/* Local assets only. Original independent guide identity. */
:root {
    color-scheme:light;
    --ink:#192131;
    --muted:#5a6476;
    --blue:#204fe5;
    --blue-dark:#183cb3;
    --blue-pale:#edf2ff;
    --paper:#fff;
    --line:#e1e6ef;
    --soft:#f6f8fc;
    --radius:18px;
    --shell:1184px;
}
* {
    box-sizing:border-box;
}
html {
    scroll-behavior:smooth;
    scroll-padding-top:32px;
}
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:1.75;
    -webkit-font-smoothing:antialiased;
}
h1,h2,h3,p {
    margin:0;
}
h1,h2,h3 {
    line-height:1.25;
    font-weight:650;
}
a {
    color:inherit;
    text-decoration:none;
}
a,button,summary {
    -webkit-tap-highlight-color:transparent;
}
button {
    font:inherit;
}
button,a,summary {
    touch-action:manipulation;
}
a:focus-visible,button:focus-visible,summary:focus-visible {
    outline:3px solid var(--blue);
    outline-offset:5px;
}
svg {
    width:22px;
    height:22px;
    flex-shrink:0;
    vertical-align:middle;
}
p {
    overflow-wrap:anywhere;
}
.shell {
    width:min(var(--shell),calc(100% - 80px));
    margin-inline:auto;
}
.skip-link {
    position:absolute;
    top:-100px;
    left:24px;
    background:var(--ink);
    color:#fff;
    padding:12px;
    z-index:100;
}
.skip-link:focus {
    top:10px;
}
.disclosure-strip {
    background:#edf2ff;
    font-size:13px;
    color:#3e517d;
}
.disclosure-inner {
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:35px;
}
.disclosure-inner a {
    display:flex;
    gap:6px;
    align-items:center;
}
.disclosure-inner svg {
    width:13px;
    height:13px;
}
.site-header {
    border-bottom:1px solid var(--line);
    background:#fff;
}
.header-inner {
    min-height:100px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:30px;
}
.wordmark {
    display:flex;
    align-items:center;
    gap:12px;
    font-weight:650;
    line-height:1.3;
    font-size:20px;
    white-space:nowrap;
}
.wordmark small {
    display:block;
    color:var(--muted);
    font-weight:400;
    font-size:12px;
    margin-top:6px;
}
.brand-mark {
    display:flex;
    width:44px;
    height:44px;
    border-radius:13px;
    background:var(--blue);
    color:#fff;
    align-items:center;
    justify-content:center;
    position:relative;
    font-size:26px;
    font-weight:750;
    font-family:Arial,sans-serif;
}
.brand-mark span {
    font-size:13px;
    position:absolute;
    right:5px;
    top:3px;
}
.main-nav {
    display:flex;
    align-items:center;
    gap:30px;
    font-size:14px;
    font-weight:500;
}
.main-nav>a {
    padding:8px 0;
}
.main-nav>a[aria-current=page] {
    color:var(--blue);
}
.main-nav>a:hover {
    color:var(--blue);
}
.main-nav .header-cta {
    display:flex;
    align-items:center;
    gap:9px;
    border:1px solid var(--line);
    border-radius:8px;
    padding:10px 16px;
    background:#fff;
    color:var(--ink);
}
.header-cta:disabled {
    flex-direction:column;
    gap:1px;
}
.header-cta small {
    font-size:10px;
    font-weight:400;
    color:var(--muted);
}
.header-cta svg {
    width:15px;
    height:15px;
}
.nav-toggle {
    display:none;
    border:1px solid var(--line);
    border-radius:8px;
    background:#fff;
    padding:10px;
}
.hero {
    display:grid;
    grid-template-columns:1.12fr 1fr;
    gap:92px;
    padding-top:82px;
    padding-bottom:86px;
    align-items:center;
}
.eyebrow {
    font-size:14px;
    color:var(--blue);
    font-weight:550;
    margin-bottom:22px;
}
.hero h1 {
    font-size:clamp(48px,5.1vw,72px);
    font-weight:650;
    letter-spacing:-2.5px;
    line-height:1.17;
}
.hero-description {
    font-size:17px;
    max-width:440px;
    color:var(--muted);
    margin-top:28px;
    line-height:1.9;
}
.button-row {
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:12px;
    margin-top:30px;
}
.button {
    min-height:52px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:12px;
    padding:13px 21px;
    font-size:15px;
    font-weight:550;
    line-height:1.4;
    border:1px solid transparent;
    border-radius:8px;
    transition:background .15s,color .15s;
}
.button svg {
    width:18px;
    height:18px;
}
.button-primary {
    background:var(--blue);
    color:#fff;
}
.button-primary:hover:not(:disabled) {
    background:var(--blue-dark);
}
.button-secondary {
    border-color:var(--line);
    background:#fff;
    color:var(--ink);
}
.button-secondary:hover:not(:disabled) {
    background:var(--soft);
}
.button-light {
    background:#fff;
    color:var(--blue);
    border-color:#fff;
}
.button-light:hover:not(:disabled) {
    background:#edf2ff;
}
[data-referral-cta]:disabled {
    cursor:not-allowed;
    opacity:1;
    -webkit-text-fill-color:currentColor;
}
.cta-disclosure {
    font-size:12px;
    color:var(--muted);
    max-width:460px;
    margin-top:16px;
    line-height:1.7;
}
.guide-panel {
    background:var(--blue);
    border-radius:24px;
    color:#fff;
    overflow:hidden;
    align-self:stretch;
    display:flex;
    flex-direction:column;
}
.guide-panel-heading {
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    padding:25px 28px 0;
}
.guide-symbol svg {
    width:18px;
    height:18px;
}
.guide-tag {
    margin-left:auto;
    border:1px solid #7b96f0;
    border-radius:20px;
    padding:1px 9px;
    font-size:11px;
}
.guide-intro {
    padding:31px 30px 24px;
}
.guide-intro>p {
    font-size:33px;
    font-weight:550;
