:root{
  --ocean:#0B2530; --teal:#17465A; --teal-soft:#2C6E7F;
  --gold:#C9963B; --gold-bright:#E8B54A;
  --ivory:#F7F3EA; --ink:#12303C; --line:rgba(201,150,59,.35);
  --hero-h:620px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{max-width:100%;overflow-x:hidden}
body{font-family:'Sarabun','Noto Sans SC',sans-serif;color:var(--ink);background:var(--ivory);line-height:1.75;font-size:17px}
html[lang="zh"] body{font-family:'Noto Sans SC','Sarabun',sans-serif}
h1,h2,h3,h4{font-family:'Prompt','Noto Sans SC',sans-serif;line-height:1.35;overflow-wrap:anywhere}
html[lang="zh"] h1,html[lang="zh"] h2,html[lang="zh"] h3,html[lang="zh"] h4{font-family:'Noto Sans SC','Prompt',sans-serif}
p,li{overflow-wrap:anywhere}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;min-width:0}
:focus-visible{outline:3px solid var(--gold-bright);outline-offset:2px}

/* ---------- แถบเมนู ---------- */
header{position:sticky;top:0;z-index:100;background:rgba(11,37,48,.97);backdrop-filter:blur(8px);border-bottom:1px solid rgba(201,150,59,.25)}
.nav{display:flex;align-items:center;gap:24px;padding:12px 24px;max-width:1280px;margin:0 auto;min-width:0}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0}
.brand img{width:50px;height:50px;flex:0 0 auto}
.brand-name{color:#fff;font-family:'Prompt',sans-serif;font-weight:600;font-size:18px;letter-spacing:.5px;line-height:1.2;white-space:nowrap}
.brand-name small{display:block;color:var(--gold-bright);font-size:10.5px;font-weight:500;letter-spacing:1.6px}
.menu{display:flex;gap:22px;align-items:center}
.menu a{color:#E9E4D8;font-family:'Prompt','Noto Sans SC',sans-serif;font-size:14.5px;font-weight:500;transition:color .2s;white-space:nowrap}
.menu a:hover{color:var(--gold-bright)}
.lang{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;flex:0 0 auto}
.lang a{color:#CFC8B8;padding:6px 10px;font-size:13px;font-weight:600;font-family:'Prompt','Noto Sans SC',sans-serif;white-space:nowrap}
.lang a[aria-current="true"]{background:var(--gold);color:#fff}
.cta-btn{background:linear-gradient(135deg,var(--gold),var(--gold-bright));color:#fff;padding:11px 22px;border-radius:8px;font-family:'Prompt','Noto Sans SC',sans-serif;font-weight:600;font-size:15px;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px rgba(201,150,59,.35);white-space:nowrap}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(201,150,59,.45)}
.burger{display:none;background:none;border:0;color:#fff;font-size:25px;cursor:pointer;line-height:1;padding:4px 6px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff}
.slides{position:relative;min-height:var(--hero-h)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center;display:flex;align-items:center;visibility:hidden}
.slide.active{opacity:1;visibility:visible}
.slide::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,37,48,.78) 0%,rgba(11,37,48,.42) 48%,rgba(11,37,48,.08) 100%)}
.slide-inner{position:relative;z-index:2;max-width:720px;min-width:0;padding-top:64px;padding-bottom:64px}
.kicker{color:var(--gold-bright);font-family:'Prompt',sans-serif;font-weight:600;letter-spacing:3px;font-size:13px;margin-bottom:16px;overflow-wrap:anywhere}
.slide-title{font-size:clamp(27px,4.4vw,52px);font-weight:700;margin-bottom:12px;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.45)}
.slide-title em{font-style:normal;color:var(--gold-bright)}
.hero-rays{width:72px;height:5px;background:linear-gradient(90deg,var(--gold),transparent);border-radius:3px;margin:18px 0 20px}
.slide-sub{color:#EDE8DC;font-size:clamp(15px,1.5vw,18px);max-width:580px;margin-bottom:30px;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-ghost{border:1.5px solid var(--gold);color:#fff;background:rgba(11,37,48,.3);padding:11px 24px;border-radius:8px;font-family:'Prompt','Noto Sans SC',sans-serif;font-weight:600;font-size:15px;transition:background .2s;white-space:nowrap}
.btn-ghost:hover{background:var(--gold)}
.slide-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:48px;height:48px;border-radius:50%;background:rgba(11,37,48,.5);border:1.5px solid rgba(201,150,59,.55);color:#fff;font-size:21px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.slide-arrow:hover{background:var(--gold)}
.slide-arrow.prev{left:16px}.slide-arrow.next{right:16px}
.dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:6;display:flex;gap:9px}
.dots button{width:11px;height:11px;border-radius:50%;border:1.5px solid rgba(255,255,255,.75);background:transparent;cursor:pointer;padding:0}
.dots button[aria-current="true"]{background:var(--gold);border-color:var(--gold)}

