:root{--navy:#17234b;--orange:#ef6c2c;--ink:#202b3b;--muted:#667181;--line:#e1e5e9;--pale:#f3f5f7}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #f99866;outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin:0}button{border:0}section{scroll-margin-top:24px}.preview-bar{background:var(--navy);color:#dce0ee;text-align:center;font-size:11px;letter-spacing:.7px;padding:8px 16px}.header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:32px;min-height:92px;padding:16px max(5vw,24px);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{width:54px;height:49px;object-fit:contain}.brand strong{display:block;font-size:22px;line-height:1.3;letter-spacing:2px;color:var(--navy)}.brand small{display:block;font-size:10px;letter-spacing:.5px;color:var(--muted);margin-top:5px}.header nav{display:flex;align-items:center;justify-content:center;gap:30px;margin-left:auto}.header nav a{font-size:14px;white-space:nowrap;transition:color .2s}.header nav a:hover{color:var(--orange)}.language{display:flex;align-items:center;gap:7px;white-space:nowrap;font-size:12px;border-left:1px solid var(--line);padding-left:24px}.language button{padding:5px 0;background:none;color:var(--muted)}.language button[aria-pressed=true]{color:var(--orange);font-weight:700}.menu-toggle{display:none;background:var(--pale);padding:5px 12px;font-size:22px}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:600px;padding:64px max(5vw,24px);gap:48px;align-items:center;background:linear-gradient(120deg,#fff 45%,#f0f2f5)}.eyebrow{font-size:10px;letter-spacing:2.3px;font-weight:650;display:flex;gap:12px;align-items:center}.orange-line{width:27px;height:2px;background:var(--orange)}.orange{color:var(--orange)}.hero h1{font-size:clamp(38px,4.1vw,66px);line-height:1.3;letter-spacing:1px;font-weight:700;margin:26px 0}.hero h1 span{display:block}.accent{color:var(--orange)}.hero-lead{font-size:20px;letter-spacing:.6px;font-weight:550}.hero-description{font-size:14px;color:var(--muted);max-width:410px;line-height:1.9;margin-top:18px}.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;padding:13px 24px;font-size:13px;font-weight:600;min-height:47px}.primary{color:white;background:var(--orange)}.primary:hover{background:#db5a1b}.light{border:1px solid #cbd1da;background:transparent}.hero-footnote{margin-top:38px;font-size:11px;letter-spacing:1px;color:var(--muted)}.hero-visual{border:1px solid #dee1e6;background:#eef0f3;position:relative}.visual-top{display:flex;justify-content:space-between;gap:10px;padding:20px 23px;font-size:9px;letter-spacing:1.7px;color:#677181}.product-stage{padding:14px 0 20px;overflow:hidden}.product-stage img{width:100%;aspect-ratio:1.5;object-fit:cover;mix-blend-mode:multiply}.visual-caption{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid #d8dce1;padding:20px 24px}.visual-caption small{display:block;font-size:9px;color:var(--muted);letter-spacing:1.8px}.visual-caption strong{font-size:15px;font-weight:550;display:block;margin-top:4px}.visual-caption>a{width:40px;height:40px;display:grid;place-items:center;border:1px solid #c7ccd4;font-size:20px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);padding:35px max(5vw,24px) 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:20px}.metric{border-right:1px solid var(--line);padding-left:26px}.metric:first-child{padding-left:0}.metric:nth-child(4){border:0}.metric strong{font-size:38px;color:var(--navy);font-weight:650;letter-spacing:-1px}.metric strong span{font-size:12px;letter-spacing:0;font-weight:400;margin-left:8px;color:var(--muted)}.metric p{font-size:12px;color:var(--muted);margin-top:2px}.metrics-note{grid-column:1/-1;font-size:10px;color:#79818e;margin-top:6px}.section{padding:80px max(5vw,24px)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:32px}h2{font-size:clamp(25px,2.4vw,36px);line-height:1.45;font-weight:650;letter-spacing:.5px;margin-top:11px}.heading-note{color:var(--muted);font-size:12px;max-width:330px;line-height:1.9}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:27px}.filters button{padding:9px 18px;background:#f4f5f7;color:var(--muted);font-size:12px}.filters