/* ============================================================
   云体育安装 · 共享样式表  /assets/site.css
   夜间球场数据台：深空黑底 + 球场绿 / 电子青 + 荧光黄点缀
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}

/* ---------- 变量 ---------- */
:root{
  --c-void:#070C10;
  --c-night:#101820;
  --c-line:#22303A;
  --c-pitch:#0F8A4D;
  --c-turf:#2FBF71;
  --c-cyan:#16E0CF;
  --c-violet:#7A5CFF;
  --c-volt:#DFF94B;
  --c-paper:#F2F6F4;
  --c-ink:#0A1216;
  --c-muted:#6D7E88;
  --c-soft:rgba(242,246,244,.74);

  --font-sans:"Noto Sans SC","HarmonyOS 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;

  --shell:1360px;
  --gutter:clamp(16px,4.2vw,40px);
  --cut:22px;
  --dur:180ms;
  --dur-fast:110ms;
  --ease:cubic-bezier(.2,.7,.3,1);
}

body{
  background:var(--c-void);
  color:var(--c-paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body[data-nav-locked]{overflow:hidden}
::selection{background:var(--c-cyan);color:var(--c-ink)}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}

/* ---------- 布局容器 ---------- */
.shell{width:min(calc(100% - var(--gutter) * 2),var(--shell));margin-inline:auto}
.shell--wide{width:min(calc(100% - var(--gutter) * 2),1680px)}
.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(26px,4vw,56px)}
.section--paper{background:var(--c-paper);color:var(--c-ink)}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:clamp(22px,3vw,40px)}
.section__title{font-size:clamp(1.6rem,3vw,2.125rem);font-weight:900;line-height:1.15;letter-spacing:-.01em}
.section__note{font-size:.8125rem;letter-spacing:.14em;color:var(--c-muted)}

.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 排版 ---------- */
.display{font-size:clamp(2.4rem,6.4vw,6rem);font-weight:900;line-height:1.02;letter-spacing:-.02em}
.h-section{font-size:clamp(1.6rem,3vw,2.125rem);font-weight:900;line-height:1.15;letter-spacing:-.01em}
.h-block{font-size:clamp(1.15rem,2vw,1.375rem);font-weight:700;line-height:1.35}
.lead{font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.8;color:var(--c-soft)}
.muted{color:var(--c-muted)}
.cyan{color:var(--c-cyan)}
.turf{color:var(--c-turf)}
.volt{color:var(--c-volt)}
.annotation{font-size:.75rem;letter-spacing:.18em;color:var(--c-muted);text-transform:uppercase}
.eyebrow{font-size:.75rem;font-weight:700;letter-spacing:.2em;color:var(--c-turf);text-transform:uppercase}
.data{font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.data-xl{font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;font-size:clamp(2.5rem,5vw,3.5rem);line-height:1;letter-spacing:0}
.rail-note{writing-mode:vertical-rl;text-orientation:mixed;font-size:.6875rem;letter-spacing:.28em;color:var(--c-muted)}

/* ---------- 切角与斜切 ---------- */
.cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.cut--sm{--cut:12px}
.cut--notch{clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.slant-divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,var(--c-line) 14%,var(--c-line) 86%,transparent);transform:rotate(-.6deg);transform-origin:left center}

/* ---------- 按钮与链接 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:.74em 1.15em;font-size:.9375rem;font-weight:700;line-height:1;
  letter-spacing:.02em;border:1px solid transparent;--cut:12px;
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),filter var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--accent{background:var(--c-volt);color:var(--c-ink)}
.btn--accent:hover{filter:brightness(1.07)}
.btn--pitch{background:var(--c-pitch);color:var(--c-paper)}
.btn--pitch:hover{filter:brightness(1.1)}
.btn--cyan{background:var(--c-cyan);color:var(--c-ink)}
.btn--ghost{border-color:var(--c-line);background:rgba(16,24,32,.6);color:var(--c-paper)}
.btn--ghost:hover{border-color:var(--c-cyan);color:var(--c-cyan)}