    line-height:1.4;
    letter-spacing:-.4px;
}
.guide-intro>span {
    display:block;
    margin-top:13px;
    color:#d0dcff;
    font-size:13px;
}
.guide-step {
    display:flex;
    align-items:center;
    gap:17px;
    padding:20px 30px;
    border-top:1px solid #587bed;
    transition:background .15s;
}
.guide-step:hover {
    background:#315eea;
}
.guide-step>.step-index {
    font-size:12px;
    color:#c5d2ff;
    font-variant-numeric:tabular-nums;
}
.guide-step>span:nth-child(2) {
    flex:1;
}
.guide-step strong {
    font-size:16px;
    font-weight:550;
}
.guide-step small {
    display:block;
    color:#d0dcff;
    font-size:12px;
    margin-top:3px;
}
.guide-step svg {
    width:21px;
}
.guide-panel-foot {
    display:flex;
    align-items:center;
    gap:9px;
    font-size:12px;
    background:#1944ce;
    padding:18px 30px;
    margin-top:auto;
    color:#dee6ff;
}
.guide-panel-foot svg {
    width:16px;
    height:16px;
}
.topic-band {
    background:var(--soft);
    border-block:1px solid var(--line);
}
.topic-band-inner {
    min-height:73px;
    display:flex;
    align-items:center;
    gap:52px;
    font-size:14px;
}
.topic-band-inner>span {
    color:var(--muted);
    margin-right:20px;
}
.topic-band-inner>a {
    display:flex;
    gap:15px;
    align-items:center;
}
.topic-band-inner>a:hover {
    color:var(--blue);
}
.topic-band svg {
    width:14px;
    height:14px;
}
.section {
    padding-top:84px;
    padding-bottom:84px;
}
.section h2 {
    font-size:37px;
    letter-spacing:-1px;
    line-height:1.35;
}
.overview-section {
    display:grid;
    grid-template-columns:1fr 1.2fr;
    gap:90px;
}
.overview-body {
    padding-top:5px;
}
.overview-body .large-copy {
    font-size:22px;
    color:var(--ink);
    line-height:1.8;
    margin-bottom:18px;
}
.overview-body p {
    font-size:16px;
    color:var(--muted);
}
.text-link {
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--blue);
    font-size:14px;
    font-weight:550;
    margin-top:22px;
}
.text-link svg {
    width:15px;
    height:15px;
}
.text-link:hover {
    text-decoration:underline;
    text-underline-offset:4px;
}
.resources-section {
    padding-top:0;
}
.section-heading-inline {
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:30px;
    margin-bottom:30px;
}
.section-heading-inline .eyebrow {
    margin-bottom:13px;
}
.section-heading-inline>p {
    font-size:14px;
    color:var(--muted);
    padding-bottom:5px;
}
.resource-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
}
.resource-card {
    display:grid;
    grid-template-columns:54px 1fr;
    column-gap:22px;
    row-gap:30px;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:32px;
    background:#fff;
    transition:border-color .15s;
}
.resource-card:hover {
    border-color:#879fed;
}
.resource-icon {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:50px;
    height:50px;
    background:var(--blue-pale);
    border-radius:14px;
    color:var(--blue);
}
.resource-icon svg {
    width:25px;
    height:25px;
}
.resource-card h3 {
    font-size:23px;
    margin:2px 0 12px;
}
.resource-card p {
    font-size:15px;
    color:var(--muted);
    line-height:1.85;
}
.resource-bottom {
    grid-column:1/-1;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-top:22px;
    border-top:1px solid var(--line);
    font-size:14px;
    color:var(--blue);
}
.resource-bottom svg {
    width:18px;
    height:18px;
}
.verify-card {
    background:var(--soft);
}
.preparation {
    background:var(--soft);
    border-block:1px solid var(--line);
}
.preparation-grid {
    display:grid;
    grid-template-columns:1fr 1.3fr;
    gap:96px;
}
.section-intro {
    font-size:15px;
    color:var(--muted);
    margin-top:20px;
    max-width:290px;
}
.preparation-list {
    padding:0;
    margin:0;
    list-style:none;
}
.preparation-list li {
    display:flex;
    gap:24px;
    padding:24px 0;
    border-bottom:1px solid var(--line);
}
.preparation-list li:first-child {
    padding-top:0;
}
.preparation-list li:last-child {
    border:0;
    padding-bottom:0;
}
.preparation-list li>span {
    display:block;
    min-width:27px;
    font-size:14px;
    color:var(--blue);
    padding-top:3px;
    font-variant-numeric:tabular-nums;
}
.preparation-list h3 {
    font-size:19px;
    margin-bottom:12px;
}
.preparation-list p {
    font-size:15px;
    color:var(--muted);
    line-height:1.9;
}
.faq-section {
    display:grid;
    grid-template-columns:1fr 1.3fr;
    gap:96px;
}
.faq-list details {
    border-bottom:1px solid var(--line);
}
.faq-list details:first-child {
    border-top:1px solid var(--line);
}
.faq-list summary {
    list-style:none;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:25px;
    cursor:pointer;
    padding:23px 0;
    font-size:17px;
    font-weight:500;
}
.faq-list summary::-webkit-details-marker {
    display:none;
}
.faq-list summary>span {
    font-size:22px;
    color:var(--blue);
    font-weight:300;
    transition:transform .15s;
}
.faq-list details[open] summary>span {
    transform:rotate(45deg);
}
.faq-list details p {
    padding:0 35px 23px 0;
    color:var(--muted);
    font-size:15px;
    line-height:1.9;
}
.faq-list a {
    color:var(--blue);
    text-decoration:underline;
    text-underline-offset:3px;
}
.final-cta {
    background:var(--blue);
    border-radius:20px;
    padding:38px 44px;
    display:flex;
