:root{color-scheme:dark;--bg:#0d1815;--panel:#14251f;--ink:#f5f3ed;--muted:#bac9c1;--line:#31463b;--accent:#f3b66e;--soft:#d8e8de;--max:1180px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px;border-radius:3px}img{display:block;max-width:100%;height:auto}p{margin:0 0 1.2rem}h1,h2,h3{line-height:1.14;letter-spacing:-.035em;margin:0 0 1.3rem}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400}h1{font-size:clamp(2.7rem,5.4vw,4.6rem)}h2{font-size:clamp(2rem,3.8vw,3rem)}h3{font-size:1.25rem;font-weight:600;letter-spacing:-.015em}button,summary{font:inherit}.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-80px;left:24px;background:var(--accent);color:var(--bg);padding:12px 20px;z-index:10}.skip:focus{top:12px}.header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:104px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:1.4rem;font-weight:600;text-decoration:none;letter-spacing:-.04em;white-space:nowrap}.brand img{width:42px;height:42px;border-radius:11px}.navigation{display:flex;flex-wrap:wrap;align-items:center;gap:26px;font-size:.9375rem}.navigation a{text-decoration:none}.navigation [aria-current=page]{color:var(--accent)}.language{padding-left:24px;border-left:1px solid var(--line)}.eyebrow{color:var(--accent);font-size:.875rem;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:22px}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:64px;align-items:center;min-height:710px;padding-block:60px 76px}.hero h1{max-width:610px}.hero .intro{font-size:1.125rem;color:var(--muted);max-width:490px}.actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 23px;border-radius:7px;text-decoration:none;border:1px solid var(--line);font-weight:600}.button.primary{background:var(--accent);color:#17251e;border-color:var(--accent)}.button.primary:hover{background:#ffd298}.button.secondary:hover{border-color:var(--accent)}.compatibility{font-size:.875rem;color:var(--muted)}.product-shot{margin:0;position:relative;padding:24px 8px 0;min-width:0}.screens{display:flex;align-items:center;gap:16px;justify-content:center}.screens img{width:45%;max-width:218px;border:1px solid #547063;border-radius:17px;box-shadow:0 26px 52px #0005}.screens img:first-child{transform:translateY(-18px)}.screens img:last-child{transform:translateY(18px)}figcaption{color:var(--muted);font-size:.875rem;line-height:1.45;margin-top:44px;text-align:center}.section{padding-block:76px;border-top:1px solid var(--line)}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-bottom:36px}.section-heading p{color:var(--muted);max-width:470px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.step{padding-top:24px;border-top:1px solid var(--line)}.step-number{color:var(--accent);font-family:ui-monospace,monospace;font-size:.875rem;display:block;margin-bottom:24px}.step p{color:var(--muted);margin-bottom:0}.privacy-band{background:var(--panel);border:1px solid var(--line);padding:44px 48px;border-radius:10px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:76px}.privacy-band h2{font-size:2.5rem}.privacy-band p{color:var(--muted);margin-bottom:16px}.text-link{color:var(--accent);font-weight:500}.footer{border-top:1px solid var(--line);padding-block:30px 42px;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;font-size:.875rem;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:24px}.footer-links a{text-decoration:none}.page-heading{padding-block:64px 46px;max-width:820px}.page-heading h1{font-size:clamp(2.8rem,5vw,4.1rem)}.page-heading .intro{color:var(--muted);font-size:1.125rem;max-width:650px}.policy-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:64px;padding-bottom:80px}.toc{font-size:.9375rem;position:sticky;top:28px;align-self:start}.toc p{font-weight:600;color:var(--soft);margin-bottom:16px}.toc