:root{color-scheme:light;--bg:#f7f9fc;--surface:#fcfdff;--soft:#edf2f9;--text:#172334;--muted:#526176;--line:#dce3ed;--blue:#2458d3;--blue-text:#2458d3;--tint:#e7efff;--blue-surface:#dde8ff;--hero-bg:#e4edfb;--shadow:0 22px 65px #25498118;--shadow-small:0 8px 26px #25498112;--radius:16px;--font:'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#121a27;--surface:#182232;--soft:#202d40;--text:#ecf1fa;--muted:#afbdd1;--line:#324054;--blue:#2458d3;--blue-text:#9ebbff;--tint:#223960;--blue-surface:#233b63;--hero-bg:#1c2d47;--shadow:0 22px 65px #080e1840;--shadow-small:0 8px 26px #080e1830}}
:root[data-theme=dark]{color-scheme:dark;--bg:#121a27;--surface:#182232;--soft:#202d40;--text:#ecf1fa;--muted:#afbdd1;--line:#324054;--blue:#2458d3;--blue-text:#9ebbff;--tint:#223960;--blue-surface:#233b63;--hero-bg:#1c2d47;--shadow:0 22px 65px #080e1840;--shadow-small:0 8px 26px #080e1830}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
::selection{background:var(--blue);color:#f8faff}
*{scrollbar-color:var(--line) var(--bg);scrollbar-width:thin}
a{color:inherit;text-decoration:none;text-underline-offset:5px}
a:hover{color:var(--blue-text)}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
button,a,input,summary{-webkit-tap-highlight-color:transparent}
button{background:none;border:0}
:focus-visible{outline:3px solid var(--blue-text);outline-offset:5px}
input{caret-color:var(--blue-text)}
input::placeholder{color:var(--muted)}
img{max-width:100%;height:auto;display:block}
svg{display:block;width:22px;height:22px;flex-shrink:0}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.4;letter-spacing:-.025em;text-wrap:balance;font-weight:700}
h1{font-size:clamp(35px,4.6vw,62px)}
h2{font-size:clamp(27px,3vw,38px)}
h3{font-size:20px}
p{color:var(--muted)}
ul,ol{padding-left:1.4em}
[hidden]{display:none!important}
.wrap{width:min(1240px,calc(100% - 80px));margin-inline:auto}
.skip-link{position:absolute;top:-100px;left:24px;background:var(--blue);color:#f8faff;padding:10px 20px;z-index:30;border-radius:8px}
.skip-link:focus{top:10px;color:#f8faff}
.site-header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.header-inner{height:80px;display:flex;align-items:center;gap:35px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:35px;height:35px;object-fit:contain}
.brand-name{font-size:22px;letter-spacing:-.03em;font-weight:750;line-height:1.3}
.brand-name small{display:block;font-size:10px;letter-spacing:.16em;font-weight:500;color:var(--muted);margin-top:3px}
.site-nav{display:flex;align-items:center;gap:28px;margin-left:auto;height:100%}
.site-nav a{height:100%;display:flex;align-items:center;font-size:14px;font-weight:500;position:relative;white-space:nowrap}
.site-nav a[aria-current=page]{color:var(--blue-text)}
.site-nav a[aria-current=page]::after{content:'';position:absolute;bottom:18px;left:0;right:0;height:2px;background:var(--blue-text)}
.header-actions{display:flex;gap:15px;align-items:center}
.icon-button{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--soft);transition:background .2s}
.icon-button:hover{background:var(--tint);color:var(--blue-text)}
.icon-button .sun{display:none}
:root[data-theme=dark] .icon-button .sun{display:block}
:root[data-theme=dark] .icon-button .moon{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .icon-button .sun{display:block}:root:not([data-theme=light]) .icon-button .moon{display:none}}
.menu-button{display:none}
.button{display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:48px;padding:11px 22px;border-radius:8px;font-size:14px;font-weight:600;white-space:nowrap;transition:background .2s,transform .2s,color .2s;line-height:1.6}
.button.primary{background:var(--blue);color:#f8faff}
.button.primary:hover{background:#1948b8;transform:translateY(-2px);color:#f8faff}
.button.secondary{background:var(--surface);border:1px solid var(--line)}
.button.secondary:hover{background:var(--tint);border-color:var(--blue-text)}
.button.small{min-height:40px;padding:8px 15px;font-size:13px}
.text-link{display:inline-flex;align-items:center;gap:9px;color:var(--blue-text);font-weight:600;font-size:14px}
