/* ==========================================================================
   FB赛场 · 共享外壳样式 /assets/site.css
   夜色赛场数据面板：深空蓝黑底 / 荧光青结构 / 脉冲橙变化
   ========================================================================== */

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

/* 2. 设计令牌 -------------------------------------------------------------- */
:root{
  /* 色彩 */
  --c-ink:#050A18;
  --c-panel:#0C1730;
  --c-line:#1E2E4D;
  --c-cyan:#22E0D6;
  --c-orange:#FF7A2F;
  --c-teal:#062C33;
  --c-white:#F4F8FF;
  --c-body:#A9B6CC;
  --c-mute:#7E8CA6;
  --c-amber:#FFC24B;

  /* 外壳尺寸 */
  --rail-w:0px;
  --top-h:58px;
  --nav-h:0px;
  --header-h:58px;
  --dock-h:64px;
  --wrap:1260px;
  --gutter:18px;
  --gap:16px;
  --radius:3px;

  /* 字体 */
  --font-sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  /* 字号阶梯 12/14/16/18/22/28/36/48/72/120 */
  --fs-12:12px;--fs-14:14px;--fs-16:16px;--fs-18:18px;--fs-22:22px;

  /* 阴影与光晕 */
  --shadow-panel:0 20px 44px -30px rgba(0,0,0,.95);
  --glow-cyan:0 10px 26px -16px rgba(34,224,214,.85);
  --glow-orange:0 12px 26px -16px rgba(255,122,47,.9);
}
@media (min-width:768px){
  :root{--gutter:28px;--gap:20px;--top-h:56px;--nav-h:0px;--header-h:56px;--dock-h:66px}
}
@media (min-width:1024px){
  :root{--gutter:34px;--gap:24px;--rail-w:104px;--top-h:46px;--nav-h:58px;--header-h:104px;--dock-h:68px}
}

/* 3. 基础排版 -------------------------------------------------------------- */
body{
  min-height:100vh;
  padding-top:var(--header-h);
  padding-left:var(--rail-w);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--c-body);
  background-color:var(--c-ink);
  background-image:
    radial-gradient(900px 520px at 88% -8%, rgba(34,224,214,.10), transparent 62%),
    radial-gradient(760px 520px at -8% 18%, rgba(255,122,47,.06), transparent 60%),
    repeating-linear-gradient(115deg, rgba(30,46,77,.30) 0 1px, transparent 1px 96px);
  background-repeat:no-repeat,no-repeat,repeat;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--c-white);font-weight:900;line-height:1.15;letter-spacing:-.01em}
::selection{background:var(--c-cyan);color:#04141A}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px;border-radius:2px}
[id]{scroll-margin-top:calc(var(--header-h) + 22px)}

.mono,.u-mono,.eyebrow,.tag,.stat__num,.num,.crumbs__list,.footer-legal__meta,
.footer-col__label,.filter-btn,.nav-status,.brand__tagline,.acc__index,.toc__title{font-family:var(--font-mono)}

.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-cyan)}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.75}
.h-display{font-size:clamp(38px,7vw,96px);font-weight:900;line-height:1.02;letter-spacing:-.03em;color:var(--c-white)}
.h-section{font-size:clamp(26px,3.4vw,46px);font-weight:900;color:var(--c-white)}
.h-sub{font-size:var(--fs-22);font-weight:800;color:var(--c-white)}
.lede{font-size:var(--fs-18);line-height:1.75;color:var(--c-body);max-width:68ch}
.text-mute{color:var(--c-mute)}
.text-cyan{color:var(--c-cyan)}
.text-orange{color:var(--c-orange)}

.num{font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;color:var(--c-white)}
.num--xl{font-size:clamp(56px,9vw,120px)}
.num--lg{font-size:clamp(38px,5vw,72px)}
.num--md{font-size:clamp(28px,3.2vw,48px)}
.num--cyan{color:var(--c-cyan)}
.num--orange{color:var(--c-orange)}

/* 4. 布局 ------------------------------------------------------------------ */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;padding-block:clamp(44px,6vw,84px)}
.section--tight{padding-block:clamp(26px,3vw,44px)}
.section--flush{padding-block:0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.divider{height:1px;border:0;background:linear-gradient(90deg,var(--c-line),transparent)}

