:root{
  --cream:#FFFFFF;
  --cream-2:#F7F7F5;
  --ink:#1C1712;
  --ink-soft:#6B5D52;
  --gold:#FB5E05;
  --gold-soft:#FDB78E;
  --rose:#E7D6C2;
  --plum:#241812;
  --white:#fff;
  --radius:18px;
  --maxw:1120px;
  --serif:'Noto Serif SC',Georgia,'Songti SC','SimSun',serif;
  --sans:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);background:var(--cream);line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.35;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--plum);color:var(--white);text-decoration:none;
  padding:15px 32px;border-radius:100px;font-weight:500;font-size:15.5px;
  border:none;cursor:pointer;transition:.25s;white-space:nowrap;letter-spacing:.04em;
  font-family:var(--sans);
}
.btn:hover{background:#382413;transform:translateY(-1px)}
.btn-gold{background:var(--gold)}
.btn-gold:hover{background:#C44904}
.btn-ghost{background:transparent;color:var(--plum);border:1.5px solid var(--plum)}
.btn-ghost:hover{background:var(--plum);color:#fff}
.eyebrow{
  font-size:12.5px;letter-spacing:.24em;
  color:var(--gold);font-weight:700;margin-bottom:14px;
}

/* NAV */
header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(28,23,18,.07);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:inline-flex;align-items:center;text-decoration:none}
.logo-img{height:30px;width:auto;display:block}
.foot-brand .logo-img{height:26px}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{text-decoration:none;font-size:15px;font-weight:500;color:var(--ink-soft);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--plum)}
.nav .btn{padding:11px 22px;font-size:14.5px}
.burger{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}
.lang-switch{display:flex;gap:4px;background:var(--cream-2);padding:4px;border-radius:100px;flex-shrink:0}
.lang-switch button{border:none;background:none;padding:6px 11px;border-radius:100px;font-size:12.5px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:.2s;white-space:nowrap}
.lang-switch button.active{background:var(--white);color:var(--plum);box-shadow:0 1px 3px rgba(0,0,0,.08)}
@media(max-width:900px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:70px;left:0;right:0;
    background:var(--cream);padding:20px 24px;gap:16px;border-bottom:1px solid rgba(0,0,0,.08);
  }
  .burger{display:block}
  .nav .btn{display:none}
  .lang-switch{padding:3px;gap:2px}
  .lang-switch button{padding:5px 8px;font-size:11.5px}
}
@media(max-width:400px){
  .lang-switch button{padding:5px 6px;font-size:11px}
}

/* HERO */
.hero{position:relative;background:var(--white)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center}
.hero-copy{
  display:flex;flex-direction:column;justify-content:center;
  padding:60px clamp(28px,6vw,64px) 60px clamp(24px,8vw,96px);
  max-width:620px;
}
.hero h1{font-size:clamp(24px,3.2vw,36px);margin-bottom:20px;line-height:1.36}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p.lead{font-size:17px;color:var(--ink-soft);max-width:470px;margin-bottom:26px}
.hero-stats{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:30px}
.hero-stat{background:var(--white);border:1px solid rgba(28,23,18,.08);border-radius:14px;padding:12px 18px;min-width:110px}
.hero-stat b{display:block;font-family:var(--serif);font-size:21px;color:var(--plum)}
.hero-stat span{font-size:12.5px;color:var(--ink-soft)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.hero-note{font-size:13.5px;color:var(--ink-soft);display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* PRODUCT VISUAL — full-bleed edge to edge, container matches the photo's own ratio so nothing is cropped */
.visual-stack{position:relative;overflow:hidden;aspect-ratio:1080/1080}
.hero-visual{width:100%;height:100%;object-fit:cover;display:block;background:var(--white)}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{max-width:none}
}

/* TRUST STRIP */
.trust{background:var(--white);padding:26px 0;border-top:1px solid rgba(28,23,18,.07);border-bottom:1px solid rgba(28,23,18,.07)}
.trust-badges{
  background:var(--white);border:1px solid rgba(28,23,18,.08);border-radius:16px;padding:16px 24px;
  display:flex;align-items:center;justify-content:center;
}
.trust-badges img{max-width:100%;height:auto;display:block}
.cert-grid-sm{margin-top:20px;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:14px;max-width:820px}
.cert-grid-sm .cert-card img{margin-bottom:8px;box-shadow:0 10px 22px -16px rgba(28,23,18,.4)}
.cert-grid-sm .cert-card p{font-size:11.5px}
.trust-caption{text-align:center;color:var(--ink-soft);font-size:12.5px;margin-top:16px}

