/* ============================================================
   TPG赛事平台 · 共享外壳样式 /assets/site.css
   夜间数据台 + 复古出版物索引
   ============================================================ */

:root{
  --ink:#0C1F1A;
  --char:#12161A;
  --forest:#16302A;
  --paper:#F2E8D5;
  --cyan:#3FE6C8;
  --amber:#E5A33C;
  --cinnabar:#C1503F;
  --cinnabar-lt:#E07A66;
  --mist:#8C9A94;
  --read:#EAF4EF;
  --teal:#1E3B34;

  --line:rgba(63,230,200,.16);
  --line-soft:rgba(140,154,148,.18);
  --line-amber:rgba(229,163,60,.42);

  --shadow-1:0 1px 0 rgba(0,0,0,.45), 0 12px 32px -20px rgba(0,0,0,.95);
  --shadow-2:0 2px 0 rgba(0,0,0,.5), 0 22px 50px -22px rgba(0,0,0,1);

  --font-body:"PingFang SC","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-title:"Oswald","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",Georgia,serif;

  --shell:1320px;
  --gut:clamp(16px,4vw,40px);
  --radius:14px;
  --radius-lg:22px;
  --t:200ms cubic-bezier(.2,.7,.3,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background:var(--ink);
}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(1200px 620px at 78% -10%, rgba(63,230,200,.07), transparent 62%),
    radial-gradient(900px 520px at 6% 8%, rgba(229,163,60,.05), transparent 60%),
    var(--ink);
  color:var(--read);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:500;
  line-height:1.75;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;height:auto}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-title);
  font-weight:700;
  line-height:1.1;
  letter-spacing:.01em;
  color:var(--read);
  margin:0 0 .5em;
}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--read)}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
::selection{background:rgba(63,230,200,.28);color:var(--read)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
:where(a,button):focus:not(:focus-visible){outline:none}

/* ---------- 基础容器 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gut);
}
.section{padding:clamp(40px,7vw,84px) 0}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:clamp(20px,3vw,34px);
}
.section-head__title{
  margin:0;
  font-family:var(--font-title);
  font-size:clamp(22px,3vw,34px);
  line-height:1.12;
  color:var(--read);
}

/* ---------- 通用网格 ---------- */
.grid{display:grid;gap:clamp(14px,2vw,22px)}
.grid--split{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}

/* ---------- 眉题 / 面包屑 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:20px;
  height:1px;
  background:var(--cyan);
  opacity:.75;
  flex:0 0 auto;
}
.breadcrumbs{
  list-style:none;
  margin:0 0 20px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 10px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:10px}
.breadcrumbs li + li::before{content:"/";color:rgba(140,154,148,.45)}
.breadcrumbs a{color:var(--mist)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--read)}

/* ---------- 正文 ---------- */
.prose{max-width:72ch;font-size:16px;line-height:1.75}
.prose p{margin:0 0 1.05em}
.prose h2{font-size:clamp(19px,2.2vw,24px);margin:1.6em 0 .5em}
.prose h3{font-size:clamp(17px,1.8vw,20px);margin:1.4em 0 .45em}
.prose strong{color:var(--read)}
.prose a{border-bottom:1px solid rgba(63,230,200,.4)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  background:transparent;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t),background var(--t),color var(--t);
}
.btn--cta{
  color:#1C1406;
  background:linear-gradient(180deg,#F2BB63,var(--amber));
  border-color:var(--amber);
  box-shadow:0 0 0 1px rgba(229,163,60,.32),0 12px 26px -16px rgba(229,163,60,.95);
}
.btn--cta:hover{
  color:#1C1406;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(229,163,60,.58),0 16px 32px -16px rgba(229,163,60,1);
}
.btn--ghost{
  color:var(--cyan);
  border-color:rgba(63,230,200,.42);
  background:rgba(63,230,200,.05);
}
.btn--ghost:hover{
  color:var(--read);
  border-color:var(--cyan);
  background:rgba(63,230,200,.12);
}

/* ---------- 卡片 / 读数 / 媒体容器 ---------- */
.card{
  background:var(--forest);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(16px,2.4vw,24px);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(63,230,200,.42);
  box-shadow:0 18px 36px -26px rgba(63,230,200,.65);
}

