:root{--blue:#1268d3;--blue-dark:#0b4ea6;--navy:#122b4d;--text:#24364d;--muted:#64768d;--line:#dee6f0;--pale:#f2f6fb;--white:#fff;--radius:20px;font-family:"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;font-size:100%;color:var(--text);background:#fff;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:110px}*{box-sizing:border-box}body{margin:0;line-height:1.75}img{display:block;max-width:100%;height:auto}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}p,h1,h2,h3,h4,ul,ol{margin:0}h1,h2,h3,h4{color:var(--navy);font-weight:700;line-height:1.4}h2{font-size:clamp(1.75rem,3.2vw,2.5rem);letter-spacing:-.03em}h3{font-size:1.5rem}p{overflow-wrap:break-word}.container{width:min(1200px,calc(100% - 64px));margin-inline:auto}.section{padding:88px 0}.eyebrow{font-size:.875rem;letter-spacing:.1em;font-weight:600;color:var(--blue);margin-bottom:20px}.eyebrow-line{display:inline-block;width:28px;height:2px;background:var(--blue);vertical-align:middle;margin-right:10px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #73b6ff;outline-offset:5px}.skip-link{position:fixed;top:8px;left:12px;z-index:1000;padding:8px 20px;background:#fff;transform:translateY(-160%)}.skip-link:focus{transform:none}.site-header{height:88px;background:#ffffffed;backdrop-filter:blur(16px);border-bottom:1px solid #e8edf5;position:sticky;top:0;z-index:30}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}.wordmark{display:flex;align-items:baseline;gap:0;font-weight:800;letter-spacing:-.06em;font-size:1.875rem;line-height:1.3;color:var(--navy);flex-shrink:0}.wordmark>span{color:var(--blue)}.wordmark>small{font-size:0.875rem;font-weight:500;letter-spacing:0;margin-left:12px}.main-nav{display:flex;align-items:center;gap:30px;font-size:0.9375rem;font-weight:500}.main-nav>a:not(.button){padding:30px 0;position:relative}.main-nav>a[aria-current=page]{color:var(--blue)}.main-nav>a[aria-current=page]:after{content:"";position:absolute;bottom:17px;height:2px;left:0;right:0;background:var(--blue)}.main-nav>a:hover{color:var(--blue)}.menu-toggle{display:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--blue);color:#fff;border:1px solid var(--blue);min-height:54px;padding:12px 24px;border-radius:10px;font-size:1rem;font-weight:600;transition:background .2s,transform .2s}.button:hover{background:var(--blue-dark);color:white;transform:translateY(-2px)}.button-small{min-height:42px;padding:8px 18px;font-size:0.875rem;gap:14px}.button-outline{background:transparent;color:var(--navy);border-color:#b5c6dc}.button-outline:hover{background:#e5efff;color:var(--navy);border-color:#a9c5e9}.text-link{display:inline-flex;align-items:center;gap:16px;font-size:0.9375rem;font-weight:600;color:var(--blue)}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.home-hero{background:linear-gradient(125deg,#f4f8ff 0%,#fff 65%);padding:58px 0 72px}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center}.hero-copy h1{font-size:clamp(2.2rem,3.8vw,3.2rem);letter-spacing:-.05em;line-height:1.42;margin-bottom:24px}.accent-text{color:var(--blue);display:block}.hero-intro{max-width:480px;font-size:1.125rem;line-height:1.9;color:#5f7086}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.hero-link{margin-top:34px;color:#62758d;font-weight:500}.hero-visual{background:linear-gradient(140deg,#122d51,#1b4c80);padding:24px 28px 22px;border-radius:24px;overflow:hidden;box-shadow:0 24px 64px #16366017}.visual-label,.visual-bottom{display:flex;justify-content:space-between;gap:12px;font-size:0.75rem;color:#c8daef}.visual-label{margin-bottom:28px;font-size:0.8125rem}.visual-bottom{margin-top:24px}.hero-shots{display:flex;gap:16px;align-items:center;justify-content:center}.shot{border:0;padding:0;box-shadow:0 16px 25px #06162745;border-radius:14px;overflow:hidden;background:#292931;width:47%;transition:transform .25s}.shot:hover{transform:translateY(-5px)}.shot-sleep{align-self:flex-start}.shot-focus{margin-top:38px}.shot img{width:100%;height:auto}.about-section{border-bottom:1px solid var(--line);padding:70px 