:root{
  --navy:#071f49;
  --navy2:#0a316f;
  --blue:#087de6;
  --blue2:#18a8f5;
  --ice:#eaf8ff;
  --ice2:#f6fbff;
  --red:#ed174c;
  --green:#06c755;
  --green2:#02b84d;
  --ink:#0a2348;
  --text:#29435f;
  --muted:#61758b;
  --line:#dce9f4;
  --white:#fff;
  --shadow:0 24px 65px rgba(7,31,73,.13);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Leelawadee UI","Noto Sans Thai",Tahoma,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:12px;top:12px;z-index:999;background:#fff;padding:10px 14px;border-radius:10px}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(7,31,73,.08)}
.header-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-lockup{display:flex;align-items:center;gap:11px;text-decoration:none;min-width:0}
.company-logo{width:48px;height:48px;object-fit:contain}
.brand-divider{width:1px;height:30px;background:#dce8f4}
.header-model{display:flex;flex-direction:column;line-height:1.05}.header-model strong{font-size:16px;letter-spacing:.035em}.header-model small{font-size:10px;color:var(--muted);margin-top:5px;font-weight:800;letter-spacing:.08em}
.header-cta{display:inline-flex;align-items:center;gap:8px;text-decoration:none;background:var(--green);color:#fff;font-weight:900;border-radius:999px;padding:10px 15px;box-shadow:0 9px 24px rgba(6,199,85,.2);white-space:nowrap}
.line-chip,.line-badge{display:inline-grid;place-items:center;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.24);border-radius:8px;font-size:11px;font-weight:900;padding:2px 7px}

.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 18%,rgba(64,186,255,.22),transparent 34%),linear-gradient(145deg,#ffffff 0%,#f4faff 58%,#e8f6ff 100%);padding:58px 0 52px}
.hero:before{content:"";position:absolute;left:-120px;bottom:-260px;width:620px;height:620px;border-radius:50%;background:rgba(17,139,239,.08)}
.hero-watermark{position:absolute;right:-40px;bottom:-65px;font-size:240px;font-weight:1000;letter-spacing:-.08em;color:rgba(9,74,149,.035);line-height:1;user-select:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.07fr .93fr;gap:52px;align-items:center}
.hero-copy{min-width:0}
.hero-logo-row{display:flex;align-items:center;gap:13px;margin-bottom:14px}.product-logo{width:58px;height:58px;object-fit:contain}.model-tag{display:block;font-size:13px;color:var(--blue);font-weight:1000;letter-spacing:.04em}.model-sub{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-top:2px}
.hero h1{font-size:clamp(42px,4.7vw,64px);line-height:1.16;letter-spacing:-.032em;margin:0 0 16px;text-wrap:balance}.hero-title{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.hero-title-logo{width:148px;height:auto;object-fit:contain}.hero-title-text{color:var(--navy)!important}.hero h1 .accent{color:var(--blue)!important}
.hero-lead{font-size:19px;line-height:1.75;color:#415a73;margin:0 0 22px;max-width:720px}.hero-lead strong{color:var(--ink)}
.buy-box{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:12px;background:#fff;border:1px solid #cfe5f6;border-radius:22px;padding:12px;box-shadow:0 18px 46px rgba(9,55,112,.1);margin:0 0 18px}
.price-wrap{padding:4px 10px 4px 7px;display:flex;flex-direction:column;justify-content:center;min-width:0}.price-label{font-size:12px;font-weight:900;color:var(--blue);letter-spacing:.03em}.price-value{font-size:clamp(25px,3vw,36px);line-height:1.18;color:var(--navy);margin:3px 0}.price-note{font-size:12px;color:var(--muted);line-height:1.45}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:12px 20px;border-radius:15px;text-decoration:none;font-weight:900;text-align:center;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease}.btn:hover{transform:translateY(-1px)}
.btn-line{background:linear-gradient(135deg,var(--green),var(--green2));color:#fff;box-shadow:0 12px 26px rgba(6,199,85,.22)}.btn-line small{display:block;font-size:11px;font-weight:700;opacity:.92;margin-top:1px}.btn-line b{display:block;line-height:1.2}.btn-hero{min-width:260px}.btn-white{background:#fff;color:var(--navy);box-shadow:0 12px 28px rgba(0,0,0,.12);min-width:220px}.btn-large{min-height:62px;padding-inline:26px}
.phone-contact-row{display:flex;align-items:center;flex-wrap:wrap;gap:7px 10px;margin:0 0 15px;padding:10px 13px;border:1px solid #d7e8f5;background:rgba(255,255,255,.78);border-radius:14px;width:max-content;max-width:100%;box-shadow:0 6px 18px rgba(7,31,73,.04)}.phone-contact-row:before{content:"☎";color:var(--blue);font-size:16px}.phone-contact-row .phone-label{font-size:12px;color:var(--muted);font-weight:900}.phone-contact-row a{font-size:14px;color:var(--navy);font-weight:1000;text-decoration:none}.phone-contact-row a:hover{color:var(--blue)}.phone-sep{color:#aac0d4}
.spec-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}.spec-pills span{background:rgba(255,255,255,.8);border:1px solid #d9e8f4;color:#3a5570;border-radius:999px;padding:7px 11px;font-size:12px;box-shadow:0 5px 14px rgba(7,31,73,.04)}.spec-pills b{color:var(--navy)}
.hero-assurance{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:15px;color:#526a80;font-size:12px;font-weight:700}.hero-assurance span:before{color:var(--green)}

