/* ============================================================
   星空体育站 · 共享外壳样式 /assets/site.css
   深空蓝画布 · 电光紫结构 · 荧光青时效 · 暖橙行动
   ============================================================ */

/* ---------- 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{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}

/* ---------- 2. 变量 ---------- */
:root{
  --ink-950:#05081A;
  --ink-900:#0B1230;
  --ink-800:#161F47;
  --ink-700:#1F2A5E;
  --violet:#6C3BFF;
  --violet-soft:#A78BFF;
  --cyan:#35F2D0;
  --orange:#FF8A3D;
  --amber:#FFD166;
  --paper:#F2F5FF;
  --grey:#9AA6C7;
  --line:rgba(167,139,255,.20);
  --line-soft:rgba(154,166,199,.16);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-pill:999px;
  --shell:1320px;
  --pad:clamp(20px,4vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --shadow-lift:0 24px 60px -30px rgba(5,8,26,.95);
}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.02em}
h1{font-size:clamp(38px,6.4vw,92px)}
h2{font-size:clamp(22px,3vw,40px)}
h3{font-size:clamp(18px,2vw,28px)}
strong{font-weight:700}
::selection{background:var(--violet);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
#main-content{outline:none}

/* ---------- 4. 通用工具 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:var(--font-mono);font-size:14px;font-weight:500;letter-spacing:.06em}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.18em;color:var(--grey);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--violet-soft)}
.v-note{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.28em;
  color:var(--grey);
}
.text-cyan{color:var(--cyan)}
.text-orange{color:var(--orange)}
.text-grey{color:var(--grey)}
.stack>*+*{margin-top:16px}

.section{position:relative;padding-block:clamp(48px,7vw,96px)}
.section--alt{background:var(--ink-800);border-radius:clamp(28px,5vw,56px)}
.section--deep{background:var(--ink-950)}

.page-head{display:flex;flex-direction:column;gap:16px;padding-block:clamp(28px,5vw,56px)}
.page-head__title{font-size:clamp(28px,4.6vw,56px)}

.prose{max-width:68ch;font-size:16px;line-height:1.8}
.prose h2{margin:28px 0 12px;font-size:28px}
.prose h3{margin:22px 0 10px;font-size:22px}
.prose p{margin-bottom:14px;color:var(--paper)}
.prose li{margin-bottom:8px;color:var(--grey)}
.prose a{
  color:var(--violet-soft);text-decoration:underline;
  text-decoration-color:rgba(167,139,255,.5);text-underline-offset:3px;
}
.prose a:hover{color:var(--cyan)}

.section-head{display:flex;flex-direction:column;gap:14px;max-width:760px}
.section-head__title{
  position:relative;padding-left:18px;
  font-size:28px;font-weight:700;line-height:1.25;
}
.section-head__title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;
  width:4px;border-radius:4px;background:var(--cyan);
}
.section-head__lead{color:var(--grey);font-size:16px;max-width:62ch}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--grey);
}
.crumbs__item{display:inline-flex;align-items:center;gap:8px}
.crumbs__item+.crumbs__item::before{content:"/";color:rgba(154,166,199,.5)}
.crumbs__link{color:var(--violet-soft)}
.crumbs__link:hover{color:var(--cyan)}
.crumbs__current{color:var(--paper)}

/* ---------- 5. 按钮 / 胶囊 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),
             transform 180ms var(--ease),border-color 180ms var(--ease);
}
.btn--primary{background:var(--orange);color:var(--ink-950);box-shadow:0 14px 34px -18px rgba(255,138,61,.95)}
.btn--primary:hover{transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);background:rgba(31,42,94,.65);color:var(--paper)}
.btn--ghost:hover{border-color:var(--violet-soft);color:#fff}
.btn--quiet{background:rgba(53,242,208,.08);border-color:rgba(53,242,208,.30);color:var(--cyan)}
.btn--quiet:hover{background:rgba(53,242,208,.16)}
.btn--sm{padding:10px 18px;font-size:14px}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  background:rgba(31,42,94,.9);border:1px solid var(--line);color:var(--grey);
}
.pill--live{background:rgba(255,138,61,.16);border-color:rgba(255,138,61,.45);color:var(--orange)}
.pill--fresh{background:rgba(53,242,208,.14);border-color:rgba(53,242,208,.40);color:var(--cyan)}
.pill--violet{background:rgba(108,59,255,.22);border-color:rgba(167,139,255,.40);color:#D9CDFF}
.pill--soon{background:rgba(255,209,102,.14);border-color:rgba(255,209,102,.40);color:var(--amber)}
.pill__dot{width:6px;height:6px;flex:none;border-radius:50%;background:currentColor}

