:root{color-scheme:light;--bg:#edfaff;--panel:rgba(255,255,255,.9);--text:#12375b;--muted:#607b93;--primary:#168fe5;--primary-dark:#0873c7;--border:rgba(28,132,204,.18);--shadow:0 16px 44px rgba(21,107,160,.16);--soft:0 8px 24px rgba(21,107,160,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans Thai",Tahoma,system-ui,sans-serif;color:var(--text);background:linear-gradient(180deg,#dff6ff,#f8fdff 45%,#edfaff);overflow-x:hidden}a{color:inherit;text-decoration:none}.shell{width:min(1160px,calc(100% - 32px));margin:auto}.skip-link{position:fixed;top:-80px;left:12px;background:#fff;padding:10px;z-index:50}.skip-link:focus{top:12px}.site-header{position:relative;padding:24px 0 14px;display:flex;align-items:center;justify-content:center}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:linear-gradient(145deg,#54bdff,#0b70ca);color:#fff;font-weight:950;font-size:1.15rem;box-shadow:var(--soft)}.brand b{display:block;font-size:clamp(1.8rem,5vw,3rem);line-height:1;color:#126ebc}.brand small{display:block;font-size:.7rem;letter-spacing:.08em;color:#4b7da6;margin-top:5px}.theme-toggle,.icon-button{border:1px solid var(--border);background:var(--panel);color:var(--text);box-shadow:var(--soft);cursor:pointer}.theme-toggle{position:absolute;right:0;border-radius:999px;padding:9px 13px}.menu-button{display:none;position:absolute;left:0;width:42px;height:42px;border-radius:12px}.mobile-menu{display:none}.section{padding:27px 0}.section-heading{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px}.section-heading h1,.section-heading h2{margin:0;color:var(--primary-dark);font-size:clamp(1.35rem,3vw,1.8rem)}.image-card{display:block;background:var(--panel);padding:8px;border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.image-card img{display:block;width:100%;height:auto;border-radius:19px}.hero-image{max-width:900px;margin:auto}.hero-actions{display:flex;align-items:center;justify-content:center;gap:15px;flex-wrap:wrap;margin-top:17px}.hero-actions span{color:var(--muted);font-weight:700}.primary-button{display:inline-flex;justify-content:center;padding:12px 22px;background:linear-gradient(#28a7ff,#087bd5);color:#fff;border-radius:999px;font-weight:900;box-shadow:0 9px 22px rgba(8,123,213,.28);transition:.2s}.primary-button:hover{transform:translateY(-2px)}.feature-layout{display:grid;grid-template-columns:minmax(0,.95fr) minmax(260px,.55fr);gap:28px;align-items:center}.feature-layout.reverse{grid-template-columns:minmax(260px,.55fr) minmax(0,.95fr)}.feature-copy{background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:28px;box-shadow:var(--soft)}.feature-copy h3{font-size:clamp(1.5rem,3vw,2.2rem);margin:12px 0 8px}.feature-copy p{color:var(--muted);line-height:1.75}.eyebrow{display:inline-block;padding:6px 13px;background:#e1f4ff;color:#0873c7;border-radius:999px;font-weight:900}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.contact-card{min-height:76px;border-radius:17px;padding:14px 18px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;border:1px solid;box-shadow:var(--soft);transition:.2s}.contact-card:hover,.social-grid a:hover,.service-card:hover{transform:translateY(-3px)}.contact-card span:nth-child(2){display:flex;flex-direction:column}.contact-card small{opacity:.75}.contact-card i{font-style:normal;font-size:1.35rem}.contact-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:#fff;font-size:.68rem;font-weight:900}.line-main{background:#dcffeb;border-color:#4ee489;color:#08783b}.line-backup{background:#fff3c7;border-color:#ffd05b;color:#9c5b00}.line-personal{background:#dcedff;border-color:#75bfff;color:#0962af}.social-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.social-grid a{background:var(--panel);border:1px solid