:root{
  --ink:#061936;--ink2:#18304d;--text:#334760;--muted:#64748b;
  --blue:#073bff;--blue2:#006dff;--cyan:#08c7ff;--ice:#f4faff;
  --white:#fff;--line:#dce8f4;--green:#168a4b;--shadow:0 20px 60px rgba(7,45,105,.12);
  --radius:22px;--max:1180px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#f7fbff,#eef7ff 52%,#f9fcff);color:var(--text);line-height:1.72;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}
.container{width:min(100% - 34px,var(--max));margin:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;z-index:999;background:#fff;padding:10px 14px;border-radius:10px}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;color:#fff;font-weight:900;background:radial-gradient(circle at 28% 22%,rgba(255,255,255,.7),transparent 30%),linear-gradient(135deg,var(--cyan),var(--blue) 62%,#03183d);box-shadow:0 14px 34px rgba(7,59,255,.25)}
.brand-title{display:block;color:var(--ink);font-size:27px;font-weight:900;line-height:1}.brand-title span{color:var(--blue2)}.brand-sub{display:block;margin-top:6px;font-size:11px;font-weight:900;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.nav a{padding:9px 11px;border-radius:999px;color:#31465f;font-size:14px;font-weight:900}.nav a:hover,.nav a:focus{background:#edf7ff;color:var(--blue)}
.nav .cta{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff}
.hero{position:relative;overflow:hidden;color:#fff;padding:54px 0 42px;background:linear-gradient(135deg,rgba(2,18,46,.98),rgba(3,61,130,.94) 58%,rgba(7,59,255,.92)),radial-gradient(circle at 82% 16%,rgba(8,199,255,.35),transparent 30%)}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(#000,transparent);pointer-events:none}
.hero-inner{position:relative;z-index:1}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;font-weight:800;color:#cfe8ff;margin-bottom:17px}.breadcrumbs a{color:#9beaff}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);padding:7px 11px;border-radius:999px;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.8px;margin-bottom:15px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:#40d17a;box-shadow:0 0 0 5px rgba(64,209,122,.18)}
.hero h1{font-size:clamp(35px,5.2vw,64px);line-height:1.02;letter-spacing:-1.7px;max-width:960px}.hero p{max-width:860px;margin-top:17px;color:#e3f3ff;font-size:18px}.meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.pill{border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}
main{padding:42px 0}.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cover img{width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover}.body{padding:34px}
.body h2{color:var(--ink);font-size:clamp(25px,3vw,35px);line-height:1.14;letter-spacing:-.5px;margin:31px 0 12px}.body h2:first-child{margin-top:0}.body p{font-size:17px;margin-bottom:17px;color:#3f536c}.body strong{color:var(--ink)}
.body a{color:var(--blue2);font-weight:900;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.callout{margin:30px 0 4px;padding:24px;border:1px solid #cfe5fa;border-radius:18px;background:radial-gradient(circle at top right,rgba(8,199,255,.15),transparent 34%),linear-gradient(180deg,#f6fbff,#fff)}
.callout h2{margin:0 0 10px}.callout .button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;margin-top:6px;padding:0 17px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;text-decoration:none}
.faq{margin-top:34px;padding-top:10px;border-top:1px solid var(--line)}details{border:1px solid var(--line);border-radius:14px;background:#fbfdff;margin:10px 0;padding:0 16px}summary{cursor:pointer;color:var(--ink);font-weight:900;padding:15px 0}details p{padding:0 0 15px;margin:0}
.sidebar{position:sticky;top:94px;display:grid;gap:18px}.side{background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px;box-shadow:0 12px 34px rgba(7,45,105,.08)}.side h2{color:var(--ink);font-size:20px;line-height:1.2;margin-bottom:11px}.side p{font-size:14px;color:#4d6078;margin-bottom:12px}.side-links{display:grid}.side-links a{padding:10px 0;border-bottom:1px solid var(--line);font-weight:900;color:#1e3b5d}.side-links a:last-child{border-bottom:0}.side-links a:hover{color:var(--blue2)}.tags{display:flex;flex-wrap:wrap;gap:7px}.tag{padding:6px 9px;border:1px solid #d5e9fb;border-radius:999px;background:#f1f8ff;color:#2e5f91;font-size:12px;font-weight:800}
.searchbox{display:grid;grid-template-columns:1fr auto;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff}.searchbox input{min-width:0;border:0;outline:0;padding:0 13px;height:48px}.searchbox button{border:0;padding:0 14px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:900;cursor:pointer}
.related{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 12px 34px rgba(7,45,105,.08)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:18px}.section-head h2{color:var(--ink);font-size:clamp(26px,3vw,38px);line-height:1.1}.section-head a{color:var(--blue);font-weight:900}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{border:1px solid var(--line);border-radius:16px;background:#f9fcff;overflow:hidden}.card img{aspect-ratio:1200/630;object-fit:cover}.card-copy{padding:16px}.card h3{font-size:18px;line-height:1.25;color:var(--ink)}.card p{margin-top:8px;font-size:14px;color:#53657b}.card .read{display:inline-flex;margin-top:12px;color:var(--blue);font-weight:900}
