/* ============================================================
   绿茵赛场 /lvyin-green.com.cn  ·  /assets/site.css
   共享外壳：reset、变量、中文排版、头部、页脚、按钮、
   面包屑、正文容器、网格与基础组件（页面专属布局另写）
   ============================================================ */

/* ---------- 01 · 变量 ---------- */
:root{
  --ink:#0B1F17;
  --ink-2:#123A2A;
  --turf:#1F6B45;
  --turf-lit:#4FBF7A;
  --signal:#C8F135;
  --paper:#F4F1E8;
  --char:#1A1D1C;
  --mist:#8C9490;
  --amber:#E8B84B;
  --stand:#2A2E33;

  --rail-w:88px;
  --bar-h:64px;
  --maxw:1280px;
  --gutter:clamp(20px,4vw,56px);

  --font-display:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.2,.7,.3,1);
}
@media (min-width:768px){ :root{ --bar-h:76px; } }

/* ---------- 02 · reset ---------- */
*,*::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,picture,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
::selection{background:var(--signal);color:var(--ink)}

/* ---------- 03 · 中文排版与基底 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--char);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(26,29,28,.045) 0 1px,transparent 1px 96px);
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
p{max-width:72ch}
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:800;line-height:1.16;letter-spacing:-.01em;text-wrap:balance}
strong{font-weight:800}
#main-content{display:block;scroll-margin-top:calc(var(--bar-h) + 16px)}

.title{font-family:var(--font-display);font-weight:800;line-height:1.04;letter-spacing:-.025em}
.title--xl{font-size:clamp(44px,8vw,88px)}
.title--lg{font-size:clamp(32px,5vw,64px)}
.title--md{font-size:clamp(24px,3vw,32px)}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--turf);
  line-height:1.4;
}
.eyebrow--signal{color:var(--signal)}

.lede{font-size:clamp(16px,1.4vw,18px);line-height:1.75;max-width:62ch}

.annotation{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--mist);
  line-height:1;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.num{font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}

.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 04 · 布局骨架 ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.section{position:relative;padding-block:clamp(56px,8vw,112px)}
.section--paper{background:var(--paper);color:var(--char)}
.section--ink{background:var(--ink);color:var(--paper)}
.section--stand{background:var(--stand);color:var(--paper)}
.section--turf{background:var(--turf);color:var(--paper)}

.band{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(16px,3vw,32px);
  padding:clamp(32px,5vw,56px) var(--gutter);
  border-top:1px solid rgba(26,29,28,.16);
}
.band--ink{background:var(--ink);color:var(--paper);border-top-color:rgba(79,191,122,.32)}
.band--paper{background:var(--paper);color:var(--char)}
.band--turf{background:var(--turf);color:var(--paper);border-top-color:rgba(200,241,53,.45)}
@media (min-width:900px){
  .band{grid-template-columns:minmax(0,7fr) minmax(0,4fr);align-items:end}
}

.grid{display:grid;gap:clamp(20px,3vw,40px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--12 > *{grid-column:span 12}
@media (min-width:900px){
  .grid--12 > .span-4{grid-column:span 4}
  .grid--12 > .span-5{grid-column:span 5}
  .grid--12 > .span-6{grid-column:span 6}
  .grid--12 > .span-7{grid-column:span 7}
  .grid--12 > .span-8{grid-column:span 8}
}

.rule{border:0;height:1px;background:currentColor;opacity:.18;margin-block:clamp(24px,4vw,48px)}

/* ---------- 05 · 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;
  font-family:var(--font-body);
  font-size:14px;font-weight:700;letter-spacing:.04em;line-height:1;
  border:1px solid transparent;background:transparent;color:inherit;
  transition:color .18s var(--ease),background-color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.btn--signal{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.btn--signal:hover{background:var(--ink);color:var(--signal);border-color:var(--signal);transform:translate(-2px,-2px)}
.btn--line{border-color:rgba(244,241,232,.45);color:var(--paper)}
.btn--line:hover{border-color:var(--signal);color:var(--signal);transform:translate(-2px,-2px)}
.btn--ghost{border-color:var(--turf);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translate(-2px,-2px)}

/* ---------- 06 · 头部：记分牌横条 + 侧轨 ---------- */
.skip-link{
  position:absolute;top:-120px;left:8px;z-index:200;
  padding:10px 16px;
  background:var(--signal);color:var(--ink);
  font-size:14px;font-weight:800;letter-spacing:.04em;
  transition:top .15s var(--ease);
}
.skip-link:focus{top:8px}

