/* ==========================================================================
   幻影体育安装 · 共享样式表 /assets/site.css
   夜场黑 + 幻影紫 + 荧光绿 · 框架式边框导航 · 海报式分层
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --night:#0B0B14;
  --phantom:#7A4DFF;
  --shadow-purple:#3A1F73;
  --lime:#C6FF4A;
  --red:#FF3D57;
  --yellow:#FFD23F;
  --cream:#F3EDE3;
  --ink:#221B1A;
  --mist:#E9E6F5;
  --steel:#8E93A8;

  --line:rgba(142,147,168,.30);
  --line-strong:rgba(142,147,168,.55);
  --glass-bg:linear-gradient(158deg, rgba(233,230,245,.10), rgba(122,77,255,.08));
  --glass-shadow:0 24px 60px -32px rgba(0,0,0,.95), inset 0 1px 0 rgba(233,230,245,.07);

  --rail-l:76px;
  --rail-r:58px;
  --shell:1240px;

  --radius:14px;
  --radius-s:10px;

  --font-display:'Anton','Oswald','PingFang SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,'Liberation Mono',monospace;
  --font-body:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{ box-sizing:border-box }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:88px;
}

body{
  margin:0;
  background:var(--night);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg,video,canvas{ max-width:100%; display:block }
ul,ol{ margin:0; padding:0; list-style:none }
h1,h2,h3,h4,h5,h6,p,figure,blockquote{ margin:0 }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer }
a{ color:inherit }
table{ border-collapse:collapse }

/* ---------- 3. 中文排版基准 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  font-stretch:condensed;
  line-height:1.02;
  letter-spacing:-.01em;
  text-wrap:balance;
}
p{ text-wrap:pretty }
p + p{ margin-top:.9em }

p,li,dd{ word-break:normal; overflow-wrap:anywhere }

:focus{ outline:none }
:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:4px;
}

@media (min-width:768px){
  body{ font-size:17px; line-height:1.75 }
}

/* ---------- 4. 框架：左右边框轴让位 ---------- */
@media (min-width:1024px){
  body{ padding-left:var(--rail-l); padding-right:var(--rail-r) }
}

/* ---------- 5. 容器与段落 ---------- */
.gs-wrap{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:clamp(18px,4vw,48px);
}
.gs-wrap--narrow{ max-width:780px }

.gs-section{
  position:relative;
  overflow:hidden;
  padding-block:clamp(52px,7.5vw,104px);
}
.gs-section--dark{ background:var(--night); color:var(--mist) }
.gs-section--cream{ background:var(--cream); color:var(--ink) }

.gs-grid{
  display:grid;
  gap:clamp(16px,2.4vw,28px);
  align-items:start;
}
.gs-grid--2{ grid-template-columns:repeat(auto-fit,minmax(260px,1fr)) }
.gs-grid--3{ grid-template-columns:repeat(auto-fit,minmax(212px,1fr)) }
.gs-grid--split{ grid-template-columns:minmax(0,1fr) }
@media (min-width:960px){
  .gs-grid--split{ grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr) }
}

.gs-stack{ display:flex; flex-direction:column; gap:clamp(14px,2vw,22px) }
.gs-stack--tight{ gap:9px }
.gs-row{ display:flex; flex-wrap:wrap; gap:12px; align-items:center }

/* ---------- 6. 文字组件 ---------- */
.gs-eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.gs-eyebrow + .gs-title{ margin-top:14px }

.gs-title{
  font-family:var(--font-display);
  font-weight:900;
  font-stretch:condensed;
  font-size:clamp(2.4rem,7vw,6.5rem);
  line-height:.92;
  letter-spacing:-.02em;
}
.gs-title--m{ font-size:clamp(1.7rem,4vw,3rem); line-height:1 }
.gs-title--s{ font-size:clamp(1.2rem,2.2vw,1.5rem); line-height:1.14 }

.gs-lede{
  font-size:clamp(1.02rem,1.35vw,1.16rem);
  line-height:1.7;
  max-width:62ch;
  color:rgba(233,230,245,.8);
}

.gs-mono{ font-family:var(--font-mono); font-variant-numeric:tabular-nums }

.gs-note{ font-size:.84rem; color:var(--steel) }

.gs-link{
  color:var(--lime);
  text-decoration:none;
  border-bottom:1px solid rgba(198,255,74,.42);
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.gs-link:hover{ color:var(--cream); border-color:currentColor }

