/* =============================================================
   乐竞体育主站 · 共享样式表 /assets/site.css
   深绿近单色体系 · 电子脉冲青交互强调 · 荧光橙数据强调
   ============================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --night:#06130F;
  --turf:#0B1F18;
  --mid:#123026;
  --line:#1C4636;
  --stand:#2E6B52;
  --moss:#6FAF92;
  --score:#E8F3EC;
  --pulse:#7FE3D0;
  --flare:#FF8A3D;
  --haze:#9FB5A9;
  --edge:#274A3C;

  --font-impact:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:1280px;
  --gutter:clamp(20px,4vw,56px);
  --gap:24px;
  --header-h:76px;
  --radius:3px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.32s;
}

/* ---------- 2. 重置与基础 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--night);
  background-image:
    radial-gradient(120% 90% at 12% -10%, rgba(28,70,54,.55) 0%, rgba(6,19,15,0) 58%),
    radial-gradient(90% 70% at 100% 0%, rgba(46,107,82,.28) 0%, rgba(6,19,15,0) 60%);
  background-repeat:no-repeat;
  color:var(--score);
  font-family:var(--font-body);
  font-size:1rem;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;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%;}
::selection{background:rgba(127,227,208,.3);color:var(--score);}

:where(a,button,summary,input,select,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--pulse);
  outline-offset:2px;
  border-radius:2px;
}

.skip-link{
  position:absolute;
  top:-72px;left:16px;
  z-index:200;
  padding:10px 18px;
  background:var(--pulse);
  color:var(--night);
  font-size:.875rem;
  font-weight:700;
  letter-spacing:.04em;
  text-decoration:none;
  border-radius:2px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px;}

.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- 3. 排版层级 ---------- */
.h-impact{
  font-family:var(--font-impact);
  font-weight:900;
  font-size:clamp(2.6rem,7vw,6.4rem);
  line-height:.95;
  letter-spacing:-.035em;
  text-wrap:balance;
}
.h-editorial{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:clamp(1.25rem,2.2vw,2rem);
  line-height:1.32;
  letter-spacing:.02em;
}
.section-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--pulse);
}
.section-index::after{
  content:"";
  display:block;
  width:clamp(28px,6vw,72px);
  height:1px;
  background:currentColor;
  opacity:.45;
}
.lede{
  max-width:40rem;
  font-size:clamp(1.0625rem,1.4vw,1.25rem);
  line-height:1.7;
  color:var(--moss);
}
.prose{max-width:38rem;}
.prose p{margin-bottom:1.25em;color:var(--score);}
.prose p:last-child{margin-bottom:0;}
.prose ul{margin:1.25em 0;padding-left:1.1em;list-style:disc;}
.prose li{margin-bottom:.5em;color:var(--moss);}
.prose a{
  color:var(--pulse);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.prose strong{color:var(--score);font-weight:600;}
.data-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums lining-nums;
  font-feature-settings:"tnum" 1,"zero" 1;
  letter-spacing:-.01em;
}

/* ---------- 4. 布局工具 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.site-main{padding-top:var(--header-h);}
.site-main--flush{padding-top:0;}
.section{padding-block:clamp(56px,8vw,112px);}
.section--tight{padding-block:clamp(36px,5vw,64px);}
.section--top{padding-top:clamp(40px,6vw,80px);}
.divider{
  height:1px;
  border:0;
  background:var(--line);
  margin-block:clamp(32px,5vw,64px);
}
.grid--12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--gap);
}
.grid--12>*{grid-column:span 12;min-width:0;}
.grid--split{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,4fr);
  gap:clamp(28px,4vw,64px);
  align-items:start;
}
@media (min-width:768px){
  .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;}
}
@media (max-width:1023px){
  .grid--split{grid-template-columns:minmax(0,1fr);}
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:2px;
  font-family:var(--font-body);
  font-size:.875rem;
  font-weight:600;
  letter-spacing:.05em;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn--primary{background:var(--pulse);color:var(--night);}
.btn--primary:hover{background:#A2F0E2;}
.btn--ghost{background:transparent;color:var(--score);border-color:var(--edge);}
.btn--ghost:hover{border-color:var(--stand);background:rgba(127,227,208,.09);color:var(--pulse);}
.btn--flare{background:var(--flare);color:#1A0C02;}
.btn--flare:hover{background:#FFA267;}
.btn--block{width:100%;}

