:root{--navy:#053779;--blue:#087fe8;--blue-dark:#0757b7;--ink:#12365e;--muted:#526b84;--line:#d8e5f2;--paper:#f2f7fd;--radius:14px;--shadow:0 12px 34px #12365e0b}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:115px}body{margin:0;font:16px/1.7 'Segoe UI','PingFang SC','Microsoft YaHei',Arial,sans-serif;color:var(--ink);background:#fff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #087fe8;outline-offset:5px}header{position:sticky;top:0;z-index:10;background:#ffffffed;backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:space-between;padding:13px 5.5%;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:4px;line-height:1;font-size:24px;font-weight:800;letter-spacing:1px;color:var(--navy)}.brand small{display:block;font-size:12px;font-weight:600;letter-spacing:3px;margin-top:9px}.brandmark{width:64px;height:64px;object-fit:contain;display:block;flex:none}nav{display:flex;gap:27px;font-size:14px;font-weight:600}nav a{padding:8px 0;border-bottom:2px solid transparent}nav a:hover,nav a.current{color:var(--blue);border-bottom-color:var(--blue)}.header-actions{display:flex;align-items:center;gap:14px}#language{border:1px solid var(--line);background:white;color:var(--navy);font-size:14px;padding:7px 10px;border-radius:7px;font-weight:600}.button{background:var(--blue);color:#fff;padding:13px 23px;display:inline-flex;justify-content:center;align-items:center;font-size:14px;font-weight:700;border:1px solid transparent;border-radius:8px;transition:background .2s,box-shadow .2s}.button:hover{background:var(--blue-dark);box-shadow:0 5px 18px #087fe828}.button.small{padding:10px 17px}.button.dark{background:var(--blue);color:white}.button.dark:hover{background:var(--blue-dark)}.button.outline{background:transparent;border-color:#a9c9e9;color:var(--blue-dark)}.button.outline:hover{background:#eaf4ff}.text-link{font-size:14px;font-weight:700;color:var(--blue-dark);text-decoration:underline;text-underline-offset:6px}.hero{background:linear-gradient(#fff 68%,#f1f8ff);padding:0 5.5% 45px}.brand-banner{max-width:1240px;margin:0 auto}.brand-banner img{display:block;width:100%;height:auto;object-fit:contain}.hero-copy{display:grid;grid-template-columns:1fr 1fr;gap:0 8%;align-items:start;max-width:1240px;margin:-16px auto 0}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;margin:0 0 20px;color:var(--blue-dark)}.hero .eyebrow{grid-column:1/-1;margin-bottom:12px}.hero h1{grid-column:1;grid-row:2 / 4;font-size:clamp(34px,3.6vw,55px);line-height:1.15;letter-spacing:-1.8px;margin:0;font-weight:750}h1 span{color:var(--blue)}.hero-desc{grid-column:2;grid-row:2;color:var(--muted);margin:0 0 24px;font-size:17px;max-width:560px}.hero-buttons{grid-column:2;grid-row:3;display:flex;gap:25px;align-items:center}.hero-meta{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:25px;margin-top:34px;font-size:12px;letter-spacing:1px;color:var(--muted)}.hero-meta span+span{border-left:1px solid #bcd6f0;padding-left:25px}.hero-panel{margin-top:30px;border:1px solid #5a87b9;background:#ffffff0a;padding:20px 23px 14px;border-radius:var(--radius);max-width:460px;min-width:0}.panel-top{display:flex;justify-content:space-between;gap:12px;font-size:12px;letter-spacing:1px;color:#c7dcf5}.schematic svg{display:block;width:100%;height:auto}.panel-bottom{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #5a87b9;padding-top:13px;font-size:14px}.panel-bottom strong{color:#79c7ff}.diagram-note{font-size:12px;color:#bed7f1;margin:10px 0 0}.intro-strip{padding:23px 5.5%;display:flex;gap:20px;justify-content:space-between;border-bottom:1px solid var(--line);background:#edf6ff}.intro-strip p{margin:0;font-weight:600}.intro-strip div{display:flex;gap:30px;color:var(--blue-dark);font-size:14px}.section{padding:78px 5.5%;max-width:1600px;margin:auto}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:12%;align-items:end;margin-bottom:32px}h2{font-size:clamp(30px,3vw,44px);font-weight:700;letter-spacing:-1.3px;line-height:1.23;margin:0 0 15px;color:var(--navy)}.section-heading .eyebrow{margin-bottom:14px}.section-heading