/* ===== BSPORT 共享样式 /assets/site.css ===== */

/* ---------- 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,h6,p,ul,ol,li,figure,blockquote,dl,dd,dt{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid currentColor;opacity:.2}

/* ---------- 变量 ---------- */
:root{
  --ink:#06120E;
  --ink-2:#0C241A;
  --turf:#1C5136;
  --turf-2:#2F7D50;
  --cream:#F4ECDC;
  --paper:#E2D6C1;
  --neon:#C9FF3D;
  --neon-dim:#9BD62B;
  --orange:#FF5C2B;
  --red:#C9331F;
  --cyan:#7FD8C4;
  --mist:#D7DED9;
  --ink-text:#16241D;

  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --font-body:"Noto Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --header-h:64px;
  --wrap-max:1380px;
  --gutter:clamp(16px,4vw,44px);
  --r:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

@media (min-width:960px){
  :root{--header-h:76px}
}

/* ---------- 基础 ---------- */
body{
  padding-top:var(--header-h);
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 620px at 10% -10%, rgba(47,125,80,.32), transparent 64%),
    radial-gradient(880px 520px at 98% 2%, rgba(201,255,61,.07), transparent 62%),
    radial-gradient(700px 700px at 60% 120%, rgba(28,81,54,.35), transparent 70%);
  background-repeat:no-repeat;
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

:where([id]){scroll-margin-top:calc(var(--header-h) + 18px)}

:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:2px;
  border-radius:var(--r);
}
.panel :focus-visible{outline-color:var(--turf)}

::selection{background:var(--neon);color:var(--ink)}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:clamp(10px,3vw,26px);
  top:calc(-1 * var(--header-h) - 8px);
  z-index:200;
  padding:11px 20px;
  background:var(--neon);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  letter-spacing:.1em;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:90;
  height:var(--header-h);
  background:rgba(6,18,14,.86);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid rgba(201,255,61,.18);
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--neon),rgba(201,255,61,0) 78%);
  pointer-events:none;
}

.header-frame{
  height:100%;
  width:100%;
  max-width:1600px;
  margin-inline:auto;
  padding-inline:clamp(12px,3vw,36px);
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
}

/* 品牌 */
.brand{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:11px;
  min-width:0;
}
.brand__mark{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:40px;height:40px;
  border:1.5px solid var(--neon);
  color:var(--neon);
  background:linear-gradient(160deg,rgba(201,255,61,.18),rgba(201,255,61,0));
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.05em;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.brand:hover .brand__mark{background:var(--neon);color:var(--ink)}
.brand__text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--cream);
  white-space:nowrap;
}
.brand__sub{
  margin-top:2px;
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(215,222,217,.55);
  white-space:nowrap;
}

/* 主导航 */
.site-nav{
  flex:1 1 auto;
  display:flex;
  justify-content:center;
  min-width:0;
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(4px,1.5vw,24px);
  flex-wrap:nowrap;
}
.site-nav__link{
  position:relative;
  display:inline-block;
  padding:9px 2px 11px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.05em;
  color:rgba(215,222,217,.76);
  white-space:nowrap;
  transition:color .16s var(--ease);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:3px;
  height:2px;
  background:var(--neon);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.site-nav__link:hover{color:var(--cream)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--neon)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}

/* 快捷入口 */
.header-utility{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:8px;
}
.utility-link{
  display:inline-flex;
  align-items:center;
  padding:8px 13px;
  border:1px solid rgba(201,255,61,.28);
  color:var(--mist);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  white-space:nowrap;
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease),transform .16s var(--ease);
}
.utility-link--data:hover{
  border-color:var(--neon);
  color:var(--neon);
  background:rgba(201,255,61,.08);
  transform:translateY(-1px);
}
.utility-link--accent{
  background:var(--neon);
  border-color:var(--neon);
  color:var(--ink);
}
.utility-link--accent:hover{
  background:var(--neon-dim);
  border-color:var(--neon-dim);
  transform:translateY(-1px);
}

