:root{
  --ink:#0B1B3A;
  --ink-2:#14264B;
  --ink-3:#0A1730;
  --violet:#6C4AB6;
  --gold:#F5B94C;
  --cyan:#3EC6C6;
  --paper:#F4EBDD;
  --paper-2:#EBDFCB;
  --deep:#101322;
  --white:#F2F6FF;
  --haze:#A9B4C9;
  --green:#63C08A;
  --line:rgba(62,198,198,.22);
  --line-soft:rgba(169,180,201,.18);
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --shell:1280px;
  --gutter:clamp(1rem,3vw,2.5rem);
  --clip-corner:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
  --clip-corner-r:polygon(0 0,100% 0,100% 100%,16px 100%,0 calc(100% - 16px));
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:clamp(15.5px,1.02vw,17px);
  line-height:1.8;
  color:var(--white);
  background-color:var(--ink);
  background-image:
    radial-gradient(70% 55% at 84% -10%,rgba(108,74,182,.34),transparent 62%),
    radial-gradient(55% 45% at 4% 2%,rgba(62,198,198,.14),transparent 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
a{color:var(--cyan);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:900;line-height:1.08;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(245,185,76,.35);color:var(--white)}

/* ---------- 容器 ---------- */
.gx-shell{width:min(calc(100% - var(--gutter) * 2),var(--shell));margin-inline:auto}

/* ---------- 跳至主内容 ---------- */
.gx-skip{
  position:absolute;left:1rem;top:-120px;z-index:200;
  padding:.6rem 1rem;background:var(--gold);color:#20150A;
  font-weight:700;font-size:.9rem;border-radius:2px;
  transition:top .18s var(--ease);
}
.gx-skip:focus{top:.6rem;color:#20150A}

/* ---------- 头部 ---------- */
.gx-header{
  position:sticky;top:0;z-index:90;
  background:linear-gradient(180deg,rgba(11,27,58,.97),rgba(11,27,58,.9));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.gx-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);
  opacity:.55;pointer-events:none;
}
.gx-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--violet),var(--cyan) 52%,var(--gold));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .12s linear;pointer-events:none;
}
.gx-orbit{
  border-bottom:1px dashed rgba(169,180,201,.22);
  max-height:46px;overflow:hidden;
  transition:max-height .28s var(--ease),opacity .2s var(--ease),border-color .2s var(--ease);
}
.gx-header[data-collapsed] .gx-orbit{max-height:0;opacity:0;border-color:transparent}
.gx-orbit__inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  min-height:34px;color:var(--haze);font-size:.72rem;
}
.gx-orbit__status{display:inline-flex;align-items:center;gap:.45rem;color:var(--haze)}
.gx-orbit__phone{color:var(--haze);transition:color .16s var(--ease)}
.gx-orbit__phone:hover{color:var(--gold)}
.gx-mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:inherit}
.gx-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 3px rgba(99,192,138,.16);
  flex:none;animation:gx-pulse 3.4s ease-in-out infinite;
}
@keyframes gx-pulse{0%,100%{opacity:1}50%{opacity:.45}}
.gx-bar__inner{
  position:relative;display:flex;align-items:center;
  gap:clamp(.6rem,1.8vw,1.8rem);min-height:64px;padding-block:.35rem;
}
.gx-brand{display:inline-flex;align-items:center;gap:.65rem;color:var(--white);flex:none}
.gx-brand:hover{color:var(--white)}
.gx-brand__track{display:inline-flex;flex-direction:column;gap:3px;width:26px;flex:none}
.gx-brand__track i{display:block;height:2px;background:var(--cyan);transition:width .3s var(--ease)}
.gx-brand__track i:nth-child(1){width:100%}
.gx-brand__track i:nth-child(2){width:70%;background:var(--violet)}
.gx-brand__track i:nth-child(3){width:42%;background:var(--gold)}
.gx-brand:hover .gx-brand__track i:nth-child(2){width:100%}
.gx-brand:hover .gx-brand__track i:nth-child(3){width:78%}
.gx-brand__text{display:flex;flex-direction:column;line-height:1.18}
.gx-brand__name{font-weight:900;font-size:1.04rem;letter-spacing:.01em}
.gx-brand__sub{font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;color:var(--haze);margin-top:3px}
.gx-burger{
  display:none;align-items:center;gap:.5rem;
  min-height:44px;min-width:44px;padding:0 .75rem;
  background:transparent;border:1px solid var(--line);color:var(--white);
  cursor:pointer;clip-path:var(--clip-corner);transition:border-color .16s,color .16s;
}
.gx-burger__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.gx-burger__bars i{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease)}
.gx-burger__label{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em}
.gx-burger:hover{border-color:var(--cyan);color:var(--cyan)}
.gx-burger[aria-expanded="true"]{border-color:var(--gold);color:var(--gold)}
.gx-burger[aria-expanded="true"] .gx-burger__bars i:nth-child(1){transform:translateY(3px) rotate(45deg)}
.gx-burger[aria-expanded="true"] .gx-burger__bars i:nth-child(2){transform:translateY(-3px) rotate(-45deg)}
.gx-nav{display:flex;align-items:center;gap:.9rem;margin-left:auto}
.gx-nav__list{display:flex;align-items:center;gap:clamp(.05rem,.6vw,.5rem);flex-wrap:nowrap}
.gx-nav__link{
  position:relative;display:inline-flex;align-items:center;gap:.4rem;
  min-height:44px;padding:0 .5rem;color:var(--haze);
  font-size:.9rem;font-weight:500;transition:color .16s var(--ease);
}
.gx-nav__idx{
  font-family:var(--mono);font-size:.58rem;letter-spacing:.08em;
  color:rgba(169,180,201,.55);transition:color .16s var(--ease);
}
.gx-nav__link::after{
  content:"";position:absolute;left:.5rem;right:.5rem;bottom:9px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .18s var(--ease);
}
.gx-nav__link:hover{color:var(--white)}
.gx-nav__link:hover .gx-nav__idx{color:var(--cyan)}
.gx-nav__link:hover::after{transform:scaleX(1);background:var(--cyan)}
.gx-nav__link[aria-current="page"]{color:var(--white)}
.gx-nav__link[aria-current="page"] .gx-nav__idx{color:var(--gold)}
.gx-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--gold)}
.gx-nav__link[aria-current="page"]::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 9px var(--gold);flex:none;
}
.gx-nav__cta{margin-left:.4rem;flex:none}

