/* ============================================================
   万搏体育官网 · 共享样式 /assets/site.css
   墨绿夜底 · 炭黑面板 · 荧光青绿数据高亮 · 暖橙语义提醒
   ============================================================ */

:root{
  --ink:#07160F;
  --ink-deep:#040D08;
  --panel:#121513;
  --mint:#3BF0B0;
  --mint-soft:#A8FFDC;
  --orange:#FF7A3C;
  --cream:#F3EADA;
  --brown:#1B1410;
  --moss:#5E7A6E;
  --paper:#E8F1EB;
  --rust:#C24A1E;

  --font-display:"Barlow Condensed","Oswald","Arial Narrow","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","Roboto Mono",Consolas,"Liberation Mono",monospace;

  --line:rgba(94,122,110,.42);
  --line-strong:rgba(94,122,110,.78);
  --shadow-hard:6px 6px 0 rgba(2,8,5,.85);
  --shadow-cream:8px 8px 0 rgba(27,20,16,.88);
  --radius-pill:999px;
  --radius-card:4px;
  --gutter:clamp(16px,4vw,40px);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.7,.28,1);
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
html,body{min-height:100%}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(94,122,110,.055) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(90deg,rgba(94,122,110,.045) 0 1px,transparent 1px 96px);
}
main{display:block;position:relative;z-index:1}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
strong,b{font-weight:700}
em{font-style:normal}
[id]{scroll-margin-top:104px}
#main-content{scroll-margin-top:104px}

/* ---------- 2. 中文排版与可见焦点 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.01em;
  text-transform:uppercase;
}
p{text-wrap:pretty}
:focus-visible{
  outline:3px solid var(--mint);
  outline-offset:3px;
  border-radius:2px;
}

/* ---------- 3. 跳至主内容 ---------- */
.skip-link{
  position:absolute;
  top:-90px;
  left:clamp(12px,4vw,40px);
  z-index:400;
  display:inline-block;
  padding:12px 22px;
  background:var(--mint);
  color:var(--ink-deep);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:2px solid var(--ink-deep);
  border-radius:0 0 6px 6px;
  transition:top .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:0;outline-offset:0}

/* ---------- 4. 头部：悬浮胶囊浮岛 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  padding:12px var(--gutter) 0;
  pointer-events:none;
}
.nav-capsule{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:clamp(6px,1vw,16px);
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:9px 10px 9px 16px;
  background:rgba(18,21,19,.94);
  border:2px solid var(--line-strong);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-hard);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:padding .22s var(--ease),background .22s var(--ease),border-radius .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header[data-scrolled="true"] .nav-capsule{
  padding:5px 8px 5px 12px;
  background:rgba(7,22,15,.97);
  box-shadow:4px 4px 0 rgba(2,8,5,.9);
}
.site-header[data-scrolled="true"] .brand-text{font-size:16px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;
  place-items:center;
  width:30px;
  height:30px;
  border:2px solid var(--mint);
  border-radius:6px;
  color:var(--mint);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  line-height:1;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.brand:hover .brand-mark{background:var(--mint);color:var(--ink-deep)}
.brand-text{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:800;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--paper);
  line-height:1;
  white-space:nowrap;
  transition:font-size .22s var(--ease);
}
.brand-badge{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1;
  letter-spacing:.1em;
  padding:4px 7px;
  color:var(--orange);
  border:1px solid var(--orange);
  border-radius:3px;
  text-transform:uppercase;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:8px 14px;
  border:2px solid var(--line-strong);
  border-radius:var(--radius-pill);
  color:var(--paper);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--mint);color:var(--mint)}
.nav-toggle-bars{display:block;width:18px}
.nav-toggle-bars i{
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  margin:3px 0;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(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(-5px) rotate(-45deg)}

.site-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:block;
  padding:9px 13px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  font-weight:500;
  color:rgba(232,241,235,.82);
  white-space:nowrap;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible{color:var(--ink-deep);background:var(--mint-soft)}
.nav-link[aria-current="page"]{
  background:var(--mint);
  color:var(--ink-deep);
  font-weight:700;
}
.nav-cta{flex:0 0 auto}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:rgba(94,122,110,.22);
  z-index:200;
  pointer-events:none;
}
.scroll-progress-bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--mint),var(--mint-soft));
  transition:transform .12s linear;
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:2px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  line-height:1;
  letter-spacing:.04em;
  text-transform:uppercase;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn--solid{background:var(--mint);border-color:var(--mint);color:var(--ink-deep)}
.btn--solid:hover{background:var(--mint-soft);border-color:var(--mint-soft);box-shadow:4px 4px 0 rgba(59,240,176,.28)}
.btn--ghost{background:transparent;border-color:var(--mint);color:var(--mint)}
.btn--ghost:hover{background:var(--mint);color:var(--ink-deep);box-shadow:4px 4px 0 rgba(59,240,176,.24)}
.btn--alert{background:var(--orange);border-color:var(--orange);color:var(--brown)}
.btn--alert:hover{background:#FF9161;border-color:#FF9161;box-shadow:4px 4px 0 rgba(255,122,60,.28)}
.btn--outline{background:transparent;border-color:var(--line-strong);color:var(--paper)}
.btn--outline:hover{border-color:var(--mint);color:var(--mint)}

