/* ============================================================
   银河GALAXY · 共享样式 /assets/site.css
   深空基座 + 轨道框导航 + 等宽状态面板
   ============================================================ */

/* 1. 设计令牌 ------------------------------------------------ */
:root{
  --void:#05070F;
  --void-soft:#0A0D1C;
  --indigo:#141033;
  --teal-zone:#08262A;
  --wine:#2E1024;
  --violet:#7A5CFF;
  --nebula:#FF7BC5;
  --cyan:#4FE3D0;
  --gold:#F5C36B;
  --gold-soft:#FFD79A;
  --ink:#E9EDF8;
  --ink-2:#98A3C2;
  --line:#2A3358;
  --line-soft:rgba(42,51,88,.55);

  --font-display:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;

  --rail-w:clamp(13rem,16vw,16.5rem);
  --page-max:78rem;
  --gutter:clamp(1.25rem,4vw,3rem);
  --radius-lg:26px;
  --radius-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* 2. 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,dl,dd,figure,blockquote,pre{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
dl,dd{margin:0}

/* 3. 基础排版 ------------------------------------------------- */
body{
  min-height:100vh;
  padding-left:var(--rail-w);
  background:
    radial-gradient(110% 70% at 84% -8%,rgba(122,92,255,.18),transparent 62%),
    radial-gradient(80% 55% at 4% 6%,rgba(79,227,208,.07),transparent 64%),
    var(--void);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.02em;
  text-wrap:balance;
}
h1{font-size:clamp(2.4rem,6vw,5rem);line-height:1.06}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem)}
h3{font-size:1.25rem;letter-spacing:.03em}
p{max-width:66ch}
strong{font-weight:700;color:var(--ink)}
::selection{background:rgba(122,92,255,.5);color:#fff}

a{color:var(--cyan);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;text-decoration-color:rgba(79,227,208,.4);transition:color .16s var(--ease),text-decoration-color .16s var(--ease)}
a:hover{color:var(--ink);text-decoration-color:var(--gold)}

:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.gx-btn--gold:focus-visible{outline-color:var(--cyan);outline-offset:3px}

#main-content{display:block}
#main-content:focus{outline:none}

/* 4. 按钮 ----------------------------------------------------- */
.gx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.7rem 1.15rem;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-body);font-size:.875rem;font-weight:700;letter-spacing:.05em;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.gx-btn--gold{background:var(--gold);color:#05070F;border-color:var(--gold-soft)}
.gx-btn--gold:hover{background:var(--gold-soft);color:#05070F}
.gx-btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.gx-btn--ghost:hover{background:rgba(122,92,255,.16);border-color:var(--violet);color:var(--ink)}
.gx-btn--block{width:100%}

/* 5. 头部 · 轨道框架 ------------------------------------------ */
.gx-header{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--rail-w);
  display:flex;flex-direction:column;gap:1.4rem;
  padding:1.75rem 1.25rem 1.5rem;
  background:linear-gradient(180deg,rgba(20,16,51,.94),rgba(8,11,24,.97) 52%,rgba(5,7,15,.99));
  border-right:1px solid var(--line);
  z-index:60;
}
.gx-skip{
  position:fixed;top:.75rem;left:.75rem;z-index:200;
  padding:.6rem 1rem;border-radius:999px;
  background:var(--gold);color:#05070F;
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-decoration:none;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.gx-skip:focus{transform:translateY(0)}

.gx-header__top{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.gx-brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.gx-brand:hover{color:var(--ink)}
.gx-brand__mark{
  position:relative;flex:0 0 auto;width:2.25rem;height:2.25rem;border-radius:50%;
  border:1px solid var(--line);
  background:radial-gradient(circle at 32% 26%,rgba(122,92,255,.55),transparent 64%);
}
.gx-brand__core{
  position:absolute;left:50%;top:50%;width:.5rem;height:.5rem;margin:-.25rem 0 0 -.25rem;
  border-radius:50%;background:var(--gold);
  box-shadow:0 0 12px rgba(245,195,107,.9);
}
.gx-brand__orbit{
  position:absolute;inset:-1px;border-radius:50%;
  border:1px solid transparent;border-top-color:var(--violet);border-right-color:var(--nebula);
  transform:rotate(-28deg);
  transition:transform .3s var(--ease);
}
.gx-brand:hover .gx-brand__orbit{transform:rotate(6deg)}
.gx-brand__text{display:flex;flex-direction:column;gap:.1rem;min-width:0}
.gx-brand__name{font-family:var(--font-display);font-weight:800;font-size:1.0625rem;letter-spacing:.14em;line-height:1.3}
.gx-brand__tag{font-size:.6875rem;letter-spacing:.06em;color:var(--ink-2);line-height:1.6}

