/* ==========================================================================
   开运体育看台 · 全站共享样式  /assets/site.css
   夜场看台视觉系统：夜墨绿为底，灯光金为光斑，草皮青承担数据与分隔，
   看台暗红标注联赛归属，琥珀只留给重点场次。
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --night:#0E1F1A;
  --deep:#14322A;
  --moss:#2F5D4A;
  --turf:#4E8F6B;
  --gold:#E8B54A;
  --amber:#F2A33C;
  --brick:#7A2E2B;
  --stone:#6E7A74;
  --cream:#F4EFE4;
  --ink:#08110E;

  --shell:1200px;
  --gutter:clamp(1rem,4vw,2.5rem);
  --radius-s:12px;
  --radius-m:20px;
  --radius-l:30px;

  --hair:rgba(78,143,107,.26);
  --hair-soft:rgba(78,143,107,.15);
  --text-soft:rgba(244,239,228,.72);

  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",monospace;

  --shadow-lift:0 22px 46px -26px rgba(0,0,0,.92);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 重置与基础 ---------- */
*,
*::before,
*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:104px;
}

body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--cream);
  background-color:var(--night);
  background-image:
    radial-gradient(1100px 640px at 82% -12%, rgba(232,181,74,.10), transparent 60%),
    radial-gradient(880px 520px at 4% 10%, rgba(78,143,107,.11), transparent 62%),
    linear-gradient(180deg, #0E1F1A 0%, #0B1915 58%, #08110E 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,
svg,
video{max-width:100%;height:auto;}

h1,h2,h3,h4{
  margin:0 0 .6em;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--cream);
}
h1{font-size:clamp(2.1rem,5.6vw,3.9rem);}
h2{font-size:clamp(1.5rem,2.9vw,2.3rem);}
h3{font-size:clamp(1.15rem,2vw,1.4rem);}
h4{font-size:1.02rem;}

p{margin:0 0 1.05em;max-width:64ch;}

a{color:var(--gold);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:.22em;}

ul,ol{margin:0 0 1.1em;padding-left:1.15em;}

button{font:inherit;color:inherit;}

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:6px;
}

.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;
}

/* ---------- 3. 跳至主要内容 ---------- */
.skip-link{
  position:absolute;
  left:50%;
  top:.5rem;
  z-index:200;
  padding:.6rem 1.15rem;
  border-radius:999px;
  background:var(--gold);
  color:var(--ink);
  font-size:.85rem;
  font-weight:700;
  transform:translate(-50%,-240%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{
  transform:translate(-50%,0);
  text-decoration:none;
}

/* ---------- 4. 页头：悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:.6rem clamp(.7rem,3vw,1.6rem) .78rem;
  background:linear-gradient(180deg, rgba(8,17,14,.96) 0%, rgba(8,17,14,.74) 62%, rgba(8,17,14,0) 100%);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

.progress-rail{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:rgba(110,122,116,.18);
  overflow:hidden;
  pointer-events:none;
}
.progress-fill{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--turf) 0%,var(--gold) 68%,var(--amber) 100%);
  box-shadow:0 0 12px rgba(232,181,74,.55);
  transition:width .12s linear;
}

.nav-capsule{
  position:relative;
  max-width:var(--shell);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:clamp(.6rem,1.8vw,1.4rem);
  padding:.55rem .6rem .55rem 1.05rem;
  border-radius:999px;
  background:linear-gradient(115deg, rgba(20,50,42,.94), rgba(12,26,22,.9));
  border:1px solid rgba(78,143,107,.28);
  box-shadow:0 20px 40px -28px rgba(0,0,0,.95), inset 0 1px 0 rgba(244,239,228,.05);
  transition:padding .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header[data-scrolled="true"] .nav-capsule{
  padding:.34rem .5rem .34rem .9rem;
  background:linear-gradient(115deg, rgba(15,40,33,.97), rgba(8,17,14,.96));
  box-shadow:0 16px 34px -24px rgba(0,0,0,.98), inset 0 1px 0 rgba(244,239,228,.07);
}

