/* ==========================================================================
   完美体育赛场 · 共享样式 /assets/site.css
   夜间赛场控制台 / 框架式导航 / 堆叠面板 / 珠宝色分区
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#061A15;
  --panel:#0D2A21;
  --panel-deep:#08211A;
  --glass:rgba(53,242,208,.12);
  --glass-line:rgba(53,242,208,.22);
  --cyan:#35F2D0;
  --amber:#F5B942;
  --wine:#7A1F3D;
  --indigo:#3B2A6B;
  --mist:#EAF6F1;
  --muted:#9DB8AE;
  --line:#2F4A40;
  --line-soft:rgba(47,74,64,.55);
  --edge:clamp(16px,3.2vw,40px);
  --rail-w:244px;
  --bar-h:58px;
  --r:3px;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,"Courier New",monospace;
  --shadow:0 24px 60px rgba(0,0,0,.5);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,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;cursor:pointer;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-weight:800;line-height:1.15;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px;}
::selection{background:var(--cyan);color:#04140F;}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.display-1,.display-2,.h3{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.04;
}
.display-1{font-size:clamp(34px,6vw,68px);}
.display-2{font-size:clamp(26px,4.2vw,42px);line-height:1.08;}
.h3{font-size:clamp(19px,2.4vw,26px);line-height:1.22;letter-spacing:-.01em;}
.lede{font-size:clamp(15px,1.6vw,17px);line-height:1.8;color:#CFE4DC;max-width:38em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--cyan);}
.annot{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.36em;
  color:var(--muted);text-transform:uppercase;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.fee{
  display:block;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1;
  color:var(--amber);letter-spacing:-.02em;
}
.tag{
  display:inline-block;padding:3px 9px;border:1px solid var(--line);border-radius:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--muted);
}
.tag--cyan{border-color:var(--glass-line);color:var(--cyan);background:rgba(53,242,208,.08);}
.tag--amber{border-color:rgba(245,185,66,.4);color:var(--amber);background:rgba(245,185,66,.08);}
.rule{height:1px;border:0;background:var(--line);margin:0;}

/* ---------- 4. 容器与网格 ---------- */
.wrap{
  width:100%;max-width:1240px;margin-inline:auto;
  padding-inline:var(--edge);
}
.section{padding-block:clamp(40px,7vw,88px);}
.grid{
  display:grid;gap:clamp(12px,2vw,22px);
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.span-full{grid-column:1/-1;}
@media (min-width:760px){
  .grid{grid-template-columns:repeat(8,minmax(0,1fr));}
  .span-3{grid-column:span 3;}
  .span-4{grid-column:span 4;}
  .span-5{grid-column:span 5;}
  .span-6{grid-column:span 6;}
  .span-8{grid-column:span 8;}
}
@media (min-width:1080px){
  .grid{grid-template-columns:repeat(12,minmax(0,1fr));}
  .span-3{grid-column:span 3;}
  .span-4{grid-column:span 4;}
  .span-5{grid-column:span 5;}
  .span-6{grid-column:span 6;}
  .span-7{grid-column:span 7;}
  .span-8{grid-column:span 8;}
}

/* ---------- 5. 面板与按钮 ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:clamp(18px,3vw,30px);
}
.panel--glass{
  background:var(--glass);
  border-color:var(--glass-line);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.panel--wine{background:linear-gradient(140deg,rgba(122,31,61,.88),rgba(122,31,61,.42));border-color:rgba(234,246,241,.14);}
.panel--indigo{background:linear-gradient(140deg,rgba(59,42,107,.9),rgba(59,42,107,.42));border-color:rgba(234,246,241,.14);}
.panel--cut{clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 18px));}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:1px solid transparent;border-radius:2px;
  font-size:14px;font-weight:700;letter-spacing:.04em;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--cyan);color:#04140F;}
.btn--primary:hover{background:#6BFFE2;box-shadow:0 0 0 3px rgba(53,242,208,.18);}
.btn--amber{background:var(--amber);color:#1B1200;}
.btn--amber:hover{background:#FFCB5C;box-shadow:0 0 0 3px rgba(245,185,66,.18);}
.btn--ghost{background:rgba(53,242,208,.05);border-color:var(--line);color:var(--mist);}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb{margin-bottom:clamp(14px,2vw,24px);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--line);}

/* ---------- 7. 图片容器基础规则 ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:2px;
  aspect-ratio:16/9;
  background:
    repeating-linear-gradient(135deg,rgba(53,242,208,.07) 0 1px,transparent 1px 12px),
    linear-gradient(160deg,var(--panel-deep),#04120E);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame--wide{aspect-ratio:21/9;}
.media-frame--tall{aspect-ratio:3/4;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame__label{
  position:absolute;left:0;bottom:0;padding:6px 11px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--cyan);background:rgba(6,26,21,.78);
  border-top:1px solid var(--glass-line);border-right:1px solid var(--glass-line);
}

/* ---------- 8. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;border-radius:2px;
  background:var(--amber);color:#1B1200;
  font-size:14px;font-weight:700;
  transform:translateY(-200%);
  transition:transform .2s ease;
}
.skip-link:focus-visible{transform:translateY(0);outline-color:var(--mist);}

