:root{--ink:#111114;--muted:#6b6b73;--line:#e6e6eb;--paper:#f5f5f7;--card:#fff;--red:#d42a1f;--orange:#ff8a00;--dark:#0b0b0d;--dark2:#16161a;--grad:linear-gradient(120deg,#e0301e 0%,#ff8a00 100%);--r:22px;--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--red);font-weight:700}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(224,48,30,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(224,48,30,.45)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#2a2a30}
.nav{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(11,11,13,.72);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav .wrap{height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:.04em}
.brand img{width:34px;height:34px}
.brand small{display:block;font-size:11px;font-weight:500;color:#a1a1aa;letter-spacing:.08em}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:#d4d4d8;font-size:14px}
.nav-links a:hover{color:#fff}
.nav-links .btn{padding:8px 16px;font-size:14px;color:#fff}
.menu-btn{display:none;background:none;border:0;color:#fff;width:40px;height:40px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:#fff;margin:5px auto;border-radius:2px;transition:.25s}
.hero{background:radial-gradient(1200px 600px at 75% 30%,rgba(255,138,0,.18),transparent 60%),radial-gradient(900px 600px at 10% 80%,rgba(212,42,31,.22),transparent 60%),var(--dark);color:#fff;padding:120px 0 70px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin:14px 0 18px}
.hero p.lead{font-size:clamp(16px,1.6vw,20px);color:#c4c4cc;max-width:540px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 36px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:540px}
.stat{border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:14px 16px;background:rgba(255,255,255,.04)}
.stat b{display:block;font-size:26px;font-weight:800;line-height:1.2}
.stat span{font-size:12px;color:#a1a1aa}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:12% 6% 6%;background:radial-gradient(closest-side,rgba(255,138,0,.35),transparent);filter:blur(30px)}
.hero-visual img{position:relative;width:100%;filter:drop-shadow(0 40px 50px rgba(0,0,0,.6));animation:float 6s ease-in-out infinite}
.hero-tag{position:absolute;right:4%;bottom:6%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);border-radius:14px;padding:10px 14px;font-size:13px;color:#e4e4e7}
.hero-tag b{color:#fff}
@keyframes float{50%{transform:translateY(-12px)}}
.proto-strip{margin-top:46px;border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#a1a1aa;font-size:13px}
.chip{display:inline-block;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;background:#f0f0f3;color:#333;border:1px solid var(--line)}
.hero .chip{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#e4e4e7}
.chip.new{background:linear-gradient(120deg,rgba(224,48,30,.12),rgba(255,138,0,.14));border-color:rgba(255,138,0,.4);color:#c2410c}
section{padding:96px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 54px}
.sec-head h2{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:10px 0 14px}
.sec-head p{color:var(--muted);font-size:clamp(15px,1.4vw,18px)}
.dark{background:var(--dark);color:#fff}
.dark .sec-head p{color:#a1a1aa}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pillar{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.pillar .ic{width:44px;height:44px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;margin-bottom:16px}
.pillar h3{font-size:20px;margin-bottom:8px}
.pillar p{color:var(--muted);font-size:15px}
.flow{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;text-align:center}
.flow .node{padding:14px 20px;border-radius:14px;background:var(--paper);min-width:150px}
.flow .node b{display:block}.flow .node span{font-size:13px;color:var(--muted)}
.flow .node.hl{background:var(--dark);color:#fff}.flow .node.hl span{color:#fbbf77}
.flow .arrow{color:var(--orange);font-size:22px;font-weight:800}
.note{font-size:12.5px;color:#8e8e96;margin-top:14px;text-align:center}
.dark .note{color:#71717a}
.tabs{display:flex;justify-content:center;gap:8px;margin:-24px auto 40px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;font-weight:600;font-size:14px;cursor:pointer;color:#3f3f46;font-family:inherit}
