/* =========================================================
   新2足球登入 · 共享外壳样式 /assets/site.css
   深夜球场底色 + 战术板绿线 + 荧光青脉冲 + 琥珀数字
   ========================================================= */

:root{
  --bg:#06140F;
  --panel:#0C2A20;
  --line:#14463A;
  --ink:#E9F7F1;
  --cyan:#7CF3D4;
  --orange:#FFB347;
  --amber:#FFC53D;
  --muted:#8AA79C;
  --grid:#2E6B57;
  --alert:#FF5C6C;

  --wrap:1280px;
  --gutter:clamp(18px,4vw,56px);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 0 rgba(233,247,241,.03), 0 22px 40px -34px rgba(0,0,0,.95);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono","Cascadia Mono",Consolas,"Liberation Mono",monospace;
  --font-serif:Georgia,"Songti SC","Source Han Serif SC","Noto Serif CJK SC",serif;
}

/* ---------- 1. 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-color:var(--bg);
  background-image:radial-gradient(rgba(46,107,87,.16) 1px,transparent 1px);
  background-size:30px 30px;
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--cyan)}
main{display:block}
#main-content{scroll-margin-top:130px}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.16;color:var(--ink)}
h1{font-size:clamp(34px,5vw,52px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:24px}
h4{font-size:18px}

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

/* ---------- 2. 基础容器 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.page-head{max-width:var(--wrap);margin:0 auto;padding:clamp(28px,5vw,60px) var(--gutter) 0}
.stack{display:grid;gap:var(--stack-gap,18px)}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.cols-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.cols-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.split{display:grid;gap:clamp(24px,4vw,56px);grid-template-columns:1fr;align-items:start}
@media (min-width:960px){
  .split{grid-template-columns:7fr 5fr}
  .split.flip{grid-template-columns:5fr 7fr}
}

/* ---------- 3. 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:clamp(10px,3vw,28px);
  top:-60px;
  z-index:120;
  padding:10px 16px;
  background:var(--cyan);
  color:#04241B;
  font-size:14px;
  font-weight:700;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top .18s ease;
}
.skip-link:focus{top:0;color:#04241B}

/* ---------- 4. 阅读进度 ---------- */
.read-progress{
  position:fixed;
  left:0;right:0;top:0;
  height:2px;
  z-index:110;
  pointer-events:none;
  background:rgba(20,70,58,.5);
}
.read-progress span{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--grid),var(--cyan));
  box-shadow:0 0 12px rgba(124,243,212,.65);
}

/* ---------- 5. 页头双层导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:linear-gradient(180deg,rgba(6,20,15,.98),rgba(6,20,15,.9));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:55;
  background:rgba(3,10,8,.66);
  opacity:0;
  pointer-events:none;
  transition:opacity .26s ease;
}
.site-header[data-nav-open]::after{opacity:1;pointer-events:auto}

/* 5.1 上层品牌说明条 */
.hud{background:rgba(12,42,32,.55);border-bottom:1px solid var(--line)}
.hud-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:7px var(--gutter);
  display:flex;
  align-items:center;
  gap:10px 14px;
  flex-wrap:wrap;
  font-size:12px;
  line-height:1.6;
}
.hud-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  letter-spacing:.08em;
  margin:0;
}
.hud-dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(124,243,212,.15);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.hud-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-left:auto}
.hud-search,
.hud-chip,
.hud-update{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:12px;
  color:var(--muted);
  background:rgba(6,20,15,.4);
}
.hud-search::before{content:"⌕";color:var(--cyan);font-size:13px}
.hud-search:hover,
.hud-chip:hover{color:var(--ink);border-color:var(--grid)}
.hud-update{color:var(--orange);border-color:rgba(255,179,71,.4);background:rgba(255,179,71,.08)}
.hud-update:hover{color:var(--orange);border-color:var(--orange)}
.time-toggle{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(6,20,15,.4);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  cursor:pointer;
}
.time-toggle:hover{border-color:var(--cyan)}
.time-toggle[aria-pressed="true"]{color:var(--amber);border-color:rgba(255,197,61,.5)}

