/* ============================================================
   大江体育赛事 · 共享样式 /assets/site.css
   夜航江面 × 赛场灯光：深青底场、荧光绿强调、橙红比分点
   ============================================================ */

:root{
  --ink:#061F1E;
  --deep:#0A3B36;
  --teal:#14665C;
  --track:#B4FF39;
  --green:#1F7A3F;
  --score:#FF5A2B;
  --ice:#F4F7F4;
  --mist:#5C6F6B;
  --line:#D5DEDB;
  --ticket:#F3E4CE;

  --font-display:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-number:'IBM Plex Mono','JetBrains Mono','Roboto Mono',ui-monospace,monospace;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;

  --wrap:1240px;
  --gut:clamp(18px,4vw,48px);
  --band-h:clamp(56px,7vw,66px);
  --nav-h:clamp(48px,5vw,54px);
  --radius:0px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}
body{
  margin:0;
  background:var(--ice);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
figure{margin:0}
button{font:inherit;color:inherit}
ul,ol{padding-left:1.1em}
::selection{background:var(--track);color:var(--ink)}
:focus-visible{outline:2px solid var(--track);outline-offset:3px}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.10;
  letter-spacing:.02em;
  margin:0 0 .5em;
}
h1{font-size:clamp(40px,7.4vw,104px);letter-spacing:.02em}
h2{font-size:clamp(28px,4vw,52px)}
h3{font-size:clamp(20px,2.2vw,28px);font-weight:700;line-height:1.35}
h4{font-size:17px;font-weight:700;line-height:1.5}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--teal);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--green)}
strong,b{font-weight:700}

.cut{clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,0 100%)}
.num{font-family:var(--font-number);font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-block;
  font-family:var(--font-number);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--green);
  margin:0 0 14px;
}
.lead{font-size:clamp(18px,2vw,21px);line-height:1.75;color:var(--mist)}
.sidenote{
  font-size:14px;
  line-height:1.8;
  color:var(--mist);
  border-left:2px solid var(--track);
  padding-left:14px;
  margin:0 0 1.2em;
}
.sidenote p:last-child{margin-bottom:0}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
.site-main{display:block}
#main-content{scroll-margin-top:140px}

.section{
  padding-top:clamp(48px,7vw,96px);
  padding-bottom:clamp(48px,7vw,96px);
}
.section--ink{background:var(--ink);color:var(--ice)}
.section--deep{background:var(--deep);color:var(--ice)}
.section--ice{background:var(--ice);color:var(--ink)}
.section--ticket{background:var(--ticket);color:var(--ink)}
.section--ink a,.section--deep a{color:var(--track)}
.section--ink a:hover,.section--deep a:hover{color:var(--ice)}
.section--ink .eyebrow,.section--deep .eyebrow{color:var(--track)}
.section--ink .lead,.section--deep .lead{color:rgba(244,247,244,.72)}
.section--ink .sidenote,.section--deep .sidenote{color:rgba(244,247,244,.66)}

.grid{display:grid;gap:clamp(18px,2.6vw,36px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid-lines{
  background-image:repeating-linear-gradient(to right,rgba(20,102,92,.20) 0 1px,transparent 1px 8.3333%);
}
@media (max-width:960px){
  .col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11{grid-column:span 12}
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-90px;
  z-index:200;
  background:var(--track);
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:900;
  font-size:15px;
  letter-spacing:.04em;
  padding:12px 18px;
  border:1px solid var(--ink);
  transition:top .2s ease;
}
.skip-link:focus{top:16px;color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  line-height:1.2;
  letter-spacing:.04em;
  padding:10px 18px;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  text-align:center;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--primary{background:var(--track);color:var(--ink);border-color:var(--track)}
.btn--primary:hover{background:#c9ff70;color:var(--ink);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ice);border-color:rgba(180,255,57,.5)}
.btn--ghost:hover{color:var(--track);border-color:var(--track);transform:translateY(-2px)}
.btn--line{background:transparent;color:var(--teal);border-color:var(--teal)}
.btn--line:hover{background:var(--teal);color:var(--ice)}
.btn--lg{padding:14px 26px;font-size:16px}

/* ---------- 头部：双层导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink);
  color:var(--ice);
  border-bottom:1px solid rgba(180,255,57,.22);
}

