/* ============================================================
   八大胜体育 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ============================================================ */

/* --- 1. Reset --- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
hr{border:0;margin:0}

/* --- 2. 变量 --- */
:root{
  --night:#061428;
  --night-2:#04101F;
  --night-3:#020A14;
  --panel:#0B2447;
  --steel:#113C6B;
  --neon:#23E0D0;
  --violet:#7C4DFF;
  --coral:#FF6A3D;
  --score:#FFD166;
  --ice:#D6E4F5;
  --ink:#E9F2FF;
  --ink-2:#A6BCD8;
  --ink-3:#6C86A8;
  --on-coral:#180904;
  --wrap:1220px;
  --gut:clamp(16px,3.5vw,40px);
  --head-h:76px;
  --hair:1px solid rgba(214,228,245,.16);
  --font-head:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* --- 3. 基础排版（中文） --- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--night);
  background-image:
    radial-gradient(1200px 620px at 10% -12%, rgba(35,224,208,.10), transparent 62%),
    radial-gradient(960px 520px at 100% 0%, rgba(124,77,255,.16), transparent 60%),
    linear-gradient(180deg,var(--night) 0%, var(--night-2) 100%);
  background-attachment:fixed;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--ink);
}
p{word-break:break-word}
.num{
  font-family:var(--font-num);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.label{
  display:inline-block;
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--ink-3);
}
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:220;
  padding:10px 18px;background:var(--neon);color:var(--night);
  font-weight:800;font-size:14px;border-radius:2px;
  transition:top .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{top:12px}

/* --- 4. 容器与网格 --- */
.wrap{width:min(100% - (var(--gut) * 2),var(--wrap));margin-inline:auto}
.section{padding-block:clamp(34px,5.5vw,70px)}
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,26px)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* --- 5. 通用零件 --- */
.rule{height:1px;background:var(--steel);border:0}
.tick-row{
  height:12px;
  border-bottom:1px solid rgba(214,228,245,.22);
  background-image:repeating-linear-gradient(90deg,rgba(214,228,245,.34) 0 1px,transparent 1px 28px);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border:1px solid var(--steel);border-radius:2px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);
  background:rgba(11,36,71,.6);
  transition:color .18s,border-color .18s,background-color .18s;
}
.tag--violet{border-color:rgba(124,77,255,.55);color:#C9B8FF}
.tag--coral{border-color:rgba(255,106,61,.55);color:#FFB79C}
.tag--score{border-color:rgba(255,209,102,.5);color:var(--score)}
.tag.is-active{background:var(--neon);border-color:var(--neon);color:var(--night)}
.tag:hover{border-color:var(--neon);color:var(--ink)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:1px solid var(--steel);border-radius:2px;
  font-family:var(--font-head);font-weight:800;font-size:14px;letter-spacing:.04em;
  color:var(--ink);background:rgba(11,36,71,.5);
  transition:transform .18s ease,border-color .18s ease,background-color .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-2px);border-color:var(--neon);color:var(--neon)}
.btn--cta{background:var(--coral);border-color:var(--coral);color:var(--on-coral)}
.btn--cta:hover{background:#FF8259;border-color:#FF8259;color:var(--on-coral)}
.btn--ghost{background:transparent;border-color:rgba(214,228,245,.28)}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

.panel{
  background:linear-gradient(180deg,rgba(11,36,71,.92),rgba(6,20,40,.92));
  border:1px solid var(--steel);border-radius:2px;
  padding:clamp(16px,2.2vw,26px);
}
.card{
  position:relative;display:block;
  padding:clamp(16px,2.2vw,24px);
  background:linear-gradient(180deg,rgba(11,36,71,.9),rgba(6,20,40,.92));
  border:1px solid rgba(214,228,245,.14);border-radius:2px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover,.card:focus-visible{
  transform:translateY(-3px);
  border-color:var(--neon);
  box-shadow:0 14px 30px -20px rgba(35,224,208,.75);
}
.card__label{display:block;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--neon)}
.card__title{margin-top:10px;font-family:var(--font-head);font-weight:900;font-size:20px;line-height:1.25;color:var(--ink)}
.card__meta{margin-top:10px;font-size:13.5px;color:var(--ink-3)}

