:root{--bg:#FFFFFF;color-scheme:light;--ink:#0A0A0F;--muted:#5B657B;--blue:#0048FC;--line:#D5DBE8;--card:#FFFFFF;--soft:#F5F7FB}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter','Helvetica Neue',Arial,sans-serif;line-height:1.5;
 padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
a{color:var(--blue)}
.w{max-width:1200px;margin:0 auto;position:relative;z-index:2}
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);margin:0 calc(-1*max(20px,env(safe-area-inset-left,0px)));padding:0 max(20px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line)}
header .w{display:flex;align-items:center;gap:24px;min-height:58px}
.mark{font-weight:800;letter-spacing:.16em;font-size:.82rem;color:var(--ink);text-decoration:none;white-space:nowrap}header nav{display:flex;gap:clamp(14px,2.2vw,30px);margin:0 auto}header nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.92rem;white-space:nowrap;opacity:.85}header nav a:hover{color:var(--blue);opacity:1}header .btn{white-space:nowrap}.mark b{color:var(--blue)}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;padding:10px 18px;border-radius:10px;font-size:.92rem}
:root:not([data-theme="light"]) .btn{}
section{position:relative;padding:clamp(56px,10vh,110px) 0;overflow:hidden;margin:0 calc(-1*max(20px,env(safe-area-inset-left,0px)));padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font-weight:600;font-size:1.05rem;display:inline-block;padding-bottom:8px;border-bottom:3px solid var(--blue);margin-bottom:clamp(18px,3vh,32px)}.eyebrow b{color:var(--blue);font-weight:600}
h1,h2{margin:0;font-weight:800;line-height:1.03;letter-spacing:-.03em}
h1{font-size:clamp(2.2rem,6vw,5rem);max-width:11em}h2{font-size:clamp(2rem,5vw,4.2rem);max-width:12em}
em{font-style:normal;color:var(--blue)}
.sub{color:var(--muted);font-size:clamp(1rem,1.5vw,1.25rem);max-width:32em;margin:18px 0 0}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:center}
/* backdrops */
.bd{position:absolute;right:0;top:0;width:min(62vw,980px);background:center/cover no-repeat;z-index:0;
 -webkit-mask-image:linear-gradient(to right,transparent 0,#000 38%),linear-gradient(to bottom,#000 70%,transparent 100%);-webkit-mask-composite:source-in;
 mask-image:linear-gradient(to right,transparent 0,#000 38%),linear-gradient(to bottom,#000 70%,transparent 100%);mask-composite:intersect}
.bd1{background-image:url(assets/rd-bd1.jpg);aspect-ratio:912/540}.bd2{background-image:url(assets/rd-bd2.jpg);aspect-ratio:832/470;opacity:.9}
.glow{position:absolute;right:12%;top:8%;width:28vw;max-width:420px;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(10,60,255,.22),rgba(10,60,255,0) 65%);z-index:0;animation:pulse 3.2s ease-in-out infinite;pointer-events:none}
@keyframes pulse{50%{transform:scale(1.12)}}
/* vitals */
.vit svg{width:100%;display:block;border-radius:16px;box-shadow:0 24px 60px rgba(10,20,50,.18)}
.scroll{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round;animation:run 2.6s linear infinite}@keyframes run{to{transform:translateX(-120px)}}
/* before during after */
.bda{display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:14px;max-width:880px;margin-top:clamp(28px,6vh,60px)}
.bda .wd{font-weight:600;font-size:clamp(1rem,2.2vw,1.7rem);color:var(--blue)}
.bda svg{width:100%;height:14px;overflow:visible}.bda path{fill:none;stroke:#8793AD;stroke-width:1.5;stroke-dasharray:4 5}.bda circle{fill:var(--blue)}
.card{background:var(--card);border-radius:22px;box-shadow:0 14px 50px rgba(10,20,50,.10);padding:clamp(18px,3vh,34px) clamp(20px,4vw,56px);display:flex;align-items:center;gap:clamp(16px,3vw,44px);flex-wrap:wrap;max-width:1000px;margin-top:clamp(20px,4vh,40px)}
.big{font-weight:800;font-size:clamp(3rem,9vw,6.4rem);line-height:1;letter-spacing:-.04em;border-left:1px solid var(--line);padding-left:clamp(14px,2.4vw,34px)}
.big small{font-size:.5em;font-weight:600;letter-spacing:-.02em;margin:0 .12em}.big b{color:var(--blue)}
.txt{font-weight:600;font-size:clamp(1rem,1.9vw,1.45rem);line-height:1.3}
