:root{
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(150, 0, 0);
    --brand-soft: #fff1f1;
    --text: #1f1f1f;
    --muted: #666;
    --light: #f6f6f6;
    --line: #ececec;
    --white: #fff;
    --shadow: 0 14px 34px rgba(0,0,0,.08);
    --radius: 20px;
}
*{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:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.gradient-header{background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);color:#fff;box-shadow:0 10px 24px rgba(150,0,0,.18)}
.site-header{position:relative;z-index:20}
.mobile-header{height:64px;display:grid;grid-template-columns:72px 1fr 86px;align-items:center;padding:0 14px;gap:8px}
.menu-button{width:42px;height:42px;border:1px solid rgba(255,255,255,.28);border-radius:14px;background:rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;cursor:pointer}
.menu-button span{width:20px;height:2px;background:#fff;border-radius:3px}
.mobile-logo{justify-self:center;display:flex;align-items:center;justify-content:center;max-width:126px}
.mobile-logo img,.desktop-logo img{max-height:38px;object-fit:contain}
.top-action{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:800;box-shadow:0 8px 18px rgba(0,0,0,.12);white-space:nowrap}
.mobile-nav{display:none;padding:6px 14px 16px;background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);border-top:1px solid rgba(255,255,255,.16)}
.mobile-nav.open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mobile-nav a{padding:11px 12px;border-radius:14px;background:rgba(255,255,255,.1);color:#fff;font-weight:700;text-align:center}
.mobile-nav a.active{background:#fff;color:var(--brand)}
.desktop-header{display:none}
.container,.section-inner,.page-container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;box-shadow:0 12px 24px rgba(213,5,5,.22);transition:.2s ease;white-space:nowrap}
.main-btn:hover{background:#b90000;transform:translateY(-1px)}
.text-link,.card-link{display:inline-flex;align-items:center;font-weight:800;color:var(--brand);margin-top:8px}
.text-link:after,.card-link:after{content:"›";margin-left:6px;font-size:20px;line-height:1}
.hero-section{background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);color:#fff;padding:42px 0 52px;position:relative;overflow:hidden}
.hero-section:before{content:"";position:absolute;inset:auto -80px -180px auto;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.1)}
.hero-wrap{position:relative;display:grid;gap:26px;align-items:center}
.hero-eyebrow,.section-eyebrow,.page-eyebrow{display:inline-flex;width:max-content;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px}
.section-eyebrow,.page-eyebrow{background:var(--brand-soft);color:var(--brand)}
.hero-section h1{margin:14px 0 14px;font-size:34px;line-height:1.16;letter-spacing:-.8px}
.hero-section p{margin:0;color:rgba(255,255,255,.92);font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;align-items:center}
.hero-tags,.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span,.tag-list span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.14);font-weight:700;color:#fff;font-size:13px}
.tag-list span{background:var(--brand-soft);color:var(--brand)}
.hero-visual{position:relative;border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 22px 60px rgba(0,0,0,.2)}
.hero-visual img{width:100%;min-height:260px;object-fit:cover}
.float-card{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(255,255,255,.94);color:#222;border-radius:18px;padding:14px;display:grid;grid-template-columns:1fr auto;gap:6px;box-shadow:0 16px 30px rgba(0,0,0,.16)}
.float-card strong{color:var(--brand)}
.float-card span{color:#555;font-size:13px}
section{padding:54px 0}
.section-head{margin-bottom:24px;display:grid;gap:10px}
.section-head h2,.page-section h2{margin:0;font-size:28px;line-height:1.25;color:#161616}
.section-head p{margin:0;color:#555;max-width:860px}
.category-grid{display:grid;grid-template-columns:1fr;gap:16px}
.feature-card,.match-card,.data-card,.content-card,.faq-item,.info-card,.security-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 26px rgba(0,0,0,.045)}
.feature-card.large{background:linear-gradient(180deg,#fff,#fff7f7)}
.feature-card h3,.match-card h3,.data-card h3,.content-card h3,.info-card h3,.security-card h3{margin:0 0 10px;font-size:20px;color:#151515}
.feature-card p,.match-card p,.data-card p,.content-card p,.info-card p,.security-card p,.faq-item p{margin:0;color:#5a5a5a}
.status-label{display:inline-flex;margin-bottom:12px;padding:5px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:800}
.focus-grid,.data-grid,.security-grid,.info-grid,.quick-grid,.faq-grid{display:grid;grid-template-columns:1fr;gap:16px}
.showcase,.app-section,.platform-section,.score-section,.page-hero-card{background:#f7f7f7}
.split{display:grid;gap:26px;align-items:center}
