/* =========================================================
   赢体育唯一官网 · 共享样式 /assets/site.css
   夜墨底 · 深墨绿结构 · 荧光青锚点 · 暖金数字
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#060B0A;
  --ink-2:#0A1210;
  --panel:#0C1512;
  --panel-2:#12211C;
  --band:#1B3A31;
  --cyan:#35F2D0;
  --cyan-dim:#0FB79A;
  --gold:#F2C14E;
  --paper:#F4F7F5;
  --mist:#7E8F8A;
  --line:#28403A;
  --line-soft:#1A2C27;
  --text:#EDF3F1;
  --text-dim:#B7C6C1;
  --shadow-hard:8px 8px 0 #040908;
  --shadow-soft:4px 4px 0 #040908;
  --radius:2px;
  --font-head:'Archivo Narrow','Oswald','Noto Sans SC','PingFang SC',sans-serif;
  --font-body:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'JetBrains Mono','Roboto Mono','SFMono-Regular','Menlo',monospace;
  --ease:160ms cubic-bezier(.2,.7,.3,1);
  --wrap:1280px;
  --pad:clamp(16px,3vw,32px);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:112px;
}
body{
  margin:0;
  min-height:100%;
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 520px at 84% -10%, rgba(53,242,208,.07), transparent 62%),
    radial-gradient(760px 460px at -8% 18%, rgba(27,58,49,.55), transparent 62%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;height:auto}
[hidden]{display:none !important}

/* ---------- 3. 中文排版 ---------- */
h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.06;
  letter-spacing:-.02em;
  color:var(--text);
  text-wrap:balance;
}
h1{font-size:clamp(2.2rem,5.4vw,4.5rem);line-height:1.02}
h2{font-size:clamp(1.6rem,3.3vw,2.5rem)}
h3{font-size:clamp(1.15rem,1.9vw,1.6rem);line-height:1.22}
h4{font-size:1.06rem;letter-spacing:0}
p{margin:0 0 1.2em;max-width:42em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.2em;padding-left:1.15em}
li{margin-bottom:.4em}
strong{color:var(--text);font-weight:700}
small{font-size:13px;color:var(--mist)}
hr{border:0}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--cyan-dim)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:2px}

.num,.data-figure,.section-head__num,.rail-nav__num,.tag{
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}

/* ---------- 4. 通用容器与网格 ---------- */
.wrap{width:min(100% - var(--pad) * 2, var(--wrap));margin-inline:auto}
.shell{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:clamp(28px,4vw,64px);
  align-items:start;
}
.shell__rail{position:sticky;top:104px;align-self:start}
.shell__main{min-width:0}
.grid{display:grid;gap:clamp(16px,2vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(20px,3vw,44px)}
.stack{display:grid;gap:14px}
.divider{height:2px;background:var(--line);margin:clamp(32px,5vw,72px) 0}
.band-strip{
  height:14px;
  background:repeating-linear-gradient(115deg,var(--band) 0 3px,transparent 3px 28px);
  opacity:.6;
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:14px;
  line-height:1;
  letter-spacing:.02em;
  padding:11px 18px;
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel-2);
  color:var(--text);
  cursor:pointer;
  text-align:center;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),
             transform var(--ease),box-shadow var(--ease);
}
.btn:hover{transform:translate(-1px,-1px);border-color:var(--cyan);color:var(--cyan)}
.btn:active{transform:translate(0,0)}
.btn--solid{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#04120F;
  box-shadow:var(--shadow-soft);
}
.btn--solid:hover{background:var(--cyan-dim);border-color:var(--cyan-dim);color:#04120F}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-dim)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(53,242,208,.06)}
.btn--sm{padding:8px 13px;font-size:13px}
.btn--block{width:100%}

/* ---------- 6. 头部：悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  padding:14px 0;
  pointer-events:none;
  background:linear-gradient(to bottom,
    rgba(6,11,10,.97) 0%,
    rgba(6,11,10,.88) 58%,
    rgba(6,11,10,0) 100%);
  transition:padding var(--ease);
}
.site-header[data-scrolled]{padding:8px 0}

.nav-shell{
  position:relative;
  pointer-events:auto;
  width:min(100% - 32px, var(--wrap));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 16px 10px 16px;
  background:rgba(12,21,18,.94);
  border:2px solid var(--line);
  border-radius:24px;
  box-shadow:6px 6px 0 rgba(4,9,8,.72);
  backdrop-filter:blur(12px) saturate(1.15);
  -webkit-backdrop-filter:blur(12px) saturate(1.15);
  transition:padding var(--ease),border-radius var(--ease),
             box-shadow var(--ease),border-color var(--ease);
}
.site-header[data-scrolled] .nav-shell{
  padding:6px 14px;
  border-color:#33544B;
  box-shadow:4px 4px 0 rgba(4,9,8,.85);
}

.skip-link{
  position:fixed;
  top:-120px;
  left:20px;
  z-index:200;
  pointer-events:auto;
  padding:11px 20px;
  background:var(--cyan);
  color:#04120F;
  font-family:var(--font-head);
  font-weight:700;
  font-size:14px;
  border-radius:var(--radius);
  box-shadow:var(--shadow-soft);
  transition:top var(--ease);
}
.skip-link:focus{top:16px;color:#04120F}

