@charset "UTF-8";
:root{font-family:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-synthesis:none;color-scheme:light;--ink:#12202b;--muted:#65717b;--accent:#ef592d;--paper:#f7f8f8;--line:#dce0e2;--gutter:clamp(24px,5vw,90px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);padding-bottom:100px}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #12a4e0;outline-offset:5px}button{border:0}img{display:block;width:100%;height:100%;object-fit:contain}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600}h1{letter-spacing:-.055em;line-height:1.22}h2{font-size:clamp(30px,3.3vw,50px);line-height:1.4;letter-spacing:-.04em}h3{font-size:22px}p{font-size:16px;line-height:1.85}.eyebrow{font-family:Arial,"Microsoft YaHei",sans-serif;font-size:12px;letter-spacing:.14em;font-weight:600;line-height:1.5}.accent{color:var(--accent)}.site-header{height:96px;margin:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;z-index:3;gap:24px}.brand{display:flex;align-items:center;gap:13px;flex-shrink:0;font-size:23px;font-weight:700;letter-spacing:.07em}.brand small{display:block;font-family:Arial,sans-serif;font-size:8px;letter-spacing:.16em;margin-top:6px;font-weight:400}.brand-mark{display:flex;gap:4px;align-items:flex-end;width:34px;height:32px;transform:skew(-15deg)}.brand-mark i{width:7px;background:currentColor;height:22px}.brand-mark i:nth-child(2){height:32px}.brand-mark i:nth-child(3){height:17px}.site-header nav{display:flex;gap:34px;font-size:14px}.site-header nav a{position:relative;padding:12px 0}.site-header nav a:after{content:"";position:absolute;height:1px;left:0;right:100%;bottom:4px;background:currentColor;transition:right .2s}.site-header nav a:hover:after{right:0}.nav-contact{font-size:14px;display:flex;gap:28px;align-items:center}.nav-contact span{font-size:23px}.menu-toggle{display:none;background:none;font-size:24px}.hero{position:relative}.hero-description{color:var(--muted);font-size:17px;line-height:1.95}.primary-button{display:inline-flex;align-items:center;gap:44px;background:var(--accent);color:var(--ink);padding:17px 22px;font-size:14px;font-weight:600;min-height:54px;transition:transform .2s,filter .2s}.primary-button:hover{transform:translateY(-3px);filter:brightness(1.07)}.primary-button span{font-size:24px;font-weight:400;line-height:1}.text-button{display:inline-flex;align-items:center;gap:24px;font-size:14px}.hero-actions{display:flex;align-items:center;gap:32px}.section-pad{padding:100px var(--gutter)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:48px}.section-heading .eyebrow{margin-bottom:20px}.section-heading>p{color:var(--muted);min-width:200px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.product-card{text-align:left;padding:0;background:transparent;min-width:0}.product-image{aspect-ratio:1.13;background:#e9edef;overflow:hidden;padding:18px}.product-image img{transition:transform .65s}.product-card:hover .product-image img{transform:scale(1.05)}.product-caption{padding:24px 0}.product-caption small{font:11px Arial,sans-serif;letter-spacing:.12em;color:var(--muted)}.product-caption h3{display:flex;justify-content:space-between;align-items:center;margin:14px 0 8px;font-size:21px;gap:10px}.product-caption h3 span{font-size:20px;font-weight:400}.product-caption p{font-size:14px;color:var(--muted)}.flow-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.flow-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.flow-track>div{position:relative;border-top:1px solid var(--line);padding-top:34px;padding-right:20px}.flow-track>div:before{content:"";width:8px;height:8px;background:var(--accent);position:absolute;top:-4px;left:0}.flow-track span{font:13px Arial,sans-serif;color:var(--muted)}.flow-track h3{margin:25px 0 12px}.flow-track p{font-size:14px;color:var(--muted)}.scenario-list{border-top:1px solid var(--line)}.scenario-list>div{display:grid;grid-template-columns:80px 1fr 1fr 20px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);gap:24px}.scenario-list>div>span:first-child{font:14px Arial,sans-serif;color:var(--muted)}.scenario-list p{color:var(--muted);font-size:15px}.scenario-list>div>span:last-child{font-size:22px}.about-section{display:grid;grid-template-columns:1fr 1fr;gap:24px 70px;border-top:1px solid var(--line)}.about-section .eyebrow{grid-column:1/-1}.about-section>p:last-child{max-width:520px;color:var(--muted);align-self:center}.contact-section{margin:0 var(--gutter);padding:64px 0;display:flex;align-items:center;justify-content:space-between;gap:40px;border-top:1px solid var(--line)}.contact-section .eyebrow{margin-bottom:22px}.contact-section h2{font-size:36px}.contact-section>p{color:var(--muted);font-size:15px}.contact-button{background:var(--accent);color:var(--ink);padding:20px 24px;white-space:nowrap;font-size:14px;display:flex;gap:28px}.contact-button span{font-size:20px}.site-footer{padding:28px var(--gutter);border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}