.src{display:flex;gap:22px;flex-wrap:wrap;font-size:.78rem;margin-top:14px}.src a{color:var(--muted)}
/* solution */
.steps{display:grid;grid-template-columns:1fr minmax(40px,.5fr) 1fr minmax(40px,.5fr) 1fr;align-items:start;gap:clamp(8px,2vw,24px);max-width:1000px;margin-top:clamp(28px,6vh,56px)}
.st .t{font-weight:600;font-size:clamp(1.05rem,1.9vw,1.5rem)}.st .q{font-style:italic;color:var(--muted);font-size:clamp(.95rem,1.5vw,1.15rem);margin-top:4px}
.ar{width:100%;height:20px;margin-top:6px}.ar path{fill:none;stroke:var(--muted);stroke-width:1.6;stroke-dasharray:3 5}
.hl{transition:color .5s}
/* product */
.pv{position:relative;aspect-ratio:4/3;width:100%;max-width:640px;justify-self:end}
.tri{position:absolute;inset:0;width:100%;height:100%}.tri path{fill:none;stroke:#8793AD;stroke-width:1.5;stroke-dasharray:2 6;stroke-linecap:round;vector-effect:non-scaling-stroke}
.tile{z-index:1;position:absolute;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 38px rgba(10,20,50,.10);overflow:hidden}
.tile img{display:block;width:100%;height:auto}
.tile .cap{font-size:clamp(.62rem,1vw,.78rem);font-weight:600;letter-spacing:.06em;padding:8px 12px}.tile .cap b,.tsw .l b{color:var(--blue)}
.tile .n{position:absolute;top:8px;left:8px;width:24px;height:24px;border-radius:50%;background:var(--card);border:1px solid var(--line);font:600 .72rem Inter,sans-serif;display:grid;place-items:center;font-style:normal}
.tsw{left:30%;top:2%;width:40%;padding:14px 12px 12px;text-align:center}.tsw svg{width:34%;display:block;margin:0 auto 6px}.tsw .l{font-size:clamp(.62rem,1vw,.8rem);font-weight:600;letter-spacing:.05em;line-height:1.3}
.tse{left:0;top:42%;width:46%}
.tmo{right:0;top:36%;width:42%;background:transparent;border:0;box-shadow:none}.tmo img{mix-blend-mode:multiply;border-radius:14px}.tmo .cap{padding:6px 4px}
.parts{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px;max-width:34em}
.parts li{display:grid;grid-template-columns:92px 1fr;gap:14px;align-items:start}.pill{font-style:normal;font-weight:600;font-size:.7rem;letter-spacing:.08em;color:var(--blue);border:1px solid var(--blue);border-radius:999px;padding:4px 0;text-align:center;margin-top:2px}.parts .n{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;font-weight:600;font-size:.78rem}
.parts b{display:block}.parts span{color:var(--muted);font-size:.95rem}
.cta{text-align:left}.cta h2{margin-bottom:22px}
.disc{padding:28px 0 40px;font-size:.72rem;color:var(--muted)}
/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
@media (max-width:900px){header .w{flex-wrap:wrap;gap:6px 16px;padding:8px 0}header .btn{margin-left:auto;padding:8px 12px;font-size:.8rem}header nav{order:3;width:100%;margin:0;overflow-x:auto;padding:4px 0 6px;scrollbar-width:none}header nav::-webkit-scrollbar{display:none}}
@media (max-width:820px){.two{grid-template-columns:1fr}.bd{width:100vw;opacity:.35}.steps{grid-template-columns:1fr;gap:16px}.ar{display:none}.pv{justify-self:center}}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.scroll,.glow{animation:none}html{scroll-behavior:auto}}
/* ---- sub-page system ---- */
header nav a[aria-current="page"]{color:var(--blue);opacity:1}
.ph{padding-top:clamp(48px,9vh,96px);padding-bottom:clamp(20px,4vh,40px)}
.ph h1{max-width:14em}
.alt{background:var(--soft)}
section.tight{padding-top:clamp(40px,7vh,72px);padding-bottom:clamp(40px,7vh,72px)}
h3{font-size:clamp(1.15rem,2vw,1.5rem);margin:0 0 6px;letter-spacing:-.01em;font-weight:700}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);max-width:36em;color:var(--muted);margin:16px 0 0}
.g2,.g3{display:grid;gap:clamp(14px,2vw,26px);margin-top:clamp(22px,4vh,40px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cx{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:clamp(18px,2.6vw,30px);box-shadow:0 10px 34px rgba(10,20,50,.06)}
.cx p{margin:0;color:var(--muted)}
.cx .k{font-weight:600;font-size:.72rem;letter-spacing:.1em;color:var(--blue);margin-bottom:10px;display:block}
