/* ==========================================================================
   678体育看 · 共享样式表 /assets/site.css
   视觉基调：夜场球场的数据指挥室 —— 深度绿黑底 + 技术蓝图网格 + 荧光黄绿/亮橙高亮
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --sf-night:#061410;
  --sf-deep:#0B2318;
  --sf-pitch:#123C29;
  --sf-line:#1E5B3C;
  --sf-glow:#C8FF4D;
  --sf-amber:#FF7A18;
  --sf-chalk:#EEF4EF;
  --sf-silver:#9FB5A9;
  --sf-mute:#33493E;
  --sf-trend:#2FD07A;

  --sf-font-display:"Oswald","Barlow Condensed","Archivo Narrow","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --sf-font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sf-font-body:"Inter","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;

  --sf-header-h:88px;
  --sf-header-h-compact:60px;
  --sf-max:1280px;
  --sf-gutter:clamp(16px,4vw,48px);
  --sf-grid-line:rgba(30,91,60,.22);
  --sf-radius:2px;
  --sf-to-top-offset:24px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}
html.sf-lock,html.sf-lock body{overflow:hidden}
body{
  margin:0;
  min-height:100%;
  font-family:var(--sf-font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--sf-chalk);
  background-color:var(--sf-night);
  background-image:
    linear-gradient(to right,var(--sf-grid-line) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,91,60,.15) 1px,transparent 1px),
    radial-gradient(120% 70% at 80% -12%,rgba(200,255,77,.07),transparent 62%),
    radial-gradient(90% 60% at 6% 6%,rgba(255,122,24,.055),transparent 66%);
  background-size:96px 96px,96px 96px,100% 100%,100% 100%;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote,address{margin:0}
button{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--sf-glow);outline-offset:3px;border-radius:var(--sf-radius)}
::selection{background:var(--sf-glow);color:#06140f}

/* ---------- 3. 排版 ---------- */
.sf-display,.sf-footer__title,.sf-brand__name{
  font-family:var(--sf-font-display);
  font-weight:700;
  letter-spacing:-.02em;
}
.sf-display{line-height:1.04;text-wrap:balance}
.sf-display--xl{font-size:clamp(48px,9vw,132px);line-height:.98}
.sf-display--lg{font-size:clamp(30px,5vw,60px);line-height:1.02}
.sf-display--md{font-size:clamp(22px,3vw,34px);line-height:1.1}

.sf-num{
  font-family:var(--sf-font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--sf-glow);
}
.sf-num--amber{color:var(--sf-amber)}
.sf-num--xl{font-size:clamp(56px,11vw,160px);line-height:.9}

.sf-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sf-font-mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--sf-silver);
}
.sf-eyebrow::before{content:"";width:22px;height:1px;background:var(--sf-glow)}

.sf-lead{font-size:clamp(17px,1.5vw,20px);line-height:1.7;color:#D6E3DA}
.sf-muted{color:var(--sf-silver)}
.sf-prose{max-width:36em;font-size:17px;line-height:1.75;color:#DDE8E1}
.sf-prose p+p{margin-top:1.1em}
.sf-prose h2{margin-top:1.6em;font-size:clamp(21px,2.4vw,27px);font-family:var(--sf-font-display);font-weight:700;color:var(--sf-chalk)}
.sf-prose h3{margin-top:1.4em;font-size:19px;font-weight:600;color:var(--sf-chalk)}
.sf-prose a{color:var(--sf-glow);border-bottom:1px solid rgba(200,255,77,.45)}

.sf-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  font-family:var(--sf-font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--sf-silver);background:rgba(6,20,16,.5);
}
.sf-tag--accent{color:var(--sf-glow);border-color:rgba(200,255,77,.45)}
.sf-tag--live{color:var(--sf-amber);border-color:rgba(255,122,24,.5)}

.sf-divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--sf-line),rgba(30,91,60,0) 74%)}

/* ---------- 4. 布局 ---------- */
.sf-container{width:100%;max-width:var(--sf-max);margin-inline:auto;padding-inline:var(--sf-gutter)}
.sf-section{padding-block:clamp(56px,8vw,120px)}
.sf-grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.sf-grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.sf-below-header{padding-top:calc(var(--sf-header-h) + 16px)}

