/* ==========================================================================
   乐竞体育 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 刊头 / 页脚 / 通用组件
   ========================================================================== */

:root{
  /* 色彩 */
  --night:#0B1A2B;
  --pitch:#0E3B2E;
  --cyan:#2FE3C8;
  --orange:#F0722C;
  --sand:#EDE4D3;
  --paper:#F7F5F1;
  --ink:#101214;
  --grey:#6B7280;
  --slate:#16323E;
  --lemon:#C8F04E;
  --hair:rgba(237,228,211,.16);
  --hair-strong:rgba(237,228,211,.32);
  --hair-ink:rgba(16,18,20,.12);

  /* 字体 */
  --font-display:"Archivo Narrow","Arial Narrow","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Roboto Mono","Courier New",monospace;
  --font-serif:"Songti SC","Noto Serif SC",Georgia,"Times New Roman",serif;

  /* 度量 */
  --shell:min(1280px, 100% - 48px);
  --radius:2px;
  --shadow-card:0 1px 2px rgba(11,26,43,.05), 0 18px 34px -26px rgba(11,26,43,.55);
  --shadow-lift:0 2px 4px rgba(11,26,43,.06), 0 26px 46px -30px rgba(11,26,43,.6);
  --stack:16px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--night);
  color:var(--sand);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-display);font-weight:800;line-height:1.08;letter-spacing:-.012em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
table{border-collapse:collapse;width:100%}
hr{border:0;margin:0}

/* ---------- 工具类 ---------- */
.shell{width:var(--shell);margin-inline:auto}
.full-bleed{width:100vw;margin-inline:calc(50% - 50vw)}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:fixed;left:16px;top:-72px;z-index:300;
  padding:12px 20px;background:var(--cyan);color:var(--ink);
  font-size:14px;font-weight:700;letter-spacing:.06em;text-decoration:none;
  border-radius:var(--radius);transition:top 200ms ease;
}
.skip-link:focus{top:14px}
.rule{height:1px;background:currentColor;opacity:.14}
.stack > * + *{margin-top:var(--stack)}
.data-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:-.02em}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:var(--radius);
}

/* ---------- 章节与文本 ---------- */
.section{padding:clamp(56px,8vw,104px) 0}
.section--tight{padding-top:clamp(28px,4vw,40px)}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 26px;padding-bottom:16px;margin-bottom:clamp(24px,3vw,34px);
  border-bottom:1px solid currentColor;
  border-bottom-color:color-mix(in srgb, currentColor 14%, transparent);
}
.section__title{font-size:clamp(28px,4.2vw,46px);line-height:1.04;max-width:24ch}
.section__kicker{margin:0 0 8px;font-size:13px;letter-spacing:.16em;opacity:.6}
.label{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;
  letter-spacing:.16em;color:var(--grey);text-transform:uppercase;
}
.label--onDark{color:var(--cyan)}
.title-serif{font-family:var(--font-serif);font-weight:600;letter-spacing:-.008em;line-height:1.3}
.note-rail{
  border-left:1px solid var(--hair-strong);padding-left:18px;
  font-size:14px;line-height:1.8;color:rgba(237,228,211,.68);max-width:34ch;
}
.note-rail--ink{border-left-color:var(--hair-ink);color:var(--grey)}
.prose{
  background:var(--sand);color:var(--ink);
  padding:clamp(26px,4.6vw,60px);border-radius:var(--radius);
}
.prose > *{max-width:68ch}
.prose p{font-size:17px;line-height:1.85;margin:0 0 1.2em}
.prose h2{font-size:clamp(23px,3vw,32px);margin:1.7em 0 .6em}
.prose h2:first-child{margin-top:0}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.2em;list-style:disc}
.prose a{color:var(--pitch);text-decoration-thickness:1px;text-underline-offset:3px}

