/* 乐动体育 · 共享外壳 /assets/site.css
   暗夜赛场：轨道导航 + 纵向叙事长卷 + 暖纸档案带 */

/* ---------- 1. 令牌 ---------- */
:root{
  --night:#0B0A1F;
  --night-2:#17143A;
  --haze:#2A2560;
  --cyan:#22E0D0;
  --orange:#FF7A1A;
  --red:#FF3B4E;
  --green:#37E07A;
  --paper:#F3E7D3;
  --ink:#12100D;
  --muted:#8E88C4;
  --text:#D9D5F5;
  --line:rgba(142,136,196,.26);
  --line-strong:rgba(34,224,208,.38);

  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:Georgia,"Songti SC","Noto Serif SC","SimSun",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --rail-w:272px;
  --topbar-h:64px;
  --edge:clamp(18px,4vw,64px);
  --radius:16px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow-soft:0 24px 60px -30px rgba(0,0,0,.85);
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth}
}
body{
  margin:0;
  min-height:100%;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--night);
  background-image:
    repeating-linear-gradient(180deg,rgba(150,150,255,.05) 0 1px,transparent 1px 5px),
    radial-gradient(760px 520px at 92% -8%,rgba(34,224,208,.13),transparent 72%),
    radial-gradient(620px 460px at 2% 12%,rgba(255,122,26,.10),transparent 70%),
    radial-gradient(900px 700px at 60% 120%,rgba(42,37,96,.62),transparent 75%);
}
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.01em;
  color:#FFFFFF;
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
img,svg,video,picture{display:block;max-width:100%}
button{font:inherit;color:inherit}
hr{border:0;border-top:1px solid var(--line)}
::selection{background:var(--orange);color:#1A0A00}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.visually-hidden{
  position:absolute!important;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;
}

/* ---------- 3. 排版工具 ---------- */
.t-display{font-family:var(--font-display);font-weight:800;letter-spacing:-.015em;line-height:1.06}
.t-display--xl{font-size:clamp(2.6rem,7vw,4.6rem)}
.t-display--lg{font-size:clamp(1.9rem,4.4vw,3rem)}
.t-tilt{display:inline-block;transform:skewX(-6deg);transform-origin:left bottom}
.t-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.t-label{font-family:var(--font-serif);font-size:clamp(1rem,1.5vw,1.3rem);line-height:1.5}
.t-caption{font-family:var(--font-body);font-size:.7rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted)}
.t-cyan{color:var(--cyan)}
.t-orange{color:var(--orange)}
.t-muted{color:var(--muted)}

/* ---------- 4. 布局 ---------- */
.container{width:min(1180px,100% - 2 * var(--edge));margin-inline:auto}
.section{padding-block:clamp(40px,7vw,96px)}
.section--tight{padding-block:clamp(26px,4vw,52px)}
.lede{font-size:clamp(1rem,1.4vw,1.15rem);color:#C3BDEB;max-width:64ch}
.section-head{display:grid;gap:.65rem;margin-bottom:clamp(22px,3vw,40px)}
.section-head__kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,24px)}
.grid-12 > *{grid-column:span 12;min-width:0}
@media (min-width:768px){
  .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}
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;padding-block:14px;font-size:.78rem;letter-spacing:.06em;color:var(--muted)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:.5rem}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:rgba(142,136,196,.6)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan);text-decoration:none}
.breadcrumb__current{color:var(--cyan)}

/* ---------- 5. 章节 ---------- */
.chapter{position:relative;padding-block:clamp(34px,6vw,80px)}
.chapter__head{display:grid;gap:.4rem;margin-bottom:clamp(18px,2.4vw,30px)}
.chapter__no{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(1.8rem,4vw,2.6rem);line-height:1;
  color:var(--haze);transition:color .6s ease;
}
.chapter__no.is-visible{color:var(--cyan)}
.chapter__title{font-size:clamp(1.5rem,3.2vw,2.3rem)}

