*{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:#f6f7f9;color:#1f2328;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}p{margin:0 0 14px}.container{width:min(1160px,calc(100% - 32px));margin:0 auto}.site-header{position:relative;z-index:20;background:#fff}.desktop-topbar,.desktop-header{display:none}.mobile-header{height:62px;background:#fff;border-bottom:3px solid rgb(180,4,4);display:grid;grid-template-columns:56px 1fr 86px;align-items:center;padding:0 14px;position:relative}.mobile-logo{justify-self:center}.mobile-logo img{height:38px;object-fit:contain}.mobile-menu-toggle{position:absolute;opacity:0;pointer-events:none}.menu-button{width:40px;height:40px;border:1px solid #eee;border-radius:12px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;background:#fff}.menu-button span{height:2px;background:#222;border-radius:2px}.header-action{display:inline-flex;align-items:center;justify-content:center;background:rgb(213,5,5);color:#fff;border-radius:999px;padding:8px 18px;font-weight:700;box-shadow:0 8px 18px rgba(213,5,5,.18);white-space:nowrap}.header-action:hover,.main-btn:hover{background:rgb(180,4,4)}.mobile-nav{position:absolute;left:0;right:0;top:62px;background:#fff;border-bottom:4px solid rgb(180,4,4);box-shadow:0 15px 24px rgba(0,0,0,.08);display:none;padding:10px 18px 18px;grid-template-columns:1fr 1fr;gap:10px}.mobile-nav a{padding:10px 12px;border-radius:12px;background:#f6f7f9;color:#2b2f36;font-weight:700}.mobile-nav a.active{background:rgb(213,5,5);color:#fff}.mobile-menu-toggle:checked~.mobile-nav{display:grid}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;background:rgb(213,5,5);color:#fff;border-radius:999px;padding:11px 24px;font-weight:800;box-shadow:0 12px 24px rgba(213,5,5,.2)}.section{padding:54px 0}.section-title{font-size:28px;line-height:1.25;margin:0 0 12px;color:#111827}.section-kicker{display:inline-flex;color:rgb(213,5,5);font-weight:800;background:#fff1f1;border-radius:999px;padding:5px 12px;margin-bottom:14px}.section-desc{color:#545b66;max-width:760px}.hero{background:linear-gradient(135deg,#fff,#fff4f4);padding:46px 0 34px}.hero-grid{display:grid;gap:28px;align-items:center}.hero h1{font-size:35px;line-height:1.18;margin:0 0 16px;color:#111}.hero p{color:#4c5561;font-size:16px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}.hero-tags span,.tag{display:inline-flex;border:1px solid #ffd1d1;background:#fff;color:rgb(213,5,5);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}.hero-visual{background:#fff;border:1px solid #f1dada;border-radius:24px;padding:14px;box-shadow:0 18px 40px rgba(120,0,0,.1)}.hero-visual img{border-radius:18px;min-height:210px;object-fit:cover}.brand-note{margin-top:20px;background:#fff;border-left:5px solid rgb(213,5,5);border-radius:16px;padding:16px 18px;color:#4b5563}.category-section{background:#fff}.category-main-grid{display:grid;gap:16px;margin-top:26px}.category-sub-grid{display:grid;gap:14px;margin-top:16px}.category-main-card,.category-sub-card,.focus-card,.info-card,.small-card,.faq-item,.page-card{background:#fff;border:1px solid #eceff3;border-radius:20px;padding:22px;box-shadow:0 12px 28px rgba(17,24,39,.05)}.category-main-card{min-height:245px;border-top:4px solid rgb(213,5,5)}.category-main-card h3,.category-sub-card h3,.focus-card h3,.info-card h3,.small-card h3,.page-card h3{margin:0 0 10px;color:#111827}.card-link{display:inline-flex;margin-top:8px;color:rgb(213,5,5);font-weight:800}.focus-grid{display:grid;gap:16px;margin-top:26px}.focus-card{position:relative;overflow:hidden}.focus-card:before{content:"";position:absolute;left:0;top:22px;width:5px;height:44px;background:rgb(213,5,5);border-radius:0 8px 8px 0}.focus-card .tag{margin-bottom:12px}.info-split{background:#f6f7f9}.split-grid{display:grid;gap:20px;margin-top:26px}.split-column{background:#fff;border-radius:24px;padding:24px;border:1px solid #eceff3}.split-column img{border-radius:18px;margin:12px 0 18px;max-height:260px;object-fit:cover;width:100%}.info-list{display:grid;gap:14px}.info-card{box-shadow:none}.showcase{background:#fff}.showcase-grid,.score-grid,.app-grid{display:grid;gap:24px;align-items:center}.showcase-image,.app-image{background:#f6f7f9;border-radius:24px;padding:14px;border:1px solid #eceff3}.showcase-image img,.app-image img{border-radius:18px;object-fit:cover;width:100%}.check-list{display:grid;gap:10px;margin:18px 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:26px;color:#3f4652}.check-list li:before{content:"";position:absolute;left:0;top:10px;width:10px;height:10px;background:rgb(213,5,5);border-radius:50%}.score-section{background:linear-gradient(180deg,#fff,#f7f7f8)}.data-panel{background:#fff;border-radius:24px;border:1px