*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1a73e8;--green:#43c59e;
  --grad:linear-gradient(135deg,#1a73e8,#43c59e);
  --g50:#f8fafc;--g100:#f1f5f9;--g200:#e2e8f0;
  --g400:#94a3b8;--g500:#64748b;--g700:#334155;--g900:#0f172a;
  --r-full:999px;
}
body{font-family:'Inter',sans-serif;color:var(--g900);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.65}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
nav{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--g200);padding:14px 5%;display:flex;align-items:center;justify-content:space-between;z-index:100}
.logo{height:38px}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;color:var(--g700);font-weight:500;transition:color .2s}
.btn-nav{background:var(--grad);color:#fff;padding:8px 18px;border-radius:var(--r-full);font-size:13px;font-weight:600}
@media(max-width:600px){.nav-links a:not(.btn-nav){display:none}}

.article{max-width:760px;margin:0 auto;padding:48px 5% 60px}
.breadcrumb{font-size:13px;color:var(--g500);margin-bottom:24px}
.breadcrumb a{color:var(--g500);font-weight:500}
.article-cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#ef4444;background:#fef2f2;padding:5px 14px;border-radius:999px;margin-bottom:16px}
.article h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.015em;line-height:1.2;margin-bottom:20px;color:var(--g900)}
.article-meta{display:flex;align-items:center;gap:14px;color:var(--g500);font-size:13px;padding-bottom:28px;border-bottom:1px solid var(--g100);margin-bottom:36px}
.author-avatar{width:34px;height:34px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px}
.article-content{font-size:16px;color:var(--g700);line-height:1.85}
.article-content p{margin-bottom:22px}
.article-content h2{font-size:24px;font-weight:700;color:var(--g900);margin:48px 0 18px;letter-spacing:-.01em}
.article-content h3{font-size:18px;font-weight:700;color:var(--g900);margin:32px 0 12px}
.article-content ul,.article-content ol{margin:0 0 22px 24px}
.article-content li{margin-bottom:8px}
.article-content strong{color:var(--g900);font-weight:700}
.callout{background:linear-gradient(135deg,#fef3c7,#fef9c3);border-left:4px solid #f59e0b;border-radius:12px;padding:20px 24px;margin:32px 0}
.callout-title{font-size:13px;font-weight:700;color:#b45309;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.callout-text{font-size:15px;color:#78350f;line-height:1.65}
.warning{background:#fef2f2;border-left:4px solid #ef4444;border-radius:12px;padding:20px 24px;margin:32px 0}
.warning-title{font-size:13px;font-weight:700;color:#991b1b;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.warning-text{font-size:15px;color:#7f1d1d;line-height:1.65}
.tip{background:#f0fdf4;border-left:4px solid #16a34a;border-radius:12px;padding:20px 24px;margin:32px 0}
.tip-title{font-size:13px;font-weight:700;color:#166534;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.tip-text{font-size:15px;color:#14532d;line-height:1.65}
.cta-box{background:linear-gradient(135deg,#1a73e8,#43c59e);border-radius:20px;padding:36px 28px;color:#fff;margin:48px 0;text-align:center}
.cta-box h3{font-size:22px;font-weight:700;margin-bottom:10px;color:#fff}
.cta-box p{font-size:14px;opacity:.92;margin-bottom:20px}
.cta-box .btn{display:inline-block;background:#fff;color:var(--g900);padding:12px 28px;border-radius:999px;font-size:14px;font-weight:700;text-decoration:none}
.related{background:var(--g50);border-radius:18px;padding:28px;margin-top:60px}
.related h3{font-size:16px;font-weight:700;margin-bottom:14px}
.related-link{display:block;padding:12px 0;border-top:1px solid var(--g200);font-size:14px;color:var(--g700);font-weight:500;transition:color .2s}
.related-link:hover{color:var(--blue);text-decoration:none}
.related-link:first-of-type{border-top:none}
.comp-table{width:100%;border-collapse:separate;border-spacing:0;border-radius:14px;overflow:hidden;margin:24px 0;border:1px solid var(--g200)}
.comp-table th,.comp-table td{padding:12px 14px;font-size:13px;border-bottom:1px solid var(--g100);text-align:left}
.comp-table th{background:var(--g50);font-weight:700;color:var(--g700);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.comp-table tr:last-child td{border-bottom:none}

footer{background:var(--g900);color:#fff;padding:48px 5% 28px;margin-top:80px}
.footer-content{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between}
.footer-links{display:flex;gap:32px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.6);font-size:13px;text-decoration:none}
.footer-bottom{text-align:center;font-size:12px;color:rgba(255,255,255,.3);margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}