/* ==========================================================
   乐思体育 · 共享样式表 /assets/site.css
   设计骨架：碳黑底 + 88px 竖直侧轨 + 58px 数据仪表条
   ========================================================== */

:root{
  /* —— 色彩分区 —— */
  --ink:#0B0F0D;          /* 碳黑底 · 主背景 */
  --ink-2:#07100C;        /* 更深一阶 */
  --deep:#0F3B2E;         /* 深墨绿 · 斜切分区 */
  --pitch:#14523E;        /* 球场墨绿深阶 · 卡片 */
  --lime:#B6F24A;         /* 亮青柠 · 主强调 */
  --flare:#F2E64B;        /* 荧光黄 · 巨型数字 */
  --signal:#FF7A2F;       /* 信号橙 · 倒计时 */
  --paper:#F4F7F2;        /* 冷白 · 正文 */
  --mist:#9AA79E;         /* 雾灰 · 次级 */
  --teal:#0E6B63;         /* 深青 · 分隔与图表 */
  --halo:rgba(182,242,74,.14);
  --hair:rgba(14,107,99,.5);

  /* —— 尺寸 —— */
  --rail:88px;
  --bar:58px;
  --r-xl:34px;
  --r-lg:24px;
  --r-md:16px;
  --pill:999px;
  --gutter:20px;

  /* —— 动效 —— */
  --ease:cubic-bezier(.22,.61,.36,1);

  /* —— 字体 —— */
  --f-display:'Roboto Condensed','IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --f-head:'Noto Sans SC','Source Han Sans SC',system-ui,'Segoe UI',sans-serif;
  --f-serif:'Noto Serif SC','Source Han Serif SC',Georgia,serif;
  --f-body:Inter,'Noto Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ————————————————— 1. Reset ————————————————— */
*,*::before,*::after{box-sizing:border-box}

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

body{
  margin:0;
  padding-top:var(--bar);
  min-height:100vh;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,video,svg{display:block;max-width:100%}
img,video{height:auto}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,address{margin:0}
address{font-style:normal}
time{font-variant-numeric:tabular-nums}
hr{border:0}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

:target{scroll-margin-top:calc(var(--bar) + 28px)}

/* ————————————————— 2. 中文排版 ————————————————— */
h1,h2,h3,h4,h5{
  font-family:var(--f-head);
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1.08;
  text-wrap:balance;
}

h1{font-size:clamp(32px,5.2vw,64px)}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(20px,2.4vw,28px)}
h4{font-size:18px;letter-spacing:-.01em}

p{text-wrap:pretty}

.prose{max-width:66ch}
.prose p + p{margin-top:1em}
.prose a{color:var(--lime);border-bottom:1px solid rgba(182,242,74,.35)}
.prose a:hover{border-bottom-color:var(--lime)}

.eyebrow{
  display:inline-block;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--lime);
  text-transform:uppercase;
}

.lede{
  font-size:clamp(17px,1.6vw,20px);
  line-height:1.7;
  color:var(--mist);
  max-width:46ch;
}

.quote{
  font-family:var(--f-serif);
  font-weight:600;
  font-size:clamp(18px,2vw,24px);
  line-height:1.6;
  color:var(--paper);
}

.hair{height:1px;background:var(--hair);margin:0}

/* ————————————————— 3. 容器与网格 ————————————————— */
.wrap{width:min(1240px,100% - 2 * var(--gutter));margin-inline:auto}
.wrap--wide{width:min(1440px,100% - 2 * var(--gutter));margin-inline:auto}

.grid{display:grid;gap:24px}
@media (min-width:768px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}

/* ————————————————— 4. 通用组件 ————————————————— */
.btn{
  display:inline-block;
  padding:13px 24px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-weight:800;
  font-size:15px;
  letter-spacing:.04em;
  text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),
             background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--lime{background:var(--lime);color:#07100C}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 0 0 6px rgba(182,242,74,.16)}
.btn--line{border-color:var(--hair);color:var(--paper)}
.btn--line:hover{border-color:var(--lime);color:var(--lime)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  background:var(--halo);color:var(--lime);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  white-space:nowrap;
}
.tag--signal{background:rgba(255,122,47,.16);color:var(--signal)}
.tag--plain{background:rgba(154,167,158,.12);color:var(--mist)}

