/* =========================================================
   银河信誉平台 — 共享站点套件
   文件：/assets/site.css
   ========================================================= */

/* ---------- 01 设计令牌 ---------- */
:root{
  --gx-void:#05060D;
  --gx-night:#0B1024;
  --gx-nebula:#171C3F;
  --gx-brand:#5B4BFF;
  --gx-signal:#8A7DFF;
  --gx-violet:#A06CFF;
  --gx-gold:#F2B23C;
  --gx-silver:#D8DCE8;
  --gx-paper:#F5F6FA;
  --gx-mute:#7A8098;
  --gx-line:#232A52;
  --gx-ink:#12100A;

  --gx-font-body:"Inter","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --gx-font-display:"Inter","Helvetica Neue","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --gx-font-mono:ui-monospace,"SFMono-Regular","SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --gx-rail-w:46px;
  --gx-header-h:118px;
  --gx-max:1320px;
  --gx-gutter:32px;
  --gx-ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 02 重置与基础排版 ---------- */
*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background-color:var(--gx-void);
}

body{
  margin:0;
  padding-top:var(--gx-header-h);
  background-color:var(--gx-void);
  background-image:
    radial-gradient(120% 80% at 82% -10%, rgba(91,75,255,.13), transparent 60%),
    radial-gradient(90% 60% at 0% 100%, rgba(160,108,255,.09), transparent 65%);
  background-repeat:no-repeat;
  color:var(--gx-silver);
  font-family:var(--gx-font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; padding:0; cursor:pointer; }
img,svg,video{ display:block; max-width:100%; }
table{ border-collapse:collapse; width:100%; }
strong,b{ font-weight:600; color:var(--gx-paper); }
::selection{ background:rgba(91,75,255,.45); color:var(--gx-paper); }

:where(a,button,input,select,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--gx-gold);
  outline-offset:2px;
  border-radius:1px;
}

.gx-sr-only{
  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;
}

/* ---------- 03 跳转链接 ---------- */
.gx-skip{
  position:absolute; left:16px; top:-80px; z-index:400;
  display:inline-block;
  padding:10px 18px;
  background:var(--gx-gold); color:var(--gx-ink);
  font-family:var(--gx-font-mono); font-size:13px; letter-spacing:.08em;
  transition:top .18s var(--gx-ease);
}
.gx-skip:focus{ top:14px; }

/* ---------- 04 框架页头 ---------- */
.gx-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:200;
  background-color:rgba(11,16,36,.97);
  background-image:radial-gradient(130% 190% at 6% -60%, rgba(91,75,255,.3), transparent 62%);
  border-bottom:1px solid var(--gx-line);
  transition:border-color .3s var(--gx-ease), box-shadow .3s var(--gx-ease);
}
.gx-header[data-scrolled="true"]{
  border-bottom-color:var(--gx-brand);
  box-shadow:0 16px 44px -30px rgba(91,75,255,.95);
}

.gx-header__inner{
  max-width:var(--gx-max);
  margin-inline:auto;
  height:var(--gx-header-h);
  padding:0 var(--gx-gutter);
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
}

.gx-header__top{
  display:flex;
  align-items:center;
  gap:20px;
  min-width:0;
}

/* 左侧刻度轨 */
.gx-rail{ display:none; }
.gx-rail__dot{
  width:9px; height:9px; flex:0 0 auto;
  background:var(--gx-brand);
  box-shadow:0 0 0 4px rgba(91,75,255,.18);
}
.gx-rail__label{
  font-family:var(--gx-font-mono);
  font-size:10px;
  letter-spacing:.32em;
  color:var(--gx-mute);
  writing-mode:vertical-rl;
  text-orientation:mixed;
  white-space:nowrap;
}
.gx-rail__ticks{
  flex:1 1 auto;
  width:1px;
  min-height:60px;
  background-image:repeating-linear-gradient(to bottom, var(--gx-line) 0 10px, transparent 10px 22px);
}
.gx-rail__code{
  font-family:var(--gx-font-mono);
  font-size:10px;
  letter-spacing:.2em;
  color:var(--gx-line);
  writing-mode:vertical-rl;
}

