/* ==========================================================================
   九州体育 · site.css
   夜间赛场指挥台：记分牌横带 + 刻度线 + 对账台式页脚
   ========================================================================== */

:root{
  --ink:#0B1220;
  --panel:#111C30;
  --panel-2:#0E1728;
  --line:#23324A;
  --line-soft:rgba(35,50,74,.55);
  --orange:#FF6B2C;
  --green:#36C275;
  --gold:#F5B84B;
  --text:#E8EDF5;
  --muted:#9AA8BD;
  --white:#FFFFFF;
  --danger:#FF5C5C;

  --wrap:1240px;
  --gutter:clamp(16px,3.2vw,36px);
  --header-h:72px;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Roboto Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --radius:2px;
  --shadow-panel:0 1px 0 rgba(255,255,255,.03), 0 22px 46px -34px rgba(0,0,0,.95);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}

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

/* ---------- base ---------- */
body{
  background-color:var(--ink);
  background-image:
    linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px),
    linear-gradient(180deg, rgba(35,50,74,.30) 0 1px, transparent 1px);
  background-size:112px 112px, 112px 112px;
  background-position:0 0;
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{ font-weight:800; line-height:1.15; letter-spacing:-.02em; color:var(--white); }
h1{ font-size:clamp(34px,5.2vw,64px); }
h2{ font-size:clamp(24px,3.2vw,38px); }
h3{ font-size:clamp(18px,2vw,24px); }
h4{ font-size:16px; letter-spacing:0; }
p{ max-width:72ch; }

:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:3px;
  border-radius:var(--radius);
}
::selection{ background:rgba(255,107,44,.35); color:var(--white); }

/* ---------- layout helpers ---------- */
.container{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{ padding-block:clamp(36px,6vw,80px); }
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px 24px;
  padding-bottom:16px;
  margin-bottom:clamp(18px,3vw,32px);
  border-bottom:1px solid var(--line);
}
.section-note{ font-size:14px; line-height:1.7; color:var(--muted); max-width:52ch; }

.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--split{ grid-template-columns:minmax(0,1.55fr) minmax(0,1fr); }

.prose{
  max-width:70ch;
  font-size:16.5px;
  line-height:1.78;
  color:#D5DEEB;
}
.prose > * + *{ margin-top:1em; }
.prose h2,.prose h3{ margin-top:1.8em; }

.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.price{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  color:var(--gold);
  font-weight:700;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--orange);
}
.kicker::before{ content:""; width:18px; height:1px; background:currentColor; }

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;
  left:12px;
  top:-72px;
  z-index:200;
  padding:10px 18px;
  background:var(--orange);
  color:#0B1220;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  border-radius:0 0 var(--radius) var(--radius);
  transition:top var(--ease);
}
.skip-link:focus{ top:0; }

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,18,32,.96);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(12px,2vw,28px);
  min-height:var(--header-h);
  padding-block:8px;
}
.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:6px 0;
  text-decoration:none;
  color:var(--text);
}
.brand-mark{
  display:inline-flex;
  align-items:flex-end;
  gap:3px;
  height:24px;
}
.brand-bar{
  display:block;
  width:5px;
  border-radius:1px;
  background:var(--orange);
  transition:height var(--ease);
}
.brand-bar:nth-child(1){ height:11px; background:var(--green); }
.brand-bar:nth-child(2){ height:24px; background:var(--orange); }
.brand-bar:nth-child(3){ height:16px; background:var(--gold); }
.brand-lockup:hover .brand-bar:nth-child(3){ height:22px; }
.brand-text{ display:flex; flex-direction:column; gap:1px; }
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:.08em;
  line-height:1.2;
  color:var(--white);
}
.brand-tagline{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  line-height:1.2;
  color:var(--muted);
}

