@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@400;600;700;800&display=swap');
:root{--sky:#00a6ff;--navy:#092b52;--ink:#16324a;--mist:#edf9ff;--line:#cdeeff;--lime:#b8f34a;--white:#fff;--shadow:0 18px 50px rgba(9,43,82,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(90deg,rgba(0,166,255,.045) 1px,transparent 1px),linear-gradient(rgba(0,166,255,.045) 1px,transparent 1px),#f8fdff;background-size:32px 32px;font-family:'Noto Sans Thai',sans-serif;line-height:1.82}.site-header{position:sticky;top:0;z-index:30;background:rgba(248,253,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.topbar{max-width:1240px;margin:auto;display:flex;align-items:center;min-height:78px;padding:0 24px}.brand img{width:138px;display:block}.menu{margin-left:auto;display:flex;align-items:center;gap:8px}.menu a{padding:10px 15px;color:var(--navy);text-decoration:none;font-weight:700;border-radius:999px}.menu a:hover,.menu a.active{background:var(--navy);color:white}.menu-toggle{display:none;margin-left:auto;border:0;background:var(--navy);color:white;border-radius:12px;padding:9px 13px;font-size:20px}.hero{max-width:1240px;margin:28px auto 0;padding:0 24px}.hero-shell{position:relative;overflow:hidden;min-height:360px;border-radius:34px;background:var(--navy);color:white;box-shadow:var(--shadow);display:grid;grid-template-columns:1.15fr .85fr}.hero-copy{padding:64px 58px;position:relative;z-index:2}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-weight:800;letter-spacing:.04em}.eyebrow:before{content:'';width:32px;height:3px;background:var(--lime)}.hero h1{font-size:clamp(2rem,4vw,3.7rem);line-height:1.2;margin:18px 0 0}.hero-art{background:url('hero.svg') center/cover no-repeat;min-height:330px;clip-path:polygon(18% 0,100% 0,100% 100%,0 100%)}.layout{max-width:1240px;margin:32px auto 70px;padding:0 24px;display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px}.toc{position:sticky;top:110px;align-self:start;background:var(--sky);border-radius:24px;padding:24px;color:white;box-shadow:var(--shadow)}.toc strong{display:block;font-size:1.1rem;margin-bottom:12px}.toc a{display:block;color:white;text-decoration:none;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.22);font-size:.92rem}.toc a:last-child{border:0}.article{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:30px;padding:clamp(26px,5vw,64px);box-shadow:var(--shadow)}.article>h1{display:none}.lead{font-size:1.12rem;color:#315b78;border-left:5px solid var(--sky);padding:6px 0 6px 22px}.article h2{display:flex;gap:14px;align-items:flex-start;color:var(--navy);font-size:clamp(1.45rem,2.6vw,2.15rem);line-height:1.35;margin:60px 0 20px;padding-top:16px;border-top:1px solid var(--line)}.article h2 span{flex:0 0 auto;color:var(--sky);font-size:.8rem;background:var(--mist);border-radius:9px;padding:7px 8px}.article h3{color:#0575b3;margin:32px 0 8px;font-size:1.25rem}.article p{margin:0 0 18px}.article a{color:#007bbd;font-weight:700}.article p:not(.lead):has(+ p){ }.table-wrap{overflow-x:auto;margin:28px 0;border-radius:18px;border:1px solid var(--line)}table{border-collapse:collapse;width:100%;min-width:560px;background:white}th{background:var(--navy);color:white;text-align:left;padding:15px}td{padding:14px 15px;border-bottom:1px solid var(--line);vertical-align:top}tbody tr:nth-child(even){background:var(--mist)}.site-footer{background:var(--navy);color:#d8edff;padding:54px 24px 24px}.footer-inner{max-width:1240px;margin:auto}.footer-grid{display:grid;grid-template-columns:220px 1fr;gap:48px}.footer-logo{width:150px;filter:brightness(0) invert(1)}.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px}.footer-links a{color:white;text-decoration:none}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:35px;padding-top:22px;text-align:center;font-size:.9rem}.backtop{position:fixed;right:22px;bottom:22px;width:45px;height:45px;border:0;border-radius:50%;background:var(--lime);color:var(--navy);font-weight:900;cursor:pointer;box-shadow:var(--shadow)}@media(max-width:900px){.menu-toggle{display:block}.menu{display:none;position:absolute;top:78px;left:16px;right:16px;background:white;padding:15px;border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.menu.open{display:flex}.hero-shell{grid-template-columns:1fr}.hero-copy{padding:45px 30px}.hero-art{min-height:210px;clip-path:polygon(0 18%,100% 0,100% 100%,0 100%)}.layout{grid-template-columns:1fr}.toc{position:relative;top:auto}.footer-grid{grid-template-columns:1fr}}@media(max-width:560px){.topbar,.hero,.layout{padding-left:15px;padding-right:15px}.hero h1{font-size:2rem}.article{border-radius:22px;padding:24px 20px}.article h2{margin-top:42px}.footer-links{display:grid;grid-template-columns:1fr 1fr}}