.grid{display:grid;gap:var(--gap);grid-template-columns:repeat(12,minmax(0,1fr))}
.grid > *{grid-column:1 / -1}
@media (min-width:768px){
  .md-4{grid-column:span 4}
  .md-6{grid-column:span 6}
  .md-8{grid-column:span 8}
}
@media (min-width:1024px){
  .lg-3{grid-column:span 3}
  .lg-4{grid-column:span 4}
  .lg-5{grid-column:span 5}
  .lg-6{grid-column:span 6}
  .lg-7{grid-column:span 7}
  .lg-8{grid-column:span 8}
  .lg-9{grid-column:span 9}
  .lg-12{grid-column:span 12}
}

/* 5. 跳至主要内容 ---------------------------------------------------------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  transform:translateY(-200%);
  padding:10px 16px;border-radius:2px;
  background:var(--c-cyan);color:#04141A;
  font-size:14px;font-weight:700;
  transition:transform .18s ease;
}
.skip-link:focus{transform:none}

/* 6. 头部外壳 -------------------------------------------------------------- */
.site-header{
  position:fixed;top:0;left:var(--rail-w);right:0;z-index:80;
  display:flex;flex-direction:column;
  background:linear-gradient(180deg, rgba(7,13,30,.98), rgba(7,13,30,.94));
  border-bottom:1px solid var(--c-line);
}
.header-top{
  height:var(--top-h);flex:none;
  display:flex;align-items:center;
  border-bottom:1px solid rgba(30,46,77,.7);
}
.header-top__inner{
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand__mark{
  display:grid;place-items:center;width:34px;height:34px;flex:none;
  border:1px solid rgba(34,224,214,.55);border-radius:2px;
  background:rgba(34,224,214,.08);
  font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--c-cyan);
}
.brand__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__name{font-size:17px;font-weight:900;letter-spacing:.03em;color:var(--c-white);line-height:1.2}
.brand__tagline{font-size:11.5px;letter-spacing:.06em;color:var(--c-mute);line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:none}
@media (min-width:768px){.brand__tagline{display:block}}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.header-actions__link{display:none}
@media (min-width:1024px){.header-actions__link{display:inline-flex}}

/* 7. 移动导航按钮 ---------------------------------------------------------- */
.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;flex:none;
  padding:9px 12px;
  border:1px solid var(--c-line);border-radius:2px;
  color:var(--c-white);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:rgba(34,224,214,.55);color:var(--c-cyan)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;background:var(--c-cyan);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}

/* 8. 主导航 ---------------------------------------------------------------- */
.header-nav{height:var(--nav-h);flex:none;display:flex;align-items:stretch;background:rgba(12,23,48,.5)}
.site-nav{
  width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.site-nav__list{display:flex;align-items:center;gap:2px;counter-reset:navidx}
.site-nav__link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:2px;
  font-size:15px;font-weight:500;color:var(--c-body);
  transition:color .18s ease,background-color .18s ease;
}
.site-nav__link::before{
  counter-increment:navidx;content:"0" counter(navidx);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--c-mute);
  transition:color .18s ease;
}
.site-nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--c-cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.site-nav__link:hover{color:var(--c-white);background:rgba(34,224,214,.06)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--c-cyan)}
.site-nav__link[aria-current="page"]::before{color:var(--c-cyan)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav-status{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  font-size:11.5px;letter-spacing:.1em;color:var(--c-mute);
}
.site-nav__actions{display:none}

@media (max-width:1023.98px){
  .site-nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;
    max-width:none;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:16px var(--gutter) calc(var(--dock-h) + 26px);
    background:linear-gradient(180deg,#070E20,#050A18 62%);
    border-top:1px solid var(--c-line);
    overflow-y:auto;-webkit-overflow-scrolling:touch;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .site-nav__item{border-bottom:1px solid rgba(30,46,77,.75)}
  .site-nav__link{width:100%;padding:17px 4px;font-size:18px;font-weight:700;color:var(--c-white)}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{color:var(--c-cyan)}
  .site-nav__actions{display:grid;gap:10px;margin-top:24px}
  .nav-status{margin-top:auto;padding-top:22px}
  body.is-nav-open{overflow:hidden}
}