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}.about-copy{font-size:1.0625rem;line-height:1.95;color:#546982}.about-copy p+p{margin-top:12px}.about-copy .text-link{margin-top:22px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px}.section-heading>p{font-size:0.9375rem;color:var(--muted);max-width:320px}.section-heading .eyebrow{margin-bottom:12px}.product-section{background:#f7f9fc}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.feature-card{background:#fff;border:1px solid #e0e7f1;border-radius:20px;display:grid;grid-template-columns:1.1fr .9fr;gap:20px;padding:32px;align-items:center}.feature-number{font-size:0.75rem;letter-spacing:.1em;color:#8191a5}.feature-card h3{font-size:1.5rem;margin:20px 0 14px}.feature-card p{color:var(--muted);font-size:0.9375rem;line-height:1.9}.feature-card .text-link{margin-top:28px;font-size:0.875rem}.feature-image{padding:0;border:0;border-radius:10px;overflow:hidden;background:#292931}.feature-image img{width:100%;height:auto}.guide-callout{padding:48px 56px;border:1px solid #dce6f2;background:#f1f6ff;display:grid;grid-template-columns:1fr 1.05fr;gap:60px;border-radius:20px;align-items:center}.guide-callout p:not(.eyebrow){color:var(--muted);margin:18px 0 24px}.brand-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.brand-option{min-height:78px;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;font-size:0.875rem;font-weight:600;transition:border-color .2s,box-shadow .2s}.brand-option:hover,.brand-option.selected{border-color:#4d92e7;box-shadow:0 4px 14px #2363b011}.brand-option.selected{background:#edf5ff}.brand-letter{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:1.25rem;line-height:1;font-weight:600;flex-shrink:0}.brand-0{background:#ed6b27;font-size:1rem}.brand-1{background:#16805c}.brand-2{background:#456ade}.brand-3{background:#b83247}.brand-arrow{margin-left:auto;font-size:1.25rem;font-weight:400;color:#91a1b4}.contact-section{padding-top:20px;padding-bottom:88px}.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:60px;align-items:center;width:min(980px,calc(100% - 64px))}.contact-email{margin:26px 0}.contact-email>span{display:block;font-size:0.875rem;color:var(--muted);margin-bottom:8px}.contact-email>a{color:var(--blue);font-size:1.375rem;overflow-wrap:anywhere}.contact-links{display:flex;gap:28px;font-size:0.9375rem;color:var(--muted)}.community-card{padding:12px 22px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;max-width:320px;justify-self:end}.community-card img{width:100%;height:auto}.community-card p{font-size:0.875rem;text-align:center;color:var(--muted)}.site-footer{background:#102541;color:#bdcce0;padding:48px 0 22px}.site-footer .wordmark{color:#fff}.site-footer .wordmark>span{color:#62a7ff}.footer-top{display:flex;justify-content:space-between;gap:32px;align-items:center;padding-bottom:36px}.footer-top p{font-size:0.875rem;margin-top:12px;color:#9aafc9}.footer-top nav{display:flex;flex-wrap:wrap;gap:26px;font-size:0.875rem}.footer-top nav a:hover{color:white}.footer-bottom{border-top:1px solid #ffffff1c;padding-top:20px;display:flex;justify-content:space-between;gap:16px;font-size:0.75rem;color:#9cafc7}.back-top{position:fixed;bottom:24px;right:24px;width:42px;height:42px;display:grid;place-items:center;border:1px solid #cbd9e9;border-radius:50%;background:#fff;color:var(--navy);font-size:1.375rem;z-index:20;box-shadow:0 4px 12px #102b4d12}.site-dialog{padding:34px;border:1px solid #d3deeb;border-radius:16px;color:var(--text);width:min(680px,calc(100% - 28px));max-height:90vh;overflow:auto}.site-dialog::backdrop{background:#091c35ad;backdrop-filter:blur(5px)}.dialog-close{position:sticky;float:right;top:0;z-index:1;width:40px;height:40px;border:0;border-radius:50%;background:#edf3fb;font-size:1.625rem;color:var(--navy)}.site-dialog h2{font-size:1.5rem;padding-right:35px;margin-bottom:14px}.site-dialog p{font-size:1rem;color:var(--muted);margin-bottom:16px}.site-dialog code{display:block;padding:16px;background:var(--pale);border-radius:8px;overflow-wrap:anywhere;font-size:0.8125rem}.site-dialog.image-dialog{width:min(620px,calc(100% - 28px));padding:16px;background:#23242b}.image-dialog #dialog-content>img{width:auto;max-height:none;margin:0 auto}.image-dialog .dialog-close{position:sticky}
