/* =========================================================
   迈博体育赛场 · 共享样式表 /assets/site.css
   夜场记分牌体系：深墨蓝底 · 荧光绿主强调 · 电光橙次强调
   ========================================================= */

/* ---------- 01 设计变量 ---------- */
:root{
  --ink-950:#050B16;
  --ink-900:#0A1526;
  --ink-800:#0F1F3A;
  --steel:#16294A;
  --paper:#EAF2FF;
  --muted:#93A6C4;
  --neon:#35F08A;
  --neon-strong:#57F3A2;
  --neon-ink:#062418;
  --orange:#FF7A2F;
  --amber:#FFC24D;
  --neon-soft:rgba(53,240,138,.16);
  --orange-soft:rgba(255,122,47,.16);

  --radius-xs:8px;
  --radius-sm:12px;
  --radius-md:20px;
  --radius-lg:30px;
  --radius-xl:44px;
  --radius-pill:999px;

  --header-h:78px;
  --header-h-solid:64px;
  --dock-w:64px;
  --mobile-bar-h:62px;
  --maxw:1340px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:180ms;

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

/* ---------- 02 重置与中文排版 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 1rem);
}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:1.0625rem;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--paper);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1100px 620px at 84% -6%, rgba(53,240,138,.13), transparent 62%),
    radial-gradient(880px 520px at -8% 24%, rgba(255,122,47,.09), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 92%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit;background:none;border:0}
button{cursor:pointer}
table{border-collapse:collapse;width:100%}
strong,b{font-weight:700}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:var(--radius-xs)}
::selection{background:var(--neon);color:var(--neon-ink)}

h1,h2,h3{font-family:var(--font-display);font-weight:900;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(3.2rem,9vw,7.5rem)}
h2{font-size:clamp(2rem,4vw,3.2rem)}
h3{font-size:1.35rem;font-weight:800;letter-spacing:-.01em}

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

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.02em}
.eyebrow{font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.lede{max-width:38ch;font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.8;color:#C3D2EA}
.divider{height:1px;background:var(--steel);border:0;margin:0}

.skip-link{
  position:fixed;top:-120px;left:1rem;z-index:200;
  padding:.75rem 1.35rem;border-radius:var(--radius-pill);
  background:var(--neon);color:var(--neon-ink);font-weight:700;font-size:.95rem;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:.85rem}

/* ---------- 03 布局容器 ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,4.5rem)}
.site-main{display:block;padding-top:var(--header-h);min-height:60vh}
.site-main--flush{padding-top:0}

.section{padding-block:clamp(3rem,7vw,6.5rem)}
.section__head{
  display:grid;grid-template-columns:auto minmax(0,1fr);
  gap:clamp(1rem,3vw,2.5rem);align-items:start;
  border-top:1px solid var(--steel);padding-top:1.4rem;
}
.section__index{
  font-family:var(--font-mono);font-size:clamp(1.6rem,3vw,2.6rem);font-weight:700;line-height:1;
  color:rgba(53,240,138,.34);
  -webkit-text-stroke:1px var(--neon);
  letter-spacing:.02em;
}
.section__title{font-size:clamp(1.6rem,3vw,2.5rem)}
.section__lede{margin-top:.6rem;max-width:42ch;color:var(--muted)}

.page-head{padding-block:clamp(2.5rem,6vw,5rem) clamp(1.25rem,3vw,2.25rem)}
.page-head__title{font-size:clamp(2.2rem,5vw,4.2rem)}
.page-head__lede{margin-top:1rem;max-width:40ch;color:#C3D2EA}

/* ---------- 04 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header__inner{
  position:relative;
  display:flex;align-items:center;gap:clamp(1rem,3vw,2.5rem);
  width:100%;max-width:var(--maxw);margin-inline:auto;
  min-height:var(--header-h);
  padding-inline:clamp(1.25rem,5vw,4.5rem);
  transition:min-height var(--dur) var(--ease);
}
.site-header.is-solid{
  background:rgba(10,21,38,.94);
  border-bottom-color:var(--steel);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header.is-solid .site-header__inner{min-height:var(--header-h-solid)}

