/* ============================================================
   云开赛讯 · 共享站点样式 /assets/site.css
   夜场记分板 Bento 体系：炭底 + 夜蓝面板 + 荧光青 + 信号橙
   ============================================================ */

/* ---------- 0. 设计令牌 ---------- */
:root{
  --bg:#0B0E14;
  --panel:#111A29;
  --card:#172334;
  --line:#243349;
  --line-strong:#35506E;
  --text:#E8EEF6;
  --text-soft:#C8D4E2;
  --muted:#93A3B8;
  --cyan:#4FE3D0;
  --cyan-soft:#9BF2E6;
  --orange:#FF7A1A;
  --orange-soft:#FFAE73;
  --ink:#06121A;
  --glass:rgba(17,26,41,.72);
  --glass-strong:rgba(11,14,20,.92);

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --r-sm:12px;
  --r-md:24px;
  --r-lg:28px;
  --r-pill:999px;

  --sp:8px;
  --gap:24px;
  --shell:1240px;
  --header-h:88px;

  --section-accent:var(--line);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 1. Reset 与基础 ---------- */
*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1.15;
  color:var(--text);
}
h1{font-size:clamp(34px,6.4vw,68px);}
h2{font-size:clamp(24px,3.6vw,36px);}
h3{font-size:clamp(18px,2vw,20px);letter-spacing:-.02em;}
h4{font-size:17px;letter-spacing:-.01em;}

p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

ul,ol{margin:0 0 1em;padding-left:1.15em;}
li{margin:.2em 0;}

a{
  color:var(--cyan-soft);
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
a:hover{color:var(--cyan);}

strong,b{font-weight:700;}
hr{border:0;height:1px;background:var(--line);margin:0;}

img,svg,video{max-width:100%;display:block;}
img{height:auto;}

button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}

code,kbd,samp,pre{font-family:var(--font-mono);}

::selection{background:rgba(79,227,208,.28);color:var(--text);}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:8px;
}

/* ---------- 2. 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:200;
  padding:12px 20px;
  border-radius:var(--r-pill);
  background:var(--cyan);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{
  transform:translateY(0);
  color:var(--ink);
}

/* ---------- 3. 主内容容器 ---------- */
#main-content{
  display:block;
  padding-top:var(--header-h);
}
#main-content:focus{outline:none;}

/* ---------- 4. 头部：悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:14px 20px;
  pointer-events:none;
}

.scroll-progress{
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  box-shadow:0 0 12px rgba(79,227,208,.45);
  will-change:transform;
}

.header-inner{
  pointer-events:auto;
  position:relative;
  width:min(var(--shell),100%);
  display:flex;
  align-items:center;
  gap:14px;
  padding:8px 10px 8px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:padding .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled .header-inner{
  padding:4px 8px 4px 14px;
  background:var(--glass-strong);
  border-color:var(--line-strong);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  text-decoration:none;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;
  height:34px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--cyan),#1FA99A);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:16px;
  font-weight:900;
  letter-spacing:0;
  box-shadow:0 0 0 1px rgba(79,227,208,.35),0 6px 18px -8px var(--cyan);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-name{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:900;
  letter-spacing:.01em;
}
.brand-note{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--muted);
}

/* 导航胶囊 */
.nav-capsule{
  margin-left:auto;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-list li{margin:0;}
.nav-list a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  text-decoration:none;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.nav-list a:hover{
  color:var(--text);
  background:rgba(79,227,208,.08);
}
.nav-list a[aria-current="page"]{
  color:var(--ink);
  background:var(--cyan);
  font-weight:700;
}

/* 头部工具区 */
.header-tools{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 18px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.btn-primary{
  background:var(--orange);
  color:#1A0D02;
}
.btn-primary:hover{
  background:var(--orange-soft);
  color:#1A0D02;
  transform:translateY(-1px);
}
.btn-ghost{
  border-color:var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--cyan);
  color:var(--cyan-soft);
  transform:translateY(-1px);
}

