/* ============================================================
   Shaanxi Dangdang Food Co., Ltd. — Global B2B Website
   Design system: premium editorial / modern minimalist
   ============================================================ */
:root{
  --ink:#10201a;
  --ink-soft:#3d4f47;
  --green-950:#071f18;
  --green-900:#0a2e24;
  --green-800:#0d3d2f;
  --green-600:#14503c;
  --green-500:#1d6b52;
  --sage:#a8c3b0;
  --sage-soft:#dce8de;
  --cream:#f7f4ee;
  --cream-2:#f1ece2;
  --paper:#ffffff;
  --amber:#e39a45;
  --amber-deep:#c97e2b;
  --wa:#25d366;
  --line:rgba(16,32,26,.12);
  --line-dark:rgba(255,255,255,.14);
  --r-lg:22px;
  --r-md:16px;
  --r-pill:999px;
  --shadow-lg:0 30px 60px -18px rgba(7,31,24,.25);
  --shadow-md:0 18px 40px -16px rgba(7,31,24,.18);
  --shadow-sm:0 6px 18px -6px rgba(7,31,24,.12);
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--amber);color:#fff}

/* ---------- typography ---------- */
h1,h2,h3,.display{font-family:var(--font-display);font-weight:500;line-height:1.12;letter-spacing:-.01em}
.display-xl{font-size:clamp(2.6rem,5.4vw,4.6rem)}
.display-lg{font-size:clamp(2.1rem,4vw,3.4rem)}
.display-md{font-size:clamp(1.5rem,2.6vw,2.2rem)}
.accent{font-style:italic;color:var(--amber-deep)}
.on-dark .accent{color:var(--amber)}
.lead{font-size:clamp(1.02rem,1.35vw,1.2rem);color:var(--ink-soft);max-width:56ch}
.on-dark .lead{color:rgba(255,255,255,.78)}
.kicker{
  display:inline-flex;align-items:center;gap:14px;
  font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--green-600);
}
.kicker::before{content:"";width:34px;height:1.5px;background:var(--amber-deep)}
.on-dark .kicker{color:var(--sage)}
.num{font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.container{width:min(1200px,92%);margin-inline:auto}
.container-wide{width:min(1360px,94%);margin-inline:auto}
.section{padding:clamp(72px,9vw,128px) 0}
.section-sm{padding:clamp(48px,6vw,80px) 0}
.section-dark{background:var(--green-900);color:#fff;position:relative;overflow:hidden}
.section-cream{background:var(--cream)}
.grid{display:grid;gap:28px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(36px,5vw,64px)}
.sec-head .lead{margin-top:14px}

/* grain texture for dark sections */
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}
.section-dark>*{position:relative;z-index:1}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:var(--r-pill);
  font-weight:600;font-size:.95rem;letter-spacing:.01em;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s;
  position:relative;white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:var(--green-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--green-800);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-amber{background:var(--amber);color:#231502;box-shadow:var(--shadow-sm)}
.btn-amber:hover{background:var(--amber-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green-600);color:var(--green-600);transform:translateY(-2px)}
.btn-ghost-light{border:1.5px solid var(--line-dark);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#052e16}
.btn-wa:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-sm{padding:11px 22px;font-size:.86rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--green-600);border-bottom:1.5px solid transparent;transition:.3s}
.link-arrow:hover{border-color:var(--green-600)}
.link-arrow svg{width:15px;height:15px;transition:transform .3s}
.link-arrow:hover svg{transform:translateX(4px)}
.on-dark .link-arrow{color:var(--amber)}

