:root{
  --bg:#f6fbf9; --bg2:#e3f6f1; --card:#ffffff; --card2:#eef8f5; --line:#d7e6e2;
  --text:#24343c; --dim:#5b6b73; --dim2:#8aa0a5;
  --accent:#0fa38c; --accent2:#0d8573; --accent-l:#12bfa3; --green:#2ecc71;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
.center{text-align:center}
ul{list-style:none}

/* nav */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;height:66px;gap:18px}
.logo{font-size:22px;font-weight:900;letter-spacing:2px;color:var(--text);display:flex;align-items:baseline;gap:8px;flex:none}
.logo span{font-size:12px;color:var(--accent);letter-spacing:3px}
.nav .links{display:flex;align-items:center;gap:22px;margin-inline-start:auto}
.links a{color:var(--dim);font-size:14.5px;white-space:nowrap}
.links a:hover{color:var(--accent2)}
.nav-cta{background:linear-gradient(135deg,var(--accent),var(--accent-l));color:#fff!important;font-weight:800;padding:8px 16px;border-radius:8px}
.nav-cta:hover{filter:brightness(1.06);color:#fff!important}
.lang{display:flex;gap:2px;border:1px solid var(--line);border-radius:99px;padding:3px;background:#fff;flex:none}
.lang button{background:none;border:none;color:var(--dim);font-size:12.5px;cursor:pointer;padding:3px 9px;border-radius:99px;font-family:inherit}
.lang button.on{background:var(--accent);color:#fff;font-weight:800}

/* hero */
.hero{background:radial-gradient(900px 480px at 82% -8%,rgba(15,163,140,.16),transparent),var(--bg);padding:56px 0 40px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.eyebrow{color:var(--accent);letter-spacing:3px;font-size:13px;text-transform:uppercase;font-weight:700}
.hero h1{font-size:44px;line-height:1.14;margin:14px 0 16px;font-weight:900}
.hero h1 .accent{color:var(--accent)}
.lead{color:var(--dim);font-size:17px;max-width:540px}
.mats{margin-top:14px;color:var(--accent2);font-size:14px;letter-spacing:1px}
.cta{display:flex;gap:14px;margin:24px 0;flex-wrap:wrap}
.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent-l));color:#fff;font-weight:800;padding:13px 26px;border-radius:9px;font-size:15px;border:none;cursor:pointer;font-family:inherit}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn:hover{filter:brightness(1.06);box-shadow:0 6px 18px rgba(15,163,140,.3)}
.stats{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;max-width:520px}
.stat b{display:block;font-size:26px;color:var(--accent)}
.stat span{color:var(--dim);font-size:13px}
.hero-img{position:relative}
.hero-img img{border-radius:18px;box-shadow:0 22px 50px rgba(36,52,60,.18)}
.scroll{position:absolute;bottom:-34px;right:6px;color:var(--dim2);font-size:12px;letter-spacing:3px}

/* sections */
.section{padding:62px 0}
.section:nth-of-type(even){background:var(--bg2)}
.label{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:6px}
.sec-title{font-size:32px;font-weight:900;margin-bottom:8px}
.sec-sub{color:var(--dim);margin-bottom:26px;max-width:760px}
.sec-sub.center{max-width:none}

/* adv */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.adv-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 4px 14px rgba(36,52,60,.05)}
.adv-card .ico{font-size:28px}
.adv-card h3{margin:10px 0 6px;font-size:18px}
.adv-card p{color:var(--dim);font-size:14px}

/* grids & cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .16s,box-shadow .16s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(36,52,60,.14)}
.thumb{position:relative;aspect-ratio:1/1;background:#edf5f2;cursor:zoom-in}
.thumb img{width:100%;height:100%;object-fit:cover}
.cat-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);border:1px solid var(--line);color:var(--accent2);font-size:12px;padding:4px 10px;border-radius:99px}
.more{position:absolute;bottom:12px;right:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--text);font-size:11.5px;padding:4px 10px;border-radius:6px;opacity:0;transition:opacity .16s}
.card:hover .more{opacity:1}
.card-body{padding:14px 16px 8px}
.card-body h3{font-size:17px}
.card-body p{color:var(--dim);font-size:13.5px;margin-top:5px}
.moq{margin-top:8px;font-size:12px;color:var(--accent);letter-spacing:.5px;font-weight:700}
.card-cta{padding:10px 16px 16px;margin-top:auto}
.mini-btn{display:block;text-align:center;border:1px solid var(--accent);color:var(--accent2);border-radius:8px;padding:9px;font-size:14px;font-weight:700;background:#fff}
.mini-btn:hover{background:var(--accent);color:#fff}

/* chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.chip{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--dim);padding:8px 18px;border-radius:99px;font-size:14px;font-family:inherit}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:800}
.chips .chip{margin:0}

