:root{--bg:#f4f8f5;--panel:#fff;--text:#12322b;--muted:#60756e;--line:rgba(18,50,43,.12);--brand:#1f7a53;--brand-2:#63b68c;--dark:#0b1f1b;--shadow:0 18px 50px rgba(11,31,27,.10);--max:1180px;--article:820px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#f8fbf9,#eef5f1)}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(18,50,43,.08)}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.logo-img{width:164px;height:auto}.menu{display:flex;gap:22px;align-items:center}.menu a{font-size:14px;color:#28453e;font-weight:600}.menu .cta{padding:11px 16px;background:var(--brand);color:#fff;border-radius:999px}.mobile-menu-toggle{display:none;background:none;border:0;padding:8px}.mobile-menu-toggle span{display:block;width:24px;height:2px;background:#12322b;margin:5px}
.article-hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 15% 10%,rgba(99,182,140,.25),transparent 28%),radial-gradient(circle at 85% 25%,rgba(31,122,83,.26),transparent 30%),linear-gradient(135deg,#0d241f,#123129 56%,#1f4f40);padding:72px 0 78px}.article-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px);background-size:32px 32px}.article-hero .container{position:relative}.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}.breadcrumb a:hover{color:#fff}.category{display:inline-flex;align-items:center;gap:9px;padding:9px 13px;border:1px solid rgba(255,255,255,.17);border-radius:999px;background:rgba(255,255,255,.06);font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.category i{width:8px;height:8px;border-radius:50%;background:#93e8b1}.article-hero h1{max-width:940px;font-size:clamp(38px,6vw,68px);line-height:1.04;letter-spacing:-.045em;margin:19px 0 18px}.lead{max-width:820px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.84);margin:0}.article-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px;font-size:13px;color:rgba(255,255,255,.68)}
.article-wrap{padding:56px 0 92px}.article-layout{display:grid;grid-template-columns:minmax(0,var(--article)) 260px;gap:54px;align-items:start;justify-content:center}.article-card{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}.cover{aspect-ratio:16/7;object-fit:cover;width:100%}.article-body{padding:42px 48px 52px}.article-body p,.article-body li{font-size:17px;line-height:1.82;color:#405e55}.article-body p{margin:0 0 22px}.article-body h2{font-size:30px;line-height:1.2;letter-spacing:-.025em;margin:42px 0 17px;color:#12322b}.article-body h2:first-child{margin-top:0}.article-body ol{padding-left:24px;margin:0 0 26px}.article-body li{padding-left:5px;margin:0 0 13px}.article-body strong{color:#173d34}.article-body .closing{margin-top:34px;padding:24px 26px;border-left:4px solid var(--brand);background:#f1f7f3;border-radius:0 16px 16px 0}.article-cta{margin-top:36px;padding:28px;background:linear-gradient(135deg,#123129,#1f5846);color:#fff;border-radius:20px}.article-cta h3{font-size:23px;margin:0 0 10px}.article-cta p{color:rgba(255,255,255,.78);font-size:15px;margin:0 0 18px}.article-cta a{display:inline-flex;padding:11px 17px;border-radius:999px;background:#fff;color:var(--brand);font-weight:800;font-size:14px}
.sidebar{position:sticky;top:104px}.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 36px rgba(11,31,27,.08);margin-bottom:18px}.side-card h3{font-size:16px;margin:0 0 14px}.side-card a{display:block;color:var(--brand);font-size:14px;font-weight:700;line-height:1.45;padding:9px 0;border-top:1px solid var(--line)}.side-card a:first-of-type{border-top:0}.back-blog{display:inline-flex;gap:8px;align-items:center;color:var(--brand);font-weight:800;font-size:14px}
.footer{background:#0b1f1b;color:#fff;padding:34px 0}.footer-wrap{display:flex;justify-content:space-between;gap:28px;align-items:center}.footer-links{display:flex;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.72);font-size:14px}.back-to-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border:0;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 12px 30px rgba(11,31,27,.22)}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top svg{width:22px;stroke:currentColor;fill:none;stroke-width:2}
@media(max-width:980px){.article-layout{grid-template-columns:minmax(0,var(--article))}.sidebar{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.side-card{margin:0}}
@media(max-width:760px){.mobile-menu-toggle{display:block}.menu{position:absolute;top:78px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;background:#fff;padding:16px;border-radius:20px;box-shadow:var(--shadow)}.menu.is-open{display:flex}.menu a{padding:8px 4px}.article-hero{padding:54px 0 60px}.article-wrap{padding:34px 0 70px}.article-card{border-radius:20px}.cover{aspect-ratio:16/9}.article-body{padding:30px 23px 38px}.article-body h2{font-size:25px;margin-top:34px}.article-body p,.article-body li{font-size:16px}.sidebar{grid-template-columns:1fr}.footer-wrap{flex-direction:column;align-items:flex-start}}