/* ============================================================
   新利赛事通 · /assets/site.css
   共享外壳：reset / 令牌 / 页头 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 1. reset ---------- */
*,
*::before,
*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; }

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

body,
h1,h2,h3,h4,h5,p,
ul,ol,li,
figure,blockquote,dl,dd{ margin:0; }

ul,ol{ list-style:none; padding:0; }

img,svg,video{ display:block; max-width:100%; }

button,
input,
select,
textarea{ font:inherit; color:inherit; }

button{ background:none; border:0; cursor:pointer; }

a{ color:inherit; text-decoration:none; }

table{ border-collapse:collapse; width:100%; }

/* ---------- 2. 设计令牌 ---------- */
:root{
  /* 色彩 */
  --ink:#0E2A26;
  --ink-2:#14382F;
  --ink-3:#0A211E;
  --green-mid:#1D5C4A;
  --orange:#FF5A2B;
  --orange-2:#FF8A3D;
  --orange-deep:#240C03;
  --paper:#F4F7F4;
  --row:#E4EAE6;
  --line:#C7D3CE;
  --note:#5F7370;
  --wine:#8E1F3F;
  --indigo:#2E2A5C;
  --text:#111814;

  /* 深底上的浅色 */
  --on-ink:#D4E2DD;
  --on-ink-dim:#8FAEA6;
  --on-ink-faint:#7E9A92;

  /* 尺度 */
  --shell-max:1280px;
  --gutter:clamp(18px,4vw,40px);
  --measure:44em;

  /* 圆角 */
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:36px;
  --r-pill:999px;

  /* 字体 */
  --font-display:"Archivo Narrow","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* 阴影与缓动 */
  --shadow-card:0 18px 44px -30px rgba(10,33,30,.6);
  --ease-out:cubic-bezier(.22,.72,.28,1);
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.18;
  color:var(--text);
  letter-spacing:.005em;
}

h1{ font-size:clamp(34px,5vw,58px); }
h2{ font-size:clamp(26px,3.2vw,38px); }
h3{ font-size:clamp(20px,2.3vw,26px); }
h4{ font-size:17px; }

p{ overflow-wrap:break-word; }

strong,b{ font-weight:800; }

::selection{
  background:var(--orange);
  color:var(--orange-deep);
}

/* 焦点环 */
:where(a,button,[tabindex],summary,input,select,textarea):focus-visible{
  outline:2px solid var(--orange-2);
  outline-offset:3px;
  border-radius:var(--r-sm);
}

/* ---------- 4. 工具类 ---------- */
.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;
}

.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.skip-link{
  position:absolute;
  left:16px;
  top:-120px;
  z-index:200;
  padding:12px 22px;
  border-radius:var(--r-pill);
  background:var(--orange);
  color:var(--orange-deep);
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  transition:top .18s var(--ease-out);
}
.skip-link:focus{ top:16px; }

.divider{
  height:1px;
  border:0;
  background:var(--line);
  margin-block:0;
}

/* ---------- 5. 滚动进度条 ---------- */
.progress-bar{
  position:fixed;
  top:0;left:0;
  width:100%;
  height:3px;
  z-index:120;
  pointer-events:none;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--orange),var(--orange-2));
}

/* ---------- 6. 页头 ---------- */
.site-header{
  position:relative;
  z-index:60;
  background:var(--ink);
  color:var(--paper);
  border-bottom:1px solid rgba(199,211,206,.14);
}

.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(244,247,244,.03) 0 1px,transparent 1px 88px),
    radial-gradient(120% 140% at 50% -40%,rgba(29,92,74,.55),transparent 62%);
}

.site-header > .shell{ position:relative; }

/* 报头 */
.masthead{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:20px;
  padding-block:24px 16px;
}

.masthead-note{
  position:relative;
  padding-left:18px;
  max-width:210px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--on-ink-faint);
  letter-spacing:.02em;
}
.masthead-note::before{
  content:"";
  position:absolute;
  left:0;
  top:.68em;
  width:10px;
  height:1px;
  background:var(--line);
}

.masthead-brand{
  justify-self:center;
  display:grid;
  justify-items:center;
  gap:4px;
  text-align:center;
  padding:2px 8px;
}

.brand-rule{
  width:40px;
  height:3px;
  border-radius:2px;
  background:var(--orange);
  margin-bottom:6px;
}

.brand-name{
  font-family:var(--font-display);
  font-size:clamp(24px,2.7vw,34px);
  font-weight:800;
  letter-spacing:.08em;
  line-height:1.1;
  color:var(--paper);
}

