/* HTH体育主站 · 共享外壳样式 /assets/site.css */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;}
table{border-collapse:collapse;width:100%;}

/* ---------- 2. tokens ---------- */
:root{
  --arena:#061A2E;
  --panel:#0D2A47;
  --line:#1C4569;
  --cyan:#2FF3D0;
  --orange:#FF6A2B;
  --graphite:#6C7D8D;
  --mist:#9FEFE2;
  --paper:#F1F6FA;
  --text:#E6F0F7;
  --white:#FFFFFF;

  --rail-w:220px;
  --header-h:68px;
  --shell:1280px;

  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;

  --ease:cubic-bezier(.22,1,.36,1);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:var(--font-display);
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 3. base ---------- */
body{
  padding-top:var(--header-h);
  min-height:100vh;
  background:var(--arena);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(28,69,105,.65) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(28,69,105,.65) 1px,transparent 1px);
  background-size:32px 32px;
  opacity:.26;
  -webkit-mask-image:radial-gradient(125% 95% at 18% 0%,#000 0%,transparent 76%);
  mask-image:radial-gradient(125% 95% at 18% 0%,#000 0%,transparent 76%);
}
h1,h2,h3,h4{
  color:var(--white);
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.02em;
}
h1{font-size:clamp(30px,4.6vw,64px);}
h2{font-size:clamp(22px,2.8vw,38px);}
h3{font-size:clamp(18px,1.8vw,24px);}
h4{font-size:17px;line-height:1.45;letter-spacing:0;}
strong,b{font-weight:800;color:var(--white);}
a{text-decoration:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(47,243,208,.3);}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.muted{color:var(--graphite);}
.text-cyan{color:var(--cyan);}
.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;}

/* ---------- 4. layout ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,3vw,32px);}
.site-main{position:relative;z-index:1;display:block;scroll-margin-top:calc(var(--header-h) + 16px);}
.stack{display:flex;flex-direction:column;gap:clamp(18px,2.6vw,32px);}
.blueprint-grid{display:grid;gap:clamp(14px,2vw,24px);grid-template-columns:repeat(12,minmax(0,1fr));}
.blueprint-grid>*{grid-column:span 12;min-width:0;}
@media (min-width:768px){
  .blueprint-grid>.col-3{grid-column:span 3;}
  .blueprint-grid>.col-4{grid-column:span 4;}
  .blueprint-grid>.col-6{grid-column:span 6;}
  .blueprint-grid>.col-8{grid-column:span 8;}
  .blueprint-grid>.col-9{grid-column:span 9;}
}
@media (min-width:1024px){
  .site-main{padding-left:var(--rail-w);}
}

/* ---------- 5. buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:800;
  line-height:1;
  text-align:center;
  cursor:pointer;
  transition:transform .12s var(--ease),background-color .12s var(--ease),color .12s var(--ease),border-color .12s var(--ease),box-shadow .12s var(--ease);
}
.btn--signal{
  background:var(--orange);
  color:var(--arena);
  box-shadow:0 0 0 1px rgba(255,106,43,.32),0 12px 28px -16px rgba(255,106,43,.95);
}
.btn--signal:hover{background:#FF7C45;transform:translateY(-2px);}
.btn--signal:active{transform:translateY(0) scale(.98);}
.btn--cyan{background:var(--cyan);color:var(--arena);}
.btn--cyan:hover{transform:translateY(-2px);background:#63F7DD;}
.btn--ghost{border-color:var(--line);color:var(--text);background:rgba(13,42,71,.5);}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.btn--outline{border-color:rgba(6,26,46,.32);color:var(--arena);background:transparent;}
.btn--outline:hover{border-color:var(--arena);background:rgba(6,26,46,.06);}
.btn--block{width:100%;}

