/* =========================================================
   新花园国际站 · 共享样式表 /assets/site.css
   体系：深苔绿骨架 + 米纸白纸面 + 雾金刻度 + 陶土橙高声部
   ========================================================= */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ---------- 2. 变量 ---------- */
:root{
  --deep:#123A2E;
  --green:#1F5B45;
  --vein:#2F7A5C;
  --gold:#C9A96A;
  --gold-ink:#8A6F34;
  --clay:#C4643C;
  --clay-deep:#9E4423;
  --rain:#7C8FA3;
  --paper:#F4F1E9;
  --moss:#E2E7DE;
  --ink:#0B1F19;

  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono","Cascadia Mono",Consolas,"Courier New",monospace;

  --wrap:1180px;
  --gutter:clamp(18px,4vw,44px);
  --radius-s:8px;
  --radius-m:14px;
  --radius-organic:16px 46px 16px 46px;
  --nav-pad-x:clamp(6px,.9vw,12px);
  --shadow-card:0 1px 0 rgba(11,31,25,.06),0 14px 32px -24px rgba(11,31,25,.5);
  --shadow-card-hi:0 1px 0 rgba(11,31,25,.06),0 24px 46px -26px rgba(11,31,25,.58);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:var(--serif);
  font-weight:700;
  line-height:1.24;
  letter-spacing:-.008em;
  color:var(--ink);
}
h1{font-weight:900}
p{text-wrap:pretty}
#main-content{display:block;scroll-margin-top:150px}

/* ---------- 4. 焦点与可达性 ---------- */
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:2px}
.site-head :focus-visible,.site-foot :focus-visible{outline-color:var(--gold)}
.skip-link{
  position:fixed;top:0;left:clamp(10px,3vw,26px);z-index:200;
  transform:translateY(-140%);
  background:var(--paper);color:var(--deep);
  padding:11px 20px;font-size:14px;letter-spacing:.08em;
  border-radius:0 0 var(--radius-s) var(--radius-s);
  box-shadow:0 12px 30px -14px rgba(11,31,25,.6);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. 布局骨架 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.wrap--narrow{max-width:820px}

.section{padding:clamp(52px,7vw,96px) 0;position:relative}
.section--paper{background:var(--paper)}
.section--moss{background:var(--moss)}
.section--deep{background:var(--deep);color:rgba(244,241,233,.86)}
.section--deep h2,.section--deep h3,.section--deep h4{color:var(--paper)}
.section--deep .section-head__note,.section--deep .muted{color:rgba(244,241,233,.6)}
.section--deep .section-head__num{color:var(--gold)}
.divider{height:1px;border:0;background:rgba(18,58,46,.16);margin:clamp(28px,4vw,52px) 0}
.section--deep .divider{background:rgba(244,241,233,.16)}

.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (min-width:900px){
  .grid--stagger > :nth-child(even){margin-top:34px}
  .grid--stagger > :nth-child(4n+3){margin-top:14px}
}

/* ---------- 6. 文字工具 ---------- */
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--clay-deep);
}
.lead{font-size:clamp(1.05rem,1.7vw,1.3rem);line-height:1.8;color:rgba(11,31,25,.82)}
.section--deep .lead{color:rgba(244,241,233,.82)}
.muted{color:var(--rain)}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:.1em;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.btn--clay{background:var(--clay);color:#fff}
.btn--clay:hover,.btn--clay:focus-visible{background:var(--clay-deep)}
.btn--ghost{border-color:rgba(47,122,92,.55);color:var(--vein)}
.btn--ghost:hover,.btn--ghost:focus-visible{background:var(--vein);color:var(--paper);border-color:var(--vein)}
.section--deep .btn--ghost{border-color:rgba(201,169,106,.6);color:var(--gold)}
.section--deep .btn--ghost:hover,.section--deep .btn--ghost:focus-visible{background:var(--gold);color:var(--deep);border-color:var(--gold)}
.btn--compact{padding:10px 18px;font-size:13px}

