:root{--bg:#FFFFFF;--bg2:#F6F9FC;--line:#E6EBF1;--tx:#0A2540;--mut:#425466;--c1:#635BFF;--c2:#4F46E5;--c1-rgb:99,91,255;--tx-rgb:10,37,64}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--tx);font:16px/1.8 "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.top{position:sticky;top:0;z-index:9;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}.brand-logo{height:28px;width:auto;display:block}.brand b{display:block;font-size:18px;letter-spacing:2px;color:var(--tx)}.brand small{display:block;font-size:11px;color:var(--mut);letter-spacing:1.5px;line-height:1}
.nav{display:flex;gap:26px;font-size:15px}.nav a{color:var(--mut);transition:.2s}.nav a:hover,.nav a.on{color:var(--c1)}.nav a.on{font-weight:600}
.menu{display:none;background:none;border:1px solid var(--line);color:var(--tx);font-size:20px;border-radius:8px;padding:2px 10px}
.crumb{font-size:13px;color:var(--mut);padding-top:18px}.crumb a:hover{color:var(--c1)}
.hero{padding:90px 0 60px}.hgrid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.eyebrow{color:var(--c1);letter-spacing:4px;font-size:13px;margin-bottom:16px;font-weight:600}
h1{font-size:clamp(34px,5vw,60px);line-height:1.2;font-weight:700;letter-spacing:1px;color:var(--tx)}
.grad{background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mut);font-size:18px;margin:22px 0 0;max-width:720px}
.lead a{color:var(--c1)}.lead a:hover{color:var(--c2)}
.btns{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 30px;border-radius:999px;background:var(--c1);color:#fff;font-weight:600;box-shadow:0 4px 14px rgba(var(--c1-rgb),.28);transition:.25s}.btn:hover{transform:translateY(-2px);background:var(--c2);box-shadow:0 8px 22px rgba(var(--c1-rgb),.35)}
.btn.ghost{background:transparent;color:var(--tx);border:1px solid var(--line);box-shadow:none}.btn.ghost:hover{border-color:var(--c1);color:var(--c1);background:transparent}
.hero-art{width:100%;filter:drop-shadow(0 12px 32px rgba(var(--c1-rgb),.18))}
.hero-photo{margin:0;border-radius:0;overflow:visible;border:none;background:transparent;box-shadow:none}
.hero-photo img{display:block;width:100%;height:auto}
.beams path{stroke-dasharray:8 10;animation:flow 2.4s linear infinite}@keyframes flow{to{stroke-dashoffset:-36}}
.sec{padding:70px 24px}.st{font-size:clamp(26px,3vw,36px);font-weight:600;margin-bottom:12px;color:var(--tx)}.st:after{content:"";display:block;width:48px;height:3px;margin-top:14px;background:linear-gradient(90deg,var(--c1),var(--c2));border-radius:2px}
.sd{color:var(--mut);margin-bottom:34px}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard,.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;transition:.3s;box-shadow:0 2px 8px rgba(var(--tx-rgb),.04)}
.pcard:hover,.card:hover{border-color:rgba(var(--c1-rgb),.45);transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(var(--c1-rgb),.35)}
.tag{font-size:30px;font-weight:700;letter-spacing:2px}.pcard .tag{background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.pcard h3,.card h3{font-size:18px;margin:10px 0 8px;color:var(--tx)}.pcard p,.card p{color:var(--mut);font-size:14.5px}.more{display:block;margin-top:16px;color:var(--c1);font-size:14px}.more:hover{color:var(--c2)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:30px}
.ico{width:44px;height:44px;fill:none;stroke:var(--c1);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.also{margin-top:28px;padding:24px 28px;border-left:3px solid var(--c1);background:rgba(var(--c1-rgb),.06);border-radius:0 14px 14px 0}.also h3{margin-bottom:6px;color:var(--tx)}.also p{color:var(--mut)}.also small{display:block;margin-top:6px}
.about p{color:var(--mut);max-width:820px;margin:20px 0 28px}
.about a:not(.btn){color:var(--c1)}.about a:not(.btn):hover{color:var(--c2)}
.cta{text-align:center;margin:60px auto 90px;padding:70px 24px;border:1px solid var(--line);border-radius:26px;background:radial-gradient(600px 200px at 50% 0,rgba(var(--c1-rgb),.12),transparent),var(--bg2)}.cta h2{color:var(--tx)}.cta p{color:var(--mut);margin:14px 0 30px}
.phero{padding:70px 24px 20px}