    justify-content:space-between;
    gap:36px;
    align-items:center;
    color:#fff;
    margin-bottom:84px;
}
.final-cta p {
    font-size:14px;
    color:#d7e2ff;
    margin-bottom:10px;
}
.final-cta h2 {
    font-size:29px;
}
.final-cta>div:last-child {
    flex-shrink:0;
}
.final-cta small {
    display:block;
    font-size:11px;
    color:#d7e2ff;
    margin-top:10px;
    text-align:center;
}
.site-footer {
    border-top:1px solid var(--line);
    background:#fafbfe;
    padding:40px 0 24px;
}
.footer-top {
    display:flex;
    align-items:center;
    gap:24px;
    padding-bottom:30px;
    border-bottom:1px solid var(--line);
}
.footer-brand {
    font-size:20px;
    font-weight:650;
}
.footer-top>p {
    font-size:13px;
    color:var(--muted);
}
.footer-top>a:last-child {
    font-size:13px;
    color:var(--blue);
    margin-left:auto;
}
.footer-top svg {
    width:15px;
    height:15px;
}
.footer-notes {
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:40px;
    padding:30px 0;
}
.footer-notes h2 {
    font-size:13px;
    line-height:1.5;
    margin-bottom:10px;
    font-weight:600;
}
.footer-notes p {
    font-size:12px;
    line-height:1.85;
    color:#667084;
}
.footer-bottom {
    border-top:1px solid var(--line);
    padding-top:20px;
    display:flex;
    gap:24px;
    color:#6a7383;
    font-size:11px;
}
.footer-bottom>a {
    margin-left:auto;
}
.article-hero {
    padding-top:30px;
    padding-bottom:66px;
}
.breadcrumbs {
    display:flex;
    gap:13px;
    align-items:center;
    font-size:13px;
    color:var(--muted);
    margin-bottom:53px;
}
.breadcrumbs a:hover {
    color:var(--blue);
}
.article-hero .eyebrow {
    margin-bottom:20px;
}
.article-hero h1 {
    font-size:clamp(40px,5vw,64px);
    letter-spacing:-2px;
    line-height:1.25;
}
.article-lead {
    font-size:18px;
    line-height:1.9;
    max-width:680px;
    color:var(--muted);
    margin-top:26px;
    margin-bottom:28px;
}
.article-hero .button-row {
    margin-top:24px;
}
.article-content {
    border-top:1px solid var(--line);
    padding-top:58px;
}
.article-content h2 {
    font-size:32px;
}
.device-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:26px;
}
.device-card {
    border:1px solid var(--line);
    border-radius:18px;
    padding:34px;
    background:var(--soft);
}
.device-label {
    display:block;
    font-size:12px;
    color:var(--blue);
    margin-bottom:17px;
}
.device-card h3 {
    font-size:25px;
    margin-bottom:22px;
}
.device-card p {
    font-size:16px;
    color:var(--muted);
    margin-top:14px;
}
.device-card .text-link {
    margin-top:26px;
}
.inline-note {
    display:flex;
    gap:18px;
    background:var(--blue-pale);
    border-radius:12px;
    padding:24px 28px;
    margin-top:28px;
}
.inline-note>svg {
    color:var(--blue);
    margin-top:3px;
}
.inline-note h3 {
    font-size:17px;
    margin-bottom:9px;
}
.inline-note p {
    font-size:15px;
    color:#4d5e85;
}
.inline-note a {
    color:var(--blue);
    text-decoration:underline;
    text-underline-offset:3px;
}
.article-split {
    display:grid;
    grid-template-columns:1fr 1.45fr;
    gap:85px;
    margin-top:76px;
}
.check-list {
    padding-left:23px;
    margin:0;
}
.check-list li {
    padding:0 0 20px 10px;
    color:var(--muted);
    font-size:16px;
}
.check-list li:last-child {
    padding-bottom:0;
}
.check-list li::marker {
    color:var(--blue);
}
.check-list strong {
    color:var(--ink);
}
.source-note {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:14px 24px;
    border-top:1px solid var(--line);
    padding-top:24px;
    margin-top:62px;
    font-size:12px;
    color:var(--muted);
}
.source-note strong {
    color:var(--ink);
    font-weight:550;
}
.source-note a {
    color:var(--blue);
    display:flex;
    align-items:center;
    gap:6px;
}
.source-note svg {
    width:12px;
    height:12px;
}
.source-note>span {
    width:100%;
    font-size:12px;
}
.next-guide {
    border-top:1px solid var(--line);
    padding-top:32px;
    padding-bottom:60px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
}
.next-guide span {
    font-size:13px;
    color:var(--muted);
}
.next-guide h2 {
    font-size:24px;
    margin-top:12px;
}
.verification-block {
    display:flex;
    gap:24px;
    align-items:center;
    padding:32px;
    border:1px solid var(--line);
    border-radius:18px;
}
.verification-block .eyebrow {
    margin:0 0 7px;
}
.verified-domain {
    font-size:34px;
    line-height:1.35;
    font-weight:550;
    color:var(--blue);
    letter-spacing:-1px;
}
.verification-block p:last-child {
    font-size:14px;
    color:var(--muted);
    margin-top:9px;
    max-width:660px;
}
.verification-block>.text-link {
    margin:0 0 0 auto;
    flex-shrink:0;
}
.prose p {
    color:var(--muted);
    font-size:16px;
    margin-bottom:18px;
}
.prose .button {
    margin-top:8px;
}
.prose .cta-disclosure {
    font-size:12px;
    margin-top:14px;
}
.not-found {
    padding-block:110px;
}
.not-found h1 {
    font-size:50px;
    line-height:1.3;
}
.not-found>p:not(.eyebrow) {
    font-size:17px;
    color:var(--muted);
    max-width:530px;
    margin-block:26px;
}
.compact {
    padding-top:5px;
}
@media(min-width:1500px) {
    .hero {
        gap:110px;
    }
}
@media(max-width:1100px) {
    .shell {
        width:calc(100% - 56px);
    }
    .main-nav {
        gap:20px;
    }
    .hero {
        gap:45px;