/* 品牌 */
.gx-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.gx-brand__mark{
  position:relative;
  display:block;
  width:26px; height:26px;
  flex:0 0 auto;
  border:1px solid var(--gx-brand);
  background:rgba(91,75,255,.12);
}
.gx-brand__mark i{ position:absolute; display:block; background:var(--gx-brand); }
.gx-brand__mark i:nth-child(1){ left:-1px; top:6px; width:13px; height:2px; }
.gx-brand__mark i:nth-child(2){ left:6px; top:-1px; width:2px; height:13px; }
.gx-brand__mark i:nth-child(3){ right:3px; bottom:3px; width:6px; height:6px; background:var(--gx-gold); }
.gx-brand__text{ display:flex; flex-direction:column; line-height:1.25; }
.gx-brand__name{
  font-family:var(--gx-font-display);
  font-size:17px; font-weight:600; letter-spacing:.08em;
  color:var(--gx-paper); white-space:nowrap;
}
.gx-brand__latin{
  font-family:var(--gx-font-mono);
  font-size:10px; letter-spacing:.22em;
  color:var(--gx-mute); white-space:nowrap;
}

/* 顶部辅助索引 */
.gx-utility{
  display:flex;
  align-items:center;
  gap:20px;
  margin-left:auto;
  flex:0 0 auto;
}
.gx-utility a{
  position:relative;
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gx-mute);
  padding-bottom:2px;
  transition:color .2s var(--gx-ease);
}
.gx-utility a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:1px; background:var(--gx-signal);
  transition:right .26s var(--gx-ease);
}
.gx-utility a:hover{ color:var(--gx-paper); }
.gx-utility a:hover::after{ right:0; }

/* 暖金主行动 */
.gx-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:10px 18px;
  background:var(--gx-gold);
  border:1px solid var(--gx-gold);
  color:var(--gx-ink);
  font-family:var(--gx-font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  transition:background-color .22s var(--gx-ease), transform .22s var(--gx-ease), box-shadow .22s var(--gx-ease);
}
.gx-cta__dot{
  width:6px; height:6px; flex:0 0 auto;
  background:var(--gx-ink);
}
.gx-cta:hover{
  background:#FFC65A;
  border-color:#FFC65A;
  transform:translateY(-1px);
  box-shadow:0 12px 26px -14px rgba(242,178,60,.9);
}

/* 移动端按钮 */
.gx-nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:9px 14px;
  border:1px solid var(--gx-line);
  color:var(--gx-silver);
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.12em;
  transition:border-color .22s var(--gx-ease), color .22s var(--gx-ease);
}
.gx-nav-toggle:hover{ border-color:var(--gx-brand); color:var(--gx-paper); }
.gx-nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:16px; height:14px;
}
.gx-nav-toggle__bars i{
  display:block; height:1.5px; width:100%;
  background:var(--gx-silver);
  transition:transform .24s var(--gx-ease), opacity .18s linear, background-color .2s;
}
.gx-nav-toggle[aria-expanded="true"]{ border-color:var(--gx-gold); color:var(--gx-paper); }
.gx-nav-toggle[aria-expanded="true"] .gx-nav-toggle__bars i{ background:var(--gx-gold); }
.gx-nav-toggle[aria-expanded="true"] .gx-nav-toggle__bars i:nth-child(1){ transform:translateY(5.5px) rotate(45deg); }
.gx-nav-toggle[aria-expanded="true"] .gx-nav-toggle__bars i:nth-child(2){ opacity:0; }
.gx-nav-toggle[aria-expanded="true"] .gx-nav-toggle__bars i:nth-child(3){ transform:translateY(-5.5px) rotate(-45deg); }

/* 编号索引带 */
.gx-nav{
  border-top:1px solid var(--gx-line);
  min-width:0;
}
.gx-nav__list{
  display:flex;
  align-items:stretch;
  gap:2px;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.gx-nav__list::-webkit-scrollbar{ display:none; }
.gx-nav__list li{ flex:0 0 auto; }
.gx-nav__list a{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:11px 16px 12px;
  border-bottom:2px solid transparent;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--gx-mute);
  white-space:nowrap;
  transition:color .2s var(--gx-ease), border-color .2s var(--gx-ease), background-color .2s var(--gx-ease);
}
.gx-nav__idx{
  font-family:var(--gx-font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--gx-brand);
  transition:color .2s var(--gx-ease);
}
.gx-nav__list a:hover{ color:var(--gx-paper); background:rgba(91,75,255,.12); }
.gx-nav__list a[aria-current="page"]{
  color:var(--gx-paper);
  border-bottom-color:var(--gx-gold);
  background:rgba(91,75,255,.14);
}
.gx-nav__list a[aria-current="page"] .gx-nav__idx{ color:var(--gx-gold); }

