/* ==========================================================================
   乐鱼赛事入口 — 共享 Site Kit
   深夜赛事控制室 / 纵向叙事长卷 / 双层导航
   ========================================================================== */

/* 1. 设计令牌 ------------------------------------------------------------- */
:root{
  --c-abyss:#061423;
  --c-abyss-deep:#04101c;
  --c-console:#0B2239;
  --c-steel:#17384D;
  --c-cyan:#35F2D0;
  --c-signal:#19C8E6;
  --c-coral:#FF6B4A;
  --c-white:#EAF4F7;
  --c-mist:#8CA3B2;
  --c-violet:#7C5CFF;
  --c-teal:#0F766E;

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

  --line:rgba(23,56,77,.92);
  --line-soft:rgba(23,56,77,.55);
  --hair:rgba(53,242,208,.22);

  --radius-lg:28px;
  --radius-md:18px;
  --radius-pill:999px;

  --wrap:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* 2. Reset ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--c-abyss-deep);scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{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}
::selection{background:var(--c-cyan);color:#041320}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}

/* 3. 基底 ---------------------------------------------------------------- */
body{
  position:relative;
  background:transparent;
  color:var(--c-white);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(72% 56% at 6% -12%, rgba(25,200,230,.14), transparent 62%),
    radial-gradient(58% 48% at 98% 2%, rgba(124,92,255,.15), transparent 64%),
    radial-gradient(84% 62% at 50% 112%, rgba(15,118,110,.18), transparent 68%),
    linear-gradient(180deg,#061423 0%,#051220 52%,#04101c 100%);
}

/* 4. 排版 ---------------------------------------------------------------- */
h1,h2,h3,h4,h5{
  font-family:var(--f-head);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.015em;
  text-wrap:balance;
}
h1{font-size:clamp(38px,6.4vw,84px);letter-spacing:-.03em}
h2{font-size:clamp(26px,3.8vw,50px);letter-spacing:-.02em}
h3{font-size:clamp(19px,2.2vw,26px);line-height:1.3;letter-spacing:-.01em}
h4{font-size:clamp(16px,1.5vw,19px);line-height:1.45;letter-spacing:0}
p{max-width:72ch}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--f-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--c-signal);
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:var(--c-cyan);
  box-shadow:0 0 10px rgba(53,242,208,.7);
}
.lede{
  font-size:clamp(16px,1.4vw,19px);
  line-height:1.8;
  color:#C3D6E0;
  max-width:64ch;
}
.prose{max-width:70ch;color:#D2E2EA;font-size:16.5px}
.prose p+p{margin-top:1em}
.prose h3,.prose h4{margin-top:1.9em;margin-bottom:.55em}
.prose ul,.prose ol{display:grid;gap:.55em;margin-top:.9em}
.prose ul li{position:relative;padding-left:24px}
.prose ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--c-cyan);
  box-shadow:0 0 10px rgba(53,242,208,.65);
}
.prose a{color:var(--c-cyan);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose strong{color:#fff;font-weight:700}
.prose code{
  font-family:var(--f-mono);
  font-size:.92em;
  color:var(--c-signal);
  background:rgba(25,200,230,.1);
  border:1px solid rgba(25,200,230,.22);
  border-radius:6px;
  padding:1px 6px;
}

/* 5. 布局容器 ------------------------------------------------------------ */
.wrap{
  width:min(var(--wrap), 100% - var(--gutter) * 2);
  margin-inline:auto;
}
.site-main{position:relative;z-index:1;display:block}

.section{position:relative;padding-block:clamp(46px,6.5vw,100px)}
.section__head{
  display:grid;
  gap:14px;
  padding-bottom:18px;
  margin-bottom:clamp(22px,3.2vw,42px);
  border-bottom:1px solid var(--line-soft);
}
.section__num{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--c-mist);
}

.grid{display:grid;gap:clamp(16px,2vw,28px)}
.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(0,1.1fr) minmax(0,.9fr)}

/* 6. 跳转与焦点 ---------------------------------------------------------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-120px;
  z-index:200;
  display:inline-block;
  padding:10px 20px;
  border-radius:0 0 14px 14px;
  background:var(--c-cyan);
  color:#041320;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* 7. 头部 ---------------------------------------------------------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,20,35,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.hdr-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-cyan),var(--c-signal) 55%,var(--c-violet));
  box-shadow:0 0 14px rgba(53,242,208,.55);
  will-change:transform;
}

