:root{
  --ink-green:#0E2A24;
  --ink-green-deep:#0A1F1A;
  --gold:#C8A25A;
  --gold-bright:#E6C97A;
  --cream:#F5F0E6;
  --card:#FBF8F1;
  --slate:#6E7F8C;
  --slate-text:#4A5A66;
  --slate-line:#DCE3E7;
  --cinnabar:#B23A2E;
  --ink-black:#1A1A17;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --maxw:1320px;
  --gutter:32px;
  --cut:22px;

  --ease-out:cubic-bezier(0.22,0.61,0.36,1);
  --dur-enter:240ms;
  --dur-indicator:320ms;

  --scroll-progress:0;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink-black);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::after{
  content:"";
  position:fixed;
  top:0;
  left:0;
  height:2px;
  width:calc(var(--scroll-progress,0) * 100%);
  background:linear-gradient(90deg,var(--gold),var(--gold-bright));
  z-index:80;
  pointer-events:none;
  transition:width 80ms linear;
}
img,svg{max-width:100%;}
img{display:block;height:auto;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd,pre{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
table{border-collapse:collapse;}
::selection{background:var(--gold);color:var(--ink-green-deep);}
:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px;}

.sr-only{
  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:absolute;
  left:16px;
  top:-120px;
  z-index:120;
  padding:11px 20px;
  background:var(--gold-bright);
  color:var(--ink-green-deep);
  font-size:13px;
  letter-spacing:.1em;
  transition:top .2s var(--ease-out);
}
.skip-link:focus{top:14px;}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--ink-green);
  color:var(--cream);
  border-bottom:1px solid rgba(200,162,90,.28);
}
.header-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:18px var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  transition:padding var(--dur-enter) var(--ease-out);
}
.site-header.is-condensed .header-inner{padding-top:10px;padding-bottom:10px;}

.brand{display:flex;align-items:center;gap:13px;min-width:0;}
.brand-mark{
  flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border:1px solid rgba(200,162,90,.55);
  color:var(--gold-bright);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.brand-mark svg{display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.07em;color:var(--cream);}
.brand-sub{
  font-size:11.5px;
  letter-spacing:.16em;
  color:rgba(200,162,90,.9);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-height:2em;
  transition:opacity var(--dur-enter) var(--ease-out),max-height var(--dur-enter) var(--ease-out);
}
.site-header.is-condensed .brand-sub{opacity:0;max-height:0;}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:1px solid rgba(200,162,90,.55);
  color:var(--gold-bright);
  transition:background .2s var(--ease-out);
}
.nav-toggle:hover{background:rgba(200,162,90,.12);}
.nav-toggle[aria-expanded="true"]{background:rgba(200,162,90,.16);}
.nav-toggle-icon{display:flex;flex-direction:column;gap:4px;width:15px;}
.nav-toggle-bar{display:block;height:1.5px;width:100%;background:currentColor;}
.nav-toggle-label{font-size:12.5px;letter-spacing:.14em;}

.site-nav{display:flex;align-items:center;gap:26px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-item{position:relative;}
.nav-link{
  display:inline-block;
  padding:10px 13px;
  font-size:14.5px;
  letter-spacing:.06em;
  color:rgba(245,240,230,.78);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease-out),border-color .2s var(--ease-out);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--gold-bright);border-bottom-color:var(--gold);}
.nav-link[aria-current="page"]{color:var(--gold-bright);border-bottom-color:var(--gold-bright);}

