/* 万合足球主站 — /assets/site.css */
:root{
  --ink-900:#0B2E22;
  --ink-800:#123D2E;
  --ink-700:#17503A;
  --green:#1F7A4D;
  --green-deep:#17603C;
  --lime:#C8FF3D;
  --cyan:#2EE6C8;
  --paper:#F7F4EA;
  --char:#111814;
  --amber:#D9A441;
  --mist:#A9C9B8;
  --gray:#6C7A72;

  --shell-w:1180px;
  --gutter:clamp(16px,4vw,40px);
  --cut:14px;

  --edge:rgba(14,46,34,.16);
  --f-edge:rgba(169,201,184,.22);

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

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:clamp(16px,1.05vw + 12px,17.5px);
  line-height:1.7;
  color:var(--char);
  background:var(--paper);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{font-weight:900;line-height:1.1;letter-spacing:-.02em}
:where(a,button,[tabindex]):focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
::selection{background:var(--lime);color:var(--ink-900)}

.shell{width:min(100% - var(--gutter) * 2,var(--shell-w));margin-inline:auto}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- 共享头部 ---------- */
.site-header{position:relative;z-index:20}
.skip-link{
  position:fixed;top:8px;left:8px;z-index:300;
  transform:translateY(-180%);
  padding:12px 18px;
  background:var(--lime);color:var(--ink-900);
  font-size:14px;font-weight:800;letter-spacing:.04em;
  transition:transform .2s ease;
}
.skip-link:focus{transform:none}

.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;
  z-index:250;pointer-events:none;background:transparent;
}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--green),var(--lime) 55%,var(--cyan));
}

.utility-bar{background:var(--ink-900);color:var(--mist);border-bottom:1px solid rgba(200,255,61,.16)}
.utility-bar__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:8px 20px;padding-block:9px;
}
.utility-bar__note{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
}
.utility-bar__dot{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.16);
}
.utility-bar__links{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.08em}
.utility-bar__link{color:var(--mist);border-bottom:1px solid transparent;padding-bottom:1px;transition:color .18s ease,border-color .18s ease}
.utility-bar__link:hover{color:var(--lime);border-color:var(--lime)}
.utility-bar__sep{color:rgba(169,201,184,.45)}

.masthead{position:relative;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--edge)}
.masthead::before{
  content:"";position:absolute;left:-12%;bottom:-60%;width:52%;height:200%;
  background:repeating-linear-gradient(115deg,rgba(31,122,77,.1) 0 2px,transparent 2px 10px);
  pointer-events:none;
}
.masthead__inner{
  position:relative;display:flex;align-items:center;justify-content:center;
  min-height:92px;padding-block:clamp(16px,2.2vw,22px);
}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand__mark{
  position:relative;flex:none;width:46px;height:46px;overflow:hidden;
  background:var(--ink-900);
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.brand__mark::before{
  content:"";position:absolute;inset:8px;
  border:1.5px solid var(--lime);border-right-color:transparent;border-radius:50%;
}
.brand__mark::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:14px;
  background:repeating-linear-gradient(90deg,var(--green) 0 6px,transparent 6px 12px);
}
.brand__text{display:flex;flex-direction:column;gap:3px;min-width:0}
.brand__name{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:-.02em;line-height:1.04;color:var(--ink-900)}
.brand__tagline{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--green-deep)}
.masthead__index{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  padding:6px 10px;border:1px solid var(--edge);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;color:var(--gray);text-transform:uppercase;
}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  padding:9px 12px;background:var(--ink-900);color:var(--paper);
  font-size:12px;font-weight:800;letter-spacing:.12em;
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:var(--lime);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

.nav-bar{background:var(--paper);border-bottom:1px solid var(--ink-900)}
.nav-bar__inner{display:flex;justify-content:center}
.primary-nav__list{display:flex;flex-wrap:wrap;justify-content:center;gap:0 clamp(2px,.6vw,8px)}
.primary-nav__link{
  position:relative;display:block;
  padding:14px clamp(10px,1.4vw,18px);
  font-size:15px;font-weight:800;letter-spacing:.02em;color:var(--ink-900);
  transition:color .18s ease;
}
.primary-nav__link::after{
  content:"";position:absolute;left:clamp(10px,1.4vw,18px);right:clamp(10px,1.4vw,18px);bottom:6px;height:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.primary-nav__link:hover{color:var(--green-deep)}
.primary-nav__link:hover::after{transform:scaleX(1)}
.primary-nav__link[aria-current="page"]{color:var(--ink-900)}
.primary-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--ink-900)}

