:root{--ink:#18212b;--muted:#65717e;--line:#dfe4e8;--paper:#f4f7f8;--lime:#c8ef41;--blue:#2169b0;--navy:#163e67}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:'Noto Sans SC','Manrope',sans-serif;background:var(--paper)}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 48px));margin:auto}.site-header{height:76px;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #eef1f3}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{font-weight:900;font-size:19px;letter-spacing:.04em;display:flex;align-items:center;gap:10px}.brand-mark{background:var(--ink);color:#fff;width:31px;height:31px;display:grid;place-items:center;border-radius:8px;font-family:Manrope}.nav-links{display:flex;gap:32px;color:#4d5965;font-size:14px}.nav-links a:hover,.text-link:hover{color:var(--blue)}.nav-cta{background:var(--ink);color:#fff;padding:11px 17px;border-radius:7px;font-size:13px;font-weight:700}.nav-cta span{color:var(--lime);margin-left:7px}.menu-btn{display:none;background:none;border:0;font-size:22px}.hero{min-height:700px;position:relative;display:flex;align-items:center;overflow:hidden;color:#fff}.hero-image{position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1586864387967-d02ef85d93e8?auto=format&fit=crop&w=2000&q=85');background-size:cover;background-position:center 54%;filter:saturate(.9)}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,32,50,.88) 0%,rgba(12,32,50,.52) 48%,rgba(12,32,50,.15) 100%)}.hero-content{position:relative;padding:90px 0}.eyebrow{font:700 11px Manrope,sans-serif;letter-spacing:.18em;color:var(--blue);margin:0 0 18px}.eyebrow.light{color:var(--lime)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(48px,6vw,82px);line-height:1.08;letter-spacing:-.03em;margin-bottom:25px;font-weight:900}h1 em,h2 em{font-style:normal;color:var(--lime)}.hero-copy{max-width:410px;color:#d9e2e8;line-height:1.85;font-size:16px}.hero-actions{display:flex;gap:26px;align-items:center;margin-top:36px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:0;border-radius:6px;padding:14px 20px;font-size:14px;font-weight:800;cursor:pointer}.btn-primary{background:var(--lime);color:var(--ink)}.btn-dark{background:var(--ink);color:#fff;width:100%}.btn span{font-size:18px}.text-link{font-weight:800;font-size:14px}.text-link span{margin-left:8px}.light{color:#fff}.hero-stats{display:flex;gap:48px;margin-top:90px}.hero-stats strong{font:800 34px Manrope;display:block}.hero-stats strong span{font-size:16px;color:var(--lime);margin-left:2px}.hero-stats small{color:#cfdae2;font-size:12px}.scroll-hint{position:absolute;right:42px;bottom:30px;font:600 11px Manrope;letter-spacing:.13em;writing-mode:vertical-rl;display:flex;gap:10px}.scroll-hint span{font-size:18px}.section{padding:112px 0}.product-section{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:50px}.section-head h2,.band h2,.factory-copy h2,.contact-section h2{font-size:clamp(34px,4vw,54px);line-height:1.15;letter-spacing:-.03em;margin:0}.section-intro{max-width:330px;color:var(--muted);line-height:1.8;font-size:14px}.filter-bar{display:flex;gap:8px;margin:56px 0 24px}.filter{border:1px solid var(--line);background:#fff;border-radius:100px;padding:10px 18px;color:var(--muted);font-size:13px;cursor:pointer}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-card{background:#f3f6f7;border-radius:8px;overflow:hidden;transition:transform .25s}.product-card:hover{transform:translateY(-4px)}.product-visual{height:255px;position:relative;display:grid;place-items:center;overflow:hidden}.blue-drum{background:#d9e8f2}.white-drum{background:#e7e6df}.small-drum{background:#e7ecec}.pallet{background:#d6e1db}.product-visual:before{content:'';width:120px;height:185px;border-radius:18px 18px 13px 13px;background:linear-gradient(90deg,#1d5f9f,#3286c9 52%,#164a82);box-shadow:inset -12px 0 14px rgba(0,0,0,.16),0 17px 25px