.brand{display:inline-flex;align-items:center;gap:.75rem;flex:0 0 auto}
.brand__mark{
  position:relative;display:block;width:38px;height:38px;flex:0 0 38px;
  border:1px solid var(--steel);border-radius:var(--radius-sm);
  background:linear-gradient(150deg,var(--ink-800),var(--ink-950));
  transition:border-color var(--dur) var(--ease);
}
.brand__mark::before{
  content:"";position:absolute;inset:6px;border-radius:6px 6px 12px 6px;
  background:linear-gradient(140deg,var(--neon),rgba(53,240,138,.15));
}
.brand__pip{position:absolute;right:-4px;top:-4px;width:10px;height:10px;border-radius:var(--radius-pill);background:var(--orange)}
.brand:hover .brand__mark,.brand:focus-visible .brand__mark{border-color:var(--neon)}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__name{font-family:var(--font-display);font-size:1.05rem;font-weight:900;letter-spacing:.02em}
.brand__tagline{font-size:.75rem;letter-spacing:.18em;color:var(--muted)}

.nav{display:flex;align-items:center;min-width:0}
.nav__list{display:flex;align-items:center;gap:clamp(.5rem,1.6vw,1.4rem)}
.nav__item{min-width:0}
.nav__link{
  position:relative;display:inline-block;padding:.55rem .15rem;
  font-size:.95rem;font-weight:500;color:var(--muted);
  transition:color var(--dur) var(--ease);
  white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:.25rem;width:100%;height:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav__link:hover,.nav__link:focus-visible{color:var(--paper)}
.nav__link:hover::after,.nav__link:focus-visible::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--paper);font-weight:700}
.nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--neon)}
.nav__link[aria-current="page"]::before{
  content:"";position:absolute;top:0;left:50%;width:16px;height:2px;
  transform:translateX(-50%);background:var(--orange);border-radius:var(--radius-pill);
}
.nav__foot{display:none}

.header-actions{display:flex;align-items:center;gap:clamp(.5rem,1.5vw,1.1rem);margin-left:auto;flex:0 0 auto}
.header-ticker{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.4rem 1rem;border:1px solid var(--steel);border-radius:var(--radius-pill);
  font-size:.8125rem;color:var(--muted);white-space:nowrap;
}
.header-ticker__dot{width:7px;height:7px;border-radius:var(--radius-pill);background:var(--orange);flex:0 0 7px}
.header-cta{white-space:nowrap}

.nav-toggle{
  display:none;align-items:center;gap:.55rem;
  padding:.55rem .9rem;border:1px solid var(--steel);border-radius:var(--radius-pill);
  font-size:.8125rem;letter-spacing:.12em;color:var(--paper);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--neon);color:var(--neon)}
.nav-toggle.is-active{border-color:var(--neon);color:var(--neon)}
.nav-toggle__bars{position:relative;display:inline-block;width:18px;height:14px;flex:0 0 18px}
.nav-toggle__bars span{
  position:absolute;left:0;width:100%;height:2px;border-radius:2px;background:currentColor;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle__bars span:nth-child(1){top:0}
.nav-toggle__bars span:nth-child(2){top:6px}
.nav-toggle__bars span:nth-child(3){top:12px}
.nav-toggle.is-active .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle.is-active .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle__label{line-height:1}

/* ---------- 05 侧边 / 底部快捷入口条 ---------- */
.dock{
  position:fixed;left:0;top:50%;z-index:55;
  transform:translateY(-50%);
  display:flex;flex-direction:column;gap:.35rem;
  width:var(--dock-w);padding:.6rem .5rem;
  background:rgba(5,11,22,.82);
  border:1px solid var(--steel);border-left:0;
  border-radius:0 var(--radius-lg) var(--radius-lg) 0;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.dock__label{
  writing-mode:vertical-rl;text-orientation:mixed;
  align-self:center;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.22em;
  color:var(--muted);
  padding-bottom:.35rem;border-bottom:1px solid var(--steel);
}
.dock__list{display:flex;flex-direction:column;gap:.2rem}
.dock__link{
  display:flex;align-items:center;gap:.35rem;
  padding:.5rem .45rem;border:1px solid transparent;border-radius:var(--radius-pill);
  color:var(--muted);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.dock__index{font-family:var(--font-mono);font-size:.65rem;color:var(--neon);flex:0 0 auto}
.dock__text{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-size:.75rem;letter-spacing:.16em;
}
.dock__link:hover,.dock__link:focus-visible{color:var(--paper);border-color:var(--neon);background:var(--neon-soft)}
.dock__link[aria-current="page"]{color:var(--neon);border-color:var(--neon)}

