/* ============================================================
   绿茵看台 /assets/site.css
   reset · 变量 · 中文排版 · 框架式页头 · 看台页脚 · 基础组件
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --pitch-deep:#0B3B2E;
  --pitch-mid:#14624A;
  --flood:#FFC93C;
  --neon:#7CFF9B;
  --red:#E0453A;
  --cold:#F4F7F5;
  --mist:#DCE9E0;
  --ink:#101C17;
  --slate:#6E8478;
  --stand:#0E2233;

  --line-light:rgba(16,28,23,.14);
  --line-dark:rgba(124,255,155,.26);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:"Archivo Narrow","Roboto Condensed","Helvetica Neue Condensed","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  --font-num:ui-monospace,"SFMono-Regular","Cascadia Mono",Consolas,"Liberation Mono",Menlo,monospace;

  --header-h:92px;
  --header-h-small:56px;
  --cut:14px;
  --dur:180ms;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:inherit;}
table{border-collapse:collapse;}

@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth;}
}

/* ---------- 3. 中文排版基线 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--cold);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;line-height:1.18;}
h1{font-size:clamp(30px,4.4vw,54px);}
h2{font-size:clamp(24px,3.1vw,38px);}
h3{font-size:clamp(19px,2.1vw,24px);}
h4{font-size:18px;}
p{margin-bottom:1em;}
p:last-child{margin-bottom:0;}
strong{font-weight:700;}
::selection{background:var(--flood);color:#1b1503;}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:0;}
.hl{font-weight:700;background:linear-gradient(transparent 58%,rgba(124,255,155,.62) 58%);}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--pitch-mid);
}
.lede{font-size:18px;line-height:1.8;color:#31473c;max-width:74ch;}
.section-title{margin-top:8px;}

/* ---------- 4. 焦点与可访问 ---------- */
:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(11,59,46,.45);
}
.site-header :focus-visible,
.site-footer :focus-visible,
.section--dark :focus-visible,
.page-head :focus-visible{
  box-shadow:0 0 0 4px rgba(244,247,245,.30);
}
.btn:focus-visible,
.chip:focus-visible,
.nav-toggle:focus-visible,
.skip-link:focus-visible{
  outline-offset:-3px;
  box-shadow:none;
}
#main-content{display:block;scroll-margin-top:calc(var(--header-h) + 16px);}

.skip-link{
  position:absolute;
  left:16px;
  top:-72px;
  z-index:200;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 18px;
  background:var(--flood);
  color:#1b1503;
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:.04em;
  text-decoration:none;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px;}

/* ---------- 5. 页头：框架式导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  isolation:isolate;
  color:var(--cold);
  background:linear-gradient(180deg,#0c4133 0%,var(--pitch-deep) 62%,#092e24 100%);
  border-bottom:1px solid var(--line-dark);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:linear-gradient(90deg,transparent 0%,var(--flood) 20%,var(--neon) 50%,var(--flood) 80%,transparent 100%);
  opacity:.9;
  pointer-events:none;
}
.site-header::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(120% 200% at 14% -50%,rgba(124,255,155,.16),transparent 62%),
    radial-gradient(90% 160% at 92% -40%,rgba(255,201,60,.14),transparent 64%);
}
.header-frame{
  position:relative;
  width:100%;
  max-width:1480px;
  margin:0 auto;
  min-height:var(--header-h);
  padding:0 clamp(16px,3vw,40px);
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(10px,2vw,32px);
  transition:min-height var(--dur) var(--ease);
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  padding-right:clamp(12px,2vw,28px);
  border-right:1px solid var(--line-dark);
}
.brand__link{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:44px;
  text-decoration:none;
}
.brand__mark{
  position:relative;
  flex:0 0 auto;
  width:34px;
  height:34px;
  background:linear-gradient(145deg,var(--neon) 0%,var(--pitch-mid) 54%,var(--stand) 100%);
  clip-path:polygon(0 0,100% 0,100% 64%,64% 100%,0 100%);
  transition:width var(--dur) var(--ease),height var(--dur) var(--ease);
}
.brand__mark::after{
  content:"";
  position:absolute;
  left:7px;
  right:7px;
  top:50%;
  height:3px;
  transform:translateY(-50%) rotate(-24deg);
  background:var(--flood);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{
  font-family:var(--font-display);
  font-size:clamp(19px,1.8vw,24px);
  font-weight:800;
  letter-spacing:.01em;
  color:#fff;
}
.brand__tag{font-size:12px;letter-spacing:.08em;color:#9dc4b2;}

