/* =========================================================
   奇异果体育 · 共享站点样式 /assets/site.css
   ========================================================= */

/* 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;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
::selection{background:var(--lime);color:var(--seed-black)}

/* 2. Tokens ------------------------------------------------ */
:root{
  --seed-black:#0E1310;
  --deep-green:#15251C;
  --flesh:#4FC94B;
  --lime:#C9FF3D;
  --skin:#8A5A32;
  --paper:#F2F0E9;
  --mist:#DCEBD8;
  --mute:#9AA39B;
  --cyan:#00E0A4;

  --line:rgba(154,163,155,.22);
  --line-lime:rgba(201,255,61,.28);
  --line-skin:rgba(138,90,50,.55);

  --font-display:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --wrap:1360px;
  --gutter:clamp(18px,3.4vw,44px);
  --header-h:78px;
  --header-h-slim:56px;
  --radius:20px;
  --radius-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* 3. Base typography --------------------------------------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--paper);
  background:var(--seed-black);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.06;
}
p{max-width:34em}
:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:2px;
}

/* 4. Utilities --------------------------------------------- */
.u-sr{
  position:absolute;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;
}
.mono{font-family:var(--font-mono);letter-spacing:.08em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--flesh);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime)}
.wrap{
  width:100%;max-width:var(--wrap);
  margin-inline:auto;padding-inline:var(--gutter);
}
.link{
  color:var(--lime);
  border-bottom:1px solid rgba(201,255,61,.42);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link:hover{color:var(--cyan);border-color:var(--cyan)}

/* 5. Skip link --------------------------------------------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 16px;
  background:var(--lime);color:var(--seed-black);
  font-weight:800;font-size:14px;
  border-radius:3px;
  transform:translateY(-160%);
  transition:transform .2s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0);outline-color:var(--paper)}

/* 6. 视口边框 ---------------------------------------------- */
.frame-edge{
  position:fixed;inset:0;z-index:70;pointer-events:none;
  border:1px solid rgba(201,255,61,.14);
}
.frame-edge::before,
.frame-edge::after{
  content:"";position:absolute;width:16px;height:16px;
  border:2px solid var(--lime);
}
.frame-edge::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.frame-edge::after{bottom:-1px;right:-1px;border-left:0;border-top:0}

/* 7. Header ------------------------------------------------ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,19,16,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.header-bar{
  position:relative;
  max-width:var(--wrap);
  margin-inline:auto;
  min-height:var(--header-h);
  padding:12px var(--gutter);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto auto;
  align-items:center;
  gap:clamp(12px,2vw,32px);
  transition:min-height .28s var(--ease),padding .28s var(--ease);
}
.header-bar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-conic-gradient(from 200deg at 86% -30%,
    rgba(79,201,75,.13) 0 4deg, rgba(79,201,75,0) 4deg 9deg);
  opacity:.7;
}
.header-bar>*{position:relative;z-index:1}

/* brand */
.brand{min-width:0}
.brand-link{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  background-color:var(--flesh);
  background-image:
    radial-gradient(circle at 50% 50%, var(--paper) 0 20%, rgba(242,240,233,0) 21%),
    radial-gradient(circle, var(--seed-black) 0 1.1px, rgba(14,19,16,0) 1.5px),
    repeating-conic-gradient(from 0deg,
      rgba(79,201,75,1) 0 9deg, rgba(56,166,54,1) 9deg 18deg);
  background-size:100% 100%, 8px 8px, 100% 100%;
  background-position:center, center, center;
  box-shadow:inset 0 0 0 1px rgba(14,19,16,.55);
  transition:transform .38s var(--ease);
}
.brand-mark--lg{width:44px;height:44px}
.brand-link:hover .brand-mark{transform:rotate(18deg) scale(1.04)}
.brand-text{display:flex;flex-direction:column;line-height:1.12;min-width:0}
.brand-name{
  font-family:var(--font-display);font-weight:800;
  font-size:19px;letter-spacing:-.02em;white-space:nowrap;
}
.brand-meta{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.13em;
  color:var(--mute);white-space:nowrap;
}