.brand{
  display:flex;
  flex-direction:column;
  flex:0 0 auto;
  gap:.05rem;
  padding-right:clamp(.6rem,1.6vw,1.1rem);
  border-right:1px solid rgba(78,143,107,.3);
  text-decoration:none;
}
.brand:hover{text-decoration:none;}
.brand-mark{
  font-family:var(--font-display);
  font-size:1.05rem;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--cream);
  white-space:nowrap;
}
.brand-mark em{
  font-style:normal;
  color:var(--gold);
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.14em;
  color:var(--stone);
  white-space:nowrap;
}

.nav-list{
  display:flex;
  flex:1 1 auto;
  align-items:center;
  gap:.12rem;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-list a{
  display:block;
  padding:.48rem .78rem;
  border-radius:999px;
  border:1px solid transparent;
  font-size:.85rem;
  color:rgba(244,239,228,.75);
  white-space:nowrap;
  text-decoration:none;
  transition:color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}
.nav-list a:hover{
  color:var(--cream);
  background:rgba(78,143,107,.18);
  text-decoration:none;
}
.nav-list a[aria-current="page"]{
  color:#1A1305;
  font-weight:700;
  background:linear-gradient(140deg,var(--gold),var(--amber));
  border-color:rgba(242,163,60,.6);
}
.nav-list a[aria-current="page"]:hover{
  color:#1A1305;
  background:linear-gradient(140deg,var(--gold),var(--amber));
}

.nav-actions{
  display:flex;
  flex:0 0 auto;
  align-items:center;
  gap:.5rem;
  margin-left:auto;
}

.nav-toggle{
  display:none;
  position:relative;
  width:42px;
  height:42px;
  flex:0 0 auto;
  padding:0;
  border-radius:50%;
  border:1px solid rgba(78,143,107,.45);
  background:rgba(20,50,42,.7);
  color:var(--cream);
  cursor:pointer;
  transition:border-color .2s var(--ease), background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);}
.nav-toggle-bars{
  position:absolute;
  left:50%;
  top:50%;
  width:17px;
  height:2px;
  margin:-1px 0 0 -8.5px;
  border-radius:2px;
  background:currentColor;
  transition:background-color .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:17px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .22s var(--ease);
}
.nav-toggle-bars::before{top:-6px;}
.nav-toggle-bars::after{top:6px;}
.nav-capsule[data-open="true"] .nav-toggle-bars{background:transparent;}
.nav-capsule[data-open="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg);}
.nav-capsule[data-open="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 5. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(3rem,8vw,6rem);
  overflow:hidden;
  color:rgba(244,239,228,.78);
  background:linear-gradient(180deg, rgba(8,17,14,.35) 0%, var(--ink) 42%);
  border-top:1px solid var(--hair);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:-46% 58% auto -18%;
  height:340px;
  background:radial-gradient(closest-side, rgba(232,181,74,.11), transparent 72%);
  pointer-events:none;
}
.footer-inner{
  position:relative;
  max-width:var(--shell);
  margin:0 auto;
  padding:clamp(2.4rem,6vw,4rem) var(--gutter) 1.5rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(1.6rem,4vw,3rem);
}

.footer-logo{
  margin:0 0 .5rem;
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--cream);
}
.footer-note{
  margin:0 0 .8rem;
  max-width:34ch;
  font-size:.86rem;
  line-height:1.8;
  color:rgba(244,239,228,.62);
}
.footer-night{
  margin:0;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--gold);
}

.footer-heading{
  margin:0 0 .75rem;
  font-family:var(--font-body);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--turf);
}

.footer-links{
  display:grid;
  gap:.42rem;
  margin:0 0 1rem;
  padding:0;
  list-style:none;
}
.footer-links a{
  font-size:.87rem;
  color:rgba(244,239,228,.76);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.footer-links a:hover{
  color:var(--gold);
  text-decoration:none;
}
.footer-hint{
  margin:0;
  max-width:30ch;
  font-size:.76rem;
  line-height:1.7;
  color:var(--stone);
}

