:root{--ink:#17252a;--muted:#6b7779;--line:#dfe6e5;--paper:#fff;--soft:#f3f6f5;--teal:#0a6d6b;--deep:#083d40;--orange:#e57b3b;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.75 "Microsoft YaHei","PingFang SC",Arial,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.notice{background:#0b4c4c;color:#cce0de;font-size:13px}.notice-in{min-height:34px;display:flex;justify-content:space-between;align-items:center}.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-in{min-height:88px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:13px;margin-right:auto}.brand img{width:52px;height:52px;object-fit:contain}.brand span{display:grid;line-height:1.25}.brand b{font-size:18px}.brand small{margin-top:5px;color:#83908f;font-size:9px;letter-spacing:.08em}.nav{display:flex;gap:31px;color:#43595a;font-size:15px}.nav a{position:relative;padding:31px 0}.nav a:after{position:absolute;content:"";height:3px;left:0;right:100%;bottom:19px;background:var(--orange);transition:.2s}.nav a:hover:after,.nav a.active:after{right:0}.header-tel{display:grid;color:var(--teal);padding-left:26px;border-left:1px solid var(--line);line-height:1.25}.header-tel small{font-size:11px;color:#7c8a89}.header-tel b{font-size:18px;letter-spacing:.04em}.menu-button{display:none}.hero{position:relative;min-height:610px;overflow:hidden;color:#fff}.hero-bg,.hero-shade{position:absolute;inset:0;width:100%;height:100%}.hero-bg{object-fit:cover}.hero-shade{background:linear-gradient(90deg,rgba(4,35,37,.83),rgba(4,35,37,.25) 70%,rgba(4,35,37,.12))}.hero-content{position:relative;padding-top:116px}.eyebrow{margin:0 0 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var(--orange)}.about-visual{position:relative}.about-visual img{width:100%;height:440px;object-fit:cover}.visual-tag{position:absolute;bottom:-24px;left:30px;padding:18px 25px;background:#fff;box-shadow:0 12px 30px #173e3f22;display:grid}.visual-tag b{color:var(--teal)}.visual-tag span{font-size:13px;color:var(--muted)}.products{background:var(--soft)}.section-top{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:40px}.section-desc{max-width:350px;margin-bottom:8px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.product-card{display:grid;grid-template-columns:45% 1fr;min-height:290px;background:#fff;border:1px solid var(--line);transition:.25s}.product-card:hover{transform:translateY(-5px);box-shadow:0 16px 30px #183c3d15}.product-image{position:relative;overflow:hidden;background:#e6eceb}.product-image img{width:100%;height:100%;object-fit:cover;transition:.4s}.product-card:hover .product-image img{transform:scale(1.05)}.product-image span{position:absolute;top:16px;left:17px;color:#fff;font-size:12px;font-weight:700}.product-info{padding:28px 24px;display:flex;flex-direction:column}.product-info small{color:var(--orange);font-size:10px;letter-spacing:.1em}.product-info h3{margin:9px 0 8px;font-size:28px}.product-info p{margin-bottom:20px;color:var(--muted);font-size:14px}.product-info b{margin-top:auto;color:var(--teal);font-size:14px}.solutions{padding-bottom:112px}.solution-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.solution-list>div{position:relative;padding:30px 24px 35px;border-right:1px solid var(--line)}.solution-list>div:last-child{border-right:0}.solution-list b{color:var(--orange);font-size:12px}.solution-list h3{margin:22px 0 5px;font-size:23px}.solution-list p{margin:0;color:var(--muted);font-size:13px}.solution-list span{position:absolute;right:22px;bottom:26px;color:var(--teal);font-size:22px}.cta{background:var(--deep);color:#fff}.cta-in{min-height:230px;display:flex;align-items:center;justify-content:space-between}.cta h2{margin:0 0 4px;font-size:37px}.cta p:not(.eyebrow){margin:0;color:#b2ceca}.footer{padding-top:65px;color:#d6e3e1;background:#102d30}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr 1.6fr;gap:42px;padding-bottom:50px}.footer-brand img{width:58px;height:58px;margin-bottom:16px;background:#fff}.footer h3{margin:0 0 8px;color:#fff;font-size:18px}.footer h4{margin:0 0 18px;color:#fff;font-size:15px}.footer p,.footer a{display:block;margin:0 0 8px;color:#a9c0bd;font-size:14px}.footer a:hover{color:#fff}.footer-note{margin-top:18px!important;color:#779795!important}.copyright{padding:18px 0;border-top:1px solid #ffffff1c;color:#789795;font-size:12px}