/* 汉堡按钮 */
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  padding:0;
  place-items:center;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(23,35,52,.7);
  transition:border-color .16s var(--ease),background-color .16s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);}
.nav-toggle-bar{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:background-color .18s var(--ease);
}
.nav-toggle-bar::before,
.nav-toggle-bar::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .18s var(--ease);
}
.nav-toggle-bar::before{top:-6px;}
.nav-toggle-bar::after{top:6px;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 5. 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:64px 20px 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,26,41,.55),rgba(11,14,20,1) 46%);
}

.footer-inner,
.footer-legal{
  width:min(var(--shell),100%);
  margin-inline:auto;
}

.footer-inner{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1.9fr) minmax(0,1.2fr);
  gap:40px;
}

.footer-brand .brand{display:inline-flex;}
.footer-tagline{
  margin:18px 0 8px;
  font-family:var(--font-display);
  font-size:20px;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--text);
}
.footer-note{
  margin:0;
  max-width:34ch;
  font-size:13.5px;
  line-height:1.65;
  color:var(--muted);
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
}
.footer-col h3,
.footer-contact h3{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--cyan);
  text-transform:uppercase;
}
.footer-col ul{
  display:grid;
  gap:11px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-col li{margin:0;}
.footer-col a{
  color:var(--muted);
  font-size:14px;
  text-decoration:none;
  transition:color .16s var(--ease);
}
.footer-col a:hover{color:var(--cyan-soft);}

.footer-contact-list{
  display:grid;
  gap:12px;
  margin:0 0 14px;
  padding:0;
  list-style:none;
}
.footer-contact-list li{
  display:grid;
  gap:3px;
  margin:0;
}
.footer-contact-label{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--muted);
}
.footer-contact-value{
  font-size:13.5px;
  color:var(--text);
  overflow-wrap:anywhere;
}
.footer-tip{
  margin:0;
  font-size:12.5px;
  line-height:1.6;
  color:var(--muted);
}
.footer-tip::before{
  content:"";
  display:block;
  width:28px;
  height:2px;
  margin-bottom:10px;
  border-radius:2px;
  background:var(--orange);
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.footer-copy{
  margin:0;
  font-size:12.5px;
  color:var(--muted);
}
.footer-legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:6px 18px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-legal-links li{margin:0;}
.footer-legal-links a{
  font-size:12.5px;
  color:var(--muted);
  text-decoration:none;
  transition:color .16s var(--ease);
}
.footer-legal-links a:hover{color:var(--cyan-soft);}

/* ---------- 6. 通用容器与节奏 ---------- */
.container{
  width:min(var(--shell),100% - 40px);
  margin-inline:auto;
}
.container--narrow{
  width:min(820px,100% - 40px);
  margin-inline:auto;
}
.section{padding:56px 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 24px;
  margin-bottom:28px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.section-head h2,
.section-head h3{margin:0;}
.section-head > p{
  margin:0;
  max-width:52ch;
  font-size:14px;
  color:var(--muted);
}

.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.annotation{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--muted);
}
.annotation--vertical{
  writing-mode:vertical-rl;
  letter-spacing:.24em;
}
.prose{
  max-width:68ch;
  color:var(--text-soft);
}
.prose p{margin-bottom:1em;}
.prose h2,.prose h3{margin-top:1.4em;}

/* 面包屑 */
.breadcrumb{
  margin-bottom:20px;
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li{
  display:flex;
  align-items:center;
  margin:0;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb li + li::before{
  content:"›";
  margin:0 8px;
  color:#4A5F7E;
}
.breadcrumb a{
  color:var(--muted);
  text-decoration:none;
}
.breadcrumb a:hover{color:var(--cyan-soft);}

/* ---------- 7. Bento 网格与卡片 ---------- */
.grid{
  display:grid;
  gap:var(--gap);
}
.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));}
.grid--bento{grid-template-columns:repeat(12,minmax(0,1fr));}

