:root{--xr9-green:#64bc4b;--xr9-green-light:#64bc4b1f;--xr9-green-bg:#b9f7a8;--xr9-dark:#0a1a28;--xr9-heading:#111827;--xr9-border:#e5e7eb;--xr9-surface:#f8fafc;--xr9-radius:18px;--xr9-radius-lg:28px}.xr9-hero-reviewed{color:#ffffffbf;margin-top:10px;font-size:15px;line-height:1.6}.xr9-badge{background:var(--xr9-green-light);color:var(--xr9-green);border-radius:30px;width:fit-content;margin-bottom:16px;padding:8px 18px;font-size:14px;font-weight:700;display:inline-block}.xr9-badge--red{background:var(--xr9-green-light);color:var(--xr9-green)}.xr9-section-heading{text-align:center;margin-bottom:45px}.xr9-section-title{color:var(--xr9-heading);margin-bottom:16px;font-size:46px;font-weight:800;line-height:1.25}.xr9-section-intro{color:var(--xr9-dark);max-width:1100px;margin:0 auto 30px;font-size:22px;line-height:1.9}.xr9-what-is-section{background:var(--xr9-surface);padding:80px 0}.xr9-what-is-section .xr9-section-label{background:var(--xr9-green-light);color:var(--xr9-green);border-radius:30px;margin-bottom:16px;padding:8px 18px;font-size:14px;font-weight:700;display:inline-block}.xr9-content-cards-row{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px;display:grid}.xr9-content-card{border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);background:#fff;padding:28px;transition:all .3s}.xr9-content-card:hover{border-color:var(--xr9-green);transform:translateY(-4px);box-shadow:0 12px 30px #64bc4b1a}.xr9-content-card--highlight{background:linear-gradient(135deg,#f0fdf4,#e6fbdd);border-color:#64bc4b40}.xr9-content-card p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.85}.xr9-content-card p a{color:var(--xr9-green);font-weight:600;text-decoration:none}.xr9-content-card p a:hover{text-decoration:underline}.xr9-format-section{background:#fff;padding:80px 0}.xr9-format-section .xr9-section-title{text-align:center}.xr9-format-block{background:var(--xr9-surface);border:1px solid var(--xr9-border);border-radius:var(--xr9-radius-lg);margin-bottom:30px;padding:40px}.xr9-format-block h3{color:var(--xr9-heading);margin-bottom:22px;font-size:28px;font-weight:800;line-height:1.3}.xr9-format-paras p{color:var(--xr9-dark);margin-bottom:18px;font-size:20px;line-height:1.9}.xr9-format-paras p:last-child{margin-bottom:0}.xr9-luhn-block{border:1px solid var(--xr9-border);border-radius:var(--xr9-radius-lg);background:#f9fafb;padding:40px}.xr9-luhn-block h3{color:var(--xr9-heading);margin-bottom:18px;font-size:28px;font-weight:800;line-height:1.3}.xr9-luhn-intro{color:var(--xr9-dark);margin-bottom:24px;font-size:20px;line-height:1.9}.xr9-luhn-steps{counter-reset:luhnstep;flex-direction:column;gap:16px;display:flex}.xr9-luhn-step{border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);background:#fff;align-items:flex-start;gap:18px;padding:20px 22px;display:flex}.xr9-luhn-step-num{background:var(--xr9-green);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:38px;min-width:38px;height:38px;font-size:16px;font-weight:800;display:flex}.xr9-luhn-step p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.8}.xr9-luhn-result{border-radius:var(--xr9-radius);border:2px solid var(--xr9-green-bg);background:#fff;margin-top:22px;padding:24px 28px}.xr9-luhn-result p{color:#000;margin:0;font-size:20px;line-height:1.85}.xr9-how-to-section{background:var(--xr9-surface);padding:80px 0}.xr9-how-to-section .xr9-section-title,.xr9-how-to-section .xr9-badge{text-align:center;display:block}.xr9-how-to-steps{counter-reset:howstep;flex-direction:column;gap:18px;margin-top:10px;display:flex}.xr9-how-to-step{border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);background:#fff;align-items:flex-start;gap:20px;padding:22px 