/* ---------- 4 เสาหลัก ---------- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:44px 0 0}
.pillar{background:#fff;border-radius:14px;padding:28px 22px;box-shadow:0 12px 34px rgba(11,37,48,.10);border-top:4px solid var(--gold);transition:transform .25s;min-width:0}
.pillar:hover{transform:translateY(-5px)}
.pillar .ic{width:50px;height:50px;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--teal-soft));display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.pillar .ic svg{width:27px;height:27px;stroke:var(--gold-bright);fill:none;stroke-width:1.7}
.pillar h3{font-size:18px;margin-bottom:7px;color:var(--ocean)}
.pillar p{font-size:14.5px;color:#4A5A60;line-height:1.65}

/* ---------- หัวข้อส่วน ---------- */
.sec{padding:82px 0}
.sec-head{text-align:center;max-width:660px;margin:0 auto 48px}
.sec-head h2{font-size:clamp(26px,3.5vw,37px);color:var(--ocean)}
.sec-head h2 em{font-style:normal;color:var(--gold)}
.sec-head.on-dark h2{color:#fff}
.sec-head .bar{width:54px;height:4px;background:var(--gold);border-radius:2px;margin:16px auto 0}
.sec-head p{margin-top:16px;color:#4A5A60;font-size:16px}
.sec-head.on-dark p{color:#C9C3B4}

/* ---------- บริการ ---------- */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.svc{background:#fff;border-radius:14px;padding:32px 28px;border:1px solid #E7E0D0;position:relative;overflow:hidden;transition:box-shadow .25s,transform .25s;min-width:0}
.svc:hover{box-shadow:0 16px 40px rgba(11,37,48,.12);transform:translateY(-4px)}
.svc.star{background:linear-gradient(160deg,var(--ocean),var(--teal));color:#fff;border:0}
.svc.star h3{color:var(--gold-bright)}
.svc.star p{color:#D8D2C4}
.svc .num{position:absolute;right:20px;top:12px;font-family:'Prompt',sans-serif;font-weight:700;font-size:48px;color:rgba(201,150,59,.16);line-height:1}
.svc h3{font-size:20px;color:var(--ocean);margin-bottom:10px;padding-right:56px}
.svc p{font-size:15.5px;color:#4A5A60}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{background:rgba(232,181,74,.16);border:1px solid var(--line);color:var(--gold-bright);font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:20px;font-family:'Prompt','Noto Sans SC',sans-serif}

/* ---------- จุดเด่น ---------- */
.dark-sec{background:linear-gradient(180deg,var(--ocean),#0E2E3C);color:#fff;position:relative;overflow:hidden}
.dark-sec::after{content:'';position:absolute;left:-160px;bottom:-160px;width:500px;height:500px;background:url('/emblem.png') center/contain no-repeat;opacity:.06;pointer-events:none}
.whys{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;position:relative;z-index:2}
.why{display:flex;gap:16px;align-items:flex-start;min-width:0}
.why .chk{flex:0 0 42px;height:42px;border-radius:50%;border:1.5px solid var(--gold);display:flex;align-items:center;justify-content:center}
.why .chk svg{width:19px;height:19px;stroke:var(--gold-bright);fill:none;stroke-width:2.4}
.why h3{font-size:18px;color:var(--gold-bright);margin-bottom:5px}
.why p{font-size:15px;color:#C9C3B4}

/* ---------- ขั้นตอน ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{text-align:center;position:relative;min-width:0}
.step .no{width:60px;height:60px;margin:0 auto 14px;border-radius:50%;background:#fff;border:2px solid var(--gold);color:var(--gold);font-family:'Prompt',sans-serif;font-weight:700;font-size:23px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(201,150,59,.22)}
.step:not(:last-child)::after{content:'';position:absolute;top:30px;left:calc(50% + 40px);width:calc(100% - 80px);border-top:2px dashed var(--line)}
.step h3{font-size:17px;color:var(--ocean);margin-bottom:6px}
.step p{font-size:14.5px;color:#4A5A60}