.contact-information{min-width:0;max-width:100%}
.contact-information>p{color:var(--muted);font-size:15px}
.contact-details{display:grid;gap:12px;margin:24px 0 0}
.contact-details>div{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;align-items:baseline}
.contact-details dt{font-size:13px;color:var(--muted);line-height:1.8}
.contact-details dd{margin:0;min-width:0;font-size:15px;line-height:1.8}
.contact-details a{display:inline-block;max-width:100%;overflow-wrap:anywhere;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:5px;transition:text-decoration-color .2s}
.contact-details a:hover{text-decoration-color:currentColor}
.info-dialog .contact-details{margin-top:26px;padding:22px;border:1px solid #e0e7ef;border-radius:12px;background:#f6f8fb}
.info-dialog .contact-details a{color:#203b55}
@media(max-width:1100px){.contact-information{margin-left:auto}}
@media(max-width:760px){.contact-information{margin:24px 0;max-width:100%}.contact-details>div{grid-template-columns:58px minmax(0,1fr);gap:10px}.contact-details dd{font-size:14px}.info-dialog .contact-details{padding:18px}.info-dialog .contact-details>div{grid-template-columns:1fr;gap:3px}}
/* Reuse the original logo through two viewports, preserving its lettering and colors. */
.brand-lockup{--symbol-width:66px;--wordmark-width:174px;display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-image-frame{position:relative;display:block;flex-shrink:0;overflow:hidden}
.brand-image-frame .brand-image{position:absolute;max-width:none;object-fit:fill}
.brand-symbol{width:var(--symbol-width);aspect-ratio:770/440}
.brand-symbol .brand-image{left:-50.649351%;top:-40.909091%;width:188.051948%;height:246.818182%}
.brand-wordmark{width:var(--wordmark-width);aspect-ratio:1188/260}
.brand-wordmark .brand-image{left:-11.784512%;top:-250%;width:121.885522%;height:417.692308%}
.theme-c .site-footer{align-items:center}
.footer-brand{display:inline-flex;flex-shrink:0}
.footer-brand .brand-lockup{--symbol-width:74px;--wordmark-width:188px}
.site-footer{flex-wrap:wrap}
.icp-record{font-size:12px;line-height:1.8;white-space:nowrap;text-underline-offset:4px}
.icp-record:hover{text-decoration:underline}
.icp-record:focus-visible{outline:2px solid currentColor;outline-offset:4px}
@media(min-width:761px) and (max-width:900px){.site-header .brand-lockup{--symbol-width:54px;--wordmark-width:146px;gap:8px}}
@media(max-width:760px){.site-header .brand-lockup,.footer-brand .brand-lockup{--symbol-width:56px;--wordmark-width:158px;gap:10px}.theme-c .site-footer{align-items:flex-start}}
@media(max-width:360px){.site-header .brand-lockup,.footer-brand .brand-lockup{--symbol-width:52px;--wordmark-width:142px;gap:8px}}
/* Chinese-only hierarchy for the selected C direction. */
.theme-c .flagship-card-heading{justify-content:flex-end}
.theme-c .industry-accordion summary{grid-template-columns:70px minmax(0,1fr) 34px}
@media(max-width:1100px){.theme-c .industry-accordion summary{grid-template-columns:45px minmax(0,1fr) 24px}}
@media(max-width:760px){.theme-c .industry-accordion summary{grid-template-columns:27px minmax(0,1fr) 24px}}
/* A · 深海科技 — immersive landscape and layered editorial content */
