/* ============================================================
   利来体育 · 共享样式 /assets/site.css
   1 变量  2 Reset 与中文排版  3 通用零件  4 头部  5 页脚
   6 焦点与动效降级
   ============================================================ */

/* ---------- 1 变量 ---------- */
:root{
  --blue:#0B1F33;
  --blue-2:#133A5A;
  --paper:#F4EBDD;
  --paper-2:#FBF5EA;
  --orange:#FF6A2B;
  --orange-soft:#FFD3B8;
  --teal:#3DF2C0;
  --ink:#211A17;
  --warm:#C9BFAF;
  --red:#C43D2A;
  --slate:#6B7F8C;
  --cut:14px;
  --cut-lg:22px;
  --shell-w:1180px;
  --gutter:clamp(16px,4vw,44px);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,ui-monospace,"Courier New",monospace;
  --hair:rgba(33,26,23,.16);
  --hair-light:rgba(244,235,221,.16);
  --cut-poly:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
  --cut-poly-sm:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));
  --cut-poly-lg:polygon(0 0,calc(100% - var(--cut-lg)) 0,100% var(--cut-lg),100% 100%,var(--cut-lg) 100%,0 calc(100% - var(--cut-lg)));
}

/* ---------- 2 Reset 与中文排版 ---------- */
*,*::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{list-style:none;padding:0}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(33,26,23,.055) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-weight:800;line-height:1.16;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(30px,5.2vw,58px);line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(23px,3.2vw,36px)}
h3{font-size:clamp(18px,2vw,23px)}
h4{font-size:17px}

::selection{background:var(--orange);color:#1B0E06}

/* ---------- 3 通用零件 ---------- */
.shell{width:min(calc(100% - var(--gutter) * 2),var(--shell-w));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.section{padding-block:clamp(32px,5vw,64px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:10px 20px;padding-bottom:12px;margin-bottom:clamp(16px,2.4vw,28px);
  border-bottom:1px solid var(--hair);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  color:var(--blue-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--orange);flex:0 0 auto}
.label{font-size:12px;letter-spacing:.08em;color:var(--slate);text-transform:uppercase}
.num{font-family:var(--mono);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}

.rule-slash{border:0;height:1px;margin-block:clamp(20px,3vw,34px);
  background:linear-gradient(90deg,var(--orange),rgba(33,26,23,.18) 58%,rgba(33,26,23,0));
  transform:rotate(-1.2deg)}
.trail{height:clamp(40px,7vw,90px);pointer-events:none;
  background:
    linear-gradient(102deg,transparent 0 44%,rgba(255,106,43,.85) 44% 45.2%,transparent 45.2% 54%,rgba(61,242,192,.7) 54% 54.8%,transparent 54.8%),
    linear-gradient(102deg,transparent 0 66%,rgba(11,31,51,.12) 66% 66.6%,transparent 66.6%);
}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;line-height:1.4;
  padding:4px 10px;background:var(--orange-soft);color:#3A1A08;
  clip-path:var(--cut-poly-sm);
}
.tag--live{background:var(--teal);color:#062018}
.tag--live::before{content:"";width:6px;height:6px;border-radius:50%;background:#062018;animation:tagPulse 1.6s ease-in-out infinite}
.tag--dark{background:var(--blue-2);color:var(--paper)}
@keyframes tagPulse{0%,100%{opacity:1}50%{opacity:.25}}

.panel{
  position:relative;background:var(--paper-2);
  border:1px solid var(--hair);
  padding:clamp(18px,2.4vw,28px);
  clip-path:var(--cut-poly);
}
.panel--dark{background:var(--blue);color:var(--paper);border-color:var(--hair-light)}
.panel--dark h2,.panel--dark h3{color:#fff}
.panel--lg{clip-path:var(--cut-poly-lg);padding:clamp(22px,3vw,38px)}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  clip-path:var(--cut-poly-sm);
  transition:transform .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn--primary{background:var(--orange);color:#1B0E06}
.btn--primary:hover{background:#FF8347}
.btn--ghost{background:transparent;border-color:rgba(33,26,23,.4);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:rgba(33,26,23,.05)}
.btn--ghost-dark{background:transparent;border-color:rgba(244,235,221,.42);color:var(--paper)}
.btn--ghost-dark:hover{border-color:var(--teal);color:var(--teal)}
.btn:hover{transform:translateY(-1px)}

.pill-bar{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.pill{
  font-family:inherit;font-size:13px;letter-spacing:.06em;
  padding:8px 15px;cursor:pointer;
  background:var(--paper-2);border:1px solid var(--warm);color:var(--ink);
  clip-path:var(--cut-poly-sm);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.pill:hover{background:var(--orange-soft);border-color:var(--orange)}
.pill[aria-pressed="true"],.pill[aria-current="true"]{
  background:var(--orange);border-color:var(--orange);color:#1B0E06;font-weight:700;
}
.pill--ghost{background:rgba(244,235,221,.08);border-color:rgba(244,235,221,.32);color:var(--paper)}
.is-filtered-out{display:none !important}