/* 移动端按钮 */
.nav-toggle{
  display:none;
  margin-left:auto;
  align-items:center;
  gap:9px;
  padding:9px 12px;
  border:1px solid rgba(201,255,61,.38);
  color:var(--neon);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-toggle:hover{background:rgba(201,255,61,.1)}
.nav-toggle__bars{display:grid;gap:3px;width:17px}
.nav-toggle__bars i{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.site-header[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 滚动进度 */
.scroll-progress{
  position:absolute;
  left:0;bottom:-1px;
  width:100%;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--neon-dim) 55%,var(--orange));
  transform:scaleX(0);
  transform-origin:left center;
  pointer-events:none;
}

/* ---------- 移动端导航 ---------- */
@media (max-width:959px){
  .nav-toggle{display:inline-flex}
  .header-utility{display:none}
  .site-nav{
    position:fixed;
    top:var(--header-h);
    left:0;right:0;bottom:0;
    display:block;
    padding:clamp(18px,5vw,34px) clamp(16px,5vw,32px) 60px;
    background:rgba(6,18,14,.97);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-top:1px solid rgba(201,255,61,.16);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .site-header[data-open] .site-nav{
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{
    display:block;
    padding:16px 6px 16px 16px;
    font-family:var(--font-display);
    font-size:23px;
    font-weight:700;
    letter-spacing:.06em;
    text-transform:uppercase;
    border-bottom:1px solid rgba(215,222,217,.1);
    border-left:2px solid transparent;
    color:rgba(215,222,217,.82);
  }
  .site-nav__link::after{display:none}
  .site-nav__link:hover{border-left-color:var(--turf-2)}
  .site-nav__link[aria-current="page"]{
    color:var(--neon);
    border-left-color:var(--neon);
    background:rgba(201,255,61,.07);
  }
}

@media (max-width:560px){
  .brand__sub{display:none}
  .brand__mark{width:34px;height:34px;font-size:12px}
  .brand__name{font-size:17px}
  .nav-toggle__label{display:none}
  .nav-toggle{padding:9px 10px}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  background:var(--ink);
  border-top:1px solid rgba(201,255,61,.16);
  color:var(--mist);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(201,255,61,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,255,61,.05) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 76%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 76%);
}
.site-footer::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:360px;height:360px;
  background:radial-gradient(circle,rgba(47,125,80,.35),transparent 68%);
  pointer-events:none;
}
.footer-inner{
  position:relative;
  z-index:1;
  padding-block:clamp(36px,6vw,72px) 0;
}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(220px,1.15fr) minmax(0,2fr) minmax(250px,1.15fr);
  gap:clamp(24px,3.4vw,52px);
}

.footer-brand__word{
  font-family:var(--font-display);
  font-size:clamp(38px,5vw,58px);
  font-weight:700;
  line-height:.92;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--cream);
  clip-path:polygon(0 0,100% 0,100% 84%,94% 100%,0 100%);
}
.footer-brand__line{
  margin-top:14px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--neon);
}
.footer-brand__note{
  margin-top:10px;
  max-width:30ch;
  font-size:13px;
  line-height:1.7;
  color:rgba(215,222,217,.6);
}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.6vw,32px);
}
.footer-col__title{
  margin-bottom:14px;
  padding-bottom:9px;
  border-bottom:1px solid rgba(201,255,61,.24);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cream);
}
.footer-col__list{display:flex;flex-direction:column;gap:2px}
.footer-col__list a{
  display:inline-block;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(215,222,217,.72);
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease),padding-left .16s var(--ease);
}
.footer-col__list a:hover{
  color:var(--neon);
  border-bottom-color:rgba(201,255,61,.5);
  padding-left:4px;
}