        padding-top:64px;
        padding-bottom:64px;
    }
    .hero h1 {
        font-size:58px;
    }
    .guide-intro>p {
        font-size:29px;
    }
    .guide-panel-heading {
        padding-inline:24px;
    }
    .guide-intro,.guide-step {
        padding-inline:24px;
    }
    .guide-tag {
        display:none;
    }
    .hero .button {
        padding-inline:17px;
        font-size:14px;
    }
    .overview-section {
        gap:55px;
    }
    .preparation-grid,.faq-section {
        gap:50px;
    }
    .section h2 {
        font-size:32px;
    }
    .topic-band-inner {
        gap:30px;
    }
    .topic-band-inner>span {
        margin-right:0;
    }
    .footer-notes {
        gap:26px;
    }
    .header-inner {
        gap:20px;
    }
    .wordmark {
        font-size:18px;
    }
    .wordmark small {
        font-size:11px;
    }
}
@media(max-width:900px) {
    .header-inner {
        min-height:84px;
        flex-wrap:wrap;
        gap:0;
        position:relative;
    }
    .wordmark {
        padding-block:17px;
    }
    .main-nav {
        width:100%;
        padding:0 0 20px;
        gap:24px;
        flex-wrap:wrap;
    }
    .js .nav-toggle {
        display:inline-flex;
    }
    .js .main-nav {
        display:none;
    }
    .js .main-nav.is-open {
        display:flex;
    }
    .main-nav .header-cta {
        margin-left:auto;
    }
    .hero {
        grid-template-columns:1fr 1fr;
        gap:30px;
        padding-top:54px;
        padding-bottom:56px;
    }
    .hero h1 {
        font-size:48px;
        letter-spacing:-1.8px;
    }
    .hero-description {
        font-size:15px;
        margin-top:22px;
    }
    .hero .button-row {
        gap:10px;
    }
    .hero .button {
        width:100%;
    }
    .guide-panel-heading {
        font-size:12px;
        padding-top:24px;
    }
    .guide-intro {
        padding-top:32px;
        padding-bottom:28px;
    }
    .guide-intro>p {
        font-size:27px;
    }
    .guide-step {
        gap:12px;
        padding-block:20px;
    }
    .guide-step strong {
        font-size:15px;
    }
    .guide-step small {
        font-size:11px;
    }
    .guide-panel-foot {
        padding-inline:22px;
        font-size:11px;
    }
    .topic-band-inner {
        gap:22px;
        font-size:12px;
        justify-content:space-between;
    }
    .topic-band-inner>a {
        gap:6px;
    }
    .topic-band-inner>span {
        display:none;
    }
    .overview-section {
        grid-template-columns:1fr 1.2fr;
        gap:32px;
    }
    .overview-body .large-copy {
        font-size:19px;
    }
    .section {
        padding-block:60px;
    }
    .resources-section {
        padding-top:0;
    }
    .section-heading-inline {
        align-items:flex-start;
    }
    .section-heading-inline>p {
        max-width:170px;
    }
    .section h2 {
        font-size:28px;
    }
    .resource-card {
        padding:25px;
        grid-template-columns:1fr;
        gap:21px;
    }
    .resource-card h3 {
        font-size:21px;
    }
    .resource-icon {
        width:44px;
        height:44px;
    }
    .resource-bottom {
        padding-top:18px;
    }
    .preparation-grid,.faq-section {
        grid-template-columns:1fr 1.4fr;
        gap:32px;
    }
    .preparation-list li {
        gap:16px;
    }
    .preparation-list h3 {
        font-size:17px;
    }
    .faq-list summary {
        font-size:16px;
    }
    .final-cta {
        padding:32px;
        margin-bottom:60px;
    }
    .final-cta h2 {
        font-size:24px;
    }
    .footer-notes {
        grid-template-columns:1fr 1fr;
    }
    .footer-notes>section:first-child {
        grid-column:1/-1;
    }
    .footer-top {
        gap:16px;
    }
    .footer-brand {
        font-size:18px;
    }
    .article-hero {
        padding-bottom:50px;
    }
    .article-hero h1 {
        font-size:48px;
    }
    .article-lead {
        font-size:17px;
    }
    .device-card {
        padding:25px;
    }
    .article-split {
        gap:35px;
        grid-template-columns:1fr 1.5fr;
    }
    .verified-domain {
        font-size:27px;
    }
    .verification-block {
        flex-wrap:wrap;
        padding:27px;
    }
    .verification-block>div {
        flex:1;
    }
    .verification-block>.text-link {
        margin-left:74px;
    }
    .next-guide h2 {
        font-size:21px;
    }
}
@media(max-width:600px) {
    .shell {
        width:calc(100% - 40px);
    }
    .disclosure-inner {
        font-size:11px;
        gap:12px;
        min-height:34px;
    }
    .disclosure-inner a {
        font-size:10px;
    }
    .disclosure-inner svg {
        display:none;
    }
    .header-inner {
        min-height:80px;
    }
    .brand-mark {
        width:39px;
        height:39px;
        border-radius:11px;
        font-size:23px;
    }
    .wordmark {
        gap:10px;
        font-size:18px;
    }
    .wordmark small {
        font-size:10px;
        margin-top:4px;
    }
    .nav-toggle {
        padding:9px;
    }
    .nav-toggle svg {
        width:19px;
        height:19px;
    }
    .main-nav {
        align-items:stretch;
        flex-direction:column;
        gap:5px;
        padding-top:8px;
        padding-bottom:18px;
        font-size:15px;
    }
    .main-nav>a {
        padding:9px 4px;
    }
    .main-nav .header-cta {
        margin:8px 0 0;
        justify-content:center;