.split-media{border-radius:26px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.split-media img{width:100%;object-fit:cover;min-height:250px}
.point-list{display:grid;gap:12px;margin-top:20px}
.point{display:grid;gap:3px;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.point strong{color:#222}
.point span{color:#666;font-size:14px}
.score-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow)}
.score-row{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;padding:14px;border-bottom:1px solid var(--line)}
.score-row:last-child{border-bottom:0}
.score-row b{text-align:center;color:var(--brand);font-size:22px}
.score-row span:last-child{text-align:right}
.notice-box{border-left:5px solid var(--brand);background:#fff7f7;border-radius:18px;padding:20px;color:#555}
.notice-box h2,.notice-box h3{margin-top:0;color:#171717}
.cta-section{padding:50px 0;background:linear-gradient(135deg,rgb(213,5,5) 0%,rgb(150,0,0) 100%);color:#fff;text-align:center}
.cta-section h2{margin:0 0 12px;font-size:28px}
.cta-section p{margin:0 auto 24px;max-width:760px;color:rgba(255,255,255,.9)}
.cta-section .main-btn{background:#fff;color:var(--brand)}
.site-footer{background:#252525;color:#eee;padding-top:44px}
.footer-inner{width:min(1180px,calc(100% - 32px));margin:0 auto;display:grid;gap:28px}
.footer-brand img{max-height:40px;margin-bottom:16px}
.footer-brand p{margin:0;color:#cfcfcf;max-width:520px}
.footer-links{display:grid;grid-template-columns:1fr;gap:18px}
.footer-links h3{font-size:16px;margin:0 0 10px;color:#fff}
.footer-links a{display:block;color:#d8d8d8;margin:7px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding:16px;text-align:center;color:#c8c8c8;font-size:14px}
.page-main{background:#fff}
.page-hero{padding:46px 0;background:linear-gradient(180deg,#fff7f7,#fff)}
.page-hero-card{border-radius:28px;padding:26px;border:1px solid #ffe1e1;display:grid;gap:20px;align-items:center}
.page-hero h1{margin:12px 0 14px;font-size:34px;line-height:1.2}
.page-hero p{margin:0;color:#555}
.page-section{padding:42px 0}
.page-section.alt{background:#f7f7f7}
.page-section p{color:#555}
.content-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px}
.article-block{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin-top:18px}
.article-block h2,.article-block h3{margin-top:0;color:#191919}
.article-block ul,.notice-box ul{margin:12px 0 0;padding-left:20px;color:#555}
.article-block li,.notice-box li{margin:7px 0}
.related-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.related-links a{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid #ffd1d1;color:var(--brand);font-weight:800}
.steps{counter-reset:step;display:grid;gap:14px;margin-top:18px}
.step{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start}
.step:before{content:counter(step);width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.faq-item h3{margin:0 0 8px;color:#161616;font-size:18px}
@media (min-width:640px){
    .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .focus-grid,.data-grid,.security-grid,.info-grid,.quick-grid,.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-links{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:960px){
    .mobile-header,.mobile-nav{display:none!important}
    .desktop-header{height:78px;width:min(1180px,calc(100% - 48px));margin:0 auto;display:grid;grid-template-columns:190px 1fr auto;gap:22px;align-items:center}
    .desktop-logo img{max-height:46px}
    .desktop-nav{display:flex;align-items:center;justify-content:center;gap:6px}
    .desktop-nav a{padding:10px 14px;border-radius:999px;color:#fff;font-weight:800;font-size:15px}
    .desktop-nav a.active{background:#fff;color:var(--brand)}
    .desktop-action{min-width:88px}
    .hero-section{padding:70px 0 82px}
    .hero-wrap{grid-template-columns:1.02fr .98fr;gap:46px}
    .hero-section h1{font-size:50px}
    .section-head{grid-template-columns:1fr;max-width:900px}
    .category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .feature-card.large{grid-column:span 2;min-height:230px}
    .focus-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .split{grid-template-columns:1fr 1fr;gap:42px}
    .data-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .security-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .info-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .quick-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-inner{grid-template-columns:1.1fr 1.4fr;align-items:start}
    .page-hero-card{grid-template-columns:1.1fr .9fr;padding:38px}
    .content-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:360px){
    .mobile-header{grid-template-columns:56px 1fr 74px;padding:0 10px}
    .top-action{padding:0 12px;font-size:14px}
    .hero-section h1,.page-hero h1{font-size:30px}
}