/* ===================================================================
   新万博纯净版 · 共享样式 /assets/site.css
   数据实验室视觉：深墨绿连续画布 + 青柠锚点 + 等宽数据仪表
   =================================================================== */

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

/* ---------- 2. 设计变量 ---------- */
:root{
  --ink-900:#06130F;
  --ink-800:#0A1D17;
  --ink-700:#0D2A21;
  --ink-600:#123326;
  --moss:#2D4A3E;
  --silver:#C5D0CB;
  --fog:#F3F7F4;
  --steel:#8A9993;
  --lime:#B8FF3D;
  --amber:#FFB547;
  --coral:#FF6B5A;
  --mist:#E6F3E9;

  --font-body:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-display:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono","IBM Plex Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --radius-pill:999px;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:22px;
  --line:rgba(45,74,62,.92);
  --line-soft:rgba(45,74,62,.55);
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow-hard:8px 8px 0 rgba(45,74,62,.5);
  --header-gap:clamp(10px,1.4vw,18px);
}

/* ---------- 3. 文档与中文排版 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:clamp(16px,0.35vw + 15px,17.5px);
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--silver);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(880px 520px at 88% -6%, rgba(184,255,61,.07), transparent 64%),
    radial-gradient(720px 460px at -8% 46%, rgba(45,74,62,.5), transparent 72%),
    repeating-linear-gradient(90deg, rgba(197,208,203,.035) 0 1px, transparent 1px clamp(78px,7vw,132px));
  background-repeat:no-repeat,no-repeat,repeat;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:900;
  color:var(--fog);
  letter-spacing:-.03em;
  line-height:1.12;
}
strong{color:var(--fog);font-weight:800}
::selection{background:var(--lime);color:var(--ink-900)}
[id]{scroll-margin-top:118px}
#main-content{padding-block-start:clamp(88px,10vw,128px)}

/* ---------- 4. 布局原语 ---------- */
.wrap{width:min(1240px,calc(100% - clamp(28px,5vw,72px)));margin-inline:auto}
.section{padding-block:clamp(44px,6vw,92px);position:relative}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px 32px;margin-bottom:clamp(22px,3vw,40px)}
.stack{display:grid;gap:clamp(14px,2vw,26px)}
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.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-fit,minmax(min(100%,248px),1fr))}
.rule{height:1px;border:0;margin-block:clamp(26px,4vw,48px);background:linear-gradient(90deg,var(--line-soft),rgba(45,74,62,0))}

/* ---------- 5. 展览式标题系统 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--lime);line-height:1.4;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--lime);flex:0 0 auto}
.display{
  font-size:clamp(42px,8.6vw,104px);font-weight:900;line-height:.94;
  letter-spacing:-.045em;color:var(--fog);
}
.h1{font-size:clamp(34px,6vw,68px);font-weight:900;line-height:1;letter-spacing:-.04em;color:var(--fog)}
.h2{font-size:clamp(27px,4vw,46px);font-weight:900;line-height:1.06;letter-spacing:-.035em;color:var(--fog)}
.h3{font-size:clamp(20px,2.2vw,27px);font-weight:800;line-height:1.24;letter-spacing:-.02em;color:var(--fog)}
.lede{font-size:clamp(16px,1.3vw,18.5px);line-height:1.78;color:var(--silver);max-width:62ch}
.note{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--steel);line-height:1.7}
.vertical-note{
  writing-mode:vertical-rl;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.36em;text-transform:uppercase;color:var(--steel);
}
.prose{max-width:74ch}
.prose p{margin-block:0 1.05em;color:var(--silver)}
.prose h2{margin-block:1.6em .6em}
.prose h3{margin-block:1.4em .5em}
.prose a{color:var(--lime);border-bottom:1px solid rgba(184,255,61,.4)}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--steel);margin-bottom:clamp(14px,2vw,24px)}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:var(--moss);margin-inline-end:8px}
.breadcrumb-item a{color:var(--steel);transition:color .18s}
.breadcrumb-item a:hover{color:var(--lime)}
.breadcrumb-current{color:var(--fog)}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-size:14px;font-weight:800;letter-spacing:.02em;
  line-height:1.2;padding:12px 22px;border-radius:var(--radius-pill);
  border:2px solid transparent;text-align:center;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background-color .18s,color .18s,border-color .18s;
}
.btn-lime{background:var(--lime);color:var(--ink-900);border-color:var(--lime);box-shadow:0 5px 0 -1px rgba(45,74,62,.95)}
.btn-lime:hover{transform:translate(-1px,-2px);box-shadow:0 8px 0 -1px rgba(45,74,62,.95)}
.btn-lime:active{transform:translate(0,0);box-shadow:0 3px 0 -1px rgba(45,74,62,.95)}
.btn-ghost{background:rgba(13,42,33,.55);color:var(--fog);border-color:var(--moss)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-block{width:100%}