/* ---------- 6. generic modules ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid rgba(47,243,208,.3);
  border-radius:var(--r-pill);
  background:rgba(47,243,208,.13);
  color:var(--cyan);
  font-size:12px;
  font-weight:700;
  line-height:1.6;
}
.chip--mist{background:var(--mist);color:var(--arena);border-color:transparent;}
.chip--orange{background:rgba(255,106,43,.15);color:#FF9066;border-color:rgba(255,106,43,.4);}
.chip--light{background:var(--white);color:var(--arena);border-color:rgba(6,26,46,.18);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  line-height:1.6;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7;}

.section-head{display:flex;align-items:flex-end;flex-wrap:wrap;gap:10px 20px;margin-bottom:clamp(16px,2vw,24px);}
.section-head__title{position:relative;padding-left:16px;}
.section-head__title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--cyan);}
.section-head__note{margin-left:auto;font-size:14px;color:var(--graphite);}

.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel);
}
.panel--flat{background:rgba(13,42,71,.55);}
.panel--paper{background:var(--paper);border-color:rgba(28,69,105,.22);color:var(--arena);}
.panel--paper h2,.panel--paper h3,.panel--paper h4,.panel--paper strong{color:var(--arena);}
.panel__coord{position:absolute;top:14px;right:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--graphite);}

.index-list{display:flex;flex-direction:column;}
.index-list__row{display:flex;align-items:center;gap:14px;padding:13px 4px;border-bottom:1px dashed rgba(28,69,105,.75);}
.index-list__row:last-child{border-bottom:0;}
.index-list__num{flex:none;min-width:36px;font-family:var(--font-mono);font-size:12px;color:var(--cyan);}
.index-list__label{font-weight:600;color:var(--text);}
.index-list__meta{margin-left:auto;font-family:var(--font-mono);font-size:13px;color:var(--graphite);}

.prose{max-width:44rem;font-size:17px;line-height:1.75;color:var(--text);}
.prose p+p{margin-top:1em;}
.prose h2{margin-top:1.9em;margin-bottom:.55em;}
.prose h3{margin-top:1.6em;margin-bottom:.45em;}
.prose ul{margin:1em 0;display:flex;flex-direction:column;gap:.55em;}
.prose li{position:relative;padding-left:20px;}
.prose li::before{content:"";position:absolute;left:0;top:.75em;width:10px;height:1px;background:var(--cyan);}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}

.breadcrumb{padding:20px 0 4px;}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--graphite);}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb__link{color:var(--graphite);border-bottom:1px solid transparent;}
.breadcrumb__link:hover{color:var(--cyan);border-bottom-color:rgba(47,243,208,.5);}
.breadcrumb__sep{color:var(--line);}
.breadcrumb__item[aria-current="page"]{color:var(--text);}

/* ---------- 7. media containers ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(47,243,208,.16),transparent 62%),
    linear-gradient(135deg,#0D2A47,#061A2E 72%);
}
.media>img,.media>svg{width:100%;height:100%;object-fit:cover;}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--3x2{aspect-ratio:3/2;}
.media--1x1{aspect-ratio:1/1;}
.media--3x4{aspect-ratio:3/4;}
.media--auto{aspect-ratio:auto;min-height:180px;}
.media--paper{background:linear-gradient(135deg,#FFFFFF,#E2ECF4);border-color:rgba(28,69,105,.22);}
.media--grid::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(28,69,105,.55) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(28,69,105,.55) 1px,transparent 1px);
  background-size:40px 40px;
  opacity:.24;
}
.media__tag{position:absolute;left:14px;top:14px;z-index:2;}
.media__caption{margin-top:10px;font-size:13px;color:var(--graphite);}

/* ---------- 8. header ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-80px;
  z-index:200;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:var(--cyan);
  color:var(--arena);
  font-weight:800;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px;}

.site-header{position:relative;z-index:60;}

.header-bar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,24px);
  height:var(--header-h);
  padding:0 clamp(14px,3vw,28px);
  border-bottom:1px solid var(--line);
  background:rgba(6,26,46,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.header-bar__progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden;}
.header-bar__progress-fill{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
}

