:root{color-scheme:dark;--bg:#080b0f;--panel:#12171d;--panel-2:#1b222a;--line:#2a3139;--text:#f6f5f0;--muted:#adb4bd;--orange:#ff8f21;--cream:#f1eee6;--ink:#171b20;--max:1160px;font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.55}a{color:inherit;text-decoration:none}a:hover{color:var(--orange)}button{font:inherit}img{display:block;max-width:100%}.wrap{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.skip{position:absolute;top:-80px;left:20px;background:var(--orange);color:#111;padding:10px 16px;z-index:20}.skip:focus{top:12px}.site-header{border-bottom:1px solid rgba(255,255,255,.08);background:rgba(8,11,15,.88);backdrop-filter:blur(20px);position:sticky;top:0;z-index:10}.header-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:.015em}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--orange);color:#111;font-size:20px;font-weight:900;line-height:1}.nav{display:flex;align-items:center;gap:28px;font-size:14px;color:#d5d7d9}.nav a[aria-current=page]{color:var(--orange)}.language{display:flex;align-items:center;gap:3px;border:1px solid var(--line);border-radius:999px;padding:3px}.language button{border:0;background:transparent;color:var(--muted);padding:5px 10px;border-radius:999px;cursor:pointer;font-size:12px}.language button.active{background:#323940;color:#fff}.eyebrow{color:var(--orange);font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:800}.hero{position:relative;overflow:hidden;padding:112px 0 124px}.hero:before{content:"";position:absolute;width:660px;height:660px;right:-110px;top:-175px;border:1px solid rgba(255,143,33,.18);border-radius:50%;box-shadow:0 0 0 80px rgba(255,143,33,.025),0 0 0 160px rgba(255,143,33,.02);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:8%}.hero h1{font-size:clamp(50px,6vw,88px);line-height:1.02;letter-spacing:-.075em;margin:22px 0 25px;max-width:800px}.hero .lead{font-size:clamp(17px,2vw,21px);color:var(--muted);max-width:590px;margin:0 0 34px}.accent{color:var(--orange)}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 21px;border:1px solid var(--orange);border-radius:12px;background:var(--orange);color:#17120b;font-weight:800;transition:transform .2s,background .2s}.button:hover{color:#17120b;background:#ffa043;transform:translateY(-2px)}.button.ghost{background:transparent;color:var(--text);border-color:#4a4e53}.button.ghost:hover{border-color:var(--orange);color:var(--orange);background:transparent}.button-row{display:flex;gap:12px;flex-wrap:wrap}.hero-art{min-height:370px;position:relative;display:grid;place-items:center}.hero-disc{width:min(100%,470px);aspect-ratio:1;border-radius:50%;border:2px solid rgba(255,143,33,.18);display:grid;place-items:center;background:radial-gradient(circle at 50% 50%,#182029 0,#11161c 48%,#090d11 68%);box-shadow:0 0 110px rgba(255,143,33,.07),inset 0 0 50px rgba(0,0,0,.5)}.disc-inner{width:72%;height:72%;border-radius:50%;border:1px dashed rgba(255,255,255,.16);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.disc-inner strong{font-size:clamp(82px,9vw,142px);line-height:1;letter-spacing:-.08em;color:var(--orange)}.disc-inner span{font-size:12px;letter-spacing:.25em;color:#c7bcae}.disc-label{position:absolute;right:0;bottom:18px;padding:12px 18px;background:#1b222a;border:1px solid #313943;border-radius:12px;font-size:12px;letter-spacing:.08em}.section{padding:95px 0}.section-header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section h2{font-size:clamp(34px,4vw,56px);line-height:1.08;letter-spacing:-.055em;margin:12px 0 0}.section-intro{color:var(--muted);max-width:490px;margin:0}.feature{background:var(--cream);color:var(--ink);border-radius:28px;overflow:hidden;display:grid;grid-template-columns:1fr .95fr;min-height:540px}.feature-copy{padding:clamp(30px,5vw,72px);display:flex;flex-direction:column;justify-content:center}.feature-copy h3{font-size:clamp(34px,4vw,58px);line-height:1.04;letter-spacing:-.06em;margin:14px 0 18px}.feature-copy p{color:#52575d;font-size:18px;max-width:470px}.feature-copy .button{align-self:flex-start;margin-top:25px}.tag{display:inline-block;padding:6px 10px;border-radius:5px;background:#ffe0bb;color:#9b4900;font-size:11px;letter-spacing:.16em;font-weight:800}.feature-visual{position:relative;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,#27313d,#0d1219)}.feature-visual:before{content:"";position:absolute;width:400px;height:400px;border:1px solid #57606c;border-radius:50%;box-shadow:0 0 0 60px rgba(255,255,255,.035),0 0 0 120px rgba(255,255,255,.018)}.feature-visual img{position:relative;width:min(46%,205px);border-radius:28%;box-shadow:0 25px 70px #0007}.watch-shot{position:absolute!important;width:145px!important;right:6%;bottom:4%;border-radius:32px!important;border:6px solid #242a30;transform:rotate(8deg)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;min-height:205px}.mini-card .num{font-size:12px;color:var(--orange);font-weight:800;letter-spacing:.16em}.mini-card h3{margin:37px 0 7px;font-size:21px}.mini-card p{margin:0;color:var(--muted);font-size:14px}.band{background:var(--orange);color:#18110a;padding:56px 0}.