:root{color-scheme:light;--paper:#fff;--ink:#000;--muted:#666;--subtle:#888;--line:#dedede;--accent:#000;--max:1440px;--sans:-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-family:var(--sans);font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:#fff;color:var(--ink);line-height:1.8}a{color:inherit;text-underline-offset:6px;text-decoration-thickness:1px;transition:color .2s}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}p,h1,h2,h3{margin-top:0}p{margin-bottom:1.2em}h1,h2,h3{font-family:var(--sans);font-weight:500;line-height:1.4}h1{font-size:3.5rem}h2{font-size:1.8rem}h3{font-size:1.2rem}::selection{background:#e8e8e8}img{max-width:100%}.wrap{max-width:var(--max);margin:auto;padding-left:4.65%;padding-right:4.65%}.skip{position:absolute;top:-100px;left:24px;background:white;padding:10px;z-index:10}.skip:focus{top:12px}
.header{height:clamp(92px,9.2vw,132px);display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:16px;font-family:var(--sans);font-size:clamp(23px,2.5vw,34px);font-weight:600;letter-spacing:.015em;text-decoration:none;white-space:nowrap}.brand-mark{display:block;width:48px;height:48px;object-fit:contain}.header nav{display:flex;align-items:center;gap:36px;font-family:var(--sans);font-size:18px}.header nav a{text-decoration:none}.lang{border-left:1px solid var(--line);padding-left:36px}
.hero{max-width:1440px;margin:0 auto;position:relative;display:grid;grid-template-columns:45.4% 54.6%;min-height:600px;height:min(74.1vw,1066px)}.hero-copy{padding-left:10.25%;padding-top:27%;position:relative;z-index:1}.eyebrow{color:var(--muted);font-family:var(--sans);font-size:18px;letter-spacing:.06em;margin-bottom:30px}.hero h1{font-size:clamp(38px,4.5vw,65px);line-height:1.5;font-weight:600;letter-spacing:-.035em;margin:0 0 34px;position:relative;width:max-content}.hero h1 span{display:block}.hero h1 em{font-style:normal;text-decoration:underline var(--accent);text-underline-offset:9px;text-decoration-thickness:1px}.hero h1 b{color:var(--accent);font-weight:400}.hero-description{font-family:var(--sans);font-size:clamp(16px,1.75vw,24px);line-height:1.85;color:var(--muted);width:max-content;max-width:117%;margin:0}.signature{font-family:var(--sans);font-size:18px;font-weight:400;letter-spacing:.03em;color:var(--subtle);margin:24% 0 0}.hero-photo{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.apps{padding-top:66px}.section-label{border-top:1px solid var(--line);padding:38px 0 14px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-family:var(--sans)}.section-label h2{font-size:22px;margin:0}.section-label p{margin:0;color:var(--subtle);font-size:17px}.app-row{display:grid;grid-template-columns:clamp(120px,15.5vw,220px) minmax(0,1fr);gap:clamp(30px,4.4vw,64px);padding:40px 0 50px;border-bottom:1px solid var(--line);align-items:center}.app-icon{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:23%;box-shadow:0 0 0 1px rgba(0,0,0,.07)}.app-icon-link{display:block;border-radius:23%;transition:transform .2s}.app-icon-link:hover{transform:translateY(-3px)}.app-title{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:12px}.app-title h2{font-size:clamp(27px,3.2vw,43px);font-weight:500;margin:0;letter-spacing:-.02em}.app-name-link{text-decoration:none}.app-name-link:hover{text-decoration:underline}.badge{font-family:var(--sans);font-size:16px;color:var(--muted);border:1px solid var(--line);border-radius:24px;padding:0 14px;white-space:nowrap}.app-copy p{font-family:var(--sans);color:var(--muted);font-size:clamp(16px,1.7vw,23px);margin:0;line-height:1.85}.app-links{display:flex;flex-wrap:wrap;gap:12px 0;margin-top:28px;font-family:var(--sans);font-size:18px}.app-links a{padding:0 30px;border-right:1px solid var(--line);text-decoration:none}.app-links a:first-child{padding-left:0}.app-links a:last-child{border:0;padding-right:0}.app-links a:hover{text-decoration:underline}.app-links .store-link{text-decoration:underline}.app-links a::after{content:" ↗";font-size:.8em;margin-left:5px}