.copy-btn{
  align-self:flex-start;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(53,242,208,.30);background:rgba(53,242,208,.08);
  color:var(--cyan);font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.copy-btn:hover{background:rgba(53,242,208,.18)}
.copy-btn[data-copied]{background:var(--cyan);color:var(--ink-950);border-color:var(--cyan)}

/* ---------- 6. 网格 / 面板 / 数据组件 ---------- */
.grid{display:grid;gap:clamp(20px,3vw,40px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--4-8{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
@media (max-width:960px){
  .grid--3,.grid--5-7,.grid--4-8{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .grid--2{grid-template-columns:minmax(0,1fr)}
}

.panel{
  padding:clamp(20px,3vw,32px);
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(160deg,var(--ink-700),var(--ink-800));
  box-shadow:var(--shadow-lift);
}
.panel--flat{background:var(--ink-800);border-color:var(--line-soft);box-shadow:none}
.data-card{
  padding:clamp(18px,2.4vw,26px);
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(31,42,94,.96),rgba(22,31,71,.92));
  box-shadow:var(--shadow-lift);
}

.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--font-mono);font-size:28px;line-height:1.1;
  letter-spacing:.02em;color:var(--cyan);
}
.stat__label{font-size:14px;color:var(--grey)}
.stat--orange .stat__value{color:var(--orange)}
.stat--amber .stat__value{color:var(--amber)}

.flow{display:flex;flex-direction:column;gap:clamp(18px,2.6vw,32px)}
.flow-item{
  display:grid;grid-template-columns:72px minmax(0,1fr);
  gap:clamp(14px,2vw,28px);align-items:start;
}
.flow-item__slot{display:flex;flex-direction:column;gap:8px;padding-top:4px}
@media (max-width:640px){
  .flow-item{grid-template-columns:minmax(0,1fr)}
}

.field-list{display:grid;gap:10px}
.field-list__row{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px;
  padding-bottom:9px;border-bottom:1px dashed var(--line-soft);font-size:14px;
}
.field-list__key{font-family:var(--font-mono);font-size:14px;letter-spacing:.06em;color:var(--grey)}
.field-list__val{color:var(--paper)}
@media (max-width:520px){
  .field-list__row{grid-template-columns:minmax(0,1fr);gap:4px}
}

.light-band{
  height:2px;width:100%;
  background:linear-gradient(90deg,rgba(53,242,208,0),var(--cyan) 18%,var(--violet) 52%,var(--orange) 82%,rgba(255,138,61,0));
}
.light-band__ticks{
  display:flex;justify-content:space-between;gap:12px;padding-top:12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--grey);
}

/* ---------- 7. 图片容器与装饰 ---------- */
.media-frame{
  position:relative;overflow:hidden;aspect-ratio:16/9;
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(150deg,var(--ink-700),var(--ink-950));
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame__scrim{
  position:absolute;left:0;right:0;bottom:0;height:58%;
  background:linear-gradient(180deg,transparent,rgba(5,8,26,.94));
}
.media-frame__caption{position:absolute;left:0;right:0;bottom:0;padding:18px 22px;font-size:14px;color:var(--paper)}
.media-frame__tag{position:absolute;top:16px;left:16px}

.skyline{
  position:relative;height:clamp(90px,16vw,180px);overflow:hidden;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  border-bottom:1px solid rgba(53,242,208,.35);
  background:
    repeating-linear-gradient(180deg,rgba(167,139,255,.20) 0 2px,transparent 2px 14px),
    linear-gradient(180deg,rgba(11,18,48,0),rgba(31,42,94,.85));
}
.skyline::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);
  opacity:.85;
}

/* ---------- 8. 交互组件 ---------- */
.tablist{
  display:inline-flex;flex-wrap:wrap;gap:6px;padding:6px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(11,18,48,.85);
}
.tab{
  padding:10px 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--grey);
  transition:color 180ms var(--ease),background-color 180ms var(--ease);
}
.tab:hover{color:var(--paper)}
.tab[aria-selected="true"]{
  background:var(--violet);color:#fff;
  box-shadow:0 12px 26px -14px rgba(108,59,255,.95);
}
.tabpanel{padding-top:clamp(18px,2.4vw,28px)}

