:root{--ink:#202c28;--green:#285543;--muted:#66716b;--line:#dce3df;--pink:#a64962;--wash:#f0f5f2;--white:#fff}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body.duji-site{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7;letter-spacing:0;-webkit-font-smoothing:antialiased}
.duji-site *{box-sizing:border-box;letter-spacing:0}
.duji-site h1,.duji-site h2,.duji-site h3,.duji-site p,.duji-site figure{margin:0}
.duji-site a{color:inherit;text-decoration:none}
.duji-site img{display:block;max-width:100%;height:auto}
.duji-site button,.duji-site input{font:inherit}
.duji-site button{cursor:pointer}
.duji-site :focus-visible{outline:3px solid var(--pink);outline-offset:4px}
.duji-wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-brand{display:flex;align-items:center;gap:16px;flex-shrink:0}
.brand-name{font-family:"Songti SC","STSong","SimSun",serif;font-size:32px;font-weight:700;color:var(--green)}
.brand-description{font-size:12px;line-height:1.65;border-left:1px solid var(--line);padding-left:16px;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:32px;font-size:14px}
.site-nav a{padding-block:8px;border-bottom:1px solid transparent}
.site-nav a:hover{color:var(--green);border-color:var(--green)}
.site-nav .nav-contact{color:var(--green);font-weight:600}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px;color:var(--green)}
.duji-site svg{width:20px;height:20px;display:block}
.duji-hero{height:560px;max-height:calc(100svh - 185px);min-height:390px;position:relative;isolation:isolate;color:white;overflow:hidden}
.hero-photo{position:absolute;width:100%;height:100%!important;object-fit:cover;object-position:50% 48%;z-index:-2}
.hero-shade{position:absolute;inset:0;background:rgba(16,25,21,.26);z-index:-1}
.hero-copy{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;text-shadow:0 2px 10px #233029}
.hero-kicker{font-size:13px;margin-bottom:18px!important}
.duji-hero h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:66px;line-height:1.2;font-weight:600}
.duji-hero h1 span{display:block;font-family:inherit;font-size:30px;margin-top:14px;line-height:1.45}
.hero-description{margin-top:22px!important;font-size:17px;line-height:1.85;max-width:460px}
.hero-actions{display:flex;align-items:center;gap:28px;margin-top:28px;text-shadow:none}
.duji-button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:10px 24px;background:var(--green);color:white!important;font-size:14px;border-radius:3px}
.duji-button.light{background:white;color:var(--green)!important}
.hero-text-link{font-size:14px;text-shadow:0 1px 5px #202c28}
.hero-caption{position:absolute;right:30px;bottom:20px;font-size:11px;text-shadow:0 1px 5px #202c28}
.duji-facts{border-bottom:1px solid var(--line);background:var(--wash)}
.duji-facts .duji-wrap{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:var(--green)}
.duji-section{padding:72px 0;scroll-margin-top:86px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-kicker{font-size:11px;color:var(--muted);margin-bottom:9px!important;font-weight:500}
.duji-section h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:30px;line-height:1.5;font-weight:600}
.duji-text-link{font-size:13px;color:var(--green)!important;white-space:nowrap;border-bottom:1px solid var(--line);padding-bottom:4px}
.duji-text-link:hover{border-color:var(--green)}
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.product-image{aspect-ratio:4/5;background:#f4f4f5;overflow:hidden;border-radius:4px}
.product-image img{width:100%;height:100%!important;object-fit:cover;transition:transform .3s}
.product-item:hover .product-image img{transform:scale(1.025)}
.product-group{font-size:11px;color:var(--pink);margin-top:16px!important}
.product-item h3{font-size:18px;font-weight:500;line-height:1.55;margin:5px 0!important;display:flex;justify-content:space-between;gap:8px}
.product-item h3 span{font-size:17px;color:var(--muted)}