/* ---------- 06 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(3rem,7vw,6rem);
  background:var(--ink-950);
  border-top:1px solid var(--steel);
  overflow:hidden;
}
.site-footer__glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 320px at 10% 0%, rgba(53,240,138,.14), transparent 66%),
    radial-gradient(720px 300px at 90% 100%, rgba(255,122,47,.12), transparent 70%),
    linear-gradient(112deg, transparent 33.8%, rgba(22,41,74,.6) 34%, transparent 34.4%);
}
.site-footer__inner{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1.7fr) minmax(0,1.3fr);
  gap:clamp(1.75rem,3.4vw,3rem);
  padding-block:clamp(2.5rem,5vw,4.25rem);
}
.footer-brand{display:flex;flex-direction:column;gap:.6rem;max-width:36ch}
.footer-brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:var(--radius-sm);
  border:1px solid var(--steel);
  background:linear-gradient(150deg,var(--ink-800),var(--ink-950));
  font-family:var(--font-mono);font-size:.9rem;font-weight:700;color:var(--neon);letter-spacing:.06em;
}
.footer-brand__name{font-family:var(--font-display);font-size:1.3rem;font-weight:900;letter-spacing:.02em}
.footer-brand__desc{font-size:.95rem;color:var(--muted)}
.footer-brand__meta{font-size:.8125rem;color:var(--muted);letter-spacing:.06em}

.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}
.footer-col{min-width:0}
.footer-col__title{
  font-family:var(--font-mono);font-size:.75rem;font-weight:600;letter-spacing:.2em;
  color:var(--orange);margin-bottom:.9rem;
}
.footer-links{display:flex;flex-direction:column;gap:.55rem}
.footer-link{
  position:relative;display:inline-block;
  font-size:.95rem;color:var(--muted);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-link::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--neon);
  transform:translateY(-50%);transition:width var(--dur) var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--paper);padding-left:1rem}
.footer-link:hover::before,.footer-link:focus-visible::before{width:.7rem}

.footer-contact__list{display:flex;flex-direction:column;gap:.7rem}
.footer-contact__row{
  display:grid;grid-template-columns:3.4rem minmax(0,1fr) auto;
  gap:.6rem;align-items:baseline;
  padding-bottom:.7rem;border-bottom:1px solid var(--steel);
  font-size:.9rem;
}
.footer-contact__key{font-size:.75rem;letter-spacing:.16em;color:var(--muted)}
.footer-contact__val{color:var(--paper);word-break:break-word}
.copy-btn{
  padding:.25rem .7rem;border:1px solid var(--steel);border-radius:var(--radius-pill);
  font-size:.72rem;letter-spacing:.1em;color:var(--muted);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.copy-btn:hover,.copy-btn:focus-visible{border-color:var(--neon);color:var(--neon)}
.copy-btn.is-done{background:var(--neon);border-color:var(--neon);color:var(--neon-ink)}

.footer-legal{border-top:1px solid var(--steel);background:rgba(5,11,22,.6)}
.footer-legal__inner{
  display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;
  padding-block:1.1rem;
}
.footer-legal__line{font-size:.8125rem;color:var(--muted)}
.footer-legal__line:last-child{margin-left:auto}

/* ---------- 07 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.6rem;border:1px solid transparent;border-radius:var(--radius-pill);
  font-size:.95rem;font-weight:700;letter-spacing:.02em;line-height:1.2;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--neon);color:var(--neon-ink)}
.btn--primary:hover,.btn--primary:focus-visible{background:var(--neon-strong)}
.btn--ghost{border-color:var(--steel);color:var(--paper)}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--neon);color:var(--neon)}
.btn--orange{border-color:rgba(255,122,47,.7);color:var(--orange)}
.btn--orange:hover,.btn--orange:focus-visible{background:var(--orange);border-color:var(--orange);color:var(--ink-950)}
.btn--sm{padding:.5rem 1.1rem;font-size:.85rem}
.btn--block{width:100%}

/* ---------- 08 面包屑与胶囊 ---------- */
.breadcrumb{padding-block:1.25rem}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.8125rem}
.breadcrumb__item{display:inline-flex;align-items:center;gap:.5rem;color:var(--muted)}
.breadcrumb__item+.breadcrumb__item::before{content:"/";color:var(--steel)}
.breadcrumb__link{color:var(--muted);transition:color var(--dur) var(--ease)}
.breadcrumb__link:hover,.breadcrumb__link:focus-visible{color:var(--neon)}
.breadcrumb__item[aria-current="page"]{color:var(--paper)}