button[aria-pressed=true]{background:var(--navy);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.product-card{border:1px solid var(--line);text-align:left;background:white;padding:0;width:100%;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}.product-card:hover{transform:translateY(-4px);border-color:#d78c65}.product-image{overflow:hidden;background:#f2f3f5;width:100%}.product-image img{width:100%;aspect-ratio:1.5;object-fit:cover;mix-blend-mode:multiply;transition:transform .3s}.product-card:hover img{transform:scale(1.04)}.product-card-content{padding:18px 19px;display:flex;gap:10px;align-items:flex-start;justify-content:space-between;flex:1}.product-card h3{font-size:14px;line-height:1.6;font-weight:550}.product-card small{display:block;font-size:9px;color:var(--muted);margin-top:6px;letter-spacing:.5px}.product-arrow{color:var(--orange);font-size:19px;flex-shrink:0}.applications{padding:65px max(5vw,24px);color:white;background:var(--navy)}.applications .eyebrow{color:#bbc4de}.applications .heading-note{color:#b3bdd3}.application-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:42px}.application-grid article{padding:0 28px;border-left:1px solid #3a4668}.application-grid article:first-child{padding-left:0;border:0}.application-number{display:block;color:#f19b6e;font-size:12px;letter-spacing:2px;margin-bottom:25px}.application-grid h3{font-size:18px;font-weight:500}.application-grid p{color:#b3bdd3;font-size:12px;line-height:1.9;margin-top:12px}.about{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.about-visual{background:var(--pale);padding:27px 28px}.about-visual .eyebrow{font-size:9px;color:var(--muted);line-height:1.7}.about-visual img{mix-blend-mode:multiply;margin:30px 0;width:100%;aspect-ratio:1.5;object-fit:cover}.process{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #d8dce1;padding-top:20px;font-size:10px;color:#5b6473;letter-spacing:1px}.about-copy>p:not(.eyebrow){color:var(--muted);font-size:13px;line-height:2;margin-top:20px}.capability{padding-top:17px;margin-top:17px;border-top:1px solid var(--line)}.capability strong{font-size:14px;font-weight:600}.capability p{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.9}.text-link{display:inline-block;margin-top:26px;color:var(--orange);font-size:12px;font-weight:600}.qualifications{background:#f8f9fb;padding-top:65px;padding-bottom:65px}.qualification-placeholder{display:flex;align-items:center;gap:26px;padding:30px;background:white;border:1px solid var(--line)}.certificate-mark{font-size:48px;color:#b1bac9}.qualification-placeholder h3{font-size:16px;font-weight:550}.qualification-placeholder p{font-size:12px;color:var(--muted);max-width:700px;line-height:1.9;margin-top:8px}.pending{white-space:nowrap;margin-left:auto;font-size:10px;letter-spacing:1px;color:#6e7787;padding:6px 10px;background:var(--pale)}.contact{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:64px max(5vw,24px);background:#ec6b2d;color:white}.contact .eyebrow{color:#ffe0cd}.contact h2{font-size:38px}.contact-intro{font-size:13px;line-height:1.9;margin-top:18px;color:#fff0e7;max-width:420px}.contact-details{padding-left:40px;border-left:1px solid #f59f74;align-self:center}.contact-label{font-size:10px;letter-spacing:2px;color:#ffe0cd}address{font-style:normal;font-size:15px;line-height:1.9;margin-top:11px}.contact-pending{margin-top:23px;padding-top:18px;border-top:1px solid #f59f74;font-size:12px}.contact-pending small{display:block;color:#ffe0cd;margin-top:5px;font-size:10px}footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px max(5vw,24px);font-size:10px;color:var(--muted)}dialog{padding:0;border:0;max-width:min(860px,92vw);width:860px;max-height:88vh;overflow:auto;color:var(--ink);box-shadow:0 24px 90px #0005}dialog::backdrop{background:#101729b8}dialog>img{width:100%;max-height:350px;object-fit:contain;background:var(--pale)}.dialog-close{position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:50%;background:white;font-size:26px}.dialog-copy{padding:30px}.dialog-copy>p:not(.eyebrow){font-size:13px;line-height:1.9;color:var(--muted);margin-top:16px}.detail-note{border-top:1px solid var(--line);padding-top:16px}.dialog-copy .button{margin-top:23px}
