:root{--red:rgb(213,5,5);--deep:#960000;--dark:#1f1f1f;--text:#3f3f46;--muted:#6b7280;--soft:#f5f5f6;--line:#ececef;--white:#fff;--shadow:0 14px 36px rgba(31,31,31,.08);--radius:22px;}
*{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;background:#f7f7f8;color:var(--text);line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}.container{width:min(1120px,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:10;box-shadow:0 12px 30px rgba(150,0,0,.2)}.topbar{height:66px;display:grid;grid-template-columns:56px 1fr 74px;align-items:center;gap:10px}.brand{justify-self:center}.brand img{height:38px;width:auto;object-fit:contain}.menu-toggle{width:44px;height:44px;border:0;border-radius:14px;background:rgba(255,255,255,.14);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px}.menu-toggle span{width:21px;height:2px;background:#fff;border-radius:999px}.top-action{justify-self:end;display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;border-radius:999px;background:#fff;color:var(--red);font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,.12)}.desktop-nav{display:none}.mobile-nav{display:none;background:rgba(120,0,0,.96);padding:12px 18px 18px;border-top:1px solid rgba(255,255,255,.16)}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mobile-nav a{padding:11px 12px;border-radius:14px;background:rgba(255,255,255,.08);font-weight:600}.mobile-nav a.active{background:#fff;color:var(--red)}.hero{background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);color:#fff;padding:38px 0 46px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-90px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.08)}.hero-inner{position:relative;z-index:1;display:grid;gap:28px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}.hero h1,.page-hero h1{font-size:34px;line-height:1.18;letter-spacing:-.5px;margin-bottom:18px}.hero p,.page-hero p{font-size:16px;color:rgba(255,255,255,.92);margin-bottom:22px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-tags span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.14);font-size:14px;font-weight:600}.main-btn,.outline-btn,.text-link{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800}.main-btn{min-height:46px;padding:0 26px;background:var(--red);color:#fff;box-shadow:0 14px 28px rgba(213,5,5,.24)}.hero .main-btn,.cta .main-btn{background:#fff;color:var(--red)}.main-btn:hover{background:#b80000;color:#fff}.hero .main-btn:hover,.cta .main-btn:hover{background:#fff1f1;color:#b80000}.outline-btn{height:42px;padding:0 18px;border:1px solid #ffd6d6;color:var(--red);background:#fff}.text-link{color:var(--red);font-weight:800}.hero-visual{position:relative}.hero-visual img,.image-card img{border-radius:28px;box-shadow:0 20px 46px rgba(0,0,0,.18);width:100%;object-fit:cover}.float-card{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(255,255,255,.94);color:var(--dark);padding:16px;border-radius:22px;box-shadow:var(--shadow)}.float-card strong{display:block;color:var(--red);font-size:18px}.section{padding:56px 0}.section.alt{background:#fff}.section-title{max-width:760px;margin-bottom:26px}.section-title.center{text-align:center;margin-left:auto;margin-right:auto}.section-title h2,.content-block h2{font-size:26px;color:var(--dark);line-height:1.28;margin-bottom:10px}.section-title p,.content-block p{color:var(--muted)}.category-grid{display:grid;gap:16px}.feature-card,.match-card,.data-card,.info-card,.faq-item,.notice-card,.step-card,.content-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.feature-card.large{min-height:220px}.feature-card h3,.match-card h3,.data-card h3,.info-card h3,.notice-card h3,.step-card h3{color:var(--dark);margin-bottom:8px;font-size:20px}.feature-card p,.match-card p,.data-card p,.info-card p,.notice-card p,.step-card p{color:var(--muted);font-size:15px}.card-link{display:inline-flex;margin-top:10px;color:var(--red);font-weight:800}.match-grid,.data-grid,.security-grid,.steps-grid,.mini-grid,.page-grid{display:grid;gap:16px}.status{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#fff1f1;color:var(--red);font-size:13px;font-weight:800;margin-bottom:12px}.showcase,.split,.app-section,.platform-split,.score-panel{display:grid;gap:26px;align-items:center}.bullet-list{display:grid;gap:14px;margin-top:18px}.bullet-item{padding:16px;border-left:4px solid var(--red);background:#fff;border-radius:16px;box-shadow:0 8px 22px rgba(31,31,31,.05)}.bullet-item strong{display:block;color:var(--dark);margin-bottom:4px}.score-list{display:grid;gap:12px;margin-top:18px}.score-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)}.score-row span{font-weight:800;color:var(--dark)}.score-row em{font-style:normal;color:var(--red);font-weight:800}.platform-list{display:grid;gap:14px}.platform-list .info-card{box-shadow:none}.security-grid .info-card{min-height:190px}.responsible{background:#fff7f7;border:1px solid #ffd9d9;border-radius:28px;padding:26px;display:grid;gap:16px}.responsible h2{color:var(--red)}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:18px;color:var(--dark);margin-bottom:8px}.faq-item p{color:var(--muted)}.cta{background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);color:#fff;border-radius:30px;padding:32px;display:grid;gap:18px;align-items:center}.cta p{color:rgba(255,255,255,.9);margin-bottom:0}.page-hero{background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);color:#fff;padding:42px 0}.breadcrumb{font-size:14px;color:rgba(255,255,255,.82);margin-bottom:12px}.content-section{padding:42px 0}.content-panel h2{color:var(--dark);font-size:24px;margin-bottom:12px}.content-panel p,.content-panel li{color:var(--muted)}.content-panel ul,.content-panel ol{padding-left:20px;margin-bottom:0}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.link-row a{padding:9px 14px;border-radius:999px;background:#fff1f1;color:var(--red);font-weight:800}.site-footer{background:#202124;color:#d7d7d7;padding:40px 0 22px}.footer-grid{display:grid;gap:24px}.footer-brand img{height:42px;margin-bottom:12px}.site-footer h2{font-size:17px;color:#fff;margin-bottom:12px}.site-footer a{display:block;color:#d7d7d7;margin:7px 0}.site-footer p{color:#c9c9c9}.footer-bottom{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#aaa}.image-soft{border-radius:28px;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}.timeline{display:grid;gap:14px}.timeline-item{display:grid;grid-template-columns:80px 1fr;gap:14px;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}.timeline-item strong{color:var(--red)}.table-like{display:grid;gap:10px}.table-row{display:grid;grid-template-columns:1fr;gap:6px;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}.table-row strong{color:var(--dark)}@media (min-width:640px){.category-grid{grid-template-columns:repeat(2,1fr)}.match-grid,.data-grid,.mini-grid{grid-template-columns:repeat(2,1fr)}.security-grid,.steps-grid,.page-grid{grid-template-columns:repeat(2,1fr)}.cta{grid-template-columns:1fr auto}.table-row{grid-template-columns:1.1fr 1fr 1fr;align-items:center}}@media (min-width:900px){.topbar{height:76px;grid-template-columns:auto 1fr auto}.menu-toggle{display:none}.brand{justify-self:start}.brand img{height:44px}.desktop-nav{display:flex;justify-content:center;align-items:center;gap:4px}.desktop-nav a{padding:9px 14px;border-radius:999px;color:#fff;font-weight:700;font-size:15px}.desktop-nav a.active{background:#fff;color:var(--red)}.mobile-nav{display:none!important}.hero{padding:70px 0}.hero-inner{grid-template-columns:1.03fr .97fr;gap:44px}.hero h1,.page-hero h1{font-size:48px}.section{padding:76px 0}.section-title h2,.content-block h2{font-size:34px}.category-grid{grid-template-columns:repeat(4,1fr)}.feature-card.large{grid-column:span 2}.match-grid,.data-grid{grid-template-columns:repeat(3,1fr)}.showcase,.split,.app-section,.platform-split,.score-panel{grid-template-columns:1fr 1fr;gap:42px}.security-grid{grid-template-columns:repeat(3,1fr)}.steps-grid,.page-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}.page-hero{padding:64px 0}.content-section{padding:62px 0}}@media (max-width:380px){.container{width:min(100% - 22px,1120px)}.hero h1,.page-hero h1{font-size:30px}.top-action{padding:0 14px}.mobile-nav.open{grid-template-columns:1fr}.feature-card,.match-card,.data-card,.info-card,.faq-item,.notice-card,.step-card,.content-panel{padding:18px}}