/* ---------- 7. 按钮 ---------- */
.gs-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:.86rem;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s var(--ease), background .18s var(--ease),
             border-color .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
}
.gs-btn--primary{
  background:var(--phantom);
  color:#fff;
  box-shadow:0 0 0 1px rgba(122,77,255,.5), 0 14px 30px -18px rgba(122,77,255,.95);
}
.gs-btn--primary:hover{
  transform:translateY(-2px);
  background:#8A62FF;
  box-shadow:0 0 0 1px rgba(198,255,74,.55), 0 18px 34px -16px rgba(122,77,255,1);
}
.gs-btn--ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--mist);
}
.gs-btn--ghost:hover{
  transform:translateY(-2px);
  border-color:var(--phantom);
  color:var(--lime);
}

/* ---------- 8. 标签 ---------- */
.gs-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid currentColor;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  line-height:1.6;
}
.gs-tag--lime{ color:var(--lime) }
.gs-tag--red{ color:var(--red) }
.gs-tag--yellow{ color:var(--yellow) }
.gs-tag--purple{ color:#B79CFF }

/* ---------- 9. 玻璃层与内容卡 ---------- */
.gs-glass{
  position:relative;
  padding:clamp(18px,2.6vw,28px);
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--glass-bg);
  box-shadow:var(--glass-shadow);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.gs-glass:hover{
  transform:translateY(-4px);
  border-color:rgba(122,77,255,.7);
  box-shadow:0 30px 66px -32px rgba(122,77,255,.65), inset 0 1px 0 rgba(233,230,245,.1);
}

.gs-card{
  padding:clamp(20px,3vw,32px);
  border-radius:var(--radius);
  background:var(--cream);
  color:var(--ink);
  border:1px solid rgba(34,27,26,.12);
}

.gs-data-card{
  padding:18px 20px;
  border-radius:var(--radius-s);
  border:1px solid var(--line);
  background:rgba(11,11,20,.5);
}
.gs-data-card__label{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--steel);
}
.gs-data-card__value{
  margin-top:8px;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(1.7rem,3.6vw,2.5rem);
  line-height:1.06;
  color:var(--lime);
}
.gs-data-card__note{ margin-top:6px; font-size:.8rem; color:var(--steel) }

/* 奶油层内的对置配色 */
.gs-section--cream .gs-eyebrow{ color:#5B2FD6 }
.gs-section--cream .gs-lede{ color:rgba(34,27,26,.78) }
.gs-section--cream .gs-note{ color:#6B6259 }
.gs-section--cream .gs-glass{
  background:linear-gradient(158deg, rgba(255,255,255,.72), rgba(122,77,255,.08));
  border-color:rgba(34,27,26,.16);
  box-shadow:0 22px 44px -30px rgba(34,27,26,.55);
}
.gs-section--cream .gs-glass:hover{ border-color:rgba(122,77,255,.55) }
.gs-section--cream .gs-data-card{
  background:rgba(34,27,26,.045);
  border-color:rgba(34,27,26,.14);
}
.gs-section--cream .gs-data-card__label{ color:#6B6259 }
.gs-section--cream .gs-data-card__value{ color:#5B2FD6 }
.gs-section--cream .gs-note,
.gs-section--cream .gs-data-card__note{ color:#6B6259 }
.gs-section--cream .gs-link{ color:#5B2FD6; border-color:rgba(91,47,214,.45) }

/* ---------- 10. 表格 ---------- */
.gs-table{
  width:100%;
  font-size:.92rem;
  font-variant-numeric:tabular-nums;
}
.gs-table th{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:500;
  text-align:left;
  padding:12px 14px;
  color:var(--steel);
  border-bottom:1px solid var(--line-strong);
}
.gs-table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.gs-table tbody tr{ transition:background .18s var(--ease) }
.gs-table tbody tr:hover{ background:rgba(122,77,255,.1) }

.gs-section--cream .gs-table th{ color:#7A7069; border-color:rgba(34,27,26,.26) }
.gs-section--cream .gs-table td{ border-color:rgba(34,27,26,.1) }
.gs-section--cream .gs-table tbody tr:hover{ background:rgba(122,77,255,.08) }

/* ---------- 11. 分隔与斜切装饰 ---------- */
.gs-divider{
  height:1px;
  border:0;
  background:repeating-linear-gradient(90deg, rgba(142,147,168,.5) 0 14px, transparent 14px 28px);
}
.gs-section--cream .gs-divider{
  background:repeating-linear-gradient(90deg, rgba(34,27,26,.28) 0 14px, transparent 14px 28px);
}

