/* ============================================================
   金多宝体育 · 共享样式 /assets/site.css
   主题：深夜球场指挥台 · 战术板 · 电子记分牌
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --jb-ink:#0B1F1A;
  --jb-ink-deep:#07130F;
  --jb-board:#122E26;
  --jb-line:#1E4A3C;
  --jb-neon:#2EFFB5;
  --jb-gold:#F5C451;
  --jb-gold-pulse:#FFD97A;
  --jb-brick:#C25A4E;
  --jb-body:#A8C4B8;
  --jb-white:#F2F7F4;
  --jb-shell:1200px;
  --jb-gutter:clamp(16px,4vw,40px);
  --jb-radius:4px;
  --jb-font-body:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --jb-font-head:"PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --jb-font-mono:ui-monospace,"SF Mono",SFMono-Regular,"Roboto Mono","JetBrains Mono",Menlo,Consolas,monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html[data-nav-open]{overflow:hidden;}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
img,svg,video{display:block;max-width:100%;height:auto;}
[hidden]{display:none !important;}
:focus-visible{outline:2px solid var(--jb-gold);outline-offset:2px;border-radius:2px;}

/* ---------- 3. 中文排版基线 ---------- */
body{
  min-height:100vh;
  background-color:var(--jb-ink);
  background-image:
    linear-gradient(180deg,rgba(46,255,181,.06),rgba(46,255,181,0) 340px),
    repeating-linear-gradient(90deg,rgba(30,74,60,.22) 0 1px,transparent 1px 96px);
  color:var(--jb-body);
  font-family:var(--jb-font-body);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--jb-font-head);font-weight:800;color:var(--jb-white);line-height:1.15;letter-spacing:-.01em;}
.jb-display{font-size:clamp(34px,7vw,64px);font-weight:900;line-height:1.02;letter-spacing:-.03em;}
.jb-h1{font-size:clamp(28px,4.6vw,48px);}
.jb-h2{font-size:clamp(22px,3.2vw,36px);}
.jb-h3{font-size:clamp(18px,2.2vw,22px);}
.jb-lede{font-size:clamp(16px,1.6vw,19px);line-height:1.85;color:var(--jb-body);max-width:62ch;}
.jb-note{font-size:12px;line-height:1.7;color:rgba(168,196,184,.66);}
.jb-prose{max-width:72ch;}
.jb-prose p{margin-bottom:1.1em;}
.jb-prose h2,.jb-prose h3{margin:1.6em 0 .6em;}
.jb-prose a{color:var(--jb-neon);border-bottom:1px solid rgba(46,255,181,.35);}
.jb-prose a:hover{border-bottom-color:var(--jb-neon);}
.jb-prose ul,.jb-prose ol{display:grid;gap:.5em;padding-left:1.2em;}
.jb-prose ul{list-style:square;}
.jb-prose ol{list-style:decimal;}

/* ---------- 4. 布局骨架 ---------- */
.jb-shell{width:100%;max-width:var(--jb-shell);margin-inline:auto;padding-inline:var(--jb-gutter);}
.jb-main{display:block;padding-block:clamp(20px,3vw,36px) clamp(48px,7vw,96px);}
#main-content:focus:not(:focus-visible){outline:none;}

.jb-section{padding-block:clamp(32px,5vw,64px);border-top:1px dashed var(--jb-line);}
.jb-section--flush{border-top:0;padding-top:0;}
.jb-section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;margin-bottom:clamp(16px,2.6vw,28px);}
.jb-section__title{font-size:clamp(20px,2.8vw,30px);font-weight:900;}
.jb-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--jb-neon);}
.jb-eyebrow::before{content:"";width:22px;height:1px;background:var(--jb-neon);opacity:.7;}
.jb-rule{height:0;border:0;border-top:1px dashed var(--jb-line);margin-block:clamp(24px,4vw,48px);}

