:root{color-scheme:light;--ink:#203440;--muted:#566975;--blue:#245b80;--pale:#edf5fc;--line:#dce6eb;--paper:#fbfdff;--radius:20px}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid #327ba8;outline-offset:5px;border-radius:3px}a:hover{color:var(--blue)}p{margin:0 0 1.1em}h1,h2,h3{font-weight:600;line-height:1.35;letter-spacing:-.035em;margin:0}h1{font-size:clamp(36px,4.7vw,64px)}h2{font-size:clamp(25px,2.6vw,34px)}h3{font-size:21px}.wrap{max-width:1184px;margin-inline:auto;padding-inline:40px}.site-header{display:flex;align-items:center;gap:32px;min-height:104px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:12px;font-size:24px;font-weight:650;letter-spacing:.02em;white-space:nowrap}.brand-mark{display:grid;place-items:center;background:#dfeefa;color:#215778;border:1px solid #c6e0f1;border-radius:13px;width:43px;height:43px;font-size:25px}.site-header nav{display:flex;gap:8px;margin-left:auto}.site-header nav a,.language-link{font-size:14px;padding:9px 13px;min-height:44px;display:inline-flex;align-items:center;white-space:nowrap}.site-header nav a[aria-current=page]{background:#e9f2f8;border-radius:8px;color:var(--blue)}.language-link{border-left:1px solid var(--line);padding-left:25px;gap:9px}.skip-link{position:absolute;left:16px;top:-100px;background:white;padding:10px 20px;z-index:10}.skip-link:focus{top:12px}.hero{display:grid;grid-template-columns:1.22fr 1fr;align-items:center;gap:65px;padding-block:90px 88px}.eyebrow{font-size:12px;letter-spacing:.1em;color:var(--blue);font-weight:600;line-height:1.6;margin-bottom:23px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#508aab;margin-right:7px;vertical-align:1px}.hero h1 span{color:#5885a1}.lead{font-size:17px;line-height:1.95;color:var(--muted);max-width:610px;margin-top:25px}.hero-actions{display:flex;align-items:center;gap:27px;flex-wrap:wrap;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;background:var(--ink);color:white;border-radius:9px;padding:12px 22px;min-height:48px;font-size:14px}.button:hover{background:#315269;color:white}.text-link{display:inline-flex;align-items:center;gap:20px;font-weight:500;color:var(--blue);font-size:14px;min-height:44px}.compatibility{font-size:12px;color:var(--muted);margin:25px 0 0}.principle-card{background:var(--pale);border:1px solid #d5e6f2;border-radius:var(--radius);padding:29px 32px 24px}.card-topline{display:flex;justify-content:space-between;gap:12px;font-size:12px;letter-spacing:.04em;color:#466b83;margin-bottom:38px}.card-heading{font-size:clamp(24px,2.4vw,33px);font-weight:550;line-height:1.5;letter-spacing:-.03em;margin-bottom:18px}.principle-card>p:not(.card-heading){font-size:14px;color:var(--muted)}.principle-list{margin-top:29px;border-top:1px solid #d2e2ee}.principle-list>div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #d2e2ee;font-size:13px}.principle-list strong{font-weight:500}.card-footnote{font-size:12px!important;line-height:1.9;margin:20px 0 0;color:var(--muted)}.features{padding:0 0 73px}.section-heading{border-top:1px solid var(--line);padding-top:45px}.section-heading .eyebrow{margin-bottom:12px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-top:39px}.feature+.feature{border-left:1px solid var(--line);padding-left:32px}.feature-number{font-size:11px;letter-spacing:.13em;color:var(--blue)}.feature h3{margin-block:18px 12px}.feature p{font-size:14px;line-height:1.95;color:var(--muted);margin:0}.help-band{background:#eef4f8;border:1px solid #e0e9ef;border-radius:14px;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:75px}.help-band .eyebrow{margin-bottom:7px}.help-band h2{font-size:23px}.site-footer{padding-block:36px 20px;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;gap:24px}.footer-brand{font-size:21px;font-weight:600}.footer-top p{font-size:12px;color:var(--muted);margin-top:7px}.footer-links{display:flex;gap:25px;flex-wrap:wrap;font-size:13px;align-items:flex-start}.footer-links a{min-height:44px;display:flex;align-items:center}.