.acc{border-top:1px solid var(--line-soft)}
.acc__trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;text-align:left;font-size:18px;font-weight:600;color:var(--paper);
}
.acc__trigger:hover{color:var(--cyan)}
.acc__icon{
  position:relative;width:18px;height:18px;flex:none;
  transition:transform 220ms var(--ease);
}
.acc__icon::before,.acc__icon::after{
  content:"";position:absolute;left:0;top:8px;width:18px;height:2px;
  border-radius:2px;background:var(--cyan);
}
.acc__icon::after{transform:rotate(90deg)}
.acc__trigger[aria-expanded="true"] .acc__icon{transform:rotate(45deg)}
.acc__panel{padding-bottom:18px;font-size:16px;color:var(--grey);max-width:68ch}

.reveal{
  opacity:0;transform:translateY(12px);
  transition:opacity 320ms var(--ease),transform 320ms var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 9. 头部 ---------- */
.skip-link{
  position:fixed;top:12px;left:12px;z-index:200;
  padding:12px 20px;border-radius:var(--r-pill);
  background:var(--cyan);color:var(--ink-950);
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform 180ms var(--ease);
}
.skip-link:focus{transform:none}

.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,rgba(5,8,26,.97),rgba(11,18,48,.92));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease);
}
.site-header[data-scrolled]{box-shadow:0 20px 44px -32px rgba(0,0,0,.95)}

.data-strip{
  display:flex;align-items:center;gap:10px;
  max-height:46px;overflow:hidden;
  padding-block:10px;
  padding-inline:max(var(--pad),calc((100% - var(--shell))/2 + var(--pad)));
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--grey);
  background:rgba(5,8,26,.92);
  border-bottom:1px solid var(--line-soft);
  transition:max-height 220ms var(--ease),opacity 220ms var(--ease),
             padding 220ms var(--ease),border-color 220ms var(--ease);
}
.site-header[data-scrolled] .data-strip{
  max-height:0;opacity:0;padding-block:0;border-bottom-color:transparent;
}
.data-strip__dot{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(53,242,208,.18);
  animation:strip-pulse 2.6s var(--ease) infinite;
}
.data-strip__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes strip-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.8)}
}

.site-header__bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-block:14px;
  transition:padding-block 220ms var(--ease);
}
.site-header[data-scrolled] .site-header__bar{padding-block:8px}

.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  position:relative;width:40px;height:40px;flex:none;
  border-radius:14px;
  background:linear-gradient(150deg,var(--violet),var(--cyan));
  box-shadow:0 12px 28px -16px rgba(108,59,255,.95);
}
.brand__mark::before{
  content:"";position:absolute;inset:9px;border-radius:6px;
  background:repeating-linear-gradient(180deg,rgba(5,8,26,.78) 0 2px,transparent 2px 6px);
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{
  font-size:18px;font-weight:800;line-height:1.2;letter-spacing:-.01em;
  transition:font-size 220ms var(--ease),letter-spacing 220ms var(--ease);
}
.brand__tagline{
  max-height:20px;overflow:hidden;
  font-size:12px;letter-spacing:.14em;color:var(--grey);
  transition:max-height 220ms var(--ease),opacity 220ms var(--ease);
}
.site-header[data-scrolled] .brand__name{
  font-family:var(--font-mono);font-size:14px;letter-spacing:.08em;
}
.site-header[data-scrolled] .brand__tagline{max-height:0;opacity:0}
.brand--footer .brand__name{font-size:22px}
.brand--footer .brand__tagline{color:var(--violet-soft)}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(31,42,94,.7);color:var(--paper);
  font-size:14px;
}
.nav-toggle__bars{
  position:relative;width:18px;height:2px;border-radius:2px;background:var(--cyan);
  transition:background-color 180ms var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--cyan);transition:transform 180ms var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}
.nav-toggle__text{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em}