.product-stage{position:relative;justify-self:end;width:min(100%,455px);height:625px;border-radius:34px;overflow:hidden;background:linear-gradient(180deg,#fafdff 0%,#eef8ff 100%);box-shadow:0 34px 80px rgba(0,20,50,.16);border:1px solid rgba(255,255,255,.92);isolation:isolate}
.stage-glow{display:none}
.product-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;mix-blend-mode:normal}
.stage-topline{position:absolute;left:22px;right:22px;top:20px;z-index:2;display:flex;align-items:center;justify-content:space-between;color:#fff}.stage-topline span{font-size:12px;font-weight:1000;letter-spacing:.12em;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);padding:7px 10px;border-radius:999px}.stage-topline b{font-size:12px;letter-spacing:.05em;color:#a8dcff}
.stage-spec{position:absolute;z-index:2;min-width:106px;background:rgba(3,14,27,.76);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);color:#fff;border-radius:15px;padding:10px 12px;box-shadow:0 12px 30px rgba(0,0,0,.18)}.stage-spec b{display:block;font-size:15px;line-height:1.1}.stage-spec span{display:block;font-size:10px;opacity:.75;margin-top:4px}.stage-hot{left:16px;top:108px}.stage-cold{right:16px;top:180px}.stage-ice{left:16px;bottom:22px}

.quick-proof{background:linear-gradient(90deg,#062354,#0b4d9a);color:#fff;padding:18px 0}.quick-proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15);border-radius:17px;overflow:hidden}.quick-proof-grid>div{background:rgba(7,39,88,.95);padding:13px 16px;text-align:center}.quick-proof-grid strong{display:block;font-size:18px;line-height:1.25}.quick-proof-grid span{display:block;font-size:11px;opacity:.78;margin-top:2px}

