:root{--ink:#17324d;--ink2:#294a66;--muted:#61798e;--blue:#4f87bd;--sky:#eaf5fb;--pale:#f5f9fc;--line:#dbe6ee;--cream:#fbfcfd;--green:#2f755f;--amber:#fff8e8;--white:#fff;--max:1160px;--shadow:0 16px 44px rgba(27,67,99,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.68}
a{color:#245f93}img{max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}
.notice{font-size:.84rem;text-align:center;background:#f5f8fb;padding:7px 14px;border-bottom:1px solid var(--line);color:#526b80}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(9px)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:22px}.brand{font-weight:900;text-decoration:none;color:var(--ink);letter-spacing:-.035em;font-size:1.25rem;white-space:nowrap}.brand span{color:var(--blue)}
.navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.navlinks a{text-decoration:none;color:var(--ink);font-size:.92rem;font-weight:700}.navlinks .header-cta{color:#fff;background:var(--green);padding:10px 16px;border-radius:999px}
.hero{background:linear-gradient(135deg,#f9fcff,#e9f5fb);padding:72px 0 58px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.eyebrow{font-weight:850;color:var(--blue);text-transform:uppercase;letter-spacing:.13em;font-size:.76rem}h1{font-size:clamp(2.35rem,5vw,4.5rem);line-height:1.03;letter-spacing:-.055em;margin:.25em 0}h2{font-size:clamp(1.58rem,3vw,2.3rem);line-height:1.16;letter-spacing:-.035em;margin-top:1.65em}h3{line-height:1.25;letter-spacing:-.015em}.lead{font-size:1.15rem;color:#486278;max-width:760px}
.card{background:white;border:1px solid var(--line);border-radius:22px;padding:25px;box-shadow:var(--shadow)}.product-art{min-height:320px;background:radial-gradient(circle at 45% 35%,#f8fdff,#d9ecf8 55%,#bfd9ec);border-radius:28px;display:grid;place-items:center;overflow:hidden}.pillow{width:78%;aspect-ratio:1.6;background:linear-gradient(145deg,#c8e6f8,#77add7);border-radius:48% 48% 38% 38%;box-shadow:inset 0 -18px 40px rgba(43,96,140,.18),0 20px 40px rgba(40,85,120,.15);position:relative}.pillow:after{content:"";position:absolute;inset:24% 31%;border-radius:50%;background:rgba(234,247,255,.72);box-shadow:inset 0 8px 20px rgba(64,120,160,.12)}
.btn{display:inline-block;padding:14px 20px;border-radius:999px;background:var(--ink);color:#fff;text-decoration:none;font-weight:850;margin:6px 8px 6px 0}.btn.alt{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.buy{background:var(--green)}.btn.block{display:block;text-align:center;margin:8px 0}
section{padding:54px 0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.tag{display:inline-block;background:var(--sky);padding:5px 10px;border-radius:999px;font-size:.78rem;font-weight:750;margin-right:5px}
.content-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:44px;align-items:start;padding:48px 0}.article{min-width:0}.article h1{font-size:clamp(2.3rem,5vw,3.8rem)}.article p,.article li{font-size:1.035rem}.sidebar{position:sticky;top:102px}.sidebox{border:1px solid var(--line);background:var(--pale);border-radius:18px;padding:20px;margin-bottom:16px}.sidebox h3{margin-top:0}.sidebox ul{padding-left:20px;margin-bottom:0}.sidebox li{margin:7px 0}
.callout{border-left:4px solid var(--blue);background:var(--sky);padding:18px 20px;border-radius:0 12px 12px 0;margin:25px 0}.affiliate{background:var(--amber);border:1px solid #efdfb6;padding:14px 18px;border-radius:12px;font-size:.92rem}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.fact{padding:16px;background:var(--cream);border:1px solid var(--line);border-radius:14px}.fact b{display:block}
table{border-collapse:collapse;width:100%;margin:24px 0;font-size:.96rem}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--sky)}
.breadcrumbs{font-size:.86rem;color:var(--muted);margin-bottom:20px}.breadcrumbs a{color:var(--muted)}.source-note{font-size:.86rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:34px}
footer{background:#10283d;color:#dce7ef;padding:46px 0;margin-top:50px}footer a{color:white}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.small{font-size:.86rem;color:var(--muted)}footer .small{color:#b8c9d6}
@media(max-width:900px){.content-layout{grid-template-columns:1fr}.sidebar{position:static}.hero-grid,.grid3,.grid2,.facts,.foot{grid-template-columns:1fr}.nav{align-items:flex-start;padding:14px 0;flex-direction:column}.navlinks{gap:10px 14px}.hero{padding-top:46px}header{position:relative}.header-cta{display:inline-block}}