.product-note{font-size:13px;color:var(--muted);line-height:1.8}
.knowledge-band{background:var(--wash)}
.knowledge-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:70px}
.knowledge-feature img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:4px;margin-bottom:20px}
.knowledge-feature h3{font-size:21px;line-height:1.55;margin-bottom:10px!important;font-weight:500}
.knowledge-feature>p:last-child{font-size:14px;color:var(--muted);max-width:440px}
.note-list{min-width:0}
.note-row{display:flex;gap:22px;padding:22px 0;border-top:1px solid #cbd8d0}
.note-number{font-size:13px;color:var(--pink);min-width:22px;padding-top:3px}
.note-row h3{font-size:18px;font-weight:500;line-height:1.6}
.note-read{display:block;font-size:12px;color:var(--green);margin-top:12px}
.duji-search{display:flex;align-items:center;border:1px solid #cbd8d0;border-radius:3px;background:white;margin-top:24px;min-height:48px}
.duji-search input{border:0;background:transparent;width:100%;min-width:0;padding:12px 16px;color:var(--ink);font-size:14px}
.duji-search button{border:0;background:none;color:var(--green);height:46px;width:48px;flex-shrink:0;display:grid;place-items:center}
.about-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}
.about-layout h2{margin-bottom:22px!important}
.about-layout p:not(.section-kicker){font-size:14px;color:var(--muted);line-height:2.1;max-width:420px;margin-bottom:22px!important}
.about-layout img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}
.about-layout figcaption{font-size:11px;color:var(--muted);margin-top:8px}
.contact-band{background:var(--green);color:white}
.contact-layout{display:flex;justify-content:space-between;align-items:center;gap:32px;max-width:920px}
.contact-band .section-kicker{color:#c4d4c9}
.contact-band h2{margin-bottom:20px!important}
.contact-band p:not(.section-kicker){font-size:14px;color:#d6e1da;line-height:1.9}
.wechat-id{display:flex;align-items:center;gap:18px;margin-top:22px}
.wechat-id>span{font-size:12px;color:#c4d4c9}
.wechat-id strong{font-size:20px;font-weight:500}
.copy-wechat{background:transparent;color:white;border:1px solid #7da28e;display:grid;place-items:center;width:36px;height:36px;border-radius:3px}
.copy-result{min-height:25px;margin-top:8px!important}
.contact-qr{width:180px;flex-shrink:0;text-align:center}
.contact-qr img{background:white;aspect-ratio:1;object-fit:contain;width:180px;border-radius:4px;padding:8px}
.contact-qr span{display:block;font-size:12px;margin-top:12px}
.site-footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);background:white}
.site-footer .duji-wrap{display:flex;justify-content:space-between;gap:20px;font-size:12px}
.site-footer a{margin-left:22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-80px;left:16px;z-index:100;padding:12px;background:white}
.skip-link:focus{top:12px}
.reading-main{min-height:65vh;padding:52px 0 72px}
.reading-wrap{width:min(780px,calc(100% - 48px));margin:auto}
.breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:24px}
.breadcrumbs a{color:var(--green)}
.reading-title{font-family:"Songti SC","STSong","SimSun",serif;font-size:32px;line-height:1.55;overflow-wrap:anywhere}
.reading-meta{font-size:12px;color:var(--muted);margin:16px 0 32px!important}
.article-body{font-size:16px;line-height:2;overflow-wrap:anywhere}
.article-body p{margin:16px 0!important}
.article-body h2{font-size:23px;line-height:1.6;margin:32px 0 14px!important}
.article-body h3{font-size:19px;line-height:1.6;margin:24px 0 10px!important}
.article-body ul,.article-body ol{padding-left:24px;margin:16px 0}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.article-body figure{margin:24px 0!important}
.article-body img{height:auto!important;max-height:650px;object-fit:contain;margin:16px auto}
.article-body table{max-width:100%;border-collapse:collapse;width:100%;font-size:14px}
.article-body td,.article-body th{border:1px solid var(--line);padding:10px;overflow-wrap:anywhere}