.gx-navtoggle{
  display:none;align-items:center;gap:.5rem;
  padding:.45rem .8rem;border-radius:999px;
  border:1px solid var(--line);background:transparent;color:var(--ink);
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.14em;
  cursor:pointer;transition:border-color .16s var(--ease),background-color .16s var(--ease);
}
.gx-navtoggle:hover{border-color:var(--violet);background:rgba(122,92,255,.14)}
.gx-navtoggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:14px}
.gx-navtoggle__bars i{display:block;height:1px;background:currentColor;border-radius:1px}
.gx-navtoggle__label{text-transform:uppercase}

.gx-nav{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain}
.gx-nav__caption{
  font-family:var(--font-mono);font-size:.625rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ink-2);margin:0 0 .8rem;padding-left:.15rem;
}
.gx-nav__list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.gx-nav__list li{border-bottom:1px solid var(--line-soft)}
.gx-nav__link{
  position:relative;display:flex;align-items:center;gap:.7rem;
  padding:.62rem .5rem .62rem 1.05rem;
  color:var(--ink-2);text-decoration:none;
  font-size:.9375rem;letter-spacing:.04em;line-height:1.6;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.gx-nav__link::before{
  content:"";position:absolute;left:.1rem;top:50%;width:0;height:1px;
  background:var(--gold);transform:translateY(-50%);
  transition:width .12s var(--ease);
}
.gx-nav__link:hover{color:var(--ink);background:rgba(122,92,255,.14);text-decoration:none}
.gx-nav__link:hover::before{width:.7rem}
.gx-nav__idx{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;color:var(--violet)}
.gx-nav__label{font-weight:500}
.gx-nav__link[aria-current="page"]{
  color:var(--ink);
  background:linear-gradient(90deg,rgba(245,195,107,.18),rgba(122,92,255,.06));
}
.gx-nav__link[aria-current="page"]::before{width:1.05rem}
.gx-nav__link[aria-current="page"] .gx-nav__idx{color:var(--gold)}
.gx-nav__foot{display:grid;gap:.5rem;margin-top:1.1rem;padding-top:1.1rem;border-top:1px solid var(--line)}

.gx-header__meta{margin-top:auto;padding-top:1rem;border-top:1px solid var(--line)}
.gx-console{display:grid;gap:.4rem;font-family:var(--font-mono)}
.gx-console__item{display:flex;align-items:center;justify-content:space-between;gap:.75rem;font-size:.6875rem;letter-spacing:.06em;line-height:1.8}
.gx-console__key{color:var(--ink-2);display:flex;align-items:center;gap:.4rem}
.gx-console__key::before{
  content:"";width:5px;height:5px;border-radius:50%;flex:0 0 auto;
  background:var(--cyan);box-shadow:0 0 8px rgba(79,227,208,.9);
}
.gx-console__val{color:var(--ink);letter-spacing:.08em}

.gx-header__progress{
  position:fixed;left:0;top:0;width:2px;height:100vh;z-index:70;
  background:linear-gradient(180deg,var(--gold),var(--violet) 56%,var(--nebula));
  transform:scaleY(var(--gx-progress,0));transform-origin:top;
  opacity:.9;pointer-events:none;
}

.gx-edge{
  position:fixed;top:0;right:0;bottom:0;width:1px;
  background:var(--line);pointer-events:none;z-index:50;
}
.gx-edge__text{
  position:absolute;top:50%;right:0;transform:translateY(-50%);
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:.625rem;letter-spacing:.42em;
  text-transform:uppercase;color:rgba(152,163,194,.6);white-space:nowrap;
}