.theme-a{--paper:#08121c;--ink:#f3f6f8;--muted:#a0b0bc;--accent:#64e2d1;--line:#26313c;color-scheme:dark}.theme-a .site-header{border-color:#ffffff30}.a-opening{position:relative;background:#08121c}.hero-a{min-height:710px;height:calc(100svh - 96px);max-height:930px;isolation:isolate;display:flex;align-items:center;padding:50px var(--gutter) 110px}.coast-backdrop{position:absolute;z-index:-1;inset:-96px 0 0;background-image:linear-gradient(90deg,#06111cf2 0%,#06111c94 42%,#08162412 75%),linear-gradient(0deg,#07121de6,transparent 38%),url("assets/coast.png");background-size:cover;background-position:center;animation:landscape-reveal 1.4s ease-out both}.hero-a .hero-copy{z-index:1;max-width:830px}.hero-a .eyebrow{color:#88d9d7;font-size:11px;letter-spacing:.2em;margin-bottom:28px}.hero-a h1{font-size:clamp(48px,5.6vw,88px);font-weight:500;margin-left:-5px;line-height:1.29;letter-spacing:-.055em}.hero-a .hero-description{margin:26px 0 34px;color:#becbd3}.theme-a .primary-button,.theme-a .contact-button{color:#0b2229}.hero-product{position:absolute;right:var(--gutter);bottom:135px;width:310px;display:grid;grid-template-columns:96px 1fr 18px;gap:18px;align-items:center;padding:14px;background:#0e23328c;border:1px solid #7892a44a;backdrop-filter:blur(15px)}.hero-product>div{height:75px;overflow:hidden;background:#ced7da}.hero-product p{line-height:1.5}.hero-product p>span{display:block;font-size:15px}.hero-product small{display:block;font:8px Arial,sans-serif;letter-spacing:.08em;color:#a6c1cc;margin-top:9px}.hero-product>a{font-size:23px}.hero-foot{position:absolute;bottom:30px;left:var(--gutter);right:var(--gutter);border-top:1px solid #ffffff2e;padding-top:22px;display:flex;justify-content:space-between;font-size:12px;color:#a5bcc7}.hero-foot small{font-size:11px;color:#80939f}.theme-a .product-image{background:#152230}.theme-a .product-grid{gap:24px}.theme-a .flow-section{background:#0e1b28}.theme-a .about-section{background:#0b1723}.theme-a .contact-section .eyebrow{color:var(--accent)}
/* B · 精密工业 — light technical grid, orange punctuation */
.theme-b{--paper:#f4f5f3;--ink:#17201e;--muted:#69726d;--accent:#f15b32;--line:#d4d9d4}.theme-b .brand-mark{color:var(--accent)}.theme-b .primary-button,.theme-b .contact-button{color:#fff}.hero-b{margin:0 var(--gutter);padding:60px 0 0;display:grid;grid-template-columns:1fr 1.1fr;gap:0 50px;min-height:695px}.b-vertical{position:absolute;left:-36px;top:60px;writing-mode:vertical-rl;transform:rotate(180deg);font:10px Arial,sans-serif;letter-spacing:.14em;color:#8d938e}.b-hero-copy{padding:30px 0 65px;position:relative;z-index:1}.b-hero-copy .eyebrow{letter-spacing:.12em;display:flex;align-items:center;gap:12px}.small-square{display:inline-block;width:7px;height:7px;background:var(--accent)}.b-hero-copy h1{font-size:clamp(52px,5.3vw,82px);line-height:1.3;margin:30px 0 24px}.b-hero-copy .primary-button{margin-top:28px}.b-product-stage{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;background-color:#e8ece7;background-image:linear-gradient(#b5c0b12e 1px,transparent 1px),linear-gradient(90deg,#b5c0b12e 1px,transparent 1px);background-size:54px 54px;border:1px solid #d8ddd5;align-self:stretch;min-height:495px}.b-product-stage>img{height:83%;max-height:440px;width:105%;object-fit:contain;position:relative;z-index:1}.stage-label{position:absolute;top:20px;left:22px;font:11px Arial,sans-serif;letter-spacing:.1em}.stage-cross{position:absolute;color:#6c7868;font-size:23px;font-weight:200}.stage-cross.one{top:14px;right:20px}.stage-cross.two{bottom:55px;left:18px}.stage-caption{position:absolute;bottom:20px;left:22px;right:22px;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:14px}.stage-caption small{font-size:11px;color:#62715e}.b-hero-bottom{grid-column:1/-1;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr 1fr 1fr;margin-top:42px;padding:24px 0;gap:28px;align-items:center}.b-hero-bottom>span{font:700 18px/1.2 Arial,sans-serif;letter-spacing:-.04em}.b-hero-bottom strong{font-size:15px;font-weight:500}.b-hero-bottom p{font-size:12px;color:var(--muted);margin-top:7px}.theme-b .products-section{padding-top:85px}.theme-b .product-image{background:#e5e9e3}.theme-b .product-caption small{color:#bc5031}.theme-b .flow-section{background:#e8ece6}.theme-b .about-section{background:#17251f;color:#edf3ea;--muted:#aebca9}.theme-b .site-header .nav-contact{border:1px solid #17251f;padding:10px 17px;font-size:13px}
/* C · 极简旗舰 — centered product, large quiet typography */