.site-nav{display:flex;align-items:center;gap:clamp(14px,2vw,28px)}
.site-nav__list{display:flex;align-items:center;gap:clamp(4px,1vw,10px)}
.site-nav__item{display:flex}
.site-nav__link{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:14px;font-weight:500;color:var(--grey);border-radius:var(--r-pill);
  transition:color 180ms var(--ease),background-color 180ms var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  border-radius:2px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;
  transition:transform 180ms var(--ease);
}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{
  color:var(--paper);background:rgba(108,59,255,.22);
}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__tools{
  display:flex;align-items:center;gap:14px;
  padding-left:clamp(10px,1.6vw,22px);border-left:1px solid var(--line);
}
.site-nav__hotline{font-size:12px;color:var(--grey);white-space:nowrap}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(255,255,255,.05);
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--violet-soft) 55%,var(--orange));
}

@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    max-height:calc(100vh - 120px);overflow-y:auto;
    padding:14px var(--pad) 26px;
    background:linear-gradient(180deg,var(--ink-950),var(--ink-800));
    border-bottom:1px solid var(--line);
    box-shadow:0 34px 64px -34px rgba(0,0,0,.95);
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);
    transition:opacity 180ms var(--ease),transform 220ms var(--ease),visibility 180ms;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav__link{display:block;padding:14px 10px;font-size:16px;border-radius:var(--r-md)}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--cyan)}
  .site-nav__tools{
    flex-direction:column;align-items:stretch;gap:12px;
    margin-top:14px;padding:16px 0 0;border-left:0;border-top:1px solid var(--line);
  }
  .site-nav__tools .btn{width:100%}
  .site-nav__hotline{text-align:center}
  html[data-nav-open]{overflow:hidden}
}

@media (max-width:520px){
  .brand__mark{width:34px;height:34px;border-radius:12px}
  .brand__tagline{letter-spacing:.1em}
  .data-strip__text{white-space:normal;line-height:1.6}
  .data-strip{max-height:76px}
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  padding-block:clamp(48px,7vw,88px) 28px;
  background:var(--ink-950);color:var(--paper);
  border-top:1px solid var(--line);
}
.site-footer__glow{
  position:absolute;left:0;right:0;top:0;height:360px;pointer-events:none;
  background:
    radial-gradient(58% 100% at 18% 0%,rgba(108,59,255,.38),transparent 70%),
    radial-gradient(48% 90% at 86% 6%,rgba(53,242,208,.20),transparent 72%);
}
.site-footer__inner{position:relative;display:flex;flex-direction:column;gap:clamp(32px,5vw,56px)}
.site-footer__top{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:clamp(28px,4vw,60px);
}
.footer-brand{display:flex;flex-direction:column;gap:16px;max-width:440px}
.footer-brand__blurb{font-size:16px;color:var(--grey)}
.footer-brand__meta{font-size:12px;letter-spacing:.1em;color:var(--violet-soft)}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.footer-nav__title{
  position:relative;padding-bottom:14px;
  font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--paper);
}
.footer-nav__title::after{
  content:"";position:absolute;left:0;bottom:8px;width:28px;height:2px;
  border-radius:2px;background:var(--cyan);
}
.footer-nav__list{display:flex;flex-direction:column;gap:10px}
.footer-nav__link{
  font-size:14px;color:var(--grey);
  transition:color 180ms var(--ease),transform 180ms var(--ease);
}
.footer-nav__link:hover{color:var(--violet-soft)}

.footer-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;padding:clamp(20px,3vw,30px);
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(150deg,var(--ink-700),rgba(22,31,71,.9));
}
.footer-contact__item{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.footer-contact__label{font-size:12px;letter-spacing:.14em;color:var(--cyan)}
.footer-contact__value{font-size:15px;color:var(--paper);word-break:break-word}
.footer-contact__note{
  grid-column:1/-1;gap:14px;
  padding-top:16px;border-top:1px dashed var(--line-soft);
  color:var(--grey);font-size:14px;
}
.footer-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,138,61,.45);background:rgba(255,138,61,.14);
  color:var(--orange);font-size:14px;font-weight:600;
  transition:background-color 180ms var(--ease),color 180ms var(--ease);
}
.footer-cta:hover{background:var(--orange);color:var(--ink-950)}

.site-footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--grey);
}
.site-footer__legal{color:var(--grey)}
.site-footer__copyright{color:var(--grey)}

@media (max-width:900px){
  .site-footer__top{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:600px){
  .footer-nav{grid-template-columns:minmax(0,1fr);gap:26px}
  .site-footer__bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 11. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:120ms !important;
    transition-delay:0ms !important;
  }
  .reveal{opacity:1;transform:none}
  .data-strip__dot{animation:none}
  .btn--primary:hover{transform:none}
}