:root{--bg:#f7f9fc;--ink:#0f1b33;--mute:#5b6782;--card:#fff;--line:#e3e8f2;--a:#2f6bff;--b:#12b5a6;--r:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit;text-decoration:none}img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
header.nav{position:sticky;top:0;z-index:20;background:rgba(247,249,252,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}.brand img{width:34px;height:34px}
.brand small{font-weight:500;color:var(--mute);font-size:13px}
.nav nav{display:flex;gap:20px;margin-left:auto;font-size:15px;color:var(--mute)}.nav nav a:hover{color:var(--ink)}
.lang{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 14px;font-size:14px;cursor:pointer;color:var(--ink)}
.hero{position:relative;overflow:hidden;padding:84px 0 70px}
.hero:before{content:"";position:absolute;inset:-30% -10% auto auto;width:720px;height:720px;background:radial-gradient(circle,rgba(47,107,255,.18),transparent 65%);z-index:-1}
.hero:after{content:"";position:absolute;left:-200px;bottom:-260px;width:620px;height:620px;background:radial-gradient(circle,rgba(18,181,166,.16),transparent 65%);z-index:-1}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.tag{display:inline-block;padding:5px 12px;border-radius:99px;background:#e8efff;color:var(--a);font-size:13px;font-weight:600}
h1{font-size:clamp(34px,5vw,56px);line-height:1.15;margin:16px 0 14px;letter-spacing:-.5px}
h1 .grad{background:linear-gradient(90deg,var(--a),var(--b));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:var(--mute);max-width:560px}
.dl{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 12px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);font-weight:600;font-size:15px;transition:.2s;box-shadow:0 1px 2px rgba(15,27,51,.04)}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(15,27,51,.09)}
.btn svg{width:20px;height:20px}
.btn.store{background:#0b0b0f;color:#fff;border-color:#0b0b0f;padding:9px 18px}
.btn.store span{display:flex;flex-direction:column;line-height:1.2}.btn.store small{font-size:11px;font-weight:500;opacity:.8}.btn.store b{font-size:17px}
.hint{font-size:13px;color:var(--mute)}
.phone{justify-self:center;width:290px;aspect-ratio:9/19;border-radius:44px;background:#0b1224;padding:12px;box-shadow:0 30px 70px rgba(15,27,51,.25)}
.screen{height:100%;border-radius:34px;background:linear-gradient(180deg,#eef3ff,#fff 40%);padding:28px 16px;overflow:hidden;display:flex;flex-direction:column;gap:12px}
.sc-h{font-weight:700;font-size:18px}.sc-sub{font-size:12px;color:var(--mute);margin-top:-8px}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:11px;padding:4px 9px;border-radius:99px;background:#fff;border:1px solid var(--line)}
.chip.on{background:var(--a);color:#fff;border-color:var(--a)}
.qcard{background:#fff;border-radius:16px;padding:12px;border:1px solid var(--line);font-size:12px}
.qcard .bar{height:7px;border-radius:9px;background:#e8edf7;margin-top:8px;overflow:hidden}.qcard .bar i{display:block;height:100%;width:62%;background:linear-gradient(90deg,var(--a),var(--b))}
.opt{padding:7px 9px;border:1px solid var(--line);border-radius:10px;margin-top:6px}.opt.ok{border-color:var(--b);background:#e8f8f6}
section{padding:80px 0}
.sh{text-align:center;max-width:680px;margin:0 auto 44px}.sh h2{font-size:clamp(26px,3.4vw,36px);margin:0 0 8px}.sh p{color:var(--mute);margin:0}
.grid{display:grid;gap:20px}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card h3{margin:14px 0 6px;font-size:18px}.card p{margin:0;color:var(--mute);font-size:15px}
.ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#e8efff,#e3f7f4);color:var(--a)}.ic svg{width:24px;height:24px}
.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.exam h4{margin:0 0 12px;font-size:15px;color:var(--a)}
.exam ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.exam li{padding:6px 12px;border-radius:10px;background:var(--bg);border:1px solid var(--line);font-size:14px}