.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;flex-direction:column;gap:2px}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(201,255,61,.7);
}
.footer-contact__value{
  font-size:14px;
  line-height:1.65;
  color:rgba(215,222,217,.82);
  word-break:break-word;
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 28px;
  margin-top:clamp(28px,4.4vw,54px);
  padding:20px 0 34px;
  border-top:1px solid rgba(215,222,217,.14);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  color:rgba(215,222,217,.6);
}
.footer-legal__icp{color:rgba(215,222,217,.5)}
.footer-legal__links{
  display:flex;
  flex-wrap:wrap;
  gap:6px 20px;
  margin-left:auto;
}
.footer-legal__links a{
  color:rgba(215,222,217,.72);
  border-bottom:1px solid rgba(201,255,61,.3);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-legal__links a:hover{color:var(--neon);border-bottom-color:var(--neon)}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,30px);
  bottom:clamp(14px,3vw,30px);
  z-index:80;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 16px;
  background:rgba(12,36,26,.86);
  border:1px solid rgba(201,255,61,.4);
  color:var(--neon);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  cursor:pointer;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s,background .16s var(--ease),color .16s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--neon);color:var(--ink)}
.to-top__arrow{font-family:var(--font-mono);font-size:15px;line-height:1}

@media (max-width:1080px){
  .footer-grid{grid-template-columns:minmax(200px,1fr) minmax(0,1.7fr)}
  .footer-col--contact{grid-column:1 / -1}
}
@media (max-width:720px){
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col--contact{grid-column:auto}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-legal__links{margin-left:0}
}
@media (max-width:420px){
  .footer-nav{grid-template-columns:1fr}
}

/* ---------- 通用布局 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(36px,5.5vw,84px)}
.section--tight{padding-block:clamp(24px,3.4vw,48px)}

.grid{display:grid;gap:clamp(14px,2vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--auto{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
@media (max-width:900px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 面板材质 ---------- */
.panel{
  position:relative;
  background:var(--cream);
  color:var(--ink-text);
  border:1px solid rgba(6,18,14,.14);
  padding:clamp(16px,2.4vw,28px);
}
.panel--paper{background:var(--paper)}
.panel--glass{
  background:rgba(12,36,26,.62);
  border:1px solid rgba(201,255,61,.2);
  color:var(--mist);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
  backdrop-filter:blur(10px) saturate(120%);
}

/* ---------- 标签与引导文字 ---------- */
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--neon-dim);
}
.eyebrow--paper{color:var(--turf-2)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid rgba(215,222,217,.3);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
  white-space:nowrap;
}
.tag--neon{border-color:rgba(201,255,61,.55);color:var(--neon)}
.tag--orange{border-color:rgba(255,92,43,.6);color:var(--orange)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:12px 22px;
  border:1px solid transparent;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn--primary{background:var(--neon);color:var(--ink);border-color:var(--neon)}
.btn--primary:hover{background:var(--neon-dim);border-color:var(--neon-dim);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--cream);border-color:rgba(244,236,220,.34)}
.btn--ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px)}
.btn--signal{background:var(--orange);color:#180A04;border-color:var(--orange)}
.btn--signal:hover{background:#E84A1B;border-color:#E84A1B;transform:translateY(-2px)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:rgba(215,222,217,.58);
}
.breadcrumb a{
  color:var(--mist);
  border-bottom:1px solid rgba(201,255,61,.32);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.breadcrumb a:hover{color:var(--neon);border-bottom-color:var(--neon)}
.breadcrumb__sep{color:rgba(201,255,61,.5)}
.breadcrumb--paper{color:rgba(6,18,14,.55)}
.breadcrumb--paper a{color:var(--turf);border-bottom-color:rgba(28,81,54,.4)}
.breadcrumb--paper a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.breadcrumb--paper .breadcrumb__sep{color:rgba(28,81,54,.55)}