.section{padding:82px 0}.section-heading{max-width:820px;margin:0 auto 38px;text-align:center}.section-heading.left{text-align:left;margin:0 0 24px}.section-heading.compact{margin-bottom:30px}.eyebrow{display:inline-block;font-size:12px;font-weight:1000;color:var(--blue);letter-spacing:.04em;background:#eaf6ff;border:1px solid #d3ebfb;border-radius:999px;padding:6px 10px}.eyebrow.light{color:#c7e8ff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.15)}
.section-heading h2,.office-copy h2,.mid-cta-box h2,.final-grid h2{font-size:clamp(31px,4vw,47px);line-height:1.28;letter-spacing:-.025em;margin:10px 0 12px;text-wrap:balance}.section-heading p,.office-copy>p,.mid-cta-box p,.final-grid p{margin:0;color:var(--muted);font-size:17px;line-height:1.75}
.problem-solution{background:#fff}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.benefit-card{border:1px solid var(--line);border-radius:22px;padding:26px;background:#fff;box-shadow:0 12px 38px rgba(7,31,73,.06)}.benefit-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;font-size:23px;font-weight:1000}.hot-card .benefit-icon{background:#fff0f4;color:var(--red)}.cold-card .benefit-icon{background:#eaf6ff;color:var(--blue)}.ice-card .benefit-icon{background:#eefaff;color:#149bcf}.benefit-card h3{font-size:21px;margin:15px 0 7px}.benefit-card p{margin:0;color:var(--muted);font-size:15px}

.office-section{background:linear-gradient(180deg,#f7fbff,#eef8ff)}.office-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.office-copy h2{margin-top:10px}.check-list{list-style:none;margin:24px 0 18px;padding:0;display:grid;gap:13px}.check-list li{position:relative;padding-left:31px;color:#405a73;font-size:15px}.check-list li:before{content:"✓";position:absolute;left:0;top:2px;width:21px;height:21px;display:grid;place-items:center;border-radius:50%;background:#e3f9ec;color:#00a84a;font-size:12px;font-weight:1000}.check-list b{color:var(--ink)}.inline-cta{display:inline-block;color:var(--blue);font-weight:1000;text-decoration:none;margin-top:4px}.info-visual{max-width:390px;justify-self:center;background:#fff;padding:11px;border-radius:27px;box-shadow:var(--shadow);border:1px solid rgba(8,125,230,.08)}.info-visual img{border-radius:19px}

.trust-section{background:#fff}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.trust-grid article{position:relative;border:1px solid var(--line);border-radius:20px;padding:24px 20px 21px;background:linear-gradient(180deg,#fff,#fbfdff);overflow:hidden}.trust-no{display:inline-block;font-size:11px;font-weight:1000;letter-spacing:.08em;color:var(--blue);background:#eaf6ff;border-radius:999px;padding:4px 8px}.trust-grid h3{font-size:18px;margin:13px 0 6px}.trust-grid p{font-size:14px;color:var(--muted);margin:0}

.mid-cta{padding:8px 0 18px}.mid-cta-box{display:flex;align-items:center;justify-content:space-between;gap:32px;background:linear-gradient(135deg,#082a62,#087de6);border-radius:27px;padding:36px 40px;color:#fff;box-shadow:0 20px 50px rgba(8,66,138,.22)}.mid-cta-box h2{margin:5px 0 8px;font-size:clamp(28px,3.5vw,40px)}.mid-cta-box p{color:rgba(255,255,255,.82);font-size:15px;max-width:700px}.cta-kicker{font-size:11px;font-weight:1000;letter-spacing:.09em;color:#bde4ff}

.faq-section{padding-top:72px}.faq-wrap{max-width:920px}.faq-list{display:grid;gap:10px}details{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}summary{cursor:pointer;list-style:none;font-weight:900;font-size:16px;padding:18px 54px 18px 20px;position:relative;line-height:1.5}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:17px;top:14px;width:30px;height:30px;border-radius:50%;background:#edf6ff;color:var(--blue);display:grid;place-items:center;font-size:19px;font-weight:900}details[open] summary:after{content:"−"}details p{margin:0;padding:0 20px 19px;color:var(--muted);font-size:15px}