/* 9. 品牌轨道与滚动进度 ---------------------------------------------------- */
.brand-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:90;
  display:none;flex-direction:column;align-items:center;
  padding:14px 0 18px;
  background:linear-gradient(180deg,#081227,#060C1C);
  border-right:1px solid var(--c-line);
}
@media (min-width:1024px){.brand-rail{display:flex}}
.brand-rail__mark{
  display:grid;place-items:center;width:42px;height:42px;flex:none;
  border:1px solid rgba(34,224,214,.5);border-radius:2px;
  background:rgba(34,224,214,.07);
  box-shadow:inset 0 0 20px -8px rgba(34,224,214,.9);
  font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--c-cyan);
}
.brand-rail__rule{width:1px;flex:1 1 30px;min-height:26px;margin:16px 0;background:linear-gradient(180deg,var(--c-line),transparent)}
.brand-rail__index{display:flex;flex-direction:column;align-items:flex-start;gap:15px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--c-mute)}
.brand-rail__index li{position:relative;padding-left:10px;transition:color .2s ease}
.brand-rail__index li::before{content:"";position:absolute;left:0;top:50%;width:5px;height:1px;background:currentColor;opacity:.6}
.brand-rail__index li.is-current{color:var(--c-cyan)}
.brand-rail__index li.is-current::before{width:9px;background:var(--c-cyan);box-shadow:0 0 8px rgba(34,224,214,.9)}
.brand-rail__track{margin-top:auto;position:relative;width:2px;height:78px;background:rgba(30,46,77,.9);overflow:hidden}
.brand-rail__fill{position:absolute;inset:0;background:linear-gradient(180deg,var(--c-orange),var(--c-cyan))}

.scroll-progress{
  position:fixed;top:0;left:var(--rail-w);right:0;height:2px;z-index:95;
  pointer-events:none;background:rgba(30,46,77,.55);
}
.scroll-progress__bar{display:block;height:100%;background:linear-gradient(90deg,var(--c-cyan),var(--c-orange))}
[data-progress="x"]{transform:scaleX(var(--p,0));transform-origin:left center}
[data-progress="y"]{transform:scaleY(var(--p,0));transform-origin:center bottom}

/* 10. 按钮 ----------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:1px solid var(--c-line);border-radius:2px;
  background:rgba(12,23,48,.6);color:var(--c-white);
  font-size:var(--fs-14);font-weight:600;line-height:1;letter-spacing:.02em;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px);border-color:rgba(34,224,214,.55);box-shadow:var(--glow-cyan)}
.btn--primary{background:var(--c-orange);border-color:var(--c-orange);color:#1A0800;font-weight:700}
.btn--primary:hover{background:#FF8E4C;box-shadow:var(--glow-orange)}
.btn--ghost{background:rgba(34,224,214,.07);border-color:rgba(34,224,214,.38);color:var(--c-cyan)}
.btn--ghost:hover{background:rgba(34,224,214,.15)}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--block{width:100%}

/* 11. 标签与状态 ----------------------------------------------------------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;border:1px solid var(--c-line);border-radius:2px;
  background:rgba(12,23,48,.75);
  font-size:11px;letter-spacing:.08em;color:var(--c-mute);
}
.tag--cyan{color:var(--c-cyan);border-color:rgba(34,224,214,.4);background:rgba(34,224,214,.07)}
.tag--orange{color:var(--c-orange);border-color:rgba(255,122,47,.42);background:rgba(255,122,47,.08)}
.tag--amber{color:var(--c-amber);border-color:rgba(255,194,75,.4);background:rgba(255,194,75,.08)}
.pulse-dot{
  width:8px;height:8px;flex:none;border-radius:50%;background:var(--c-cyan);
  animation:pulseDot 3s ease-in-out infinite;
}
@keyframes pulseDot{
  0%,100%{opacity:.7;box-shadow:0 0 0 0 rgba(34,224,214,.55)}
  50%{opacity:1;box-shadow:0 0 0 9px rgba(34,224,214,0)}
}
.is-live{border-color:rgba(34,224,214,.5);animation:breathe 3s ease-in-out infinite}
@keyframes breathe{
  0%,100%{border-color:rgba(34,224,214,.22)}
  50%{border-color:rgba(34,224,214,.72)}
}

/* 12. 专题研究板组件 ------------------------------------------------------- */
.panel{
  position:relative;
  padding:22px;border:1px solid var(--c-line);border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(12,23,48,.94), rgba(8,16,34,.94));
  box-shadow:var(--shadow-panel);
}
.panel--stack::after{
  content:"";position:absolute;left:12px;right:-12px;top:12px;bottom:-12px;
  border-right:1px solid rgba(34,224,214,.24);
  border-bottom:1px solid rgba(34,224,214,.24);
  border-radius:0 var(--radius) var(--radius) 0;
  pointer-events:none;
}
.panel__head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}

.card{
  position:relative;
  padding:22px 20px 18px;border:1px solid var(--c-line);border-radius:var(--radius);
  background:rgba(12,23,48,.62);
  transition:border-color .2s ease,transform .2s ease,background-color .2s ease;
}
.card:hover{border-color:rgba(34,224,214,.4);background:rgba(12,23,48,.85);transform:translateY(-2px)}
.card__index{
  position:absolute;top:-1px;left:-1px;
  padding:3px 9px;
  border:1px solid var(--c-line);border-top-left-radius:var(--radius);border-bottom-right-radius:var(--radius);
  background:var(--c-panel);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--c-cyan);
}
.card__title{margin-top:10px;font-size:var(--fs-18);font-weight:800;color:var(--c-white)}
.card__text{margin-top:8px;font-size:15px;color:var(--c-body)}