/* ---------- 6. 按钮 / 标签 / 筛选 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:44px;padding:.7rem 1.15rem;border:1px solid transparent;
  border-radius:var(--radius-pill);font-weight:700;font-size:.94rem;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:hover{text-decoration:none}
.btn--accent{background:var(--orange);color:#1A0A00;box-shadow:0 12px 30px -16px rgba(255,122,26,.9)}
.btn--accent:hover,.btn--accent:focus-visible{background:#FF9040;transform:translateY(-2px)}
.btn--cyan{background:var(--cyan);color:#04120F}
.btn--cyan:hover,.btn--cyan:focus-visible{background:#5BF0E3;transform:translateY(-2px)}
.btn--ghost{background:rgba(42,37,96,.45);border-color:var(--line);color:#DCD7FF}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--cyan);color:var(--cyan);background:rgba(34,224,208,.08)}
.btn--block{width:100%}

.chip{
  display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .7rem;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:rgba(42,37,96,.5);color:#CFC9F0;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;
}
.chip--live{border-color:var(--line-strong);background:rgba(34,224,208,.1);color:var(--cyan)}
.tag{
  display:inline-flex;align-items:center;padding:.22rem .55rem;border-radius:8px;
  font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.04em;
}
.tag--up{background:rgba(255,59,78,.16);border:1px solid rgba(255,59,78,.45);color:var(--red)}
.tag--down{background:rgba(55,224,122,.14);border:1px solid rgba(55,224,122,.42);color:var(--green)}
.tag--price{background:rgba(255,122,26,.16);border:1px solid rgba(255,122,26,.45);color:var(--orange)}

.pill-bar{display:flex;gap:.5rem;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:.4rem;
  min-height:38px;padding:.4rem .9rem;border:1px solid var(--line);
  border-radius:var(--radius-pill);background:rgba(42,37,96,.4);
  color:#CFC9F0;font-size:.82rem;letter-spacing:.04em;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.pill:hover{border-color:var(--cyan);color:var(--cyan)}
.pill[aria-pressed="true"],.pill.is-active{
  background:rgba(34,224,208,.14);border-color:var(--line-strong);color:var(--cyan);font-weight:700;
}

/* ---------- 7. 展签说明牌 ---------- */
.note-card{
  border-left:3px solid var(--cyan);
  border-radius:var(--radius);
  background:rgba(42,37,96,.42);
  padding:1rem 1.15rem;
}
.note-card__title{font-family:var(--font-serif);font-size:1.05rem;color:#fff;margin-bottom:.3rem}

/* ---------- 8. 图像容器 ---------- */
.media{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,var(--night-2),var(--haze));
  box-shadow:var(--shadow-soft);
}
.media img,.media video,.media picture{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--3x4{aspect-ratio:3 / 4}
.media--1x1{aspect-ratio:1 / 1}
.media__scan{
  position:absolute;inset:0;pointer-events:none;mix-blend-mode:multiply;
  background:repeating-linear-gradient(180deg,rgba(11,10,31,.35) 0 1px,transparent 1px 4px);
}
.media__edge{
  position:absolute;inset:auto 0 0 0;height:58%;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(11,10,31,.88));
}
.media__code{
  position:absolute;left:12px;bottom:12px;
  padding:.25rem .6rem;border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  background:rgba(11,10,31,.72);color:var(--cyan);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
}
.media__caption{
  position:absolute;right:12px;top:12px;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;color:var(--muted);
}
.scan-field{position:relative;overflow:hidden}
.scan-field::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(34,224,208,.16),transparent);
  transform:translateX(-100%);
  animation:ld-scan 12s linear infinite;
}
@keyframes ld-scan{to{transform:translateX(100%)}}

/* ---------- 9. 显现 ---------- */
.js-enabled [data-reveal]{
  opacity:0;transform:translateY(20px);
  transition:opacity .55s ease,transform .55s ease;
}
.js-enabled [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 10. 头部外壳 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:.62rem 1.05rem;border-radius:var(--radius-pill);
  background:var(--cyan);color:#04120F;font-weight:700;
  transform:translateY(-220%);
  transition:transform .2s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0);text-decoration:none}

.read-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:150;
  background:rgba(42,37,96,.7);pointer-events:none;
}
@media (min-width:1024px){
  .read-progress{left:var(--rail-w)}
}
.read-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  box-shadow:0 0 14px rgba(34,224,208,.65);
}