/* 滚动刻度进度 */
.gx-progress{
  position:absolute;
  left:0; bottom:-1px;
  width:100%; height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg, var(--gx-brand), var(--gx-violet) 55%, var(--gx-gold));
  will-change:transform;
}

/* ---------- 05 页脚 ---------- */
.gx-footer{
  position:relative;
  margin-top:96px;
  background-color:var(--gx-night);
  background-image:radial-gradient(95% 130% at 88% 0%, rgba(160,108,255,.16), transparent 62%);
  border-top:1px solid var(--gx-line);
  color:var(--gx-silver);
}
.gx-footer::before{
  content:"";
  position:absolute; top:-1px; left:0;
  width:180px; height:2px;
  background:var(--gx-brand);
}
.gx-footer__inner{
  max-width:var(--gx-max);
  margin-inline:auto;
  padding:64px var(--gx-gutter) 44px;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1.9fr);
  gap:56px;
  align-items:start;
}
.gx-footer__brandcol{ min-width:0; }
.gx-footer__brandname{
  margin-top:16px;
  font-family:var(--gx-font-display);
  font-size:20px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--gx-paper);
}
.gx-footer__latin{
  margin-top:6px;
  font-family:var(--gx-font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--gx-mute);
}
.gx-footer__contact{
  margin-top:24px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:9px 16px;
  align-items:baseline;
}
.gx-footer__contact dt{
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gx-mute);
  white-space:nowrap;
}
.gx-footer__contact dd{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:var(--gx-silver);
  overflow-wrap:anywhere;
}
.gx-footer__cols{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:32px;
}
.gx-footer__coltitle{
  margin-bottom:16px;
  font-family:var(--gx-font-mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.2em;
  color:var(--gx-signal);
  text-transform:uppercase;
}
.gx-footer__links li + li{ margin-top:10px; }
.gx-footer__links a{
  display:inline-block;
  font-size:15px;
  color:var(--gx-mute);
  transition:color .2s var(--gx-ease), transform .2s var(--gx-ease);
}
.gx-footer__links a:hover{ color:var(--gx-paper); transform:translateX(3px); }

.gx-footer__base{
  max-width:var(--gx-max);
  margin-inline:auto;
  padding:18px var(--gx-gutter) 30px;
  border-top:1px solid var(--gx-line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 28px;
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--gx-mute);
}
.gx-footer__address{ overflow-wrap:anywhere; }
.gx-footer__meta{ display:flex; flex-wrap:wrap; gap:8px 22px; }
.gx-footer__icp{ color:var(--gx-mute); }
.gx-footer__copy{ color:var(--gx-mute); }

/* ---------- 06 容器与栅格 ---------- */
.gx-container{
  width:100%;
  max-width:var(--gx-max);
  margin-inline:auto;
  padding-inline:var(--gx-gutter);
}
.gx-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:20px;
}
.gx-grid--2{ grid-template-columns:repeat(2, minmax(0,1fr)); }
.gx-grid--3{ grid-template-columns:repeat(3, minmax(0,1fr)); }
.gx-grid--4{ grid-template-columns:repeat(4, minmax(0,1fr)); }