/* ---------- header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s,box-shadow .4s,transform .4s;
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
}
.header.scrolled{border-bottom-color:var(--line);box-shadow:0 8px 30px -18px rgba(7,31,24,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:13px;background:var(--green-800);color:#fff;
  display:grid;place-items:center;font-family:var(--font-display);font-weight:600;font-size:1.15rem;
  letter-spacing:-.02em;position:relative;overflow:hidden;flex:none;
}
.logo-mark::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 20% 15%,rgba(227,154,69,.55),transparent 55%)}
.logo-mark span{position:relative;z-index:1}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-family:var(--font-display);font-weight:600;font-size:1.06rem;letter-spacing:.01em}
.logo-text small{font-size:.6rem;letter-spacing:.26em;text-transform:uppercase;color:var(--ink-soft);font-weight:600}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:10px 15px;border-radius:var(--r-pill);font-weight:500;font-size:.93rem;color:var(--ink-soft);transition:.25s}
.nav a:hover{color:var(--green-600);background:rgba(20,80,60,.07)}
.nav a.active{color:var(--green-600);font-weight:600}
.header-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);place-items:center}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.3s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.3s}
.burger span::before{top:-6px}.burger span::after{top:6px}
body.menu-open .burger span{background:transparent}
body.menu-open .burger span::before{transform:rotate(45deg);top:0}
body.menu-open .burger span::after{transform:rotate(-45deg);top:0}
.mobile-nav{
  position:fixed;inset:74px 0 auto 0;z-index:99;background:var(--paper);
  padding:18px 4% 30px;display:none;flex-direction:column;gap:4px;
  border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.mobile-nav a{padding:14px 10px;font-weight:600;border-bottom:1px solid var(--line);font-size:1.05rem}
.mobile-nav .btn{margin-top:16px;justify-content:center}
body.menu-open .mobile-nav{display:flex}

/* ---------- hero ---------- */
.hero{padding:150px 0 90px;position:relative;overflow:hidden;background:
  radial-gradient(60% 80% at 85% 10%,rgba(227,154,69,.14),transparent 60%),
  radial-gradient(50% 60% at 0% 90%,rgba(20,80,60,.08),transparent 55%),
  var(--cream);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-copy .lead{margin:22px 0 34px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:.8rem;font-weight:600;color:var(--ink-soft);
}
.trust-chip svg{width:14px;height:14px;color:var(--green-600);flex:none}
.hero-visual{position:relative}
.hero-img{
  border-radius:300px 300px var(--r-lg) var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);position:relative;
  aspect-ratio:3/3.7;
}
.hero-img img{width:100%;height:100%;object-fit:cover;transition:transform 8s var(--ease)}
.hero:hover .hero-img img{transform:scale(1.06)}
.hero-badge{
  position:absolute;right:-14px;top:56%;background:var(--green-900);color:#fff;
  border-radius:18px;padding:16px 20px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:14px;z-index:2;
}
.hero-badge .big{font-family:var(--font-display);font-size:1.7rem;color:var(--amber);line-height:1}
.hero-badge small{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.75);font-weight:600;line-height:1.4;display:block}
.hero-ring{
  position:absolute;left:-34px;bottom:34px;width:120px;height:120px;border-radius:50%;
  background:var(--amber);display:grid;place-items:center;text-align:center;color:#231502;
  font-weight:700;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;line-height:1.5;
  box-shadow:var(--shadow-md);z-index:2;padding:12px;
}

/* ---------- marquee ---------- */
.marquee{background:var(--green-900);color:#fff;padding:20px 0;overflow:hidden;position:relative;border-block:1px solid rgba(255,255,255,.06)}
.marquee-track{display:flex;gap:0;width:max-content;animation:marquee 34s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-item{display:inline-flex;align-items:center;gap:16px;padding:0 28px;font-size:.86rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.85);white-space:nowrap}
.marquee-item::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--green-900);padding:clamp(28px,3.4vw,44px) clamp(20px,2.6vw,36px)}
.stat .val{font-family:var(--font-display);font-size:clamp(2rem,3.4vw,3rem);color:var(--amber);line-height:1;display:flex;align-items:baseline;gap:4px}
.stat .val small{font-size:1rem;color:rgba(255,255,255,.6);font-weight:500}
.stat .lbl{margin-top:12px;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.62);font-weight:600;line-height:1.5}

/* ---------- product cards ---------- */
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.p-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);display:flex;flex-direction:column;
}
.p-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.p-media{position:relative;overflow:hidden;aspect-ratio:1/.86;background:var(--cream-2)}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.p-card:hover .p-media img{transform:scale(1.07)}
.p-tag{
  position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);
  padding:6px 13px;border-radius:var(--r-pill);font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-600);
}
.p-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.p-body h3{font-size:1.28rem}
.p-body h3 a::after{content:"";position:absolute;inset:0}
.p-card{position:relative}
.p-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:8px}
.meta-pill{font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:var(--r-pill);background:var(--cream);color:var(--ink-soft)}
.p-flavors{font-size:.85rem;color:var(--ink-soft)}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.filter-chip{
  padding:10px 20px;border-radius:var(--r-pill);border:1.5px solid var(--line);font-size:.86rem;font-weight:600;color:var(--ink-soft);transition:.25s;
}
.filter-chip:hover{border-color:var(--green-600);color:var(--green-600)}
.filter-chip.active{background:var(--green-600);border-color:var(--green-600);color:#fff}