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shot{border-radius:24px;border:1px solid var(--line);background:linear-gradient(180deg,#f1f5ff,#fff);padding:18px;min-height:340px;display:flex;flex-direction:column;gap:10px}
.shot .t{font-weight:700}.shot .cap{margin-top:auto;font-size:14px;color:var(--mute)}
.ph{height:12px;border-radius:6px;background:#e5ebf6}.ph.s{width:60%}.ph.b{height:70px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.ring{width:110px;height:110px;border-radius:50%;margin:8px auto;background:conic-gradient(var(--a) 0 68%,#e5ebf6 0);display:grid;place-items:center}.ring:after{content:"";width:80px;height:80px;border-radius:50%;background:#fff}
.note{text-align:center;font-size:13px;color:var(--mute);margin-top:18px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
summary{cursor:pointer;font-weight:600;list-style:none}summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--mute)}details[open] summary:after{content:"–"}
details p{color:var(--mute);margin:10px 0 0}
.faq{max-width:800px;margin:0 auto}
.cta{border-radius:28px;padding:56px 32px;text-align:center;color:#fff;background:linear-gradient(120deg,var(--a),var(--b))}
.cta h2{margin:0 0 8px;font-size:30px}.cta p{opacity:.9;margin:0}.cta .dl{justify-content:center}
.cta .btn{color:var(--ink)}
footer{padding:40px 0;color:var(--mute);font-size:14px;border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
.en{display:none}html[lang=en] .zh{display:none}html[lang=en] .en{display:revert}
.soon{max-width:620px;margin:80px auto;text-align:center}.soon .card{padding:40px}.soon h1{font-size:34px}
.plat{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px;text-align:left}
.plat .btn{justify-content:space-between}.badge{font-size:12px;padding:3px 9px;border-radius:99px;background:#fff4e0;color:#b26a00}.badge.ok{background:#e3f7f4;color:#0b7d71}
.plat .btn.cur{border-color:var(--a);box-shadow:0 0 0 3px #e8efff}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.phone{width:250px}.g3,.shots{grid-template-columns:1fr 1fr}.g4{grid-template-columns:1fr 1fr}.nav nav{display:none}.lang{margin-left:auto}}
@media(max-width:560px){.hero{padding:48px 0}.g3,.g4,.shots,.plat{grid-template-columns:1fr}.btn{flex:1 1 calc(50% - 12px);justify-content:center}.btn.store{flex-basis:100%}section{padding:56px 0}.brand small{display:none}}
/* ---- v2 landing ---- */
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--a);text-transform:uppercase;margin-bottom:6px}
.hero{padding:76px 0 150px;background:linear-gradient(160deg,#eef3ff 0%,#f7f9fc 45%,#e9fbf7 100%)}
.hero .wrap{position:relative;z-index:1}
.pts{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.pts li{padding:6px 12px 6px 30px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;position:relative}
.pts li:before{content:"";position:absolute;left:11px;top:50%;width:12px;height:12px;margin-top:-6px;border-radius:50%;background:linear-gradient(135deg,var(--a),var(--b))}
.waves{position:absolute;left:0;right:0;bottom:0;width:100%;height:160px;z-index:0}
.hero-v{position:relative;display:flex;justify-content:center}
.boat{position:absolute;width:110px;left:-10px;top:-30px;animation:bob 5s ease-in-out infinite;z-index:2}
@keyframes bob{50%{transform:translateY(-10px) rotate(-3deg)}}
.ipad{margin:0;padding:12px;border-radius:30px;background:linear-gradient(145deg,#1b2540,#0b1020);box-shadow:0 30px 60px -20px rgba(15,27,51,.45),inset 0 0 0 1px rgba(255,255,255,.08)}
.ipad img{display:block;width:100%;height:auto;border-radius:20px}
.hero-v .ipad{width:min(400px,90%)}
.tilt{transform:perspective(1400px) rotateY(-12deg) rotateX(4deg);transition:transform .6s}.tilt:hover{transform:none}
.bubble{position:absolute;background:#fff;border-radius:14px;padding:8px 14px;font-size:14px;font-weight:700;box-shadow:0 12px 30px rgba(15,27,51,.14);animation:bob 6s ease-in-out infinite}