.text-link svg{width:18px;height:18px;transition:transform .2s}
.text-link:hover svg{transform:translateX(4px)}
.hero{padding:70px 0 68px;display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:55px}
.hero h1{line-height:1.3;font-weight:800;max-width:580px}
.hero h1 span{color:var(--blue-text);display:block}
.hero-copy>p{font-size:16px;line-height:1.95;margin-top:25px;max-width:430px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-visual{margin:0;min-width:0}
.hero-art{background:var(--hero-bg);border-radius:var(--radius);padding:32px 24px;min-height:355px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-art img{width:100%;object-fit:contain;filter:drop-shadow(0 15px 16px #19324b18)}
.hero-visual figcaption{font-size:11px;color:var(--muted);margin-top:11px;text-align:right}
.platform-strip{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:20px;align-items:center;padding:29px 0;border-block:1px solid var(--line)}
.platform-intro strong{font-size:16px;font-weight:600}
.platform-intro p{font-size:12px;margin-top:3px}
.platform-link{display:flex;gap:11px;align-items:center;justify-content:center;font-weight:500}
.platform-link svg{width:24px;height:24px;color:var(--muted)}
.platform-link:hover svg{color:var(--blue-text)}
.section{padding-block:86px}
.section-heading{margin-bottom:35px}
.section-heading>p{font-size:15px;margin-top:14px;max-width:620px}
.feature-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.feature-overview{position:relative;padding:40px;background:var(--tint);border-radius:var(--radius);overflow:hidden;min-height:380px}
.feature-overview h3{font-size:29px;max-width:350px}
.feature-overview p{max-width:335px;margin-top:16px;color:var(--text);opacity:.8}
.feature-overview .text-link{margin-top:26px}
.routing-visual{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin-top:38px;border-top:1px solid var(--line);padding-top:24px}
.routing-visual>div{font-size:13px;font-weight:600}
.routing-visual>div:last-child{display:grid;gap:8px}
.route-label{background:var(--surface);padding:7px 12px;border-radius:8px;display:flex;align-items:center;gap:8px}
.route-label svg{width:16px;height:16px;color:var(--blue-text)}
.routing-visual>svg{color:var(--blue-text)}
.feature-list{display:grid;gap:25px}
.feature-item{display:grid;grid-template-columns:38px 1fr;gap:18px;align-items:start}
.feature-item>svg{width:26px;height:26px;color:var(--blue-text);margin-top:5px}
.feature-item h3{font-size:18px;margin-bottom:7px}
.feature-item p{font-size:14px;line-height:1.9}
.start-section{padding:55px;background:var(--surface);border-radius:var(--radius);display:grid;grid-template-columns:.85fr 1.15fr;gap:65px}
.start-section .section-heading{margin-bottom:25px}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:27px;counter-reset:steps}
.steps li{display:grid;grid-template-columns:36px 1fr;gap:18px;counter-increment:steps}
.steps li::before{content:counter(steps);font-size:14px;color:var(--blue-text);width:34px;height:34px;display:grid;place-items:center;background:var(--tint);border-radius:50%;font-weight:600;font-variant-numeric:tabular-nums}
.steps h3{font-size:17px;margin-bottom:5px}
.steps p{font-size:13px}
.guide-home-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.featured-guide{background:var(--blue-surface);border-radius:var(--radius);padding:37px;display:flex;flex-direction:column;align-items:start;min-height:350px}
.featured-guide>svg{width:40px;height:40px;color:var(--blue-text);margin-bottom:29px}
.featured-guide h3{font-size:26px;line-height:1.55;max-width:350px}
.featured-guide p{margin-top:15px;font-size:14px;max-width:350px}
.featured-guide .text-link{margin-top:auto;padding-top:30px}
.article-list{display:grid;align-content:start}
.article-row{display:block;padding:21px 2px;border-bottom:1px solid var(--line)}
.article-row:first-child{padding-top:0}
.article-meta{font-size:11px;color:var(--muted);margin-bottom:7px;display:flex;gap:14px}
.article-row h3{font-size:18px;display:flex;align-items:start;justify-content:space-between;gap:18px}
.article-row h3 svg{width:19px;height:19px;margin-top:4px;color:var(--muted)}
.article-row p{font-size:13px;margin-top:8px}
