:root{
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(150, 0, 0);
    --text: #1f2933;
    --muted: #5c6673;
    --light: #f6f7f9;
    --border: #e8eaee;
    --white: #ffffff;
    --shadow: 0 14px 40px rgba(31,41,51,.08);
    --radius: 22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;
    color:var(--text);
    background:#fff;
    line-height:1.72;
    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:linear-gradient(135deg, rgb(213, 5, 5) 0%, rgb(150, 0, 0) 100%);
    color:#fff;
    position:relative;
    z-index:20;
    box-shadow:0 8px 24px rgba(150,0,0,.18);
}
.desktop-header{display:none}
.mobile-header{
    height:64px;
    display:grid;
    grid-template-columns:72px 1fr 86px;
    align-items:center;
    padding:0 14px;
}
.menu-btn{
    width:44px;height:44px;border:0;border-radius:14px;background:rgba(255,255,255,.16);
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.menu-btn span{width:21px;height:2px;background:#fff;border-radius:99px}
.mobile-logo{justify-self:center}
.mobile-logo img{height:38px;max-width:138px;object-fit:contain}
.mobile-action,.top-action{
    justify-self:end;
    display:inline-flex;align-items:center;justify-content:center;
    min-height:38px;padding:0 18px;border-radius:999px;background:#fff;color:var(--brand);
    font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,.12);
}
.mobile-nav{
    display:none;
    background:#fff;
    color:var(--text);
    padding:12px 16px 18px;
    border-bottom:1px solid var(--border);
}
.mobile-nav.open{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mobile-nav a{
    padding:12px;border-radius:14px;background:#f7f7f8;color:#333;font-weight:700;text-align:center;
}
.mobile-nav a.active{background:rgba(213,5,5,.1);color:var(--brand)}
.brand-link,.footer-logo{display:flex;align-items:center;gap:12px;font-weight:800}
.brand-logo{height:42px;width:auto}
.brand-name{font-size:20px;letter-spacing:.5px}
.desktop-nav{display:flex;align-items:center;gap:4px}
.desktop-nav a{
    color:#fff;padding:10px 14px;border-radius:999px;font-weight:700;font-size:15px;
}
.desktop-nav a.active{background:#fff;color:var(--brand)}
.desktop-nav a:hover{background:rgba(255,255,255,.18)}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:0 28px;
    border-radius:999px;
    background:rgb(213, 5, 5);
    color:#fff;
    font-weight:800;
    box-shadow:0 14px 28px rgba(213,5,5,.22);
    transition:.2s ease;
}
.main-btn:hover{background:rgb(176,0,0);transform:translateY(-1px)}
.secondary-btn,.link-btn{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:40px;padding:0 18px;border-radius:999px;border:1px solid rgba(213,5,5,.22);
    color:var(--brand);font-weight:800;background:#fff;
}
.link-btn:hover,.secondary-btn:hover{background:rgba(213,5,5,.08)}
.hero{
    background:linear-gradient(135deg, rgb(213, 5, 5) 0%, rgb(150, 0, 0) 100%);
    color:#fff;
    padding:48px 0 56px;
    position:relative;
    overflow:hidden;
}
.hero:after{
    content:"";
    position:absolute;
    right:-120px;top:-160px;
    width:420px;height:420px;
    background:rgba(255,255,255,.08);
    border-radius:50%;
}
.hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:center;
    position:relative;
    z-index:2;
}
.eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 12px;
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.22);
    border-radius:999px;
    font-size:14px;
    font-weight:700;
    color:#fff;
}
.hero h1,.page-hero h1{
    margin:16px 0 18px;
    font-size:clamp(31px,7vw,58px);
    line-height:1.14;
    letter-spacing:-.6px;
}
.hero p,.page-hero p{font-size:17px;color:rgba(255,255,255,.92);margin:0 0 24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-row span{
    display:inline-flex;padding:8px 12px;border-radius:999px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
    font-weight:700;font-size:14px;
}
.hero-visual{
    position:relative;
    border-radius:32px;
    overflow:hidden;
    box-shadow:0 24px 70px rgba(0,0,0,.24);
    background:#fff;
}
.hero-visual img{width:100%;height:320px;object-fit:cover}
.float-card{
    position:absolute;left:16px;right:16px;bottom:16px;
    background:rgba(255,255,255,.94);
    color:var(--text);
    border-radius:20px;
    padding:16px;
    box-shadow:var(--shadow);
}
.float-card strong{display:block;color:var(--brand);font-size:18px}
section{padding:58px 0}
.section-head{margin-bottom:28px}
.section-head.center{text-align:center;max-width:780px;margin-left:auto;margin-right:auto}
.section-head h2,.content-block h2{
    margin:0 0 12px;
    font-size:clamp(25px,4.8vw,38px);
    line-height:1.24;
}
.section-head p,.content-block p,.plain-text p{color:var(--muted);margin:0}
.light-section{background:var(--light)}
.category-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
}
.feature-card,.match-card,.data-card,.security-card,.faq-item,.info-card,.notice-card{
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:22px;
    box-shadow:0 10px 24px rgba(31,41,51,.05);
}
.feature-card.large{min-height:260px}
.feature-card h3,.match-card h3,.data-card h3,.security-card h3,.info-card h3,.notice-card h3{
    margin:0 0 10px;font-size:20px;
}
