/* ============================================================
   华体育主站 · 共享样式  /assets/site.css
   夜场跑道体系：深墨蓝压场，橙红与青绿撞色，荧光黄做锚点
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
html[data-motion="reduced"]{scroll-behavior:auto}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse;width:100%}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#0B1B2B;
  --ink-2:#12283D;
  --ember:#E4572E;
  --ember-deep:#B63A1B;
  --jade:#0F8B7E;
  --jade-soft:#7FD1C4;
  --track:#F5FF4F;
  --paper:#F4EFE6;
  --black:#101010;
  --mist:#8FA3B5;

  --line-soft:rgba(244,239,230,.14);
  --line-strong:rgba(244,239,230,.28);
  --shadow-hard:8px 8px 0 rgba(0,0,0,.55);
  --shadow-hard-sm:4px 4px 0 rgba(0,0,0,.5);

  --font-display:"Source Han Serif SC","Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow","Franklin Gothic Medium","Helvetica Neue",Impact,sans-serif;

  --w:1280px;
  --pad:clamp(16px,4vw,48px);
  --bar-h:76px;
}

/* ---------- 3. 基础排版 ---------- */
body{
  background-color:var(--ink);
  background-image:repeating-linear-gradient(115deg,rgba(127,209,196,.045) 0 2px,transparent 2px 26px);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--track);color:var(--ink)}

h1,.h1,h2,.h2{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;line-height:1.12;text-wrap:balance}
h1,.h1{font-size:clamp(2.4rem,5.6vw,4.6rem);line-height:1.05}
h2,.h2{font-size:clamp(1.8rem,3.4vw,2.9rem)}
h3,.h3{font-family:var(--font-sans);font-weight:700;font-size:clamp(1.2rem,1.8vw,1.55rem);line-height:1.35;letter-spacing:0}
h4,.h4{font-family:var(--font-sans);font-weight:700;font-size:1.05rem;line-height:1.5}

p{line-height:1.75}
small{font-size:13px;letter-spacing:.04em}
strong{font-weight:700;color:var(--track)}

a{color:var(--jade-soft);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--track)}

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

.num{font-family:var(--font-num);font-weight:700;font-size:clamp(2rem,5vw,4.2rem);line-height:.9;letter-spacing:-.01em;color:var(--track)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--jade-soft)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--ember);flex:0 0 auto}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:400;
  transform:translateY(-180%);
  padding:12px 22px;
  background:var(--track);color:var(--ink);
  font-weight:700;font-size:15px;letter-spacing:.06em;
  border:2px solid var(--ink);
  box-shadow:var(--shadow-hard-sm);
  transition:transform .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0);color:var(--ink);outline:3px solid var(--ember);outline-offset:2px}
.skip-link:hover{color:var(--ink)}

/* ---------- 5. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  --bar-h:76px;
  background:linear-gradient(180deg,#0E2337 0%,var(--ink) 80%);
  border-bottom:1px solid var(--line-soft);
  box-shadow:0 2px 0 rgba(0,0,0,.5);
}
.site-header[data-compact]{--bar-h:58px}

.header-bar{
  width:100%;max-width:var(--w);margin:0 auto;
  padding:0 var(--pad);
  min-height:var(--bar-h);
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(12px,2vw,32px);
  transition:min-height .22s ease;
}

.brand{
  display:inline-flex;align-items:center;gap:12px;
  padding:6px 0;flex:0 0 auto;
  color:var(--paper);
}
.brand:hover{color:var(--paper)}
.brand-name{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.35rem,2.2vw,1.75rem);
  line-height:1;letter-spacing:.08em;
}
.brand-lamp{
  width:14px;height:14px;flex:0 0 auto;border-radius:50%;
  background:linear-gradient(140deg,var(--ember) 0 50%,var(--jade) 50% 100%);
  box-shadow:0 0 0 3px rgba(228,87,46,.2),0 0 14px rgba(228,87,46,.6);
  animation:lampPulse 3.4s ease-in-out infinite;
}
@keyframes lampPulse{0%,100%{opacity:1}50%{opacity:.5}}

