/* ============================================================
   乐动体育官网 — shared Site Kit
   /assets/site.css
   ============================================================ */

/* ---------- 01. tokens ---------- */
:root{
  --night:#0B1512;
  --locker:#123028;
  --paper:#F3EADA;
  --wheat:#E2D3B8;
  --mint:#3BF2D2;
  --teal:#0F8E7E;
  --orange:#FF5C2B;
  --cocoa:#221A13;
  --mist:#9DB6AC;
  --glass:rgba(255,255,255,.08);
  --brick:#D9482F;

  --hair:rgba(243,234,218,.14);
  --hair-strong:rgba(243,234,218,.28);
  --hair-mint:rgba(59,242,210,.32);

  --font-display:"Archivo Black","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --rail:88px;
  --band-h:72px;
  --gutter:clamp(20px,5vw,88px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 02. reset ---------- */
*,
*::before,
*::after{ box-sizing:border-box; }

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

body,
h1,h2,h3,h4,h5,h6,
p,ul,ol,li,figure,blockquote,dl,dd{
  margin:0;
  padding:0;
}

ul,ol{ list-style:none; }

img,svg,video{
  display:block;
  max-width:100%;
}

button{
  font:inherit;
  color:inherit;
}

a{ color:inherit; }

/* ---------- 03. base typography ---------- */
body{
  min-height:100vh;
  background-color:var(--night);
  background-image:
    radial-gradient(960px 560px at 92% -8%, rgba(59,242,210,.13), transparent 68%),
    radial-gradient(760px 520px at -12% 22%, rgba(15,142,126,.16), transparent 72%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.02em;
  color:var(--paper);
}

h1{ font-size:clamp(32px,6vw,76px); }
h2{ font-size:clamp(26px,3.6vw,48px); }
h3{ font-size:clamp(20px,2.2vw,28px); }
h4{ font-size:clamp(18px,1.6vw,22px); }

p{ max-width:38em; }

strong,b{ font-weight:700; }

::selection{
  background:var(--mint);
  color:#06231E;
}

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

main:focus{ outline:none; }

/* ---------- 04. skip link ---------- */
.ld-skip{
  position:absolute;
  top:-80px;
  left:12px;
  z-index:200;
  display:inline-block;
  padding:11px 20px;
  border-radius:2px;
  background:var(--mint);
  color:#06231E;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  text-decoration:none;
  transition:top .18s var(--ease);
}

.ld-skip:focus{
  top:12px;
}

/* ---------- 05. layout helpers ---------- */
.ld-container{
  width:100%;
  max-width:1320px;
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* ---------- 06. buttons ---------- */
.ld-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:2px;
  background:none;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.05em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .18s var(--ease),
             color .18s var(--ease),
             border-color .18s var(--ease);
}

.ld-btn--solid{
  background:var(--mint);
  border-color:var(--mint);
  color:#06231E;
}
.ld-btn--solid:hover{
  background:#72F8E2;
  border-color:#72F8E2;
}

.ld-btn--ghost{
  background:transparent;
  border-color:var(--hair-mint);
  color:var(--mint);
}
.ld-btn--ghost:hover{
  background:rgba(59,242,210,.10);
  border-color:var(--mint);
}

.ld-btn--paper{
  background:var(--paper);
  border-color:var(--paper);
  color:var(--cocoa);
}
.ld-btn--paper:hover{
  background:var(--wheat);
  border-color:var(--wheat);
}

/* ---------- 07. label + numeric ---------- */
.ld-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mint);
}

.ld-label::before{
  content:"";
  display:block;
  width:22px;
  height:1px;
  background:var(--mint);
}

.ld-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:-.03em;
}

/* ---------- 08. breadcrumbs ---------- */
.ld-crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:22px 0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--mist);
}

.ld-crumbs__link{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.ld-crumbs__link:hover{
  color:var(--mint);
  border-bottom-color:var(--hair-mint);
}

.ld-crumbs__sep{ color:rgba(157,182,172,.45); }

.ld-crumbs__now{ color:var(--paper); }

/* ---------- 09. media frame ---------- */
.ld-media{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--hair);
  border-radius:2px;
  aspect-ratio:16 / 10;
  background:
    radial-gradient(120% 100% at 82% -6%, rgba(59,242,210,.18), transparent 62%),
    linear-gradient(158deg, #10322A 0%, #0B1A16 72%);
}