.gs-slash{
  position:absolute;
  z-index:0;
  pointer-events:none;
  border-radius:6px;
  background:linear-gradient(135deg, var(--phantom), var(--shadow-purple));
  transform:skewY(-5deg);
}
.gs-slash--top{
  top:-46px;
  left:-8%;
  width:min(560px,58%);
  height:clamp(90px,14vw,180px);
}
.gs-slash--bottom{
  bottom:-46px;
  right:-8%;
  width:min(460px,46%);
  height:clamp(70px,12vw,150px);
  background:linear-gradient(135deg, rgba(58,31,115,.9), rgba(58,31,115,0));
}
.gs-section > .gs-wrap{ position:relative; z-index:1 }

/* ---------- 12. 面包屑 ---------- */
.gs-breadcrumb{
  padding-block:22px 0;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  color:var(--steel);
}
.gs-breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  gap:6px 0;
  align-items:center;
}
.gs-breadcrumb__item + .gs-breadcrumb__item::before{
  content:"/";
  margin:0 10px;
  color:rgba(142,147,168,.6);
}
.gs-breadcrumb a{
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.gs-breadcrumb a:hover{ color:var(--lime); border-color:currentColor }
.gs-section--cream .gs-breadcrumb{ color:#6B6259 }
.gs-section--cream .gs-breadcrumb a:hover{ color:#5B2FD6 }

/* ---------- 13. 图片容器基础规则 ---------- */
.gs-media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(135deg, var(--shadow-purple), var(--night) 72%);
  aspect-ratio:16 / 9;
}
.gs-media > img,
.gs-media > svg,
.gs-media > video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.gs-media--wide{ aspect-ratio:21 / 9 }
.gs-media--tall{ aspect-ratio:3 / 4 }
.gs-media--square{ aspect-ratio:1 / 1 }
.gs-media__label{
  position:absolute;
  left:16px;
  bottom:14px;
  z-index:1;
  padding:5px 11px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(11,11,20,.66);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
}

/* ---------- 14. 折叠面板 ---------- */
.gs-collapse{ border-top:1px solid var(--line) }
.gs-collapse:last-child{ border-bottom:1px solid var(--line) }
.gs-collapse__toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:18px 4px;
  text-align:left;
  font-family:var(--font-display);
  font-size:clamp(1.05rem,2vw,1.3rem);
  font-weight:900;
  letter-spacing:.01em;
  color:inherit;
  transition:color .18s var(--ease);
}
.gs-collapse__toggle::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-weight:400;
  font-size:1.2rem;
  color:var(--lime);
  transition:transform .18s var(--ease);
}
.gs-collapse__toggle[aria-expanded="true"]{ color:var(--lime) }
.gs-collapse__toggle[aria-expanded="true"]::after{ transform:rotate(45deg) }
.gs-collapse__toggle:hover{ color:var(--lime) }
.gs-collapse__panel{ padding:0 4px 20px; font-size:.96rem; color:rgba(233,230,245,.82) }
.gs-section--cream .gs-collapse{ border-color:rgba(34,27,26,.16) }
.gs-section--cream .gs-collapse__panel{ color:rgba(34,27,26,.8) }
.gs-section--cream .gs-collapse__toggle::after{ color:#5B2FD6 }
.gs-section--cream .gs-collapse__toggle[aria-expanded="true"],
.gs-section--cream .gs-collapse__toggle:hover{ color:#5B2FD6 }

/* ---------- 15. 显现动效 ---------- */
.gs-reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .55s var(--ease), transform .55s var(--ease);
  transition-delay:var(--reveal-delay, 0ms);
}
.gs-reveal.is-visible{ opacity:1; transform:none }

/* ---------- 16. 跳转链接 ---------- */
.gs-skip{
  position:fixed;
  top:-90px;
  left:14px;
  z-index:200;
  padding:10px 18px;
  border-radius:8px;
  background:var(--lime);
  color:var(--night);
  font-weight:700;
  font-size:.86rem;
  text-decoration:none;
  transition:top .18s var(--ease);
}
.gs-skip:focus{ top:14px }

/* ---------- 17. 顶部横条 ---------- */
.gs-topbar{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg, rgba(11,11,20,.97), rgba(11,11,20,.82));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.gs-topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(12px,3vw,32px);
  max-width:var(--shell);
  margin-inline:auto;
  padding:13px clamp(16px,3vw,36px);
}

