@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@400;500;600;700;800&display=swap');

/* โครงเดียวกับ betacal/styles.css ทุกประการ ต่างกันแค่ชุดสีในบล็อก :root
   betaliv = แดงเลือดหมู · betacal = น้ำเงินกรมท่า · betaoil = ทองบรอนซ์
   betalife = คอปเปอร์อิฐ · betaxplus = เทอร์ควอยซ์ · betaherb = ม่วง-เขียวมะกอก
   ชุดสีนี้วัดจากกล่อง BETAHERB โดยตรง — ม่วง #75427F และเขียวมะกอก #8C9642 */
:root{
  --plum:#6b3a7c;
  --plum-deep:#402249;
  --plum-soft:#f6eff9;
  --olive:#7e8c31;
  --olive-soft:#f4f8e8;
  --ink:#2b2130;
  --muted:#6b6374;
  --line:#e8dcef;
  --paper:#fffdff;
  --line-green:#06c755;
  --font:'Prompt',sans-serif;
  --shell:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.6}
img{display:block;max-width:100%}
a{color:inherit}
button,input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.18;letter-spacing:0}

/* ---------- shared bits ---------- */
.section-shell{width:min(100%,var(--shell));margin:0 auto;padding:72px 24px}
.section-heading{max-width:680px;margin:0 auto 34px}
.centered{text-align:center}
.eyebrow{margin:0 0 8px;color:var(--plum);font-size:.84rem;font-weight:800;letter-spacing:.04em}
.lead{margin:12px 0 16px;font-size:clamp(1.05rem,2.2vw,1.3rem);font-weight:600}
.note{margin:14px 0 0;color:var(--muted);font-size:.86rem}
.footnote{max-width:920px;margin:20px auto 0;color:var(--muted);font-size:.84rem;text-align:center}

.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 20px;border:0;border-radius:8px;cursor:pointer;font-weight:800;text-align:center;text-decoration:none}
.button-primary{background:linear-gradient(135deg,var(--plum),#8d4ea1);color:#fff;box-shadow:0 10px 24px rgba(107,58,124,.24)}
.button-line{background:var(--line-green);color:#fff;box-shadow:0 10px 24px rgba(6,199,85,.22)}
.button-quiet{border:1px solid var(--line);background:#fff;color:var(--plum)}
.button:disabled{opacity:.6;cursor:wait}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.cta-row .button{flex:1 1 220px}

.plain-list{margin:14px 0 0;padding:0;list-style:none}
.plain-list li{position:relative;margin:10px 0;padding-left:26px}
.plain-list li:before{content:'✓';position:absolute;left:0;color:var(--plum);font-weight:800}

/* list-style:none จำเป็น — ไม่งั้น <ol> จะขึ้นเลขของเบราว์เซอร์ซ้อนกับ <b>1</b> ที่เราวางเอง
   (betaliv ไม่มีกฎนี้ ทำให้ขั้นตอนสั่งซื้อขึ้นเป็น "1. ①" ซ้อนกัน) */
.order-steps{display:grid;gap:10px;margin:16px 0 20px;padding:0;list-style:none;counter-reset:none}
.order-steps li{display:flex;align-items:center;gap:12px}
.order-steps b{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--plum);color:#fff;font-size:.95rem}
.order-steps span{color:var(--muted)}

.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none}
.chip-list li{padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:.9rem;font-weight:600}

.fact-chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none}
.fact-chips li{padding:7px 11px;border:1px solid rgba(107,58,124,.24);border-radius:6px;background:rgba(255,255,255,.85);font-size:.85rem;font-weight:700}

/* ---------- header ---------- */
.service-strip{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;padding:9px 16px;background:var(--plum-deep);color:#fff;font-size:.8rem;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px max(20px,calc((100% - var(--shell))/2));background:rgba(255,253,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.brand{color:var(--ink);font-size:1.4rem;font-weight:800;text-decoration:none}
.brand span{color:var(--plum)}
.header-line{padding:9px 14px;border-radius:7px;background:var(--line-green);color:#fff;font-size:.85rem;font-weight:800;text-decoration:none}