/* 面包屑 */
.jb-breadcrumb{padding-block:10px 6px;}
.jb-breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;font-family:var(--jb-font-mono);color:rgba(168,196,184,.62);}
.jb-breadcrumb__item{display:flex;align-items:center;gap:6px;}
.jb-breadcrumb__item:not(:last-child)::after{content:"／";color:rgba(168,196,184,.3);}
.jb-breadcrumb__link:hover{color:var(--jb-neon);}
.jb-breadcrumb__current{color:var(--jb-gold);}

/* ---------- 5. 按钮 ---------- */
.jb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  min-height:44px;padding:0 18px;
  border:1px solid var(--jb-line);border-radius:3px;
  background:var(--jb-board);color:var(--jb-white);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.jb-btn:hover{transform:translateY(-1px);border-color:var(--jb-neon);}
.jb-btn--neon{background:var(--jb-neon);color:#04231A;border-color:transparent;}
.jb-btn--neon:hover{background:var(--jb-gold-pulse);color:#2A1E02;}
.jb-btn--gold{background:var(--jb-gold);color:#241A04;border-color:transparent;}
.jb-btn--gold:hover{background:var(--jb-gold-pulse);}
.jb-btn--ghost{background:transparent;color:var(--jb-neon);}
.jb-btn--ghost:hover{background:rgba(46,255,181,.1);}
.jb-btn--sm{min-height:34px;padding:0 12px;font-size:13px;}

/* ---------- 6. 页头 ---------- */
.jb-skip{
  position:absolute;left:12px;top:-70px;z-index:200;
  padding:10px 16px;background:var(--jb-gold);color:#241A04;
  font-weight:700;border-radius:0 0 4px 4px;transition:top .16s ease;
}
.jb-skip:focus{top:0;}

.jb-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,var(--jb-ink-deep),var(--jb-ink));
  border-bottom:1px solid var(--jb-line);
  box-shadow:0 14px 30px -26px rgba(0,0,0,.95);
}
.jb-header__meta{display:none;background:rgba(7,19,15,.92);border-bottom:1px dashed var(--jb-line);}
.jb-header__meta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:46px;}
.jb-motto{font-size:12px;font-weight:700;letter-spacing:.3em;color:var(--jb-gold);white-space:nowrap;}
.jb-utility__list{display:flex;align-items:center;gap:22px;}
.jb-utility__link{position:relative;display:inline-block;padding-block:4px;font-size:13px;color:var(--jb-body);transition:color .18s ease;}
.jb-utility__link:hover{color:var(--jb-neon);}
.jb-utility__link[aria-current="page"]{color:var(--jb-white);}
.jb-utility__link[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--jb-gold);}
.jb-actions{display:flex;align-items:center;gap:10px;}

.jb-header__bar{position:relative;background:var(--jb-ink);}
.jb-header__bar::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;pointer-events:none;opacity:.7;
  background:repeating-linear-gradient(90deg,var(--jb-line) 0 12px,transparent 12px 24px);
}
.jb-header__bar-inner{display:flex;align-items:center;gap:14px;min-height:64px;padding-block:10px;}

.jb-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.jb-brand__mark{
  display:grid;grid-template-columns:repeat(3,1fr);align-items:end;gap:2px;
  width:38px;height:38px;padding:7px;border:1px solid var(--jb-line);border-radius:3px;
  background:linear-gradient(160deg,var(--jb-board),var(--jb-ink-deep));
}
.jb-brand__mark span{display:block;background:var(--jb-neon);border-radius:1px;}
.jb-brand__mark span:nth-child(1){height:38%;opacity:.6;}
.jb-brand__mark span:nth-child(2){height:100%;background:var(--jb-gold);}
.jb-brand__mark span:nth-child(3){height:64%;}
.jb-brand__text{display:flex;flex-direction:column;line-height:1.15;}
.jb-brand__name{font-family:var(--jb-font-head);font-size:18px;font-weight:900;color:var(--jb-white);letter-spacing:.04em;}
.jb-brand__sub{font-family:var(--jb-font-mono);font-size:11px;letter-spacing:.14em;color:rgba(168,196,184,.68);}

