:root{--bg:#eef2fb;--bg2:#f7f9fe;--panel:#fff;--panel2:#f1f5fb;--stroke:#0f172a14;--stroke2:#0f172a24;--ink:#0f1830;--muted:#54607a;--faint:#8b95ac;--emerald:#10b981;--indigo:#6366f1;--cyan:#0891b2;--amber:#d97706;--red:#e11d48;--grad:linear-gradient(120deg,#10b981,#06b6d4 42%,#6366f1);--shadow:0 10px 30px #0f172a0f,0 2px 8px #0f172a0a;--radius:20px;--maxw:1380px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);-webkit-font-smoothing:antialiased;background-color:#0000;background-image:radial-gradient(1200px 620px at 12% -8%,#10b98124,#0000 60%),radial-gradient(1100px 560px at 100% -4%,#6366f124,#0000 58%),radial-gradient(900px 500px at 60% 100%,#06b6d41a,#0000 60%),linear-gradient(#f8fafe,#eaf0fb);background-position:0 0,0 0,0 0,0 0;background-repeat:repeat,repeat,repeat,repeat;background-size:auto,auto,auto,auto;background-attachment:fixed;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box;margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,sans-serif;line-height:1.55;overflow-x:hidden}h1,h2,h3{letter-spacing:-.01em;margin:0;font-family:Space Grotesk,Inter,sans-serif;line-height:1.1}a{color:inherit;text-decoration:none}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.grad{background:var(--grad);color:#0000;background-size:220%;-webkit-background-clip:text;background-clip:text;animation:7s ease-in-out infinite shimmer}@keyframes shimmer{0%,to{background-position:0%}50%{background-position:100%}}@media (prefers-reduced-motion:reduce){.grad{animation:none}}.bg-blobs{display:none}.blob{mix-blend-mode:screen;border-radius:50%;width:520px;height:520px;animation:22s ease-in-out infinite 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0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.checker.live:before{opacity:1;animation:4s linear infinite spinring}@keyframes spinring{to{--a:360deg}}@property --a{syntax:"<angle>";inherits:false;initial-value:0deg}.feat,.bulk-card{will-change:transform}header.nav{z-index:40;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--stroke);background:#f8fafed1;position:sticky;top:0}.nav-in{justify-content:space-between;align-items:center;height:66px;display:flex}.brand{align-items:center;gap:11px;font-family:Space Grotesk;font-size:1.06rem;font-weight:700;display:flex}.brand 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span{color:var(--muted);font-size:.8rem}.pb-seg{background:var(--panel2);border-radius:99px;gap:2px;height:12px;display:flex;overflow:hidden}.pb-seg i{height:100%;display:block}.pb-seg i:first-child{border-radius:99px 0 0 99px}.pb-seg i:last-child{border-radius:0 99px 99px 0}.pb-legend{color:var(--muted);flex-wrap:wrap;gap:18px;margin-top:12px;font-size:.82rem;display:flex}.pb-legend span{align-items:center;gap:7px;display:inline-flex}.pb-legend .dot{border-radius:3px;width:9px;height:9px}.hero:before{content:"";z-index:-1;pointer-events:none;filter:blur(18px);background:radial-gradient(closest-side,#06b6d424,#6366f114 55%,#0000 75%);width:min(780px,92%);height:440px;animation:8s ease-in-out infinite heroPulse;position:absolute;top:-30px;left:50%;transform:translate(-50%)}@keyframes heroPulse{0%,to{opacity:.65;transform:translate(-50%)scale(1)}50%{opacity:1;transform:translate(-50%)scale(1.08)}}@media (prefers-reduced-motion:reduce){.hero:before{animation:none}}.pill{border:1px solid 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0}.check-row{background:var(--panel);border:1px solid var(--stroke2);border-radius:16px;gap:10px;padding:9px;display:flex;box-shadow:0 18px 50px #0f172a1a}.check-row input{color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:0 12px;font-family:inherit;font-size:1.02rem}.check-row input::placeholder{color:var(--faint)}.result{min-height:0;margin-top:14px;transition:all .3s;overflow:hidden}.card{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);box-shadow:var(--shadow)}.rescard{text-align:left;padding:18px 20px;animation:.35s pop}@keyframes pop{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.res-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.res-email{word-break:break-all;font-weight:600}.status{letter-spacing:.03em;border-radius:999px;align-items:center;gap:7px;padding:6px 