/* =========================================================
   手机看台 / KAPP PLUS · 共享样式 ( /assets/site.css )
   深空蓝黑 · 荧光青 · 电光橙 · 奶纸 · 锐利直角 · 精密网格
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink-900:#0A0F1C;
  --ink-850:#0C1322;
  --ink-800:#111A2E;
  --ink-700:#16203A;
  --line:#24314D;
  --line-soft:#19233C;
  --paper:#F2EDE3;
  --paper-deep:#E4DCCB;
  --mist:#A8B2C4;
  --muted:#6E7C97;
  --cyan:#35F0D0;
  --orange:#FF7A29;
  --red:#E4453B;
  --green:#58C08A;
  --brown:#2A2118;

  --shell:1240px;
  --gutter:20px;
  --scorebar-h:58px;
  --u:4px;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. 重置与基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
[hidden]{display:none !important}
.nav-locked,
.nav-locked body{overflow:hidden}

body{
  margin:0;
  padding-bottom:calc(var(--scorebar-h) + 10px);
  background-color:var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(36,49,77,.34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36,49,77,.34) 1px, transparent 1px);
  background-size:72px 72px;
  background-position:center top;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

main{display:block;position:relative;z-index:1}

h1,h2,h3,h4,h5{margin:0 0 .6em;font-weight:700;line-height:1.22;letter-spacing:-.012em;color:var(--paper)}
h1{font-size:clamp(1.85rem,4.4vw,2.9rem)}
h2{font-size:clamp(1.35rem,2.6vw,1.85rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.2rem)}
h4{font-size:1rem}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.05em;padding-left:1.25em}
img,svg{max-width:100%}
img{height:auto;border:0}
hr{border:0;border-top:1px solid var(--line);margin:28px 0}

a{
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
a:hover{color:#fff;border-bottom-color:var(--cyan)}

button{font:inherit;color:inherit}
strong,b{font-weight:700;color:var(--paper)}

:focus{outline:none}
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:0;
}

/* ---------- 3. 工具类 ---------- */
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.03em;
}
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{padding:52px 0}
.section--tight{padding:26px 0}
.text-mist{color:var(--mist)}
.text-cyan{color:var(--cyan)}
.text-orange{color:var(--orange)}

/* 跳至主要内容 */
.skip-link{
  position:fixed;
  left:12px;
  top:-72px;
  z-index:200;
  padding:10px 16px;
  background:var(--cyan);
  color:var(--ink-900);
  font-weight:700;
  font-size:.86rem;
  border:1px solid var(--cyan);
  transition:top .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:12px;color:var(--ink-900);outline-offset:0}

/* ---------- 4. 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,15,28,.96);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.site-header__inner{
  position:relative;
  max-width:var(--shell);
  margin:0 auto;
  padding:12px var(--gutter);
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

/* 品牌区 */
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
  flex-wrap:wrap;
}
.brand__mark{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--paper);
  border-bottom:0;
  flex:0 0 auto;
}
.brand__mark:hover{color:var(--paper);border-bottom:0}
.brand__glyph{
  color:var(--orange);
  font-size:1rem;
  line-height:1;
  transform:translateY(-1px);
}
.brand__name{
  font-size:1.12rem;
  font-weight:800;
  letter-spacing:.08em;
}
.brand__tag{
  margin:0;
  font-size:.78rem;
  color:var(--mist);
  letter-spacing:.04em;
  white-space:nowrap;
}

/* 徽标 */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  border:1px solid var(--line);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.12em;
  line-height:1.5;
  white-space:nowrap;
}
.chip--cyan{
  color:var(--cyan);
  border-color:rgba(53,240,208,.45);
  background:rgba(53,240,208,.07);
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  background:transparent;
  border:1px solid var(--line);
  color:var(--paper);
  font-size:.84rem;
  letter-spacing:.06em;
  cursor:pointer;
  transition:transform .12s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle:active{transform:translateY(1px)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars i{display:block;height:1.5px;background:currentColor}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}

/* 导航 */
.site-nav{
  display:flex;
  align-items:flex-start;
  gap:34px;
}
.site-nav__group{display:flex;flex-direction:column;gap:5px}
.site-nav__title{
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:#5A6C8F;
  line-height:1.4;
}
.site-nav__list{
  display:flex;
  gap:20px;
  margin:0;
  padding:0;
  list-style:none;
}
.site-nav__list li{list-style:none}
.site-nav__list a{
  display:inline-block;
  padding:4px 0;
  color:var(--mist);
  font-size:.94rem;
  border-bottom:1px solid transparent;
}
.site-nav__list a:hover{color:var(--paper);border-bottom-color:var(--line)}
.site-nav__list a[aria-current="page"]{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}
.site-nav__note{display:none;margin:0}