        padding:12px;
    }
    .hero {
        grid-template-columns:1fr;
        gap:36px;
        padding-top:42px;
        padding-bottom:40px;
    }
    .hero h1 {
        font-size:52px;
        letter-spacing:-1.9px;
        line-height:1.17;
    }
    .hero .eyebrow {
        font-size:13px;
        margin-bottom:18px;
    }
    .hero-description {
        font-size:16px;
        margin-top:23px;
        line-height:1.8;
        max-width:350px;
    }
    .hero .button-row {
        margin-top:26px;
        flex-wrap:nowrap;
    }
    .hero .button {
        width:auto;
        flex:1;
        font-size:13px;
        min-height:50px;
        padding:12px 13px;
        gap:8px;
    }
    .hero .button svg {
        width:16px;
        height:16px;
    }
    .cta-disclosure {
        font-size:11px;
        margin-top:13px;
    }
    .guide-panel {
        border-radius:18px;
    }
    .guide-panel-heading {
        padding-top:22px;
        font-size:12px;
    }
    .guide-tag {
        display:block;
        font-size:10px;
    }
    .guide-intro {
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:20px;
        padding-top:24px;
        padding-bottom:24px;
    }
    .guide-intro>p {
        font-size:26px;
    }
    .guide-intro>span {
        max-width:85px;
        font-size:12px;
        text-align:right;
        line-height:2;
        margin:0;
    }
    .guide-step {
        padding:16px 24px;
        gap:18px;
    }
    .guide-step strong {
        font-size:15px;
    }
    .guide-step small {
        font-size:12px;
    }
    .guide-panel-foot {
        padding:15px 24px;
        font-size:11px;
    }
    .topic-band-inner {
        padding-block:17px;
        gap:14px;
        flex-wrap:wrap;
        justify-content:flex-start;
        font-size:12px;
    }
    .topic-band-inner>a:last-child {
        margin-left:auto;
    }
    .topic-band-inner svg {
        width:12px;
        height:12px;
    }
    .section {
        padding-top:47px;
        padding-bottom:47px;
    }
    .eyebrow {
        font-size:12px;
        margin-bottom:15px;
    }
    .section h2 {
        font-size:29px;
        letter-spacing:-.7px;
    }
    .overview-section {
        grid-template-columns:1fr;
        gap:24px;
    }
    .overview-body {
        padding:0;
    }
    .overview-body .large-copy {
        font-size:19px;
        line-height:1.8;
    }
    .overview-body p {
        font-size:15px;
    }
    .text-link {
        font-size:14px;
        margin-top:20px;
    }
    .section-heading-inline {
        display:block;
        margin-bottom:24px;
    }
    .section-heading-inline>p {
        max-width:none;
        margin-top:14px;
        font-size:13px;
    }
    .resources-section {
        padding-top:0;
    }
    .resource-grid {
        grid-template-columns:1fr;
        gap:17px;
    }
    .resource-card {
        padding:24px;
        grid-template-columns:42px 1fr;
        column-gap:17px;
        row-gap:20px;
        border-radius:15px;
    }
    .resource-card h3 {
        font-size:21px;
        margin-bottom:9px;
    }
    .resource-card p {
        font-size:14px;
    }
    .resource-icon {
        width:42px;
        height:42px;
        border-radius:11px;
    }
    .resource-icon svg {
        width:22px;
        height:22px;
    }
    .resource-bottom {
        font-size:13px;
    }
    .preparation-grid,.faq-section {
        grid-template-columns:1fr;
        gap:29px;
    }
    .preparation-grid h2 br {
        display:none;
    }
    .section-intro {
        max-width:none;
        font-size:14px;
        margin-top:14px;
    }
    .preparation-list li {
        padding:22px 0;
        gap:18px;
    }
    .preparation-list li>span {
        font-size:13px;
    }
    .preparation-list h3 {
        font-size:18px;
        margin-bottom:9px;
    }
    .preparation-list p {
        font-size:14px;
    }
    .faq-list summary {
        padding-block:21px;
        font-size:16px;
    }
    .faq-list details p {
        font-size:14px;
        padding-right:13px;
    }
    .final-cta {
        padding:29px 24px;
        display:block;
        border-radius:15px;
        margin-bottom:46px;
    }
    .final-cta p {
        font-size:12px;
        margin-bottom:12px;
    }
    .final-cta h2 {
        font-size:25px;
        line-height:1.4;
    }
    .final-cta>div:last-child {
        margin-top:23px;
    }
    .final-cta .button {
        width:100%;
        font-size:14px;
    }
    .final-cta small {
        font-size:10px;
    }
    .site-footer {
        padding-top:30px;
    }
    .footer-top {
        flex-wrap:wrap;
        gap:10px 20px;
        padding-bottom:22px;
    }
    .footer-top>p {
        font-size:12px;
    }
    .footer-top>a:last-child {
        margin-left:0;
        width:100%;
        margin-top:8px;
    }
    .footer-notes {
        display:block;
        padding:24px 0;
    }
    .footer-notes section+section {
        margin-top:22px;
    }
    .footer-notes h2 {
        font-size:13px;
        margin-bottom:8px;
    }
    .footer-notes p {
        font-size:12px;
    }
    .footer-bottom {
        flex-wrap:wrap;
        font-size:10px;
        gap:8px 18px;
        padding-top:18px;
    }
    .footer-bottom>a {
        margin-left:0;
    }
    .article-hero {
        padding-top:22px;
        padding-bottom:40px;
    }
    .breadcrumbs {
        font-size:12px;