.hdr-rail{border-bottom:1px solid rgba(23,56,77,.6)}
.hdr-rail__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:62px;
  padding-block:10px;
}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  flex:none;
  width:10px;
  height:34px;
  border-radius:var(--radius-pill);
  background:linear-gradient(180deg,var(--c-cyan),var(--c-violet));
  box-shadow:0 0 20px rgba(53,242,208,.45);
}
.brand__text{display:grid;gap:2px;min-width:0}
.brand__name{
  font-family:var(--f-head);
  font-weight:900;
  font-size:17px;
  line-height:1.2;
  letter-spacing:.04em;
  color:var(--c-white);
}
.brand__tag{
  font-family:var(--f-mono);
  font-size:10.5px;
  line-height:1.3;
  letter-spacing:.13em;
  color:var(--c-mist);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.hdr-rail__right{display:flex;align-items:center;gap:12px}
.hdr-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(25,200,230,.06);
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:#B9CCD8;
  white-space:nowrap;
}
.hdr-status__dot{
  width:7px;height:7px;
  flex:none;
  border-radius:50%;
  background:var(--c-cyan);
  box-shadow:0 0 10px rgba(53,242,208,.9);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--f-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
  cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{
  background:var(--c-coral);
  color:#14100E;
  box-shadow:0 14px 30px -16px rgba(255,107,74,.95);
}
.btn--primary:hover{background:#FF805F;transform:translateY(-1px)}
.btn--ghost{
  background:rgba(25,200,230,.07);
  border-color:var(--c-steel);
  color:var(--c-white);
}
.btn--ghost:hover{
  border-color:rgba(53,242,208,.7);
  color:var(--c-cyan);
  background:rgba(53,242,208,.1);
}
.btn--sm{min-height:36px;padding:0 15px;font-size:12.5px}
.btn--block{width:100%}

/* 移动导航开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  min-height:40px;
  padding:0 14px;
  border:1px solid var(--c-steel);
  border-radius:var(--radius-pill);
  background:rgba(11,34,57,.7);
  color:var(--c-white);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(53,242,208,.7);color:var(--c-cyan)}
.nav-toggle__bars{display:grid;gap:5px;width:16px}
.nav-toggle__bars span{
  display:block;
  height:2px;
  width:100%;
  border-radius:2px;
  background:var(--c-cyan);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* 第二层导航 */
.site-nav{
  background:rgba(11,34,57,.55);
  border-bottom:1px solid var(--line);
}
.site-nav__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-block:8px;
}
.nav-list{display:flex;align-items:center;flex-wrap:wrap;gap:2px}
.nav-list__item{display:flex}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 14px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.01em;
  color:#AEC3D0;
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(25,200,230,.1)}
.nav-link[aria-current="page"]{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:#041320;
  box-shadow:0 0 22px -6px rgba(53,242,208,.85);
}
.nav-entry{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:36px;
  padding:0 16px;
  border:1px solid rgba(53,242,208,.38);
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.09em;
  color:var(--c-cyan);
  white-space:nowrap;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-entry:hover{
  background:rgba(53,242,208,.12);
  border-color:var(--c-cyan);
  box-shadow:0 0 20px -8px rgba(53,242,208,.8);
}
.nav-entry__dash{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--c-coral);
}

/* 8. 页脚 ---------------------------------------------------------------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  padding:clamp(40px,5.5vw,72px) 0 30px;
  overflow:hidden;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,34,57,.4) 0%,rgba(8,25,41,.96) 46%,#050f19 100%);
}
.ftr-glow{position:absolute;inset:0;pointer-events:none}
.ftr-glow::before{
  content:"";
  position:absolute;
  inset:-120px 0 auto 0;
  height:240px;
  background:
    radial-gradient(58% 100% at 14% 100%, rgba(53,242,208,.16), transparent 68%),
    radial-gradient(52% 100% at 86% 100%, rgba(124,92,255,.18), transparent 70%);
}
.ftr-glow::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,208,.85),rgba(25,200,230,.5),rgba(124,92,255,.75),transparent);
}

.ftr-top{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:clamp(28px,4vw,64px);
}
.ftr-brand__name{
  font-family:var(--f-head);
  font-weight:900;
  font-size:clamp(22px,2.6vw,30px);
  letter-spacing:-.01em;
  line-height:1.15;
}
.ftr-brand__note{
  margin-top:10px;
  max-width:34ch;
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-mist);
}
.ftr-brand .btn{margin-top:20px}

.ftr-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,3vw,44px)}
.ftr-col__title{
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--f-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-mist);
}
.ftr-col__list{display:grid;gap:10px}
.ftr-link{
  display:inline-block;
  font-size:15px;
  color:#BBD0DC;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.ftr-link:hover{color:var(--c-cyan);transform:translateX(3px)}
.ftr-link:focus-visible{outline:2px solid var(--c-cyan);outline-offset:4px;border-radius:3px}

.ftr-meta{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:clamp(22px,3.4vw,52px);
  margin-top:clamp(32px,4vw,56px);
  padding-top:24px;
  border-top:1px solid var(--line-soft);
}
.ftr-contact{display:grid;gap:8px}
.ftr-contact__row{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:12px;
  font-size:13.5px;
  line-height:1.7;
  color:#AFC4D0;
  max-width:none;
}
.ftr-contact__k{
  font-family:var(--f-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-mist);
  padding-top:2px;
}
.ftr-bottom{display:grid;gap:14px;justify-items:start;align-content:start}
.ftr-legal{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-mist);
  max-width:none;
}
.ftr-fine{display:flex;flex-wrap:wrap;gap:6px 18px}
.ftr-fine .ftr-link{font-size:12.5px;letter-spacing:.04em;color:var(--c-mist)}
.ftr-fine .ftr-link:hover{color:var(--c-cyan)}

