/* ============================================================
   亚富赛场 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 0. Tokens ---------- */
:root{
  color-scheme: dark;

  --ink:#0B1F1A;
  --ink-2:#123028;
  --ink-3:#081915;
  --line:#1E4438;

  --lime:#C6FF3D;
  --lime-soft:#E4FFA3;
  --amber:#FF9E2C;
  --amber-deep:#C96A0E;

  --body:#A8BDB4;
  --white:#F2F7F3;
  --muted:#6E8A80;

  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-pill:999px;

  --shell:1240px;
  --shell-wide:1440px;
  --gutter:20px;
  --gap:24px;

  --header-h:76px;
  --header-h-shrink:48px;

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

  --dur:180ms;
  --dur-slow:260ms;
  --ease:linear;
}

/* ---------- 1. 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,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;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%}
[hidden]{display:none !important}

:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}

/* ---------- 2. Base / 中文排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 60% at 100% 0%, rgba(18,48,40,.9) 0%, rgba(11,31,26,0) 60%),
    radial-gradient(90% 50% at 0% 100%, rgba(30,68,56,.35) 0%, rgba(11,31,26,0) 65%);
  background-repeat:no-repeat;
  color:var(--body);
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
main{display:block}
#main-content{display:block}
[id]{scroll-margin-top:110px}
strong,b{color:var(--white);font-weight:700}
::selection{background:var(--lime);color:#08211A}

.num,.score-num,.index-label,.timeline__time,.stat__value,.card__index,.footer-contact__val,.header-progress{
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}

/* 标题字：压缩型超大标题 */
.display{
  font-size:clamp(40px,7.6vw,92px);
  line-height:.92;
  font-weight:800;
  font-stretch:90%;
  letter-spacing:-.03em;
  color:var(--white);
  text-wrap:balance;
}
.display--xl{font-size:clamp(52px,11vw,104px)}
.eyebrow{
  display:block;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--lime);
  font-weight:600;
}
.index-label{
  display:block;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
}
.lede{
  font-size:16px;
  line-height:1.7;
  color:var(--body);
  max-width:54ch;
}
.note{
  border-left:2px solid var(--lime);
  padding:2px 0 2px 16px;
  font-size:13px;
  color:var(--body);
}
.score-num{
  font-family:var(--font-mono);
  font-weight:700;
  color:var(--lime);
  letter-spacing:-.01em;
}
.rule{height:1px;background:var(--line);border:0;margin:0}
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);
  white-space:nowrap;border:0;
}

/* ---------- 3. 布局容器 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.container--wide{max-width:var(--shell-wide)}

.section{padding:64px 0}
.section--tight{padding:36px 0}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.section__title{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.06;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--white);
  font-stretch:90%;
}
.section__note{font-size:13px;color:var(--muted);max-width:46ch}

.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--rail{grid-template-columns:minmax(0,1fr)}
.grid--split{grid-template-columns:minmax(0,1fr)}
.rail-sticky{position:relative}

@media (min-width:900px){
  .grid--rail{grid-template-columns:248px minmax(0,1fr);gap:40px}
  .grid--split{grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);gap:44px}
  .rail-sticky{position:sticky;top:104px;align-self:start}
}
@media (max-width:760px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:16px;top:-70px;
  z-index:200;
  padding:10px 18px;
  background:var(--lime);
  color:#08211A;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  border-radius:0 0 14px 14px;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 5. 头部：紧凑命令栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(11,31,26,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.5;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 76px);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 22%,#000 78%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 22%,#000 78%,transparent);
}

.command-bar{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:22px;
  min-height:var(--header-h);
}
.site-header[data-shrink] .command-bar{min-height:var(--header-h-shrink)}

.brand{
  display:flex;
  flex-direction:column;
  gap:1px;
  flex:0 0 auto;
}
.brand__mark{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--white);
  line-height:1.2;
}
.brand__sub{
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
  line-height:1.4;
}
.site-header[data-shrink] .brand__sub{display:none}

.site-nav{
  flex:1 1 auto;
  display:flex;
  justify-content:center;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-list__item{display:block}
.nav-list__link{
  position:relative;
  display:block;
  padding:8px 12px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--body);
  border-radius:var(--r-pill);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-list__link:hover{color:var(--white)}
.nav-list__link[aria-current="page"]{color:var(--lime)}
.nav-list__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
.nav-extra{display:none}

