*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --color-primary:#0A1F44;
  --color-accent:#FF6B35;
  --color-gold:#C9A227;
  --color-bg-light:#F0F4F8;
  --color-bg-dark:#1C2B3A;
  --color-text-dark:#111827;
  --color-text-light:#E5E9F0;
  --color-border:#2A3A5E;
  --color-success:#2ECC71;
  --color-warning:#FFB74D;
  --font-headline:Impact,'Arial Black',sans-serif;
  --font-body:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  --font-data:'Roboto Mono',monospace;
  --container-w:1280px;
  --radius-lg:20px;
  --radius-md:12px;
  --transition:.25s ease;
  --header-main-h:72px;
  --header-sub-h:44px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  color:var(--color-text-dark);
  background:var(--color-bg-light);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
img{max-width:100%;display:block}
a{color:var(--color-accent);text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--color-accent);outline-offset:2px;border-radius:2px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

.container{width:100%;max-width:var(--container-w);margin-inline:auto;padding-inline:1.5rem}
.main-content{flex:1;min-height:60vh;padding-block:2rem 4rem}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65em 1.4em;border:2px solid transparent;border-radius:999px;font-weight:600;font-size:.95rem;line-height:1.2;text-decoration:none;transition:all var(--transition)}
.btn--accent{background:var(--color-accent);color:#fff}
.btn--accent:hover{background:#ff8255;transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.35);color:var(--color-text-light)}
.btn--ghost:hover{border-color:var(--color-accent);color:var(--color-accent)}

.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.875rem;padding-block:1rem;color:rgba(255,255,255,.6)}
.breadcrumbs a{color:var(--color-accent)}
.breadcrumbs__sep{opacity:.5}

.grid{display:grid;gap:1.5rem}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media (max-width:991px){.grid--4{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}

.card{background:var(--color-bg-light);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:0 8px 24px rgba(10,31,68,.08);transition:transform var(--transition),box-shadow var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(10,31,68,.14)}
.card__title{font-size:1.25rem;font-weight:700;color:var(--color-primary);margin-bottom:.5rem}
.card__meta{font-family:var(--font-data);font-size:.825rem;color:var(--color-accent);margin-bottom:.75rem}

.section-title{font-family:var(--font-headline);font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.1;color:var(--color-primary);margin-bottom:1rem}
.section-title--light{color:var(--color-text-light)}
.section-desc{font-size:1.05rem;max-width:56ch;margin-bottom:1.5rem}

.visual{position:relative;background:var(--color-bg-dark);border-radius:var(--radius-md);overflow:hidden;isolation:isolate}
.visual::before{content:'';position:absolute;inset:0;z-index:0;background:linear-gradient(135deg,transparent 0 65%,rgba(255,107,53,.12) 65% 100%),repeating-linear-gradient(45deg,transparent 0 12px,rgba(255,255,255,.03) 12px 14px);pointer-events:none}
.visual img,.visual video,.visual canvas{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.visual--16-9{aspect-ratio:16/9}
.visual--4-3{aspect-ratio:4/3}
.visual--1-1{aspect-ratio:1/1}
.visual__caption{position:absolute;left:.75rem;bottom:.75rem;z-index:2;font-size:.8rem;font-family:var(--font-data);color:var(--color-text-light);background:rgba(10,31,68,.75);backdrop-filter:blur(4px);padding:.25em .75em;border-radius:999px;letter-spacing:.04em}

.skip-link{position:absolute;left:0;top:-100%;z-index:1000;padding:.75rem 1.4rem;background:var(--color-accent);color:#fff;font-weight:700;border-radius:0 0 10px 0;transition:top .2s ease;text-decoration:none}
.skip-link:focus{top:0}

.site-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:600;pointer-events:none;background:rgba(255,255,255,.06)}
.site-progress__bar{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--color-accent),var(--color-gold));transition:width .12s linear;box-shadow:0 0 12px rgba(255,107,53,.6)}

.site-header{position:sticky;top:0;z-index:500;background:var(--color-primary);color:var(--color-text-light);box-shadow:0 4px 20px rgba(0,0,0,.25);transition:box-shadow .3s ease}
.site-header[data-scrolled]{box-shadow:0 8px 30px rgba(0,0,0,.4)}
.site-header__main{position:relative;display:flex;align-items:center;max-width:var(--container-w);margin-inline:auto;padding-inline:1.5rem;min-height:var(--header-main-h);gap:1rem}