/* SECTIONS */
section{padding:84px 0}
.sec-head{max-width:640px;margin:0 auto 52px;text-align:center}
.sec-head h2{font-size:clamp(25px,3.2vw,36px);margin-bottom:14px}
.sec-head p{color:var(--ink-soft);font-size:16px}
.sec-head .src{font-size:12px;color:var(--ink-soft);opacity:.7;margin-top:10px}

/* PROBLEM */
.problem{background:var(--cream-2)}
.sec-head p{line-height:1.85}
.problem .sec-head h2{font-size:clamp(17px,5.2vw,28px)}

/* FISSION CHART — one root cause branching into its visible symptoms, no photos */
.fission-chart{max-width:860px;margin:0 auto}
.fission-source{display:flex;flex-direction:column;align-items:center;text-align:center}
.fission-source-icon{
  width:60px;height:60px;border-radius:50%;background:var(--white);
  border:1.5px solid rgba(251,94,5,.35);display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;color:var(--gold);
}
.fission-source-icon svg{width:26px;height:26px}
.fission-source h3{font-size:18px;color:var(--ink);margin-bottom:5px;font-family:var(--serif);font-weight:600}
.fission-source p{font-size:13px;color:var(--ink-soft);letter-spacing:.02em}
.fission-trunk{width:1.5px;height:34px;background:rgba(28,23,18,.16);margin:0 auto}
.fission-results{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1.5px solid rgba(28,23,18,.16);padding-top:34px;
}
.fission-node{position:relative;text-align:center;padding:0 14px}
.fission-node::before{
  content:'';position:absolute;top:-34px;left:50%;width:1.5px;height:34px;
  background:rgba(28,23,18,.16);transform:translateX(-50%);
}
.fission-node::after{
  content:'';position:absolute;top:-34px;left:50%;width:8px;height:8px;border-radius:50%;
  background:var(--gold);transform:translate(-50%,-50%);
}
.fn-num{display:block;font-family:var(--serif);font-size:12.5px;color:var(--gold);letter-spacing:.12em;margin-bottom:10px;font-weight:700}
.fission-node h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.fission-node p{font-size:13.5px;color:var(--ink-soft);line-height:1.75}

.prob-stat{
  margin-top:36px;background:var(--gold);color:#fff;border-radius:var(--radius);
  padding:28px 32px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
}
.prob-stat b{font-family:var(--serif);font-size:44px;color:#fff}
.prob-stat p{font-size:14.5px;color:rgba(255,255,255,.9);max-width:520px}

/* REAL USER FEEDBACK — before / after */
.ba-sec{background:var(--white)}
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ba-card{background:var(--white);border-radius:var(--radius);border:1px solid rgba(28,23,18,.08);overflow:hidden}
.ba-photos{display:grid;grid-template-columns:1fr 1fr}
.ba-photo{aspect-ratio:443/283;overflow:hidden}
.ba-photo img{width:100%;height:100%;object-fit:cover;display:block}
.ba-labels{display:grid;grid-template-columns:1fr 1fr;padding:14px 16px}
.ba-labels span{font-size:13px;color:var(--ink-soft);font-weight:500}
.ba-labels span:last-child{text-align:right;color:var(--gold)}
.ba-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px}
.ba-tags span{
  background:var(--cream-2);color:var(--plum);font-size:13.5px;font-weight:600;
  padding:10px 20px;border-radius:100px;
}
.ba-disclaimer{text-align:center;font-size:12px;color:var(--ink-soft);opacity:.75;max-width:640px;margin:22px auto 0;line-height:1.8}

