:root{
  --blue-900:#062a5b;--blue-800:#0b3c86;--blue-700:#0e4aa8;--blue-600:#1560d0;
  --blue-500:#2277e6;--blue-100:#e7f0fd;--gold:#f5b301;--gold-soft:#ffd75e;--line:#06c755;
  --purple:#5f1a91;--purple-light:#9d4edd;
  --ink:#0d1b34;--muted:#5b6b86;--white:#fff;--bg:#f4f8ff;
  --radius:16px;--shadow:0 10px 34px rgba(9,42,95,.10);--shadow-lg:0 20px 55px rgba(9,42,95,.20);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Prompt',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.font-head{font-family:'Kanit',sans-serif;line-height:1.2}
html[lang^="zh"] body{font-family:'Noto Sans SC','Prompt',system-ui,sans-serif}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3,html[lang^="zh"] h4,html[lang^="zh"] .sec-title,html[lang^="zh"] .brand b,html[lang^="zh"] .eyebrow,html[lang^="zh"] .trust .t b,html[lang^="zh"] .foot-col h4{font-family:'Noto Sans SC','Kanit',sans-serif}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:clamp(56px,8vw,84px) 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Kanit',sans-serif;color:var(--blue-700);background:var(--blue-100);font-weight:600;letter-spacing:.06em;font-size:.82rem;padding:7px 16px;border-radius:100px;margin-bottom:14px;text-transform:uppercase}
.sec-title{font-size:clamp(1.7rem,4.6vw,2.5rem);font-weight:700;color:var(--blue-900)}
.sec-title span{color:var(--gold)}
.sec-sub{color:var(--muted);max-width:660px;margin:14px auto 0;font-weight:300}
.center{text-align:center}
.icon{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.icon.fill{fill:currentColor;stroke:none}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== PROGRESS ===== */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--purple-light),var(--gold),var(--gold-soft));z-index:99;transition:width .1s linear}

/* ===== HEADER ===== */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(9,42,95,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--blue-900)}
.brand .logo{height:36px;width:auto;flex-shrink:0}
.brand b{font-family:'Kanit',sans-serif;font-size:clamp(.82rem,2.6vw,1rem);line-height:1.15;display:block;max-width:18ch}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:.62rem;letter-spacing:1.1px;white-space:nowrap}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{font-weight:400;color:var(--ink);font-size:.95rem;transition:.2s}
.nav-links a:hover{color:var(--blue-600)}
.nav-call{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff!important;padding:10px 18px;border-radius:40px;font-weight:600;font-size:.92rem;box-shadow:0 6px 16px rgba(21,96,208,.32)}
.nav-call .icon{font-size:1.05rem}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.langsw{display:flex;gap:2px;background:var(--blue-100);border-radius:100px;padding:3px;flex-shrink:0}
.langsw a{font-family:'Kanit','Noto Sans SC',sans-serif;font-size:.78rem;font-weight:600;color:var(--blue-800);padding:6px 11px;border-radius:100px;line-height:1;transition:.2s;white-space:nowrap}
.langsw a.on{background:var(--blue-700);color:#fff;box-shadow:0 3px 9px rgba(21,96,208,.3)}
.langsw a:hover:not(.on){background:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:3px;background:var(--blue-800);border-radius:3px;transition:.25s}

/* ===== HERO ===== */
.hero{position:relative;background:var(--blue-900)}
.slides{position:relative;width:100%;aspect-ratio:16/8;max-height:70vh;min-height:300px;overflow:hidden}
.slide-el{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.slide-el.active{opacity:1}
.slide-el img{width:100%;height:100%;object-fit:cover;object-position:center}
.slide-cap{position:absolute;left:0;right:0;bottom:0;padding:70px 24px 52px;text-align:center;color:#fff;background:linear-gradient(to top,rgba(6,42,91,.88),rgba(6,42,91,.25) 55%,transparent);z-index:3;pointer-events:none}
.slide-cap b{font-family:'Kanit',sans-serif;display:block;font-size:clamp(1.2rem,3.6vw,2.1rem);font-weight:600;text-shadow:0 2px 14px rgba(0,0,0,.4)}
.slide-cap i{font-style:normal;font-weight:300;font-size:clamp(.85rem,2.2vw,1.05rem);opacity:.9}
.dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:9px;z-index:5}
.dots button{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0;transition:.3s}
.dots button.on{background:#fff;width:28px;border-radius:8px}