.sf-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--sf-font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sf-silver);
}
.sf-breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.sf-breadcrumb li+li::before{content:"/";color:var(--sf-mute)}
.sf-breadcrumb a:hover{color:var(--sf-glow)}

/* ---------- 5. 按钮 ---------- */
.sf-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  background:transparent;color:var(--sf-chalk);cursor:pointer;
  font-family:var(--sf-font-display);font-size:14px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.sf-btn:hover{transform:translateY(-1px)}
.sf-btn--ghost{border-color:var(--sf-amber);color:var(--sf-amber)}
.sf-btn--ghost:hover{background:var(--sf-amber);color:#1A0C02;border-color:var(--sf-amber)}
.sf-btn--glow{background:var(--sf-glow);border-color:var(--sf-glow);color:#06140F}
.sf-btn--glow:hover{background:#DCFF8A;border-color:#DCFF8A}
.sf-btn--line{border-color:var(--sf-line)}
.sf-btn--line:hover{border-color:var(--sf-glow);color:var(--sf-glow)}

/* ---------- 6. 跳转链接 ---------- */
.sf-skip{
  position:fixed;top:12px;left:12px;z-index:200;
  padding:10px 16px;background:var(--sf-glow);color:#06140F;border-radius:var(--sf-radius);
  font-family:var(--sf-font-mono);font-size:13px;letter-spacing:.06em;
  transform:translateY(-160%);transition:transform .2s ease;
}
.sf-skip:focus{transform:translateY(0)}

/* ---------- 7. 页头 ---------- */
.sf-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:transparent;
  transition:background-color .28s ease,box-shadow .28s ease;
}
.sf-header[data-scrolled="true"]{
  background:rgba(11,35,24,.96);
  box-shadow:0 1px 0 var(--sf-line),0 24px 48px rgba(0,0,0,.45);
}
.sf-header__inner{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:clamp(14px,2.2vw,40px);
  height:var(--sf-header-h);
  transition:height .28s ease;
}
.sf-header[data-scrolled="true"] .sf-header__inner{height:var(--sf-header-h-compact)}
.sf-header__progress{
  position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--sf-glow),var(--sf-amber));
  transform:scaleX(0);transform-origin:0 50%;
  opacity:0;transition:opacity .3s ease;
}
.sf-header[data-scrolled="true"] .sf-header__progress{opacity:1}
.sf-header__side{display:flex;align-items:center;gap:12px;justify-self:end}

/* 品牌记分牌 */
.sf-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.sf-brand__score{
  display:inline-flex;gap:2px;padding:4px 6px;
  border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  background:linear-gradient(180deg,rgba(18,60,41,.92),rgba(6,20,16,.92));
}
.sf-brand__score span{
  font-family:var(--sf-font-mono);font-size:15px;font-weight:700;
  line-height:1.2;color:var(--sf-glow);font-variant-numeric:tabular-nums;
}
.sf-brand__text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.sf-brand__name{font-size:19px;letter-spacing:.01em;color:var(--sf-chalk)}
.sf-brand__meta{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--sf-font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sf-silver);white-space:nowrap;
}
.sf-brand--footer .sf-brand__name{font-size:22px}
.sf-pulse{
  width:6px;height:6px;border-radius:50%;background:var(--sf-glow);
  animation:sf-pulse 2.6s ease-in-out infinite;
}
@keyframes sf-pulse{
  0%,100%{opacity:.45;box-shadow:0 0 0 0 rgba(200,255,77,.5)}
  50%{opacity:1;box-shadow:0 0 0 6px rgba(200,255,77,0)}
}

/* 主导航 */
.sf-nav{display:flex;align-items:center;justify-content:center;gap:clamp(10px,1.6vw,26px);min-width:0}
.sf-nav__list{display:flex;align-items:center;gap:clamp(10px,1.6vw,26px)}
.sf-nav__link{
  position:relative;display:inline-block;padding:8px 2px;
  font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--sf-chalk);
  transition:color .2s ease;
}
.sf-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--sf-glow);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .24s ease;
}
.sf-nav__link:hover{color:var(--sf-glow)}
.sf-nav__link:hover::after{transform:scaleX(1)}
.sf-nav__link[aria-current="page"]{color:var(--sf-glow)}
.sf-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.sf-nav__foot{display:none}

/* 轮次牌位 */
.sf-round{
  font-family:var(--sf-font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--sf-glow);background:rgba(6,20,16,.62);
  border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  padding:7px 10px;white-space:nowrap;
}