.ld-media__img,
.ld-media > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.06) brightness(.92);
}

.ld-media__grid{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(to right, rgba(59,242,210,.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(59,242,210,.10) 1px, transparent 1px);
  background-size:48px 48px;
}

.ld-media__tag{
  position:absolute;
  top:12px;
  left:12px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  background:var(--glass);
  color:var(--paper);
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.5;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}

.ld-media--wide{ aspect-ratio:21 / 9; }
.ld-media--square{ aspect-ratio:1 / 1; }
.ld-media--tall{ aspect-ratio:3 / 4; }

/* ---------- 10. segmented control ---------- */
.ld-seg{
  display:flex;
  flex-wrap:wrap;
  gap:4px;
  border-bottom:1px solid var(--hair);
}

.ld-seg__btn{
  position:relative;
  padding:11px 15px;
  border:0;
  border-bottom:2px solid transparent;
  border-radius:2px 2px 0 0;
  background:transparent;
  color:var(--mist);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  cursor:pointer;
  transition:color .18s var(--ease),
             background-color .18s var(--ease),
             border-color .18s var(--ease);
}

.ld-seg__btn:hover{
  color:var(--paper);
  background:rgba(255,255,255,.04);
}

.ld-seg__btn[aria-selected="true"]{
  color:var(--mint);
  border-bottom-color:var(--mint);
}

.ld-seg__panel[hidden]{ display:none; }

/* ---------- 11. header ---------- */
.ld-header{
  position:relative;
  z-index:60;
  padding-bottom:0;
  border-bottom:1px solid var(--hair);
  background-color:var(--night);
  background-image:radial-gradient(130% 150% at 94% -40%, rgba(59,242,210,.14), transparent 62%);
  background-repeat:no-repeat;
}

/* 品牌轨道 */
.ld-rail{ display:none; }

.ld-rail__mark{
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  border:1px solid var(--hair-mint);
  border-radius:2px;
  color:var(--mint);
  font-family:var(--font-display);
  font-size:13px;
  letter-spacing:.06em;
}

.ld-rail__name{
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-size:15px;
  font-weight:700;
  line-height:1;
  letter-spacing:.42em;
  color:var(--paper);
}

.ld-rail__rule{
  flex:1 1 auto;
  width:1px;
  min-height:24px;
  background:linear-gradient(180deg, var(--hair), var(--hair-strong), var(--hair));
}

.ld-rail__dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(59,242,210,.14);
  animation:ld-pulse 2.6s var(--ease) infinite;
}

.ld-rail__ver{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.24em;
  color:var(--mist);
}

@keyframes ld-pulse{
  0%,100%{ box-shadow:0 0 0 3px rgba(59,242,210,.14); }
  50%{ box-shadow:0 0 0 8px rgba(59,242,210,.03); }
}

/* 信息带 */
.ld-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:var(--band-h);
  padding:0 var(--gutter);
}

.ld-band__brand{
  min-width:0;
  overflow:hidden;
  color:var(--paper);
  font-family:var(--font-display);
  font-size:clamp(12px,1.25vw,15px);
  font-weight:900;
  letter-spacing:.01em;
  line-height:1.25;
  text-decoration:none;
  text-overflow:ellipsis;
  white-space:nowrap;
  transition:color .18s var(--ease);
}
.ld-band__brand:hover{ color:var(--mint); }

.ld-band__tools{
  display:flex;
  flex:0 0 auto;
  align-items:center;
  gap:16px;
}

.ld-band__ver{
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  text-decoration:none;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.ld-band__ver:hover{
  color:var(--mint);
  border-bottom-color:var(--hair-mint);
}

/* 移动菜单按钮 */
.ld-burger{
  display:none;
  flex:0 0 auto;
  align-items:center;
  gap:9px;
  min-height:40px;
  padding:9px 12px;
  border:1px solid var(--hair);
  border-radius:2px;
  background:transparent;
  color:var(--paper);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  cursor:pointer;
  transition:color .18s var(--ease),
             border-color .18s var(--ease),
             background-color .18s var(--ease);
}
.ld-burger:hover{
  color:var(--mint);
  border-color:var(--hair-mint);
  background:rgba(59,242,210,.06);
}