/* 遮罩 */
.nav-scrim{
  display:none;
  position:fixed;
  inset:0;
  z-index:82;
  background:rgba(4,8,16,.68);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.nav-scrim[data-open]{opacity:1;visibility:visible}

/* ---------- 5. 底部悬浮比分条 ---------- */
.scorebar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:75;
  background:linear-gradient(180deg,rgba(12,19,34,.965),rgba(10,15,28,.995));
  border-top:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.scorebar::before{
  content:"";
  position:absolute;
  left:0;right:0;top:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan) 28%,var(--orange) 72%,transparent);
  opacity:.55;
}
.scorebar__inner{
  max-width:var(--shell);
  margin:0 auto;
  padding:9px var(--gutter);
  min-height:var(--scorebar-h);
  display:flex;
  align-items:center;
  gap:16px;
}
.scorebar__meta{display:flex;align-items:center;gap:10px;min-width:0}
.scorebar__round{
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
}
.scorebar__teams{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.scorebar__teams span{
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.1em;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
}
.scorebar__teams .scorebar__vs{color:var(--orange);letter-spacing:.08em}
.scorebar__acts{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.scorebar__toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  background:transparent;
  border:1px solid var(--line);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  cursor:pointer;
  transition:transform .12s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.scorebar__toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.scorebar__toggle:active{transform:translateY(1px)}
.scorebar__toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.scorebar__toggle-icon{font-size:.86rem;line-height:1}
.scorebar__panel{
  border-top:1px solid var(--line);
  background:var(--ink-800);
  padding:14px var(--gutter) 18px;
}
.scorebar__panel-text{
  max-width:var(--shell);
  margin:0 auto;
  font-size:.84rem;
  line-height:1.7;
  color:var(--mist);
}

/* 状态徽标 */
.status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:2px 8px;
  border:1px solid currentColor;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.08em;
  line-height:1.7;
  white-space:nowrap;
}
.status__dot{display:block;width:6px;height:6px;background:currentColor;border-radius:50%}
.status--sync{color:var(--cyan)}
.status--live{color:var(--red)}
.status--done{color:var(--green)}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:8px 14px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.03em;
  line-height:1.5;
  text-decoration:none;
  border-radius:0;
  cursor:pointer;
  transition:transform .12s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--key{background:var(--orange);border-color:var(--orange);color:var(--ink-900)}
.btn--key:hover{background:#FF9147;border-color:#FF9147;color:var(--ink-900);border-bottom-color:#FF9147}
.btn--cyan{background:var(--cyan);border-color:var(--cyan);color:var(--ink-900)}
.btn--cyan:hover{background:#5FF5DE;border-color:#5FF5DE;color:var(--ink-900);border-bottom-color:#5FF5DE}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);border-bottom-color:var(--cyan)}
.btn--paper{background:var(--paper);border-color:var(--paper);color:var(--brown)}
.btn--paper:hover{background:var(--paper-deep);border-color:var(--paper-deep);color:var(--brown);border-bottom-color:var(--paper-deep)}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:64px;
  background:var(--ink-850);
  border-top:1px solid var(--line);
  padding:46px 0 26px;
}
.site-footer__inner{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px 20px;
  padding-bottom:30px;
  border-bottom:1px solid var(--line);
}
.footer-col{min-width:0}
.footer-col__title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:.66rem;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:#5A6C8F;
}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.footer-list li{list-style:none}
.footer-list a{
  color:var(--mist);
  font-size:.9rem;
  border-bottom:0;
}
.footer-list a:hover{color:var(--cyan);border-bottom:0}
.footer-note{
  margin:0;
  font-size:.85rem;
  line-height:1.75;
  color:var(--mist);
}
.footer-contact{
  display:grid;
  grid-template-columns:1fr;
  gap:10px 24px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.footer-contact__item{
  display:flex;
  gap:10px;
  font-size:.86rem;
  color:var(--paper);
  min-width:0;
  word-break:break-word;
}
.footer-contact__key{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  color:var(--cyan);
  padding-top:.35em;
}
.footer-contact__note{
  grid-column:1 / -1;
  margin:4px 0 0;
  font-size:.79rem;
  line-height:1.7;
  color:var(--muted);
}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  padding-top:22px;
}
.footer-legal__icp{
  margin:0;
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.05em;
  color:var(--mist);
}
.footer-legal__text{
  margin:0;
  flex:1 1 260px;
  font-size:.78rem;
  line-height:1.7;
  color:var(--muted);
}
.footer-legal__copy{
  margin:0;
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.05em;
  color:var(--muted);
}