/* ---------- 6. 页头 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(6,19,15,.86) 0%,rgba(6,19,15,.5) 55%,rgba(6,19,15,0) 100%);
  border-bottom:1px solid transparent;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-image var(--dur) var(--ease);
}
.site-header[data-scrolled="true"]{
  background-color:rgba(11,31,24,.96);
  background-image:none;
  border-bottom-color:var(--line);
  backdrop-filter:blur(12px);
}
.site-header__shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(16px,3vw,48px);
  width:100%;
  max-width:var(--shell);
  min-height:var(--header-h);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--score);
  text-decoration:none;
}
.brand__mark{
  display:inline-flex;
  align-items:flex-end;
  gap:3px;
  height:20px;
  flex:0 0 auto;
}
.brand__mark i{
  display:block;
  width:4px;
  border-radius:1px;
  background:var(--pulse);
  transition:transform var(--dur) var(--ease);
}
.brand__mark i:nth-child(1){height:9px;opacity:.5;}
.brand__mark i:nth-child(2){height:20px;}
.brand__mark i:nth-child(3){height:13px;background:var(--flare);opacity:.9;}
.brand:hover .brand__mark i:nth-child(1){transform:translateY(-2px);}
.brand:hover .brand__mark i:nth-child(3){transform:translateY(-3px);}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{
  font-family:var(--font-impact);
  font-weight:900;
  font-size:1.0625rem;
  letter-spacing:-.01em;
}
.brand__tagline{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.14em;
  color:var(--moss);
}

/* 主导航 */
.primary-nav{
  display:flex;
  align-items:center;
  gap:clamp(16px,2.4vw,40px);
  margin-left:auto;
}
.primary-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(14px,1.8vw,30px);
}
.primary-nav__item{position:relative;}
.primary-nav__link{
  position:relative;
  display:block;
  padding:8px 0;
  font-size:.9375rem;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--moss);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.primary-nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--pulse);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.primary-nav__link:hover{color:var(--score);}
.primary-nav__link:hover::after,
.primary-nav__link[aria-current="page"]::after{transform:scaleX(1);}
.primary-nav__link[aria-current="page"]{color:var(--score);}
.primary-nav__actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

/* 移动端按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:9px 12px;
  border:1px solid var(--edge);
  border-radius:2px;
  color:var(--score);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--stand);background:rgba(127,227,208,.08);}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px;}
.nav-toggle__bars i{
  display:block;
  height:1.5px;
  width:100%;
  background:var(--pulse);
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5.5px) 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(-5.5px) rotate(-45deg);}
.nav-toggle__label{
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.16em;
  color:var(--haze);
}

/* 移动端悬浮直达 */
.quick-jump{display:none;}

@media (max-width:960px){
  :root{--header-h:62px;}
  .brand__tagline{display:none;}
  .nav-toggle{display:inline-flex;}

  .primary-nav{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:120;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    max-height:82vh;
    overflow-y:auto;
    padding:16px var(--gutter) calc(20px + env(safe-area-inset-bottom,0px));
    background:rgba(11,31,24,.98);
    border-top:1px solid var(--line);
    box-shadow:0 -24px 48px -30px rgba(0,0,0,.9);
    visibility:hidden;
    opacity:0;
    transform:translateY(100%);
    pointer-events:none;
    transition:transform var(--dur) var(--ease),opacity .26s var(--ease),visibility var(--dur) var(--ease);
  }
  .primary-nav[data-open="true"]{
    visibility:visible;
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
  }
  .primary-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .primary-nav__item{border-bottom:1px solid var(--line);}
  .primary-nav__link{
    padding:15px 0 15px 14px;
    font-size:1.0625rem;
    color:var(--score);
  }
  .primary-nav__link::after{display:none;}
  .primary-nav__link::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    width:3px;height:18px;
    background:var(--pulse);
    transform:translateY(-50%) scaleY(0);
    transition:transform .2s var(--ease);
  }
  .primary-nav__link[aria-current="page"]{color:var(--pulse);}
  .primary-nav__link[aria-current="page"]::before{transform:translateY(-50%) scaleY(1);}
  .primary-nav__actions{
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding-top:18px;
  }
  .primary-nav__actions .btn{width:100%;padding:13px 20px;}

