:root{--ink:#10252a;--muted:#587078;--blue:#075b69;--aqua:#0f8a9d;--pale:#eaf7f7;--sand:#f8f5ee;--white:#fff;--border:#cfe1e3;--max:1180px;--shadow:0 18px 50px rgba(7,91,105,.12)}
*{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:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}.wrap{width:min(var(--max),calc(100% - 34px));margin:auto}
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.head-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:850;letter-spacing:-.03em}.brand-mark{width:36px;height:36px;border-radius:50% 50% 50% 12%;background:linear-gradient(145deg,var(--aqua),var(--blue));transform:rotate(45deg);display:inline-block}.brand-mark:after{content:"";display:block;width:11px;height:11px;background:white;border-radius:50%;margin:8px}.nav{display:flex;gap:18px;font-size:.92rem}.nav a{text-decoration:none;color:var(--ink);font-weight:650}
.hero{background:linear-gradient(145deg,#e9fafa,#f9fcfb 55%,#eef5ef);padding:72px 0 54px;border-bottom:1px solid var(--border)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:48px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:800;color:var(--aqua)}
h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.01;letter-spacing:-.055em;margin:.35rem 0 1rem}h2{font-size:clamp(1.55rem,2.5vw,2.2rem);line-height:1.15;letter-spacing:-.035em;margin-top:2.5rem}h3{font-size:1.15rem;line-height:1.3;margin-top:1.8rem}.lede{font-size:1.18rem;color:#2c4c53;max-width:760px}
.hero-card,.card,.cta,.notice{border:1px solid var(--border);border-radius:22px;background:#fff;box-shadow:var(--shadow)}.hero-card{padding:25px}.metric{font-size:2rem;font-weight:850;color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:white!important;text-decoration:none!important;font-weight:800;border-radius:12px;padding:14px 18px;border:0;cursor:pointer}.btn:hover{background:#064b56}.btn.secondary{background:white;color:var(--blue)!important;border:1px solid var(--blue)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:48px;align-items:start;padding:46px 0}.article{max-width:790px}.article p{margin:1rem 0}.article ul,.article ol{padding-left:1.3rem}.article li{margin:.45rem 0}.sidebar{position:sticky;top:96px}.side-cta{padding:20px;border-radius:20px;background:linear-gradient(160deg,#0a6675,#073f48);color:white;box-shadow:var(--shadow)}.side-cta h3{margin-top:0;font-size:1.35rem}.side-cta p{color:#dff4f6}.side-cta .btn{width:100%;background:white;color:#075b69!important}.disclosure{font-size:.78rem;opacity:.86;margin-top:10px}
.toc{padding:18px;border:1px solid var(--border);border-radius:16px;background:#fbfefe;margin:22px 0}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;margin:4px 0;text-decoration:none}.cta{padding:22px;margin:28px 0;background:linear-gradient(145deg,#effbfa,#fff)}.cta h3{margin-top:0}.callout{padding:18px 20px;border-radius:16px;background:var(--sand);border:1px solid #e9e0cc}.evidence{padding:18px 20px;border-radius:16px;background:#eef8ff;border:1px solid #cddfee}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:20px;box-shadow:none}.card h3{margin-top:0}.card a{text-decoration:none;font-weight:800}.category{padding:55px 0}.breadcrumbs{font-size:.82rem;color:var(--muted);padding-top:22px}.breadcrumbs a{color:var(--muted)}
footer{background:#0f262b;color:#d5e6e8;padding:44px 0;margin-top:50px}footer a{color:#d5e6e8}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.popup{position:fixed;inset:0;background:rgba(5,23,28,.76);display:none;align-items:center;justify-content:center;z-index:100;padding:22px}.popup.show{display:flex}.popup-card{width:min(800px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:28px;box-shadow:0 30px 100px rgba(0,0,0,.35);display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.popup-art{min-height:390px;background:radial-gradient(circle at 35% 20%,#7ce4e6,transparent 22%),linear-gradient(155deg,#0d7f90,#073b44);position:relative;display:grid;place-items:center}.drop{width:150px;height:150px;border-radius:55% 55% 60% 15%;background:rgba(255,255,255,.88);transform:rotate(45deg);box-shadow:0 15px 60px rgba(0,0,0,.16)}.popup-copy{padding:30px}.popup-copy h2{margin-top:0}.close{float:right;border:0;background:#eef5f5;border-radius:50%;width:36px;height:36px;font-size:20px;cursor:pointer}.popup-copy .btn{width:100%}.small{font-size:.86rem;color:var(--muted)}.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--pale);font-size:.78rem;font-weight:700;color:var(--blue);margin-right:6px}.mobile-aff{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:45}.mobile-aff .btn{width:100%;box-shadow:0 10px 30px rgba(0,0,0,.2)}
@media(max-width:900px){.nav{display:none}.hero-grid,.content-grid,.popup-card,.footer-grid{grid-template-columns:1fr}.sidebar{position:static}.cards{grid-template-columns:1fr 1fr}.popup-art{min-height:170px}.mobile-aff{display:block}body{padding-bottom:72px}}@media(max-width:620px){.wrap{width:min(100% - 24px,var(--max))}.hero{padding:48px 0 36px}.cards{grid-template-columns:1fr}h1{font-size:2.55rem}.hero-actions .btn{width:100%}}

.header-cta{white-space:nowrap;padding:10px 14px;font-size:.9rem}
@media(max-width:900px){.header-cta{display:inline-flex}.head-inner{gap:10px}.brand{font-size:.95rem}}
@media(max-width:520px){.header-cta{padding:9px 11px;font-size:.82rem}.brand span:last-child{max-width:135px;line-height:1.05}}