:root{
  --ink:#0B1A2B;
  --ink-2:#12283F;
  --paper:#F4EFE6;
  --copper:#B07A3C;
  --copper-2:#D8A96B;
  --ice:#7FC4E8;
  --ice-2:#3E86B5;
  --slate:#6B7E8C;
  --line:#C9D3DA;
  --text:#F7FAFC;
  --font-display:"Noto Sans SC Condensed","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Songti SC","SimSun","Noto Sans SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --maxw:1280px;
  --axis-w:72px;
  --header-h:76px;
  --radius:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink)}
body{
  margin:0;
  background:transparent;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(201,211,218,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,211,218,.045) 1px,transparent 1px),
    radial-gradient(circle at 82% 8%,rgba(127,196,232,.07),transparent 34%),
    radial-gradient(circle at 12% 88%,rgba(176,122,60,.08),transparent 38%);
  background-size:72px 72px,72px 72px,auto,auto;
}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.02em;
  text-wrap:balance;
  color:var(--paper);
}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:inherit}
img,svg{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0}
::selection{background:var(--copper);color:#08131F}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important}
}

/* 基础排版 */
.mono,.eyebrow,.section-head__index{
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper-2);
}
.eyebrow{display:inline-block;margin-bottom:14px}
.text-link{color:var(--ice);text-decoration:none;border-bottom:1px solid var(--ice-2)}
.text-link:hover{color:var(--copper-2);border-bottom-color:var(--copper-2)}
.rule{height:1px;border:0;background:rgba(201,211,218,.24);margin:32px 0}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* 跳转链接 */
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:100;
  transform:translateY(-160%);
  padding:10px 16px;
  background:var(--copper);
  color:#08131F;
  font-family:var(--font-sans);
  font-size:14px;
  text-decoration:none;
  border-radius:var(--radius);
  transition:transform .2s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0)}

/* 页头 */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:rgba(11,26,43,.96);
  border-bottom-color:rgba(201,211,218,.24);
  backdrop-filter:blur(8px);
}
.site-header__inner{
  width:min(calc(100% - 48px),var(--maxw));
  min-height:var(--header-h);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  text-decoration:none;
  flex:0 0 auto;
}
.brand-lockup__mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  flex:none;
  border:1px solid var(--copper-2);
  background:rgba(176,122,60,.1);
  color:var(--copper-2);
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1;
}
.brand-lockup__body{display:block;min-width:0}
.brand-lockup__name{
  display:block;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-lockup__sub{
  display:block;
  margin-top:2px;
  font-family:var(--font-sans);
  font-size:12px;
  line-height:1.4;
  color:rgba(247,250,252,.62);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.site-nav{display:flex;align-items:center;min-width:0}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  padding:0;
  list-style:none;
}
.site-nav__item{flex:none}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 10px;
  font-family:var(--font-sans);
  font-size:14px;
  line-height:1.4;
  color:rgba(247,250,252,.76);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.site-nav__link:hover{color:var(--paper);border-bottom-color:var(--copper-2)}
.site-nav__link[aria-current="page"]{color:var(--copper-2);border-bottom-color:var(--copper)}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
}
.header-status{
  padding-left:10px;
  border-left:2px solid var(--copper);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.04em;
  color:var(--ice);
  white-space:nowrap;
}
.header-cta{white-space:nowrap}
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  background:transparent;
  border:1px solid rgba(201,211,218,.4);
  border-radius:var(--radius);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:14px;
  line-height:1;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--copper-2);color:var(--copper-2)}
.nav-toggle__bars{
  position:relative;
  display:inline-block;
  width:18px;
  height:12px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:1px;
  background:currentColor;
  transition:transform .24s var(--ease),top .24s var(--ease),bottom .24s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{bottom:6px;transform:rotate(-45deg)}
.nav-toggle__label{font-family:var(--font-sans)}
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:rgba(201,211,218,.1);
}
.scroll-progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--copper),var(--ice));
  transition:width .12s linear;
}

/* 按钮 */
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 18px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.button--copper{background:var(--copper);color:#08131F;border-color:var(--copper-2)}
.button--copper:hover{background:var(--copper-2);transform:translateY(-2px)}
.button--ghost{background:transparent;color:var(--paper);border-color:rgba(201,211,218,.4)}
.button--ghost:hover{border-color:var(--copper-2);color:var(--copper-2);transform:translateY(-2px)}
.button--ice{background:var(--ice);color:#08131F;border-color:var(--ice)}
.button--ice:hover{background:#A7D8F2;transform:translateY(-2px)}