.progress{
  position:fixed;top:0;left:0;z-index:120;
  width:100%;height:2px;
  background:var(--signal);
  transform:scaleX(0);transform-origin:left center;
  pointer-events:none;
}

.site-header{position:relative;z-index:60}

.brand-bar{
  position:sticky;top:0;z-index:55;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto auto;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  height:var(--bar-h);
  padding:0 clamp(14px,3vw,36px);
  background:var(--ink);
  color:var(--paper);
  border-bottom:1px solid rgba(79,191,122,.35);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  display:grid;place-items:center;flex:none;
  width:38px;height:38px;
  background:var(--signal);color:var(--ink);
  font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.02em;
  transition:transform .15s var(--ease);
}
.brand:hover .brand__mark{transform:translate(-2px,-2px)}
.brand__text{display:flex;flex-direction:column;min-width:0;line-height:1.15}
.brand__name{font-family:var(--font-display);font-size:19px;font-weight:800;letter-spacing:.08em;color:var(--paper)}
.brand__line{
  margin-top:2px;
  font-size:11px;letter-spacing:.04em;color:var(--mist);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.brand-bar__status{
  display:none;
  align-items:center;gap:8px;
  font-size:12px;letter-spacing:.02em;color:var(--mist);
  max-width:34ch;
}
.status-dot{flex:none;width:7px;height:7px;background:var(--signal)}
.brand-bar__cta{display:none}

.nav-toggle{
  display:inline-flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;
  border:1px solid rgba(244,241,232,.35);
  color:var(--paper);
  font-size:12px;letter-spacing:.14em;
  transition:border-color .15s var(--ease),color .15s var(--ease);
}
.nav-toggle:hover{border-color:var(--signal);color:var(--signal)}
.nav-toggle[aria-expanded="true"]{border-color:var(--signal);color:var(--signal);background:rgba(200,241,53,.08)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:1px;width:18px;background:currentColor}
.nav-toggle__bars span:last-child{width:11px}
.nav-toggle__label{line-height:1}

.rail-scrim{
  position:fixed;inset:0;z-index:44;
  display:none;
  background:rgba(11,31,23,.74);
}
.site-header[data-open="true"] .rail-scrim{display:block}

.rail{
  position:fixed;top:var(--bar-h);left:0;z-index:45;
  display:flex;flex-direction:column;
  width:min(86vw,340px);
  height:calc(100vh - var(--bar-h));
  height:calc(100dvh - var(--bar-h));
  padding:18px 0 20px;
  overflow-y:auto;
  background:var(--ink-2);
  color:var(--paper);
  border-right:1px solid var(--turf-lit);
  transform:translateX(-100%);
  visibility:hidden;
  transition:transform .28s var(--ease),visibility .28s var(--ease);
}
.site-header[data-open="true"] .rail{transform:translateX(0);visibility:visible}

.rail__nav{display:flex;flex-direction:column;flex:1 1 auto}
.rail__head{
  padding:0 18px 10px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  color:var(--turf-lit);text-transform:uppercase;
}
.rail__list{display:flex;flex-direction:column}
.rail__link{
  display:flex;align-items:baseline;gap:10px;
  padding:11px 18px 11px 15px;
  border-left:3px solid transparent;
  font-size:14px;letter-spacing:.05em;line-height:1.3;color:var(--paper);
  transition:background-color .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease);
}
.rail__num{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--mist)}
.rail__label{font-weight:600}
.rail__link:hover{background:rgba(200,241,53,.08);border-left-color:var(--turf-lit);color:var(--signal)}
.rail__link:hover .rail__num{color:var(--turf-lit)}
.rail__link[aria-current="page"]{
  border-left-color:var(--signal);
  background:rgba(200,241,53,.13);
  color:var(--signal);font-weight:800;
}
.rail__link[aria-current="page"] .rail__label{font-weight:800}
.rail__link[aria-current="page"] .rail__num{color:var(--signal)}

.rail__quick{
  margin-top:auto;
  display:grid;gap:8px;
  padding:16px 18px 0;
  border-top:1px solid rgba(79,191,122,.28);
}
.rail__quick-title{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  color:var(--mist);text-transform:uppercase;
}
.rail__quick-link{
  display:inline-block;align-self:start;
  font-size:13px;letter-spacing:.04em;color:var(--paper);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.rail__quick-link:hover{color:var(--signal);border-bottom-color:var(--signal)}
.rail__note{
  padding:14px 18px 0;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;line-height:1.6;
  color:var(--mist);max-width:none;
}

