/* Accordion navigation */
.topic-sidebar .sidebar-submenu{display:none;margin:5px 0 1px;padding:0 0 0 9px}.topic-sidebar .sidebar-group.is-open .sidebar-submenu{display:grid;gap:3px}.topic-sidebar .group-title{align-items:center;background:transparent;border:0;border-radius:8px;color:#fff;cursor:pointer;display:flex;font:600 16px 'Kanit',sans-serif;gap:10px;justify-content:space-between;min-height:46px;padding:11px 12px;text-align:left;width:100%}.topic-sidebar .group-title:hover,.topic-sidebar .group-title:focus-visible,.topic-sidebar .sidebar-group.is-open .group-title{background:#07519f;outline:none}.topic-sidebar .group-title span{align-items:center;border:1px solid rgba(255,255,255,.45);border-radius:50%;display:inline-flex;font-size:17px;height:23px;justify-content:center;line-height:1;transition:transform .2s ease;width:23px}.topic-sidebar .sidebar-submenu a{align-items:center;background:transparent;border-radius:8px;color:#eaf7ff;display:flex;font-size:14px;gap:10px;min-height:42px;padding:9px 11px;text-decoration:none}.topic-sidebar .sidebar-submenu a:hover,.topic-sidebar .sidebar-submenu a:focus-visible,.topic-sidebar .sidebar-submenu a.active{background:#338fbe;color:#fff;outline:none}.topic-sidebar .sidebar-submenu a.active{font-weight:600}.sidebar-group.is-open .group-title span{transform:rotate(180deg)}
@media(max-width:760px){.topic-sidebar{box-shadow:none!important;max-height:none!important;min-height:auto!important;position:relative!important;top:auto!important;width:100%!important}.topic-main{margin-left:0!important;padding:55px 24px!important}}
*{box-sizing:border-box}body{margin:0;background:#f7f5f1;color:#171717;font-family:'Kanit',sans-serif}.topbar{align-items:center;background:#fff;display:flex;justify-content:space-between;padding:18px clamp(24px,8vw,120px)}
.topic-sidebar{background:#126f9e;box-shadow:2px 0 18px rgba(8,52,75,.12);color:#fff;display:flex;flex-direction:column;gap:4px;left:0;min-height:calc(100vh - 70px);overflow-y:auto;padding:14px 12px;position:fixed;top:70px;width:280px;z-index:3}
.topic-sidebar>a{align-items:center;border-radius:8px;color:#fff;display:flex;font-size:15px;gap:10px;min-height:46px;padding:11px 12px;text-decoration:none;transition:background-color .18s ease,color .18s ease}
.topic-sidebar>a:hover,.topic-sidebar>a:focus-visible,.topic-sidebar>a.active{background:#0b557d;color:#fff;outline:none}.topic-sidebar>a.active{box-shadow:inset 3px 0 0 #ff9b69;font-weight:600}
.topic-sidebar i{font-style:normal;width:18px}
.topic-sidebar .group-title{background:#07519f;font-weight:600}
.sidebar-group{border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:4px}
.topic-main{margin-left:280px;max-width:none;padding:90px clamp(24px,8vw,120px)}
*{box-sizing:border-box}body{margin:0;background:#f7f5f1;color:#171717;font-family:'Kanit',sans-serif}.topbar{align-items:center;background:#fff;display:flex;justify-content:space-between;padding:18px clamp(24px,8vw,120px)}.brand{align-items:center;color:inherit;display:flex;gap:11px;text-decoration:none}.brand-mark{align-items:center;background:#f4511e;color:#fff;display:flex;font:bold 13px 'Space Grotesk',sans-serif;height:34px;justify-content:center;width:39px}.brand strong,.brand small{display:block;font-family:'Space Grotesk',sans-serif;line-height:1}.brand strong{font-size:17px;letter-spacing:.08em}.brand small{color:#77736f;font-size:8px;letter-spacing:.2em;margin-top:4px}.back{color:#f4511e;text-decoration:none}.topic-main{margin:0 auto;max-width:920px;padding:90px 24px}.eyebrow{color:#f4511e;font:12px 'Space Grotesk',sans-serif;letter-spacing:.14em;text-transform:uppercase}.topic-main h1{font:700 clamp(48px,8vw,88px)/.95 'Space Grotesk',sans-serif;letter-spacing:-.06em;margin:22px 0}.topic-main h1 em{color:#f4511e;font-style:normal}.topic-main>p{color:#77736f;font-size:17px;line-height:1.8;max-width:560px}.topic-content{background:#fff;border-top:4px solid #f4511e;margin-top:48px;padding:32px}.topic-content h2{font:600 28px 'Space Grotesk',sans-serif}.topic-content p,.topic-content li{color:#5e5a56;line-height:1.8}.topic-content ul{padding-left:22px}.topic-button{background:#f4511e;color:#fff;display:inline-block;margin-top:18px;padding:13px 22px;text-decoration:none}