:root{--navy:#071426;--navy-2:#0b1f38;--blue:#1e6fff;--cyan:#42d4ff;--green:#28c98b;--text:#17243a;--muted:#66758b;--line:#e5ebf3;--soft:#f4f7fb;--white:#fff;--shadow:0 20px 60px rgba(10,31,58,.11);--radius:18px;--container:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}body,button,input{font-size:16px}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(calc(100% - 40px),var(--container));margin:0 auto}.narrow{max-width:800px}.skip-link{position:fixed;top:10px;left:10px;z-index:9999;padding:10px 16px;color:#fff;background:var(--blue);transform:translateY(-150%)}.skip-link:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:absolute;top:0;left:0;right:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.09)}.solid-header{position:relative;background:var(--navy)}.nav-wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:block;width:230px;flex:0 0 auto}.brand img{width:100%}.site-nav{display:flex;align-items:center;gap:28px;color:#dce7f6;font-size:15px}.site-nav>a:not(.nav-console){position:relative;padding:28px 0}.site-nav>a:not(.nav-console):after{content:"";position:absolute;left:0;right:100%;bottom:20px;height:2px;background:var(--cyan);transition:.25s}.site-nav>a.active:after,.site-nav>a:hover:after{right:0}.site-nav a.active,.site-nav a:hover{color:#fff}.nav-console{padding:10px 18px;border:1px solid rgba(255,255,255,.3);border-radius:8px;color:#fff}.nav-console:hover{border-color:var(--cyan);background:rgba(66,212,255,.08)}.nav-toggle{display:none;width:44px;height:44px;border:0;border-radius:8px;background:rgba(255,255,255,.08);align-items:center;justify-content:center;flex-direction:column;gap:5px}.nav-toggle span{display:block;width:22px;height:2px;background:#fff}.hero{position:relative;min-height:760px;padding:168px 0 100px;overflow:hidden;color:#fff;background:linear-gradient(125deg,#061120 0,#0a1c34 54%,#0b2947 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,#000,transparent 88%)}.hero-glow{position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}.hero-glow-one{width:520px;height:520px;right:-170px;top:40px;background:radial-gradient(circle,rgba(31,112,255,.2),transparent 68%)}.hero-glow-two{width:360px;height:360px;left:35%;bottom:-200px;background:radial-gradient(circle,rgba(66,212,255,.12),transparent 70%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:70px}.eyebrow,.section-kicker{margin:0 0 18px;color:#70dcff;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:10px}.eyebrow.center{justify-content:center}.eyebrow span{width:30px;height:2px;background:var(--cyan)}.hero h1,.pricing-hero h1{margin:0;letter-spacing:-.045em;font-size:clamp(42px,5vw,68px);line-height:1.14;font-weight:700}.hero h1 strong,.pricing-hero h1 strong{font-weight:700;color:var(--cyan)}.hero-text{max-width:650px;margin:26px 0 32px;color:#b9c9dc;font-size:17px;line-height:1.9}.cta-actions,.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.button{display:inline-flex;min-height:50px;padding:0 24px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:8px;font-weight:650;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}.button:hover{transform:translateY(-2px)}.button-primary{color:#fff;background:linear-gradient(135deg,var(--blue),#1685ee);box-shadow:0 12px 30px rgba(30,111,255,.25)}.button-primary:hover{box-shadow:0 16px 36px rgba(30,111,255,.35)}.button-secondary{color:#eaf3ff;border-color:rgba(255,255,255,.26);background:rgba(255,255,255,.04)}.button-secondary:hover{border-color:var(--cyan);background:rgba(66,212,255,.08)}.button-light{color:#fff;border-color:rgba(255,255,255,.28)}.button-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}.button-outline{width:100%;color:var(--blue);border-color:#bbd1ff;background:#fff}.button-outline:hover{border-color:var(--blue);background:#f5f8ff}.trust-list{display:flex;gap:24px;flex-wrap:wrap;margin:30px 0 0;padding:0;list-style:none;color:#9fb1c8;font-size:14px}.trust-list li:before{content:"✓";margin-right:8px;color:var(--green);font-weight:700}.hero-visual{position:relative}.visual-card{position:relative;padding:38px 28px 12px;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:linear-gradient(150deg,rgba(255,255,255,.075),rgba(255,255,255,.02));box-shadow:0 35px 80px rgba(0,0,0,.25);backdrop-filter:blur(12px)}.visual-card:before{content:"";position:absolute;inset:10px;border:1px