a{display:block;color:var(--muted);text-decoration:none;margin-bottom:12px}.policy section{border-top:1px solid var(--line);padding-top:30px;margin-bottom:36px}.policy h2{font:600 1.4rem/1.3 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:-.02em}.policy p,.policy li{color:var(--muted)}.policy ul{padding-left:22px}.policy strong{color:var(--ink)}.policy li{margin-block:8px}.policy .effective{font-size:.9375rem;color:var(--muted)}.support-layout{display:grid;grid-template-columns:minmax(0,740px) 1fr;gap:64px;padding-bottom:80px}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding-block:22px}summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:1.125rem;font-weight:600}summary::-webkit-details-marker{display:none}summary::after{content:"+";color:var(--accent);font-size:1.5rem;font-weight:400}details[open] summary::after{content:"−"}details .answer{padding:18px 30px 0 0;color:var(--muted)}.answer p:last-child{margin-bottom:0}.answer ol{padding-left:22px}.answer li{margin-block:8px}.contact-panel{align-self:start;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:28px;overflow-wrap:anywhere}.contact-panel h2{font:600 1.35rem/1.3 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:-.02em}.contact-panel p{color:var(--muted);font-size:.9375rem}.contact-panel .button{margin-block:6px 20px;width:100%;font-size:.9375rem}.contact-panel .email{color:var(--accent);font-size:1rem}.contact-panel ul{padding-left:18px;color:var(--muted);font-size:.9375rem}.contact-panel li{margin-block:6px}.legal-note{border-left:2px solid var(--accent);padding-left:20px;margin-top:28px;color:var(--muted);font-size:.9375rem}html[lang=zh-Hans] h1,html[lang=zh-Hans] h2{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-weight:500;letter-spacing:0;line-height:1.35}html[lang=zh-Hans] .eyebrow{letter-spacing:.08em}html[lang=zh-Hans] .hero h1{font-size:clamp(2.7rem,4.7vw,4rem)}
@media(max-width:960px){.hero{gap:30px;min-height:620px}.policy-layout{gap:38px;grid-template-columns:190px minmax(0,1fr)}.support-layout{gap:34px;grid-template-columns:1.7fr 1fr}.privacy-band{gap:36px;padding:36px}.navigation{gap:18px}.language{padding-left:18px}}
@media(max-width:720px){.wrap{width:calc(100% - 40px)}.header{min-height:100px;align-items:flex-start;flex-direction:column;gap:14px;padding-block:20px}.brand{font-size:1.25rem}.brand img{width:36px;height:36px}.navigation{gap:22px;font-size:.875rem}.language{padding-left:20px}.hero{grid-template-columns:1fr;gap:34px;padding-block:42px 56px;min-height:0}.hero h1{max-width:540px}.hero .intro{font-size:1.0625rem}.screens img{width:44%;max-width:215px}.product-shot{max-width:520px;margin-inline:auto;padding-top:14px;min-height:0}.section{padding-block:48px}.section-heading,.steps,.privacy-band{grid-template-columns:1fr;gap:24px}.section-heading{margin-bottom:30px}.section-heading h2{margin-bottom:0}.steps{gap:34px}.step-number{margin-bottom:14px}.privacy-band{padding:28px 24px;margin-bottom:48px}.privacy-band h2{margin-bottom:0;font-size:2rem}.footer{flex-direction:column;gap:18px}.footer p{margin-bottom:0}.page-heading{padding-block:42px 30px}.policy-layout,.support-layout{grid-template-columns:1fr;gap:32px;padding-bottom:50px}.toc{position:static;padding:22px 0;border-block:1px solid var(--line);display:flex;gap:10px 20px;flex-wrap:wrap}.toc p{width:100%;margin-bottom:0}.toc a{margin:0}.policy section{padding-top:24px}.contact-panel{padding:24px}.answer{font-size:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:#fff;color:#111}.header,.toc,.footer,.skip{display:none}.wrap{width:100%}.policy-layout{display:block}.policy p,.policy li,.page-heading .intro{color:#222}a{color:#111}.page-heading{padding-block:20px}.policy strong{color:#111}.policy section{break-inside:avoid}}