/* ---------- 按钮 ---------- */
.gx-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  gap:.45rem;min-height:44px;padding:0 1.15rem;
  font-family:var(--sans);font-size:.92rem;font-weight:700;line-height:1;
  color:#20150A;background:var(--gold);border:1px solid transparent;
  border-radius:2px;clip-path:var(--clip-corner);cursor:pointer;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease);
}
.gx-btn::before{
  content:"";position:absolute;top:7px;right:11px;width:3px;height:3px;
  border-radius:50%;background:currentColor;opacity:0;
  transition:opacity .12s var(--ease),transform .12s var(--ease);
}
.gx-btn:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(245,185,76,.5),0 12px 26px -14px rgba(245,185,76,.75)}
.gx-btn:hover::before{opacity:.85;transform:translate(2px,-2px)}
.gx-btn:active{transform:translateY(0)}
.gx-btn--gold{background:var(--gold);color:#20150A}
.gx-btn--cyan{background:var(--cyan);color:#04222A;clip-path:var(--clip-corner-r)}
.gx-btn--cyan:hover{box-shadow:0 0 0 1px rgba(62,198,198,.55),0 12px 26px -14px rgba(62,198,198,.8)}
.gx-btn--ghost{
  background:transparent;color:var(--white);
  border-color:rgba(62,198,198,.45);clip-path:var(--clip-corner-r);
}
.gx-btn--ghost:hover{background:rgba(62,198,198,.12);border-color:var(--cyan);box-shadow:none}

/* ---------- 面包屑 ---------- */
.gx-breadcrumb{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--haze)}
.gx-breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.2rem}
.gx-breadcrumb__list li{display:inline-flex;align-items:center}
.gx-breadcrumb__list li+li::before{content:"/";color:rgba(169,180,201,.55);padding-inline:.45rem}
.gx-breadcrumb__list a{color:var(--cyan)}
.gx-breadcrumb__list a:hover{color:var(--white)}
.gx-breadcrumb__list [aria-current="page"]{color:var(--gold)}

/* ---------- 章节 / 标签 / 面板 ---------- */
.gx-section{position:relative;padding-block:clamp(2.4rem,6vw,5rem)}
.gx-label{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;
  color:var(--cyan);border:1px solid rgba(62,198,198,.35);
  padding:.28rem .6rem;clip-path:var(--clip-corner);
}
.gx-label--gold{color:var(--gold);border-color:rgba(245,185,76,.45)}
.gx-label--dark{color:var(--deep);border-color:rgba(16,19,34,.3)}
.gx-vlabel{
  writing-mode:vertical-rl;font-family:var(--mono);font-size:.64rem;
  letter-spacing:.34em;color:var(--haze);text-transform:uppercase;
}
.gx-panel{
  position:relative;background:var(--ink-2);color:var(--white);
  border:1px solid var(--line);padding:clamp(1.05rem,2.4vw,1.8rem);
  clip-path:var(--clip-corner);
}
.gx-panel--paper{
  background:var(--paper);color:var(--deep);
  border-color:rgba(16,19,34,.14);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.4);
}
.gx-panel--paper h2,.gx-panel--paper h3,.gx-panel--paper h4{color:var(--deep)}
.gx-panel--paper a{color:#4B2E93}
.gx-panel--paper a:hover{color:var(--deep)}
.gx-tag{
  display:inline-flex;align-items:center;min-height:28px;padding:0 .65rem;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;
  color:var(--white);background:rgba(108,74,182,.22);
  border:1px solid rgba(108,74,182,.55);border-radius:999px;
}
.gx-tag--gold{color:var(--gold);background:rgba(245,185,76,.12);border-color:rgba(245,185,76,.5)}
.gx-tag--cyan{color:var(--cyan);background:rgba(62,198,198,.12);border-color:rgba(62,198,198,.5)}
.gx-rule{
  height:1px;border:0;margin:clamp(1.6rem,4vw,2.8rem) 0;
  background:linear-gradient(90deg,var(--cyan),rgba(108,74,182,.6) 34%,transparent 88%);
}
.gx-link{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.gx-link:hover{color:var(--gold)}