rgba(18,44,70,.16);transform:perspective(300px) rotateY(-8deg)}.white-drum:before{background:linear-gradient(90deg,#cfd2cd,#fafcf8 48%,#aeb4ae)}.small-drum:before{width:101px;height:150px;background:linear-gradient(90deg,#8caa9d,#d4e4dc 48%,#729384)}.pallet:before{width:170px;height:122px;border-radius:10px;background:linear-gradient(135deg,#eef3ed,#bdd1c3);box-shadow:inset -12px -8px 0 rgba(66,100,80,.14),0 14px 24px rgba(0,0,0,.12)}.capacity{position:absolute;top:19px;left:20px;font:800 11px Manrope;letter-spacing:.15em;color:rgba(20,47,72,.6)}.shape-ring{position:absolute;width:170px;height:170px;border:1px solid rgba(38,89,114,.14);border-radius:50%}.product-info{padding:18px 17px;display:flex;justify-content:space-between;align-items:end;background:#fff}.product-info h3{font-size:15px;margin-bottom:4px}.product-info p{font-size:12px;color:var(--muted);margin:0}.icon-btn{width:31px;height:31px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:15px}.band{background:var(--navy);color:#fff;padding:112px 0}.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.band .eyebrow{color:var(--lime)}.application-list{border-top:1px solid rgba(255,255,255,.2)}.application-list a{display:grid;grid-template-columns:40px 1fr 20px;gap:15px;align-items:center;padding:23px 0;border-bottom:1px solid rgba(255,255,255,.2)}.application-list span{font:700 12px Manrope;color:var(--lime)}.application-list strong{font-size:16px}.application-list small{display:block;color:#aebdca;font-size:12px;margin-top:5px}.application-list b{font-size:18px;color:var(--lime)}.factory-section{background:#fff}.factory-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.factory-photo{height:520px;background:url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1200&q=85') center/cover}.factory-copy>p:not(.eyebrow){color:var(--muted);line-height:1.9;font-size:15px;max-width:450px;margin:24px 0 36px}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 36px;margin-bottom:38px}.metric-grid strong{font:800 28px Manrope;display:block}.metric-grid small{color:var(--muted);font-size:12px}.quote-section{background:#e6f0f2;padding:100px 0}.quote-inner{max-width:840px}.quote-mark{font:900 90px Georgia;color:var(--blue);height:68px}.quote-inner blockquote{font-size:clamp(29px,4vw,48px);line-height:1.35;font-weight:700;letter-spacing:-.03em;margin:0 0 22px}.quote-inner p{color:var(--muted);font-size:13px}.contact-section{background:var(--lime);padding:100px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.contact-section h2 em{color:var(--navy)}.contact-copy{font-size:14px;color:#44503f;line-height:1.8;margin-top:25px}.contact-details{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin-top:38px}.contact-details span{font-size:12px;color:#526046}.contact-details strong{font:700 15px Manrope}.contact-form{background:#fff;padding:30px;border-radius:8px}.contact-form label{font-size:12px;color:var(--muted);display:block;margin-bottom:17px}.contact-form input,.contact-form textarea{display:block;width:100%;border:0;border-bottom:1px solid var(--line);padding:11px 0;font:14px inherit;outline:none;background:transparent}.contact-form textarea{resize:vertical}.form-note{font-size:12px;color:var(--blue);margin:12px 0 0;text-align:center}.site-footer{background:var(--ink);color:#aeb7be;padding:22px 0;font-size:11px}.footer-wrap{display:flex;justify-content:space-between;gap:15px}.footer-wrap a{color:#fff}.is-hidden{display:none!important}@media(max-width:800px){.container{width:min(100% - 32px,600px)}.nav-links,.nav-cta{display:none}.menu-btn{display:block}.hero{min-height:650px}.hero-content{padding:70px 0}.hero-stats{gap:24px;margin-top:65px}.hero-stats strong{font-size:27px}.section,.band,.contact-section{padding:78px 0}.section-head,.band-grid,.factory-grid,.contact-grid{display:block}.section-intro{margin-top:24px}.product-grid{grid-template-columns:repeat(2,1fr)}.product-visual{height:190px}.factory-photo{height:300px;margin-bottom:45px}.factory-copy h2{font-size:38px}.band-grid>div:first-child{margin-bottom:50px}.contact-grid>div:first-child{margin-bottom:48px}.scroll-hint{right:17px}.footer-wrap{flex-wrap:wrap}}