/* ---------- 8. 章节题头 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;
  gap:12px 22px;margin-bottom:clamp(26px,3.6vw,44px);
}
.section-head__num{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  color:var(--clay-deep);flex:0 0 auto;
}
.section-head__title{font-size:clamp(1.5rem,2.6vw,2.2rem);flex:0 1 auto}
.section-head__note{
  font-size:13.5px;color:var(--rain);letter-spacing:.04em;
  flex:1 1 240px;min-width:180px;line-height:1.7;
}

/* ---------- 9. 档案卡 ---------- */
.card{
  position:relative;
  background:var(--paper);
  border:1px solid rgba(18,58,46,.14);
  border-radius:var(--radius-organic);
  padding:clamp(20px,2.4vw,30px);
  box-shadow:var(--shadow-card);
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.card:hover,.card:focus-within{
  border-color:var(--clay);
  transform:translateY(-3px);
  box-shadow:var(--shadow-card-hi);
}
.card__num{
  display:block;font-family:var(--mono);font-size:12px;
  letter-spacing:.2em;color:var(--gold-ink);margin-bottom:12px;
}
.card__title{font-size:clamp(1.05rem,1.5vw,1.25rem);margin-bottom:10px}
.card__text{font-size:15px;line-height:1.85;color:rgba(11,31,25,.74)}
.card__foot{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.section--deep .card{
  background:rgba(244,241,233,.06);
  border-color:rgba(201,169,106,.3);
  box-shadow:none;color:rgba(244,241,233,.86);
}
.section--deep .card:hover,.section--deep .card:focus-within{border-color:var(--gold)}
.section--deep .card__title{color:var(--paper)}
.section--deep .card__num{color:var(--gold)}
.section--moss .card{background:var(--paper)}

/* ---------- 10. 标签 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.12em;line-height:1.6;
  border:1px solid transparent;background:transparent;
}
.tag--leaf{color:var(--vein);border-color:rgba(47,122,92,.4);background:rgba(47,122,92,.08)}
.tag--gold{color:var(--gold-ink);border-color:rgba(201,169,106,.55);background:rgba(201,169,106,.16)}
.tag--clay{color:var(--clay-deep);border-color:rgba(196,100,60,.45);background:rgba(196,100,60,.12)}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb{padding-top:clamp(18px,2.4vw,28px)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.1em;color:var(--rain);
}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:rgba(124,143,163,.6)}
.breadcrumb__link{color:var(--rain);transition:color .18s var(--ease)}
.breadcrumb__link:hover,.breadcrumb__link:focus-visible{color:var(--clay-deep)}
.breadcrumb__current{color:var(--ink)}

/* ---------- 12. 长文 ---------- */
.prose{max-width:72ch}
.prose > * + *{margin-top:1.05em}
.prose h2{font-size:clamp(1.4rem,2.2vw,1.9rem);margin-top:2.1em}
.prose h3{font-size:clamp(1.1rem,1.6vw,1.3rem);margin-top:1.7em}
.prose ul,.prose ol{display:grid;gap:10px}
.prose ul li{position:relative;padding-left:24px}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:10px;height:1px;background:var(--clay);
}
.prose a{
  color:var(--clay-deep);text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
}
.prose a:hover{color:var(--clay)}
.prose strong{font-weight:700}
.prose blockquote{
  border-left:2px solid var(--gold);padding-left:20px;
  color:rgba(11,31,25,.72);font-family:var(--serif);
}