/* ---------- split / feature blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split .media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform 1.2s var(--ease)}
.split:hover .media img{transform:scale(1.04)}
.split.rev .media{order:2}
.check-list{margin:26px 0 30px;display:grid;gap:14px}
.check-list li{display:flex;gap:13px;align-items:flex-start;color:var(--ink-soft)}
.check-list svg{width:20px;height:20px;color:var(--green-600);flex:none;margin-top:2px}
.check-list b{color:var(--ink)}
.on-dark .check-list li{color:rgba(255,255,255,.78)}
.on-dark .check-list svg{color:var(--amber)}
.on-dark .check-list b{color:#fff}

/* engine cards */
.engine-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.engine{
  border-radius:var(--r-lg);overflow:hidden;position:relative;min-height:460px;display:flex;
  color:#fff;isolation:isolate;
}
.engine img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.4s var(--ease)}
.engine::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,31,24,.15) 0%,rgba(7,31,24,.55) 55%,rgba(7,31,24,.92) 100%);z-index:-1}
.engine:hover img{transform:scale(1.05)}
.engine-inner{margin-top:auto;padding:clamp(24px,3vw,38px);display:flex;flex-direction:column;gap:12px}
.engine .kicker{color:var(--amber)}
.engine h3{font-size:clamp(1.5rem,2.4vw,2rem)}
.engine p{color:rgba(255,255,255,.8);font-size:.95rem;max-width:44ch}

/* ---------- cert cards ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cert-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;
  display:flex;flex-direction:column;gap:14px;transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.cert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.cert-ico{width:52px;height:52px;border-radius:15px;background:var(--sage-soft);display:grid;place-items:center;color:var(--green-600)}
.cert-ico svg{width:26px;height:26px}
.cert-card h3{font-size:1.15rem}
.cert-card .cert-no{font-size:.78rem;color:var(--ink-soft);letter-spacing:.02em}
.cert-card .thumb{margin-top:auto;border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--cream-2);cursor:zoom-in}
.cert-card .thumb img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .6s var(--ease)}
.cert-card .thumb:hover img{transform:scale(1.05)}

/* ---------- steps (OEM process) ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{background:rgba(255,255,255,.045);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:26px 20px;position:relative;transition:background .3s,transform .4s var(--ease)}
.step:hover{background:rgba(255,255,255,.08);transform:translateY(-5px)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-display);font-size:2rem;color:var(--amber);display:block;line-height:1;margin-bottom:14px;
}
.step h4{font-size:1.02rem;margin-bottom:8px;font-family:var(--font-body);font-weight:700}
.step p{font-size:.85rem;color:rgba(255,255,255,.68);line-height:1.6}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--green-800);color:#fff;padding:clamp(48px,7vw,90px) clamp(28px,6vw,80px);text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 120% at 50% -20%,rgba(227,154,69,.28),transparent 60%)}
.cta-band>*{position:relative}
.cta-band .lead{margin:16px auto 32px}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:13px;border:1.5px solid var(--line);
  background:#fff;font-family:inherit;font-size:.95rem;color:var(--ink);transition:border .25s,box-shadow .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green-600);box-shadow:0 0 0 4px rgba(20,80,60,.12)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:.8rem;color:var(--ink-soft);margin-top:12px}
.form-status{display:none;margin-top:14px;padding:13px 16px;border-radius:12px;font-size:.9rem;font-weight:600}
.form-status.ok{display:block;background:#e5f3ea;color:#0f5132}
.form-status.err{display:block;background:#fbe9e4;color:#8a2b12}