.archive-description{color:var(--muted);font-size:14px;margin:16px 0 28px!important}
.topic-nav{display:flex;gap:20px;flex-wrap:wrap;border-block:1px solid var(--line);padding:18px 0;margin:28px 0}
.topic-nav a{color:var(--green);font-size:13px}
.archive-list{margin:24px 0}
.archive-item{padding:24px 0;border-bottom:1px solid var(--line)}
.archive-item h2{font-size:20px;line-height:1.55;font-weight:500;margin-bottom:8px!important}
.archive-item p{font-size:14px;color:var(--muted)}
.pagination{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;font-size:14px}
.pagination a,.pagination span{padding:8px 13px;border:1px solid var(--line)}
.pagination .current{background:var(--green);color:white}
.article-contact{border-block:1px solid var(--line);padding:24px 0;margin-top:36px;font-size:14px;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq-list details{border-top:1px solid var(--line);padding:16px 0}
.faq-list summary{cursor:pointer;font-size:16px;font-weight:500}
.catalog-main,.product-main{padding:38px 0 64px;min-height:70vh}
.catalog-heading{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-bottom:30px}
.catalog-heading h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:38px;line-height:1.45}
.catalog-heading p:not(.section-kicker){font-size:14px;color:var(--muted);margin-top:8px}
.catalog-heading .duji-text-link,.catalog-detail-link,.catalog-contact .duji-button,.product-detail-copy .duji-button,.product-detail-copy>.duji-text-link,.catalog-pending .duji-text-link{display:inline-flex;align-items:center;gap:8px}
.product-name-index{border-block:1px solid var(--line);padding:16px 0 20px}
.product-name-index summary{list-style:none;display:flex;align-items:center;gap:16px;font-size:15px;font-weight:600;cursor:pointer}
.product-name-index summary::-webkit-details-marker{display:none}
.product-name-index summary span{font-size:12px;color:var(--muted);font-weight:400}
.product-name-index summary svg{margin-left:auto;transition:transform .2s}
.product-name-index[open] summary svg{transform:rotate(180deg)}
.product-name-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px 24px;list-style:none;margin:20px 0 0;padding:0;font-size:13px;line-height:1.7}
.product-name-list a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
.product-name-list span{font-size:10px;color:var(--pink);white-space:nowrap}
.catalog-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:28px 0}
.catalog-filters{display:flex;align-items:center;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line)}
.catalog-filters button{background:transparent;border:0;border-bottom:2px solid transparent;min-height:44px;padding:9px 14px;font-size:13px;color:var(--muted)}
.catalog-filters button[aria-pressed=true]{border-bottom-color:var(--green);color:var(--green);font-weight:600}
.catalog-count{font-size:12px;color:var(--muted);flex-shrink:0}
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:46px 30px}
.catalog-card{min-width:0;scroll-margin-top:110px}
.catalog-card[hidden]{display:none}
.catalog-gallery{min-width:0}
.gallery-enlarge{border:0;padding:0;background:#f2f3f2;position:relative;display:block;aspect-ratio:4/3;width:100%;border-radius:4px;overflow:hidden}
.gallery-main{width:100%;height:100%!important;object-fit:cover}
.gallery-zoom{position:absolute;right:12px;bottom:12px;width:32px;height:32px;background:#fffffff2;display:grid;place-items:center;border-radius:3px;color:var(--green)}
.gallery-zoom svg{width:17px;height:17px}
.gallery-caption{color:var(--muted);font-size:11px;line-height:1.5;min-height:33px;padding-top:8px}
.gallery-thumbnails{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:8px}
.gallery-thumb{padding:3px;border:1px solid var(--line);background:white;border-radius:3px;aspect-ratio:4/3;overflow:hidden;min-width:0}
.gallery-thumb img{width:100%;height:100%!important;object-fit:cover}