        margin-bottom:36px;
    }
    .article-hero .eyebrow {
        font-size:12px;
        margin-bottom:18px;
    }
    .article-hero h1 {
        font-size:42px;
        line-height:1.28;
        letter-spacing:-1.6px;
    }
    .article-lead {
        font-size:16px;
        margin-top:22px;
        margin-bottom:24px;
        line-height:1.85;
    }
    .article-hero>.button {
        width:100%;
        font-size:14px;
    }
    .article-hero .button-row {
        display:flex;
        flex-direction:column;
        align-items:stretch;
    }
    .article-hero .button-row .button {
        font-size:14px;
    }
    .article-content {
        padding-top:36px;
    }
    .article-content h2 {
        font-size:27px;
    }
    .device-grid {
        grid-template-columns:1fr;
        gap:18px;
    }
    .device-card {
        padding:25px;
    }
    .device-card h3 {
        font-size:23px;
        margin-bottom:18px;
    }
    .device-card p {
        font-size:15px;
    }
    .device-label {
        font-size:12px;
        margin-bottom:14px;
    }
    .inline-note {
        padding:22px 20px;
        gap:12px;
        margin-top:22px;
    }
    .inline-note>svg {
        width:20px;
        height:20px;
    }
    .inline-note h3 {
        font-size:16px;
    }
    .inline-note p {
        font-size:14px;
    }
    .article-split {
        grid-template-columns:1fr;
        gap:25px;
        margin-top:46px;
    }
    .check-list li {
        font-size:15px;
    }
    .verification-block {
        padding:23px 21px;
        gap:15px;
        align-items:flex-start;
    }
    .verification-block>div {
        flex:1;
        min-width:180px;
    }
    .verification-block .eyebrow {
        font-size:11px;
        margin-bottom:7px;
    }
    .verified-domain {
        font-size:25px;
        letter-spacing:-.6px;
    }
    .verification-block p:last-child {
        font-size:13px;
    }
    .verification-block>.text-link {
        margin-left:57px;
        font-size:13px;
    }
    .prose p {
        font-size:15px;
    }
    .prose .button {
        width:100%;
        font-size:14px;
    }
    .source-note {
        margin-top:40px;
        padding-top:22px;
        gap:14px;
        font-size:12px;
    }
    .source-note strong {
        width:100%;
    }
    .next-guide {
        display:block;
        padding-block:29px 42px;
    }
    .next-guide h2 {
        font-size:23px;
        line-height:1.45;
        margin-top:10px;
    }
    .next-guide .button {
        margin-top:21px;
        width:100%;
        font-size:14px;
    }
    .not-found {
        padding-block:70px;
    }
    .not-found h1 {
        font-size:37px;
    }
    .not-found>p:not(.eyebrow) {
        font-size:16px;
    }
}
@media(max-width:360px) {
    .shell {
        width:calc(100% - 32px);
    }
    .hero h1 {
        font-size:46px;
    }
    .hero .button-row {
        flex-wrap:wrap;
    }
    .hero .button {
        flex-basis:100%;
    }
    .topic-band-inner {
        gap:15px;
    }
    .topic-band-inner>a:last-child {
        margin-left:0;
    }
    .guide-panel-heading {
        padding-inline:20px;
    }
    .guide-intro {
        padding-inline:20px;
    }
    .article-hero h1 {
        font-size:36px;
    }
    .resource-card {
        grid-template-columns:1fr;
    }
    .disclosure-inner {
        font-size:10px;
    }
}
@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior:auto;
    }
    *,*::before,*::after {
        transition:none!important;
        animation:none!important;
    }
}
.preparation-list p a {
    color:var(--blue);
    text-decoration:underline;
    text-underline-offset:3px;
}
@media(max-width:600px) {
    .hero .button-row {
        align-items:stretch;
    }
}

/* Editorial content update: local product image and original guide diagrams. */
.hero-editorial { gap: 64px; padding-block: 66px 64px; }
.hero-editorial h1 { font-size: clamp(48px, 4.5vw, 64px); letter-spacing: -2px; line-height: 1.22; }
.hero-editorial h1 > span { color: var(--blue); }
.hero-editorial .eyebrow { display: flex; gap: 12px; align-items: center; font-size: 12px; letter-spacing: .5px; }
.eyebrow-line { width: 28px; height: 1px; background: #a8b9ec; }
.hero-editorial .hero-description { max-width: 470px; }
.hero-topics { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.hero-topics a { display: inline-flex; align-items: center; gap: 5px; }
.hero-topics svg { width: 15px; height: 15px; }
.hero-topics a:hover { color: var(--blue); }
.app-visual { margin: 0; position: relative; background: #eaf0ff; border: 1px solid #e1e8fb; border-radius: 24px; min-width: 0; height: 526px; overflow: hidden; }
.app-visual-label { position: relative; display: flex; justify-content: space-between; padding: 27px 28px; color: #2045b3; font-size: 12px; letter-spacing: 1px; z-index: 2; }
.app-visual-label > span:first-child { font-size: 16px; font-weight: 750; letter-spacing: 3px; }
.app-visual-label svg { width: 17px; height: 17px; }
.app-hero-image { position: absolute; width: 108%; height: 94%; object-fit: contain; left: 0; top: 41px; z-index: 1; }
.app-orbit { border: 1px solid #c3d2f7; border-radius: 50%; position: absolute; width: 520px; height: 520px; left: -115px; top: 100px; }
.orbit-two { width: 420px; height: 420px; top: 150px; left: -65px; }