/* ---------- 6. 布局容器与网格 ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(40px,6vw,88px);position:relative;z-index:1}
.grid{display:grid;gap:clamp(16px,2vw,24px)}
.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))}
.split{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(20px,3.4vw,52px);
  align-items:start;
}
.split--wide{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.split--flip{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.divider{height:2px;background:var(--line);border:0;margin-block:clamp(24px,3vw,40px)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 7. 章节头 ---------- */
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:clamp(22px,3vw,34px)}
.section-num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--mint);
  text-transform:uppercase;
}
.section-title{
  font-size:clamp(30px,4.4vw,56px);
  color:var(--paper);
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--mint);
}
.kicker::before{content:"";width:18px;height:2px;background:currentColor}
.lede{
  max-width:62ch;
  font-size:clamp(16.5px,1.7vw,19px);
  line-height:1.8;
  color:rgba(232,241,235,.78);
}

/* ---------- 8. 面板与卡片 ---------- */
.panel{
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius-card);
  padding:clamp(18px,2.4vw,30px);
  box-shadow:var(--shadow-hard);
}
.panel--cream{
  background:var(--cream);
  border-color:var(--brown);
  color:var(--brown);
  box-shadow:var(--shadow-cream);
}
.panel--cream a{color:var(--rust)}
.panel--cream a:hover{color:var(--brown)}
.card{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius-card);
  padding:clamp(16px,2vw,24px);
  box-shadow:var(--shadow-hard);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover,
.card:focus-within{
  border-color:var(--mint);
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(59,240,176,.16);
}
.card-title{
  font-family:var(--font-display);
  font-size:clamp(19px,2.2vw,25px);
  font-weight:800;
  letter-spacing:.01em;
  color:var(--paper);
}
.card-body{font-size:15px;line-height:1.75;color:rgba(232,241,235,.74)}

/* ---------- 9. 标签与数据块 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  line-height:1.5;
  color:rgba(232,241,235,.8);
}
.tag--mint{border-color:var(--mint);color:var(--mint)}
.tag--alert{border-color:var(--orange);color:var(--orange)}
.tag--muted{border-color:var(--line);color:var(--moss)}
.stat{display:grid;gap:4px}
.stat-value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3vw,38px);
  line-height:1.05;
  color:var(--mint);
  letter-spacing:-.01em;
}
.stat-label{
  font-size:11.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--moss);
}

/* ---------- 10. 图片容器（页面阶段放入 img） ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  border:2px solid var(--line-strong);
  border-radius:var(--radius-card);
  background:
    radial-gradient(120% 90% at 78% 12%,rgba(59,240,176,.16),transparent 62%),
    linear-gradient(160deg,#0C2318 0%,#07160F 62%,#040D08 100%);
  isolation:isolate;
}
.media-frame img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.94) contrast(1.06);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,22,15,0) 46%,rgba(7,22,15,.82) 100%);
  pointer-events:none;
}
.media-frame--plain::after{display:none}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--square{aspect-ratio:1/1}
.media-cap{
  position:absolute;
  left:12px;
  bottom:10px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mint-soft);
}

/* ---------- 11. 面包屑 ---------- */
.breadcrumbs{margin-bottom:clamp(16px,2.4vw,28px)}
.breadcrumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--moss);
}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--line-strong)}
.breadcrumbs a{color:rgba(232,241,235,.75);transition:color .16s var(--ease)}
.breadcrumbs a:hover{color:var(--mint)}
.breadcrumbs [aria-current="page"]{color:var(--mint)}

/* ---------- 12. 长文排版 ---------- */
.prose{
  max-width:68ch;
  font-size:17px;
  line-height:1.8;
  color:rgba(232,241,235,.86);
}
.prose>*+*{margin-top:1.1em}
.prose h2,.prose h3{
  color:var(--paper);
  line-height:1.12;
  letter-spacing:.01em;
}
.prose h2{font-size:clamp(24px,3vw,34px);margin-top:1.7em}
.prose h3{font-size:clamp(19px,2.2vw,24px);margin-top:1.5em}
.prose ul{display:grid;gap:.55em}
.prose ul li{position:relative;padding-left:20px}
.prose ul li::before{content:"";position:absolute;left:0;top:.74em;width:9px;height:2px;background:var(--mint)}
.prose a{color:var(--mint);border-bottom:1px solid rgba(59,240,176,.42)}
.prose a:hover{border-bottom-color:var(--mint)}
.panel--cream .prose{color:var(--brown)}
.panel--cream .prose h2,
.panel--cream .prose h3{color:var(--brown)}
.panel--cream .prose ul li::before{background:var(--rust)}
.panel--cream .prose a{color:var(--rust);border-bottom-color:rgba(194,74,30,.45)}