/* === 黑色背景 + 标题红色 + 正文字体白色 + 按键红色 === */
:root{
  --red:#e60012;
  --deep:#7a0000;
  --dark:#ffffff;
  --text:#ffffff;
  --muted:#d7d7d7;
  --soft:#0f0f10;
  --line:#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,
.section.alt,
.content-section,
.main,
.responsible{
  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{
  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 */
.feature-card,
.match-card,
.data-card,
.info-card,
.faq-item,
.notice-card,
.step-card,
.content-panel,
.float-card,
.bullet-item,
.score-row,
.image-soft,
.timeline-item,
.table-row,
.mobile-nav{
  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-title h2,
.content-block h2,
.content-panel h2,
.feature-card h3,
.match-card h3,
.data-card h3,
.info-card h3,
.notice-card h3,
.step-card h3,
.faq-item h3,
.bullet-item strong,
.score-row span,
.table-row strong,
.site-footer h2{
  color:#e60012!important;
}

/* 正文、说明文字保持白色/浅白 */
p,
li,
span,
.section-title p,
.content-block p,
.content-panel p,
.content-panel li,
.feature-card p,
.match-card p,
.data-card p,
.info-card p,
.notice-card p,
.step-card p,
.faq-item p,
.bullet-item,
.bullet-item span,
.score-row,
.site-footer p,
.site-footer a,
.footer-bottom,
.breadcrumb,
.hero p,
.page-hero p,
.cta p{
  color:#ffffff!important;
}

/* 辅助信息稍微柔和一点 */
.footer-bottom,
.site-footer p,
.hero-tags span,
.eyebrow{
  color:#f1f1f1!important;
}

/* 按键统一红色按钮 + 白字 */
.main-btn,
.outline-btn,
.top-action,
.card-link,
.text-link,
.link-row a,
.mobile-nav a.active,
.desktop-nav a.active,
.hero .main-btn,
.cta .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,
.outline-btn:hover,
.top-action:hover,
.hero .main-btn:hover,
.cta .main-btn:hover{
  background:#b80000!important;
  color:#ffffff!important;
}

/* 红色标签与强调 */
.status,
.timeline-item strong,
.score-row em,
.responsible h2,
.float-card strong{
  background:rgba(230,0,18,.12)!important;
  color:#e60012!important;
}

/* 边线强调保持红色 */
.bullet-item,
.feature-card.large{
  border-left-color:#e60012!important;
  border-top-color:#e60012!important;
}

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