:root{
  --ink-deep:#04140F;
  --ink-2:#0A231C;
  --line:#14352B;
  --cyan:#2BF5C8;
  --cyan-deep:#00B894;
  --coral:#FF6B4A;
  --coral-soft:#FFB59E;
  --indigo:#2A1B4A;
  --wine:#3A1420;
  --text:#E6FFF8;
  --muted:#93AFA6;
  --glass:rgba(230,255,248,.06);
  --wrap:1280px;
  --gutter:6vw;
  --radius:16px;
  --radius-pill:999px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono","Courier New",monospace;
  --header-space:118px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

body{
  background-color:var(--ink-deep);
  background-image:
    radial-gradient(1100px 560px at 10% -12%, rgba(43,245,200,.10), transparent 62%),
    radial-gradient(900px 520px at 94% 6%, rgba(42,27,74,.55), transparent 66%),
    radial-gradient(760px 420px at 74% 96%, rgba(58,20,32,.48), transparent 70%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  padding-top:var(--header-space);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.24}
p{max-width:70ch}
::selection{background:var(--cyan);color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.text-muted{color:var(--muted)}

/* ---------- 头部：悬浮胶囊 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:14px var(--gutter) 0;
  pointer-events:none;
}
.site-header > *{pointer-events:auto}
.scroll-progress{
  position:fixed;
  top:0;left:0;
  width:100%;height:3px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-deep) 55%,var(--coral));
  pointer-events:none;
  z-index:90;
}
.skip-link{
  position:fixed;
  top:10px;left:50%;
  transform:translate(-50%,-180%);
  z-index:120;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  background:var(--cyan);
  color:var(--ink-deep);
  font-size:14px;
  font-weight:700;
  transition:transform .2s ease;
}
.skip-link:focus{transform:translate(-50%,0)}
.nav-wrap{max-width:var(--wrap);width:100%;margin:0 auto}
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 10px 8px 16px;
  border-radius:var(--radius-pill);
  background:var(--glass);
  border:1px solid rgba(43,245,200,.22);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:padding .28s ease,background .28s ease,border-color .28s ease;
}
.nav-brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--cyan),var(--cyan-deep));
  color:var(--ink-deep);
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  letter-spacing:-.02em;
  box-shadow:0 0 20px rgba(43,245,200,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.02em}
.brand-sign{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  display:inline-block;
  padding:8px 12px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  color:var(--muted);
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--text);background:rgba(43,245,200,.09)}
.nav-link[aria-current="page"]{
  background:var(--cyan);
  color:var(--ink-deep);
  font-weight:700;
  box-shadow:0 0 18px rgba(43,245,200,.35);
}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:8px}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(43,245,200,.3);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
}
.nav-toggle-bars{position:relative;width:16px;height:2px;background:var(--cyan);display:block}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--cyan);transition:transform .2s ease}
.nav-toggle-bars::before{top:-5px}
.nav-toggle-bars::after{top:5px}
.site-header[data-open] .nav-toggle-bars{background:transparent}
.site-header[data-open] .nav-toggle-bars::before{transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars::after{transform:translateY(-5px) rotate(-45deg)}
.status-bar{
  max-width:var(--wrap);
  width:100%;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 18px;
  border-radius:var(--radius-pill);
  background:rgba(10,35,28,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted);
  overflow:hidden;
  max-height:44px;
  transition:max-height .3s ease,opacity .3s ease,padding .3s ease,border-color .3s ease;
}
.status-dot{
  width:7px;height:7px;flex:none;
  border-radius:50%;
  background:var(--cyan);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(43,245,200,.55)}
  70%{box-shadow:0 0 0 8px rgba(43,245,200,0)}
  100%{box-shadow:0 0 0 0 rgba(43,245,200,0)}
}
.status-sep{color:var(--line)}
.status-link{
  margin-left:auto;
  flex:none;
  color:var(--cyan);
  border-bottom:1px dashed rgba(43,245,200,.45);
}
.status-link:hover{color:var(--text)}
.site-header.is-compact .status-bar{max-height:0;opacity:0;padding-top:0;padding-bottom:0;border-color:transparent}
.site-header.is-compact .nav-shell{padding:6px 8px 6px 14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:700;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--cyan);color:var(--ink-deep);box-shadow:0 0 22px rgba(43,245,200,.28)}
.btn-primary:hover{background:#5cffd8;transform:translateY(-1px);box-shadow:0 0 30px rgba(43,245,200,.44)}