/* 主导航 */
.site-nav{min-width:0;}
.site-nav__list{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(2px,1vw,8px);
}
.site-nav__link{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
  color:#c6ddd0;
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:5px;
  height:3px;
  background:var(--flood);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.site-nav__link:hover{color:#fff;}
.site-nav__link:hover::after{transform:scaleX(1);}
.site-nav__link[aria-current="page"]{color:#fff;}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1);}
.site-nav__link[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:4px;
  height:16px;
  transform:translateY(-50%) skewX(-14deg);
  background:var(--neon);
}
.site-nav__cta{display:none;gap:12px;margin-top:16px;}

/* 右侧动作区与移动按钮 */
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  padding-left:clamp(12px,2vw,28px);
  border-left:1px solid var(--line-dark);
}
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 12px;
  background:transparent;
  border:1px solid var(--line-dark);
  color:var(--cold);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  cursor:pointer;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
}
.nav-toggle__box{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:18px;}
.nav-toggle__bar{
  display:block;
  height:2px;
  width:100%;
  background:var(--flood);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header[data-open] .nav-toggle__bar:nth-child(2){opacity:0;}
.site-header[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 阅读进度轨 */
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:rgba(124,255,155,.12);
  overflow:hidden;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--neon),var(--flood));
  transition:width 140ms linear;
}

/* 收窄状态 */
.site-header.is-condensed .header-frame{min-height:var(--header-h-small);}
.site-header.is-condensed .brand__tag{display:none;}
.site-header.is-condensed .brand__mark{width:26px;height:26px;}
.site-header.is-condensed .site-nav__link{font-size:15px;}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.04em;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn--primary{background:var(--flood);color:#241c02;border-color:var(--flood);}
.btn--primary:hover{background:var(--neon);border-color:var(--neon);transform:translateY(-2px);}
.btn--ghost{background:transparent;color:var(--cold);border-color:var(--line-dark);}
.btn--ghost:hover{border-color:var(--neon);color:#fff;transform:translateY(-2px);}
.btn--quiet{background:#fff;color:var(--pitch-deep);border-color:rgba(20,98,74,.28);}
.btn--quiet:hover{border-color:var(--neon);transform:translateY(-2px);}

/* ---------- 7. 容器 / 章节 / 网格 ---------- */
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,40px);
  padding-right:clamp(16px,4vw,40px);
}
.container--wide{max-width:1480px;}

.section{padding:clamp(48px,7vw,96px) 0;}
.section--dark{
  background:linear-gradient(160deg,var(--pitch-deep) 0%,#0a2f25 100%);
  color:#d9ece3;
}
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#fff;}
.section--dark .lede{color:#bcdccd;}
.section--dark .eyebrow{color:var(--neon);}
.section--mist{background:var(--mist);}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:clamp(20px,3vw,36px);
}
.rule-diagonal{
  height:2px;
  border:0;
  margin:clamp(24px,4vw,48px) 0;
  background:repeating-linear-gradient(112deg,var(--pitch-mid) 0 14px,transparent 14px 30px);
  opacity:.45;
}

.grid{display:grid;gap:clamp(16px,2.4vw,28px);}
.grid--split{grid-template-columns:minmax(220px,1fr) minmax(0,2fr);}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));}

/* ---------- 8. 内页标题区与面包屑 ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  padding:clamp(26px,4.6vw,54px) 0 clamp(22px,3.6vw,42px);
  background:linear-gradient(118deg,var(--pitch-deep) 0%,var(--pitch-mid) 76%,#0a3227 100%);
  color:var(--cold);
  border-bottom:1px solid var(--line-dark);
}
.page-head::after{
  content:"";
  position:absolute;
  inset:auto -10% -70% 42%;
  height:190%;
  background:repeating-linear-gradient(112deg,rgba(124,255,155,.10) 0 2px,transparent 2px 24px);
  pointer-events:none;
}
.page-head__inner{position:relative;z-index:1;}
.page-head__title{color:#fff;}
.page-head__desc{margin-top:12px;max-width:74ch;color:#c9e2d6;}

.breadcrumb{margin-bottom:14px;}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;}
.breadcrumb__item{display:flex;align-items:center;gap:8px;color:#9dc4b2;}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:rgba(124,255,155,.6);}
.breadcrumb__link{
  color:#e2f2e9;
  text-decoration:none;
  border-bottom:1px solid rgba(124,255,155,.42);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.breadcrumb__link:hover{color:var(--flood);border-color:var(--flood);}