/* ---------- 网格 ---------- */
.gx-grid{display:grid;gap:clamp(.85rem,2vw,1.4rem)}
.gx-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.gx-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.gx-grid--bento{grid-template-columns:repeat(6,minmax(0,1fr))}
.gx-col-2{grid-column:span 2}
.gx-col-3{grid-column:span 3}
.gx-col-4{grid-column:span 4}
.gx-col-6{grid-column:span 6}

/* ---------- 图片容器基础规则 ---------- */
.gx-media{
  position:relative;overflow:hidden;background:var(--ink-3);
  border:1px solid rgba(62,198,198,.2);clip-path:var(--clip-corner);
  isolation:isolate;
}
.gx-media__img{width:100%;height:100%;object-fit:cover;display:block}
.gx-media::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(158deg,rgba(108,74,182,.22),transparent 58%);
}
.gx-media--16x9{aspect-ratio:16/9}
.gx-media--4x3{aspect-ratio:4/3}
.gx-media--1x1{aspect-ratio:1/1}
.gx-media__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:.6rem .8rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;
  color:var(--white);background:linear-gradient(0deg,rgba(8,18,39,.94),rgba(8,18,39,0));
}

/* ---------- 正文 / 显现 ---------- */
.gx-prose{max-width:68ch}
.gx-prose p{margin-bottom:1em}
.gx-prose ul,.gx-prose ol{list-style:disc;padding-left:1.15rem;margin:0 0 1em}
.gx-prose ol{list-style:decimal}
.gx-prose li{margin-bottom:.35em}
.gx-prose h2,.gx-prose h3{margin:1.4em 0 .5em}
.gx-reveal{will-change:opacity,transform}
[data-motion="on"] .gx-reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-motion="on"] .gx-reveal[data-revealed]{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.gx-footer{
  position:relative;isolation:isolate;overflow:hidden;
  padding-block:clamp(2.2rem,5vw,3.6rem) 1.4rem;
  border-top:1px solid var(--line);
  background:radial-gradient(120% 90% at 15% 0%,#16294F 0%,#0B1B3A 52%,#081227 100%);
}
.gx-footer__stars{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background-image:
    radial-gradient(1.5px 1.5px at 8% 18%,#F2F6FF,transparent 62%),
    radial-gradient(1.5px 1.5px at 23% 66%,#F5B94C,transparent 62%),
    radial-gradient(1px 1px at 37% 28%,#F2F6FF,transparent 62%),
    radial-gradient(1.5px 1.5px at 52% 78%,#3EC6C6,transparent 62%),
    radial-gradient(1px 1px at 66% 34%,#F2F6FF,transparent 62%),
    radial-gradient(1.5px 1.5px at 79% 62%,#F2F6FF,transparent 62%),
    radial-gradient(1px 1px at 91% 24%,#F5B94C,transparent 62%),
    radial-gradient(48% 60% at 88% 6%,rgba(108,74,182,.4),transparent 72%),
    radial-gradient(40% 50% at 6% 92%,rgba(62,198,198,.16),transparent 70%);
}
.gx-footer__top{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.6fr);
  gap:clamp(1.5rem,4vw,3.4rem);
}
.gx-footer__brand{
  font-size:clamp(1.35rem,2.6vw,1.95rem);font-weight:900;color:var(--white);
  letter-spacing:-.01em;margin:0 0 .65rem;
}
.gx-footer__brand::after{
  content:"";display:block;width:56px;height:3px;margin-top:.7rem;
  background:linear-gradient(90deg,var(--gold),var(--violet));
  clip-path:polygon(0 0,100% 0,calc(100% - 4px) 100%,0 100%);
}
.gx-footer__summary{color:var(--haze);font-size:.92rem;max-width:36ch;margin:0 0 .9rem}
.gx-footer__edition{color:rgba(245,185,76,.85);letter-spacing:.16em;margin:0}
.gx-footer__cols{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));
  gap:clamp(1rem,2.6vw,2rem);
}
.gx-footer__title{
  font-family:var(--mono);font-size:.68rem;font-weight:400;
  letter-spacing:.2em;color:var(--cyan);margin:0 0 .85rem;
}
.gx-footer__list{display:grid;gap:.3rem}
.gx-footer__link{
  position:relative;display:inline-block;min-height:32px;line-height:1.7;
  color:var(--haze);font-size:.9rem;transition:color .16s var(--ease);
}
.gx-footer__link::after{
  content:"";position:absolute;left:0;bottom:5px;width:100%;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .18s var(--ease);
}
.gx-footer__link:hover{color:var(--white)}
.gx-footer__link:hover::after{transform:scaleX(1)}
.gx-footer__contact{
  display:flex;flex-wrap:wrap;align-items:baseline;
  gap:.45rem clamp(1rem,3vw,2.4rem);
  margin-top:clamp(1.4rem,3vw,2.2rem);padding-top:clamp(1.1rem,2.4vw,1.7rem);
  border-top:1px dashed rgba(169,180,201,.22);
}
.gx-footer__contact-item{
  display:flex;align-items:baseline;gap:.5rem;margin:0;
  font-size:.9rem;color:var(--white);
}
.gx-footer__contact-item .gx-mono{color:var(--cyan);font-size:.64rem}
.gx-footer__note{
  margin:clamp(1rem,2vw,1.4rem) 0 0;max-width:82ch;
  font-size:.8rem;line-height:1.8;color:var(--haze);
  border-left:2px solid rgba(245,185,76,.5);padding-left:.9rem;
}
.gx-footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.6rem 1.4rem;margin-top:clamp(1.4rem,3vw,2rem);padding-top:1rem;
  border-top:1px solid rgba(169,180,201,.16);
}
.gx-footer__legal{
  margin:0;font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;
  color:rgba(169,180,201,.85);
}
.gx-footer__links{display:flex;flex-wrap:wrap;gap:.2rem 1.1rem}