/* ---------- 07 章节与排版组件 ---------- */
.gx-section{
  padding:72px 0;
  border-top:1px solid var(--gx-line);
}
.gx-section:first-child{ border-top:0; }
.gx-section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 18px;
  margin-bottom:32px;
}
.gx-section__index{
  font-family:var(--gx-font-mono);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--gx-brand);
}
.gx-section__title{
  font-family:var(--gx-font-display);
  font-size:clamp(24px, 3vw, 40px);
  font-weight:300;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--gx-paper);
}
.gx-eyebrow{
  display:inline-block;
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gx-signal);
}
.gx-display{
  font-family:var(--gx-font-display);
  font-size:clamp(40px, 7.4vw, 88px);
  font-weight:200;
  line-height:1.02;
  letter-spacing:-.02em;
  color:var(--gx-paper);
}
.gx-lead{
  max-width:38em;
  font-size:17px;
  line-height:1.85;
  color:var(--gx-silver);
}
.gx-prose{ font-size:17px; line-height:1.85; color:var(--gx-silver); }
.gx-prose p{ max-width:38em; }
.gx-prose p + p{ margin-top:1.1em; }
.gx-prose h2,.gx-prose h3{
  margin:1.6em 0 .6em;
  font-family:var(--gx-font-display);
  font-weight:400;
  letter-spacing:-.01em;
  color:var(--gx-paper);
}
.gx-prose ul{ max-width:38em; margin:1em 0; }
.gx-prose ul li{
  position:relative;
  padding-left:20px;
}
.gx-prose ul li + li{ margin-top:.5em; }
.gx-prose ul li::before{
  content:"";
  position:absolute; left:0; top:.72em;
  width:8px; height:1px;
  background:var(--gx-brand);
}
.gx-divider{
  height:1px;
  margin:40px 0;
  background-image:repeating-linear-gradient(to right, var(--gx-line) 0 6px, transparent 6px 14px);
}
.gx-notice{
  padding:18px 20px;
  border:1px solid var(--gx-line);
  border-left:3px solid var(--gx-brand);
  background:rgba(23,28,63,.6);
  font-size:15px;
  line-height:1.8;
  color:var(--gx-silver);
}

/* ---------- 08 按钮与标签 ---------- */
.gx-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 24px;
  border:1px solid var(--gx-line);
  background:transparent;
  color:var(--gx-silver);
  font-family:var(--gx-font-mono);
  font-size:13px;
  letter-spacing:.12em;
  transition:border-color .22s var(--gx-ease), background-color .22s var(--gx-ease), color .22s var(--gx-ease), transform .22s var(--gx-ease);
}
.gx-btn:hover{ border-color:var(--gx-brand); color:var(--gx-paper); transform:translateY(-1px); }
.gx-btn--gold{
  background:var(--gx-gold);
  border-color:var(--gx-gold);
  color:var(--gx-ink);
  font-weight:700;
}
.gx-btn--gold:hover{ background:#FFC65A; border-color:#FFC65A; color:var(--gx-ink); }
.gx-btn--ghost{ border-color:var(--gx-brand); color:var(--gx-paper); }
.gx-btn--ghost:hover{ background:rgba(91,75,255,.16); }

.gx-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid var(--gx-line);
  background:rgba(91,75,255,.09);
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gx-signal);
  white-space:nowrap;
}
.gx-tag--gold{
  border-color:rgba(242,178,60,.42);
  background:rgba(242,178,60,.1);
  color:var(--gx-gold);
}

/* ---------- 09 卡片、数据与表格 ---------- */
.gx-card{
  position:relative;
  padding:24px;
  border:1px solid var(--gx-line);
  background:var(--gx-nebula);
  transition:border-color .25s var(--gx-ease), transform .25s var(--gx-ease), background-color .25s var(--gx-ease);
}
.gx-card::after{
  content:"";
  position:absolute; right:-1px; bottom:-1px;
  width:14px; height:14px;
  border-right:1px solid var(--gx-brand);
  border-bottom:1px solid var(--gx-brand);
  opacity:.75;
  transition:opacity .25s var(--gx-ease);
}
.gx-card:hover{ border-color:var(--gx-brand); background:#1B2149; transform:translateY(-2px); }
.gx-card:hover::after{ opacity:1; }
.gx-card__index{
  display:block;
  margin-bottom:14px;
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--gx-brand);
}
.gx-card__title{
  margin-bottom:12px;
  font-family:var(--gx-font-display);
  font-size:20px;
  font-weight:500;
  letter-spacing:.01em;
  color:var(--gx-paper);
}
.gx-card__text{
  font-size:15px;
  line-height:1.8;
  color:var(--gx-silver);
}

.gx-metric{
  padding-left:16px;
  border-left:2px solid var(--gx-brand);
}
.gx-metric__value{
  display:block;
  font-family:var(--gx-font-mono);
  font-size:clamp(28px, 4vw, 44px);
  font-weight:600;
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--gx-gold);
}
.gx-metric__label{
  display:block;
  margin-top:8px;
  font-family:var(--gx-font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--gx-mute);
}