solid rgba(66,212,255,.08);border-radius:18px}.visual-card img{position:relative;width:100%}.visual-status{position:absolute;z-index:2;top:18px;left:24px;display:flex;align-items:center;gap:8px;color:#cae8dd;font-size:13px}.visual-status span{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(40,201,139,.13)}.metric-card{position:absolute;z-index:3;min-width:130px;padding:12px 16px;border:1px solid rgba(255,255,255,.13);border-radius:12px;background:rgba(6,17,32,.86);box-shadow:0 14px 30px rgba(0,0,0,.2)}.metric-card small{display:block;color:#849bb8;font-size:12px}.metric-card strong{display:block;color:#fff;font-size:15px}.metric-card-left{left:-32px;bottom:62px}.metric-card-right{right:-30px;top:86px}.proof{position:relative;background:#fff;border-bottom:1px solid var(--line)}.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:32px 0}.proof-grid>div{display:flex;align-items:center;justify-content:center;gap:14px;border-right:1px solid var(--line)}.proof-grid>div:last-child{border:0}.proof strong{color:#123b70;font-size:25px}.proof span{color:var(--muted);font-size:14px}.section{padding:105px 0}.section-heading{max-width:700px;margin:0 auto 52px;text-align:center}.section-heading.align-left{max-width:none;margin-left:0;text-align:left}.section-kicker{color:var(--blue);margin-bottom:12px}.about-copy h2,.scan-copy h2,.section-heading h2{margin:0;color:var(--text);font-size:clamp(32px,4vw,46px);line-height:1.3;letter-spacing:-.035em}.section-heading>p:last-child{margin:16px 0 0;color:var(--muted);font-size:17px}.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.solution-card{position:relative;min-height:330px;padding:34px 28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}.solution-card:hover{transform:translateY(-6px);border-color:#bfd2ef;box-shadow:var(--shadow)}.solution-card.featured{color:#fff;border-color:transparent;background:linear-gradient(145deg,#0a203b,#103760)}.solution-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:42px;border-radius:12px;color:var(--blue);background:#eaf1ff;font-weight:800}.featured .solution-icon{color:var(--cyan);background:rgba(66,212,255,.12)}.solution-card h3{margin:0 0 14px;font-size:21px}.solution-card p{margin:0 0 24px;color:var(--muted);font-size:15px}.featured p{color:#aec2d9}.solution-card>span{position:absolute;left:28px;bottom:28px;color:#74849a;font-size:13px}.featured>span{color:#78d8f3}.scan-section{background:var(--soft)}.scan-layout{display:grid;grid-template-columns:.82fr 1.18fr;align-items:center;gap:72px}.scan-copy>p:not(.section-kicker){margin:22px 0;color:var(--muted)}.scan-copy ul{margin:26px 0 0;padding:0;list-style:none}.scan-copy li{margin:12px 0}.scan-copy li:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;margin-right:10px;border-radius:50%;color:#fff;background:var(--green);font-size:12px}.scan-card{padding:36px;border:1px solid #dce5f1;border-radius:22px;background:#fff;box-shadow:var(--shadow)}.scan-card label{display:block;margin-bottom:10px;font-weight:650}.scan-input-row{display:grid;grid-template-columns:1fr auto;gap:10px}.scan-input-row input{width:100%;min-width:0;height:54px;padding:0 16px;border:1px solid #cdd8e7;border-radius:8px;color:var(--text);outline:0}.scan-input-row input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,111,255,.1)}.scan-input-row button{min-width:118px;border:0;border-radius:8px;color:#fff;background:var(--blue);font-weight:650;cursor:pointer}.scan-input-row button:disabled{opacity:.65;cursor:wait}.form-tip{margin:9px 0 0;color:#8a98aa;font-size:13px}.form-message{min-height:24px;margin:6px 0 0;color:#d24040;font-size:14px}.scan-results{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:20px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--line)}.scan-results>div{min-height:78px;padding:16px;background:#fafcff}.scan-results span{display:block;color:#7e8ca0;font-size:13px}.scan-results strong{display:block;margin-top:4px;color:#35455a;font-size:15px}.scan-results strong.safe{color:#148a61}.scan-results strong.risk{color:#d34343}.advantage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line)}.advantage-grid article{padding:40px;background:#fff}.advantage-grid span{color:#9cabc0;font-size:13px;font-weight:700}.advantage-grid h3{margin:12px 0 