.brand{display:inline-flex;align-items:center;gap:12px;min-width:0;color:var(--white);}
.brand__mark{
  flex:none;
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  border:1px solid rgba(47,243,208,.45);
  border-radius:13px;
  background:linear-gradient(140deg,rgba(47,243,208,.24),rgba(47,243,208,.03));
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{font-size:17px;font-weight:900;line-height:1.2;letter-spacing:-.01em;white-space:nowrap;}
.brand__tag{font-size:12px;line-height:1.35;color:var(--graphite);white-space:nowrap;}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-season{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(13,42,71,.7);
  font-size:12.5px;
}
.header-season__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(47,243,208,.14);
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.42;transform:scale(.78);}}
.header-season__label{color:var(--text);white-space:nowrap;}
.header-season__value{padding-left:9px;border-left:1px solid var(--line);color:var(--cyan);font-size:12.5px;}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(13,42,71,.8);
  color:var(--text);
  font-size:14px;
  font-weight:800;
  transition:border-color .12s var(--ease),color .12s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--cyan);}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.nav-toggle__bars::before{top:-6px;}
.nav-toggle__bars::after{top:6px;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg);}

.rail{
  position:fixed;
  top:var(--header-h);
  left:0;
  bottom:0;
  z-index:70;
  display:flex;
  flex-direction:column;
  gap:16px;
  width:var(--rail-w);
  padding:20px 16px 22px;
  overflow-y:auto;
  border-right:1px solid var(--line);
  background:var(--panel);
}
.rail::before{
  content:"";
  position:absolute;
  left:6px;
  top:18px;
  bottom:18px;
  width:1px;
  pointer-events:none;
  background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 16px);
  opacity:.8;
}
.rail__head{display:flex;flex-direction:column;gap:4px;padding:0 12px 12px;border-bottom:1px solid var(--line);}
.rail__coord{font-size:11px;letter-spacing:.16em;color:var(--graphite);}
.rail__title{font-size:14px;font-weight:900;color:var(--white);letter-spacing:-.01em;}
.rail__list{display:flex;flex-direction:column;gap:4px;flex:1;}
.rail__link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 12px;
  border-radius:14px;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  transition:background-color .12s var(--ease),color .12s var(--ease),box-shadow .12s var(--ease);
}
.rail__link:hover{background:rgba(47,243,208,.07);color:var(--white);}
.rail__link[aria-current="page"]{
  background:rgba(47,243,208,.1);
  color:var(--cyan);
  box-shadow:inset 0 0 0 1px rgba(47,243,208,.35);
}
.rail__link[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:-16px;
  top:50%;
  width:4px;
  height:22px;
  border-radius:2px;
  transform:translateY(-50%);
  background:var(--cyan);
}
.rail__idx{font-size:11px;letter-spacing:.08em;color:var(--graphite);}
.rail__link[aria-current="page"] .rail__idx{color:var(--cyan);}
.rail__label{white-space:nowrap;}
.rail__foot{
  margin-top:auto;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(6,26,46,.62);
}
.rail__foot-label{font-size:11px;letter-spacing:.16em;color:var(--cyan);}
.rail__foot-note{margin-top:6px;font-size:13px;line-height:1.65;color:var(--text);}
.rail__foot-link{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  font-weight:800;
  color:var(--cyan);
  border-bottom:1px solid rgba(47,243,208,.45);
}
.rail__foot-link:hover{border-bottom-color:var(--cyan);}

