/* =========================================================
   雷霆体育赛场 · 共享样式表 /assets/site.css
   深墨蓝夜色底 + 电光青信号色 + 熔岩橙数据高亮
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink:#071322;
  --navy:#0F2338;
  --steel:#1C3A57;
  --cyan:#22E3D2;
  --mist:#B7F7F0;
  --lava:#FF6A2B;
  --sand:#FFB787;
  --white:#E9F1F7;
  --gray:#90A6BC;
  --grass:#6FE7A5;

  --rail:240px;
  --shell:1440px;
  --gutter:clamp(16px,3vw,40px);

  --radius-lg:22px;
  --radius-md:14px;
  --radius-pill:999px;

  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --t-fast:120ms;
  --t-base:180ms;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  min-height:100vh;
  background:var(--ink);
  color:var(--white);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  word-break:break-word;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,picture,svg,video,canvas{max-width:100%;display:block}
svg{flex:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
hr{border:0;border-top:1px solid var(--steel);margin:0}

h1,h2,h3,h4,h5{margin:0;font-weight:900;line-height:1.15;letter-spacing:-.01em;text-wrap:balance}
p{margin:0 0 1em;text-wrap:pretty}
p:last-child{margin-bottom:0}

::selection{background:var(--cyan);color:var(--ink)}

/* ---------- 3. 中文排版与工具类 ---------- */
.display{font-weight:900;font-stretch:semi-condensed;letter-spacing:-.022em;line-height:1.02}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.text-gray{color:var(--gray)}
.text-mist{color:var(--mist)}
.text-cyan{color:var(--cyan)}
.text-lava{color:var(--lava)}

.container{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.prose{max-width:74ch}
.section{padding-block:clamp(40px,6vw,84px)}
.stack{display:flex;flex-direction:column;gap:clamp(16px,2.4vw,28px)}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--lava);flex:none}

.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:16px;padding-bottom:14px;margin-bottom:clamp(20px,3vw,36px);
  border-bottom:1px solid rgba(28,58,87,.75);
}
.section-title{font-size:clamp(24px,3.2vw,34px)}

/* ---------- 4. 无障碍与焦点 ---------- */
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:4px;
}

.skip-link{
  position:absolute;left:16px;top:-72px;z-index:200;
  display:inline-flex;align-items:center;
  padding:10px 20px;border-radius:var(--radius-pill);
  background:var(--cyan);color:var(--ink);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:top var(--t-base) var(--ease);
}
.skip-link:focus{top:12px}

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

/* ---------- 5. 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  transition:transform var(--t-fast) var(--ease),
             background-color var(--t-base) var(--ease),
             border-color var(--t-base) var(--ease),
             color var(--t-base) var(--ease);
}
.btn-lava{background:var(--lava);color:var(--ink)}
.btn-lava:hover{background:var(--sand);transform:translateY(-2px)}
.btn-cyan{background:var(--cyan);color:var(--ink)}
.btn-cyan:hover{background:var(--mist);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--steel);color:var(--white);background:transparent}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--steel);color:var(--mist);
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;
}
.pill--lava{background:var(--lava);border-color:var(--lava);color:var(--ink);font-weight:700}
.pill--ok{background:rgba(111,231,165,.14);border-color:rgba(111,231,165,.42);color:var(--grass)}

/* ---------- 6. 卡片与数据元素 ---------- */
.card{
  background:var(--navy);
  border:1px solid var(--steel);
  border-radius:var(--radius-lg);
  padding:clamp(18px,2.4vw,28px);
  transition:transform var(--t-base) var(--ease),
             border-color var(--t-base) var(--ease),
             background-color var(--t-base) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--cyan)}

.stat-value{
  font-family:var(--mono);font-weight:700;font-variant-numeric:tabular-nums;
  font-size:clamp(38px,6vw,72px);line-height:1;letter-spacing:-.01em;color:var(--cyan);
}
.stat-value--lava{color:var(--lava)}
.stat-label{
  display:block;margin-top:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--gray);
}