/* ---------- 面包屑 ---------- */
.breadcrumbs{padding:22px 0;font-size:12px;letter-spacing:.1em;color:var(--grey)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.breadcrumbs li{display:flex;align-items:center;gap:10px}
.breadcrumbs li + li::before{content:"／";color:var(--cyan)}
.breadcrumbs a{text-decoration:none;color:inherit}
.breadcrumbs a:hover{color:var(--cyan)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 22px;border:1px solid transparent;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.06em;text-decoration:none;
  transition:background 200ms ease,color 200ms ease,border-color 200ms ease,transform 200ms ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--accent{background:var(--cyan);color:var(--ink)}
.btn--accent:hover{background:#25c9b1}
.btn--orange{background:var(--orange);color:var(--ink)}
.btn--ghost{border-color:currentColor;color:inherit}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- 筛选按钮 ---------- */
.chip-bar{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:9px 17px;border:1px solid var(--hair-strong);border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:inherit;
  transition:background 200ms ease,color 200ms ease,border-color 200ms ease;
}
.chip:hover{border-color:var(--cyan)}
.chip[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}
.chip-bar--light .chip{border-color:var(--hair-ink);color:var(--ink)}
.chip-bar--light .chip:hover{border-color:var(--pitch)}

/* ==========================================================================
   刊头
   ========================================================================== */
.masthead{
  position:relative;z-index:80;
  background:var(--night);color:var(--sand);
  border-bottom:1px solid rgba(47,227,200,.22);
}
.masthead::after{
  content:"";position:absolute;right:0;bottom:-1px;
  width:min(40vw,420px);height:3px;background:var(--cyan);opacity:.5;
}
.masthead__inner{padding-top:20px}
.masthead__row{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:18px;padding-bottom:16px;
}
.masthead__brand{justify-self:center;text-align:center}
.masthead__kicker{
  margin:0 0 9px;font-size:11px;font-weight:600;letter-spacing:.3em;color:var(--cyan);
}
.masthead__logo{
  display:inline-block;font-family:var(--font-display);font-weight:800;
  font-size:clamp(30px,5vw,46px);line-height:1;letter-spacing:.16em;
  color:var(--paper);text-decoration:none;transition:color 200ms ease;
}
.masthead__logo:hover{color:var(--cyan)}
.masthead__brandline{
  margin:9px 0 0;font-size:12px;letter-spacing:.22em;color:rgba(237,228,211,.6);
}
.masthead__wing{display:flex;align-items:center;min-width:0}
.masthead__wing--right{justify-self:end}
a.masthead__wing{
  width:max-content;font-size:13px;letter-spacing:.12em;
  color:rgba(237,228,211,.72);text-decoration:none;
  padding-bottom:3px;border-bottom:1px solid transparent;
  transition:color 200ms ease,border-color 200ms ease;
}
a.masthead__wing:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* 比分胶囊 */
.score-pill{
  display:inline-flex;align-items:center;gap:11px;
  padding:9px 15px;border:1px solid rgba(47,227,200,.35);border-radius:var(--radius);
  background:rgba(14,59,46,.55);color:var(--sand);text-decoration:none;
  transition:border-color 200ms ease,background 200ms ease;
}
.score-pill:hover{border-color:var(--cyan);background:rgba(14,59,46,.92)}
.score-pill__label{font-size:11px;letter-spacing:.16em;color:rgba(237,228,211,.62)}
.score-pill__label::before{
  content:"";display:inline-block;width:6px;height:6px;margin-right:7px;
  border-radius:50%;background:var(--lemon);vertical-align:middle;
  animation:pulse 2.4s ease-in-out infinite;
}
.score-pill__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--cyan);
}
.score-pill__time{font-size:11px;letter-spacing:.08em;color:rgba(237,228,211,.5)}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:.22}}

/* 刊头导航 */
.masthead__nav{border-top:1px solid var(--hair)}
.nav-list{display:flex;justify-content:center;gap:clamp(8px,2.4vw,34px)}
.nav-list__item{display:flex}
.nav-list__link{
  display:block;padding:15px 7px 13px;
  font-size:14px;font-weight:500;letter-spacing:.08em;
  color:rgba(237,228,211,.78);text-decoration:none;
  border-bottom:2px solid transparent;
  transition:background 200ms ease,color 200ms ease,border-color 200ms ease;
}
.nav-list__link:hover{background:var(--pitch);color:var(--paper)}
.nav-list__link[aria-current="page"]{color:var(--paper);border-bottom-color:var(--cyan)}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--hair-strong);border-radius:var(--radius);
  color:var(--sand);transition:border-color 200ms ease,background 200ms ease;
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__bars{
  position:relative;display:block;width:18px;height:2px;background:currentColor;
  box-shadow:0 -6px 0 currentColor, 0 6px 0 currentColor;
  transition:background 200ms ease,box-shadow 200ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent;box-shadow:none}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before,
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{
  content:"";position:absolute;left:0;top:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:rotate(-45deg)}