.command-bar__actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.cmd-link{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
  transition:color var(--dur) var(--ease);
}
.cmd-link:hover{color:var(--lime)}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--white);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bar{
  height:2px;
  border-radius:2px;
  background:var(--lime);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.header-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--line);
  overflow:hidden;
}
.header-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),var(--amber));
  transition:transform 90ms linear;
}

@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .command-bar{gap:12px}
  .command-bar__actions{display:none}

  .site-nav{
    position:absolute;
    left:0;right:0;top:100%;
    display:none;
    flex-direction:column;
    justify-content:flex-start;
    gap:0;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
    padding:8px var(--gutter) 24px;
    background:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .site-nav[data-open]{display:flex}

  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list__link{
    padding:14px 2px;
    font-size:15px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-list__link[aria-current="page"]::after{
    left:auto;right:0;bottom:auto;top:50%;
    width:6px;height:6px;border-radius:50%;
    transform:translateY(-50%);
  }

  .nav-extra{display:flex;flex-direction:column;gap:10px;margin-top:18px}
  .nav-extra__link{
    display:block;
    padding:10px 2px;
    font-size:13px;
    letter-spacing:.06em;
    color:var(--lime);
    border-bottom:1px dashed var(--line);
  }
  .nav-extra__link:last-child{border-bottom:0;color:var(--body)}
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:var(--ink-3);
  border-top:1px solid var(--line);
  color:var(--body);
}
.footer-band{
  background:linear-gradient(90deg,rgba(198,255,61,.11),rgba(255,158,44,.07));
  border-bottom:1px solid var(--line);
}
.footer-band__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:22px;
  padding-bottom:22px;
}
.footer-band__text{
  font-size:14px;
  line-height:1.7;
  color:var(--body);
  max-width:64ch;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .85fr .85fr .85fr;
  gap:36px;
  padding:56px 0 44px;
}
.footer-brand{display:flex;flex-direction:column;gap:10px;max-width:36ch}
.footer-brand__mark{
  font-size:22px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--white);
  line-height:1.2;
}
.footer-brand__mark:hover{color:var(--lime)}
.footer-brand__sub{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.footer-note{font-size:13px;line-height:1.7;color:var(--body)}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.footer-contact__row{display:flex;gap:10px;font-size:12px;line-height:1.6}
.footer-contact__key{flex:0 0 34px;color:var(--muted);letter-spacing:.06em}
.footer-contact__val{color:var(--body);word-break:break-word}

.footer-col{display:flex;flex-direction:column;gap:14px}
.footer-col__title{
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--lime);
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links__link{
  font-size:14px;
  color:var(--body);
  transition:color var(--dur) var(--ease);
}
.footer-links__link:hover{color:var(--lime)}

.footer-meta{border-top:1px solid var(--line)}
.footer-meta__inner{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 24px;
  padding-top:16px;
  padding-bottom:28px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.footer-icp{font-variant-numeric:tabular-nums}
.footer-year{margin-left:auto;font-variant-numeric:tabular-nums}

@media (max-width:980px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:44px 0 36px}
  .footer-brand{grid-column:1 / -1;max-width:none}
}
@media (max-width:620px){
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-meta__inner{flex-direction:column;align-items:flex-start}
  .footer-year{margin-left:0}
}

/* ---------- 7. 通用按钮与标签 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  line-height:1.2;
  cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--lime{background:var(--lime);color:#08211A}
.btn--lime:hover{background:var(--lime-soft);transform:translateY(-1px)}
.btn--ghost{border-color:var(--line);color:var(--white)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--sm{padding:8px 16px;font-size:13px}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:11px;
  letter-spacing:.14em;
  line-height:1.6;
  color:var(--body);
  white-space:nowrap;
}
.chip--lime{border-color:transparent;background:rgba(198,255,61,.14);color:var(--lime)}
.chip--amber{border-color:transparent;background:rgba(255,158,44,.16);color:var(--amber)}
.chip--live::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--amber);
  animation:pulse 1.6s linear infinite;
}
@keyframes pulse{
  0%{opacity:1;transform:scale(1)}
  50%{opacity:.35;transform:scale(.7)}
  100%{opacity:1;transform:scale(1)}
}