.card{
  background:linear-gradient(150deg,rgba(20,82,62,.5),rgba(11,15,13,.92));
  border:1px solid var(--hair);
  border-radius:var(--r-lg);
  padding:24px;
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{
  border-color:rgba(182,242,74,.5);
  transform:translateY(-3px);
  box-shadow:0 20px 44px -26px rgba(182,242,74,.35);
}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;
  color:var(--mist);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:'/';color:var(--teal)}
.crumbs a{color:var(--mist);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--lime)}
.crumbs [aria-current="page"]{color:var(--paper)}

.seg{
  display:inline-flex;flex-wrap:wrap;gap:4px;
  padding:5px;border-radius:var(--pill);
  background:rgba(20,82,62,.45);
  border:1px solid var(--hair);
}
.seg__btn{
  padding:9px 18px;border-radius:var(--pill);
  font-size:14px;font-weight:700;color:var(--mist);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.seg__btn:hover{color:var(--paper)}
.seg__btn[aria-selected="true"]{background:var(--lime);color:#07100C}

.fold{border-bottom:1px solid var(--hair)}
.fold summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-weight:800;font-size:17px;
  cursor:pointer;list-style:none;
}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{
  content:'+';font-family:var(--f-mono);font-size:18px;color:var(--lime);flex:none;
}
.fold[open] summary::after{content:'−'}
.fold__body{padding:0 0 22px;color:var(--mist);max-width:70ch}

.score{
  font-family:var(--f-display);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:.88;
  color:var(--flare);
}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__num{
  font-family:var(--f-display);font-weight:700;
  font-size:clamp(30px,4vw,52px);line-height:1;
  color:var(--flare);letter-spacing:-.02em;
}
.stat__key{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--mist);
}

/* 图片容器基础规则（页面阶段放 <img>） */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  aspect-ratio:16 / 10;
  isolation:isolate;
  background-color:var(--ink-2);
  background-image:repeating-linear-gradient(
    96deg,
    rgba(20,82,62,.85) 0 28px,
    rgba(15,59,46,.85) 28px 56px
  );
}
.media::before{
  content:'';
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 15% 8%,rgba(182,242,74,.22),transparent 38%),
    radial-gradient(circle at 88% 84%,rgba(14,107,99,.5),transparent 46%),
    radial-gradient(circle at 62% 28%,rgba(242,230,75,.1),transparent 30%);
  mix-blend-mode:screen;
}
.media > img,
.media > video{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.media--tall{aspect-ratio:3 / 4}
.media--wide{aspect-ratio:21 / 9}
.media--square{aspect-ratio:1 / 1}
.media__cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px 18px;
  background:linear-gradient(0deg,rgba(7,16,12,.94),transparent);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mist);
}

/* ————————————————— 5. 显现动效 ————————————————— */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  clip-path:inset(0 0 96% 0);
  transition:opacity .32s var(--ease),transform .32s var(--ease),clip-path .32s var(--ease);
}
html.js [data-reveal].is-in{
  opacity:1;
  transform:none;
  clip-path:inset(0 0 0 0);
}

/* ————————————————— 6. 跳转链接 ————————————————— */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:12px 20px;border-radius:var(--pill);
  background:var(--lime);color:#07100C;
  font-weight:800;font-size:14px;
  transform:translateY(-200%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ————————————————— 7. 头部外壳 ————————————————— */
.site-head{position:fixed;inset:0;z-index:80;pointer-events:none}
.site-head > *{pointer-events:auto}

/* 顶部数据仪表条 */
.head-bar{
  position:absolute;
  top:0;left:0;right:0;
  height:var(--bar);
  display:flex;align-items:center;gap:14px;
  padding:0 16px;
  background:rgba(9,14,11,.94);
  border-bottom:1px solid var(--hair);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}

.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 14px;border-radius:var(--pill);
  border:1px solid var(--hair);
  font-size:13px;font-weight:800;letter-spacing:.08em;
  flex:none;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px;width:14px;flex:none}
.nav-toggle__bars i{
  display:block;height:2px;border-radius:2px;background:var(--lime);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle__bars i:nth-child(2){width:70%}
.site-head[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-head[data-open] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-head[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.head-brand{display:flex;align-items:center;gap:8px;margin-right:auto;flex:none}
.head-brand__mark{
  display:grid;place-items:center;
  width:28px;height:28px;border-radius:9px;
  background:var(--lime);color:#07100C;
  font-weight:900;font-size:15px;line-height:1;flex:none;
}
.head-brand__name{font-weight:900;font-size:14px;letter-spacing:.04em}