.scene-strip{background:var(--ink-900);color:var(--paper);border-top:1px solid rgba(200,255,61,.14)}
.scene-strip__inner{
  display:flex;align-items:center;gap:18px;
  padding-block:10px;overflow-x:auto;scrollbar-width:none;
}
.scene-strip__inner::-webkit-scrollbar{display:none}
.scene-strip__label{
  flex:none;padding-right:16px;border-right:1px solid rgba(169,201,184,.35);
  font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);
}
.scene-strip__list{display:flex;gap:8px;flex:none}
.scene-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;font-size:14px;font-weight:800;color:var(--paper);
  border:1px solid rgba(169,201,184,.4);background:rgba(255,255,255,.03);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.scene-tag__num{font-size:10.5px;letter-spacing:.08em;color:var(--lime)}
.scene-tag:hover{background:var(--lime);color:var(--ink-900);border-color:var(--lime)}
.scene-tag:hover .scene-tag__num{color:var(--ink-900)}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:800;letter-spacing:.02em;
  border:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--lime{background:var(--lime);color:var(--ink-900);border-color:var(--lime)}
.btn--lime:hover{background:transparent;color:var(--lime)}
.btn--solid{background:var(--green);color:var(--paper);border-color:var(--green)}
.btn--solid:hover{background:var(--ink-900);border-color:var(--ink-900)}
.btn--ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900)}
.btn--ghost:hover{background:var(--ink-900);color:var(--paper)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;font-size:12px;font-weight:800;letter-spacing:.08em;
  border:1px solid var(--edge);background:rgba(31,122,77,.07);color:var(--green-deep);
}
.tag--lime{border-color:var(--lime);background:rgba(200,255,61,.22);color:var(--ink-900)}
.tag--amber{border-color:rgba(217,164,65,.6);background:rgba(217,164,65,.16);color:#7a5a12}
.tag--ink{border-color:var(--ink-900);background:var(--ink-900);color:var(--lime)}

.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;
  margin-bottom:clamp(20px,3vw,32px);padding-bottom:14px;
  border-bottom:2px solid var(--ink-900);
}
.section-head__index{display:block;margin-bottom:6px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;color:var(--green)}
.section-head__title{font-size:clamp(26px,3.4vw,40px)}
.section-head__lead{max-width:56ch;font-size:15px;line-height:1.7;color:var(--gray)}

.panel{position:relative;background:#fff;border:1px solid var(--edge);padding:clamp(18px,2.6vw,28px)}
.panel--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.panel--ink{background:var(--ink-900);color:var(--paper);border-color:var(--ink-900)}
.panel--ink .section-head__lead{color:var(--mist)}

.media{
  position:relative;display:block;overflow:hidden;background:var(--ink-800);isolation:isolate;
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.media__frame{
  position:relative;display:block;overflow:hidden;aspect-ratio:16 / 9;
  background:linear-gradient(140deg,var(--ink-800),var(--green-deep) 70%,var(--ink-900));
}
.media__frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.media:hover .media__frame img{transform:scale(1.03)}
.media--wide .media__frame{aspect-ratio:21 / 9}
.media--tall .media__frame{aspect-ratio:4 / 5}
.media--square .media__frame{aspect-ratio:1 / 1}
.media__scan{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(11,46,34,.22) 0 1px,transparent 1px 4px);
  opacity:.45;mix-blend-mode:multiply;
}
.media__cap{
  position:absolute;left:0;bottom:0;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;background:var(--ink-900);color:var(--lime);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;
}

.breadcrumb{font-size:12.5px;letter-spacing:.04em;color:var(--gray)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb__item{display:flex;align-items:center;gap:6px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--mist)}
.breadcrumb__link{color:var(--gray);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.breadcrumb__link:hover{color:var(--green-deep);border-color:var(--green-deep)}
.breadcrumb__item[aria-current="page"]{color:var(--char);font-weight:800}

.prose{max-width:68ch;font-size:16.5px;line-height:1.85}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin-top:1.9em}
.prose h3{font-size:20px;margin-top:1.6em}
.prose ul{list-style:square;padding-left:1.2em}
.prose ol{list-style:decimal;padding-left:1.3em}
.prose li{margin-top:.45em}
.prose strong{font-weight:800}
.prose a{color:var(--green-deep);font-weight:700;border-bottom:1px solid var(--green);transition:background .18s ease,color .18s ease}
.prose a:hover{color:var(--ink-900);background:rgba(200,255,61,.4);border-color:var(--lime)}
.prose blockquote{border-left:4px solid var(--lime);background:rgba(200,255,61,.14);padding:14px 18px;font-size:15.5px}

