/* 黑白体育 · shared design tokens */
:root {
  --ink:#131619;
  --muted:#686d72;
  --paper:#fff;
  --soft:#f3f4f4;
  --line:#e2e4e5;
  --accent:#bf303b;
  --max:1240px
}

* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:96px
}
body {
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font:16px/1.8 "Microsoft YaHei","PingFang SC",Arial,sans-serif
}
a {
  color:inherit;
  text-decoration:none
}
button,input {
  font:inherit
}
a,button,summary {
  -webkit-tap-highlight-color:transparent
}
button,a,summary {
  touch-action:manipulation
}
img {
  display:block;
  width:100%;
  height:auto;
  object-fit:cover
}
button {
  cursor:pointer
}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:5px
}
h1,h2,h3,p {
  margin:0
}
h1,h2,h3 {
  line-height:1.35
}
h1 {
  font-size:clamp(34px,4.5vw,64px);
  letter-spacing:-2px
}
h2 {
  font-size:clamp(25px,3vw,36px);
  letter-spacing:-1px
}
h3 {
  font-size:20px
}
p {
  color:var(--muted)
}
.container {
  width:min(var(--max),calc(100% - 64px));
  margin:auto
}
.skip {
  position:absolute;
  top:-80px;
  background:#fff;
  padding:12px;
  z-index:100
}
.skip:focus {
  top:0
}
.header {
  height:88px;
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s
}
.header.scrolled {
  box-shadow:0 6px 24px #0000000d
}
.header-inner {
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:25px
}
.brand img {
  width:183px;
  height:44px
}
.nav {
  display:flex;
  align-items:center;
  gap:27px
}
.nav a {
  font-size:14px;
  font-weight:600;
  position:relative;
  padding:31px 0
}
.nav a[aria-current=page]:after {
  content:"";
  position:absolute;
  height:3px;
  background:var(--accent);
  bottom:0;
  left:0;
  right:0
}
.nav a:hover {
  color:var(--accent)
}
.menu-toggle {
  display:none;
  background:transparent;
  border:1px solid var(--line);
  padding:8px 12px
}
.hero {
  background:#111820;
  min-height:650px;
  position:relative;
  color:#fff;
  isolation:isolate;
  display:flex;
  align-items:center;
  overflow:hidden
}
.hero>.hero-image {
  position:absolute;
  inset:0;
  height:100%;
  z-index:-2;
  filter:saturate(.45)
}
.hero:after {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(5,12,18,.92),rgba(5,12,18,.65) 48%,rgba(5,12,18,.1));
  z-index:-1
}
.hero-content {
  padding:72px 0 110px
}
.eyebrow {
  font:700 12px/1.5 Arial,sans-serif;
  letter-spacing:3px;
  color:var(--accent);
  display:block;
  margin-bottom:20px
}
.hero .eyebrow {
  color:#f0b7bc
}
.hero h1 {
  font-size:clamp(42px,6vw,80px);
  line-height:1.2;
  max-width:780px
}
.hero h1 span {
  font-weight:400;
  color:#d4d9dd
}
.hero p {
  max-width:490px;
  color:#d4d9dd;
  margin-top:25px;
  font-size:17px
}
.actions {
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:32px
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  background:var(--ink);
  color:white;
  padding:12px 24px;
  min-height:48px;
  border:1px solid var(--ink);
  font-size:14px;
  font-weight:600;
  transition:background .2s,transform .2s
}
.button:hover {
  background:#363b40;
  transform:translateY(-2px)
}
.button.light {
  background:white;
  color:var(--ink);
  border-color:white
}
.button.outline {
  background:transparent;
  color:inherit;
  border-color:#91979b
}
.button.red {
  background:var(--accent);
  border-color:var(--accent)
}
.hero-bottom {
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  border-top:1px solid #ffffff30;
  background:#07101655
}
.hero-bottom .container {
  display:flex;
  justify-content:space-between;
  padding:17px 0;
  font-size:12px;
  letter-spacing:2px
}
.hero-bottom span {
  color:#bbc3c9
}
.section {
  padding:80px 0
}
.section.soft {
  background:var(--soft)