.gx-table{
  font-size:15px;
  border:1px solid var(--gx-line);
}
.gx-table th,.gx-table td{
  padding:14px 16px;
  text-align:left;
  border-bottom:1px solid var(--gx-line);
  vertical-align:top;
}
.gx-table thead th{
  font-family:var(--gx-font-mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.14em;
  color:var(--gx-mute);
  background:rgba(11,16,36,.75);
  white-space:nowrap;
}
.gx-table tbody tr:last-child th,
.gx-table tbody tr:last-child td{ border-bottom:0; }
.gx-table tbody tr:hover{ background:rgba(91,75,255,.08); }
.gx-table td strong{ color:var(--gx-gold); }

/* ---------- 10 可展开面板 ---------- */
.gx-panel{
  border:1px solid var(--gx-line);
  background:rgba(23,28,63,.5);
}
.gx-panel + .gx-panel{ margin-top:-1px; }
.gx-panel[data-open="true"]{ border-color:var(--gx-brand); background:rgba(23,28,63,.82); }
.gx-panel__trigger{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  line-height:1.6;
  color:var(--gx-paper);
  transition:background-color .2s var(--gx-ease);
}
.gx-panel__trigger:hover{ background:rgba(91,75,255,.12); }
.gx-panel__code{
  flex:0 0 auto;
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--gx-brand);
}
.gx-panel__sign{
  position:relative;
  flex:0 0 auto;
  margin-left:auto;
  width:14px; height:14px;
}
.gx-panel__sign::before,
.gx-panel__sign::after{
  content:"";
  position:absolute;
  background:var(--gx-signal);
}
.gx-panel__sign::before{ left:0; top:6px; width:14px; height:2px; }
.gx-panel__sign::after{ left:6px; top:0; width:2px; height:14px; transition:transform .24s var(--gx-ease), opacity .18s linear; }
.gx-panel[data-open="true"] .gx-panel__sign::after{ transform:scaleY(0); opacity:0; }
.gx-panel__body{
  padding:0 20px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--gx-silver);
  animation:gx-panel-in .3s var(--gx-ease) both;
}
.gx-panel__body[hidden]{ display:none; }
.gx-panel__body p{ max-width:38em; }
.gx-panel__body p + p{ margin-top:.9em; }
@keyframes gx-panel-in{
  from{ opacity:0; transform:translateY(-4px); }
  to{ opacity:1; transform:none; }
}

/* ---------- 11 面包屑 ---------- */
.gx-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:22px 0;
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gx-mute);
}
.gx-breadcrumb li{ display:inline-flex; align-items:center; gap:8px; }
.gx-breadcrumb li::after{ content:"/"; color:var(--gx-line); }
.gx-breadcrumb li:last-child::after{ content:""; }
.gx-breadcrumb a{ color:var(--gx-mute); transition:color .2s var(--gx-ease); }
.gx-breadcrumb a:hover{ color:var(--gx-signal); }
.gx-breadcrumb [aria-current="page"]{ color:var(--gx-gold); }

/* ---------- 12 影像容器 ---------- */
.gx-media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  border:1px solid var(--gx-line);
  background-color:var(--gx-nebula);
  background-image:
    linear-gradient(135deg, rgba(91,75,255,.22), transparent 55%),
    radial-gradient(80% 90% at 80% 10%, rgba(160,108,255,.2), transparent 60%);
}
.gx-media > img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.gx-media--21x9{ aspect-ratio:21 / 9; }
.gx-media--16x9{ aspect-ratio:16 / 9; }
.gx-media--4x3{ aspect-ratio:4 / 3; }
.gx-media--1x1{ aspect-ratio:1 / 1; }
.gx-media--3x4{ aspect-ratio:3 / 4; }
.gx-media__caption{
  position:absolute;
  left:0; bottom:0;
  width:100%;
  padding:14px 16px;
  background:linear-gradient(to top, rgba(5,6,13,.92), rgba(5,6,13,0));
  font-family:var(--gx-font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--gx-silver);
}
@supports not (aspect-ratio:1 / 1){
  .gx-media::before{ content:""; display:block; padding-top:56.25%; }
  .gx-media--1x1::before{ padding-top:100%; }
  .gx-media--3x4::before{ padding-top:133.33%; }
  .gx-media--4x3::before{ padding-top:75%; }
  .gx-media--21x9::before{ padding-top:42.86%; }
}