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding-top:17px;margin-top:21px;font-size:11px;letter-spacing:.03em;color:var(--muted)}.filings{display:flex;gap:15px;flex-wrap:wrap}.document-heading{padding-top:66px;padding-bottom:42px;max-width:870px}.document-heading .eyebrow{margin-bottom:16px}.document-heading h1{font-size:clamp(35px,4vw,50px)}.document-heading .lead{max-width:710px;margin-bottom:0}.notice{background:#f1f5f8;border:1px solid var(--line);border-left:3px solid #809eaf;border-radius:6px;font-size:13px;padding:16px 21px;color:#4b6270;margin:0 0 44px}.document-layout{display:grid;grid-template-columns:200px 1fr;gap:55px;padding-bottom:75px}.contents{align-self:start;position:sticky;top:30px;display:flex;flex-direction:column;border-left:1px solid var(--line);padding-left:21px}.contents .eyebrow{margin-bottom:12px}.contents a{font-size:13px;color:var(--muted);min-height:42px;display:flex;align-items:center}.contents a:hover{color:var(--blue)}.prose{max-width:760px;min-width:0}.prose section{padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--line);scroll-margin-top:30px}.prose section:last-child{border:0;margin:0;padding:0}.prose h2{font-size:23px;letter-spacing:-.025em;margin-bottom:21px;display:flex;align-items:baseline;gap:15px}.prose h2 span{font-size:12px;color:#6790a8;font-weight:400;letter-spacing:0}.prose h3{font-size:17px;margin:25px 0 11px}.prose p{font-size:15px;color:#465c69;line-height:1.95}.prose a,.faq a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.contact-inline{margin-block:20px}.email-link{display:inline-block;overflow-wrap:anywhere;font-weight:500;color:var(--blue);padding-block:8px}.policy-details{font-size:13px;margin-top:24px}.policy-details div{display:flex;gap:18px;flex-wrap:wrap}.policy-details dt{color:var(--muted)}.policy-details dd{margin:0;overflow-wrap:anywhere}.support-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:70px;padding-block:5px 80px}.faq h2{font-size:22px;margin-bottom:23px}.faq details{border-bottom:1px solid var(--line)}.faq summary{position:relative;cursor:pointer;padding:22px 33px 22px 0;list-style:none;font-size:16px;font-weight:500;line-height:1.75}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:4px;top:21px;color:#64879e;font-size:23px;font-weight:300}.faq details[open] summary::after{content:"−"}.faq details>div{padding:0 17px 15px 0}.faq details p{font-size:14px;color:var(--muted);line-height:1.95}.support-card{align-self:start;background:var(--pale);border:1px solid #d7e5f0;border-radius:14px;padding:27px 26px}.support-card h2{font-size:24px;margin-bottom:16px}.support-card p,.support-card ul{font-size:13px;color:var(--muted)}.support-card .eyebrow{font-size:11px;margin-bottom:9px}.support-card ul{padding-left:19px;margin:0}.support-card li{padding-bottom:6px}.support-card .card-footnote{padding-top:19px;border-top:1px solid #d4e1eb;margin-bottom:13px}.muted{color:var(--muted)}.support-card .muted{padding-bottom:18px;border-bottom:1px solid #d4e1eb;margin-bottom:21px}
@media(min-width:760px){html[lang=en] .hero{gap:46px;grid-template-columns:1.2fr 1fr}html[lang=en] .hero h1{font-size:clamp(38px,4.1vw,54px)}html[lang=en] .card-heading{font-size:27px}html[lang=en] .hero-actions{gap:15px}}