.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.2vw,28px)}

.prose{max-width:68ch}
.prose p{max-width:68ch}
.prose p+p{margin-top:1em}
.prose h2{margin-top:1.8em;margin-bottom:.5em}
.prose h3{margin-top:1.5em;margin-bottom:.4em}
.prose ul,.prose ol{margin-block:1em;padding-left:1.2em;list-style:disc}
.prose ol{list-style:decimal}
.prose li+li{margin-top:.4em}
.prose blockquote{
  margin-block:1.4em;padding:12px 18px;border-left:3px solid var(--orange);
  background:rgba(255,211,184,.35);color:#3A2F29;
}
.prose a{color:var(--blue-2);text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:3px}
.prose a:hover{color:var(--orange)}
.prose img{clip-path:var(--cut-poly);margin-block:1.4em}

.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--slate)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--warm)}
.breadcrumbs a:hover{color:var(--orange)}
.breadcrumbs [aria-current="page"]{color:var(--ink);font-weight:600}

/* 媒体容器基础规则：页面阶段放入 <img> 即可 */
.media-frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16 / 10;
  background:linear-gradient(155deg,var(--blue-2),var(--blue) 68%);
  clip-path:var(--cut-poly-lg);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:46%;
  background:linear-gradient(to top,rgba(11,31,51,.78),rgba(11,31,51,0));
  pointer-events:none;
}
.media-frame__tag{position:absolute;left:14px;top:14px;z-index:2}
.media-frame__caption{
  position:absolute;left:16px;right:16px;bottom:12px;z-index:2;
  color:var(--paper);font-size:13px;letter-spacing:.04em;line-height:1.5;
}

/* 进场显现 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .42s ease,transform .42s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 4 头部 ---------- */
.skip-link{
  position:fixed;left:16px;top:-90px;z-index:200;
  padding:10px 18px;font-size:14px;font-weight:700;
  background:var(--orange);color:#1B0E06;
  clip-path:var(--cut-poly-sm);
  transition:top .16s ease;
}
.skip-link:focus{top:14px}

.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#0C2136,#0A1B2C 88%);
  color:var(--paper);
  border-bottom:1px solid var(--hair-light);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--orange) 0 20%,var(--teal) 20% 27%,rgba(244,235,221,.18) 27% 100%);
}
.header-scan{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(102deg,transparent 0 60%,rgba(255,106,43,.18) 60% 61%,transparent 61% 74%,rgba(61,242,192,.14) 74% 74.7%,transparent 74.7%);
}
.header-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:76px;padding-block:10px;
}

.brand-link{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  position:relative;flex:0 0 auto;width:36px;height:36px;
  background:linear-gradient(150deg,var(--orange) 0 52%,rgba(255,106,43,0) 52%),var(--teal);
  clip-path:polygon(0 0,100% 0,100% 66%,66% 100%,0 100%);
}
.brand-mark::after{
  content:"";position:absolute;left:7px;right:7px;bottom:10px;height:2px;
  background:var(--blue);opacity:.55;transform:rotate(-12deg);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.04em;color:#fff;line-height:1.2}
.brand-edition{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  color:var(--teal);line-height:1.5;white-space:nowrap;
}

.primary-nav{display:flex;align-items:center;gap:clamp(14px,2vw,30px)}
.nav-list{display:flex;align-items:center;gap:clamp(12px,1.8vw,26px)}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 2px;font-size:14px;letter-spacing:.03em;
  color:rgba(244,235,221,.82);transition:color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--teal);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:#fff;font-weight:700}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--orange);height:3px}

.nav-quick{
  display:flex;align-items:center;gap:8px;
  padding-left:clamp(12px,1.8vw,24px);
  border-left:1px solid var(--hair-light);
}
.quick-link{
  display:inline-block;padding:6px 12px;
  font-size:12px;letter-spacing:.1em;
  color:var(--paper);border:1px solid rgba(244,235,221,.3);
  clip-path:var(--cut-poly-sm);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.quick-link:hover{background:var(--orange);border-color:var(--orange);color:#1B0E06}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;cursor:pointer;
  background:transparent;border:1px solid rgba(244,235,221,.34);
  font-size:12px;letter-spacing:.1em;color:var(--paper);
  clip-path:var(--cut-poly-sm);
}
.nav-toggle:hover{border-color:var(--teal);color:var(--teal)}
.nav-toggle-icon{position:relative;display:block;width:18px;height:12px}
.nav-toggle-icon::before,.nav-toggle-icon::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:var(--orange);
  transition:transform .18s ease,top .18s ease,bottom .18s ease;
}
.nav-toggle-icon::before{top:0}
.nav-toggle-icon::after{bottom:0}
.site-header[data-open="true"] .nav-toggle-icon::before{top:5px;transform:rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-icon::after{bottom:5px;transform:rotate(-45deg)}
.nav-toggle-label{line-height:1}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;height:3px;
  background:rgba(244,235,221,.12);
}
.scroll-progress-bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--orange),var(--teal));
  transition:width .12s linear;
}