/* INGREDIENTS */
#chengfen{position:relative;overflow:hidden}
#chengfen::before{
  content:'';position:absolute;top:-100px;left:-140px;width:480px;height:440px;
  background-image:url('marigold-bg.png');background-size:contain;background-repeat:no-repeat;
  opacity:.55;transform:scaleX(-1);pointer-events:none;
}
.ing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;position:relative}
.ing-thumb{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-bottom:16px}
.ing-thumb-contain{object-fit:contain;background:transparent}
.ing-card{
  background:var(--white);border-radius:var(--radius);padding:32px 28px;
  border:1px solid rgba(28,23,18,.07);transition:.28s;
}
.ing-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px -26px rgba(28,23,18,.4)}
.ing-num{
  width:42px;height:42px;border-radius:12px;background:var(--cream-2);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);color:var(--gold);font-size:16px;margin-bottom:14px;font-weight:600;
}
.ing-dose{display:inline-block;background:var(--cream-2);color:var(--plum);font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:100px;margin-bottom:10px}
.ing-card h3{font-size:19px;margin-bottom:9px}
.ing-card p{font-size:14.8px;color:var(--ink-soft)}

/* CERTIFICATIONS */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:22px;max-width:1040px;margin:0 auto}
.cert-card{text-align:center}
.cert-card img{
  width:100%;height:auto;display:block;border-radius:10px;background:var(--cream-2);
  box-shadow:0 16px 34px -20px rgba(28,23,18,.4);margin-bottom:13px;
}
.cert-card p{font-size:13px;color:var(--ink-soft);line-height:1.5}
.cert-note{text-align:center;color:var(--ink-soft);font-size:13px;margin-top:30px}

/* CORE FEATURES */
.feat-sec{background:var(--cream-2)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{
  position:relative;background:var(--white);border-radius:var(--radius);padding:32px 26px 28px;
  border:1px solid rgba(28,23,18,.07);transition:.28s;
}
.feat-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px -26px rgba(28,23,18,.4)}
.feat-icon{
  width:50px;height:50px;border-radius:50%;background:var(--white);
  border:1.5px solid rgba(251,94,5,.35);display:flex;align-items:center;justify-content:center;
  color:var(--gold);margin-bottom:16px;
}
.feat-icon svg{width:22px;height:22px}
.feat-num{
  position:absolute;top:30px;right:26px;font-family:var(--serif);font-size:13px;
  color:var(--gold);font-weight:700;letter-spacing:.08em;
}
.feat-card h3{font-size:17.5px;margin-bottom:10px;line-height:1.5}
.feat-card h3 small{display:block;font-size:12px;font-weight:500;color:var(--ink-soft);letter-spacing:.02em;margin-top:4px;font-family:var(--sans)}
.feat-card p{font-size:14px;color:var(--ink-soft);line-height:1.75}

/* STEPS */
.steps{background:var(--cream-2);color:var(--ink)}
.steps .sec-head h2{color:var(--ink)}
.steps .sec-head p{color:var(--ink-soft)}
.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:28px}
.step{text-align:center;padding:0 10px}
.step-n{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  border:1.5px solid var(--gold);color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:20px;font-weight:600;
}
.step h3{font-size:18.5px;margin-bottom:9px;color:var(--ink)}
.step p{font-size:14.8px;color:var(--ink-soft)}

/* TESTIMONIALS */
.swipe-hint--testi{
  display:flex!important;align-items:center;justify-content:center;gap:8px;
  font-size:12px;letter-spacing:.03em;color:var(--ink-soft);opacity:.65;margin:-6px 0 18px;
}
.testi-scroll{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
  cursor:grab;padding:2px 2px 14px;user-select:none;
}
.testi-scroll::-webkit-scrollbar{display:none}
.testi-scroll.dragging{cursor:grabbing;scroll-snap-type:none}
.testi-scroll .testi{scroll-snap-align:start}
.testi{
  flex:0 0 320px;background:var(--white);border-radius:var(--radius);
  padding:30px 28px;border:1px solid rgba(28,23,18,.07);
}
.testi .stars{position:relative;display:inline-block;font-size:15px;margin-bottom:14px;letter-spacing:2px;line-height:1}
.testi .stars-bg{color:rgba(28,23,18,.15)}
.testi .stars-fg{position:absolute;top:0;left:0;overflow:hidden;white-space:nowrap;color:var(--gold)}
.testi p{font-size:15.2px;margin-bottom:20px;color:var(--ink)}
.testi-who{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--rose);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--plum);font-size:16px;flex-shrink:0;font-family:var(--serif);
}
.testi-who strong{display:block;font-size:14.8px;font-weight:500}
.testi-who small{color:var(--ink-soft);font-size:13px}

