:root{
  --ink-900:#07151C;
  --ink-800:#0B1F29;
  --ice-100:#D9F1F2;
  --ice-050:#F6FBFA;
  --slate-700:#2A3B45;
  --slate-500:#415A67;
  --sand-500:#C7A15A;
  --sand-200:#EED9B0;
  --violet:#7C4DFF;
  --violet-700:#5A2FD1;
  --lime:#B8FF3B;
  --red:#E8342A;
  --amber:#FFB000;
  --font-display:"Oswald","Barlow Condensed","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Inter","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --wrap:1320px;
  --gutter:clamp(16px,4vw,56px);
  --gap:clamp(16px,2.4vw,32px);
  --ease:160ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background-color:var(--ice-050);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;}
a{color:inherit;}
table{border-collapse:collapse;width:100%;}
#main-content{scroll-margin-top:132px;}

a:focus-visible,button:focus-visible,[tabindex]:focus-visible,summary:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
}

/* ============ 头部：三层命令栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  color:var(--ice-050);
  background-color:var(--ink-900);
  background-image:linear-gradient(180deg,rgba(124,77,255,.18),rgba(7,21,28,0) 64%);
  border-bottom:2px solid var(--sand-500);
  transition:box-shadow var(--ease);
}
.site-header[data-stuck]{box-shadow:0 16px 30px -16px rgba(7,21,28,.9);}

.skip-link{
  position:absolute;
  left:50%;
  top:6px;
  transform:translate(-50%,-180%);
  z-index:200;
  padding:10px 18px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  letter-spacing:.08em;
  color:var(--ink-900);
  background-color:var(--lime);
  border:2px solid var(--ink-900);
  text-decoration:none;
  transition:transform var(--ease);
}
.skip-link:focus{transform:translate(-50%,0);}

.command-strip{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:7px var(--gutter) 7px calc(var(--gutter) + 14px);
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.5;
  letter-spacing:.1em;
  color:rgba(217,241,242,.72);
  border-bottom:1px solid rgba(217,241,242,.12);
}
.command-strip::before{
  content:"";
  position:absolute;
  left:var(--gutter);
  top:50%;
  width:6px;
  height:6px;
  transform:translateY(-50%) rotate(45deg);
  background-color:var(--sand-500);
}
.strip-status{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.status-dot{
  flex:none;
  width:7px;
  height:7px;
  border-radius:50%;
  background-color:var(--lime);
  box-shadow:0 0 0 3px rgba(184,255,59,.18);
}
.strip-stamp{display:flex;align-items:center;gap:10px;justify-self:center;white-space:nowrap;}
.strip-stamp::before{
  content:"";
  width:clamp(20px,6vw,90px);
  height:1px;
  background-image:repeating-linear-gradient(90deg,rgba(199,161,90,.7) 0 1px,transparent 1px 5px);
}
.strip-date{color:var(--ice-100);letter-spacing:.14em;}
.strip-ref{justify-self:end;color:rgba(199,161,90,.9);letter-spacing:.2em;white-space:nowrap;}

.command-bar{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:12px var(--gutter);
}

.brand{display:flex;align-items:center;gap:12px;flex:none;text-decoration:none;color:var(--ice-050);}
.brand-mark{
  flex:none;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  line-height:1;
  color:var(--ice-050);
  background-image:linear-gradient(160deg,rgba(124,77,255,.85),rgba(7,21,28,.25));
  border:2px solid var(--sand-500);
  box-shadow:4px 4px 0 rgba(199,161,90,.3);
  transition:box-shadow var(--ease),transform var(--ease);
}
.brand:hover .brand-mark{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--lime);}
.brand-text{display:flex;flex-direction:column;gap:1px;line-height:1.15;}
.brand-name{font-family:var(--font-display);font-weight:900;font-size:19px;letter-spacing:.04em;}
.brand-line{font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;color:var(--sand-200);}