/* ---------- 8. 标签 / 芯片 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  padding:4px 10px;border-radius:4px;border:1px solid var(--line-soft);
  color:var(--silver);background:rgba(6,19,15,.5);line-height:1.6;
}
.tag-lime{border-color:rgba(184,255,61,.45);color:var(--lime);background:rgba(184,255,61,.08)}
.tag-amber{border-color:rgba(255,181,71,.45);color:var(--amber);background:rgba(255,181,71,.08)}
.tag-coral{border-color:rgba(255,107,90,.45);color:var(--coral);background:rgba(255,107,90,.08)}
.status-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(184,255,61,.16);
  flex:0 0 auto;vertical-align:middle;
}
.status-dot-steel{background:var(--steel);box-shadow:0 0 0 3px rgba(138,153,147,.16)}

/* ---------- 9. 筛选器（仅筛选当前页已有内容） ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;
  padding:9px 15px;border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);background:rgba(13,42,33,.6);color:var(--silver);
  transition:background-color .18s,color .18s,border-color .18s,transform .18s var(--ease);
}
.filter-chip:hover{border-color:rgba(184,255,61,.5);color:var(--fog);transform:translateY(-1px)}
.filter-chip[aria-pressed="true"],.filter-chip.is-active{
  background:var(--lime);border-color:var(--lime);color:var(--ink-900);font-weight:800;
}
.filter-count{
  font-size:10.5px;line-height:1;padding:3px 6px;border-radius:var(--radius-pill);
  background:rgba(6,19,15,.2);color:inherit;
}
.filter-empty{
  font-family:var(--font-mono);font-size:12.5px;color:var(--steel);
  border:1px dashed var(--line-soft);border-radius:var(--radius-md);
  padding:22px;text-align:center;
}

/* ---------- 10. 视图切换（纯净版 / 旧版 / 差异） ---------- */
.view-tabs{
  display:inline-flex;align-items:center;gap:4px;padding:4px;
  border:1px solid var(--line-soft);border-radius:var(--radius-pill);
  background:rgba(13,42,33,.7);
}
.view-tab{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  padding:7px 15px;border-radius:var(--radius-pill);color:var(--silver);
  transition:background-color .18s,color .18s;
}
.view-tab:hover{color:var(--fog)}
.view-tab[aria-selected="true"]{background:var(--fog);color:var(--ink-900);font-weight:700}
.view-tab[data-view-btn="diff"][aria-selected="true"]{background:var(--amber);color:var(--ink-900)}
.view-panel{animation:viewIn .3s var(--ease) both}
@keyframes viewIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- 11. 面板 ---------- */
.panel{
  background:linear-gradient(180deg,rgba(13,42,33,.86),rgba(6,19,15,.92));
  border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:clamp(16px,2.4vw,28px);
}
.panel-brutal{border:2px solid var(--line);box-shadow:var(--shadow-hard)}

/* ---------- 12. 对照结构（左纯净 / 右旧版） ---------- */
.cmp{display:grid;grid-template-columns:minmax(0,1fr) 1px minmax(0,1fr);gap:clamp(14px,2.4vw,36px);align-items:stretch}
.cmp-axis{align-self:stretch;background:linear-gradient(180deg,transparent,var(--line-soft) 12%,var(--line-soft) 88%,transparent)}
.cmp-side{padding:clamp(14px,2vw,22px);border:1px solid var(--line-soft);border-radius:var(--radius-md);background:rgba(13,42,33,.42)}
.cmp-side-pure{border-color:rgba(184,255,61,.32);background:rgba(184,255,61,.05)}
.cmp-side-legacy{border-color:rgba(138,153,147,.3);background:rgba(10,29,23,.6)}
.cmp-label{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--steel);margin-bottom:12px;
}