/* ---------- 5 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--blue) 0%,#091A2B 100%);
  color:var(--paper);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(61,242,192,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.55;
}
.footer-slash{
  height:12px;
  background:repeating-linear-gradient(102deg,var(--orange) 0 10px,transparent 10px 28px);
  opacity:.9;
}
.footer-inner{position:relative;z-index:1;padding-block:clamp(30px,4.4vw,56px) 0}

.footer-top{
  display:grid;gap:clamp(24px,4vw,56px);
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
}
.footer-mark{
  display:block;width:32px;height:32px;margin-bottom:14px;
  background:linear-gradient(150deg,var(--orange) 0 52%,rgba(255,106,43,0) 52%),var(--teal);
  clip-path:polygon(0 0,100% 0,100% 66%,66% 100%,0 100%);
}
.footer-brandline{
  font-size:clamp(17px,2vw,21px);font-weight:800;letter-spacing:.01em;
  color:#fff;line-height:1.4;
}
.footer-note{
  margin-top:10px;max-width:34ch;
  font-size:13px;line-height:1.65;color:var(--warm);
}
.footer-nav{
  display:grid;gap:clamp(20px,3vw,36px);
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.footer-col-title{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  color:var(--teal);margin-bottom:14px;
}
.footer-links{display:grid;gap:10px}
.footer-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(244,235,221,.86);
  padding:2px 0;transition:color .16s ease,transform .16s ease;
}
.footer-link::before{
  content:"";width:12px;height:1px;background:var(--orange);opacity:.65;
  transition:width .16s ease,background-color .16s ease;
}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.footer-link:hover::before{width:20px;background:var(--teal)}
.footer-links--plain{gap:8px}
.footer-contact-line{
  font-size:13px;line-height:1.65;color:rgba(244,235,221,.78);
  max-width:40ch;
}
.footer-contact-line .num{font-size:14px;color:var(--paper);letter-spacing:.02em}

.footer-bottom{
  margin-top:clamp(28px,4vw,48px);
  padding-block:16px 22px;
  border-top:1px solid var(--hair-light);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;
}
.footer-legal{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--warm)}
.footer-meta{font-size:13px;color:var(--warm)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;cursor:pointer;
  background:transparent;border:1px solid rgba(244,235,221,.34);
  color:var(--paper);font-size:12px;letter-spacing:.1em;
  clip-path:var(--cut-poly-sm);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.to-top:hover{background:var(--orange);border-color:var(--orange);color:#1B0E06}

/* ---------- 6 焦点与动效降级 ---------- */
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.site-header :focus-visible,.site-footer :focus-visible{outline-color:var(--teal)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .brand-edition{font-size:10px;letter-spacing:.08em}
  .nav-quick{padding-left:12px;gap:6px}
  .quick-link{padding:5px 9px;font-size:11px}
}

@media (max-width:920px){
  .header-inner{min-height:64px}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px var(--gutter) 22px;
    background:linear-gradient(180deg,#0C2136,#0A1B2C);
    border-top:1px solid var(--hair-light);
    box-shadow:0 26px 46px rgba(4,12,20,.55);
    max-height:calc(100vh - 70px);overflow-y:auto;
    visibility:hidden;opacity:0;transform:translateY(-10px);
    transition:opacity .18s ease,transform .18s ease,visibility .18s;
  }
  .site-header[data-open="true"] .primary-nav{visibility:visible;opacity:1;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:block;padding:13px 2px;font-size:15px;
    border-bottom:1px solid rgba(244,235,221,.1);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--orange)}
  .nav-quick{
    flex-wrap:wrap;gap:8px;border-left:0;padding-left:0;
    margin-top:16px;padding-top:16px;
    border-top:1px solid var(--hair-light);
  }
  .quick-link{padding:8px 14px;font-size:12px}
  .brand-edition{display:none}

  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

@media (max-width:640px){
  .footer-nav{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .to-top{align-self:flex-start}
  .grid-12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand-name{font-size:17px}
  .brand-mark{width:32px;height:32px}
  .footer-slash{height:9px}
}