.app-visual figcaption { position: absolute; z-index: 2; bottom: 0; width: 100%; padding: 16px 20px; background: #eef3fff5; color: #586785; font-size: 10px; line-height: 1.6; }
.app-visual figcaption a { text-decoration: underline; text-underline-offset: 3px; }
.guides-section { padding-top: 76px; padding-bottom: 80px; scroll-margin-top: 20px; }
.editorial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-top: 34px; }
.editorial-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; transition: border-color .2s, transform .2s; }
.editorial-card:hover { border-color: #aabdea; transform: translateY(-4px); }
.editorial-image { aspect-ratio: 5/3; overflow: hidden; background: var(--soft); }
.editorial-image img { width: 100%; height: 100%; display: block; object-fit: cover; }
.editorial-card-body { padding: 25px 25px 22px; display: flex; flex-direction: column; flex: 1; }
.article-category { color: var(--blue); font-size: 12px; font-weight: 600; letter-spacing: .4px; }
.editorial-card h3 { font-size: 21px; line-height: 1.5; margin-top: 10px; letter-spacing: -.3px; }
.editorial-card p { font-size: 13px; line-height: 1.85; color: var(--muted); margin-top: 13px; }
.editorial-read { display: flex; align-items: center; justify-content: space-between; color: var(--blue); font-size: 13px; font-weight: 550; padding-top: 24px; margin-top: auto; }
.editorial-read svg { width: 19px; height: 19px; }
.overview-tint { background: #f6f8fc; border-block: 1px solid #edf0f5; }
.overview-tint .overview-section { padding-block: 70px; }
.overview-links { display: flex; gap: 26px; flex-wrap: wrap; }
.preparation .text-link { margin-top: 24px; }
.download-illustration { display: grid; grid-template-columns: 1fr 1fr; margin-top: 52px; margin-bottom: 42px; border-radius: 20px; border: 1px solid #e0e7f4; overflow: hidden; background: #f4f7ff; }
.download-illustration > div { padding: 44px; align-self: center; }
.download-illustration h2 { font-size: 29px; margin-bottom: 20px; }
.download-illustration p { font-size: 15px; color: var(--muted); }
.download-illustration .text-link { margin-top: 20px; }
.download-illustration figure { margin: 0; height: 360px; position: relative; overflow: hidden; }
.download-illustration img { width: 100%; height: 110%; object-fit: contain; }
.download-illustration figcaption { position: absolute; bottom: 0; padding: 10px 16px; width: 100%; background: #f4f7ffef; color: var(--muted); font-size: 10px; }
.domain-explainer { background: #eef3ff; border: 1px solid #d9e3ff; padding: 36px; border-radius: 16px; margin-top: 42px; }
.domain-address { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: clamp(19px, 3vw, 32px); letter-spacing: -.5px; border: 1px solid #d8e0ee; background: #fff; border-radius: 10px; padding: 18px 22px; color: #73819c; overflow-wrap: anywhere; }
.domain-address strong { color: var(--blue); border-bottom: 2px solid var(--blue); padding-bottom: 4px; }
.domain-explainer > p { font-size: 14px; margin-top: 20px; color: var(--muted); }
.longform { padding-top: 36px; }
.longform-header { max-width: 900px; margin: 44px auto 36px; }
.longform-header .eyebrow { margin-bottom: 16px; }
.longform-header h1 { font-size: clamp(30px, 3.6vw, 47px); line-height: 1.35; letter-spacing: -1px; max-width: 860px; }
.longform-header .article-lead { max-width: 850px; margin-top: 24px; font-size: 17px; line-height: 1.9; }
.article-meta { display: flex; flex-wrap: wrap; gap: 22px; font-size: 12px; color: var(--muted); margin-top: 24px; }
.article-meta > span:first-child { color: var(--ink); font-weight: 550; }
.article-cover { margin: 0 auto 52px; max-width: 900px; }
.article-cover img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 18px; }
.article-cover figcaption { margin-top: 12px; color: #707c8f; font-size: 11px; }
.longform-grid { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 68px; max-width: 1080px; margin-inline: auto; }
.article-toc { position: sticky; top: 28px; padding: 22px 0; border-top: 2px solid var(--ink); }
.article-toc > p { font-size: 13px; font-weight: 650; }
.article-toc ol { padding-left: 19px; color: #7a8497; font-size: 13px; margin-block: 20px 26px; }
.article-toc li { padding-left: 3px; margin-bottom: 16px; }
.article-toc a:hover { color: var(--blue); }
.toc-return { color: var(--blue); font-size: 12px; }
.toc-return svg { width: 16px; height: 16px; }
.article-prose { min-width: 0; }
.article-takeaway { background: var(--blue-pale); border-left: 3px solid var(--blue); padding: 25px 28px; border-radius: 0 10px 10px 0; }
.article-takeaway > span { font-size: 12px; font-weight: 650; color: var(--blue); }
.article-takeaway p { font-size: 17px; line-height: 1.85; margin-top: 9px; }
.article-prose > section { margin-top: 46px; scroll-margin-top: 35px; }
.article-prose h2 { font-size: 25px; line-height: 1.5; letter-spacing: -.3px; }
.article-prose section > p { margin-top: 20px; line-height: 2; color: #475368; }
.article-prose ul { margin: 22px 0 0; padding-left: 24px; color: #475368; }
.article-prose li { line-height: 1.95; margin-bottom: 12px; padding-left: 5px; }
.article-prose .article-sources { padding-top: 32px; border-top: 1px solid var(--line); }
.article-sources h2 { font-size: 19px; }
.article-sources > p, .article-sources li { font-size: 13px; }
.article-sources a { color: var(--blue); }
.article-sources svg { width: 13px; height: 13px; }
.article-action { margin-top: 44px; background: var(--soft); border: 1px solid var(--line); border-radius: 14px; padding: 30px; }