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.l{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.72rem}.n-valid{color:#047857}.n-invalid{color:#be123c}.n-risky{color:#b45309}.n-unknown{color:#475569}.note{color:var(--muted);align-items:center;gap:8px;margin-top:6px;font-size:.85rem;display:flex}.err{color:#be123c;background:#e11d4814;border:1px solid #e11d4840;border-radius:12px;margin-top:14px;padding:12px 14px;font-size:.9rem;display:none}.aside h3{margin-bottom:12px;font-size:1.05rem}.steps{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.steps li{color:var(--muted);align-items:flex-start;gap:12px;font-size:.94rem;display:flex}.steps .num{background:var(--panel2);border:1px solid var(--stroke);width:26px;height:26px;color:var(--cyan);border-radius:8px;flex:none;place-items:center;font-size:.85rem;font-weight:700;display:grid}.sample{margin-top:16px;font-size:.86rem}.sample a{color:var(--cyan);border-bottom:1px dashed #22d3ee80}.sec{padding:60px 0}.sec-head{text-align:center;max-width:640px;margin:0 auto 40px}.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}.sec-head p{color:var(--muted);margin-top:12px}.feat-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}@media (width<=820px){.feat-grid{grid-template-columns:1fr 1fr}}@media (width<=520px){.feat-grid{grid-template-columns:1fr}.stat-row{grid-template-columns:1fr 1fr}}.feat{background:var(--panel);border:1px solid var(--stroke);box-shadow:var(--shadow);border-radius:16px;padding:22px;transition:all .2s}.feat:hover{border-color:var(--stroke2);transform:translateY(-4px);box-shadow:0 16px 40px #0f172a1a}.feat .fi{width:44px;height:44px;color:var(--emerald);background:linear-gradient(135deg,#34d39933,#7c83ff33);border-radius:12px;place-items:center;margin-bottom:14px;display:grid}.feat h3{margin-bottom:7px;font-size:1.06rem}.feat p{color:var(--muted);margin:0;font-size:.9rem}.strip{border-radius:var(--radius);background:var(--panel);border:1px solid var(--stroke);text-align:center;flex-wrap:wrap;justify-content:center;gap:40px;padding:26px;display:flex}.strip .n{font-family:Space Grotesk;font-size:1.8rem;font-weight:700}.strip .l{color:var(--muted);font-size:.85rem}footer{background:var(--panel);border-top:1px solid var(--stroke);color:var(--muted);margin-top:70px;padding:30px 0;font-size:.9rem;position:relative}footer:before{content:"";background:var(--grad);opacity:.85;height:2px;position:absolute;top:-1px;left:0;right:0}.foot-in{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.foot-in a{color:var(--ink);font-weight:500}.foot-in a:hover{color:var(--cyan)}.foot-in>div{color:var(--ink);font-weight:700}.foot-links{flex-wrap:wrap;align-items:center;gap:20px;display:flex}@media (width<=520px){.foot-links{justify-content:center;gap:14px 18px}}.legal{max-width:900px;padding-top:54px;padding-bottom:72px}.legal h1{margin-bottom:6px;font-size:clamp(2rem,4vw,2.7rem)}.legal .updated{color:var(--faint);margin:0 0 24px;font-size:.9rem}.legal-card{padding:30px 34px}.legal-card>:first-child{margin-top:0}.legal-card h2{color:var(--ink);margin:26px 0 8px;font-family:Space Grotesk,Inter,sans-serif;font-size:1.2rem}.legal-card p,.legal-card li{color:#33405c}.legal-card ul{padding-left:1.2rem}.legal-card a{color:var(--cyan)}.legal-card a.btn-primary{color:#fff}@media (width<=520px){.legal-card{padding:22px 20px}}.trust-band{padding:4px 0 6px}.trust-row{background:var(--panel);border:1px solid var(--stroke);box-shadow:var(--shadow);border-radius:16px;flex-wrap:wrap;justify-content:center;gap:10px 20px;margin:0;padding:14px 20px;list-style:none;display:flex}.trust-row li{color:var(--muted);white-space:nowrap;align-items:center;gap:7px;font-size:.82rem;font-weight:500;display:inline-flex}@media (width>=980px){.trust-row{flex-wrap:nowrap;gap:18px;overflow-x:auto}}.trust-row li:before{content:"";background:#10b98126 url("data:image/svg+xml,%3Csvg 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summary{cursor:pointer;color:var(--ink);justify-content:space-between;align-items:center;gap:14px;padding:18px 20px;font-weight:600;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--cyan);font-size:1.4rem;font-weight:400;line-height:1;transition:transform .2s}.faq-item[open] summary:after{transform:rotate(45deg)}.faq-a{color:#33405c;padding:0 20px 18px;font-size:.95rem;line-height:1.6}.faq-a a{color:#0e7490;font-weight:600}.method-list{flex-direction:column;gap:9px;padding-left:1.2rem;display:flex}.method-list li{color:#33405c}.legal-card .status{vertical-align:middle;margin-right:9px}.seo-cols{grid-template-columns:1.15fr .85fr;align-items:start;gap:36px;max-width:1040px;margin:0 auto;display:grid}@media (width<=760px){.seo-cols{grid-template-columns:1fr;gap:24px}}.seo-copy p{color:#33405c;margin:0 0 16px;font-size:1rem;line-height:1.7}.seo-copy p:last-child{margin-bottom:0}.seo-uses{background:var(--panel);border:1px solid var(--stroke);box-shadow:var(--shadow);border-radius:16px;padding:22px 24px}.seo-uses h3{margin:0 0 14px;font-size:1.05rem}.seo-uses ul{flex-direction:column;gap:11px;margin:0;padding:0;list-style:none;display:flex}.seo-uses li{color:#33405c;padding-left:27px;font-size:.94rem;line-height:1.5;position:relative}.seo-uses li:before{content:"";background:#10b98126 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") 50%/11px no-repeat;border-radius:50%;width:17px;height:17px;position:absolute;top:2px;left:0}.spin{border:2px solid #ffffff40;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite sp;display:inline-block}@keyframes sp{to{transform:rotate(360deg)}}.brand-logo{align-items:center;display:inline-flex}.brand-logo svg{width:auto;height:44px;display:block}.free-badge{background:var(--grad);color:#fff;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:.66rem;font-weight:800;animation:2.8s ease-in-out infinite freeFloat;display:inline-flex;position:relative;overflow:hidden;box-shadow:0 5px 16px #06b6d473}.free-badge .fb-dot{background:#fff;border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #ffffff59}.free-badge:after{content:"";background:linear-gradient(100deg,#0000,#ffffff8c,#0000);width:40%;height:100%;animation:3.4s ease-in-out infinite freeShine;position:absolute;top:0;left:-60%;transform:skew(-18deg)}@keyframes freeFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-1.5px)}}@keyframes freeShine{0%{left:-60%}55%,to{left:130%}}@media (prefers-reduced-motion:reduce){.free-badge,.free-badge:after{animation:none}}@media (width<=520px){.free-badge{padding:3px 8px;font-size:.6rem}}.nav-links .btn-primary{color:#fff}.foot-in>div a{color:#f97316;text-underline-offset:3px;font-weight:700;text-decoration:underline}.foot-in>div a:hover{color:#ea580c}.bulk-card{background:linear-gradient(#fff,#f6f9fe)}.bulk-card:after{content:"";border-radius:var(--radius);-webkit-mask-composite:xor;pointer-events:none;opacity:.6;background:linear-gradient(135deg,#34d39966,#0000 42%,#7c83ff4d);padding:1px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.feat{position:relative;overflow:hidden}.feat:after{content:"";background:var(--grad);transform-origin:0;height:2px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.feat:hover:after{transform:scaleX(1)}@media (width<=1024px){.hero{padding:56px 0 32px}.hero-grid{gap:36px}.sec{padding:48px 0}}@media (width<=900px){.hero{text-align:center}.hero-grid{grid-template-columns:1fr;gap:34px}.hero-left{max-width:640px;margin:0 auto}.hero p.sub{margin-left:auto;margin-right:auto}.hero .checker{max-width:620px;margin-left:auto;margin-right:auto}.hero-trust{justify-content:center}.hero-right{width:100%;max-width:520px;margin:6px auto 0}.preview-card{transform:none}}@media (width<=820px){.bulk-card{padding:24px}}@media (width<=680px){.nav-in{gap:10px;height:60px}.brand-logo svg{height:38px}.btn{padding:11px 16px;font-size:.9rem}.hero{padding:54px 0 24px}.sec{padding:40px 0}.feat-grid{gap:12px}}@media (width<=560px){.free-badge{display:none}.brand-logo svg{height:34px}.nav-in{gap:8px}.nav-links{gap:10px}.nav-links .btn{padding:9px 14px;font-size:.85rem}}@media (width<=520px){.wrap{padding:0 1rem}.check-row{flex-direction:column;gap:8px;padding:12px}.check-row input{text-align:center;padding:12px 6px}.check-row .btn{justify-content:center;width:100%}.nav-links{gap:14px}.hero h1{font-size:clamp(2rem,9vw,2.9rem)}.bulk-card{padding:18px}.stat .n{font-size:1.3rem}.foot-in{text-align:center;flex-direction:column;gap:8px}}