}
.section.dark {
  background:#15191d;
  color:white
}
.section.dark p {
  color:#aeb5bb
}
.section-head {
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px
}
.section-head .eyebrow {
  margin-bottom:10px
}
.text-link {
  font-size:14px;
  font-weight:600;
  white-space:nowrap
}
.text-link:hover {
  color:var(--accent)
}
.intro {
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:90px;
  align-items:center
}
.intro p {
  margin-bottom:18px
}
.values {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:25px;
  margin-top:36px
}
.value {
  padding:24px 0;
  border-top:1px solid var(--line)
}
.value strong {
  display:block;
  font-size:18px;
  margin-bottom:8px
}
.value small {
  color:var(--muted);
  line-height:1.7;
  display:block
}
.grid3 {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px
}
.grid2 {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:30px
}
.card {
  background:white;
  border:1px solid var(--line);
  overflow:hidden
}
.card-media {
  overflow:hidden;
  display:block
}
.card-media img {
  aspect-ratio:3/2;
  transition:transform .5s
}
.card:hover .card-media img {
  transform:scale(1.035)
}
.card-body {
  padding:26px
}
.meta {
  display:flex;
  gap:12px;
  align-items:center;
  color:var(--muted);
  font-size:12px;
  margin-bottom:13px
}
.tag {
  font-size:11px;
  letter-spacing:1px;
  font-weight:700;
  color:var(--accent)
}
.card h3 {
  margin-bottom:13px
}
.card p {
  font-size:14px;
  margin-bottom:20px
}
.card .text-link {
  font-size:13px
}
.feature {
  display:grid;
  grid-template-columns:1.2fr 1fr;
  background:#191e22;
  color:#fff
}
.feature img {
  height:100%;
  min-height:390px
}
.feature-copy {
  padding:48px
}
.feature-copy p {
  color:#b9c1c6;
  margin:20px 0
}
.feature-copy h3 {
  font-size:30px
}
.line-list {
  border-top:1px solid var(--line)
}
.line-item {
  display:flex;
  gap:22px;
  align-items:center;
  justify-content:space-between;
  padding:23px 0;
  border-bottom:1px solid var(--line)
}
.line-item .number {
  font:bold 24px Arial;
  color:#a0a5a9
}
.line-item .grow {
  flex:1
}
.line-item h3 {
  font-size:18px
}
.line-item p {
  font-size:13px;
  margin-top:5px
}
.split {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center
}
.split>img {
  aspect-ratio:3/2
}
.split p {
  margin:22px 0
}
.topics {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:24px
}
.topics a {
  padding:7px 14px;
  border:1px solid #626b71;
  font-size:13px
}
.topics a:hover {
  background:white;
  color:var(--ink)
}
details {
  border-bottom:1px solid var(--line);
  padding:19px 0
}
summary {
  cursor:pointer;
  font-weight:600;
  list-style:none;
  padding-right:30px;
  position:relative
}
summary::-webkit-details-marker {
  display:none
}
summary:after {
  content:"+";
  position:absolute;
  right:3px;
  font-size:23px;
  top:-5px;
  color:var(--accent)
}
details[open] summary:after {
  content:"−"
}
details p {
  font-size:15px;
  margin:17px 0 0;
  max-width:850px
}
.cta {
  padding:45px 50px;
  background:#eceeef;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px
}
.cta h2 {
  font-size:30px
}
.cta p {
  margin-top:10px
}
.footer {
  background:#101417;
  color:#f3f4f4;
  padding:60px 0 22px
}
.footer-top {
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:70px
}
.footer .brand img {
  background:white;
  padding:8px;
  width:200px;
  height:60px
}
.footer p {
  font-size:13px;
  color:#a4adb4;
  max-width:360px;
  margin-top:18px
}
.footer h3 {
  font-size:14px;
  margin-bottom:20px
}
.footer-links {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  font-size:13px;
  color:#bbc1c6
}
.footer-contact {
  font-size:13px;