.ld-burger__box{
  display:grid;
  gap:5px;
  width:18px;
}

.ld-burger__box > span{
  display:block;
  width:100%;
  height:2px;
  background:currentColor;
  transition:transform .2s var(--ease), opacity .2s var(--ease);
}

.ld-burger[aria-expanded="true"] .ld-burger__box > span:first-child{
  transform:translateY(3.5px) rotate(45deg);
}
.ld-burger[aria-expanded="true"] .ld-burger__box > span:last-child{
  transform:translateY(-3.5px) rotate(-45deg);
}

.ld-burger__text{
  font-size:12px;
  letter-spacing:.14em;
}

/* 导航：刻度线即内容区上边框 */
.ld-nav{
  padding:0 var(--gutter);
  border-top:1px solid var(--hair);
  background-image:repeating-linear-gradient(
    90deg,
    rgba(243,234,218,.20) 0 1px,
    transparent 1px 36px
  );
  background-repeat:repeat-x;
  background-position:0 0;
  background-size:100% 5px;
}

.ld-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  gap:clamp(14px,2vw,34px);
  padding:8px 0 0;
}

.ld-nav__item{ display:block; }

.ld-nav__link{
  position:relative;
  display:block;
  padding:8px 0 14px;
  color:var(--mist);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.2;
  text-decoration:none;
  transition:color .18s var(--ease);
}

.ld-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease), background-color .18s var(--ease);
}

.ld-nav__link:hover{ color:var(--paper); }
.ld-nav__link:hover::after{
  background:var(--hair-mint);
  transform:scaleX(1);
}
.ld-nav__link:focus-visible::after{
  background:var(--mint);
  transform:scaleX(1);
}

.ld-nav__link[aria-current="page"]{ color:var(--mint); }
.ld-nav__link[aria-current="page"]::after{
  background:var(--mint);
  transform:scaleX(1);
}

.ld-nav__foot{ display:none; }

/* 移动端底部操作条 */
.ld-handbar{ display:none; }

/* ---------- 12. footer ---------- */
.ld-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(72px,10vw,132px);
  border-top:1px solid var(--hair);
  background-color:var(--night);
  background-image:radial-gradient(120% 140% at 6% -10%, rgba(15,142,126,.18), transparent 62%);
  background-repeat:no-repeat;
}

.ld-footer__inner{
  padding:clamp(44px,6vw,84px) var(--gutter) clamp(22px,3vw,34px);
}

.ld-footer__top{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(32px,4vw,56px);
  padding-bottom:clamp(28px,4vw,52px);
  border-bottom:1px solid var(--hair);
}

.ld-footer__brand{ min-width:0; }

.ld-footer__mark{
  display:block;
  color:transparent;
  font-family:var(--font-display);
  font-size:clamp(56px,10vw,110px);
  line-height:.78;
  letter-spacing:-.05em;
  -webkit-text-stroke:1.5px var(--hair-mint);
  user-select:none;
}

.ld-footer__brandname{
  margin-top:18px;
  color:var(--paper);
  font-family:var(--font-display);
  font-size:22px;
  letter-spacing:.02em;
}

.ld-footer__note{
  margin-top:8px;
  max-width:32em;
  color:var(--mist);
  font-size:13px;
  line-height:1.8;
}

.ld-footer__cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(24px,3vw,44px);
}

.ld-footer__col{ min-width:0; }

.ld-footer__title{
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--hair);
  color:var(--mint);
  font-family:var(--font-body);
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  line-height:1.6;
  text-transform:uppercase;
}

.ld-footer__list{
  display:grid;
  gap:11px;
}

.ld-footer__link{
  color:var(--mist);
  font-size:14px;
  line-height:1.7;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.ld-footer__link:hover{
  color:var(--paper);
  border-bottom-color:var(--mint);
}