/* ---------- 7. 图片 / 可视化容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--steel);
  background:var(--navy);
  aspect-ratio:16/10;
}
.media-frame>img,.media-frame>svg,.media-frame>picture>img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}

.grid-veil{position:relative}
.grid-veil::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(34,227,210,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,227,210,.09) 1px,transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:radial-gradient(circle at 32% 30%,#000 10%,transparent 78%);
  mask-image:radial-gradient(circle at 32% 30%,#000 10%,transparent 78%);
}

/* ---------- 8. 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--gray);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--steel)}
.breadcrumb a{transition:color var(--t-fast) var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}

/* =========================================================
   9. 站点头部
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,19,34,.94);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--steel);
}

.header-bar{position:relative}

.header-grid{
  max-width:var(--shell);margin-inline:auto;
  padding-inline:var(--gutter);
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  min-height:76px;
  transition:min-height var(--t-base) var(--ease);
}
.site-header.is-condensed .header-grid{min-height:60px}

/* 品牌轨道 */
.brand-rail{
  display:inline-flex;align-items:center;gap:10px;min-width:0;
}
.brand-mark{
  position:relative;flex:none;
  width:36px;height:36px;border-radius:12px;
  background:var(--cyan);
  box-shadow:0 0 0 1px rgba(34,227,210,.28);
}
.brand-mark::before{
  content:"";position:absolute;inset:8px 9px;
  background:var(--ink);
  clip-path:polygon(58% 0%,6% 56%,44% 56%,34% 100%,94% 40%,54% 40%);
}
.brand-text{display:flex;flex-direction:column;min-width:0;line-height:1.2}
.brand-name{font-size:19px;font-weight:900;letter-spacing:-.015em;color:var(--white)}
.brand-sub{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--gray);white-space:nowrap;
}

/* 居中刊头导航 */
.masthead{min-width:0}
.masthead-list{
  display:flex;align-items:center;justify-content:center;
  gap:clamp(8px,1.6vw,26px);
}
.masthead-list a{
  position:relative;display:inline-block;
  padding:6px 2px 11px;
  font-size:14.5px;letter-spacing:.05em;color:var(--gray);
  transition:color var(--t-base) var(--ease);
}
.masthead-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;border-radius:2px;
  background:var(--cyan);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t-base) var(--ease);
}
.masthead-list a:hover{color:var(--white)}
.masthead-list a:hover::after{transform:scaleX(1)}
.masthead-list a[aria-current="page"]{color:var(--white);font-weight:700}
.masthead-list a[aria-current="page"]::after{transform:scaleX(1)}

/* 快速操作 */
.header-actions{display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--steel);
  transition:border-color var(--t-base) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--white);
  transition:transform var(--t-base) var(--ease),opacity var(--t-base) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 栏目轨道 */
.header-track{
  background:var(--navy);
  border-top:1px solid rgba(28,58,87,.7);
}
.track-inner{
  max-width:var(--shell);margin-inline:auto;
  padding:9px var(--gutter);
  display:flex;align-items:center;gap:16px;
  min-height:52px;
}

.search-box{
  display:flex;align-items:center;gap:8px;flex:none;
  width:min(268px,38vw);
  padding:7px 16px;
  border:1px solid var(--steel);border-radius:var(--radius-pill);
  background:var(--ink);
  transition:border-color var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.search-box:focus-within{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(34,227,210,.18);
}
.search-box svg{color:var(--gray)}
.search-box input{
  width:100%;min-width:0;background:none;border:0;outline:none;
  color:var(--white);font-size:13.5px;letter-spacing:.02em;
}
.search-box input::placeholder{color:var(--gray)}
.search-box input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}

.league-chips{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;padding:2px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.league-chips::-webkit-scrollbar{display:none}

.chip{
  flex:none;white-space:nowrap;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--steel);
  color:var(--gray);background:transparent;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;
  transition:color var(--t-base) var(--ease),
             background-color var(--t-base) var(--ease),
             border-color var(--t-base) var(--ease),
             opacity var(--t-base) var(--ease);
}
.chip:hover{color:var(--white);border-color:var(--cyan)}
.chip[aria-pressed="true"]{
  background:var(--cyan);border-color:var(--cyan);color:var(--ink);font-weight:700;
}
.chip.is-dim{opacity:.28}