/* ---------- 13. 数据 ---------- */
.data-table{width:100%;font-family:var(--font-mono);font-size:13px}
.data-table caption{
  text-align:left;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--steel);padding-bottom:10px;
}
.data-table th,.data-table td{padding:11px 12px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:middle}
.data-table thead th{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--steel);border-bottom:1px solid var(--line)}
.data-table tbody tr{transition:background-color .18s}
.data-table tbody tr:hover{background:rgba(184,255,61,.06)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.data-value{
  font-family:var(--font-mono);font-size:clamp(26px,3.6vw,44px);font-weight:700;
  line-height:1.05;letter-spacing:-.02em;color:var(--fog);font-variant-numeric:tabular-nums;
}
.data-value-lime{color:var(--lime)}
.delta{font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.02em}
.delta-up{color:var(--amber)}
.delta-up::before{content:"▲ ";font-size:.78em}
.delta-down{color:var(--coral)}
.delta-down::before{content:"▼ ";font-size:.78em}
.delta-flat{color:var(--steel)}
.delta-flat::before{content:"— ";font-size:.78em}

/* ---------- 14. 响应式图片容器 ---------- */
.media{
  position:relative;isolation:isolate;overflow:hidden;
  border:2px solid var(--line);border-radius:var(--radius-md);
  background:linear-gradient(135deg,#0D2A21 0%,#06130F 56%,#123326 100%);
}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(90deg,rgba(184,255,61,.09) 1px,transparent 1px),
    linear-gradient(rgba(184,255,61,.09) 1px,transparent 1px);
  background-size:48px 48px;opacity:.55;mix-blend-mode:screen;
}
.media-16x9{aspect-ratio:16/9}
.media-4x3{aspect-ratio:4/3}
.media-square{aspect-ratio:1/1}
.media-diagonal{clip-path:polygon(0 0,100% 0,100% 84%,0 100%)}
.media-placeholder{
  position:absolute;inset:0;display:grid;place-items:center;z-index:0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;
  color:var(--steel);text-transform:uppercase;text-align:center;padding:16px;
}
.media-caption{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:var(--steel);margin-top:9px}

/* ---------- 15. 页头：悬浮胶囊仪表 ---------- */
.skip-link{
  position:fixed;top:0;left:50%;z-index:200;
  transform:translate(-50%,-160%);
  background:var(--lime);color:var(--ink-900);
  font-weight:800;font-size:14px;letter-spacing:.04em;
  padding:12px 24px;border-radius:0 0 14px 14px;
  transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translate(-50%,0)}

.site-header{
  position:fixed;inset-inline:0;inset-block-start:var(--header-gap);
  z-index:120;padding-inline:clamp(12px,3vw,32px);
  pointer-events:none;
  transition:inset-block-start .28s var(--ease);
}
.site-header[data-condensed]{inset-block-start:clamp(6px,.8vw,10px)}

.scroll-progress{
  position:fixed;inset-block-start:0;inset-inline:0;height:3px;z-index:130;
  background:rgba(45,74,62,.45);pointer-events:none;
}
.scroll-progress-bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),#8fe22b);
  box-shadow:0 0 14px rgba(184,255,61,.55);
  transition:transform .1s linear;
}

.header-island{
  position:relative;z-index:0;
  max-width:1320px;margin-inline:auto;
  display:flex;align-items:center;gap:clamp(8px,1.4vw,20px);
  padding:8px 10px 8px 12px;
  border:2px solid var(--line);border-radius:var(--radius-pill);
  pointer-events:auto;
}
.header-island::before{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  background:linear-gradient(180deg,rgba(13,42,33,.9),rgba(6,19,15,.94));
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;border-radius:var(--radius-pill)}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--lime);color:var(--ink-900);border-radius:12px;
  box-shadow:3px 3px 0 rgba(45,74,62,.95);
  transform:rotate(-5deg);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(0) translateY(-1px);box-shadow:4px 5px 0 rgba(45,74,62,.95)}
.brand-glyph{font-size:18px;font-weight:900;line-height:1;letter-spacing:0}
.brand-copy{display:flex;flex-direction:column;gap:1px;min-width:0}
.brand-name{font-size:15px;font-weight:800;line-height:1.2;letter-spacing:.02em;color:var(--fog);white-space:nowrap}
.brand-tag{
  font-family:var(--font-mono);font-size:10.5px;line-height:1.2;letter-spacing:.06em;
  color:var(--steel);white-space:nowrap;
  max-height:16px;overflow:hidden;
  transition:max-height .26s var(--ease),opacity .2s ease;
}
.site-header[data-condensed] .brand-tag{max-height:0;opacity:0}