.link-arrow{display:inline-flex;align-items:center;gap:.5em;font-weight:700;color:var(--c-cyan);border-bottom:1px solid rgba(22,224,207,.35);padding-bottom:.15em;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.link-arrow::after{content:"→";transition:transform var(--dur) var(--ease)}
.link-arrow:hover{border-bottom-color:var(--c-cyan)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 标记、卡片、标签 ---------- */
.tag{display:inline-flex;align-items:center;gap:.4em;padding:.32em .7em;font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--c-turf);background:rgba(15,138,77,.14);border:1px solid rgba(47,191,113,.36);--cut:8px;clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.tag--cyan{color:var(--c-cyan);background:rgba(22,224,207,.1);border-color:rgba(22,224,207,.42)}
.tag--volt{color:var(--c-ink);background:var(--c-volt);border-color:transparent}

.card{position:relative;padding:clamp(18px,2.2vw,28px);background:linear-gradient(155deg,var(--c-night) 0%,rgba(7,12,16,.92) 100%);border:1px solid var(--c-line);--cut:18px;clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.card>*+*{margin-top:.85em}
.card--accent{border-color:rgba(22,224,207,.42)}
.card__title{font-size:1.0625rem;font-weight:700;line-height:1.4}
.card__meta{font-size:.75rem;letter-spacing:.16em;color:var(--c-muted)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{padding-top:18px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.5em;font-size:.8125rem;letter-spacing:.06em;color:var(--c-muted)}
.breadcrumbs li+li::before{content:"/";margin-right:.5em;color:var(--c-line)}
.breadcrumbs a{transition:color var(--dur) var(--ease)}
.breadcrumbs a:hover{color:var(--c-cyan)}

/* ---------- 正文区 ---------- */
.prose{max-width:72ch;font-size:1rem;line-height:1.85;color:var(--c-soft)}
.prose>*+*{margin-top:1.15em}
.prose h2{font-size:clamp(1.35rem,2.2vw,1.625rem);font-weight:900;line-height:1.3;color:var(--c-paper)}
.prose h3{font-size:1.0625rem;font-weight:700;line-height:1.45;color:var(--c-paper)}
.prose strong{color:var(--c-paper)}
.prose a{color:var(--c-cyan);border-bottom:1px solid rgba(22,224,207,.35)}
.prose--paper{color:#2C3A41}
.prose--paper h2,.prose--paper h3,.prose--paper strong{color:var(--c-ink)}
.prose--paper a{color:var(--c-pitch);border-bottom-color:rgba(15,138,77,.4)}

/* ---------- 图片容器（页面阶段放 img） ---------- */
.media-frame{position:relative;overflow:hidden;background:linear-gradient(150deg,#0E1A20 0%,#070C10 100%);border:1px solid var(--c-line);--cut:20px;clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(7,12,16,0) 52%,rgba(7,12,16,.66) 100%)}
.media-frame__caption{position:absolute;left:16px;right:16px;bottom:12px;z-index:2;font-size:.75rem;letter-spacing:.14em;color:rgba(242,246,244,.86)}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--3x2{aspect-ratio:3/2}
.media-frame--1x1{aspect-ratio:1/1}

/* ---------- 手风琴 ---------- */
.accordion{border-top:1px solid var(--c-line)}
.accordion__item{border-bottom:1px solid var(--c-line)}
.accordion__trigger{display:flex;width:100%;align-items:center;justify-content:space-between;gap:18px;padding:1.05em 0;text-align:left;font-size:1.0625rem;font-weight:700;color:var(--c-paper);transition:color var(--dur) var(--ease)}
.accordion__trigger:hover{color:var(--c-cyan)}
.accordion__sign{position:relative;flex:0 0 auto;width:14px;height:14px}
.accordion__sign::before,.accordion__sign::after{content:"";position:absolute;left:0;top:6px;width:14px;height:2px;background:currentColor;transition:transform var(--dur) var(--ease)}
.accordion__sign::after{transform:rotate(90deg)}
.accordion__item[data-open] .accordion__sign::after{transform:rotate(0deg)}
.accordion__panel{overflow:hidden;max-height:0;opacity:0;transition:max-height var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.accordion__item[data-open] .accordion__panel{opacity:1}
.accordion__panel-inner{padding:.2em 0 1.4em;max-width:70ch;color:var(--c-soft);font-size:.9375rem}

/* ---------- 标签页 ---------- */
.tabset__list{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--c-line)}
.tabset__tab{padding:.72em 1.1em;font-size:.9375rem;font-weight:700;letter-spacing:.02em;color:var(--c-muted);--cut:10px;clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.tabset__tab:hover{color:var(--c-cyan);background:rgba(22,224,207,.08)}
.tabset__tab[aria-selected="true"]{background:var(--c-cyan);color:var(--c-ink)}
.tabset__panel{padding-top:clamp(18px,3vw,32px)}