.prose{color:var(--mut);max-width:900px;font-size:17px;margin-top:18px}
.tbl{overflow-x:auto;margin-top:24px;border:1px solid var(--line);border-radius:16px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:15px}caption{text-align:left;padding:16px 20px;color:var(--mut);font-size:13px}
th,td{padding:14px 20px;border-top:1px solid var(--line);text-align:left;vertical-align:top}tbody th{color:var(--c1);font-weight:500;white-space:nowrap;width:28%}thead th{background:rgba(var(--c1-rgb),.06);color:var(--tx)}
.note{color:var(--mut);font-size:13px;margin-top:14px}
.faq{margin-top:24px}details{border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:14px;background:#fff}summary{cursor:pointer;font-weight:600;color:var(--tx)}details p{color:var(--mut);margin-top:10px}
.path{width:100%;height:auto}
.foot{border-top:1px solid transparent;background:#019fe1;padding-top:50px;color:rgba(255,255,255,.72);font-size:14px}.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.foot h3{color:#fff;font-size:15px;margin-bottom:10px}.foot .fgrid a:not(.brand){display:block;line-height:2;color:rgba(255,255,255,.72)}.foot p{margin-top:14px}.foot a:hover{color:#fff}.foot .brand b{color:#fff}.foot .brand small{color:rgba(255,255,255,.55)}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 24px;font-size:13px;color:rgba(255,255,255,.55)}.legal a{color:rgba(255,255,255,.72)}.legal a:hover{color:#fff}
.nf{text-align:center;padding:160px 24px}.nf h1{font-size:120px;color:var(--c1)}.nf .btn{margin-top:30px}.nf .lead{margin:10px auto}
@media(max-width:960px){.hgrid{grid-template-columns:1fr}.pgrid{grid-template-columns:repeat(2,1fr)}.menu{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line)}.nav.open{display:flex}.nav a{padding:14px 24px}}
@media(max-width:600px){.pgrid,.fgrid{grid-template-columns:1fr}.hero{padding:50px 0 30px}.sec{padding:50px 24px}.lead{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/*hs*/
.nav{gap:18px;font-size:14.5px}.fgrid{grid-template-columns:1.6fr 1fr 1fr 1fr}.pgrid.g3{grid-template-columns:repeat(3,1fr)}.pgrid.g2{grid-template-columns:repeat(2,1fr)}
.zlist{list-style:none;padding:0;margin-top:22px;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:12px}.zlist a{display:block;padding:14px 18px;border:1px solid var(--line);border-radius:12px;color:var(--mut);background:#fff;transition:.2s}.zlist a:hover{border-color:var(--c1);color:var(--c1)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.chip{padding:6px 16px;border:1px solid var(--line);border-radius:999px;color:var(--mut);font-size:14px;background:#fff}.chip:hover{color:var(--c1);border-color:var(--c1)}
.art{max-width:980px}.art .phero{padding-left:0;padding-right:0}.meta{color:var(--mut);font-size:13px;margin-top:16px}.defn{margin-top:10px;padding:20px 24px;border-left:3px solid var(--c1);background:rgba(var(--c1-rgb),.06);border-radius:0 14px 14px 0;color:var(--tx)}.toc{margin-top:24px;padding:18px 24px;border:1px solid var(--line);border-radius:14px;color:var(--mut);font-size:14.5px;background:#fff}.toc ol{margin:8px 0 0 20px}
.art-body{max-width:none}.art-body h2{font-size:26px;margin:44px 0 12px;color:var(--tx)}.art-body h3{font-size:19px;margin:26px 0 8px;color:var(--c1);font-weight:600}.art-body p{margin-top:12px;color:var(--mut)}.art-body ul{margin:12px 0 0 22px;color:var(--mut)}.art-body li{margin-top:6px}.art-body a,.prose a,.note a{color:var(--c1);border-bottom:1px dashed rgba(var(--c1-rgb),.4)}.art-body a:hover,.prose a:hover,.note a:hover{color:var(--c2)}.art .sec{padding:50px 0}
.tbl table:has(thead){min-width:720px}.tbl table:has(thead) tbody th{width:auto;min-width:150px;white-space:normal}caption{white-space:normal}
@media(max-width:600px){th,td{padding:10px 12px;font-size:14px}tbody th{white-space:normal;width:34%}.tbl table:has(thead){min-width:640px}.btns .btn{text-align:center}.hero-art,.hero-photo{max-width:720px;margin:0 auto}}
@media(max-width:960px){.pgrid.g3{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.pgrid.g3,.pgrid.g2,.fgrid{grid-template-columns:1fr}.zlist{grid-template-columns:1fr}}