.stat{display:flex;flex-direction:column;gap:5px;min-width:0}
.stat__value{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--amber);
}
.stat__unit{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
}
.stat__label{
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
}

.media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:
    linear-gradient(180deg,rgba(30,59,52,.92),rgba(12,31,26,.95));
}
.media > img,
.media > svg,
.media > picture{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,transparent 52%,rgba(12,31,26,.78));
}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--portrait{aspect-ratio:4/5}
.media__caption{
  position:absolute;
  left:14px;
  right:14px;
  bottom:11px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mist);
}

/* ---------- 章节目录 ---------- */
.toc{display:flex;flex-direction:column;gap:12px}
.toc__title{
  margin:0;
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
}
.toc__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.toc__link{
  display:block;
  padding:8px 12px;
  border-radius:10px;
  border-left:1px solid var(--line-soft);
  font-size:14px;
  line-height:1.5;
  color:var(--mist);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.toc__link:hover{color:var(--read);background:rgba(63,230,200,.06)}
.toc__link[aria-current="true"]{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:rgba(63,230,200,.09);
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:50%;
  top:4px;
  z-index:120;
  transform:translate(-50%,-170%);
  padding:10px 20px;
  border-radius:0 0 12px 12px;
  background:var(--cyan);
  color:#06231D;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transition:transform var(--t);
}
.skip-link:focus{transform:translate(-50%,0);color:#06231D}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:14px clamp(12px,3vw,28px);
  transition:padding var(--t);
}
.header-shell{
  max-width:var(--shell);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,22px);
  padding:8px 10px 8px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:linear-gradient(180deg,rgba(18,22,26,.96),rgba(12,31,26,.92));
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.site-header[data-scrolled="true"]{padding-top:8px;padding-bottom:8px}
.site-header[data-scrolled="true"] .header-shell{
  border-color:rgba(63,230,200,.3);
  box-shadow:var(--shadow-2);
  background:linear-gradient(180deg,rgba(18,22,26,.99),rgba(12,31,26,.97));
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--read);
  text-decoration:none;
}
.brand__mark{
  position:relative;
  width:26px;
  height:26px;
  flex:0 0 auto;
  border-radius:8px;
  border:1px solid rgba(63,230,200,.5);
  background:linear-gradient(140deg,rgba(63,230,200,.35),transparent 60%),var(--forest);
  box-shadow:inset 0 0 12px rgba(63,230,200,.3);
}
.brand__mark::before,
.brand__mark::after{
  content:"";
  position:absolute;
  bottom:6px;
  width:2px;
  background:var(--cyan);
}
.brand__mark::before{left:8px;height:9px}
.brand__mark::after{left:14px;height:14px;background:var(--amber)}
.brand__text{display:flex;flex-direction:column;line-height:1.06}
.brand__name{
  font-family:var(--font-title);
  font-size:17px;
  font-weight:700;
  letter-spacing:.03em;
  white-space:nowrap;
}
.brand__locale{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--mist);
}

.site-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav__list{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav__item{margin:0}
.nav__link{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14px;
  line-height:1;
  color:var(--mist);
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--t),border-color var(--t),background var(--t),box-shadow var(--t);
}
.nav__link:hover{
  color:var(--read);
  background:rgba(63,230,200,.07);
  border-color:rgba(63,230,200,.28);
}
.nav__link[aria-current="page"]{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(63,230,200,.1);
  box-shadow:0 0 0 1px rgba(63,230,200,.14),0 0 18px -6px rgba(63,230,200,.55);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--read);
  font-size:13px;
  line-height:1;
  cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:rgba(63,230,200,.42);background:rgba(63,230,200,.06)}
.nav-toggle__bars{
  position:relative;
  width:16px;
  height:2px;
  flex:0 0 auto;
  background:currentColor;
  transition:background var(--t);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:currentColor;
  transition:transform var(--t),top var(--t);
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}
.nav-toggle__text{font-weight:600;letter-spacing:.04em}