.jb-nav{display:none;}
.jb-nav__list{display:flex;align-items:center;gap:2px;}
.jb-nav__link{
  display:inline-flex;align-items:center;gap:7px;padding:10px 12px;border-radius:3px;
  font-size:14px;font-weight:600;color:var(--jb-body);
  transition:color .18s ease,background .18s ease,box-shadow .18s ease;
}
.jb-nav__link:hover{color:var(--jb-white);background:rgba(46,255,181,.08);}
.jb-nav__num{font-family:var(--jb-font-mono);font-size:10px;color:rgba(46,255,181,.6);letter-spacing:.06em;}
.jb-nav__label{white-space:nowrap;}
.jb-nav__link[aria-current="page"]{color:var(--jb-white);background:rgba(46,255,181,.1);box-shadow:inset 0 -2px 0 var(--jb-neon);}
.jb-nav__link[aria-current="page"] .jb-nav__num{color:var(--jb-gold);}

.jb-nav__toggle{
  display:inline-flex;align-items:center;gap:8px;margin-left:auto;
  min-height:44px;padding:0 14px;border:1px solid var(--jb-line);border-radius:3px;
  background:var(--jb-board);color:var(--jb-white);font-size:13px;font-weight:700;
}
.jb-nav__toggle:hover{border-color:var(--jb-neon);}
.jb-nav__toggle-text{letter-spacing:.08em;}
.jb-nav__bars{display:grid;gap:4px;width:18px;}
.jb-nav__bars span{display:block;height:2px;border-radius:2px;background:var(--jb-neon);transition:transform .22s ease,opacity .22s ease,width .22s ease;}
.jb-nav__bars span:nth-child(2){width:70%;}
.jb-nav__toggle:hover .jb-nav__bars span:nth-child(2){width:100%;}
.jb-nav__toggle[aria-expanded="true"] .jb-nav__bars span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.jb-nav__toggle[aria-expanded="true"] .jb-nav__bars span:nth-child(2){opacity:0;}
.jb-nav__toggle[aria-expanded="true"] .jb-nav__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.jb-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:96;
  display:flex;flex-direction:column;
  width:min(88vw,360px);
  padding:calc(18px + env(safe-area-inset-top)) 20px calc(22px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,var(--jb-ink-deep),var(--jb-ink));
  border-left:1px solid var(--jb-line);
  box-shadow:-34px 0 60px -34px rgba(0,0,0,.95);
  overflow-y:auto;overscroll-behavior:contain;
  transform:translateX(102%);
  transition:transform .26s cubic-bezier(.22,.8,.3,1);
}
.jb-drawer[data-open]{transform:translateX(0);}
.jb-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--jb-line);}
.jb-drawer__title{font-family:var(--jb-font-head);font-size:13px;font-weight:800;letter-spacing:.22em;color:var(--jb-gold);}
.jb-drawer__close{
  display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--jb-line);border-radius:3px;
  color:var(--jb-white);font-size:20px;line-height:1;transition:border-color .18s ease,color .18s ease;
}
.jb-drawer__close:hover{border-color:var(--jb-neon);color:var(--jb-neon);}
.jb-drawer__group{margin-top:18px;font-family:var(--jb-font-mono);font-size:11px;letter-spacing:.24em;color:rgba(168,196,184,.6);}
.jb-drawer__list{display:grid;gap:2px;margin-top:8px;}
.jb-drawer__link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 10px;border-radius:3px;border-left:2px solid transparent;
  color:var(--jb-white);font-weight:600;transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.jb-drawer__link:hover{background:rgba(46,255,181,.08);border-left-color:var(--jb-neon);}
.jb-drawer__link[aria-current="page"]{background:rgba(46,255,181,.1);border-left-color:var(--jb-neon);color:var(--jb-neon);}
.jb-drawer__num{font-family:var(--jb-font-mono);font-size:11px;color:rgba(46,255,181,.6);}
.jb-drawer__foot{margin-top:auto;display:grid;gap:10px;padding-top:24px;}