p:last-child{color:var(--muted);margin:0 0 15px}.filters{display:flex;gap:10px;margin:30px 0;flex-wrap:wrap}.filters button{border:1px solid var(--line);background:white;padding:9px 21px;border-radius:30px;font-size:14px;color:var(--muted);font-weight:600}.filters button:hover{border-color:#89bdf1;color:var(--blue-dark)}.filters button.active{background:var(--blue);color:white;border-color:var(--blue)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{border:1px solid var(--line);padding:27px;display:flex;flex-direction:column;border-radius:var(--radius);background:linear-gradient(135deg,#f3f9ff 0%,white 55%);box-shadow:var(--shadow);transition:border-color .2s,box-shadow .2s}.product-card:hover{border-color:#8cc3f7;box-shadow:0 15px 34px #0757b712}.card-top{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#6884a1;margin-bottom:25px;align-items:center}.pill{background:#e0efff;color:#0757b7;border-radius:5px;padding:4px 11px;font-size:13px;font-weight:600}.product-card h3{font-size:23px;letter-spacing:-.4px;line-height:1.35;margin:0 0 21px;font-weight:700;color:var(--navy)}.card-specs{margin:0}.card-specs div{display:flex;gap:15px;justify-content:space-between;padding:9px 0;border-bottom:1px solid #e7eef7;font-size:14px}.card-specs dt{color:var(--muted)}.card-specs dd{margin:0;text-align:right;font-weight:600;max-width:66%;overflow-wrap:anywhere}.card-bottom{display:flex;justify-content:space-between;gap:12px;margin-top:22px;align-items:center}.color-pair{display:flex;gap:7px}.swatch{width:17px;height:17px;border-radius:50%;border:1px solid #bccbd9}.swatch.black{background:#172330}.swatch.white{background:white}.card-bottom button{border:0;background:none;color:var(--blue-dark);font-size:14px;font-weight:700;padding:8px 0}.card-bottom button:hover{text-decoration:underline;text-underline-offset:5px}.catalog-note,.muted{color:var(--muted);font-size:14px;margin:23px 0 0}.catalog-note{border-left:3px solid var(--blue);background:var(--paper);padding:16px 19px;border-radius:0 8px 8px 0}.spec-section{background:linear-gradient(120deg,#042c61,#064c98);color:white;padding:75px 5.5%;display:grid;grid-template-columns:1fr 1.2fr;gap:10%}.spec-section h2{color:white}.spec-section .eyebrow{color:#89caff}.spec-section>div>p:not(.eyebrow){color:#ccddf1;max-width:440px;margin:23px 0}.spec-section .text-link{color:#9dd4ff}.spec-list article{display:flex;gap:24px;padding:34px 0;border-bottom:1px solid #ffffff35}.spec-list article:first-child{padding-top:8px}.number{color:#9dc7ee;font-size:14px;background:#ffffff0c;width:36px;height:36px;border:1px solid #ffffff30;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}.spec-list h3{font-size:22px;margin:0 0 10px;font-weight:650}.spec-list p{font-size:16px;color:#ccddf1;margin:0 0 19px}.spec-list strong{font-size:clamp(24px,2.4vw,34px);color:#8dd4ff;letter-spacing:-.5px}.spec-list small{font-size:14px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:520px;text-align:left}th{background:#eaf4ff;font-size:14px;color:#315c89;font-weight:650}td,th{padding:18px 25px;border-bottom:1px solid var(--line)}tbody tr:nth-child(even){background:#f7fbff}tbody tr:last-child td{border-bottom:0}td:first-child{font-weight:650}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:45px}.steps article{border:1px solid var(--line);border-radius:var(--radius);padding:23px;background:#f7fbff}.steps span{font-size:14px;font-weight:750;color:var(--blue)}.steps h3{font-size:20px;margin:12px 0 8px;color:var(--navy)}.steps p{font-size:14px;color:var(--muted);margin:0}.about-section{background:var(--paper);padding:72px 5.5%}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:12%}.about-grid p{margin:0 0 21px;color:var(--muted)}.entity{border-top:1px solid var(--line);padding-top:22px}.entity span{display:block;font-size:12px;letter-spacing:1px;color:var(--blue-dark);margin-bottom:8px}.entity strong{font-weight:600;font-size:18px}.inquiry-section{display:grid;grid-template-columns:1fr 1.2fr;gap:8%;align-items:start}.inquiry-copy>p:not(.eyebrow){color:var(--muted);margin:22px 