.brand-sub{
  font-size:11px;
  font-weight:600;
  letter-spacing:.32em;
  text-indent:.32em;
  color:var(--on-ink-dim);
}

.masthead-utils{
  justify-self:end;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  justify-content:flex-end;
}

.util-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--on-ink-dim);
  transition:color .18s var(--ease-out);
}
.util-link::before{
  content:"";
  flex:0 0 auto;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--orange);
  transition:background .18s var(--ease-out);
}
.util-link:hover{ color:var(--paper); }
.util-link:hover::before{ background:var(--orange-2); }

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 16px 9px 13px;
  border-radius:var(--r-pill);
  border:1px solid rgba(199,211,206,.28);
  color:var(--paper);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.1em;
  transition:background .18s var(--ease-out),border-color .18s var(--ease-out);
}
.nav-toggle:hover{ background:rgba(244,247,244,.08); }

.nav-toggle-bars{
  display:grid;
  gap:4px;
  width:16px;
}
.nav-toggle-bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s var(--ease-out),opacity .2s var(--ease-out);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){
  opacity:0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}

/* 主导航 */
.site-nav{
  border-top:1px solid rgba(199,211,206,.14);
}

.nav-list{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:2px;
}

.nav-list a{
  position:relative;
  display:block;
  padding:15px 18px;
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.05em;
  color:#B4C9C2;
  transition:color .18s var(--ease-out);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:7px;
  height:2px;
  border-radius:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease-out);
}
.nav-list a:hover{ color:var(--paper); }
.nav-list a:hover::after{ transform:scaleX(1); }

.nav-list a[aria-current="page"]{
  color:var(--paper);
  font-weight:800;
}
.nav-list a[aria-current="page"]::after{ transform:scaleX(1); }

/* 时间刻度条 */
.time-rail{
  position:relative;
  border-top:1px solid rgba(199,211,206,.14);
  padding-block:11px 13px;
  overflow:hidden;
}
.time-rail::after{
  content:"";
  position:absolute;
  top:0;right:0;
  width:64px;
  height:100%;
  pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(14,42,38,.92));
}

.rail-track{
  display:flex;
  gap:8px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-inline:max(var(--gutter),calc((100vw - var(--shell-max)) / 2));
}
.rail-track::-webkit-scrollbar{ display:none; }

.rail-chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:9px;
  height:36px;
  padding:0 17px;
  border-radius:var(--r-pill);
  border:1px solid rgba(199,211,206,.2);
  background:rgba(244,247,244,.06);
  color:#A9C0B8;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.03em;
  white-space:nowrap;
  transition:background .18s var(--ease-out),color .18s var(--ease-out),border-color .18s var(--ease-out);
}
.rail-chip::before{
  content:"";
  width:10px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  opacity:.55;
  transition:opacity .18s var(--ease-out),width .18s var(--ease-out);
}
.rail-chip:hover{
  background:rgba(244,247,244,.14);
  color:var(--paper);
  border-color:rgba(199,211,206,.34);
}
.rail-chip.is-current{
  background:var(--orange);
  border-color:var(--orange);
  color:var(--orange-deep);
  font-weight:800;
}
.rail-chip.is-current::before{
  opacity:1;
  width:14px;
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:var(--on-ink);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(244,247,244,.028) 0 1px,transparent 1px 96px),
    radial-gradient(90% 120% at 12% -10%,rgba(29,92,74,.5),transparent 60%);
}

.footer-shell{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:56px;
  padding-block:72px 56px;
}

.footer-logo{
  font-family:var(--font-display);
  font-size:24px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--paper);
  padding-left:18px;
  position:relative;
}
.footer-logo::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:12px;
  height:3px;
  border-radius:2px;
  background:var(--orange);
}

.footer-lede{
  margin-top:16px;
  max-width:34em;
  font-size:14.5px;
  line-height:1.85;
  color:#AEC4BD;
}

.footer-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:24px;
}

.footer-tag{
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(199,211,206,.22);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:#9DB6AE;
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:32px;
}

.footer-col-title{
  font-size:12px;
  font-weight:800;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--on-ink-faint);
  padding-bottom:14px;
  margin-bottom:14px;
  border-bottom:1px solid rgba(199,211,206,.16);
}

.footer-list{
  display:grid;
  gap:11px;
}
.footer-list a{
  display:inline-block;
  font-size:14.5px;
  color:#B9CEC7;
  transition:color .18s var(--ease-out),transform .18s var(--ease-out);
}
.footer-list a:hover{
  color:var(--orange-2);
  transform:translateX(3px);
}