/* 汉堡按钮 */
.sf-burger{
  display:none;align-items:center;gap:9px;
  padding:10px 12px;border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  background:rgba(6,20,16,.6);color:var(--sf-chalk);cursor:pointer;
  font-family:var(--sf-font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  transition:border-color .2s ease,color .2s ease;
}
.sf-burger:hover{border-color:var(--sf-glow);color:var(--sf-glow)}
.sf-burger__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:16px}
.sf-burger__bars i{display:block;height:1.5px;background:currentColor;transition:transform .25s ease,opacity .2s ease}
.sf-burger[aria-expanded="true"]{border-color:var(--sf-glow);color:var(--sf-glow)}
.sf-burger[aria-expanded="true"] .sf-burger__bars i:first-child{transform:translateY(2.75px) rotate(45deg)}
.sf-burger[aria-expanded="true"] .sf-burger__bars i:last-child{transform:translateY(-2.75px) rotate(-45deg)}

/* ---------- 8. 页脚 ---------- */
.sf-footer{
  margin-top:clamp(72px,10vw,140px);
  background:linear-gradient(180deg,var(--sf-deep),#071711);
  border-top:1px solid var(--sf-line);
  color:var(--sf-silver);
}
.sf-footer__inner{padding-block:clamp(48px,7vw,88px)}
.sf-footer__grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:clamp(26px,4vw,56px);
}
.sf-footer__brand{max-width:34em}
.sf-footer__tag{margin-top:18px;font-size:15px;line-height:1.8;color:var(--sf-silver);max-width:32em}
.sf-footer__contact{margin-top:22px;font-style:normal;display:grid;gap:8px}
.sf-footer__row{
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  font-family:var(--sf-font-mono);font-size:13px;letter-spacing:.02em;color:var(--sf-chalk);
}
.sf-footer__label{
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sf-glow);min-width:66px;
}
.sf-footer__title{
  margin-bottom:16px;font-family:var(--sf-font-mono);font-weight:500;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--sf-glow);
}
.sf-footer__list{display:grid;gap:10px}
.sf-footer__list a{
  display:inline-block;font-size:15px;color:var(--sf-silver);
  transition:color .2s ease,transform .2s ease;
}
.sf-footer__list a:hover{color:var(--sf-chalk);transform:translateX(3px)}
.sf-footer__bottom{border-top:1px solid var(--sf-line);background:#040D0A}
.sf-footer__bottominner{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
  padding-block:20px;font-size:13px;
}
.sf-footer__legal{display:flex;flex-wrap:wrap;gap:18px}
.sf-footer__legal a{color:var(--sf-silver);border-bottom:1px solid transparent}
.sf-footer__legal a:hover{color:var(--sf-chalk);border-bottom-color:var(--sf-line)}
.sf-footer__icp,.sf-footer__copy{
  font-family:var(--sf-font-mono);font-size:12px;letter-spacing:.06em;color:var(--sf-silver);
}
.sf-footer__copy{margin-left:auto}

/* ---------- 9. 回到顶部 ---------- */
.sf-to-top{
  position:fixed;right:var(--sf-to-top-offset);bottom:var(--sf-to-top-offset);z-index:70;
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 14px;border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  background:rgba(11,35,24,.94);color:var(--sf-chalk);cursor:pointer;
  font-family:var(--sf-font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,border-color .2s ease,color .2s ease;
}
.sf-to-top__icon{color:var(--sf-glow)}
.sf-to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.sf-to-top:hover{border-color:var(--sf-glow);color:var(--sf-glow)}

/* ---------- 10. 图片容器基础规则 ---------- */
.sf-media{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;width:100%;
  background:var(--sf-pitch);
  border:1px solid var(--sf-line);border-radius:var(--sf-radius);
}
.sf-media img,.sf-media video{
  width:100%;height:100%;object-fit:cover;object-position:center;
  filter:saturate(1.06) contrast(1.06) brightness(.94);
}
.sf-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(6,20,16,.35) 1px,transparent 1px),
    linear-gradient(180deg,rgba(6,20,16,0) 42%,rgba(6,20,16,.72));
  background-size:64px 64px,100% 100%;
}
.sf-media__label{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-family:var(--sf-font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sf-glow);
}
.sf-media--wide{aspect-ratio:21/9}
.sf-media--tall{aspect-ratio:4/5}
.sf-media--square{aspect-ratio:1/1}

