:root{--green:#003c2b;--green2:#00543c;--yellow:#f4b000;--white:#fff;--ink:#0b1720;--muted:#64748b;--line:#dbe3e8;--bg:#f7faf8;--radius:24px;--shadow:0 18px 55px rgba(0,35,25,.12)}*{box-sizing:border-box}body{margin:0;font-family:Arial,'Noto Sans Thai',sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.site-banner{display:block;background:var(--yellow);color:#08251b;font-weight:900;text-align:center;padding:.55rem}.site-header{position:sticky;top:0;z-index:20;background:rgba(0,60,43,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(244,176,0,.28);display:flex;align-items:center;justify-content:space-between;padding:.7rem clamp(1rem,4vw,4rem)}.brand img{width:220px;max-width:54vw;max-height:76px;object-fit:contain}.nav{display:flex;align-items:center;gap:.25rem}.nav a{color:#fff;padding:.7rem .9rem;border-radius:999px;font-weight:800}.nav a:hover,.nav-cta{background:var(--yellow)!important;color:#08251b!important}.nav-toggle{display:none;background:var(--yellow);border:0;border-radius:12px;padding:.55rem .75rem;font-size:1.2rem}.hero{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;padding:clamp(2rem,5vw,5rem);background:linear-gradient(135deg,#003c2b,#00291e);color:#fff}.hero h1{font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.08;margin:.4rem 0}.hero p{font-size:1.15rem;color:#d9f6e9}.hero-card,.card,.post-card,.product-index-card,.product-price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.hero-card img,.article-cover img,.card img,.post-card img,.product-index-image img,.product-price-card img,.product-gallery img,.wide-img{width:100%;height:auto!important;object-fit:contain!important;background:transparent!important;display:block}.section{padding:clamp(2rem,5vw,4.5rem) clamp(1rem,4vw,4rem)}.alt{background:#fff}.container{max-width:1180px;margin:auto}.container-narrow{max-width:960px;margin:auto}.section-head{text-align:left;margin-bottom:1.7rem}.eyebrow{display:inline-flex;color:var(--yellow);font-weight:900;text-transform:uppercase;letter-spacing:.04em}.section h1,.section-head h1,.article h1{font-size:clamp(2rem,4vw,4rem);line-height:1.14;color:var(--green);margin:.3rem 0}.section-head p,.lead{color:var(--muted);font-size:1.08rem}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:.85rem 1.15rem;font-weight:900;border:2px solid transparent}.btn-primary{background:var(--yellow);color:#08251b}.btn-outline{border-color:var(--yellow);color:var(--yellow);background:rgba(244,176,0,.07)}.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}.grid{display:grid;gap:1rem}.grid-4{grid-template-columns:repeat(4,1fr)}.product-price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.35rem;margin:1.4rem 0}.product-price-card-large{display:flex;flex-direction:column;color:inherit;transition:.18s}.product-price-card-large:hover{transform:translateY(-3px)}.product-price-card-large img{border-radius:24px 24px 0 0}.product-price-card-body{padding:1.2rem}.product-price-card-body h3{font-size:1.35rem;color:var(--green);margin:0}.product-price-card-body p{color:var(--muted)}.product-price-card-body strong{display:block;color:#c88400;margin:.55rem 0}.product-card-link,.text-link{font-weight:900;color:var(--green2)}.product-index-grid{display:grid;gap:1.4rem}.product-index-card{display:grid;grid-template-columns:minmax(260px,.9fr) 1.1fr;gap:1.3rem;align-items:center;padding:1rem}.product-index-image{border-radius:18px;overflow:hidden;background:#fff}.product-index-body{padding:1rem}.product-index-body h2{font-size:clamp(1.35rem,2.5vw,2.2rem);color:var(--green);line-height:1.18;margin:.3rem 0}.product-index-body p{color:var(--muted)}.product-index-body strong{display:block;color:#c88400;font-size:1.15rem}.product-size-line{font-size:.98rem;color:var(--green)!important;background:#f4fbf7;border:1px solid #d8ece2;border-radius:14px;padding:.7rem .85rem}.product-detail-page{max-width:1120px}.article{max-width:980px;margin:auto;padding:clamp(1.2rem,4vw,3rem);background:#fff}.article h2{font-size:clamp(1.45rem,2.6vw,2.25rem);color:var(--green);line-height:1.2}.article h3{color:#134e3a}.article-cover{margin:0 0 1.8rem;overflow:hidden;border-radius:var(--radius);background:transparent}.product-detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;margin:1.5rem 0 2.5rem}.product-detail-media{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden}.product-detail-info h2{font-size:clamp(1.8rem,3vw,3rem);color:var(--green);line-height:1.12}.product-spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;margin:1rem 0}.product-spec-grid div{background:#f8faf8;border:1px solid var(--line);border-radius:16px;padding:1rem}.product-spec-grid b{display:block;color:#b47d00}.check-list{display:grid;gap:.65rem;padding:0}.check-list li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem}.check-list