/* ===== 球王会体育 · 共享样式 /assets/site.css ===== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit}
a{color:inherit}

:root{
  --ink:#0B1F1A;
  --carbon:#111417;
  --lime:#C8FF3D;
  --orange:#FF6B2C;
  --steel:#6E8794;
  --mist:#A9B6B0;
  --paper:#F3F6EE;
  --slate:#1C2A31;
  --alert:#FF8A5B;
  --line:rgba(110,135,148,.26);
  --line-strong:rgba(110,135,148,.46);
  --glass:rgba(255,255,255,.10);
  --glass-soft:rgba(255,255,255,.05);
  --shadow:0 24px 60px rgba(0,0,0,.40);
  --gutter:clamp(14px,3.2vw,32px);
  --max:1240px;
  --r-s:10px;
  --r-m:18px;
  --r-l:28px;
  --r-pill:999px;
  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono","Noto Sans Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --font-body:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}

body{
  background:
    radial-gradient(1100px 560px at 84% -12%, rgba(110,135,148,.16), transparent 62%),
    radial-gradient(900px 480px at -8% 8%, rgba(200,255,61,.07), transparent 60%),
    var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  min-height:100vh;
}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.04;letter-spacing:.02em}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

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

/* ---------- 排版原子 ---------- */
.display{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,7vw,112px);line-height:.9;letter-spacing:.02em}
.section{padding-block:clamp(40px,6vw,80px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 24px;margin-bottom:clamp(20px,3vw,34px)}
.section-title{font-size:clamp(30px,4.4vw,56px);margin:0}
.section-lead{max-width:62ch;color:var(--mist);font-size:clamp(15px,1.5vw,17px);line-height:1.75}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--lime)}
.annotation{writing-mode:vertical-rl;text-orientation:mixed;font-size:11px;letter-spacing:.18em;color:var(--steel);line-height:1}
.annotation--rotate{writing-mode:horizontal-tb;transform:rotate(-3deg);transform-origin:left bottom;font-size:11px;letter-spacing:.18em;color:var(--steel)}

/* ---------- 堆叠面板 ---------- */
.stack{display:grid;gap:24px}
.stack-panel{
  position:relative;
  background:var(--carbon);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:clamp(22px,3vw,40px);
  box-shadow:var(--shadow);
}
.stack-panel::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  border-radius:var(--r-l) var(--r-l) 0 0;
  background:linear-gradient(90deg,var(--lime),rgba(200,255,61,0) 55%);
  opacity:.55;
}
.stack-panel--inset{margin-inline-start:clamp(0px,2vw,24px)}
.divider{height:1px;border:0;background:var(--line);margin:clamp(20px,3vw,32px) 0}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(14px,2vw,22px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--collage{grid-template-columns:5fr 3fr 2fr}

.layout-rail{display:grid;grid-template-columns:minmax(148px,2fr) minmax(0,10fr);gap:clamp(20px,3vw,36px)}
.rail{position:sticky;top:110px;align-self:start;display:grid;gap:8px;padding-right:clamp(8px,1.5vw,18px);border-right:1px solid var(--line)}
.rail-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--steel);text-transform:uppercase;margin-bottom:4px}
.rail-list{display:grid;gap:4px}
.rail-link{
  display:block;
  padding:9px 12px;
  border-radius:var(--r-s);
  border-left:2px solid transparent;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--mist);
  text-decoration:none;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.rail-link:hover{background:var(--glass-soft);color:var(--paper)}
.rail-link[aria-current="page"]{background:rgba(200,255,61,.12);border-left-color:var(--lime);color:var(--lime)}

/* ---------- 卡片 ---------- */
.card{background:var(--carbon);border:1px solid var(--line);border-radius:var(--r-m);padding:clamp(16px,2.2vw,24px)}
.card--glass{background:var(--glass);border-color:rgba(255,255,255,.18);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.card--solid{background:var(--slate);border-color:var(--line-strong)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  background:transparent;
  color:var(--paper);
  font-size:14px;font-weight:600;letter-spacing:.04em;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--lime{background:var(--lime);color:#0B1F1A}
.btn--lime:hover{filter:brightness(1.08)}
.btn--orange{background:var(--orange);color:#1A0A03}
.btn--orange:hover{filter:brightness(1.06)}
.btn--ghost{border-color:var(--line-strong);background:var(--glass-soft);color:var(--paper);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--mist);
  font-size:12px;letter-spacing:.08em;line-height:1.5;
}
.chip--lime{border-color:rgba(200,255,61,.5);background:rgba(200,255,61,.10);color:var(--lime)}
.chip--orange{border-color:rgba(255,107,44,.5);background:rgba(255,107,44,.12);color:var(--orange)}
.chip--steel{border-color:var(--line-strong);background:rgba(110,135,148,.14);color:var(--mist)}
.badge{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;padding:3px 8px;border-radius:6px;background:var(--slate);color:var(--paper);border:1px solid var(--line)}