.list-bottom-link{margin-top:22px}
.provider-banner{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;background:var(--soft);padding:48px;border-radius:var(--radius);align-items:center}
.provider-banner h2{font-size:32px;max-width:440px}
.provider-banner p{margin:17px 0 24px;max-width:480px;font-size:14px}
.provider-aside{border-left:1px solid var(--line);padding-left:40px;display:grid;gap:23px}
.provider-aside h3{font-size:15px;display:flex;align-items:center;gap:12px}
.provider-aside svg{color:var(--blue-text);width:20px;height:20px}
.provider-aside p{margin:7px 0 0;font-size:13px}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}
.faq-heading p{margin-top:16px;max-width:340px}
.faq-heading .text-link{margin-top:25px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{padding:21px 32px 21px 0;font-weight:600;position:relative;list-style:none;cursor:pointer;font-size:15px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'';position:absolute;right:4px;top:29px;width:8px;height:8px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(225deg);top:33px}
.faq-list details[open] summary{color:var(--blue-text)}
.faq-answer{padding:0 20px 24px 0;font-size:14px;line-height:1.95;color:var(--muted)}
.faq-answer a{color:var(--blue-text);text-decoration:underline}
.cta-section{padding:43px 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-section h2{font-size:26px}
.cta-section p{font-size:14px;margin-top:8px}
.site-footer{background:var(--soft);padding:54px 0 23px}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:12px;max-width:300px;margin-top:17px;line-height:1.9}
.footer-group h2{font-size:13px;letter-spacing:0;margin-bottom:16px}
.footer-group a{display:block;color:var(--muted);font-size:12px;margin-top:9px}
.footer-group a:hover{color:var(--blue-text)}
.footer-bottom{border-top:1px solid var(--line);margin-top:39px;padding-top:20px;display:flex;justify-content:space-between;gap:25px;color:var(--muted);font-size:11px}
.footer-bottom p{max-width:780px}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);padding-top:30px;flex-wrap:wrap}
.breadcrumb svg{width:13px;height:13px}
.page-intro{padding:35px 0 43px;max-width:860px}
.page-intro h1{font-size:clamp(33px,4vw,46px)}
.page-intro p{margin-top:20px;max-width:720px;line-height:1.95;font-size:16px}
.page-intro .meta{margin-top:18px;font-size:12px;display:flex;gap:18px;color:var(--muted)}
.page-main{padding-bottom:80px}
.notice{padding:22px 25px;background:var(--tint);border-radius:12px;font-size:13px;color:var(--muted);line-height:1.9}
.notice strong{color:var(--text)}
.notice a{color:var(--blue-text);text-decoration:underline}
.page-section{margin-top:56px}
.page-section>h2{font-size:29px;margin-bottom:17px}
.page-section>p{max-width:740px;margin-bottom:24px}
.filters{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:28px 0 30px}
.filter-button{padding:8px 18px;border-radius:999px;font-size:13px;min-height:44px;min-width:44px;color:var(--muted)}
.filter-button:hover{background:var(--soft);color:var(--text)}
.filter-button[aria-pressed=true]{background:var(--text);color:var(--bg)}
.search-field{display:flex;gap:12px;align-items:center;max-width:550px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:0 16px;min-height:52px}
.search-field svg{color:var(--muted);width:20px;height:20px}
.search-field input{border:0;outline:0;background:transparent;width:100%;font-size:14px;min-height:50px}
.search-field:focus-within{outline:2px solid var(--blue-text);outline-offset:2px}
.search-status{font-size:12px;color:var(--muted);margin:16px 0 22px}
.guides-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.guide-card{background:var(--surface);padding:31px;border-radius:var(--radius);display:flex;flex-direction:column;min-height:265px;transition:background .2s}
.guide-card:hover{background:var(--tint)}
.guide-card .article-meta{margin-bottom:15px}
.guide-card h2{font-size:22px;line-height:1.6}
.guide-card p{font-size:13px;margin-top:13px}
.guide-card .text-link{margin-top:auto;padding-top:20px}
.empty-search{padding:45px;background:var(--soft);border-radius:var(--radius);text-align:center}