/* ---------- contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:start}
.info-card{background:var(--cream);border-radius:var(--r-lg);padding:30px;display:flex;flex-direction:column;gap:0}
.info-row{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.info-row:last-child{border-bottom:none}
.info-ico{width:44px;height:44px;border-radius:13px;background:#fff;box-shadow:var(--shadow-sm);display:grid;place-items:center;color:var(--green-600);flex:none}
.info-ico svg{width:20px;height:20px}
.info-row b{display:block;font-size:.95rem}
.info-row span{font-size:.88rem;color:var(--ink-soft);word-break:break-word}
.wechat-card{margin-top:22px;background:var(--green-900);color:#fff;border-radius:var(--r-lg);padding:30px;text-align:center}
.wechat-qr{
  width:168px;height:168px;margin:18px auto 14px;border-radius:18px;background:#fff;
  display:grid;place-items:center;color:var(--green-600);position:relative;overflow:hidden;
}
.wechat-qr svg{width:64px;height:64px;opacity:.85}
.wechat-card small{color:rgba(255,255,255,.65);font-size:.78rem;display:block;margin-top:6px}

/* ---------- footer ---------- */
.footer{background:var(--green-950);color:#fff;padding:clamp(56px,7vw,90px) 0 0;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}
.footer .container-wide{position:relative}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:56px;border-bottom:1px solid var(--line-dark)}
.footer-brand p{color:rgba(255,255,255,.62);font-size:.9rem;margin-top:16px;max-width:34ch}
.footer h5{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:18px;font-weight:700}
.footer-col a{display:block;padding:6px 0;color:rgba(255,255,255,.72);font-size:.92rem;transition:.25s}
.footer-col a:hover{color:#fff;transform:translateX(4px)}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.72);font-size:.9rem;padding:6px 0;align-items:flex-start}
.footer-contact svg{width:16px;height:16px;color:var(--amber);flex:none;margin-top:4px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:26px 0;font-size:.8rem;color:rgba(255,255,255,.45)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}
.footer-word{
  font-family:var(--font-display);font-weight:600;font-size:clamp(3rem,9vw,7.5rem);line-height:1;
  color:rgba(255,255,255,.06);letter-spacing:.02em;text-align:center;padding:0 0 10px;user-select:none;white-space:nowrap;
}

/* ---------- whatsapp float ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:90;width:60px;height:60px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;color:#fff;box-shadow:0 14px 30px -8px rgba(37,211,102,.55);
  transition:transform .3s var(--ease);
}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:30px;height:30px}
.wa-float::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--wa);opacity:.5;animation:wapulse 2.2s ease-out infinite}
@keyframes wapulse{0%{transform:scale(.8);opacity:.6}100%{transform:scale(1.35);opacity:0}}

/* ---------- quote modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-back{position:absolute;inset:0;background:rgba(7,31,24,.6);backdrop-filter:blur(6px);animation:fadeIn .3s}
.modal-card{
  position:relative;background:#fff;border-radius:var(--r-lg);width:min(560px,100%);
  max-height:90vh;overflow:auto;padding:clamp(26px,4vw,42px);animation:slideUp .4s var(--ease);box-shadow:var(--shadow-lg);
}
.modal-close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;background:var(--cream);display:grid;place-items:center;font-size:1.1rem;color:var(--ink-soft);transition:.25s}
.modal-close:hover{background:var(--cream-2);transform:rotate(90deg)}
@keyframes fadeIn{from{opacity:0}}
@keyframes slideUp{from{opacity:0;transform:translateY(26px)}}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:210;display:none;align-items:center;justify-content:center;padding:4vh 4vw;background:rgba(7,20,15,.9)}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:var(--shadow-lg)}
.lightbox-close{position:absolute;top:20px;right:24px;color:#fff;font-size:2rem;line-height:1;opacity:.8}
.lightbox-close:hover{opacity:1}

/* ---------- cookie banner ---------- */
.cookie{
  position:fixed;left:20px;bottom:20px;z-index:150;width:min(420px,calc(100vw - 40px));
  background:var(--green-950);color:#fff;border-radius:var(--r-md);padding:22px 24px;
  box-shadow:var(--shadow-lg);display:none;animation:slideUp .5s var(--ease);
}
.cookie.show{display:block}
.cookie p{font-size:.85rem;color:rgba(255,255,255,.75);margin:8px 0 16px}
.cookie-actions{display:flex;gap:10px}
.cookie .btn{padding:10px 20px;font-size:.84rem}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}.reveal-d4{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:170px 0 clamp(48px,6vw,80px);background:
  radial-gradient(55% 90% at 90% 0%,rgba(227,154,69,.13),transparent 60%),var(--cream);}
.page-hero .lead{margin-top:18px}
.breadcrumbs{display:flex;gap:8px;font-size:.8rem;color:var(--ink-soft);margin-bottom:22px;flex-wrap:wrap}
.breadcrumbs a{color:var(--green-600);font-weight:600}