/* ---------- 13. 图片容器（页面阶段放占位图） ---------- */
.figure{margin:0;display:block}
.figure__media{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:4/3;border-radius:var(--radius-organic);
  background-color:var(--moss);
  background-image:
    repeating-linear-gradient(112deg,rgba(47,122,92,.16) 0 1px,transparent 1px 16px),
    repeating-linear-gradient(62deg,rgba(201,169,106,.2) 0 1px,transparent 1px 24px),
    radial-gradient(120% 90% at 18% 12%,rgba(47,122,92,.32),transparent 62%),
    radial-gradient(90% 80% at 92% 88%,rgba(196,100,60,.22),transparent 58%);
}
.figure__media > img{width:100%;height:100%;object-fit:cover}
.figure__caption{
  margin-top:12px;font-size:12.5px;letter-spacing:.05em;
  line-height:1.7;color:var(--rain);
}
.figure--wide .figure__media{aspect-ratio:16/9}
.figure--tall .figure__media{aspect-ratio:3/4}
.figure--macro .figure__media{border-radius:52% 48% 46% 54% / 50% 52% 48% 50%}
.figure--frame .figure__media::after{
  content:"";position:absolute;inset:10px;pointer-events:none;
  border:1px solid rgba(244,241,233,.72);border-radius:inherit;
}
.section--deep .figure__media{background-color:rgba(244,241,233,.08)}

/* ---------- 14. 数据陈列 ---------- */
.stat{display:flex;flex-direction:column;gap:8px}
.stat__value{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(1.9rem,4vw,3rem);line-height:1;color:var(--green);
}
.stat__label{font-size:12.5px;letter-spacing:.16em;color:var(--rain)}
.section--deep .stat__value{color:var(--gold)}
.section--deep .stat__label{color:rgba(244,241,233,.6)}

/* =========================================================
   15. 刊头 + 导航
   ========================================================= */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--deep);
  color:var(--paper);
  border-bottom:1px solid rgba(201,169,106,.28);
  isolation:isolate;
}
.site-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    repeating-linear-gradient(112deg,rgba(201,169,106,.1) 0 1px,transparent 1px 14px),
    repeating-linear-gradient(66deg,rgba(124,143,163,.1) 0 1px,transparent 1px 22px);
  opacity:.8;
}
.site-head > :not(.head-progress){position:relative;z-index:1}
.site-head > .head-progress{
  position:absolute;z-index:3;left:0;bottom:0;width:100%;height:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .16s linear;
}

/* 刊头 */
.masthead{padding:clamp(14px,2.2vw,24px) var(--gutter) 0}
.masthead__inner{
  max-width:var(--wrap);margin:0 auto;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:clamp(10px,2vw,28px);
}
.masthead__brand{display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center}
.masthead__name{
  font-family:var(--serif);font-weight:900;line-height:1;
  font-size:clamp(1.5rem,3.4vw,2.6rem);
  letter-spacing:.22em;text-indent:.22em;
  color:var(--paper);
  transition:font-size .22s var(--ease),color .2s var(--ease);
}
.masthead__brand:hover .masthead__name,.masthead__brand:focus-visible .masthead__name{color:var(--gold)}
.masthead__line{
  font-size:clamp(10.5px,.9vw,12px);
  letter-spacing:.28em;text-indent:.28em;
  color:var(--gold);white-space:nowrap;
}
.masthead__aside{
  display:flex;align-items:center;gap:16px;
  font-size:12.5px;letter-spacing:.08em;line-height:1.6;
  color:rgba(244,241,233,.68);
}
.masthead__aside--end{justify-content:flex-end}
.masthead__note{white-space:nowrap}
.masthead__tool,.masthead__lang{position:relative;padding-bottom:2px}
.masthead__tool::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .18s var(--ease);
}
.masthead__tool:hover,.masthead__tool:focus-visible{color:var(--paper)}
.masthead__tool:hover::after,.masthead__tool:focus-visible::after{transform:scaleX(1)}
.masthead__ticks{
  max-width:var(--wrap);margin:clamp(10px,1.6vw,16px) auto 0;height:7px;
  background-image:repeating-linear-gradient(90deg,rgba(201,169,106,.55) 0 1px,transparent 1px 12px);
  opacity:.55;
  transition:opacity .2s var(--ease);
}