solid #eceff3;padding:20px;display:grid;gap:14px;box-shadow:0 12px 28px rgba(17,24,39,.05)}.data-card{border:1px solid #f0dada;border-radius:18px;padding:18px;background:#fffafa}.data-card strong{display:block;font-size:20px;color:rgb(213,5,5);margin-bottom:6px}.app-section{background:#fff}.security-grid{display:grid;gap:16px;margin-top:24px}.responsible-section{background:#f7f7f8}.responsible-box{background:#fff;border-left:6px solid rgb(213,5,5);border-radius:20px;padding:24px;border-top:1px solid #eceff3;border-right:1px solid #eceff3;border-bottom:1px solid #eceff3}.faq-list{display:grid;gap:14px;margin-top:24px}.faq-item h3{font-size:18px;margin:0 0 8px}.cta{background:#fff;padding:42px 0}.cta-box{background:linear-gradient(135deg,#fff3f3,#fff);border:1px solid #ffdada;border-radius:26px;padding:28px;text-align:center}.page-hero{background:linear-gradient(135deg,#fff,#fff3f3);padding:44px 0;border-bottom:1px solid #f0e2e2}.page-hero h1{font-size:34px;line-height:1.22;margin:0 0 14px;color:#111}.breadcrumb{color:rgb(213,5,5);font-weight:800;margin-bottom:10px}.content-wrap{padding:44px 0}.content-grid{display:grid;gap:20px}.page-card ul{padding-left:20px;margin:12px 0 0}.page-card li{margin-bottom:8px}.notice-card{background:#fff;border-left:5px solid rgb(213,5,5);border-radius:18px;padding:22px;border-top:1px solid #eceff3;border-right:1px solid #eceff3;border-bottom:1px solid #eceff3}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.link-row a{border:1px solid #ffd1d1;color:rgb(213,5,5);background:#fff;border-radius:999px;padding:8px 14px;font-weight:800}.step-list{counter-reset:step;display:grid;gap:14px;padding:0;margin:22px 0;list-style:none}.step-list li{counter-increment:step;background:#fff;border:1px solid #eceff3;border-radius:18px;padding:18px 18px 18px 58px;position:relative}.step-list li:before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:rgb(213,5,5);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}.table-like{display:grid;gap:10px}.table-like div{display:grid;grid-template-columns:1fr;gap:8px;border:1px solid #eceff3;border-radius:16px;padding:14px;background:#fff}.table-like strong{color:#111827}.site-footer{background:#22252b;color:#e5e7eb;padding-top:42px}.footer-grid{display:grid;gap:26px}.footer-logo{height:44px;margin-bottom:16px}.site-footer h3{color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#d7dbe2;margin:8px 0}.site-footer p{color:#c6cad1}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding:16px 0;color:#c6cad1}.footer-bottom .container{display:flex;flex-direction:column;gap:8px}.search-icon{width:34px;height:34px;border:2px solid #cfd4dc;border-radius:50%;position:relative;display:inline-block}.search-icon:after{content:"";position:absolute;width:10px;height:2px;background:#cfd4dc;right:-6px;bottom:3px;transform:rotate(45deg);border-radius:2px}@media (min-width:640px){.category-sub-grid,.security-grid{grid-template-columns:repeat(2,1fr)}.focus-grid{grid-template-columns:repeat(2,1fr)}.table-like div{grid-template-columns:160px 1fr}.hero h1{font-size:42px}}@media (min-width:900px){.mobile-header{display:none}.desktop-topbar{display:block;background:rgb(180,4,4);color:#fff;font-size:14px}.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}.desktop-header{display:block;background:#fff;border-bottom:1px solid #eceff3}.desktop-nav-wrap{height:76px;display:flex;align-items:center;gap:26px}.desktop-logo img{height:48px;min-width:118px;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:4px;flex:1}.desktop-nav a{padding:12px 13px;border-radius:999px;font-weight:800;color:#2f3540;white-space:nowrap}.desktop-nav a.active,.desktop-nav a:hover{color:rgb(213,5,5);background:#fff1f1}.desktop-actions{display:flex;align-items:center;gap:18px}.hero{padding:70px 0 52px}.hero-grid{grid-template-columns:1.03fr .97fr}.hero h1{font-size:54px}.section{padding:72px 0}.category-main-grid{grid-template-columns:repeat(4,1fr)}.category-sub-grid{grid-template-columns:repeat(4,1fr)}.category-sub-card{padding:20px}.split-grid{grid-template-columns:1fr 1fr}.showcase-grid,.score-grid,.app-grid{grid-template-columns:1fr 1fr}.security-grid{grid-template-columns:repeat(3,1fr)}.content-grid.two{grid-template-columns:1fr 1fr}.content-grid.three{grid-template-columns:repeat(3,1fr)}.page-hero h1{font-size:44px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr}.footer-bottom .container{flex-direction:row;justify-content:space-between}.cta-box{padding:38px 60px}}@media (min-width:1180px){.desktop-nav a{padding:12px 16px}}