.btn-ghost{border-color:rgba(43,245,200,.35);color:var(--cyan)}
.btn-ghost:hover{background:rgba(43,245,200,.1)}
.btn-coral{background:var(--coral);color:#2b0d06}
.btn-coral:hover{background:var(--coral-soft)}
.btn-sm{padding:8px 16px;font-size:13.5px}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(46px,6.6vw,92px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 18px;margin-bottom:clamp(18px,2.4vw,30px)}
.kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}
.chapter-num{font-family:var(--font-mono);font-size:13px;color:var(--coral);letter-spacing:.1em}
.section-title{font-size:clamp(22px,3vw,28px)}
.page-title{font-size:clamp(30px,5.2vw,58px);max-width:22ch}
.lede{font-size:16.5px;color:var(--muted);max-width:62ch}
.band{position:relative;height:10px;border-radius:2px;background:var(--line);overflow:hidden}
.band::after{content:"";position:absolute;inset:0;width:26%;background:var(--cyan);opacity:.85}
.band--indigo{background:var(--indigo)}
.band--wine{background:var(--wine)}
.band--moss{background:var(--line)}
.band--wine::after{background:var(--coral)}
.breadcrumb{margin-bottom:18px}
.breadcrumb-list{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li+li::before{content:"/";color:var(--line)}
.breadcrumb-list a:hover{color:var(--cyan)}
.breadcrumb-list [aria-current="page"]{color:var(--text)}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 块型 ---------- */
.card{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,26px);
}
.card--glass{
  background:var(--glass);
  border-color:rgba(43,245,200,.22);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(20,53,43,.5);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted);
}
.tag--cyan{border-color:rgba(43,245,200,.45);color:var(--cyan)}
.tag--coral{border-color:rgba(255,107,74,.5);color:var(--coral-soft)}
.tag--indigo{background:var(--indigo);border-color:transparent;color:#cfc4ff}
.slash-block{
  display:inline-block;
  padding:5px 14px;
  background:var(--coral);
  color:#2b0d06;
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:700;
  transform:skewX(-12deg);
}
.slash-block > span{display:inline-block;transform:skewX(12deg)}
.note{border-left:3px solid var(--cyan);padding:8px 0 8px 16px;color:var(--muted);font-size:14.5px}
.note--coral{border-left-color:var(--coral)}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.num--lg{font-size:clamp(26px,3.4vw,40px);font-weight:700;color:var(--cyan)}
.num--coral{color:var(--coral)}
.stat{display:flex;flex-direction:column;gap:2px}
.stat-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--muted)}

/* ---------- 对照表 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--ink-2)}
.data-table{min-width:560px;font-size:14.5px}
.data-table caption{caption-side:top;text-align:left;padding:12px 14px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.data-table th,.data-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.data-table thead th{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--cyan);
  background:rgba(20,53,43,.55);
}
.data-table tbody tr:hover{background:rgba(43,245,200,.05)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .is-num{text-align:right;font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.data-table .is-sticky{position:sticky;left:0;background:var(--ink-2);z-index:1}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.filter-btn{
  padding:7px 15px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(10,35,28,.6);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:13px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.filter-btn:hover{border-color:rgba(43,245,200,.42);color:var(--text)}
.filter-btn[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink-deep);font-weight:700}
.is-hidden{display:none !important}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--line))}
.timeline-item{position:relative;padding-bottom:22px}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-26px;top:8px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--ink-deep);
  border:2px solid var(--cyan);
}
.timeline-item:last-child{padding-bottom:0}
.pulse-node{
  display:inline-block;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--cyan);
  animation:pulse 2.4s ease-out infinite;
}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(150deg,#0A231C,#04140F 58%,#2A1B4A);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x5{aspect-ratio:4/5}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media--scan::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:
    linear-gradient(180deg,transparent 46%,rgba(4,20,15,.86)),
    repeating-linear-gradient(0deg,rgba(43,245,200,.07) 0 1px,transparent 1px 4px);
}
.media-caption{margin-top:8px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}