/* ---------- 入屏显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 220ms var(--ease),transform 220ms var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- skip link ---------- */
.skip-link{position:absolute;left:14px;top:-70px;z-index:200;padding:.7em 1.15em;background:var(--c-volt);color:var(--c-ink);font-size:.875rem;font-weight:700;letter-spacing:.04em;transition:top 150ms var(--ease)}
.skip-link:focus{top:14px}

/* ============================================================
   页头
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,12,16,.94);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.site-header::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--c-pitch) 0%,var(--c-turf) 34%,var(--c-cyan) 72%,var(--c-volt) 100%)}
.site-header::after{content:"";position:fixed;inset:0;z-index:55;background:rgba(4,8,11,.66);opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease)}
.site-header[data-open]::after{opacity:1}

.brand-bar__inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(16px,3vw,40px);padding:15px 0 13px}

.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand__mark{flex:0 0 auto;width:28px;height:28px;background:linear-gradient(140deg,var(--c-turf),var(--c-pitch));clip-path:polygon(0 0,100% 0,100% 56%,56% 100%,0 100%);box-shadow:inset 0 0 0 1px rgba(22,224,207,.45)}
.brand__text{display:block;min-width:0}
.brand__name{display:block;font-size:1.25rem;font-weight:900;line-height:1.1;letter-spacing:-.01em}
.brand__tagline{display:block;margin-top:4px;font-size:.6875rem;letter-spacing:.18em;color:var(--c-muted)}
.brand--footer .brand__mark{width:24px;height:24px}

.season-status{display:flex;align-items:center;flex-wrap:wrap;gap:10px;min-width:0;font-size:.75rem;letter-spacing:.14em;color:var(--c-muted)}
.season-status__dot{width:7px;height:7px;background:var(--c-turf);box-shadow:0 0 0 4px rgba(47,191,113,.16);animation:pulse-dot 2.4s var(--ease) infinite}
.season-status__label{color:var(--c-muted)}
.season-status__value{font-family:var(--font-mono);font-weight:700;font-size:.875rem;letter-spacing:.06em;color:var(--c-cyan)}
.season-status__round{color:var(--c-turf)}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.35}}

.brand-bar__actions{display:flex;align-items:center;gap:10px;justify-self:end}
.nav-search{display:inline-flex;align-items:center;gap:.55em;padding:.6em 1em;font-size:.8125rem;font-weight:600;color:var(--c-soft);border:1px solid var(--c-line);transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.nav-search__icon{position:relative;width:12px;height:12px;border:1.5px solid currentColor;border-radius:50%}
.nav-search__icon::after{content:"";position:absolute;right:-4px;bottom:-3px;width:6px;height:1.5px;background:currentColor;transform:rotate(45deg)}
.nav-search:hover{border-color:var(--c-cyan);color:var(--c-cyan)}

.nav-toggle{display:none;place-items:center;width:44px;height:40px;border:1px solid var(--c-line);background:rgba(22,224,207,.07);--cut:10px;clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%)}
.nav-toggle:hover{border-color:var(--c-cyan)}
.nav-toggle__bars{display:grid;gap:5px;width:18px}
.nav-toggle__bar{display:block;height:2px;background:var(--c-paper);transition:transform var(--dur) var(--ease),opacity var(--dur-fast) linear}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.site-nav{position:relative;background:rgba(16,24,32,.55);border-top:1px solid rgba(34,48,58,.7)}
.site-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.site-nav__list{display:flex;flex-wrap:wrap;align-items:center}
.site-nav__link{position:relative;display:inline-flex;align-items:center;padding:14px 18px;font-size:.9375rem;font-weight:600;color:rgba(242,246,244,.76);transition:color var(--dur) var(--ease)}
.site-nav__link::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--c-volt);transform:scaleX(0);transform-origin:left center;transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease)}
.site-nav__link:hover{color:var(--c-cyan)}
.site-nav__link:hover::after{background:var(--c-cyan);transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--c-paper)}
.site-nav__link[aria-current="page"]::after{background:var(--c-volt);transform:scaleX(1)}
.site-nav__note{font-size:.6875rem;letter-spacing:.18em;color:var(--c-muted);white-space:nowrap}

