:root{--ni-green:#0f3d32;--ni-deep:#082b25;--ni-gold:#c7a66b;--ni-cream:#f8f5ef;--ni-muted:#67746c}
body{background:var(--ni-cream);color:#222;font-family:"HarmonyOS Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",sans-serif}
body .container{width:min(1320px,calc(100% - 80px))}
.site-header{position:sticky;top:0;background:#fbfaf6ed;backdrop-filter:blur(18px);box-shadow:none;border-bottom:1px solid #d9d7cf8c}
.header-inner{height:78px}.brand{min-width:250px}.brand-mark{background:var(--ni-green);box-shadow:none;border-radius:50% 50% 42% 42%}.brand-mark svg{width:25px;height:25px;color:#e8d4aa}.brand-copy strong{color:var(--ni-green);font-size:17px;letter-spacing:.1em}.brand-copy small{color:#887c6a}.nav-list{gap:21px}.nav-list a{color:#23382f;font-size:13px}.nav-list a:hover{color:#a98752}.header-cta{background:var(--ni-green);border-radius:99px;padding:11px 20px}.header-cta:hover{background:#1b594a}
.site-footer{background:var(--ni-deep)}.site-footer a:hover{color:var(--ni-gold)}.footer-links{display:flex;flex-direction:column;gap:5px}.footer-links a{color:#d4e4d9}
.ni{overflow:hidden}.ni h1,.ni h2,.ni h3,.ni p{margin-top:0}
.ni-label{display:inline-block;color:#aa8551;font-size:11px;letter-spacing:.21em;font-weight:800;text-transform:uppercase}
.ni-hero{background:#f1eee5;min-height:580px}.ni-hero-inner{min-height:580px;display:grid;grid-template-columns:47% 53%;align-items:center;position:relative}.ni-hero-inner>div{position:relative;z-index:2;padding:70px 30px 70px 0}.ni-hero h1,.ni-detail-hero h1{font-size:clamp(42px,4.8vw,69px);line-height:1.16;letter-spacing:-.055em;color:var(--ni-green);margin:16px 0 22px}.ni-hero p{font-size:17px;line-height:1.85;color:#5d6d63;max-width:510px;margin-bottom:27px}.ni-hero small{display:block;font-size:12px;color:#787c70}.ni-hero-inner>img{width:100%;height:580px;object-fit:cover;object-position:center;border-radius:0 0 0 32px}.ni-hero-product{background:#eeeae0}.ni-hero-solution{background:#eaf0e7}.ni-hero-case{background:#f2ede3}
.ni-button{display:inline-flex;align-items:center;gap:27px;min-height:48px;background:var(--ni-green);color:#fff;border-radius:99px;padding:11px 21px;font-size:13px;font-weight:700;transition:transform .25s,background .25s}.ni-button:hover{background:#1b5a49;transform:translateY(-3px);color:#fff}.ni-button span{font-size:18px;font-weight:400}
.ni-section{padding:100px 0;background:#fffdf9}.ni-section:nth-of-type(odd){background:var(--ni-cream)}.ni-section-heading{max-width:770px;margin-bottom:42px}.ni-section-heading h2,.ni-scene-copy h2,.ni-spec-inner h2,.ni-bottom-cta h2{font-size:clamp(30px,3.7vw,50px);line-height:1.23;letter-spacing:-.05em;color:var(--ni-green);margin:14px 0}.ni-section-heading p{font-size:16px;color:var(--ni-muted);line-height:1.8;margin:0}
.ni-product-list{display:grid;gap:28px}.ni-product-row{display:grid;grid-template-columns:58% 42%;min-height:430px;border-radius:22px;background:#fff;overflow:hidden;box-shadow:0 18px 58px #1a44350e}.ni-product-row.is-reverse{grid-template-columns:42% 58%}.ni-product-row.is-reverse .ni-product-row-image{order:2}.ni-product-row-image{min-height:430px;background:#e4ddd1;overflow:hidden}.ni-product-row-image img{width:100%;height:100%;object-fit:cover;transition:transform .7s}.ni-product-row:hover img{transform:scale(1.04)}.ni-product-row-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:55px}.ni-product-row h3{font-size:clamp(29px,3vw,43px);line-height:1.25;letter-spacing:-.04em;color:var(--ni-green);margin:15px 0}.ni-product-row p{color:#647369;line-height:1.8;font-size:16px;margin-bottom:23px}.ni-chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 26px}.ni-chips span{font-size:12px;color:#486557;background:#f1f4ed;border:1px solid #e1e9dc;border-radius:99px;padding:6px 12px}.ni-text-link{display:inline-flex;align-items:center;gap:22px;color:var(--ni-green);border-bottom:1px solid var(--ni-gold);font-size:14px;font-weight:700;padding-bottom:8px;transition:gap .2s}.ni-text-link:hover{gap:29px;color:#9b7441}
