/* ============ 球盟会 · 共享站点样式 /assets/site.css ============ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}

/* ---------- tokens ---------- */
:root{
  --ink:#061512;
  --green:#0B2B26;
  --night:#0E2038;
  --paper:#F4EFE3;
  --lime:#B8FF3D;
  --orange:#FF6B2C;
  --indigo:#3A2B63;
  --wine:#6D2038;
  --mist:#9AA9A3;
  --hair:rgba(154,169,163,.26);
  --hair-soft:rgba(154,169,163,.14);
  --hair-lime:rgba(184,255,61,.45);
  --wrap:1180px;
  --pad:clamp(16px,4vw,40px);
  --font-display:"Barlow Condensed","Arial Narrow","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Roboto Mono","Courier New",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-1:0 1px 0 rgba(6,21,18,.4),0 14px 30px -22px rgba(6,21,18,.9);
}

/* ---------- base ---------- */
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,.display{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.015em;
  font-stretch:condensed;
}
h1{font-size:clamp(44px,8vw,112px)}
h2{font-size:clamp(30px,4.6vw,56px)}
h3{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.3}
h4{font-size:18px;font-weight:800;line-height:1.4}
p{max-width:76ch}
small,.small{font-size:13px}
strong{font-weight:700}
.num{font-family:var(--font-mono);font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.divider{height:1px;background:var(--hair);border:0;margin:0}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.stack{display:grid;gap:clamp(14px,2vw,22px)}
.prose{max-width:68ch}
.prose p+p{margin-top:1.05em}
.prose h3{margin-top:1.6em}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px dashed var(--lime);
  outline-offset:3px;
}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(44px,7vw,96px);position:relative}

/* ---------- color zones ---------- */
.zone{position:relative;color:var(--paper);background:var(--green)}
.zone--green{background:var(--green);color:var(--paper)}
.zone--night{background:var(--night);color:var(--paper)}
.zone--ink{background:var(--ink);color:var(--paper)}
.zone--indigo{background:var(--indigo);color:var(--paper)}
.zone--wine{background:var(--wine);color:var(--paper)}
.zone--paper{background:var(--paper);color:var(--green);--mist:#5C6B66;--hair:rgba(11,43,38,.18);--hair-soft:rgba(11,43,38,.1)}

/* ---------- section heads ---------- */
.sec-head{display:grid;gap:12px;align-content:start;max-width:72ch}
.sec-num{font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--lime)}
.sec-title{font-family:var(--font-display);font-weight:900;font-size:clamp(28px,4.4vw,52px);line-height:1.06;letter-spacing:-.015em}
.kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--mist)}
.lede{font-size:clamp(16px,1.8vw,19px);line-height:1.85;color:var(--mist);max-width:62ch}
.zone--paper .lede{color:#42544E}

/* ---------- grids ---------- */
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;
  font-family:var(--font-body);font-size:15px;font-weight:700;line-height:1.2;letter-spacing:.02em;
  border:1px solid transparent;border-radius:2px;
  text-decoration:none;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn--primary:hover{background:var(--paper);border-color:var(--paper)}
.btn--orange{background:var(--orange);color:#150D08;border-color:var(--orange)}
.btn--orange:hover{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.btn--ghost{background:transparent;color:inherit;border-color:rgba(154,169,163,.5)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--sm{padding:8px 14px;font-size:13px}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--hair);border-radius:2px;color:var(--mist);background:rgba(6,21,18,.28);
}
.tag--lime{color:var(--ink);background:var(--lime);border-color:var(--lime)}
.tag--orange{color:#150D08;background:var(--orange);border-color:var(--orange)}
.tag--indigo{color:var(--paper);background:var(--indigo);border-color:rgba(244,239,227,.24)}
.tag--wine{color:var(--paper);background:var(--wine);border-color:rgba(244,239,227,.24)}

/* ---------- cards ---------- */
.card{
  position:relative;
  display:grid;gap:12px;align-content:start;
  padding:clamp(16px,2vw,24px);
  background:var(--night);
  border:1px solid var(--hair);
  border-radius:2px;
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.zone--paper .card{background:#FBF8F0;border-color:rgba(11,43,38,.16)}
.card:hover{transform:translateY(-3px);border-color:var(--hair-lime);box-shadow:0 0 0 1px rgba(184,255,61,.18),0 22px 40px -26px rgba(6,21,18,.95)}
.card__title{font-family:var(--font-display);font-weight:800;font-size:clamp(20px,2.2vw,26px);line-height:1.2;letter-spacing:-.01em}
.card__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist)}

/* ---------- media ---------- */
.media{position:relative;display:block;overflow:hidden;background:var(--night);border:1px solid var(--hair);border-radius:2px}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media__img{width:100%;height:100%;object-fit:cover;display:block}
.media__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,21,18,0) 30%,rgba(6,21,18,.86) 100%);pointer-events:none}
.media__tag{position:absolute;left:12px;bottom:12px;z-index:2}
.media::after{
  content:"";position:absolute;inset:6px;border:1px solid rgba(244,239,227,.14);pointer-events:none;
}

