:root{--ink:#10151b;--muted:#65717d;--line:#e5e9ed;--blue:#00a7e8;--blue2:#0077b8;--pale:#eefaff;--white:#fff;--dark:#0b1117;--green:#16a66a;--shadow:0 18px 45px rgba(13,28,40,.12);--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit}.wrap{width:min(1120px,calc(100% - 36px));margin:auto}.topbar{background:var(--dark);color:#fff;text-align:center;padding:8px 14px;font-size:13px}.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;text-decoration:none}.mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(145deg,var(--blue),var(--blue2));display:grid;place-items:center;color:white;font-size:18px}.navlinks{display:flex;gap:22px;align-items:center;font-size:14px;font-weight:700}.navlinks a{text-decoration:none}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;background:var(--blue);color:white!important;text-decoration:none!important;border:0;border-radius:12px;padding:13px 20px;font-weight:850;box-shadow:0 8px 24px rgba(0,167,232,.18);cursor:pointer}.btn:hover{background:var(--blue2)}.btn.ghost{background:#fff;color:var(--ink)!important;border:1px solid var(--line);box-shadow:none}.hero{padding:76px 0 52px;background:radial-gradient(circle at 78% 20%,#c8f2ff 0,transparent 28%),linear-gradient(180deg,#f8fdff 0,#fff 100%)}.eyebrow{display:inline-flex;background:#daf5ff;color:#006a99;border-radius:999px;padding:6px 11px;font-size:12px;font-weight:900;letter-spacing:.06em;text-transform:uppercase}.hero h1,.article h1{font-size:clamp(38px,5vw,66px);letter-spacing:-.045em;line-height:1.02;margin:18px 0}.lead{font-size:20px;color:#4b5965;max-width:750px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}.device{min-height:350px;border-radius:32px;background:linear-gradient(145deg,#27313a,#0c1116);box-shadow:0 32px 60px rgba(9,18,25,.25);padding:28px;position:relative;color:#fff;overflow:hidden}.device:after{content:"";position:absolute;inset:auto -30px -70px 50px;height:180px;background:radial-gradient(circle,#00a7e844,transparent 66%)}.screen{width:48%;height:76px;background:#0a1d24;border:1px solid #31434d;border-radius:9px;margin:16px auto 26px;box-shadow:inset 0 0 0 7px #141e24}.ports{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.port{aspect-ratio:1;border:2px solid #61717c;border-radius:50%;background:#121a20}.device-brand{font-size:26px;font-weight:900;letter-spacing:.14em;text-align:center;margin-top:25px;color:#eafaff}.statrow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.stat{border:1px solid var(--line);border-radius:16px;padding:16px;background:white}.stat b{display:block;font-size:21px}.section{padding:64px 0}.section.alt{background:#f7f9fb}.section h2,.article h2{font-size:clamp(28px,3vw,40px);line-height:1.1;letter-spacing:-.03em;margin:0 0 16px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 8px 28px rgba(19,35,48,.04)}.card h3{margin:6px 0 8px;font-size:20px;line-height:1.2}.tag{display:inline-block;border-radius:999px;background:var(--pale);color:#0373a7;padding:4px 9px;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.05em}.spec{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.spec span{background:#f7f9fb;border-radius:10px;padding:9px 10px;font-size:13px}.price{font-size:14px;color:var(--muted);margin:8px 0}.article{padding:58px 0}.article .content{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:48px}.prose p,.prose li{font-size:17px;color:#34414c}.prose h2{margin-top:44px}.prose h3{margin-top:30px}.note{background:#f1fbff;border:1px solid #c9eefb;border-radius:16px;padding:18px 20px}.toc{position:sticky;top:95px;align-self:start;border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.toc a{display:block;text-decoration:none;color:#50606d;font-size:14px;padding:6px 0}.