/* ==========================================================================
   九游会赛场 — 共享站点样式 /assets/site.css
   夜场转播控制台 · 短路径 · 展览画册节奏
   ========================================================================== */

/* ---------- 变量 ---------- */
:root{
  --c-deep:#041713;
  --c-panel:#082A24;
  --c-data:#0B1626;
  --c-mint:#13F2C8;
  --c-mist:#8FFFE4;
  --c-orange:#FF6B1A;
  --c-amber:#F6C453;
  --c-ice:#EAFBF5;
  --c-sage:#A9C4BC;
  --c-line:#2E6F63;

  --font-display:"Barlow Condensed","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono","Noto Sans Mono",monospace;

  --shell:1440px;
  --gutter:clamp(20px,4vw,64px);
  --header-h:80px;
  --cut:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --hair:1px solid rgba(46,111,99,.42);
  --shadow-deep:0 30px 70px -40px #000;
}

/* ---------- 重置 ---------- */
*,*::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,dt,dd,address{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,picture,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse}

/* ---------- 基础与中文排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--c-deep);
  color:var(--c-ice);
  font-family:var(--font-body);
  font-size:clamp(16px,1.05vw,17.5px);
  line-height:1.75;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:repeating-linear-gradient(
    180deg,
    rgba(143,255,228,.05) 0,
    rgba(143,255,228,.05) 1px,
    transparent 1px,
    transparent 4px
  );
  opacity:.55;
}
p,li{text-wrap:pretty}
h1,h2,h3,h4{text-wrap:balance}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:.01em}
strong{font-weight:700;color:var(--c-mist)}
a{color:var(--c-mint);text-decoration:none}
a:hover{color:var(--c-mist)}
::selection{background:rgba(19,242,200,.28);color:var(--c-ice)}

:focus-visible{outline:2px solid var(--c-mint);outline-offset:3px;border-radius:2px}

/* ---------- 工具类 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.coord{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-sage);
}
.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}
.stack{display:flex;flex-direction:column;gap:clamp(14px,1.6vw,22px)}

/* ---------- 跳至主要内容 ---------- */
.skip-link{
  position:absolute;
  left:var(--gutter);
  top:-120px;
  z-index:120;
  padding:10px 20px;
  background:var(--c-mint);
  color:#02211B;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.94rem;
  letter-spacing:.1em;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  transition:top .22s var(--ease);
}
.skip-link:focus{top:10px;color:#02211B}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  transition:background-color .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:linear-gradient(
    180deg,
    rgba(4,23,19,.94) 0%,
    rgba(4,23,19,.62) 56%,
    rgba(4,23,19,0) 100%
  );
  transition:opacity .35s var(--ease);
}
.site-header.is-stuck,
.site-header.nav-open{
  background:var(--c-panel);
  box-shadow:0 1px 0 var(--c-line),0 22px 46px -34px #000;
}
.site-header.is-stuck::before,
.site-header.nav-open::before{opacity:0}

.header-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:clamp(14px,2.4vw,40px);
  width:100%;
  max-width:var(--shell);
  min-height:var(--header-h);
  margin-inline:auto;
  padding:12px var(--gutter);
}
.header-progress{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  display:block;
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--c-mint),var(--c-orange));
  transition:width .1s linear;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--c-ice);
}
.brand:hover{color:var(--c-ice)}
.brand-mark{
  position:relative;
  flex:none;
  width:36px;
  height:36px;
  background:linear-gradient(140deg,rgba(19,242,200,.28),rgba(19,242,200,.02) 62%);
  box-shadow:inset 0 0 0 1px var(--c-line);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:8px;
  bottom:9px;
  width:20px;
  height:2px;
  background:var(--c-mint);
  transform:rotate(-38deg);
  transform-origin:left center;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:16px;
  bottom:9px;
  width:10px;
  height:2px;
  background:var(--c-orange);
  transform:rotate(-38deg);
  transform-origin:left center;
}
.brand-text{display:grid;gap:3px}
.brand-name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.18rem;
  line-height:1.1;
  letter-spacing:.08em;
  color:var(--c-ice);
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:.58rem;
  line-height:1.2;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-sage);
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:9px 12px;
  border:1px solid var(--c-line);
  color:var(--c-ice);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-mint);color:var(--c-mint)}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:22px;
  height:2px;
  background:var(--c-mint);
  transition:background-color .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:22px;
  height:2px;
  background:var(--c-mint);
  transition:top .24s var(--ease),transform .24s var(--ease);
}
.nav-toggle-bars::before{top:-7px}
.nav-toggle-bars::after{top:7px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg)}