.site-header__brand{flex-shrink:0;margin-right:auto}
.site-header__brand-link{display:flex;align-items:center;gap:.75rem}
.site-header__badge{display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:40px;padding-inline:.55em;background:var(--color-accent);color:var(--color-primary);font-family:var(--font-data);font-weight:800;font-size:1.12rem;letter-spacing:.06em;border-radius:12px 12px 12px 4px;box-shadow:0 4px 16px rgba(255,107,53,.35);position:relative}
.site-header__badge::after{content:'';position:absolute;top:4px;right:4px;width:6px;height:6px;background:var(--color-gold);border-radius:50%;box-shadow:0 0 6px rgba(201,162,39,.8)}
.site-header__meta{display:flex;flex-direction:column;line-height:1.2}
.site-header__name{font-size:1.1rem;font-weight:800;letter-spacing:.02em;color:#fff}
.site-header__tagline{font-size:.7rem;font-family:var(--font-data);color:rgba(255,255,255,.55);letter-spacing:.02em;margin-top:2px}

.site-header__panel{display:flex;align-items:center;gap:1.1rem}
.site-nav__list{display:flex;align-items:center;gap:.1rem}
.site-nav__link{display:inline-flex;align-items:baseline;gap:.35rem;padding:.5em .7em;font-size:.92rem;font-weight:500;color:rgba(255,255,255,.82);border-radius:8px;position:relative;transition:background .2s ease,color .2s ease}
.site-nav__link:hover{color:var(--color-accent);background:rgba(255,107,53,.1)}
.site-nav__link[aria-current="page"]{color:var(--color-accent)}
.site-nav__link[aria-current="page"]::after{content:'';position:absolute;left:.7em;right:.7em;bottom:.1em;height:2px;background:var(--color-accent);border-radius:2px;box-shadow:0 0 8px rgba(255,107,53,.5)}
.site-nav__idx{font-family:var(--font-data);font-size:.62rem;opacity:.55;transform:translateY(1px)}

.site-header__sub{display:flex;align-items:center;gap:.8rem;padding-left:1.1rem;border-left:1px solid var(--color-border);flex-shrink:0}
.site-header__sync{display:flex;align-items:center;gap:.5rem;font-family:var(--font-data);font-size:.72rem;color:rgba(255,255,255,.62);letter-spacing:.05em;text-transform:uppercase}
.site-header__sync-dot{width:7px;height:7px;background:var(--color-success);border-radius:50%;box-shadow:0 0 8px rgba(46,204,113,.7);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.league-switcher{display:flex;align-items:center;gap:.55rem}
.league-switcher__label{font-family:var(--font-data);font-size:.68rem;letter-spacing:.1em;color:rgba(255,255,255,.45)}
.league-switcher__group{display:inline-flex;gap:2px;padding:3px;background:rgba(255,255,255,.06);border-radius:999px}
.league-switcher__btn{padding:.3em .72em;border:1px solid transparent;border-radius:999px;background:transparent;color:rgba(255,255,255,.72);font-size:.8rem;font-weight:600;transition:all .22s ease}
.league-switcher__btn:hover{color:#fff;background:rgba(255,255,255,.08)}
.league-switcher__btn.is-active{background:var(--color-accent);color:#fff;box-shadow:0 4px 14px rgba(255,107,53,.4)}
.league-switcher__btn.is-active:hover{background:var(--color-accent)}

.site-header__quick{display:flex;align-items:center;gap:.5rem}
.site-header__quick-link{padding:.38em 1em;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:rgba(255,255,255,.85);font-size:.8rem;font-weight:600;text-decoration:none;transition:all .22s ease;white-space:nowrap}
.site-header__quick-link:hover{border-color:var(--color-accent);color:var(--color-accent);background:rgba(255,107,53,.07)}

.nav-toggle{display:none;align-items:center;gap:.5rem;background:rgba(255,255,255,.07);border:1px solid var(--color-border);border-radius:12px;padding:.55em .85em;color:var(--color-text-light);transition:background .2s ease;margin-left:auto}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;background:var(--color-accent);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle__label{font-size:.8rem;font-weight:600}

