-size:10.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:420px){
  .score-panel__meta{display:none}
  .scorebar__stamp{display:none}
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .score-panel__dot{animation:none;opacity:1}
  .btn:hover,.brand:hover .brand__mark{transform:none}
}