.final-cta{background:linear-gradient(145deg,#071f49,#0a458b);color:#fff;padding:64px 0 72px}.final-grid{display:flex;align-items:center;justify-content:space-between;gap:40px}.final-grid h2{margin:9px 0 8px}.final-grid p{color:rgba(255,255,255,.74);font-size:16px;max-width:670px}
.site-footer{background:#04142f;color:#fff;padding:28px 0 32px}.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{width:42px;height:42px;object-fit:contain}.footer-brand strong{display:block;font-size:14px}.footer-brand span{display:block;color:rgba(255,255,255,.58);font-size:11px}.footer-contact{display:flex;align-items:center;justify-content:flex-end;gap:10px 14px;flex-wrap:wrap}.footer-line,.footer-phone{font-size:13px;font-weight:900;text-decoration:none}.footer-phone{color:#fff}.footer-phone:before{content:"☎ ";color:#78c8ff}.footnote{margin-top:17px;color:rgba(255,255,255,.47);font-size:10px;line-height:1.55;max-width:900px}
.mobile-sticky{display:none}

@media (max-width:1080px){
  .container{width:min(100% - 32px,1040px)}
  .hero{padding-top:46px}.hero-grid{gap:32px;grid-template-columns:1.05fr .95fr}.hero h1{font-size:44px;line-height:1.2}.hero-lead{font-size:17px}.product-stage{height:540px;max-width:410px}.buy-box{grid-template-columns:1fr}.btn-hero{min-width:0;width:100%}.price-value{font-size:30px}.stage-spec{min-width:96px}.office-grid{gap:38px}.trust-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:820px){
  .header-inner{min-height:64px}.company-logo{width:42px;height:42px}.header-model strong{font-size:14px}.header-cta{font-size:13px;padding:9px 12px}
  .hero{padding:24px 0 36px}.hero-grid{grid-template-columns:1fr;gap:18px}.product-stage{order:-1;justify-self:center;width:min(100%,520px);height:350px;border-radius:26px}.product-image{width:72%;height:94%}.stage-topline{top:14px;left:16px;right:16px}.stage-spec{padding:8px 10px;border-radius:13px;min-width:92px}.stage-hot{left:12px;top:78px}.stage-cold{right:12px;top:118px}.stage-ice{left:12px;bottom:16px}
  .hero-copy{display:flex;flex-direction:column}.buy-box{order:-1;margin:0 0 18px;grid-template-columns:1fr auto}.btn-hero{width:auto;min-width:250px}.hero-logo-row{margin-top:2px}.hero h1{font-size:40px;line-height:1.28;margin-bottom:12px}.hero-title-logo{width:128px}.hero-lead{font-size:16px;line-height:1.75;margin-bottom:18px}.spec-pills{gap:7px}.hero-assurance{font-size:11px}
  .quick-proof-grid{grid-template-columns:repeat(2,1fr)}.section{padding:64px 0}.benefit-grid{grid-template-columns:1fr}.office-grid{grid-template-columns:1fr;gap:30px}.info-visual{max-width:360px}.mid-cta-box,.final-grid{flex-direction:column;align-items:flex-start}.btn-white{width:100%}.final-grid .btn{width:100%}
}

