:root {
    --primary: rgb(213, 5, 5);
    --primary-dark: rgb(178, 4, 4);
    --text: #1f1f1f;
    --muted: #666666;
    --light: #f6f7f9;
    --line: #e8e8e8;
    --white: #ffffff;
    --dark: #111111;
    --radius: 18px;
    --shadow: 0 12px 28px rgba(0, 0, 0, .08);
}
* {
    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: var(--white);
    line-height: 1.75;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}
.site-header {
    background: var(--white);
    position: relative;
    z-index: 20;
}
.top-red-bar {
    display: none;
    background: var(--primary);
    color: var(--white);
    font-size: 13px;
}
.top-red-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 34px;
}
.mobile-header {
    height: 64px;
    display: grid;
    grid-template-columns: 56px 1fr 82px;
    align-items: center;
    padding: 0 12px;
    border-bottom: 1px solid var(--line);
    background: var(--white);
}
.menu-btn {
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}
.menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
}
.mobile-logo {
    justify-self: center;
}
.mobile-logo img {
    height: 34px;
    width: auto;
}
.top-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    background: var(--primary);
    color: var(--white);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 8px 18px rgba(213, 5, 5, .22);
}
.top-action:hover,
.main-btn:hover {
    background: var(--primary-dark);
}
.mobile-nav {
    display: none;
    flex-direction: column;
    padding: 8px 16px 14px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .04);
}
.mobile-nav.show {
    display: flex;
}
.mobile-nav a {
    padding: 12px 6px;
    color: #333333;
    border-bottom: 1px solid #f0f0f0;
}
.mobile-nav a.active {
    color: var(--primary);
    font-weight: 700;
}
.desktop-header {
    display: none;
}
.brand img {
    height: 48px;
    width: auto;
}
.search-icon {
    width: 34px;
    height: 34px;
    border: 2px solid #d8d8d8;
    border-radius: 50%;
    position: relative;
    flex: 0 0 auto;
}
.search-icon:after {
    content: "";
    position: absolute;
    width: 10px;
    height: 2px;
    background: #d8d8d8;
    transform: rotate(45deg);
    right: -5px;
    bottom: 3px;
    border-radius: 2px;
}
.desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
}
.desktop-nav a {
    padding: 9px 14px;
    border-radius: 999px;
    color: #222222;
    font-weight: 700;
    font-size: 15px;
    white-space: nowrap;
}
.desktop-nav a.active,
.desktop-nav a:hover {
    background: var(--primary);
    color: var(--white);
}
.desktop-action {
    min-width: 88px;
}
.section {
    padding: 58px 0;
}
.section-light {
    background: var(--light);
}
.section-head {
    margin-bottom: 28px;
}
.section-kicker {
    display: inline-flex;
    color: var(--primary);
    background: rgba(213, 5, 5, .08);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 10px;
}
.section h1,
.section h2,
.page-hero h1 {
    margin: 0 0 14px;
    line-height: 1.25;
    color: var(--dark);
}
.section h1,
.page-hero h1 {
    font-size: clamp(30px, 6vw, 48px);
}
.section h2 {
    font-size: clamp(24px, 4vw, 36px);
}
.lead {
    color: var(--muted);
    max-width: 850px;
    margin: 0;
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 24px;
    border-radius: 999px;
    background: var(--primary);
    color: var(--white);
    font-weight: 800;
    box-shadow: 0 12px 24px rgba(213, 5, 5, .24);
}
.text-link {
    color: var(--primary);
    font-weight: 800;
}
.banner-slider {
    position: relative;
    overflow: hidden;
    background: #f2f2f2;
}
.slider-track {
    position: relative;
}
.slide {
    display: none;
    position: relative;
}
.slide.active {
    display: block;
}
.slide img {
    width: 100%;
    height: auto;
}
.hero-copy {
    padding: 20px 16px 28px;
    background: var(--white);
}
.hero-copy .section-kicker {
    margin-bottom: 8px;
}
.hero-copy h1 {
    margin: 0 0 12px;
    font-size: clamp(28px, 7vw, 54px);
    line-height: 1.18;
}
.hero-copy p {
    margin: 0 0 18px;
    color: var(--muted);
}
.slider-dots {
    position: absolute;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .75);
    cursor: pointer;
}
.slider-dot.active {
    width: 24px;
    border-radius: 999px;
    background: var(--primary);
}
.slider-prev,
.slider-next {
    display: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .9);
    color: var(--primary);
    font-size: 28px;
    cursor: pointer;
    z-index: 4;
}
.slider-prev {
    left: 24px;
}
.slider-next {
    right: 24px;
}
.hero-note {
    background: var(--white);
    border-bottom: 1px solid var(--line);
}
.hero-note .container {
    padding: 16px 0;
    color: var(--muted);
    font-size: 15px;
}
.category-grid,
.service-grid,
.focus-grid,
.card-grid,
.security-grid,
.faq-grid,
.score-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}
.sports-card,
.service-card,
.focus-card,
.info-card,
.security-card,
.faq-item,
.score-card,
.data-panel {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, .05);
}
.sports-card {
    position: relative;
    overflow: hidden;
}
.sports-card:before,
.service-card:before,
.focus-card:before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--primary);
}
.card-tag,
.status-tag {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    background: rgba(213, 5, 5, .08);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 10px;
}
.sports-card h3,
.service-card h3,
.focus-card h3,
.info-card h3,
.security-card h3,
.score-card h3,
.faq-item h3 {
    margin: 0 0 10px;
    color: var(--dark);
    line-height: 1.35;
}
.sports-card p,
.service-card p,
.focus-card p,
.info-card p,
.security-card p,
.score-card p,
.faq-item p {