.nav-scrim{display:none;}

/* ---------- 9. footer ---------- */
.site-footer{
  position:relative;
  z-index:2;
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--line);
  background:var(--paper);
  color:var(--arena);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(28,69,105,.18) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(28,69,105,.18) 1px,transparent 1px);
  background-size:32px 32px;
  opacity:.7;
}
.footer-inner{
  position:relative;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(36px,5vw,64px) clamp(16px,3vw,32px) 26px;
}
.footer-lead{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:clamp(20px,4vw,56px);
  align-items:start;
  padding-bottom:clamp(24px,4vw,44px);
  border-bottom:1px solid rgba(28,69,105,.3);
}
.footer-lead__brand{display:flex;flex-direction:column;gap:8px;}
.footer-lead__line{
  margin-top:8px;
  font-size:clamp(20px,2.4vw,30px);
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--arena);
}
.brand--paper .brand__name{color:var(--arena);}
.brand--paper .brand__tag{color:#54697B;}
.brand--paper .brand__mark{border-color:var(--arena);background:var(--arena);color:var(--cyan);}
.footer-subscribe{
  padding:clamp(18px,2.4vw,24px);
  border:1px solid rgba(28,69,105,.22);
  border-radius:var(--r-lg);
  background:var(--white);
}
.footer-subscribe__title{font-size:18px;font-weight:900;letter-spacing:-.01em;color:var(--arena);}
.footer-subscribe__note{margin:8px 0 16px;font-size:14.5px;line-height:1.7;color:#42586B;}
.footer-columns{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,.9fr) minmax(0,1.7fr);
  gap:clamp(18px,3vw,40px);
  padding:clamp(26px,4vw,46px) 0;
}
.footer-col{min-width:0;}
.footer-col__title{font-size:12px;font-weight:900;letter-spacing:.2em;text-transform:uppercase;color:#5A7183;}
.footer-col__title::after{content:"";display:block;width:26px;height:3px;margin-top:8px;border-radius:2px;background:var(--cyan);}
.footer-col__list{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.footer-col__link{
  display:inline-block;
  font-size:15px;
  font-weight:600;
  color:var(--arena);
  border-bottom:1px solid transparent;
  transition:border-color .12s var(--ease),color .12s var(--ease);
}
.footer-col__link:hover{color:#0D2A47;border-bottom-color:var(--orange);}
.footer-col__item{display:flex;gap:10px;font-size:14.5px;line-height:1.65;color:#33475A;}
.footer-col__key{
  flex:none;
  align-self:flex-start;
  min-width:46px;
  margin-top:5px;
  padding:2px 8px;
  border-radius:var(--r-pill);
  background:rgba(47,243,208,.45);
  color:#0D2A47;
  font-size:10.5px;
  font-weight:700;
  letter-spacing:.1em;
  text-align:center;
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 24px;
  padding-top:22px;
  border-top:1px solid rgba(28,69,105,.3);
  font-size:13px;
  color:#5A7183;
}
.footer-base__copy{margin-right:auto;font-family:var(--font-mono);}
.footer-base__note{color:#5A7183;}
.footer-code{
  margin-top:18px;
  font-size:10.5px;
  letter-spacing:.22em;
  color:#8FA3B2;
}

/* ---------- 10. motion ---------- */
body.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
body.js-ready [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 11. responsive ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  body.is-nav-open{overflow:hidden;}
  .rail{
    width:min(320px,86vw);
    visibility:hidden;
    transform:translateX(-102%);
    box-shadow:26px 0 70px -34px rgba(0,0,0,.95);
    transition:transform .26s var(--ease),visibility .26s var(--ease);
  }
  .rail[data-open="true"]{visibility:visible;transform:translateX(0);}
  .nav-scrim[data-open="true"]{
    display:block;
    position:fixed;
    inset:var(--header-h) 0 0 0;
    z-index:65;
    background:rgba(3,12,22,.72);
  }
}
@media (max-width:900px){
  .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-col--wide{grid-column:1 / -1;}
}
@media (max-width:860px){
  .brand__tag{display:none;}
  .header-season{display:none;}
  .footer-lead{grid-template-columns:1fr;}
}
@media (max-width:600px){
  :root{--header-h:60px;}
  .footer-columns{grid-template-columns:1fr;}
  .footer-col--wide{grid-column:auto;}
  .brand__name{font-size:16px;}
  .brand__mark{width:36px;height:36px;border-radius:12px;}
  .btn{padding:10px 17px;font-size:14px;}
}
@media (max-width:560px){
  .header-actions .btn--signal{display:none;}
}

/* ---------- 12. reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  body.js-ready [data-reveal]{opacity:1 !important;transform:none !important;}
  .header-bar__progress-fill{transition:none !important;}
}