.feature-card p,.match-card p,.data-card p,.security-card p,.info-card p,.notice-card p,.faq-item p{
    color:var(--muted);margin:0 0 16px;
}
.card-meta,.status-label{
    display:inline-flex;
    padding:5px 10px;
    border-radius:999px;
    background:rgba(213,5,5,.09);
    color:var(--brand);
    font-weight:800;
    font-size:13px;
    margin-bottom:12px;
}
.match-grid,.data-grid,.security-grid,.info-grid,.news-grid,.service-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
}
.split-section,.sports-showcase,.app-section,.platform-info,.score-panel,.page-split{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:center;
}
.image-card{
    border-radius:28px;
    overflow:hidden;
    box-shadow:var(--shadow);
    background:#fff;
    border:1px solid var(--border);
}
.image-card img{width:100%;height:280px;object-fit:cover}
.point-list,.check-list{
    list-style:none;
    padding:0;
    margin:20px 0 0;
    display:grid;
    gap:12px;
}
.point-list li,.check-list li{
    background:#fff;
    border:1px solid var(--border);
    border-radius:18px;
    padding:16px 18px;
    color:var(--muted);
}
.point-list strong,.check-list strong{display:block;color:var(--text);margin-bottom:4px}
.score-board{
    background:#fff;
    border-radius:28px;
    padding:22px;
    border:1px solid var(--border);
    box-shadow:var(--shadow);
}
.score-row{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    gap:10px;
    align-items:center;
    padding:14px 0;
    border-bottom:1px solid var(--border);
}
.score-row:last-child{border-bottom:0}
.team{text-align:center;font-weight:800}
.score{font-size:22px;color:var(--brand);font-weight:900}
.responsible-box{
    background:linear-gradient(135deg, rgba(213,5,5,.08), rgba(213,5,5,.02));
    border:1px solid rgba(213,5,5,.16);
    border-radius:28px;
    padding:26px;
}
.faq-list{display:grid;gap:14px}
.faq-item h3{margin:0 0 8px;font-size:18px}
.cta-section{
    background:linear-gradient(135deg, rgb(213, 5, 5) 0%, rgb(150, 0, 0) 100%);
    color:#fff;
    text-align:center;
}
.cta-section p{color:rgba(255,255,255,.9);max-width:760px;margin:0 auto 24px}
.cta-section .main-btn{background:#fff;color:var(--brand);box-shadow:0 16px 36px rgba(0,0,0,.15)}
.page-hero{
    padding:48px 0;
    background:linear-gradient(135deg, rgb(213, 5, 5) 0%, rgb(150, 0, 0) 100%);
    color:#fff;
}
.page-hero .container{max-width:980px}
.breadcrumbs{font-size:14px;color:rgba(255,255,255,.78)}
.content-layout{
    padding:52px 0;
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
}
.content-block{
    background:#fff;
    border:1px solid var(--border);
    border-radius:28px;
    padding:26px;
    box-shadow:0 10px 24px rgba(31,41,51,.05);
}
.content-block h2{font-size:26px}
.related-links{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:16px;
}
.related-links a{
    padding:10px 14px;
    border-radius:999px;
    background:rgba(213,5,5,.08);
    color:var(--brand);
    font-weight:800;
}
.steps{counter-reset:step;display:grid;gap:14px;margin:20px 0 0;padding:0;list-style:none}
.steps li{
    counter-increment:step;
    display:grid;
    grid-template-columns:42px 1fr;
    gap:14px;
    align-items:start;
    padding:16px;
    border:1px solid var(--border);
    border-radius:18px;
    background:#fff;
}
.steps li:before{
    content:counter(step);
    width:34px;height:34px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--brand);color:#fff;font-weight:900;
}
.site-footer{
    background:#20242a;
    color:#fff;
    padding:44px 0 24px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:26px;
}
.footer-logo img{height:38px}
.footer-brand p,.footer-note p{color:rgba(255,255,255,.7);margin:14px 0 0}
.footer-links{display:grid;gap:10px}
.footer-links h3{margin:0 0 6px;color:#fff}
.footer-links a{color:rgba(255,255,255,.76)}
.footer-links a:hover{color:#fff}
.footer-note{
    border-top:1px solid rgba(255,255,255,.1);
    margin-top:30px;
    padding-top:20px;
    display:grid;
    gap:8px;
}
@media (min-width: 720px){
    .category-grid{grid-template-columns:repeat(2,1fr)}
    .match-grid,.data-grid,.security-grid,.info-grid,.news-grid,.service-grid{grid-template-columns:repeat(2,1fr)}
    .hero-visual img{height:420px}
    .footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}
}
@media (min-width: 980px){
    .mobile-header,.mobile-nav{display:none!important}
    .desktop-header{
        height:78px;
        display:grid;
        grid-template-columns:auto 1fr auto;
        align-items:center;
        gap:28px;
    }
    .hero{padding:70px 0 78px}
    .hero-grid{grid-template-columns:1.02fr .98fr;gap:52px}
    .hero-visual img{height:470px}
    .category-grid{grid-template-columns:repeat(4,1fr)}
    .feature-card.large{grid-column:span 2}
    .match-grid,.data-grid,.security-grid{grid-template-columns:repeat(3,1fr)}
    .info-grid,.news-grid,.service-grid{grid-template-columns:repeat(2,1fr)}
    .split-section,.sports-showcase,.app-section,.platform-info,.score-panel,.page-split{grid-template-columns:1fr 1fr;gap:52px}
    .image-card img{height:420px}
    .content-layout{grid-template-columns:1fr 1fr}
    .content-block.wide{grid-column:1/-1}
}

