/* 星空体育 - style.css */
:root{
  --xk-navy:#0a2540;
  --xk-navy-dark:#071a2e;
  --xk-panel:#123256;
  --xk-green:#2f9e5c;
  --xk-orange:#e8822f;
  --xk-cyan:#2ba8b8;
  --xk-red:#d8494f;
  --xk-bg:#f2f6f5;
  --xk-text:#1b2a33;
  --xk-muted:#5f7280;
  --xk-border:#dde6e4;
  --xk-white:#ffffff;
  --xk-radius:8px;
  --xk-maxw:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Microsoft YaHei","PingFang SC","Segoe UI",Helvetica,Arial,sans-serif;
  background:var(--xk-bg);
  color:var(--xk-text);
  line-height:1.7;
  font-size:15px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--xk-cyan);text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:var(--xk-maxw);margin:0 auto;padding:0 20px;}
h1,h2,h3{color:var(--xk-text);line-height:1.35;}
h2{font-size:24px;margin:0 0 6px;}
h3{font-size:17px;margin:16px 0 8px;}
.section-tag{color:var(--xk-cyan);font-size:13px;font-weight:bold;letter-spacing:1px;text-transform:uppercase;}
.section-desc{color:var(--xk-muted);margin:0 0 24px;font-size:14px;max-width:760px;}
.lead-answer{background:#eef7f2;border-left:4px solid var(--xk-green);padding:12px 16px;border-radius:4px;font-size:14px;margin-bottom:20px;max-width:800px;}
section{padding:48px 0;border-bottom:1px solid var(--xk-border);}
section:nth-of-type(even){background:var(--xk-white);}

/* header */
header.site-header{position:sticky;top:0;z-index:50;background:var(--xk-navy);border-bottom:1px solid #08192c;}
.nav-row{display:flex;align-items:center;justify-content:space-between;max-width:var(--xk-maxw);margin:0 auto;padding:0 18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--xk-white);font-weight:bold;font-size:17px;}
.brand img{width:32px;height:32px;}
.brand small{display:block;color:var(--xk-green);font-weight:normal;font-size:11px;}
nav.main-nav{display:flex;gap:1px;flex-wrap:nowrap;}
nav.main-nav a{color:#cfe3d8;font-size:13.5px;padding:9px 10px;border-radius:6px;white-space:nowrap;}
nav.main-nav a:hover,nav.main-nav a.active{background:rgba(255,255,255,0.1);text-decoration:none;color:var(--xk-white);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.menu-btn{display:none;background:transparent;border:1px solid #24435e;color:var(--xk-white);border-radius:6px;width:40px;height:40px;font-size:18px;cursor:pointer;}
@media (max-width:1080px){
  nav.main-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--xk-navy);border-top:1px solid #08192c;padding:8px;max-height:80vh;overflow-y:auto;}
  nav.main-nav.open{display:flex;}
  nav.main-nav a{padding:12px 14px;}
  .menu-btn{display:block;}
}

/* hero */
#home{padding-top:40px;background:linear-gradient(180deg,#081d33 0%,#f2f6f5 100%);}
.hero-grid{display:flex;gap:36px;align-items:center;}
.hero-copy{flex:1;min-width:280px;}
.hero-copy h1{color:var(--xk-white);font-size:30px;margin:10px 0 12px;}
.hero-tags{color:#a9d3bf;font-size:13px;margin-bottom:14px;}
.hero-copy p.lead{color:#dbe8e2;max-width:560px;margin-bottom:20px;}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px;}
.btn{display:inline-block;padding:10px 18px;border-radius:6px;font-size:13.5px;font-weight:bold;border:1px solid transparent;cursor:pointer;}
.btn-primary{background:var(--xk-green);color:var(--xk-white);}
.btn-primary:hover{background:#25824c;text-decoration:none;}
.btn-outline{background:transparent;color:var(--xk-white);border-color:#3b6488;}
.btn-outline:hover{background:rgba(255,255,255,0.08);text-decoration:none;}
.btn-orange{background:var(--xk-orange);color:#fff;}
.hero-visual{flex:1;min-width:280px;text-align:center;}
.hero-strip{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #1b3a54;margin-top:10px;}
.hero-strip div{padding:14px 8px;text-align:center;color:#bcd6cb;font-size:12.5px;border-right:1px solid #1b3a54;}
.hero-strip div:last-child{border-right:none;}