@media(min-width:1500px){.home-hero{padding-top:76px;padding-bottom:88px}.hero-grid{gap:84px}.hero-copy h1{font-size:3.375rem}}
@media(max-width:1080px){.container{width:calc(100% - 48px)}.main-nav{gap:20px}.hero-grid{gap:32px}.hero-visual{padding:20px}.hero-copy h1{font-size:2.25rem}.hero-intro{font-size:1rem}.feature-card{padding:24px;grid-template-columns:1fr}.feature-image{width:190px;justify-self:center}.feature-copy{align-self:start}.feature-card h3{margin-top:10px}.guide-callout{padding:36px;gap:30px}.brand-grid{grid-template-columns:1fr}.contact-grid{width:calc(100% - 80px)}.wordmark small{display:none}}
@media(max-width:760px){:root{scroll-padding-top:90px}.container{width:calc(100% - 36px)}.site-header{height:72px}.wordmark{font-size:1.75rem}.wordmark small{display:block;font-size:0.8125rem}.menu-toggle{display:flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid #d5dfec;background:#fff;border-radius:7px;color:var(--navy);font-size:0.875rem;min-height:42px}.main-nav{display:none;position:absolute;left:0;right:0;top:71px;padding:12px 24px 22px;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px #142e4810}.main-nav.is-open{display:flex}.main-nav>a:not(.button){padding:12px 4px}.main-nav>a[aria-current=page]:after{display:none}.main-nav>.button{margin-top:10px;align-self:flex-start}.section{padding:56px 0}.home-hero{padding:40px 0 48px}.hero-grid{grid-template-columns:1fr;gap:36px}.hero-copy h1{font-size:clamp(30px,6vw,42px);line-height:1.5;margin-bottom:18px;letter-spacing:-.045em}.hero-copy>.eyebrow{font-size:0.8125rem;margin-bottom:16px}.hero-intro{max-width:530px}.hero-actions{margin-top:24px;gap:10px;justify-content:center}.button{font-size:0.9375rem;padding:11px 20px;gap:16px;min-height:50px}.hero-link{margin-top:22px;font-size:0.875rem}.hero-visual{max-width:540px;width:100%;justify-self:center;padding:20px 22px;border-radius:18px}.visual-label{margin-bottom:20px}.shot{width:45%;max-width:200px}.shot-focus{margin-top:24px}.visual-bottom{margin-top:20px}.about-grid{grid-template-columns:1fr;gap:24px}.about-section{padding:48px 0}.about-copy{font-size:1rem}.section-heading{display:block;margin-bottom:26px}.section-heading>p{margin-top:16px}.feature-grid{gap:18px}.feature-card{padding:24px 20px}.feature-card h3{font-size:1.375rem}.feature-card p{font-size:0.875rem}.feature-card .text-link{font-size:0.8125rem;gap:8px}.feature-image{width:100%;max-width:220px}.guide-callout{padding:30px 24px;grid-template-columns:1fr;gap:26px}.brand-grid{grid-template-columns:1fr 1fr}.brand-option{font-size:0.8125rem;padding:12px;gap:9px}.brand-letter{width:28px;height:28px}.brand-arrow{display:none}.contact-section{padding-top:0}.contact-grid{width:calc(100% - 36px);grid-template-columns:1fr;gap:28px}.community-card{justify-self:start;width:260px}.contact-email>a{font-size:1.25rem}.footer-top{display:block}.footer-top nav{margin-top:26px;gap:20px}.footer-bottom{flex-direction:column;font-size:0.75rem;gap:8px}.site-footer{padding-top:36px}.back-top{right:14px;bottom:14px}.site-dialog{padding:24px}}
@media(max-width:420px){.feature-grid{grid-template-columns:1fr}.feature-card{display:grid;grid-template-columns:1.1fr .9fr;padding:22px 16px;gap:12px}.feature-card h3{font-size:1.25rem}.feature-card .text-link{font-size:0.8125rem;gap:4px}.feature-card p{font-size:0.875rem}.feature-number{font-size:0.6875rem}.feature-image{width:100%}.brand-grid{grid-template-columns:1fr}.hero-visual{padding:18px}.hero-shots{gap:12px}.visual-label{font-size:0.75rem}.guide-callout{padding:28px 20px}.wordmark small{font-size:0.75rem;margin-left:8px}.hero-copy h1{font-size:1.875rem}.hero-actions .button{padding:11px 18px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Reading pages share one typographic system; their content is kept in full. */
