:root{
  --bg:#FFFFFF; --ink:#14161A; --body:#3b3f47; --muted:#6b7077;
  --line:rgba(20,22,26,.09); --card:#fff; --rose:#FF3B4E; --rose2:#FF6B76;
  --grad:linear-gradient(140deg,#FF6B76,#FF3B4E); --dark:#14161A;
  --radius:16px; --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:'DM Sans',system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Sora',system-ui,sans-serif;color:var(--ink);line-height:1.2;font-weight:700}
a{color:var(--rose);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
/* header */
.bhdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bhdr .in{display:flex;align-items:center;gap:22px;height:64px}
.blogo{font-family:'Sora',sans-serif;font-weight:800;font-size:22px;color:var(--ink);letter-spacing:-.02em}
.blogo .dot{color:var(--rose)}
.bnav{display:flex;gap:20px;margin-left:8px}
.bnav a{color:var(--ink);font-weight:500;font-size:15px}
.bspacer{flex:1}
.bcta{background:var(--grad);color:#fff!important;padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px;white-space:nowrap;box-shadow:0 6px 18px rgba(255,59,78,.3)}
.bcta:hover{text-decoration:none;filter:brightness(1.04)}
@media(max-width:720px){.bnav{display:none}.bhdr .in{gap:12px}}
/* breadcrumb */
.crumb{font-size:13px;color:var(--muted);margin:26px 0 10px}
.crumb a{color:var(--muted)}
/* article */
.art{max-width:760px;margin:0 auto;padding:10px 20px 60px}
.art h1{font-size:clamp(30px,5vw,46px);letter-spacing:-.02em;margin:.2em 0 .3em}
.art .meta{color:var(--muted);font-size:14px;margin-bottom:28px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.art .lede{font-size:20px;color:var(--ink);line-height:1.5;margin:0 0 30px}
.art h2{font-size:28px;margin:44px 0 14px;letter-spacing:-.01em}
.art h3{font-size:21px;margin:30px 0 10px}
.art p{margin:0 0 18px}
.art ul,.art ol{margin:0 0 18px;padding-left:22px}
.art li{margin:6px 0}
.art strong{color:var(--ink)}
.art blockquote{margin:24px 0;padding:14px 20px;border-left:4px solid var(--rose);background:#fff;border-radius:0 12px 12px 0;color:var(--ink)}
/* comparison table */
.ctable{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 14px rgba(20,22,26,.05)}
.ctable th,.ctable td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.ctable thead th{background:var(--ink);color:#fff;font-family:'Sora',sans-serif;font-size:14px}
.ctable tbody tr:last-child td{border-bottom:0}
.ctable td:first-child{font-weight:600;color:var(--ink)}
.ctable .yes{color:#16a34a;font-weight:600}
.ctable .no{color:#b4424f}
/* CTA box */
.ctabox{background:var(--dark);color:#fff;border-radius:var(--radius);padding:30px 28px;margin:40px 0;text-align:center}
.ctabox h3{color:#fff;font-size:24px;margin:0 0 8px}
.ctabox p{color:rgba(255,255,255,.75);margin:0 0 18px}
.ctabox .b{display:inline-block;background:var(--grad);color:#fff;padding:13px 26px;border-radius:999px;font-weight:600;box-shadow:0 8px 24px rgba(255,59,78,.4)}
.ctabox .b:hover{text-decoration:none;filter:brightness(1.05)}
.ctabox .sub{display:block;margin-top:10px;font-size:13px;color:rgba(255,255,255,.55)}
/* FAQ */
.faq{margin:40px 0}
.faq h2{margin-bottom:8px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0;margin:10px 0;overflow:hidden;box-shadow:0 2px 10px rgba(20,22,26,.05)}
.faq summary{padding:16px 18px;font-weight:600;color:var(--ink);cursor:pointer;font-family:'Sora',sans-serif;font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';float:right;color:var(--rose);font-size:20px;line-height:1}
.faq details[open] summary::after{content:'–'}
.faq .a{padding:0 18px 16px;color:var(--body)}
/* blog index */
.bhero{text-align:center;padding:48px 20px 26px}
.bhero h1{font-size:clamp(32px,6vw,52px);letter-spacing:-.02em;margin:0 0 12px}
.bhero p{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;padding:20px 0 60px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;box-shadow:0 2px 12px rgba(20,22,26,.06);transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(20,22,26,.1);text-decoration:none}
.pcard .tag{display:inline-block;font-size:12px;font-weight:600;color:var(--rose);background:rgba(255,59,78,.08);padding:4px 10px;border-radius:999px;margin-bottom:12px;align-self:flex-start}
.pcard h2{font-size:21px;margin:0 0 8px;color:var(--ink)}
.pcard p{color:var(--muted);font-size:15px;margin:0 0 16px;flex:1}
.pcard .r{font-size:13px;color:var(--muted);display:flex;gap:10px}
.pcard .arrow{color:var(--rose);font-weight:600;font-size:14px;margin-top:14px}
/* footer */
.bftr{border-top:1px solid var(--line);padding:34px 20px;text-align:center;color:var(--muted);font-size:14px;background:#fff}
.bftr a{color:var(--muted)}
.bftr .ft-links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.bftr .ft-links a{color:var(--ink);font-weight:500}