@media (max-width:600px){
  body{padding-bottom:128px}.container{width:min(100% - 24px,560px)}
  .site-header{position:sticky}.header-inner{min-height:58px}.company-logo{width:37px;height:37px}.brand-divider{height:25px}.header-model small{display:none}.header-cta{padding:8px 10px;font-size:12px}.header-cta .line-chip{display:none}
  .hero{padding:14px 0 28px}.hero-watermark{display:none}.hero-grid{gap:12px}.product-stage{height:268px;width:100%;border-radius:22px}.product-image{width:70%;height:94%}.stage-topline{top:10px}.stage-topline span,.stage-topline b{font-size:9px}.stage-spec{min-width:80px;padding:7px 8px;border-radius:11px}.stage-spec b{font-size:12px}.stage-spec span{font-size:9px}.stage-hot{top:62px;left:8px}.stage-cold{top:98px;right:8px}.stage-ice{left:8px;bottom:10px}
  .buy-box{grid-template-columns:1fr;gap:8px;padding:10px;border-radius:18px;margin-bottom:14px}.price-wrap{padding:2px 6px}.price-label{font-size:11px}.price-value{font-size:27px}.price-note{font-size:11px}.btn-hero{min-width:0;width:100%;min-height:54px;padding:10px 13px;border-radius:13px}.btn-hero b{font-size:15px}.btn-hero small{font-size:10px}
  .hero-logo-row{gap:9px;margin-bottom:8px}.product-logo{width:44px;height:44px}.model-tag{font-size:11px}.model-sub{font-size:10px}.hero h1{font-size:30px;line-height:1.32;letter-spacing:-.02em;margin-bottom:9px;text-wrap:pretty}.hero-title{gap:7px}.hero-title-logo{width:104px}.phone-contact-row{width:100%;justify-content:center;margin-bottom:12px;padding:9px 10px}.phone-contact-row .phone-label{width:100%;text-align:center;font-size:10px}.phone-contact-row a{font-size:13px}.hero-lead{font-size:15px;line-height:1.75;margin-bottom:14px}.spec-pills span{font-size:10px;padding:6px 8px}.hero-assurance{display:grid;gap:3px;margin-top:10px}
  .quick-proof{padding:10px 0}.quick-proof-grid{border-radius:12px}.quick-proof-grid>div{padding:10px 7px}.quick-proof-grid strong{font-size:15px}.quick-proof-grid span{font-size:9px}
  .section{padding:52px 0}.section-heading{text-align:left;margin-bottom:24px}.section-heading h2,.office-copy h2,.mid-cta-box h2,.final-grid h2{font-size:27px;line-height:1.38;letter-spacing:-.015em}.section-heading p,.office-copy>p{font-size:15px;line-height:1.75}.benefit-card{padding:21px;border-radius:18px}.benefit-card h3{font-size:18px}.benefit-card p{font-size:14px}.info-visual{max-width:300px}
  .trust-grid{grid-template-columns:1fr}.trust-grid article{padding:20px}.mid-cta{padding-inline:0}.mid-cta-box{padding:26px 20px;border-radius:21px;gap:20px}.mid-cta-box p{font-size:14px}.faq-section{padding-top:50px}summary{font-size:15px;padding:16px 48px 16px 17px}summary:after{right:14px;top:12px}details p{font-size:14px;padding:0 17px 17px}.final-cta{padding:50px 0 58px}.footer-grid{align-items:flex-start;flex-direction:column;gap:14px}.footer-contact{justify-content:flex-start;gap:8px 12px}
  .mobile-sticky{display:block;position:fixed;left:8px;right:8px;bottom:8px;z-index:120;background:#fff;border:1px solid rgba(7,31,73,.12);border-radius:16px;padding:7px;box-shadow:0 14px 36px rgba(0,0,0,.22)}.sticky-price{display:flex;align-items:center;gap:7px;padding:2px 5px 7px;min-width:0}.sticky-price small{font-size:9px;color:var(--muted);font-weight:900;line-height:1.2}.sticky-price b{font-size:11px;line-height:1.3;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sticky-actions{display:grid;grid-template-columns:1fr 1fr 1.08fr;gap:6px}.sticky-actions a{min-width:0;min-height:49px;border-radius:11px;text-decoration:none;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;text-align:center;font-weight:1000}.sticky-phone{background:#087de6;color:#fff}.sticky-phone span,.sticky-line span{font-size:10px;opacity:.92}.sticky-phone b,.sticky-line b{font-size:11px;margin-top:3px;white-space:nowrap}.sticky-line{background:var(--green);color:#fff;padding:6px 5px}
}

@media (max-width:380px){
  .header-model{display:none}.brand-divider{display:none}.product-stage{height:245px}.hero h1{font-size:27px}.sticky-actions{gap:4px}.sticky-phone b,.sticky-line b{font-size:10px}.sticky-phone span,.sticky-line span{font-size:9px}
}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}