/* ==========================================================================
   九州体育 · 官方站 共享样式表  /assets/site.css
   深夜赛场指挥室：深墨蓝基底 + 荧光青锚点 + 暖橙数据次强调
   ========================================================================== */

:root{
  --abyss:#070C14;
  --ink:#0A1220;
  --panel:#141D2B;
  --grid:#22304A;
  --cyan:#2FE6D0;
  --cyan-deep:#1FA79A;
  --amber:#FF8A3D;
  --white:#F2F6FA;
  --mist:#A8B3C4;
  --grad:linear-gradient(90deg,#2FE6D0 0%,#FF8A3D 100%);

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

  --shell:1440px;
  --pad:clamp(18px,5vw,88px);
  --r-lg:32px;
  --r-md:18px;
  --r-sm:10px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,picture,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
p{margin:0}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-display);font-weight:900;color:var(--white);line-height:1.15;letter-spacing:-0.02em}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 排版工具 ---------- */
.display{font-size:clamp(40px,6vw,88px);line-height:1.02;letter-spacing:-0.02em}
.section-title{font-size:clamp(28px,3.6vw,48px)}
.lede{font-size:clamp(16px,1.4vw,19px);line-height:1.75;color:var(--mist);max-width:56ch}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.v-annotation{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.3em;
  color:var(--cyan);
}

.chapter-mark{
  position:absolute;
  right:0;
  top:-0.12em;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(120px,16vw,200px);
  line-height:0.8;
  color:var(--grid);
  opacity:.6;
  pointer-events:none;
  user-select:none;
  z-index:0;
}

/* ---------- 布局容器 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}
.section{position:relative;padding-block:clamp(56px,8vw,120px)}
.section-head{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:clamp(28px,4vw,52px);
  z-index:1;
}
.section-index{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.38em;
  text-transform:uppercase;
  color:var(--cyan);
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}

/* ---------- 正文 ---------- */
.prose{max-width:68ch}
.prose p{font-size:16.5px;line-height:1.8;color:var(--mist)}
.prose p + p{margin-top:1.4em}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(47,230,208,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose h2{font-size:clamp(22px,2.4vw,32px);margin-top:2em;margin-bottom:.6em}
.prose h3{font-size:19px;margin-top:1.6em;margin-bottom:.5em}
.prose ul{display:grid;gap:10px;margin-top:1em}
.prose ul li{position:relative;padding-left:20px;color:var(--mist)}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.85em;
  width:8px;height:2px;background:var(--amber);
}

/* ---------- 面包屑 ---------- */
.crumbs{padding-top:22px;font-size:13px;color:var(--mist)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:var(--grid)}
.crumbs a:hover{color:var(--cyan)}
.crumbs [aria-current="page"]{color:var(--white)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:var(--abyss)}
.btn--primary:hover{background:var(--cyan-deep);border-color:var(--cyan-deep);box-shadow:0 0 0 4px rgba(47,230,208,.16)}
.btn--ghost{border-color:var(--grid);background:rgba(20,29,43,.6);color:var(--white)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--warm{border-color:rgba(255,138,61,.6);background:rgba(255,138,61,.08);color:var(--amber)}
.btn--warm:hover{background:var(--amber);border-color:var(--amber);color:var(--abyss)}

/* ---------- 面板与数据组件 ---------- */
.panel-card{
  position:relative;
  background:var(--panel);
  border:1px solid rgba(34,48,74,.9);
  border-radius:var(--r-lg);
  padding:clamp(20px,2.4vw,30px);
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.panel-card:hover{
  transform:translateY(-2px);
  border-color:var(--cyan);
  box-shadow:0 0 0 1px rgba(47,230,208,.35),0 18px 40px -28px rgba(47,230,208,.6);
}
.panel-card--lift{margin-top:-16px}

.meter{height:8px;border-radius:999px;background:rgba(34,48,74,.85);overflow:hidden}
.meter-fill{height:100%;border-radius:999px;background:var(--grad)}

.status{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:12px;color:var(--mist);
}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.status--warm::before{background:var(--amber)}

/* ---------- 横向滚动带 ---------- */
.rail{
  position:relative;
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
}
.rail-track{
  display:flex;gap:18px;width:max-content;
  animation:rail-drift 60s linear infinite;
}
.rail:hover .rail-track,
.rail:focus-within .rail-track{animation-play-state:paused}
@keyframes rail-drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(34,48,74,.8);
  background:linear-gradient(160deg,#131E30 0%,#070C14 100%);
  aspect-ratio:16/10;
}
.media-frame img,
.media-frame svg{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(47,230,208,.14),transparent 60%),
    radial-gradient(90% 70% at 100% 100%,rgba(255,138,61,.12),transparent 62%);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}

