*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans Thai',sans-serif;line-height:1.78;color:#334155;background:#fbfcfe;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:#0891b2;transition:color 0.15s}
a:hover{color:#2563eb}
.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}
header{background:rgba(15,23,42,0.88);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);color:#fff;padding:0.9rem 1.5rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(148,163,184,0.15)}
header .container{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:1.3rem;letter-spacing:-0.5px}
.logo span{color:#22d3ee}
nav a{color:#94a3b8;text-decoration:none;margin-left:1.25rem;font-size:0.875rem;transition:color 0.2s}
nav a:hover{color:#fff}
.disclosure{background:#fffbeb;border-bottom:1px solid #fde68a;padding:0.55rem 1.5rem;font-size:0.78rem;color:#92400e;text-align:center}
.disclosure.container{max-width:880px;border:1px solid #fde68a;border-radius:14px;margin:1rem auto 0}
main{max-width:880px;margin:0 auto;padding:2.5rem 1.5rem}
.article-page{max-width:880px;padding:2.5rem 1.5rem;margin:0 auto}
.breadcrumb{font-size:0.82rem;color:#64748b;margin-bottom:1.5rem}
.breadcrumb a{color:#0891b2;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

/* headings */
h1{font-size:2.2rem;font-weight:800;color:#0f172a;line-height:1.22;margin-bottom:1rem;letter-spacing:-0.6px}
h2{font-size:1.5rem;font-weight:800;color:#0f172a;margin:2.75rem 0 1rem;letter-spacing:-0.4px;position:relative;padding-left:0.95rem}
h2::before{content:"";position:absolute;left:0;top:0.18em;bottom:0.18em;width:5px;border-radius:6px;background:linear-gradient(180deg,#22d3ee,#2563eb)}
h3{font-size:1.1rem;font-weight:700;color:#1e293b;margin:1.75rem 0 0.5rem;letter-spacing:-0.2px}
p{margin-bottom:1rem;color:#374151}
ul,ol{margin:0.75rem 0 1.25rem 1.4rem}
li{margin-bottom:0.45rem;color:#374151}
li::marker{color:#0891b2}
strong{color:#1e293b}

/* byline + method box */
.byline{display:flex;flex-wrap:wrap;gap:0.5rem 1rem;align-items:center;font-size:0.82rem;color:#64748b;border-bottom:1px solid #eef2f7;padding-bottom:1.1rem;margin:0.5rem 0 1.4rem}
.byline .au{font-weight:700;color:#334155}
.byline .dot{color:#cbd5e1}
.eeat-method{background:linear-gradient(135deg,#f0fdff,#eff6ff);border:1px solid #cffafe;border-left:4px solid #0891b2;padding:1rem 1.25rem;font-size:0.88rem;color:#0e5567;border-radius:14px;margin-bottom:1.5rem;box-shadow:0 10px 26px -22px rgba(8,145,178,0.6)}

/* hero image */
.hero-img,article img.hero-img{width:100%;height:360px;object-fit:cover;border-radius:18px;margin:1.5rem 0 2rem;display:block;box-shadow:0 24px 50px -26px rgba(15,23,42,0.5)}

/* TOC */
.toc{background:#fff;border:1px solid #eef2f7;border-radius:18px;padding:1.4rem 1.6rem;margin:1.75rem 0;box-shadow:0 1px 2px rgba(15,23,42,0.04),0 18px 40px -30px rgba(15,23,42,0.3)}
.toc h3{font-size:0.78rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:#64748b;margin:0 0 0.75rem}
.toc ul,.toc ol{margin:0;padding-left:1.1rem}
.toc li{margin-bottom:0.4rem;font-size:0.9rem}
.toc a{color:#0891b2;text-decoration:none}
.toc a:hover{color:#2563eb;text-decoration:underline}

.en{font-size:0.85rem;color:#94a3b8;font-style:italic;margin-bottom:0.5rem}

/* tags */
.tag{display:inline-block;background:linear-gradient(120deg,#ecfeff,#eff6ff);color:#0e7490;font-size:0.7rem;padding:0.32em 0.95em;border-radius:999px;font-weight:700;margin-bottom:1rem;text-transform:uppercase;letter-spacing:0.5px;border:1px solid #cffafe}