10px;font-size:22px}.advantage-grid p{margin:0;color:var(--muted)}.about-section{background:#071426;color:#fff}.about-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:75px}.about-image{padding:20px;border:1px solid rgba(255,255,255,.1);border-radius:22px;background:rgba(255,255,255,.04)}.about-copy h2{color:#fff}.about-copy>p:not(.section-kicker){margin:20px 0;color:#adbed2}.about-points{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.about-points span{padding:7px 13px;border:1px solid rgba(255,255,255,.13);border-radius:30px;color:#d0deed;font-size:13px}.text-link{display:inline-flex;gap:8px;align-items:center;color:var(--cyan);font-weight:650}.text-link span{transition:.2s}.text-link:hover span{transform:translateX(5px)}.faq-section{background:#fff}.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{position:relative;padding:24px 46px 24px 0;list-style:none;cursor:pointer;font-weight:650;font-size:18px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:4px;top:20px;color:var(--blue);font-size:26px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list p{margin:-6px 50px 24px 0;color:var(--muted)}.cta-section{padding:0 0 95px;background:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:48px 56px;border-radius:20px;color:#fff;background:linear-gradient(120deg,#0c2b50,#104f86)}.cta-box p{margin:0 0 4px;color:#9edbf1}.cta-box h2{margin:0;font-size:32px;line-height:1.3}.site-footer{padding:72px 0 22px;color:#9db0c8;background:#050d19}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:55px}.footer-brand img{width:230px;margin-bottom:22px}.footer-brand p{max-width:330px;margin:0}.footer-grid h3{margin:2px 0 18px;color:#fff;font-size:15px}.footer-grid>div:not(.footer-brand) a,.footer-grid>div:not(.footer-brand) p{display:block;margin:8px 0;font-size:14px}.footer-grid a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;margin-top:55px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px}.footer-bottom p{margin:0}.pricing-hero{padding:115px 0 145px;text-align:center;color:#fff;background:linear-gradient(135deg,#071426,#0c3156)}.pricing-hero h1{font-size:clamp(40px,5vw,62px)}.pricing-hero .narrow>p:last-child{margin:24px auto 0;color:#b8c9dc;font-size:17px}.pricing-content{position:relative;z-index:2;margin-top:-78px;padding-bottom:70px}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);align-items:stretch;gap:22px}.price-card{position:relative;padding:38px 32px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 15px 45px rgba(10,31,58,.08)}.price-card.recommended{border:2px solid var(--blue);transform:translateY(-14px);box-shadow:0 24px 65px rgba(30,111,255,.15)}.recommend-tag{position:absolute;top:-15px;right:24px;padding:4px 14px;border-radius:20px;color:#fff;background:var(--blue);font-size:13px}.price-label{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}.price-card h3{margin:12px 0 4px;font-size:25px}.price-desc{min-height:52px;margin:0;color:var(--muted);font-size:14px}.price{display:flex;align-items:baseline;margin:24px 0}.price span{color:var(--text);font-size:20px}.price strong{font-size:50px;line-height:1}.price small{margin-left:6px;color:var(--muted)}.price-card .button{width:100%}.price-card ul{margin:28px 0 0;padding:24px 0 0;border-top:1px solid var(--line);list-style:none}.price-card li{margin:12px 0;color:#526278}.price-card li:before{content:"✓";margin-right:10px;color:var(--green);font-weight:700}.pricing-note{max-width:900px;margin:28px auto 0;text-align:center;color:#7c8a9c;font-size:13px}.compare-section{padding-top:70px;background:var(--soft)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.table-wrap table{width:100%;min-width:720px;border-collapse:collapse;text-align:center}.table-wrap td,.table-wrap th{padding:19px 22px;border-bottom:1px solid var(--line)}.table-wrap thead th{color:#fff;background:#0d2949;font-size:15px}.table-wrap thead th:first-child{text-align:left}.table-wrap tbody th{text-align:left;color:var(--text);font-weight:600}.table-wrap tbody td{color:#56677d}.table-wrap tbody tr:last-child td,.table-wrap tbody tr:last-child th{border-bottom:0}.buying-guide{padding-bottom:115px}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.guide-grid article{padding:30px;border-left:2px solid #c8d8ee;background:var(--soft)}.guide-grid