.theme-c{--paper:#fff;--ink:#222427;--muted:#7d8086;--accent:#202226;--line:#e6e7e9}.theme-c .site-header{height:86px;border:0}.theme-c .brand{font-size:21px}.theme-c .brand-mark{transform:none;gap:3px}.theme-c .site-header nav{gap:36px;font-size:13px}.theme-c .nav-contact{background:#1c1d20;color:white;border-radius:24px;padding:11px 19px;font-size:12px;gap:18px}.theme-c .nav-contact span{font-size:17px}.hero-c{text-align:center;padding:32px var(--gutter) 0;min-height:770px;background:linear-gradient(#fff 0%,#f5f6f8 100%);overflow:hidden}.hero-c>.eyebrow{font-size:11px;letter-spacing:.17em;color:#92979e;margin-bottom:18px}.hero-c h1{font-size:clamp(48px,5.5vw,82px);font-weight:500;letter-spacing:-.06em}.hero-c h1 span{color:#999da3}.hero-c .hero-description{font-size:17px;margin-top:19px}.c-explore{font-size:13px;display:inline-flex;align-items:center;gap:14px;margin-top:20px}.c-explore span{font-size:21px}.c-product-stage{height:430px;max-width:880px;position:relative;margin:0 auto;display:flex;align-items:center;justify-content:center}.c-product-stage>img{width:80%;height:95%;position:relative;z-index:1;object-fit:contain}.c-ghost{position:absolute;font:700 clamp(60px,11vw,175px)/1 Arial,sans-serif;letter-spacing:-.085em;color:#e7e9ed;top:120px;left:50%;transform:translateX(-50%);white-space:nowrap}.c-bottom{display:flex;gap:20px;justify-content:space-between;align-items:center;border-top:1px solid #dfe2e7;padding:24px 0;color:#70767e;font-size:12px;max-width:1200px;margin:auto}.c-bottom>span:first-child{font-size:15px;color:#34393f}.c-statement{text-align:center;padding-top:120px;padding-bottom:120px}.c-statement h2{margin:28px 0;font-size:clamp(36px,4vw,58px);font-weight:500}.c-statement>p:last-child{color:#8b9097}.theme-c .products-section{background:#f5f6f8}.theme-c .product-image{background:#eaedf1;border-radius:12px}.theme-c .product-caption{padding:25px 10px}.theme-c .product-caption h3{font-size:20px}.theme-c .product-caption small{font-size:10px}.theme-c .flow-section{border:0;padding-top:120px;padding-bottom:120px}.theme-c .flow-track>div:before{background:#959ba5;border-radius:50%}.theme-c .scenarios-section{background:#f5f6f8}.theme-c .primary-button,.theme-c .contact-button{background:#202226;color:white;border-radius:32px}.theme-c .about-section{padding-top:120px;padding-bottom:120px}.theme-c .brand small{font-size:7px}.theme-c .section-heading h2{font-weight:500}
/* D · 任务协同 — system narrative, cobalt and signal yellow */
.theme-d{--paper:#091b34;--ink:#f3f7ff;--muted:#a9bfdc;--accent:#d8fa54;--line:#2a4264;color-scheme:dark}.theme-d .site-header{height:88px}.theme-d .brand-mark{color:var(--accent)}.theme-d .nav-contact{background:var(--accent);color:#152429;padding:12px 17px;font-weight:600;font-size:13px}.hero-d{padding:24px var(--gutter) 0;background:#102952;background-image:linear-gradient(#31527a12 1px,transparent 1px),linear-gradient(90deg,#31527a12 1px,transparent 1px);background-size:38px 38px}.d-heading-line{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.08em;color:#93accd;padding-bottom:20px;border-bottom:1px solid #44608866}.d-heading-line>span:first-child{font-family:Arial,sans-serif;letter-spacing:.14em}.d-main{display:grid;grid-template-columns:1fr 1.05fr;gap:35px}.d-copy{padding:64px 0 40px}.d-copy .eyebrow{color:#dbf783;font-size:11px;letter-spacing:.14em}.d-copy h1{font-size:clamp(43px,4.9vw,72px);margin:25px 0 25px;line-height:1.35;letter-spacing:-.06em;min-height:2.7em}.d-copy .hero-description{max-width:440px;font-size:16px;min-height:90px;color:#b0c6e3}.theme-d .primary-button,.theme-d .contact-button{color:#122746}.d-copy .primary-button{margin-top:25px;font-size:13px;padding:15px 20px;gap:35px}.mission-tabs{display:flex;margin-top:54px;gap:4px}.mission-tabs button{background:#183a67;border:1px solid #335685;color:#aec5e6;padding:12px 14px;font-size:12px;white-space:nowrap;transition:background .2s}.mission-tabs button[aria-selected=true]{background:var(--accent);color:#17304b;border-color:var(--accent)}.d-system{position:relative;min-height:535px;border-left:1px solid #44608866;isolation:isolate}.d-system-caption{display:flex;justify-content:space-between;gap:12px;font-size:9px;letter-spacing:.08em;position:absolute;top:25px;left:28px;right:0;color:#aac2e0}.d-system-caption>span:last-child{font-size:11px;letter-spacing:0}.system-equipment{position:absolute;z-index:2;width:72%;left:16%;height:35%;display:flex;align-items:center;justify-content:center}.system-equipment img{width:90%;height:100%;object-fit:contain}.system-equipment>span{position:absolute;left:-7%;bottom:15px;font-size:10px;color:#bfd4ee;letter-spacing:.05em}.air-unit{top:52px}.ground-unit{bottom:35px}.ground-unit img{width:66%}.system-lines{position:absolute;inset:0;width:100%;height:100%;z-index:-1}.system-lines path{stroke:#779dd575;stroke-width:1;stroke-dasharray:5 8;fill:none;animation:line-flow 14s linear infinite}.system-lines