/* ---------- 9. 切角面板 ---------- */
.panel{
  position:relative;
  background:#fff;
  border:1px solid var(--line-light);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel--dark{
  background:linear-gradient(160deg,#0d3f31,var(--stand));
  border-color:var(--line-dark);
  color:#d9ece3;
}
.panel--mist{background:var(--mist);border-color:rgba(20,98,74,.22);}
.panel__head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:14px 20px;
  background:var(--pitch-mid);
  color:#fff;
}
.panel--dark .panel__head{background:rgba(255,255,255,.07);}
.panel__title{font-family:var(--font-display);font-size:16px;font-weight:800;letter-spacing:.06em;}
.panel__body{padding:clamp(16px,2.4vw,26px);}
.panel__foot{
  padding:14px 20px;
  border-top:1px dashed var(--line-light);
  font-size:14px;
  color:var(--slate);
}

/* ---------- 10. 时间轴 ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";
  position:absolute;
  left:5px;
  top:8px;
  bottom:8px;
  border-left:2px dashed rgba(20,98,74,.45);
}
.timeline__item{position:relative;padding:12px 0 12px 4px;}
.timeline__item + .timeline__item{border-top:1px dashed rgba(16,28,23,.10);}
.timeline__node{
  position:absolute;
  left:-26px;
  top:22px;
  width:12px;
  height:12px;
  background:var(--pitch-mid);
  transform:rotate(45deg);
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.timeline__item:hover .timeline__node{background:var(--neon);transform:rotate(45deg) scale(1.25);}
.timeline__item:focus-within .timeline__node{background:var(--flood);transform:rotate(45deg) scale(1.35);}
.timeline__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--slate);
}
.timeline__time{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  font-weight:700;
  letter-spacing:0;
  color:var(--pitch-mid);
}
.timeline__title{font-family:var(--font-display);font-size:17px;font-weight:700;margin-top:4px;}
.timeline__body{margin-top:6px;font-size:15px;color:#3c5147;}

/* ---------- 11. 数据卡 / 标签 / 折叠 ---------- */
.stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:14px 16px;
  background:var(--mist);
  border-left:3px solid var(--pitch-mid);
}
.stat--accent{background:#fff;border-left-color:var(--flood);}
.stat__label{font-size:13px;letter-spacing:.08em;color:var(--slate);}
.stat__value{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.1;
  color:var(--pitch-deep);
}
.stat__value--accent{
  display:inline-block;
  background:var(--flood);
  color:#241c02;
  padding:0 8px;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:0 10px;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  background:rgba(20,98,74,.12);
  color:var(--pitch-mid);
}
.tag--flood{background:rgba(255,201,60,.30);color:#6f5200;}
.tag--red{background:rgba(224,69,58,.14);color:#9c2a21;}

.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--pitch-mid);
  background:#fff;
  border:1px solid rgba(20,98,74,.28);
  cursor:pointer;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.chip:hover{border-color:var(--neon);color:var(--pitch-deep);}
.chip[aria-pressed="true"],.chip--active{background:var(--pitch-mid);border-color:var(--pitch-mid);color:#fff;}

.detail-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 4px;
  background:none;
  border:0;
  color:var(--pitch-mid);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
}
.detail-toggle::after{
  content:"";
  width:8px;
  height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg);
  transition:transform var(--dur) var(--ease);
}
.detail-toggle[aria-expanded="true"]::after{transform:rotate(-135deg);}
.detail-panel{padding-top:10px;}
.detail-panel[hidden]{display:none;}

/* ---------- 12. 表格 ---------- */
.data-table{width:100%;font-size:15px;}
.data-table caption{
  text-align:left;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--slate);
  padding-bottom:8px;
}
.data-table th{
  text-align:left;
  padding:10px 12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--slate);
  white-space:nowrap;
  border-bottom:2px solid rgba(20,98,74,.35);
}
.data-table td{padding:12px;border-bottom:1px dashed rgba(16,28,23,.12);}
.data-table tbody tr:nth-child(odd){background:rgba(220,233,224,.55);}
.data-table .num{text-align:right;}
.data-table .is-strong{font-weight:700;}
.data-table .is-score{color:var(--red);font-weight:700;}

/* ---------- 13. 图片容器 ---------- */
.fig{display:block;}
.fig__media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(155deg,var(--pitch-mid),var(--stand) 74%);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
}
.fig__media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;
}
.fig__img{width:100%;height:100%;object-fit:cover;aspect-ratio:16 / 9;}
.fig--wide .fig__img{aspect-ratio:21 / 9;}
.fig--tall .fig__img{aspect-ratio:4 / 5;}
.fig--square .fig__img{aspect-ratio:1 / 1;}
.fig__cap{margin-top:8px;font-size:13px;letter-spacing:.04em;color:var(--slate);}