.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
@media (max-width:479.98px){.stat-grid{grid-template-columns:1fr}}
.stat{padding:13px 14px;border:1px solid var(--c-line);border-radius:var(--radius);background:rgba(6,44,51,.45)}
.stat__num{font-size:28px;font-weight:800;line-height:1.1;color:var(--c-cyan);font-variant-numeric:tabular-nums}
.stat__label{margin-top:4px;font-size:13px;color:var(--c-mute)}

/* 13. 图片容器 ------------------------------------------------------------- */
.media{
  position:relative;overflow:hidden;
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:
    repeating-linear-gradient(135deg, rgba(34,224,214,.07) 0 1px, transparent 1px 14px),
    linear-gradient(140deg,#0A1428,#050A18 55%,#062C33);
}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--1x1{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:3 / 4}
.media img,.media svg,.media video{width:100%;height:100%;object-fit:cover}
.media__cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 14px;font-size:13px;color:var(--c-mute);
  background:linear-gradient(180deg,transparent,rgba(5,10,24,.92));
}
.media__tag{position:absolute;top:10px;left:10px}

/* 14. 面包屑 --------------------------------------------------------------- */
.crumbs{margin-bottom:18px}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--c-mute)}
.crumbs__list li+li::before{content:"/";margin-right:8px;color:var(--c-line)}
.crumbs a:hover{color:var(--c-cyan)}
.crumbs [aria-current="page"]{color:var(--c-white)}

/* 15. 标签筛选条 ----------------------------------------------------------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:10px;margin-bottom:22px;
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:rgba(12,23,48,.62);
}
.filter-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 13px;border:1px solid transparent;border-radius:2px;
  background:rgba(5,10,24,.6);
  font-size:12px;letter-spacing:.08em;color:var(--c-mute);
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.filter-btn:hover{color:var(--c-white);border-color:var(--c-line)}
.filter-btn.is-active,.filter-btn[aria-pressed="true"]{background:var(--c-cyan);border-color:var(--c-cyan);color:#04141A}
.filter-btn:disabled{opacity:.4;cursor:not-allowed}
.filter-btn__count{
  padding-left:7px;border-left:1px solid currentColor;
  font-size:11px;opacity:.8;font-variant-numeric:tabular-nums;
}
.filter-empty{padding:26px;text-align:center;font-size:14px;color:var(--c-mute);border:1px dashed var(--c-line);border-radius:var(--radius)}

/* 16. 折叠面板 ------------------------------------------------------------- */
.acc{border:1px solid var(--c-line);border-radius:var(--radius);background:rgba(12,23,48,.55);overflow:hidden}
.acc+.acc{margin-top:10px}
.acc__trigger{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:16px 18px;text-align:left;
  font-size:var(--fs-16);font-weight:700;color:var(--c-white);
  transition:background-color .18s ease;
}
.acc__trigger:hover{background:rgba(34,224,214,.06)}
.acc__index{flex:none;font-size:12px;color:var(--c-cyan)}
.acc__sign{position:relative;flex:none;margin-left:auto;width:14px;height:14px}
.acc__sign::before,.acc__sign::after{content:"";position:absolute;background:var(--c-cyan);transition:transform .2s ease}
.acc__sign::before{left:0;right:0;top:6px;height:2px}
.acc__sign::after{top:0;bottom:0;left:6px;width:2px}
.acc__trigger[aria-expanded="true"] .acc__sign::after{transform:scaleY(0)}
.acc__panel{padding:0 18px 18px;animation:accIn .24s ease}
.acc__panel p{max-width:68ch;font-size:15px}
@keyframes accIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* 17. 侧边锚点目录 --------------------------------------------------------- */
.toc{position:sticky;top:calc(var(--header-h) + 24px)}
.toc__title{margin-bottom:12px;font-size:12px;letter-spacing:.14em;color:var(--c-mute)}
.toc__list{display:grid;gap:2px;border-left:1px solid var(--c-line)}
.toc__link{
  display:block;margin-left:-1px;padding:7px 12px;
  border-left:2px solid transparent;
  font-size:14px;color:var(--c-mute);
  transition:color .18s ease,border-color .18s ease;
}
.toc__link:hover{color:var(--c-white)}
.toc__link.is-active{color:var(--c-cyan);border-left-color:var(--c-cyan)}