/* ---------- product detail ---------- */
.pd-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:start}
.pd-gallery{display:grid;gap:14px}
.pd-main{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);cursor:zoom-in;background:var(--cream-2)}
.pd-main img{width:100%;aspect-ratio:1/.92;object-fit:cover;transition:transform .8s var(--ease)}
.pd-main:hover img{transform:scale(1.04)}
.pd-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pd-thumbs img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:13px;border:1.5px solid var(--line);cursor:zoom-in;transition:.25s;background:#fff}
.pd-thumbs img:hover{border-color:var(--green-600);transform:translateY(-3px)}
.pd-info .display-md{margin:10px 0 8px}
.pd-cn{font-size:1rem;color:var(--ink-soft);letter-spacing:.3em;font-weight:600}
.flavor-chips{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}
.flavor-chip{padding:9px 17px;border-radius:var(--r-pill);background:var(--cream);border:1px solid var(--line);font-size:.84rem;font-weight:600}
.spec-table{width:100%;border-collapse:collapse;margin:10px 0 28px}
.spec-table td{padding:13px 4px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top}
.spec-table td:first-child{font-weight:700;width:38%;color:var(--ink)}
.spec-table td:last-child{color:var(--ink-soft)}
.pd-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}

/* gallery band */
.band{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:380px;display:flex;align-items:flex-end;color:#fff;isolation:isolate}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(7,31,24,.85));z-index:-1}
.band-inner{padding:clamp(26px,4vw,48px)}

/* generic card */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,36px)}
.card h3{margin-bottom:12px}
.card p{color:var(--ink-soft);font-size:.95rem}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-ico{width:54px;height:54px;border-radius:16px;background:var(--sage-soft);color:var(--green-600);display:grid;place-items:center;margin-bottom:18px}
.value-ico svg{width:26px;height:26px}

/* timeline (about) */
.timeline{position:relative;margin-left:10px;padding-left:34px;border-left:1.5px solid var(--line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item::before{content:"";position:absolute;left:-41px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--amber);border:3px solid #fff;box-shadow:0 0 0 1.5px var(--amber)}
.tl-item .yr{font-family:var(--font-display);font-size:1.3rem;color:var(--green-600)}
.tl-item p{color:var(--ink-soft);font-size:.94rem;max-width:60ch}

/* ---------- responsive ---------- */
@media (max-width:1060px){
  .p-grid,.cert-grid,.value-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav{display:none}
  .burger{display:grid}
  .header-cta .btn-quote-desktop{display:none}
  .hero{padding:128px 0 70px}
  .hero-grid,.split,.pd-grid,.contact-grid{grid-template-columns:1fr}
  .split.rev .media{order:0}
  .hero-visual{max-width:520px;margin-inline:auto;width:100%}
  .engine-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-word{white-space:normal;word-break:break-word}
}
@media (max-width:620px){
  .p-grid,.cert-grid,.value-grid,.steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero-badge{right:6px;top:auto;bottom:70px;padding:12px 16px}
  .hero-ring{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:22px 18px}
  .wa-float{width:54px;height:54px;right:16px;bottom:16px}
  .cookie{left:12px;right:12px;width:auto;bottom:84px}
}

/* ---------- language switch ---------- */
.lang-switch{display:flex;align-items:center;gap:2px;background:var(--cream);border:1px solid var(--line);border-radius:999px;padding:3px;flex:none}
.lang-switch a{padding:6px 13px;border-radius:999px;font-size:.78rem;font-weight:700;color:var(--ink-soft);transition:.25s;line-height:1.2}
.lang-switch a:hover{color:var(--green-600)}
.lang-switch a.active{background:var(--green-600);color:#fff}
.mobile-nav .lang-switch{margin-top:14px;justify-content:center}