  color:#bbc1c6;
  display:grid;
  gap:7px
}
.footer-bottom {
  border-top:1px solid #30363b;
  margin-top:45px;
  padding-top:22px;
  font-size:11px;
  color:#9aa4ac;
  display:flex;
  gap:15px;
  justify-content:space-between;
  flex-wrap:wrap
}
.back-top {
  position:fixed;
  bottom:24px;
  right:24px;
  width:44px;
  height:44px;
  background:#fff;
  border:1px solid #ccd0d4;
  z-index:40
}
.back-top[hidden] {
  display:none
}
.breadcrumb {
  font-size:12px;
  color:var(--muted);
  padding:25px 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px
}
.page-hero {
  background:#f0f2f2;
  border-bottom:1px solid var(--line)
}
.page-heading {
  padding:26px 0 62px;
  max-width:850px
}
.page-heading p {
  margin-top:20px;
  max-width:690px
}
.page-heading h1 {
  font-size:clamp(34px,4vw,54px)
}
.page-visual {
  height:360px;
  object-fit:cover
}
.note {
  font-size:13px;
  color:var(--muted);
  border-left:3px solid var(--accent);
  padding:10px 16px;
  margin-top:24px;
  background:#f1f3f3
}
.filters {
  display:flex;
  gap:10px;
  margin-bottom:28px;
  flex-wrap:wrap
}
.filter {
  border:1px solid #d8dcde;
  background:white;
  padding:8px 22px;
  font-size:14px
}
.filter[aria-pressed=true] {
  background:var(--ink);
  color:white;
  border-color:var(--ink)
}
[hidden] {
  display:none!important
}
.channel {
  padding:30px;
  border:1px solid var(--line);
  background:white
}
.channel .sport {
  font-size:11px;
  letter-spacing:2px;
  color:var(--accent)
}
.channel h3 {
  margin:14px 0
}
.channel p {
  font-size:14px
}
.channel .channel-bottom {
  margin-top:22px;
  border-top:1px solid var(--line);
  padding-top:18px;
  display:flex;
  justify-content:space-between;
  gap:15px;
  font-size:12px
}
.article-layout {
  display:grid;
  grid-template-columns:minmax(0,800px) 280px;
  gap:70px;
  align-items:start
}
.article-body>img {
  margin-bottom:30px
}
.article-body p {
  margin:18px 0;
  line-height:2;
  color:#50575d
}
.article-body h2 {
  font-size:27px;
  margin:40px 0 15px
}
.article-body h3 {
  font-size:19px;
  margin:25px 0 12px
}
.article-body ul {
  padding-left:22px;
  color:#50575d
}
.article-body li {
  margin:10px 0
}
.article-body blockquote {
  margin:28px 0;
  background:var(--soft);
  padding:25px 30px;
  border-left:3px solid var(--accent);
  font-size:19px
}
.article-side {
  position:sticky;
  top:120px
}
.article-side h2 {
  font-size:20px;
  margin-bottom:18px
}
.article-side a {
  display:block;
  border-bottom:1px solid var(--line);
  padding:15px 0;
  font-size:14px
}
.article-nav {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:25px;
  border-top:1px solid var(--line);
  margin-top:40px;
  padding-top:25px;
  font-size:14px
}
.article-nav small {
  display:block;
  color:var(--muted);
  margin-bottom:8px
}
.contact-grid {
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:64px
}
.contact-list {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:25px;
  margin-top:30px
}
.contact-item {
  padding:20px 0;
  border-top:1px solid var(--line)
}
.contact-item small {
  display:block;
  color:var(--muted);
  margin-bottom:8px
}
.contact-item a {
  overflow-wrap:anywhere
}
.contact-photo {
  height:100%;
  min-height:420px
}
.search {
  width:100%;
  max-width:600px;
  padding:14px 18px;
  border:1px solid #cdd2d6;
  margin-bottom:26px;
  background:white
}
.empty {
  padding:25px;
  background:var(--soft)
}
.editorial-label {
  font-size:12px;
  color:var(--muted);
  margin-top:12px
}
.reveal {
  transition:opacity .5s,transform .5s
}
.reveal.is-pending {
  opacity:0;
  transform:translateY(16px)
}
@media(min-width:1600px) {
  .hero {
  min-height:720px
}

