:root {
    --main: rgb(213, 5, 5);
    --main-dark: rgb(174, 0, 0);
    --text: #171717;
    --muted: #686868;
    --light: #f6f6f6;
    --line: #e9e9e9;
    --white: #ffffff;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    --soft-shadow: 0 8px 22px rgba(0, 0, 0, 0.06);
    --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "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% - 32px)); margin: 0 auto; }
.site-header { background: #fff; position: relative; z-index: 20; }
.top-red-bar { display: none; background: var(--main); color: #fff; font-size: 13px; }
.bar-inner { display: flex; justify-content: space-between; gap: 20px; padding: 7px 0; }
.mobile-header {
    height: 62px;
    display: grid;
    grid-template-columns: 70px 1fr 76px;
    align-items: center;
    padding: 0 14px;
    border-bottom: 1px solid var(--line);
    background: #fff;
}
.menu-toggle {
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-toggle span { width: 24px; height: 2px; background: #111; border-radius: 5px; }
.mobile-logo { justify-self: center; }
.mobile-logo img { height: 34px; width: auto; }
.top-action {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 18px;
    border-radius: 999px;
    background: var(--main);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 8px 18px rgba(213, 5, 5, 0.18);
}
.top-action:hover, .main-btn:hover { background: var(--main-dark); }
.mobile-nav {
    display: none;
    background: #fff;
    padding: 10px 16px 16px;
    border-bottom: 1px solid var(--line);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}
.mobile-nav.is-open { display: grid; }
.mobile-nav a {
    padding: 10px 12px;
    border-radius: 12px;
    background: #f7f7f7;
    color: #333;
    font-size: 14px;
}
.mobile-nav a.is-active { background: var(--main); color: #fff; font-weight: 700; }
.desktop-header { display: none; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 26px;
    border-radius: 999px;
    background: var(--main);
    color: #fff;
    font-weight: 800;
    box-shadow: 0 12px 24px rgba(213, 5, 5, 0.2);
}
.text-link { color: var(--main); font-weight: 800; }
.text-link:hover { color: var(--main-dark); }
.section { padding: 46px 0; }
.section-alt { background: var(--light); }
.section-title { margin-bottom: 22px; }
.section-title .eyebrow, .eyebrow {
    display: inline-flex;
    color: var(--main);
    background: rgba(213, 5, 5, 0.08);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 10px;
}
h1, h2, h3 { line-height: 1.25; margin: 0 0 12px; color: #111; }
h1 { font-size: clamp(30px, 6vw, 58px); letter-spacing: -0.04em; }
h2 { font-size: clamp(24px, 4vw, 38px); letter-spacing: -0.03em; }
h3 { font-size: 20px; }
p { margin: 0 0 14px; color: var(--muted); }
.hero-slider {
    position: relative;
    overflow: hidden;
    background: #fff;
}
.slider-track { position: relative; min-height: 260px; }
.slide {
    display: none;
    position: relative;
    min-height: 260px;
    background: #f7f7f7;
}
.slide.is-active { display: block; }
.slide img {
    width: 100%;
    height: 260px;
    object-fit: cover;
}
.slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.56), rgba(0,0,0,0.08));
}
.slide-content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    color: #fff;
    padding: 22px 18px;
    width: min(1180px, 100%);
    margin: 0 auto;
    left: 50%;
    transform: translateX(-50%);
}
.slide-content h1, .slide-content h2 { color: #fff; max-width: 680px; margin-bottom: 4px; }
.slide-content p { color: rgba(255,255,255,0.88); max-width: 610px; font-size: 15px; }
.slider-dots {
    position: absolute;
    z-index: 3;
    left: 50%;
    bottom: 15px;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    border: 0;
    background: rgba(255,255,255,0.65);
    cursor: pointer;
}
.slider-dot.is-active { width: 26px; background: var(--main); }
.slider-arrow {
    display: none;
    position: absolute;
    top: 50%;
    z-index: 3;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 0;
    background: rgba(255,255,255,0.86);
    color: #111;
    font-size: 26px;
    cursor: pointer;
}
.slider-prev { left: 22px; }
.slider-next { right: 22px; }
.hero-note { padding: 12px 0; font-size: 14px; color: #666; background: #fff; border-bottom: 1px solid var(--line); }
.category-grid, .service-grid, .focus-grid, .faq-grid, .security-grid, .score-grid, .page-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.sports-card, .focus-card, .service-card, .faq-item, .security-card, .score-card, .page-card, .content-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--soft-shadow);
}
.sports-card .tag, .focus-card .status, .service-card .tag, .score-card .tag, .page-card .tag {
    display: inline-flex;
    color: var(--main);
    background: rgba(213, 5, 5, 0.08);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 10px;
}
.sports-card p, .focus-card p, .service-card p, .score-card p, .page-card p { font-size: 15px; }
.feature-split, .app-showcase, .data-split, .platform-split, .page-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
}
.image-card {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #f3f3f3;
}
.image-card img { width: 100%; height: auto; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 10px; }
.check-list li, .plain-list li {
    position: relative;
    padding-left: 26px;