.band{
  border-top:1px solid var(--steel);
  border-bottom:1px solid var(--steel);
  background:linear-gradient(90deg,rgba(35,224,208,.08),rgba(124,77,255,.09) 52%,rgba(255,106,61,.08));
  padding-block:clamp(16px,2.6vw,26px);
}
.frame{
  position:relative;
  border:1px solid rgba(214,228,245,.2);
  background:linear-gradient(180deg,rgba(11,36,71,.55),rgba(6,20,40,.4));
  padding:clamp(18px,3vw,36px);
}
.frame::before,.frame::after{
  content:"";position:absolute;width:16px;height:16px;pointer-events:none;
}
.frame::before{top:-1px;left:-1px;border-top:3px solid var(--neon);border-left:3px solid var(--neon)}
.frame::after{bottom:-1px;right:-1px;border-bottom:3px solid var(--coral);border-right:3px solid var(--coral)}
.frame--ticks{padding-top:clamp(22px,3.4vw,42px)}
.frame--ticks>.tick-row{position:absolute;left:0;right:0;top:0}

.page-head{padding-block:clamp(22px,3.4vw,40px)}
.page-title{font-size:clamp(30px,4.6vw,56px)}
.page-lead{margin-top:14px;max-width:62ch;color:var(--ink-2);font-size:17px}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:clamp(18px,2.6vw,32px);
}
.sec-title{font-size:clamp(24px,3.2vw,36px)}
.sec-kicker{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--violet)}

.crumbs{padding-block:14px;font-size:13px;letter-spacing:.06em;color:var(--ink-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--steel)}
.crumbs a:hover{color:var(--neon)}
.crumbs [aria-current="page"]{color:var(--ink-2)}

.prose{max-width:70ch;font-size:17px;line-height:1.8;color:var(--ink-2)}
.prose>*+*{margin-top:1em}
.prose h2{margin-top:1.7em;font-size:clamp(22px,2.6vw,30px);color:var(--ink)}
.prose h3{margin-top:1.4em;font-size:19px;color:var(--ink)}
.prose strong{color:var(--ink)}
.prose a{color:var(--neon);border-bottom:1px solid rgba(35,224,208,.45)}
.prose ul li{position:relative;padding-left:18px;margin-top:.5em}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--coral)}
.prose blockquote{border-left:3px solid var(--violet);padding-left:16px;color:var(--ink-3)}

/* 图片容器基础规则 */
.media{
  position:relative;overflow:hidden;border-radius:2px;
  border:1px solid rgba(214,228,245,.16);
  background:linear-gradient(160deg,var(--panel),var(--night));
}
.media>img,.media>picture>img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--band{aspect-ratio:21/9}
.media__tag{
  position:absolute;left:0;bottom:0;
  padding:6px 12px;background:rgba(6,20,40,.82);
  border-top:1px solid var(--neon);border-right:1px solid var(--neon);
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--neon);
}
.figure{margin:0}
.figure__cap{margin-top:10px;font-size:13px;color:var(--ink-3)}

/* 横向滚动带（赛季横滑） */
.scroller{
  display:flex;gap:clamp(14px,2vw,22px);
  overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x proximity;
  scrollbar-color:var(--neon) rgba(214,228,245,.12);
  scrollbar-width:thin;
}
.scroller>*{scroll-snap-align:start;flex:0 0 auto}
.scroller::-webkit-scrollbar{height:8px}
.scroller::-webkit-scrollbar-track{background:rgba(214,228,245,.1)}
.scroller::-webkit-scrollbar-thumb{background:var(--neon)}
[data-scroller]{cursor:grab}
[data-dragging]{cursor:grabbing;user-select:none}

/* 滚动进度条 */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--neon),var(--violet),var(--coral));
  transition:width .12s linear;pointer-events:none;
}

/* 显现 */
html.js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
html.js [data-reveal].is-in{opacity:1;transform:none}