@media(max-width:1000px){.hero{gap:32px;padding-block:65px}.wrap{padding-inline:28px}.support-layout{gap:34px;grid-template-columns:minmax(0,1fr) 285px}.document-layout{gap:30px;grid-template-columns:165px 1fr}.principle-card{padding:26px}.feature-grid{gap:24px}.feature+.feature{padding-left:24px}}
@media(max-width:759px){.wrap{padding-inline:22px}.site-header{min-height:0;padding-top:20px;padding-bottom:13px;gap:14px;flex-wrap:wrap}.brand{font-size:22px}.brand-mark{width:36px;height:36px;border-radius:11px;font-size:22px}.site-header nav{order:3;flex-basis:100%;margin:0;gap:5px}.site-header nav a{padding-inline:13px;font-size:13px}.language-link{margin-left:auto;border:0;padding:5px 0 5px 12px;font-size:12px}.hero{grid-template-columns:1fr;padding-top:43px;padding-bottom:46px;gap:34px}.hero h1{font-size:clamp(34px,8.7vw,54px)}.hero .eyebrow{margin-bottom:22px;font-size:11px}.lead{font-size:15px;margin-top:20px}.hero-actions{gap:24px;margin-top:25px}.compatibility{margin-top:20px}.principle-card{padding:24px 25px 21px;max-width:100%}.card-topline{margin-bottom:27px}.card-heading{font-size:27px}.principle-card>p:not(.card-heading){font-size:13px}.principle-list{margin-top:22px}.section-heading{padding-top:30px}.feature-grid{grid-template-columns:1fr;margin-top:28px;gap:26px}.feature+.feature{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:26px}.feature h3{margin-top:12px;font-size:20px}.features{padding-bottom:36px}.help-band{display:block;padding:23px 25px;margin-bottom:45px}.help-band h2{font-size:22px}.help-band .text-link{margin-top:15px}.footer-top{display:block}.footer-links{gap:24px;margin-top:10px}.footer-bottom{font-size:10px;margin-top:12px}.document-heading{padding-top:40px;padding-bottom:29px}.document-heading h1{font-size:35px}.document-heading .eyebrow{font-size:10px}.notice{margin-bottom:28px;padding:13px 16px;font-size:12px}.document-layout{grid-template-columns:1fr;gap:32px;padding-bottom:45px}.contents{position:static;border:1px solid var(--line);border-radius:10px;padding:14px 18px;display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.contents .eyebrow{grid-column:1/-1;margin-bottom:7px}.contents a{font-size:12px;min-height:37px}.prose h2{font-size:21px;gap:12px}.prose p{font-size:14px}.prose section{padding-bottom:21px;margin-bottom:25px}.support-layout{grid-template-columns:1fr;gap:34px;padding-bottom:45px}.faq summary{font-size:15px;padding-block:19px}.faq summary::after{top:18px}.support-card{padding:24px}.support-card .text-link{font-size:13px}.site-footer{padding-top:27px}html[lang=en] .hero h1{font-size:clamp(35px,8.8vw,52px)}html[lang=en] .document-heading h1{font-size:34px}}
/* Comfortable touch targets and reading size at every responsive breakpoint. */
.brand,.footer-brand{min-width:44px;min-height:44px}
.brand-mark{object-fit:cover;flex-shrink:0}.closing-mark{object-fit:cover}
.site-header .brand img.brand-mark,.closing img.closing-mark{background:transparent;border:0;border-radius:0}
.footer-brand{display:inline-flex;align-items:center}
.contents a{min-height:44px}
.prose p,.faq details p{font-size:15px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.apple-credit{font-size:10px;line-height:1.6;color:var(--muted);margin:14px 0 0;max-width:760px}@media print{body{background:white;color:black}.site-header,.site-footer,.skip-link,.contents{display:none}.wrap{padding:0;max-width:none}.document-layout{display:block}.notice,.support-card,.principle-card{break-inside:avoid}.prose{max-width:none}.prose section{break-inside:avoid}a{color:inherit;text-decoration:underline}.faq details>div{display:block!important}.support-layout{display:block}}