.site-nav{flex:1 1 auto;display:flex;justify-content:flex-end;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{flex:0 0 auto}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;
  font-size:15px;letter-spacing:.06em;line-height:1.4;
  color:rgba(244,239,230,.82);
  border-bottom:3px solid transparent;
  transition:color .16s ease,border-color .16s ease,background-color .16s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--track);border-bottom-color:var(--ember)}
.nav-link[aria-current="page"]{
  color:var(--track);
  border-bottom-color:var(--track);
  background:rgba(245,255,79,.08);
  font-weight:700;
}

.nav-toggle{
  display:none;
  width:48px;height:44px;padding:0;
  align-items:center;justify-content:center;
  background:var(--ember);
  border:2px solid var(--ember-deep);
  box-shadow:3px 3px 0 rgba(0,0,0,.55);
  cursor:pointer;
  transition:transform .16s ease,background-color .16s ease;
}
.nav-toggle:hover{background:#F0663C}
.nav-toggle:active{transform:translate(2px,2px);box-shadow:1px 1px 0 rgba(0,0,0,.55)}
.nav-toggle-bars{position:relative;display:block;width:22px;height:2px;background:var(--ink);transition:background-color .18s ease}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);
  transition:transform .2s ease;
}
.nav-toggle-bars::before{top:-7px}
.nav-toggle-bars::after{top:7px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-7px) rotate(-45deg)}

.status-strip{
  background:var(--ink-2);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.status-inner{
  width:100%;max-width:var(--w);margin:0 auto;
  padding:7px var(--pad);
  display:flex;align-items:center;gap:clamp(14px,3vw,34px);
  font-size:12.5px;letter-spacing:.06em;color:var(--mist);
  overflow-x:auto;scrollbar-width:none;
  transition:padding .22s ease;
}
.status-inner::-webkit-scrollbar{display:none}
.site-header[data-compact] .status-inner{padding-top:5px;padding-bottom:5px}
.status-item{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;flex:0 0 auto}
.status-item--current{color:var(--paper)}
.status-now{color:var(--track);font-weight:700}
.status-dot{width:7px;height:7px;border-radius:50%;flex:0 0 auto;background:var(--mist)}
.status-dot--ember{background:var(--ember);box-shadow:0 0 6px rgba(228,87,46,.9)}
.status-dot--jade{background:var(--jade-soft)}
.status-dot--track{background:var(--track);box-shadow:0 0 8px rgba(245,255,79,.8)}

.progress-rail{height:4px;background:rgba(244,239,230,.1)}
.progress-fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--jade) 0%,var(--jade-soft) 35%,var(--track) 65%,var(--ember) 100%);
  transition:width .12s linear;
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink);
  color:var(--paper);
  border-top:3px solid var(--ember);
  padding-bottom:clamp(24px,4vw,44px);
}
.footer-mark{
  height:12px;
  background:repeating-linear-gradient(115deg,var(--ember) 0 16px,var(--jade) 16px 32px,var(--ink-2) 32px 50px);
  opacity:.9;
  margin-bottom:clamp(28px,4vw,54px);
}
.footer-inner{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,.85fr) minmax(0,.85fr) minmax(0,1.3fr);
  gap:clamp(24px,3vw,48px);
}
.footer-col{min-width:0}

.footer-brand{
  display:inline-block;
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.5rem,2.6vw,2rem);
  letter-spacing:.08em;line-height:1.1;
  color:var(--paper);
  border-bottom:3px solid var(--ember);
  padding-bottom:5px;
}
.footer-brand:hover{color:var(--track)}
.footer-text{margin-top:16px;font-size:15px;line-height:1.7;color:rgba(244,239,230,.88);max-width:34ch}
.footer-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--mist);max-width:40ch}

.footer-title{
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
  font-family:var(--font-num);font-weight:700;
  font-size:14px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--jade-soft);
}
.footer-title::before{content:"";width:14px;height:3px;background:var(--ember);flex:0 0 auto}