circle{fill:#d8fa54}.system-core{position:absolute;z-index:4;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid #91b242;background:#d8fa54;padding:13px 26px 13px 50px;min-width:164px;color:#1a3148}.system-core strong{display:block;font-size:16px;font-weight:500}.system-core small{display:block;font:8px Arial,sans-serif;letter-spacing:.09em;margin-top:5px}.core-mark{position:absolute;left:17px;top:17px;font-size:24px;font-weight:300}.system-mini{position:absolute;bottom:9px;left:28px;right:0;display:flex;justify-content:space-between;gap:16px;color:#a5bedf;font-size:10px}.d-sequence{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #44608888}.d-sequence>span{display:flex;align-items:center;gap:30px;padding:22px 28px;border-right:1px solid #44608888;font-size:14px}.d-sequence>span:last-child{border-right:0}.d-sequence small{font:12px Arial,sans-serif;color:#b7d685}.theme-d .flow-section{background:#091b34}.theme-d .products-section{background:#eff2f6;--ink:#173151;--muted:#677e97;--line:#c8d3df;color:var(--ink)}.theme-d .product-image{background:#dce4ed}.theme-d .about-section{background:#102952}.theme-d .product-caption small{color:#65829b}.theme-d .section-heading h2{font-weight:500}
/* Local design review controls */
.review-toolbar{position:fixed;z-index:20;bottom:18px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);display:flex;align-items:center;gap:12px;padding:9px;background:#ffffffee;color:#19232e;border:1px solid #d6dce3;border-radius:15px;box-shadow:0 8px 35px #08142322;backdrop-filter:blur(16px);font-size:12px;color-scheme:light}.overview-link{padding:9px 15px;font-weight:600;white-space:nowrap;border-right:1px solid #dce1e7}.style-switches{display:flex;gap:3px}.style-switches a{display:flex;align-items:center;gap:7px;padding:12px 14px;border-radius:8px;white-space:nowrap;color:#5e6977;transition:background .2s}.style-switches a.active{background:#15293a;color:#fff}.style-switches a:not(.active):hover{background:#e9edf1}.style-switches b{font:600 11px Arial,sans-serif}.design-info{white-space:nowrap;padding:11px 15px;background:#f0f3f5;border-radius:8px;font-size:12px}.design-info span{margin-left:12px}.info-dialog{color-scheme:light;background:#fff;color:#192b3b;border:1px solid #d5dee4;padding:46px;width:min(640px,calc(100vw - 32px));max-height:85svh;border-radius:14px;box-shadow:0 30px 100px #0005}.info-dialog::backdrop{background:#071420a8;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:16px;top:12px;width:32px;height:32px;background:#eff2f5;border-radius:50%;font-size:25px;font-weight:300}.info-dialog h2{font-size:34px;margin:14px 0 18px}.info-dialog h3{font-size:16px;margin:25px 0 8px}.info-dialog p{font-size:15px;color:#5e6d7a}.info-dialog .eyebrow{font-size:10px;color:#748799}.info-dialog .dialog-lead{font-size:17px;color:#213c51;margin-bottom:20px}.info-dialog .dialog-note{font-size:12px;background:#f3f6f8;padding:15px;margin-top:25px}.info-dialog .primary-button{background:#182e40;color:#fff;border-radius:0;margin-top:25px;font-size:13px}.dialog-product{height:250px;background:#eef2f5;margin-bottom:20px;padding:20px}.capture{padding-bottom:0}.capture .review-toolbar{display:none}
@keyframes landscape-reveal{from{opacity:0;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}@keyframes line-flow{to{stroke-dashoffset:-130}}
@media(min-width:1600px){.hero-a{min-height:800px}.hero-b{min-height:800px}.b-product-stage{min-height:570px}.b-product-stage>img{max-height:520px}.hero-c{min-height:860px}.c-product-stage{height:500px}.d-system{min-height:640px}.d-copy{padding-top:90px}.mission-tabs{margin-top:75px}}
@media(max-width:1100px){.site-header nav{gap:22px}.brand{font-size:20px}.brand small{font-size:7px}.nav-contact{gap:16px}.hero-a h1{font-size:62px}.hero-product{width:275px;bottom:115px}.hero-a .hero-copy{max-width:630px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.product-image{aspect-ratio:1.4}.hero-b{gap:0 28px}.b-hero-copy h1{font-size:60px}.stage-caption{align-items:flex-start;flex-direction:column;gap:5px}.b-product-stage{min-height:470px}.b-hero-bottom{gap:20px}.b-hero-bottom>span{font-size:16px}.hero-c{min-height:730px}.c-product-stage{height:390px}.d-main{gap:24px;grid-template-columns:1fr 1fr}.d-copy h1{font-size:51px}.d-system{min-height:545px}.mission-tabs{gap:3px;margin-top:35px}.mission-tabs button{padding:11px 9px;font-size:11px}.d-system-caption{left:15px}.system-mini{left:15px;font-size:9px}.contact-section{flex-wrap:wrap}.contact-section>p{margin-left:auto}.contact-button{margin-left:auto}.hero-a .hero-description{font-size:16px}}