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:16px}table{border-collapse:collapse;width:100%;min-width:640px}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}th{background:#f6f8fa;font-size:13px;text-transform:uppercase;letter-spacing:.04em}.pick{border:2px solid #a7e6fa;background:#f7fdff}.checklist{padding:0;list-style:none}.checklist li{padding-left:28px;position:relative;margin:10px 0}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}.cta{background:linear-gradient(135deg,#07131b,#123343);color:#fff;border-radius:26px;padding:34px;margin:42px 0}.cta p{color:#c9d6dd}.disclosure{font-size:12px;color:#75818a}.footer{background:#0b1117;color:#c8d1d8;padding:46px 0}.footer a{color:#e9f7ff}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.calc{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.calc input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit}.result{font-size:30px;font-weight:900;color:#0079b6}.popup-backdrop{position:fixed;inset:0;background:rgba(4,10,14,.72);z-index:1000;display:none;place-items:center;padding:18px}.popup-backdrop.show{display:grid}.popup{width:min(560px,100%);background:#fff;border-radius:24px;box-shadow:0 30px 100px rgba(0,0,0,.45);overflow:hidden;position:relative}.popup-head{background:linear-gradient(135deg,#081116,#193847);padding:28px;color:#fff}.popup-image-head{padding:0;background:#081116;line-height:0}.popup-hero-image{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}.popup-head h2{font-size:30px;line-height:1.05;margin:7px 0 8px;letter-spacing:-.03em}.popup-body{padding:25px}.popup-close{position:absolute;right:12px;top:12px;width:36px;height:36px;border-radius:50%;border:0;background:rgba(0,0,0,.58);color:white;font-size:22px;cursor:pointer;z-index:2;backdrop-filter:blur(6px)}.popup-points{display:grid;gap:10px;margin:16px 0}.popup-point{background:#f3f9fc;border-radius:12px;padding:11px 12px;font-size:14px}.popup .btn{width:100%;font-size:17px;padding:15px}.mobilemenu{display:none}.breadcrumbs{font-size:13px;color:#73808b;margin-bottom:12px}.breadcrumbs a{text-decoration:none}.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related a{display:block;padding:14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;font-weight:700}.affiliate-pill{display:inline-block;font-size:11px;color:#60717c;background:#f2f5f7;padding:4px 8px;border-radius:999px;margin-left:6px}@media(max-width:850px){.hero-grid,.article .content,.footergrid{grid-template-columns:1fr}.hero{padding-top:48px}.grid{grid-template-columns:1fr}.navlinks{display:none}.toc{display:none}.statrow{grid-template-columns:1fr 1fr}.device{min-height:280px}.calc{grid-template-columns:1fr}.related{grid-template-columns:1fr}.hero h1,.article h1{font-size:42px}}@media(max-width:480px){.wrap{width:min(100% - 26px,1120px)}.hero h1,.article h1{font-size:36px}.lead{font-size:18px}.statrow{grid-template-columns:1fr}.popup-body{padding:22px}.popup-head:not(.popup-image-head){padding:22px}.popup-image-head{padding:0}.popup-head h2{font-size:26px}}

.hub-grid{grid-template-columns:repeat(3,1fr)}.hub-grid .card h3 a{text-decoration:none}.hub-grid .card{display:flex;flex-direction:column}.hub-grid .card .btn{margin-top:auto;align-self:flex-start}@media(max-width:850px){.hub-grid{grid-template-columns:1fr}}


/* popup conversion refresh */
.popup{width:min(620px,100%);background:#fff;border-radius:26px;box-shadow:0 34px 100px rgba(0,0,0,.48);overflow:hidden;position:relative}
.popup-body{padding:28px 28px 24px;background:linear-gradient(180deg,#ffffff 0%,#f8fbfd 100%)}
.popup-copy{margin-bottom:16px}
.popup-mini-label{display:inline-flex;align-items:center;gap:6px;background:#ebf7fd;color:#006c9c;border:1px solid #cbeefe;border-radius:999px;padding:7px 12px;font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.popup-title{margin:14px 0 6px;font-size:28px;line-height:1.04;letter-spacing:-.03em;color:#0c1620}