.breadcrumb{display:flex;align-items:center;gap:12px;padding-top:26px;padding-bottom:18px;font-size:0.8125rem;color:#6d7e93}.breadcrumb>a{color:var(--blue)}.doc-heading{padding:20px 0 38px;border-bottom:1px solid var(--line);margin-bottom:42px}.doc-heading .eyebrow{margin-bottom:12px}.doc-heading h1,.tutorial-heading h1{font-size:clamp(1.875rem,3.3vw,2.625rem);letter-spacing:-.03em;max-width:950px}.doc-heading .doc-subtitle{color:var(--muted);font-size:1.0625rem;margin-top:20px}.doc-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;align-items:start;padding-bottom:80px}.doc-sidebar{position:sticky;top:116px;min-width:0}.toc{border:1px solid var(--line);border-radius:12px;background:#f7f9fd;padding:16px 10px}.toc summary{font-size:0.875rem;font-weight:650;color:var(--navy);padding:0 10px 12px;list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:14px}.toc summary::-webkit-details-marker{display:none}.toc:not([open]) summary{padding-bottom:0}.toc summary>span{color:#7890aa}.toc nav{display:flex;flex-direction:column;gap:4px}.toc nav a{font-size:0.875rem;line-height:1.65;color:#5e728b;padding:8px 10px;border-radius:6px;overflow-wrap:break-word}.toc nav a:hover,.toc nav a.is-current{background:#e7effc;color:var(--blue)}.sidebar-help{padding:22px 12px}.sidebar-help>span{display:block;color:#6e8199;font-size:0.8125rem;margin-bottom:8px}.sidebar-help>a{font-size:0.8125rem;color:var(--blue);overflow-wrap:anywhere}.doc-content{min-width:0;max-width:870px}.doc-section{scroll-margin-top:110px;margin-bottom:48px}.doc-section h2{font-size:1.625rem;line-height:1.5;letter-spacing:-.02em;margin-bottom:18px}.doc-section .section-note{font-size:0.9375rem;color:#8a5a32;margin-top:-8px;margin-bottom:24px}.guide-brands{margin:24px 0 28px;grid-template-columns:repeat(2,minmax(0,1fr))}.guide-brands .brand-option{font-size:0.9375rem}.notice-callout{padding:20px 24px;background:#fff8eb;border:1px solid #f0deba;border-left:3px solid #c98a31;border-radius:10px;margin:24px 0;color:#755629}.notice-callout>strong{font-size:1rem;font-weight:650;display:block;margin-bottom:10px}.notice-callout p{font-size:0.9375rem;line-height:1.95}.guide-intro{font-size:1rem;line-height:1.95;color:#5d7088;margin:20px 0 26px}.setting-step{margin-top:18px;border:1px solid var(--line);border-radius:14px;padding:24px 28px;scroll-margin-top:110px;background:#fff}.setting-step h3{font-size:1.125rem;line-height:1.7;margin-bottom:12px;color:#1b416f}.setting-step h3:first-letter{color:var(--blue)}.setting-step p{font-size:1rem;line-height:1.95;color:#4b6079}.setting-step p+p{margin-top:12px}.setting-step:hover{border-color:#abc8eb}.numbered-paragraph{font-size:1rem;line-height:2;padding:16px 0;border-bottom:1px solid #e8edf4;color:#4b6079}.numbered-paragraph:last-child{border-bottom:0}.verification-section{padding:28px 30px;background:#f0f6ff;border:1px solid #d7e6f8;border-radius:14px}.legal-notes{padding:0 4px}.document-end{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;border-top:1px solid var(--line);padding-top:24px;color:#6480a0;font-size:0.875rem}.document-end a{color:var(--blue)}.tutorial-heading{padding:14px 0 34px;border-bottom:1px solid var(--line);margin-bottom:40px}.tutorial-heading>.text-link{margin-bottom:20px}.tutorial-brands{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:30px}.tutorial-brands .brand-option{font-size:0.875rem;min-height:66px}.section-head-inline{display:flex;justify-content:space-between;gap:24px;align-items:center}.section-head-inline>.text-link{font-size:0.875rem;flex-shrink:0;margin-bottom:18px}.video-tip{padding:16px 20px;background:#f1f6fc;border-radius:10px;font-size:0.9375rem;line-height:1.9;color:#55708f;margin:0 0 24px}.video-card{border:1px solid #dae4f1;border-radius:16px;overflow:hidden;margin-bottom:24px;background:white;box-shadow:0 8px 24px #193b6410}.video-card-heading{padding:20px 24px;display:flex;align-items:center;gap:20px;background:#fff}.video-index{font-size:0.75rem;letter-spacing:.08em;color:#6d85a1}.video-card-heading