/* hero product shot sizing */
.hgrid{grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-photo{max-width:720px;width:100%;margin-left:auto;border-radius:0;overflow:visible;background:transparent}
.hero-photo img{display:block;width:100%;height:auto}
@media(max-width:960px){.hgrid{grid-template-columns:1fr}.hero-photo{max-width:560px;margin:12px auto 0}}
@media(max-width:600px){.hero-photo{max-width:440px}}



/* alternating section bands — full-bleed dark #019fe1 / light */
section.band-a,section.band-b{width:100%;max-width:none;margin:0;padding:0}

.band-a{background:#019fe1;color:#fff}
.band-a .st{color:#fff}
.band-a .st:after{background:linear-gradient(90deg,#fff,rgba(255,255,255,.55))}
.band-a .sd{color:rgba(255,255,255,.9)}
.band-a > .more,.band-a > p > .more{color:#fff}
.band-a .zlist a{background:#fff;color:var(--mut)}
.band-b{background:var(--bg)}
.hero{background:#FFFFFF}
.band-a .cta,.cta.band-a{background:transparent;border:none;border-radius:0;margin:0 auto;color:#fff;padding:70px 24px}
.cta.band-a{background:#019fe1;border:1px solid rgba(255,255,255,.2);color:#fff}
.cta.band-a h2,.cta.band-a p,.band-a .cta h2,.band-a .cta p{color:#fff}
.cta.band-b{background:linear-gradient(180deg,#EEF0FF 0%,#F6F9FC 100%);border:1px solid rgba(99,91,255,.16)}
.sec.band-a,.sec.band-b,.band-a .sec,.band-b .sec{padding-top:72px;padding-bottom:72px}
.band-a.about p,.band-a .about p{color:rgba(255,255,255,.9)}
.band-a.about a:not(.btn),.band-a .about a:not(.btn){color:#fff}
.band-a .btn.ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.band-a .btn.ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.band-a .note{color:rgba(255,255,255,.75)}
.hero-photo img{filter:none}

/* ===== premium homepage 20261023k ===== */
.hero-premium{padding:110px 0 72px;background:
  radial-gradient(900px 420px at 85% 20%,rgba(var(--c1-rgb),.08),transparent 60%),
  radial-gradient(700px 360px at 10% 80%,rgba(1,159,225,.06),transparent 55%),
  #fff}
.hero-premium h1{font-size:clamp(36px,5.2vw,64px);letter-spacing:.5px;line-height:1.15}
.hero-premium .lead{font-size:18.5px;line-height:1.85;margin-top:26px;max-width:560px}
.hero-premium .btns{margin-top:40px}
.hero-premium .hero-photo{filter:drop-shadow(0 28px 48px rgba(10,37,64,.12))}

.pcard,.card{border:1px solid rgba(10,37,64,.06);box-shadow:0 1px 2px rgba(10,37,64,.04),0 8px 24px -12px rgba(10,37,64,.08);border-radius:16px}
.pcard:hover,.card:hover{border-color:rgba(var(--c1-rgb),.35);box-shadow:0 4px 8px rgba(10,37,64,.04),0 22px 48px -20px rgba(var(--c1-rgb),.4)}

/* product cards — media-top + body (match Luna reference) */
.pcard.pcard-media{display:flex;flex-direction:column;padding:0;overflow:hidden;background:#fff;border-radius:22px;border:1px solid rgba(10,37,64,.06);box-shadow:0 2px 4px rgba(10,37,64,.04),0 14px 36px -16px rgba(10,37,64,.18)}
.pcard.pcard-media:hover{transform:translateY(-4px);border-color:rgba(var(--c1-rgb),.35);box-shadow:0 6px 12px rgba(10,37,64,.05),0 28px 56px -22px rgba(var(--c1-rgb),.38)}
.pcard-thumb{flex:0 0 auto;aspect-ratio:16/10;min-height:148px;max-height:200px;display:flex;align-items:center;justify-content:center;padding:22px 28px;background:#E8EAF0;border-bottom:1px solid rgba(10,37,64,.04);overflow:hidden}
.pcard-thumb img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;object-position:center;display:block}
.pcard-thumb-dark{background:#E8EAF0} /* keep light well even if class present */
.pcard-body{flex:1;display:flex;flex-direction:column;padding:22px 24px 24px;background:#fff;text-align:left}
.pcard-media .tag{display:block;margin:0;padding:0;font-size:28px;font-weight:700;letter-spacing:1.5px;line-height:1.15;background:none;-webkit-background-clip:unset;background-clip:unset;color:var(--c1)}
.pcard-media h3{margin:8px 0 10px;padding:0;font-size:17px;font-weight:700;color:var(--tx);line-height:1.35}
.pcard-media p{flex:1;margin:0;padding:0;color:var(--mut);font-size:14.5px;line-height:1.7}
.pcard-media .more{display:inline-block;margin-top:16px;padding:0;color:var(--c1);font-size:14px;font-weight:600}
.pcard-media .more:hover{color:var(--c2)}
.band-a .pcard-media{background:#fff;color:var(--tx)}
.band-a .pcard-media .tag{color:var(--c1);background:none;-webkit-background-clip:unset;background-clip:unset}
.band-a .pcard-media h3{color:var(--tx)}
.band-a .pcard-media p{color:var(--mut)}
.band-a .pcard-media .more{color:var(--c1)}
.band-a .pcard-media:hover{border-color:rgba(255,255,255,.55)}