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}.band h2{font-size:clamp(28px,4vw,48px);letter-spacing:-.055em;line-height:1.08;margin:0}.band p{margin:10px 0 0;opacity:.7}.band .button{border-color:#16110d;background:#16110d;color:#fff}.band .button:hover{color:#fff;background:#34302d}.footer{padding:38px 0 44px;border-top:1px solid var(--line);color:#8d969f;font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer small{display:block;margin-top:20px;color:#7c858d}.product-hero{padding:85px 0 80px;overflow:hidden;background:radial-gradient(circle at 73% 35%,rgba(255,143,33,.14),transparent 39%)}.product-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px}.product-hero h1{font-size:clamp(60px,7vw,102px);line-height:1;letter-spacing:-.08em;margin:18px 0}.product-hero p{font-size:19px;color:var(--muted);max-width:530px}.product-visual{display:flex;align-items:end;justify-content:center;gap:18px;min-height:535px}.phone-shell{height:490px;max-width:235px;overflow:hidden;border:7px solid #262d35;border-radius:36px;box-shadow:0 30px 70px #0008}.phone-shell img{height:100%;width:100%;object-fit:cover}.watch-shell{width:225px;aspect-ratio:1;overflow:hidden;border:10px solid #2b3035;border-radius:52px;box-shadow:0 30px 65px #0007;margin-bottom:56px}.watch-shell img{width:100%;height:100%;object-fit:cover}.pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:27px}.pill{border:1px solid #41474e;border-radius:100px;color:#c8cbd0;font-size:12px;padding:8px 13px}.statement{font-size:clamp(25px,3.4vw,44px);letter-spacing:-.045em;line-height:1.22;max-width:930px;margin:20px 0;color:#e7e5df}.statement em{font-style:normal;color:var(--orange)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{background:var(--panel);padding:28px;border-radius:18px;border:1px solid var(--line)}.step b{color:var(--orange);font-size:13px}.step h3{font-size:22px;margin:28px 0 9px}.step p{color:var(--muted);margin:0}.legal{padding:72px 0 110px}.legal-head{padding-bottom:40px;border-bottom:1px solid var(--line)}.legal h1{font-size:clamp(42px,6vw,76px);letter-spacing:-.065em;line-height:1.03;margin:13px 0 16px}.legal .lede{max-width:740px;color:var(--muted);font-size:17px}.legal-layout{display:grid;grid-template-columns:220px minmax(0,720px);gap:60px;padding-top:42px}.toc{position:sticky;top:108px;align-self:start;display:grid;gap:13px;color:var(--muted);font-size:14px}.toc a:hover{color:var(--orange)}.article{font-size:15px;color:#d7d9dc}.article section{padding-bottom:29px;scroll-margin-top:110px}.article h2{color:#fff;font-size:24px;margin:0 0 11px}.article h3{color:#fff;font-size:18px;margin:22px 0 8px}.article p,.article li{line-height:1.75}.article ul{padding-left:22px}.article a{color:var(--orange);text-decoration:underline;text-underline-offset:3px}.note{background:#181f26;border-left:3px solid var(--orange);padding:15px 18px;border-radius:0 10px 10px 0;color:#cfd4d8}.lang-divider{height:1px;background:var(--line);margin:48px 0}.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.support-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px}.support-card h2{margin:0 0 10px}.support-card p{color:var(--muted)}.support-card a{color:var(--orange);overflow-wrap:anywhere}.faq{display:grid;gap:10px}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 22px}.faq summary{font-weight:700;cursor:pointer}.faq p{color:var(--muted);margin:13px 0 0}html[data-lang=en] .zh,html[data-lang=zh] .en{display:none!important}
@media(max-width:850px){.hero-grid,.product-grid,.feature{grid-template-columns:1fr}.hero{padding:75px 0}.hero-art{min-height:340px}.hero-disc{width:320px}.feature-visual{min-height:365px}.section{padding:70px 0}.product-visual{min-height:450px}.grid-3,.steps{grid-template-columns:1fr}.legal-layout{grid-template-columns:1fr;gap:32px}.toc{position:static;display:flex;flex-wrap:wrap}.band .wrap{align-items:flex-start;flex-direction:column}.footer-grid{flex-direction:column}.nav{gap:13px}.nav .nav-hide-mobile{display:none}}
@media(max-width:550px){.wrap{width:min(calc(100% - 32px),var(--max))}.header-row{min-height:66px}.brand{font-size:16px}.brand-mark{width:31px;height:31px}.nav{font-size:12px}.hero h1{font-size:50px}.hero-art{min-height:300px}.hero-disc{width:275px}.disc-inner strong{font-size:84px}.disc-label{right:5px}.feature-copy{padding:32px 25px}.feature-visual{min-height:295px}.feature-visual img{width:135px}.watch-shot{width:105px!important}.product-hero{padding:55px 0}.product-visual{min-height:380px;gap:5px}.phone-shell{height:355px;width:169px;border-radius:27px}.watch-shell{width:147px;border-width:6px;border-radius:34px;margin-bottom:35px}.legal{padding:50px 0 80px}.support-grid{grid-template-columns:1fr}}

/* Keep the intrinsic proportions of the two homepage app images on narrow screens. */
.feature-visual img{height:auto;object-fit:contain}
.feature-visual img:not(.watch-shot){aspect-ratio:1}
.feature-visual .watch-shot{aspect-ratio:416/496}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}