li:before{content:'✓';font-weight:900;color:var(--green2);margin-right:.5rem}.tag-list{display:flex;flex-wrap:wrap;gap:.6rem}.tag-list span{background:#ecfff6;border:1px solid #bee8d4;border-radius:999px;padding:.45rem .8rem;font-weight:800}.product-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.product-gallery img{border:1px solid var(--line);border-radius:16px}.table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff;margin:1rem 0}table{width:100%;border-collapse:collapse}th,td{padding:.9rem 1rem;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{background:var(--green);color:#fff}td:first-child{font-weight:900;color:var(--green)}.price-note{color:var(--muted);font-size:.95rem}.faq-list{display:grid;gap:.8rem}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1rem}.faq-list summary{font-weight:900;color:var(--green);cursor:pointer}.cta-panel{background:linear-gradient(135deg,var(--green),#001e16);color:#fff;border-radius:28px;padding:clamp(1.4rem,4vw,2.5rem);margin:2rem 0}.cta-panel h2{color:#fff}.post-grid,.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.post-card,.related-card{display:block;padding:1rem}.post-card h2{color:var(--green);font-size:1.25rem}.post-card p{color:var(--muted)}.wide-img{border-radius:24px;border:1px solid var(--line);margin:1rem 0}.footer-iframe-section{padding:2rem;background:#fff}.iframe-card{max-width:1180px;margin:auto}.iframe-card iframe{width:100%;border:0;border-radius:18px}.site-footer{background:#001e16;color:#dff5ea;padding:2rem clamp(1rem,4vw,4rem);display:grid;grid-template-columns:1.3fr .7fr;gap:1rem}.site-footer a{display:block;color:#fff;margin:.25rem 0}.footer-logo{width:230px}.copyright{grid-column:1/-1;color:#9db8aa}.admin-body{background:#f1f5f9}.admin-layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.admin-sidebar{background:#001e16;color:#fff;padding:1rem;position:sticky;top:0;height:100vh}.admin-sidebar a{display:block;padding:.7rem;border-radius:12px;color:#fff}.admin-sidebar a:hover{background:#003c2b}.admin-main{padding:2rem;min-width:0}.field{display:grid;gap:.35rem;margin:.7rem 0}.field input,.field textarea,.field select,input,textarea,select{width:100%;padding:.8rem;border:1px solid var(--line);border-radius:12px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.notice{background:#fff8d9;border:1px solid #f4b000;border-radius:14px;padding:1rem;margin:1rem 0}.danger{background:#fff1f2;border-color:#fda4af}.admin-table{overflow:auto;background:#fff;border-radius:18px;border:1px solid var(--line)}code{background:#0f172a;color:#fff;padding:.2rem .4rem;border-radius:6px}@media(max-width:900px){.hero,.product-index-card,.product-detail-hero,.site-footer,.admin-layout{grid-template-columns:1fr}.nav{display:none;position:absolute;right:1rem;top:82px;background:var(--green);border-radius:18px;padding:.8rem;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav-toggle{display:block}.product-price-grid,.post-grid,.related-grid,.grid-4,.product-gallery{grid-template-columns:1fr}.product-spec-grid,.form-grid{grid-template-columns:1fr}.admin-sidebar{position:relative;height:auto}.brand img{width:180px}.section{padding:2rem 1rem}}

/* Content expansion components */
.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(1.1rem,3vw,2rem);margin:1rem 0}.info-panel h2{color:var(--green);font-size:clamp(1.35rem,2.4vw,2.1rem);line-height:1.2;margin:.2rem 0 .65rem}.info-panel p{color:var(--muted);margin:.2rem 0 1rem}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.process-grid div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:1.2rem;box-shadow:var(--shadow)}.process-grid b{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:var(--yellow);color:#08251b;margin-bottom:.6rem}.process-grid h3{color:var(--green);margin:.3rem 0}.process-grid p{color:var(--muted)}.compare-box{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.compare-box>div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:1.2rem}.step-list{display:grid;gap:.7rem;counter-reset:steps;padding:0}.step-list li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem}.step-list li:before{counter-increment:steps;content:counter(steps);display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--yellow);color:#08251b;font-weight:900;margin-right:.6rem}.price-page .cta-row{margin:1rem 0 1.5rem}.price-block{background:#fff;border:1px solid var(--line);border-radius:22px;padding:1rem;margin:1rem 0}.price-block h3{color:var(--green);font-size:1.35rem;margin:.2rem 0}.admin-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin:1rem 0}.inline-status{display:inline-flex;margin:0!important;padding:.6rem .85rem!important}@media(max-width:900px){.content-grid,.process-grid,.compare-box{grid-template-columns:1fr}}