/* 页脚 */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:120px;
  background:#08131F;
  border-top:1px solid rgba(201,211,218,.24);
}
.site-footer__inner{
  width:min(calc(100% - 48px),var(--maxw));
  margin-inline:auto;
  padding:72px 0 48px;
  display:grid;
  grid-template-columns:minmax(220px,1.1fr) 2fr minmax(250px,1.2fr);
  gap:48px;
}
.footer-brand__name{
  display:inline-block;
  font-family:var(--font-display);
  font-size:20px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--paper);
  text-decoration:none;
}
.footer-brand__name:hover{color:var(--copper-2)}
.footer-brand__note{
  margin:16px 0 0;
  max-width:24em;
  font-size:14px;
  line-height:1.75;
  color:rgba(247,250,252,.62);
}
.footer-nav{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.footer-col__title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  line-height:1.4;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper-2);
}
.footer-col__list{
  list-style:none;
  padding:0;
  display:grid;
  gap:10px;
}
.footer-col__link{
  font-family:var(--font-sans);
  font-size:14px;
  line-height:1.5;
  color:rgba(247,250,252,.78);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-col__link:hover{color:var(--ice);border-bottom-color:var(--ice-2)}
.footer-contact__line{
  margin:0 0 10px;
  font-size:13px;
  line-height:1.8;
  color:rgba(247,250,252,.68);
}
.footer-contact__line--mono{
  font-family:var(--font-mono);
  letter-spacing:.04em;
  color:var(--ice);
}
.footer-contact__actions{margin:18px 0 0}
.site-footer__base{
  width:min(calc(100% - 48px),var(--maxw));
  margin-inline:auto;
  padding:20px 0 32px;
  border-top:1px solid rgba(201,211,218,.16);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px 24px;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  color:rgba(247,250,252,.5);
}
.site-footer__base p{margin:0}

/* 通用布局 */
.site-main{padding-top:var(--header-h)}
.container{width:min(calc(100% - 48px),var(--maxw));margin-inline:auto}
.section{position:relative;padding:96px 0}
.section:first-child{padding-top:64px}
.section-head{max-width:8/12*100%;max-width:66%;margin-bottom:40px}
.section-head__index{display:block;margin-bottom:14px;color:var(--copper-2)}
.section-head__title{font-size:34px;color:var(--paper)}
.section-head__lead{margin:16px 0 0;max-width:42em;font-size:16px;color:rgba(247,250,252,.72)}
.band{height:2px;border:0;margin:0;background:rgba(201,211,218,.24)}
.band--copper{height:4px;background:var(--copper)}
.band--ice{height:2px;background:var(--ice-2)}

/* 索引轴 */
.axis{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  width:var(--axis-w);
  align-self:start;
}
.axis__list{list-style:none;padding:0;display:grid;gap:4px}
.axis__item{position:relative;padding-left:22px}
.axis__item::before{
  content:"";
  position:absolute;
  left:0;
  top:.7em;
  width:10px;
  height:1px;
  background:var(--line);
  opacity:.5;
}
.axis__link{
  display:block;
  padding:6px 0;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.08em;
  color:var(--slate);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.axis__link:hover{color:var(--copper-2)}
.axis__link.is-active{color:var(--copper-2)}
.axis__link.is-active::after{
  content:"";
  position:absolute;
  left:0;
  top:.7em;
  width:22px;
  height:2px;
  background:var(--copper);
}
.axis__index{display:block;color:inherit}
.axis__dot{
  display:inline-block;
  width:6px;
  height:6px;
  margin-right:6px;
  border:1px solid currentColor;
  transform:rotate(45deg);
}

/* 面板 */
.panel{
  position:relative;
  padding:32px;
  border:1px solid rgba(201,211,218,.24);
  border-radius:var(--radius);
  background:var(--ink-2);
}
.panel--paper{
  background:var(--paper);
  color:var(--ink);
  border-color:rgba(11,26,43,.18);
}
.panel--paper h2,.panel--paper h3,.panel--paper h4{color:var(--ink)}
.panel--deep{background:#0A1726;border-color:rgba(201,211,218,.18)}
.panel--slate{background:rgba(107,126,140,.16);border-color:rgba(201,211,218,.2)}

/* 对照表 */
.ledger{border-top:1px solid rgba(201,211,218,.24)}
.ledger__row{
  display:grid;
  grid-template-columns:minmax(120px,1fr) 2fr;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid rgba(201,211,218,.18);
}
.ledger__key{
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.08em;
  color:var(--copper-2);
}
.ledger__value{font-size:14px;line-height:1.7;color:rgba(247,250,252,.82)}
.panel--paper .ledger__value{color:rgba(11,26,43,.82)}
.panel--paper .ledger__key{color:var(--copper)}

/* 公告窗口 */
.notice-window{
  border:1px solid rgba(201,211,218,.24);
  background:rgba(18,40,63,.72);
}
.notice-window__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 16px;
  border-bottom:1px solid rgba(201,211,218,.24);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.08em;
  color:var(--copper-2);
}
.notice-window__list{list-style:none;padding:0;max-height:420px;overflow:auto}
.notice-item{
  padding:14px 16px;
  border-bottom:1px solid rgba(201,211,218,.14);
  font-size:14px;
  line-height:1.7;
  color:rgba(247,250,252,.78);
}
.notice-item:last-child{border-bottom:0}