/* factory */
.factory-top{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.fac-media{position:relative}
.fac-media img{border-radius:16px;box-shadow:0 14px 34px rgba(36,52,60,.14)}
.iso{position:absolute;top:16px;left:16px;background:var(--accent);color:#fff;font-weight:900;padding:8px 14px;border-radius:8px;font-size:14px;letter-spacing:1px}
.ticks li{padding:5px 0 5px 26px;position:relative;color:var(--dim)}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.fac-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:40px 0}
.fstat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;text-align:center;box-shadow:0 4px 14px rgba(36,52,60,.05)}
.fstat b{display:block;font-size:26px;color:var(--accent)}
.fstat span{color:var(--dim);font-size:13px}
.process{margin-top:8px}
.process h3{font-size:22px;margin-bottom:4px}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.step span{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-weight:900;border-radius:50%;margin-bottom:10px}
.step h4{font-size:15px}
.step p{color:var(--dim);font-size:13px;margin-top:4px}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:10px}
.about-grid h3{font-size:18px;margin-bottom:8px}
.about-grid p{color:var(--dim);margin-bottom:10px}
.why-list{white-space:pre-line}
.sub-head{margin:34px 0 16px;font-size:20px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tl{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:14px}
.tl b{display:block;color:var(--accent);font-size:18px}
.tl span{color:var(--dim);font-size:13px}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.val{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.val b{font-size:24px}
.val h4{margin:8px 0 4px}
.val p{color:var(--dim);font-size:13.5px}

/* trust */
.trust{background:var(--bg2)!important}
.logos{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:22px 0 40px}
.logo-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center;box-shadow:0 4px 12px rgba(36,52,60,.05)}
.logo-item b{display:block;color:var(--text)}
.logo-item span{color:var(--dim2);font-size:12px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.testi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:0 4px 12px rgba(36,52,60,.05)}
.testi .qt{color:var(--accent2);font-size:14.5px;min-height:90px}
.testi b{display:block;margin-top:10px}
.testi span{color:var(--dim2);font-size:13px}

/* contact */
.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;margin-top:8px}
.info-card,.inquiry{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 4px 14px rgba(36,52,60,.05)}
.info-card h3{margin-bottom:14px;font-size:18px}
.ci{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:var(--dim);word-break:break-all}
.ci a,.ci b{color:var(--accent2)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.inquiry label{display:block;margin-bottom:12px;color:var(--dim);font-size:13px}
.inquiry input,.inquiry textarea{width:100%;margin-top:6px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px 12px;font-size:14px;font-family:inherit}
.inquiry input:focus,.inquiry textarea:focus{outline:none;border-color:var(--accent)}
.tiny{color:var(--dim2);font-size:12.5px;margin-top:10px}

/* footer */
.footer{background:#eaf4f0;border-top:1px solid var(--line);padding:46px 0 0}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:30px}
.fcol{display:flex;flex-direction:column;gap:10px}
.fcol h4{color:var(--accent2);font-size:15px;margin-bottom:6px}
.fcol p,.fcol a,.fcol span{color:var(--dim);font-size:13.5px}
.fcol a:hover{color:var(--accent2)}
.socials{display:flex;gap:10px;margin-top:8px}
.socials a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;color:var(--dim);font-size:13px;font-weight:800;background:#fff}
.socials a:hover{border-color:var(--accent);color:var(--accent)}
.copy{border-top:1px solid var(--line);padding:18px 22px;color:var(--dim2);font-size:13px}

/* whatsapp float */
.wa-float{position:fixed;right:22px;bottom:22px;width:60px;height:60px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.4);z-index:80;transition:transform .15s}
.wa-float:hover{transform:scale(1.08)}
.wa-tip{position:absolute;right:72px;top:50%;transform:translateY(-50%);background:#fff;border:1px solid var(--line);color:var(--text);font-size:13px;padding:6px 12px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s;box-shadow:0 6px 16px rgba(36,52,60,.12)}
.wa-float:hover .wa-tip{opacity:1}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(13,45,40,.88);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.lightbox.open{display:flex}
.lb-box{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;max-width:860px;width:100%;padding:18px}
.lb-close{position:absolute;top:10px;right:14px;font-size:26px;background:none;border:none;color:var(--dim);cursor:pointer;z-index:2}
.lb-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px;padding-right:40px}
.lb-name{font-size:18px;color:var(--text)}
.lb-count{color:var(--accent);font-size:13px}
.lb-stage img{width:100%;max-height:62vh;object-fit:contain;border-radius:10px;background:#eef5f2}
.lb-dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.lb-dot{width:9px;height:9px;border-radius:99px;background:#cfe0dc;cursor:pointer}
.lb-dot.on{background:var(--accent)}
.lb-prev,.lb-next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--text);font-size:30px;width:44px;height:56px;border-radius:8px;cursor:pointer}
.lb-prev{left:-4px}.lb-next{right:-4px}
.lb-prev:hover,.lb-next:hover{color:var(--accent)}

/* RTL */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] .cat-tag{left:auto;right:12px}
html[dir="rtl"] .more{right:auto;left:12px}
html[dir="rtl"] .ticks li{padding-left:0;padding-right:26px}
html[dir="rtl"] .ticks li::before{left:auto;right:0}

/* responsive */
@media(max-width:920px){
  .hero-in,.factory-top,.about-grid,.contact-layout{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .timeline,.values,.testi-grid{grid-template-columns:1fr 1fr}
  .fac-stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav .links{display:none}
  .hero h1{font-size:32px}
  .timeline,.values,.testi-grid,.f-row,.foot-grid{grid-template-columns:1fr}
  .fac-stats{grid-template-columns:1fr 1fr}
}