/* ---------- image panels ---------- */
.panel{width:min(100%,var(--shell));margin:0 auto;padding:64px 24px}
.panel-art{margin:0;overflow:hidden;border-radius:14px;background:var(--plum-soft);box-shadow:0 16px 40px rgba(60,30,70,.12)}
/* keeps layout intact while an image is still being produced */
.panel-art img{width:100%;height:auto;min-height:220px;background:var(--plum-soft)}
.panel-copy h1{font-size:clamp(2.2rem,5.5vw,3.6rem)}
.panel-copy h1 span{color:var(--plum)}
.panel-copy h2{font-size:clamp(1.8rem,3.8vw,2.8rem)}
.panel-copy p:not(.eyebrow):not(.lead):not(.note){color:var(--muted)}

.panel-hero,.panel-split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(28px,5vw,64px)}
.panel-split.reverse .panel-art{order:2}
.panel-hero{padding-top:44px}
.hero-note{margin-top:14px;color:var(--muted);font-size:.9rem}

.panel-wide{display:grid;gap:24px}
.badge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0;padding:0;list-style:none}
.badge-row li{padding:18px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:center}
.badge-row strong{display:block;color:var(--plum);font-size:1.05rem}
.badge-row span{color:var(--muted);font-size:.88rem}

/* ---------- formula ---------- */
.formula{background:linear-gradient(180deg,var(--olive-soft),var(--paper))}
.ingredient-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1060px;margin:0 auto}
.ingredient-groups article{padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff}
.ingredient-groups h3{margin-bottom:12px;color:var(--plum);font-size:1.15rem}
.ingredient-groups dl{margin:0}
.ingredient-groups dl div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid #f2ecf6}
.ingredient-groups dt{font-weight:600}
.ingredient-groups dd{margin:0;color:#6e3d82;font-weight:800;white-space:nowrap}

.spec-list{margin:16px 0 0}
.spec-list div{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.spec-list dt{color:var(--muted);font-size:.9rem;font-weight:700}
.spec-list dd{margin:0;font-weight:600}
.spec-list small{color:var(--muted);font-weight:400}

.label-details{margin-top:18px;padding:13px 16px;border:1px solid var(--line);border-radius:10px;background:#fff}
.label-details summary{color:var(--plum);cursor:pointer;font-weight:800}
.label-details img{width:100%;margin-top:14px;border-radius:8px}

/* ---------- guarantee ---------- */
.guarantee{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:clamp(24px,5vw,56px);border-radius:16px}
.guarantee-art{margin:0;overflow:hidden;border-radius:14px;background:var(--olive-soft)}
.guarantee-art img{width:100%;height:auto;min-height:200px}
.guarantee-copy h2{color:var(--plum);font-size:clamp(1.7rem,3.5vw,2.5rem)}
.guarantee-copy p{color:var(--muted)}

/* ---------- packages ---------- */
.packages{background:linear-gradient(180deg,var(--plum-soft),var(--paper))}
.package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.package-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-height:330px;padding:0 18px 18px;overflow:hidden;border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;text-align:left}
/* ภาพเต็มความกว้างการ์ด (full-bleed) ต้องปลด 2 อย่าง:
   height:auto  — ไม่งั้น attribute height="600" ใน HTML จะชนะ aspect-ratio
   max-width:none — ไม่งั้นกฎ global img{max-width:100%} จะ clamp ค่า calc() */
.package-card img{width:calc(100% + 36px);max-width:none;height:auto;margin:0 -18px 14px;aspect-ratio:3/2;object-fit:cover;background:var(--plum-soft)}
.package-card span{color:var(--plum);font-size:.85rem;font-weight:800}
.package-card strong{margin-top:5px;font-size:1.3rem}
.package-card em{margin-top:auto;color:#6e3d82;font-size:1.6rem;font-style:normal;font-weight:800}
.package-card small{margin-top:4px;color:var(--muted);font-size:.83rem}
.package-card:hover,.package-card:focus-visible{border-color:var(--olive);outline:none}
.package-card.active{border-color:var(--plum);box-shadow:0 0 0 4px rgba(107,58,124,.16)}
.package-card.recommended:after{content:'เริ่มต้นแนะนำ';position:absolute;top:12px;right:12px;padding:5px 10px;border-radius:6px;background:var(--olive);color:#fff;font-size:.72rem;font-weight:800;box-shadow:0 4px 12px rgba(0,0,0,.18)}
.package-card.active:before{content:'✓ เลือกแล้ว';position:absolute;top:12px;left:12px;padding:5px 10px;border-radius:6px;background:var(--plum);color:#fff;font-size:.72rem;font-weight:800}