html[lang=en] .brand strong{font-size:17px;letter-spacing:1px}html[lang=en] .header nav{gap:20px}html[lang=en] .hero h1{font-size:clamp(34px,3.5vw,55px);letter-spacing:-1px}html[lang=en] .hero-lead{font-size:17px}html[lang=en] .hero-description{max-width:460px}
@media(min-width:1600px){.header,.hero,.metrics,.section,.applications,.contact,footer{padding-left:calc((100vw - 1380px)/2);padding-right:calc((100vw - 1380px)/2)}}
@media(max-width:1100px){.header{gap:20px}.header nav{gap:18px}.brand strong{font-size:20px}.brand small{max-width:190px}.hero{gap:30px;min-height:560px}.hero h1{font-size:42px}.language{padding-left:16px}.about{gap:40px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}html[lang=en] .header nav{gap:12px}html[lang=en] .header nav a{font-size:12px}}
@media(max-width:900px){.header{min-height:78px;padding-top:12px;padding-bottom:12px;gap:16px}.brand{margin-right:auto}.brand img{width:44px;height:40px}.menu-toggle{display:block;order:3}.language{border:0;padding-left:0}.header nav{display:none;position:absolute;top:100%;left:0;right:0;background:white;box-shadow:0 10px 20px #18234612;padding:20px 24px;flex-direction:column;align-items:stretch;gap:0}.header nav.is-open{display:flex}.header nav a{padding:12px;border-bottom:1px solid var(--line)}.hero{padding-top:45px;padding-bottom:45px;grid-template-columns:1fr 1fr;gap:24px}.hero h1{font-size:36px}.hero-lead{font-size:16px}.hero .eyebrow{font-size:8px;letter-spacing:1px}.hero-actions{gap:10px}.hero-actions .button{padding:11px 15px;gap:16px}.hero-footnote{font-size:10px;letter-spacing:0}.visual-top{padding:16px 14px;font-size:8px;letter-spacing:.5px}.visual-caption{padding:16px}.visual-caption strong{font-size:12px}.visual-caption>a{width:32px;height:32px;flex-shrink:0}.metric{padding-left:12px}.metric strong{font-size:30px}.section{padding-top:58px;padding-bottom:58px}.section-heading{gap:25px}.heading-note{max-width:270px}.application-grid article{padding:0 17px}.application-grid h3{font-size:16px}.about{gap:28px}.about-visual{padding:20px}.contact{gap:30px}.contact-details{padding-left:25px}footer{flex-wrap:wrap}html[lang=en] .hero h1{font-size:35px}}
@media(max-width:600px){html{scroll-padding-top:85px}.preview-bar{font-size:9px;letter-spacing:0}.header,.hero,.metrics,.section,.applications,.contact,footer{padding-left:20px;padding-right:20px}.header{gap:12px}.brand{gap:8px}.brand strong{font-size:18px}.brand small{font-size:8px;max-width:170px}.brand img{width:35px;height:37px}.menu-toggle{font-size:20px;padding:4px 9px}.language{gap:5px;font-size:11px}.hero{grid-template-columns:1fr;gap:32px;padding-top:40px;padding-bottom:30px}.hero h1{font-size:43px;margin:23px 0}.hero-lead{font-size:18px}.hero-description{font-size:13px;max-width:none}.hero-footnote{margin-top:25px}.hero-visual{max-width:100%}.product-stage{padding:0 15px}.product-stage img{aspect-ratio:1.75}.visual-caption strong{font-size:14px}.metrics{grid-template-columns:repeat(2,1fr);gap:24px 14px;padding-top:28px}.metric{padding-left:0}.metric:nth-child(2){border:0}.metric strong{font-size:34px}.metrics-note{font-size:9px;line-height:1.8;margin-top:0}.section-heading{display:block;margin-bottom:24px}h2{font-size:27px}.heading-note{max-width:none;margin-top:16px;font-size:12px}.filters{gap:7px;margin-bottom:22px}.filters button{padding:8px 11px;font-size:11px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.product-card-content{padding:13px 12px;gap:5px}.product-card h3{font-size:12px}.product-card small{font-size:8px}.applications{padding-top:45px;padding-bottom:45px}.application-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 20px;margin-top:30px}.application-grid article{padding:0}.application-grid article:nth-child(odd){border:0}.application-grid article:nth-child(even){padding-left:20px}.application-number{margin-bottom:10px}.application-grid h3{font-size:17px}.application-grid