.hero-cta{background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:#fff;padding:26px 0}
.hero-cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.hero-cta h1{font-size:clamp(1.25rem,3.3vw,1.95rem);font-weight:700;line-height:1.25}
.hero-cta h1 span{color:var(--gold)}
.hero-cta p{font-weight:300;opacity:.92;margin-top:4px;font-size:.98rem}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:44px;font-weight:600;font-size:1rem;transition:.25s;white-space:nowrap;border:0;cursor:pointer;font-family:inherit}
.btn .icon{font-size:1.15rem}
.btn:hover{transform:translateY(-2px)}
.btn-call{background:var(--gold);color:#3a2a00;box-shadow:0 8px 20px rgba(245,179,1,.4)}
.btn-line{background:var(--line);color:#fff;box-shadow:0 8px 20px rgba(6,199,85,.4)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}

/* ===== MARQUEE ===== */
.marquee{background:var(--blue-900);color:#fff;overflow:hidden;padding:11px 0;border-top:1px solid rgba(255,255,255,.08)}
.track{display:flex;width:max-content;animation:scroll 26s linear infinite;font-size:.92rem;font-weight:300}
.track span{white-space:nowrap;padding-right:14px}
.track i{color:var(--gold);font-style:normal;padding:0 6px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== TRUST ===== */
.trust{background:#fff;border-bottom:1px solid #e7eefc}
.trust .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:24px 20px;text-align:center}
.trust .t b{font-family:'Kanit',sans-serif;display:block;font-size:clamp(1.05rem,2.6vw,1.55rem);color:var(--blue-700);font-weight:700;line-height:1.15}
.trust .t span{font-size:.82rem;color:var(--muted)}
.trust .t-wide b{font-size:clamp(.92rem,2vw,1.16rem);text-wrap:balance}

/* ===== SERVICES ===== */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:20px;margin-top:44px}
.svc{position:relative;background:#fff;border-radius:var(--radius);padding:26px 22px 24px;box-shadow:var(--shadow);border:1px solid #eef3fc;transition:.28s;text-align:left;overflow:hidden}
.svc::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--purple),var(--blue-600),var(--gold))}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.svc .num{position:absolute;right:16px;top:16px;font-family:'Kanit',sans-serif;font-size:2.4rem;font-weight:700;color:var(--blue-100);line-height:1}
.svc .ic{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff;display:grid;place-items:center;font-size:1.5rem;margin-bottom:14px;box-shadow:0 8px 18px rgba(21,96,208,.28)}
.svc h3{font-size:1.12rem;font-weight:600;color:var(--blue-900);margin-bottom:6px}
.svc p{color:var(--muted);font-weight:300;font-size:.93rem}

/* ===== COVERAGE ===== */
.coverage{background:linear-gradient(180deg,#fff,#eef4ff)}
.chips{display:flex;flex-wrap:wrap;gap:11px;justify-content:center;margin-top:38px}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #dbe6fa;color:var(--blue-800);padding:11px 20px;border-radius:100px;font-size:.94rem;font-weight:500;box-shadow:0 4px 14px rgba(9,42,95,.06);transition:.22s}
.chip:hover{background:var(--blue-700);color:#fff;border-color:var(--blue-700);transform:translateY(-3px)}
.chip .icon{font-size:1rem;color:var(--gold)}
.chip:hover .icon{color:var(--gold-soft)}

/* ===== PRICE NOTE ===== */
.pricebox{background:#fff;border-radius:26px;box-shadow:var(--shadow-lg);border:1px solid #eef3fc;overflow:hidden;margin-top:40px;display:grid}
@media(min-width:860px){.pricebox{grid-template-columns:1.05fr 1fr}}
.pricebox .left{padding:clamp(28px,4vw,46px);border-bottom:1px solid #eef3fc}
@media(min-width:860px){.pricebox .left{border-bottom:0;border-right:1px solid #eef3fc}}
.pricebox h3{font-size:clamp(1.3rem,3.2vw,1.7rem);color:var(--blue-900);margin-bottom:12px}
.pricebox p{color:var(--muted);font-weight:300}
.pricebox ul{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:13px}
.pricebox li{display:flex;gap:11px;align-items:flex-start;font-size:.96rem}
.pricebox li .icon{color:var(--line);font-size:1.1rem;margin-top:4px}
.pricebox li b{color:var(--blue-800);font-weight:600}
.pricebox .right{padding:clamp(28px,4vw,46px);background:linear-gradient(160deg,var(--blue-900),var(--blue-700));color:#fff;display:flex;flex-direction:column;justify-content:center;gap:16px}
.pricebox .right h4{font-size:1.2rem;font-weight:600}
.pricebox .right p{color:rgba(255,255,255,.82)}
.pricebox .right .btn{justify-content:center}