@media (min-width:600px){
  .brand-bar{grid-template-columns:minmax(0,1fr) auto auto}
  .brand-bar__status{display:flex}
}
@media (min-width:768px){
  .brand-bar__cta{display:inline-flex}
}

@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .brand-bar{grid-template-columns:minmax(0,1fr) auto auto auto}

  .rail{
    top:0;z-index:70;
    width:var(--rail-w);
    height:100vh;
    padding:18px 0 22px;
    transform:none;visibility:visible;
    background:var(--ink-2);
    border-right:1px solid rgba(79,191,122,.32);
  }
  .rail-scrim{display:none !important}
  .nav-toggle{display:none}

  .rail__head{padding:0 10px 12px;font-size:9px;letter-spacing:.12em}
  .rail__link{
    flex-direction:column;align-items:flex-start;gap:2px;
    padding:10px 6px 10px 11px;
    font-size:12px;letter-spacing:.02em;
  }
  .rail__num{font-size:9px}
  .rail__quick{padding:14px 10px 0;gap:6px}
  .rail__quick-title{font-size:9px;letter-spacing:.1em}
  .rail__quick-link{font-size:11.5px;line-height:1.4}
  .rail__note{padding:12px 10px 0;font-size:9px}
}

@media (min-width:1024px) and (max-height:740px){
  .rail__note{display:none}
  .rail__quick{padding-top:10px}
  .rail__link{padding-block:8px}
}

/* ---------- 07 · 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:var(--paper);
  border-top:1px solid rgba(79,191,122,.28);
}
.footer__arc{
  position:absolute;top:-138px;left:50%;
  width:150%;height:240px;
  transform:translateX(-50%);
  border:1px solid rgba(79,191,122,.26);
  border-top-color:transparent;
  border-radius:0 0 50% 50% / 0 0 100% 100%;
  pointer-events:none;
}
.footer__inner{
  position:relative;
  width:100%;max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(48px,7vw,88px) var(--gutter) clamp(20px,3vw,32px);
}
.footer__top{
  display:grid;grid-template-columns:1fr;
  gap:clamp(32px,5vw,56px);
  padding-bottom:clamp(28px,4vw,48px);
  border-bottom:1px solid rgba(244,241,232,.18);
}
@media (min-width:900px){
  .footer__top{grid-template-columns:minmax(0,1.15fr) minmax(0,1.7fr) minmax(0,1.1fr)}
}
.footer__brand-name{
  font-family:var(--font-display);font-size:clamp(24px,3vw,32px);
  font-weight:800;letter-spacing:.1em;line-height:1.1;color:var(--paper);
}
.footer__brand-text{
  margin-top:14px;font-size:14px;line-height:1.8;color:rgba(244,241,232,.78);max-width:36ch;
}
.footer__cta{margin-top:22px}
.footer__stamp{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:22px;padding-top:12px;
  width:max-content;max-width:100%;
  border-top:1px solid rgba(79,191,122,.34);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  color:var(--turf-lit);
}
.footer__cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,3vw,32px)}
@media (min-width:600px){ .footer__cols{grid-template-columns:repeat(3,minmax(0,1fr))} }
.footer__col-title{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--turf-lit);
}
.footer__links{display:grid;gap:4px;justify-items:start}
.footer__link{
  display:inline-block;
  padding:3px 0;
  font-size:14px;line-height:1.6;color:rgba(244,241,232,.86);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer__link:hover,.footer__link:focus-visible{color:var(--signal);border-bottom-color:var(--signal)}

.footer__contact-title{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--turf-lit);
}
.footer__contact-list{display:grid;gap:12px}
.footer__item{display:grid;gap:2px}
.footer__k{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--mist);text-transform:uppercase}
.footer__v{font-size:14px;line-height:1.65;color:var(--paper);word-break:break-word}
.footer__note{margin-top:16px;font-size:12px;line-height:1.7;color:var(--mist);max-width:34ch}

.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  padding-top:18px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--mist);
}
.footer__legal-line,.footer__copy{max-width:none}