h3{font-size:1.125rem}.video-player{background:#102a4a;aspect-ratio:16/9}.video-player iframe{display:block;width:100%;height:100%;border:0;aspect-ratio:16/9}.video-meta{font-size:0.9375rem;line-height:1.9;padding:20px 24px;color:#61748c}.public-heading{padding:30px 0 46px;margin-bottom:48px;background:linear-gradient(110deg,#edf5ff,#fff)}.public-heading h1{font-size:clamp(2rem,3.5vw,2.875rem);letter-spacing:-.025em;line-height:1.5}.public-heading>div>p:not(.eyebrow){color:var(--muted);margin-top:20px}.public-heading .eyebrow{margin-bottom:16px}.public-quicklinks{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}.public-quicklinks>a{border:1px solid #ceddef;padding:8px 16px;border-radius:8px;background:#fff;font-size:0.875rem;color:#3d668f}.public-content .doc-section{padding-bottom:36px;border-bottom:1px solid var(--line)}.public-content .doc-section>p{font-size:1rem;color:#4f6681;line-height:2;margin-top:16px}.funds-block{padding:32px;background:#102e53;border-radius:16px;color:white;border:0!important}.funds-block h2{color:white}.public-content .funds-block p{color:#d4e3f7;line-height:2.3}.disclosure-block{padding:28px;border:1px solid #d9e4f2;border-radius:14px}.disclosure-block h2{font-size:1.4375rem}.draft-label{flex-shrink:0;align-self:flex-start;font-size:0.75rem;color:#966b29;border:1px solid #e5ceaa;background:#fff8e9;padding:4px 9px;border-radius:5px;margin-top:7px}.pending-note{display:flex;align-items:flex-start;gap:12px;padding:16px;background:#f5f8fc;border-radius:8px;margin:12px 0 22px;color:#667990;font-size:0.875rem}.status-label{flex-shrink:0;font-size:0.75rem;color:#697e98;border:1px solid #cdd9e8;padding:2px 7px;border-radius:4px}.disclosure-data{display:grid;grid-template-columns:1fr 1fr;gap:12px}.disclosure-data p{font-size:0.9375rem;line-height:1.85;padding:16px;border:1px solid #e0e8f2;border-radius:8px;color:#576e8a;overflow-wrap:anywhere}.materials-block p{padding:24px;border:1px dashed #c4d3e5;border-radius:10px;background:#fafcff}.history-record{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:10px;padding:20px;color:#45658b;line-height:1.8;font-size:1rem}.history-record:hover{border-color:#699ddb;background:#f7faff}.policy-heading h1{font-size:clamp(1.8rem,3.4vw,2.5rem)}.policy-metadata{margin-top:24px;font-size:0.875rem;color:#6f8096;line-height:1.9}.policy-content{font-size:1rem;line-height:2;color:#405773;overflow-wrap:anywhere}.policy-content p{margin:0 0 20px;white-space:normal}.policy-content h2{font-size:1.5rem;line-height:1.6;margin:42px 0 24px;padding-bottom:16px;border-bottom:1px solid var(--line);scroll-margin-top:110px;letter-spacing:-.02em}.policy-content h2:first-child{margin-top:0}.policy-content h3{font-size:1.1875rem;line-height:1.7;margin:28px 0 18px}.policy-content p a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.policy-index{padding:20px 24px;background:#f3f7fc;border-radius:12px;margin:24px 0 36px;display:grid;gap:10px}.policy-index a{color:#356193;font-size:0.9375rem;line-height:1.8}.policy-index a:hover{color:var(--blue);text-decoration:underline}.policy-layout .toc nav{max-height:calc(100vh - 215px);overflow-y:auto}.policy-layout .toc nav a{font-size:0.8125rem;padding:7px 10px}
@media(max-width:1080px){.doc-layout{grid-template-columns:200px minmax(0,1fr);gap:34px}.tutorial-brands{grid-template-columns:repeat(2,minmax(0,1fr))}.tutorial-brands .brand-option{min-height:62px}.setting-step{padding:22px}.guide-brands .brand-option{font-size:0.875rem}.policy-content{font-size:1rem}.doc-section h2{font-size:1.5rem}.disclosure-data{grid-template-columns:1fr}.section-head-inline{gap:16px}.disclosure-block{padding:24px}.pending-note{display:block}.pending-note .status-label{display:inline-block;margin-bottom:9px}}