    color: #4b4b4b;
}
.check-list li::before, .plain-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--main);
}
.data-panel {
    background: #fff;
    border-radius: 24px;
    border: 1px solid var(--line);
    padding: 18px;
    box-shadow: var(--shadow);
}
.score-line {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 10px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-weight: 800;
}
.score-line:last-child { border-bottom: 0; }
.score-line span:nth-child(2) { color: var(--main); font-size: 20px; }
.info-list { display: grid; gap: 14px; margin-top: 18px; }
.info-item { padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.responsible-box {
    background: linear-gradient(135deg, rgba(213, 5, 5, 0.10), #fff);
    border: 1px solid rgba(213, 5, 5, 0.18);
    border-radius: 24px;
    padding: 24px;
}
.cta-box {
    background: var(--main);
    color: #fff;
    border-radius: 28px;
    padding: 28px;
    display: grid;
    gap: 16px;
    align-items: center;
}
.cta-box h2, .cta-box p { color: #fff; }
.cta-box .main-btn { background: #fff; color: var(--main); justify-self: start; box-shadow: none; }
.cta-box .main-btn:hover { background: #f2f2f2; }
.page-hero {
    background: linear-gradient(135deg, rgba(213, 5, 5, 0.12), #fff 50%, #f7f7f7);
    padding: 44px 0;
    border-bottom: 1px solid var(--line);
}
.page-hero p { max-width: 820px; font-size: 16px; }
.breadcrumbs { font-size: 14px; color: #777; margin-bottom: 12px; }
.breadcrumbs a { color: var(--main); font-weight: 700; }
.notice-box {
    padding: 18px;
    border-radius: 18px;
    border: 1px solid rgba(213, 5, 5, 0.18);
    background: rgba(213, 5, 5, 0.06);
    color: #4b4b4b;
}
.step-list { counter-reset: steps; list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 14px; }
.step-list li {
    counter-increment: steps;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px 18px 18px 58px;
    position: relative;
    color: #4d4d4d;
}
.step-list li::before {
    content: counter(steps);
    position: absolute;
    left: 18px;
    top: 18px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--main);
    color: #fff;
    font-weight: 800;
}
.related-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.related-links a { padding: 9px 14px; border-radius: 999px; background: #f5f5f5; color: #333; font-weight: 700; }
.related-links a:hover { background: var(--main); color: #fff; }
.site-footer { background: #111; color: #fff; padding-top: 42px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.footer-logo { height: 40px; width: auto; margin-bottom: 14px; }
.site-footer h3 { color: #fff; font-size: 17px; }
.site-footer p { color: rgba(255,255,255,0.68); font-size: 14px; }
.site-footer a { display: block; color: rgba(255,255,255,0.72); margin: 8px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 28px; border-top: 1px solid rgba(255,255,255,0.12); padding: 16px 0; color: rgba(255,255,255,0.58); font-size: 13px; }
@media (min-width: 640px) {
    .category-grid, .service-grid, .score-grid, .page-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .focus-grid, .security-grid, .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .slide img, .slide, .slider-track { height: auto; min-height: 360px; }
    .slide img { height: 360px; }
}
@media (min-width: 960px) {
    .top-red-bar { display: block; }
    .mobile-header, .mobile-nav { display: none !important; }
    .desktop-header { display: block; background: #fff; border-bottom: 1px solid var(--line); }
    .nav-shell { height: 76px; display: flex; align-items: center; gap: 18px; }
    .brand img { height: 44px; width: auto; }
    .search-mark { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; position: relative; flex: 0 0 auto; }
    .search-mark::before { content: ""; position: absolute; width: 10px; height: 10px; border: 2px solid #555; border-radius: 50%; left: 10px; top: 9px; }
    .search-mark::after { content: ""; position: absolute; width: 8px; height: 2px; background: #555; transform: rotate(45deg); left: 21px; top: 23px; border-radius: 2px; }
    .desktop-nav { flex: 1; display: flex; justify-content: center; align-items: center; gap: 8px; }
    .desktop-nav a { padding: 9px 14px; border-radius: 999px; font-weight: 700; color: #333; white-space: nowrap; }
    .desktop-nav a:hover, .desktop-nav a.is-active { background: var(--main); color: #fff; }
    .top-action { min-width: 90px; }
    .slide, .slider-track { min-height: 520px; }
    .slide img { height: 520px; }
    .slide-content { padding: 60px 20px; }
    .slide-content p { font-size: 18px; }
    .slider-arrow { display: block; }
    .section { padding: 72px 0; }
    .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .focus-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .feature-split, .app-showcase, .data-split, .platform-split, .page-split { grid-template-columns: 1.05fr 0.95fr; gap: 42px; }
    .reverse { grid-template-columns: 0.95fr 1.05fr; }
    .score-grid, .security-grid, .page-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cta-box { grid-template-columns: 1fr auto; padding: 38px 46px; }
    .footer-grid { grid-template-columns: 1.5fr 0.8fr 0.8fr 1.1fr; }
    .page-hero { padding: 72px 0; }
}
@media (min-width: 1180px) {
    .desktop-nav { gap: 12px; }
    .desktop-nav a { padding: 10px 17px; }
}