.empty-search h2{font-size:24px;margin-bottom:14px}
.empty-search p{margin-bottom:22px}
.download-panel{background:var(--surface);border-radius:var(--radius);padding:38px}
.download-panel h2{font-size:26px;display:flex;align-items:center;gap:17px;margin-bottom:12px}
.download-panel h2 svg{width:32px;height:32px;color:var(--blue-text)}
.download-panel>.platform-description{max-width:760px;font-size:14px}
.download-choices{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:30px}
.download-choice{border-top:1px solid var(--line);padding-top:23px}
.download-choice h3{font-size:18px;margin-bottom:10px}
.download-choice p{font-size:13px;margin-bottom:18px}
.download-extra{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:28px;font-size:12px;color:var(--muted)}
.platform-panel + .platform-panel{margin-top:28px}
.platform-panel[hidden] + .platform-panel{margin-top:0}
.platform-tabs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.platform-tab{display:flex;align-items:center;gap:10px;padding:12px 23px;background:var(--soft);border-radius:8px;min-height:48px;font-size:14px}
.platform-tab svg{width:19px;height:19px}
.platform-tab[aria-pressed=true]{background:var(--blue);color:#f8faff}
.platform-tab:hover{background:var(--tint);color:var(--blue-text)}
.platform-tab[aria-pressed=true]:hover{background:#1948b8;color:#f8faff}
.reading-layout{display:grid;grid-template-columns:240px minmax(0,760px);gap:60px;align-items:start}
.toc{position:sticky;top:110px;align-self:start}
.toc h2{font-size:14px;margin-bottom:17px}
.toc a{display:block;padding:9px 0;font-size:13px;color:var(--muted)}
.toc a:hover{color:var(--blue-text)}
.toc .toc-back{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;color:var(--blue-text)}
.article-body{font-size:15px;line-height:2}
.article-body>p{margin-bottom:25px}
.article-body section{margin-top:43px}
.article-body section:first-child{margin-top:0}
.article-body h2{font-size:25px;margin-bottom:19px}
.article-body h3{font-size:19px;margin:26px 0 12px}
.article-body p{margin-bottom:18px;color:var(--muted)}
.article-body li{margin-bottom:10px;color:var(--muted)}
.article-body a{color:var(--blue-text);text-decoration:underline}
.article-body .notice{margin:30px 0}
.article-figure{margin:30px 0 32px}
.article-figure picture{display:block}
.article-figure .article-image{width:100%;height:auto;border-radius:12px;background:#f7f9fc}
.article-figure figcaption{margin-top:12px;color:var(--muted);font-size:12px;line-height:1.8}
.article-figure figcaption a{display:inline-flex;align-items:center;gap:4px}
.article-figure figcaption svg{width:14px;height:14px}
.source-list{padding:25px 0;border-top:1px solid var(--line);margin-top:38px;font-size:12px;color:var(--muted)}
.source-list h2{font-size:14px;margin-bottom:13px}
.source-list a{display:inline-flex;align-items:center;gap:8px;margin:4px 18px 4px 0}
.source-list svg{width:14px;height:14px}
.related-articles{margin-top:46px}
.related-articles>h2{font-size:23px;margin-bottom:25px}
.content-split{display:grid;grid-template-columns:1fr 1fr;gap:45px}
.content-block{padding:33px;background:var(--surface);border-radius:var(--radius)}
.content-block h2{font-size:24px;margin-bottom:18px}
.content-block h3{font-size:18px;margin-bottom:10px}
.content-block p{font-size:14px;margin-bottom:17px}
.content-block ul{font-size:14px;color:var(--muted)}
.content-block li{margin-bottom:8px}
.provider-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
.provider-card{padding:33px;background:var(--surface);border-radius:var(--radius);display:flex;flex-direction:column}
.provider-card h3{font-size:27px;display:flex;align-items:center;gap:14px;margin-bottom:13px}
.provider-card h3 svg{color:var(--blue-text);width:29px;height:29px}
.provider-card .provider-description{font-size:14px;line-height:1.95;min-height:80px}
.provider-facts{margin:25px 0;display:grid;grid-template-columns:100px 1fr;gap:14px 12px;font-size:12px}
.provider-facts dt{color:var(--muted)}
.provider-facts dd{margin:0;font-weight:500}
.provider-card .source-note{font-size:11px;line-height:1.9;margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.provider-card .source-note a{text-decoration:underline;color:var(--blue-text)}