.gallery-thumb[aria-pressed=true]{border:2px solid var(--green);padding:2px}
.catalog-card h2{font-size:19px;font-weight:500;line-height:1.6;margin:7px 0 10px}
.catalog-summary{font-size:13px;line-height:1.85;color:var(--muted);min-height:49px}
.catalog-detail-link{font-size:13px;color:var(--green)!important;margin-top:14px;border-bottom:1px solid var(--line);padding-bottom:3px}
.catalog-pending{border-top:1px solid var(--line);margin-top:52px;padding-top:28px}
.catalog-pending>h2{font-size:20px;font-weight:500;margin-bottom:22px}
.catalog-pending>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
.catalog-pending h3{font-size:17px;font-weight:500;display:flex;align-items:center;gap:16px}
.catalog-pending h3 span{color:var(--muted);font-size:11px}
.catalog-pending p{font-size:13px;color:var(--muted);margin:10px 0 16px}
.catalog-contact{border-block:1px solid var(--line);padding:30px 0;margin-top:44px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.catalog-contact h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:25px;font-weight:600;line-height:1.5}
.catalog-contact p{color:var(--muted);font-size:13px;margin-top:10px}
.catalog-contact .duji-button{flex-shrink:0}
.product-detail-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:64px;align-items:start}
.product-detail-layout .gallery-enlarge{aspect-ratio:1/1}
.product-detail-layout .gallery-main{object-fit:contain}
.product-detail-layout .gallery-thumbnails{max-width:420px}
.product-detail-copy h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:30px;line-height:1.55}
.product-intro{font-size:14px;color:var(--muted);margin-top:18px!important;line-height:1.95}
.product-detail-copy dl{margin:26px 0}
.product-detail-copy dl>div{border-top:1px solid var(--line);padding:14px 0}
.product-detail-copy dt{font-size:12px;color:var(--muted);margin-bottom:5px}
.product-detail-copy dd{margin:0;font-size:14px;line-height:1.9}
.product-wechat{display:flex;align-items:center;gap:18px;margin-top:22px;font-size:14px;color:var(--green)}
.product-wechat .copy-wechat{color:var(--green);border-color:var(--line)}
.product-detail-copy .copy-result{font-size:12px;color:var(--muted)}
.product-detail-copy>.duji-text-link{margin-top:22px}
.product-photo-story{margin-top:56px;border-top:1px solid var(--line);padding-top:28px}
.product-photo-story h2{font-size:23px;font-weight:500;margin-bottom:25px}
.product-photo-story>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.product-photo-story figure{min-width:0}
.product-photo-story img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f4f5f4;border-radius:4px}
.product-photo-story figcaption{font-size:12px;color:var(--muted);margin-top:8px}
.product-disclaimer{font-size:12px;color:var(--muted);border-top:1px solid var(--line);margin-top:36px!important;padding-top:20px}
.photo-dialog{width:min(1100px,calc(100% - 32px));max-height:92svh;padding:16px;background:white;color:var(--ink);border:0;border-radius:4px;overflow:auto}
.photo-dialog::backdrop{background:#18241dda}
.photo-dialog-toolbar{display:flex;justify-content:space-between;align-items:center;height:38px;font-size:12px;color:var(--muted)}
.photo-dialog button{border:0;background:transparent;color:var(--ink);display:grid;place-items:center;width:40px;height:40px;flex-shrink:0}
.photo-dialog button[hidden]{display:none}
.photo-dialog-stage{display:grid;grid-template-columns:40px minmax(0,1fr) 40px;align-items:center;gap:8px;min-height:220px}
.photo-dialog-image{width:100%;height:min(70svh,720px)!important;object-fit:contain}
.photo-dialog-caption{font-size:13px;line-height:1.6;margin:12px 48px 0!important;text-align:center}
@media(max-width:1000px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 24px}.product-detail-layout{gap:30px}.product-name-list{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-tools{align-items:flex-start}.catalog-count{padding-top:12px}}
