/* หน้าเลือกแบบเว็บ One Min Web — โทนสว่าง เรียบ ภาพนำ
   แบรนด์เดียวกับ site-v1/salepage: ส้ม #FF6A13 (พื้น/เส้น) · ส้มเข้ม #B23C05 (ตัวหนังสือ) · ถ่าน #1A1512
   คู่สีตัวหนังสือทุกคู่ ≥4.5:1 */
:root{
  --o:#FF6A13;--o-deep:#B23C05;--o-wash:#FFF3EA;
  --ink:#1A1512;--ink2:#4A403A;--mut:#6B5F57;--line:#ECE5DE;--bg:#FBFAF8;--card:#fff;
  --sh:0 1px 2px rgba(42,27,18,.04),0 10px 30px rgba(42,27,18,.07);
  --sh-lg:0 2px 6px rgba(42,27,18,.05),0 24px 60px rgba(42,27,18,.12);
  --r:22px;--ff:'IBM Plex Sans Thai',system-ui,-apple-system,'Segoe UI',sans-serif;--fd:'Space Grotesk','IBM Plex Sans Thai',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.pk{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 var(--ff);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--o-deep)}
h1,h2,h3{line-height:1.4;margin:0;letter-spacing:-.01em}
.pk-wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* แถบบน */
.pk-bar{position:sticky;top:0;z-index:20;background:rgba(251,250,248,.86);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.pk-bar .pk-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px}
.pk-logo{display:inline-flex;align-items:center;gap:10px;font:700 1.08rem/1 var(--fd);color:var(--ink);text-decoration:none}
.pk-logo i{font-style:normal;background:var(--ink);color:#fff;border-radius:9px;padding:6px 8px;font-size:.95rem;line-height:1;box-shadow:inset 0 -2px 0 var(--o)}
.pk-nav{display:flex;align-items:center;gap:18px}
.pk-back{color:var(--ink2);text-decoration:none;font-weight:500;font-size:.95rem}
.pk-back:hover{color:var(--o-deep)}

/* ปุ่ม */
.pk-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;background:var(--ink);color:#fff;font-weight:600;text-decoration:none;border:1.5px solid var(--ink);transition:transform .15s,box-shadow .15s,background .15s}
.pk-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(26,21,18,.18)}
.pk-btn.ghost{background:transparent;color:var(--ink);border-color:#D9CFC6}
.pk-btn.ghost:hover{border-color:var(--ink)}
.pk-btn.sm{min-height:38px;padding:0 16px;font-size:.92rem}
.pk-btn:focus-visible,.pk-scroll:focus-visible,a:focus-visible{outline:3px solid var(--o);outline-offset:3px}

/* หัวหน้า */
.pk-hero{padding:72px 0 40px}
.pk-eye{font:700 .78rem/1 var(--fd);letter-spacing:.14em;color:var(--o-deep);margin:0 0 16px;text-transform:uppercase}
.pk-hero h1{font-size:clamp(2.2rem,5.2vw,3.7rem);font-weight:700;line-height:1.28}
.pk-lead{max-width:58ch;color:var(--ink2);font-size:1.1rem;margin:18px 0 0}
.pk-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:22px 0 0;color:var(--ink2);font-weight:500;font-size:.95rem}
.pk-points li{display:flex;align-items:center;gap:8px}
.pk-points li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--o)}

/* การ์ด */
.pk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;padding-bottom:20px}
.pk-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.pk-card:hover{box-shadow:var(--sh-lg);transform:translateY(-3px)}
.pk-card:first-child{grid-column:1/-1;flex-direction:row}
.pk-card:first-child .pk-shot{flex:1.45}
.pk-card:first-child .pk-meta{flex:1;align-self:center;padding:36px 40px}
.pk-shot{display:block;background:#F3EFEA;overflow:hidden}
.pk-shot img{width:100%;aspect-ratio:16/11;object-fit:cover;object-position:top;transition:transform .5s ease}
.pk-card:hover .pk-shot img{transform:scale(1.025)}
.pk-meta{padding:24px 26px 26px;display:flex;flex-direction:column;gap:6px}
.pk-num{font:700 .8rem/1 var(--fd);letter-spacing:.12em;color:var(--mut);margin:0 0 4px;text-transform:uppercase}
.pk-meta h2{font-size:1.5rem}
.pk-meta h2 a{color:var(--ink);text-decoration:none}
.pk-meta h2 a:hover{color:var(--o-deep)}
.pk-biz{color:var(--o-deep);font-weight:600;font-size:.95rem;margin:0}
.pk-pitch{color:var(--ink2);margin:4px 0 0;font-size:.98rem}
.pk-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.pk-chip{font-size:.82rem;color:var(--ink2);background:#F5F1EC;border-radius:999px;padding:4px 12px}
.pk-act{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pk-fine{color:var(--mut);font-size:.86rem;margin-top:26px;margin-bottom:56px}