/* ---------- 数字概览 ---------- */
.stat{display:grid;gap:4px}
.stat-num{font-family:var(--font-mono);font-size:clamp(26px,4vw,46px);line-height:1;letter-spacing:-.02em;color:var(--lime)}
.stat-label{font-size:12px;letter-spacing:.16em;color:var(--mist)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin-block:clamp(16px,2.4vw,26px)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;color:var(--mist)}
.breadcrumbs li{display:flex;align-items:center;gap:6px}
.breadcrumbs li+li::before{content:"/";color:var(--steel)}
.breadcrumbs a{color:var(--mist);text-decoration:none;transition:color .18s var(--ease)}
.breadcrumbs a:hover{color:var(--lime)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 正文容器 ---------- */
.prose{max-width:68ch;color:var(--paper);font-size:16.5px;line-height:1.8}
.prose>*+*{margin-top:1.05em}
.prose h2{font-size:clamp(24px,3vw,34px);margin-top:1.8em}
.prose h3{font-size:clamp(19px,2.2vw,24px);margin-top:1.5em;color:var(--paper)}
.prose p{color:rgba(243,246,238,.9)}
.prose ul,.prose ol{display:grid;gap:.5em;padding-left:1.2em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{color:rgba(243,246,238,.9)}
.prose a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--paper)}
.prose blockquote{border-left:2px solid var(--lime);padding-left:16px;color:var(--mist)}

/* ---------- 标签页 / 分段切换 ---------- */
.tabs{display:block}
.tablist{display:flex;flex-wrap:wrap;gap:6px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:20px}
.tab{
  appearance:none;-webkit-appearance:none;
  padding:8px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;color:var(--mist);
  font-size:13px;letter-spacing:.06em;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tab:hover{color:var(--paper);border-color:var(--line-strong);background:var(--glass-soft)}
.tab[aria-selected="true"]{background:var(--lime);border-color:var(--lime);color:#0B1F1A;font-weight:600}
.tabpanel{display:none}
.tabpanel.is-active{display:block}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background-color:var(--slate);
  background-image:
    repeating-linear-gradient(90deg, rgba(110,135,148,.16) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(110,135,148,.12) 0 1px, transparent 1px 56px),
    linear-gradient(150deg, rgba(200,255,61,.10), rgba(11,31,26,0) 60%);
}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--ultrawide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-tag{
  position:absolute;left:12px;bottom:12px;
  padding:5px 11px;border-radius:var(--r-pill);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--lime);
  background:rgba(11,31,26,.66);
  border:1px solid rgba(200,255,61,.42);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}

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

/* ================= 页头 ================= */
.skip-link{
  position:absolute;left:var(--gutter);top:-80px;z-index:300;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--lime);color:#0B1F1A;
  font-size:13px;font-weight:700;letter-spacing:.06em;text-decoration:none;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:10px}

.site-header{position:sticky;top:0;z-index:120;display:block}

.header-utility{
  max-height:64px;overflow:hidden;
  background:var(--carbon);
  border-bottom:1px solid var(--line);
  transition:max-height .26s var(--ease),opacity .22s var(--ease);
}
.utility-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 18px;
  padding-block:8px;
  font-size:12px;letter-spacing:.06em;color:var(--mist);
}
.utility-item{display:inline-flex;align-items:center;gap:8px;line-height:1.5}
.utility-item--alt{color:var(--orange)}
.utility-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,255,61,.16);flex:none}

.nav-shell{padding-block:10px;transition:padding .24s var(--ease)}
.nav-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:8px 10px 8px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 18px 40px rgba(0,0,0,.34);
}

.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand-mark{
  width:34px;height:34px;flex:none;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--lime),#8ED11F);
  color:#08150F;
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--font-display);font-size:18px;letter-spacing:.06em;color:var(--paper)}
.brand-sub{font-size:10.5px;letter-spacing:.18em;color:var(--steel);margin-top:2px}

.nav-panel{display:flex;align-items:center;gap:8px;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;
  padding:9px 12px;
  border-radius:var(--r-pill);
  font-size:13.5px;letter-spacing:.03em;
  color:var(--mist);text-decoration:none;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-link:hover{background:var(--glass-soft);color:var(--paper)}
.nav-link[aria-current="page"]{background:var(--lime);color:#0B1F1A;font-weight:600}
.nav-action{
  flex:none;
  margin-left:6px;
  padding:10px 16px;
  border-radius:var(--r-pill);
  background:var(--orange);color:#1A0A03;
  font-size:13px;font-weight:700;letter-spacing:.04em;text-decoration:none;white-space:nowrap;
  transition:filter .18s var(--ease),transform .18s var(--ease);
}
.nav-action:hover{filter:brightness(1.07);transform:translateY(-1px)}

.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:42px;height:42px;flex:none;
  border-radius:13px;
  border:1px solid var(--line-strong);
  background:var(--glass-soft);
  cursor:pointer;
}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--paper);transition:background .2s var(--ease)}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--paper);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.site-header[data-open="true"] .nav-toggle-bars{background:transparent}
.site-header[data-open="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}

