* {
    box-sizing: border-box;
}

:root {
    --brand-red: rgb(213, 5, 5);
    --brand-red-dark: rgb(174, 4, 4);
    --text-main: #111111;
    --text-sub: #4b4b4b;
    --text-muted: #6f6f6f;
    --line: #ececec;
    --light: #f7f7f7;
    --soft-red: #fff2f2;
    --white: #ffffff;
    --shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
    --radius: 18px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text-main);
    background: #ffffff;
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.site-header {
    background: var(--white);
    position: relative;
    z-index: 20;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.top-red-bar {
    display: none;
    background: var(--brand-red);
    color: var(--white);
    font-size: 13px;
}

.top-red-inner {
    max-width: 1180px;
    margin: 0 auto;
    min-height: 30px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.desktop-header {
    display: none;
}

.mobile-header {
    height: 62px;
    display: grid;
    grid-template-columns: 54px 1fr 74px;
    align-items: center;
    padding: 0 12px;
    background: var(--white);
}

.site-logo {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.mobile-logo {
    justify-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.menu-button {
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
}

.menu-button span {
    height: 2px;
    width: 23px;
    background: #222222;
    border-radius: 4px;
    display: block;
}

.mobile-action,
.top-action,
.main-btn {
    background: var(--brand-red);
    color: var(--white);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 1px solid var(--brand-red);
    transition: all .2s ease;
}

.mobile-action {
    min-height: 36px;
    padding: 0 14px;
    font-size: 14px;
}

.top-action {
    min-height: 38px;
    padding: 0 22px;
    white-space: nowrap;
}

.main-btn {
    min-height: 46px;
    padding: 0 28px;
    font-size: 16px;
    box-shadow: 0 10px 20px rgba(213, 5, 5, 0.18);
}

.mobile-action:hover,
.top-action:hover,
.main-btn:hover {
    background: var(--brand-red-dark);
    border-color: var(--brand-red-dark);
    transform: translateY(-1px);
}

.mobile-nav {
    display: none;
    background: var(--white);
    border-top: 1px solid var(--line);
    padding: 10px 14px 16px;
}

.mobile-nav.open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.mobile-nav a {
    padding: 10px 12px;
    background: var(--light);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-main);
}

.mobile-nav a.active {
    background: var(--brand-red);
    color: var(--white);
}

.search-icon {
    width: 35px;
    height: 35px;
    border-radius: 999px;
    background: #f4f4f4;
    position: relative;
    flex: 0 0 auto;
}

.search-icon::before {
    content: "";
    width: 12px;
    height: 12px;
    border: 2px solid #555555;
    border-radius: 50%;
    position: absolute;
    left: 10px;
    top: 9px;
}

.search-icon::after {
    content: "";
    width: 8px;
    height: 2px;
    background: #555555;
    transform: rotate(45deg);
    position: absolute;
    left: 21px;
    top: 22px;
    border-radius: 2px;
}

.sports-hero {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}

.banner-slider {
    position: relative;
    overflow: hidden;
    background: #eeeeee;
}

.banner-slider .slide {
    display: none;
}

.banner-slider .slide.active {
    display: block;
}

.banner-slider img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.slider-arrows {
    display: none;
}

.slider-arrow {
    border: 0;
    background: rgba(255, 255, 255, 0.86);
    color: var(--brand-red);
    width: 42px;
    height: 42px;
    border-radius: 999px;
    font-size: 26px;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 12px;
    display: flex;
    justify-content: center;
    gap: 9px;
    z-index: 3;
}

.slider-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border-radius: 999px;
    border: 0;
    background: rgba(255, 255, 255, 0.8);
    cursor: pointer;
}

.slider-dot.active {
    width: 26px;
    background: var(--brand-red);
}

.hero-copy {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 18px 30px;
}

.hero-copy h1 {
    margin: 0 0 12px;
    font-size: 28px;
    line-height: 1.25;
}

.hero-copy p {
    margin: 0 0 20px;
    color: var(--text-sub);
}

.section {
    padding: 46px 18px;
}

.section.gray {
    background: var(--light);
}

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
}

.section-head {
    margin-bottom: 24px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    color: var(--brand-red);
    background: var(--soft-red);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
}

.section-head h2,
.page-section h2 {
    margin: 0 0 10px;
    font-size: 25px;
    line-height: 1.35;
}

.section-head p,
.page-section p {
    margin: 0;
    color: var(--text-sub);
}

.category-grid,
.service-grid,
.focus-grid,
.security-grid,
.score-grid,
.faq-grid,
.page-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.sports-card,
.service-card,
.focus-card,
.security-card,
.score-card,
.faq-item,
.page-card,
.info-point,
.link-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.04);
}

.sports-card .tag,
.service-card .tag,
.focus-card .status,
.score-card .status {
    display: inline-flex;
    align-items: center;
    background: var(--soft-red);
    color: var(--brand-red);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 10px;
}

.sports-card h3,
.service-card h3,
.focus-card h3,
.security-card h3,
.score-card h3,
.page-card h3,
.info-point h3,
.link-card h3 {
    margin: 0 0 8px;
    font-size: 19px;
}

.sports-card p,
.service-card p,
.focus-card p,
.security-card p,
.score-card p,
.page-card p,
.info-point p,
.link-card p {
    margin: 0;
    color: var(--text-sub);
}

.text-link {
    display: inline-flex;
    margin-top: 14px;
    color: var(--brand-red);
    font-weight: 700;
}

.text-link::after {
    content: "›";
    margin-left: 6px;
}

.split-section,
.app-showcase,
.platform-info,
.data-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
}