.note{font-size:.82rem;color:var(--muted);margin-top:18px;max-width:46em}
.btn.alt2{background:transparent;color:var(--blue);border:1px solid var(--blue)}
.row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
/* flow of 5 steps */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:clamp(26px,5vh,48px);position:relative;counter-reset:s}
.flow:before{content:"";position:absolute;left:5%;right:5%;top:20px;border-top:2px dashed var(--line)}
.fs{position:relative;text-align:center;padding:0 6px}
.fs i{font-style:normal;display:grid;place-items:center;width:42px;height:42px;margin:0 auto 12px;border-radius:50%;background:var(--card);border:1.5px solid var(--line);font-weight:700;color:var(--muted);transition:.35s;position:relative;z-index:1}
.fs b{display:block;font-size:1.05rem}.fs span{display:block;color:var(--muted);font-size:.9rem;margin-top:2px}
.fs.on i{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 0 0 6px rgba(0,72,252,.14)}
.fs.on b{color:var(--blue)}
/* tabs */
.tabs{display:inline-flex;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:5px;margin-top:clamp(22px,4vh,38px);flex-wrap:wrap}
.tabs button{font:600 .9rem Inter,sans-serif;border:0;background:transparent;color:var(--ink);padding:9px 20px;border-radius:999px;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--blue);color:#fff}
.panel{display:none;margin-top:26px}.panel.on{display:grid;animation:fi .4s ease}
@keyframes fi{from{opacity:0;transform:translateY(8px)}}
.panel{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(20px,4vw,56px);align-items:center}
.panel ul{margin:14px 0 0;padding-left:1.1em;color:var(--muted)}.panel li{margin:6px 0}
.panel .pimg{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 12px 38px rgba(10,20,50,.1)}
.panel .pimg img{display:block;width:100%}
.ico{width:100%;aspect-ratio:4/3;display:block}
/* tables */
.tw{overflow-x:auto;margin-top:clamp(20px,4vh,36px);border:1px solid var(--line);border-radius:18px;background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:0}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.72rem;letter-spacing:.1em;color:var(--muted);font-weight:600}tr:last-child td{border-bottom:0}
td.kbo{color:var(--blue);font-weight:600}
/* gauge */
.gauge{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:clamp(18px,3vw,36px);box-shadow:0 14px 50px rgba(10,20,50,.08);margin-top:clamp(22px,4vh,40px)}
.bar{display:flex;height:64px;border-radius:14px;overflow:hidden;border:1px solid var(--line);position:relative}
.bar button{border:0;cursor:pointer;padding:0;position:relative;transition:filter .2s}
.bar button:hover{filter:brightness(.94)}.bar button[aria-pressed="true"]{box-shadow:inset 0 0 0 3px var(--blue)}
.needle{position:relative;height:34px;margin-top:6px}.needle i{position:absolute;top:0;width:0;transition:left .35s cubic-bezier(.2,.8,.2,1)}
.needle i:before{content:"";position:absolute;left:-8px;top:0;border:8px solid transparent;border-bottom:12px solid var(--ink);border-top:0}
.needle i b{position:absolute;left:0;top:14px;transform:translateX(-50%);font-size:.8rem;font-weight:700;white-space:nowrap}
.scale{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted);letter-spacing:.06em;margin-top:2px}
input[type=range]{width:100%;margin:18px 0 6px;accent-color:var(--blue)}
.zinfo{display:grid;grid-template-columns:auto 1fr auto;gap:16px 28px;align-items:center;margin-top:14px}
.zinfo .sw{width:44px;height:44px;border-radius:12px;border:1px solid var(--line)}
.zinfo h3{margin:0}.zinfo p{margin:2px 0 0;color:var(--muted);font-size:.92rem}.zinfo .m{font-weight:700;font-size:1.6rem;text-align:right}.zinfo .m small{display:block;font-size:.7rem;font-weight:600;color:var(--muted);letter-spacing:.08em}
.dot{display:inline-block;width:14px;height:14px;border-radius:50%;border:1px solid var(--line);vertical-align:-2px;margin-right:8px}
/* team */
.tm{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,2vw,26px);margin-top:clamp(22px,4vh,40px)}