/* ---------- 动效钩子 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
.reveal--cut{opacity:0;transform:translate(-24px,10px) rotate(-1deg);transition:opacity .6s ease,transform .6s ease}
.reveal--cut.is-in{opacity:1;transform:none}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:50;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(43,245,200,.35);
  background:rgba(10,35,28,.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  color:var(--cyan);
  font-size:18px;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,border-color .2s ease;
}
.to-top:hover{border-color:var(--cyan)}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:clamp(56px,8vw,120px);
  padding:clamp(38px,6vw,72px) var(--gutter) 26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,35,28,0),rgba(10,35,28,.9) 32%),var(--ink-deep);
}
.footer-band{
  position:absolute;
  top:0;left:0;
  width:62%;height:10px;
  background:linear-gradient(90deg,var(--cyan),var(--indigo) 48%,var(--coral));
  transform:skewX(-12deg);
  transform-origin:left top;
}
.footer-inner{max-width:var(--wrap);margin:0 auto}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:clamp(20px,3vw,44px);
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-logo{
  font-size:22px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
}
.footer-logo:hover{color:var(--cyan)}
.footer-intro{font-size:14px;color:var(--muted);line-height:1.8}
.footer-sign{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--cyan)}
.footer-col-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-list li+li{margin-top:8px}
.footer-link{
  display:inline-block;
  font-size:14.5px;
  color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-link:hover{color:var(--cyan);padding-left:5px}
.footer-notes li{position:relative;padding-left:15px;font-size:13.5px;line-height:1.7;color:var(--muted)}
.footer-notes li+li{margin-top:8px}
.footer-notes li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:6px;height:6px;
  background:var(--coral);
  transform:rotate(45deg);
}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
  margin-top:34px;
  padding-top:20px;
  border-top:1px dashed var(--line);
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--muted);
}
.contact-key{color:var(--text);margin-right:4px}
.footer-sub{margin-top:14px;font-size:13px;color:var(--muted);max-width:78ch}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px 22px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--muted);
}

/* ---------- 平板 ---------- */
@media (max-width:1024px){
  :root{--gutter:5vw;--header-space:110px}
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin-left:0;
    padding:14px;
    border-radius:22px;
    background:rgba(4,20,15,.97);
    border:1px solid rgba(43,245,200,.2);
    box-shadow:var(--shadow-soft);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .site-header[data-open] .nav-links{display:flex}
  .nav-link{width:100%;padding:12px 14px;font-size:15.5px}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:span 2}
  .col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 12}
}

/* ---------- 手机 ---------- */
@media (max-width:720px){
  :root{--header-space:104px}
  body{font-size:16px;line-height:1.72}
  .status-hide-sm{display:none}
  .status-bar{padding:6px 14px;font-size:11.5px}
  .nav-shell{padding:7px 8px 7px 12px}
  .brand-sign{display:none}
  .brand-mark{width:34px;height:34px;font-size:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
  .footer-legal{flex-direction:column}
  .to-top{width:42px;height:42px}
}
@media (max-width:560px){
  .nav-actions .btn{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal,.reveal--cut{opacity:1;transform:none}
  .status-dot,.pulse-node{animation:none}
}