/* ---------- 正文容器 ---------- */
.prose{
  max-width:70ch;
  font-size:clamp(15.5px,1vw + 12px,17px);
  line-height:1.9;
  color:var(--ink-text);
}
.prose > * + *{margin-top:1.05em}
.prose h2,.prose h3{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:.03em;
  line-height:1.2;
  color:var(--ink);
}
.prose h2{margin-top:1.9em;font-size:clamp(24px,2.6vw,32px)}
.prose h3{margin-top:1.5em;font-size:clamp(19px,1.7vw,23px)}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--turf);border-bottom:1px solid rgba(28,81,54,.45)}
.prose a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.prose ul{display:flex;flex-direction:column;gap:.4em}
.prose ul li{position:relative;padding-left:1.35em}
.prose ul li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:9px;height:2px;
  background:var(--turf-2);
}
.prose ol{counter-reset:pr;display:flex;flex-direction:column;gap:.45em}
.prose ol li{position:relative;padding-left:2em;counter-increment:pr}
.prose ol li::before{
  content:counter(pr,decimal-leading-zero);
  position:absolute;
  left:0;top:.18em;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--turf-2);
}
.prose blockquote{
  padding:14px 20px;
  border-left:3px solid var(--neon-dim);
  background:rgba(226,214,193,.55);
  color:rgba(6,18,14,.86);
}
.prose code{
  font-family:var(--font-mono);
  font-size:.9em;
  padding:1px 6px;
  background:rgba(6,18,14,.08);
}
.prose--on-dark{color:var(--mist)}
.prose--on-dark h2,.prose--on-dark h3,.prose--on-dark strong{color:var(--cream)}
.prose--on-dark a{color:var(--neon);border-bottom-color:rgba(201,255,61,.45)}
.prose--on-dark blockquote{background:rgba(12,36,26,.7);color:var(--mist);border-left-color:var(--neon)}
.prose--on-dark code{background:rgba(215,222,217,.12)}

/* ---------- 图片容器 ---------- */
.img-frame{
  position:relative;
  overflow:hidden;
  background:linear-gradient(150deg,var(--ink-2),var(--ink));
  border:1px solid rgba(201,255,61,.18);
}
.img-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.img-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(201,255,61,.1) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,255,61,.1) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(160deg,rgba(0,0,0,.85),transparent 62%);
  mask-image:linear-gradient(160deg,rgba(0,0,0,.85),transparent 62%);
}
.img-frame--wide{aspect-ratio:16/9}
.img-frame--tall{aspect-ratio:3/4}
.img-frame--square{aspect-ratio:1/1}
.img-frame--map{aspect-ratio:4/3}
.img-frame__caption{
  position:absolute;
  left:0;bottom:0;
  z-index:1;
  padding:8px 12px;
  background:rgba(6,18,14,.78);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
}

/* ---------- 目录跟随 ---------- */
.toc{display:flex;flex-direction:column;gap:2px}
.toc__link{
  display:block;
  padding:9px 12px;
  border-left:2px solid rgba(215,222,217,.14);
  color:rgba(215,222,217,.7);
  font-size:14.5px;
  line-height:1.5;
  transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease),padding-left .16s var(--ease);
}
.toc__link:hover{
  color:var(--cream);
  border-left-color:var(--turf-2);
  background:rgba(12,36,26,.55);
}
.toc__link[aria-current="location"]{
  color:var(--neon);
  border-left-color:var(--neon);
  background:rgba(201,255,61,.08);
  padding-left:17px;
}
.toc--paper .toc__link{
  color:rgba(6,18,14,.62);
  border-left-color:rgba(6,18,14,.16);
}
.toc--paper .toc__link:hover{color:var(--ink);border-left-color:var(--turf-2);background:rgba(28,81,54,.08)}
.toc--paper .toc__link[aria-current="location"]{
  color:var(--ink);
  border-left-color:var(--turf-2);
  background:rgba(201,255,61,.38);
}

/* ---------- 显现动效 ---------- */
[data-js="on"] .reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .34s var(--ease),transform .34s var(--ease);
}
[data-js="on"] .reveal.is-visible{opacity:1;transform: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;
  }
  [data-js="on"] .reveal{opacity:1;transform:none}
}