.footer-contact-list{
  display:grid;
  gap:.7rem;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-contact-list li{
  display:grid;
  gap:.2rem;
  font-size:.86rem;
  line-height:1.65;
  color:rgba(244,239,228,.82);
}
.footer-label{
  font-size:.7rem;
  letter-spacing:.18em;
  color:var(--stone);
}

.footer-base{
  display:grid;
  gap:.7rem;
  margin-top:clamp(1.8rem,4vw,2.6rem);
  padding-top:1.2rem;
  border-top:1px solid rgba(78,143,107,.2);
  font-size:.82rem;
  color:var(--stone);
}
.footer-base-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem 1.15rem;
  margin:0;
  max-width:none;
}
.footer-base-links a{color:rgba(244,239,228,.7);}
.footer-icp{
  font-family:var(--font-mono);
  letter-spacing:.02em;
  color:var(--stone);
}
.footer-base-note{
  margin:0;
  max-width:82ch;
  font-size:.78rem;
  line-height:1.8;
  color:var(--stone);
}
.footer-base-year{
  margin:0;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.1em;
  color:rgba(110,122,116,.85);
}

/* ---------- 6. 容器与节奏 ---------- */
.wrap{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
}
.section{
  padding:clamp(2rem,6vw,3.6rem) 0;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin:0 0 .8rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:currentColor;
  opacity:.72;
}

.breadcrumb{
  margin:clamp(1.2rem,3vw,2rem) 0 0;
  font-size:.8rem;
  color:var(--stone);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem .55rem;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li{
  display:flex;
  align-items:center;
  gap:.55rem;
}
.breadcrumb li + li::before{
  content:"/";
  color:rgba(110,122,116,.6);
}
.breadcrumb a{color:var(--text-soft);}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb [aria-current="page"]{color:var(--gold);}

/* ---------- 7. 横向主题带 ---------- */
.band{
  position:relative;
  margin:clamp(2rem,5vw,3.2rem) 0;
  padding:clamp(1.1rem,2.8vw,1.7rem) 0;
  overflow:hidden;
  border-top:1px solid rgba(78,143,107,.28);
  border-bottom:1px solid rgba(78,143,107,.28);
  background:linear-gradient(90deg, rgba(47,93,74,.24) 0%, rgba(14,31,26,0) 64%);
}
.band-label{
  display:block;
  margin-bottom:.45rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  color:var(--turf);
}
.band-title{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.3rem,3.4vw,2.1rem);
  color:var(--cream);
}

/* ---------- 8. 卡片与标签 ---------- */
.card{
  position:relative;
  padding:clamp(1.1rem,2.4vw,1.6rem);
  border-radius:var(--radius-m);
  background:linear-gradient(155deg, rgba(20,50,42,.9), rgba(11,25,21,.86));
  border:1px solid rgba(78,143,107,.24);
  box-shadow:var(--shadow-lift);
}
.card h3{margin-bottom:.4em;}
.card p:last-child,
.card ul:last-child{margin-bottom:0;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.22rem .62rem;
  border-radius:999px;
  border:1px solid rgba(78,143,107,.42);
  background:rgba(47,93,74,.14);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--turf);
}
.tag--amber{
  border-color:rgba(242,163,60,.55);
  background:rgba(242,163,60,.12);
  color:var(--amber);
}
.tag--gold{
  border-color:rgba(232,181,74,.55);
  background:rgba(232,181,74,.1);
  color:var(--gold);
}
.tag--brick{
  border-color:rgba(122,46,43,.72);
  background:rgba(122,46,43,.24);
  color:#E4A7A2;
}