/* === 黑色背景 + 标题红色 + 正文字体白色 + 按键红色 === */
:root{
  --brand:#e60012;
  --brand-dark:#7a0000;
  --text:#ffffff;
  --muted:#d7d7d7;
  --light:#0b0b0d;
  --border:#2d2d32;
  --white:#151518;
  --shadow:0 16px 38px rgba(0,0,0,.38);
}

/* 全站黑色背景与白色正文 */
body,
section,
.light-section,
.content-layout,
.responsible-box{
  background:#0b0b0d!important;
  color:#ffffff!important;
}

/* 顶部、首屏、CTA、内页头图统一黑色 */
.site-header,
.hero,
.page-hero,
.cta-section{
  background:linear-gradient(135deg,#1a1a1d 0%,#050505 100%)!important;
  color:#ffffff!important;
  box-shadow:0 14px 34px rgba(0,0,0,.36)!important;
}

/* 卡片统一深色 */
.mobile-nav,
.hero-visual,
.float-card,
.feature-card,
.match-card,
.data-card,
.security-card,
.faq-item,
.info-card,
.notice-card,
.image-card,
.point-list li,
.check-list li,
.score-board,
.content-block,
.steps li{
  background:#151518!important;
  border-color:#2d2d32!important;
  color:#ffffff!important;
}

/* 标题全部红色 */
h1,h2,h3,
.hero h1,
.page-hero h1,
.section-head h2,
.content-block h2,
.feature-card h3,
.match-card h3,
.data-card h3,
.security-card h3,
.info-card h3,
.notice-card h3,
.faq-item h3,
.point-list strong,
.check-list strong,
.team,
.footer-links h3{
  color:#e60012!important;
}

/* 正文、说明文字白色 */
p,
li,
span,
.section-head p,
.content-block p,
.plain-text p,
.feature-card p,
.match-card p,
.data-card p,
.security-card p,
.info-card p,
.notice-card p,
.faq-item p,
.point-list li,
.check-list li,
.hero p,
.page-hero p,
.cta-section p,
.footer-brand p,
.footer-note p,
.footer-links a,
.breadcrumbs{
  color:#ffffff!important;
}

/* 辅助文字稍柔和 */
.footer-note p,
.footer-brand p,
.tag-row span,
.eyebrow,
.breadcrumbs{
  color:#f1f1f1!important;
}

/* 按键统一红色按钮 + 白字 */
.main-btn,
.secondary-btn,
.link-btn,
.mobile-action,
.top-action,
.related-links a,
.mobile-nav a.active,
.desktop-nav a.active,
.cta-section .main-btn{
  background:#e60012!important;
  color:#ffffff!important;
  border-color:#e60012!important;
  box-shadow:0 12px 26px rgba(230,0,18,.28)!important;
}

/* 按键悬停 */
.main-btn:hover,
.secondary-btn:hover,
.link-btn:hover,
.mobile-action:hover,
.top-action:hover,
.cta-section .main-btn:hover{
  background:#b80000!important;
  color:#ffffff!important;
}

/* 标签与强调保持红色 */
.card-meta,
.status-label,
.score,
.float-card strong{
  background:rgba(230,0,18,.12)!important;
  color:#e60012!important;
}

/* 步骤圆点和分数红底白字 */
.steps li:before{
  background:#e60012!important;
  color:#ffffff!important;
}

/* 图片卡、圆角视觉保持黑色底 */
.hero-visual,
.image-card{
  box-shadow:0 18px 46px rgba(0,0,0,.35)!important;
}

/* 页脚保持黑色 */
.site-footer{
  background:#050505!important;
  color:#ffffff!important;
}