/* ============================================================
   site.css — 天博体育 · 联赛与球队资料库
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

:root{
  --ink:#0A1F1A;
  --ink-panel:#12382E;
  --charcoal:#151715;
  --paper:#F6F1E7;
  --card:#E9E3D6;
  --lime:#B8FF3D;
  --lime-soft:#E4FFA8;
  --amber:#FFB03A;
  --amber-deep:#C96A1B;
  --mist:#8FA89D;
  --line-dark:rgba(143,168,157,.24);
  --line-light:rgba(21,23,21,.12);
  --text-soft:#3B4A43;
  --text-mute:#5D6B63;
  --font-display:'Barlow Condensed','Noto Sans SC','PingFang SC',sans-serif;
  --font-data:'IBM Plex Mono','JetBrains Mono','SFMono-Regular',monospace;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --shell:1360px;
  --gutter:clamp(16px,4vw,56px);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --header-h:78px;
  --header-h-sm:60px;
  --ease:cubic-bezier(.22,.7,.3,1);
  --progress:0;
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--charcoal);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0}
strong{font-weight:700}

:focus-visible{
  outline:3px solid var(--amber-deep);
  outline-offset:3px;
  border-radius:6px;
}
.site-header :focus-visible,
.site-footer :focus-visible{outline-color:var(--lime)}

.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:200;
  padding:12px 20px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ============================================================
   头部：紧凑命令栏
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink);
  color:var(--paper);
  border-bottom:1px solid var(--line-dark);
  box-shadow:0 1px 0 rgba(184,255,61,.06);
}

.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.6vw,26px);
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  transition:min-height .26s var(--ease);
}
.site-header[data-compact] .header-inner{min-height:var(--header-h-sm)}

/* 品牌索引 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  min-height:44px;
  padding:4px 6px 4px 0;
  color:inherit;
  text-decoration:none;
}
.brand-mark{
  display:grid;
  place-items:center;
  width:36px;height:36px;
  border-radius:13px;
  background:linear-gradient(150deg,var(--lime) 0%,#7FD61F 100%);
  color:var(--ink);
  font-family:var(--font-data);
  font-size:13px;
  font-weight:700;
  letter-spacing:-.04em;
  box-shadow:0 6px 18px rgba(184,255,61,.22);
  transition:transform .26s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(-6deg)}
.brand-text{
  display:flex;
  flex-direction:column;
  gap:2px;
  line-height:1.05;
}
.brand-name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  letter-spacing:.01em;
}
.brand-sub{
  font-size:10.5px;
  letter-spacing:.18em;
  color:var(--mist);
}

/* 导航 */
.primary-nav{
  margin-inline-start:clamp(6px,1.6vw,22px);
  flex:1 1 auto;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  flex-wrap:nowrap;
  gap:2px;
}
.nav-item{flex:0 0 auto}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  padding:0 11px;
  border-radius:var(--r-pill);
  color:rgba(246,241,231,.78);
  font-size:14px;
  font-weight:500;
  line-height:1.2;
  white-space:nowrap;
  text-decoration:none;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-index{
  font-family:var(--font-data);
  font-size:10px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--mist);
  transition:color .2s var(--ease);
}
.nav-label{display:inline-block}
.nav-link:hover{
  background:rgba(184,255,61,.12);
  color:var(--paper);
}
.nav-link:hover .nav-index{color:var(--lime)}
.nav-link[aria-current="page"]{
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
}
.nav-link[aria-current="page"] .nav-index{color:rgba(10,31,26,.55)}

/* 右侧状态与行动 */
.header-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  margin-inline-start:auto;
}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 13px;
  border:1px solid rgba(184,255,61,.34);
  border-radius:var(--r-pill);
  background:rgba(184,255,61,.09);
  color:var(--lime-soft);
  font-family:var(--font-data);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--lime);
  animation:statusPulse 2.6s ease-out infinite;
}
@keyframes statusPulse{
  0%{box-shadow:0 0 0 0 rgba(184,255,61,.5)}
  70%{box-shadow:0 0 0 8px rgba(184,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(184,255,61,0)}
}
.status-text{display:inline-block}
.header-cta{white-space:nowrap}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  place-items:center;
  width:44px;height:44px;
  flex:0 0 auto;
  border:1px solid rgba(246,241,231,.26);
  border-radius:14px;
  background:rgba(246,241,231,.06);
  color:var(--paper);
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(184,255,61,.14);border-color:rgba(184,255,61,.5)}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:20px;height:12px;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--ease),top .26s var(--ease),bottom .26s var(--ease);
}
.nav-toggle-bars::before{top:0}
.nav-toggle-bars::after{bottom:0}
.site-header[data-open] .nav-toggle-bars::before{top:5px;transform:rotate(45deg)}
.site-header[data-open] .nav-toggle-bars::after{bottom:5px;transform:rotate(-45deg)}