/* ---------- 11. 筛选按钮组 ---------- */
.sf-filterbar{display:flex;flex-wrap:wrap;gap:8px}
.sf-filter{
  padding:8px 14px;border:1px solid var(--sf-line);border-radius:var(--sf-radius);
  background:transparent;color:var(--sf-silver);cursor:pointer;
  font-family:var(--sf-font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.sf-filter:hover{border-color:var(--sf-glow);color:var(--sf-chalk)}
.sf-filter[aria-pressed="true"]{
  border-color:var(--sf-glow);color:var(--sf-glow);background:rgba(200,255,77,.08);
}
[data-filter-item][hidden]{display:none}

/* ---------- 12. 滚动显现 ---------- */
.sf-js [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s ease,transform .55s ease;
  transition-delay:var(--sf-delay,0ms);
  will-change:opacity,transform;
}
.sf-js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 13. 断点 ---------- */
@media (max-width:1180px){
  .sf-nav__list{gap:clamp(8px,1.2vw,16px)}
  .sf-nav__link{font-size:14px}
}
@media (max-width:1024px){
  .sf-footer__grid{grid-template-columns:1fr 1fr}
  .sf-footer__brand{grid-column:1 / -1}
  .sf-grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
}
@media (max-width:900px){
  :root{--sf-header-h:64px;--sf-header-h-compact:64px}
  .sf-header__inner{height:64px}
  .sf-header[data-scrolled="true"] .sf-header__inner{height:64px}
  .sf-burger{display:inline-flex}
  .sf-round--desk{display:none}
  .sf-header__side .sf-btn{display:none}

  .sf-nav{
    position:fixed;inset:0;z-index:90;
    display:flex;flex-direction:column;justify-content:flex-start;
    padding:calc(var(--sf-header-h) + 24px) var(--sf-gutter) 32px;
    background:linear-gradient(180deg,#061410 0%,#0B2318 100%);
    border-top:1px solid var(--sf-line);
    overflow-y:auto;overscroll-behavior:contain;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .sf-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .sf-nav__list{
    flex-direction:column;align-items:stretch;gap:0;width:100%;
    border-top:1px solid var(--sf-line);
  }
  .sf-nav__list li{border-bottom:1px solid var(--sf-line)}
  .sf-nav__link{
    display:block;padding:16px 4px 16px 14px;
    font-family:var(--sf-font-display);font-size:26px;font-weight:700;letter-spacing:0;
  }
  .sf-nav__link::after{display:none}
  .sf-nav__link[aria-current="page"]{color:var(--sf-glow)}
  .sf-nav__link[aria-current="page"]::before{
    content:"";position:absolute;left:0;top:50%;width:3px;height:24px;
    transform:translateY(-50%);background:var(--sf-glow);
  }
  .sf-nav__foot{display:block;margin-top:auto;padding-top:32px}
  .sf-nav__quicktitle{
    font-family:var(--sf-font-mono);font-size:10px;letter-spacing:.16em;
    text-transform:uppercase;color:var(--sf-silver);margin-bottom:10px;
  }
  .sf-nav__quick{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}
  .sf-nav__quick a{
    display:inline-block;white-space:nowrap;padding:9px 14px;
    border:1px solid var(--sf-line);border-radius:var(--sf-radius);
    font-size:14px;color:var(--sf-chalk);
  }
  .sf-nav__quick a:hover{border-color:var(--sf-glow);color:var(--sf-glow)}
}
@media (max-width:640px){
  :root{--sf-to-top-offset:14px}
  .sf-footer__grid{grid-template-columns:1fr}
  .sf-footer__copy{margin-left:0}
  .sf-grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sf-brand__score span{font-size:14px}
  .sf-brand__name{font-size:17px}
  .sf-to-top{padding:9px 12px}
}
@media (hover:none) and (pointer:coarse){
  body{background-attachment:scroll}
}
@media print{
  .sf-header,.sf-to-top,.sf-skip{display:none}
}

/* ---------- 14. 无障碍与偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .sf-js [data-reveal]{opacity:1;transform:none;transition:none}
  .sf-btn:hover,.sf-footer__list a:hover{transform:none}
}