.package-help{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:800px;margin:28px auto 0;padding:16px 18px;border:1px solid var(--olive);border-radius:10px;background:var(--olive-soft)}
.package-help strong,.package-help span{display:block}
.package-help span{color:var(--muted);font-size:.88rem}
.package-help a{flex:0 0 auto;padding:12px 16px;border-radius:7px;background:var(--line-green);color:#fff;font-size:.9rem;font-weight:800;text-decoration:none}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{position:relative;padding:18px 44px 18px 0;cursor:pointer;font-size:1.02rem;font-weight:800;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:'+';position:absolute;top:14px;right:8px;color:var(--plum);font-size:1.5rem}
.faq-list details[open] summary:after{content:'−'}
.faq-list p{margin:0;padding:0 44px 18px 0;color:var(--muted)}
.faq-list a{color:var(--plum);font-weight:700}

/* ---------- checkout ---------- */
.checkout{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.checkout-intro h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.checkout-intro p{color:var(--muted)}
.checkout-intro .button{margin-top:16px}
.checkout-form{padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 16px 42px rgba(60,30,70,.1)}
.selected-package{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:14px 16px;margin-bottom:16px;border:1px solid var(--olive);border-radius:9px;background:var(--olive-soft)}
.selected-package span{color:var(--muted);font-size:.8rem}
.selected-package strong{color:var(--plum);font-size:1.1rem}
.selected-package a{grid-column:2;grid-row:1/3;align-self:center;color:var(--plum);font-size:.88rem;font-weight:800;text-decoration:underline}
.checkout-form>label{display:block;margin:14px 0;font-size:.9rem;font-weight:800}
/* font-size ต้องไม่ต่ำกว่า 16px เด็ดขาด — Safari บน iOS จะซูมหน้าเข้าอัตโนมัติทันทีที่แตะช่องกรอก
   ที่ font-size < 16px ทำให้หน้าเว็บกระโดดและผู้ใช้ต้องถ่างนิ้วซูมกลับเองกลางคันตอนกรอกที่อยู่ */
.checkout-form input[type=text],.checkout-form input[type=tel],.checkout-form textarea,.checkout-form input[type=file]{width:100%;margin-top:6px;padding:12px;border:1px solid #d5c4de;border-radius:8px;background:#fff;color:var(--ink);font-size:16px}
.checkout-form textarea{min-height:110px;resize:vertical}
.checkout-form fieldset{margin:18px 0;padding:0;border:0}
.checkout-form legend{margin-bottom:9px;font-size:.9rem;font-weight:800}
.payment-option{display:flex;align-items:flex-start;gap:11px;margin:9px 0;padding:14px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
.payment-option:has(input:checked){border-color:var(--plum);background:var(--plum-soft)}
.payment-option input{margin-top:5px}
.payment-option b,.payment-option small{display:block}
.payment-option small{color:var(--muted);font-weight:400}
.bank-box{padding:18px;margin-top:6px;border:1px solid var(--line);border-radius:10px;background:var(--olive-soft)}
.bank-box h4{margin-bottom:10px;color:var(--plum)}
.bank-detail{margin:0 0 12px}
.bank-detail div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--line)}
.bank-detail dt{color:var(--muted);font-size:.88rem}
.bank-detail dd{margin:0;font-weight:700}
.bank-detail button{margin-left:8px;padding:5px 11px;border:0;border-radius:6px;background:var(--plum);color:#fff;cursor:pointer;font-size:.8rem;font-weight:700}
.field-error{display:block;margin-top:6px;color:#c0272d;font-size:.85rem;font-weight:700}
/* แจ้งเตือน PDPA ใต้ช่องกรอกข้อมูลส่วนตัว (พ.ร.บ.คุ้มครองข้อมูลส่วนบุคคล ม.23) */
.pdpa-box{margin-top:16px;padding:14px 16px 14px 42px;position:relative;border:1px solid var(--line);border-radius:9px;background:#f7fbf7}
.pdpa-box:before{content:'🔒';position:absolute;top:13px;left:14px;font-size:1.05rem}
.pdpa-box strong{display:block;margin-bottom:5px;color:#1d6b3f;font-size:.92rem}
.pdpa-box p{margin:5px 0 0;color:var(--muted);font-size:.8rem;line-height:1.65}
.pdpa-box b{color:var(--ink);font-weight:700}
.pdpa-box a{margin-left:3px;color:var(--plum);font-weight:700}
.button-submit{width:100%;margin-top:14px;font-size:1.05rem}