/* ---------- 13. 显现动画 ---------- */
.js .reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 14. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:var(--panel);
  border-top:2px solid var(--line-strong);
  z-index:1;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-2px;
  left:0;
  width:clamp(80px,16vw,180px);
  height:2px;
  background:var(--mint);
}
.footer-inner{padding-block:clamp(34px,5vw,64px) clamp(24px,3vw,32px)}
.footer-top{padding-bottom:clamp(22px,3vw,34px);border-bottom:1px solid var(--line)}
.footer-brand-line{
  font-family:var(--font-display);
  font-size:clamp(24px,3.4vw,38px);
  font-weight:800;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--paper);
  line-height:1.1;
}
.footer-brand-line em{
  display:inline-block;
  vertical-align:middle;
  margin-left:10px;
  padding:3px 8px;
  border:1px solid var(--mint);
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:.32em;
  font-weight:400;
  letter-spacing:.16em;
  color:var(--mint);
}
.footer-note{
  max-width:48ch;
  margin-top:12px;
  font-size:14.5px;
  line-height:1.75;
  color:rgba(232,241,235,.68);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(22px,3vw,38px);
  padding-block:clamp(26px,3.6vw,44px);
}
.footer-col{min-width:0}
.footer-col-title{
  margin-bottom:14px;
  padding-bottom:9px;
  border-bottom:1px solid var(--line);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mint-soft);
}
.footer-list{display:grid;gap:9px;font-size:14.5px;line-height:1.6;color:rgba(232,241,235,.72)}
.footer-link{
  display:inline-block;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-link:hover{color:var(--mint);border-bottom-color:var(--mint)}
.footer-contact{display:grid;gap:12px;font-size:14.5px}
.footer-contact-row{display:grid;gap:1px;min-width:0}
.footer-contact-label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--moss);
}
.footer-contact-value{
  color:rgba(232,241,235,.88);
  line-height:1.6;
  word-break:break-word;
}
.footer-trust{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:2px solid var(--line-strong);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.trust-item{
  display:grid;
  gap:5px;
  padding:clamp(14px,2vw,20px);
  background:var(--ink);
}
.trust-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(20px,2.6vw,30px);
  line-height:1;
  color:var(--mint);
}
.trust-label{
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--moss);
}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 26px;
  margin-top:clamp(22px,3vw,34px);
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--moss);
}
.footer-icp{font-family:var(--font-mono);letter-spacing:.02em}
.legal-links{display:flex;flex-wrap:wrap;gap:18px}
.legal-links a{
  color:rgba(232,241,235,.82);
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.legal-links a:hover{color:var(--mint);border-bottom-color:var(--mint)}

/* ---------- 15. 平板 ---------- */
@media (max-width:1080px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,
  .split--wide,
  .split--flip{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- 16. 移动端（含 [data-open] 状态） ---------- */
@media (max-width:980px){
  .site-header{padding:10px var(--gutter) 0}
  .nav-capsule{
    flex-wrap:wrap;
    border-radius:18px;
    padding:10px 12px;
    box-shadow:4px 4px 0 rgba(2,8,5,.9);
  }
  .site-header[data-scrolled="true"] .nav-capsule{padding:8px 12px}
  .brand-mark{width:27px;height:27px;font-size:13px}
  .brand-text{font-size:17px}
  .site-header[data-scrolled="true"] .brand-text{font-size:17px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    order:5;
    flex:1 0 100%;
    margin:0;
    display:none;
    margin-top:10px;
    padding-top:10px;
    border-top:1px solid var(--line);
  }
  .site-nav[data-open]{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:11px 14px;border-radius:10px;font-size:16px}
  .nav-cta{display:none}
  .site-nav[data-open]+.nav-cta{
    display:inline-flex;
    order:6;
    flex:1 0 100%;
    margin-top:10px;
    padding:12px 18px;
  }
  .grid--2,
  .grid--3{grid-template-columns:minmax(0,1fr)}
  .footer-trust{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-legal{flex-direction:column;align-items:flex-start}
}

/* ---------- 17. 手机 ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .grid--4{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .nav-toggle-text{display:none}
  .nav-toggle{padding:8px 10px}
  .brand-badge{font-size:10px;padding:3px 5px}
  .section-title{font-size:clamp(27px,8vw,38px)}
}

/* ---------- 18. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .js .reveal,
  .js .reveal.is-in{opacity:1!important;transform:none!important}
  .card:hover,
  .card:focus-within{transform:none}
  .scroll-progress-bar{transition:none}
}