.nav-utility{
  display:inline-flex;align-items:center;
  padding:9px 16px;
  font-size:13px;
  letter-spacing:.1em;
  white-space:nowrap;
  color:var(--ink-green-deep);
  background:var(--gold);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:background .2s var(--ease-out);
}
.nav-utility:hover,.nav-utility:focus-visible{background:var(--gold-bright);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-green-deep);
  color:rgba(245,240,230,.76);
  border-top:1px solid rgba(200,162,90,.3);
  font-size:15px;
}
.footer-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(48px,6vw,76px) var(--gutter) 36px;
  display:grid;
  grid-template-columns:minmax(240px,1fr) minmax(0,1.9fr);
  gap:clamp(32px,4vw,64px);
}
.footer-brand{display:flex;flex-direction:column;gap:12px;max-width:320px;}
.footer-wordmark{font-size:22px;font-weight:700;letter-spacing:.09em;color:var(--cream);}
.footer-brand-line{font-size:13.5px;letter-spacing:.08em;color:rgba(245,240,230,.66);}
.footer-brand-tag{font-size:12px;letter-spacing:.16em;color:rgba(200,162,90,.85);}
.footer-cta{
  align-self:flex-start;
  margin-top:8px;
  display:inline-flex;align-items:center;
  padding:10px 18px;
  border:1px solid var(--gold);
  color:var(--gold-bright);
  font-size:13px;
  letter-spacing:.12em;
  transition:background .2s var(--ease-out),color .2s var(--ease-out);
}
.footer-cta:hover,.footer-cta:focus-visible{background:var(--gold);color:var(--ink-green-deep);}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(24px,3vw,40px);
}
.footer-col{display:flex;flex-direction:column;gap:14px;}
.footer-col-title{
  display:flex;align-items:center;gap:9px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--gold);
}
.footer-col-title::before{content:"";width:18px;height:1px;background:var(--gold);}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{
  align-self:flex-start;
  font-size:14.5px;
  color:rgba(245,240,230,.72);
  transition:color .2s var(--ease-out),padding-left .2s var(--ease-out);
}
.footer-links a:hover,.footer-links a:focus-visible{color:var(--gold-bright);padding-left:6px;}

.footer-base{
  max-width:var(--maxw);
  margin:0 auto;
  padding:22px var(--gutter) 36px;
  border-top:1px solid rgba(200,162,90,.2);
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  align-items:baseline;
  font-size:13px;
  color:rgba(245,240,230,.6);
}
.footer-contact{flex:1 1 100%;}
.footer-address{flex:0 1 auto;}
.footer-legal{flex:0 1 auto;letter-spacing:.06em;color:rgba(200,162,90,.78);}

/* ---------- 容器与章节 ---------- */
.container{
  position:relative;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
}
.container--narrow{max-width:820px;}

.section{position:relative;padding:clamp(52px,7vw,96px) 0;}
.section--cream{background:var(--cream);color:var(--ink-black);}
.section--card{background:var(--card);color:var(--ink-black);}
.section--ink{background:var(--ink-green);color:var(--cream);}
.section--cream::before,.section--card::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(var(--slate-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--slate-line) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.5;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.65),rgba(0,0,0,0) 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.65),rgba(0,0,0,0) 72%);
}

/* ---------- 排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--gold);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;}
.section--cream .eyebrow,.section--card .eyebrow{color:var(--cinnabar);}

.display{
  font-size:clamp(2.6rem,6vw,5rem);
  font-weight:300;
  line-height:1.04;
  letter-spacing:-.01em;
}
.headline{
  font-size:clamp(1.6rem,3.4vw,2.4rem);
  font-weight:400;
  line-height:1.2;
  letter-spacing:-.005em;
}
.lede{
  max-width:38em;
  font-size:clamp(1.02rem,1.6vw,1.2rem);
  line-height:1.7;
  color:var(--slate-text);
}
.section--ink .lede{color:rgba(245,240,230,.75);}
.prose{max-width:38em;color:var(--ink-black);}
.prose p{margin-bottom:1.15em;}
.prose p:last-child{margin-bottom:0;}
.prose strong{font-weight:700;color:var(--ink-green);}
.section--ink .prose{color:rgba(245,240,230,.82);}
.section--ink .prose strong{color:var(--gold-bright);}

/* ---------- 按钮 ---------- */
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  font-size:14.5px;
  letter-spacing:.08em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s var(--ease-out),color .2s var(--ease-out),border-color .2s var(--ease-out);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.btn--gold{background:var(--gold);color:var(--ink-green-deep);}
.btn--gold:hover,.btn--gold:focus-visible{background:var(--gold-bright);}
.btn--outline{border-color:var(--gold);color:var(--gold);background:transparent;}
.btn--outline:hover,.btn--outline:focus-visible{background:var(--gold);color:var(--ink-green-deep);}
.btn--ink{background:var(--ink-green);color:var(--cream);}
.btn--ink:hover,.btn--ink:focus-visible{background:var(--ink-green-deep);}
.btn--ghost{border-color:var(--slate-line);color:var(--ink-green);background:transparent;}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--ink-green);}