.head-stat{
  display:flex;align-items:baseline;gap:8px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;
  color:var(--mist);white-space:nowrap;
}
.head-stat__val{color:var(--paper);font-weight:700}
.head-stat--hot .head-stat__val{color:var(--signal)}
.head-stat--refresh{display:none}

/* 侧轨 / 抽屉导航 */
.nav-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:min(86vw,320px);
  z-index:90;
  display:flex;flex-direction:column;gap:20px;
  padding:24px 20px 28px;
  background:linear-gradient(165deg,#0C1512 0%,var(--deep) 55%,#08201A 100%);
  border-right:1px solid var(--hair);
  box-shadow:0 0 60px rgba(0,0,0,.6);
  overflow-y:auto;
  overscroll-behavior:contain;
  transform:translateX(-102%);
  transition:transform .34s var(--ease);
}
.site-head[data-open] .nav-shell{transform:translateX(0)}

.nav-shell__brand{display:flex;align-items:center;gap:10px}
.nav-shell__mark{
  display:grid;place-items:center;
  width:36px;height:36px;border-radius:12px;
  background:var(--lime);color:#07100C;
  font-weight:900;font-size:18px;line-height:1;flex:none;
}
.nav-shell__name{font-weight:900;font-size:16px;letter-spacing:.04em}

.nav-shell__eyebrow{
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.14em;
  color:var(--lime);
  padding-bottom:12px;
  border-bottom:1px solid var(--hair);
}

.rail-nav{width:100%}
.rail-nav__list{display:flex;flex-direction:column;gap:4px;width:100%}
.rail-nav__link{
  display:flex;align-items:center;gap:12px;
  padding:10px 14px;border-radius:var(--pill);
  color:var(--mist);
  font-size:15px;font-weight:700;letter-spacing:.06em;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.rail-nav__link:hover{color:var(--paper);background:rgba(182,242,74,.08)}
.rail-nav__link[aria-current="page"]{color:var(--lime);background:var(--halo)}
.rail-nav__idx{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  color:var(--teal);flex:none;
}
.rail-nav__link[aria-current="page"] .rail-nav__idx{color:var(--lime)}
.rail-nav__label{min-width:0}

.nav-shell__meta{display:flex;flex-direction:column;gap:8px}
.nav-meta{
  display:flex;align-items:center;gap:10px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;
  color:var(--mist);
}
.nav-meta__key{color:var(--teal);flex:none}
.nav-meta__val{color:var(--paper)}
.nav-meta--hot .nav-meta__val{color:var(--signal)}

.nav-shell__cta{margin-top:auto;align-self:stretch}

.nav-scrim{
  position:fixed;inset:0;z-index:85;
  background:rgba(4,8,6,.72);
  backdrop-filter:blur(2px);
  -webkit-backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.site-head[data-open] .nav-scrim{opacity:1;visibility:visible}

/* 平板 */
@media (min-width:768px){
  .head-bar{padding:0 22px;gap:20px}
}

/* 桌面：顶部条右移，导航变为 88px 竖直侧轨 */
@media (min-width:1024px){
  body{padding-left:var(--rail)}

  .head-bar{left:var(--rail);padding:0 30px;gap:24px}
  .nav-toggle{display:none}
  .head-brand{display:none}
  .head-stat--refresh{display:flex;margin-right:auto}

  .nav-shell{
    position:absolute;
    width:var(--rail);
    transform:none;
    box-shadow:none;
    align-items:center;
    gap:16px;
    padding:16px 0 20px;
    text-align:center;
    scrollbar-width:none;
  }
  .nav-shell::-webkit-scrollbar{display:none}
  .site-head[data-open] .nav-shell{transform:none}

  .head-bar__lead{display:none}

  .nav-shell__brand{flex-direction:column;gap:10px}
  .nav-shell__name{
    writing-mode:vertical-rl;text-orientation:upright;
    font-size:14px;letter-spacing:.22em;font-weight:900;
  }

  .nav-shell__eyebrow{
    writing-mode:vertical-rl;text-orientation:upright;
    font-size:10px;letter-spacing:.2em;
    padding:0;border:0;color:var(--teal);
  }