/* score widget (legacy) */
.score-widget{display:flex;align-items:center;gap:1.5rem;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;border-radius:18px;padding:1.5rem 2rem;margin:1.75rem 0;box-shadow:0 20px 44px -26px rgba(15,23,42,0.7)}
.score-num{font-size:3.5rem;font-weight:800;color:#fb923c;line-height:1;min-width:85px}
.score-details .slabel{color:#94a3b8;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.5px}
.score-details .stars{color:#fbbf24;font-size:1.3rem;margin:0.25rem 0}
.score-details .verdict{font-size:0.9rem;color:#e2e8f0}
.score-breakdown{display:grid;grid-template-columns:repeat(2,1fr);gap:0.85rem;margin:1.75rem 0}
.si{background:#fff;border:1px solid #eef2f7;border-radius:14px;padding:0.85rem 1.1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 2px rgba(15,23,42,0.04)}
.si .sil{font-size:0.85rem;color:#475569}
.si .siv{font-weight:700;color:#0891b2}

/* pros / cons */
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin:2rem 0}
.pros{background:linear-gradient(160deg,#f0fdf4,#fff);border:1px solid #bbf7d0;border-radius:18px;padding:1.4rem 1.5rem;box-shadow:0 16px 36px -28px rgba(22,163,74,0.5)}
.cons{background:linear-gradient(160deg,#fef2f2,#fff);border:1px solid #fecaca;border-radius:18px;padding:1.4rem 1.5rem;box-shadow:0 16px 36px -28px rgba(220,38,38,0.4)}
.pros h3,.cons h3{margin:0 0 0.75rem;padding:0;font-size:1rem}
.pros h3{color:#15803d}
.cons h3{color:#b91c1c}
.pros ul,.cons ul{margin:0;list-style:none;padding:0}
.pros li,.cons li{padding:0.32rem 0 0.32rem 1.6rem;position:relative;font-size:0.9rem;margin:0;color:#374151}
.pros li::before{content:"✓";position:absolute;left:0;color:#16a34a;font-weight:700}
.cons li::before{content:"✗";position:absolute;left:0;color:#dc2626;font-weight:700}

/* CTA box */
.cta-box{background:linear-gradient(135deg,#0c4a6e 0%,#0891b2 55%,#0ea5e9 100%);border-radius:20px;padding:2.1rem;text-align:center;color:#fff;margin:2.5rem 0;box-shadow:0 24px 50px -26px rgba(8,145,178,0.7);position:relative;overflow:hidden}
.cta-box::after{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at 80% 0%,rgba(255,255,255,0.18),transparent 60%);pointer-events:none}
.cta-box>*{position:relative;z-index:1}
.cta-box h3,.cta-box p:first-child{font-size:1.25rem;font-weight:800;margin-bottom:0.5rem;padding:0;color:#fff}
.cta-box p{color:#e0f7ff}
.cta-box .cta-btn,.cta-box a[href^="/go"]{margin-top:0.5rem}

/* buttons */
.btn{display:inline-block;background:linear-gradient(120deg,#0891b2,#2563eb);color:#fff;padding:0.85rem 2.1rem;border-radius:12px;text-decoration:none;font-weight:700;font-size:1rem;transition:transform 0.18s ease,box-shadow 0.18s ease;box-shadow:0 12px 30px -10px rgba(37,99,235,0.65)}
.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 38px -10px rgba(37,99,235,0.75)}

/* tables */
table{width:100%;border-collapse:separate;border-spacing:0;margin:1.75rem 0;font-size:0.9rem;border-radius:14px;overflow:hidden;box-shadow:0 1px 2px rgba(15,23,42,0.05),0 16px 36px -30px rgba(15,23,42,0.4)}
th{background:#0f172a;color:#fff;padding:0.8rem 1.1rem;text-align:left;font-weight:600}
td{padding:0.75rem 1.1rem;border-bottom:1px solid #eef2f7;color:#374151}
tr:last-child td{border-bottom:none}
tr:nth-child(even) td{background:#f8fafc}
.check{color:#16a34a;font-weight:700}
.cross{color:#dc2626}