/* PRICING */
.pricing{background:var(--cream-2)}

.plan-scroll{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
  cursor:grab;padding:16px 2px 14px;user-select:none;
}
.plan-scroll::-webkit-scrollbar{display:none}
.plan-scroll.dragging{cursor:grabbing;scroll-snap-type:none}
.plan-card{
  position:relative;flex:0 0 290px;scroll-snap-align:start;
  background:var(--white);border-radius:var(--radius);overflow:hidden;
  border:1.5px solid rgba(28,23,18,.09);display:flex;flex-direction:column;
}
.plan-card.featured{border-color:var(--gold);box-shadow:0 26px 50px -30px rgba(251,94,5,.5)}
.plan-card-tag{
  position:absolute;top:14px;left:50%;transform:translateX(-50%);z-index:2;
  background:var(--plum);color:#fff;font-size:12px;font-weight:500;
  padding:6px 18px;border-radius:100px;letter-spacing:.08em;white-space:nowrap;
  box-shadow:0 8px 16px -6px rgba(28,23,18,.4);
}
.plan-card-tag.gold{background:var(--gold);box-shadow:0 8px 16px -6px rgba(251,94,5,.5)}
.plan-card-photo{width:100%;aspect-ratio:2/3;overflow:hidden;background:var(--cream-2)}
.plan-card-photo img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}
.plan-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.plan-card-title{font-family:var(--serif);font-size:26px;color:var(--plum);line-height:1;margin-bottom:8px}
.plan-card-sub{font-size:13.5px;color:var(--ink-soft);margin-bottom:18px}
.plan-card-price-box{
  display:inline-block;background:var(--gold);color:#fff;border-radius:14px;
  padding:14px 20px;margin-bottom:18px;align-self:flex-start;
}
.plan-card.featured .plan-card-price-box{background:var(--plum)}
.plan-card-price-label{font-size:12px;opacity:.85}
.plan-card-price{font-family:var(--serif);font-size:28px;font-weight:700;line-height:1.2}
.plan-card-per{font-size:12px;opacity:.85;margin-top:2px}
.plan-card-checks{list-style:none;display:grid;gap:9px;margin-bottom:22px}
.plan-card-checks li{font-size:13.5px;color:var(--ink-soft);display:flex;align-items:center;gap:6px}
.plan-card-checks li::before{content:'✓';color:var(--gold);font-weight:700}
.plan-card-btn{width:100%;margin-top:auto;pointer-events:auto}

.price-note{text-align:center;font-size:13.5px;color:var(--ink-soft);margin-top:26px}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:12px}
details{
  background:var(--white);border-radius:14px;padding:20px 24px;
  border:1px solid rgba(28,23,18,.08);cursor:pointer;
}
details summary{
  font-weight:500;font-size:16px;list-style:none;display:flex;
  justify-content:space-between;align-items:center;gap:16px;
}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';color:var(--gold);font-size:22px;font-weight:400;flex-shrink:0}
details[open] summary::after{content:'−'}
details p{margin-top:13px;font-size:15px;color:var(--ink-soft)}

/* FORM */
.cta-sec{background:var(--cream-2);color:var(--ink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.form-copy .eyebrow{color:var(--gold)}
.form-copy h2{font-size:clamp(25px,3.2vw,36px);color:var(--ink);margin-bottom:16px}
.form-copy p{color:var(--ink-soft);font-size:16px;margin-bottom:26px}
.form-perks{list-style:none;display:grid;gap:12px}
.form-perks li{display:flex;gap:11px;font-size:15px;color:var(--ink-soft)}
.form-perks li::before{content:'✓';color:var(--gold);font-weight:700}
.pay-methods{margin-top:28px}
.pay-methods-label{font-size:13px;color:var(--ink-soft);font-weight:600;letter-spacing:.03em;margin-bottom:12px}
.pay-badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.pay-badge{display:inline-flex;align-items:center;gap:6px;background:var(--white);border:1px solid rgba(28,23,18,.1);border-radius:10px;padding:6px 10px;box-shadow:0 2px 6px -3px rgba(28,23,18,.12);height:30px;box-sizing:content-box}
.pay-badge img{height:30px;width:auto;display:block;border-radius:3px}
.pay-badge em{font-style:normal;font-size:11px;font-weight:700;color:var(--ink-soft);white-space:nowrap}
.form-box{background:var(--white);border-radius:22px;padding:34px 32px;color:var(--ink);border:1px solid rgba(28,23,18,.08)}
.form-box h3{font-size:21px;margin-bottom:6px}
.form-box .fsub{font-size:14.5px;color:var(--ink-soft);margin-bottom:22px}
.field{margin-bottom:15px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid rgba(28,23,18,.14);
  border-radius:11px;font-size:15px;font-family:inherit;background:var(--cream);
  color:var(--ink);transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:#fff;
}
.field textarea{resize:vertical;min-height:88px}
.form-box .btn{width:100%;margin-top:6px}
.form-fine{font-size:12.8px;color:var(--ink-soft);margin-top:14px;text-align:center;line-height:1.6}
.form-msg{display:none;padding:16px;border-radius:12px;font-size:14.5px;margin-top:14px}
.form-msg.ok{display:block;background:#E7F4EC;color:#1D6B3C}
.form-msg.err{display:block;background:#FCE9E9;color:#A32626}
@media(max-width:860px){.form-grid{grid-template-columns:1fr;gap:38px}}