/* ---------- 08 · 基础组件 ---------- */
.link-underline{position:relative;display:inline-block}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .18s var(--ease);
}
.link-underline:hover::after,.link-underline:focus-visible::after{transform:scaleX(1)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;line-height:1.5;
  border:1px solid currentColor;color:var(--turf);background:transparent;
}
.tag--signal{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.tag--amber{border-color:var(--amber);color:#B98314}
.tag--live{border-color:var(--turf-lit);color:var(--turf)}

.card{
  background:var(--paper);color:var(--char);
  border:1px solid rgba(26,29,28,.16);
  padding:clamp(18px,2.4vw,28px);
  transition:border-color .15s var(--ease),transform .15s var(--ease);
}
.card:hover{border-color:var(--turf);transform:translate(-2px,-2px)}
.card--ink{background:var(--ink-2);color:var(--paper);border-color:rgba(79,191,122,.32)}
.card--ink:hover{border-color:var(--signal)}

.data-card{
  display:grid;gap:8px;
  padding:clamp(16px,2vw,22px);
  background:var(--ink-2);color:var(--paper);
  border:1px solid rgba(79,191,122,.32);
  transition:border-color .15s var(--ease),transform .15s var(--ease);
}
.data-card:hover{border-color:var(--signal);transform:translate(-2px,-2px)}
.data-card__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--turf-lit);
}
.data-card__value{
  font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;
  font-size:clamp(32px,4.4vw,44px);line-height:1;letter-spacing:-.02em;color:var(--paper);
}
.data-card__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:var(--mist)}
.data-card--signal .data-card__value{color:var(--signal)}
.data-card--drop{margin-top:clamp(20px,4vw,56px)}

.list-lines{display:grid}
.list-lines__item{
  position:relative;
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  gap:14px;align-items:baseline;
  padding:13px 0 13px 14px;
  border-bottom:1px solid rgba(26,29,28,.14);
}
.list-lines__item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--signal);
  transform:scaleY(0);transform-origin:top center;
  transition:transform .18s var(--ease);
}
.list-lines__item:hover::before,.list-lines__item:focus-within::before{transform:scaleY(1)}
.list-lines__num{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mist)}
.list-lines__text{font-size:16px;line-height:1.6;min-width:0}
.list-lines__meta{font-family:var(--font-mono);font-size:12px;color:var(--mist);white-space:nowrap}
.list-lines--on-dark .list-lines__item{border-bottom-color:rgba(244,241,232,.18);color:var(--paper)}
.list-lines--on-dark .list-lines__num,.list-lines--on-dark .list-lines__meta{color:var(--mist)}

.media{position:relative;display:block;margin:0}
.media__frame{
  position:relative;
  width:100%;aspect-ratio:16 / 10;
  overflow:hidden;
  background-color:var(--ink-2);
  background-image:
    repeating-linear-gradient(135deg,rgba(79,191,122,.14) 0 2px,transparent 2px 14px);
  border:1px solid rgba(79,191,122,.35);
}
.media__img,.media img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04)}
.media__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,31,23,0) 45%,rgba(11,31,23,.55) 100%);
}
.media--wide .media__frame{aspect-ratio:21 / 9}
.media--tall .media__frame{aspect-ratio:3 / 4}
.media--square .media__frame{aspect-ratio:1 / 1}
.media__tag{
  position:absolute;left:0;bottom:0;z-index:2;
  padding:6px 10px;
  background:var(--signal);color:var(--ink);
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.1em;
}
.media__caption{
  margin-top:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;line-height:1.6;
  color:var(--mist);
}

.breadcrumbs{
  padding-block:12px;
  border-bottom:1px solid rgba(26,29,28,.14);
  font-size:12px;
}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;max-width:none}
.breadcrumbs__link{
  color:var(--turf);border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.breadcrumbs__link:hover{color:var(--char);border-bottom-color:var(--signal)}
.breadcrumbs__sep{font-family:var(--font-mono);color:var(--mist)}
.breadcrumbs__current{color:var(--mist)}
.breadcrumbs--on-dark{border-bottom-color:rgba(244,241,232,.18);color:var(--paper)}
.breadcrumbs--on-dark .breadcrumbs__link{color:var(--turf-lit)}
.breadcrumbs--on-dark .breadcrumbs__link:hover{color:var(--signal);border-bottom-color:var(--signal)}
.breadcrumbs--on-dark .breadcrumbs__current{color:rgba(244,241,232,.66)}

/* ---------- 09 · 显现与动效 ---------- */
.has-js [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.has-js [data-reveal].is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none;transition:none}
  .progress{transition:none}
}