  .quick-jump{
    position:fixed;
    right:16px;
    bottom:calc(18px + env(safe-area-inset-bottom,0px));
    z-index:90;
    display:inline-flex;
    align-items:center;
    padding:12px 18px;
    background:var(--flare);
    color:#1A0C02;
    font-size:.8125rem;
    font-weight:700;
    letter-spacing:.06em;
    text-decoration:none;
    border-radius:999px;
    box-shadow:0 14px 30px -12px rgba(255,138,61,.55),0 6px 18px rgba(0,0,0,.5);
  }
  body.nav-open{overflow:hidden;}
  .site-main{padding-bottom:96px;}
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,104px);
  padding-top:clamp(44px,6vw,84px);
  padding-bottom:clamp(28px,4vw,44px);
  background:linear-gradient(180deg,var(--turf) 0%,var(--night) 100%);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;right:0;
  width:clamp(110px,20vw,300px);
  height:clamp(110px,20vw,300px);
  background:var(--night);
  clip-path:polygon(100% 0,100% 100%,0 0);
  pointer-events:none;
}
.site-footer__shell{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.site-footer__rule{
  display:block;
  height:2px;
  width:min(100%,520px);
  margin-bottom:clamp(28px,4vw,52px);
  background:linear-gradient(90deg,var(--pulse) 0%,rgba(127,227,208,.28) 46%,rgba(127,227,208,0) 100%);
}
.site-footer__top{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.6fr);
  gap:clamp(32px,5vw,80px);
  align-items:start;
}
.site-footer__brand{max-width:22rem;}
.brand--footer .brand__name{font-size:1.125rem;}
.site-footer__line{
  margin-top:16px;
  font-family:var(--font-serif);
  font-size:1.0625rem;
  letter-spacing:.02em;
  color:var(--score);
}
.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(24px,3vw,40px);
}
.footer-nav__title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--haze);
}
.footer-nav__list{display:grid;gap:10px;}
.footer-nav__link{
  display:inline-block;
  font-size:.9375rem;
  color:var(--score);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-nav__link:hover{color:var(--pulse);border-bottom-color:var(--pulse);}
.site-footer__contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:clamp(18px,2.4vw,32px);
  margin-top:clamp(40px,5vw,68px);
  padding-top:clamp(24px,3vw,36px);
  border-top:1px solid var(--line);
}
.contact-item{min-width:0;}
.contact-item--wide{grid-column:1/-1;max-width:46rem;}
.contact-item__label{
  margin-bottom:7px;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.16em;
  color:var(--haze);
}
.contact-item__value{
  font-size:.9375rem;
  line-height:1.7;
  color:var(--score);
}
.contact-item__note{
  font-size:.8125rem;
  line-height:1.75;
  color:var(--moss);
}
.site-footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  margin-top:clamp(28px,4vw,44px);
  padding-top:clamp(18px,2.6vw,28px);
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.04em;
  color:var(--haze);
}
.legal-copy{margin:0;}
.legal-links{display:flex;flex-wrap:wrap;gap:20px;}
.legal-links a{
  color:var(--haze);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.legal-links a:hover{color:var(--pulse);}

@media (max-width:900px){
  .site-footer__top{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:640px){
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px;}
}
@media (max-width:960px){
  .site-footer{padding-bottom:calc(clamp(28px,4vw,44px) + 62px);}
}

/* ---------- 8. 内容组件 ---------- */
/* 面包屑 */
.breadcrumb{
  padding-block:clamp(20px,2.6vw,30px);
  border-bottom:1px solid var(--line);
}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--haze);
}
.breadcrumb__item{display:inline-flex;align-items:center;gap:10px;}
.breadcrumb__item+.breadcrumb__item::before{
  content:"/";
  color:var(--edge);
}
.breadcrumb__item a{
  color:var(--moss);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.breadcrumb__item a:hover{color:var(--pulse);}
.breadcrumb__item[aria-current="page"]{color:var(--score);}

/* 图片容器 */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius);
  background:linear-gradient(145deg,var(--mid) 0%,var(--turf) 58%,var(--night) 100%);
  box-shadow:inset 0 1px 0 rgba(232,243,236,.05),0 22px 44px -32px rgba(0,0,0,.92);
}
.media__img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(.6) saturate(.68) contrast(1.06);
  transition:transform .6s var(--ease);
}
.media:hover .media__img{transform:scale(1.015);}
.media__scan{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:
    repeating-linear-gradient(180deg,rgba(127,227,208,.075) 0 1px,rgba(127,227,208,0) 1px 4px),
    linear-gradient(200deg,rgba(6,19,15,0) 34%,rgba(6,19,15,.74) 100%);
}
.media__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:20px clamp(14px,2.4vw,26px);
  background:linear-gradient(0deg,rgba(6,19,15,.9) 0%,rgba(6,19,15,0) 100%);
  font-size:.8125rem;
  line-height:1.65;
  color:var(--moss);
}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--1x1{aspect-ratio:1/1;}
.media--3x4{aspect-ratio:3/4;}

/* 标签页 */
.tabs{width:100%;}
.tabs__list{
  display:flex;
  gap:clamp(14px,2vw,30px);
  border-bottom:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
}
.tabs__list::-webkit-scrollbar{display:none;}
.tabs__tab{
  position:relative;
  flex:0 0 auto;
  padding:13px 2px;
  font-family:var(--font-body);
  font-size:.9375rem;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--moss);
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.tabs__tab::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--pulse);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.tabs__tab:hover{color:var(--score);}
.tabs__tab[aria-selected="true"]{color:var(--score);}
.tabs__tab[aria-selected="true"]::after{transform:scaleX(1);}
.tabs__panel{padding-top:clamp(20px,3vw,38px);}
.tabs__panel[hidden]{display:none;}

/* ---------- 9. 动效与降级 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}
html.js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

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