.footer{padding-top:44px;padding-bottom:28px;color:var(--subtle);font-family:var(--sans);font-size:15px;margin-top:0}.footer-main{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.footer p{margin:0}.footer a{text-decoration:none}.footer-brand{font-size:20px;color:var(--ink)}.footer-record{text-align:right}.footer-record p{font-size:18px}.preview{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--subtle);margin-top:54px;font-family:var(--sans)}
.doc-top{padding:50px 0 44px;border-bottom:1px solid var(--line)}.crumb{font-size:14px;color:var(--muted);margin-bottom:36px}.crumb a{text-decoration:none}.doc-top .eyebrow{font-size:15px;margin-bottom:12px}.doc-top h1{margin:0 0 20px;font-size:clamp(36px,5vw,60px)}.doc-lead{max-width:680px;color:var(--muted);font-size:18px;margin:0}.doc-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:70px;padding-top:44px;padding-bottom:44px;max-width:1180px}.toc{position:sticky;top:30px;align-self:start;font-size:14px}.toc p{font-family:var(--sans);color:var(--muted);font-size:16px;margin-bottom:16px}.toc a{display:block;text-decoration:none;line-height:1.7;padding:8px 0;color:var(--muted)}.toc a:hover{color:var(--accent)}.doc-body{min-width:0;padding-bottom:20px}.doc-body h2{font-size:27px;margin:42px 0 20px;padding-top:8px}.doc-body h3{margin:28px 0 14px}.doc-body p,.doc-body li{font-size:16px;overflow-wrap:anywhere}.doc-body li{margin-bottom:12px}.doc-body ul{padding-left:24px}.doc-body strong{font-weight:600}.doc-body blockquote{border-left:2px solid var(--line);margin:0 0 24px;padding:5px 18px;color:var(--muted)}.doc-body blockquote p{margin:0}.doc-body pre{white-space:pre-wrap;word-break:break-word;background:#fff;padding:24px;font-size:14px;line-height:1.9}.doc-body code{font-family:ui-monospace,monospace}.pending{background:#fff;color:#000;border:1px solid var(--line);border-radius:3px;padding:2px 5px;font-size:14px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.review-note{border-left:2px solid #b5b5b5;background:#fff;padding:18px 22px;margin-bottom:28px;color:var(--muted)}.review-note strong{color:var(--ink);display:block;margin-bottom:5px;font-size:15px}.review-note p{margin:0;font-size:15px}.policy-table{overflow-x:auto;margin:24px 0;border:1px solid var(--line)}.policy-table table{border-collapse:collapse;width:100%;font-size:15px;background:white}.policy-table th,.policy-table td{padding:16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);min-width:115px;overflow-wrap:anywhere}.policy-table th{background:#fff;font-weight:500}.policy-table tr:last-child td{border:0}.policy-table th:first-child{width:18%}.policy-table th:nth-child(2){width:51%}.contact{background:#fff;padding:30px 34px;margin-bottom:32px;border-top:1px solid var(--line)}.contact .eyebrow{font-size:13px;margin-bottom:14px}.contact h2{margin:0 0 12px;padding:0;font-size:29px}.contact p{color:var(--muted);margin-bottom:0;font-size:15px}.contact .email{display:inline-block;color:var(--accent);font-size:21px;overflow-wrap:anywhere;margin:6px 0 14px}.contact .pending-email{font-size:20px;margin:8px 0 14px;color:var(--muted)}.faq{border-top:1px solid var(--line)}.faq summary{cursor:pointer;list-style:none;font-weight:500;padding:23px 32px 23px 0;position:relative;line-height:1.7}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:4px;top:20px;font-size:24px;font-weight:300;color:var(--muted)}.faq[open] summary::after{content:"−"}.faq>div{padding:0 24px 12px 0;color:var(--muted)}.faq:last-of-type{border-bottom:1px solid var(--line)}.legal-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:36px;font-size:15px}.backtop{display:inline-block;margin-top:32px;font-size:14px}
