/* ============================================================
   九州体育中文站 /assets/site.css
   视觉母题：赛场记分牌 × 复古体育年鉴
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dt,dd,figure,blockquote,table,th,td{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;border-spacing:0}
img,svg,picture,video{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
[hidden]{display:none}

/* ---------- 2. 变量 ---------- */
:root{
  --ink-950:#08111F;
  --ink-850:#0F1D31;
  --ink-700:#1A2F49;
  --cream-050:#F5EBD8;
  --cream-100:#FFF8EA;
  --slate-300:#AAB8C8;
  --cyan-400:#45E0D1;
  --amber-400:#F6A93B;
  --coral-500:#FF6B45;
  --rose-500:#FF5A7A;
  --green-400:#46D39A;
  --amber-ink:#8A4B00;
  --rose-ink:#A61E45;

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

  --shell:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --cut:26px;
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink-950);
  background-image:
    radial-gradient(1200px 620px at 8% -12%,rgba(69,224,209,.11),transparent 62%),
    radial-gradient(900px 520px at 96% 2%,rgba(246,169,59,.09),transparent 60%);
  background-repeat:no-repeat;
  color:var(--cream-100);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,.display{font-family:var(--font-display);font-weight:800;font-size:clamp(2.4rem,5vw,5.6rem);line-height:.95;letter-spacing:-.025em;color:var(--cream-100)}
h2{font-family:var(--font-display);font-weight:800;font-size:clamp(1.7rem,3.2vw,3rem);line-height:1.04;letter-spacing:-.015em}
h3{font-family:var(--font-display);font-weight:700;font-size:clamp(1.15rem,1.8vw,1.55rem);line-height:1.28;letter-spacing:-.005em}
h4{font-family:var(--font-display);font-weight:700;font-size:1.0625rem;line-height:1.4}
p{max-width:38em}
.lede{font-size:clamp(1rem,1.35vw,1.15rem);line-height:1.85;color:var(--slate-300);max-width:38em}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:-.01em}
.label{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;color:var(--slate-300)}
.eyebrow{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em;color:var(--amber-400)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.link{color:var(--cyan-400);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link:hover{color:var(--amber-400)}

:focus-visible{outline:2px solid var(--cyan-400);outline-offset:3px;border-radius:4px}

/* ---------- 4. 布局容器 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.section{padding-block:clamp(36px,5.5vw,84px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 28px;margin-bottom:clamp(20px,3vw,36px)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 5. 画板 / 面板 ---------- */
.panel{background:var(--ink-850);border:1px solid var(--ink-700);border-radius:2px;padding:clamp(20px,3vw,40px)}
.panel--paper{background:var(--cream-050);border-color:#DFCEAC;color:#2A2418}
.panel--paper h1,.panel--paper h2,.panel--paper h3,.panel--paper h4{color:#141A24}
.panel--paper .lede,.panel--paper p{color:#5C5344}
.panel--cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.rule{height:1px;background:var(--ink-700);border:0;margin:0}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-display);font-weight:700;font-size:.9375rem;line-height:1;
  padding:.85em 1.3em;border:1px solid transparent;border-radius:999px;
  cursor:pointer;text-decoration:none;
  transition:transform .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn--primary{background:var(--amber-400);color:#241000;box-shadow:0 8px 0 -5px rgba(246,169,59,.45)}
.btn--primary:hover{background:#FFBE63;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{border-color:var(--ink-700);background:rgba(26,47,73,.55);color:var(--cream-100)}
.btn--ghost:hover{border-color:var(--cyan-400);color:var(--cyan-400)}
.btn--quiet{color:var(--cyan-400);padding-inline:.4em;border-radius:6px}
.btn--quiet:hover{color:var(--amber-400)}