@media(max-width:800px){.nav-links.mobile-open{display:flex;position:absolute;top:76px;left:0;right:0;background:#fff;padding:18px 24px;flex-direction:column;gap:16px;border-bottom:1px solid var(--line)}}
@media(max-width:460px){h1{font-size:48px}.hero-copy{font-size:14px}.hero-stats{gap:16px}.hero-stats strong{font-size:23px}.hero-stats small{font-size:10px}.product-grid{grid-template-columns:1fr}.product-visual{height:220px}.filter-bar{overflow:auto;white-space:nowrap;margin-top:38px}.quote-inner blockquote{font-size:30px}.footer-wrap{display:grid;grid-template-columns:1fr 1fr}}

/* Local product imagery and carousel */
.hero-slides,.hero-slide{position:absolute;inset:0}.hero-slide{background-size:cover;background-position:center;opacity:0;transform:scale(1.03);transition:opacity .7s ease,transform 5s ease}.hero-slide.active{opacity:1;transform:scale(1)}.hero-slide:nth-child(2),.hero-slide:nth-child(3){background-position:center 52%}.hero-overlay{background:linear-gradient(90deg,rgba(10,27,40,.9) 0%,rgba(10,27,40,.72) 40%,rgba(10,27,40,.08) 76%,rgba(10,27,40,.12) 100%)}.slider-controls{position:absolute;z-index:3;left:50%;bottom:30px;transform:translateX(-50%);display:flex;align-items:center;gap:15px}.slider-arrow{width:34px;height:34px;border:1px solid rgba(255,255,255,.42);border-radius:50%;background:rgba(10,27,40,.24);color:#fff;cursor:pointer}.slider-dots{display:flex;gap:7px}.slider-dots button{width:24px;height:3px;border:0;padding:0;background:rgba(255,255,255,.38);cursor:pointer;transition:.25s}.slider-dots button.active{width:42px;background:var(--lime)}
.filter sup{font-size:9px;margin-left:4px;color:inherit}.product-photo{height:255px;background:#edf1f2;overflow:hidden;position:relative}.product-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}.product-card:hover .product-photo img{transform:scale(1.035)}.product-info{min-height:104px}.product-info>div{min-width:0}.product-info h3,.product-info p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-grid{align-items:start}
.features-section{background:var(--navy);color:#fff;padding:110px 0}.features-section .eyebrow{color:var(--lime)}.features-head{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:58px}.features-head h2{font-size:clamp(36px,4vw,54px);line-height:1.15;margin:0}.features-head h2 em{font-style:normal;color:var(--lime)}.features-head>p{max-width:330px;color:#b8c6d1;line-height:1.8;font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.18)}.feature-grid article{padding:28px 24px 10px 0;min-height:240px;border-right:1px solid rgba(255,255,255,.18);position:relative}.feature-grid article:not(:first-child){padding-left:24px}.feature-grid article:last-child{border-right:0}.feature-grid span{font:700 11px Manrope;color:var(--lime)}.feature-grid i{position:absolute;right:22px;top:25px;font-size:22px;font-style:normal;color:#afc0cd}.feature-grid h3{margin-top:75px;font-size:18px}.feature-grid p{font-size:12px;color:#afc0cd;line-height:1.75}.factory-photo{background-image:url('20L-E圆桶.jpg');background-position:center;background-size:cover}
@media(max-width:800px){.hero-slide{background-position:62% center}.hero-content{padding-bottom:125px}.hero-stats{flex-wrap:wrap}.slider-controls{bottom:22px}.scroll-hint{display:none}.features-head{display:block}.features-head>p{margin-top:24px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature-grid article:nth-child(2){border-right:0}.feature-grid article{border-bottom:1px solid rgba(255,255,255,.18)}.product-photo{height:210px}}