@media(max-width:760px){:root{--gutter:22px}body{padding-bottom:92px}.site-header,.theme-c .site-header,.theme-d .site-header{height:78px;gap:15px}.brand,.theme-c .brand{font-size:19px;gap:11px}.brand small,.theme-c .brand small{font-size:6px;letter-spacing:.1em}.brand-mark{height:27px;width:28px;gap:3px}.brand-mark i{width:6px;height:18px}.brand-mark i:nth-child(2){height:27px}.brand-mark i:nth-child(3){height:14px}.site-header .nav-contact{display:none}.menu-toggle{display:block;padding:8px}.site-header nav{display:none}.site-header.menu-open nav{display:flex;position:absolute;left:0;right:0;top:72px;background:var(--paper);color:var(--ink);padding:18px 22px;border:1px solid var(--line);box-shadow:0 15px 35px #0002;flex-direction:column;gap:5px;font-size:15px;z-index:10}.hero-a{height:auto;min-height:790px;max-height:none;padding-top:58px;padding-bottom:290px;align-items:flex-start}.coast-backdrop{inset:-78px 0 0;background-position:65% center;background-image:linear-gradient(90deg,#06111cc9,#06111c33),linear-gradient(0deg,#07121df2,transparent 70%),url("assets/coast.png")}.hero-a .eyebrow{font-size:8px;letter-spacing:.09em;margin-bottom:23px}.hero-a h1{font-size:clamp(39px,8.9vw,60px);line-height:1.4;margin-left:-2px}.hero-a .hero-description{font-size:14px;line-height:1.9;margin:22px 0 29px}.hero-actions{gap:23px;flex-wrap:wrap}.primary-button{font-size:13px;gap:27px;padding:15px 18px;min-height:50px}.text-button{font-size:12px;gap:12px}.hero-product{left:var(--gutter);right:auto;bottom:115px;width:calc(100% - 44px);max-width:350px;background:#092231b8}.hero-foot{font-size:10px;gap:10px;flex-wrap:wrap;bottom:24px}.hero-foot small{font-size:9px;width:100%}.section-pad{padding:65px var(--gutter)}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:18px;font-size:14px}.section-heading .eyebrow{font-size:10px;margin-bottom:15px}h2{font-size:30px;line-height:1.45}.product-grid{gap:20px 15px}.product-image{aspect-ratio:1;padding:9px}.product-caption{padding:18px 0}.product-caption h3,.theme-c .product-caption h3{font-size:17px;line-height:1.5;margin:10px 0 6px;align-items:flex-start}.product-caption h3 span{font-size:16px}.product-caption small{font-size:8px}.product-caption p{font-size:12px}.flow-track{grid-template-columns:1fr 1fr;gap:35px 20px}.flow-track>div{padding-top:22px}.flow-track h3{font-size:20px;margin:18px 0 8px}.flow-track p{font-size:12px}.scenario-list>div{grid-template-columns:28px 1fr 18px;padding:24px 0;gap:12px}.scenario-list h3{font-size:21px}.scenario-list p{grid-column:2/3;grid-row:2;font-size:12px}.scenario-list>div>span:last-child{grid-column:3;grid-row:1}.scenario-list>div>span:first-child{font-size:12px}.about-section{display:block}.about-section h2{margin:24px 0}.about-section>p:last-child{font-size:14px}.contact-section{display:block;padding:45px 0}.contact-section h2{font-size:30px}.contact-section>p{font-size:13px;margin:24px 0}.contact-button{margin:0;font-size:13px}.site-footer{flex-direction:column;gap:12px;font-size:10px}.hero-b{padding-top:28px;grid-template-columns:1fr;gap:0}.b-vertical{display:none}.b-hero-copy{padding:6px 0 35px}.b-hero-copy .eyebrow{font-size:11px}.b-hero-copy h1{font-size:clamp(48px,12.5vw,72px);margin:23px 0 20px}.b-hero-copy .hero-description{font-size:14px}.b-hero-copy .primary-button{margin-top:24px}.b-product-stage{min-height:330px}.b-product-stage>img{max-height:270px;height:270px;width:94%}.stage-label{font-size:9px;top:17px;left:17px}.stage-caption{flex-direction:row;align-items:center;bottom:15px;left:17px;right:17px;font-size:12px;gap:10px}.stage-caption small{font-size:9px}.b-hero-bottom{margin-top:26px;grid-template-columns:1fr 1fr;gap:25px 20px;padding:24px 0}.b-hero-bottom strong{font-size:13px}.b-hero-bottom p{font-size:10px}.b-hero-bottom>span{font-size:19px}.theme-b .products-section{padding-top:60px}.hero-c{padding-top:38px;min-height:640px}.hero-c>.eyebrow{font-size:9px;margin-bottom:22px}.hero-c h1{font-size:45px;line-height:1.5}.hero-c h1 span{display:block}.hero-c .hero-description{font-size:13px;margin-top:15px}.c-explore{font-size:12px;margin-top:18px}.c-product-stage{height:285px;margin:12px -16px 