/* ---------- 7. 标签 / 状态 ---------- */
.tag{display:inline-flex;align-items:center;gap:.4em;padding:.3em .72em;border-radius:999px;font-size:.75rem;letter-spacing:.06em;border:1px solid var(--ink-700);background:rgba(26,47,73,.6);color:var(--slate-300)}
.status-pill{display:inline-flex;align-items:center;gap:.5em;padding:.28em .72em;border-radius:999px;border:1px solid currentColor;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em}
.status-pill--ok{color:var(--green-400);background:rgba(70,211,154,.1)}
.status-pill--warn{color:var(--amber-400);background:rgba(246,169,59,.1)}
.status-pill--error{color:var(--rose-500);background:rgba(255,90,122,.1)}
.status-pill--live{color:var(--cyan-400);background:rgba(69,224,209,.1)}

/* ---------- 8. 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.filter-btn{
  padding:.5em .95em;border-radius:999px;border:1px solid var(--ink-700);
  background:transparent;color:var(--slate-300);font-family:var(--font-display);
  font-weight:600;font-size:.8125rem;line-height:1.2;cursor:pointer;white-space:nowrap;
  transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease);
}
.filter-btn:hover{color:var(--cream-100);border-color:var(--cyan-400)}
.filter-btn[aria-pressed="true"]{background:var(--amber-400);border-color:var(--amber-400);color:#241000}
.filter-status{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;color:var(--slate-300)}
[data-filter-item]{transition:opacity .12s var(--ease),transform .12s var(--ease)}

/* ---------- 9. 面包屑 ---------- */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.5em;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;color:var(--slate-300);margin-bottom:clamp(16px,3vw,28px)}
.breadcrumbs li{display:inline-flex;align-items:center;gap:.5em}
.breadcrumbs li+li::before{content:"／";color:var(--ink-700)}
.breadcrumbs a{color:var(--slate-300);border-bottom:1px solid transparent}
.breadcrumbs a:hover{color:var(--cyan-400);border-color:rgba(69,224,209,.5)}

/* ---------- 10. 图片容器 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;aspect-ratio:16/9;
  background:
    radial-gradient(120% 120% at 18% 0%,rgba(69,224,209,.16),transparent 62%),
    linear-gradient(158deg,var(--ink-700),var(--ink-850));
  border:1px solid var(--ink-700);
  clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,0 100%);
}
.media-frame > img,.media-frame > picture,.media-frame > picture > img{display:block;width:100%;height:100%}
.media-frame img{object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--diag{clip-path:polygon(0 54px,100% 0,100% 100%,0 100%)}
.media-frame--mark::after{
  content:"";position:absolute;left:-18%;bottom:-34%;width:58%;height:168%;
  background:linear-gradient(100deg,transparent 20%,rgba(255,107,69,.22),rgba(69,224,209,.1));
  transform:rotate(8deg);pointer-events:none;
}
.media-caption{margin-top:.7em;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;color:var(--slate-300)}

/* ---------- 11. Skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-180%);
  background:var(--amber-400);color:#241000;
  font-family:var(--font-display);font-weight:700;font-size:.875rem;
  padding:.7em 1.1em;border-radius:999px;text-decoration:none;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}
#main-content:focus-visible{outline:2px solid var(--cyan-400);outline-offset:6px}

/* ---------- 12. 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  padding:12px 16px 20px;
  background:linear-gradient(180deg,rgba(8,17,31,.97) 0%,rgba(8,17,31,.86) 62%,rgba(8,17,31,0) 100%);
}
.header-shell{
  position:relative;
  display:flex;align-items:center;gap:18px;
  width:100%;max-width:1280px;margin-inline:auto;
  padding:8px 12px 9px 14px;
  background:var(--ink-850);
  border:1px solid var(--ink-700);
  border-radius:999px;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header[data-scrolled="true"] .header-shell{
  box-shadow:0 22px 48px -30px rgba(0,0,0,.95);
  border-color:#243E5C;
}

.brand-lockup{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.brand-mark{
  display:grid;place-items:center;flex:0 0 auto;
  width:38px;height:38px;
  background:var(--amber-400);color:#150C00;
  font-family:var(--font-display);font-weight:800;font-size:1.05rem;line-height:1;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;gap:2px;line-height:1.15;min-width:0}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:.9375rem;letter-spacing:.01em;color:var(--cream-100);white-space:nowrap}
.brand-signature{font-family:var(--font-mono);font-size:.625rem;letter-spacing:.16em;color:var(--cyan-400);white-space:nowrap}
.brand-lockup:hover .brand-signature{color:var(--amber-400)}