/* ---------- footer ---------- */
.disclaimer{width:min(100%,var(--shell));margin:0 auto;padding:20px 24px;border-radius:12px;background:var(--olive-soft);color:#5a4a2f;font-size:.84rem;line-height:1.8}
.site-footer{margin-top:40px;padding:32px 24px 104px;background:var(--plum-deep);color:#e5d8ec;text-align:center}
.footer-brand strong{display:block;font-size:1.05rem;color:#fff}
.footer-brand span{font-size:.86rem}
.footer-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin:16px 0}
.footer-links a,.footer-contact a{color:#cbe08a;font-size:.88rem;font-weight:700;text-decoration:none}
.footer-contact{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}

.floating-bar{position:fixed;z-index:30;bottom:12px;left:50%;display:grid;grid-template-columns:1.2fr .7fr 1fr;gap:7px;width:min(540px,calc(100vw - 24px));padding:8px;border:1px solid rgba(126,140,49,.4);border-radius:10px;background:rgba(255,253,255,.97);box-shadow:0 12px 32px rgba(60,30,70,.2);transform:translateX(-50%)}
.floating-bar a{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:7px;background:var(--plum-soft);color:var(--plum);font-size:.9rem;font-weight:800;text-decoration:none}
.floating-bar a:first-child{background:var(--line-green);color:#fff}
.floating-bar a:last-child{background:var(--plum);color:#fff}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .package-grid{grid-template-columns:repeat(2,1fr)}
  .checkout,.guarantee{grid-template-columns:1fr;gap:28px}
  .ingredient-groups{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .service-strip{gap:10px;font-size:.72rem}
  .section-shell,.panel{padding:48px 18px}
  .panel-hero,.panel-split{grid-template-columns:1fr;gap:24px}
  .panel-split.reverse .panel-art{order:0}
  .ingredient-groups{grid-template-columns:1fr}
  .spec-list div{grid-template-columns:1fr;gap:2px}
  .badge-row{grid-template-columns:1fr}
  .package-grid{grid-template-columns:1fr}
  .package-card{min-height:0}
  .package-help{align-items:stretch;flex-direction:column}
  .package-help a{text-align:center}
  .cta-row .button{flex:1 1 100%}
  .checkout-form{padding:18px}
  .site-footer{padding-bottom:110px}
  /* ลิงก์ท้ายเว็บสูงแค่ 23px กดพลาดง่ายบนมือถือ — ขยายพื้นที่แตะให้ถึง 44px ตามเกณฑ์ */
  .footer-links a,.footer-contact a{display:inline-flex;align-items:center;min-height:44px;padding:0 4px}
  .footer-links,.footer-contact{gap:8px 20px}
}


/* SEO topic cluster: compact, scannable article cards */
.related-reading .section-heading:not(.centered){max-width:920px}
.related-reading .plain-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.related-reading .plain-list li{margin:0;padding:0}
.related-reading .plain-list li:before{display:none}
.related-reading .plain-list a{display:flex;align-items:center;min-height:74px;padding:15px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;font-weight:700;box-shadow:0 8px 22px rgba(35,42,39,.06);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.related-reading .plain-list a:hover{transform:translateY(-2px);border-color:currentColor;box-shadow:0 12px 28px rgba(35,42,39,.1)}
@media(max-width:640px){.related-reading .plain-list{grid-template-columns:1fr}.related-reading .plain-list a{min-height:66px;padding:13px 15px}}