.jb-scrim{
  position:fixed;inset:0;z-index:95;
  background:rgba(4,10,8,.74);
  opacity:0;pointer-events:none;transition:opacity .24s ease;
}
.jb-drawer[data-open] + .jb-scrim{opacity:1;pointer-events:auto;}

.jb-progress{
  position:absolute;left:0;bottom:-1px;z-index:3;height:2px;width:0;
  background:linear-gradient(90deg,var(--jb-neon),var(--jb-gold));
  transition:width .12s linear;pointer-events:none;
}

/* ---------- 7. 页脚 ---------- */
.jb-footer{
  position:relative;margin-top:clamp(40px,6vw,84px);
  background:var(--jb-ink-deep);border-top:1px solid var(--jb-line);
  padding-bottom:calc(78px + env(safe-area-inset-bottom));
}
.jb-footer__glow{
  position:absolute;inset:0 0 auto 0;height:220px;pointer-events:none;
  background:radial-gradient(120% 100% at 50% 0%,rgba(46,255,181,.14),transparent 70%);
}
.jb-footer__inner{position:relative;padding-block:clamp(32px,5vw,56px) 22px;}
.jb-footer__top{display:grid;gap:clamp(24px,4vw,40px);}
.jb-footer__brand{display:grid;gap:12px;align-content:start;justify-items:start;}
.jb-brand--footer .jb-brand__name{font-size:16px;}
.jb-footer__slogan{font-family:var(--jb-font-head);font-size:clamp(20px,2.6vw,26px);font-weight:900;color:var(--jb-white);letter-spacing:.02em;}
.jb-footer__stamp{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  padding:6px 10px;border:1px dashed var(--jb-line);border-radius:3px;
  font-family:var(--jb-font-mono);font-size:11px;letter-spacing:.06em;color:var(--jb-gold);
}
.jb-footer__cols{display:grid;gap:clamp(20px,3vw,32px);}
.jb-footer__col{min-width:0;}
.jb-footer__coltitle{
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
  font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--jb-neon);
}
.jb-footer__colnum{
  font-family:var(--jb-font-mono);font-size:11px;color:var(--jb-gold);
  border:1px solid var(--jb-line);border-radius:2px;padding:1px 5px;letter-spacing:0;
}
.jb-footer__list{display:grid;gap:8px;}
.jb-footer__link{
  display:inline-block;padding-block:3px;font-size:14px;color:var(--jb-body);
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
  overflow-wrap:anywhere;
}
.jb-footer__link:hover{color:var(--jb-neon);border-bottom-color:var(--jb-neon);}
.jb-footer__link[aria-current="page"]{color:var(--jb-white);}
.jb-footer__meta{
  display:grid;gap:8px;margin-top:clamp(28px,4vw,44px);padding-top:18px;
  border-top:1px dashed var(--jb-line);
}
.jb-footer__address{font-size:13px;color:var(--jb-body);}
.jb-footer__note{max-width:82ch;font-size:12px;line-height:1.7;color:rgba(168,196,184,.64);}
.jb-footer__legal{font-family:var(--jb-font-mono);font-size:12px;color:rgba(168,196,184,.58);}

.jb-to-top{
  position:fixed;right:14px;bottom:calc(76px + env(safe-area-inset-bottom));z-index:78;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border:1px solid var(--jb-line);border-radius:999px;
  background:rgba(18,46,38,.94);color:var(--jb-neon);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,border-color .2s ease;
}
.jb-to-top[data-visible]{opacity:1;transform:none;pointer-events:auto;}
.jb-to-top:hover{border-color:var(--jb-neon);}