/* 上层：品牌说明带 */
.brand-band{background:var(--ink);border-bottom:1px solid rgba(20,102,92,.6)}
.brand-band__inner{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  min-height:var(--band-h);
  padding-top:10px;
  padding-bottom:10px;
}
.brand-lockup{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:block;
  width:11px;
  height:26px;
  background:var(--track);
  clip-path:polygon(0 0,100% 0,100% 70%,50% 100%,0 70%);
}
.brand{
  font-family:var(--font-display);
  font-weight:900;
  font-size:19px;
  letter-spacing:.06em;
  color:var(--ice);
}
.brand:hover{color:var(--track)}
.brand-tag{
  font-family:var(--font-number);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--track);
  border:1px solid rgba(180,255,57,.45);
  padding:2px 7px;
  white-space:nowrap;
}
.brand-tagline{
  flex:1 1 auto;
  margin:0;
  text-align:center;
  font-size:13px;
  letter-spacing:.06em;
  color:rgba(244,247,244,.58);
}
.brand-actions{display:flex;gap:10px;flex:0 0 auto}

/* 下层：栏目带 */
.nav-band{background:var(--deep);position:relative}
.nav-band__inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:var(--nav-h);
  position:relative;
}
.site-nav{flex:1 1 auto}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.7vw,28px);
  list-style:none;
  margin:0;
  padding:0;
}
.site-nav__list a{
  display:block;
  position:relative;
  padding:15px 2px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  letter-spacing:.05em;
  color:rgba(244,247,244,.82);
}
.site-nav__list a::after{
  content:"";
  position:absolute;
  left:2px;
  bottom:7px;
  width:0;
  height:2px;
  background:var(--track);
  transition:width .22s ease;
}
.site-nav__list a:hover{color:var(--ice)}
.site-nav__list a:hover::after{width:18px}
.site-nav__list a[aria-current="page"]{color:var(--track)}
.site-nav__list a[aria-current="page"]::after{width:26px}
.nav-band__meta{
  margin:0 0 0 auto;
  font-family:var(--font-number);
  font-size:11px;
  letter-spacing:.12em;
  color:rgba(180,255,57,.6);
  white-space:nowrap;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  background:transparent;
  border:1px solid rgba(180,255,57,.5);
  color:var(--ice);
  font-family:var(--font-display);
  font-weight:700;
  font-size:14px;
  letter-spacing:.06em;
  padding:8px 12px;
  cursor:pointer;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px}
.nav-toggle__bars i{display:block;width:16px;height:2px;background:var(--track);transition:width .2s ease}
.nav-toggle[aria-expanded="true"]{border-color:var(--track);color:var(--track)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){width:10px}

/* 阅读进度线 */
.scroll-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  width:0;
  height:2px;
  background:var(--track);
  box-shadow:0 0 12px rgba(180,255,57,.55);
  z-index:5;
  transition:width .12s linear;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(244,247,244,.86);
  border-top:1px solid rgba(180,255,57,.28);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.95fr);
  gap:clamp(24px,5vw,72px);
  padding-top:clamp(42px,6vw,76px);
  padding-bottom:clamp(28px,4vw,48px);
}
.footer-mark{display:block;width:46px;height:3px;background:var(--track);margin-bottom:18px}
.footer-brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:24px;
  letter-spacing:.06em;
  margin:0 0 6px;
  color:var(--ice);
}
.footer-brand__line{
  margin:0 0 16px;
  font-family:var(--font-number);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--track);
}
.footer-summary{
  margin:0;
  max-width:34em;
  font-size:14px;
  line-height:1.9;
  color:rgba(244,247,244,.62);
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,36px);
}
.footer-col__title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--track);
  margin:0 0 14px;
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col a{color:rgba(244,247,244,.82);font-size:15px}
.footer-col a:hover{color:var(--track)}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:8px 30px;
  padding-top:22px;
  padding-bottom:22px;
  border-top:1px solid rgba(20,102,92,.7);
  font-size:13.5px;
  line-height:1.7;
  color:rgba(244,247,244,.66);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-top:16px;
  padding-bottom:30px;
  border-top:1px solid rgba(20,102,92,.7);
  font-family:var(--font-number);
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(244,247,244,.5);
}
.footer-base p{margin:0}
.footer-base__links{display:flex;flex-wrap:wrap;gap:18px;list-style:none;margin:0;padding:0}
.footer-base__links a{color:rgba(244,247,244,.6)}
.footer-base__links a:hover{color:var(--track)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:24px}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0;
  padding:0;
  font-family:var(--font-number);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--mist);
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--teal)}
.section--ink .breadcrumb ol,.section--deep .breadcrumb ol{color:rgba(244,247,244,.6)}
.section--ink .breadcrumb li::after,.section--deep .breadcrumb li::after{color:rgba(180,255,57,.4)}