/* ---------- เครือข่ายขนส่ง ---------- */
.coverage-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.carrier{background:#fff;border:1px solid #E7E0D0;border-radius:12px;height:100px;display:flex;align-items:center;justify-content:center;padding:18px;transition:box-shadow .25s,transform .25s;min-width:0}
.carrier:hover{box-shadow:0 12px 30px rgba(11,37,48,.12);transform:translateY(-4px)}
.carrier img{max-width:100%;max-height:46px;width:auto;object-fit:contain}
.coverage-note{text-align:center;margin-top:24px;font-size:12.5px;color:#9A9384;font-style:italic}

/* ---------- เกี่ยวกับเรา ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:52px;align-items:center}
.about-logo{background:#fff;border-radius:18px;padding:40px;box-shadow:0 14px 40px rgba(11,37,48,.1);border:1px solid #E7E0D0}
.about-txt h2{font-size:clamp(24px,3.1vw,33px);color:var(--ocean)}
.about-txt h2 em{font-style:normal;color:var(--gold)}
.about-txt .bar{width:54px;height:4px;background:var(--gold);border-radius:2px;margin:14px 0 20px}
.about-txt p{color:#4A5A60;margin-bottom:14px;font-size:16px}
.exp{margin-top:10px;display:grid;gap:10px;list-style:none}
.exp li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink)}
.exp li::before{content:'';flex:0 0 10px;height:10px;border-radius:50%;background:var(--gold);margin-top:9px}

/* ---------- คำถามที่พบบ่อย ---------- */
.faqs{max-width:840px;margin:0 auto;display:grid;gap:14px}
.faq{background:#fff;border:1px solid #E7E0D0;border-radius:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:20px 24px;font-family:'Prompt','Noto Sans SC',sans-serif;font-weight:600;font-size:17px;color:var(--ocean);list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--gold);font-size:24px;line-height:1;flex:0 0 auto}
.faq[open] summary::after{content:'−'}
.faq .a{padding:0 24px 22px;color:#4A5A60;font-size:15.5px}

/* ---------- ติดต่อ ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;position:relative;z-index:2}
.form-card{background:rgba(255,255,255,.05);border:1px solid rgba(201,150,59,.3);border-radius:16px;padding:32px;min-width:0}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:15px}
.f-full{margin-bottom:15px}
label{display:block;font-size:13.5px;font-weight:600;color:var(--gold-bright);margin-bottom:6px;font-family:'Prompt','Noto Sans SC',sans-serif}
input,select,textarea{width:100%;max-width:100%;background:rgba(11,37,48,.6);border:1px solid rgba(201,150,59,.35);border-radius:8px;padding:12px 14px;color:#fff;font-family:inherit;font-size:16px}
select option{color:var(--ink);background:#fff}
textarea{min-height:104px;resize:vertical}
.send-btn{width:100%;border:0;cursor:pointer;margin-top:4px;font-size:15px}
.c-info h3{color:var(--gold-bright);font-size:16.5px;margin:20px 0 6px}
.c-info h3:first-child{margin-top:2px}
.c-info p{color:#C9C3B4;font-size:15.5px}
.c-info a{color:var(--gold-bright);border-bottom:1px dotted var(--gold)}
.map-link{display:inline-block;margin-top:6px;font-size:14px;font-weight:600;font-family:'Prompt','Noto Sans SC',sans-serif}

/* ---------- ส่วนท้าย ---------- */
footer{background:#081C25;color:#B9B3A4;padding:52px 0 0}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.f-brand{display:flex;gap:13px;align-items:center;margin-bottom:15px}
.f-brand img{width:52px;height:52px}
.f-brand div{color:#fff;font-family:'Prompt',sans-serif;font-weight:600;font-size:16px;line-height:1.3}
.f-brand small{display:block;color:var(--gold-bright);font-size:10.5px;letter-spacing:1.5px;font-weight:500}
footer h4{color:#fff;font-size:16px;margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:9px}
footer a{font-size:14.5px;transition:color .2s}
footer a:hover{color:var(--gold-bright)}
footer p{font-size:14.5px}
.copy{border-top:1px solid rgba(201,150,59,.2);padding:18px 0;text-align:center;font-size:13.5px;color:#8A8578}