.primary-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-item{flex:none;}
.nav-link{
  display:flex;
  align-items:baseline;
  gap:7px;
  padding:9px 8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.03em;
  color:rgba(217,241,242,.86);
  text-decoration:none;
  border:1px solid transparent;
  border-bottom:2px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link:hover{color:var(--ice-050);background-color:rgba(217,241,242,.08);border-bottom-color:var(--sand-500);}
.nav-link:active{background-color:rgba(184,255,59,.16);}
.nav-link[aria-current="page"]{
  color:var(--ink-900);
  font-weight:800;
  background-color:var(--lime);
  border-color:var(--lime);
}
.nav-index{font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.06em;color:var(--sand-500);}
.nav-link[aria-current="page"] .nav-index{color:rgba(7,21,28,.6);}
.nav-label{white-space:nowrap;}

.header-cta{
  flex:none;
  display:inline-flex;
  align-items:center;
  padding:11px 18px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  letter-spacing:.06em;
  white-space:nowrap;
  color:#fff;
  text-decoration:none;
  background-color:var(--violet-700);
  border:2px solid var(--ice-050);
  box-shadow:4px 4px 0 var(--lime);
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.header-cta:hover{background-color:var(--violet);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--lime);}
.header-cta:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--lime);}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  flex:none;
  padding:9px 12px;
  color:var(--ice-050);
  background-color:rgba(217,241,242,.06);
  border:2px solid rgba(217,241,242,.4);
  cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{background-color:rgba(217,241,242,.14);border-color:var(--sand-500);}
.nav-toggle-bars{display:flex;flex-direction:column;gap:3px;width:16px;}
.nav-toggle-bars span{display:block;height:2px;width:100%;background-color:var(--lime);}
.nav-toggle-text{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;}
.site-header[data-nav-open] .nav-toggle{border-color:var(--lime);color:var(--lime);background-color:rgba(184,255,59,.1);}

.command-scale{
  position:relative;
  height:6px;
  background-image:repeating-linear-gradient(90deg,rgba(199,161,90,.6) 0 1px,transparent 1px 14px);
  background-repeat:repeat-x;
  opacity:.7;
}
.command-scale::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:clamp(80px,12vw,180px);
  height:100%;
  background-image:linear-gradient(90deg,var(--lime),rgba(184,255,59,0));
}
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  z-index:5;
  pointer-events:none;
}
.scroll-progress-bar{
  display:block;
  height:100%;
  width:0;
  background-color:var(--lime);
  box-shadow:0 0 8px rgba(184,255,59,.7);
}

@media (max-width:1280px){
  .nav-toggle{display:inline-flex;}
  .primary-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    z-index:20;
    margin-left:0;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    background-color:var(--ink-800);
    border-top:2px solid var(--sand-500);
    border-bottom:2px solid var(--sand-500);
    transition:max-height 180ms ease,visibility 180ms ease;
  }
  .primary-nav[data-open]{max-height:min(78vh,640px);overflow-y:auto;visibility:visible;}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;padding:12px var(--gutter) 20px;}
  .nav-item{flex:1 1 auto;}
  .nav-link{
    justify-content:flex-start;
    padding:14px 14px;
    font-size:15px;
    border:1px solid rgba(217,241,242,.14);
    border-left:3px solid transparent;
  }
  .nav-link[aria-current="page"]{border-left-color:var(--ink-900);}
  .header-cta{margin-left:auto;}
  .nav-toggle{margin-left:0;}
}

@media (max-width:640px){
  .command-strip{grid-template-columns:1fr auto;padding-block:6px;}
  .strip-stamp{gap:6px;font-size:10px;}
  .strip-stamp::before{display:none;}
  .strip-ref{display:none;}
  .brand-mark{width:38px;height:38px;font-size:17px;box-shadow:3px 3px 0 rgba(199,161,90,.3);}
  .brand-name{font-size:16px;}
  .brand-line{font-size:9px;letter-spacing:.18em;}
  .header-cta{padding:9px 12px;font-size:12px;box-shadow:3px 3px 0 var(--lime);}
  .header-cta:hover{box-shadow:1px 1px 0 var(--lime);}
  .nav-toggle{padding:8px 10px;}
  .command-bar{padding-block:10px;}
  #main-content{scroll-margin-top:112px;}
}