var(--border);border-radius:17px;padding:16px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:11px;align-items:center;box-shadow:var(--soft);transition:.2s}.social-grid a>span{grid-row:1/3;width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:#fff;font-size:1.3rem;font-weight:900}.social-grid small,.service-card small{color:var(--muted)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.service-card{min-height:145px;background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--soft);display:flex;flex-direction:column;position:relative;transition:.2s}.service-card>span{font-size:2rem}.service-card b{margin-top:10px}.service-card small{margin-top:5px;line-height:1.5}.service-card i{position:absolute;right:18px;bottom:12px;font-style:normal;font-size:1.8rem;color:var(--primary)}.trust-strip{margin:30px 0 10px;padding:18px;background:var(--panel);border:1px solid var(--border);border-radius:21px;box-shadow:var(--soft);display:grid;grid-template-columns:repeat(3,1fr);gap:12px;text-align:center}.trust-strip div{display:flex;flex-direction:column;gap:4px}.trust-strip span{font-size:1.8rem}.trust-strip small{color:var(--muted)}.site-footer{margin-top:34px;padding:30px 20px;text-align:center;color:#fff;background:linear-gradient(180deg,#42b5ef,#168fd8)}.site-footer p{font-weight:900;margin:0 0 4px}.back-to-top{position:fixed;right:18px;bottom:18px;width:45px;height:45px;border:0;border-radius:50%;background:var(--primary);color:#fff;font-size:1.3rem;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s}.back-to-top.visible{opacity:1;pointer-events:auto;transform:none}:focus-visible{outline:3px solid #ffbf48;outline-offset:3px}html[data-theme=dark]{color-scheme:dark;--bg:#06192a;--panel:rgba(12,39,63,.92);--text:#eef8ff;--muted:#afc9dc;--primary:#39adff;--primary-dark:#7bcaff;--border:rgba(120,198,255,.18);--shadow:0 16px 44px rgba(0,0,0,.38);--soft:0 8px 22px rgba(0,0,0,.28)}html[data-theme=dark] body{background:linear-gradient(180deg,#03101e,#08243b)}html[data-theme=dark] .brand b{color:#73c5ff}html[data-theme=dark] .eyebrow{background:#0d365d;color:#9dd7ff}html[data-theme=dark] .line-main{background:#0d4839;color:#7ff0b7}html[data-theme=dark] .line-backup{background:#59440d;color:#ffe381}html[data-theme=dark] .line-personal{background:#0d365d;color:#86c9ff}html[data-theme=dark] .social-grid a>span{background:#102f4a}@media(max-width:850px){.shell{width:min(100% - 24px,700px)}.menu-button{display:block}.theme-label{display:none}.mobile-menu{position:absolute;top:72px;left:0;right:0;z-index:10;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:10px;grid-template-columns:1fr 1fr;gap:6px}.mobile-menu.open{display:grid}.mobile-menu a{padding:10px}.feature-layout,.feature-layout.reverse{grid-template-columns:1fr}.feature-layout.reverse .feature-copy{order:2}.contact-grid{grid-template-columns:1fr}.social-grid{grid-template-columns:repeat(2,1fr)}.service-grid{grid-template-columns:repeat(2,1fr)}.trust-strip{grid-template-columns:1fr}}@media(max-width:520px){.shell{width:min(100% - 18px,440px)}.brand-mark{width:46px;height:46px;border-radius:14px}.brand b{font-size:1.55rem}.brand small{font-size:.55rem}.section{padding:21px 0}.image-card{padding:5px;border-radius:18px}.image-card img{border-radius:13px}.feature-copy{padding:20px}.social-grid{gap:9px}.social-grid a{padding:11px 8px;column-gap:8px}.social-grid a>span{width:36px;height:36px}.social-grid b{font-size:.82rem}.social-grid small{font-size:.7rem}.service-grid{grid-template-columns:1fr;gap:9px}.service-card{min-height:0;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:13px 14px}.service-card>span{font-size:1.6rem}.service-card b{margin:0}.service-card i{position:static}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important;transition:none!important}}