/* หน้ารายละเอียด */
.pk-dhead{padding:48px 0 24px;background:linear-gradient(180deg,#fff, var(--bg))}
.pk-dgrid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}
.pk-dtext h1{font-size:clamp(2rem,4.4vw,3.1rem);margin:0 0 8px}
.pk-dcover img{width:100%;border-radius:var(--r);box-shadow:var(--sh-lg);background:#F3EFEA}
.pk-sec{padding-top:56px}
.pk-sec h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}
.pk-sub{color:var(--mut);margin:6px 0 18px;font-size:.95rem}
.pk-full{display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:start}
.pk-browser{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh)}
.pk-bbar{height:36px;display:flex;align-items:center;gap:7px;padding:0 14px;background:#F2EFEB;border-bottom:1px solid var(--line)}
.pk-bbar i{width:11px;height:11px;border-radius:50%;background:#FF5F57}
.pk-bbar i:nth-child(2){background:#FEBC2E}.pk-bbar i:nth-child(3){background:#28C840}
.pk-scroll{max-height:720px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.pk-phone{border:10px solid #161618;border-radius:38px;overflow:hidden;box-shadow:var(--sh-lg);background:#161618}
.pk-phone .pk-scroll{border-radius:28px;max-height:620px;background:#fff}
.pk-crops{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pk-crop{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh)}
.pk-crop img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top}
.pk-crop figcaption{padding:12px 16px;font-size:.92rem;color:var(--ink2);font-weight:500}
.pk-two{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.pk-secs{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.pk-secs li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 12px;font-size:.92rem}
.pk-feats{list-style:none;padding:0;margin:14px 0 6px;display:grid;gap:10px}
.pk-feats li{position:relative;padding-left:30px;color:var(--ink2)}
.pk-feats li::before{content:"";position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;background:var(--o-wash);box-shadow:inset 0 0 0 5px var(--o-wash),inset 0 0 0 9px var(--o)}
.pk-sws{display:flex;flex-wrap:wrap;gap:8px}
.pk-sw{width:30px;height:30px;border-radius:50%;box-shadow:0 0 0 2px #fff,0 0 0 3px var(--line)}
.pk-ctaband{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.pk-ctaband>div{flex:1}
.pk-ctaband{margin-top:56px;padding:36px 40px;background:var(--o-wash);border-radius:var(--r)}
.pk-ctaband p{margin:6px 0 0;color:var(--ink2)}
.pk-minis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pk-mini{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--sh);transition:transform .2s}
.pk-mini:hover{transform:translateY(-2px)}
.pk-mini span{display:block;padding:10px 14px 14px;font-size:.85rem;color:var(--mut)}
.pk-mini b{display:block;color:var(--ink);font-size:1rem}
.pk-cred{color:var(--mut);font-size:.86rem;margin-bottom:56px}
.pk-cred summary{cursor:pointer;font-weight:600;color:var(--ink2)}
.pk-cred ul{columns:2;padding-left:18px}
.pk-cred a{color:var(--ink2)}
/* เพจ Facebook ของ One Min Web */
.pk-fbic{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1.5px solid #D9CFC6;color:var(--ink)}
.pk-fbic:hover{border-color:var(--ink)}
.pk-fbic svg,.pk-fbmark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pk-fb{margin-top:56px;margin-bottom:56px}
.pk-fbin{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:28px 32px}
.pk-fbmark{display:grid;place-items:center;width:68px;height:68px;border-radius:20px;background:var(--o-wash);color:var(--o-deep)}
.pk-fbmark svg{width:34px;height:34px}
.pk-fb h2{font-size:1.4rem;margin:2px 0 4px}
.pk-fb p{margin:0;color:var(--ink2)}
.pk-fb .pk-eye{color:var(--o-deep);font:600 .78rem/1.4 var(--fd);letter-spacing:.14em}
.pk-flinks{display:inline-flex;gap:20px}
.pk-foot{border-top:1px solid var(--line);padding:26px 0;color:var(--mut);font-size:.9rem}
.pk-foot .pk-wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:900px){
  .pk-card:first-child{flex-direction:column}
  .pk-card:first-child .pk-meta{padding:24px 26px 26px}
  .pk-dgrid,.pk-two{grid-template-columns:1fr;gap:28px}
  .pk-full{grid-template-columns:1fr}
  .pk-phone{max-width:300px;margin:0 auto}
  .pk-crops{grid-template-columns:1fr}
  .pk-minis{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .pk-fbin{grid-template-columns:auto 1fr;padding:22px;gap:16px 18px}
  .pk-fbin .pk-btn{grid-column:1/-1}
  .pk-fbmark{width:54px;height:54px;border-radius:16px}
  .pk-wrap{padding:0 16px}
  .pk-grid{grid-template-columns:1fr;gap:22px}
  .pk-hero{padding:44px 0 28px}
  .pk-detail .pk-nav .pk-btn.sm{display:none}
  .pk-scroll{max-height:520px}
  .pk-ctaband{padding:26px 22px}
  .pk-cred ul{columns:1}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}