.provider-card .provider-action{display:flex;align-items:center;gap:16px;margin-top:23px;flex-wrap:wrap}
.comparison-wrap{overflow-x:auto}
.comparison{border-collapse:collapse;width:100%;text-align:left;font-size:13px;min-width:640px}
.comparison th{background:var(--soft);padding:17px 19px;font-weight:600}
.comparison td{padding:21px 19px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted)}
.comparison td:first-child{font-weight:600;color:var(--text)}
.comparison caption{text-align:left;font-size:12px;margin-bottom:14px;color:var(--muted)}
.faq-page{max-width:880px}
.faq-page .faq-list summary{font-size:17px;padding-block:24px}
.faq-page .faq-list summary::after{top:34px}
.faq-page .faq-list details[open] summary::after{top:38px}
.features-detail{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center;margin-bottom:70px}
.features-detail img{border-radius:var(--radius);background:var(--hero-bg);padding:30px}
.features-detail h2{font-size:30px;margin-bottom:22px}
.features-detail p{font-size:15px;margin-bottom:20px}
.sitemap-group{margin-bottom:42px}
.sitemap-group h2{font-size:24px;margin-bottom:22px}
.sitemap-links{display:grid;grid-template-columns:1fr 1fr;gap:14px 40px}
.sitemap-links a{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;font-size:14px}
.sitemap-links svg{width:17px;height:17px;color:var(--blue-text)}
.error-page{text-align:center;padding:100px 0 120px}
.error-page>img{width:100px;height:100px;object-fit:contain;margin:0 auto 30px}
.error-page h1{font-size:42px;margin-bottom:20px}
.error-page p{margin-bottom:30px}
.resource-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.resource-item{padding:32px;background:var(--surface);border-radius:var(--radius)}
.resource-item h2{font-size:21px;display:flex;justify-content:space-between;margin-bottom:15px}
.resource-item p{font-size:14px;margin-bottom:20px}
.release-item{padding:34px 0;border-bottom:1px solid var(--line)}
.release-item h2{font-size:24px;margin-bottom:14px}
.release-item time{font-size:12px;color:var(--muted);display:block;margin-bottom:20px}
.release-item p{font-size:14px;max-width:760px;margin-bottom:18px}
.release-item ul{font-size:14px;color:var(--muted);max-width:780px;margin-bottom:25px}
.release-item li{margin-bottom:8px}
@media(min-width:1500px){.hero{padding-top:83px;padding-bottom:82px}.hero-art{min-height:405px}}
@media(max-width:1150px){.header-inner{gap:20px}.site-nav{gap:20px}.header-actions .button{display:none}.hero{gap:35px}.hero h1{font-size:50px}.feature-layout{gap:35px}.wrap{width:calc(100% - 64px)}.start-section{gap:45px;padding:40px}.reading-layout{gap:40px;grid-template-columns:200px minmax(0,1fr)}}
@media(max-width:900px){.site-nav{gap:18px}.site-nav a{font-size:13px}.brand-name{font-size:20px}.header-inner{gap:15px}.hero{gap:25px}.hero h1{font-size:44px}.hero-art{padding:20px 14px;min-height:295px}.hero-copy>p{font-size:14px}.platform-strip{grid-template-columns:1.2fr repeat(4,1fr);gap:10px}.platform-link{font-size:13px;gap:8px}.feature-overview{padding:30px}.feature-layout{gap:28px}.provider-banner{gap:35px;padding:35px}.provider-aside{padding-left:28px}.faq-layout{gap:35px}.reading-layout{grid-template-columns:180px minmax(0,1fr);gap:30px}.footer-grid{gap:25px;grid-template-columns:1.6fr 1fr 1fr 1fr}}
@media(max-width:767px){.wrap{width:calc(100% - 40px)}.header-inner{height:68px;justify-content:space-between}.brand img{width:32px;height:32px}.brand-name{font-size:19px}.brand-name small{font-size:9px}.header-actions{gap:9px}.icon-button{width:38px;height:38px}.menu-button{display:grid}.site-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:16px 20px 24px;background:var(--bg);border-bottom:1px solid var(--line);height:auto;box-shadow:var(--shadow-small)}.site-nav.is-open{display:grid;gap:0}.site-nav a{font-size:15px;padding:14px 10px;min-height:48px}.site-nav a[aria-current=page]::after{display:none}.site-nav a[aria-current=page]{background:var(--tint);border-radius:8px}.hero{padding:43px 0 40px;grid-template-columns:1fr;gap:35px}.hero