.article-action h2 { font-size: 23px; }
.article-action p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.article-action .button { margin-top: 22px; }
.article-action small { display: block; margin-top: 12px; color: var(--muted); font-size: 11px; }
.related-guides { margin-top: 50px; border-top: 1px solid var(--line); }
.related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.related-grid .editorial-card { flex-direction: row; align-items: stretch; }
.related-grid .editorial-image { flex: 0 0 42%; aspect-ratio: auto; }
.related-grid .editorial-card-body { padding: 20px; }
.related-grid h3 { font-size: 18px; }
@media (max-width: 1100px) {
    .hero-editorial { gap: 36px; }
    .hero-editorial h1 { font-size: 55px; }
    .app-visual { height: 490px; }
    .editorial-grid { gap: 18px; }
    .editorial-card-body { padding: 20px; }
    .editorial-card h3 { font-size: 19px; }
    .longform-grid { gap: 40px; grid-template-columns: 195px minmax(0, 1fr); }
    .main-nav { gap: 19px; font-size: 13px; }
}
@media (max-width: 900px) {
    .hero-editorial h1 { font-size: 43px; letter-spacing: -1.3px; }
    .hero-editorial .eyebrow { font-size: 10px; gap: 8px; }
    .eyebrow-line { width: 16px; }
    .app-visual { height: 475px; }
    .app-visual-label { padding: 23px 20px; }
    .app-visual-label > span:last-child { display: none; }
    .app-hero-image { width: 100%; height: 86%; left: 0; top: 54px; }
    .hero-topics { gap: 12px; font-size: 11px; }
    .editorial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .editorial-grid:not(.related-grid) .editorial-card:last-child { grid-column: 1 / -1; flex-direction: row; }
    .editorial-grid:not(.related-grid) .editorial-card:last-child .editorial-image { flex: 0 0 48%; aspect-ratio: auto; }
    .related-grid { grid-template-columns: 1fr; }
    .longform-grid { grid-template-columns: 1fr; gap: 30px; }
    .article-toc { position: static; padding-bottom: 0; }
    .article-toc ol { display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; margin-bottom: 12px; }
    .download-illustration > div { padding: 28px; }
    .download-illustration figure { height: 330px; }
}
@media (max-width: 600px) {
    .hero-editorial { padding-block: 40px; gap: 30px; }
    .hero-editorial h1 { font-size: clamp(37px, 10.5vw, 49px); line-height: 1.26; letter-spacing: -1.4px; }
    .hero-editorial .eyebrow { font-size: 10px; margin-bottom: 19px; }
    .hero-editorial .hero-description { font-size: 15px; margin-top: 22px; }
    .hero-editorial .button-row { margin-top: 24px; flex-wrap: nowrap; }
    .hero-editorial .button { padding-inline: 13px; gap: 8px; }
    .hero-topics { justify-content: space-between; gap: 8px; margin-top: 20px; padding-top: 17px; }
    .app-visual { height: 375px; border-radius: 18px; }
    .app-hero-image { width: 104%; height: 103%; top: 14px; left: 0; }
    .app-visual-label { padding: 23px; }
    .app-visual-label > span:last-child { display: inline; font-size: 10px; }
    .app-visual-label > span:first-child { font-size: 13px; }
    .app-visual figcaption { font-size: 9px; padding: 12px 16px; }
    .guides-section { padding-block: 48px; }
    .editorial-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 27px; }
    .editorial-grid:not(.related-grid) .editorial-card:last-child { grid-column: auto; flex-direction: column; }
    .editorial-grid:not(.related-grid) .editorial-card:last-child .editorial-image { aspect-ratio: 5/3; }
    .editorial-card h3 { font-size: 21px; }
    .editorial-card p { font-size: 14px; }
    .editorial-card-body { padding: 23px; }
    .overview-tint .overview-section { padding-block: 48px; }
    .overview-links { gap: 12px 22px; }
    .download-illustration { grid-template-columns: 1fr; margin-top: 30px; }
    .download-illustration > div { padding: 26px; }
    .download-illustration h2 { font-size: 24px; }
    .download-illustration figure { height: 330px; }
    .domain-explainer { padding: 20px; margin-top: 28px; }
    .domain-address { padding: 18px 12px; font-size: 21px; }
    .longform { padding-top: 23px; }
    .longform-header { margin-top: 34px; margin-bottom: 24px; }
    .longform-header h1 { font-size: 30px; line-height: 1.45; letter-spacing: -.6px; }
    .longform-header .article-lead { font-size: 15px; margin-top: 18px; }
    .article-meta { gap: 8px 18px; font-size: 11px; margin-top: 20px; }
    .article-cover { margin-bottom: 30px; }
    .article-cover img { border-radius: 12px; }
    .article-cover figcaption { font-size: 10px; }
    .article-toc ol { display: block; }
    .article-toc li { margin-bottom: 10px; }
    .article-takeaway { padding: 22px; }
    .article-takeaway p { font-size: 16px; }
    .article-prose h2 { font-size: 22px; }
    .article-prose > section { margin-top: 32px; }
    .article-prose section > p, .article-prose li { font-size: 15px; line-height: 1.95; }
    .article-action { padding: 24px; }
    .article-action .button { width: 100%; }
    .article-sources li, .article-prose .article-sources > p { font-size: 13px; }
    .related-guides { margin-top: 35px; }
    .related-grid .editorial-card { flex-direction: column; }
    .related-grid .editorial-image { aspect-ratio: 5/3; }
    .related-grid h3 { font-size: 21px; }
}
@media (prefers-reduced-motion: reduce) {
    .editorial-card { transition: none; }
    .editorial-card:hover { transform: none; }
}