/* ===== WHY ===== */
.why{background:var(--blue-900);color:#fff;position:relative;overflow:hidden}
.why::after{content:"";position:absolute;top:-120px;right:-120px;width:380px;height:380px;background:radial-gradient(circle,rgba(245,179,1,.16),transparent 70%)}
.why .sec-title{color:#fff}
.why .eyebrow{color:var(--gold);background:rgba(245,179,1,.14)}
.why .sec-sub{color:rgba(255,255,255,.75)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:44px;position:relative;z-index:2}
.why-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px 22px;transition:.25s;text-align:left}
.why-item:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.why-item .ic{width:48px;height:48px;border-radius:12px;background:rgba(245,179,1,.14);color:var(--gold);display:grid;place-items:center;font-size:1.5rem;margin-bottom:14px}
.why-item h4{font-size:1.06rem;font-weight:600;margin-bottom:6px}
.why-item p{color:rgba(255,255,255,.72);font-weight:300;font-size:.92rem}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:40px auto 0;display:flex;flex-direction:column;gap:12px}
.qa{background:#fff;border:1px solid #eef3fc;border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.qa summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:500;color:var(--blue-900);display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:1rem}
.qa summary::-webkit-details-marker{display:none}
.qa summary .icon{color:var(--blue-600);font-size:1.2rem;transition:.25s;flex-shrink:0}
.qa[open] summary .icon{transform:rotate(180deg)}
.qa .ans{padding:0 22px 20px;color:var(--muted);font-weight:300;font-size:.95rem}

/* ===== CTA BAND + CONTACT ===== */
.cta-band{background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:#fff;text-align:center;border-radius:30px;padding:clamp(38px,6vw,62px) clamp(24px,4vw,50px);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:22px 22px;opacity:.5}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.6rem,5.4vw,2.5rem);font-weight:700;margin-bottom:12px}
.cta-band h2 span{color:var(--gold)}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 28px}
.cta-band .cta-btns{justify-content:center}

.lang-block{margin-top:56px}
.lang-head{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:22px}
.lang-head b{font-family:'Kanit',sans-serif;font-size:1.15rem;color:var(--blue-900)}
.lang-head .flags{display:flex;gap:8px;flex-shrink:0}
.lang-head .flag{width:34px;height:24px;border-radius:5px;overflow:hidden;box-shadow:0 2px 8px rgba(9,42,95,.18);flex-shrink:0}
.contact-grid{display:grid;gap:14px}
@media(min-width:560px){.contact-grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.contact-grid{grid-template-columns:repeat(3,1fr)}}
.contact-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:11px;background:#fff;border-radius:20px;padding:28px 20px;box-shadow:var(--shadow);border:1px solid #eef3fc;transition:transform .2s}
.contact-card:hover{transform:translateY(-5px)}
.contact-card .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;color:#fff}
.contact-card .ic svg{width:28px;height:28px}
.ic-phone{background:linear-gradient(135deg,var(--blue-700),var(--blue-500))}
.ic-line{background:#06C755}
.ic-fb{background:#1877F2}
.contact-card b{font-family:'Kanit',sans-serif;color:var(--blue-900);font-size:.8rem;letter-spacing:.05em;text-transform:uppercase}
.contact-card span{color:var(--muted);font-size:1.02rem;font-weight:500;word-break:break-word}
.contact-card em{font-style:normal;font-size:.82rem;color:var(--blue-600);font-weight:500}