/* 当前栏目胶囊（收拢时出现） */
.nav-current{
  display:none;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:var(--lime);padding:6px 14px;white-space:nowrap;
  border:1px solid rgba(184,255,61,.35);border-radius:var(--radius-pill);
  background:rgba(184,255,61,.08);
}
.nav-current-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(184,255,61,.16)}
@media (min-width:1041px){
  .site-header[data-condensed] .nav-current{display:inline-flex}
}

/* 主导航 */
.site-nav{margin-inline-start:auto;display:flex;align-items:center;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:9px 12px;border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:600;color:var(--silver);
  transition:color .18s,background-color .18s,box-shadow .18s;
}
.nav-link:hover{color:var(--fog);background:rgba(184,255,61,.09)}
.nav-dot{
  width:6px;height:6px;border-radius:50%;flex:0 0 auto;
  background:transparent;transition:background-color .2s,box-shadow .2s;
}
.nav-link[aria-current="page"]{
  color:var(--fog);background:rgba(184,255,61,.12);
  box-shadow:inset 0 0 0 1px rgba(184,255,61,.34);
}
.nav-link[aria-current="page"] .nav-dot{background:var(--lime);box-shadow:0 0 0 3px rgba(184,255,61,.16)}

.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.header-cta{padding:10px 18px;font-size:13.5px}
.nav-panel-extra{display:none}

/* 汉堡 */
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:2px solid var(--line);border-radius:14px;
  background:rgba(13,42,33,.85);
  transition:border-color .18s,background-color .18s;
}
.nav-toggle:hover{border-color:rgba(184,255,61,.55)}
.toggle-bar{display:block;width:18px;height:2px;border-radius:2px;background:var(--fog);transition:transform .24s var(--ease),opacity .18s}
.site-header[data-open] .nav-toggle{border-color:var(--lime)}
.site-header[data-open] .toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header[data-open] .toggle-bar:nth-child(2){opacity:0}
.site-header[data-open] .toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 16. 页脚：数据舱底板 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,7vw,96px);
  border-top:2px solid var(--line);
  background:linear-gradient(180deg,#06130F 0%,#0D2A21 52%,#081914 100%);
  padding-block:clamp(40px,6vw,76px) clamp(28px,4vw,44px);
  color:var(--silver);
}
.site-footer::before{
  content:"";position:absolute;inset-block-start:0;inset-inline-start:0;
  width:min(520px,62%);height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(184,255,61,0));
}
.footer-ghost{
  position:absolute;inset-inline-end:-2%;inset-block-end:-4%;z-index:0;
  font-family:var(--font-mono);font-weight:700;line-height:.78;letter-spacing:-.05em;
  font-size:clamp(96px,20vw,260px);color:transparent;
  -webkit-text-stroke:1px rgba(197,208,203,.1);
  pointer-events:none;user-select:none;
}
.footer-inner{position:relative;z-index:1}
.footer-top{
  display:grid;grid-template-columns:minmax(230px,1fr) minmax(0,1.9fr);
  gap:clamp(28px,4vw,64px);align-items:start;
}
.footer-kicker{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--lime);margin-bottom:14px;
}
.footer-wordmark{
  font-family:var(--font-display);font-size:clamp(34px,4.4vw,56px);
  font-weight:900;line-height:.95;letter-spacing:-.04em;color:var(--fog);
}
.footer-brandline{margin-top:14px;font-size:14px;color:var(--silver)}
.footer-note{margin-top:8px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;color:var(--steel)}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.6vw,40px)}
.footer-col-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--lime);
  padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--line-soft);
}
.footer-links{display:grid;gap:9px}
.footer-link{
  display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:var(--silver);
  transition:color .18s,transform .18s var(--ease);
}
.footer-link::before{content:"";width:9px;height:1px;background:var(--moss);flex:0 0 auto;transition:width .2s var(--ease),background-color .2s}
.footer-link:hover{color:var(--lime);transform:translateX(1px)}
.footer-link:hover::before{width:16px;background:var(--lime)}