.jb-dock{
  position:fixed;left:0;right:0;bottom:0;z-index:75;
  background:rgba(7,19,15,.97);border-top:1px solid var(--jb-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.jb-dock__list{display:grid;grid-template-columns:repeat(4,1fr);}
.jb-dock__link{
  display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:9px 4px 8px;font-size:11px;font-weight:600;color:var(--jb-body);
  transition:color .18s ease;
}
.jb-dock__link[aria-current="page"]{color:var(--jb-white);}
.jb-dock__dot{position:relative;width:16px;height:16px;border:1px solid var(--jb-line);border-radius:3px;background:var(--jb-board);}
.jb-dock__dot::after{content:"";position:absolute;inset:5px;border-radius:1px;background:var(--jb-neon);opacity:.6;}
.jb-dock__list > li:nth-child(1) .jb-dock__dot::after{inset:6px 4px 4px 4px;}
.jb-dock__list > li:nth-child(2) .jb-dock__dot::after{inset:4px 6px 6px 6px;}
.jb-dock__list > li:nth-child(3) .jb-dock__dot::after{inset:4px 4px 7px 4px;}
.jb-dock__list > li:nth-child(4) .jb-dock__dot::after{inset:7px 4px 3px 4px;}
.jb-dock__link[aria-current="page"] .jb-dock__dot::after{background:var(--jb-gold);opacity:1;}
.jb-dock__label{letter-spacing:.06em;}

/* ---------- 8. 通用组件 ---------- */
.jb-grid{display:grid;gap:clamp(14px,2vw,22px);}
.jb-grid--2,.jb-grid--3{grid-template-columns:1fr;}
.jb-grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}

.jb-card{
  position:relative;padding:clamp(16px,2.4vw,24px);
  background:var(--jb-board);border:1px solid var(--jb-line);border-radius:var(--jb-radius);
  box-shadow:0 1px 0 rgba(30,74,60,.9),0 16px 32px -26px rgba(0,0,0,.95);
}
.jb-card::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-6px;height:6px;pointer-events:none;
  background:linear-gradient(180deg,rgba(30,74,60,.55),transparent);border-radius:0 0 4px 4px;
}
.jb-card--plate{border-left:3px solid var(--jb-neon);}
.jb-card__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 14px;margin-bottom:10px;}
.jb-card__title{font-family:var(--jb-font-head);font-size:17px;font-weight:800;color:var(--jb-white);}
.jb-card__foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;}

.jb-tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 9px;border:1px solid var(--jb-line);border-radius:2px;
  font-size:12px;font-weight:600;color:var(--jb-body);background:rgba(7,19,15,.5);
}
.jb-tag--neon{color:var(--jb-neon);border-color:rgba(46,255,181,.45);background:rgba(46,255,181,.08);}
.jb-tag--gold{color:var(--jb-gold);border-color:rgba(245,196,81,.45);background:rgba(245,196,81,.09);}
.jb-tag--brick{color:var(--jb-brick);border-color:rgba(194,90,78,.5);background:rgba(194,90,78,.1);}
.jb-tag--ghost{background:transparent;color:rgba(168,196,184,.75);}

.jb-stat{display:flex;flex-direction:column;gap:4px;}
.jb-stat__value{
  font-family:var(--jb-font-mono);font-size:clamp(28px,5vw,44px);font-weight:700;line-height:1;
  color:var(--jb-gold);letter-spacing:-.02em;
}
.jb-stat__label{font-size:13px;color:var(--jb-body);}
.jb-stat__note{font-size:12px;color:rgba(168,196,184,.64);}
.jb-stat--alert .jb-stat__value{color:var(--jb-brick);}
.jb-stat--pulse .jb-stat__value{animation:jb-pulse 1.2s ease-in-out 1;}
@keyframes jb-pulse{
  0%{color:var(--jb-gold);text-shadow:none;}
  45%{color:var(--jb-gold-pulse);text-shadow:0 0 18px rgba(255,217,122,.55);}
  100%{color:var(--jb-gold);text-shadow:none;}
}