.header-status{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:.4em .85em;border-radius:999px;
  border:1px solid rgba(69,224,209,.3);
  background:rgba(69,224,209,.08);
  color:var(--cyan-400);
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em;
  max-width:100%;white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;flex:0 0 auto;
  background:var(--green-400);
  box-shadow:0 0 0 3px rgba(70,211,154,.18);
  animation:dotPulse 1.6s var(--ease) 1;
}
@keyframes dotPulse{
  0%{box-shadow:0 0 0 0 rgba(69,224,209,.55);background:var(--cyan-400)}
  60%{box-shadow:0 0 0 7px rgba(69,224,209,0)}
  100%{box-shadow:0 0 0 3px rgba(70,211,154,.18);background:var(--green-400)}
}

.nav-toggle{
  display:none;align-items:center;gap:9px;flex:0 0 auto;
  padding:.52em .9em;border-radius:999px;
  border:1px solid var(--ink-700);background:rgba(26,47,73,.75);
  color:var(--cream-100);font-family:var(--font-display);font-weight:700;font-size:.8125rem;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--cyan-400);color:var(--cyan-400)}
.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;border-radius:2px;transition:transform .2s var(--ease),opacity .16s var(--ease),width .2s var(--ease)}
.nav-toggle-bars span:nth-child(3){width:70%}
.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){width:100%;transform:translateY(-5px) rotate(-45deg)}
.nav-toggle-label{letter-spacing:.04em}

.site-nav{display:flex;align-items:center;gap:14px;margin-left:auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px;min-width:0}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:.55em .82em;border-radius:999px;
  font-size:.875rem;font-weight:500;color:var(--slate-300);white-space:nowrap;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.nav-link:hover{color:var(--cream-100);background:rgba(26,47,73,.8)}
.nav-link[aria-current="page"]{color:var(--cream-100);font-weight:700;background:rgba(26,47,73,.95)}
.nav-link[aria-current="page"]::after{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--amber-400);box-shadow:0 0 0 3px rgba(246,169,59,.22);
}
.nav-cta{flex:0 0 auto;padding:.7em 1.15em;font-size:.8125rem;white-space:nowrap;margin-left:4px}

.header-progress{
  position:absolute;left:24px;right:24px;bottom:5px;height:2px;
  background:rgba(26,47,73,.95);border-radius:2px;overflow:hidden;
}
.header-progress-bar{
  display:block;height:100%;width:calc(var(--progress,0) * 100%);
  background:linear-gradient(90deg,var(--cyan-400),var(--amber-400));
  border-radius:2px;transition:width .12s linear;
}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,7vw,112px);
  padding-block:clamp(40px,6vw,80px) 26px;
  background:linear-gradient(180deg,var(--ink-950) 0%,#050B14 100%);
  border-top:1px solid var(--ink-700);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(112deg,transparent 0 46px,rgba(69,224,209,.055) 46px 47px);
}
.footer-shell{position:relative;z-index:1;width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}

.footer-top{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.55fr);gap:clamp(28px,4.5vw,64px);align-items:start}
.footer-brand{min-width:0}
.footer-summary{margin-top:18px;max-width:34em;font-size:.9375rem;line-height:1.85;color:var(--slate-300)}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-badge{
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;
  padding:.4em .78em;border-radius:999px;
  border:1px solid var(--ink-700);color:var(--slate-300);background:rgba(26,47,73,.6);
}

.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.footer-group{min-width:0}
.footer-group-title{
  font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:.14em;
  color:var(--amber-400);margin-bottom:14px;
}
.footer-links li+li{margin-top:10px}
.footer-link{
  display:inline-block;font-size:.9375rem;color:var(--cream-100);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-link:hover{color:var(--cyan-400);border-color:rgba(69,224,209,.55)}
.footer-link--sm{font-size:.8125rem;color:var(--slate-300)}
.footer-link--sm:hover{color:var(--cyan-400)}