/* ---------- 正文容器 ---------- */
.prose{max-width:68ch}
.prose h2{margin-top:1.35em;margin-bottom:.45em}
.prose h3{margin-top:1.2em;margin-bottom:.4em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.2em}
.prose li{margin-bottom:.4em}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
}
.card--ink{background:var(--deep);border-color:var(--teal);color:var(--ice)}
.card--ink a{color:var(--track)}
.card__title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(18px,1.8vw,22px);
  letter-spacing:.02em;
  line-height:1.3;
  margin:0 0 10px;
}
.card__meta{
  margin:0 0 8px;
  font-family:var(--font-number);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--mist);
}
.card--ink .card__meta{color:rgba(180,255,57,.7)}
.card__foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:14px;
}
.card--ink .card__foot{border-top-color:rgba(20,102,92,.9)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;
  font-family:var(--font-number);
  font-size:11px;
  letter-spacing:.12em;
  padding:3px 8px;
  border:1px solid currentColor;
  color:var(--teal);
  white-space:nowrap;
}
.tag--score{color:var(--score)}
.tag--track{color:var(--green)}

/* ---------- 图片容器 ---------- */
.figure{
  position:relative;
  display:block;
  overflow:hidden;
  background:var(--deep);
  border:1px solid var(--line);
}
.figure::before{content:"";display:block;padding-top:66.66%}
.figure--16x9::before{padding-top:56.25%}
.figure--4x3::before{padding-top:75%}
.figure--3x2::before{padding-top:66.66%}
.figure--1x1::before{padding-top:100%}
.figure--3x4::before{padding-top:133.33%}
.figure img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(1.05) contrast(1.04);
}
.figure figcaption{
  position:absolute;
  left:0;
  bottom:0;
  margin:0;
  padding:10px 14px;
  background:rgba(6,31,30,.82);
  color:var(--ice);
  font-size:12.5px;
  letter-spacing:.04em;
  line-height:1.6;
}
.figure__ph{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:16px;
  font-family:var(--font-number);
  font-size:12px;
  letter-spacing:.16em;
  color:rgba(180,255,57,.7);
  background:repeating-linear-gradient(135deg,rgba(20,102,92,.45) 0 12px,transparent 12px 24px);
}
.figure--plain{border:0;background:transparent}

/* ---------- 滚动显现 ---------- */
[data-reveal]{
  transition:opacity .55s ease,transform .55s cubic-bezier(.2,.72,.3,1);
}
html.js [data-reveal]{opacity:0;transform:translateY(16px)}
html.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .brand-tagline{display:none}
  .brand-band__inner{justify-content:space-between}
  .brand-actions{margin-left:auto}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-band__meta{display:none}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    background:var(--deep);
    border-bottom:1px solid rgba(180,255,57,.28);
    max-height:min(70vh,520px);
    overflow-y:auto;
    z-index:90;
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:6px var(--gut) 12px;
  }
  .site-nav__list li{border-top:1px solid rgba(20,102,92,.7)}
  .site-nav__list li:first-child{border-top:0}
  .site-nav__list a{
    padding:15px 0;
    font-size:17px;
    display:flex;
    align-items:center;
    justify-content:space-between;
  }
  .site-nav__list a::after{
    position:static;
    display:inline-block;
    width:0;
    height:2px;
  }
  .site-nav__list a[aria-current="page"]::after,
  .site-nav__list a:hover::after{width:26px}
  .brand-band__inner{flex-wrap:wrap;row-gap:10px}
  .brand-actions{width:100%;margin-left:0}
  .brand-actions .btn{flex:1 1 0;padding:11px 10px;font-size:14px}
  .footer-top{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(3,minmax(0,1fr))}
  #main-content{scroll-margin-top:180px}
}
@media (max-width:620px){
  .brand-tag{display:none}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .footer-base{justify-content:flex-start}
  .footer-contact{flex-direction:column;gap:6px}
}
@media (max-width:420px){
  .footer-cols{grid-template-columns:1fr}
}

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