/* 6. 页脚 ----------------------------------------------------- */
.gx-footer{
  position:relative;margin-top:clamp(3.5rem,8vw,7rem);
  padding:clamp(2.5rem,6vw,4.25rem) 0 1.75rem;
  border-top:1px solid var(--line);
  background:
    radial-gradient(70% 120% at 88% 0%,rgba(122,92,255,.24),transparent 62%),
    radial-gradient(60% 90% at 2% 100%,rgba(255,123,197,.12),transparent 62%),
    linear-gradient(180deg,#080B18,var(--void));
  overflow:hidden;
}
.gx-footer__glow{
  position:absolute;right:-8rem;bottom:-16rem;width:34rem;height:34rem;border-radius:50%;
  background:radial-gradient(circle,rgba(79,227,208,.14),transparent 68%);
  pointer-events:none;
}
.gx-footer__inner{
  position:relative;z-index:1;
  max-width:var(--page-max);margin-inline:auto;
  padding-inline:var(--gutter);
  display:grid;gap:2.5rem;
  grid-template-columns:minmax(0,1fr);
}
.gx-footer__brand{display:grid;gap:.5rem;align-content:start}
.gx-footer__mark{
  width:2.5rem;height:2.5rem;border-radius:50%;margin-bottom:.5rem;
  border:1px solid var(--line);
  background:
    radial-gradient(circle at 50% 50%,var(--gold) 0 .22rem,transparent .24rem),
    conic-gradient(from 200deg,var(--violet),var(--nebula),var(--cyan),var(--violet));
  opacity:.95;
}
.gx-footer__name{font-family:var(--font-display);font-weight:800;font-size:1.25rem;letter-spacing:.16em;max-width:none}
.gx-footer__tag{font-family:var(--font-serif);font-size:.9375rem;letter-spacing:.08em;color:var(--gold-soft);max-width:24ch}
.gx-footer__note{font-size:.8125rem;line-height:1.85;color:var(--ink-2);max-width:32ch}
.gx-footer__cta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.6rem}

.gx-footer__cols{display:grid;gap:1.75rem;grid-template-columns:repeat(auto-fit,minmax(9rem,1fr))}
.gx-footer__col{display:grid;gap:.7rem;align-content:start}
.gx-footer__coltitle{
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--violet);padding-bottom:.55rem;border-bottom:1px solid var(--line);
}
.gx-footer__list{display:grid;gap:.5rem}
.gx-footer__link{
  color:var(--ink-2);text-decoration:none;font-size:.875rem;letter-spacing:.03em;
  border-bottom:1px solid transparent;transition:color .16s var(--ease),border-color .16s var(--ease);
}
.gx-footer__link:hover{color:var(--ink);border-bottom-color:var(--gold);text-decoration:none}

.gx-footer__contact{display:grid;gap:.7rem;align-content:start}
.gx-footer__contactlist{display:grid;gap:.6rem}
.gx-footer__row{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:.5rem;font-family:var(--font-mono);font-size:.75rem;line-height:1.75}
.gx-footer__key{color:var(--cyan);letter-spacing:.1em}
.gx-footer__val{color:var(--ink);letter-spacing:.02em;overflow-wrap:anywhere}

.gx-footer__legal{
  position:relative;z-index:1;
  max-width:var(--page-max);margin:2.5rem auto 0;
  padding:1.25rem var(--gutter) 0;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 1.5rem;
  font-size:.75rem;color:var(--ink-2);
}
.gx-footer__copy,.gx-footer__icp{max-width:none;font-family:var(--font-mono);letter-spacing:.05em}
.gx-footer__legal-links{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem}

/* 7. 布局工具 ------------------------------------------------- */
.gx-wrap{width:100%;max-width:var(--page-max);margin-inline:auto;padding-inline:var(--gutter)}
.gx-main{display:block;padding-block:clamp(2rem,5vw,3.5rem)}
.gx-section{position:relative;padding-block:clamp(2.5rem,6vw,5rem)}
.gx-grid{display:grid;gap:clamp(1.25rem,3vw,2.5rem)}
.gx-mono{font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.04em;color:var(--ink-2)}

/* 8. 通用组件 ------------------------------------------------- */
.gx-eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--violet);margin-bottom:.9rem;
}
.gx-eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 10px rgba(245,195,107,.85);
}
.gx-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;
  color:var(--ink-2);margin-bottom:1.5rem;
}
.gx-crumbs li{display:flex;align-items:center}
.gx-crumbs li+li::before{content:"/";margin-inline:.55rem;color:rgba(152,163,194,.45)}
.gx-crumbs a{color:var(--ink-2);text-decoration:none}
.gx-crumbs a:hover{color:var(--gold)}
.gx-crumbs__current{color:var(--ink)}