/* search box */
.search-box{max-width:640px;margin:22px 0 6px;background:#0e2b48;border:1px solid #204a6b;border-radius:8px;padding:14px 16px;}
.search-box label{color:#cfe3d8;font-size:13px;display:block;margin-bottom:8px;}
.search-row{display:flex;gap:8px;}
.search-row input{flex:1;padding:9px 12px;border-radius:6px;border:1px solid #2c5678;background:#0a2138;color:#fff;font-size:14px;}
.search-row button{padding:9px 16px;border-radius:6px;border:none;background:var(--xk-green);color:#fff;font-weight:bold;cursor:pointer;}
.hot-words{margin-top:10px;font-size:12px;color:#9fc3b1;}
.hot-words button{background:none;border:1px solid #2c5678;color:#bcd6cb;border-radius:14px;padding:3px 10px;margin:4px 6px 0 0;font-size:12px;cursor:pointer;}
.no-result{display:none;color:var(--xk-orange);font-size:13.5px;margin-top:10px;}
.no-result.show{display:block;}

@media (max-width:760px){
  .hero-grid{flex-direction:column;}
  .hero-strip{grid-template-columns:repeat(2,1fr);}
  .hero-strip div{border-bottom:1px solid #1b3a54;}
  .search-row{flex-direction:column;}
}

/* status */
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.status-card{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:16px 18px;}
.status-card b{display:block;color:var(--xk-muted);font-size:12px;font-weight:normal;margin-bottom:6px;}
.status-card span{font-size:15px;font-weight:bold;}
@media (max-width:760px){.status-grid{grid-template-columns:1fr;}}

/* category grid */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.filter-btn{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:20px;padding:6px 14px;font-size:13px;cursor:pointer;}
.filter-btn.active{background:var(--xk-green);color:#fff;border-color:var(--xk-green);}
.hidden-item{display:none !important;}

.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cat-card{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:16px;}
.cat-card img{width:100%;height:auto;border-radius:6px;margin-bottom:10px;object-fit:cover;}
.cat-card h3{margin-top:0;font-size:15.5px;}
.cat-tags{margin:8px 0;}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:14px;background:#eef4f1;color:var(--xk-green);margin:0 4px 4px 0;}
.tag.orange{background:#fdf0e6;color:var(--xk-orange);}
.tag.blue{background:#e8f4f6;color:var(--xk-cyan);}
.cat-card p{font-size:12.5px;color:var(--xk-text);margin:6px 0;}
.cat-btn{margin-top:8px;background:none;border:1px solid var(--xk-border);border-radius:6px;padding:6px 12px;font-size:12.5px;cursor:pointer;color:var(--xk-cyan);}
@media (max-width:980px){.cat-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.cat-grid{grid-template-columns:1fr;}}

/* game cards */
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.game-card{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:var(--xk-radius);overflow:hidden;display:flex;flex-direction:column;}
.game-card img{width:100%;height:140px;object-fit:cover;background:#eef2f5;}
.game-card .gc-body{padding:14px 16px;flex:1;display:flex;flex-direction:column;}
.game-card h3{margin:0 0 6px;font-size:15.5px;}
.gc-meta{font-size:11.5px;color:var(--xk-muted);margin-bottom:8px;}
.game-card p{font-size:13px;color:var(--xk-text);flex:1;margin:0 0 10px;}
.gc-btns{display:flex;gap:8px;flex-wrap:wrap;}
.gc-btns button,.gc-btns a{font-size:12px;padding:6px 10px;border-radius:6px;border:1px solid var(--xk-border);background:none;color:var(--xk-cyan);cursor:pointer;}
@media (max-width:980px){.game-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.game-grid{grid-template-columns:1fr;}}

/* fifa/nba subsections */
.sub-block{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:20px 22px;margin-bottom:18px;}
.sub-block h3{margin-top:0;}
.notice-box{background:#fdf0e6;border-left:4px solid var(--xk-orange);padding:12px 16px;font-size:13.5px;border-radius:4px;margin:16px 0;}
.sub-grid{display:flex;gap:24px;flex-wrap:wrap;align-items:flex-start;}
.sub-grid img{width:220px;flex:none;border-radius:6px;}
.sub-grid .sub-text{flex:1;min-width:260px;}

