/* Account Radar: product-first layout, native CSS, existing brand. */
:root{color-scheme:light;--paper:#fcfcfa;--surface:#f0f1ee;--ink:#202723;--muted:#606862;--line:#d9ddd7;--blue:#2563eb;--blue-hover:#1d4ed8;--focus:#2563eb;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none;touch-action:manipulation}a:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:5px}a:hover{color:var(--blue)}.shell{width:min(1160px,calc(100% - 96px));margin-inline:auto}.masthead{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.logo{display:block;object-fit:contain;width:155px;height:auto}.masthead nav{display:flex;align-items:center;gap:32px;font-size:14px}.masthead nav a{min-height:44px;display:inline-flex;align-items:center}.login{gap:22px;padding-left:24px;border-left:1px solid var(--line);font-weight:600}.introduction{padding-top:64px}.category{font-size:13px;letter-spacing:.05em;color:var(--muted);margin:0 0 24px}.intro-grid{display:grid;grid-template-columns:1.3fr 1fr;align-items:end;gap:72px;margin-bottom:52px}h1{font-size:clamp(40px,4.3vw,60px);line-height:1.3;font-weight:600;letter-spacing:-.045em;margin:0}h2{font-size:34px;font-weight:550;line-height:1.5;letter-spacing:-.025em;margin:0}h3{font-size:20px;font-weight:550;line-height:1.5;margin:0}.intro-description p{font-size:16px;line-height:1.9;color:var(--muted);margin:0 0 24px}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;min-height:48px;padding:10px 20px;border-radius:4px;background:var(--blue);color:var(--white);font-size:14px;font-weight:600;transition:background .18s}.primary:hover{background:var(--blue-hover);color:var(--white)}.primary:active{background:var(--blue-hover)}.product{margin:0}.product-top{display:flex;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-bottom:0;padding:12px 20px;font-size:12px;color:var(--muted);border-radius:5px 5px 0 0}.product-top span:first-child{color:var(--ink);font-weight:600}.product picture{display:block}.product img{width:100%;height:auto;display:block;border:1px solid var(--line);background:var(--white)}figcaption{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px;padding-top:12px}figcaption a{display:inline-flex;align-items:center;min-height:44px;gap:16px}.capabilities{padding-block:96px;display:grid;grid-template-columns:.9fr 1.3fr;gap:80px}.section-title .category{margin-bottom:20px}.feature-list article{display:grid;grid-template-columns:32px 1fr;column-gap:16px;border-top:1px solid var(--line);padding-block:24px}.index{font-size:12px;color:var(--muted);padding-top:5px;font-variant-numeric:tabular-nums}.feature-list p{grid-column:2;color:var(--muted);font-size:15px;line-height:1.9;margin:10px 0 0}.usage{padding-block:80px;background:var(--surface)}.usage-grid{display:grid;grid-template-columns:.9fr 1.3fr;gap:80px}.usage h2{font-size:40px}.usage-lead{font-size:20px;line-height:1.8;margin:0 0 32px}.usage ol{list-style:none;margin:0;padding:0;counter-reset:steps}.usage li{counter-increment:steps;position:relative;padding-left:32px;margin-bottom:24px}.usage li:before{content:counter(steps)'.';position:absolute;left:0;color:var(--muted);font-size:14px}.usage strong{font-size:16px;font-weight:600}.usage li p{font-size:15px;color:var(--muted);margin:4px 0 0}.note{color:var(--muted);font-size:13px;line-height:1.8;border-top:1px solid var(--line);padding-top:20px;margin:32px 0 0}.questions{padding-block:80px;display:grid;grid-template-columns:.9fr 1.3fr;gap:80px}.questions h2{font-size:24px}.questions details{border-top:1px solid var(--line)}.questions summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;font-size:16px;font-weight:550;padding-block:16px}.questions summary::-webkit-details-marker{display:none}.questions summary:after{content:'+';font-weight:400;color:var(--muted);font-size:22px}.questions details[open] summary:after{content:'−'}.questions details p{color:var(--muted);font-size:15px;margin:0 0 24px}.endnote{border-top:1px solid var(--line);padding-block:40px 64px;display:flex;justify-content:space-between;align-items:center;gap:24px}.endnote p{font-size:14px;color:var(--muted);margin:0}.endnote strong{font-size:24px;font-weight:500;color:var(--ink);display:block;margin-top:8px}.footer{padding-block:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:12px}.domain{margin-left:12px}.footer a{min-height:44px;display:inline-flex;align-items:center}.skip{position:fixed;top:-80px;left:16px;padding:12px 20px;background:var(--white);z-index:10}.skip:focus{top:16px}
@media(max-width:1023px){.shell{width:calc(100% - 64px)}.intro-grid{gap:40px}.intro-description p{font-size:15px}.capabilities,.usage-grid,.questions{gap:40px;grid-template-columns:1fr 1.3fr}.capabilities,.questions{padding-block:64px}h2{font-size:28px}.masthead{height:88px}.introduction{padding-top:48px}}
@media(max-width:767px){.shell{width:calc(100% - 40px)}.masthead{height:80px}.logo{width:132px}.masthead nav{gap:16px;font-size:13px}.masthead nav>a:not(.login){display:none}.login{border-left:0;padding-left:0;gap:12px}.introduction{padding-top:36px}.category{font-size:12px;margin-bottom:16px}.intro-grid{grid-template-columns:1fr;gap:24px;margin-bottom:32px}h1{font-size:clamp(32px,8.5vw,46px);line-height:1.35;letter-spacing:-.03em}.intro-description p{font-size:16px;line-height:1.8;margin-bottom:20px}.desktop-break{display:none}.primary{min-height:48px;font-size:14px}.product-top{padding:10px 12px;font-size:11px}.product-top span:last-child{font-size:10px}.product img{aspect-ratio:390/844;object-fit:contain}figcaption{font-size:11px;gap:8px}figcaption a{gap:8px}.capabilities,.usage-grid,.questions{grid-template-columns:1fr;gap:28px}.capabilities{padding-block:56px}.section-title h2{font-size:28px}.feature-list article{padding-block:20px}.feature-list p{font-size:16px}.feature-list h3{font-size:19px}.usage{padding-block:48px}.usage h2{font-size:30px}.usage-lead{font-size:18px;margin-bottom:28px}.usage li p{font-size:16px}.note{font-size:13px}.questions{padding-block:48px;gap:24px}.questions details p{font-size:16px}.questions summary{min-height:64px}.endnote{align-items:flex-start;flex-direction:column;padding-block:28px 48px}.endnote strong{font-size:23px}.footer{flex-wrap:wrap;gap:0 16px;padding-block:16px}.footer>span:nth-child(2){order:3;width:100%;font-size:11px}.footer>a{margin-left:auto}.domain{margin-left:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}