.ld-footer__meta{
  display:grid;
  gap:clamp(20px,3vw,28px);
  padding-top:clamp(24px,3vw,36px);
}

.ld-footer__contactbox{ max-width:56ch; }

.ld-footer__contact{
  max-width:56ch;
  color:var(--paper);
  font-size:13.5px;
  line-height:1.95;
}

.ld-footer__hours{
  margin-top:6px;
  max-width:56ch;
  color:var(--mist);
  font-size:12.5px;
  line-height:1.8;
}

.ld-footer__end{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 20px;
}

.ld-footer__legal{
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.05em;
  line-height:1.8;
}

.ld-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:42px;
  padding:10px 16px;
  border:1px solid var(--hair);
  border-radius:2px;
  background:transparent;
  color:var(--mist);
  font-family:var(--font-body);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  cursor:pointer;
  transition:color .18s var(--ease),
             border-color .18s var(--ease),
             background-color .18s var(--ease);
}
.ld-top:hover{
  color:var(--mint);
  border-color:var(--hair-mint);
  background:rgba(59,242,210,.06);
}

/* ---------- 13. reveal ---------- */
.ld-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .32s var(--ease), transform .32s var(--ease);
}

.ld-js [data-reveal="in"]{
  opacity:1;
  transform:none;
}

/* ---------- 14. tablet ---------- */
@media (min-width:720px){
  .ld-footer__cols{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}

/* ---------- 15. desktop ---------- */
@media (min-width:1024px){
  body{ padding-left:var(--rail); }

  .ld-rail{
    position:fixed;
    inset:0 auto 0 0;
    z-index:80;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:18px;
    width:var(--rail);
    padding:22px 0 24px;
    border-right:1px solid var(--hair);
    background:var(--locker);
  }

  .ld-skip{ left:calc(var(--rail) + 12px); }

  .ld-band{ min-height:76px; }

  .ld-footer__top{
    grid-template-columns:minmax(240px,.9fr) minmax(0,1.3fr);
    align-items:start;
  }

  .ld-footer__meta{
    grid-template-columns:minmax(0,1fr) auto;
    align-items:end;
  }

  .ld-footer__end{ justify-content:flex-end; }
}

/* ---------- 16. mobile ---------- */
@media (max-width:899px){
  :root{ --band-h:56px; }

  body{ padding-bottom:76px; }

  .ld-band{ padding-inline:16px; }

  .ld-band__tools{ display:none; }

  .ld-burger{ display:inline-flex; }

  .ld-nav{
    display:none;
    padding:0 16px 6px;
    border-top:1px solid var(--hair);
    background-color:var(--locker);
    background-image:none;
  }

  .ld-nav[data-open="true"]{ display:block; }

  .ld-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding-top:4px;
  }

  .ld-nav__item{ border-bottom:1px solid var(--hair); }
  .ld-nav__item:last-child{ border-bottom:0; }

  .ld-nav__link{
    padding:14px 2px;
    font-size:15px;
    letter-spacing:.08em;
  }

  .ld-nav__link::after{
    right:auto;
    width:28px;
  }

  .ld-nav__foot{
    display:flex;
    flex-direction:column;
    gap:10px;
    padding:18px 0 14px;
  }

  .ld-handbar{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:90;
    display:flex;
    gap:8px;
    padding:9px 14px calc(9px + env(safe-area-inset-bottom, 0px));
    border-top:1px solid var(--hair);
    background:rgba(11,21,18,.94);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
  }

  .ld-handbar__item{
    flex:1 1 0;
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    border:1px solid var(--hair-mint);
    border-radius:2px;
    background:rgba(59,242,210,.07);
    color:var(--mint);
    font-size:14px;
    font-weight:700;
    letter-spacing:.08em;
    text-decoration:none;
  }

  .ld-handbar__item--alt{
    border-color:var(--hair-strong);
    background:transparent;
    color:var(--paper);
  }

  .ld-footer{ margin-top:64px; }
}

@media (max-width:400px){
  .ld-burger__text{ display:none; }
}

/* ---------- 17. reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }

  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }

  .ld-rail__dot{ animation:none; }

  .ld-js [data-reveal]{
    opacity:1;
    transform:none;
  }
}