/* 导航条 */
.nav-bar{
  margin-top:clamp(8px,1.4vw,14px);
  border-top:1px solid rgba(244,241,233,.12);
  transition:margin-top .24s var(--ease);
}
.nav-bar__inner{
  position:relative;max-width:var(--wrap);margin:0 auto;
  padding:0 var(--gutter);min-height:56px;
  display:flex;align-items:center;justify-content:center;
  gap:clamp(10px,2vw,26px);
  transition:min-height .24s var(--ease);
}
.nav-index{flex:1 1 auto;display:flex;justify-content:center}
.nav-index__list{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:clamp(2px,1.2vw,8px)}
.nav-index__item{position:relative}
.nav-index__link{
  position:relative;display:inline-block;
  padding:14px var(--nav-pad-x);
  font-size:clamp(13px,.95vw,14.5px);letter-spacing:.14em;
  color:rgba(244,241,233,.78);
  transition:color .18s var(--ease);
}
.nav-index__link::after{
  content:"";position:absolute;left:var(--nav-pad-x);right:var(--nav-pad-x);bottom:10px;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .18s var(--ease);
}
.nav-index__link:hover,.nav-index__link:focus-visible{color:var(--paper)}
.nav-index__link:hover::after,.nav-index__link:focus-visible::after{transform:scaleX(1)}
.nav-index__link[aria-current="page"]{color:var(--gold)}
.nav-index__link[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}

/* 移动开合按钮 */
.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:11px 16px;border-radius:999px;
  border:1px solid rgba(201,169,106,.42);
  color:var(--paper);font-size:13px;letter-spacing:.12em;line-height:1;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--gold);background:rgba(201,169,106,.1)}
.nav-toggle__label{white-space:nowrap}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;width:16px}
.nav-toggle__bars i{display:block;height:1.5px;background:var(--gold);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

/* 收缩态 */
.site-head[data-condensed] .masthead{padding-top:8px}
.site-head[data-condensed] .masthead__note,
.site-head[data-condensed] .masthead__line,
.site-head[data-condensed] .masthead__ticks{opacity:0;visibility:hidden}
.site-head[data-condensed] .masthead__name{font-size:clamp(1.05rem,1.9vw,1.45rem)}
.site-head[data-condensed] .nav-bar__inner{min-height:48px}
.site-head[data-condensed] .nav-index__link{padding-top:10px;padding-bottom:10px}
.site-head[data-condensed] .nav-index__link::after{bottom:6px}

/* =========================================================
   16. 页脚
   ========================================================= */
.site-foot{
  position:relative;overflow:hidden;
  background:var(--deep);color:rgba(244,241,233,.8);
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid rgba(201,169,106,.3);
}
.site-foot::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(112deg,rgba(201,169,106,.09) 0 1px,transparent 1px 16px),
    repeating-linear-gradient(64deg,rgba(124,143,163,.09) 0 1px,transparent 1px 26px);
  opacity:.9;
}
.foot-inner{
  position:relative;z-index:1;
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(38px,5vw,62px) var(--gutter) clamp(26px,3vw,40px);
  display:grid;grid-template-columns:minmax(200px,1fr) 2.6fr;
  gap:clamp(26px,4vw,56px);
}
.foot-brand__name{
  display:inline-block;
  font-family:var(--serif);font-weight:900;font-size:1.3rem;
  letter-spacing:.18em;color:var(--paper);
  transition:color .18s var(--ease);
}
.foot-brand__name:hover,.foot-brand__name:focus-visible{color:var(--gold)}
.foot-brand__line{
  margin-top:12px;color:var(--gold);
  font-size:12.5px;letter-spacing:.24em;
}
.foot-brand__meta{
  margin-top:14px;color:var(--rain);
  font-size:12.5px;letter-spacing:.1em;
}
.foot-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.foot-group__title{
  font-size:12px;font-weight:500;letter-spacing:.24em;
  color:var(--gold);margin-bottom:14px;
  font-family:var(--sans);
}
.foot-group__list{display:grid;gap:10px}
.foot-group__link{
  position:relative;display:inline-block;
  font-size:14px;line-height:1.7;color:rgba(244,241,233,.74);
  transition:color .18s var(--ease);
}
.foot-group__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .18s var(--ease);
}
.foot-group__link:hover,.foot-group__link:focus-visible{color:var(--paper)}
.foot-group__link:hover::after,.foot-group__link:focus-visible::after{transform:scaleX(1)}
.foot-base{
  position:relative;z-index:1;
  border-top:1px solid rgba(244,241,233,.14);
  background:rgba(11,31,25,.38);
}
.foot-base__inner{
  max-width:var(--wrap);margin:0 auto;
  padding:18px var(--gutter) 24px;
  display:flex;flex-wrap:wrap;align-items:baseline;
  justify-content:space-between;gap:10px 26px;
}
.foot-contact{
  flex:1 1 380px;
  font-size:12.5px;line-height:1.9;letter-spacing:.04em;
  color:rgba(244,241,233,.66);
}
.foot-legal{
  font-size:12.5px;letter-spacing:.08em;
  color:var(--rain);
}

