:root{--navy:#0b2d58;--red:#e51b2b;--green:#15b85f;--blue:#1e99d6;--yellow:#f5d229;--bg:#f7fbff;--line:#e6edf5;--ink:#101828;--muted:#667085;--shadow:0 18px 42px rgba(11,45,88,.14)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(#fff,var(--bg));color:var(--ink);line-height:1.55}.topbar{background:var(--navy);color:#fff;font-size:14px}.topbar-inner{max-width:1180px;margin:auto;padding:8px 18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.header{background:#fff;box-shadow:0 5px 18px #0001;position:sticky;top:0;z-index:10}.header-inner{max-width:1180px;margin:auto;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo img{width:220px;max-height:82px;object-fit:contain}.nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.nav a{text-decoration:none;color:var(--navy);font-weight:900;font-size:14px;padding:10px 12px;border-radius:999px}.nav a:hover{background:#eef6ff}.btn{display:inline-block;text-decoration:none;border:0;border-radius:14px;padding:13px 17px;font-weight:900;cursor:pointer}.btn-red{background:linear-gradient(135deg,#ff2637,var(--red));color:#fff}.btn-green{background:linear-gradient(135deg,#18c96b,#0da84f);color:#fff}.btn-blue{background:var(--navy);color:#fff}.hero{background:linear-gradient(135deg,rgba(11,45,88,.96),rgba(10,80,130,.88));color:#fff}.hero-inner{max-width:1180px;margin:auto;padding:64px 18px}.kicker{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:8px 13px;font-weight:900}.hero h1{font-size:48px;line-height:1.05;margin:16px 0 12px}.hero h1 strong{color:var(--yellow)}.hero p{font-size:19px;max-width:820px}.wrap{max-width:1180px;margin:auto;padding:28px 18px}.grid{display:grid;grid-template-columns:2fr .8fr;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.post-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 10px 26px rgba(11,45,88,.08)}.post-card h2,.post-card h3{margin:0 0 10px;color:var(--navy)}.post-card p{color:var(--muted)}.post-card a{color:var(--red);font-weight:900;text-decoration:none}h2{color:var(--navy);font-size:30px;margin:0 0 14px}h3{color:var(--navy)}.faq details{border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0;background:#fbfdff}.faq summary{font-weight:900;color:var(--navy);cursor:pointer}.toc a{display:block;padding:9px 0;color:var(--navy);font-weight:800;text-decoration:none;border-bottom:1px solid var(--line)}.article h2{margin-top:28px}.article ul{padding-left:20px}.breadcrumb{font-size:13px;margin-bottom:16px}.breadcrumb a{color:#fff}.footer{background:#0d1726;color:#d9e6f2;text-align:center;padding:28px 18px;margin-top:25px}.float-wa{position:fixed;right:18px;bottom:18px;background:#21bf63;color:#fff;text-decoration:none;width:62px;height:62px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 16px 34px rgba(21,184,95,.42)}
@media(max-width:850px){.topbar{display:none}.logo img{width:170px}.nav a:not(.btn){display:none}.hero h1{font-size:34px}.grid{grid-template-columns:1fr}.wrap{padding:22px 12px}.hero-inner{padding:44px 14px}}