.gx-card{
  position:relative;
  padding:clamp(1.15rem,2.4vw,1.75rem);
  border:1px solid var(--line);
  border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) 8px;
  background:
    radial-gradient(120% 90% at 100% 0%,rgba(122,92,255,.16),transparent 62%),
    linear-gradient(165deg,rgba(20,16,51,.92),rgba(8,11,24,.94));
  transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.gx-card:hover{border-color:var(--violet)}
.gx-card:hover .gx-card__title{color:var(--gold-soft)}

.gx-tag{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.2rem .6rem;border-radius:999px;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.08em;line-height:1.7;
  color:var(--ink-2);background:rgba(10,13,28,.6);
}
.gx-tag--live{color:var(--ink);border-color:rgba(79,227,208,.45)}
.gx-tag--live::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(79,227,208,.9)}
.gx-tag--gold{color:#05070F;background:var(--gold);border-color:var(--gold-soft)}

.gx-figure{
  position:relative;margin:0;overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid var(--line);
  border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) 8px;
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(122,92,255,.4),transparent 60%),
    radial-gradient(90% 80% at 92% 100%,rgba(79,227,208,.18),transparent 64%),
    var(--void-soft);
}
.gx-figure img,.gx-figure svg{width:100%;height:100%;object-fit:cover}
.gx-figure--tall{aspect-ratio:3/4}
.gx-figure--wide{aspect-ratio:21/9}
.gx-figure__caption{
  margin-top:.7rem;font-family:var(--font-mono);font-size:.6875rem;
  letter-spacing:.08em;color:var(--ink-2);line-height:1.7;
}

.gx-orbit{
  position:absolute;pointer-events:none;
  width:var(--orbit-size,28rem);aspect-ratio:1;border-radius:50%;
  border:1px solid rgba(122,92,255,.32);
}
.gx-orbit--dashed{border-style:dashed;border-color:rgba(79,227,208,.28)}

/* 9. 动效 ----------------------------------------------------- */
@media (prefers-reduced-motion:no-preference){
  .gx-js [data-reveal]{
    opacity:0;transform:translateY(12px);
    transition:opacity .5s var(--ease),transform .5s var(--ease);
  }
  .gx-js [data-reveal].is-in{opacity:1;transform:none}
}

/* 10. 响应式 -------------------------------------------------- */
@media (min-width:60rem){
  .gx-footer__inner{grid-template-columns:minmax(0,1.05fr) minmax(0,1.55fr) minmax(0,1fr)}
  .gx-grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
}

@media (max-width:69.9375rem){
  .gx-edge{display:none}
}

@media (max-width:56.25rem){
  body{padding-left:0;padding-top:4.25rem}
  .gx-header{
    top:0;right:0;bottom:auto;left:0;width:auto;height:auto;
    padding:.7rem 1rem;
    border-right:0;border-bottom:1px solid var(--line);
    background:rgba(5,7,15,.97);
  }
  .gx-header__top{width:100%}
  .gx-navtoggle{display:inline-flex}
  .gx-brand__tag{display:none}
  .gx-brand__name{font-size:.9375rem}
  .gx-nav{
    position:fixed;left:0;right:0;top:4.25rem;bottom:0;
    padding:1.25rem var(--gutter) 2rem;
    background:linear-gradient(180deg,rgba(10,13,28,.99),rgba(5,7,15,1));
    border-top:1px solid var(--line);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-.5rem);
    transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
  }
  .gx-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .gx-nav__link{padding-block:.8rem;font-size:1rem}
  .gx-nav__foot{grid-template-columns:1fr 1fr;gap:.6rem}
  .gx-header__meta{display:none}
  .gx-header__progress{
    top:auto;bottom:0;left:0;width:100%;height:2px;
    transform:scaleX(var(--gx-progress,0));transform-origin:left;
  }
  .gx-footer__legal{justify-content:flex-start}
}

@media (max-width:37.5rem){
  body{font-size:1rem;line-height:1.85}
  .gx-nav__foot{grid-template-columns:1fr}
  .gx-footer__cta .gx-btn{flex:1 1 auto}
  .gx-footer__legal-links{gap:.5rem 1rem}
}

/* 11. 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;
  }
  .gx-js [data-reveal]{opacity:1 !important;transform:none !important}
  .gx-brand:hover .gx-brand__orbit{transform:rotate(-28deg)}
}