/* FOOTER */
footer{background:var(--white);color:var(--ink-soft);padding:52px 0 34px;font-size:14.5px;border-top:1px solid rgba(28,23,18,.08)}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:32px}
.foot-brand .logo{color:var(--plum);display:inline-block;margin-bottom:10px}
.foot-brand p{max-width:330px;font-size:14.5px}
.foot-social{display:flex;gap:12px;margin-top:18px}
.foot-social a{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(28,23,18,.05);transition:.25s;
}
.foot-social a:hover{background:var(--gold)}
.foot-social svg{width:17px;height:17px;fill:var(--ink)}
.foot-social a:hover svg{fill:#fff}
.foot-social a.xhs{background:#FF2442;border-radius:11px}
.foot-social a.xhs:hover{background:#E01530}
.xhs-mark{
  color:#fff;font-family:var(--sans);font-weight:700;font-size:8.5px;
  letter-spacing:-.03em;line-height:1;white-space:nowrap;transform:scale(.94);
}
.foot-links{display:flex;gap:52px;flex-wrap:wrap}
.foot-col h4{font-size:13px;letter-spacing:.16em;color:var(--gold);margin-bottom:14px;font-family:var(--sans);font-weight:700}
.foot-col a{display:block;text-decoration:none;margin-bottom:9px;transition:.2s;color:var(--ink-soft)}
.foot-col a:hover{color:var(--plum)}
.disclaimer{
  border-top:1px solid rgba(28,23,18,.08);padding-top:22px;
  font-size:12.8px;line-height:1.9;color:var(--ink-soft);
}
.disclaimer strong{color:var(--ink);font-weight:500}

/* WHATSAPP FLOAT */
.wa{
  position:fixed;bottom:22px;right:22px;z-index:60;
  width:56px;height:56px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px -8px rgba(37,211,102,.7);text-decoration:none;transition:.25s;
}
.wa:hover{transform:scale(1.07)}

/* ===== ABOUT PAGE ===== */
.about-hero{display:grid;grid-template-columns:1.1fr .9fr;min-height:480px}
.about-hero-copy{
  background:var(--cream-2);color:var(--ink);
  display:flex;flex-direction:column;justify-content:center;
  padding:70px 60px;position:relative;
}
.about-hero-copy .eyebrow{color:var(--gold)}
.about-hero-copy h1{color:var(--ink);font-size:clamp(28px,3.8vw,46px);margin-bottom:20px}
.about-hero-copy p{color:var(--ink-soft);font-size:16.5px;max-width:460px}
.about-hero-img{
  background:var(--white);border-left:1px solid rgba(28,23,18,.07);
  display:flex;align-items:center;justify-content:center;padding:40px;position:relative;overflow:hidden;
}
.about-hero-img::before{
  content:'';position:absolute;top:-110px;right:-130px;width:480px;height:435px;
  background-image:url('marigold-bg.png');background-size:contain;background-repeat:no-repeat;
  opacity:.6;pointer-events:none;
}
.about-hero-img::after{
  content:'';position:absolute;bottom:-150px;left:-150px;width:400px;height:362px;
  background-image:url('marigold-bg.png');background-size:contain;background-repeat:no-repeat;
  opacity:.3;transform:scaleX(-1) rotate(10deg);pointer-events:none;
}
.about-hero-img img{max-width:74%;filter:drop-shadow(0 24px 32px rgba(23,19,16,.35));position:relative;z-index:1}
@media(max-width:860px){.about-hero{grid-template-columns:1fr}.about-hero-copy{padding:56px 28px}.about-hero-img{padding:36px}}