/* 5.2 下层主导航 */
.nav-bar{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 var(--gutter);
  min-height:64px;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;
  display:block;
  width:30px;height:30px;
  border:1px solid var(--grid);
  border-radius:9px;
  background:linear-gradient(150deg,rgba(124,243,212,.18),transparent 62%);
  flex:none;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:6px;
  border:1px solid rgba(124,243,212,.5);
  border-radius:50%;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:6px;right:6px;top:calc(50% - .5px);
  height:1px;
  background:rgba(124,243,212,.5);
}

.site-nav{margin-left:auto}
.site-nav ul{display:flex;align-items:center;gap:2px}
.site-nav a{
  position:relative;
  display:block;
  padding:10px 12px;
  font-size:14px;
  color:var(--muted);
  border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease;
}
.site-nav a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .22s ease;
}
.site-nav a:hover{color:var(--ink)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a[aria-current="page"]{color:var(--cyan)}
.site-nav a[aria-current="page"]::after{transform:scaleX(1)}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(12,42,32,.5);
  color:var(--ink);
  font-size:13px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--grid)}
.nav-toggle-icon{
  position:relative;
  display:inline-block;
  width:16px;height:2px;
  background:var(--cyan);
  flex:none;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  background:var(--cyan);
  transition:transform .2s ease;
}
.nav-toggle-icon::before{top:-5px}
.nav-toggle-icon::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{transform:translateY(-5px) rotate(-45deg)}

@media (max-width:899px){
  .hud-tag{font-size:11px;letter-spacing:.05em}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;
    top:0;right:0;bottom:0;
    z-index:60;
    width:min(330px,86vw);
    padding:120px 24px 40px;
    margin:0;
    background:linear-gradient(180deg,var(--panel),var(--bg));
    border-left:1px solid var(--line);
    box-shadow:-24px 0 60px rgba(0,0,0,.6);
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .28s cubic-bezier(.22,.61,.36,1);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav a{
    padding:13px 12px;
    font-size:16px;
    border-bottom:1px solid rgba(20,70,58,.7);
    border-radius:0;
  }
  .site-nav a::after{left:0;right:auto;bottom:6px;width:18px}
}
@media (min-width:900px){
  .site-nav[data-open]{transform:none}
}

/* ---------- 6. 通用组件 ---------- */
.section-head{display:grid;gap:8px;margin-bottom:clamp(18px,2.6vw,28px)}
.section-head h2{margin:0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--cyan);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  display:block;
  width:22px;height:1px;
  background:var(--cyan);
  transform:scaleX(.4);
  transform-origin:0 50%;
  transition:transform .45s ease, box-shadow .45s ease;
}
[data-reveal].is-in .eyebrow::before,
.section-head.is-in .eyebrow::before{transform:scaleX(1);box-shadow:0 0 10px rgba(124,243,212,.7)}

.card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(16px,2.2vw,24px);
  box-shadow:var(--shadow);
}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}

.plate{
  display:inline-flex;
  flex-direction:column;
  gap:2px;
  padding:6px 12px 6px 13px;
  border-left:2px solid var(--orange);
  background:rgba(255,179,71,.07);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--orange);
  border-radius:0 6px 6px 0;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(20,70,58,.3);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:13px;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.chip:hover{color:var(--ink);border-color:var(--grid)}
.chip[aria-pressed="true"]{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(124,243,212,.1);
  box-shadow:0 0 0 1px rgba(124,243,212,.2) inset;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-1px);border-color:var(--grid);color:var(--ink)}
.btn-primary{background:var(--orange);border-color:var(--orange);color:#20140A}
.btn-primary:hover{background:#FFC069;border-color:#FFC069;color:#20140A}
.btn-ghost{border-color:rgba(124,243,212,.45);color:var(--cyan)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(124,243,212,.08)}

