:root {
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(174, 0, 0);
    --text: #1f1f1f;
    --muted: #666;
    --light: #f6f7f9;
    --line: #e7e7e7;
    --white: #fff;
    --shadow: 0 12px 32px rgba(0, 0, 0, .08);
    --radius: 18px;
}
* { 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;
    color: var(--text);
    background: #fff;
    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% - 28px)); margin: 0 auto; }
.top-red-bar { display: none; background: var(--brand); color: #fff; font-size: 13px; }
.top-red-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.site-header { position: relative; z-index: 30; background: #fff; box-shadow: 0 2px 16px rgba(0,0,0,.05); }
.desktop-header { display: none; background: #fff; }
.mobile-header {
    height: 58px;
    display: grid;
    grid-template-columns: 52px 1fr 72px;
    align-items: center;
    padding: 0 12px;
    background: #fff;
}
.menu-button {
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-button span { display: block; height: 2px; width: 22px; background: #202020; border-radius: 9px; }
.mobile-logo { justify-self: center; }
.mobile-logo img { width: 116px; max-height: 38px; object-fit: contain; }
.mobile-action, .top-action {
    background: var(--brand);
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 8px 18px rgba(213,5,5,.18);
}
.mobile-action { padding: 7px 13px; font-size: 14px; justify-self: end; }
.top-action { padding: 10px 22px; white-space: nowrap; }
.mobile-action:hover, .top-action:hover, .main-btn:hover { background: var(--brand-dark); }
.mobile-nav {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px 14px 14px;
    border-top: 1px solid var(--line);
    background: #fff;
}
.mobile-nav.open { display: grid; }
.mobile-nav a { padding: 10px 12px; border-radius: 12px; background: var(--light); color: #333; font-size: 14px; }
.mobile-nav a.active { background: var(--brand); color: #fff; }
.brand-logo img, .footer-logo img { width: 146px; max-height: 48px; object-fit: contain; }
.search-icon {
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 50%;
    position: relative;
    flex: 0 0 auto;
}
.search-icon::before {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border: 2px solid #555;
    border-radius: 50%;
    left: 9px;
    top: 8px;
}
.search-icon::after {
    content: "";
    position: absolute;
    width: 8px;
    height: 2px;
    background: #555;
    transform: rotate(45deg);
    left: 20px;
    top: 21px;
    border-radius: 4px;
}
.section { padding: 52px 0; }
.section.alt { background: var(--light); }
.section-head { margin-bottom: 24px; max-width: 860px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow { color: var(--brand); font-weight: 800; letter-spacing: .08em; font-size: 13px; }
h1, h2, h3 { line-height: 1.32; margin: 0 0 12px; color: #151515; }
h1 { font-size: clamp(30px, 6vw, 54px); }
h2 { font-size: clamp(24px, 4vw, 36px); }
h3 { font-size: 20px; }
p { margin: 0 0 14px; color: #4b4b4b; }
.lead { font-size: 17px; color: #3c3c3c; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 24px;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(213,5,5,.18);
}
.text-link { color: var(--brand); font-weight: 800; }
.sports-hero { background: linear-gradient(180deg, #fff 0%, #fafafa 100%); }
.banner-slider {
    position: relative;
    overflow: hidden;
    background: #f1f1f1;
}
.banner-slide { display: none; position: relative; }
.banner-slide.active { display: block; }
.banner-slide img { width: 100%; height: auto; object-fit: contain; background: #f2f2f2; }
.banner-overlay {
    position: static;
    background: #fff;
    padding: 20px 14px 24px;
}
.banner-overlay .tag { color: var(--brand); font-weight: 900; font-size: 13px; letter-spacing: .1em; }
.banner-overlay h1, .banner-overlay h2 { margin-top: 8px; }
.banner-overlay p { max-width: 680px; }
.slider-dots { position: absolute; left: 0; right: 0; bottom: 12px; display: flex; justify-content: center; gap: 8px; z-index: 2; }
.slider-dot { width: 9px; height: 9px; border-radius: 50%; border: 0; background: rgba(255,255,255,.72); cursor: pointer; }
.slider-dot.active { background: var(--brand); width: 24px; border-radius: 999px; }
.slider-arrow { display: none; }
.hero-note { background: #fff; border-bottom: 1px solid var(--line); }
.hero-note-inner { display: flex; flex-direction: column; gap: 14px; padding: 18px 0; }
.category-grid, .service-grid, .focus-grid, .security-grid, .article-grid, .info-grid, .data-cards, .feature-list, .related-grid { display: grid; gap: 16px; }
.category-grid { grid-template-columns: 1fr; }
.sports-card, .service-card, .focus-card, .score-card, .data-panel, .security-card, .faq-item, .info-card, .related-card, .notice-card, .step-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 8px 26px rgba(0,0,0,.04);
}
.sports-card .label, .service-card .label, .focus-card .status, .score-tag {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(213,5,5,.08);
    color: var(--brand);
    font-weight: 800;
    font-size: 12px;
    margin-bottom: 10px;
}
.sports-card:hover, .service-card:hover, .focus-card:hover, .related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); transition: .2s ease; }
.focus-grid, .service-grid { grid-template-columns: 1fr; }
.split-section { display: grid; gap: 28px; align-items: center; }
.split-image { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); background: #eee; }
.split-image img { width: 100%; height: auto; }
.check-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 26px; color: #383838; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }
.score-panel { display: grid; gap: 16px; }