.grid{display:grid;gap:clamp(16px,2.4vw,26px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--split{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr)}
@media (max-width:860px){.grid--split{grid-template-columns:1fr}}

[data-reveal]{transition:opacity .5s ease,transform .5s ease}
.js [data-reveal]{opacity:0;transform:translateY(14px)}
.js [data-reveal].is-revealed{opacity:1;transform:none}
.js [data-reveal][data-delay="1"]{transition-delay:.08s}
.js [data-reveal][data-delay="2"]{transition-delay:.16s}
.js [data-reveal][data-delay="3"]{transition-delay:.24s}
.js [data-reveal][data-delay="4"]{transition-delay:.32s}

/* ---------- 共享页脚 ---------- */
.site-footer{position:relative}
.footer-top{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--paper);
  padding-block:clamp(40px,6vw,66px);
}
.footer-top::before{
  content:"";position:absolute;top:-32%;right:-8%;width:48%;height:170%;
  background:repeating-linear-gradient(120deg,rgba(200,255,61,.1) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.footer-top__inner{
  position:relative;display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,2fr);
  gap:clamp(32px,5vw,64px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.footer-brand__name{font-size:clamp(26px,3vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.footer-brand__tagline{font-size:16px;font-weight:800;letter-spacing:.04em;color:var(--lime)}
.footer-brand__meta{
  width:100%;margin-top:4px;padding-top:8px;border-top:1px solid var(--f-edge);
  font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist);
}
.footer-brand__cta{margin-top:16px}

.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.footer-col__title{
  margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--f-edge);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);
}
.footer-col__list{display:flex;flex-direction:column;gap:9px}
.footer-col__link{
  font-size:15px;color:rgba(247,244,234,.82);
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.footer-col__link:hover{color:var(--lime);border-color:var(--lime)}

.footer-contact{
  background:var(--ink-800);color:var(--paper);
  border-top:1px solid var(--f-edge);
  padding-block:clamp(24px,3.5vw,36px);
}
.footer-contact__inner{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,32px)}
.footer-contact__label{
  margin-bottom:6px;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--lime);
}
.footer-contact__value{font-size:15px;line-height:1.6;color:rgba(247,244,234,.92);word-break:break-word}
.footer-contact__value--mono{font-family:var(--font-mono);font-size:14px;letter-spacing:.01em;word-break:break-all}
.footer-contact__note{
  grid-column:1 / -1;margin-top:4px;padding-top:16px;
  border-top:1px dashed rgba(169,201,184,.32);
  font-size:13px;line-height:1.65;color:var(--mist);
}

.footer-legal{background:var(--ink-900);border-top:1px solid rgba(200,255,61,.18);color:var(--mist)}
.footer-legal__inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding-block:16px;font-size:12.5px}
.footer-legal__copy{font-family:var(--font-mono);letter-spacing:.06em}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-inline:auto}
.footer-legal__link{color:var(--mist);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.footer-legal__link:hover{color:var(--lime);border-color:var(--lime)}
.footer-legal__icp{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:rgba(169,201,184,.82)}

/* ---------- 响应式 ---------- */
@media (max-width:860px){
  .masthead__inner{justify-content:flex-start;min-height:74px}
  .masthead__index{display:none}
  .nav-toggle{display:inline-flex}
  .brand__mark{width:38px;height:38px}
  .brand__name{font-size:21px}
  .brand__tagline{font-size:10.5px;letter-spacing:.1em}
  .brand{padding-right:104px}

  .nav-bar{display:none;border-bottom:1px solid var(--edge)}
  .nav-bar[data-open]{display:block;border-top:1px solid var(--edge);background:var(--paper)}
  .nav-bar__inner{display:block}
  .primary-nav__list{flex-direction:column;gap:0;padding-block:2px}
  .primary-nav__item{border-bottom:1px solid rgba(17,24,20,.1)}
  .primary-nav__item:last-child{border-bottom:0}
  .primary-nav__link{padding:15px 4px;font-size:16px}
  .primary-nav__link::after{left:4px;right:auto;width:30px;bottom:9px}
  .primary-nav__link[aria-current="page"]::after{background:var(--green);width:30px}

  .scene-strip__inner{gap:12px}
  .scene-strip__label{padding-right:12px;font-size:10px}

  .footer-top__inner{grid-template-columns:1fr;gap:34px}
  .footer-contact__inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-contact__item:nth-child(3){grid-column:1 / -1}
}

@media (max-width:640px){
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px}
  .footer-contact__inner{grid-template-columns:1fr}
  .footer-contact__item:nth-child(3){grid-column:auto}
  .footer-legal__inner{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-legal__links{margin-inline:0}
}

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