/* ---------- 面板与卡片 ---------- */
.panel{
  position:relative;
  background:var(--card);
  border:1px solid var(--slate-line);
  padding:clamp(22px,3vw,32px);
}
.panel--cut{clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));}
.panel--ink{background:var(--ink-green);border-color:rgba(200,162,90,.35);color:var(--cream);}
.panel__label{display:block;font-size:12px;letter-spacing:.18em;color:var(--gold);margin-bottom:14px;}
.panel__title{font-size:1.2rem;font-weight:600;line-height:1.35;margin-bottom:10px;}
.panel__text{font-size:15px;line-height:1.75;color:var(--slate-text);}
.panel--ink .panel__text{color:rgba(245,240,230,.74);}

.card{
  display:flex;flex-direction:column;gap:11px;
  background:var(--card);
  border:1px solid var(--slate-line);
  padding:22px;
}
.card--cut{clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px);}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:24px;}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--split{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);}

/* ---------- 分隔 ---------- */
.rule{height:1px;border:0;margin:0;background:var(--slate-line);}
.section--ink .rule{background:rgba(200,162,90,.3);}
.rule--slash{
  height:14px;border:0;margin:0;
  background-image:repeating-linear-gradient(135deg,var(--slate-line) 0 1px,transparent 1px 9px);
}
.section--ink .rule--slash{background-image:repeating-linear-gradient(135deg,rgba(200,162,90,.35) 0 1px,transparent 1px 9px);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--slate-text);
}
.breadcrumb li{display:flex;align-items:center;gap:9px;}
.breadcrumb li + li::before{content:"/";color:var(--gold);}
.breadcrumb a{color:var(--slate-text);border-bottom:1px solid transparent;transition:color .2s var(--ease-out),border-color .2s var(--ease-out);}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--ink-green);border-bottom-color:var(--gold);}
.breadcrumb [aria-current="page"]{color:var(--ink-green);font-weight:600;}

/* ---------- 表格 ---------- */
.data-table{width:100%;background:var(--cream);font-size:15px;border-collapse:collapse;}
.data-table caption{padding-bottom:12px;text-align:left;font-size:12.5px;letter-spacing:.14em;color:var(--slate-text);}
.data-table th,.data-table td{padding:13px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--slate-line);}
.data-table thead th{
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--ink-green);
  background:rgba(220,227,231,.45);
  border-bottom:1px solid var(--gold);
  white-space:nowrap;
}
.data-table tbody tr:hover{background:rgba(200,162,90,.09);}
.data-table td.num{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.1rem;}

/* ---------- 数字锚点 ---------- */
.stat{display:flex;flex-direction:column;gap:5px;}
.stat__num{
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  font-weight:700;
  line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--ink-green);
}
.section--ink .stat__num{color:var(--gold-bright);}
.stat__label{font-size:12px;letter-spacing:.16em;color:var(--slate-text);}
.section--ink .stat__label{color:rgba(245,240,230,.6);}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;
  font-size:12.5px;
  letter-spacing:.1em;
  background:var(--card);
  border:1px solid var(--slate-line);
  color:var(--slate-text);
  cursor:pointer;
  transition:border-color .2s var(--ease-out),color .2s var(--ease-out),background .2s var(--ease-out);
}
.chip:hover{border-color:var(--gold);color:var(--ink-green);}
.chip[aria-pressed="true"]{border-color:var(--cinnabar);color:var(--cinnabar);background:rgba(178,58,46,.06);}
.chip[aria-pressed="true"]::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cinnabar);}

/* ---------- 图像容器 ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--ink-green);
  border:1px solid rgba(200,162,90,.28);
}
.media-frame img{display:block;width:100%;height:100%;object-fit:cover;}
.media-frame--cut{clip-path:polygon(24px 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%,0 24px);}
.media-frame--ratio{aspect-ratio:16/10;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame--tall{aspect-ratio:4/5;}
.media-placeholder{
  display:flex;align-items:center;justify-content:center;
  width:100%;height:100%;
  min-height:180px;
  background:linear-gradient(135deg,var(--ink-green) 0%,var(--ink-green-deep) 100%);
  color:rgba(200,162,90,.6);
  font-size:12px;
  letter-spacing:.2em;
}
.media-caption{margin-top:10px;font-size:12px;letter-spacing:.08em;color:var(--slate-text);}
.media-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}