/* ---------- 响应式 ---------- */
@media (max-width:1240px){
  .gx-nav__idx{display:none}
  .gx-nav__link{padding:0 .45rem;font-size:.86rem}
}
@media (max-width:1120px){
  .gx-burger{display:inline-flex;margin-left:auto}
  .gx-nav{
    position:absolute;top:100%;left:50%;width:100vw;
    transform:translateX(-50%);margin:0;display:none;
    flex-direction:column;align-items:stretch;gap:.3rem;
    padding:1rem var(--gutter) 1.4rem;
    background:linear-gradient(180deg,#14264B 0%,#0D1F42 100%);
    border-bottom:1px solid var(--line);
    box-shadow:0 28px 44px -26px rgba(0,0,0,.95);
    max-height:calc(100vh - 96px);max-height:calc(100dvh - 96px);
    overflow-y:auto;
  }
  .gx-nav[data-open]{display:flex}
  .gx-nav__list{flex-direction:column;align-items:stretch;gap:.1rem}
  .gx-nav__idx{display:inline;font-size:.62rem}
  .gx-nav__link{
    min-height:52px;padding:0 .25rem;font-size:1rem;
    border-bottom:1px solid rgba(169,180,201,.13);
  }
  .gx-nav__link::after{left:0;right:auto;bottom:0;width:100%}
  .gx-nav__cta{margin:.9rem 0 .2rem;width:100%}
  .gx-nav__cta .gx-btn{width:100%}
  .gx-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .gx-col-2,.gx-col-3,.gx-col-4{grid-column:span 3}
  .gx-footer__top{grid-template-columns:1fr}
  .gx-footer__summary{max-width:none}
}
@media (max-width:760px){
  .gx-orbit__inner{justify-content:flex-start;gap:.9rem}
  .gx-orbit__status{display:none}
  .gx-orbit__phone{margin-left:auto}
  .gx-brand__name{font-size:.96rem}
  .gx-brand__sub{font-size:.56rem;letter-spacing:.14em}
  .gx-grid--2{grid-template-columns:1fr}
  .gx-grid--3{grid-template-columns:1fr}
  .gx-footer__contact{flex-direction:column;gap:.5rem}
  .gx-footer__base{flex-direction:column;align-items:flex-start}
}
@media (max-width:620px){
  .gx-col-2,.gx-col-3,.gx-col-4,.gx-col-6{grid-column:span 6}
  .gx-panel{padding:1rem}
  .gx-footer__legal{font-size:.64rem;letter-spacing:.04em}
}
@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-dot{animation:none}
  .gx-reveal,.gx-reveal[data-revealed]{opacity:1 !important;transform:none !important}
  .gx-progress{transition:none}
  .gx-btn:hover{transform:none}
}