.ni-bottom-cta{padding:80px 0;background:var(--ni-deep);color:#fff;text-align:center}.ni-bottom-cta .ni-label{color:#d4b783}.ni-bottom-cta h2{color:#fff}.ni-bottom-cta p{color:#c8d8ce;font-size:16px;margin:0 0 28px}.ni-bottom-cta .ni-button{background:var(--ni-gold);color:#fff}.ni-bottom-cta .ni-button:hover{background:#b28c52}
.ni-detail-hero{background:#f1eee5}.ni-detail-hero-inner{display:grid;grid-template-columns:45% 55%;min-height:625px;align-items:stretch}.ni-detail-copy{padding:38px 50px 60px 0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.ni-breadcrumb{display:flex;flex-wrap:wrap;gap:9px;font-size:11px;color:#8b9186;margin-bottom:57px}.ni-breadcrumb a:hover{color:var(--ni-green)}.ni-detail-hero h1{margin:15px 0 18px}.ni-lead{font-size:18px;line-height:1.8;color:#53685b;max-width:470px;margin-bottom:22px}.ni-detail-image{min-height:625px;background:#e5dfd4;overflow:hidden}.ni-detail-image img{width:100%;height:100%;object-fit:cover}.ni-detail-hero .ni-chips{margin:0 0 28px}.ni-solution-detail{background:#ebf0e9}.ni-case-detail{background:#f0eee6}.ni-disclosure{color:#8a7b5f;font-size:12px;line-height:1.6;margin:0 0 25px;max-width:470px}
.ni-value{background:#fffdf9}.ni-value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.ni-value-grid.ni-value-three{grid-template-columns:repeat(3,minmax(0,1fr))}.ni-value-grid article{min-height:205px;padding:27px;background:#f8f7f1;border:1px solid #e9e7de;border-radius:17px}.ni-value-grid article>span{font-size:11px;letter-spacing:.14em;color:#ad8e59;font-weight:700}.ni-value-grid h3{font-size:22px;color:var(--ni-green);margin:34px 0 8px}.ni-value-grid p{font-size:13px;color:#66766b;line-height:1.75;margin:0}
.ni-scene-block{background:var(--ni-cream)}.ni-scene-inner{display:grid;grid-template-columns:54% 46%;align-items:center;gap:60px}.ni-scene-image{aspect-ratio:4/3;border-radius:23px;overflow:hidden;background:#e6ddd0}.ni-scene-image img{width:100%;height:100%;object-fit:cover}.ni-scene-copy h2{margin-bottom:23px}.ni-scene-copy p{font-size:16px;line-height:1.9;color:#607065;margin-bottom:17px}.ni-scene-copy ol{margin:15px 0 26px;padding-left:21px;color:#41604e;line-height:2.2;font-size:15px}
.ni-spec-section{background:#fffdf9}.ni-spec-inner{display:grid;grid-template-columns:43% 57%;gap:50px;align-items:start}.ni-spec-inner>div>p{font-size:15px;color:#67736a;line-height:1.8;max-width:435px}.ni-spec-inner dl{margin:0;border-top:1px solid #dfe3d9}.ni-spec-inner dl>div{display:grid;grid-template-columns:125px 1fr;gap:20px;padding:19px 0;border-bottom:1px solid #dfe3d9;font-size:14px}.ni-spec-inner dt{color:#9c8055}.ni-spec-inner dd{margin:0;color:#34483b}
.ni-cases-section{background:#f8f5ef}.ni-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.ni-image-card{display:block;overflow:hidden;background:#fff;border:1px solid #e9e7de;border-radius:22px;box-shadow:0 16px 47px #2447350d;transition:transform .3s,box-shadow .3s}.ni-image-card:hover{transform:translateY(-5px);box-shadow:0 25px 58px #2447351b}.ni-image-card>img{width:100%;aspect-ratio:16/9;object-fit:cover}.ni-image-card>div{position:relative;padding:26px 28px 30px}.ni-image-card h3{font-size:25px;color:var(--ni-green);line-height:1.3;margin:9px 25px 7px 0}.ni-image-card p{font-size:14px;color:#69776c;line-height:1.7;margin:0}.ni-image-card>div>span:last-child{position:absolute;right:29px;top:27px;color:#aa8853;font-size:21px}