.footer-bar{
  position:relative;
  border-top:1px solid rgba(199,211,206,.16);
}

.footer-bar-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 32px;
  padding-block:20px 26px;
  font-size:12.5px;
  color:var(--on-ink-faint);
}

.footer-contact-line{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.01em;
  color:#A7BFB8;
}

.footer-address-line{ color:var(--on-ink-faint); }

.footer-legal{
  color:#6E8983;
  letter-spacing:.03em;
}

/* ---------- 8. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.04em;
  transition:background .18s var(--ease-out),color .18s var(--ease-out),
             border-color .18s var(--ease-out),transform .18s var(--ease-out);
}
.btn-primary{
  background:var(--orange);
  color:var(--orange-deep);
}
.btn-primary:hover{
  background:var(--orange-2);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--ink);
  color:var(--paper);
}
.btn-dark:hover{
  background:var(--ink-2);
  transform:translateY(-2px);
}
.btn-ghost{
  border-color:var(--line);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{
  background:var(--row);
  border-color:#AEBEB8;
}
.btn-on-ink{
  border-color:rgba(199,211,206,.34);
  color:var(--paper);
}
.btn-on-ink:hover{
  background:rgba(244,247,244,.1);
  border-color:rgba(199,211,206,.5);
}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb{
  font-size:12.5px;
  letter-spacing:.02em;
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
}
.breadcrumb li{
  display:flex;
  align-items:center;
  color:var(--note);
}
.breadcrumb li + li::before{
  content:"/";
  margin-inline:9px;
  color:var(--line);
}
.breadcrumb a{
  color:var(--note);
  transition:color .18s var(--ease-out);
}
.breadcrumb a:hover{ color:var(--orange); }
.breadcrumb [aria-current="page"]{
  color:var(--text);
  font-weight:700;
}

/* ---------- 10. 正文容器 ---------- */
.prose{
  max-width:var(--measure);
  font-size:16.5px;
  line-height:1.85;
}
.prose > * + *{ margin-top:1.05em; }
.prose p{ margin:0; }
.prose h2{ margin-top:1.7em; }
.prose h3{ margin-top:1.4em; }
.prose ul,
.prose ol{
  display:grid;
  gap:.5em;
  padding-left:1.15em;
}
.prose ul li{ list-style:none; position:relative; }
.prose ul li::before{
  content:"";
  position:absolute;
  left:-1.15em;
  top:.78em;
  width:12px;
  height:2px;
  border-radius:2px;
  background:var(--orange);
}
.prose ol li{ list-style:decimal; }
.prose a{
  color:var(--ink-2);
  font-weight:700;
  box-shadow:inset 0 -2px 0 rgba(255,90,43,.45);
  transition:box-shadow .18s var(--ease-out),color .18s var(--ease-out);
}
.prose a:hover{
  color:var(--orange);
  box-shadow:inset 0 -2px 0 var(--orange);
}

/* ---------- 11. 章节与标签 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--note);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--orange);
}

.section{ padding-block:96px; }
.section-head{
  display:grid;
  gap:14px;
  margin-bottom:48px;
  max-width:52em;
}

/* ---------- 12. 面板与色彩分区 ---------- */
.panel{
  background:var(--row);
  border-radius:var(--r-lg);
  padding:clamp(22px,3vw,36px);
}

.panel-ink{
  background:var(--ink);
  color:var(--on-ink);
  border-radius:var(--r-lg);
  padding:clamp(22px,3vw,36px);
}
.panel-ink h1,
.panel-ink h2,
.panel-ink h3,
.panel-ink h4{ color:var(--paper); }
.panel-ink .eyebrow{ color:var(--on-ink-dim); }

.panel-wine{
  background:var(--wine);
  color:#F7E7ED;
  border-radius:var(--r-lg);
  padding:clamp(22px,3vw,36px);
}
.panel-wine h1,
.panel-wine h2,
.panel-wine h3,
.panel-wine h4{ color:#FFF3F7; }
.panel-wine .eyebrow{ color:#E9B5C7; }

.zone-ink{
  background:var(--ink);
  color:var(--on-ink);
}
.zone-ink h1,
.zone-ink h2,
.zone-ink h3,
.zone-ink h4{ color:var(--paper); }
.zone-ink .eyebrow{ color:var(--on-ink-dim); }
.zone-ink .prose{ color:#C3D5CF; }
.zone-ink .prose a{ color:var(--paper); }
.zone-ink .figure-caption{ color:var(--on-ink-dim); }