p{font-size:11px}.about{grid-template-columns:1fr;gap:32px}.about-visual{order:2}.qualification-placeholder{padding:22px;gap:15px;align-items:flex-start;flex-wrap:wrap}.certificate-mark{font-size:33px;line-height:1}.qualification-placeholder>div{flex:1;min-width:170px}.qualification-placeholder h3{font-size:15px}.qualification-placeholder p{font-size:11px}.pending{margin-left:45px}.contact{grid-template-columns:1fr;gap:30px;padding-top:45px;padding-bottom:45px}.contact h2{font-size:34px}.contact-details{border-left:0;border-top:1px solid #f59f74;padding:25px 0 0}address{font-size:14px}footer{font-size:9px;gap:12px;padding-top:23px;padding-bottom:23px}.dialog-copy{padding:24px}html[lang=en] .brand strong{font-size:13px}html[lang=en] .brand small{max-width:150px;font-size:7px}html[lang=en] .hero h1{font-size:39px}html[lang=en] h2{font-size:26px}}
.videos{padding-top:35px;border-top:1px solid var(--line)}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.video-card{border:1px solid var(--line);background:#fff;min-width:0}.video-card video{display:block;width:100%;height:auto;aspect-ratio:960/544;object-fit:contain;background:#141b29}.video-caption{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:21px 24px}.video-caption small{font-size:9px;letter-spacing:1.8px;color:var(--muted)}.video-caption h3{font-size:16px;font-weight:550;margin-top:5px}.video-caption>span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.video-error{font-size:12px;padding:0 24px 20px;color:var(--muted)}.video-error a{color:var(--orange);text-decoration:underline}
@media(max-width:600px){.video-grid{grid-template-columns:1fr;gap:22px}.video-caption{padding:17px 20px}.video-caption h3{font-size:15px}.videos{padding-top:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.video-grid{grid-template-columns:minmax(0,1fr);max-width:1040px;margin-left:auto;margin-right:auto}

#certificate-image { flex: 0 0 auto; width: min(32vw, 360px); max-height: 420px; height: auto; object-fit: contain; }
#contact-qr { width: 140px; height: 140px; object-fit: contain; margin-top: 20px; }
#detail-gallery { display: flex; gap: 10px; overflow-x: auto; padding: 12px; }
#detail-gallery:empty { display: none; }
#detail-gallery button { border: 1px solid #ddd; background: white; padding: 4px; cursor: pointer; }
#detail-gallery img { width: 72px; height: 58px; object-fit: contain; }
[hidden] { display: none !important; }
.contact-methods { margin-top: 23px; padding-top: 18px; border-top: 1px solid #f59f74; display: grid; gap: 14px; }
.contact address a { color: white; text-decoration: underline; text-decoration-color: #ffc09e; text-underline-offset: 4px; }
.contact address a:hover { color: #fff4ed; }
.map-link { display: block; color: #ffe0cd; font-size: 11px; margin-top: 5px; }
.contact-methods > p, .contact-methods > div { display: flex; gap: 20px; align-items: baseline; }
.contact-methods > [hidden] { display: none; }
.contact-methods > p > span, .contact-methods > div > span { min-width: 64px; color: #ffe0cd; font-size: 12px; }
.contact-methods strong { font-size: 16px; font-weight: 600; }
#contact-phones { display: grid; gap: 6px; }
.contact-methods a { color: white; overflow-wrap: anywhere; }
#contact-phones a { font-size: 22px; font-weight: 600; letter-spacing: .5px; font-variant-numeric: tabular-nums; }
.contact-methods a:hover { text-decoration: underline; }
#detail-specifications { margin-top: 18px; font-size: 13px; }
#detail-specifications > div { display: grid; grid-template-columns: minmax(80px, 1fr) 3fr; gap: 16px; border-top: 1px solid var(--line); padding: 10px 0; }
#detail-specifications dt { color: var(--muted); }
#detail-specifications dd { margin: 0; white-space: pre-line; overflow-wrap: anywhere; }

/* 产品、主视觉和关于我们图片保持完整画面，避免后台更换不同长宽比素材时被裁切。 */
.product-image img, .product-stage img, .about-visual img { object-fit: contain; background: #f2f3f5; }
@media(max-width:600px){#certificate-image{width:100%;max-height:420px}.qualification-placeholder{display:grid;grid-template-columns:1fr}.qualification-placeholder>div{min-width:0}.qualification-placeholder .pending{margin-left:0;justify-self:start}}

/* 页脚备案号，保持与页脚文字同色 */
.icp-link { color: inherit; text-decoration: none; }
.icp-link:hover { text-decoration: underline; }