h1{font-size:clamp(35px,9vw,49px);line-height:1.35}.hero-copy>p{font-size:15px;margin-top:20px;max-width:440px}.hero-actions{margin-top:26px;gap:12px}.hero-art{min-height:250px;padding:25px 18px}.hero-visual figcaption{font-size:10px}.platform-strip{grid-template-columns:repeat(4,1fr);gap:20px 8px;padding-block:25px}.platform-intro{grid-column:1/-1}.platform-intro p{display:inline;margin-left:12px}.platform-link{flex-direction:column;gap:9px;font-size:12px}.platform-link svg{width:23px;height:23px}.section{padding-block:57px}.section-heading{margin-bottom:27px}.section-heading>p{font-size:14px}.feature-layout{grid-template-columns:1fr;gap:34px}.feature-overview{min-height:340px;padding:30px}.feature-overview h3{font-size:26px}.feature-list{gap:24px}.feature-item{gap:15px;grid-template-columns:30px 1fr}.start-section{grid-template-columns:1fr;gap:32px;padding:30px 25px}.start-section h2{font-size:28px}.steps{gap:25px}.guide-home-layout{grid-template-columns:1fr;gap:34px}.featured-guide{padding:30px;min-height:300px}.featured-guide h3{font-size:24px}.featured-guide>svg{width:34px;height:34px;margin-bottom:22px}.article-row{padding:20px 0}.article-row h3{font-size:17px}.provider-banner{grid-template-columns:1fr;gap:28px;padding:30px 25px}.provider-banner h2{font-size:28px}.provider-aside{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:28px;gap:22px}.faq-layout{grid-template-columns:1fr;gap:28px}.faq-heading p{max-width:100%;font-size:14px}.faq-heading .text-link{margin-top:18px}.faq-list summary{font-size:14px}.cta-section{align-items:start;flex-direction:column;padding:34px 0;gap:22px}.cta-section h2{font-size:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px 25px}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:430px}.footer-bottom{flex-direction:column;gap:10px;font-size:10px}.site-footer{padding-top:38px}.breadcrumb{padding-top:25px;font-size:11px}.page-intro{padding:27px 0 33px}.page-intro h1{font-size:34px}.page-intro p{font-size:14px;margin-top:16px}.page-main{padding-bottom:55px}.notice{padding:20px;font-size:12px}.page-section{margin-top:40px}.page-section>h2{font-size:25px}.filters{gap:5px}.filter-button{padding-inline:14px;font-size:12px}.guides-grid{grid-template-columns:1fr;gap:16px}.guide-card{min-height:240px;padding:27px}.guide-card h2{font-size:21px}.search-field{min-height:50px}.download-panel{padding:27px 22px}.download-panel h2{font-size:23px}.download-choices{grid-template-columns:1fr;gap:25px}.platform-tabs{gap:8px}.platform-tab{padding:10px 14px;font-size:12px;gap:8px}.platform-tab svg{width:17px;height:17px}.download-extra{gap:13px}.reading-layout{grid-template-columns:1fr;gap:32px}.toc{position:static;padding:23px;background:var(--soft);border-radius:12px}.toc a{padding-block:6px}.toc .toc-back{display:none}.article-body{font-size:14px;line-height:2}.article-body h2{font-size:23px}.article-body section{margin-top:34px}.content-split{grid-template-columns:1fr;gap:24px}.content-block{padding:26px}.content-block h2{font-size:23px}.provider-grid{grid-template-columns:1fr;gap:22px}.provider-card{padding:27px}.provider-card h3{font-size:24px}.provider-card .provider-description{min-height:0}.provider-facts{grid-template-columns:85px 1fr}.features-detail{grid-template-columns:1fr;gap:30px;margin-bottom:48px}.features-detail h2{font-size:27px}.features-detail img{padding:20px}.sitemap-links{grid-template-columns:1fr;gap:5px}.resource-list{grid-template-columns:1fr;gap:20px}.resource-item{padding:26px}.error-page{padding:65px 0 80px}.error-page h1{font-size:33px}.faq-page .faq-list summary{font-size:15px}.footer-group:last-child{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.button.primary:hover,.text-link:hover svg{transform:none}}
@media(max-width:767px){.header-actions .icon-button{width:44px;height:44px}.search-field input{font-size:16px}.comparison-wrap{overscroll-behavior-x:contain}}
@media print{.site-header,.site-footer,.toc,.cta-section,.filters,.hero-actions,.platform-tabs{display:none}body{background:#fff;color:#172334}.wrap{width:100%}.reading-layout{display:block}.page-main{padding:0}a{text-decoration:underline}.faq-list details .faq-answer{display:block}}