/* 滚动进度 */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:120;
  background:rgba(47,227,200,.12);pointer-events:none;
}
.scroll-progress > span{
  display:block;height:100%;width:100%;background:var(--cyan);
  transform:scaleX(0);transform-origin:0 50%;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-foot{
  background:var(--night);color:rgba(237,228,211,.8);
  border-top:1px solid rgba(47,227,200,.2);
  padding:clamp(48px,6vw,72px) 0 30px;margin-top:0;
}
.foot-lead{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px 30px;padding-bottom:24px;border-bottom:1px solid var(--hair);
}
.foot-brand{
  margin:0;font-family:var(--font-display);font-weight:800;
  font-size:clamp(24px,3.4vw,32px);letter-spacing:.18em;color:var(--paper);
}
.foot-closing{margin:0;font-family:var(--font-serif);font-size:16px;color:rgba(237,228,211,.68)}
.foot-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:34px 28px;padding:clamp(30px,4vw,44px) 0;
}
.foot-col__title{
  margin:0 0 14px;font-family:var(--font-body);font-size:12px;font-weight:600;
  letter-spacing:.2em;color:var(--cyan);
}
.foot-list{display:grid;gap:9px;font-size:15px;line-height:1.6}
.foot-list a{
  text-decoration:none;color:rgba(237,228,211,.84);
  border-bottom:1px solid transparent;transition:color 200ms ease,border-color 200ms ease;
}
.foot-list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.foot-meta{
  display:grid;gap:8px;padding-top:22px;border-top:1px solid var(--hair);
  font-size:14px;
}
.foot-contact{margin:0;letter-spacing:.02em;color:rgba(237,228,211,.86)}
.foot-note{margin:0;max-width:64ch;font-size:13px;line-height:1.75;color:rgba(237,228,211,.55)}
.foot-legal{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;padding-top:16px;
  border-top:1px dashed var(--hair);font-size:13px;color:rgba(237,228,211,.52);
}
.foot-legal a{color:rgba(237,228,211,.72);text-decoration:none;border-bottom:1px solid transparent}
.foot-legal a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ==========================================================================
   网格与内容组件
   ========================================================================== */
.grid{display:grid;gap:clamp(20px,3vw,36px)}
.grid--7-5{grid-template-columns:7fr 5fr}
.grid--8-4{grid-template-columns:8fr 4fr}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}

/* 横向主题带 */
.band{
  background:var(--pitch);color:var(--sand);
  padding:clamp(20px,3vw,30px) 0;border-block:1px solid rgba(47,227,200,.18);
}
.band--score{
  background:linear-gradient(100deg,var(--night) 0%,var(--pitch) 58%,#124a37 100%);
  border-block-color:rgba(47,227,200,.3);
}
.band__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:clamp(14px,2.5vw,34px);
}

/* 卡片 */
.card{
  position:relative;background:var(--paper);color:var(--ink);
  border:1px solid var(--hair-ink);border-radius:var(--radius);
  box-shadow:var(--shadow-card);padding:22px;
  transition:box-shadow 240ms ease,transform 240ms ease;
}
.card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
.card--team{display:flex;flex-direction:column;gap:14px;min-width:320px}
.card__head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.card__title{margin:0;font-size:22px;letter-spacing:0;padding-right:38px}
.card__meta{font-size:13px;letter-spacing:.08em;color:var(--grey)}
.fav-btn{
  position:absolute;top:14px;right:14px;width:34px;height:34px;
  display:grid;place-items:center;border:1px solid var(--hair-ink);border-radius:50%;
  background:var(--paper);color:var(--grey);
  transition:color 200ms ease,border-color 200ms ease,transform 200ms ease;
}
.fav-btn::before{content:"★";font-size:16px;line-height:1}
.fav-btn:hover{transform:scale(1.08);border-color:var(--orange);color:var(--orange)}
.fav-btn[aria-pressed="true"]{color:var(--orange);border-color:var(--orange)}