.site-header[data-scrolled="true"] .header-utility{max-height:0;opacity:0;border-bottom-color:transparent}
.site-header[data-scrolled="true"] .nav-shell{padding-block:6px}

.scroll-meter{height:2px;background:rgba(110,135,148,.18);margin-top:6px;overflow:hidden}
.scroll-meter-bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--lime),var(--orange));transition:width .12s linear}

/* ================= 页脚 ================= */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,7vw,96px);
  padding-block:clamp(40px,5vw,64px) 22px;
  background:var(--carbon);
  border-top:1px solid var(--line);
}
.footer-glow{
  position:absolute;right:-8%;top:-40%;
  width:min(560px,72vw);aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,61,.16),rgba(200,255,61,0) 66%);
  pointer-events:none;
}
.site-footer .container{position:relative}

.footer-top{
  display:grid;
  grid-template-columns:1.15fr .75fr .75fr .75fr 1.35fr;
  gap:clamp(20px,3vw,40px);
  padding-bottom:clamp(26px,3.4vw,40px);
  border-bottom:1px solid var(--line);
}
.footer-brand-block{display:grid;gap:12px;align-content:start}
.footer-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.footer-brand-name{font-family:var(--font-display);font-size:19px;letter-spacing:.06em;color:var(--paper)}
.footer-tagline{font-size:13px;line-height:1.7;color:var(--mist);letter-spacing:.02em;max-width:26ch}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}

.footer-col{display:grid;gap:12px;align-content:start}
.footer-col-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel);font-weight:400}
.footer-links{display:grid;gap:8px}
.footer-link{
  display:inline-block;
  font-size:13.5px;letter-spacing:.03em;color:var(--mist);
  text-decoration:none;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(2px)}
.footer-link[aria-current="page"]{color:var(--lime)}

.footer-contact{min-width:0}
.contact-card{
  display:grid;gap:12px;
  padding:clamp(16px,2.2vw,22px);
  border-radius:var(--r-m);
  border:1px solid rgba(255,255,255,.18);
  background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.contact-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--lime)}
.contact-list{display:grid;gap:10px}
.contact-row{display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;align-items:start}
.contact-label{font-size:11px;letter-spacing:.14em;color:var(--steel);padding-top:2px}
.contact-value{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0}
.contact-text{font-size:13px;line-height:1.6;color:var(--paper);word-break:break-word}
.copy-btn{
  flex:none;
  padding:3px 10px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.06);
  color:var(--mist);
  font-size:11px;letter-spacing:.08em;cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.copy-btn:hover{color:var(--lime);border-color:rgba(200,255,61,.5);background:rgba(200,255,61,.12)}
.contact-note{font-size:12px;line-height:1.7;color:var(--steel)}
.copy-status{font-size:12px;letter-spacing:.04em;color:var(--lime);min-height:0}
.copy-status:empty{display:none}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  padding-top:18px;
  font-size:12px;letter-spacing:.08em;color:var(--steel);
}
.footer-legal,.footer-copy{margin:0}

/* ================= 响应式 ================= */
@media (max-width:1180px){
  .footer-top{grid-template-columns:1.1fr .8fr .8fr 1.4fr}
  .footer-contact{grid-column:1 / -1}
  .contact-card{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));align-items:start}
  .contact-title{grid-column:1 / -1}
  .contact-list{grid-column:1 / -1}
  .contact-note{grid-column:1 / -1}
}

@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .nav-inner{padding:8px 10px 8px 12px}
  .nav-panel{
    position:absolute;
    left:0;right:0;top:calc(100% + 10px);
    display:grid;
    gap:10px;
    padding:12px;
    border-radius:20px;
    border:1px solid var(--line-strong);
    background:rgba(17,20,23,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
    max-height:min(70vh,520px);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
  }
  .site-header[data-open="true"] .nav-panel{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{display:block;padding:12px 14px;border-radius:12px;font-size:14px;white-space:normal}
  .nav-action{margin-left:0;text-align:center;padding:12px 16px}
  .layout-rail{grid-template-columns:1fr}
  .rail{position:static;border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px}
  .rail-list{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto;gap:6px;padding-bottom:4px}
  .rail-link{border-left:0;border-bottom:2px solid transparent;border-radius:10px}
  .rail-link[aria-current="page"]{border-left:0;border-bottom-color:var(--lime)}
}

@media (max-width:900px){
  .grid--collage{grid-template-columns:1fr 1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand-block{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
}

@media (max-width:640px){
  body{font-size:15.5px}
  .utility-inner{font-size:11px;padding-block:7px}
  .utility-item--alt{display:none}
  .grid--2,.grid--3,.grid--collage{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .contact-row{grid-template-columns:1fr;gap:2px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .stack-panel--inset{margin-inline-start:0}
}

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