/* ===== 8868看台 · 共享样式 /assets/site.css ===== */

:root{
  --ink:#0A1732;
  --ink-deep:#050C1E;
  --indigo:#1C1B4B;
  --teal:#07333C;
  --wine:#5E1526;
  --cyan:#2FF5CE;
  --signal:#FF7A2F;
  --shot:#FF4D6D;
  --white:#EEF4FF;
  --mist:#93A6C8;
  --line:#24355E;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-data:"JetBrains Mono","DIN Next","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1320px;
  --gut:24px;
  --header-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::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,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}

html,body{min-height:100%}

body{
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 70% at 8% 0%, rgba(7,51,60,.75), transparent 60%),
    radial-gradient(90% 60% at 100% 4%, rgba(28,27,75,.9), transparent 62%);
  background-repeat:no-repeat;
  color:var(--white);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:auto -10% auto -10%;
  top:-24vh;
  height:110vh;
  background:
    radial-gradient(46% 38% at 76% 12%, rgba(47,245,206,.16), transparent 72%),
    radial-gradient(38% 32% at 10% 4%, rgba(255,122,47,.13), transparent 74%);
  pointer-events:none;
  z-index:0;
}

main,.site-header,.site-footer,.skip-link{position:relative;z-index:1}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

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

.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:300;
  padding:10px 18px;
  background:var(--cyan);
  color:var(--ink-deep);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  transform:translateY(-220%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 轮次公告带 ---------- */
.round-ticker{
  background:var(--wine);
  border-bottom:1px solid rgba(255,77,109,.4);
  overflow:hidden;
  max-height:64px;
  opacity:1;
  transition:max-height .36s var(--ease),opacity .28s var(--ease),border-color .3s;
}
.round-ticker[data-collapsed]{
  max-height:0;
  opacity:0;
  border-bottom-color:transparent;
}
.round-ticker__inner{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:10px var(--gut);
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  letter-spacing:.03em;
}
.round-ticker__pulse{
  flex:0 0 auto;
  width:8px;
  height:8px;
  background:var(--signal);
  animation:ticker-pulse 1.2s ease-in-out infinite;
}
.round-ticker__label{
  flex:0 0 auto;
  padding:2px 8px;
  border:1px solid rgba(238,244,255,.32);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--white);
}
.round-ticker__text{
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:rgba(238,244,255,.84);
}
.round-ticker__link{
  flex:0 0 auto;
  color:var(--signal);
  font-weight:700;
  white-space:nowrap;
  text-decoration:underline;
  text-underline-offset:4px;
}
.round-ticker__link:hover{color:var(--white)}

@keyframes ticker-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.35;transform:scale(.72)}
}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,rgba(5,12,30,.97),rgba(10,23,50,.9));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.scroll-line{
  position:absolute;
  left:0;
  bottom:-1px;
  height:2px;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--signal));
  transition:width .1s linear;
}
.site-header__inner{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 var(--gut);
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  padding:8px 0;
  flex:0 0 auto;
}
.brand__mark{
  display:inline-block;
  padding:6px 10px;
  background:var(--cyan);
  color:var(--ink-deep);
  font-family:var(--font-data);
  font-size:22px;
  font-weight:700;
  letter-spacing:.06em;
  line-height:1;
}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__name{font-size:17px;font-weight:900;letter-spacing:-.01em}
.brand__line{
  font-size:11px;
  letter-spacing:.18em;
  color:var(--mist);
}

.site-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__list a{
  position:relative;
  display:block;
  padding:10px 14px;
  font-size:14px;
  font-weight:500;
  letter-spacing:.05em;
  color:var(--mist);
  transition:color .2s var(--ease);
}
.site-nav__list a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:1px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease),background-color .22s;
}
.site-nav__list a:hover{color:var(--white)}
.site-nav__list a:hover::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]{color:var(--white)}
.site-nav__list a[aria-current="page"]::after{
  transform:scaleX(1);
  height:2px;
  background:var(--signal);
}
.site-nav__actions{display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border:1px solid var(--line);
  color:var(--white);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:10px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:1.5px;
  background:var(--cyan);
  transition:transform .2s var(--ease),top .2s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{top:8px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:4px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:4px;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  line-height:1;
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--signal{background:var(--signal);color:var(--ink-deep)}
.btn--signal:hover{background:var(--cyan);color:var(--ink-deep)}
.btn--cyan{background:var(--cyan);color:var(--ink-deep)}
.btn--cyan:hover{background:var(--white)}
.btn--ghost{border-color:var(--line);color:var(--mist)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--block{width:100%}