/* 主导航 */
.primary-nav{
  display:flex;
  align-items:center;
  gap:clamp(14px,2vw,30px);
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.7vw,26px);
  counter-reset:navi;
}
.nav-list > li > a{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:10px 2px;
  color:var(--c-sage);
  font-family:var(--font-display);
  font-weight:600;
  font-size:.94rem;
  letter-spacing:.08em;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-list > li > a::before{
  counter-increment:navi;
  content:"0" counter(navi);
  font-family:var(--font-mono);
  font-size:.54rem;
  letter-spacing:.1em;
  color:var(--c-line);
  transition:color .2s var(--ease);
}
.nav-list > li > a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:2px;
  background:var(--c-mint);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-list > li > a:hover,
.nav-list > li > a:focus-visible{color:var(--c-ice)}
.nav-list > li > a:hover::after,
.nav-list > li > a:focus-visible::after{transform:scaleX(1)}
.nav-list > li > a[aria-current="page"]{color:var(--c-mint)}
.nav-list > li > a[aria-current="page"]::before{color:var(--c-mint)}
.nav-list > li > a[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  --btn-bg:var(--c-mint);
  --btn-fg:#02211B;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:.78em 1.32em;
  background:var(--btn-bg);
  color:var(--btn-fg);
  font-family:var(--font-display);
  font-weight:800;
  font-size:.92rem;
  letter-spacing:.1em;
  white-space:nowrap;
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
  transition:transform .2s var(--ease),filter .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08);color:var(--btn-fg)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--c-ice)}
.btn--mint{--btn-bg:var(--c-mint);--btn-fg:#02211B}
.btn--signal{--btn-bg:var(--c-orange);--btn-fg:#1B0700}
.btn--ghost{
  --btn-bg:transparent;
  --btn-fg:var(--c-ice);
  box-shadow:inset 0 0 0 1px var(--c-line);
}
.btn--ghost:hover{--btn-fg:var(--c-mint);box-shadow:inset 0 0 0 1px var(--c-mint)}
.btn--ghost:focus-visible{box-shadow:inset 0 0 0 3px var(--c-mint)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid rgba(19,242,200,.36);
  background:rgba(19,242,200,.12);
  color:var(--c-mint);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag--signal{
  border-color:rgba(255,107,26,.42);
  background:rgba(255,107,26,.14);
  color:var(--c-orange);
}
.tag--amber{
  border-color:rgba(246,196,83,.42);
  background:rgba(246,196,83,.14);
  color:var(--c-amber);
}

/* ---------- 章节与标题 ---------- */
.section{position:relative;padding-block:clamp(48px,7vw,96px)}
.section-head{max-width:66ch;margin-bottom:clamp(26px,4vw,52px)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--c-mint);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--c-mint)}
.section-title{
  margin-top:16px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.9rem,3.6vw,3rem);
  line-height:1.02;
  letter-spacing:.01em;
}
.section-lede{
  margin-top:18px;
  max-width:56ch;
  color:var(--c-sage);
  font-size:clamp(1rem,1.1vw,1.08rem);
}
.display-title{
  font-family:var(--font-display);
  font-weight:200;
  font-size:clamp(3.2rem,8vw,8rem);
  line-height:.92;
  letter-spacing:-.012em;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:18px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  color:var(--c-sage);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"›";color:var(--c-line);letter-spacing:0}
.breadcrumb a{color:var(--c-sage);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb a:hover{color:var(--c-mint);border-bottom-color:var(--c-mint)}
.breadcrumb [aria-current="page"]{color:var(--c-ice)}