.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.scope-switch{
  display:inline-flex;
  flex-direction:column;
  align-items:flex-start;
  gap:1px;
  padding:5px 13px;
  border-radius:12px;
  border:1px solid var(--line-soft);
  background:var(--forest);
  color:var(--read);
  text-align:left;
  cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.scope-switch:hover{border-color:var(--line-amber);background:rgba(30,59,52,.95)}
.scope-switch__label{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}
.scope-switch__value{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  line-height:1.25;
  color:var(--amber);
  transition:color var(--t);
}
body[data-scope="payout"] .scope-switch__value{color:var(--cyan)}

/* ---------- 滚动进度条（JS 注入） ---------- */
.scroll-bar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:2px;
  z-index:100;
  background:rgba(63,230,200,.08);
  pointer-events:none;
}
.scroll-bar i{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,9vw,104px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--ink) 0%,var(--char) 100%);
  color:var(--mist);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;
  gap:clamp(20px,3vw,40px);
  padding:clamp(38px,6vw,68px) 0 clamp(24px,4vw,42px);
}
.footer-col{min-width:0}
.footer-col--brand{max-width:34ch}
.brand--footer{margin-bottom:14px}
.brand--footer .brand__name{font-size:16px}
.footer-note{
  margin:0;
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}
.footer-contact{
  margin:14px 0 0;
  display:flex;
  flex-direction:column;
  gap:3px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--read);
}
.footer-col__title{
  margin:0 0 14px;
  font-family:var(--font-body);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.footer-links a{
  display:inline-block;
  font-size:14px;
  line-height:1.5;
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--t),border-color var(--t);
}
.footer-links a:hover{color:var(--read);border-bottom-color:rgba(63,230,200,.5)}

.footer-band{
  border-top:1px solid var(--line-soft);
  background:rgba(12,31,26,.62);
}
.footer-band__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  padding:15px 0 20px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.03em;
  color:var(--mist);
}
.footer-band__geo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--cyan);
  letter-spacing:.1em;
}
.footer-band__geo::before{
  content:"";
  width:36px;
  height:11px;
  flex:0 0 auto;
  background:var(--cyan);
  opacity:.5;
  clip-path:polygon(0% 100%,18% 32%,32% 70%,50% 0%,68% 58%,82% 24%,100% 100%);
}
.footer-band__item{color:var(--mist)}
.footer-band__right{
  margin-left:auto;
  display:inline-flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
}
.footer-band__contact{color:var(--read)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:80;
  width:46px;
  height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0;
  border-radius:50%;
  border:1px solid rgba(63,230,200,.4);
  background:var(--char);
  color:var(--cyan);
  cursor:pointer;
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t),border-color var(--t);
}
.to-top::before{
  content:"";
  width:9px;
  height:9px;
  border-left:2px solid currentColor;
  border-top:2px solid currentColor;
  transform:rotate(45deg) translate(1px,1px);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--forest);border-color:var(--cyan)}

/* ---------- 显现动画 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1);
}
.js [data-reveal][data-revealed="true"]{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}
  .footer-col--brand{grid-column:1 / -1;max-width:52ch}
}

@media (max-width:1000px){
  .nav-toggle{display:inline-flex}
  .header-shell{
    flex-wrap:wrap;
    border-radius:24px;
    padding:10px 12px;
    gap:10px;
  }
  .brand{flex:1 1 auto;min-width:0}
  .site-nav{
    order:5;
    flex:1 0 100%;
    display:none;
    justify-content:flex-start;
    padding-top:6px;
    border-top:1px solid var(--line-soft);
  }
  .site-nav[data-open="true"]{display:flex}
  .nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    width:100%;
  }
  .nav__link{
    display:block;
    padding:12px 14px;
    border-radius:12px;
    font-size:15px;
  }
  .scope-switch{display:none}
}

@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col--brand{grid-column:1 / -1}
  .footer-band__right{margin-left:0;width:100%}
}

@media (max-width:620px){
  body{font-size:15.5px}
  .btn--cta{padding:10px 14px;font-size:13px}
  .brand__name{font-size:15px}
  .brand__locale{letter-spacing:.14em}
  .footer-grid{grid-template-columns:1fr}
  .footer-band__inner{gap:6px 16px;font-size:11.5px}
  .to-top{width:42px;height:42px}
}

@media (max-width:400px){
  .nav-toggle__text{display:none}
}

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