.footer-status{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:clamp(14px,2vw,26px);
  margin-top:clamp(30px,4vw,52px);padding-top:clamp(22px,3vw,32px);
  border-top:1px solid var(--line-soft);
}
.status-cell{padding-inline-start:14px;border-inline-start:2px solid var(--moss);transition:border-color .2s}
.status-cell:hover{border-inline-start-color:var(--lime)}
.status-key{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  color:var(--steel);margin-bottom:6px;text-transform:uppercase;
}
.status-value{font-size:14px;line-height:1.65;color:var(--fog);word-break:break-word;font-family:var(--font-mono)}
.status-link{color:var(--fog);border-bottom:1px solid var(--line-soft);transition:color .18s,border-color .18s}
.status-link:hover{color:var(--lime);border-color:var(--lime)}
.copy-btn{
  margin-top:9px;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;
  padding:4px 11px;color:var(--steel);
  border:1px dashed var(--line-soft);border-radius:var(--radius-pill);
  transition:color .18s,border-color .18s,background-color .18s;
}
.copy-btn:hover{color:var(--lime);border-color:var(--lime)}
.copy-btn[data-copied]{background:var(--lime);border-style:solid;border-color:var(--lime);color:var(--ink-900);font-weight:700}

.footer-legal{
  margin-top:clamp(26px,3.4vw,40px);padding-top:16px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:var(--steel);
}
.footer-legal-text{display:inline-flex;align-items:center;gap:8px}
.footer-legal-text + .footer-legal-text::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--moss)}

/* ---------- 17. 滚显与焦点 ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
:where(a,button,summary,input,[tabindex]):focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

/* ---------- 18. 平板与移动 ---------- */
@media (max-width:1180px){
  .brand-tag{max-height:0;opacity:0}
}
@media (max-width:1040px){
  #main-content{padding-block-start:clamp(56px,8vw,84px)}
  .site-header,.site-header[data-condensed]{
    inset-block-start:auto;
    inset-block-end:calc(10px + env(safe-area-inset-bottom,0px));
  }
  .header-island{padding:8px 10px;gap:10px}
  .brand-name{font-size:14px}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .nav-current{display:none !important}

  .site-nav{
    position:fixed;display:block;margin:0;
    inset-inline:clamp(12px,3vw,24px);
    inset-block-end:calc(84px + env(safe-area-inset-bottom,0px));
    z-index:110;padding:14px;
    border:2px solid var(--line);border-radius:var(--radius-lg);
    background:linear-gradient(180deg,rgba(13,42,33,.985),rgba(6,19,15,.995));
    box-shadow:0 32px 70px -24px #000;
    max-height:min(70vh,520px);overflow-y:auto;
    opacity:0;visibility:hidden;
    transform:translateY(18px) scale(.985);
    transform-origin:50% 100%;
    transition:opacity .2s ease,transform .3s var(--ease),visibility .3s;
  }
  .site-header[data-open] .site-nav{opacity:1;visibility:visible;transform:none}
  .nav-list{display:grid;gap:4px}
  .nav-link{padding:13px 14px;font-size:15px;justify-content:flex-start}
  .nav-link .nav-dot{width:7px;height:7px}
  .nav-panel-extra{
    display:grid;gap:10px;margin-top:14px;padding-top:14px;
    border-top:1px solid var(--line-soft);
  }
  .nav-panel-cta{width:100%;padding:13px 18px;font-size:15px}
  .nav-panel-note{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--steel);text-align:center}
  body.is-nav-open{overflow:hidden}
  .site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .vertical-note{
    writing-mode:horizontal-tb;letter-spacing:.14em;
    display:inline-flex;align-items:center;
    padding:4px 12px;border:1px solid var(--line-soft);
    border-radius:var(--radius-pill);color:var(--silver);
  }
}
@media (max-width:820px){
  .cmp{grid-template-columns:1fr}
  .cmp-axis{height:1px;background:linear-gradient(90deg,transparent,var(--line-soft),transparent);align-self:auto}
}
@media (max-width:720px){
  .footer-nav{grid-template-columns:1fr;gap:22px}
  .footer-status{grid-template-columns:1fr}
  .footer-legal{font-size:11px;gap:6px 16px}
  .footer-legal-text + .footer-legal-text::before{display:none}
  .footer-ghost{inset-block-end:-2%;opacity:.7}
  .data-table th,.data-table td{padding:9px 8px}
  .btn{padding:11px 18px;font-size:13.5px}
  .section{padding-block:clamp(36px,7vw,56px)}
}
@media (max-width:420px){
  .brand-name{display:none}
  .header-island{padding:7px 8px}
}

/* ---------- 19. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .view-panel{animation:none}
  .site-nav{transform:none}
}