strong{color:var(--blue);font-size:13px}.guide-grid h3{margin:14px 0 8px;font-size:20px}.guide-grid p{margin:0;color:var(--muted);font-size:14px}.pricing-cta{padding-top:0}@media(max-width:1024px){.site-nav{gap:18px}.site-nav>a:not(.nav-console){padding-left:0;padding-right:0}.hero-grid{gap:30px}.solution-grid{grid-template-columns:repeat(2,1fr)}.scan-layout{gap:40px}.faq-wrap{gap:40px}.pricing-grid{gap:14px}.price-card{padding:34px 24px}.guide-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.container{width:min(calc(100% - 32px),var(--container))}.site-header{position:absolute}.solid-header{position:relative}.nav-wrap{min-height:72px}.brand{width:205px}.nav-toggle{display:flex}.site-nav{position:absolute;top:72px;left:16px;right:16px;display:none;padding:14px;border:1px solid rgba(255,255,255,.1);border-radius:12px;flex-direction:column;align-items:stretch;gap:0;background:#0a1b31;box-shadow:0 20px 40px rgba(0,0,0,.3)}.site-nav.is-open{display:flex}.site-nav>a:not(.nav-console){padding:11px 12px}.site-nav>a:not(.nav-console):after{display:none}.nav-console{margin-top:6px;text-align:center}.hero{min-height:auto;padding:132px 0 80px}.hero-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.eyebrow{justify-content:center}.hero-text{margin-left:auto;margin-right:auto}.hero-actions,.trust-list{justify-content:center}.hero-visual{max-width:580px;margin:10px auto 0}.proof-grid{grid-template-columns:repeat(2,1fr);gap:0}.proof-grid>div{padding:12px;border-bottom:1px solid var(--line)}.proof-grid>div:nth-child(2){border-right:0}.proof-grid>div:nth-child(3),.proof-grid>div:nth-child(4){border-bottom:0}.section{padding:78px 0}.about-grid,.faq-wrap,.scan-layout{grid-template-columns:1fr}.about-grid{gap:45px}.about-image{order:2}.faq-wrap{gap:18px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.pricing-hero{padding:90px 0 130px}.pricing-grid{grid-template-columns:1fr;max-width:620px;margin:0 auto}.price-card.recommended{order:-1;transform:none}.cta-box{padding:40px;flex-direction:column;align-items:flex-start}.pricing-content{margin-top:-65px}}@media(max-width:580px){body,button,input{font-size:15px}.container{width:min(calc(100% - 24px),var(--container))}.brand{width:188px}.hero{padding-top:115px}.hero h1,.pricing-hero h1{font-size:38px}.hero-text{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.button{padding:0 16px}.trust-list{gap:10px 18px}.visual-card{padding:42px 12px 6px}.metric-card{display:none}.proof-grid>div{padding:14px 5px;flex-direction:column;gap:0;text-align:center}.proof strong{font-size:20px}.proof span{font-size:12px}.section{padding:64px 0}.section-heading{margin-bottom:36px}.about-copy h2,.scan-copy h2,.section-heading h2{font-size:31px}.solution-grid{grid-template-columns:1fr}.solution-card{min-height:290px}.scan-card{padding:22px 18px}.scan-input-row{grid-template-columns:1fr}.scan-input-row button{height:50px}.scan-results{grid-template-columns:1fr}.advantage-grid{grid-template-columns:1fr}.advantage-grid article{padding:28px 24px}.faq-list summary{font-size:16px}.faq-list p{margin-right:20px}.cta-section{padding-bottom:64px}.cta-box{padding:32px 24px}.cta-box h2{font-size:26px}.cta-actions{width:100%;display:grid;grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-brand{grid-column:auto}.footer-bottom{gap:10px;flex-direction:column}.pricing-hero{padding:72px 0 115px}.pricing-hero h1{font-size:35px}.price-card{padding:32px 22px}.guide-grid{grid-template-columns:1fr}.buying-guide{padding-bottom:78px}}.back-to-top{position:fixed;right:28px;bottom:28px;z-index:45;width:48px;height:48px;padding:0;border:1px solid rgba(255,255,255,.18);border-radius:12px;color:#fff;background:linear-gradient(135deg,#123d6b,var(--blue));box-shadow:0 12px 30px rgba(7,20,38,.24);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .2s,visibility .2s,transform .2s,box-shadow .2s}.back-to-top span{display:block;font-size:24px;line-height:1}.back-to-top:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(30,111,255,.32)}.back-to-top:focus-visible{outline:3px solid rgba(66,212,255,.45);outline-offset:3px}.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}@media(max-width:580px){.back-to-top{right:16px;bottom:16px;width:44px;height:44px;border-radius:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition:none!important}}