.header-end{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,20px);
}
.site-nav{ display:block; }
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-item{ position:relative; }
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 11px;
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  text-decoration:none;
  color:var(--muted);
  border-radius:var(--radius);
  transition:color var(--ease), background-color var(--ease);
}
.nav-link:hover{ color:var(--text); background:rgba(35,50,74,.45); }
.nav-link[aria-current="page"]{ color:var(--white); }
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  bottom:2px;
  height:2px;
  background:var(--orange);
}
.nav-item--cta{ display:none; }

.header-actions{ display:flex; align-items:center; gap:10px; }

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:var(--text);
  font-size:13px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:color var(--ease), border-color var(--ease);
}
.nav-toggle:hover{ color:var(--orange); border-color:var(--orange); }
.nav-toggle-label{ line-height:1; }
.nav-toggle-bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:space-between;
  width:16px;
  height:12px;
}
.nav-toggle-bars span{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform var(--ease), opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }

.tick-strip{
  height:10px;
  background-image:linear-gradient(90deg, var(--line) 0 1px, transparent 1px);
  background-size:14px 100%;
  background-position:0 100%;
  background-repeat:repeat-x;
  opacity:.75;
  pointer-events:none;
}
.scroll-meter{
  height:2px;
  background:rgba(35,50,74,.7);
  overflow:hidden;
}
.scroll-meter-fill{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg, var(--green), var(--orange) 62%, var(--gold));
  transition:width .12s linear;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition:background-color var(--ease), color var(--ease), border-color var(--ease);
}
.btn-sm{ padding:9px 15px; font-size:13px; }
.btn-primary{ background:var(--orange); color:#0B1220; }
.btn-primary:hover{ background:#FF8449; color:#0B1220; }
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{ border-color:var(--orange); color:var(--orange); }

/* ---------- tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(17,28,48,.6);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:currentColor;
}
.tag--orange{ color:var(--orange); border-color:rgba(255,107,44,.4); }
.tag--green{ color:var(--green); border-color:rgba(54,194,117,.4); }
.tag--gold{ color:var(--gold); border-color:rgba(245,184,75,.4); }
.tag--danger{ color:var(--danger); border-color:rgba(255,92,92,.4); }

/* ---------- panel ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-panel);
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.panel--lift:hover,
.panel--lift:focus-within{
  transform:translateY(-3px);
  border-color:#31465F;
  box-shadow:0 1px 0 rgba(255,255,255,.04), 0 26px 50px -30px rgba(0,0,0,1);
}

/* ---------- table ---------- */
.data-table{ width:100%; font-size:14.5px; }
.data-table th,
.data-table td{
  padding:11px 12px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.data-table th{
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.data-table tbody tr{ transition:background-color var(--ease); }
.data-table tbody tr:hover{ background:rgba(255,107,44,.06); }
.data-table tbody tr:focus-within{ background:rgba(255,107,44,.09); }

/* ---------- media frame ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:26px;
  height:3px;
  background:var(--orange);
}
.media-frame--wide{ aspect-ratio:21 / 9; }
.media-frame--square{ aspect-ratio:1 / 1; }
.media-frame--cut{
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{
  border-bottom:1px solid var(--line);
  background:rgba(17,28,48,.55);
}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumb-list li{ display:flex; align-items:center; gap:8px; }
.breadcrumb-list li:not(:last-child)::after{ content:"/"; color:#3A4C69; }
.breadcrumb-link{
  color:var(--muted);
  text-decoration:none;
  transition:color var(--ease);
}
.breadcrumb-link:hover{ color:var(--orange); }
.breadcrumb-list [aria-current="page"]{ color:var(--text); }

/* ---------- footer ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,96px);
  background:#080E19;
  border-top:1px solid var(--line);
  color:var(--text);
}
.footer-top{
  background:var(--panel);
  border-bottom:1px solid var(--line);
  padding-block:clamp(24px,4vw,44px);
}
.footer-top-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px 32px;
}
.footer-brand{ display:flex; flex-direction:column; gap:6px; }
.footer-brand-name{
  font-size:clamp(24px,3.4vw,38px);
  font-weight:800;
  letter-spacing:.04em;
  line-height:1.1;
  color:var(--white);
}
.footer-motto{
  font-size:14.5px;
  line-height:1.7;
  color:var(--muted);
  max-width:44ch;
}
.footer-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}
.to-top{ white-space:nowrap; }