@media(max-width:760px){.breadcrumb{padding-top:20px;padding-bottom:10px;font-size:0.75rem}.doc-heading{padding:18px 0 28px;margin-bottom:26px}.doc-heading h1,.tutorial-heading h1{font-size:1.75rem;line-height:1.55;letter-spacing:-.02em}.doc-heading .doc-subtitle{font-size:0.9375rem;line-height:1.9;margin-top:16px}.doc-layout{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:52px}.doc-sidebar{position:static}.sidebar-help{display:none}.toc{padding:14px 12px;background:#f4f7fc}.toc summary{font-size:0.875rem}.toc nav{display:grid;grid-template-columns:1fr 1fr;gap:4px}.toc nav a{font-size:0.8125rem;padding:8px;line-height:1.8}.doc-section{margin-bottom:34px;scroll-margin-top:92px}.doc-section h2{font-size:1.375rem;margin-bottom:16px}.doc-section .section-note{font-size:0.875rem;line-height:1.8}.guide-brands{gap:10px;margin:22px 0;grid-template-columns:1fr 1fr}.guide-brands .brand-option{font-size:0.8125rem;min-height:68px;line-height:1.7;align-items:flex-start}.guide-brands .brand-letter{margin-top:3px}.notice-callout{padding:18px;font-size:0.9375rem;margin:20px 0}.notice-callout p{font-size:0.9375rem}.guide-intro{font-size:1rem;line-height:1.9}.setting-step{padding:22px 20px;border-radius:10px;margin-top:14px;scroll-margin-top:92px}.setting-step h3{font-size:1.0625rem;line-height:1.8}.setting-step p{font-size:1rem;line-height:1.95}.numbered-paragraph{font-size:1rem;line-height:1.95}.verification-section{padding:24px 20px}.tutorial-heading{padding:16px 0 28px;margin-bottom:26px}.tutorial-heading>.text-link{font-size:0.875rem;margin-bottom:18px}.tutorial-brands{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px}.tutorial-brands .brand-option{padding:12px;font-size:0.8125rem;line-height:1.7}.tutorial-layout .section-head-inline{display:block}.section-head-inline>.text-link{margin-bottom:16px}.video-tip{padding:16px;font-size:0.9375rem}.video-card-heading{padding:16px 18px;gap:14px}.video-card-heading h3{font-size:1.0625rem}.video-meta{font-size:0.875rem;padding:16px 18px;line-height:1.9}.public-heading{padding:26px 0 32px;margin-bottom:28px}.public-heading h1{font-size:1.875rem}.public-heading>div>p:not(.eyebrow){font-size:0.9375rem}.public-quicklinks{gap:8px}.public-quicklinks>a{font-size:0.8125rem;padding:7px 12px}.public-content .doc-section{padding-bottom:28px}.funds-block{padding:26px 22px}.disclosure-block{padding:22px 18px}.disclosure-block>.section-head-inline{display:block}.disclosure-block h2{font-size:1.375rem}.draft-label{display:inline-block;margin:0 0 12px}.disclosure-data p{font-size:0.9375rem;padding:14px}.history-record{font-size:0.9375rem;padding:18px}.policy-metadata{font-size:0.875rem;line-height:1.9;margin-top:20px}.policy-content{font-size:1rem;line-height:2}.policy-content h2{font-size:1.3125rem;scroll-margin-top:92px}.policy-content h3{font-size:1.125rem}.policy-content p{margin-bottom:18px}.policy-index{padding:18px}.policy-index a{font-size:0.875rem}.policy-layout .toc nav{max-height:none;grid-template-columns:1fr 1fr}.policy-layout .toc nav a{font-size:0.8125rem;padding:7px 8px}.document-end{font-size:0.8125rem}}
@media(max-width:380px){.doc-heading h1,.tutorial-heading h1{font-size:1.625rem}.guide-brands .brand-letter,.tutorial-brands .brand-letter{width:24px;height:24px;font-size:1rem}.guide-brands .brand-option,.tutorial-brands .brand-option{padding:10px;gap:7px;font-size:0.75rem}.policy-layout .toc nav{grid-template-columns:1fr}.section-head-inline{flex-wrap:wrap}}

/* Keep the email address readable and label the mail action explicitly. */
.contact-email-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px 20px}
.contact-email-row .contact-address{min-width:0;font-size:clamp(1.125rem,3.2vw,1.375rem);color:var(--navy);overflow-wrap:anywhere}
.contact-email-row .text-link{min-height:44px;gap:8px;font-size:1rem}

/* The opening slogan shares the main heading size at every breakpoint. */
.hero-copy h1 .hero-slogan{display:block;font:inherit;letter-spacing:inherit;color:var(--blue);margin-bottom:.2em}

/* Approved follow cards: four columns on desktop, two on smaller screens. */
