:root{--primary:rgb(176, 219, 245);--primary-deep:#0f5d87;--blue:#0f4770;--blue-soft:#eef8ff;--blue-line:#cfeaff;--text:#111827;--muted:#5f6f7f;--gray:#f5f7fa;--dark:#092c46;--white:#fff;--shadow:0 16px 36px rgba(15,71,112,.09);--radius:20px;}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff;color:var(--text);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{background:#fff;border-bottom:1px solid #e8f2f8;position:sticky;top:0;z-index:30}
.mobile-header{height:64px;display:grid;grid-template-columns:80px 1fr 86px;align-items:center;padding:0 14px;background:#fff}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:38px;width:auto;object-fit:contain}
.mobile-logo{justify-content:center}
.menu-button{width:44px;height:44px;border:0;background:#fff;border-radius:12px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 11px}
.menu-button span{height:2px;background:#123a56;border-radius:10px;width:22px}
.top-action-button,.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#092c46;border-radius:999px;font-weight:700;box-shadow:0 8px 18px rgba(15,71,112,.12);transition:.2s ease;border:1px solid rgba(15,71,112,.08)}
.top-action-button{min-height:38px;padding:0 17px;font-size:14px}
.main-btn{min-height:48px;padding:0 26px;font-size:16px}
.top-action-button:hover,.main-btn:hover{background:#0f5d87;color:#fff;transform:translateY(-1px)}
.mobile-nav{display:none;background:#fff;border-top:1px solid #edf5fb;padding:8px 16px 16px;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav.open{display:grid}
.mobile-nav a{padding:10px 12px;background:#f5fbff;border:1px solid #e3f1fb;border-radius:12px;color:#153c58;font-weight:600;font-size:14px}
.desktop-header{display:none;height:78px;align-items:center;gap:28px}
.desktop-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.desktop-nav a{padding:10px 12px;border-radius:999px;color:#29445a;font-weight:650;font-size:15px}
.desktop-nav a.active,.desktop-nav a:hover{background:var(--primary);color:#092c46}
.search-icon{width:34px;height:34px;border:1.6px solid #b7d9ec;border-radius:50%;position:relative;display:inline-block}
.search-icon:after{content:"";position:absolute;width:9px;height:2px;background:#6a92aa;right:1px;bottom:4px;transform:rotate(45deg);border-radius:4px}
.section{padding:58px 0}
.section-head{margin-bottom:26px}
.badge,.category-badge{display:inline-flex;align-items:center;border-radius:999px;background:#eaf7ff;color:#0f5d87;border:1px solid #cdefff;padding:6px 12px;font-size:13px;font-weight:800;margin-bottom:12px}
h1,h2,h3{line-height:1.25;margin:0 0 14px;color:#092c46}
h1{font-size:34px;letter-spacing:-.5px}
h2{font-size:27px}
h3{font-size:20px}
p{margin:0 0 14px;color:#4c5f70}
.sports-hero{background:linear-gradient(180deg,#f4fbff 0%,#fff 100%);padding:42px 0 34px}
.hero-grid{display:grid;gap:26px;align-items:center}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 22px}
.hero-tags span{background:#fff;border:1px solid #d9edf8;color:#0f5d87;border-radius:999px;padding:7px 12px;font-weight:700;font-size:14px}
.banner-section{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);min-height:260px;background:#dceef9}
.banner-section img{width:100%;height:100%;object-fit:cover;min-height:260px}
.hero-data-cards{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}
.hero-data-card,.sports-card,.service-card,.info-card,.faq-item,.score-card,.data-card{background:#fff;border:1px solid #dceff9;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.hero-data-card strong{display:block;color:#092c46;font-size:20px}
.hero-data-card span{color:#6b7f90;font-size:14px}
.category-grid,.service-grid,.security-grid,.faq-grid,.content-grid,.score-grid,.data-grid{display:grid;gap:18px}
.category-grid{grid-template-columns:1fr}
.sports-card a,.text-link{color:#0f5d87;font-weight:800}
.sports-card p,.service-card p,.info-card p{font-size:15px}
.service-card .tag{display:inline-block;background:#eaf7ff;color:#0f5d87;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;margin-bottom:10px}
.split-section{display:grid;gap:26px;align-items:center}
.split-section .media-card{border-radius:24px;background:#f5fbff;border:1px solid #dceff9;padding:14px;box-shadow:var(--shadow)}
.feature-list{display:grid;gap:12px;margin-top:16px}
.feature-list div,.checklist li{background:#fff;border:1px solid #dceff9;border-radius:16px;padding:13px 15px;color:#41586b}
.score-panel,.data-panel{background:#f5fbff;border:1px solid #dceff9;border-radius:24px;padding:18px;box-shadow:var(--shadow)}
.score-card{box-shadow:none}
.score-card .status{display:inline-block;background:var(--primary);color:#092c46;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800}
.score-line{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;color:#092c46;font-weight:800}
.score-line span:nth-child(2){font-size:24px}
.data-grid{grid-template-columns:1fr}
.data-card{box-shadow:none}
.data-card strong{display:block;color:#092c46}
.app-showcase{background:#f5fbff;border-top:1px solid #dceff9;border-bottom:1px solid #dceff9}
.app-frame{display:grid;gap:26px;align-items:center}
.app-frame img{border-radius:28px;box-shadow:var(--shadow);margin:auto;max-height:520px}
.security-section{background:#fff}
.responsible-play-section{background:#eaf7ff}
.responsible-box{background:#0f4770;color:#fff;border-radius:24px;padding:24px;box-shadow:var(--shadow)}
.responsible-box h2,.responsible-box p{color:#fff}
.responsible-box .content-grid{margin-top:16px}
.responsible-box .info-card{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);box-shadow:none}
.responsible-box .info-card h3,.responsible-box .info-card p{color:#fff}
.cta-section{padding:56px 0;background:#0f4770;color:#fff;text-align:center}
.cta-section h2,.cta-section p{color:#fff}
.page-hero{background:linear-gradient(180deg,#f4fbff 0%,#fff 100%);padding:52px 0 32px}
.page-hero .summary{font-size:18px;max-width:820px;color:#41586b}
.content-section{padding:44px 0}
.article-layout{display:grid;gap:20px}
.checklist{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.checklist li:before{content:"✓";color:#0f5d87;font-weight:900;margin-right:8px}
.faq-item h3{font-size:18px}
.site-footer{background:#092c46;color:#d7eafa;padding:44px 0 22px}
.footer-grid{display:grid;gap:24px}
.site-footer a{display:block;color:#d7eafa;margin:8px 0}
.site-footer h3{color:#fff;font-size:17px}
.site-footer p{color:#d7eafa}
.footer-brand img{height:42px;margin-bottom:14px}
.footer-note{border-top:1px solid rgba(255,255,255,.14);margin-top:26px;padding-top:18px;font-size:14px}
@media (min-width:640px){.category-grid,.service-grid,.security-grid,.faq-grid,.content-grid{grid-template-columns:repeat(2,1fr)}.hero-data-cards{grid-template-columns:repeat(3,1fr)}h1{font-size:42px}}
@media (min-width:900px){.mobile-header,.mobile-nav{display:none!important}.desktop-header{display:flex}.sports-hero{padding:72px 0 58px}.hero-grid{grid-template-columns:1.02fr .98fr}.category-grid,.service-grid{grid-template-columns:repeat(3,1fr)}.split-section,.app-frame{grid-template-columns:1fr 1fr}.score-grid,.data-grid{grid-template-columns:repeat(3,1fr)}.article-layout{grid-template-columns:1.2fr .8fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}h1{font-size:52px}h2{font-size:34px}}