    margin: 0 0 14px;
    color: var(--muted);
}
.focus-card {
    position: relative;
}
.focus-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.status-tag.neutral {
    color: #444444;
    background: #f1f1f1;
}
.two-col,
.app-showcase,
.platform-info,
.data-layout {
    display: grid;
    gap: 28px;
    align-items: center;
}
.image-card {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
}
.image-card img {
    width: 100%;
}
.check-list {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 20px 0 0;
    list-style: none;
}
.check-list li {
    padding-left: 28px;
    position: relative;
    color: #3a3a3a;
}
.check-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(213, 5, 5, .1);
}
.score-panel {
    background: var(--dark);
    color: var(--white);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow);
}
.score-panel h3 {
    margin: 0 0 16px;
}
.score-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 12px;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,.14);
}
.score-row:last-child {
    border-bottom: 0;
}
.score-num {
    color: var(--primary);
    font-size: 24px;
    font-weight: 900;
}
.data-panel {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}
.app-box {
    background: var(--white);
    border-radius: 24px;
    border: 1px solid var(--line);
    padding: 24px;
    box-shadow: var(--shadow);
}
.info-columns {
    display: grid;
    gap: 18px;
}
.notice-box {
    border-left: 5px solid var(--primary);
    background: #fff7f7;
    border-radius: 16px;
    padding: 22px;
    color: #333333;
}
.notice-box p {
    margin: 0;
}
.page-hero {
    padding: 50px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f7f7f7 100%);
    border-bottom: 1px solid var(--line);
}
.page-hero .breadcrumb {
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 12px;
}
.page-layout {
    display: grid;
    gap: 26px;
}
.page-panel {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 24px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, .04);
}
.page-panel h2 {
    font-size: 24px;
    margin: 0 0 12px;
}
.page-panel p {
    color: var(--muted);
    margin: 0 0 16px;
}
.point-list {
    display: grid;
    gap: 14px;
    padding: 0;
    margin: 16px 0 0;
    list-style: none;
}
.point-list li {
    border: 1px solid var(--line);
    background: #fbfbfb;
    border-radius: 16px;
    padding: 16px;
}
.point-list strong {
    display: block;
    color: var(--dark);
    margin-bottom: 5px;
}
.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}
.link-row a {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 14px;
    color: #333333;
    background: var(--white);
}
.link-row a:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.cta-section {
    padding: 50px 0;
    background: #fff5f5;
}
.cta-box {
    border-radius: 26px;
    padding: 30px;
    background: var(--primary);
    color: var(--white);
    display: grid;
    gap: 18px;
    align-items: center;
}
.cta-box h2 {
    margin: 0;
    font-size: clamp(24px, 4vw, 34px);
}
.cta-box p {
    margin: 0;
    opacity: .92;
}
.cta-box .main-btn {
    background: var(--white);
    color: var(--primary);
    box-shadow: none;
    justify-self: start;
}
.site-footer {
    background: #111111;
    color: #dddddd;
    padding: 42px 0 24px;
}
.footer-grid {
    display: grid;
    gap: 28px;
}
.footer-logo {
    height: 42px;
    width: auto;
    margin-bottom: 14px;
}
.site-footer h3 {
    margin: 0 0 14px;
    color: var(--white);
}
.site-footer a {
    display: block;
    color: #d7d7d7;
    margin: 8px 0;
}
.site-footer p {
    color: #cfcfcf;
    margin: 0 0 10px;
}
.footer-note {
    border-top: 1px solid rgba(255,255,255,.12);
    margin-top: 28px;
    padding-top: 18px;
    font-size: 13px;
}
@media (min-width: 640px) {
    .category-grid,
    .service-grid,
    .score-grid,
    .security-grid,
    .faq-grid,
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .focus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 900px) {
    .top-red-bar {
        display: block;
    }
    .mobile-header,
    .mobile-nav {
        display: none !important;
    }
    .desktop-header {
        display: block;
        background: var(--white);
        border-bottom: 1px solid var(--line);
    }
    .desktop-inner {
        min-height: 82px;
        display: flex;
        align-items: center;
        gap: 24px;
    }
    .banner-slider {
        max-height: 560px;
    }
    .slide img {
        height: 520px;
        object-fit: cover;
    }
    .hero-copy {
        position: absolute;
        top: 50%;
        left: max(48px, calc((100vw - 1180px) / 2));
        transform: translateY(-50%);
        width: min(520px, 44vw);
        background: rgba(255,255,255,.92);
        border-radius: 24px;
        padding: 28px;
        box-shadow: var(--shadow);
    }
    .slider-prev,
    .slider-next {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .focus-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .two-col,
    .app-showcase,
    .platform-info,
    .data-layout {
        grid-template-columns: 1.05fr .95fr;
    }
    .info-columns {
        grid-template-columns: repeat(2, 1fr);
    }
    .security-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .score-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-layout {
        grid-template-columns: 1fr 1fr;
    }
    .page-layout.single {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    .cta-box {
        grid-template-columns: 1fr auto;
        padding: 36px 42px;
    }
    .cta-box .main-btn {
        justify-self: end;
    }
}
@media (min-width: 1120px) {
    .desktop-nav {
        gap: 10px;
    }
    .desktop-nav a {
        padding: 10px 16px;
    }
}