.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.product{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:stretch;margin-bottom:28px;scroll-margin-top:80px}
.product.rev .gallery{order:2}
.gallery{background:linear-gradient(160deg,#ffffff,#ececf1);border:1px solid var(--line);border-radius:28px;padding:26px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden}
.gallery .main{flex:1;display:grid;place-items:center;min-height:300px}
.gallery .main img{max-height:400px;width:auto;object-fit:contain;filter:drop-shadow(0 26px 30px rgba(0,0,0,.18));transition:opacity .3s}
.thumbs{display:flex;gap:10px;justify-content:center}
.thumbs button{border:1px solid var(--line);background:#fff;border-radius:12px;padding:6px 12px;font-size:13px;cursor:pointer;color:#52525b;font-family:inherit;font-weight:600}
.thumbs button.on{border-color:var(--orange);color:#c2410c;box-shadow:0 0 0 3px rgba(255,138,0,.15)}
.badge{position:absolute;left:22px;top:20px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;z-index:2}
.badge.gray{background:#27272a}
.info{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:34px;display:flex;flex-direction:column}
.info .kicker{font-size:13px;color:var(--muted);font-weight:600}
.info h3{font-size:clamp(28px,3vw,38px);font-weight:800;letter-spacing:-.01em;line-height:1.15;margin:6px 0 6px}
.info .tagline{font-size:18px;color:#3f3f46;margin-bottom:20px}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}
.kv div{background:var(--paper);border-radius:14px;padding:12px}
.kv b{display:block;font-size:22px;font-weight:800;line-height:1.2}
.kv span{font-size:12px;color:var(--muted)}
.info h4{font-size:13px;color:var(--muted);font-weight:600;margin:6px 0 8px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.ticks{list-style:none;display:grid;gap:8px;margin-bottom:16px}
.ticks li{padding-left:26px;position:relative;font-size:15px;color:#27272a}
.ticks li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--grad);-webkit-mask:radial-gradient(circle,#000 0 3px,transparent 3.5px),linear-gradient(#000,#000);mask:none;box-shadow:inset 0 0 0 5px #fff;border:1px solid rgba(255,138,0,.5)}
.info .foot{margin-top:auto;font-size:12.5px;color:#8e8e96;border-top:1px dashed var(--line);padding-top:12px}
.upgrade{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center;margin-bottom:34px}
.upg-card{background:var(--dark2);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:22px;text-align:center}
.upg-card img{margin:10px auto 14px;max-height:200px;width:auto;filter:drop-shadow(0 20px 26px rgba(0,0,0,.6))}
.upg-card.new{border-color:rgba(255,138,0,.45);background:linear-gradient(160deg,#1d1a17,#16161a)}
.upg-card .lbl{font-size:13px;color:#a1a1aa}
.upg-card b{font-size:18px}
.upg-arrow{font-size:34px;font-weight:800}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.three .c{background:var(--dark2);border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:24px}
.three .c .n{font-size:13px;color:var(--orange);font-weight:700}
.three .c h3{font-size:21px;margin:6px 0 8px}
.three .c p{color:#a1a1aa;font-size:15px}
.timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.timeline::before{content:"";position:absolute;left:8%;right:8%;top:30px;height:3px;background:linear-gradient(90deg,#52525b,#a1a1aa 40%,var(--orange));border-radius:3px}
.step{position:relative;text-align:center}
.dot{width:60px;height:60px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;font-weight:800;font-size:18px;background:#fff;border:3px solid #a1a1aa;color:#52525b;position:relative;z-index:1}
.step.now .dot{background:var(--grad);border-color:#fff;color:#fff;box-shadow:0 0 0 6px rgba(255,138,0,.18)}
.step .card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;text-align:left;height:calc(100% - 78px);display:flex;flex-direction:column}
.step.now .card{border-color:rgba(255,138,0,.5);box-shadow:0 18px 40px rgba(255,138,0,.12)}
.step .card .img{height:150px;display:grid;place-items:center;background:linear-gradient(160deg,#fff,#efeff3);border-radius:16px;margin-bottom:16px;padding:10px}
.step .card .img img{max-height:130px;width:auto;filter:drop-shadow(0 14px 16px rgba(0,0,0,.18))}
.step .gen{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.06em}