/* ==========================================================================
   头部
   ========================================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,12,20,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--grid);
  color:var(--white);
}
.skip-link{
  position:absolute;
  left:14px;
  top:-80px;
  z-index:120;
  padding:11px 20px;
  border-radius:0 0 14px 14px;
  background:var(--cyan);
  color:var(--abyss);
  font-size:14px;
  font-weight:700;
  transition:top .18s ease;
}
.skip-link:focus{top:0}
.read-progress{
  position:absolute;
  left:0;top:0;
  width:100%;height:3px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:var(--grad);
  transition:transform .12s linear;
  z-index:6;
}
.header-shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(14px,3vw,48px);
  padding-block:14px 10px;
}
.brand-cluster{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,26px);
  min-width:0;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  flex:none;
  width:42px;height:42px;
  display:grid;place-items:center;
  border:1px solid var(--cyan);
  border-radius:14px;
  background:linear-gradient(150deg,rgba(47,230,208,.18),rgba(20,29,43,.92) 62%);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:18px;
  font-weight:700;
  line-height:1;
}
.brand-text{display:flex;flex-direction:column;gap:1px}
.brand-name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:900;
  letter-spacing:-0.01em;
  line-height:1.1;
  color:var(--white);
}
.brand-line{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.3em;
  line-height:1.2;
  color:var(--mist);
}
.brand-entry{
  flex:none;
  display:inline-flex;
  align-items:center;gap:8px;
  padding:9px 18px;
  border-radius:999px;
  border:1px solid var(--cyan);
  background:rgba(47,230,208,.06);
  color:var(--cyan);
  font-size:13.5px;font-weight:700;
  white-space:nowrap;
  transition:background .16s ease,color .16s ease,box-shadow .16s ease;
}
.brand-entry::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.brand-entry:hover{
  background:var(--cyan);
  color:var(--abyss);
  box-shadow:0 0 0 4px rgba(47,230,208,.14);
}

.site-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list a{
  display:block;
  padding:9px 13px;
  border-radius:999px;
  color:var(--mist);
  font-size:14.5px;
  white-space:nowrap;
  transition:color .16s ease,background .16s ease,box-shadow .16s ease;
}
.nav-list a:hover{color:var(--white);background:rgba(34,48,74,.72)}
.nav-list a[aria-current="page"]{
  color:var(--cyan);
  background:rgba(47,230,208,.1);
  box-shadow:inset 0 0 0 1px rgba(47,230,208,.42);
}
.nav-toggle{
  display:none;
  align-items:center;gap:10px;
  padding:9px 14px;
  border-radius:999px;
  border:1px solid var(--grid);
  color:var(--white);
  font-size:13px;
  letter-spacing:.06em;
}
.nav-toggle-bars{display:flex;flex-direction:column;gap:4px}
.nav-toggle-bar{
  display:block;width:16px;height:2px;border-radius:2px;
  background:var(--cyan);
  transition:transform .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child{transform:translateY(-3px) rotate(-45deg)}

.league-strip{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,22px);
  padding-bottom:12px;
  min-width:0;
}
.league-scroll{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding:4px 2px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.league-scroll::-webkit-scrollbar{display:none}
.chip{
  position:relative;
  flex:none;
  display:inline-flex;
  align-items:center;gap:7px;
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--grid);
  background:rgba(20,29,43,.55);
  color:var(--mist);
  font-size:13px;
  line-height:1.2;
  white-space:nowrap;
  transition:border-color .16s ease,color .16s ease,background .16s ease,transform .16s ease;
}
.chip:hover{border-color:var(--cyan-deep);color:var(--white);transform:translateY(-2px)}
.chip.is-on{
  border-color:var(--cyan);
  background:rgba(47,230,208,.1);
  color:var(--cyan);
}
.chip-count{
  font-family:var(--font-mono);
  font-size:11px;
  padding:1px 6px;
  border-radius:999px;
  background:rgba(255,138,61,.16);
  color:var(--amber);
}
.chip.is-on .chip-count{background:var(--amber);color:var(--abyss)}
.strip-note{
  flex:none;
  display:inline-flex;
  align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--mist);
  white-space:nowrap;
}
.strip-note .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  animation:pulse-ring 2.6s ease-out infinite;
}
@keyframes pulse-ring{
  0%{box-shadow:0 0 0 0 rgba(47,230,208,.45)}
  70%{box-shadow:0 0 0 8px rgba(47,230,208,0)}
  100%{box-shadow:0 0 0 0 rgba(47,230,208,0)}
}
.strip-cta{
  flex:none;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid rgba(255,138,61,.5);
  background:linear-gradient(90deg,rgba(47,230,208,.14),rgba(255,138,61,.16));
  color:var(--white);
  font-size:13px;font-weight:700;
  white-space:nowrap;
  transition:border-color .16s ease,color .16s ease;
}
.strip-cta:hover{border-color:var(--amber);color:var(--amber)}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,110px);
  background:var(--abyss);
  border-top:1px solid var(--grid);
  color:var(--mist);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(34,48,74,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,48,74,.55) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
  opacity:.6;
}
.site-footer::after{
  content:"";
  position:absolute;
  left:-12%;top:-32%;
  width:70%;height:72%;
  background:radial-gradient(circle at 32% 42%,rgba(47,230,208,.12),transparent 62%);
  pointer-events:none;
}
.footer-shell{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(48px,6vw,88px) var(--pad) 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1.1fr 1fr 1.3fr;
  gap:clamp(28px,4vw,60px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.footer-tagline{
  font-size:14.5px;
  line-height:1.75;
  color:var(--mist);
  max-width:34ch;
}
.footer-map{display:flex;flex-direction:column}
.footer-head{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.3em;
  color:var(--cyan);
  margin-bottom:18px;
}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14.5px;color:var(--mist);transition:color .16s ease}
.footer-links a:hover{color:var(--white)}
.footer-links a[aria-current="page"]{color:var(--cyan)}
.footer-links--stagger{
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:9px 22px;
  align-items:start;
}
.footer-links--stagger li:nth-child(even){transform:translateY(12px)}