/* ---------- 布局容器 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 var(--gut);
}

.section{padding:clamp(56px,8vw,112px) 0;position:relative}
.section--tight{padding:clamp(32px,5vw,64px) 0}
.section__head{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:28px;
}

.grid{display:grid;gap:32px}
.grid--3-7{grid-template-columns:3fr 7fr}
.grid--2-9{grid-template-columns:2fr 9fr}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr))}

.rail{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  align-self:start;
  border-left:1px solid var(--line);
  padding-left:18px;
}
.rail__title{
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--cyan);
  margin-bottom:14px;
}
.rail__list{display:flex;flex-direction:column;gap:2px}
.rail__item{
  display:block;
  padding:8px 0;
  font-size:14px;
  color:var(--mist);
  border-bottom:1px solid rgba(36,53,94,.6);
  transition:color .2s var(--ease);
}
.rail__item:hover{color:var(--white)}
.rail__item[aria-current="page"]{color:var(--signal)}

/* ---------- 文字 ---------- */
.display-1{
  font-family:var(--font-display);
  font-size:clamp(40px,7vw,96px);
  font-weight:900;
  line-height:1.02;
  letter-spacing:-.02em;
}
.display-2{
  font-family:var(--font-display);
  font-size:clamp(30px,4vw,56px);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
}
.display-3{
  font-family:var(--font-display);
  font-size:clamp(22px,2.4vw,32px);
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.01em;
}
.lede{
  font-size:clamp(17px,1.6vw,20px);
  line-height:1.75;
  color:rgba(238,244,255,.82);
  max-width:34em;
}
.text-muted{color:var(--mist)}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--cyan);
}
.vnote{
  writing-mode:vertical-rl;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--mist);
  user-select:none;
}
.rule{
  height:1px;
  border:0;
  background:var(--line);
  margin:32px 0;
}
.tag{
  display:inline-block;
  padding:3px 10px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--cyan);
  border:1px solid rgba(47,245,206,.42);
}
.tag--signal{color:var(--signal);border-color:rgba(255,122,47,.46)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"／";color:var(--line)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--white)}

/* ---------- 数据 ---------- */
.stat-row{display:flex;flex-wrap:wrap;gap:32px}
.stat{display:flex;flex-direction:column;gap:6px;min-width:0}
.stat__value{
  font-family:var(--font-data);
  font-size:clamp(36px,5vw,72px);
  font-weight:700;
  line-height:1;
  letter-spacing:.02em;
  color:var(--white);
}
.stat__value.is-cyan{color:var(--cyan)}
.stat__value.is-signal{color:var(--signal)}
.stat__value.is-shot{color:var(--shot)}
.stat__label{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--mist);
}

/* ---------- 色块面板 ---------- */
.panel{
  padding:clamp(20px,2.4vw,32px);
  border:1px solid var(--line);
  background:rgba(28,27,75,.34);
}
.panel--indigo{background:var(--indigo);border-color:transparent}
.panel--teal{background:var(--teal);border-color:transparent}
.panel--wine{background:var(--wine);border-color:transparent}
.panel--deep{background:var(--ink-deep);border-color:var(--line)}

/* ---------- 标签分段 ---------- */
.tabs{display:block}
.tablist{
  display:flex;
  flex-wrap:wrap;
  border-bottom:1px solid var(--line);
}
.tab{
  padding:12px 20px;
  font-size:14px;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--mist);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.tab:hover{color:var(--white);background:rgba(47,245,206,.06)}
.tab[aria-selected="true"]{
  color:var(--white);
  border-bottom-color:var(--signal);
  background:linear-gradient(180deg,rgba(255,122,47,0),rgba(255,122,47,.14));
}
.tabpanel{padding:28px 0;animation:panel-in .2s var(--ease) both}