0}.c-product-stage>img{width:95%;height:95%}.c-ghost{font-size:75px;top:95px}.c-bottom{display:grid;grid-template-columns:1fr 1fr;padding:20px 0;gap:12px;font-size:10px;text-align:left}.c-bottom>span:first-child{font-size:14px}.c-bottom>span:nth-child(2){grid-column:1/-1;grid-row:2;font-size:11px}.c-bottom>a{text-align:right}.c-statement,.theme-c .flow-section,.theme-c .about-section{padding-top:70px;padding-bottom:70px}.c-statement h2{font-size:31px}.c-statement .eyebrow{font-size:10px}.c-statement>p:last-child{font-size:14px}.theme-c .product-caption{padding:18px 0}.theme-c .product-caption small{font-size:8px}.hero-d{padding-top:19px}.d-heading-line{font-size:8px;letter-spacing:0;gap:15px;align-items:flex-start}.d-heading-line>span:first-child{font-size:8px;letter-spacing:.07em}.d-heading-line>span:last-child{max-width:110px;text-align:right;font-size:10px}.d-main{display:block}.d-copy{padding:38px 0 20px}.d-copy .eyebrow{font-size:10px}.d-copy h1{font-size:clamp(40px,10.5vw,60px);margin:20px 0;min-height:2.7em}.d-copy .hero-description{font-size:14px;min-height:80px;line-height:1.9}.d-copy .primary-button{margin-top:18px}.mission-tabs{margin-top:30px}.mission-tabs button{padding:11px 12px;font-size:11px;flex:1}.d-system{border-left:0;border-top:1px solid #44608888;min-height:445px}.d-system-caption{top:20px;left:0;font-size:8px}.d-system-caption>span:last-child{font-size:10px}.system-equipment{width:82%;left:9%;height:34%}.air-unit{top:47px}.ground-unit{bottom:35px}.system-equipment>span{left:0;font-size:9px;bottom:4px}.system-core{min-width:147px;padding:11px 19px 11px 43px}.system-core strong{font-size:14px}.core-mark{top:12px;left:13px}.system-mini{left:0;font-size:8px;bottom:14px;gap:10px}.d-sequence>span{padding:19px 6px;gap:9px;font-size:12px}.d-sequence small{font-size:10px}.review-toolbar{bottom:10px;padding:6px;gap:0;border-radius:12px;width:calc(100% - 20px);max-width:490px;justify-content:center}.overview-link{font-size:10px;padding:12px 10px}.style-switches{flex:1;gap:1px;justify-content:space-evenly}.style-switches a{flex-direction:column;gap:6px;padding:8px 8px;font-size:9px}.style-switches b{font-size:11px}.design-info{font-size:10px;white-space:normal;padding:10px 9px;max-width:46px;line-height:1.5;background:transparent}.design-info span{display:none}.info-dialog{padding:34px 25px}.info-dialog h2{font-size:29px}.info-dialog p{font-size:14px}.info-dialog .dialog-lead{font-size:15px}.dialog-product{height:220px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(max-width:760px){.hero-description,.hero-a .hero-description,.b-hero-copy .hero-description,.hero-c .hero-description,.d-copy .hero-description{font-size:16px}.primary-button,.b-hero-copy .primary-button,.d-copy .primary-button,.text-button,.c-explore,.contact-button{font-size:14px}.product-caption p,.flow-track p,.scenario-list p{font-size:14px}.section-heading>p,.about-section>p:last-child,.c-statement>p:last-child,.contact-section>p{font-size:16px}.style-switches a{font-size:11px}.overview-link{padding-left:8px;padding-right:8px}.mission-tabs button{font-size:12px;padding-left:9px;padding-right:9px}}

/* Selected direction C · local refinement */
.selected-view{padding-bottom:0}
.theme-c .flagship-products{background:#f5f6f8}
.theme-c .flagship-products .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.theme-c .flagship-card{background:#fff;border:1px solid #e8ebef;border-radius:18px;overflow:hidden;padding:28px 32px 32px;transition:box-shadow .3s,border-color .3s}
.theme-c .flagship-card:hover{border-color:#cdd4dd;box-shadow:0 14px 40px #2434470a}
.flagship-card-heading{display:flex;justify-content:space-between;font:12px Arial,sans-serif;letter-spacing:.12em;color:#7f8995}
.theme-c .flagship-card .product-image{height:300px;aspect-ratio:auto;background:transparent;margin:15px 0 12px;padding:15px 12px;border-radius:0}
.theme-c .flagship-card .product-image img{object-fit:contain}
.theme-c .flagship-card .product-caption{padding:8px 0 0}
.theme-c .flagship-card .product-caption h3{font-size:27px;font-weight:500;margin:0 0 13px}
.theme-c .flagship-card .product-caption p{font-size:16px;color:#6e7782}
.product-more{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#eef1f5;color:#3d4855;font-size:22px!important;flex-shrink:0}
.product-tags,.detail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.product-tags span,.detail-tags span{font-size:12px;color:#64717f;background:#f1f4f7;border-radius:5px;padding:7px 10px;line-height:1.5}