.scroll-progress{
  position:absolute;
  left:22px;
  right:22px;
  bottom:2px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan-dim),var(--cyan));
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  pointer-events:none;
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  flex:0 0 auto;
}
.brand:hover{color:var(--text)}
.brand__mark{
  flex:0 0 38px;
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  background:var(--cyan);
  color:#04120F;
  font-family:var(--font-head);
  font-weight:700;
  font-size:20px;
  line-height:1;
  border-radius:8px;
  box-shadow:3px 3px 0 #071713;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__name{
  font-family:var(--font-head);
  font-weight:700;
  font-size:19px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand__tag{
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mist);
  white-space:nowrap;
}

/* 移动按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:9px 16px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:13.5px;
  letter-spacing:.04em;
  color:var(--cyan);
  background:transparent;
  border:2px solid var(--cyan);
  border-radius:999px;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(53,242,208,.12)}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  transition:background-color var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  transition:transform var(--ease),top var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

/* 导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto;
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
  margin:0;
  padding:0;
}
.site-nav__list li{margin:0}
.site-nav__link{
  display:block;
  padding:8px 13px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-dim);
  border:2px solid transparent;
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.site-nav__link:hover{
  color:var(--text);
  border-color:var(--line);
  background:rgba(27,58,49,.4);
}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(53,242,208,.07);
}
.nav-cta{
  display:flex;
  align-items:center;
  gap:8px;
  padding-left:16px;
  border-left:2px solid var(--line);
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(80px,10vw,160px);
  background:var(--panel);
  border-top:2px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-2px;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--cyan) 0 16%,var(--band) 16% 100%);
}
.footer-band{
  display:block;
  height:12px;
  background:repeating-linear-gradient(115deg,var(--band) 0 3px,transparent 3px 26px);
  opacity:.7;
}
.footer-inner{width:min(100% - var(--pad) * 2, var(--wrap));margin-inline:auto}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .85fr .85fr .85fr;
  gap:clamp(24px,3vw,48px);
  padding:clamp(48px,6vw,80px) 0 clamp(32px,4vw,52px);
}
.footer-brand__desc{
  margin:20px 0 0;
  font-size:14.5px;
  color:var(--mist);
  max-width:34em;
  line-height:1.7;
}
.footer-contact{
  list-style:none;
  margin:22px 0 0;
  padding:0;
  display:grid;
  gap:9px;
}
.footer-contact__item{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:10px;
  margin:0;
  font-size:14px;
  align-items:baseline;
}
.footer-contact__key{
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--cyan);
  text-transform:uppercase;
}
.footer-contact__val{color:var(--text-dim);word-break:break-all}
.footer-col__title{
  margin:0 0 18px;
  font-family:var(--font-body);
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}
.footer-col__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:11px;
}
.footer-col__list li{margin:0}
.footer-link{
  display:inline-block;
  font-size:15px;
  color:var(--text-dim);
  padding-bottom:3px;
  background-image:linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;
  background-size:0% 2px;
  background-position:0 100%;
  transition:background-size 220ms cubic-bezier(.2,.7,.3,1),color var(--ease);
}
.footer-link:hover{color:var(--cyan);background-size:100% 2px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px 28px;
  padding:24px 0 30px;
  border-top:2px solid var(--line-soft);
  font-size:13px;
  color:var(--mist);
}
.footer-service{margin:0;font-size:13px;color:var(--mist);max-width:none}
.footer-bottom__meta{
  display:flex;
  flex-wrap:wrap;
  gap:6px 20px;
  font-family:var(--font-num);
  font-size:12.5px;
  letter-spacing:.02em;
}

/* ---------- 8. 基础组件 ---------- */
.breadcrumb{
  margin:0 0 20px;
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--mist);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0;
  padding:0;
}
.breadcrumb li{display:flex;align-items:center;gap:8px;margin:0}
.breadcrumb li + li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--mist)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--text)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  background:rgba(12,21,18,.72);
  border:2px solid var(--line);
  border-radius:999px;
}
.tag--gold{color:var(--gold);border-color:#4A3D1C}
.tag--mist{color:var(--mist)}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 18px;
  margin:0 0 clamp(20px,3vw,34px);
  padding-bottom:14px;
  border-bottom:2px solid var(--line);
}
.section-head__num{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--cyan);
  padding:3px 9px;
  border:2px solid var(--cyan);
  border-radius:var(--radius);
  line-height:1.4;
}
.section-head__title{
  margin:0;
  font-family:var(--font-head);
  font-size:clamp(1.35rem,2.4vw,2rem);
}
.section-head__note{
  margin:0 0 0 auto;
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--mist);
}

.card{
  position:relative;
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(20px,2.4vw,30px);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card__title{
  margin:0 0 10px;
  font-family:var(--font-head);
  font-size:clamp(1.05rem,1.6vw,1.32rem);
  line-height:1.25;
}
.card--lift:hover{
  transform:translate(-2px,-2px);
  border-color:#35564D;
  box-shadow:var(--shadow-hard);
}