/* =========================================================
   10. 站点页脚
   ========================================================= */
.site-footer{
  margin-top:clamp(48px,8vw,96px);
  background:var(--ink);
  border-top:1px solid var(--steel);
}

.footer-grid{
  max-width:var(--shell);margin-inline:auto;
  padding:clamp(36px,5vw,68px) var(--gutter) clamp(28px,4vw,48px);
  display:grid;
  grid-template-columns:1.35fr .85fr .85fr 1.45fr;
  gap:clamp(24px,3vw,56px);
}

.footer-col{min-width:0}
.footer-col h3{
  display:flex;align-items:center;gap:9px;
  margin-bottom:16px;
  font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.16em;color:var(--mist);text-transform:uppercase;
}
.footer-col h3::before{
  content:"";flex:none;width:18px;height:2px;border-radius:2px;background:var(--cyan);
}

.footer-links{margin-bottom:22px}
.footer-links li+li,
.footer-col nav li+li{margin-top:9px}

.footer-col a{
  font-size:14.5px;color:var(--gray);
  transition:color var(--t-fast) var(--ease);
}
.footer-col a:hover{color:var(--cyan)}

.footer-identity .brand-rail{margin-bottom:16px}
.footer-note{
  font-size:13.5px;line-height:1.7;color:var(--gray);
  max-width:34ch;
}

.contact-list li+li{margin-top:14px}
.contact-label{
  display:block;margin-bottom:5px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--gray);
}
.contact-value{
  display:block;font-size:13.5px;line-height:1.6;color:var(--mist);
}

.copy-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:2px 0;
  font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--white);
  border-bottom:1px dashed var(--steel);
  transition:color var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.copy-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.copy-btn.is-copied{color:var(--grass);border-color:var(--grass)}

.footer-base{border-top:1px solid rgba(28,58,87,.7)}
.footer-base-inner{
  max-width:var(--shell);margin-inline:auto;
  padding:18px var(--gutter);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--gray);
}
.footer-base-inner p{margin:0}
.footer-icp{color:var(--mist)}

/* =========================================================
   11. 响应式
   ========================================================= */
@media (max-width:1180px){
  .header-grid{grid-template-columns:minmax(180px,var(--rail)) minmax(0,1fr) auto}
  .masthead-list{gap:10px}
  .masthead-list a{font-size:13.5px;letter-spacing:.02em}
}

@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-note{max-width:none}
}

@media (max-width:900px){
  .header-grid{
    grid-template-columns:minmax(0,1fr) auto;
    min-height:64px;
    gap:12px;
  }
  .site-header.is-condensed .header-grid{min-height:56px}
  .brand-rail{grid-column:1}
  .header-actions{grid-column:2}
  .header-actions .btn-lava{padding:8px 16px;font-size:13px}
  .nav-toggle{display:inline-flex}

  .masthead{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    background:var(--navy);
    border-bottom:1px solid var(--steel);
    box-shadow:0 24px 44px rgba(0,0,0,.5);
    padding:8px var(--gutter) 20px;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
  }
  .masthead[data-open]{display:block}
  .masthead-list{flex-direction:column;align-items:stretch;gap:0}
  .masthead-list li{border-bottom:1px solid rgba(28,58,87,.7)}
  .masthead-list li:last-child{border-bottom:0}
  .masthead-list a{display:block;padding:15px 2px;font-size:16px}
  .masthead-list a::after{right:auto;width:24px;bottom:10px}
}

@media (max-width:760px){
  .track-inner{flex-wrap:wrap;gap:10px;padding-block:12px}
  .search-box{width:100%}
  .league-chips{width:100%}
  .header-track{position:relative}
}

@media (max-width:620px){
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-base-inner{flex-direction:column;align-items:flex-start}
  .btn{padding:10px 18px}
}

/* ---------- 12. 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .card:hover,
  .btn:hover{transform:none}
}