.social-section{background:#f6f9fe;border-top:1px solid #e6edf6;scroll-margin-top:100px}.social-section .eyebrow{text-align:center;margin-bottom:16px}.social-section h2{text-align:center;line-height:1.5}.social-section .follow-intro{text-align:center;color:var(--muted);font-size:1rem;line-height:1.9;margin:18px 0 38px}.social-section .follow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;max-width:1080px;margin:auto}.social-section .follow-card{padding:26px 20px 22px;background:#fff;border:1px solid #dce6f2;border-radius:16px;text-align:center}.social-section .follow-card h3{font-size:1.125rem;font-weight:650;line-height:1.7;margin-bottom:24px}.social-section .follow-code{display:block;margin:0 auto;padding:0;border:0;background:#fff;aspect-ratio:1;width:100%;max-width:180px;cursor:zoom-in}.social-section .follow-code img{display:block;width:100%;height:100%;object-fit:contain}.social-section .follow-card p{font-size:.875rem;color:#647890;margin-top:22px}.social-section .follow-hint{text-align:center;font-size:.875rem;color:#72859d;margin-top:26px}.site-dialog.code-dialog{width:min(560px,calc(100% - 28px));text-align:center;background:#fff;padding:22px}.code-dialog .dialog-close{position:static;float:none;display:block;margin-left:auto}.code-dialog #dialog-content h2{font-size:1.25rem;padding:0;margin:8px 0 22px}.code-dialog #dialog-content img{width:auto;max-width:100%;height:auto;max-height:60vh;object-fit:contain;margin:0 auto}.code-dialog #dialog-content p{font-size:.875rem;color:#617993;margin:22px 0 0}
@media(max-width:900px){.social-section .follow-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:640px}}
@media(max-width:520px){.social-section{padding:42px 0;scroll-margin-top:86px}.social-section .container{width:calc(100% - 28px)}.social-section .follow-intro{font-size:.9375rem;margin:16px 0 28px}.social-section .follow-grid{gap:12px}.social-section .follow-card{padding:20px 12px 18px;border-radius:12px}.social-section .follow-card h3{font-size:1rem;margin-bottom:18px}.social-section .follow-code{max-width:160px}.social-section .follow-card p{font-size:.8125rem;margin-top:16px}.social-section .follow-hint{font-size:.8125rem;line-height:1.8}}

/* Optional operation tutorials are separate from mandatory permission setup. */
.optional-operation-section{background:#f7f9fc;border-top:1px solid #e1e9f4;border-bottom:1px solid #e1e9f4;padding:62px 0;margin-bottom:64px}
.public-operation-guides .operation-entries{grid-template-columns:1fr;margin-top:22px}
.public-operation-guides>p:not(.eyebrow){font-size:1rem;color:var(--muted);line-height:1.95}
.public-operation-guides>p .text-link{display:inline;font-size:inherit;font-weight:500}
.public-operation-guides .eyebrow{margin-bottom:12px}
.doc-subtitle>strong{font-weight:600;color:var(--navy);display:block;margin-bottom:6px}
@media(max-width:760px){.optional-operation-section{padding:42px 0;margin-bottom:48px}.public-operation-guides .operation-entry{padding:20px 16px;gap:12px}}
.operation-home-entries{margin-top:22px}.operation-entries{display:grid;grid-template-columns:1fr 1fr;gap:20px}.operation-entry{display:flex;align-items:center;gap:20px;padding:26px 28px;border:1px solid #dae5f2;border-radius:16px;background:#fff}.operation-entry:hover{border-color:#7bacdf;background:#f8fbff}.entry-symbol{flex-shrink:0;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#eaf2ff;color:var(--blue);font-size:1rem;font-weight:600}.operation-entry>span:nth-child(2){flex:1;min-width:0}.operation-entry strong{display:block;color:var(--navy);font-size:1.1875rem;font-weight:600;line-height:1.6}.operation-entry small{display:block;color:var(--muted);font-size:.875rem;line-height:1.8;margin-top:5px}.entry-arrow{font-size:1.25rem;color:var(--blue)}.operation-guide-entries{margin-bottom:42px}.operation-guide-entries>h2{font-size:1.375rem;margin-bottom:18px}.operation-entries-compact .operation-entry{background:#f7faff}
@media(max-width:760px){.operation-entries{grid-template-columns:1fr;gap:12px}.operation-entry{padding:22px 20px;gap:14px;border-radius:12px}.operation-entry strong{font-size:1.125rem}.operation-entry small{font-size:.875rem}.operation-home-entries{margin-top:16px}.operation-guide-entries{margin-bottom:30px}.operation-guide-entries>h2{font-size:1.25rem;line-height:1.7}}