.popup-subtitle{margin:0;color:#55636f;font-size:15px;line-height:1.55}
.popup-points{display:grid;gap:12px;margin:18px 0 20px}
.popup-point{display:grid;grid-template-columns:46px 1fr;gap:12px;align-items:flex-start;background:#fff;border:1px solid #e5edf2;border-radius:16px;padding:14px 15px;box-shadow:0 10px 26px rgba(12,31,46,.05)}
.popup-point-icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(145deg,#eefaff,#d7f2ff);display:grid;place-items:center;font-size:21px;box-shadow:inset 0 0 0 1px #cfeefe}
.popup-point strong{display:block;font-size:15px;line-height:1.25;color:#12202c;margin:1px 0 4px}
.popup-point span{display:block;font-size:13px;line-height:1.45;color:#61717d}
.popup-trust{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.popup-trust span{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:#f1f7fa;border:1px solid #e1ecf2;color:#47606d;font-size:12px;font-weight:700}
.popup .btn{width:100%;font-size:18px;padding:17px 20px;border-radius:16px;background:linear-gradient(135deg,#0db1eb 0%,#0284c7 100%);box-shadow:0 16px 30px rgba(0,167,232,.24)}
.popup .btn:hover{background:linear-gradient(135deg,#08a2da 0%,#0278b3 100%)}
.popup-cta-note{margin-top:12px;text-align:center;color:#5d6b77;font-size:13px;font-weight:600}
.popup-footer-note{margin-top:14px;padding-top:14px;border-top:1px solid #e7eef3;display:flex;flex-direction:column;gap:8px}
.popup-disclosure{font-size:12px;color:#76838d;line-height:1.55;margin:0;text-align:center}
.popup-safe{display:inline-flex;align-self:center;gap:6px;align-items:center;background:#f4f7f9;border:1px solid #e2eaee;color:#50616d;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
@media(max-width:480px){
  .popup{border-radius:22px}
  .popup-body{padding:22px 18px 20px}
  .popup-title{font-size:24px}
  .popup-subtitle{font-size:14px}
  .popup-point{grid-template-columns:40px 1fr;padding:12px}
  .popup-point-icon{width:40px;height:40px;border-radius:12px;font-size:18px}
  .popup .btn{font-size:17px;padding:16px 18px}
}


/* popup mobile optimization */
@media(max-width:640px){
  .popup-backdrop{padding:10px;align-items:flex-start;overflow-y:auto}
  .popup{width:min(100%,420px);max-height:calc(100dvh - 20px);margin:0 auto;border-radius:20px;overflow-y:auto;-webkit-overflow-scrolling:touch}
  .popup-hero-image{aspect-ratio:16/10;max-height:220px;object-fit:cover}
  .popup-head:not(.popup-image-head){padding:20px 18px}
  .popup-body{padding:18px 16px 18px}
  .popup-mini-label{font-size:10px;padding:6px 10px}
  .popup-title{font-size:22px;line-height:1.08;margin:12px 0 6px}
  .popup-subtitle{font-size:13px;line-height:1.45}
  .popup-points{gap:10px;margin:14px 0 16px}
  .popup-point{grid-template-columns:36px 1fr;gap:10px;padding:11px;border-radius:14px}
  .popup-point-icon{width:36px;height:36px;border-radius:10px;font-size:16px}
  .popup-point strong{font-size:14px;margin:0 0 3px}
  .popup-point span{font-size:12px;line-height:1.35}
  .popup-trust{gap:6px;margin:0 0 14px}
  .popup-trust span{font-size:11px;padding:6px 8px}
  .popup .btn{font-size:16px;padding:15px 16px;border-radius:14px}
  .popup-cta-note{margin-top:10px;font-size:12px}
  .popup-footer-note{margin-top:12px;padding-top:12px;gap:6px}
  .popup-safe{font-size:10px;padding:5px 8px}
  .popup-disclosure{font-size:11px;line-height:1.45}
  .popup-close{right:10px;top:10px;width:34px;height:34px;font-size:20px}
}
@media(max-width:640px) and (max-height:820px){
  .popup-hero-image{max-height:180px}
  .popup-points{gap:8px;margin:12px 0 14px}
  .popup-point{padding:10px}
  .popup-trust{display:none}
}