/* ---------- breadcrumbs ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.crumbs a{color:inherit;transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--lime)}
.crumbs__sep{opacity:.45}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ HEADER ============ */
.hs-skip{
  position:absolute;left:12px;top:-64px;z-index:200;
  display:inline-block;padding:10px 16px;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.14em;
  border-radius:2px;transition:top .2s var(--ease);
}
.hs-skip:focus{top:10px}

.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--green);
  border-bottom:1px solid var(--hair);
  box-shadow:0 18px 34px -30px rgba(6,21,18,1);
}

/* 顶部信号条 */
.hs-rail{background:var(--ink);border-bottom:1px solid var(--hair-soft)}
.hs-rail__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}
.hs-rail__ticks{display:flex;align-items:center;gap:18px;min-width:0}
.hs-tick{
  font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--mist);white-space:nowrap;
}
.hs-tick--live{color:var(--lime);display:inline-flex;align-items:center;gap:7px}
.hs-tick--live::before{
  content:"";width:6px;height:6px;background:var(--orange);border-radius:50%;
  box-shadow:0 0 0 3px rgba(255,107,44,.16);
}
.hs-rail__quick{
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.14em;
  color:var(--paper);
  padding:4px 10px;border:1px solid var(--hair);border-radius:2px;white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.hs-rail__quick:hover{color:var(--ink);background:var(--lime);border-color:var(--lime)}

/* 主条 */
.hs-bar{background:var(--green)}
.hs-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:76px}
.hs-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.hs-brand__mark{
  display:grid;place-items:center;
  width:40px;height:40px;flex:0 0 40px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--lime);background:rgba(184,255,61,.08);
  border:1px solid var(--hair-lime);border-radius:2px;
}
.hs-brand__text{display:grid;gap:2px;min-width:0}
.hs-brand__name{
  font-family:var(--font-display);font-size:24px;font-weight:900;line-height:1;
  letter-spacing:.02em;color:var(--paper);
}
.hs-brand__note{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist);
  white-space:nowrap;
}

/* 导航 */
.hs-nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.hs-nav__list{display:flex;align-items:center;gap:2px;counter-reset:navnum}
.hs-nav__item{counter-increment:navnum}
.hs-nav__link{
  position:relative;display:inline-flex;align-items:baseline;
  padding:10px 12px;
  font-size:14px;font-weight:500;letter-spacing:.03em;color:var(--paper);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.hs-nav__link::before{
  content:counter(navnum,decimal-leading-zero);
  font-family:var(--font-mono);font-size:9px;font-weight:700;letter-spacing:.1em;
  color:var(--mist);margin-right:7px;
}
.hs-nav__link:hover{color:var(--lime);border-bottom-color:rgba(184,255,61,.55)}
.hs-nav__link:hover::before{color:var(--lime)}
.hs-nav__link[aria-current="page"]{color:var(--lime);border-bottom-color:var(--lime)}
.hs-nav__link[aria-current="page"]::before{color:var(--orange)}
.hs-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 18px;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  color:var(--ink);background:var(--lime);border:1px solid var(--lime);border-radius:2px;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.hs-cta:hover{background:var(--paper);border-color:var(--paper)}

/* 汉堡 */
.hs-toggle{
  display:none;align-items:center;gap:8px;margin-left:auto;
  padding:9px 12px;
  border:1px solid var(--hair);border-radius:2px;
  color:var(--paper);
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
}
.hs-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--lime)}
.hs-toggle__bars::before,.hs-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.hs-toggle__bars::before{top:-5px}
.hs-toggle__bars::after{top:5px}
.site-header[data-open] .hs-toggle__bars{background:transparent}
.site-header[data-open] .hs-toggle__bars::before{transform:translateY(5px) rotate(45deg);background:var(--lime)}
.site-header[data-open] .hs-toggle__bars::after{transform:translateY(-5px) rotate(-45deg);background:var(--lime)}

/* 阅读进度 */
.hs-progress{height:2px;background:rgba(244,239,227,.08);overflow:hidden}
.hs-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--lime),var(--orange));
  transition:width .1s linear;
}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;
  background:var(--ink);
  color:var(--paper);
  border-top:1px solid var(--hair);
  overflow:hidden;
}
.ft-top{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,2fr);
  gap:clamp(28px,4vw,64px);
  padding-block:clamp(40px,6vw,72px) clamp(28px,4vw,48px);
}
.ft-brand{display:grid;gap:14px;align-content:start}
.ft-brand__name{
  font-family:var(--font-display);font-size:clamp(26px,3vw,34px);font-weight:900;line-height:1;
  letter-spacing:.01em;color:var(--paper);
}
.ft-brand__tag{font-size:14px;line-height:1.7;color:var(--mist);max-width:34ch}
.ft-brand__meta{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);
}
.ft-signal{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(255,107,44,.16)}
.ft-brand .btn{justify-self:start;margin-top:4px}