.card{
  position:relative;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--card);
  transition:transform .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
}
.card--focus{
  border-color:rgba(79,227,208,.45);
  background:linear-gradient(160deg,rgba(79,227,208,.09),var(--card) 55%);
}
.card h3{margin-bottom:.35em;}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(23,35,52,.6);
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.pill--live{
  border-color:rgba(255,122,26,.42);
  background:rgba(255,122,26,.1);
  color:var(--orange-soft);
  font-weight:500;
}

.status-dot{
  width:8px;
  height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,122,26,.16);
}
@keyframes status-pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,26,.5);}
  100%{box-shadow:0 0 0 10px rgba(255,122,26,0);}
}
.pill--live .status-dot{animation:status-pulse 1.8s var(--ease) infinite;}

.tag{
  display:inline-block;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(79,227,208,.1);
  color:var(--cyan-soft);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
}

.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}

.rule{
  height:1px;
  margin:0;
  border:0;
  background:var(--line);
}

/* ---------- 8. 图片容器（响应式基础） ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 10;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(140deg,#1B2838,#0D1520 70%);
}
.media-frame > img,
.media-frame > video{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame--square{aspect-ratio:1 / 1;}

.media-overlay{
  position:absolute;
  inset:auto 0 0 0;
  padding:16px;
  background:linear-gradient(180deg,rgba(11,14,20,0),rgba(11,14,20,.92));
}
.media-caption{
  margin-top:10px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}

/* ---------- 9. 工具色与状态 ---------- */
.u-muted{color:var(--muted);}
.u-cyan{color:var(--cyan);}
.u-orange{color:var(--orange-soft);}
.u-mono{font-family:var(--font-mono);}

html.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
html.js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

[data-section]{
  scroll-margin-top:calc(var(--header-h) + 24px);
}
[data-section].is-active{
  --section-accent:var(--cyan);
}

[data-toc] a[aria-current="location"]{
  color:var(--cyan);
}

/* ---------- 10. 响应式 ---------- */

/* 平板：页头折叠为抽屉 */
@media (max-width:980px){
  .nav-toggle{display:grid;}
  .header-tools{margin-left:auto;}

  .nav-capsule{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin-left:0;
    display:none;
    padding:8px;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--glass-strong);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    box-shadow:0 24px 48px -28px rgba(0,0,0,.9);
  }
  .nav-capsule[data-open="true"]{display:block;}

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-list a{
    padding:13px 16px;
    border-radius:16px;
    font-size:15px;
  }
}

/* 平板：页脚与网格 */
@media (max-width:1080px){
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .footer-contact{grid-column:1 / -1;}
}

@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:44px 0;}
}

@media (max-width:760px){
  .site-footer{
    margin-top:72px;
    padding:48px 20px 24px;
  }
  .footer-inner{grid-template-columns:1fr;gap:32px;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-legal{justify-content:flex-start;}
}

@media (max-width:640px){
  :root{--header-h:76px;--gap:18px;}
  .site-header{padding:10px 12px;}
  .header-inner{padding:7px 8px 7px 12px;gap:10px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px;}
  .brand-name{font-size:15.5px;}
  .brand-note{display:none;}
  .header-tools .btn-primary{padding:9px 14px;font-size:13px;}
  .nav-toggle{width:38px;height:38px;}
  .card{padding:18px;}
  .container,.container--narrow{width:calc(100% - 32px);}
  .section{padding:36px 0;}
}

@media (max-width:600px){
  .grid--2,
  .grid--3,
  .grid--4,
  .grid--bento{grid-template-columns:1fr;}
}

@media (max-width:420px){
  .footer-cols{grid-template-columns:1fr;}
  .header-tools .btn-primary{padding:8px 12px;font-size:12.5px;}
  .brand-name{font-size:14.5px;}
}

/* ---------- 11. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}

  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }

  html.js [data-reveal]{
    opacity:1;
    transform:none;
  }

  .card:hover,
  .btn:hover{transform:none;}
}