/* ---------- 9. 页头 / 框架式导航（移动优先） ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:linear-gradient(180deg,rgba(6,26,21,.98),rgba(7,31,25,.92));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.rail{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-height:var(--bar-h);
  padding:9px var(--edge);
}

/* 品牌 */
.brand{
  order:1;flex:1 1 auto;min-width:0;
  display:flex;align-items:center;gap:9px;
}
.brand__mark{
  position:relative;flex:0 0 26px;width:26px;height:26px;
  border:1px solid rgba(53,242,208,.55);border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(53,242,208,.95) 0 2.5px,transparent 3px);
}
.brand__mark::after{
  content:"";position:absolute;inset:5px;border-radius:50%;
  border:1px solid rgba(245,185,66,.75);
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-38deg);
}
.brand__text{
  font-family:var(--font-display);font-weight:900;
  font-size:16px;letter-spacing:.02em;line-height:1.1;
  color:var(--mist);white-space:nowrap;
}
.brand__sub{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.2em;
  color:var(--muted);text-transform:uppercase;white-space:nowrap;
}

/* 费用速查 */
.rail__foot{
  order:2;flex:0 0 auto;
  display:flex;flex-direction:column;align-items:flex-start;gap:8px;
}
.rail__cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 13px;border-radius:2px;
  background:var(--amber);color:#1B1200;
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;
  white-space:nowrap;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.rail__cta:hover{background:#FFCB5C;box-shadow:0 0 0 3px rgba(245,185,66,.18);}
.rail__note{display:none;}

/* 索引按钮 */
.nav-toggle{
  order:3;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:8px 10px;
  border:1px solid var(--line);border-radius:2px;
  background:rgba(13,42,33,.75);
  color:var(--mist);
  font-size:12px;letter-spacing:.14em;
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-toggle:hover{border-color:var(--cyan);background:rgba(53,242,208,.1);}
.nav-toggle__bars{display:grid;gap:4px;width:16px;}
.nav-toggle__bars i{display:block;height:2px;background:var(--cyan);transition:transform .24s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-toggle__text{white-space:nowrap;}

/* 导航面板（移动） */
.rail__nav{
  position:absolute;left:0;right:0;top:100%;z-index:80;
  max-height:calc(100vh - var(--bar-h) - 16px);
  overflow-y:auto;
  padding:14px var(--edge) 24px;
  background:
    radial-gradient(120% 80% at 100% 0%,rgba(59,42,107,.55),transparent 62%),
    linear-gradient(180deg,#0A241C,#071F19);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}
.rail__nav[data-open="true"]{opacity:1;visibility:visible;transform:translateY(0);}
.rail__list{display:flex;flex-direction:column;}
.rail__list a{
  display:grid;grid-template-columns:40px 1fr;align-items:center;gap:10px;
  padding:13px 2px;
  border-bottom:1px solid var(--line-soft);
  border-left:2px solid transparent;
  padding-left:12px;
  font-size:15px;letter-spacing:.05em;color:var(--muted);
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.rail__num{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--amber);opacity:.8;}
.rail__label{min-width:0;}
.rail__list a:hover{color:var(--mist);background:rgba(53,242,208,.07);border-left-color:var(--glass-line);}
.rail__list a[aria-current="page"]{
  color:var(--mist);border-left-color:var(--cyan);
  background:linear-gradient(90deg,rgba(53,242,208,.16),transparent 72%);
}
.rail__list a[aria-current="page"] .rail__num{opacity:1;}

.rail__rot{display:none;}

/* 进度计分条 */
.rail__meter{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(47,74,64,.65);
  pointer-events:none;
}
.rail__meter-fill{
  display:block;width:var(--p,0%);height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transition:width .12s linear;
}

@media (max-width:399px){
  .brand__sub{display:none;}
  .nav-toggle__text{display:none;}
}
@media (max-width:1079px){
  body.is-nav-open{overflow:hidden;}
}

