:root{--c-bg:#ffffff;--c-soft:#f3f7f8;--c-soft2:#e8f1f2;--c-ink:#14232b;--c-muted:#52646d;--c-line:#dbe5e8;--c-pri:#0b6e75;--c-pri-d:#08545a;--c-acc:#e8a33d;--radius:14px;--w:1160px;--sh:0 10px 30px rgba(12,40,48,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.7;color:var(--c-ink);background:var(--c-bg)}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--c-pri);text-underline-offset:3px}a:hover{color:var(--c-pri-d)}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;margin:0 0 .6em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem)}h2{font-size:clamp(1.45rem,2.8vw,2rem);margin-top:1.8em}h3{font-size:1.2rem;margin-top:1.4em}
p,ul,ol{margin:0 0 1.1em}li{margin-bottom:.35em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:8px 12px;z-index:100}.skip:focus{left:8px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--c-line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-ink);font-weight:700;line-height:1.15}
.logo small{display:block;white-space:nowrap;font-weight:500;color:var(--c-muted);font-size:.78rem}
.logo svg{width:38px;height:38px;flex:none}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.nav a{display:block;white-space:nowrap;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--c-ink);font-size:.95rem;font-weight:500}
.nav a:hover,.nav a[aria-current=page]{background:var(--c-soft2);color:var(--c-pri-d)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;background:var(--c-pri);color:#fff!important;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--c-pri-d)}
.btn.ghost{background:transparent;color:var(--c-pri)!important;box-shadow:inset 0 0 0 2px var(--c-pri)}
.btn.ghost:hover{background:var(--c-soft2)}
.nav .btn{padding:9px 16px;margin-left:6px}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--c-ink)}
@media(max-width:1180px){
 .menu-btn{display:block}
 .nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--c-line);display:none;box-shadow:var(--sh)}
 .nav.open{display:block}
 .nav ul{flex-direction:column;align-items:stretch;padding:8px 16px 16px}
 .nav .btn{margin:8px 0 0;justify-content:center}
}
/* hero */
.hero{background:linear-gradient(180deg,var(--c-soft) 0%,#fff 100%);padding:56px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero p.lead{font-size:1.15rem;color:var(--c-muted)}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--c-pri);margin-bottom:10px}
.hero-art{background:#fff;border-radius:24px;box-shadow:var(--sh);padding:24px}
.hero-photo{padding:0;overflow:hidden;background:#0d2a33}
.hero-photo img{display:block;width:100%;height:auto;aspect-ratio:1120/718;object-fit:cover}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:420px}}
/* page head */
.phead{background:var(--c-soft);padding:28px 0 30px;border-bottom:1px solid var(--c-line)}
.phead p{color:var(--c-muted);max-width:760px;margin:0}
.crumbs{font-size:.88rem;color:var(--c-muted);margin-bottom:10px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li:before{content:"›";margin-right:6px;color:#9aa9af}
/* layout */
main{display:block}
.sec{padding:48px 0}.sec.alt{background:var(--c-soft)}
.content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:40px 16px 56px}
.content article>h2:first-child{margin-top:0}
.aside{position:relative}
.aside .box{position:sticky;top:92px;background:var(--c-soft);border:1px solid var(--c-line);border-radius:var(--radius);padding:22px}
.aside h2{font-size:1.1rem;margin:0 0 .6em}
.aside ul{list-style:none;padding:0;margin:0 0 16px}.aside li{margin:0}.aside li a{display:block;padding:6px 0;border-bottom:1px dashed var(--c-line);text-decoration:none;font-size:.95rem}
@media(max-width:900px){.content{grid-template-columns:1fr}.aside .box{position:static}}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:22px}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
a.card{display:block;text-decoration:none;color:inherit;transition:box-shadow .2s,transform .2s}
a.card:hover{box-shadow:var(--sh);transform:translateY(-2px)}
a.card .more{color:var(--c-pri);font-weight:600;font-size:.95rem}
.ico{width:44px;height:44px;border-radius:12px;background:var(--c-soft2);display:grid;place-items:center;margin-bottom:12px;color:var(--c-pri)}
.ico svg{width:24px;height:24px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 18px 56px;margin:0}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--c-pri);color:#fff;font-weight:700;display:grid;place-items:center}
.steps li strong{display:block;font-size:1.05rem}
.note{background:#fff8ec;border-left:4px solid var(--c-acc);padding:14px 18px;border-radius:8px;font-size:.95rem}
.info{background:var(--c-soft2);border-left:4px solid var(--c-pri);padding:14px 18px;border-radius:8px}
table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.95rem}
.tbl{overflow-x:auto}
th,td{padding:11px 12px;border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top}
th{background:var(--c-soft);font-weight:600}
/* faq */
.faq details{border:1px solid var(--c-line);border-radius:12px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:600;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:18px;top:12px;font-size:1.4rem;color:var(--c-pri)}
.faq details[open] summary:after{content:"–"}
.faq details>div{padding:0 18px 14px}
.faq h3{font-size:1rem;margin:0;display:inline}
/* meta */
.meta{font-size:.85rem;color:var(--c-muted);border-top:1px solid var(--c-line);margin-top:32px;padding-top:14px}
/* cta band */
.band{background:var(--c-pri);color:#fff;border-radius:20px;padding:34px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.band h2{margin:0 0 6px;color:#fff;font-size:1.5rem}.band p{margin:0;opacity:.9}
.band .btn{background:#fff;color:var(--c-pri-d)!important}.band .btn:hover{background:var(--c-soft2)}
/* footer */
.ftr{background:#0f2329;color:#c9d6da;padding:48px 0 24px;font-size:.95rem;margin-top:48px}
.ftr a{color:#e6f0f2;text-decoration:none}.ftr a:hover{text-decoration:underline}
.ftr .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.ftr h2{color:#fff;font-size:1rem;margin:0 0 12px}
.ftr ul{list-style:none;padding:0;margin:0}.ftr li{margin-bottom:6px}
.ftr .legal{border-top:1px solid #23404a;margin-top:32px;padding-top:18px;font-size:.82rem;color:#93a8af}
.ftr address{font-style:normal}
@media(max-width:800px){.ftr .cols{grid-template-columns:1fr}}
.callbar{display:none}
@media(max-width:700px){.callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--c-line);padding:8px 12px;gap:8px}.callbar a{flex:1;justify-content:center}body{padding-bottom:64px}}
.map{border:0;width:100%;height:360px;border-radius:var(--radius);background:var(--c-soft)}
.toc{background:var(--c-soft);border-radius:12px;padding:16px 20px;margin-bottom:24px}
.toc strong{display:block;margin-bottom:6px}.toc ol{margin:0;padding-left:20px}