24px;transition:all .3s;display:flex}.xr9-how-to-step:hover{border-color:var(--xr9-green);box-shadow:0 8px 22px #64bc4b1a}.xr9-step-num{background:var(--xr9-green);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:42px;min-width:42px;height:42px;font-size:18px;font-weight:800;display:flex}.xr9-how-to-step p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.85}.xr9-how-to-note{border-radius:var(--xr9-radius);background:#64bc4b14;border:1px solid #64bc4b14;align-items:flex-start;gap:14px;margin-top:28px;padding:20px 22px;display:flex}.xr9-how-to-note span{flex-shrink:0;font-size:22px;line-height:1}.xr9-how-to-note p{color:var(--xr9-dark);margin:0;font-size:18px;font-weight:500;line-height:1.85}.xr9-legit-section{background:#fff;padding:80px 0}.xr9-legit-section .xr9-section-heading{text-align:center}.xr9-legit-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.xr9-legit-card{background:var(--xr9-surface);border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);padding:28px;transition:all .3s}.xr9-legit-card:hover{border-color:var(--xr9-green);transform:translateY(-4px);box-shadow:0 12px 30px #64bc4b1a}.xr9-legit-icon{background:var(--xr9-green-light);border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:16px;font-size:22px;display:flex}.xr9-legit-card p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.85}.xr9-legit-card p b{color:var(--xr9-heading);margin-bottom:6px;font-size:21px;display:block}.xr9-never-do-section{background:#f8f8f8;padding:80px 0}.xr9-never-do-wrapper{border:1px solid var(--xr9-border);border-radius:var(--xr9-radius-lg);background:#fff;padding:50px;box-shadow:0 4px 25px #0000000a}.xr9-never-do-top{text-align:center;margin-bottom:36px}.xr9-never-do-top .xr9-section-title{color:var(--xr9-heading)}.xr9-never-do-top p{color:var(--xr9-dark);max-width:1050px;margin:0 auto;font-size:22px;line-height:1.9}.xr9-never-do-list{flex-direction:column;gap:16px;margin-bottom:28px;display:flex}.xr9-never-do-item{background:var(--xr9-surface);border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);align-items:flex-start;gap:18px;padding:22px;transition:all .3s;display:flex}.xr9-never-do-item:hover{border-color:var(--xr9-green);transform:translateY(-2px)}.xr9-never-do-item span{background:var(--xr9-green-light);width:52px;min-width:52px;height:52px;color:var(--xr9-green);border-radius:14px;justify-content:center;align-items:center;font-size:16px;font-weight:800;display:flex}.xr9-never-do-item p{color:var(--xr9-dark);margin:0;font-size:20px;font-weight:500;line-height:1.85}.xr9-never-do-closing{border-radius:var(--xr9-radius);background:#64bc4b14;border:1px solid #64bc4b33;padding:24px}.xr9-never-do-closing p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.9}.xr9-never-do-closing a{color:var(--xr9-green);font-weight:600;text-decoration:none}.xr9-never-do-closing a:hover{text-decoration:underline}.xr9-lookup-section{background:#fff;padding:80px 0}.xr9-lookup-section .xr9-section-heading{text-align:center}.xr9-lookup-cards{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.xr9-lookup-card{background:var(--xr9-surface);border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);padding:28px;transition:all .3s}.xr9-lookup-card:hover{border-color:var(--xr9-green);transform:translateY(-4px);box-shadow:0 12px 30px #64bc4b1a}.xr9-lookup-card p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.85}.xr9-lookup-card p a{color:var(--xr9-green);font-weight:600;text-decoration:none}.xr9-lookup-card