.score-card strong { display: block; font-size: 28px; color: var(--brand); margin-bottom: 4px; }
.data-panel { background: #fff; }
.data-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.data-row:last-child { border-bottom: 0; }
.data-row span:last-child { color: var(--brand); font-weight: 800; }
.app-showcase { background: linear-gradient(180deg, #fff 0%, #f7f7f7 100%); }
.platform-info { background: #fff; }
.info-card h3 { display: flex; align-items: center; gap: 8px; }
.info-card h3::before { content: ""; width: 9px; height: 22px; border-radius: 99px; background: var(--brand); display: inline-block; }
.responsible-play-section { background: #fff5f5; border-top: 1px solid rgba(213,5,5,.12); border-bottom: 1px solid rgba(213,5,5,.12); }
.responsible-box { background: #fff; border: 1px solid rgba(213,5,5,.16); border-radius: 24px; padding: 24px; }
.faq-list { display: grid; gap: 12px; }
.faq-question { width: 100%; border: 0; background: transparent; text-align: left; display: flex; justify-content: space-between; gap: 16px; font: inherit; font-weight: 800; color: #1a1a1a; padding: 0; cursor: pointer; }
.faq-question::after { content: "+"; color: var(--brand); font-size: 24px; line-height: 1; }
.faq-item.open .faq-question::after { content: "−"; }
.faq-answer { display: none; padding-top: 12px; }
.faq-item.open .faq-answer { display: block; }
.cta-section { background: var(--brand); color: #fff; padding: 48px 0; }
.cta-section h2, .cta-section p { color: #fff; }
.cta-wrap { display: grid; gap: 18px; align-items: center; }
.cta-section .main-btn { background: #fff; color: var(--brand); box-shadow: none; }
.page-hero { background: linear-gradient(180deg, #fff 0%, #f7f7f7 100%); padding: 44px 0; border-bottom: 1px solid var(--line); }
.breadcrumb { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.breadcrumb a { color: var(--brand); font-weight: 700; }
.page-layout { display: grid; gap: 24px; }
.article-content { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: 0 8px 26px rgba(0,0,0,.04); }
.article-content h2 { margin-top: 28px; }
.article-content h2:first-child { margin-top: 0; }
.article-content ul, .article-content ol { margin: 12px 0 20px; padding-left: 22px; color: #3b3b3b; }
.article-content li { margin-bottom: 8px; }
.side-panel { display: grid; gap: 16px; }
.notice-card { background: #fff7f7; border-color: rgba(213,5,5,.16); }
.step-grid { display: grid; gap: 16px; counter-reset: step; }
.step-card { position: relative; padding-left: 64px; }
.step-card::before { counter-increment: step; content: counter(step); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 800; }
.related-grid { grid-template-columns: 1fr; }
.site-footer { background: #202020; color: #e9e9e9; padding: 44px 0 22px; }
.site-footer p { color: #cfcfcf; }
.footer-grid { display: grid; gap: 24px; }
.footer-grid h3 { color: #fff; font-size: 17px; }
.footer-grid a { display: block; color: #d7d7d7; margin: 8px 0; }
.footer-grid a:hover { color: #fff; }
.footer-logo img { filter: brightness(0) invert(1); }
.footer-note { margin-top: 26px; border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; font-size: 13px; }
.only-mobile { display: block; }
.only-desktop { display: none; }
@media (min-width: 640px) {
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .focus-grid, .service-grid, .security-grid, .article-grid, .data-cards, .related-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-note-inner, .cta-wrap { grid-template-columns: 1fr auto; }
}
@media (min-width: 900px) {
    .top-red-bar, .desktop-header { display: block; }
    .mobile-header, .mobile-nav { display: none !important; }
    .desktop-nav-wrap { height: 74px; display: flex; align-items: center; gap: 22px; }
    .desktop-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; }
    .desktop-nav a { padding: 10px 15px; border-radius: 999px; font-weight: 700; color: #333; white-space: nowrap; }
    .desktop-nav a:hover { color: var(--brand); }
    .desktop-nav a.active { background: var(--brand); color: #fff; }
    .banner-slide img { height: 520px; object-fit: cover; }
    .banner-overlay {
        position: absolute;
        left: max(40px, calc((100% - 1180px) / 2));
        top: 50%;
        transform: translateY(-50%);
        width: min(520px, 42vw);
        background: rgba(255,255,255,.92);
        border-radius: 24px;
        padding: 32px;
        box-shadow: var(--shadow);
    }
    .slider-arrow {
        display: grid;
        place-items: center;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 3;
        width: 44px;
        height: 44px;
        border: 0;
        border-radius: 50%;
        background: rgba(255,255,255,.85);
        color: var(--brand);
        font-size: 30px;
        cursor: pointer;
    }
    .slider-prev { left: 24px; }
    .slider-next { right: 24px; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .focus-grid { grid-template-columns: repeat(4, 1fr); }
    .service-grid { grid-template-columns: repeat(3, 1fr); }
    .split-section { grid-template-columns: 1fr 1fr; gap: 44px; }
    .score-panel { grid-template-columns: 1.1fr .9fr; align-items: start; }
    .data-cards { grid-template-columns: repeat(3, 1fr); }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .security-grid { grid-template-columns: repeat(3, 1fr); }
    .page-layout { grid-template-columns: 1fr 320px; align-items: start; }
    .article-content { padding: 34px; }
    .step-grid { grid-template-columns: repeat(4, 1fr); }
    .related-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr repeat(3, .8fr); }
    .only-mobile { display: none; }
    .only-desktop { display: block; }
}