.site-modal-open{overflow:hidden}
.copy-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border:1px solid #c5d9ed;background:#f4f8ff;border-radius:8px;color:#135fae;font-size:.875rem;cursor:pointer}
.copy-button:hover{background:#e8f1ff}
.copy-feedback{font-size:.875rem;line-height:1.6;color:#295d8b;overflow-wrap:anywhere}
.copy-feedback:not(:empty){margin-top:10px}
.copy-feedback input{display:block;width:100%;min-height:44px;margin-top:8px;padding:8px;border:1px solid #b8cbdf;border-radius:6px}
.follow-card>.copy-button{margin-top:12px}.follow-card>.copy-feedback{font-size:.8125rem}
.code-dialog #dialog-content .social-account-name{font-size:1rem;color:var(--navy);font-weight:600;margin:14px 0}
.social-dialog-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.social-dialog-actions .button{font-size:.875rem;min-height:44px;padding:8px 14px;gap:8px}
.social-dialog-actions .copy-feedback{flex-basis:100%}
.code-dialog #dialog-content .social-save-hint{margin-top:14px;font-size:.8125rem}
.disclosure-draft{margin-top:20px;padding:18px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe}
.disclosure-draft>summary{cursor:pointer;color:#42617f;font-size:1rem;min-height:32px}
.disclosure-draft[open]>summary{margin-bottom:18px}
.disclosure-draft .draft-date{font-weight:600;color:var(--navy)}
.disclosure-draft .disclosure-data{margin-top:18px}
.history-pending{cursor:default}.history-pending>.status-label{flex-shrink:0}
.download-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:80px;align-items:center;padding:48px 0 60px;max-width:1000px}
.download-copy h1{font-size:clamp(2rem,3.8vw,3rem);line-height:1.4}
.download-intro{font-size:1.125rem;color:var(--muted);margin:22px 0}
.download-platform-note{font-size:.9375rem;color:var(--muted);margin-top:16px;line-height:1.85}
.download-store{margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.download-store h2{font-size:1.125rem;margin-bottom:10px}.download-store>p:not(.copy-feedback){margin-bottom:12px;color:var(--navy)}
.download-qr-card{padding:26px;border:1px solid var(--line);border-radius:20px;text-align:center;background:#f6f9ff}
.download-qr-card h2{font-size:1.25rem}.download-qr-card img{width:100%;height:auto;margin:18px auto;background:#fff}
.download-qr-card p{font-size:.9375rem;color:var(--muted)}
.download-qr-placeholder{aspect-ratio:1;display:grid;place-items:center;border:1px dashed #b7cce2;border-radius:10px;margin:18px 0;padding:24px;background:#fff;color:#67809b;font-size:1rem}
.download-help{max-width:1000px;padding-bottom:70px}.download-help>h2{font-size:1.5rem;margin-bottom:24px}
.download-help>ol{list-style-position:inside;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:0}
.download-help li{padding:22px;background:#f5f8fd;border:1px solid var(--line);border-radius:14px;font-size:1rem;line-height:1.85}
.download-help li p{margin:12px 0;color:var(--muted)}.download-guide-links{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:961px) and (max-width:1200px){.main-nav{gap:16px;font-size:.875rem}.header-inner{gap:16px}.wordmark>small{margin-left:8px}}
@media(max-width:960px){.menu-toggle{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 12px;border:1px solid #d5dfec;border-radius:7px;background:#fff;color:var(--navy)}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:12px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 20px #122b4d12;flex-direction:column;align-items:stretch;gap:0}.main-nav.is-open{display:flex}.main-nav>a:not(.button){padding:12px 8px}.main-nav>a[aria-current=page]:after{display:none}.main-nav>.button{margin-top:8px}.download-layout{gap:32px;grid-template-columns:minmax(0,1fr) 290px}}
@media(max-width:760px){.download-layout{display:block;padding:24px 0 36px}.download-copy h1{font-size:2rem}.download-qr-card{display:none}.download-help>ol{grid-template-columns:1fr;gap:14px}.download-help{padding-bottom:40px}.download-apk{width:100%}.download-platform-note{font-size:.875rem}.social-dialog-actions{gap:8px}.disclosure-draft{padding:14px}}