p a:hover{text-decoration:underline}.xr9-unlock-section{background:var(--xr9-surface);padding:80px 0}.xr9-unlock-section .xr9-section-heading{text-align:center}.xr9-unlock-grid{grid-template-columns:repeat(2,1fr);gap:22px;display:grid}.xr9-unlock-card{border:1px solid var(--xr9-border);border-radius:var(--xr9-radius);background:#fff;align-items:flex-start;gap:18px;padding:26px;transition:all .3s;display:flex}.xr9-unlock-card:hover{border-color:var(--xr9-green);transform:translateY(-3px);box-shadow:0 12px 30px #64bc4b1a}.xr9-unlock-icon{background:var(--xr9-green-light);border-radius:14px;justify-content:center;align-items:center;width:52px;min-width:52px;height:52px;font-size:22px;display:flex}.xr9-unlock-card p{color:var(--xr9-dark);margin:0;font-size:20px;line-height:1.85}.xr9-unlock-card p a{color:var(--xr9-green);font-weight:600;text-decoration:none}.xr9-unlock-card p a:hover{text-decoration:underline}.xr9-explore-section{background:#fff;padding:80px 0}.xr9-explore-wrapper{text-align:center;max-width:1100px;margin:0 auto}.xr9-explore-paras{margin-bottom:32px}.xr9-explore-paras p{color:var(--xr9-dark);margin-bottom:14px;font-size:20px;line-height:1.9}.xr9-explore-paras p:last-child{margin-bottom:0}.xr9-explore-paras p a{color:var(--xr9-green);font-weight:600;text-decoration:none}.xr9-explore-paras p a:hover{text-decoration:underline}.xr9-explore-cta{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.xr9-cta-btn{background:var(--xr9-green);color:#fff;border:2px solid var(--xr9-green);border-radius:12px;justify-content:center;align-items:center;padding:14px 28px;font-size:16px;font-weight:700;text-decoration:none;transition:all .3s;display:inline-flex}.xr9-cta-btn:hover{opacity:.9;transform:translateY(-2px)}.xr9-cta-btn--outline{color:var(--xr9-green);background:0 0}.xr9-cta-btn--outline:hover{background:var(--xr9-green);color:#fff}@media (max-width:1024px){.xr9-content-cards-row,.xr9-legit-grid,.xr9-lookup-cards{grid-template-columns:1fr 1fr}}@media (max-width:991px){.xr9-section-title{font-size:34px}.xr9-section-intro{font-size:18px}.xr9-never-do-wrapper{padding:35px}.xr9-unlock-grid{grid-template-columns:1fr 1fr}}@media (max-width:768px){.xr9-what-is-section,.xr9-format-section,.xr9-how-to-section,.xr9-legit-section,.xr9-never-do-section,.xr9-lookup-section,.xr9-unlock-section,.xr9-explore-section{padding:60px 0}.xr9-section-title{font-size:28px}.xr9-content-cards-row,.xr9-legit-grid,.xr9-lookup-cards,.xr9-unlock-grid{grid-template-columns:1fr}.xr9-format-block,.xr9-luhn-block{padding:26px}.xr9-format-block h3,.xr9-luhn-block h3{font-size:22px}.xr9-format-paras p,.xr9-luhn-intro,.xr9-luhn-step p,.xr9-luhn-result p,.xr9-how-to-step p,.xr9-legit-card p,.xr9-never-do-item p,.xr9-never-do-closing p,.xr9-lookup-card p,.xr9-unlock-card p,.xr9-explore-paras p{font-size:16px}.xr9-never-do-wrapper{border-radius:var(--xr9-radius);padding:24px}.xr9-never-do-top p{font-size:16px}.xr9-never-do-item{flex-direction:column;align-items:flex-start}.xr9-never-do-item span{width:44px;min-width:44px;height:44px;font-size:14px}.xr9-how-to-note p{font-size:15px}}@media (max-width:480px){.xiaomiRedmi9HeroSection{border-radius:0 0 20px 20px}.xr9-section-title{font-size:23px}.xr9-section-intro,.xr9-content-card p,.xr9-legit-card p,.xr9-lookup-card p,.xr9-unlock-card p{font-size:15px}.xr9-explore-cta{flex-direction:column;align-items:center}.xr9-cta-btn{text-align:center;width:100%}.xr9-luhn-step{flex-direction:row;gap:12px}.xr9-luhn-step-num,.xr9-step-num{width:34px;min-width:34px;height:34px;font-size:14px}}