.chip{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.35rem .9rem;border:1px solid var(--steel);border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.04em;color:var(--muted);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
button.chip:hover{border-color:var(--neon);color:var(--neon)}
.chip--neon{border-color:rgba(53,240,138,.55);color:var(--neon)}
.chip--orange{border-color:rgba(255,122,47,.6);color:var(--orange)}
.chip[aria-pressed="true"],.chip.is-active,.chip--solid{background:var(--neon);border-color:var(--neon);color:var(--neon-ink);font-weight:700}

/* ---------- 09 网格与卡片 ---------- */
.grid{display:grid;gap:clamp(1rem,2vw,1.6rem)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(205px,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

.card{
  position:relative;
  display:flex;flex-direction:column;gap:.55rem;
  padding:clamp(1.25rem,2.4vw,1.9rem);
  background:var(--ink-800);
  border:1px solid var(--steel);border-radius:var(--radius-lg);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.card:hover,.card:focus-within{transform:translateY(-6px);border-color:var(--neon)}
.card--accent{border-color:rgba(53,240,138,.5);background:linear-gradient(160deg,rgba(15,31,58,1),rgba(6,36,24,.85))}
.card__index{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.14em;color:var(--neon)}
.card__title{font-family:var(--font-display);font-size:1.35rem;font-weight:800;line-height:1.35}
.card__text{font-size:.98rem;color:var(--muted)}
.card__meta{font-family:var(--font-mono);font-size:.8rem;color:var(--muted);letter-spacing:.04em}

/* ---------- 10 数字与索引 ---------- */
.stat{display:flex;flex-direction:column;gap:.3rem}
.stat__value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700;line-height:1;letter-spacing:.02em}
.stat__value--neon{color:var(--neon)}
.stat__label{font-size:.8125rem;letter-spacing:.1em;color:var(--muted)}

.index-list{border-top:1px solid var(--steel)}
.index-list__item{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  gap:clamp(.75rem,2vw,1.5rem);align-items:baseline;
  padding:1rem .35rem;border-bottom:1px solid var(--steel);
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.index-list__item:hover,.index-list__item:focus-within{background:rgba(22,41,74,.5);padding-left:1.1rem}
.index-list__num{font-family:var(--font-mono);font-size:.85rem;color:var(--neon)}
.index-list__title{font-weight:600}
.index-list__meta{font-family:var(--font-mono);font-size:.8125rem;color:var(--muted)}

.jump-list{display:flex;flex-wrap:wrap;gap:.5rem}
.jump-list__link{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.4rem .95rem;border:1px solid var(--steel);border-radius:var(--radius-pill);
  font-size:.85rem;color:var(--muted);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.jump-list__link:hover,.jump-list__link:focus-visible{border-color:var(--neon);color:var(--paper)}

.chapter-nav{display:flex;flex-wrap:wrap;gap:.4rem}
.chapter-nav__link{
  padding:.35rem .85rem;border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:.78rem;color:var(--muted);
  border:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.chapter-nav__link:hover{color:var(--paper)}
.chapter-nav__link.is-active{color:var(--neon-ink);background:var(--neon);border-color:var(--neon);font-weight:700}

/* ---------- 11 图片容器 ---------- */
.media{
  position:relative;overflow:hidden;
  border:1px solid var(--steel);border-radius:var(--radius-lg);
  background:linear-gradient(150deg,var(--ink-800),var(--ink-950));
  isolation:isolate;
}
.media::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(115deg,transparent 44%,rgba(53,240,138,.14) 44.4%,transparent 45%),
    radial-gradient(70% 85% at 82% 104%, rgba(255,122,47,.18), transparent 68%),
    radial-gradient(60% 70% at 12% -10%, rgba(53,240,138,.16), transparent 70%);
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--21x9{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media img,.media video{width:100%;height:100%;object-fit:cover}
.media__tag{
  position:absolute;left:1rem;top:1rem;z-index:2;
  padding:.28rem .8rem;border-radius:var(--radius-pill);
  background:rgba(5,11,22,.78);border:1px solid var(--steel);
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;color:var(--neon);
}
.media__caption{
  position:absolute;left:1rem;bottom:1rem;z-index:2;max-width:calc(100% - 2rem);
  padding:.3rem .85rem;border-radius:var(--radius-pill);
  background:rgba(5,11,22,.78);border:1px solid var(--steel);
  font-size:.8125rem;color:var(--paper);
}