/* =========================================================
   17. 返回顶部
   ========================================================= */
.to-top{
  position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--deep);color:var(--paper);
  border:1px solid var(--gold);font-size:17px;line-height:1;
  box-shadow:0 16px 34px -18px rgba(11,31,25,.85);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),
             background-color .18s var(--ease),color .18s var(--ease),visibility .2s;
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover,.to-top:focus-visible{background:var(--clay);border-color:var(--clay);color:#fff}

/* =========================================================
   18. 断点
   ========================================================= */
@media (max-width:960px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:860px){
  /* 刊头转为纵向层级 */
  .masthead__inner{grid-template-columns:1fr;justify-items:center;gap:10px;text-align:center}
  .masthead__brand{order:1}
  .masthead__aside--start{order:2;justify-content:center}
  .masthead__aside--end{order:3;justify-content:center}
  .masthead__note{white-space:normal}

  /* 导航条：按钮 + 主行动 + 可展开的编号索引 */
  .nav-bar__inner{
    flex-wrap:wrap;justify-content:space-between;
    padding-top:6px;padding-bottom:6px;gap:10px;
  }
  .nav-toggle{display:inline-flex;order:1}
  .nav-cta{order:2}
  .nav-index{
    order:3;display:block;
    position:absolute;left:0;right:0;top:100%;
    background:var(--deep);
    border-top:1px solid rgba(201,169,106,.3);
    box-shadow:0 26px 44px -26px rgba(0,0,0,.7);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .26s var(--ease),opacity .2s var(--ease),visibility .2s;
  }
  .nav-index[data-open]{
    max-height:min(74vh,540px);overflow-y:auto;
    opacity:1;visibility:visible;
  }
  .nav-index__list{
    counter-reset:navnum;
    flex-direction:column;flex-wrap:nowrap;align-items:stretch;
    gap:0;padding:8px var(--gutter) 16px;
  }
  .nav-index__item{counter-increment:navnum;border-bottom:1px solid rgba(244,241,233,.1)}
  .nav-index__item:last-child{border-bottom:0}
  .nav-index__link{
    display:flex;align-items:baseline;gap:14px;
    padding:15px 2px;font-size:15px;
    color:rgba(244,241,233,.86);
  }
  .nav-index__link::before{
    content:"0" counter(navnum);
    font-family:var(--mono);font-size:11px;letter-spacing:.12em;
    color:var(--rain);flex:0 0 auto;
  }
  .nav-index__link::after{display:none}
  .nav-index__link[aria-current="page"]{color:var(--gold)}
  .nav-index__link[aria-current="page"]::before{color:var(--gold)}

  .masthead__ticks{opacity:.4}
  .foot-inner{grid-template-columns:1fr;gap:30px}
}

@media (max-width:640px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .grid--stagger > :nth-child(even){margin-top:0}
  .card{border-radius:var(--radius-m) 30px var(--radius-m) 30px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-base__inner{flex-direction:column;align-items:flex-start}
  .figure__media{border-radius:var(--radius-m) 30px var(--radius-m) 30px}
  .btn{padding:12px 20px}
}

/* ---------- 19. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}