/* ---------- zh typography ---------- */
body.lang-zh{--font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif}
body.lang-zh h1,body.lang-zh h2,body.lang-zh h3,body.lang-zh .display{letter-spacing:.01em;font-weight:600}
body.lang-zh .display-xl{font-size:clamp(2.1rem,4.4vw,3.7rem)}
body.lang-zh .display-lg{font-size:clamp(1.75rem,3.2vw,2.7rem)}
body.lang-zh .display-md{font-size:clamp(1.4rem,2.4vw,2rem)}
body.lang-zh .kicker{letter-spacing:.14em}
body.lang-zh .accent{font-style:normal}
body.lang-zh .pd-cn{letter-spacing:.35em;font-family:var(--font-display);font-weight:600}
body.lang-zh .step h4{font-weight:700}

/* ---------- capability grid (customization) ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cap-grid .card{padding:24px}
.cap-grid .card h3{font-size:1.05rem;margin-bottom:8px}
.cap-grid .card p{font-size:.88rem}
@media (max-width:900px){.cap-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.cap-grid{grid-template-columns:1fr}}

/* ---------- QR blocks ---------- */
.wechat-qr img{width:100%;border-radius:8px;display:block}
.wechat-qr{padding:10px}
.footer-brand .qr-mini{margin-top:18px;background:#fff;border-radius:12px;padding:10px;width:120px}
.footer-brand .qr-mini img{width:100%;border-radius:6px}
.footer-brand .qr-mini small{display:block;text-align:center;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-top:6px;font-weight:700}
@media (max-width:900px){.header-cta .lang-switch{display:none}}

/* ================= v3 blocks ================= */
/* production process */
.proc{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(30px,5vw,80px);align-items:start}
.proc-side{position:sticky;top:104px}
.proc-side .lead{margin-top:16px}
.proc-facts{display:grid;gap:14px;margin-top:30px;padding-top:26px;border-top:1px solid var(--line)}
.proc-fact{display:grid;grid-template-columns:auto 1fr;column-gap:14px;align-items:baseline}
.proc-fact b{font-family:var(--font-display);font-size:1.75rem;color:var(--green-600);line-height:1}
.proc-fact span{font-weight:700;font-size:.92rem}
.proc-fact small{grid-column:2;color:var(--ink-soft);font-size:.82rem;line-height:1.55;margin-top:3px}
.proc-foot{font-size:.82rem;color:var(--ink-soft);margin-top:14px;max-width:38ch;line-height:1.6}
.proc-list{border-top:1px solid var(--line)}
.proc-item{display:grid;grid-template-columns:64px 1fr;gap:10px;padding:24px 0;border-bottom:1px solid var(--line)}
.proc-n{font-family:var(--font-display);font-size:1.35rem;color:var(--amber-deep);line-height:1.2}
.proc-item h4{font-family:var(--font-body);font-size:1.02rem;font-weight:700;margin-bottom:7px;letter-spacing:0}
.proc-item p{font-size:.9rem;color:var(--ink-soft);line-height:1.68;max-width:62ch}
.pchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
.pchip{font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;font-weight:700;color:var(--green-600);background:var(--sage-soft);padding:4px 9px;border-radius:var(--r-pill);line-height:1.4}
body.lang-zh .pchip{text-transform:none;letter-spacing:.02em;font-size:.72rem}

/* global reach panel */
.panel-dark{background:var(--green-900);color:#fff;border-radius:var(--r-lg);padding:clamp(26px,4vw,52px);position:relative;overflow:hidden;isolation:isolate}
.panel-dark::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background:radial-gradient(900px 420px at 88% -10%,rgba(227,154,69,.22),transparent 62%),radial-gradient(700px 380px at 0% 110%,rgba(29,107,82,.55),transparent 65%)}
.pstats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-bottom:26px;border-bottom:1px solid var(--line-dark)}
.pstats b{display:block;font-family:var(--font-display);font-size:clamp(1.9rem,3.4vw,2.9rem);color:var(--amber);line-height:1}
.pstats span{display:block;margin-top:9px;font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(255,255,255,.6);font-weight:600;line-height:1.5}
body.lang-zh .pstats span{text-transform:none;letter-spacing:.02em;font-size:.8rem}
.route{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
.route-node{position:relative;padding-top:26px;border-top:1px solid var(--line-dark)}
.route-node::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(227,154,69,.18)}
.route-node small{display:block;font-size:.68rem;letter-spacing:.18em;color:var(--amber);font-weight:700;margin-bottom:9px}
.route-node b{display:block;font-size:.98rem;margin-bottom:5px}
.route-node span{font-size:.82rem;color:rgba(255,255,255,.66);line-height:1.6}
.export-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,4vw,56px);margin-top:clamp(34px,4vw,56px)}
.region-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.region{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.region:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.region b{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.92rem}
.region .st{font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;padding:3px 8px;border-radius:var(--r-pill);background:var(--sage-soft);color:var(--green-600);white-space:nowrap}
.region p{font-size:.78rem;color:var(--ink-soft);line-height:1.55;margin-top:7px}
body.lang-zh .region .st{text-transform:none;letter-spacing:.02em}