/* ---------- 时间轴 ---------- */
.timeline{display:flex;overflow-x:auto;padding:10px 0 6px;}
.timeline__item{position:relative;flex:1 0 180px;padding:26px 22px 0 0;}
.timeline__item::before{content:"";position:absolute;left:0;top:12px;width:100%;height:1px;background:var(--gold);}
.timeline__dot{position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;background:var(--slate);}
.timeline__item[data-state="current"] .timeline__dot{background:var(--cinnabar);box-shadow:0 0 0 4px rgba(178,58,46,.18);}
.timeline__label{display:block;font-size:12px;letter-spacing:.16em;color:var(--slate-text);}
.timeline__value{display:block;font-size:1.15rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink-green);}

/* ---------- 侧边品牌轨道 ---------- */
.rail-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
.rail{position:sticky;top:104px;align-self:start;}
.rail__title{font-size:12px;letter-spacing:.18em;color:var(--slate-text);margin-bottom:16px;}
.rail__list{display:flex;flex-direction:column;gap:2px;}
.rail__link{
  display:flex;align-items:center;gap:10px;
  padding:9px 0;
  font-size:13.5px;
  color:rgba(74,90,102,.75);
  transition:color var(--dur-indicator) var(--ease-out);
}
.rail__link::before{
  content:"";
  width:7px;height:1px;
  background:currentColor;
  transition:width var(--dur-indicator) var(--ease-out),background var(--dur-indicator) var(--ease-out);
}
.rail__link:hover,.rail__link:focus-visible{color:var(--ink-green);}
.rail__link.is-active{color:var(--gold);}
.rail__link.is-active::before{width:20px;background:var(--gold-bright);}

/* ---------- 动效 ---------- */
html.js-reveal [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity var(--dur-enter) var(--ease-out),transform var(--dur-enter) var(--ease-out);
}
html.js-reveal [data-reveal].is-visible{opacity:1;transform:none;}

[data-accordion-panel]:not([hidden]){animation:panel-in .28s var(--ease-out) both;}
@keyframes panel-in{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}

/* ---------- 响应式 ---------- */
@media (min-width:1080px){
  .rail-layout{grid-template-columns:240px minmax(0,1fr);gap:56px;}
}

@media (max-width:960px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;
    left:0;right:0;top:100%;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    padding:6px var(--gutter) 22px;
    background:var(--ink-green-deep);
    border-bottom:1px solid rgba(200,162,90,.35);
    transition:max-height var(--dur-indicator) var(--ease-out),visibility var(--dur-indicator);
  }
  .site-nav[data-open]{max-height:520px;visibility:visible;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    display:block;
    padding:14px 0;
    font-size:15.5px;
    border-bottom:1px solid rgba(200,162,90,.16);
  }
  .nav-link:hover,.nav-link:focus-visible{color:var(--gold-bright);border-bottom-color:rgba(200,162,90,.16);}
  .nav-link[aria-current="page"]{color:var(--gold-bright);border-bottom-color:rgba(200,162,90,.16);}
  .nav-link[aria-current="page"]::before{
    content:"";
    display:inline-block;
    width:6px;height:6px;
    margin-right:9px;
    vertical-align:middle;
    background:var(--cinnabar);
  }
  .nav-utility{margin-top:20px;align-self:flex-start;}
}

@media (max-width:900px){
  .footer-inner{grid-template-columns:minmax(0,1fr);}
  .footer-brand{max-width:none;}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--2,.grid--3,.grid--split{grid-template-columns:minmax(0,1fr);}
  .rail{position:static;}
}

@media (max-width:720px){
  .data-table--stack thead{display:none;}
  .data-table--stack tr{
    display:block;
    margin-bottom:12px;
    background:var(--card);
    border:1px solid var(--slate-line);
  }
  .data-table--stack td{
    display:flex;
    justify-content:space-between;
    gap:16px;
    border:0;
    border-bottom:1px dashed var(--slate-line);
  }
  .data-table--stack td:last-child{border-bottom:0;}
  .data-table--stack td::before{
    content:attr(data-label);
    font-size:12px;
    letter-spacing:.12em;
    color:var(--slate-text);
  }
}

@media (max-width:640px){
  :root{--gutter:20px;}
  .footer-nav{grid-template-columns:minmax(0,1fr);}
  .footer-base{flex-direction:column;gap:8px;}
  .brand-sub{display:none;}
}

@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.js-reveal [data-reveal]{opacity:1 !important;transform:none !important;}
  body::after{transition:none;}
}