.theme-c .flagship-flow{padding-top:100px;padding-bottom:100px}
.collaboration-stage{display:grid;grid-template-columns:1fr 120px 1fr;align-items:center;gap:20px;padding:18px 15px 45px;margin:0 0 30px;background:linear-gradient(#fff,#f7f8fa);border-radius:18px}
.collaboration-unit{height:345px;min-width:0;position:relative;padding-top:45px}
.collaboration-unit>img{height:100%;object-fit:contain;padding:8px 16px}
.collaboration-unit .unit-label{position:absolute;top:8px;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:14px;color:#667582;letter-spacing:.05em}
.collaboration-center{text-align:center;color:#7f8b99}
.collaboration-center>span{display:inline-grid;place-items:center;width:62px;height:62px;border-radius:50%;border:1px solid #dbe1e8;background:#fff;font-size:30px;font-weight:300}
.collaboration-center>p{font-size:14px;margin-top:15px}
.flagship-flow .flow-track>div{padding-top:30px}
.flagship-flow .flow-track p{font-size:16px;color:#6e7884}
.theme-c .flagship-scenarios{background:#f7f8fa}
.industry-accordion{border-top:1px solid #dce1e7}
.industry-accordion details{border-bottom:1px solid #dce1e7}
.industry-accordion summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:70px 1fr 240px 34px;align-items:center;gap:24px;padding:30px 0}
.industry-accordion summary::-webkit-details-marker{display:none}
.industry-accordion summary:focus-visible{outline:2px solid #70899b;outline-offset:5px}
.industry-accordion summary h3{font-size:26px;font-weight:500}
.industry-number{font:13px Arial,sans-serif;color:#929ba6}
.industry-en{font:12px Arial,sans-serif;letter-spacing:.08em;color:#8a95a1}
.industry-toggle{font-size:24px;font-weight:300;text-align:center;transition:transform .2s}
.industry-accordion details[open] .industry-toggle{transform:rotate(45deg)}
.industry-detail{padding:0 58px 36px 94px;max-width:930px}
.industry-detail h4{font-size:18px;font-weight:500;margin:0 0 12px}
.industry-detail p{font-size:16px;color:#667483;line-height:1.9;margin-bottom:22px}
.industry-detail>span{font-size:13px;color:#86919d}
.detail-features{padding:0 0 0 19px;margin:14px 0 0;color:#536678;font-size:16px;line-height:1.85}
.detail-features li{padding-left:4px;margin:8px 0}
.info-dialog .detail-tags{margin-top:12px}
.info-dialog .detail-tags span{font-size:14px}
.theme-c .section-heading>p{font-size:16px}
.theme-c .site-header nav,.theme-c .nav-contact,.theme-c .c-explore{font-size:14px}
@media(max-width:1100px){.theme-c .flagship-card{padding:24px}.theme-c .flagship-card .product-image{height:245px}.theme-c .flagship-card .product-caption h3{font-size:24px}.collaboration-stage{grid-template-columns:1fr 85px 1fr;gap:10px;padding-left:0;padding-right:0}.collaboration-unit{height:285px}.collaboration-unit>img{padding:8px}.industry-accordion summary{grid-template-columns:45px 1fr 190px 24px;gap:18px}.industry-detail{padding-left:63px}}
@media(max-width:760px){.theme-c .flagship-products .product-grid{grid-template-columns:1fr;gap:18px}.theme-c .flagship-card{padding:24px 22px}.theme-c .flagship-card .product-image{height:250px;margin:12px 0 10px;padding:8px 0}.theme-c .flagship-card .product-caption h3{font-size:24px}.theme-c .flagship-card .product-caption p{font-size:16px}.product-tags{margin-top:20px;gap:7px}.product-tags span{font-size:12px;padding:6px 8px}.theme-c .flagship-flow{padding-top:70px;padding-bottom:70px}.collaboration-stage{grid-template-columns:1fr 36px 1fr;padding:20px 0;margin-bottom:30px;gap:0}.collaboration-unit{height:190px;padding-top:38px}.collaboration-unit .unit-label{font-size:11px;letter-spacing:0;top:5px}.collaboration-unit>img{padding:0}.collaboration-center>span{width:32px;height:32px;font-size:20px}.collaboration-center>p{font-size:11px;margin-top:10px;line-height:1.5}.flagship-flow .flow-track p{font-size:14px}.industry-accordion summary{grid-template-columns:27px 1fr 24px;padding:25px 0;gap:12px}.industry-accordion summary h3{font-size:23px}.industry-en{display:none}.industry-detail{padding:0 10px 28px 39px}.industry-detail h4{font-size:17px;line-height:1.65}.industry-detail p{font-size:16px;margin-bottom:17px}.industry-detail>span{font-size:12px;line-height:1.8}.theme-c .section-heading>p{font-size:16px}.info-dialog .detail-features{font-size:15px}.selected-view{padding-bottom:0}}