.site-footer{background:var(--color-bg-dark);color:var(--color-text-light);position:relative;margin-top:auto}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-accent),var(--color-gold) 45%,transparent 90%)}
.site-footer__inner{max-width:var(--container-w);margin-inline:auto;padding:3rem 1.5rem 2rem;display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:2rem}
.site-footer__brand{display:flex;flex-direction:column;gap:.4rem}
.site-footer__brand-head{display:flex;align-items:center;gap:.7rem}
.site-footer__badge{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:34px;padding-inline:.45em;background:var(--color-accent);color:var(--color-primary);font-family:var(--font-data);font-weight:800;font-size:1rem;border-radius:10px 10px 10px 3px;box-shadow:0 3px 12px rgba(255,107,53,.35)}
.site-footer__brand-name{font-size:1.15rem;font-weight:800;color:#fff}
.site-footer__tagline{font-size:.8rem;font-family:var(--font-data);color:rgba(255,255,255,.5);margin-bottom:.35rem}
.site-footer__snapshot{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;color:var(--color-gold);border:1px solid rgba(201,162,39,.35);border-radius:999px;padding:.25em .85em;align-self:flex-start;transition:all .22s ease}
.site-footer__snapshot:hover{background:rgba(201,162,39,.12);border-color:var(--color-gold)}
.site-footer__heading{font-size:.92rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-light);margin-bottom:1rem;padding-bottom:.45rem;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer__contact-list li{font-size:.87rem;color:rgba(255,255,255,.68);padding:.3rem 0}
.site-footer__legal-list li{padding:.3rem 0}
.site-footer__legal-list a{color:rgba(255,255,255,.78);font-size:.88rem;transition:color .2s ease,padding-left .2s ease;position:relative;padding-left:.25rem}
.site-footer__legal-list a:hover{color:var(--color-accent);padding-left:.65rem}
.site-footer__trust{display:flex;align-items:center;background:rgba(255,255,255,.04);border-left:3px solid var(--color-gold);padding:1rem 1.25rem;border-radius:0 var(--radius-md) var(--radius-md) 0}
.site-footer__trust p{font-size:.8rem;line-height:1.7;color:rgba(255,255,255,.6)}
.site-footer__bottom{max-width:var(--container-w);margin-inline:auto;padding:1.2rem 1.5rem;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.78rem;color:rgba(255,255,255,.45)}

.to-top{position:fixed;right:1.5rem;bottom:1.5rem;width:48px;height:48px;border-radius:50%;border:0;background:var(--color-accent);color:#fff;font-size:1.3rem;font-weight:700;box-shadow:0 8px 24px rgba(255,107,53,.4);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s ease;z-index:300;display:flex;align-items:center;justify-content:center}
.to-top:hover{background:#ff8255;transform:translateY(-3px)}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top__icon{line-height:1}

@media (max-width:1199px){
  .site-header__main{flex-wrap:wrap;padding-block:.75rem}
  .site-header__panel{flex-wrap:wrap}
  .site-header__sync{display:none}
  .site-nav__link{padding:.4em .55em;font-size:.86rem}
  .league-switcher__btn{padding:.28em .6em;font-size:.76rem}
}
@media (max-width:991px){
  .site-header__main{align-items:center}
  .site-header__panel{gap:.6rem}
  .site-nav__idx{display:none}
  .site-header__sub{padding-left:.7rem;gap:.5rem}
  .site-footer__inner{grid-template-columns:1fr 1fr}
  .site-footer__trust{grid-column:1/-1}
  .site-footer__bottom{flex-direction:column;text-align:center}
}
@media (max-width:767px){
  .site-header{position:sticky}
  .site-header__main{min-height:60px;flex-wrap:nowrap;gap:.75rem;padding-inline:1rem;padding-block:.6rem}
  .site-header__badge{min-width:44px;height:32px;font-size:.98rem}
  .site-header__meta{line-height:1.1}
  .site-header__name{font-size:.98rem}
  .site-header__tagline{font-size:.62rem}
  .site-header__panel{display:none}
  .site-header__panel[data-open]{display:flex;position:absolute;top:calc(100% + 0px);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--color-primary);padding:1rem 0 1.4rem;border-top:1px solid var(--color-border);box-shadow:0 20px 40px rgba(0,0,0,.5)}
  .site-nav{width:100%}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{display:flex;align-items:center;justify-content:space-between;padding:.85em 1.5rem;font-size:1rem;border-radius:0;border-bottom:1px solid rgba(255,255,255,.06)}
  .site-nav__idx{display:inline;font-size:.68rem;order:2}
  .site-header__sub{display:flex;flex-direction:column;align-items:stretch;gap:.75rem;width:100%;padding:1rem 1.5rem 0;border-left:0;border-top:1px solid var(--color-border);margin-top:.75rem}
  .site-header__sync{display:flex;order:0}
  .league-switcher{flex-wrap:wrap;order:1;justify-content:space-between}
  .league-switcher__group{flex-wrap:wrap}
  .league-switcher__btn{padding:.4em .9em;font-size:.84rem}
  .site-header__quick{order:2;align-items:center;justify-content:center;gap:.75rem}
  .nav-toggle{display:inline-flex}
  .site-footer__inner{grid-template-columns:1fr;gap:1.75rem;padding:2.5rem 1.25rem 1.5rem}
  .site-footer__trust{grid-column:1}
  .site-footer__bottom{padding:1rem 1.25rem;gap:.4rem}
  .to-top{right:1rem;bottom:1rem;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  .site-header__sync-dot{animation:none}
  .to-top,.card,.btn,.site-header,.site-progress__bar{transition:none}
}