.data-figure{
  display:block;
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(2rem,5.2vw,5.5rem);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--gold);
}
.data-figure--cyan{color:var(--cyan)}
.data-figure--sm{font-size:clamp(1.4rem,2.6vw,2.2rem)}
.data-unit{
  font-family:var(--font-body);
  font-size:.32em;
  letter-spacing:.08em;
  color:var(--mist);
  margin-left:.4em;
}
.num{
  font-family:var(--font-num);
  font-size:15px;
  letter-spacing:.02em;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  font-family:var(--font-body);
  font-size:13.5px;
  font-weight:500;
  line-height:1.4;
  color:var(--text-dim);
  background:var(--panel-2);
  border:2px solid var(--line);
  border-radius:999px;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),
             border-color var(--ease),transform var(--ease);
}
.chip:hover{
  color:var(--text);
  border-color:var(--cyan-dim);
  transform:translateY(-2px);
}
.chip[aria-pressed="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#04120F;
  font-weight:700;
}

.rail-nav{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.rail-nav li{margin:0}
.rail-nav__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 12px;
  font-size:14px;
  color:#9FB0AB;
  border-left:2px solid var(--line);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.rail-nav__link:hover{
  color:var(--text);
  border-left-color:var(--cyan-dim);
  background:rgba(27,58,49,.32);
}
.rail-nav__link[aria-current="true"],
.rail-nav__link[aria-current="page"]{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:rgba(53,242,208,.07);
}
.rail-nav__num{
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mist);
}
.rail-nav__link[aria-current="true"] .rail-nav__num,
.rail-nav__link[aria-current="page"] .rail-nav__num{color:var(--cyan)}

.media{
  position:relative;
  overflow:hidden;
  background:var(--panel-2);
  border:2px solid var(--line);
  border-radius:var(--radius);
}
.media > img,
.media > video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.85) contrast(1.08);
}
.media--16x9{aspect-ratio:16 / 9}
.media--3x2{aspect-ratio:3 / 2}
.media--1x1{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:4 / 5}
.media--sweep::after{
  content:"";
  position:absolute;
  top:-30%;
  right:-40%;
  width:78%;
  height:170%;
  background:linear-gradient(100deg,rgba(53,242,208,0),rgba(53,242,208,.14));
  transform:skewX(-14deg);
  pointer-events:none;
}
.media__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:14px 16px 12px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--mist);
  background:linear-gradient(to top,rgba(6,11,10,.94),rgba(6,11,10,0));
}

.prose{max-width:68ch}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.3em}

.paper{
  background:var(--paper);
  color:#0C1512;
  border:2px solid var(--band);
  border-radius:var(--radius);
  padding:clamp(28px,4vw,56px);
}
.paper h1,.paper h2,.paper h3,.paper h4{color:#0C1512}
.paper p,.paper li{color:#1B2B26}
.paper a{color:#0A6B5B;text-decoration:underline;text-underline-offset:3px}
.paper a:hover{color:var(--cyan-dim)}
.paper small{color:#4E615B}
.paper .tag{color:#0A6B5B;border-color:#B9C9C4;background:#E7EFEC}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1079px){
  .site-header{padding:10px 0}
  .site-header[data-scrolled]{padding:7px 0}
  .nav-shell{
    gap:12px;
    padding:8px 14px;
    border-radius:18px;
  }
  .nav-toggle{display:inline-flex}
  .brand__tag{display:none}
  .site-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    padding:12px;
    background:var(--panel-2);
    border:2px solid var(--line);
    border-radius:14px;
    box-shadow:8px 8px 0 rgba(4,9,8,.78);
  }
  .site-nav[data-open]{display:flex}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav__link{
    border-radius:10px;
    padding:12px 14px;
    font-size:16px;
    white-space:normal;
  }
  .nav-cta{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    margin-top:10px;
    padding:12px 0 0;
    border-left:0;
    border-top:2px solid var(--line);
  }
  .nav-cta .btn{width:100%;padding:12px 16px;font-size:14px}
  .shell{grid-template-columns:minmax(0,1fr)}
  .shell__rail{position:static;top:auto}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:640px){
  body{font-size:16px}
  .brand__mark{width:32px;height:32px;flex-basis:32px;font-size:17px;border-radius:6px}
  .brand__name{font-size:16px}
  .nav-toggle{padding:8px 13px;font-size:12.5px}
  .nav-shell{border-radius:16px;padding:7px 12px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head__note{margin-left:0;width:100%}
}

/* ---------- 10. 页脚品牌尺寸覆盖 ---------- */
.brand--footer .brand__mark{
  width:44px;
  height:44px;
  flex-basis:44px;
  font-size:22px;
  border-radius:10px;
}
.brand--footer .brand__name{font-size:22px}
.brand--footer .brand__tag{display:block;white-space:normal;font-size:11.5px}

/* ---------- 11. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-property:color,background-color,border-color,outline-color,box-shadow !important;
    transition-duration:120ms !important;
    scroll-behavior:auto !important;
  }
  html{scroll-behavior:auto}
  .btn:hover,
  .chip:hover,
  .card--lift:hover{transform:none !important}
}