/* 图片容器基础规则 */
.media-frame{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:var(--slate);
}
.media-frame > img{width:100%;height:100%;object-fit:cover}
.media-frame--16-9{aspect-ratio:16/9}
.media-frame--4-3{aspect-ratio:4/3}
.media-frame--1-1{aspect-ratio:1/1}
.media-frame--21-9{aspect-ratio:21/9}
.media-frame--cut::after{
  content:"";position:absolute;right:0;bottom:0;width:40%;height:40%;
  background:var(--pitch);clip-path:polygon(100% 0,100% 100%,0 100%);opacity:.94;
}

/* 专题研究板 */
.board{
  display:grid;gap:18px;padding:clamp(20px,3vw,30px);
  background:var(--paper);color:var(--ink);
  border:1px solid var(--hair-ink);border-radius:var(--radius);box-shadow:var(--shadow-card);
}
.board__abstract{font-size:17px;line-height:1.8;margin:0}
.board__evidence{
  border-left:2px solid var(--cyan);padding-left:16px;
  font-size:14px;color:var(--grey);line-height:1.75;
}
.board__terms{display:flex;flex-wrap:wrap;gap:8px}
.term{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;
  padding:5px 10px;background:var(--slate);color:var(--paper);border-radius:var(--radius);
}
.board__reading{font-size:14px}
.board__reading a{color:var(--pitch);text-underline-offset:3px}

/* 栏目对比表 */
.table-scroll{overflow-x:auto;border:1px solid var(--hair-ink);border-radius:var(--radius)}
.matrix{min-width:640px;background:var(--paper);color:var(--ink);font-size:14px}
.matrix th,.matrix td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--hair-ink)}
.matrix thead th{
  background:var(--night);color:var(--sand);
  font-size:12px;font-weight:600;letter-spacing:.14em;white-space:nowrap;
}
.matrix tbody tr:nth-child(even){background:rgba(22,50,62,.06)}
.matrix tbody tr:hover{background:rgba(47,227,200,.14)}
.matrix td:first-child{font-weight:600}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;transform:translateY(14px);
  transition:opacity 380ms ease,transform 380ms cubic-bezier(.22,.61,.36,1);
}
.reveal--x{transform:translateX(30px)}
.reveal.is-in{opacity:1;transform:none}
.is-filtered-out{display:none!important}
.is-flash{animation:filterIn 200ms ease both}
@keyframes filterIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1100px){
  .grid--7-5,.grid--8-4{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1025px){
  .foot-col--a{margin-top:0}
  .foot-col--b{margin-top:24px}
  .foot-col--c{margin-top:8px}
  .foot-col--d{margin-top:32px}
}
@media (max-width:880px){
  .masthead__inner{padding-top:14px}
  .masthead__row{
    grid-template-columns:44px 1fr auto;gap:12px;padding-bottom:12px;
  }
  .masthead__wing{display:none}
  .masthead__brand{grid-column:2;grid-row:1}
  .masthead__kicker{display:none}
  .masthead__logo{font-size:clamp(22px,6.4vw,30px);letter-spacing:.12em}
  .masthead__brandline{margin-top:6px;font-size:11px;letter-spacing:.16em}
  .masthead__wing--right{display:flex;grid-column:3;grid-row:1;justify-self:end}
  .nav-toggle{display:inline-flex;grid-column:1;grid-row:1;justify-self:start}
  .score-pill{padding:7px 11px;gap:8px}
  .score-pill__time{display:none}
  .masthead__nav{
    max-height:0;overflow:hidden;
    transition:max-height 260ms ease;
  }
  .masthead__nav[data-open]{max-height:340px;overflow-y:auto}
  .nav-list{
    justify-content:flex-start;gap:6px;overflow-x:auto;
    padding:6px 0 4px;scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;
  }
  .nav-list__item{scroll-snap-align:start}
  .nav-list__link{white-space:nowrap;padding:12px 10px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
}
@media (max-width:640px){
  :root{--shell:calc(100% - 32px)}
  body{font-size:16px}
  .section{padding:48px 0}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .card--team{min-width:0}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .score-pill__label{display:none}
  .matrix{min-width:560px}
}

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