.pp{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;display:grid;grid-template-columns:76px 1fr;gap:16px;align-items:center;box-shadow:0 10px 34px rgba(10,20,50,.06)}
.av{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,#E6ECFF,#F7F9FF);border:1px solid var(--line);display:grid;place-items:center;font-weight:700;color:var(--blue);overflow:hidden;position:relative}
.av img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pp b{display:block;font-size:1.05rem}.pp span{color:var(--muted);font-size:.9rem;display:block;margin-top:2px}
.adv{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}.adv div{border-top:2px solid var(--blue);padding-top:12px}.adv b{display:block}.adv span{color:var(--muted);font-size:.9rem}
/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 20px;margin-top:12px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--blue);font-size:1.3rem;line-height:1}details[open] summary:after{content:"–"}
details p{margin:10px 0 0;color:var(--muted)}
/* roadmap */
.road{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:clamp(22px,4vh,40px);position:relative}
.road:before{content:"";position:absolute;left:0;right:0;top:11px;border-top:2px dashed var(--line)}
.rd{position:relative;padding:34px 18px 0 0}.rd:before{content:"";position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(0,72,252,.15)}
.rd:nth-child(n+2):before{background:var(--card);border:2px solid var(--blue);box-shadow:none}
.rd b{display:block;font-size:1.05rem}.rd span{color:var(--muted);font-size:.92rem}
/* footer */
footer{border-top:1px solid var(--line);margin:0 calc(-1*max(20px,env(safe-area-inset-left,0px)));padding:36px max(20px,env(safe-area-inset-left,0px)) 40px;font-size:.82rem;color:var(--muted)}
footer .w{display:flex;gap:24px 48px;flex-wrap:wrap;justify-content:space-between;align-items:flex-start}
footer nav{display:flex;gap:10px 22px;flex-wrap:wrap}footer nav a{color:var(--ink);text-decoration:none}footer nav a:hover{color:var(--blue)}
footer p{margin:8px 0 0;max-width:34em}
.cite{font-size:.86rem;color:var(--muted);margin-top:10px}
@media (max-width:900px){.g3,.tm,.adv{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr;gap:18px}.flow:before{display:none}.fs{text-align:left;display:grid;grid-template-columns:42px 1fr;gap:0 14px;align-items:center}.fs i{margin:0;grid-row:span 2}.panel{grid-template-columns:1fr}}
@media (max-width:620px){th,td{padding:12px 12px;font-size:.9rem}.g2,.g3,.tm,.adv,.road{grid-template-columns:1fr}.road:before{display:none}.rd{padding:0 0 18px 28px}.rd:before{top:6px}.zinfo{grid-template-columns:auto 1fr}.zinfo .m{grid-column:1/-1;text-align:left}.bar{height:54px}}
/* level product tiles */
.tse,.tmo{top:40%;width:45%}
.tse{left:0}.tmo{right:0}
.tile img{aspect-ratio:1/1;object-fit:cover;width:100%;height:auto}
.tmo img{object-fit:contain}
.tmo .cap{padding:8px 12px}

.film{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#EEF2FA,#F8FAFD);border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 38px rgba(10,20,50,.1)}
.film video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;background:transparent}
.film .cn{position:absolute;left:14px;bottom:12px;font-size:.7rem;letter-spacing:.08em;font-weight:600;color:var(--muted);background:rgba(255,255,255,.85);padding:4px 9px;border-radius:999px;z-index:2}
/* picture steps */
.flow.pics{grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(10px,1.6vw,22px)}
.flow.pics:before{display:none}
.flow.pics .fs{text-align:center;display:block;padding:0}
.flow.pics .fs img{display:block;width:100%;aspect-ratio:300/405;object-fit:cover;border-radius:18px;border:1px solid var(--line);margin-bottom:14px;transition:box-shadow .35s}
.flow.pics .fs i{margin:0 auto 10px;grid-row:auto}
.flow.pics .fs.on img{box-shadow:0 0 0 3px var(--blue)}
@media (max-width:900px){.flow.pics{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.flow.pics{grid-template-columns:repeat(2,minmax(0,1fr))}}

.mark img{display:block;height:32px;width:auto}