.site-header{
  position:sticky;top:0;z-index:100;
  color:var(--text);
  background:linear-gradient(180deg,rgba(23,20,58,.98),rgba(11,10,31,.94));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.site-header__bar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  min-height:var(--topbar-h);padding:.5rem var(--edge);
}
.brand{display:flex;flex-direction:column;gap:.15rem;min-width:0;color:inherit}
.brand:hover{text-decoration:none}
.brand__mark{
  display:inline-block;transform:skewX(-6deg);transform-origin:left center;
  font-family:var(--font-display);font-weight:800;font-size:1.35rem;letter-spacing:.02em;
  color:#fff;text-shadow:0 0 18px rgba(34,224,208,.45);
}
.brand__sub{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;color:var(--muted)}

.nav-toggle{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.55rem .95rem;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(42,37,96,.6);
  color:var(--cyan);font-size:.82rem;font-weight:700;letter-spacing:.06em;cursor:pointer;
}
.nav-toggle__glyph{position:relative;display:inline-block;width:16px;height:10px}
.nav-toggle__glyph::before,.nav-toggle__glyph::after{
  content:"";position:absolute;left:0;right:0;height:2px;border-radius:2px;background:var(--cyan);
  transition:transform .24s ease,top .24s ease,bottom .24s ease;
}
.nav-toggle__glyph::before{top:0}
.nav-toggle__glyph::after{bottom:0}
.site-header[data-open] .nav-toggle__glyph::before{top:4px;transform:rotate(45deg)}
.site-header[data-open] .nav-toggle__glyph::after{bottom:4px;transform:rotate(-45deg)}

.rail-nav{
  position:absolute;left:0;right:0;top:100%;
  display:flex;flex-direction:column;gap:.6rem;
  max-height:0;padding:0 var(--edge);
  opacity:0;visibility:hidden;overflow:hidden;
  background:linear-gradient(180deg,rgba(23,20,58,.99),rgba(11,10,31,.99));
  border-bottom:1px solid var(--line);
  transition:max-height .32s ease,opacity .22s ease,visibility .32s,padding .32s ease;
}
.site-header[data-open] .rail-nav{
  max-height:min(80vh,660px);overflow-y:auto;
  opacity:1;visibility:visible;padding:1rem var(--edge) 1.6rem;
}
.schedule-strip{
  display:flex;gap:.5rem;overflow-x:auto;scrollbar-width:thin;
  padding-bottom:.55rem;margin-bottom:.35rem;
  border-bottom:1px dashed var(--line);
}
.schedule-strip__item{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:.45rem;
  padding:.32rem .7rem;border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  background:rgba(34,224,208,.06);
  font-family:var(--font-mono);font-size:.72rem;color:#B8F6F0;
}
.schedule-strip__no{color:var(--cyan);font-weight:700}
.schedule-strip__vs{color:#DCD7FF}

.rail-nav__label{font-family:var(--font-serif);font-size:.95rem;letter-spacing:.04em;color:var(--paper)}
.rail-nav__readout{
  min-height:1em;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cyan);
}
.rail-nav__readout:empty{display:none}
.rail-nav__list{display:flex;flex-direction:column;gap:.25rem}
.rail-nav__link{
  display:flex;align-items:center;gap:.7rem;
  padding:.6rem .85rem;border:1px solid transparent;border-radius:var(--radius-pill);
  color:#CFC9F0;font-size:.98rem;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.rail-nav__link:hover{background:rgba(42,37,96,.75);color:#fff;text-decoration:none}
.rail-nav__idx{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;color:var(--muted)}
.rail-nav__text{min-width:0}
.rail-nav__link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(34,224,208,.2),rgba(34,224,208,0));
  border-color:var(--line-strong);color:var(--cyan);font-weight:700;
}
.rail-nav__link[aria-current="page"] .rail-nav__idx{color:var(--cyan)}
.rail-nav__actions{
  display:flex;flex-direction:column;gap:.5rem;
  padding-top:.9rem;border-top:1px dashed var(--line);
}