/* ---------- 正文容器 ---------- */
.prose{max-width:72ch;color:var(--c-ice)}
.prose p + p{margin-top:1.05em}
.prose h2{
  margin:2.1em 0 .55em;
  font-size:clamp(1.4rem,2.2vw,1.9rem);
  letter-spacing:.01em;
}
.prose h3{margin:1.8em 0 .5em;font-size:clamp(1.1rem,1.6vw,1.32rem)}
.prose ul,.prose ol{margin:1em 0;padding-left:1.15em}
.prose ul li{list-style:none;position:relative;padding-left:.9em;margin:.4em 0}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--c-mint)}
.prose ol{list-style:decimal;color:var(--c-ice)}
.prose ol li{margin:.4em 0;padding-left:.3em}
.prose a{border-bottom:1px solid rgba(19,242,200,.5);transition:border-color .2s var(--ease),color .2s var(--ease)}
.prose a:hover{border-bottom-color:var(--c-mist)}
.prose strong{color:var(--c-mist)}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--split{grid-template-columns:minmax(0,1.38fr) minmax(0,1fr)}
.grid--index{grid-template-columns:minmax(0,.3fr) minmax(0,1fr)}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}

/* ---------- 面板 ---------- */
.panel{
  position:relative;
  padding:clamp(20px,2.4vw,32px);
  background:var(--c-panel);
  border:var(--hair);
  box-shadow:var(--shadow-deep);
}
.panel--cut{
  border:0;
  background:linear-gradient(158deg,var(--c-panel) 0%,#061E1A 100%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%);
}
.panel--data{background:var(--c-data);border-color:rgba(46,111,99,.62)}
.panel-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:var(--hair);
}
.panel-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.06rem;
  letter-spacing:.06em;
}
.panel-meta{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-sage);
  white-space:nowrap;
}

/* ---------- 数据表 ---------- */
.data-table{
  width:100%;
  font-family:var(--font-mono);
  font-size:.84rem;
  font-variant-numeric:tabular-nums;
  color:var(--c-ice);
}
.data-table th,
.data-table td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid rgba(46,111,99,.34);
  vertical-align:middle;
}
.data-table thead th{
  position:sticky;
  top:var(--header-h);
  z-index:2;
  background:var(--c-data);
  color:var(--c-mint);
  font-size:.7rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  white-space:nowrap;
}
.data-table tbody tr{transition:background-color .18s var(--ease)}
.data-table tbody tr:hover{background:rgba(19,242,200,.05)}
.data-table td:first-child,
.data-table th:first-child{position:sticky;left:0;background:var(--c-data);z-index:1}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid rgba(46,111,99,.45);
  background:linear-gradient(145deg,var(--c-data) 0%,var(--c-panel) 58%,#06211C 100%);
}
.media-frame > img,
.media-frame > picture > img,
.media-frame > svg{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.05);
}
.media-frame::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:repeating-linear-gradient(
    180deg,
    rgba(4,23,19,.2) 0,
    rgba(4,23,19,.2) 1px,
    transparent 1px,
    transparent 5px
  );
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(4,23,19,0) 46%,rgba(4,23,19,.74) 100%);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--c-sage);
}