.about-block{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:90px 0}
.about-block.reverse{grid-template-columns:1fr 1fr}
.about-block.reverse .about-block-img{order:2}
.about-block.reverse .about-block-copy{order:1}
.about-block-img img{border-radius:20px;width:100%;box-shadow:0 30px 60px -34px rgba(23,19,16,.35)}
.about-block-copy h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px}
.about-block-copy p{color:var(--ink-soft);font-size:16px;margin-bottom:14px}
@media(max-width:860px){
  .about-block{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .about-block.reverse .about-block-img,.about-block.reverse .about-block-copy{order:initial}
}

.about-alt{background:var(--cream-2)}

.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.value-card{background:var(--white);border-radius:var(--radius);padding:32px 26px;border:1px solid rgba(28,23,18,.07);text-align:center}
.value-card .vnum{
  width:46px;height:46px;border-radius:50%;background:var(--cream-2);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
  font-family:var(--serif);color:var(--gold);font-weight:700;font-size:16px;
}
.value-card h3{font-size:17px;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--ink-soft)}

.about-ing-mini{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}
.about-ing-mini figure{margin:0}
.about-ing-mini img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;margin-bottom:10px}
.about-ing-mini figcaption{font-size:13.5px;text-align:center;color:var(--ink-soft)}

.about-cta{background:var(--cream-2);color:var(--ink);text-align:center;padding:80px 0}
.about-cta h2{color:var(--ink);margin-bottom:16px}
.about-cta p{color:var(--ink-soft);margin-bottom:26px;max-width:480px;margin-left:auto;margin-right:auto}

.swipe-hint{display:none}

/* =======================================================
   MOBILE REFINEMENT — Sulwhasoo 编辑感版式
   仅影响手机宽度（<=640px），电脑版排版保持不变
   ======================================================= */
@media(max-width:640px){
  .wrap{padding:0 20px}

  /* rhythm & type */
  section{padding:52px 0}
  .sec-head{margin-bottom:32px}
  .eyebrow{font-size:11.5px;letter-spacing:.2em;margin-bottom:11px}
  .sec-head h2{font-size:clamp(21px,6.2vw,26px);letter-spacing:.005em}
  .sec-head p{font-size:14.5px}

  /* header */
  .nav{height:58px}
  .logo-img{height:24px}

  /* hero */
  .hero-copy{padding:32px 20px 40px;order:1}
  .hero h1{font-size:clamp(21px,7vw,25px);margin-bottom:16px}
  .hero p.lead{font-size:14.5px;margin-bottom:22px}
  .hero-stats{gap:10px;margin-bottom:24px}
  .hero-stat{padding:10px 14px;min-width:0;flex:1 1 auto}
  .hero-stat b{font-size:18px}
  .hero-stat span{font-size:11.5px}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .visual-stack{order:-1}

  /* swipe hint — shown above horizontally-scrollable sections */
  .swipe-hint{
    display:flex;align-items:center;justify-content:center;gap:8px;
    font-size:11.5px;letter-spacing:.03em;color:var(--ink-soft);
    opacity:.65;margin:-6px 0 14px;
  }

  /* horizontal-scroll carousels (edge-to-edge, next card peeks in) */
  .ing-grid,.value-grid,.about-ing-mini,.ba-grid,.feat-grid,.cert-grid{
    display:flex;flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
    margin:0 -20px;padding:2px 20px 10px;gap:14px;
  }
  .ing-grid::-webkit-scrollbar,
  .value-grid::-webkit-scrollbar,
  .about-ing-mini::-webkit-scrollbar,.ba-grid::-webkit-scrollbar,
  .feat-grid::-webkit-scrollbar,.cert-grid::-webkit-scrollbar{display:none}
  .ing-card{flex:0 0 72%;scroll-snap-align:start;padding:22px 20px}
  .ing-thumb{aspect-ratio:16/10}
  .cert-card{flex:0 0 44%;scroll-snap-align:start}
  .testi{flex:0 0 78%;padding:22px 20px}
  .testi-scroll{margin:0 -20px;padding:2px 20px 14px}
  .value-card{flex:0 0 68%;scroll-snap-align:start;padding:26px 22px}
  .about-ing-mini{gap:12px}
  .about-ing-mini figure{flex:0 0 118px;scroll-snap-align:start}
  .ba-card{flex:0 0 82%;scroll-snap-align:start}
  .ba-tags{gap:10px}
  .feat-card{flex:0 0 76%;scroll-snap-align:start;padding:26px 22px}
  .feat-num{top:24px;right:20px}
  .ba-tags span{font-size:13px;padding:9px 16px}