/* 可展开内容组 */
.accordion{border-top:1px solid rgba(201,211,218,.24)}
.accordion__item{border-bottom:1px solid rgba(201,211,218,.24)}
.accordion__trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 0;
  background:transparent;
  border:0;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.5;
  text-align:left;
  cursor:pointer;
  transition:color .2s var(--ease);
}
.accordion__trigger:hover{color:var(--copper-2)}
.accordion__arrow{
  flex:none;
  width:10px;
  height:10px;
  border-right:1px solid currentColor;
  border-bottom:1px solid currentColor;
  transform:rotate(45deg);
  transition:transform .24s var(--ease);
}
.accordion__trigger[aria-expanded="true"] .accordion__arrow{transform:rotate(-135deg)}
.accordion__panel{
  max-height:0;
  overflow:hidden;
  visibility:hidden;
  transition:max-height .24s var(--ease),visibility 0s linear .24s;
}
.accordion__panel[data-open="true"]{
  visibility:visible;
  transition:max-height .24s var(--ease),visibility 0s;
}
.accordion__body{
  padding:0 0 22px;
  font-size:15px;
  line-height:1.75;
  color:rgba(247,250,252,.78);
}
.panel--paper .accordion__trigger{color:var(--ink)}
.panel--paper .accordion__body{color:rgba(11,26,43,.8)}

/* 显现 */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none}

/* 面包屑与标签 */
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 24px;list-style:none}
.breadcrumbs__item{font-family:var(--font-mono);font-size:12px;line-height:1.4;letter-spacing:.06em;color:var(--slate)}
.breadcrumbs__item + .breadcrumbs__item::before{content:"/";margin-right:8px;color:rgba(201,211,218,.4)}
.breadcrumbs__link{color:var(--ice);text-decoration:none}
.breadcrumbs__link:hover{color:var(--copper-2)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border:1px solid rgba(201,211,218,.3);
  border-radius:var(--radius);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.06em;
  color:var(--ice);
}

/* 图片容器基础规则 */
.image-frame{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(201,211,218,.28);
  border-radius:var(--radius);
  background:
    linear-gradient(135deg,rgba(127,196,232,.08),transparent 42%),
    linear-gradient(315deg,rgba(176,122,60,.1),transparent 46%),
    var(--ink-2);
}
.image-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(244,239,230,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,239,230,.05) 1px,transparent 1px);
  background-size:24px 24px;
  mix-blend-mode:screen;
}
.image-frame__canvas{
  display:block;
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  filter:saturate(.72) contrast(1.06) brightness(.88);
}
.image-frame__caption{
  position:relative;
  z-index:1;
  padding:10px 14px;
  border-top:1px solid rgba(201,211,218,.2);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.5;
  letter-spacing:.04em;
  color:rgba(247,250,252,.68);
}

/* 数据摘要 */
.stat{display:grid;gap:4px}
.stat__value{
  font-family:var(--font-mono);
  font-size:34px;
  line-height:1.1;
  color:var(--copper-2);
}
.stat__label{font-family:var(--font-sans);font-size:13px;line-height:1.5;color:rgba(247,250,252,.6)}

/* 响应式 */
@media (max-width:1180px){
  .section-head{max-width:78%}
  .site-header__inner{gap:18px}
  .site-nav__link{padding:8px 7px;font-size:13px}
  .header-status{display:none}
}
@media (max-width:1024px){
  :root{--header-h:68px}
  .site-header__inner{gap:14px}
  .brand-lockup__sub{max-width:34vw}
  .site-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    display:block;
    padding:16px 24px 24px;
    background:rgba(11,26,43,.98);
    border-bottom:1px solid rgba(201,211,218,.24);
    transform:translateY(-10px);
    opacity:0;
    visibility:hidden;
    transition:transform .24s var(--ease),opacity .24s var(--ease),visibility 0s linear .24s;
  }
  .site-nav[data-open="true"]{
    transform:none;
    opacity:1;
    visibility:visible;
    transition:transform .24s var(--ease),opacity .24s var(--ease),visibility 0s;
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{
    padding:14px 0;
    border-bottom:1px solid rgba(201,211,218,.16);
    font-size:16px;
  }
  .site-nav__link[aria-current="page"]{color:var(--copper-2)}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto;gap:12px}
  .site-footer__inner{grid-template-columns:1fr 1fr;gap:40px}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:80px 0}
}
@media (max-width:720px){
  .section-head{max-width:100%}
  .section-head__title{font-size:24px}
  .brand-lockup__sub{display:none}
  .brand-lockup__name{font-size:14px}
  .brand-lockup__mark{width:34px;height:34px}
  .panel{padding:24px}
  .site-footer{margin-top:88px}
  .site-footer__inner{grid-template-columns:1fr;padding:56px 0 36px}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 18px}
  .site-footer__base{flex-direction:column;gap:8px}
  .ledger__row{grid-template-columns:1fr;gap:4px}
  .site-main{padding-top:var(--header-h)}
}
@media (max-width:520px){
  .header-cta{display:none}
  .container,.site-header__inner,.site-footer__inner,.site-footer__base{width:min(calc(100% - 32px),var(--maxw))}
  .section{padding:64px 0}
  .section-head__title{font-size:22px}
  .footer-nav{grid-template-columns:1fr}
  .stat__value{font-size:24px}
}