.gs-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  min-width:0;
}
.gs-brand__mark{
  display:grid;
  place-items:center;
  flex:0 0 auto;
  width:38px;
  height:38px;
  font-family:var(--font-mono);
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--night);
  background:var(--lime);
  clip-path:polygon(0 0, 100% 0, 100% 70%, 76% 100%, 0 100%);
}
.gs-brand__text{ display:flex; flex-direction:column; min-width:0 }
.gs-brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-stretch:condensed;
  font-size:1.14rem;
  line-height:1.15;
  letter-spacing:.01em;
  color:var(--mist);
}
.gs-brand__tag{
  display:none;
  font-size:.7rem;
  letter-spacing:.04em;
  color:var(--steel);
  line-height:1.4;
}

.gs-topbar__actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.gs-topbar__ghost{ display:none }

.gs-topbar__progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:rgba(142,147,168,.18);
}
.gs-topbar__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg, var(--phantom), var(--lime));
}

/* ---------- 18. 移动导航按钮与抽屉 ---------- */
.gs-nav-toggle{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  padding:8px 12px 7px;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  color:var(--mist);
  transition:border-color .18s var(--ease), color .18s var(--ease);
}
.gs-nav-toggle:hover{ border-color:var(--phantom); color:var(--lime) }
.gs-nav-toggle__bars{
  position:relative;
  display:block;
  width:22px;
  height:2px;
  background:currentColor;
  transition:background .2s var(--ease);
}
.gs-nav-toggle__bars::before,
.gs-nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:22px;
  height:2px;
  background:currentColor;
  transition:transform .2s var(--ease);
}
.gs-nav-toggle__bars::before{ top:-7px }
.gs-nav-toggle__bars::after{ top:7px }
.gs-nav-toggle[aria-expanded="true"] .gs-nav-toggle__bars{ background:transparent }
.gs-nav-toggle[aria-expanded="true"] .gs-nav-toggle__bars::before{ transform:translateY(7px) rotate(45deg) }
.gs-nav-toggle[aria-expanded="true"] .gs-nav-toggle__bars::after{ transform:translateY(-7px) rotate(-45deg) }
.gs-nav-toggle__text{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.16em;
}

.gs-drawer{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:70;
  max-height:100vh;
  overflow-y:auto;
  padding:92px clamp(18px,5vw,40px) 32px;
  background:linear-gradient(180deg, rgba(11,11,20,.99), rgba(11,11,20,.96));
  border-bottom:1px solid var(--line);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s var(--ease);
}
.gs-drawer[data-open]{
  opacity:1;
  visibility:visible;
  transform:none;
}
.gs-drawer__list{ counter-reset:gsnav }
.gs-drawer__list > li{ counter-increment:gsnav }
.gs-drawer__link{
  display:flex;
  align-items:baseline;
  gap:16px;
  padding:13px 4px;
  border-bottom:1px solid rgba(142,147,168,.16);
  font-family:var(--font-display);
  font-weight:900;
  font-stretch:condensed;
  font-size:clamp(1.45rem,6.4vw,2.1rem);
  line-height:1.2;
  letter-spacing:.01em;
  text-decoration:none;
  color:var(--mist);
  transition:color .18s var(--ease), padding-left .18s var(--ease);
}
.gs-drawer__link::before{
  content:counter(gsnav, decimal-leading-zero);
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:400;
  letter-spacing:.1em;
  color:var(--steel);
}
.gs-drawer__link:hover{ color:var(--lime); padding-left:10px }
.gs-drawer__link[aria-current="page"]{ color:var(--lime) }
.gs-drawer__link[aria-current="page"]::before{ color:var(--lime) }
.gs-drawer__foot{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}

/* ---------- 19. 桌面左右边框轴 ---------- */
.gs-rail{
  display:none;
  position:fixed;
  top:0;
  bottom:0;
  z-index:55;
  flex-direction:column;
  align-items:center;
  background:rgba(11,11,20,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.gs-rail--left{
  left:0;
  width:var(--rail-l);
  border-right:1px solid var(--line);
  overflow:hidden;
}
.gs-rail--right{
  right:0;
  width:var(--rail-r);
  border-left:1px solid var(--line);
  justify-content:center;
  gap:26px;
  padding:86px 0 26px;
}
.gs-rail__nav{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  min-height:0;
}
.gs-rail__list{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:clamp(10px,2.2vh,26px);
}
.gs-rail__link{
  display:block;
  padding:9px 4px;
  border:1px solid transparent;
  border-radius:8px;
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-size:.8rem;
  letter-spacing:.2em;
  color:var(--steel);
  text-decoration:none;
  transition:color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.gs-rail__link:hover{ color:var(--mist); border-color:var(--line-strong) }
.gs-rail__link[aria-current="page"]{
  color:var(--lime);
  border-color:rgba(198,255,74,.45);
  background:linear-gradient(180deg, rgba(198,255,74,.14), rgba(122,77,255,.12));
}
.gs-rail__cta{
  padding:16px 9px;
  border-radius:9px;
  background:var(--phantom);
  color:#fff;
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-family:var(--font-display);
  font-weight:900;
  font-size:.92rem;
  letter-spacing:.2em;
  text-decoration:none;
  box-shadow:0 0 0 1px rgba(122,77,255,.5), 0 16px 32px -18px rgba(122,77,255,.95);
  transition:background .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}
.gs-rail__cta:hover{
  background:var(--lime);
  color:var(--night);
  transform:translateY(-3px);
  box-shadow:0 0 0 1px rgba(198,255,74,.6), 0 20px 36px -18px rgba(198,255,74,.75);
}
.gs-rail__meta{
  margin:0;
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.3em;
  color:var(--steel);
}