.policy-versions{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 26px;margin-top:30px;font-family:var(--sans);font-size:14px}.policy-versions>span{color:var(--muted)}.policy-versions>div{display:flex;flex-wrap:wrap;gap:8px 22px}.policy-versions a{color:var(--muted);text-decoration:none}.policy-versions a[aria-current=page]{color:var(--ink);font-weight:600;text-decoration:underline}.policy-versions a:hover{color:var(--ink);text-decoration:underline}
html[lang=en] .hero h1{font-family:var(--sans);font-size:clamp(40px,5.5vw,78px);line-height:1.2;letter-spacing:-.05em;max-width:110%;width:auto}html[lang=en] .hero-copy{padding-top:18%}html[lang=en] .hero-description{font-size:clamp(16px,1.6vw,22px);max-width:100%}html[lang=en] .signature{margin-top:15%}
@media(min-width:1441px){.wrap{padding-left:67px;padding-right:67px}}
@media(max-width:780px){.wrap{padding-left:24px;padding-right:24px}.header{height:94px;gap:18px}.brand{font-size:23px;gap:10px;letter-spacing:.01em}.brand-mark{width:38px;height:38px}.header nav{font-size:15px;gap:18px}.lang{padding-left:18px}.hero{display:flex;flex-direction:column;height:auto;min-height:0;padding-bottom:0}.hero-copy{padding:36px 24px 28px}.eyebrow{font-size:15px;margin-bottom:20px}.hero h1{font-size:clamp(30px,7.8vw,54px);line-height:1.65;margin-bottom:24px;letter-spacing:-.045em;max-width:100%;width:auto}.hero h1 span{white-space:nowrap}.hero h1 em{text-underline-offset:6px}.hero-description{font-size:16px;max-width:100%;width:auto}.signature{font-size:16px;margin:26px 0 8px}.hero-photo{height:440px;object-fit:cover;object-position:center 63%}.apps{padding-top:36px}.section-label{padding:26px 0 4px}.section-label h2{font-size:19px}.section-label p{font-size:13px}.app-row{grid-template-columns:76px minmax(0,1fr);gap:22px;padding:30px 0 34px;align-items:start}.app-title{gap:8px;margin:0 0 10px}.app-title h2{font-size:25px}.badge{font-size:12px;padding:0 9px}.app-copy p{font-size:16px}.app-links{gap:12px 18px;margin-top:18px;font-size:14px}.app-links a{padding:0;border:0}.app-links a::after{margin-left:0}.footer{padding-top:28px}.footer-main{font-size:13px;gap:22px}.footer-brand{font-size:18px}.footer-record p{font-size:15px}.preview{font-size:11px;margin-top:36px}.doc-top{padding:28px 0 30px}.crumb{margin-bottom:24px}.doc-top h1{font-size:38px}.doc-lead{font-size:16px}.doc-layout{grid-template-columns:1fr;gap:28px;padding-top:26px}.toc{position:static;display:flex;gap:9px 18px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid var(--line)}.toc p{width:100%;margin:0}.toc a{padding:1px 0}.doc-body h2{font-size:24px}.contact{padding:24px}.contact h2{font-size:25px}.policy-table{border:0;overflow:visible}.policy-table table,.policy-table tbody,.policy-table tr,.policy-table td{display:block;min-width:0}.policy-table thead{display:none}.policy-table tr{border:1px solid var(--line);margin-bottom:18px}.policy-table td{padding:14px 18px}.policy-table td:first-child{background:#fff;font-weight:500}.policy-table td:not(:first-child)::before{content:attr(data-label);display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.policy-table tr:last-child td{border-bottom:1px solid var(--line)}.policy-table td:last-child{border-bottom:0!important}html[lang=en] .hero-copy{padding-top:36px}html[lang=en] .hero h1{font-size:46px;max-width:100%}html[lang=en] .hero-description{font-size:16px}html[lang=en] .signature{margin-top:26px}}
@media(max-width:370px){.brand{font-size:21px}.header nav{gap:12px}.lang{padding-left:12px}.app-row{grid-template-columns:64px minmax(0,1fr);gap:16px}.app-title h2{font-size:22px}.section-label p{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a,.app-icon-link{transition:none}}
@media print{.header nav,.toc,.backtop,.preview{display:none}.doc-layout{display:block}.wrap{max-width:none;padding:0}.doc-top{padding-top:0}.faq>div{display:block}body{background:white}}