.num{
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}

.sidenote{
  display:inline-block;
  font-size:.74rem;
  letter-spacing:.18em;
  color:var(--stone);
  writing-mode:vertical-rl;
  text-orientation:mixed;
}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  padding:.62rem 1.15rem;
  border:1px solid transparent;
  border-radius:999px;
  font-size:.85rem;
  font-weight:700;
  letter-spacing:.03em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{
  background:linear-gradient(135deg, var(--gold), var(--amber));
  color:#1A1305;
  box-shadow:0 10px 24px -14px rgba(232,181,74,.95);
}
.btn-primary:hover{box-shadow:0 14px 28px -14px rgba(242,163,60,1);}
.btn-ghost{
  background:transparent;
  border-color:rgba(78,143,107,.45);
  color:var(--cream);
}
.btn-ghost:hover{
  border-color:var(--gold);
  background:rgba(78,143,107,.14);
}

/* ---------- 10. 图片容器（供页面阶段放置现场影像） ---------- */
.frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-l);
  background:linear-gradient(160deg, var(--deep), var(--ink));
  border:1px solid rgba(78,143,107,.24);
}
.frame > img,
.frame > picture > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.94) contrast(1.04);
}
.frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(8,17,14,0) 42%, rgba(8,17,14,.74) 100%);
  pointer-events:none;
}
.frame--wide{aspect-ratio:16 / 9;}
.frame--panorama{aspect-ratio:21 / 9;}
.frame--tall{aspect-ratio:3 / 4;}
.frame--square{aspect-ratio:1 / 1;}
.frame--plain::after{display:none;}
.frame-caption{
  position:absolute;
  left:1rem;
  right:1rem;
  bottom:.85rem;
  z-index:2;
  margin:0;
  font-size:.76rem;
  letter-spacing:.04em;
  color:rgba(244,239,228,.84);
}

/* ---------- 11. 显现与返回顶部 ---------- */
[data-reveal]{
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}
[data-reveal="pending"]{
  opacity:0;
  transform:translateY(16px);
}
[data-reveal="shown"]{
  opacity:1;
  transform:none;
}

.to-top{
  position:fixed;
  right:clamp(.9rem,3vw,1.6rem);
  bottom:clamp(.9rem,3vw,1.6rem);
  z-index:80;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  padding:0;
  border-radius:50%;
  border:1px solid rgba(232,181,74,.5);
  background:rgba(14,31,26,.9);
  color:var(--gold);
  font-size:1.05rem;
  line-height:1;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s linear, border-color .2s var(--ease), background-color .2s var(--ease);
}
.to-top[data-visible="true"]{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.to-top:hover{
  border-color:var(--amber);
  background:rgba(20,50,42,.96);
}

/* ---------- 12. 响应式 ---------- */
@media (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (min-width:1000px){
  .footer-grid{grid-template-columns:1.15fr .8fr .95fr 1.15fr;}
  .footer-base{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    align-items:start;
  }
  .footer-base-links{grid-column:1 / -1;}
}

@media (max-width:960px){
  .nav-toggle{display:inline-block;}
  .brand-sub{display:none;}
  .nav-list{
    position:absolute;
    top:calc(100% + .55rem);
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:.18rem;
    padding:.7rem;
    border-radius:var(--radius-m);
    background:linear-gradient(165deg, rgba(20,50,42,.99), rgba(8,17,14,.99));
    border:1px solid rgba(78,143,107,.34);
    box-shadow:var(--shadow-lift);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s linear;
  }
  .nav-capsule[data-open="true"] .nav-list{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-list a{
    padding:.72rem .9rem;
    font-size:.95rem;
    border-radius:var(--radius-s);
  }
  .nav-list a[aria-current="page"]{border-radius:var(--radius-s);}
}

@media (max-width:640px){
  .nav-actions .btn-primary{display:none;}
  .brand-mark{font-size:.98rem;}
  .frame{border-radius:var(--radius-m);}
  .band{padding:1rem 0;}
}

/* ---------- 13. 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal="pending"]{
    opacity:1;
    transform:none;
  }
  .btn:hover,
  .to-top[data-visible="true"]{
    transform:none;
  }
}