/* ---------- 8. 布局与正文容器 ---------- */
.grid{display:grid;gap:16px}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}

.prose{
  max-width:38em;
  font-size:1rem;
  line-height:1.85;
  color:#D6DAE4;
}
.prose h2,.prose h3{color:var(--paper);margin-top:1.9em}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose p{margin:0 0 1.15em}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.3em}
.prose li{margin-bottom:.45em}
.prose strong{color:var(--paper)}

/* 面包屑 */
.breadcrumb{
  padding:16px 0 0;
  font-size:.76rem;
  color:var(--mist);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li{display:flex;align-items:center;gap:8px;list-style:none}
.breadcrumb li::after{content:"/";color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--mist);border-bottom:0}
.breadcrumb a:hover{color:var(--cyan);border-bottom:0}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- 9. 图片容器基础规则 ---------- */
.figure{
  margin:0;
  display:block;
  border:1px solid var(--line);
  background:var(--ink-800);
  overflow:hidden;
}
.figure__frame{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  background:linear-gradient(140deg,var(--ink-700) 0%,var(--ink-800) 55%,var(--ink-850) 100%);
}
.figure__frame img,
.figure__frame svg,
.figure__frame video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  border:0;
}
.figure__frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(36,49,77,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(36,49,77,.5) 1px,transparent 1px);
  background-size:28px 28px;
  opacity:.3;
}
.figure__cap{
  display:flex;
  flex-wrap:wrap;
  gap:6px 12px;
  justify-content:space-between;
  padding:8px 10px;
  border-top:1px solid var(--line);
  background:var(--ink-850);
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.06em;
  color:var(--mist);
}
.figure--screen .figure__frame{aspect-ratio:9 / 19.5}
.figure--portrait .figure__frame{aspect-ratio:4 / 5}
.figure--square .figure__frame{aspect-ratio:1 / 1}
.figure--wide .figure__frame{aspect-ratio:21 / 9}

/* ---------- 10. 滚动显现协议 ---------- */
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(10px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal-ready [data-reveal="in"]{
  opacity:1;
  transform:translateY(0);
}

/* ---------- 11. 响应式 ---------- */
@media (min-width:761px){
  .footer-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
  .footer-contact{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .brand__tag{display:none}
  .nav-scrim{display:block}

  .site-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    z-index:85;
    width:min(86vw,340px);
    height:100%;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:26px;
    padding:92px 22px calc(var(--scorebar-h) + 34px);
    background:var(--ink-800);
    border-left:1px solid var(--line);
    overflow-y:auto;
    transform:translateX(103%);
    transition:transform .3s var(--ease);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .site-nav__group{gap:9px}
  .site-nav__list{flex-direction:column;gap:0}
  .site-nav__list a{
    display:block;
    padding:11px 0;
    font-size:1.02rem;
    border-bottom:1px solid var(--line-soft);
  }
  .site-nav__list a[aria-current="page"]{
    border-bottom-color:var(--cyan);
  }
  .site-nav__note{
    display:block;
    margin:auto 0 0;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:.78rem;
    color:var(--mist);
  }
}

@media (max-width:820px){
  body{font-size:16px}
  .section{padding:38px 0}
  .section--tight{padding:20px 0}
  .site-footer{margin-top:48px;padding-top:36px}
}

@media (max-width:760px){
  .scorebar__teams{display:none}
  .scorebar__inner{gap:10px;padding:8px 14px}
  .scorebar__acts{gap:6px;margin-left:auto}
  .scorebar__round{display:none}
  .footer-legal__text{flex:1 1 100%}
}

@media (max-width:560px){
  :root{--gutter:16px}
  .brand__name{font-size:1rem}
  .chip{display:none}
  .scorebar__actions-fallback{display:none}
  .btn{padding:7px 11px;font-size:.76rem}
  .scorebar__toggle span:last-child{display:none}
  .scorebar__toggle{padding:7px 9px}
}

/* ---------- 12. 无障碍动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  .reveal-ready [data-reveal]{
    opacity:1;
    transform:none;
  }
}