.footer-contact{display:flex;flex-direction:column}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;flex-direction:column;gap:4px}
.contact-key{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--mist);
}
.contact-value{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:14.5px;
  color:var(--white);
  word-break:break-all;
}
.contact-address{font-size:14px;line-height:1.7;color:var(--mist)}
.copy-btn{
  padding:4px 11px;
  border-radius:999px;
  border:1px solid var(--grid);
  color:var(--mist);
  font-size:11.5px;
  line-height:1.4;
  transition:border-color .16s ease,color .16s ease;
}
.copy-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.contact-more{
  margin-top:18px;
  align-self:flex-start;
  font-size:13.5px;
  color:var(--cyan);
  border-bottom:1px solid rgba(47,230,208,.4);
  transition:border-color .16s ease;
}
.contact-more:hover{border-bottom-color:var(--cyan)}

.footer-base{
  margin-top:clamp(40px,5vw,72px);
  padding-block:22px 26px;
  border-top:1px solid rgba(34,48,74,.85);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px 26px;
  font-size:13px;
}
.footer-base p{display:inline-flex;align-items:center;gap:9px}
.footer-base p:first-child::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.footer-base ul{display:flex;flex-wrap:wrap;gap:20px}
.footer-base a{transition:color .16s ease}
.footer-base a:hover{color:var(--cyan)}
.footer-copy{color:rgba(168,179,196,.72);font-size:12.5px}
.footer-copy::before{display:none}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(16px,2.4vw,28px);
  bottom:clamp(16px,2.4vw,28px);
  z-index:70;
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--grid);
  background:var(--panel);
  color:var(--cyan);
  font-size:18px;
  opacity:0;
  transform:translateY(10px);
  pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,border-color .16s ease;
}
.to-top[data-visible]{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{border-color:var(--cyan)}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .footer-top{grid-template-columns:1.4fr 1fr;row-gap:clamp(32px,5vw,52px)}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-list{
    position:absolute;
    left:0;right:0;top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:10px var(--pad) 18px;
    background:var(--abyss);
    border-top:1px solid var(--grid);
    border-bottom:1px solid var(--grid);
  }
  .site-nav[data-open] .nav-list{display:flex}
  .nav-list a{
    padding:14px 4px;
    border-radius:0;
    border-bottom:1px solid rgba(34,48,74,.6);
    font-size:16px;
  }
  .nav-list li:last-child a{border-bottom:0}
  .strip-note{display:none}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:760px){
  .brand-entry{font-size:12px;padding:7px 13px}
  .brand-line{display:none}
  .brand-mark{width:36px;height:36px;font-size:16px;border-radius:12px}
  .brand-name{font-size:17px}
  .header-row{padding-block:11px 8px}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chapter-mark{opacity:.42}
}

@media (max-width:640px){
  .footer-top{grid-template-columns:1fr}
  .footer-links--stagger li:nth-child(even){transform:none}
  .footer-base{flex-direction:column;align-items:flex-start}
  .strip-cta{display:none}
  .to-top{width:44px;height:44px}
}

/* ==========================================================================
   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;
  }
  .rail-track{animation:none;transform:none}
  .to-top{transform:none}
}