/* cinematic full-bleed bands */
.cine-band{position:relative;width:100%;background:#0a1628;background-image:var(--cine);background-size:cover;background-position:center;color:#fff;isolation:isolate}
.cine-band::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(6,18,36,.88) 0%,rgba(6,18,36,.72) 45%,rgba(1,159,225,.45) 100%);z-index:0}
.cine-band-deep::before{background:linear-gradient(115deg,rgba(4,10,24,.92) 0%,rgba(8,20,40,.78) 50%,rgba(99,91,255,.35) 100%)}
.cine-overlay{position:relative;z-index:1}
.cine-band .st{color:#fff}
.cine-band .st:after{background:linear-gradient(90deg,#fff,rgba(255,255,255,.4))}
.cine-band .sd{color:rgba(255,255,255,.88)}
.cine-band .more,.cine-band .more-light{color:#fff}
.cine-band .more:hover,.cine-band .more-light:hover{color:rgba(255,255,255,.85)}
.cards-glass .card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);box-shadow:none;color:#fff}
.cards-glass .card h3{color:#fff}
.cards-glass .card p{color:rgba(255,255,255,.82)}
.cards-glass .ico{stroke:#fff}
.zlist-glass{grid-template-columns:1fr}
.zlist-glass a{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.92);backdrop-filter:blur(8px)}
.zlist-glass a:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff}

/* editorial splits */
.split-ed{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-ed-rev{grid-template-columns:.95fr 1.05fr}
.split-visual{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 20px 50px -24px rgba(0,0,0,.45);background:rgba(0,0,0,.15)}
.split-visual img{display:block;width:100%;height:auto;max-width:100%}
.split-visual-light{background:linear-gradient(180deg,#F6F9FC,#EEF2F8);box-shadow:0 16px 40px -20px rgba(10,37,64,.18);border:1px solid rgba(10,37,64,.06)}
.split-visual-round{border-radius:20px}
.split-link{margin-top:22px}
.cards-tight{margin-top:22px}
.band-a .split-visual{border:1px solid rgba(255,255,255,.2)}
.band-a .card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);box-shadow:none;color:#fff}
.band-a .card h3{color:#fff}
.band-a .card p{color:rgba(255,255,255,.88)}
.band-a .cards-tight .card{backdrop-filter:blur(6px)}

.cta-premium{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:center;text-align:left;border:1px solid rgba(255,255,255,.22);border-radius:22px;padding:48px 40px;background:rgba(255,255,255,.08);margin:40px auto 70px;max-width:1000px}
.cta-premium h2,.cta-premium p{color:#fff}
.cta-visual{width:180px;height:180px;border-radius:18px;overflow:hidden;background:linear-gradient(160deg,#0B1220,#1a2a44);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.15)}
.cta-visual img{max-width:92%;max-height:92%;object-fit:contain}
.cta-band .cta{border:none}
.cta-copy .btn{background:#fff;color:var(--c1);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.cta-copy .btn:hover{background:#F6F9FC;color:var(--c2);transform:translateY(-2px)}

.about-split .about p{max-width:none}

@media(max-width:960px){
  .split-ed,.split-ed-rev{grid-template-columns:1fr;gap:28px}
  .split-ed-rev .split-visual{order:-1}
  .cta-premium{grid-template-columns:1fr;text-align:center;padding:36px 24px}
  .cta-visual{margin:0 auto}
  .hero-premium{padding:70px 0 48px}
}
@media(max-width:600px){
  .pcard-thumb{min-height:120px;max-height:160px;padding:16px 18px}
  .pcard-body{padding:18px 18px 20px}
  .pcard-media .tag{font-size:24px}
  .cta-visual{width:140px;height:140px}
  .sec{padding:56px 24px}
}