.bubble.b1{right:0;top:18%;color:var(--a)}.bubble.b2{left:4%;bottom:14%;color:var(--b);animation-delay:-3s}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.fcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(15,27,51,.25)}
.fcard:after{content:"";position:absolute;right:-50px;top:-50px;width:140px;height:140px;border-radius:50%;background:var(--g);opacity:.12}
.fcard .ic{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;color:#fff;background:var(--g);margin-bottom:14px}
.fcard .ic svg{width:26px;height:26px}.fcard h3{margin:0 0 6px;font-size:19px}.fcard p{margin:0;color:var(--mute);font-size:15px}
.c1{--g:linear-gradient(135deg,#2f6bff,#7b5cff)}.c2{--g:linear-gradient(135deg,#ff8a3d,#ff5d6c)}.c3{--g:linear-gradient(135deg,#12b5a6,#2fd27a)}
.c4{--g:linear-gradient(135deg,#7b5cff,#d35cff)}.c5{--g:linear-gradient(135deg,#ff5d6c,#ffb03d)}.c6{--g:linear-gradient(135deg,#1aa0ff,#12b5a6)}
.extras{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.ex{display:flex;gap:16px;align-items:flex-start;padding:22px;border-radius:22px;background:linear-gradient(135deg,#0f1b33,#1d2f5c);color:#fff}
.ex .ic{flex:none;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.12)}.ex .ic svg{width:24px;height:24px}
.ex p{margin:4px 0 0;color:#b9c5e0;font-size:14px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s;position:relative}
.steps:before{content:"";position:absolute;top:30px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,var(--a) 0 8px,transparent 8px 16px);opacity:.35}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;text-align:center}
.step .num{display:grid;place-items:center;width:44px;height:44px;margin:-46px auto 12px;border-radius:50%;color:#fff;font-weight:800;font-size:18px;background:linear-gradient(135deg,var(--a),var(--b));box-shadow:0 8px 20px rgba(47,107,255,.35)}
.step h3{margin:0 0 6px;font-size:18px}.step p{margin:0;color:var(--mute);font-size:15px}
#how .steps{margin-top:40px}
.show{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin:0 0 72px}
.show.rev .show-t{order:2}.show .ipad{max-width:440px;justify-self:center}
.show h3{font-size:clamp(22px,2.6vw,30px);margin:4px 0 10px;line-height:1.3}.show p{color:var(--mute);font-size:16px}
.egrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ecard{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.ecard .eh{padding:22px 20px 16px;color:#fff;background:var(--g)}.ecard h3{margin:0;font-size:18px}
.e-cn{--g:linear-gradient(135deg,#ff5d6c,#ff8a3d)}.e-lang{--g:linear-gradient(135deg,#2f6bff,#7b5cff)}.e-intl{--g:linear-gradient(135deg,#12b5a6,#1aa0ff)}.e-region{--g:linear-gradient(135deg,#7b5cff,#d35cff)}
.ecard ul{list-style:none;margin:0;padding:12px 20px}.ecard li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:15px}
.ecard li:last-child{border:0}.ecard>p{margin:auto 0 0;padding:0 20px 20px;color:var(--mute);font-size:13.5px}
.st{font-style:normal;font-size:12px;font-weight:700;padding:2px 9px;border-radius:99px;white-space:nowrap}
.st.live{background:#e3f8ef;color:#0e8a5f}.st.ns{background:#eef1f7;color:#6b7690}
.rv{opacity:1}
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.boat,.bubble{animation:none}}
@media (max-width:960px){.fgrid{grid-template-columns:1fr 1fr}.egrid{grid-template-columns:1fr 1fr}.hero{padding-bottom:120px}}
@media (max-width:760px){.fgrid,.extras,.steps,.egrid{grid-template-columns:1fr}.steps:before{display:none}.step{margin-top:24px}
.show,.show.rev{grid-template-columns:1fr;gap:24px;margin-bottom:56px}.show.rev .show-t{order:0}.show .ipad{max-width:320px}
.hero-v{margin-top:20px}.hero-v .ipad{width:78%}.tilt{transform:none}.boat{width:80px;left:0}.bubble{font-size:12px}.waves{height:90px}}
@media(max-width:560px){.hero{padding:44px 0 100px}}
.cta .btn.store{color:#fff}