.split-image,
.app-image {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
}

.feature-list,
.check-list {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.feature-list li,
.check-list li {
    position: relative;
    padding-left: 22px;
    color: var(--text-sub);
}

.feature-list li::before,
.check-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--brand-red);
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 10px;
}

.score-panel {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.match-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 12px;
    align-items: center;
    border-bottom: 1px solid var(--line);
    padding: 14px 0;
}

.match-row:last-child {
    border-bottom: 0;
}

.match-team {
    font-weight: 700;
}

.match-score {
    color: var(--brand-red);
    font-weight: 800;
    background: var(--soft-red);
    padding: 5px 12px;
    border-radius: 999px;
}

.info-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.responsible-box,
.cta-box {
    background: var(--soft-red);
    border: 1px solid #ffd2d2;
    border-radius: 24px;
    padding: 24px;
}

.responsible-box p,
.cta-box p {
    color: var(--text-sub);
    margin: 0 0 16px;
}

.cta-box {
    text-align: center;
}

.cta-box h2 {
    margin: 0 0 10px;
}

.page-hero {
    background: linear-gradient(180deg, #fff6f6 0%, #ffffff 100%);
    padding: 44px 18px 36px;
    border-bottom: 1px solid var(--line);
}

.page-hero-inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.page-hero h1 {
    margin: 0 0 14px;
    font-size: 30px;
    line-height: 1.25;
}

.page-hero p {
    margin: 0;
    color: var(--text-sub);
    font-size: 16px;
}

.page-main {
    padding: 42px 18px;
}

.page-section {
    max-width: 1080px;
    margin: 0 auto 28px;
}

.page-section h2 {
    font-size: 24px;
}

.page-section + .page-section {
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.notice-box {
    border-left: 4px solid var(--brand-red);
    background: #fffafa;
    padding: 18px 20px;
    border-radius: 14px;
    color: var(--text-sub);
}

.step-list {
    counter-reset: step;
    display: grid;
    gap: 14px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.step-list li {
    counter-increment: step;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px 18px 18px 58px;
    position: relative;
}

.step-list li::before {
    content: counter(step);
    width: 30px;
    height: 30px;
    background: var(--brand-red);
    color: var(--white);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 18px;
    top: 18px;
    font-weight: 800;
}

.faq-item h3 {
    margin: 0 0 8px;
    color: var(--text-main);
    font-size: 18px;
}

.faq-item p {
    margin: 0;
    color: var(--text-sub);
}

.site-footer {
    background: #151515;
    color: #ffffff;
    padding-top: 36px;
}

.footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 18px 28px;
    display: grid;
    gap: 24px;
}

.footer-brand img {
    height: 38px;
    width: auto;
    margin-bottom: 12px;
}

.footer-brand p,
.footer-reminder p {
    margin: 0;
    color: #d4d4d4;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.footer-links a {
    color: #f2f2f2;
    padding: 8px 0;
}

.footer-reminder strong {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    color: #c9c9c9;
    padding: 14px 18px;
    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));
    }

    .info-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 960px) {
    .top-red-bar {
        display: block;
    }

    .mobile-header,
    .mobile-nav {
        display: none !important;
    }

    .desktop-header {
        display: block;
        background: #ffffff;
    }

    .header-inner {
        max-width: 1180px;
        margin: 0 auto;
        height: 76px;
        padding: 0 18px;
        display: flex;
        align-items: center;
        gap: 18px;
    }

    .desktop-nav {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        flex: 1;
    }

    .desktop-nav a {
        padding: 9px 13px;
        border-radius: 999px;
        color: #222222;
        font-weight: 650;
        font-size: 15px;
        white-space: nowrap;
    }

    .desktop-nav a.active,
    .desktop-nav a:hover {
        background: var(--brand-red);
        color: #ffffff;
    }

    .site-logo {
        height: 44px;
    }

    .banner-slider {
        max-width: 1180px;
        margin: 0 auto;
        border-radius: 0 0 24px 24px;
        box-shadow: var(--shadow);
    }

    .banner-slider img {
        height: 430px;
        object-fit: cover;
    }

    .slider-arrows {
        display: block;
    }

    .slider-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 4;
    }

    .slider-arrow.prev {
        left: 18px;
    }

    .slider-arrow.next {
        right: 18px;
    }

    .hero-copy {
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        gap: 28px;
        padding-top: 30px;
        padding-bottom: 44px;
    }

    .hero-copy h1 {
        font-size: 38px;
    }

    .hero-copy p {
        margin-bottom: 0;
        max-width: 760px;
    }

    .section {
        padding: 68px 18px;
    }

    .section-head {
        display: grid;
        grid-template-columns: 0.9fr 1.1fr;
        align-items: end;
        gap: 40px;
        margin-bottom: 30px;
    }

    .section-head h2 {
        font-size: 32px;
    }

    .category-grid,
    .service-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .focus-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .security-grid,
    .score-grid,
    .faq-grid,
    .page-card-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .split-section,
    .app-showcase,
    .platform-info,
    .data-panel {
        grid-template-columns: 1fr 1fr;
        gap: 42px;
    }

    .page-hero {
        padding: 66px 18px 54px;
    }

    .page-hero h1 {
        font-size: 42px;
    }

    .page-main {
        padding: 58px 18px;
    }

    .footer-inner {
        grid-template-columns: 1.4fr 1fr 1.2fr;
        gap: 42px;
    }
}

@media (min-width: 1180px) {
    .desktop-nav a {
        padding: 10px 16px;
    }
}