  .rail-nav__list{gap:2px}
  .rail-nav__link{
    flex-direction:column;justify-content:center;align-items:center;
    width:100%;padding:8px 0;border-radius:22px;
    font-size:12px;letter-spacing:.12em;
  }
  .rail-nav__idx{display:none}
  .rail-nav__label{
    writing-mode:vertical-rl;text-orientation:upright;
    line-height:1;
  }

  .nav-shell__meta{display:none}

  .nav-shell__cta{
    align-self:center;
    writing-mode:vertical-rl;text-orientation:upright;
    padding:16px 10px;font-size:12px;letter-spacing:.14em;
  }

  .nav-scrim{display:none}
}

/* ————————————————— 8. 页脚 ————————————————— */
.site-foot{
  position:relative;
  margin-top:96px;
  padding:60px 0 30px;
  background:linear-gradient(180deg,var(--ink) 0%,#0C2A20 46%,var(--ink-2) 100%);
  border-top:1px solid var(--hair);
  overflow:hidden;
}
.site-foot::before{
  content:'';
  position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--lime) 0 120px,rgba(14,107,99,.6) 120px 100%);
}
.site-foot::after{
  content:'';
  position:absolute;right:-60px;top:-80px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,242,74,.1),transparent 66%);
  pointer-events:none;
}

.foot-grid{
  position:relative;z-index:1;
  width:min(1240px,100% - 2 * var(--gutter));
  margin-inline:auto;
  display:grid;gap:36px;
}
@media (min-width:640px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
}

.foot-brand__name{
  font-family:var(--f-head);
  font-weight:900;
  font-size:clamp(26px,3.4vw,36px);
  letter-spacing:-.03em;
  line-height:1.1;
}
.foot-brand__name em{font-style:normal;color:var(--lime)}
.foot-brand__line{
  margin-top:10px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;
  color:var(--teal);
}
.foot-brand__tag{
  margin-top:16px;
  font-family:var(--f-serif);font-weight:600;font-size:17px;
  color:var(--paper);max-width:20ch;line-height:1.6;
}

.foot-col__title{
  font-family:var(--f-serif);
  font-size:17px;font-weight:600;letter-spacing:.02em;
  color:var(--lime);
  padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid var(--hair);
}
.foot-col__list{display:flex;flex-direction:column;gap:10px}
.foot-col__list a{
  display:inline-block;
  font-size:15px;color:var(--mist);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.foot-col__list a:hover{color:var(--lime);padding-left:6px}

.foot-contact{
  position:relative;z-index:1;
  width:min(1240px,100% - 2 * var(--gutter));
  margin:44px auto 0;
  padding-top:30px;
  border-top:1px solid var(--hair);
  display:grid;gap:16px;
}
@media (min-width:768px){
  .foot-contact{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .foot-contact{grid-template-columns:repeat(4,minmax(0,1fr))}
}

.foot-contact__row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;
}
.foot-contact__key{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;
  color:var(--teal);min-width:62px;flex:none;
}
.foot-contact__val{color:var(--paper);font-family:var(--f-mono);font-size:13px;letter-spacing:.02em}
.foot-contact__note{
  font-size:13px;line-height:1.75;color:var(--mist);
  grid-column:1 / -1;
}

.copy-btn{
  flex:none;
  padding:5px 12px;border-radius:var(--pill);
  border:1px solid var(--hair);
  color:var(--mist);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.copy-btn:hover{border-color:var(--lime);color:var(--lime)}
.copy-btn[data-copied]{
  border-color:var(--lime);
  background:var(--lime);
  color:#07100C;
}

.foot-base{
  position:relative;z-index:1;
  width:min(1240px,100% - 2 * var(--gutter));
  margin:36px auto 0;
  padding-top:22px;
  border-top:1px solid var(--hair);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  font-size:13px;color:var(--mist);
}
.foot-base__icp{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em}
.foot-base__copy{font-size:13px}
.foot-base__links{display:flex;flex-wrap:wrap;gap:18px}
@media (min-width:768px){
  .foot-base__links{margin-left:auto}
}
.foot-base__links a{color:var(--mist);transition:color .2s var(--ease)}
.foot-base__links a:hover{color:var(--lime)}

/* ————————————————— 9. 减弱动效 ————————————————— */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{
    opacity:1;
    transform:none;
    clip-path:none;
  }
}