@media(max-width:460px){.hero-slide{background-position:65% center}.hero-overlay{background:rgba(10,27,40,.68)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.hero-stats strong{font-size:20px}.features-section{padding:76px 0}.feature-grid{grid-template-columns:1fr}.feature-grid article,.feature-grid article:not(:first-child){padding-left:0;border-right:0}.filter-bar{padding-bottom:5px}.product-photo{height:260px}}

/* Factory imagery and direct contact */
.factory-gallery{height:560px;display:grid;grid-template-columns:1.12fr .88fr;gap:10px}.factory-gallery figure{margin:0}.factory-gallery .factory-photo{height:100%;background-position:center;background-size:cover;position:relative;overflow:hidden}.production-photo{background-image:url('生产车间.jpg')!important}.printing-photo{background-image:url('印刷车间.jpg')!important}.factory-photo figcaption{position:absolute;left:16px;bottom:16px;background:rgba(20,31,41,.84);color:#fff;padding:8px 11px;border-radius:4px;font-size:12px}.contact-phone{display:grid;grid-template-columns:1fr auto;gap:4px 20px;align-items:end;margin:32px 0;padding:20px 0;border-top:1px solid rgba(24,33,43,.24);border-bottom:1px solid rgba(24,33,43,.24)}.contact-phone span{font-size:12px;color:#526046}.contact-phone strong{grid-row:2;font:800 29px Manrope;color:var(--ink)}.contact-phone b{grid-column:2;grid-row:1/3;align-self:center;font-size:13px}.contact-phone:hover b{color:var(--blue)}
@media(max-width:800px){.factory-gallery{height:420px;margin-bottom:45px}.factory-gallery .factory-photo{height:100%;margin-bottom:0}}
@media(max-width:460px){.factory-gallery{height:520px;grid-template-columns:1fr;grid-template-rows:1.2fr .8fr}.contact-phone strong{font-size:24px}.contact-phone b{display:none}}

/* Company profile */
.about-section{padding:112px 0;background:#eef3f4}.about-heading{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:end}.about-heading h2{font-size:clamp(36px,4vw,54px);line-height:1.15;margin:0}.about-heading h2 em{font-style:normal;color:var(--blue)}.about-heading>p{margin:0;color:var(--muted);font-size:15px;line-height:1.95}.about-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:64px;background:var(--line);border:1px solid var(--line)}.about-grid article{background:#fff;padding:34px;min-height:285px}.about-grid span{font:800 11px Manrope;color:var(--blue)}.about-grid h3{margin:36px 0 16px;font-size:20px}.about-grid p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.about-grid strong{color:var(--ink)}.about-future{max-width:900px;margin:34px 0 0;padding-left:20px;border-left:3px solid var(--blue);color:#43515d;font-size:14px;line-height:1.9}.contact-details strong{line-height:1.55}
@media(max-width:800px){.about-section{padding:78px 0}.about-heading{display:block}.about-heading>p{margin-top:26px}.about-grid{grid-template-columns:1fr;margin-top:42px}.about-grid article{min-height:0}.about-grid h3{margin-top:25px}}
@media(max-width:460px){.about-grid article{padding:26px 22px}.contact-details{grid-template-columns:1fr}.contact-details span{margin-top:8px}}

/* Brand logo and bilingual control */
.brand{flex:0 0 auto}.brand img{display:block;width:188px;height:56px;object-fit:contain;object-position:left center}.lang-toggle{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--ink);height:36px;min-width:44px;padding:0 10px;border-radius:6px;font:800 12px Manrope,sans-serif;cursor:pointer}.lang-toggle:hover{border-color:var(--blue);color:var(--blue)}.nav-wrap{gap:20px}.nav-links{gap:23px}
html[lang="en"] .about-heading>p,html[lang="en"] .about-grid p,html[lang="en"] .section-intro,html[lang="en"] .factory-copy>p:not(.eyebrow),html[lang="en"] .contact-copy{line-height:1.75}
@media(max-width:980px){.brand img{width:164px}.nav-links{gap:14px;font-size:13px}.nav-cta{display:none}}
@media(max-width:800px){.brand img{width:150px;height:52px}.lang-toggle{margin-left:auto}.menu-btn{margin-left:0}.nav-wrap{gap:10px}}
@media(max-width:390px){.brand img{width:132px}.lang-toggle{min-width:40px;padding:0 8px}}