.footer-contact{margin-top:clamp(32px,4.5vw,60px);padding-top:clamp(22px,3vw,34px);border-top:1px solid var(--ink-700)}
.contact-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:18px 30px}
.contact-item{min-width:0}
.contact-label{display:block;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.12em;color:var(--slate-300);margin-bottom:4px}
.contact-value{display:block;font-family:var(--font-mono);font-size:.875rem;color:var(--cream-100);word-break:break-word;font-variant-numeric:tabular-nums}
.contact-value--text{font-family:var(--font-body);font-size:.875rem;line-height:1.7;color:#D6DEE8}

.footer-compare{
  margin-top:clamp(32px,4.5vw,60px);
  padding:clamp(20px,3vw,36px);
  background:var(--cream-050);color:#2A2418;
  clip-path:polygon(0 0,calc(100% - 32px) 0,100% 32px,100% 100%,0 100%);
}
.compare-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;margin-bottom:16px}
.compare-title{font-family:var(--font-display);font-weight:800;font-size:clamp(1.1rem,2vw,1.5rem);line-height:1.2;letter-spacing:-.01em;color:#141A24}
.compare-note{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;color:var(--amber-ink)}
.compare-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:560px;font-size:.9375rem;line-height:1.7}
.compare-table th,.compare-table td{text-align:left;padding:12px 14px;vertical-align:top}
.compare-table thead th{
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.12em;font-weight:700;
  color:var(--amber-ink);border-bottom:1px solid rgba(138,75,0,.3);white-space:nowrap;
}
.compare-table tbody th,.compare-table tbody td{border-bottom:1px solid rgba(8,17,31,.13);color:#3A352C}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover th,.compare-table tbody tr:hover td{background:rgba(246,169,59,.16)}
.compare-table th:first-child,.compare-table td:first-child{position:sticky;left:0;z-index:1;background:var(--cream-050)}
.compare-table tbody tr:hover th:first-child{background:#F1E1C4}
.compare-name{font-family:var(--font-display);font-weight:700;color:#141A24;white-space:nowrap}
.compare-detail{font-family:var(--font-mono);font-size:.8125rem;color:var(--amber-ink)}

.footer-bottom{
  margin-top:clamp(30px,4vw,56px);padding-top:20px;
  border-top:1px solid var(--ink-700);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 26px;
}
.footer-meta{font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.04em;color:var(--slate-300);max-width:none}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px}
.footer-icp{font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.04em;color:var(--slate-300);font-variant-numeric:tabular-nums}

/* ---------- 14. 显现动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1180px){
  .header-status{display:none}
}
@media (max-width:1024px){
  .footer-top{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:960px){
  .site-header{padding:10px 12px 16px}
  .header-shell{flex-wrap:wrap;gap:10px;padding:10px 12px 12px;border-radius:20px}
  .brand-lockup{order:1}
  .nav-toggle{display:inline-flex;order:3;margin-left:auto}
  .site-nav{
    order:4;flex-basis:100%;width:100%;margin-left:0;
    flex-direction:column;align-items:stretch;gap:12px;
    max-height:0;opacity:0;visibility:hidden;overflow:hidden;
    transition:max-height .3s var(--ease),opacity .22s var(--ease),visibility .22s var(--ease);
  }
  .site-nav[data-open="true"]{
    max-height:min(72vh,560px);opacity:1;visibility:visible;
    overflow-y:auto;padding-block:6px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .nav-link{padding:.72em .85em;font-size:.9375rem;border-radius:12px;justify-content:flex-start}
  .nav-cta{margin-left:0;width:100%;padding:.9em 1.1em;font-size:.9375rem}
  .header-progress{left:16px;right:16px;bottom:5px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .grid-12{gap:18px}
  .col-4,.col-6,.col-8{grid-column:span 12}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .footer-compare{clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%)}
  .compare-table{min-width:520px;font-size:.875rem}
  .compare-table th,.compare-table td{padding:10px 12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand-signature{display:none}
  .nav-toggle-label{display:none}
  .footer-badges{gap:6px}
}

/* ---------- 16. 动效偏好 ---------- */
@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;
  }
  [data-reveal]{opacity:1;transform:none}
  .status-dot{animation:none}
  .header-progress-bar{transition:none}
}