/* note */
.note{background:linear-gradient(135deg,#f0f9ff,#eff6ff);border-left:4px solid #0891b2;padding:1rem 1.3rem;border-radius:14px;margin:1.75rem 0;font-size:0.9rem;color:#0c4a6e;box-shadow:0 12px 30px -26px rgba(8,145,178,0.6)}

/* FAQ — both old (.faq-item h3/p) and new (.faq/.faq-q/.faq-a) */
.faq{background:linear-gradient(180deg,#f8fafc,#fff);border:1px solid #eef2f7;border-radius:20px;padding:1.75rem 1.9rem;margin:2.25rem 0;box-shadow:0 1px 2px rgba(15,23,42,0.04),0 22px 46px -34px rgba(15,23,42,0.35)}
.faq h2{margin-top:0;padding-left:0.95rem}
.faq-item{border-bottom:1px solid #eef2f7;padding:1.1rem 0}
.faq-item:last-child{border-bottom:none}
.faq-q{font-weight:700;color:#0f172a;margin-bottom:0.45rem;font-size:0.98rem}
.faq-a{color:#475569;font-size:0.9rem}
/* legacy standalone faq-item (bordered card) */
.faq-item h3{margin:0 0 0.5rem;padding:0;font-size:0.98rem;color:#0f172a;font-weight:700}
.faq-item h3::before{display:none}
.faq-item p{margin:0;font-size:0.9rem;color:#475569}

/* related / pillar links — new markup (.related/.rel-grid/.rel-card/.rel-tag/.rel-title) */
.related{max-width:880px;margin:2.5rem auto 0;padding:0 1.5rem}
.related h3{font-size:1.05rem;font-weight:800;color:#0f172a;margin-bottom:1rem;letter-spacing:-0.2px}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.rel-card{background:#fff;border:1px solid #eef2f7;border-radius:16px;padding:1.1rem 1.2rem;text-decoration:none;transition:transform 0.2s ease,box-shadow 0.2s ease,border-color 0.2s ease;display:block;box-shadow:0 1px 2px rgba(15,23,42,0.04)}
.rel-card:hover{transform:translateY(-4px);border-color:#cbd5e1;box-shadow:0 20px 40px -24px rgba(15,23,42,0.3)}
.rel-tag{font-size:0.68rem;color:#0e7490;font-weight:700;text-transform:uppercase;letter-spacing:0.5px}
.rel-title{color:#0f172a;font-weight:700;font-size:0.92rem;margin-top:0.3rem;line-height:1.4}
/* legacy related-grid */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.rel-card .rct{font-size:0.7rem;color:#0e7490;font-weight:700;text-transform:uppercase;letter-spacing:0.4px}
.rel-card h4{font-size:0.9rem;color:#0f172a;margin:0.35rem 0 0;line-height:1.4;font-weight:700}

footer{background:linear-gradient(180deg,#0f172a,#0b1220);color:#94a3b8;text-align:center;padding:2.75rem 1.5rem;font-size:0.83rem;margin-top:3.5rem}
footer a{color:#cbd5e1;text-decoration:none}
footer a:hover{color:#fff}
footer .flinks{margin-bottom:0.75rem}
footer .flinks a{margin:0 0.75rem}

@media(max-width:900px){.score-breakdown{grid-template-columns:1fr}.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.pros-cons{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){h1{font-size:1.7rem}h2{font-size:1.25rem}.score-widget{flex-direction:column;text-align:center}.hero-img,article img.hero-img{height:220px}.rel-grid{grid-template-columns:1fr 1fr}header{flex-direction:column;gap:0.75rem;padding:1rem}header .container{flex-direction:column;gap:0.75rem}nav{display:flex;flex-wrap:wrap;justify-content:center}nav a{margin:0.2rem 0.5rem}.related-grid{grid-template-columns:1fr}.faq{padding:1.4rem 1.3rem}}
@media(max-width:400px){main{padding:1.5rem 1rem}.rel-grid{grid-template-columns:1fr}}