.ft-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.ft-col{display:grid;gap:14px;align-content:start;min-width:0}
.ft-col__title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--lime);
  padding-bottom:10px;border-bottom:1px solid var(--hair-soft);
}
.ft-links{display:grid;gap:10px}
.ft-link{
  display:inline-block;
  font-size:15px;color:var(--paper);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.ft-link::after{content:"↗";margin-left:7px;font-family:var(--font-mono);font-size:11px;color:var(--mist)}
.ft-link:hover{color:var(--lime);transform:translateX(2px)}
.ft-link:hover::after{color:var(--lime)}

.ft-col--contact{min-width:0}
.ft-contact{display:grid}
.ft-contact__row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:2px 10px;
  padding-block:10px;border-top:1px solid var(--hair-soft);
}
.ft-contact__row:last-child{border-bottom:1px solid var(--hair-soft)}
.ft-contact__label{
  grid-column:1/-1;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--mist);
}
.ft-contact__value{
  font-family:var(--font-mono);font-size:12.5px;line-height:1.6;color:var(--paper);
  overflow-wrap:anywhere;
}
.ft-copy{
  align-self:center;
  padding:3px 9px;
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);border:1px solid var(--hair);border-radius:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.ft-copy:hover{color:var(--ink);background:var(--lime);border-color:var(--lime)}
.ft-copy-status{
  min-height:1.3em;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--lime);
}
.ft-note{font-size:12.5px;line-height:1.75;color:var(--mist);max-width:46ch}

.ft-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
  padding-block:18px;
  border-top:1px solid var(--hair);
}
.ft-meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--mist);max-width:none}
.ft-icp{color:var(--paper)}
.ft-legal__links{display:flex;flex-wrap:wrap;gap:8px 20px}
.ft-legal__links a{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--mist);
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.ft-legal__links a:hover{color:var(--lime);border-bottom-color:var(--lime)}

.ft-watermark{
  margin:0;
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(60px,17vw,210px);line-height:.78;letter-spacing:.06em;
  text-align:center;white-space:nowrap;
  color:rgba(154,169,163,.1);
  user-select:none;pointer-events:none;
  padding-bottom:clamp(6px,1.4vw,18px);
}
@supports (-webkit-text-stroke:1px #000){
  .ft-watermark{color:transparent;-webkit-text-stroke:1px rgba(154,169,163,.18)}
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .ft-top{grid-template-columns:1fr}
  .ft-brand__tag{max-width:52ch}
}
@media (max-width:960px){
  html.nav-open{overflow:hidden}
  .hs-rail__inner{min-height:30px}
  .hs-tick:not(.hs-tick--live){display:none}
  .hs-bar__inner{min-height:64px;flex-wrap:wrap}
  .hs-brand__note{font-size:9px;letter-spacing:.14em}
  .hs-toggle{display:inline-flex}
  .hs-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    flex-direction:column;align-items:stretch;gap:18px;
    margin-left:0;
    padding:18px var(--pad) 26px;
    background:var(--night);
    border-top:1px solid var(--hair);
    border-bottom:1px solid var(--hair-lime);
    box-shadow:0 26px 44px -18px rgba(6,21,18,.85);
    max-height:78vh;overflow-y:auto;
  }
  .site-header[data-open] .hs-nav{display:flex;animation:hs-drop .28s var(--ease) both}
  .hs-nav__list{
    flex-direction:column;align-items:stretch;gap:0;
    counter-reset:navnum;
    border-left:1px solid var(--hair);
    padding-left:16px;
  }
  .hs-nav__link{
    display:block;padding:14px 0;
    font-size:16px;
    border-bottom:1px solid var(--hair-soft);
  }
  .hs-nav__link[aria-current="page"]{border-bottom-color:var(--hair-soft)}
  .hs-nav__link[aria-current="page"]::after{
    content:"当前";margin-left:10px;
    font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;color:var(--orange);
  }
  .hs-cta{justify-content:center;padding:14px 18px;font-size:15px}
}
@keyframes hs-drop{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:none}
}

@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ft-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ft-col--contact{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.8}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .ft-grid{grid-template-columns:minmax(0,1fr)}
  .ft-col--contact{grid-column:auto}
  .ft-legal{flex-direction:column;align-items:flex-start}
  .hs-brand__mark{width:34px;height:34px;flex-basis:34px;font-size:11px}
  .hs-brand__name{font-size:21px}
  .media::after{inset:4px}
}
@media (max-width:380px){
  .hs-brand__note{display:none}
  .hs-toggle__label{display:none}
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .reveal{opacity:1;transform:none}
  .card:hover,.btn:hover,.ft-link:hover{transform:none}
  .hs-progress__bar{transition:none}
}