.scroll-meter{position:absolute;left:0;bottom:-1px;z-index:2;width:0;height:2px;background:linear-gradient(90deg,var(--c-cyan),var(--c-volt));transition:width 90ms linear}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(72px,10vw,140px);
  padding:clamp(52px,7vw,92px) 0 26px;
  color:var(--c-paper);
  border-top:1px solid rgba(47,191,113,.35);
  background:
    radial-gradient(120% 90% at 0% 0%,rgba(15,138,77,.44) 0%,rgba(15,138,77,.08) 46%,rgba(7,12,16,0) 74%),
    radial-gradient(90% 70% at 100% 8%,rgba(22,224,207,.13) 0%,rgba(7,12,16,0) 60%),
    linear-gradient(180deg,#0A1318 0%,var(--c-void) 100%);
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:4px;background:linear-gradient(90deg,var(--c-pitch),var(--c-turf) 42%,var(--c-cyan) 78%,var(--c-volt));transform:skewY(-.35deg);transform-origin:left top}

.footer__grid{display:grid;grid-template-columns:1.4fr .8fr 1.05fr .9fr;gap:clamp(28px,4vw,56px);align-items:start}
.footer__brand{min-width:0}
.footer__closing{margin-top:18px;max-width:15ch;font-size:clamp(1.05rem,1.8vw,1.375rem);font-weight:900;line-height:1.42;letter-spacing:-.01em}
.footer__title{margin-bottom:16px;font-size:.6875rem;font-weight:700;letter-spacing:.2em;color:var(--c-turf);text-transform:uppercase}
.footer__links{display:grid;gap:9px}
.footer__links a{display:inline-block;padding-left:0;font-size:.9375rem;color:rgba(242,246,244,.78);border-left:2px solid transparent;transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.footer__links a:hover{color:var(--c-cyan);padding-left:9px;border-left-color:var(--c-cyan)}
.footer__text{max-width:34ch;font-size:.9375rem;line-height:1.8;color:rgba(242,246,244,.7)}

.footer__contact{margin-top:clamp(36px,5vw,64px);padding-top:clamp(22px,3vw,34px);border-top:1px solid rgba(34,48,58,.85)}
.footer__contact-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.footer__label{display:block;margin-bottom:6px;font-size:.6875rem;letter-spacing:.18em;color:var(--c-muted)}
.footer__value{display:block;font-size:.9375rem;line-height:1.7;color:rgba(242,246,244,.88);word-break:break-word}

.footer__legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 28px;margin-top:clamp(28px,4vw,48px);padding-top:20px;border-top:1px solid rgba(34,48,58,.85);font-size:.8125rem;color:var(--c-muted)}
.footer__icp{font-family:var(--font-mono);letter-spacing:.04em}
.footer__legal-links{display:flex;flex-wrap:wrap;gap:20px}
.footer__legal-links a{color:rgba(242,246,244,.72);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.footer__legal-links a:hover{color:var(--c-cyan);border-bottom-color:var(--c-cyan)}
.footer__copy{margin:0}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__contact-list{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .brand-bar__inner{grid-template-columns:1fr auto;gap:12px}
  .season-status{grid-column:1 / -1}
  .nav-toggle{display:grid}
  .nav-search{display:none}

  .site-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:70;
    width:min(360px,88vw);
    padding:88px 0 40px;
    overflow-y:auto;
    border-top:0;border-left:1px solid var(--c-line);
    background:linear-gradient(200deg,var(--c-night) 0%,var(--c-void) 100%);
    transform:translateX(103%);
    transition:transform 200ms var(--ease);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .site-nav .site-nav__inner{display:block;width:100%}
  .site-nav .site-nav__list{flex-direction:column;align-items:stretch}
  .site-nav .site-nav__link{width:100%;padding:15px 24px;font-size:1.0625rem;border-bottom:1px solid rgba(34,48,58,.7)}
  .site-nav .site-nav__link::after{left:0;right:auto;top:0;bottom:0;width:3px;height:auto;transform:scaleY(0);transform-origin:top center}
  .site-nav .site-nav__link:hover::after,
  .site-nav .site-nav__link[aria-current="page"]::after{transform:scaleY(1)}
  .site-nav__note{display:none}
}
@media (max-width:900px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__contact-list{grid-template-columns:1fr}
  .footer__legal{flex-direction:column;align-items:flex-start;gap:10px}
  .brand__tagline{letter-spacing:.14em}
}

/* ============================================================
   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}
  [data-reveal]{opacity:1 !important;transform:none !important}
}