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.35fr);
  gap:clamp(22px,4vw,48px);
  padding-block:clamp(32px,5vw,56px);
}
.footer-col{ min-width:0; }
.footer-col-title{
  position:relative;
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  line-height:1.4;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-col-title::before{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:28px;
  height:1px;
  background:var(--orange);
}
.footer-links{ display:flex; flex-direction:column; gap:2px; }
.footer-link{
  display:inline-block;
  padding:5px 0;
  font-size:14.5px;
  color:#B9C6D8;
  text-decoration:none;
  transition:color var(--ease), padding-left var(--ease);
}
.footer-link:hover{ color:var(--orange); padding-left:4px; }

.contact-list{ display:flex; flex-direction:column; gap:10px; }
.contact-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 10px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--text);
  word-break:break-word;
}
.contact-label{
  min-width:38px;
  font-family:var(--font-sans);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.contact-value{ min-width:0; }
.contact-line--address .contact-value{ line-height:1.6; }
.copy-btn{
  padding:2px 8px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:transparent;
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:color var(--ease), border-color var(--ease), background-color var(--ease);
}
.copy-btn:hover{ color:var(--text); border-color:#3A4C69; background:rgba(35,50,74,.5); }
.copy-btn[data-copied="1"]{ color:var(--green); border-color:rgba(54,194,117,.45); }
.footer-note{
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
  max-width:34ch;
}

.footer-bottom{ border-top:1px solid var(--line); background:#070C15; }
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-block:16px;
  font-size:12.5px;
  color:var(--muted);
}
.footer-legal{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:#A9B6C9;
}
.footer-copy{ color:var(--muted); }
.footer-mini{ display:flex; flex-wrap:wrap; gap:4px 16px; }
.footer-mini .footer-link{ font-size:12.5px; padding:2px 0; }

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    max-height:calc(100vh - 86px);
    overflow-y:auto;
    padding:8px var(--gutter) 22px;
    background:var(--panel);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 46px -30px rgba(0,0,0,.98);
  }
  .site-nav[data-open]{ display:block; }
  .nav-list{ flex-direction:column; align-items:stretch; gap:0; }
  .nav-item{ border-bottom:1px solid var(--line); }
  .nav-item:last-child{ border-bottom:0; }
  .nav-link{ display:block; padding:14px 2px; font-size:16px; }
  .nav-link:hover{ background:transparent; }
  .nav-link[aria-current="page"]::after{ left:2px; right:auto; width:24px; bottom:9px; }
  .nav-item--cta{ display:block; padding-top:16px; }
  .header-actions{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer-col--contact{ grid-column:1 / -1; }
}

@media (max-width:900px){
  .grid--2,.grid--3,.grid--split{ grid-template-columns:minmax(0,1fr); }
}

@media (max-width:640px){
  body{
    font-size:15.5px;
    background-image:none;
    background-attachment:scroll;
  }
  :root{ --header-h:64px; }
  .brand-name{ font-size:16px; }
  .brand-tagline{ display:none; }
  .brand-mark{ height:20px; }
  .brand-bar:nth-child(2){ height:20px; }
  .brand-bar:nth-child(3){ height:13px; }
  .brand-bar:nth-child(1){ height:9px; }
  .footer-grid{ grid-template-columns:minmax(0,1fr); gap:28px; }
  .footer-col--contact{ grid-column:auto; }
  .footer-top-inner{ flex-direction:column; align-items:flex-start; }
  .footer-actions{ width:100%; }
  .footer-actions .btn{ flex:1 1 auto; }
  .footer-bottom-inner{ flex-direction:column; align-items:flex-start; }
  .breadcrumb-list{ font-size:11.5px; }
}

@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;
  }
  .scroll-meter-fill{ transition:none; }
}