/* ---------- 显现 ---------- */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,8vw,120px);
  background:linear-gradient(180deg,rgba(8,42,36,.56) 0%,var(--c-deep) 44%);
  border-top:1px solid var(--c-line);
}
.footer-route{
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:repeating-linear-gradient(90deg,var(--c-line) 0 28px,transparent 28px 58px);
  opacity:.9;
}
.footer-route::after{
  content:"";
  position:absolute;
  left:12%;
  top:-3px;
  width:7px;
  height:7px;
  background:var(--c-mint);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(0,1.7fr) minmax(0,.75fr) minmax(0,.85fr) minmax(0,1.25fr);
  gap:clamp(28px,3.4vw,48px);
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(44px,6vw,76px) var(--gutter) 0;
}
.footer-eyebrow{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--c-sage);
}
.footer-wordmark{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(2.2rem,4.4vw,3.4rem);
  line-height:1;
  letter-spacing:.03em;
  color:var(--c-ice);
}
.footer-line{
  margin-top:12px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.08em;
  color:var(--c-mint);
}
.footer-summary{
  margin-top:14px;
  max-width:40ch;
  font-size:.94rem;
  line-height:1.78;
  color:var(--c-sage);
}
.footer-col{min-width:0}
.footer-title{
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(46,111,99,.4);
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-mint);
}
.footer-links{padding-left:14px}
.footer-links li + li{margin-top:10px}
.footer-links a{
  position:relative;
  display:inline-block;
  color:var(--c-sage);
  font-size:.94rem;
  line-height:1.6;
  transition:color .2s var(--ease);
}
.footer-links a::before{
  content:"";
  position:absolute;
  left:-14px;
  top:.76em;
  width:8px;
  height:1px;
  background:var(--c-line);
  transition:width .2s var(--ease),background-color .2s var(--ease);
}
.footer-links a:hover{color:var(--c-mint)}
.footer-links a:hover::before{width:12px;background:var(--c-mint)}
.footer-contact-list{display:grid;gap:10px;font-style:normal}
.footer-contact-item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:10px;
  font-size:.9rem;
  line-height:1.65;
  color:var(--c-ice);
  overflow-wrap:anywhere;
}
.footer-contact-key{
  padding-top:.3em;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-sage);
}
.footer-hours{
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.06em;
  color:var(--c-amber);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
  width:100%;
  max-width:var(--shell);
  margin:clamp(32px,4.5vw,56px) auto 0;
  padding:20px var(--gutter) 32px;
  border-top:1px solid rgba(46,111,99,.35);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--c-sage);
}
.footer-note{
  flex:1 1 320px;
  min-width:min(100%,260px);
  line-height:1.66;
  color:rgba(169,196,188,.82);
}

/* ---------- 响应式：平板 ---------- */
@media (max-width:1080px){
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--index{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:960px){
  .grid--split,
  .grid--halves{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 响应式：移动导航 ---------- */
@media (max-width:920px){
  :root{--header-h:66px}

  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    padding:10px var(--gutter) 26px;
    background:var(--c-panel);
    border-top:var(--hair);
    border-bottom:var(--hair);
    box-shadow:0 28px 46px -32px #000;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .primary-nav[data-open="true"]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;counter-reset:navi}
  .nav-list > li > a{
    display:flex;
    align-items:center;
    gap:12px;
    padding:14px 4px;
    border-bottom:1px solid rgba(46,111,99,.32);
    font-size:1.04rem;
    color:var(--c-ice);
  }
  .nav-list > li > a::before{font-size:.62rem;color:var(--c-line)}
  .nav-list > li > a::after{display:none}
  .nav-list > li > a[aria-current="page"]{
    color:var(--c-mint);
    border-bottom-color:rgba(19,242,200,.5);
  }
  .nav-list > li > a[aria-current="page"]::before{color:var(--c-mint)}
  .nav-cta{margin-top:20px;width:100%}
}

/* ---------- 响应式：手机 ---------- */
@media (max-width:640px){
  .brand-mark{width:30px;height:30px}
  .brand-name{font-size:1.04rem}
  .brand-sub{font-size:.52rem;letter-spacing:.16em}
  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-base{flex-direction:column;align-items:flex-start;gap:8px}
  .data-table{font-size:.78rem}
  .data-table th,.data-table td{padding:10px 12px}
  .section{padding-block:clamp(40px,9vw,64px)}
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .header-progress{transition:none}
}