.hub-intro,.hub-grid-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;padding:29px;box-shadow:var(--shadow);margin-bottom:28px}.hub-intro h2{color:var(--ink);font-size:clamp(28px,4vw,44px)}.hub-intro p{margin-top:12px;font-size:17px}.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.footer{margin-top:42px;background:linear-gradient(135deg,#02132e,#031a3a);color:#d5eaff;padding:44px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:25px}.footer h2,.footer h3{color:#fff;margin-bottom:10px}.footer a{display:block;padding:5px 0;color:#d5eaff}.footer a:hover{color:#8eeaff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;color:#a8c3de;font-size:13px}
.notice{font-size:13px;color:#677b91;border-top:1px solid var(--line);margin-top:28px;padding-top:18px}
@media(max-width:920px){.layout{grid-template-columns:1fr}.sidebar{position:static}.cards,.hub-grid{grid-template-columns:repeat(2,1fr)}.nav a:not(.cta){display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.container{width:min(100% - 22px,var(--max))}.header-row{min-height:68px}.brand-mark{width:44px;height:44px}.brand-title{font-size:22px}.brand-sub{display:none}.hero{padding:38px 0 32px}.hero h1{letter-spacing:-1px}.body{padding:23px}.cards,.hub-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.searchbox{grid-template-columns:1fr}.searchbox button{min-height:44px}.section-head{align-items:start;flex-direction:column}}

/* 2026-07-14 update: replace card layouts with list layouts and improve image display */
.cover,.cover picture{display:block;background:linear-gradient(180deg,#f7fbff,#edf6ff)}
.cover img{width:100%!important;max-height:430px;aspect-ratio:1200/630!important;object-fit:contain!important;background:linear-gradient(180deg,#f7fbff,#edf6ff)!important;padding:16px!important}
.cards,.hub-grid{display:grid!important;grid-template-columns:1fr!important;gap:16px!important}
.card{display:grid!important;grid-template-columns:240px minmax(0,1fr)!important;align-items:stretch!important;border:1px solid var(--line)!important;border-radius:16px!important;background:#fff!important;overflow:hidden!important}
.card img{width:100%!important;height:100%!important;max-height:190px!important;aspect-ratio:1200/630!important;object-fit:contain!important;background:linear-gradient(180deg,#f7fbff,#edf6ff)!important;padding:12px!important}
.card-copy{padding:18px 20px!important}
.card h3{font-size:22px!important}
.card p{font-size:15px!important}
.related,.hub-grid-wrap{padding:22px!important}
@media(max-width:620px){
  .card{grid-template-columns:1fr!important}
  .card img{max-height:240px!important}
}


/* Flat editorial revision: no post cards, panels, shadows, or rounded containers. */
main{padding:42px 0}
.layout{grid-template-columns:minmax(0,1fr) 300px;gap:42px}
.article{background:transparent;border:0;border-radius:0;overflow:visible;box-shadow:none}
.cover{border-bottom:1px solid var(--line);padding-bottom:28px;background:transparent}
.cover picture{display:block;background:transparent}
.cover img{width:100%;height:auto;max-height:none;aspect-ratio:1200/630;object-fit:contain;background:#eef6ff;padding:0;border-radius:0}
.body{padding:30px 0 0}
.sidebar{position:sticky;top:94px;display:block}
.side{background:transparent;border:0;border-radius:0;padding:20px 0;box-shadow:none;border-bottom:1px solid var(--line)}
.side:first-child{padding-top:0}
.related{margin-top:44px;background:transparent;border:0;border-radius:0;padding:30px 0 0;box-shadow:none;border-top:2px solid var(--ink)}
.related-list,.article-list{display:block;border-top:1px solid var(--line)}
.related-item{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:center;padding:22px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;overflow:visible}
.related-item>a:first-child{display:block}
.related-item img{width:100%;height:auto;max-height:none;aspect-ratio:1200/630;object-fit:contain;background:#eef6ff;padding:0;border-radius:0}
.related-copy{padding:0}
.related-item h3{font-size:23px;line-height:1.22;color:var(--ink)}
.related-item p{margin-top:9px;font-size:15px;color:#53657b}
.related-item .read{display:inline-flex;margin-top:11px;color:var(--blue);font-weight:900}
.hub-intro,.article-list-wrap{background:transparent;border:0;border-radius:0;padding:0;box-shadow:none;margin-bottom:34px}
.hub-intro{padding-bottom:28px;border-bottom:2px solid var(--ink)}
.article-list-wrap{margin-bottom:28px}
@media(max-width:920px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;border-top:2px solid var(--ink);padding-top:10px}
}
@media(max-width:620px){
  .body{padding-top:24px}
  .related-item{grid-template-columns:1fr;gap:15px}
  .related-item h3{font-size:21px}
}