}
@media(max-width:1100px) {
  .nav {
  gap:18px
}
.nav a {
  font-size:12px
}
.brand img {
  width:160px
}
.intro {
  gap:40px
}
.article-layout {
  gap:35px;
  grid-template-columns:minmax(0,1fr) 230px
}
.feature-copy {
  padding:30px
}
.footer-top {
  gap:35px
}

}
@media(max-width:850px) {
  .header {
  height:72px
}
.menu-toggle {
  display:block
}
.nav {
  display:none;
  position:absolute;
  left:0;
  right:0;
  top:72px;
  background:#fff;
  padding:18px 32px;
  box-shadow:0 12px 20px #0001
}
.nav.open {
  display:grid;
  gap:0
}
.nav a {
  padding:12px 0;
  font-size:15px
}
.nav a[aria-current=page]:after {
  width:24px;
  right:auto
}
.hero {
  min-height:600px
}
.grid3 {
  gap:18px
}
.card-body {
  padding:19px
}
.card h3 {
  font-size:18px
}
.split,.intro,.contact-grid {
  gap:35px
}
.feature {
  grid-template-columns:1fr 1fr
}
.article-layout {
  display:block
}
.article-side {
  position:static;
  margin-top:50px
}
.footer-top {
  grid-template-columns:1.2fr 1fr
}
.footer-top>div:last-child {
  grid-column:1/-1
}
.section {
  padding:60px 0
}
.cta {
  padding:30px
}
.contact-list {
  grid-template-columns:1fr
}
.contact-photo {
  min-height:450px
}

}
@media(max-width:640px) {
  .container {
  width:calc(100% - 36px)
}
.hero {
  min-height:650px
}
.hero-content {
  padding:58px 0 115px
}
.hero h1 {
  letter-spacing:-1px;
  font-size:48px
}
.hero p {
  font-size:15px;
  max-width:310px
}
.hero:after {
  background:linear-gradient(90deg,#081018ed,#08101880)
}
.hero-bottom .container {
  letter-spacing:0;
  font-size:10px;
  gap:16px
}
.hero-bottom span:last-child {
  display:none
}
.intro,.split,.grid2,.grid3,.feature,.contact-grid {
  grid-template-columns:1fr
}
.values {
  gap:18px
}
.value strong {
  font-size:16px
}
.value small {
  font-size:12px
}
.section {
  padding:48px 0
}
.section-head {
  align-items:center;
  gap:14px;
  margin-bottom:25px
}
.section-head h2 {
  font-size:27px
}
.section-head .text-link {
  font-size:12px
}
.eyebrow {
  font-size:10px;
  letter-spacing:2px
}
.card-body {
  padding:24px
}
.card h3 {
  font-size:21px
}
.feature img {
  min-height:0;
  aspect-ratio:3/2
}
.feature-copy {
  padding:28px
}
.feature-copy h3 {
  font-size:26px
}
.split>img {
  order:-1
}
.cta {
  display:block;
  padding:28px
}
.cta h2 {
  font-size:26px
}
.cta .button {
  margin-top:22px
}
.footer-top {
  grid-template-columns:1fr;
  gap:35px
}
.footer-top>div:last-child {
  grid-column:auto
}
.footer-bottom {
  font-size:10px
}
.footer {
  padding-top:42px
}
.page-heading {
  padding:16px 0 42px
}
.page-heading h1 {
  letter-spacing:-1px
}
.page-visual {
  height:230px
}
.contact-list {
  grid-template-columns:1fr 1fr;
  gap:16px
}
.contact-photo {
  min-height:0;
  height:auto;
  aspect-ratio:3/2
}
.article-nav {
  gap:20px
}
.line-item {
  gap:15px
}
.line-item h3 {
  font-size:16px
}
.back-top {
  bottom:16px;
  right:16px
}
.article-body h2 {
  font-size:24px
}
.article-body blockquote {
  padding:22px
}
.article-body p {
  font-size:15px
}

}
@media(prefers-reduced-motion:reduce) {
  html {
  scroll-behavior:auto
}
*,*:before,*:after {
  transition:none!important;
  animation:none!important
}
.reveal.is-pending {
  opacity:1;
  transform:none
}

}


/* Mobile hero typography */
@media(max-width:640px) {
  .hero h1 span {
  display:block
}
.hero>.hero-image {
  object-position:64% center
}

}