:root{--emerald:#0D3B2E;--green:#47745B;--sage:#8FAF98;--gold:#C4A15A;--ivory:#F8F5EC;--ink:#17382f;--muted:#60736c;--line:#dce5df}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--ivory);font-family:"Noto Sans Thai",system-ui,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.wrap{width:min(1080px,calc(100% - 36px));margin:auto}.nav{position:sticky;top:0;z-index:5;background:rgba(248,245,236,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.navin{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{width:165px;height:58px;object-fit:contain}.links{display:flex;gap:17px;align-items:center;font-size:.9rem;font-weight:700}.links a:hover{color:var(--green)}.hero{padding:86px 0 45px;background:linear-gradient(145deg,var(--ivory),#edf4ef)}.eyebrow{color:var(--green);font:800 .8rem/1.4 system-ui;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(2.25rem,5vw,4.4rem);line-height:1.12;letter-spacing:-.035em;margin:18px 0 20px}.hero p{max-width:760px;font-size:1.1rem;color:var(--muted)}main article{background:#fff;margin:0 auto 70px;padding:42px;border:1px solid var(--line);border-radius:28px;box-shadow:0 24px 60px rgba(13,59,46,.08)}h2{font-size:1.55rem;margin:34px 0 12px}h3{font-size:1.12rem;margin:26px 0 8px}p{margin:0 0 16px}ul,ol{padding-left:24px}.callout{background:#edf4ef;border-left:4px solid var(--gold);padding:18px 20px;border-radius:0 14px 14px 0;margin:24px 0}.tiers{display:grid;gap:13px}.tier{border:1px solid var(--line);border-radius:16px;padding:18px}.tier strong{color:var(--emerald)}details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 19px;margin:12px 0}summary{cursor:pointer;font-weight:800;padding:18px 30px 18px 0}details p{color:var(--muted)}.cta{display:inline-flex;padding:13px 18px;background:var(--emerald);color:#fff;border-radius:12px;font-weight:800}.footer{background:var(--emerald);color:#fff;padding:42px 0}.footer-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:28px}.footer-title{font-size:1.2rem;font-weight:800}.footer-tag{color:#d7e6dc}.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:.88rem}.fine{color:#c9d8cf;font-size:.84rem;margin-top:18px}@media(max-width:820px){.navin{padding:10px 0;align-items:flex-start;flex-direction:column}.links{width:100%;overflow-x:auto;padding-bottom:8px}.hero{padding-top:54px}main article{padding:25px;border-radius:20px}.footer-grid{grid-template-columns:1fr}}@media(max-width:520px){.logo{width:135px;height:48px}.hero h1{font-size:2.25rem}.links{font-size:.82rem}.wrap{width:min(100% - 26px,1080px)}}