:root{--navy:#182b5b;--ink:#43506a;--muted:#536078;--paper:#f5f3ee;--white:#fff;--line:#d9dce1;--soft:#eae8e1;--space:8px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--navy);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}figure{margin:0}h1,h2,h3,p{margin:0}p{text-wrap:pretty}h1,h2{font-family:"Songti SC","SimSun",serif;font-weight:500;line-height:1.3}h2{font-size:clamp(28px,3vw,42px)}h3{font-weight:500;font-size:21px;line-height:1.5}a,button{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--muted);outline-offset:5px}a:hover{color:var(--muted)}.skip-link{position:fixed;top:-100px;left:16px;z-index:20;padding:12px;background:var(--white)}.skip-link:focus{top:8px}
.announcement{background:var(--navy);color:var(--paper);padding:7px 5%;font-size:12px;text-align:center;letter-spacing:.08em}.announcement span{float:right;opacity:.8}.site-header{padding:16px 5%;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--paper);position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:16px}.brand img{width:64px;height:64px}.brand span{font-size:17px;letter-spacing:.12em}.brand small{display:block;font-size:10px;letter-spacing:.15em;color:var(--muted)}nav{display:flex;align-items:center;gap:36px}nav a{font-size:14px;padding:8px 0}.nav-contact{border-bottom:1px solid var(--navy)}.nav-contact span{margin-left:16px}.menu-toggle{display:none}
.hero{display:grid;grid-template-columns:46% 54%;min-height:580px;max-width:1600px;margin:auto}.hero-copy{padding:64px 9% 64px 11%}.eyebrow{font-size:12px;letter-spacing:.2em;margin-bottom:24px;color:var(--muted)}h1{font-size:clamp(38px,4vw,60px);letter-spacing:.04em}h1 em{font-style:normal}.intro{color:var(--ink);margin:24px 0 30px;font-size:15px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;min-height:50px;padding:13px 24px;background:var(--navy);color:var(--white);font-size:14px;border:1px solid var(--navy);transition:background 180ms,color 180ms}.button:hover{background:var(--ink);color:var(--white)}.button:active{transform:translateY(1px)}.text-link{display:inline-block;border-bottom:1px solid currentColor;padding:8px 0;font-size:14px}.hero-copy>.text-link{display:table;margin-top:14px}.hero-image{position:relative;min-width:0;min-height:100%}.hero-image>img{width:100%;height:100%;object-fit:cover}.hero-image figcaption{position:absolute;bottom:14px;right:18px;color:var(--navy);background:rgba(245,243,238,.9);font-size:11px;padding:4px 10px}.service-strip{display:grid;grid-template-columns:repeat(4,1fr);max-width:1600px;margin:auto;border-block:1px solid var(--line);text-align:center;padding:23px 5%;font-size:13px;letter-spacing:.06em}.service-strip span+span{border-left:1px solid var(--line)}
.section{padding:88px 5%;max-width:1600px;margin:auto}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}.section-heading .eyebrow{margin-bottom:12px}.section-heading p:not(.eyebrow){margin-top:16px;color:var(--ink)}.collection-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.collection-image{aspect-ratio:1;background:var(--soft);display:flex;align-items:center;justify-content:center;padding:22px;overflow:hidden}.collection-image img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;transition:transform 180ms}.collection-card:hover img{transform:scale(1.025)}.framed{padding:14px}.card-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}.card-title span{font-size:22px}.collection-card p{font-size:13px;color:var(--muted);margin-top:6px}.collection-note{font-size:12px;color:var(--muted);margin-top:24px}
.about{background:var(--soft);display:grid;grid-template-columns:1fr 1fr;gap:12%}.about-heading>p:not(.eyebrow){max-width:450px;margin-top:24px;color:var(--ink);font-size:15px}.about-heading .text-link{margin-top:24px}.advantages article{display:flex;gap:24px;padding:24px 0;border-top:1px solid #c8cbd0}.advantages article:first-child{padding-top:0;border:0}.advantages .number{font-size:13px;color:var(--muted);padding-top:4px}.advantages h3{font-size:19px}.advantages p{font-size:14px;margin-top:8px;color:var(--ink)}
.facility-grid{display:grid;grid-template-columns:1fr 1fr .64fr;gap:24px}.facility-grid img{width:100%;height:260px;object-fit:cover}.facility-grid .production img{object-fit:contain;background:var(--soft)}.facility-grid h3{margin-top:18px;font-size:19px}.facility-grid figcaption p{font-size:13px;margin-top:6px;color:var(--muted)}.source-note{font-size:12px;line-height:1.8;color:var(--muted);margin-top:26px;max-width:950px}.process{border-top:1px solid var(--line)}.process ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;list-style:none;padding:0;margin:44px 0 0}.process li{border-top:1px solid var(--line);padding-top:22px}.process li>span{font-size:14px;color:var(--muted)}.process h3{margin-top:16px;font-size:20px}.process li p{font-size:14px;color:var(--ink);margin-top:12px;max-width:240px}