/* 9. 通用内容组件 -------------------------------------------------------- */
.card{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(155deg,rgba(11,34,57,.92),rgba(6,20,35,.92));
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{border-color:rgba(53,242,208,.55);box-shadow:0 24px 48px -34px rgba(53,242,208,.8)}
.card h3{margin-bottom:.5em}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid rgba(53,242,208,.35);
  border-radius:var(--radius-pill);
  background:rgba(53,242,208,.09);
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-cyan);
  white-space:nowrap;
}
.tag--violet{border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.16);color:#BCABFF}
.tag--coral{border-color:rgba(255,107,74,.45);background:rgba(255,107,74,.14);color:#FFA48F}

.stat{display:grid;gap:2px}
.stat__value{
  font-family:var(--f-mono);
  font-size:clamp(22px,2.6vw,34px);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--c-cyan);
}
.stat__label{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-mist);
}

/* 面包屑 */
.breadcrumbs{padding-block:18px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;color:var(--c-mist)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-steel)}
.crumbs a{color:var(--c-mist);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--c-cyan)}
.crumbs [aria-current="page"]{color:var(--c-white)}

/* 图片容器基础（页面阶段放置真实图片或占位） */
.figure-frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  aspect-ratio:16 / 9;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(25,200,230,.18), transparent 58%),
    radial-gradient(100% 100% at 100% 100%, rgba(124,92,255,.2), transparent 62%),
    linear-gradient(160deg,var(--c-console),var(--c-abyss));
}
.figure-frame > img,
.figure-frame > picture,
.figure-frame > picture > img{width:100%;height:100%}
.figure-frame > img,
.figure-frame > picture > img{object-fit:cover;display:block}
.figure-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(53,242,208,.1);
  background:linear-gradient(180deg,transparent 42%,rgba(6,20,35,.62) 100%);
}
.figure-frame--wide{aspect-ratio:21 / 9}
.figure-frame--square{aspect-ratio:1 / 1}
.figure-frame--tall{aspect-ratio:4 / 5}
.figure-frame__cap{
  position:absolute;
  left:16px;
  bottom:14px;
  z-index:1;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-cyan);
}

/* 滚动显现 */
[data-reveal]{transition:opacity .55s var(--ease),transform .55s var(--ease)}
[data-reveal].is-pending{opacity:0;transform:translateY(16px)}

/* 10. 响应式 ------------------------------------------------------------- */
@media (max-width:1080px){
  .hdr-status{display:none}
  .ftr-top{grid-template-columns:minmax(0,1fr);gap:32px}
  .ftr-meta{grid-template-columns:minmax(0,1fr)}
}

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

@media (max-width:860px){
  :root{--gutter:18px}
  body{font-size:16px;line-height:1.72}

  .hdr-rail__inner{min-height:56px;padding-block:8px;gap:12px}
  .brand__tag{display:none}
  .brand__name{font-size:16px}

  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    left:0;right:0;top:100%;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    background:linear-gradient(180deg,rgba(11,34,57,.99),rgba(6,20,35,.99));
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 50px -28px rgba(0,0,0,.9);
    transition:max-height .3s var(--ease),visibility .3s var(--ease);
  }
  .site-nav[data-open]{
    max-height:76vh;
    overflow-y:auto;
    visibility:visible;
  }
  .site-nav__inner{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:6px;
    padding-block:14px 20px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list__item{width:100%}
  .nav-link{
    width:100%;
    min-height:48px;
    padding:0 16px;
    border-radius:14px;
    font-size:15px;
  }
  .nav-entry{
    margin-top:10px;
    justify-content:space-between;
    min-height:48px;
    padding:0 16px;
    border-radius:14px;
    font-size:13px;
  }

  .ftr-cols{grid-template-columns:minmax(0,1fr)}
  .ftr-contact__row{grid-template-columns:44px minmax(0,1fr);gap:10px}
  .section{padding-block:44px}
}

@media (max-width:700px){
  .hdr-cta{display:none}
}

@media (max-width:520px){
  .btn{min-height:44px;padding:0 18px;font-size:13.5px}
  .btn--sm{min-height:34px;padding:0 13px;font-size:12px}
  .brand__mark{height:28px;width:8px}
  .figure-frame__cap{left:12px;bottom:10px;font-size:10px;letter-spacing:.1em}
  .site-footer{padding-bottom:22px}
}

/* 11. 动效降级 ----------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal].is-pending{opacity:1;transform:none}
  .ftr-link:hover{transform:none}
  .btn--primary:hover{transform:none}
}