/* /assets/site.css — 宝威体育全站共享样式 */

/* ---------- 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}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}

/* ---------- Tokens ---------- */
:root{
  --ink:#121417;
  --navy:#0B2A4A;
  --midnight:#061A2E;
  --orange:#FF6B2C;
  --lime:#B8FF3D;
  --paper:#F6F1E8;
  --mist:#DCE8F2;
  --slate:#5E7387;
  --white:#FFFFFF;

  --r-xl:36px;
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;
  --pill:999px;

  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:320ms;

  --header-h:80px;
  --maxw:1440px;
  --readw:38em;
  --gut:clamp(18px,4vw,46px);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- Base ---------- */
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--paper);
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.01em}
p{max-width:var(--readw)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
html.nav-open{overflow:hidden}

.skip-link{
  position:fixed;top:12px;left:12px;z-index:200;
  transform:translateY(-200%);
  padding:12px 22px;border-radius:var(--pill);
  background:var(--lime);color:var(--midnight);
  font-size:14px;font-weight:700;
  transition:transform 200ms var(--ease);
}
.skip-link:focus{transform:none}

/* ---------- Layout helpers ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.wrap--wide{max-width:1680px}
.section{padding-block:clamp(48px,7vw,104px)}
.section--paper{background:var(--paper)}
.section--mist{background:var(--mist)}
.section--dark{background:var(--midnight);color:var(--paper)}
.section--dark p{color:rgba(246,241,232,.8)}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px 32px;margin-bottom:clamp(24px,3.4vw,46px);
}
.section__title{font-size:clamp(26px,3.4vw,44px);font-weight:800}
.stack>*+*{margin-top:var(--stack-gap,16px)}
.muted{color:var(--slate)}

/* ---------- Type ---------- */
.display{
  font-size:clamp(48px,8vw,120px);
  font-weight:200;
  line-height:1;
  letter-spacing:-.025em;
}
.display--bold{font-weight:900;letter-spacing:-.03em}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--slate);
}
.section--dark .eyebrow{color:var(--lime)}
.lede{font-size:clamp(16px,1.5vw,19px);line-height:1.75;color:var(--slate)}
.section--dark .lede{color:rgba(246,241,232,.82)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--pill);
  font-size:14px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--orange);color:#fff}
.btn--accent:hover{background:#ff5716}
.btn--lime{background:var(--lime);color:var(--midnight)}
.btn--lime:hover{background:#a8f023}
.btn--ghost{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.28);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.16)}
.btn--outline{border-color:rgba(11,42,74,.28);color:var(--navy)}
.btn--outline:hover{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- Tags & stats ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  background:var(--mist);color:var(--navy);
}
.tag--lime{background:var(--lime);color:var(--midnight)}
.tag--orange{background:var(--orange);color:#fff}
.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{font-family:var(--font-mono);font-size:clamp(28px,4vw,46px);font-weight:700;line-height:1;color:var(--navy)}
.section--dark .stat__value{color:var(--lime)}

/* ---------- Cards & grid ---------- */
.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}
.card{
  position:relative;
  background:#fff;
  border:1px solid rgba(11,42,74,.08);
  border-radius:var(--r-lg);
  padding:clamp(20px,2.4vw,32px);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 54px -30px rgba(11,42,74,.55);border-color:rgba(11,42,74,.18)}
.card--mist{background:var(--mist);border-color:rgba(11,42,74,.1)}
.card--navy{background:var(--navy);border-color:rgba(255,255,255,.14);color:var(--paper)}
.card--navy .card__title{color:#fff}
.card__title{font-size:clamp(18px,2vw,23px);font-weight:800}

/* ---------- Media placeholders ---------- */
.media{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,var(--navy) 0%,var(--midnight) 100%);
}
.media__img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.media--wide .media__img{aspect-ratio:16/9}
.media--tall .media__img{aspect-ratio:3/4}
.media--square .media__img{aspect-ratio:1/1}
.media__caption{
  position:absolute;left:16px;bottom:16px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(6,26,46,.62);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:#fff;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding-block:20px 0}
.breadcrumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--slate);
}
.breadcrumb__list li+li::before{content:"/";margin-right:10px;opacity:.5}
.breadcrumb__list a:hover{color:var(--navy)}