.ni-method{background:#eaf0e8}.ni-method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.ni-method-grid article{padding:28px;background:#fff;border-radius:16px;min-height:205px}.ni-method-grid span{font-size:12px;color:#a88959}.ni-method-grid h3{color:var(--ni-green);font-size:21px;margin:37px 0 8px}.ni-method-grid p{font-size:13px;line-height:1.7;color:#68756b}
.ni-mini-product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.ni-mini-product-grid a{display:block;background:#fff;border-radius:15px;overflow:hidden;border:1px solid #e7e4dc;transition:transform .25s}.ni-mini-product-grid a:hover{transform:translateY(-4px)}.ni-mini-product-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}.ni-mini-product-grid h3{font-size:17px;color:var(--ni-green);margin:16px 17px 7px}.ni-mini-product-grid span{display:block;font-size:12px;color:#a08251;margin:0 17px 17px}
.page-hero{background:linear-gradient(110deg,#0b3028,#195342);padding:75px 0}.page-hero h1{color:#fff}.page-hero .eyebrow{color:#d6bc83}.section{background:var(--ni-cream)}.button-primary{background:var(--ni-green)}.text-link{color:var(--ni-green)}
@media(max-width:1100px){body .container{width:min(100% - 48px,1320px)}.brand{min-width:190px}.header-cta{display:none}.nav-list{gap:12px}.nav-list a{font-size:12px}.ni-product-row-copy{padding:37px}.ni-scene-inner{gap:35px}}
@media(max-width:760px){body .container{width:calc(100% - 36px)}.header-inner{height:68px}.brand{min-width:0;gap:7px}.brand-mark{width:37px;height:37px}.brand-copy strong{font-size:13px;letter-spacing:.04em}.brand-copy small{font-size:9px}.menu-toggle span{background:var(--ni-green)}.primary-nav{background:#faf8f2}.nav-list{gap:0}.ni-hero,.ni-hero-inner{min-height:0}.ni-hero-inner{display:flex;flex-direction:column-reverse}.ni-hero-inner>img{height:275px;border-radius:0;width:calc(100% + 36px);max-width:none;object-position:center}.ni-hero-inner>div{padding:37px 0 55px}.ni-hero h1,.ni-detail-hero h1{font-size:clamp(36px,9vw,52px);margin:12px 0 16px}.ni-hero p{font-size:15px}.ni-section{padding:69px 0}.ni-section-heading{margin-bottom:26px}.ni-section-heading h2,.ni-scene-copy h2,.ni-spec-inner h2,.ni-bottom-cta h2{font-size:clamp(30px,8vw,42px)}.ni-product-row,.ni-product-row.is-reverse{display:flex;flex-direction:column;min-height:0}.ni-product-row.is-reverse .ni-product-row-image{order:0}.ni-product-row-image{min-height:0;aspect-ratio:4/3}.ni-product-row-copy{padding:28px}.ni-product-row h3{font-size:29px}.ni-bottom-cta{padding:62px 0}.ni-detail-hero-inner{display:flex;flex-direction:column-reverse;min-height:0}.ni-detail-copy{padding:32px 0 57px}.ni-breadcrumb{margin-bottom:30px}.ni-detail-image{min-height:0;height:300px;margin-inline:-18px}.ni-lead{font-size:16px}.ni-value-grid,.ni-value-grid.ni-value-three{grid-template-columns:repeat(2,1fr)}.ni-value-grid article{min-height:195px;padding:21px}.ni-value-grid h3{font-size:18px;margin-top:35px}.ni-scene-inner,.ni-spec-inner{grid-template-columns:1fr;gap:28px}.ni-scene-image{aspect-ratio:4/3}.ni-card-grid{grid-template-columns:1fr}.ni-method-grid,.ni-mini-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}
@media(max-width:430px){.ni-value-grid,.ni-value-grid.ni-value-three{grid-template-columns:1fr}.ni-value-grid article{min-height:155px}.ni-value-grid h3{margin-top:20px}.ni-method-grid{grid-template-columns:1fr 1fr}.ni-method-grid article{padding:18px;min-height:190px}.ni-method-grid h3{font-size:18px}.ni-mini-product-grid{gap:10px}.ni-mini-product-grid h3{font-size:15px;margin:12px}.ni-mini-product-grid span{margin:0 12px 13px}}