/* 阅读进度线 */
.scroll-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  transform:scaleX(var(--progress));
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime) 0%,var(--lime-soft) 55%,var(--amber) 100%);
  pointer-events:none;
}

/* ============================================================
   页脚：档案柜末层
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  padding-top:clamp(40px,6vw,76px);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(184,255,61,.11), transparent 62%),
    radial-gradient(85% 70% at 2% 100%, rgba(255,176,58,.10), transparent 64%),
    var(--ink);
  color:var(--paper);
  border-top:1px solid rgba(184,255,61,.22);
  overflow:hidden;
}
.footer-inner{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(250px,1.5fr) repeat(3,minmax(118px,.75fr)) minmax(200px,1.15fr);
  gap:clamp(22px,3vw,46px);
  align-items:start;
}
.footer-brand{max-width:38ch}
.brand--footer{
  padding:0;
  margin-bottom:16px;
}
.brand--footer .brand-name{font-size:22px}
.brand--footer .brand-sub{color:var(--mist)}
.footer-summary{
  font-size:14.5px;
  line-height:1.8;
  color:rgba(246,241,231,.74);
  margin-bottom:18px;
}
.footer-col{min-width:0}
.footer-col-title{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding-bottom:10px;
  margin-bottom:10px;
  border-bottom:1px solid var(--line-dark);
  font-family:var(--font-display);
  font-weight:700;
  font-size:14px;
  letter-spacing:.14em;
  color:var(--lime-soft);
}
.footer-col-index{
  font-family:var(--font-data);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-links li + li{margin-top:1px}
.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding-inline:2px;
  color:rgba(246,241,231,.82);
  font-size:15px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-links a:hover{
  color:var(--lime);
  border-bottom-color:rgba(184,255,61,.5);
}
.footer-contact-line{
  font-size:14px;
  line-height:1.7;
  color:rgba(246,241,231,.78);
  overflow-wrap:anywhere;
}
.footer-contact-line + .footer-contact-line{margin-top:6px}
.footer-contact-line:first-of-type{
  font-family:var(--font-data);
  font-size:13.5px;
  color:var(--lime-soft);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(30px,4.4vw,56px);
  padding-block:clamp(16px,2.4vw,24px) clamp(22px,3vw,32px);
  border-top:1px solid var(--line-dark);
  font-size:13px;
  color:var(--mist);
}
.footer-note{max-width:58ch;line-height:1.7}
.footer-legal{
  display:inline-flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  line-height:1.7;
}
.footer-icp{
  font-family:var(--font-data);
  letter-spacing:.02em;
  color:rgba(246,241,231,.66);
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,34px);
  bottom:clamp(14px,3vw,34px);
  z-index:70;
  display:grid;
  place-items:center;
  width:52px;height:52px;
  border:1px solid rgba(184,255,61,.42);
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  font-family:var(--font-data);
  font-size:18px;
  font-weight:700;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  box-shadow:0 14px 34px rgba(10,31,26,.4);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s,background-color .2s;
}
.to-top[data-visible]{
  opacity:1;
  visibility:visible;
  transform:none;
}
.to-top:hover{background:var(--ink-panel);border-color:var(--lime)}

/* ============================================================
   通用布局与基础组件
   ============================================================ */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:clamp(40px,6vw,88px)}
.section--ink{background:var(--ink);color:var(--paper)}
.section--paper{background:var(--paper)}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2.2vw,28px);
}
.span-2{grid-column:span 2}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}

/* 面包屑 */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-family:var(--font-data);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--text-mute);
}
.breadcrumbs li{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.breadcrumbs li + li::before{
  content:"/";
  color:var(--mist);
}
.breadcrumbs a{
  color:inherit;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.breadcrumbs a:hover{
  color:var(--ink);
  border-bottom-color:var(--lime);
}

/* 展签标签 */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--lime-soft);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  line-height:1.4;
}
.eyebrow--dark{
  background:rgba(184,255,61,.14);
  border:1px solid rgba(184,255,61,.34);
  color:var(--lime-soft);
}

/* 标题层级 */
.display{
  font-family:var(--font-display);
  font-weight:800;
  line-height:.98;
  letter-spacing:-.02em;
}
.h-hero{font-size:clamp(48px,7vw,112px)}
.h-section{font-size:clamp(30px,4.2vw,54px);line-height:1.02}
.h-card{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(20px,2vw,25px);
  line-height:1.16;
  letter-spacing:-.01em;
}

/* 数据数字 */
.data{
  font-family:var(--font-data);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1;
}
.data-lg{font-size:clamp(28px,3.4vw,44px)}
.data-xl{font-size:clamp(40px,6vw,72px)}