@media (min-width:640px){
  .gs-brand__tag{ display:block }
}
@media (min-width:1024px){
  .gs-rail{ display:flex }
  .gs-drawer{ display:none }
  .gs-nav-toggle{ display:none }
  .gs-topbar__ghost{ display:inline-flex }
}

/* ---------- 20. 页脚 ---------- */
.gs-footer{
  position:relative;
  overflow:hidden;
  background:var(--night);
  color:var(--mist);
  border-top:1px solid var(--line);
}
.gs-footer::before{
  content:"";
  position:absolute;
  top:-30%;
  left:-12%;
  width:58%;
  height:150%;
  background:linear-gradient(120deg, rgba(58,31,115,.85), rgba(58,31,115,0) 72%);
  transform:skewX(-12deg);
  pointer-events:none;
}
.gs-footer::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:2px;
  background:linear-gradient(90deg, var(--phantom), var(--lime) 55%, transparent);
  opacity:.85;
  pointer-events:none;
}

.gs-footer__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(28px,5vw,60px);
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(44px,6.5vw,84px) clamp(18px,4vw,48px) clamp(24px,3vw,36px);
}
@media (min-width:900px){
  .gs-footer__grid{ grid-template-columns:minmax(230px,.85fr) minmax(0,1.65fr) }
}

.gs-footer__mark{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  font-family:var(--font-mono);
  font-size:.78rem;
  font-weight:700;
  color:var(--night);
  background:var(--lime);
  clip-path:polygon(0 0, 100% 0, 100% 70%, 76% 100%, 0 100%);
}
.gs-footer__name{
  margin-top:14px;
  font-family:var(--font-display);
  font-weight:900;
  font-stretch:condensed;
  font-size:1.4rem;
  line-height:1.1;
  letter-spacing:.01em;
}
.gs-footer__tag{
  margin-top:6px;
  font-size:.82rem;
  color:var(--steel);
}
.gs-footer__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}

.gs-footer__cols{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(168px,1fr));
  gap:clamp(22px,3.4vw,40px);
}
.gs-footer__col{ min-width:0 }
.gs-footer__title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lime);
}
.gs-footer__list{ display:grid; gap:10px }
.gs-footer__link{
  font-size:.92rem;
  color:rgba(233,230,245,.78);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.gs-footer__link:hover{ color:var(--lime); border-color:currentColor }

.gs-footer__contact{
  position:relative;
  z-index:1;
  max-width:var(--shell);
  margin-inline:auto;
  padding:0 clamp(18px,4vw,48px) clamp(26px,3.4vw,40px);
}
.gs-footer__contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:12px 32px;
}
.gs-footer__line{
  margin:0;
  font-size:.92rem;
  color:rgba(233,230,245,.9);
}
.gs-footer__key{
  display:inline-block;
  min-width:54px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.16em;
  color:var(--steel);
}
.gs-footer__note{
  margin-top:16px;
  max-width:78ch;
  font-size:.8rem;
  line-height:1.7;
  color:var(--steel);
}

.gs-footer__bottom{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  justify-content:space-between;
  align-items:baseline;
  max-width:var(--shell);
  margin-inline:auto;
  padding:18px clamp(18px,4vw,48px) 30px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:var(--steel);
}
.gs-footer__legal,.gs-footer__copy{ margin:0 }

/* ---------- 21. 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;
  }
  .gs-reveal{ opacity:1 !important; transform:none !important }
  .gs-glass:hover,
  .gs-btn:hover,
  .gs-rail__cta:hover{ transform:none }
}