/* 焦点 */
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:2px}

/* --- 6. 页头 --- */
.site-head{
  position:sticky;top:0;z-index:120;
  background:rgba(6,20,40,.84);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(35,224,208,.28);
}
.site-head::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--violet) 46%,var(--coral));
  opacity:.9;
}
.site-head__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:var(--head-h);padding-block:10px;
}
.brand{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__mark{
  font-family:var(--font-head);font-weight:900;
  font-size:clamp(19px,2.1vw,24px);letter-spacing:.01em;line-height:1.1;color:var(--ink);
}
.brand__mark::after{
  content:"";display:inline-block;width:8px;height:8px;margin-left:8px;
  background:var(--neon);vertical-align:2px;
}
.brand__coord{
  font-family:var(--font-num);font-size:11px;letter-spacing:.14em;
  color:var(--ink-3);white-space:nowrap;
}
.head-right{display:flex;align-items:center;gap:clamp(12px,1.8vw,26px)}
.nav__list{display:flex;align-items:center;gap:clamp(12px,1.6vw,24px)}
.nav__link{
  position:relative;display:inline-block;padding:8px 2px;
  font-size:15px;font-weight:700;color:var(--ink-2);
  transition:color .18s ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;
  background:var(--neon);transition:right .2s ease;
}
.nav__link:hover,.nav__link:focus-visible{color:var(--ink)}
.nav__link:hover::after,.nav__link:focus-visible::after{right:0}
.nav__link[aria-current="page"]{color:var(--neon)}
.nav__link[aria-current="page"]::after{right:0;background:var(--coral)}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;border:1px solid var(--steel);border-radius:2px;
  font-family:var(--font-head);font-weight:800;font-size:13px;
  letter-spacing:.1em;color:var(--ink-2);
  transition:color .18s,border-color .18s;
}
.nav-toggle:hover{color:var(--ink);border-color:var(--neon)}
.nav-toggle__bars{position:relative;width:16px;height:2px;background:currentColor}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"]{color:var(--neon);border-color:var(--neon)}

/* --- 7. 页脚 --- */
.site-foot{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  color:var(--ink-2);
  background:linear-gradient(180deg,var(--night-2),var(--night-3));
  border-top:1px solid rgba(35,224,208,.34);
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:0;height:10px;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(214,228,245,.24) 0 1px,transparent 1px 32px);
  opacity:.55;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.35fr .9fr .9fr 1.6fr;
  gap:clamp(22px,3vw,48px);
  padding-block:clamp(34px,5vw,64px);
}
.foot-col{min-width:0}
.foot-brand{
  font-family:var(--font-head);font-weight:900;font-size:22px;
  letter-spacing:.01em;color:var(--ink);
}
.foot-brand::before{
  content:"";display:inline-block;width:10px;height:10px;margin-right:9px;
  background:var(--neon);vertical-align:1px;
}
.foot-slogan{margin-top:10px;font-size:14px;color:var(--ink-3);max-width:26ch}
.foot-icp{
  display:inline-block;margin-top:16px;padding:4px 10px;
  border:1px solid rgba(214,228,245,.16);border-radius:2px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--ink-3);
}
.foot-title{
  margin-bottom:14px;
  font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--neon);
}
.foot-list{display:grid;gap:10px;font-size:14px}
.foot-list a{
  color:var(--ink-2);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.foot-list a:hover,.foot-list a:focus-visible{color:var(--neon);border-bottom-color:var(--neon)}
.foot-list--plain{gap:12px}
.foot-list--plain li{display:flex;gap:10px;align-items:baseline}
.foot-key{
  flex:0 0 auto;min-width:36px;
  font-size:12px;letter-spacing:.1em;color:var(--ink-3);
}
.foot-val{font-size:13.5px;color:var(--ink-2);word-break:break-word}
.foot-bar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding-block:18px;border-top:1px solid rgba(214,228,245,.12);
  font-size:12.5px;color:var(--ink-3);
}
.foot-copy{margin:0}
.foot-bar-note{margin:0}

/* --- 8. 响应式 --- */
@media (max-width:1024px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .span-3,.span-4{grid-column:span 6}
  .span-5,.span-6,.span-7,.span-8{grid-column:span 12}
}
@media (max-width:900px){
  :root{--head-h:66px}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    padding:16px var(--gut) 22px;
    background:rgba(6,20,40,.98);
    border-bottom:1px solid rgba(35,224,208,.34);
    box-shadow:0 22px 40px -28px rgba(0,0,0,.9);
  }
  .nav[data-open]{display:block}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__item+.nav__item{border-top:1px solid rgba(214,228,245,.1)}
  .nav__link{display:block;width:100%;padding:14px 2px;font-size:16px}
  .nav__link::after{display:none}
  .nav__link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--coral);padding-left:12px}
  .nav-toggle{display:inline-flex}
  .head-right{gap:12px}
  .brand__coord{font-size:10px;letter-spacing:.1em}
}
@media (max-width:640px){
  body{font-size:16px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 12}
  .brand__coord{display:none}
  .btn{padding:10px 15px;font-size:13px}
  .foot-bar{flex-direction:column;align-items:flex-start}
}

/* --- 9. 动效可访问性 --- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html.js [data-reveal]{opacity:1 !important;transform:none !important}
  .card:hover{transform:none}
  .btn:hover{transform:none}
  .scroll-progress{transition:none}
}