/* ============ 页脚：文字建筑 + 刻度展签 ============ */
.site-footer{
  position:relative;
  color:var(--ice-100);
  background-color:var(--ink-900);
  background-image:radial-gradient(120% 100% at 88% 0%,rgba(124,77,255,.24),rgba(7,21,28,0) 58%),
                   linear-gradient(180deg,rgba(217,241,242,.05),rgba(7,21,28,0) 32%);
  border-top:3px solid var(--sand-500);
}
.footer-rule{
  height:10px;
  background-image:repeating-linear-gradient(90deg,rgba(199,161,90,.75) 0 1px,transparent 1px 16px);
  opacity:.5;
  border-bottom:1px solid rgba(217,241,242,.08);
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(240px,1.35fr) repeat(3,minmax(140px,.75fr));
  gap:clamp(24px,3.2vw,56px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(36px,5vw,68px) var(--gutter) clamp(26px,3.5vw,44px);
}
.footer-lead{display:flex;flex-direction:column;gap:14px;max-width:34ch;}
.footer-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--sand-200);
}
.footer-eyebrow::before{content:"";flex:none;width:22px;height:2px;background-color:var(--lime);}
.footer-wordmark{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(34px,5vw,54px);
  line-height:.98;
  letter-spacing:-.01em;
  color:var(--ice-050);
}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(217,241,242,.78);}
.footer-meta{
  margin-top:2px;
  padding-top:12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--sand-500);
  border-top:1px solid rgba(199,161,90,.35);
}
.footer-col,.footer-nav,.footer-legal,.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-title{
  display:flex;
  align-items:center;
  gap:8px;
  padding-bottom:10px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  line-height:1.4;
  letter-spacing:.22em;
  color:var(--sand-500);
  border-bottom:1px solid rgba(217,241,242,.14);
}
.footer-title::before{content:"";flex:none;width:6px;height:6px;background-color:var(--sand-500);transform:rotate(45deg);}
.footer-list{display:flex;flex-direction:column;gap:8px;}
.footer-link{
  display:inline-block;
  padding-left:12px;
  font-size:14px;
  line-height:1.6;
  color:rgba(246,251,250,.82);
  text-decoration:none;
  border-left:2px solid rgba(217,241,242,.16);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.footer-link:hover{color:var(--lime);border-left-color:var(--lime);background-color:rgba(184,255,59,.06);}
.footer-link:active{color:var(--ice-050);}
.footer-address{display:flex;flex-direction:column;gap:10px;font-style:normal;}
.footer-row{display:flex;flex-direction:column;gap:2px;}
.footer-row-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--sand-500);}
.footer-row-value{font-size:13.5px;line-height:1.6;color:rgba(246,251,250,.86);word-break:break-word;}
.footer-hours{
  padding-top:10px;
  font-size:12px;
  line-height:1.7;
  color:rgba(217,241,242,.6);
  border-top:1px dashed rgba(217,241,242,.18);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 28px;
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:16px var(--gutter) 22px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:rgba(217,241,242,.55);
  border-top:1px solid rgba(217,241,242,.12);
}
.footer-copy{margin-right:auto;}
.footer-icp{color:rgba(199,161,90,.85);}
.footer-domain{color:rgba(217,241,242,.42);}

@media (max-width:1024px){
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-lead{grid-column:1 / -1;max-width:none;}
}
@media (max-width:600px){
  .footer-inner{grid-template-columns:1fr;}
  .footer-base{flex-direction:column;align-items:flex-start;gap:8px;}
  .footer-copy{margin-right:0;}
}

/* ============ 通用容器与网格 ============ */
.container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter);}
.container--narrow{max-width:880px;}
.grid{display:grid;gap:var(--gap);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
@media (max-width:900px){
  .grid--2,.grid--3{grid-template-columns:1fr;}
}