/* 桌面：框架式左栏 */
@media (min-width:1080px){
  body{padding-left:var(--rail-w);}
  .site-header{
    position:fixed;inset:0 auto 0 0;width:var(--rail-w);z-index:90;
    border-bottom:0;border-right:1px solid var(--line);
    background:linear-gradient(180deg,#082A22 0%,#061A15 46%,#07201A 100%);
    -webkit-backdrop-filter:none;backdrop-filter:none;
  }
  .rail{
    display:flex;flex-direction:column;align-items:stretch;
    height:100vh;min-height:0;gap:0;padding:0;
  }
  .rail::before{
    content:"";position:absolute;left:0;right:0;bottom:0;height:78px;
    background:linear-gradient(90deg,rgba(122,31,61,.62),rgba(59,42,107,.4));
    clip-path:polygon(0 100%,0 38%,100% 100%);
    pointer-events:none;opacity:.85;
  }
  .brand{
    order:1;flex:0 0 auto;
    flex-direction:column;align-items:flex-start;gap:9px;
    padding:26px 22px 20px;
    border-bottom:1px solid var(--line);
  }
  .brand__text{font-size:21px;}
  .brand__sub{font-size:9px;letter-spacing:.24em;}
  .rail__nav{
    order:2;position:static;flex:1 1 auto;
    max-height:none;overflow-y:auto;
    padding:16px 0 0;
    background:none;border:0;box-shadow:none;
    opacity:1;visibility:visible;transform:none;
    transition:none;
  }
  .rail__list a{
    grid-template-columns:38px 1fr;
    padding:13px 20px 13px 20px;
    font-size:14px;
    border-bottom:1px solid var(--line-soft);
  }
  .rail__foot{
    order:3;flex:0 0 auto;
    position:relative;z-index:1;
    width:100%;
    padding:18px 20px 26px;
    border-top:1px solid var(--line);
    gap:10px;
  }
  .rail__cta{width:100%;padding:11px 12px;}
  .rail__note{
    display:block;font-size:11px;line-height:1.65;color:var(--muted);
  }
  .nav-toggle{display:none;}
  .rail__rot{
    display:block;position:absolute;right:11px;top:190px;
    color:rgba(157,184,174,.5);
  }
  .rail__meter{left:auto;right:-1px;top:0;bottom:0;width:2px;height:auto;}
  .rail__meter-fill{
    width:100%;height:var(--p,0%);
    background:linear-gradient(180deg,var(--cyan),var(--amber));
    transition:height .12s linear;
  }
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:linear-gradient(180deg,#08211A 0%,#04120E 76%);
  border-top:1px solid var(--line);
  color:var(--mist);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:130px;
  background:linear-gradient(100deg,rgba(122,31,61,.6),rgba(59,42,107,.34) 52%,transparent 80%);
  clip-path:polygon(0 0,100% 0,100% 32%,0 100%);
  pointer-events:none;
}
.footer__frame{
  position:relative;z-index:1;
  max-width:1280px;margin-inline:auto;
  padding:clamp(34px,5vw,66px) var(--edge) 0;
  display:grid;grid-template-columns:1fr;gap:clamp(26px,4vw,44px);
}
.footer__brand{display:flex;flex-direction:column;gap:10px;}
.footer__logo{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(26px,5vw,44px);line-height:1.05;letter-spacing:-.03em;
  display:flex;align-items:center;gap:12px;
}
.footer__logo::before{
  content:"";width:26px;height:26px;flex:0 0 26px;
  background:linear-gradient(135deg,var(--cyan),var(--amber));
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.footer__tag{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--muted);max-width:30ch;line-height:1.7;
}
.footer__cols{display:grid;grid-template-columns:1fr;gap:22px;}
.footer__col{min-width:0;}
.footer__title{
  font-family:var(--font-mono);font-size:11.5px;font-weight:700;
  letter-spacing:.2em;color:var(--muted);text-transform:none;
  margin-bottom:12px;padding-bottom:9px;
  border-bottom:1px solid var(--line-soft);
  position:relative;
}
.footer__title::before{
  content:"";position:absolute;left:0;bottom:-1px;width:26px;height:2px;background:var(--cyan);
}
.footer__list{display:flex;flex-direction:column;gap:2px;}
.footer__list a{
  display:inline-block;padding:5px 0;
  font-size:14px;line-height:1.6;color:var(--mist);
  background-image:linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:color .2s ease,background-size .25s ease;
}
.footer__list a:hover{color:var(--cyan);background-size:100% 1px;}
.footer__contact{
  display:flex;flex-direction:column;gap:10px;
  padding:clamp(16px,2.6vw,24px);
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.footer__contact .footer__title{margin-bottom:2px;}
.footer__contact-line{
  display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:start;
  font-size:13.5px;line-height:1.7;
}
.footer__label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--amber);padding-top:3px;
}
.footer__value{color:var(--mist);word-break:break-word;}
.footer__contact-note{
  margin-top:4px;font-size:12px;line-height:1.7;color:var(--muted);
  border-top:1px solid var(--line-soft);padding-top:10px;
}
.footer__legal{
  position:relative;z-index:1;
  margin-top:clamp(28px,4vw,52px);
  border-top:1px solid var(--line);
  background:rgba(4,18,14,.72);
}
.footer__legal-inner{
  max-width:1280px;margin-inline:auto;
  padding:16px var(--edge) 22px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
}
.footer__legal-text{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;
  color:var(--muted);line-height:1.7;
}

@media (min-width:560px){
  .footer__cols{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
}
@media (min-width:920px){
  .footer__frame{grid-template-columns:1.05fr 1.25fr;column-gap:clamp(34px,5vw,72px);}
  .footer__brand{grid-column:1;grid-row:1;}
  .footer__contact{grid-column:1;grid-row:2;align-self:start;}
  .footer__cols{grid-column:2;grid-row:1 / span 2;align-self:start;}
}

/* ---------- 11. 显现动画 ---------- */
.has-js [data-reveal]{
  opacity:.6;
  transform:translateY(14px);
  transition:opacity .34s ease,transform .34s ease;
  transition-delay:var(--rd,0ms);
}
.has-js [data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 12. 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none;}
  .rail__nav{transition:none;}
  .rail__meter-fill{transition:none;}
}