@keyframes panel-in{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}

/* ---------- 图片容器（供页面阶段使用） ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--teal);
  border:1px solid var(--line);
}
.media::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(47,245,206,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,245,206,.09) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--tall{aspect-ratio:3 / 4}
.media__img{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media__caption{
  margin-top:10px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}

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

/* ---------- 复制按钮 ---------- */
.copy-btn{
  margin-left:8px;
  padding:2px 8px;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mist);
  border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.copy-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.copy-btn[data-copied]{background:var(--cyan);border-color:var(--cyan);color:var(--ink-deep)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(64px,10vw,140px);
  background:var(--ink-deep);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,var(--cyan),rgba(47,245,206,0) 42%,var(--signal));
}
.site-footer__grid{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:64px var(--gut) 40px;
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.5fr;
  gap:40px;
}
.site-footer__brand{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.site-footer__title{
  font-size:16px;
  font-weight:900;
  letter-spacing:-.01em;
}
.site-footer__region{
  font-size:13px;
  line-height:1.8;
  color:var(--mist);
  max-width:22em;
}
.footer-col{min-width:0}
.footer-col__title{
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--cyan);
  margin-bottom:16px;
}
.footer-col__list{display:flex;flex-direction:column;gap:10px}
.footer-col__list a{
  font-size:14px;
  color:rgba(238,244,255,.78);
  transition:color .2s var(--ease);
}
.footer-col__list a:hover{color:var(--cyan)}
.footer-col--contact .footer-col__list{gap:12px}
.footer-col__meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--mist);
  word-break:break-all;
}
.site-footer__base{
  border-top:1px solid var(--line);
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:20px var(--gut) 32px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.site-footer__legal{
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(147,166,200,.8);
}

/* ---------- 响应式：平板 ---------- */
@media (max-width:1100px){
  .site-nav{gap:14px}
  .site-nav__list a{padding:10px 10px;font-size:13px}
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .grid--3-7,.grid--2-9{grid-template-columns:1fr}
  .grid--thirds{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- 响应式：移动 ---------- */
@media (max-width:920px){
  :root{--gut:18px;--header-h:64px}

  .nav-toggle{display:inline-flex}

  .site-nav{
    position:fixed;
    left:12px;
    right:12px;
    bottom:12px;
    z-index:90;
    display:block;
    max-height:min(78vh,560px);
    overflow:auto;
    padding:18px;
    background:var(--indigo);
    border:1px solid var(--line);
    box-shadow:0 -24px 64px rgba(0,0,0,.6);
    opacity:0;
    visibility:hidden;
    transform:translateY(calc(100% + 28px));
    transition:transform .28s var(--ease),opacity .24s var(--ease),visibility .28s;
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__list a{
    padding:14px 12px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .site-nav__list a::after{left:12px;right:auto;width:22px;bottom:8px}
  .site-nav__list a[aria-current="page"]{background:rgba(255,122,47,.12)}
  .site-nav__actions{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    margin-top:18px;
  }
  .site-nav__actions .btn{padding:14px 12px}

  .site-header__inner{gap:12px}
  .brand__mark{font-size:18px;padding:5px 8px}
  .brand__name{font-size:15px}
  .brand__line{font-size:10px;letter-spacing:.14em}

  .round-ticker__text{display:none}
  .round-ticker__inner{justify-content:space-between}

  .grid--halves,.grid--thirds{grid-template-columns:1fr}
  .grid{gap:24px}
  .rail{position:static;border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:16px}
  .stat-row{gap:22px}
  .site-footer__grid{grid-template-columns:1fr;padding:48px var(--gut) 32px;gap:32px}
  .site-footer__base{flex-direction:column;align-items:flex-start}
}

@media (max-width:480px){
  .tab{padding:10px 14px;font-size:13px}
  .stat__value{font-size:clamp(30px,10vw,44px)}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .scroll-line{transition:none}
}