.step h3{font-size:20px;margin:2px 0 10px}
.step ul{list-style:none;display:grid;gap:6px;font-size:14px;color:#3f3f46;margin-bottom:12px}
.step ul li::before{content:"— ";color:var(--orange)}
.step .chips{margin:auto 0 0}
.step .chip{font-size:12px;padding:3px 10px}
.tl-foot{margin-top:30px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;font-size:15px}
.tl-foot b{color:var(--red)}
.choose{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ch{border-radius:28px;padding:32px;border:1px solid var(--line);background:#fff}
.ch.k8{background:var(--dark);color:#fff;border-color:#000}
.ch .eyebrow{color:var(--orange)}
.ch h3{font-size:32px;font-weight:800;margin:6px 0 4px}
.ch .hz{font-size:15px;color:var(--muted);margin-bottom:16px}.ch.k8 .hz{color:#a1a1aa}
.ch ul{list-style:none;display:grid;gap:9px;margin-bottom:18px}
.ch ul li{padding-left:22px;position:relative;font-size:15px}
.ch ul li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800}
.ch .warn{font-size:13.5px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:14px;padding:12px 14px}
.ch.k8 .warn{background:rgba(255,138,0,.1);border-color:rgba(255,138,0,.35);color:#fdba74}
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:24px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:860px;font-size:14px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:#fafafa;font-size:13px;position:sticky;top:0}
thead th small{display:block;font-weight:500;color:var(--muted)}
th.hl,td.hl{background:#fff8f1}
tbody th{color:var(--muted);font-weight:600;white-space:nowrap;width:120px}
tr:last-child td,tr:last-child th{border-bottom:0}
.tag-old{display:inline-block;font-size:11px;background:#f4f4f5;color:#71717a;border-radius:6px;padding:1px 6px;margin-left:4px}
.tag-new{display:inline-block;font-size:11px;background:var(--grad);color:#fff;border-radius:6px;padding:1px 6px;margin-left:4px}
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 22px}
summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;font-size:16px;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;line-height:1;color:var(--orange);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 18px;color:#3f3f46;font-size:15px}
.cta{background:radial-gradient(800px 400px at 80% 0%,rgba(255,138,0,.25),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(212,42,31,.3),transparent 60%),var(--dark);color:#fff;border-radius:32px;padding:56px 40px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center}
.cta h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.15;margin:8px 0 12px}
.cta p{color:#c4c4cc}
.cta ul{list-style:none;display:grid;gap:10px}
.cta li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:12px 16px;font-size:14.5px}
.cta li b{color:#fdba74;margin-right:6px}
.service{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.service div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.service b{display:block;font-size:17px;margin-bottom:4px}
.service span{color:var(--muted);font-size:14px}
footer{background:var(--dark);color:#a1a1aa;padding:46px 0 34px;font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
footer .links{display:flex;gap:22px;flex-wrap:wrap}
footer a:hover{color:#fff}
footer .copy{width:100%;border-top:1px solid rgba(255,255,255,.08);padding-top:18px;margin-top:8px;font-size:12px;color:#71717a}
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.hero-visual img{animation:none}}
@media (max-width:960px){
 .hero .wrap,.product,.cta,.choose{grid-template-columns:1fr}
 .product.rev .gallery{order:0}
 .hero{padding-top:96px}
 .hero-visual{max-width:560px;margin:0 auto}
 .pillars,.three,.service{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr;gap:26px}
 .timeline::before{left:29px;right:auto;top:20px;bottom:20px;width:3px;height:auto;background:linear-gradient(180deg,#52525b,#a1a1aa 40%,var(--orange))}
 .step{display:grid;grid-template-columns:60px 1fr;gap:16px;text-align:left}
 .dot{margin:0}
 .step .card{height:auto}
}
@media (max-width:760px){
 section{padding:68px 0}
 .nav-links{position:fixed;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:rgba(11,11,13,.97);padding:8px 20px 20px;transform:translateY(-120%);transition:transform .3s;border-bottom:1px solid rgba(255,255,255,.08)}