/* 18. 长文排版 ------------------------------------------------------------- */
.prose{max-width:68ch;font-size:17px;line-height:1.8;color:var(--c-body)}
.prose h2{margin:2.1em 0 .7em;font-size:28px}
.prose h3{margin:1.8em 0 .6em;font-size:var(--fs-22)}
.prose p{margin-bottom:1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.5em}
.prose strong{color:var(--c-white)}
.prose a{color:var(--c-cyan);border-bottom:1px solid rgba(34,224,214,.4)}
.prose blockquote{
  margin:1.4em 0;padding:14px 18px;
  border-left:3px solid var(--c-orange);
  background:rgba(12,23,48,.6);color:var(--c-white);
}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}

/* 19. 滚动显现 ------------------------------------------------------------- */
.is-js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.is-js [data-reveal].is-visible{opacity:1;transform:none}

/* 20. 页脚 ----------------------------------------------------------------- */
.site-footer{
  position:relative;
  margin-top:auto;
  padding-block:clamp(40px,5vw,72px) calc(var(--dock-h) + 42px);
  background:linear-gradient(180deg, rgba(6,12,28,.55), rgba(5,10,24,1) 42%);
  border-top:1px solid var(--c-line);
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:28px;
  padding-bottom:30px;
  border-bottom:1px solid rgba(30,46,77,.85);
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:36px}}

.footer-brand__mark{
  display:grid;place-items:center;width:44px;height:44px;
  border:1px solid rgba(34,224,214,.5);border-radius:2px;
  background:rgba(34,224,214,.07);
  font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--c-cyan);
}
.footer-brand__name{margin-top:14px;font-size:20px;font-weight:900;color:var(--c-white)}
.footer-brand__desc{margin-top:8px;max-width:34ch;font-size:14px;color:var(--c-body)}
.footer-brand__stamp{
  display:inline-block;margin-top:14px;padding:4px 10px;
  border:1px solid rgba(34,224,214,.32);border-radius:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--c-cyan);
}
.footer-col__title{
  margin-bottom:12px;
  font-family:var(--font-mono);font-size:12px;font-weight:400;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-mute);
}
.footer-col__list a{
  display:inline-block;padding:5px 0;
  font-size:15px;color:var(--c-body);
  transition:color .18s ease,transform .18s ease;
}
.footer-col__list a:hover{color:var(--c-cyan);transform:translateX(3px)}
.footer-col__list--text li{
  display:flex;gap:10px;align-items:flex-start;
  padding:6px 0;font-size:14px;color:var(--c-body);word-break:break-all;
}
.footer-col__label{flex:none;min-width:32px;padding-top:3px;font-size:11px;letter-spacing:.08em;color:var(--c-mute)}
.footer-col--support .btn{margin-top:14px}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 26px;padding-top:22px;
}
.footer-legal__note{flex:1 1 340px;max-width:64ch;font-size:13px;color:var(--c-mute)}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:18px;font-size:12px;letter-spacing:.06em;color:var(--c-body)}
.footer-legal__links a:hover{color:var(--c-cyan)}
.footer-legal__meta{width:100%;font-size:12px;letter-spacing:.06em;color:var(--c-mute)}

/* 21. 悬浮快捷条 ----------------------------------------------------------- */
.quick-dock{
  position:fixed;left:var(--rail-w);right:0;bottom:0;z-index:75;
  border-top:1px solid rgba(34,224,214,.35);
  background:linear-gradient(90deg,#062C33,#08122A);
}
.quick-dock__inner{
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:9px var(--gutter);
  display:flex;align-items:center;gap:10px;
}
.quick-dock__hint{
  display:none;margin-right:auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--c-mute);
}
@media (min-width:768px){.quick-dock__hint{display:inline}}
.quick-dock__btn{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 18px;border-radius:2px;
  font-size:15px;font-weight:700;
  transition:transform .18s ease,filter .18s ease;
}
.quick-dock__btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.quick-dock__btn--cyan{background:var(--c-cyan);color:#04141A}
.quick-dock__btn--orange{background:var(--c-orange);color:#1A0800}
@media (min-width:768px){.quick-dock__btn{flex:0 0 auto;min-width:158px}}

/* 22. 减弱动效 ------------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  html{scroll-behavior:auto}
  .is-js [data-reveal]{opacity:1!important;transform:none!important}
  .btn:hover,.card:hover,.quick-dock__btn:hover,.footer-col__list a:hover{transform:none}
}