/* ---------- 13. 图片容器 ---------- */
.figure{
  display:block;
  width:100%;
}

.figure-media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:linear-gradient(155deg,var(--ink-2) 0%,var(--ink) 55%,var(--ink-3) 100%);
  isolation:isolate;
}
.figure-media.is-wide{ aspect-ratio:21 / 9; }
.figure-media.is-portrait{ aspect-ratio:4 / 5; }
.figure-media.is-square{ aspect-ratio:1 / 1; }

.figure-media > img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.figure-media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(244,247,244,.06) 0 1px,transparent 1px 64px),
    linear-gradient(180deg,transparent 54%,rgba(10,33,30,.6) 100%);
}

.figure-caption{
  position:relative;
  margin-top:12px;
  padding-left:18px;
  font-size:13px;
  line-height:1.65;
  color:var(--note);
}
.figure-caption::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:12px;
  height:1px;
  background:var(--line);
}

/* ---------- 14. 统计组件 ---------- */
.stat{
  display:grid;
  gap:6px;
}

.stat-value{
  font-family:var(--font-mono);
  font-size:clamp(34px,4.6vw,54px);
  font-weight:700;
  line-height:1;
  letter-spacing:normal;
  font-variant-numeric:tabular-nums;
  color:var(--orange);
}

.stat-unit{
  font-family:var(--font-mono);
  font-size:16px;
  font-weight:700;
  color:var(--note);
  margin-left:4px;
}

.stat-label{
  font-size:13px;
  letter-spacing:.04em;
  color:var(--note);
}

/* ---------- 15. 进场动效协议 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .2s var(--ease-out),transform .2s var(--ease-out);
}
.js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}
.js [data-reveal][data-reveal-delay="1"]{ transition-delay:.08s; }
.js [data-reveal][data-reveal-delay="2"]{ transition-delay:.16s; }
.js [data-reveal][data-reveal-delay="3"]{ transition-delay:.24s; }

/* ---------- 16. 响应式：平板 ---------- */
@media (max-width:1024px){
  .masthead-note{ max-width:180px; }
  .footer-shell{
    grid-template-columns:1fr;
    gap:48px;
    padding-block:60px 48px;
  }
}

/* ---------- 17. 响应式：移动 / 窄平板 ---------- */
@media (max-width:860px){
  .masthead{
    grid-template-columns:minmax(0,1fr) auto;
    gap:12px;
    padding-block:16px 14px;
  }
  .masthead-note{ display:none; }

  .masthead-brand{
    justify-self:start;
    justify-items:start;
    text-align:left;
    padding-left:0;
  }
  .brand-rule{ margin-bottom:5px; }
  .brand-sub{ letter-spacing:.24em; text-indent:.24em; }

  .masthead-utils{ display:none; }

  .nav-toggle{
    display:inline-flex;
    justify-self:end;
    align-self:center;
  }

  .site-nav{
    max-height:0;
    overflow:hidden;
    border-top:0;
    transition:max-height .3s var(--ease-out);
  }
  .site-nav[data-open]{
    max-height:560px;
    border-top:1px solid rgba(199,211,206,.14);
  }

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding-block:6px 12px;
  }
  .nav-list a{
    padding:15px 4px;
    font-size:17px;
    letter-spacing:.04em;
    border-bottom:1px solid rgba(199,211,206,.1);
  }
  .nav-list li:last-child a{ border-bottom:0; }
  .nav-list a::after{ display:none; }
  .nav-list a[aria-current="page"]{
    color:var(--orange-2);
    padding-left:15px;
    box-shadow:inset 3px 0 0 var(--orange);
  }

  .time-rail::after{ width:40px; }

  .site-footer{ margin-top:72px; }

  .footer-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .footer-col-title{ margin-bottom:12px; }

  .footer-bar-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    padding-block:18px 24px;
  }

  .section{ padding-block:64px; }
  .section-head{ margin-bottom:32px; }
}

@media (max-width:480px){
  body{ font-size:15.5px; }
  .brand-name{ font-size:22px; letter-spacing:.06em; }
  .brand-sub{ font-size:10px; }
  .rail-chip{ height:34px; padding:0 14px; font-size:12.5px; }
  .btn{ width:100%; }
  .footer-tag{ font-size:11.5px; padding:5px 12px; }
}

/* ---------- 18. 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;
  }
  .js [data-reveal]{
    opacity:1;
    transform:none;
  }
  .rail-track{ scroll-behavior:auto; }
  .progress-bar{ transition:none; }
}