/* trade terms */
.trade{width:100%;border-collapse:collapse}
.trade td{padding:16px 10px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top;line-height:1.65}
.trade td:first-child{font-weight:700;width:24%;color:var(--ink)}
.trade td:last-child{color:var(--ink-soft)}
.trade tr:hover td{background:rgba(168,195,176,.12)}
.trade-note{margin-top:18px;font-size:.84rem;color:var(--ink-soft);max-width:80ch;line-height:1.65}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:20px 0;font-weight:700;font-size:1rem;display:flex;justify-content:space-between;align-items:flex-start;gap:18px;list-style:none;line-height:1.45;transition:color .25s}
.faq summary:hover{color:var(--green-600)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--amber-deep);font-size:1.4rem;line-height:1;font-weight:400;flex:none;transition:transform .3s}
.faq details[open] summary::after{content:"\2013"}
.faq p{padding:0 0 22px;color:var(--ink-soft);font-size:.93rem;line-height:1.72;max-width:78ch}

@media (max-width:980px){
  .proc{grid-template-columns:1fr}
  .proc-side{position:static}
  .proc-facts{grid-template-columns:repeat(3,1fr);border-top:0;padding-top:0;margin-top:22px}
  .pstats{grid-template-columns:repeat(2,1fr);gap:22px}
  .route{grid-template-columns:repeat(2,1fr)}
  .export-grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .proc-item{grid-template-columns:44px 1fr}
  .proc-facts{grid-template-columns:1fr}
  .pstats{grid-template-columns:1fr 1fr}
  .region-grid{grid-template-columns:1fr}
  .trade td:first-child{width:38%}
  .trade td{font-size:.86rem;padding:13px 6px}
}

/* ================= plant gallery (v4) ================= */
.plant-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plant-fig{position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;background:var(--green-900);isolation:isolate}
.plant-fig img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s var(--ease)}
.plant-fig:hover img{transform:scale(1.045)}
.plant-fig-wide{grid-column:1/-1;aspect-ratio:21/9}
.plant-fig:not(.plant-fig-wide){aspect-ratio:4/3.1}
.plant-fig figcaption{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:46px 20px 16px;background:linear-gradient(180deg,transparent,rgba(8,24,18,.82));color:#fff;pointer-events:none}
.plant-fig figcaption b{display:block;font-size:.95rem;font-weight:700;letter-spacing:.01em}
.plant-fig figcaption span{display:block;font-size:.78rem;line-height:1.5;color:rgba(255,255,255,.72);margin-top:3px}
body.lang-zh .plant-fig figcaption span{font-size:.8rem}
@media (max-width:900px){.plant-grid{grid-template-columns:1fr 1fr}.plant-fig-wide{aspect-ratio:16/9}}
@media (max-width:620px){.plant-grid{grid-template-columns:1fr}.plant-fig:not(.plant-fig-wide){aspect-ratio:4/3}}

/* sku matrix */
.sku-table thead td{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--ink-soft);border-bottom:2px solid var(--line);padding:14px 10px 10px}
body.lang-zh .sku-table thead td{text-transform:none;letter-spacing:.03em;font-size:.78rem}
.sku-table tbody td{padding:12px 10px}
.sku-table tbody tr:nth-child(odd) td{background:rgba(168,195,176,.10)}
.sku-table tbody td:first-child{font-weight:600}