/* ---------- 12 表格与问答 ---------- */
.data-table{
  border:1px solid var(--steel);border-radius:var(--radius-md);overflow:hidden;
  font-size:.95rem;
}
.data-table caption{caption-side:top;text-align:left;padding:.75rem .2rem;color:var(--muted);font-size:.8125rem;letter-spacing:.1em}
.data-table th,.data-table td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--steel)}
.data-table thead th{background:var(--ink-800);font-size:.78rem;font-weight:600;letter-spacing:.14em;color:var(--paper)}
.data-table tbody tr{transition:background var(--dur) var(--ease)}
.data-table tbody tr:hover{background:rgba(22,41,74,.5)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .num{color:var(--neon)}

.faq{border-top:1px solid var(--steel)}
.faq__item{border-bottom:1px solid var(--steel)}
.faq__q{
  display:flex;align-items:baseline;gap:1rem;width:100%;
  padding:1.15rem .35rem;text-align:left;
  font-family:var(--font-display);font-size:1.05rem;font-weight:700;
  transition:color var(--dur) var(--ease);
  list-style:none;
}
.faq__q::-webkit-details-marker{display:none}
.faq__q::after{content:"+";margin-left:auto;font-family:var(--font-mono);font-size:1.15rem;color:var(--neon)}
.faq__item[open] .faq__q::after{content:"–"}
.faq__q:hover,.faq__q:focus-visible{color:var(--neon)}
.faq__a{padding:0 .35rem 1.3rem 1.7rem;color:var(--muted);max-width:72ch}

/* ---------- 13 动效与进度 ---------- */
.scroll-progress{
  position:fixed;left:0;top:0;z-index:80;
  width:100%;height:3px;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--neon),var(--orange));
  pointer-events:none;
}
.reveal{opacity:1;transform:none}
.has-js .reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.has-js .reveal.is-in{opacity:1;transform:none}

/* ---------- 14 响应式 ---------- */
@media (max-width:1180px){
  .header-ticker{display:none}
}
@media (max-width:1080px){
  .site-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:960px){
  :root{--header-h:70px}
  .site-header{
    background:linear-gradient(180deg,rgba(5,11,22,.94),rgba(5,11,22,.62) 72%,rgba(5,11,22,0));
  }
  .site-header.is-solid{background:rgba(10,21,38,.96)}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    display:block;
    background:var(--ink-950);
    border-top:1px solid var(--steel);border-bottom:1px solid var(--steel);
    padding:.5rem clamp(1.25rem,5vw,4.5rem) 1.4rem;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
  }
  .nav[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__item{border-bottom:1px solid var(--steel)}
  .nav__item:last-child{border-bottom:0}
  .nav__link{display:block;padding:1rem 0;font-size:1.05rem;color:var(--paper)}
  .nav__link::after{bottom:.6rem;width:2.5rem}
  .nav__link[aria-current="page"]::before{left:0;transform:none;top:50%;margin-top:-1px;width:1.1rem}
  .nav__link[aria-current="page"]{color:var(--neon)}
  .nav__foot{
    display:block;margin-top:1.1rem;
    font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;color:var(--muted);
  }
  .dock{
    top:auto;bottom:0;left:0;right:0;width:100%;
    transform:none;flex-direction:row;align-items:center;justify-content:center;
    padding:.45rem clamp(.5rem,3vw,1rem) calc(.45rem + env(safe-area-inset-bottom));
    border:0;border-top:1px solid var(--steel);
    border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  }
  .dock__label{display:none}
  .dock__list{flex-direction:row;justify-content:space-between;gap:.15rem;width:100%}
  .dock__item{flex:1 1 0;min-width:0}
  .dock__link{flex-direction:column;gap:.1rem;padding:.4rem .2rem;border-radius:var(--radius-sm)}
  .dock__index{font-size:.62rem}
  .dock__text{writing-mode:horizontal-tb;font-size:.72rem;letter-spacing:.02em;white-space:nowrap}
  body{padding-bottom:calc(var(--mobile-bar-h) + env(safe-area-inset-bottom))}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3,.span-4,.span-5{grid-column:span 3}
  .span-6,.span-7,.span-8{grid-column:span 6}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-legal__line:last-child{margin-left:0}
}
@media (max-width:640px){
  .brand__tagline{display:none}
  .site-footer__inner{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-template-columns:minmax(0,1fr);gap:1.75rem}
  .footer-contact__row{grid-template-columns:1fr auto;row-gap:.25rem}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 2}
  .section__head{grid-template-columns:minmax(0,1fr);gap:.6rem}
  .index-list__item{grid-template-columns:auto minmax(0,1fr);row-gap:.25rem}
  .index-list__meta{grid-column:2}
}

/* ---------- 15 无障碍与减动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .has-js .reveal{opacity:1;transform:none}
  .card:hover,.card:focus-within{transform:none}
}