/* primary nav */
.primary-nav{min-width:0}
.nav-list{
  display:flex;align-items:center;justify-content:center;
  gap:clamp(6px,1.1vw,20px);
}
.nav-item{min-width:0}
.nav-link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 2px;
  font-size:15px;font-weight:500;letter-spacing:.01em;
  color:rgba(242,240,233,.82);
  white-space:nowrap;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--lime);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--lime);transform:translateY(-2px)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--lime);font-weight:700}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  box-shadow:0 0 10px rgba(201,255,61,.65);
}
.nav-index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;
  color:var(--mute);
}
.nav-link[aria-current="page"] .nav-index{color:var(--flesh)}
.nav-note{
  display:none;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mute);
}

/* header tools */
.header-tools{display:flex;align-items:center;gap:10px}
.cta-tool{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 18px;
  background:var(--lime);color:var(--seed-black);
  font-weight:800;font-size:14px;letter-spacing:.02em;
  white-space:nowrap;
  border-radius:2px 14px 2px 14px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.cta-tool:hover{background:var(--flesh);transform:translateY(-2px)}
.version-chip{
  display:inline-flex;align-items:center;
  padding:3px 7px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;
  color:var(--mute);
  border:1px solid var(--line);border-radius:3px;
  white-space:nowrap;
}

/* toggle */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 12px;
  border:1px solid var(--line-lime);border-radius:4px;
  background:rgba(21,37,28,.9);
  color:var(--paper);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle-bars span{
  display:block;height:2px;border-radius:1px;background:var(--lime);
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.site-header[data-open] .nav-toggle-bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* progress */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  pointer-events:none;
}
.scroll-progress>span{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--flesh),var(--lime) 55%,var(--cyan));
}

/* scrolled / compressed */
.site-header[data-scrolled]{background:rgba(14,19,16,.98)}
.site-header[data-scrolled] .header-bar{
  min-height:var(--header-h-slim);
  padding-block:6px;
}
.site-header[data-scrolled] .brand-mark{width:30px;height:30px}
.site-header[data-scrolled] .brand-meta{display:none}

/* 8. Footer ------------------------------------------------ */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  background:var(--deep-green);
  color:var(--paper);
  border-top:1px solid var(--line-lime);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:-32%;right:-12%;
  width:min(640px,74vw);aspect-ratio:1;border-radius:50%;
  background:repeating-conic-gradient(from 0deg,
    rgba(79,201,75,.18) 0 6deg, rgba(79,201,75,0) 6deg 12deg);
  -webkit-mask-image:radial-gradient(circle,#000 28%,transparent 70%);
  mask-image:radial-gradient(circle,#000 28%,transparent 70%);
  opacity:.55;pointer-events:none;
}
.footer-inner{
  position:relative;z-index:1;
  max-width:var(--wrap);margin-inline:auto;
  padding:clamp(40px,6vw,76px) var(--gutter) clamp(28px,4vw,52px);
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:clamp(28px,5vw,72px);
}
.footer-col{min-width:0}
.footer-col--brand{display:block}
.footer-col--contact{display:flex;flex-direction:column;gap:16px}
.footer-brand{display:inline-flex;align-items:center;gap:12px}
.footer-brand-name{
  font-family:var(--font-display);font-weight:800;
  font-size:22px;letter-spacing:-.02em;
}
.footer-tagline{
  margin-top:16px;max-width:30ch;
  font-size:16px;line-height:1.7;
  color:rgba(242,240,233,.78);
}
.footer-edition{
  margin-top:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mute);
}
.footer-nav{margin-top:clamp(20px,3vw,34px)}
.footer-nav-list{display:flex;flex-wrap:wrap;gap:6px 22px}
.footer-nav-list a{
  position:relative;display:inline-block;padding:4px 0;
  font-size:15px;color:rgba(242,240,233,.86);
  transition:color .2s var(--ease);
}
.footer-nav-list a::before{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--lime);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.footer-nav-list a:hover{color:var(--lime)}
.footer-nav-list a:hover::before{transform:scaleX(1)}
.footer-title{
  font-family:var(--font-mono);font-weight:700;
  font-size:11px;letter-spacing:.16em;
  color:var(--flesh);
}
.footer-contact-list{display:grid;gap:14px}
.footer-contact-list li{
  display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:12px;align-items:baseline;
  padding-bottom:12px;
  border-bottom:1px dashed rgba(154,163,155,.25);
}
.footer-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;
  color:var(--mute);
}
.footer-value{
  font-size:15px;color:var(--paper);
  overflow-wrap:anywhere;
}
.footer-note{
  font-size:13px;line-height:1.7;
  color:rgba(242,240,233,.6);
  max-width:40ch;
}
.footer-bar{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  background:rgba(14,19,16,.55);
}
.footer-bar-inner{
  max-width:var(--wrap);margin-inline:auto;
  padding:16px var(--gutter);
  display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 24px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--mute);
}
.footer-copy{color:rgba(242,240,233,.72)}
.footer-icp{color:rgba(242,240,233,.72)}
.footer-region{flex:1 1 240px;min-width:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px;margin-left:auto}
.footer-legal a{
  color:rgba(242,240,233,.82);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-legal a:hover{color:var(--lime);border-color:var(--lime)}