/* ---------- 13 入场显现 ---------- */
html.gx-js .gx-reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .4s var(--gx-ease), transform .4s var(--gx-ease);
}
html.gx-js .gx-reveal.is-in{
  opacity:1;
  transform:none;
}

/* ---------- 14 响应式 ---------- */
@media (max-width:1100px){
  .gx-grid--4{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .gx-grid--3{ grid-template-columns:repeat(2, minmax(0,1fr)); }
}

@media (max-width:980px){
  .gx-footer__inner{
    grid-template-columns:minmax(0,1fr);
    gap:44px;
    padding-top:52px;
  }
}

@media (max-width:919px){
  :root{
    --gx-header-h:64px;
    --gx-gutter:20px;
  }
  body{ font-size:16px; }

  .gx-header__inner{ gap:0; }
  .gx-header__top{ justify-content:space-between; gap:12px; padding:0; }
  .gx-utility{ display:none; }
  .gx-nav-toggle{ display:inline-flex; }
  .gx-cta{ margin-left:auto; padding:8px 14px; font-size:12px; }

  .gx-nav{
    position:absolute;
    left:0; right:0;
    top:100%;
    max-height:0;
    overflow:hidden;
    border-top:1px solid var(--gx-line);
    border-bottom:1px solid var(--gx-line);
    background-color:var(--gx-night);
    background-image:radial-gradient(120% 150% at 90% 0%, rgba(91,75,255,.22), transparent 62%);
    transition:max-height .34s var(--gx-ease);
  }
  .gx-header[data-open="true"] .gx-nav{
    max-height:76vh;
    overflow-y:auto;
    box-shadow:0 26px 50px -28px rgba(0,0,0,.95);
  }
  .gx-nav__list{
    flex-direction:column;
    flex-wrap:nowrap;
    gap:0;
    padding:6px 0;
    overflow:visible;
  }
  .gx-nav__list li{ flex:1 1 auto; }
  .gx-nav__list li + li{ border-top:1px solid var(--gx-line); }
  .gx-nav__list a{
    display:flex;
    padding:15px 22px;
    border-bottom:0;
    border-left:3px solid transparent;
    font-size:16px;
  }
  .gx-nav__list a[aria-current="page"]{
    border-left-color:var(--gx-gold);
    background:rgba(91,75,255,.16);
  }

  .gx-footer{ margin-top:72px; }
  .gx-footer__cols{ grid-template-columns:repeat(2, minmax(0,1fr)); gap:28px; }
  .gx-footer__base{ flex-direction:column; align-items:flex-start; }
  .gx-grid--2,
  .gx-grid--3,
  .gx-grid--4{ grid-template-columns:minmax(0,1fr); }
  .gx-section{ padding:56px 0; }
}

@media (max-width:520px){
  .gx-brand__latin{ display:none; }
  .gx-brand__name{ font-size:16px; }
  .gx-nav-toggle__text{ display:none; }
  .gx-footer__cols{ grid-template-columns:minmax(0,1fr); }
  .gx-card{ padding:20px; }
}

/* 桌面端刻度轨与框架偏移 */
@media (min-width:1080px){
  body{ padding-left:var(--gx-rail-w); }
  .gx-header{ left:var(--gx-rail-w); }
  .gx-rail{
    position:fixed;
    left:0; top:0; bottom:0;
    z-index:210;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:flex-start;
    gap:16px;
    width:var(--gx-rail-w);
    padding:22px 0 26px;
    background-color:var(--gx-night);
    background-image:linear-gradient(180deg, rgba(91,75,255,.22), transparent 45%);
    border-right:1px solid var(--gx-line);
  }
}

@media (min-width:920px){
  .gx-nav-toggle{ display:none; }
}

/* ---------- 15 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:.001ms !important;
  }
  html.gx-js .gx-reveal{ opacity:1; transform:none; }
  .gx-progress{ transition:none; }
}