.jb-index{display:grid;border-top:1px solid var(--jb-line);}
.jb-index__item{
  display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:baseline;
  padding:14px 6px;border-bottom:1px dashed var(--jb-line);
  transition:background .18s ease,box-shadow .18s ease;
}
.jb-index__item:hover{background:rgba(46,255,181,.05);}
.jb-index__item[data-current]{background:rgba(46,255,181,.08);box-shadow:inset 3px 0 0 var(--jb-neon);}
.jb-index__num{font-family:var(--jb-font-mono);font-size:12px;letter-spacing:.08em;color:var(--jb-neon);}
.jb-index__label{font-size:16px;font-weight:700;color:var(--jb-white);}
.jb-index__label:hover{color:var(--jb-neon);}
.jb-index__meta{grid-column:2;font-family:var(--jb-font-mono);font-size:12px;color:rgba(168,196,184,.64);}

.jb-figure{margin:0;overflow:hidden;border:1px solid var(--jb-line);border-radius:var(--jb-radius);background:var(--jb-board);}
.jb-figure__media{
  position:relative;aspect-ratio:16 / 10;overflow:hidden;
  background-color:var(--jb-ink-deep);
  background-image:
    linear-gradient(135deg,rgba(46,255,181,.1),rgba(11,31,26,0) 62%),
    repeating-linear-gradient(90deg,rgba(30,74,60,.5) 0 1px,transparent 1px 18px);
}
.jb-figure__media img{width:100%;height:100%;object-fit:cover;}
.jb-figure__caption{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  padding:10px 12px;border-top:1px dashed var(--jb-line);
  font-size:12px;color:rgba(168,196,184,.7);
}
.jb-figure--wide .jb-figure__media{aspect-ratio:16 / 9;}
.jb-figure--tall .jb-figure__media{aspect-ratio:4 / 5;}
.jb-figure--square .jb-figure__media{aspect-ratio:1 / 1;}

.jb-callout{
  padding:18px 20px;border:1px solid var(--jb-line);border-left:3px solid var(--jb-gold);
  border-radius:3px;
  background-image:linear-gradient(120deg,rgba(245,196,81,.09),rgba(18,46,38,0) 62%);
  background-color:var(--jb-board);
}

.jb-filter{display:flex;flex-wrap:wrap;gap:8px;}
.jb-filter__btn{
  min-height:34px;padding:0 14px;border:1px solid var(--jb-line);border-radius:999px;
  background:rgba(18,46,38,.6);color:var(--jb-body);font-size:13px;font-weight:600;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.jb-filter__btn:hover{color:var(--jb-white);border-color:var(--jb-neon);}
.jb-filter__btn[aria-pressed="true"]{background:var(--jb-neon);color:#04231A;border-color:transparent;}
.jb-filter__status{margin-top:8px;font-family:var(--jb-font-mono);font-size:12px;color:rgba(168,196,184,.7);}

.jb-reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease;}
.jb-reveal--in{opacity:1;transform:none;}

/* ---------- 9. 响应式 ---------- */
@media (min-width:640px){
  .jb-footer__cols{grid-template-columns:repeat(3,1fr);}
}
@media (min-width:768px){
  .jb-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .jb-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .jb-index__item{grid-template-columns:auto 1fr auto;}
  .jb-index__meta{grid-column:3;text-align:right;}
}
@media (min-width:1024px){
  .jb-header__meta{display:block;}
  .jb-header__bar-inner{min-height:78px;gap:28px;}
  .jb-nav{display:block;margin-left:auto;}
  .jb-nav__toggle{display:none;}
  .jb-drawer,.jb-scrim{display:none;}
  .jb-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .jb-footer{padding-bottom:0;}
  .jb-footer__top{grid-template-columns:minmax(240px,1fr) 2fr;align-items:start;}
  .jb-dock{display:none;}
  .jb-to-top{right:24px;bottom:24px;}
}

/* ---------- 10. 减少动态偏好 ---------- */
@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;
  }
  .jb-reveal{opacity:1;transform:none;}
}