/* ===== FOOTER ===== */
footer{background:var(--blue-900);color:#fff;padding:52px 0 100px}
.foot-top{display:grid;gap:28px}
@media(min-width:760px){.foot-top{grid-template-columns:1.5fr 1fr 1fr}}
.foot-brand{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.foot-brand .logo{height:46px;width:auto;flex-shrink:0}
.foot-brand b{font-family:'Kanit',sans-serif;font-size:1.15rem;line-height:1.2}
.foot-brand b small{display:block;font-weight:400;font-size:.72rem;color:var(--gold);letter-spacing:.04em;margin-top:3px}
.foot-top p{color:rgba(255,255,255,.7);font-size:.93rem;font-weight:300}
.foot-col h4{font-family:'Kanit',sans-serif;font-size:1rem;margin-bottom:14px;color:var(--gold)}
.foot-col a{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.76);font-size:.91rem;margin-bottom:9px;transition:color .2s}
.foot-col a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;text-align:center;color:rgba(255,255,255,.6);font-size:.86rem;font-weight:300}

/* ===== FLOATING CONTACT RAILS ===== */
.rail{position:fixed;top:50%;transform:translateY(-50%);z-index:58;display:flex;flex-direction:column;align-items:center;gap:9px;padding:10px 8px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 10px 30px rgba(9,42,95,.20)}
.rail-left{left:0;border-radius:0 20px 20px 0;border-left:0}
.rail-right{right:0;border-radius:20px 0 0 20px;border-right:0}
.rail .lbl{display:flex;flex-direction:column;align-items:center;gap:4px;font-family:'Kanit',sans-serif;font-size:.6rem;font-weight:600;color:var(--blue-900);letter-spacing:.04em;line-height:1;padding-bottom:3px;border-bottom:1px solid #e3ecfa;width:100%}
.rail .lbl .flags{display:flex;gap:3px}
.rail .lbl .flag{width:18px;height:12px;border-radius:3px;overflow:hidden;box-shadow:0 1px 4px rgba(9,42,95,.25);display:block}
.rail a{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 5px 14px rgba(0,0,0,.2);transition:transform .2s}
.rail a:hover{transform:scale(1.12)}
.rail a svg{width:22px;height:22px}
.r-phone{background:linear-gradient(135deg,var(--blue-700),var(--blue-500))}
.r-line{background:#06C755}
.r-fb{background:#1877F2}

/* ===== MOBILE BAR + TOP ===== */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);box-shadow:0 -6px 24px rgba(9,42,95,.14);padding:9px 12px;gap:9px}
.mbar a{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px;border-radius:14px;font-weight:600;font-size:.95rem}
.mbar .c{background:var(--gold);color:#3a2a00}
.mbar .l{background:var(--line);color:#fff}
.totop{position:fixed;right:18px;bottom:96px;z-index:55;width:46px;height:46px;border-radius:50%;background:var(--blue-700);color:#fff;display:grid;place-items:center;box-shadow:0 8px 22px rgba(9,42,95,.3);opacity:0;pointer-events:none;transition:.3s;border:0;cursor:pointer}
.totop.show{opacity:1;pointer-events:auto}
.totop svg{width:20px;height:20px}

@media(max-width:940px){
  .nav-links{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;box-shadow:0 18px 30px rgba(9,42,95,.14);transform:translateY(-140%);transition:transform .3s;max-height:calc(100vh - 72px);overflow:auto}
  .nav-links.open{transform:none}
  .nav-links a{padding:13px 4px;border-bottom:1px solid #eef3fc}
  .nav-call{justify-content:center;margin-top:12px;border-bottom:0!important}
  .burger{display:flex}
  .mbar{display:flex}
  .trust .wrap{grid-template-columns:repeat(2,1fr);gap:16px 10px}
  .trust .t:last-child{grid-column:span 2}
  .hero-cta .wrap{flex-direction:column;align-items:flex-start}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1;justify-content:center}
  .slides{aspect-ratio:3/2;max-height:58vh}
  .brand .logo{height:30px}
  .langsw a{font-size:.72rem;padding:5px 9px}
  .rail{gap:7px;padding:8px 5px}
  .rail a{width:38px;height:38px}
  .rail a svg{width:19px;height:19px}
  .rail .lbl{font-size:.54rem}
  .rail .lbl .flag{width:15px;height:10px}
}
@media(max-width:520px){
  .rail .r-fb{display:none}
  .brand small{display:none}
  .brand b{max-width:14ch}
  .langsw a{font-size:.68rem;padding:5px 7px}
}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}