 .nav-links a{padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.06);font-size:16px}
 .nav-links .btn{margin-top:14px;justify-content:center;padding:12px}
 .nav.open .nav-links{transform:none}
 .nav.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
 .nav.open .menu-btn span:nth-child(2){opacity:0}
 .nav.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
 .menu-btn{display:block}
 .info,.gallery{padding:22px;border-radius:22px}
 .gallery .main{min-height:220px}
 .gallery .main img{max-height:260px}
 .kv b{font-size:18px}
 .upgrade{grid-template-columns:1fr}
 .upg-arrow{transform:rotate(90deg);text-align:center}
 .cta{padding:36px 22px;border-radius:24px}
 .stat b{font-size:21px}
 .sec-head{margin-bottom:38px}
}
.ticks li::before{content:"";position:absolute;left:2px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--grad);box-shadow:none;border:0;-webkit-mask:none}
.stat b{white-space:nowrap}
@media (max-width:420px){.stat{padding:12px 10px}.stat b{font-size:18px}.stats{gap:8px}}
.inside{padding-bottom:40px;background:radial-gradient(1200px 700px at 70% 40%,#ffffff 0%,#f1f1f4 55%,#e9e9ee 100%)}
.xp{position:relative;height:420vh}
.xp-fade{height:300vh}
.xp-sticky{position:sticky;top:0;height:100vh;height:100svh;display:grid;grid-template-columns:minmax(260px,380px) 1fr;gap:40px;align-items:center;max-width:var(--max);margin:0 auto;padding:70px 20px 30px;overflow:hidden}
.xp-copy h3{font-size:clamp(28px,3.4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:8px 0 26px}
.xp-kicker{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--red)}
.xp-steps{list-style:none;display:grid;gap:14px;counter-reset:s}
.xp-steps li{padding:12px 0 12px 18px;border-left:3px solid #d4d4d8;opacity:.32;transform:translateX(0);transition:opacity .45s ease,border-color .45s ease,transform .45s ease}
.xp-steps li b{display:block;font-size:17px}
.xp-steps li span{font-size:14.5px;color:var(--muted)}
.xp-steps li.on{opacity:1;border-color:var(--orange);transform:translateX(4px)}
.xp-steps li.done{opacity:.62;border-color:#fdba74}
.xp-stage{position:relative;height:100%;max-height:calc(100svh - 110px);min-height:300px;display:grid;place-items:center}
.xp-stage canvas{width:100%;height:100%;display:block}
.xp-poster{display:none;max-height:100%;width:auto;object-fit:contain}
.xp-fade .xp-stage img{position:absolute;max-width:92%;max-height:86%;width:auto;height:auto;object-fit:contain;will-change:transform,opacity;filter:drop-shadow(0 30px 34px rgba(0,0,0,.18))}
.xp-fade .xp-stage .fb{opacity:0}
.xp-bar{position:absolute;left:20px;right:20px;bottom:18px;height:3px;background:rgba(0,0,0,.07);border-radius:3px;overflow:hidden;max-width:calc(var(--max) - 40px);margin:0 auto}
.xp-bar i{display:block;height:100%;width:100%;background:var(--grad);transform-origin:left;transform:scaleX(0)}
.xp-link{display:inline-block;font-size:14px;font-weight:700;color:#c2410c;margin:-4px 0 12px}
.xp-link:hover{text-decoration:underline}
@media (max-width:860px){
 .xp{height:360vh}.xp-fade{height:260vh}
 .xp-sticky{grid-template-columns:1fr;grid-template-rows:auto 1fr;gap:6px;padding:72px 18px 26px;align-content:start}
 .xp-copy h3{font-size:24px;margin:2px 0 10px}
 .xp-copy h3 br{display:none}
 .xp-steps{gap:0;position:relative;min-height:62px}
 .xp-steps li{position:absolute;inset:0 0 auto 0;border-left:0;padding:0;opacity:0;transform:translateY(8px)}
 .xp-steps li.on{opacity:1;transform:none}
 .xp-steps li.done{opacity:0}
 .xp-steps li b{font-size:15px;color:var(--red)}
 .xp-stage{max-height:none;min-height:0}
}
.xp.static{height:auto}
.xp.static .xp-sticky{position:relative;height:auto;padding:30px 20px}
.xp.static .xp-stage{height:auto;max-height:none}
.xp.static canvas{display:none}
.xp.static .xp-poster{display:block;max-height:70vh}
.xp.static .xp-steps li{opacity:1;position:static;transform:none;border-color:var(--orange)}
.xp.static .xp-steps{min-height:0;gap:10px}
.xp.static.xp-fade .xp-stage{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.xp.static.xp-fade .xp-stage img{position:static;opacity:1!important;transform:none!important;max-width:100%}
.xp.static .xp-bar{display:none}