.footer-links{display:grid;gap:9px}
.footer-link{
  display:inline-block;
  font-size:15px;letter-spacing:.04em;color:rgba(244,239,230,.82);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .16s ease,border-color .16s ease;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--track);border-bottom-color:var(--ember)}

.footer-contact-line{
  font-size:14.5px;letter-spacing:.02em;line-height:1.6;
  color:rgba(244,239,230,.9);
  margin-bottom:8px;
  overflow-wrap:anywhere;
}
.footer-contact-line--num{
  font-family:var(--font-num);font-weight:700;
  font-size:1.45rem;line-height:1.2;letter-spacing:.06em;
  color:var(--track);
}

.footer-meta{
  margin-top:clamp(28px,4vw,48px);
  padding-top:18px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  font-size:12.5px;letter-spacing:.05em;color:var(--mist);
}
.footer-copy{margin:0}
.footer-icp{margin:0;font-family:var(--font-num);letter-spacing:.1em;color:rgba(244,239,230,.72)}

/* ---------- 7. 布局容器与主题带 ---------- */
.u-container{width:100%;max-width:var(--w);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}

.section-band{position:relative;padding:clamp(44px,6vw,88px) 0}
.section-band--paper{background:var(--paper);color:var(--black)}
.section-band--paper h1,.section-band--paper h2,.section-band--paper h3{color:var(--black)}
.section-band--paper a{color:var(--ember-deep)}
.section-band--paper a:hover{color:var(--ember)}
.section-band--paper .eyebrow{color:var(--ember-deep)}
.section-band--ink2{background:var(--ink-2)}
.section-band--ember{background:var(--ember);color:var(--ink)}
.section-band--ember h1,.section-band--ember h2,.section-band--ember h3{color:var(--ink)}
.section-band--ember a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.section-band--ember .eyebrow{color:var(--ink)}
.section-band--ember .eyebrow::before{background:var(--ink)}

.rule-slash{
  height:6px;
  background:linear-gradient(90deg,var(--ember) 0%,var(--ember) 55%,var(--jade) 55%,var(--jade) 100%);
  transform:skewY(-1.1deg);
  margin:clamp(24px,4vw,48px) 0;
}

/* ---------- 8. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:14px 26px;
  font-family:var(--font-sans);font-weight:700;font-size:15px;letter-spacing:.08em;
  color:var(--ink);
  background:var(--paper);
  border:2px solid var(--ink);
  box-shadow:var(--shadow-hard-sm);
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.6);border-color:var(--track);color:var(--ink)}
.btn:active{transform:translate(1px,1px);box-shadow:2px 2px 0 rgba(0,0,0,.6)}
.btn--ember{background:var(--ember);border-color:var(--ember-deep);color:var(--ink)}
.btn--ember:hover{background:#F0663C;border-color:var(--track);color:var(--ink)}
.btn--jade{background:var(--ink-2);border-color:var(--jade);color:var(--jade-soft)}
.btn--jade:hover{background:var(--jade);border-color:var(--track);color:var(--ink)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--paper)}
.btn--ghost:hover{background:rgba(245,255,79,.1);border-color:var(--track);color:var(--track)}

/* ---------- 9. 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  font-family:var(--font-num);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  border:2px solid currentColor;
  line-height:1.5;
}
.tag--ember{color:var(--ember)}
.tag--jade{color:var(--jade-soft)}
.tag--track{color:var(--track)}

/* ---------- 10. 面包屑 ---------- */
.breadcrumb{padding:clamp(16px,2.4vw,26px) 0 0;font-size:13px;letter-spacing:.06em;color:var(--mist)}
.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(--ember);font-family:var(--font-num);font-weight:700}
.breadcrumb a{color:var(--mist);border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--track);border-bottom-color:var(--ember)}
.breadcrumb [aria-current="page"]{color:var(--paper);font-weight:700}