/* ---------- จอกลาง ---------- */
@media(max-width:1080px){
  .pillars{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:960px){
  :root{--hero-h:540px}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--ocean);flex-direction:column;padding:18px;gap:16px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .burger{display:block}
  .cta-btn.in-nav{display:none}
  .services,.whys{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .step:not(:last-child)::after{display:none}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .about-logo{max-width:400px;margin:0 auto}
  .coverage-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .slide::after{background:linear-gradient(90deg,rgba(11,37,48,.85) 0%,rgba(11,37,48,.6) 62%,rgba(11,37,48,.35) 100%)}
  .slide-arrow{width:40px;height:40px;font-size:17px}
  .slide-arrow.prev{left:8px}.slide-arrow.next{right:8px}
  .f-row{grid-template-columns:1fr}
  .sec{padding:66px 0}
}
/* ---------- มือถือ ---------- */
@media(max-width:600px){
  :root{--hero-h:470px}
  body{font-size:16px}
  .wrap{padding:0 18px}
  .nav{gap:12px;padding:10px 16px}
  .brand img{width:40px;height:40px}
  .brand-name{font-size:15px}
  .brand-name small{display:none}
  .lang a{padding:6px 8px;font-size:12px}
  .pillars{grid-template-columns:1fr;margin-top:34px}
  .coverage-grid{grid-template-columns:repeat(2,1fr)}
  .carrier{height:84px;padding:14px}
  .carrier img{max-height:38px}
  .slide-inner{padding-top:40px;padding-bottom:40px}
  .hero-btns{gap:10px}
  .cta-btn,.btn-ghost{padding:10px 18px;font-size:14.5px}
  .f-grid{grid-template-columns:1fr;gap:28px}
  .faq summary{padding:16px 18px;font-size:16px}
  .faq .a{padding:0 18px 18px}
  .form-card{padding:22px 18px}
  .about-logo{padding:26px}
  .sec{padding:56px 0}
}
@media(max-width:360px){
  :root{--hero-h:430px}
  .brand-name{font-size:13.5px}
  .brand img{width:36px;height:36px}
  .lang a{padding:5px 6px;font-size:11px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto}}

/* ---------- บทความ ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border:1px solid #E7E0D0;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s;min-width:0}
.post-card:hover{box-shadow:0 16px 40px rgba(11,37,48,.12);transform:translateY(-4px)}
.post-card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--teal),var(--ocean));overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-card h3{font-size:18.5px;color:var(--ocean)}
.post-card p{font-size:15px;color:#4A5A60;flex:1}
.post-card .date{font-size:13px;color:#948C7C}
.post-card .more{color:var(--gold);font-weight:600;font-family:'Prompt','Noto Sans SC',sans-serif;font-size:14.5px}
.blog-hero{background:linear-gradient(180deg,var(--ocean),#0E2E3C);color:#fff;padding:64px 0 56px;text-align:center}
.blog-hero h1{font-size:clamp(27px,4vw,42px);color:#fff;max-width:820px;margin:0 auto}
.blog-hero p{color:#C9C3B4;max-width:660px;margin:16px auto 0;font-size:16.5px}
.article{max-width:760px;margin:0 auto;padding:52px 0 72px}
.article .back{font-size:14.5px;font-weight:600;font-family:'Prompt','Noto Sans SC',sans-serif;color:var(--teal)}
.article h1{font-size:clamp(26px,3.8vw,40px);color:var(--ocean);margin:18px 0 12px}
.article .meta{color:#948C7C;font-size:14px;margin-bottom:26px}
.article .cover{border-radius:14px;overflow:hidden;margin-bottom:30px;border:1px solid #E7E0D0}
.article .content{font-size:17px;color:#2E4048}
.article .content h2{font-size:25px;color:var(--ocean);margin:34px 0 12px}
.article .content h3{font-size:20px;color:var(--ocean);margin:26px 0 10px}
.article .content p{margin-bottom:16px}
.article .content ul,.article .content ol{margin:0 0 18px 22px;display:grid;gap:7px}
.article .content img{border-radius:12px;margin:22px 0;border:1px solid #E7E0D0}
.article .content blockquote{border-left:4px solid var(--gold);background:#F5EFE0;padding:14px 20px;border-radius:0 10px 10px 0;margin:22px 0;color:#4A4436}
.article .content a{color:var(--teal);border-bottom:1px solid var(--line)}
@media(max-width:960px){.posts{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.posts{grid-template-columns:1fr}.blog-hero{padding:44px 0 40px}.article{padding:34px 0 52px}}