  /* fission chart — stacked vertical flow on mobile */
  .fission-source-icon{width:52px;height:52px}
  .fission-source-icon svg{width:22px;height:22px}
  .fission-source h3{font-size:16.5px}
  .fission-trunk{height:22px}
  .fission-results{
    display:flex;flex-direction:column;gap:0;border-top:none;padding-top:0;
  }
  .fission-node{
    text-align:left;padding:18px 0 18px 30px;display:block;
    border-bottom:1px solid rgba(28,23,18,.08);
  }
  .fission-node:last-child{border-bottom:none}
  .fission-node::before{top:0;left:6px;width:1.5px;height:100%;transform:none}
  .fission-node:last-child::before{height:24px}
  .fission-node::after{top:24px;left:6px;transform:translate(-50%,-50%)}
  .fn-num{margin-bottom:6px}
  .fission-node h3{font-size:16px;margin-bottom:5px}
  .fission-node p{font-size:13.5px}

  .prob-stat{margin-top:24px;padding:22px 22px;flex-direction:column;align-items:flex-start;gap:10px}
  .prob-stat b{font-size:36px}

  /* ingredients section flower */
  #chengfen::before{width:300px;height:275px;top:-60px;left:-90px}

  /* steps */
  .step-grid{gap:0}
  .step{
    text-align:left;padding:18px 0;display:flex;gap:16px;align-items:flex-start;
    border-bottom:1px solid rgba(28,23,18,.08);
  }
  .step:last-child{border-bottom:none}
  .step-n{margin:0;flex-shrink:0;width:42px;height:42px;font-size:16px}
  .step h3{font-size:16.5px;margin-bottom:5px}

  /* pricing */
  .plan-scroll{margin:0 -20px;padding:16px 20px 14px}
  .plan-card{flex:0 0 78%}

  /* faq */
  details{padding:16px 18px}
  details summary{font-size:14.5px}

  /* form */
  .form-grid{gap:30px}
  .form-copy h2{font-size:clamp(21px,6.2vw,26px)}
  .form-box{padding:26px 22px;border-radius:18px}

  /* footer */
  .foot-top{flex-direction:column;gap:36px}
  .foot-links{gap:34px}

  /* about hero: image first, copy second — editorial banner feel */
  .about-hero{grid-template-columns:1fr;min-height:0}
  .about-hero-img{order:-1;padding:44px 28px;min-height:320px}
  .about-hero-copy{padding:44px 28px}
  .about-hero-copy h1{font-size:clamp(24px,7.5vw,30px)}
  .about-hero-copy p{font-size:15px}
  .about-hero-img::before{width:300px;height:272px;top:-70px;right:-90px}
  .about-hero-img::after{width:250px;height:227px;bottom:-90px;left:-90px}

  .about-block{padding:44px 0;gap:26px}
  .about-block-copy h2{font-size:clamp(20px,6vw,24px)}
  .about-block-copy p{font-size:14.5px}

  .about-cta{padding:56px 0}
}

/* 付款结果提示条：顾客从 HitPay 跳回网站时，根据订单实际状态显示成功／失败／确认中 */
.paid-banner{
  position:sticky;top:0;left:0;right:0;z-index:999;
  background:var(--gold);color:#fff;
}
.paid-banner.state-fail{ background:#B23A2E; }
.paid-banner.state-pending{ background:var(--ink-soft); }
.paid-banner-inner{
  max-width:var(--maxw);margin:0 auto;padding:12px 44px 12px 20px;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;line-height:1.5;position:relative;
}
.paid-banner-title{font-weight:700}
.paid-banner-close{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:#fff;font-size:22px;line-height:1;
  cursor:pointer;padding:6px;opacity:.85;
}
.paid-banner-close:hover{opacity:1}
@media(max-width:600px){
  .paid-banner-inner{padding:10px 40px 10px 14px;font-size:12.5px}
}