/* ---------- 14. 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--stand);
  color:#c3d6de;
  border-top:3px solid transparent;
  border-image:linear-gradient(90deg,var(--flood),var(--neon) 44%,var(--pitch-mid) 72%,var(--flood)) 1;
}
.ticker{
  overflow:hidden;
  background:rgba(11,59,46,.6);
  border-bottom:1px solid rgba(124,255,155,.18);
}
.ticker__track{display:flex;width:max-content;animation:ticker-scroll 38s linear infinite;}
.ticker__group{
  display:flex;
  align-items:center;
  gap:clamp(20px,3vw,44px);
  padding:10px clamp(20px,3vw,44px) 10px 0;
}
.ticker__item{
  font-family:var(--font-display);
  font-size:14px;
  letter-spacing:.08em;
  color:#a9d6c0;
  white-space:nowrap;
}
.ticker__sep{flex:0 0 auto;width:6px;height:6px;background:var(--flood);transform:rotate(45deg);}
@keyframes ticker-scroll{
  from{transform:translate3d(0,0,0);}
  to{transform:translate3d(-50%,0,0);}
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:clamp(20px,3vw,44px);
  padding-top:clamp(32px,4.5vw,60px);
  padding-bottom:clamp(26px,4vw,48px);
}
.footer-col{min-width:0;}
.footer-col__title{
  position:relative;
  margin-bottom:14px;
  padding-left:12px;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.14em;
  color:#fff;
}
.footer-col__title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:14px;
  transform:translateY(-50%) skewX(-14deg);
  background:var(--flood);
}
.footer-list{display:flex;flex-direction:column;gap:2px;}
.footer-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:15px;
  color:#b9d0d9;
  text-decoration:none;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-link:hover{color:var(--neon);transform:translateX(2px);}
.footer-link--inline{margin-top:12px;color:var(--flood);}
.footer-link--inline:hover{color:var(--neon);}

.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.footer-brand__name{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:800;
  letter-spacing:.01em;
  color:#fff;
}
.footer-claim{max-width:26ch;font-size:15px;line-height:1.6;color:#a9d6c0;}

.footer-meta{display:flex;flex-direction:column;gap:10px;font-size:15px;line-height:1.6;color:#b9d0d9;}
.footer-meta li{display:flex;gap:10px;align-items:baseline;}
.footer-meta__key{flex:0 0 44px;font-size:12px;letter-spacing:.08em;color:#8fb6a5;}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:16px;
  padding-bottom:22px;
  border-top:1px solid rgba(124,255,155,.16);
  font-size:13px;
  letter-spacing:.04em;
  color:#8fadb8;
}
.footer-bottom__icp{font-family:var(--font-num);letter-spacing:0;}

/* ---------- 15. 显现动效 ---------- */
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(10px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal-ready [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1023px){
  .header-frame{
    grid-template-columns:1fr auto;
    gap:12px;
    min-height:64px;
  }
  .brand{border-right:0;padding-right:0;}
  .brand__tag{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{display:none;}

  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
    padding:10px clamp(16px,4vw,28px) 22px;
    background:linear-gradient(180deg,#0a3227 0%,var(--stand) 100%);
    border-bottom:3px solid var(--flood);
    box-shadow:0 18px 40px rgba(6,24,18,.45);
  }
  .site-header[data-open] .site-nav{display:block;}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px;}
  .site-nav__link{
    justify-content:flex-start;
    min-height:48px;
    padding:0 6px;
    font-size:17px;
    border-bottom:1px dashed rgba(124,255,155,.16);
  }
  .site-nav__link::after{left:6px;right:auto;width:28px;bottom:12px;}
  .site-nav__link[aria-current="page"]::before{left:-2px;}
  .site-nav__cta{display:flex;flex-direction:column;}

  .footer-grid{grid-template-columns:1fr 1fr;}
  .grid--split{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:719px){
  body{font-size:16px;}
  .grid--halves{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section__head{align-items:flex-start;}
}

@media (max-width:420px){
  .site-nav__cta{gap:10px;}
  .btn{width:100%;}
  .header-actions .btn,
  .footer-link--inline{width:auto;}
}

/* ---------- 17. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .ticker{overflow-x:auto;}
  .ticker__track{animation:none;}
  .reveal-ready [data-reveal]{opacity:1;transform:none;}
}