/* app feature table */
.table-wrap{overflow-x:auto;border:1px solid var(--xk-border);border-radius:var(--xk-radius);background:var(--xk-white);}
table{border-collapse:collapse;width:100%;min-width:600px;font-size:13.5px;}
table th,table td{padding:10px 12px;border-bottom:1px solid var(--xk-border);text-align:left;vertical-align:top;}
table th{background:var(--xk-panel);color:#fff;font-weight:bold;white-space:nowrap;}
table tr:last-child td{border-bottom:none;}
.status-ok{color:var(--xk-green);font-weight:bold;}
.status-pending{color:var(--xk-orange);font-weight:bold;}
.status-na{color:var(--xk-muted);font-weight:bold;}

/* download cards */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.dl-card{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:20px;}
.dl-card img{width:80px;height:80px;margin:0 auto 12px;}
.dl-card h3{margin-top:0;text-align:center;}
.dl-card ul{font-size:13px;padding-left:18px;}
@media (max-width:980px){.dl-grid{grid-template-columns:1fr;}}

/* steps */
.steps-list{counter-reset:step;padding:0;list-style:none;max-width:800px;}
.steps-list li{counter-increment:step;position:relative;padding:12px 0 12px 44px;border-bottom:1px dashed var(--xk-border);}
.steps-list li:before{content:counter(step);position:absolute;left:0;top:10px;width:28px;height:28px;border-radius:50%;background:var(--xk-green);color:#fff;font-size:13px;font-weight:bold;display:flex;align-items:center;justify-content:center;}
.step-err{color:var(--xk-red);font-size:12.5px;margin-top:4px;}

/* checklist */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 24px;padding:0;list-style:none;margin-top:16px;}
.check-list li{font-size:13.5px;padding-left:22px;position:relative;}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--xk-green);font-weight:bold;}
@media (max-width:600px){.check-list{grid-template-columns:1fr;}}

/* fee cards */
.fee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px;}
.fee-card{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:8px;padding:12px;text-align:center;font-size:12.5px;font-weight:bold;color:var(--xk-navy);}
@media (max-width:760px){.fee-grid{grid-template-columns:repeat(2,1fr);}}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.news-card{background:var(--xk-white);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:16px 18px;}
.news-card .news-date{font-size:12px;color:var(--xk-muted);}
.news-card h3{margin:6px 0 8px;font-size:15px;}
.news-card p{font-size:13px;margin:4px 0;}
.news-src{font-size:11.5px;color:var(--xk-muted);margin-top:8px;}
@media (max-width:760px){.news-grid{grid-template-columns:1fr;}}

/* faq */
.faq-list{max-width:840px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--xk-border);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:15px 4px;font-size:14.5px;font-weight:bold;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--xk-text);}
.faq-q .qmark{color:var(--xk-cyan);font-size:18px;}
.faq-a{display:none;font-size:13.5px;color:var(--xk-text);padding:0 4px 15px;}
.faq-a.open{display:block;}

/* footer */
footer{background:var(--xk-navy);color:#b9cfc4;padding:44px 0 20px;}
.footer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:30px;}
.footer-col h4{color:#fff;font-size:14px;margin:0 0 12px;}
.footer-col a,.footer-col span{display:block;color:#9fbcae;font-size:13px;margin-bottom:8px;}
.footer-col a:hover{color:#fff;}
.footer-note{font-size:13px;color:#8eaa9c;border-top:1px solid #1c3a34;padding-top:18px;max-width:840px;}
.footer-bottom{font-size:12px;color:#7a9689;margin-top:14px;}
@media (max-width:980px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.footer-grid{grid-template-columns:1fr;}}

#back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--xk-green);color:#fff;border:none;font-size:18px;cursor:pointer;display:none;box-shadow:0 2px 10px rgba(0,0,0,0.25);z-index:60;}
#back-top.show{display:block;}

@media (max-width:760px){
  section{padding:34px 0;}
  h2{font-size:19px;}
  .hero-copy h1{font-size:22px;}
}