/* 9. 通用内容组件 ------------------------------------------ */
.section{
  position:relative;
  padding-block:clamp(48px,7vw,96px);
}
.section--paper{background:var(--paper);color:var(--seed-black)}
.section--green{background:var(--deep-green);color:var(--paper)}

.split{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,4vw,64px);
  align-items:start;
}
@media (min-width:920px){
  .split{grid-template-columns:minmax(0,38fr) minmax(0,62fr)}
}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;
  font-weight:700;font-size:15px;
  border:1px solid transparent;
  border-radius:2px 16px 2px 16px;
  transition:background .2s var(--ease),color .2s var(--ease),
             border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--lime);color:var(--seed-black)}
.btn--primary:hover{background:var(--flesh);color:var(--seed-black)}
.btn--ghost{border-color:var(--line-lime);color:var(--paper);background:transparent}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.09em;
  color:var(--flesh);
  background:rgba(79,201,75,.08);
  border:1px solid var(--line-lime);border-radius:3px;
}
.tag--lime{background:var(--lime);color:var(--seed-black);border-color:transparent}

.card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--deep-green);
  border:1px solid var(--line);
  border-radius:var(--radius-sm) var(--radius) var(--radius-sm) var(--radius);
}
.card-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:14px;
}
.card-num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--flesh);
}

.stat{display:grid;gap:4px}
.stat-value{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(30px,4vw,52px);line-height:1;letter-spacing:-.02em;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mute);
}

/* 10. 图片容器 --------------------------------------------- */
.media{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--deep-green),#0b1a12);
  border-radius:var(--radius);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--cut{clip-path:polygon(0 0,100% 4%,100% 100%,0 96%)}
.media--tall{aspect-ratio:3/4}
.media--wide{aspect-ratio:21/9}
.media-caption{
  margin-top:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--mute);
}
.media-grid{
  display:grid;gap:clamp(12px,2vw,22px);
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}

/* 11. 面包屑 ----------------------------------------------- */
.breadcrumb{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--mute);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--skin)}
.breadcrumb a{border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.breadcrumb a:hover{color:var(--lime);border-color:var(--lime)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* 12. 滚动显现 --------------------------------------------- */
[data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* 13. 响应式 ----------------------------------------------- */
@media (max-width:1180px){
  .brand-meta{display:none}
}
@media (max-width:1020px){
  .header-bar{
    grid-template-columns:minmax(0,1fr) auto auto;
    gap:10px;
    padding-block:10px;
  }
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;
    padding:10px var(--gutter) 22px;
    background:var(--deep-green);
    border-top:1px solid var(--line-lime);
    border-bottom:1px solid var(--line-lime);
    box-shadow:0 24px 44px rgba(0,0,0,.45);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .site-header[data-open] .primary-nav{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    width:100%;justify-content:flex-start;
    padding:15px 4px;
    font-size:17px;
    border-bottom:1px solid rgba(154,163,155,.16);
  }
  .nav-link::after{display:none}
  .nav-link:hover{transform:none}
  .nav-link[aria-current="page"]{
    box-shadow:inset 3px 0 0 var(--lime);
    padding-left:12px;
  }
  .nav-note{display:block;margin-top:18px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-legal{margin-left:0}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.72}
  .brand-mark{width:32px;height:32px}
  .brand-name{font-size:17px}
  .cta-tool{padding:10px 14px;font-size:13px}
  .version-chip{display:none}
  .footer-contact-list li{grid-template-columns:48px minmax(0,1fr)}
  .footer-bar-inner{font-size:10px;gap:8px 16px}
}
@media (max-width:400px){
  .nav-toggle-text{display:none}
}

/* 14. 降级动效 --------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .btn:hover,.cta-tool:hover,.nav-link:hover,
  .brand-link:hover .brand-mark{transform:none}
}