.lede{
  font-size:clamp(17px,1.5vw,20px);
  line-height:1.7;
  color:var(--text-soft);
  max-width:52ch;
}
.note{
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-mute);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:var(--font-body);
  font-size:14.5px;
  font-weight:700;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),
             border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--lime);color:var(--ink)}
.btn-accent:hover{background:var(--lime-soft)}
.btn-ghost{
  border-color:rgba(246,241,231,.34);
  color:var(--paper);
  background:transparent;
}
.btn-ghost:hover{background:rgba(246,241,231,.1);border-color:var(--lime)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--ink-panel)}
.btn-amber{background:var(--amber);color:var(--charcoal)}
.btn-amber:hover{background:#FFC061}
.btn-sm{
  min-height:38px;
  padding:0 15px;
  font-size:13px;
}

/* 卡片与标签 */
.card{
  border:1px solid var(--line-light);
  border-radius:var(--r-lg);
  background:var(--paper);
  padding:clamp(18px,2.4vw,28px);
}
.card--dark{
  background:var(--ink-panel);
  border-color:rgba(184,255,61,.18);
  color:var(--paper);
}
.card--plate{
  background:var(--card);
  border-color:rgba(21,23,21,.08);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:var(--card);
  color:var(--text-soft);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.5;
}

/* 图片容器：页面阶段直接放入 <img> */
.media{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(145deg,#103026 0%,#0A1F1A 100%);
}
.media > img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.66) contrast(1.05) brightness(.94);
}
.media--21x9{aspect-ratio:21/9}
.media--16x9{aspect-ratio:16/9}
.media--4x5{aspect-ratio:4/5}
.media--1x1{aspect-ratio:1/1}
.media--veil::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(10,31,26,0) 42%,rgba(10,31,26,.74) 100%);
}
.media-overlay{
  position:absolute;
  z-index:2;
  right:clamp(12px,2vw,22px);
  bottom:clamp(12px,2vw,22px);
  padding:10px 14px;
  border:1px solid rgba(184,255,61,.34);
  border-radius:var(--r-md);
  background:rgba(10,31,26,.62);
  backdrop-filter:blur(4px);
  color:var(--lime-soft);
  font-family:var(--font-data);
  font-size:12px;
  line-height:1.5;
}
.media-caption{
  margin-top:10px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--text-mute);
}

/* 正文长文 */
.prose{max-width:68ch}
.prose p + p{margin-top:1em}
.prose h2{margin-top:1.6em;margin-bottom:.5em}
.prose h3{margin-top:1.3em;margin-bottom:.4em}
.prose ul{list-style:disc;padding-left:1.2em}
.prose li + li{margin-top:.35em}

/* 章节索引基础样式 */
[data-toc] a{
  display:block;
  padding:8px 12px;
  border-radius:var(--r-sm);
  color:var(--text-mute);
  font-size:13.5px;
  text-decoration:none;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
[data-toc] a:hover{background:var(--card);color:var(--ink)}
[data-toc] a.is-active{
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
}

/* 进入视口显现 */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.07s}
[data-reveal][data-delay="2"]{transition-delay:.14s}
[data-reveal][data-delay="3"]{transition-delay:.21s}
[data-reveal][data-delay="4"]{transition-delay:.28s}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1100px){
  .footer-top{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .footer-brand{grid-column:1 / -1;max-width:none}
}

@media (max-width:1040px){
  .nav-toggle{display:grid}
  .status-chip{display:none}
  .primary-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    margin:0;
    padding:12px var(--gutter) 20px;
    max-height:calc(100vh - var(--header-h-sm));
    overflow-y:auto;
    background:var(--ink-panel);
    border-bottom:1px solid var(--line-dark);
    box-shadow:0 26px 46px rgba(6,18,15,.46);
  }
  .primary-nav[data-open],
  .site-header[data-open] .primary-nav{display:block}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }
  .nav-link{
    justify-content:flex-start;
    gap:12px;
    padding:13px 16px;
    border-radius:14px;
    font-size:16px;
  }
  .nav-label{flex:1 1 auto}
  .nav-index{font-size:11px}
  .header-meta{margin-inline-start:auto}
  .header-cta{min-height:40px;padding:0 14px;font-size:13px}
}

@media (max-width:880px){
  .brand-sub{display:none}
  .brand-name{font-size:18px}
  .span-2,.span-3,.span-4,.span-5,
  .span-6,.span-7,.span-8,.span-9{grid-column:span 6}
}

@media (max-width:620px){
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .span-2,.span-3,.span-4,.span-5,
  .span-6,.span-7,.span-8,.span-9{grid-column:span 12}
  .to-top{width:46px;height:46px;font-size:16px}
  .eyebrow{font-size:11px;letter-spacing:.1em}
}

@media (max-width:420px){
  .header-cta{padding:0 12px}
  .brand-mark{width:32px;height:32px;border-radius:11px;font-size:12px}
}

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