[data-time],
.num-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--amber);letter-spacing:.02em}
[data-count]{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- 7. 正文与面包屑 ---------- */
.prose{max-width:66ch;color:var(--ink)}
.prose p{margin-bottom:1.1em}
.prose p:last-child{margin-bottom:0}
.prose h2,.prose h3{margin:1.6em 0 .5em}
.prose ul,.prose ol{list-style:disc;padding-left:1.25em;margin:0 0 1.1em}
.prose ol{list-style:decimal}
.prose li{margin:.35em 0;color:var(--ink)}
.prose a{border-bottom:1px solid rgba(124,243,212,.45)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose blockquote{
  margin:1.4em 0;
  padding:14px 18px;
  border-left:2px solid var(--cyan);
  background:rgba(20,70,58,.32);
  font-family:var(--font-serif);
  font-size:20px;
  line-height:1.7;
  color:var(--ink);
}
.prose code{
  font-family:var(--font-mono);
  font-size:.92em;
  color:var(--amber);
  background:rgba(20,70,58,.45);
  padding:1px 6px;
  border-radius:5px;
}

.breadcrumbs{
  max-width:var(--wrap);
  margin:0 auto;
  padding:18px var(--gutter) 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--grid)}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--ink)}

/* ---------- 8. 图片容器基础规则 ---------- */
.figure{
  position:relative;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),#081C16);
}
.figure > img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.78) contrast(1.06) brightness(.94);
}
.figure::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(120% 80% at 82% 0%,rgba(124,243,212,.16),transparent 58%),
    linear-gradient(0deg,rgba(6,20,15,.72),transparent 62%);
}
.figure figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:12px 15px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--muted);
}
.figure-16x9{aspect-ratio:16/9}
.figure-4x3{aspect-ratio:4/3}
.figure-3x4{aspect-ratio:3/4}
.figure-1x1{aspect-ratio:1/1}
.figure-wide{aspect-ratio:21/9}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,8vw,110px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg),#030C09 70%);
}
.footer-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(32px,5vw,68px) var(--gutter) clamp(24px,3vw,44px);
  display:grid;
  gap:clamp(26px,4vw,52px);
  grid-template-columns:1fr;
}
@media (min-width:880px){
  .footer-inner{grid-template-columns:minmax(230px,1.1fr) 2.2fr}
}
.footer-brand{display:grid;gap:14px;align-content:start}
.footer-note{margin:0;font-size:14px;color:var(--muted);line-height:1.7;max-width:32ch}
.footer-cols{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
}
.footer-col h3{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--cyan);
  text-transform:uppercase;
}
.footer-col ul{display:grid;gap:9px}
.footer-col li{font-size:14px;color:var(--muted);line-height:1.65}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-col-contact li{font-family:var(--font-mono);font-size:13px;letter-spacing:.02em}
.footer-legal{
  max-width:var(--wrap);
  margin:0 auto;
  padding:16px var(--gutter) calc(26px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  font-size:12px;
  color:var(--muted);
}
.footer-legal a{color:var(--muted)}
.footer-legal a:hover{color:var(--cyan)}

/* ---------- 10. 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,30px);
  bottom:clamp(14px,3vw,30px);
  z-index:65;
  width:44px;height:44px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:rgba(12,42,32,.9);
  color:var(--cyan);
  font-size:16px;
  cursor:pointer;
  opacity:0;
  transform:translateY(10px);
  pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,border-color .24s ease;
  backdrop-filter:blur(6px);
}
.to-top.is-visible{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{border-color:var(--cyan)}

/* ---------- 11. 显现动效 ---------- */
.has-js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease,transform .55s cubic-bezier(.22,.61,.36,1);
}
.has-js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 12. 偏好与断点收尾 ---------- */
@media (max-width:520px){
  .hud-inner{padding:6px var(--gutter);gap:8px}
  .hud-update{display:none}
  .nav-bar{min-height:58px;gap:12px}
  .brand{font-size:16px}
}

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