/* ============ 面板 / 展签 / 标签 ============ */
.panel{
  position:relative;
  padding:clamp(20px,3vw,36px);
  color:var(--ink-900);
  background-color:var(--ice-050);
  border:2px solid var(--ink-900);
  box-shadow:8px 8px 0 rgba(7,21,28,.14);
}
.panel--ink{
  color:var(--ice-050);
  background-color:var(--ink-800);
  border-color:var(--sand-500);
  box-shadow:8px 8px 0 rgba(199,161,90,.22);
}
.label{
  display:inline-block;
  padding-left:9px;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.4;
  letter-spacing:.22em;
  color:var(--sand-500);
  border-left:3px solid var(--sand-500);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.5;
  letter-spacing:.12em;
  border:2px solid currentColor;
}
.tag--sand{color:#8A6A2E;}
.tag--lime{color:#4A7A00;}
.tag--red{color:var(--red);}
.tag--amber{color:#9A6800;}
.panel--ink .tag--sand,.site-footer .tag--sand{color:var(--sand-200);}
.panel--ink .tag--lime,.site-footer .tag--lime{color:var(--lime);}
.panel--ink .tag--amber,.site-footer .tag--amber{color:var(--amber);}
.panel--ink .tag--red,.site-footer .tag--red{color:#FF6A5F;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:12px 22px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:15px;
  letter-spacing:.06em;
  text-decoration:none;
  cursor:pointer;
  color:var(--ink-900);
  background-color:var(--ice-050);
  border:2px solid var(--ink-900);
  box-shadow:5px 5px 0 var(--ink-900);
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease);
}
.btn:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--ink-900);}
.btn:active{transform:translate(4px,4px);box-shadow:1px 1px 0 var(--ink-900);}
.btn--primary{color:#fff;background-color:var(--violet-700);border-color:var(--ink-900);box-shadow:5px 5px 0 var(--lime);}
.btn--primary:hover{background-color:var(--violet);box-shadow:3px 3px 0 var(--lime);}
.btn--primary:active{box-shadow:1px 1px 0 var(--lime);}
.btn--ghost{color:var(--ice-050);background-color:transparent;border-color:var(--ice-100);box-shadow:5px 5px 0 rgba(217,241,242,.28);}
.btn--ghost:hover{background-color:rgba(217,241,242,.1);box-shadow:3px 3px 0 rgba(217,241,242,.28);}
.btn--sand{color:var(--ink-900);background-color:var(--sand-200);border-color:var(--ink-900);box-shadow:5px 5px 0 var(--sand-500);}
.btn--sand:hover{background-color:var(--sand-500);box-shadow:3px 3px 0 var(--sand-500);}

/* ============ 面包屑与分隔线 ============ */
.breadcrumb{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--slate-700);}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:var(--sand-500);}
.breadcrumb-link{
  color:inherit;
  text-decoration:none;
  opacity:.72;
  border-bottom:1px solid transparent;
  transition:opacity var(--ease),border-color var(--ease);
}
.breadcrumb-link:hover{opacity:1;border-bottom-color:var(--sand-500);}
.breadcrumb-current{color:var(--sand-500);font-weight:700;}
.rule{height:2px;width:100%;background-color:currentColor;opacity:.18;border:0;}
.rule--dashed{height:1px;background:none;border-top:2px dashed currentColor;opacity:.25;}

/* ============ 图片容器基础规则 ============ */
.media-frame{
  position:relative;
  overflow:hidden;
  background-color:var(--slate-700);
  background-image:linear-gradient(155deg,rgba(124,77,255,.35),rgba(7,21,28,.85) 62%);
  border:2px solid var(--ink-900);
  box-shadow:8px 8px 0 rgba(7,21,28,.16);
}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block;}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.5;
  mix-blend-mode:screen;
  background-image:repeating-linear-gradient(90deg,rgba(246,251,250,.07) 0 1px,transparent 1px 9px),
                   repeating-linear-gradient(0deg,rgba(246,251,250,.05) 0 1px,transparent 1px 9px);
}
.media-frame--16x9{aspect-ratio:16 / 9;}
.media-frame--4x5{aspect-ratio:4 / 5;}
.media-frame--1x1{aspect-ratio:1 / 1;}
.media-caption{
  display:flex;
  justify-content:space-between;
  gap:12px;
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--slate-700);
}

/* ============ 长文阅读区 ============ */
.prose{max-width:38em;font-size:16.5px;line-height:1.85;}
.prose p + p{margin-top:1em;}
.prose h2,.prose h3{margin-top:1.6em;margin-bottom:.5em;line-height:1.25;}
.prose ul{list-style:disc;padding-left:1.2em;}
.prose li + li{margin-top:.4em;}
.prose a{color:var(--violet-700);text-decoration:none;border-bottom:2px solid rgba(124,77,255,.35);}
.prose a:hover{border-bottom-color:var(--violet-700);}
.prose strong{font-weight:800;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}