/* ---------- 11. 长文排版 ---------- */
.prose{max-width:72ch;font-size:17px;line-height:1.85;color:rgba(244,239,230,.9)}
.prose>*+*{margin-top:1.15em}
.prose h2{margin-top:1.9em;font-size:clamp(1.5rem,2.4vw,2rem);color:var(--paper)}
.prose h3{margin-top:1.6em;color:var(--jade-soft)}
.prose p{margin:0}
.prose ul,.prose ol{padding-left:1.35em}
.prose ul{list-style:square}
.prose ol{list-style:decimal}
.prose li{margin-top:.5em}
.prose li::marker{color:var(--ember)}
.prose strong{color:var(--track)}
.prose blockquote{
  margin:1.6em 0;padding:14px 20px;
  border-left:4px solid var(--ember);
  background:rgba(18,40,61,.85);
  color:rgba(244,239,230,.92);
  font-family:var(--font-display);font-size:1.05rem;
}
.prose table{font-size:15px;margin-top:1.4em}
.prose th,.prose td{padding:10px 12px;border:1px solid var(--line-strong);text-align:left}
.prose th{background:rgba(18,40,61,.9);font-family:var(--font-num);letter-spacing:.08em;color:var(--jade-soft)}
.section-band--paper .prose{color:rgba(16,16,16,.88)}
.section-band--paper .prose h2{color:var(--black)}
.section-band--paper .prose h3{color:var(--jade)}
.section-band--paper .prose strong{color:var(--ember-deep)}
.section-band--paper .prose blockquote{background:rgba(228,87,46,.1);color:var(--black)}
.section-band--paper .prose th{background:rgba(11,27,43,.08);color:var(--ember-deep)}
.section-band--paper .prose th,.section-band--paper .prose td{border-color:rgba(16,16,16,.25)}

/* ---------- 12. 图片容器 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background:var(--ink-2);
  border:3px solid var(--ink-2);
  box-shadow:var(--shadow-hard-sm);
}
.media-frame img,
.media-frame video{
  display:block;width:100%;height:100%;object-fit:cover;
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(125deg,rgba(228,87,46,.18) 0%,transparent 55%),
    repeating-linear-gradient(115deg,rgba(11,27,43,.28) 0 2px,transparent 2px 10px);
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--banner{aspect-ratio:21/9}
.media-frame--ember{border-color:var(--ember);box-shadow:6px 6px 0 rgba(182,58,27,.6)}
.media-frame__cap{
  position:absolute;left:0;bottom:0;z-index:2;
  max-width:100%;
  padding:6px 12px;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.12em;
  border-top:2px solid var(--track);
}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,40px)}
  .footer-text,.footer-note{max-width:none}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;z-index:130;
    display:none;flex-direction:column;justify-content:flex-start;
    background:var(--ink-2);
    border-top:3px solid var(--ember);
    border-bottom:3px solid var(--ember);
    box-shadow:0 20px 44px rgba(0,0,0,.6);
    padding:10px var(--pad) 24px;
    max-height:calc(100vh - 90px);
    overflow-y:auto;
  }
  .site-nav[data-open]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-item{width:100%}
  .nav-link{
    display:block;width:100%;
    padding:15px 8px;
    font-size:17px;
    border-bottom:1px solid var(--line-soft);
    border-left:4px solid transparent;
  }
  .nav-link:hover,.nav-link:focus-visible{border-bottom-color:var(--line-soft)}
  .nav-link[aria-current="page"]{
    border-left-color:var(--track);
    border-bottom-color:var(--line-soft);
    background:rgba(245,255,79,.09);
  }
  .header-bar{--bar-h:64px}
  .site-header[data-compact]{--bar-h:56px}
}

@media (max-width:620px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .status-inner{font-size:12px;gap:16px}
  .brand-name{letter-spacing:.06em}
  .media-frame--banner{aspect-ratio:16/9}
}

/* ---------- 14. 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;
  }
  .brand-lamp{animation:none;opacity:1}
  .progress-fill{transition:none}
  .btn:hover{transform:none}
}