@media(max-width:700px){.catalog-main,.product-main{padding:26px 0 42px}.catalog-heading{align-items:flex-start;flex-direction:column;gap:18px}.catalog-heading h1{font-size:29px}.catalog-heading p:not(.section-kicker){font-size:13px}.product-name-index summary{gap:10px;font-size:14px}.product-name-index summary span{font-size:10px}.product-name-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;font-size:12px}.catalog-tools{flex-direction:column;gap:10px}.catalog-filters{width:100%;flex-wrap:nowrap;overflow:auto}.catalog-filters button{flex-shrink:0;font-size:12px;padding-inline:12px}.catalog-count{padding-top:0}.catalog-grid{grid-template-columns:1fr;gap:36px}.catalog-card h2{font-size:19px}.catalog-summary{min-height:0}.gallery-thumbnails{max-width:360px}.catalog-pending>div{grid-template-columns:1fr;gap:24px}.catalog-contact{align-items:flex-start;flex-direction:column}.catalog-contact h2{font-size:22px}.product-detail-layout{grid-template-columns:1fr;gap:30px}.product-detail-copy h1{font-size:27px}.product-photo-story>div{grid-template-columns:1fr;gap:25px}.photo-dialog{padding:10px}.photo-dialog-stage{grid-template-columns:32px minmax(0,1fr) 32px;gap:2px}.photo-dialog button{width:32px;height:40px}.photo-dialog-caption{margin-inline:10px!important}.photo-dialog-image{height:60svh!important}}
@media(min-width:1600px){.duji-hero{height:600px}}
@media(max-width:1000px){.duji-wrap{width:calc(100% - 48px)}.site-nav{gap:20px}.brand-description{display:none}.knowledge-layout,.about-layout{gap:36px}.product-grid{gap:18px}.duji-hero{height:500px}}
@media(max-width:700px){html{scroll-padding-top:78px}.header-inner{height:72px}.brand-name{font-size:28px}.brand-description{display:block;font-size:10px;padding-left:12px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;top:72px;left:0;right:0;background:white;box-shadow:0 8px 15px #202c2812;padding:16px 24px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:8px}.site-nav.is-open{display:flex}.site-nav a{padding:10px 0}.duji-wrap{width:calc(100% - 40px)}.duji-hero{height:460px;max-height:calc(100svh - 160px);min-height:355px}.hero-photo{object-position:47% 50%}.hero-shade{background:rgba(16,25,21,.32)}.duji-hero h1{font-size:48px}.duji-hero h1 span{font-size:23px;max-width:280px}.hero-description{font-size:14px;line-height:1.8;max-width:300px;margin-top:16px!important}.hero-kicker{font-size:11px;margin-bottom:12px!important}.hero-actions{gap:20px;margin-top:24px}.hero-caption{right:16px;bottom:12px;font-size:10px}.duji-facts .duji-wrap{min-height:54px;gap:12px;font-size:10px}.duji-facts span:last-child{display:none}.duji-section{padding:42px 0;scroll-margin-top:72px}.duji-section h2{font-size:24px}.section-heading{margin-bottom:24px;align-items:flex-start}.section-heading .duji-text-link{font-size:11px;margin-top:24px}.section-heading h2{max-width:250px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 16px}.product-item h3{font-size:16px}.product-note{font-size:12px}.product-group{font-size:10px;margin-top:12px!important}.knowledge-layout,.about-layout{grid-template-columns:1fr;gap:28px}.note-row h3{font-size:17px}.knowledge-feature h3{font-size:20px}.contact-layout{gap:28px}.contact-band h2{font-size:22px}.contact-layout{flex-direction:column;align-items:flex-start}.contact-qr{width:160px}.contact-qr img{width:160px}.site-footer .duji-wrap{flex-direction:column;gap:10px}.site-footer a{margin:0 20px 0 0}.reading-title{font-size:26px}.reading-main{padding-top:32px}.article-body{font-size:15px}.article-body h2{font-size:21px}.article-contact{align-items:flex-start;flex-direction:column}.archive-item h2{font-size:18px}}
@media(max-width:360px){.brand-description{display:none}.duji-wrap{width:calc(100% - 32px)}.duji-hero h1 span{font-size:21px}.duji-section h2{font-size:22px}.section-heading{flex-direction:column;gap:8px}.section-heading .duji-text-link{margin-top:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-image img{transition:none}}