@media(max-width:900px){.wrap{width:min(100% - 40px,var(--max))}.nav{display:none;order:5;width:100%;padding:4px 0 15px;gap:18px;flex-wrap:wrap}.nav.open{display:flex}.nav a{padding:7px 0}.nav a:after{bottom:0}.menu-button{display:grid;gap:4px;width:40px;height:40px;padding:10px;border:1px solid var(--line);background:#fff}.menu-button i{height:2px;background:var(--ink)}.header-in{flex-wrap:wrap;gap:15px}.header-tel{margin-left:auto;border-left:0;padding-left:0}.hero{min-height:560px}.about-grid{gap:40px}.product-grid{gap:16px}.product-card{grid-template-columns:1fr}.product-image{height:220px}.solution-list{grid-template-columns:repeat(2,1fr)}.solution-list>div:nth-child(2){border-right:0}.solution-list>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.notice-in{font-size:11px}.notice-in span:last-child{display:none}.brand b{font-size:15px}.brand small{font-size:7px}.header-tel{display:none}.hero-content{padding-top:85px}.hero{min-height:590px}.hero-copy{font-size:16px}.hero-actions{flex-direction:column;align-items:flex-start}.trust{grid-template-columns:repeat(2,1fr);gap:20px}.trust div:nth-child(2){border-right:0}.trust div:nth-child(3),.trust div:nth-child(4){border-top:1px solid var(--line);padding-top:18px}.trust p{grid-column:1/-1}.section{padding-top:70px;padding-bottom:75px}.about-grid,.product-grid{grid-template-columns:1fr}.about-visual img{height:300px}.section-top{display:block}.section-desc{margin-top:20px}.solution-list{grid-template-columns:1fr}.solution-list>div{border-right:0!important;border-bottom:1px solid var(--line)}.solution-list>div:last-child{border-bottom:0}.cta-in{padding:45px 0;display:block}.cta h2{font-size:30px}.cta .btn{margin-top:25px}.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:35px}}
.detail-page{padding-top:48px;padding-bottom:100px}.back-link{display:inline-block;margin-bottom:36px;color:var(--teal);font-weight:700}.detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding-bottom:78px;border-bottom:1px solid var(--line)}.detail-hero h1{margin:0 0 20px;color:var(--ink);font-size:clamp(42px,5vw,64px)}.detail-lead{max-width:600px;color:#3d5051;font-size:20px}.detail-desc{max-width:620px;margin-bottom:28px;color:var(--muted)}.detail-cover{background:var(--soft);padding:20px}.detail-cover img{width:100%;height:440px;object-fit:contain}.detail-gallery{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;padding:75px 0}.detail-gallery h2,.detail-note h2{font-size:36px;line-height:1.2}.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.gallery-grid figure{height:250px;margin:0;padding:14px;background:var(--soft)}.gallery-grid img{width:100%;height:100%;object-fit:contain}.detail-note{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:38px 42px;background:#edf5f3;border-left:5px solid var(--orange)}.detail-note h2{margin:0 0 8px;font-size:30px}.detail-note p:not(.eyebrow){margin:0;color:var(--muted)}
@media(max-width:900px){.detail-hero{grid-template-columns:1fr;gap:35px}.detail-gallery{grid-template-columns:1fr;gap:25px}.detail-note{align-items:flex-start;flex-direction:column}.detail-cover img{height:330px}}
@media(max-width:620px){.detail-page{padding-top:28px;padding-bottom:70px}.detail-gallery{padding:52px 0}.detail-gallery h2,.detail-note h2{font-size:30px}.gallery-grid{grid-template-columns:1fr}.detail-note{padding:28px 24px}}