.contact{background:var(--navy);color:var(--paper);display:grid;grid-template-columns:1.25fr 1fr;gap:12%;align-items:center}.contact .eyebrow{color:#c2c9d7}.contact h2{font-size:clamp(32px,3.5vw,48px)}.contact p:not(.eyebrow){margin-top:24px;color:#d9dce1;font-size:14px}.contact-actions{max-width:360px}.light{background:var(--paper);color:var(--navy);border-color:var(--paper);width:100%}.contact-line{display:block;border-bottom:1px solid #667187;padding:24px 0 14px;font-size:16px}.contact-line>span{float:right}.contact-line small{display:block;margin-top:6px;font-size:14px}.contact a:hover{color:#fff}.light:hover{background:var(--ink)}.email{display:block;margin-top:20px;font-size:14px;overflow-wrap:anywhere}footer{padding:40px 5%;display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1600px;margin:auto}footer strong{letter-spacing:.15em;font-size:23px}footer p,footer a{font-size:12px;color:var(--muted)}footer small{font-size:11px}
@media(min-width:1601px){.site-header{padding-inline:max(5%,calc((100vw - 1440px)/2))}}
@media(max-width:1000px){nav{gap:20px}.hero{min-height:520px;grid-template-columns:48% 52%}.hero-copy{padding:44px 8% 44px 10%}h1{font-size:42px}.collection-grid{gap:16px}.section{padding-block:64px}.about{gap:8%}.facility-grid{gap:16px}.facility-grid img{height:220px}.brand span{display:none}}
@media(max-width:680px){html{scroll-padding-top:90px}.announcement{font-size:10px}.announcement span{display:none}.site-header{padding:12px 5%;flex-wrap:wrap;gap:0}.brand img{width:52px;height:52px}.brand span{display:block;font-size:14px}.brand small{font-size:8px}.menu-toggle{display:flex;align-items:center;gap:12px;border:0;background:none;color:var(--navy);min-width:64px;min-height:44px;font-size:14px}.menu-toggle span{font-size:22px}nav{width:100%;flex-wrap:wrap;gap:0;padding-top:12px}nav a{flex:1 1 50%;padding:10px 0;min-height:44px}.js nav{display:none}.js nav.is-open{display:flex}.nav-contact{border:0}.hero{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:40px 6% 32px}.hero .eyebrow{margin-bottom:18px}h1{font-size:38px;line-height:1.35}.intro{margin:20px 0 24px;font-size:14px}.hero-image{height:auto;min-height:0}.hero-image>img{aspect-ratio:3/2;height:auto;object-fit:cover}.service-strip{grid-template-columns:1fr 1fr;gap:12px 0;padding:20px 5%;font-size:11px}.service-strip span:nth-child(3){border:0}.section{padding:48px 6%}.section-heading{align-items:start;margin-bottom:24px}.section-heading .text-link{font-size:12px;white-space:nowrap}.section-heading h2{font-size:26px}.section-heading .eyebrow{font-size:10px}.collection-grid{grid-template-columns:1fr 1fr;gap:28px 16px}.collection-image{padding:12px}.collection-image.framed{padding:7px}.card-title{margin-top:12px}.card-title h3{font-size:18px}.collection-card p{font-size:11px}.collection-note{font-size:11px}.about{grid-template-columns:1fr;gap:36px}.about-heading h2 br{display:none}.facility-grid{grid-template-columns:1fr 1fr;gap:24px 16px}.facility-grid img{height:160px}.facility-grid h3{font-size:17px}.facility-grid figcaption p{font-size:12px}.facility-grid .production{grid-column:1/-1;display:grid;grid-template-columns:32% 1fr;gap:20px;align-items:center}.facility-grid .production img{height:170px}.source-note{font-size:11px}.process ol{grid-template-columns:1fr 1fr;gap:28px 20px;margin-top:28px}.process h2{font-size:28px}.process h3{font-size:18px}.process li p{font-size:13px}.contact{grid-template-columns:1fr;gap:32px}.contact-actions{width:100%;max-width:none}.contact h2{font-size:36px}footer{padding:28px 6%;flex-wrap:wrap}footer>a{min-height:44px;padding-top:10px}}
@media(max-width:680px){.brand small{font-size:12px}.collection-card p,.collection-note,.source-note,.service-strip{font-size:13px;line-height:1.6}.section-heading{flex-wrap:wrap;gap:16px}.section-heading>div{width:100%}.announcement{font-size:12px}}
.facility-park{max-width:800px;margin:0 auto 36px}.facility-park img{width:100%;height:auto}.facility-park h3{margin-top:18px;font-size:19px}.facility-park p{margin-top:6px;font-size:13px;color:var(--muted)}
/* Align the four homepage category images while preserving the complete frame. */
.collection-grid .collection-image{aspect-ratio:10/7;padding:0;position:relative}
.collection-grid .collection-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.collection-grid .collection-image.framed img{object-fit:contain}
.collection-card:hover .framed img{transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}.collection-card:hover img{transform:none}}