/* ---------- Reveal ---------- */
[data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity 420ms var(--ease),transform 420ms var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:linear-gradient(100deg,var(--midnight) 0%,var(--navy) 62%,#0e3560 100%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 18px 44px -34px rgba(6,26,46,.9);
}
.site-header__inner{
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding-inline:var(--gut);
  height:var(--header-h);
  display:flex;align-items:center;gap:clamp(12px,2vw,30px);
}
.brand{display:flex;flex-direction:column;gap:1px;flex:0 0 auto}
.brand__mark{font-size:20px;font-weight:800;color:#fff;letter-spacing:.06em;line-height:1.1}
.brand__tagline{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  color:rgba(255,255,255,.56);line-height:1.4;
}
.site-nav{display:flex;align-items:center;gap:clamp(10px,1.5vw,24px);margin-left:auto}
.site-nav__list{display:flex;align-items:center;gap:clamp(2px,.6vw,10px)}
.site-nav__link{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:10px 14px;border-radius:var(--pill);
  font-size:14px;line-height:1;color:rgba(255,255,255,.78);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.site-nav__link:hover{background:rgba(255,255,255,.12);color:#fff}
.site-nav__link[aria-current="page"]{background:var(--lime);color:var(--midnight);font-weight:700}
.site-nav__index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;
  opacity:.55;
}
.site-nav__link[aria-current="page"] .site-nav__index{opacity:1}
.site-nav__actions{
  display:flex;align-items:center;gap:8px;
  padding-left:clamp(8px,1.4vw,20px);
  border-left:1px solid rgba(255,255,255,.18);
}
.nav-toggle{
  display:none;margin-left:auto;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:600;line-height:1;
}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:currentColor}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.site-header[data-open] .nav-toggle__bars{background:transparent}
.site-header[data-open] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--orange),var(--lime));
}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,7vw,110px);
  background:var(--midnight);
  color:rgba(246,241,232,.8);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:-140px;right:-90px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,107,44,.32),transparent 72%);
  pointer-events:none;
}
.site-footer::after{
  content:"";position:absolute;bottom:-170px;left:-70px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(184,255,61,.18),transparent 72%);
  pointer-events:none;
}
.site-footer__inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding:clamp(40px,6vw,80px) var(--gut) 26px;
}
.site-footer__grid{
  display:grid;gap:clamp(28px,4vw,52px);
  grid-template-columns:minmax(230px,1.5fr) repeat(3,minmax(150px,1fr));
}
.footer-col{min-width:0}
.footer-col--brand{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.footer-brand{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;letter-spacing:.08em;line-height:1.1}
.footer-note{font-size:14px;line-height:1.75;color:rgba(246,241,232,.68);max-width:30em}
.footer-col__title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--lime);margin-bottom:16px;
}
.footer-list li{margin-bottom:10px;font-size:14px;line-height:1.65}
.footer-list a{color:rgba(246,241,232,.78);transition:color var(--dur) var(--ease)}
.footer-list a:hover{color:#fff}
.footer-list--contact li{color:rgba(246,241,232,.66);font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em}
.footer-cta{
  display:inline-flex;align-items:center;
  padding:11px 20px;border-radius:var(--pill);
  background:var(--orange);color:#fff;font-size:13.5px;font-weight:700;line-height:1;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-cta:hover{background:#ff5716;transform:translateY(-2px)}
.site-footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 28px;
  margin-top:clamp(32px,4.4vw,56px);padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.footer-copy{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:rgba(246,241,232,.55);
}

/* ---------- Responsive: header & footer ---------- */
@media (max-width:1319px){
  .site-nav__index{display:none}
  .site-nav__link{padding:10px 12px;font-size:13.5px}
}
@media (max-width:1139px){
  :root{--header-h:68px}
  .brand__tagline{font-size:9.5px;letter-spacing:.12em}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;left:0;right:0;top:var(--header-h);
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:12px var(--gut) 30px;
    background:var(--midnight);
    border-bottom:1px solid rgba(255,255,255,.16);
    box-shadow:0 34px 64px -32px rgba(0,0,0,.75);
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-14px);
    transition:opacity 240ms var(--ease),transform 240ms var(--ease),visibility 240ms var(--ease);
  }
  .site-header[data-open] .site-nav{opacity:1;visibility:visible;transform:none}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{width:100%}
  .site-nav__link{
    width:100%;justify-content:flex-start;gap:12px;
    padding:16px 6px;border-radius:var(--r-sm);
    border-bottom:1px solid rgba(255,255,255,.09);
    font-size:17px;
  }
  .site-nav__link:hover{background:rgba(255,255,255,.06)}
  .site-nav__link[aria-current="page"]{background:transparent;color:var(--lime)}
  .site-nav__link[aria-current="page"] .site-nav__index{color:var(--lime);display:inline}
  .site-nav__index{display:inline;font-size:11px}
  .site-nav__actions{
    margin-top:22px;padding:0;border-left:0;
    flex-direction:column;align-items:stretch;gap:10px;
  }
  .site-nav__actions .btn{justify-content:center;padding:15px 20px;font-size:15px}
}
@media (max-width:900px){
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .brand__tagline{display:none}
  .brand__mark{font-size:18px}
  .site-footer{border-radius:var(--r-lg) var(--r-lg) 0 0}
  .site-footer__grid{grid-template-columns:1fr;gap:30px}
  .site-footer__base{justify-content:flex-start}
  .media__caption{left:12px;bottom:12px;font-size:10px}
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .card:hover,.footer-cta:hover{transform:none}
}