0 28px}.inquiry-copy .form-note{font-size:14px;margin-top:24px;max-width:410px}.inquiry-section form{background:#f6faff;border:1px solid var(--line);padding:30px;border-radius:18px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid label{display:block;font-size:14px;font-weight:600}.form-grid label span{display:block;margin-bottom:7px}.wide{grid-column:1/-1}input,select,textarea{width:100%;border:1px solid #c5d7ea;background:white;padding:12px;color:var(--ink);border-radius:7px;font-size:16px;min-width:0}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #087fe8;outline-offset:1px;border-color:transparent}.full{width:100%;margin-top:22px}#inquiryResult{border-top:1px solid var(--line);margin-top:30px;padding-top:15px}#inquiryResult h3{font-size:18px}.result-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:14px}#copyStatus{font-size:14px;color:var(--muted)}footer{padding:28px 5.5%;background:#edf5ff;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:24px}footer .brand{font-size:21px}footer p,footer>span{font-size:12px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}body:lang(zh-CN) h1{letter-spacing:0;line-height:1.3}body:lang(zh-CN) h2{letter-spacing:0;line-height:1.4}
@media(min-width:1600px){header,.hero,.intro-strip,.spec-section,.about-section,footer{padding-left:max(5.5%,calc((100vw - 1424px)/2));padding-right:max(5.5%,calc((100vw - 1424px)/2))}}@media(max-width:1100px){nav{gap:18px}header{gap:14px}.brand{font-size:20px}.brandmark{width:54px;height:54px}.header-actions{gap:8px}.product-grid{gap:15px}.product-card{padding:21px}.section,.spec-section{padding-top:60px;padding-bottom:60px}.section-heading,.about-grid{gap:6%}.inquiry-section{gap:5%}.inquiry-section form{padding:24px}.steps{gap:15px}.steps article{padding:19px}footer{flex-wrap:wrap}}@media(max-width:800px){html{scroll-padding-top:145px}header{padding:11px 5%;flex-wrap:wrap;gap:9px}.brandmark{width:49px;height:49px}nav{order:3;width:100%;justify-content:space-between;font-size:14px}.header-actions .small{padding:9px 12px;font-size:13px}.hero{padding:10px 5% 32px}.brand-banner{margin:0 -3% 15px}.hero-copy{grid-template-columns:1fr;margin:0;gap:0}.hero .eyebrow{font-size:11px;letter-spacing:1.4px}.hero h1{grid-column:1;grid-row:auto;font-size:42px;margin-bottom:18px}.hero-desc{grid-column:1;grid-row:auto;font-size:16px;margin-bottom:23px}.hero-buttons{grid-column:1;grid-row:auto;gap:23px}.hero-meta{margin-top:28px;gap:16px;font-size:11px}.hero-meta span+span{padding-left:16px}.intro-strip{display:block;padding:21px 5%}.intro-strip div{margin-top:10px}.section{padding:52px 5%}.section-heading{grid-template-columns:1fr;gap:9px}.product-grid{grid-template-columns:repeat(2,1fr)}.spec-section{grid-template-columns:1fr;gap:28px;padding:52px 5%}.hero-panel{max-width:430px}.spec-section h2 br{display:none}.spec-list article{padding:25px 0}.steps{grid-template-columns:repeat(2,1fr);gap:16px}.about-grid,.inquiry-section{grid-template-columns:1fr;gap:28px}.about-section{padding:50px 5%}.inquiry-copy .form-note{max-width:none}.section-heading h2{margin-bottom:13px}footer{padding:25px 5%}}@media(max-width:480px){.brand{font-size:18px;gap:0}.brand small{font-size:10px;letter-spacing:2px;margin-top:6px}.brandmark{width:43px;height:43px}.header-actions{gap:7px}#language{padding:7px;font-size:13px}.header-actions .small{padding:8px 11px;font-size:12px}.hero h1{font-size:36px;letter-spacing:-1px}.hero-buttons{flex-wrap:wrap;gap:18px}.hero-meta{gap:12px;font-size:10px;letter-spacing:.5px}.hero-meta span+span{padding-left:12px}.product-grid{grid-template-columns:1fr}.hero-panel{padding:18px 15px}.panel-top{font-size:11px}.panel-bottom{font-size:13px}.filters{gap:8px}.filters button{padding:8px 14px}.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.inquiry-section form{padding:20px}.spec-list strong{font-size:23px}.spec-list article{gap:16px}.steps article{padding:18px}.intro-strip div{gap:24px}footer p{margin:0}footer>span{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}