/* ---------- 8. 面板 / 卡片 / 数据 ---------- */
.panel{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:24px;
}
.panel--flat{background:transparent;border-color:transparent;padding:0}

.card{
  position:relative;
  display:block;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--lime)}
.card__index{
  display:block;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
}
.card__title{
  margin-top:8px;
  font-size:19px;
  line-height:1.32;
  font-weight:700;
  color:var(--white);
}
.card__meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 12px;
  margin-top:10px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.card__body{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--body);
}
.card__flag{position:absolute;top:14px;right:14px}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{
  font-family:var(--font-mono);
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:var(--white);
}
.stat__label{font-size:11px;letter-spacing:.14em;color:var(--muted)}

/* ---------- 9. 时间轴 ---------- */
.timeline{
  --tl-rail:8px;
  position:relative;
  padding-left:30px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:var(--tl-rail);
  top:6px;bottom:6px;
  width:1px;
  background:var(--line);
}
.timeline__item{
  position:relative;
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.timeline__item:last-child{border-bottom:0}
.timeline__item::before{
  content:"";
  position:absolute;
  left:calc(-30px + var(--tl-rail) - 5px);
  top:28px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--ink);
  border:2px solid var(--lime);
}
.timeline__time{
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  color:var(--white);
  line-height:1.5;
}
.timeline__body{display:flex;flex-direction:column;gap:6px}
.timeline__title{font-size:17px;font-weight:700;color:var(--white);line-height:1.4}
.timeline__desc{font-size:14px;line-height:1.7;color:var(--body)}
@media (max-width:620px){
  .timeline{padding-left:24px}
  .timeline__item{grid-template-columns:minmax(0,1fr);gap:6px}
  .timeline__item::before{left:calc(-24px + var(--tl-rail) - 5px)}
}

/* ---------- 10. 图片容器（页面阶段放占位或实图） ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,var(--ink-2) 0%,var(--ink) 100%);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--portrait{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame__img,.media-frame img,.media-frame video{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.media-frame__tag{
  position:absolute;
  left:14px;bottom:14px;
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(8,25,21,.72);
  border:1px solid var(--line);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--lime);
}
.media-frame--placeholder::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(198,255,61,.08) 0 2px,transparent 2px 16px);
}
.media-frame--placeholder::after{
  content:attr(data-label);
  position:absolute;
  left:16px;right:16px;bottom:16px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
}

/* ---------- 11. 面包屑 / 页头 ---------- */
.breadcrumbs{margin:26px 0 6px}
.breadcrumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__link{color:var(--body);transition:color var(--dur) var(--ease)}
.breadcrumbs__link:hover{color:var(--lime)}
.breadcrumbs__sep{color:var(--line)}
.breadcrumbs__item[aria-current="page"]{color:var(--white)}

.page-head{padding:26px 0 10px}
.page-head__title{margin-top:14px}
.page-head__note{margin-top:18px}

/* ---------- 12. 标签页 / 时段切换 ---------- */
.tablist{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:thin;
}
.tab{
  flex:0 0 auto;
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--body);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tab:hover{border-color:var(--lime);color:var(--white)}
.tab[aria-selected="true"]{
  background:var(--lime);
  border-color:transparent;
  color:#08211A;
  font-weight:700;
}
[data-tab-panel]{animation:fade-in var(--dur-slow) var(--ease)}
@keyframes fade-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 13. 滚动显现 / 返回顶部 ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease);
}
.reveal.is-in{opacity:1;transform:none}

.to-top{
  position:fixed;
  right:18px;bottom:18px;
  z-index:130;
  width:46px;height:46px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:var(--ink-2);
  color:var(--lime);
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top[data-visible]{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{border-color:var(--lime)}
.to-top svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.5;fill:none}

/* ---------- 14. 状态与无障碍 ---------- */
[data-spy] a[data-active="true"]{
  color:var(--lime);
  border-bottom:1px solid var(--lime);
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .chip--live::before{animation:none}
  .card:hover{transform:none}
  .btn--lime:hover{transform:none}
}