@media (min-width:1024px){
  .site-header{
    position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
    display:flex;flex-direction:column;gap:1.4rem;
    padding:clamp(22px,3vh,38px) 1.4rem 1.6rem;
    border-bottom:0;border-right:1px solid var(--line);
    overflow-y:auto;
    background:linear-gradient(180deg,rgba(23,20,58,.99) 0%,rgba(11,10,31,.99) 62%,rgba(42,37,96,.6) 100%);
  }
  .site-header__bar{flex-direction:column;align-items:flex-start;gap:.35rem;min-height:0;padding:0}
  .nav-toggle{display:none}
  .rail-nav{
    position:static;flex:1 1 auto;max-height:none;padding:0;overflow:visible;
    opacity:1;visibility:visible;background:none;border-bottom:0;gap:.85rem;
  }
  .site-header[data-open] .rail-nav{max-height:none;padding:0;overflow:visible;opacity:1;visibility:visible}
  .schedule-strip{display:none}
  .rail-nav__actions{margin-top:auto;padding-top:1.1rem}
}

/* ---------- 11. 页脚外壳 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,9vw,120px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(23,20,58,.92),var(--night));
  color:var(--text);
}
.footer-archive{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem 1.6rem;
  padding:clamp(20px,3vw,34px) var(--edge);
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(18,16,13,.055) 0 1px,transparent 1px 10px);
  clip-path:polygon(0 14px,100% 0,100% 100%,0 100%);
}
.footer-archive__kicker{
  margin-right:auto;font-family:var(--font-serif);font-size:1.05rem;letter-spacing:.04em;color:var(--ink);
}
.footer-archive__line{font-size:.95rem;color:#3A352C;max-width:56ch}
.footer-archive__chip{
  padding:.2rem .65rem;border:1px dashed rgba(18,16,13,.4);border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:#3A352C;
}

.footer-body{
  display:grid;gap:clamp(26px,4vw,52px);
  padding:clamp(34px,5vw,68px) var(--edge) clamp(24px,3vw,40px);
}
@media (min-width:768px){
  .footer-body{grid-template-columns:minmax(180px,1fr) 2fr}
}
@media (min-width:1024px){
  .footer-body{grid-template-columns:1fr 1.9fr 1.15fr;align-items:start}
}
.footer-brand{display:flex;flex-direction:column;gap:.5rem}
.footer-brand__mark{
  display:inline-block;transform:skewX(-6deg);transform-origin:left center;
  font-family:var(--font-display);font-weight:800;font-size:1.6rem;color:#fff;
}
.footer-brand__note{font-size:.85rem;letter-spacing:.04em;color:var(--muted)}
.footer-brand__cta{align-self:flex-start;margin-top:.35rem;font-weight:700;font-size:.9rem;color:var(--orange)}
.footer-brand__cta::after{content:" →"}
.footer-brand__cta:hover{color:#FF9040;text-decoration:none}

.footer-nav{display:grid;gap:clamp(18px,3vw,32px);grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
.footer-col__title{
  margin-bottom:.6rem;font-family:var(--font-serif);font-size:.95rem;letter-spacing:.06em;color:var(--cyan);
}
.footer-col__list{display:flex;flex-direction:column;gap:.45rem}
.footer-link{color:#B9B3E0;font-size:.9rem}
.footer-link:hover{color:var(--cyan);text-decoration:none}

.footer-contact{display:flex;flex-direction:column;gap:.5rem}
.footer-contact__title{
  margin-bottom:.1rem;font-family:var(--font-serif);font-size:.95rem;letter-spacing:.06em;color:var(--paper);
}
.footer-contact__item{display:grid;grid-template-columns:auto 1fr;gap:.6rem;align-items:baseline;font-size:.85rem}
.footer-contact__key{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.footer-contact__val{color:#C3BDEB;word-break:break-word}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;
  padding:1rem var(--edge) 1.6rem;
  border-top:1px dashed var(--line);
  font-size:.78rem;color:var(--muted);
}
.footer-legal__text{font-family:var(--font-mono);letter-spacing:.04em}
[data-year]:empty::before{content:"—"}

/* ---------- 12. 降级动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .js-enabled [data-reveal]{opacity:1;transform:none}
  .scan-field::after{display:none}
  .btn:hover,.btn:focus-visible{transform:none}
}