:root{--ink:#173e35;--text:#324c43;--muted:#5b6d65;--paper:#f7f8f3;--white:#fff;--line:#d6ded5;--accent:#b88a46;--soft:#edf1e8;--container:1184px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:.25em}
a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{font-weight:600;line-height:1.4}
svg{display:block}
.container{width:min(var(--container),calc(100% - 96px));margin-inline:auto}
.skip-link{position:absolute;top:8px;left:16px;z-index:10;background:var(--ink);color:var(--white);padding:10px 16px;transform:translateY(-180%)}
.skip-link:focus{transform:translateY(0)}
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:94px}
.identity{display:flex;align-items:center;gap:13px;text-decoration:none;font-size:21px;font-weight:600;letter-spacing:.03em;white-space:nowrap}
.identity-mark{width:34px;height:34px;fill:none;stroke:var(--ink);stroke-width:2.4}
.identity-mark .mark-accent{stroke:var(--accent)}
nav{display:flex;align-items:center;gap:33px;font-size:14px;font-weight:500}
nav a{text-decoration:none}
nav a:hover{text-decoration:underline}
.nav-contact{display:flex;gap:16px;align-items:center;border-bottom:1px solid var(--ink);padding:10px 0}
.nav-contact span{font-size:20px}
.hero{background:radial-gradient(ellipse at 95% 35%,#e7ede1 0,transparent 51%),var(--paper)}
.hero-layout{display:grid;grid-template-columns:1.17fr 1fr;gap:56px;align-items:center;padding-top:85px;padding-bottom:76px}
.eyebrow{display:flex;align-items:center;gap:13px;font-size:13px;font-weight:500;letter-spacing:.14em;margin-bottom:25px}
.small-line{width:24px;height:1px;background:var(--accent)}
h1{font-size:clamp(40px,4.65vw,64px);line-height:1.38;letter-spacing:.025em;word-break:keep-all}
.hero-description{margin-top:26px;max-width:550px;font-size:17px;line-height:1.95;color:var(--text)}
.primary-link{display:inline-flex;align-items:center;gap:39px;text-decoration:none;background:var(--ink);color:var(--white);padding:13px 23px;margin-top:30px;font-size:14px;font-weight:500;transition:background .15s}
.primary-link:hover{background:#285749}
.primary-link span{font-size:22px;line-height:1}
.hero-note{font-size:12px;color:var(--muted);margin-top:17px;letter-spacing:.03em}
.system-figure{width:100%;border:1px solid #c6d2c3;border-radius:2px;background:#f4f7ee;box-shadow:0 18px 46px -35px #415d3f40;padding:24px;position:relative}
.figure-heading{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.figure-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.system-map{height:286px;position:relative;margin-top:12px;background-image:radial-gradient(#bbc9b9 0.65px,transparent .65px);background-size:18px 18px}
.map-lines{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#78947b;stroke-width:1}
.map-lines .faint-path{stroke:#d0d9cb;stroke-dasharray:4 5}
.map-lines circle{fill:var(--accent);stroke:var(--soft);stroke-width:3}
.map-node{position:absolute;background:var(--paper);border:1px solid #a9bba5;padding:12px 15px;width:128px;min-height:92px;display:flex;flex-direction:column;box-shadow:4px 4px 0 #e7eddf}
.node-index{font-size:10px;line-height:1.2;color:var(--muted);letter-spacing:.09em;margin-bottom:6px}
.map-node strong{font-size:18px;line-height:1.5;font-weight:500}
.map-node>span:last-child{font-size:10px;color:var(--muted);letter-spacing:.06em}
.node-hardware{left:3%;top:28px}
.node-firmware{right:1%;top:97px}
.node-system{left:3%;top:170px;background:var(--ink);color:var(--white);border-color:var(--ink)}
.node-system .node-index,.node-system>span:last-child{color:#d4dfd4}
.map-label{position:absolute;right:0;top:238px;font-size:10px;color:var(--muted);letter-spacing:.12em}
figcaption{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #d0daca;padding-top:19px;margin-top:18px;font-size:11px;color:var(--muted);gap:8px}
figcaption strong{color:var(--ink);font-weight:500}
.hero-bottom{border-top:1px solid var(--line);padding-block:17px;display:flex;justify-content:space-between;gap:20px;font-size:11px;letter-spacing:.06em;color:var(--muted)}
.hero-bottom a{text-decoration:none;display:flex;gap:20px}
.section-space{padding-block:92px}
.section-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:90px}
h2{font-size:36px;line-height:1.5;letter-spacing:.03em}
.section-intro>p:last-child{font-size:14px;color:var(--muted);margin-top:23px;line-height:1.95}
.section-intro .eyebrow,.focus-heading .eyebrow,.about-section .eyebrow,.contact-section .eyebrow{margin-bottom:18px}
.background-list{border-top:1px solid var(--line)}
.background-row{display:flex;gap:28px;border-bottom:1px solid var(--line);padding:25px 0}
.row-index{font-size:12px;color:var(--accent);padding-top:4px;letter-spacing:.06em}
h3{font-size:19px;font-weight:500;letter-spacing:.04em}
.background-row p{font-size:14px;color:var(--muted);margin-top:7px;line-height:1.9;max-width:460px}
.focus-section{background:#eaf0e6;border-block:1px solid #dbe3d6}
.focus-heading{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:end;margin-bottom:49px}
.focus-heading>p{font-size:14px;line-height:2;color:var(--text);max-width:410px;padding-bottom:7px}
.focus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #b8c9b4}
.focus-item{padding:30px 30px 0 0}
.focus-item+.focus-item{border-left:1px solid #c9d5c4;padding-left:30px}
.focus-number{font-size:11px;color:#596e5a;letter-spacing:.1em;display:block;margin-bottom:30px}
.focus-item h3{font-size:21px;margin-bottom:16px}
.focus-item>p{font-size:14px;line-height:1.95;color:var(--text)}
.focus-item .focus-question{margin-top:30px;padding-top:16px;border-top:1px solid #c9d5c4;color:#456245;font-size:12px}
.about-section{background:var(--ink);color:var(--paper)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.about-section .eyebrow{color:#c9d6c6}
.about-copy p{font-size:15px;line-height:2.1;color:#dce6d8}
.about-copy p+p{margin-top:20px}
.about-signature{display:flex;align-items:center;gap:20px;margin-top:34px;font-size:12px;letter-spacing:.07em;color:#dce6d8}
.signature-line{width:38px;height:1px;background:#bda071}
.contact-section{padding-bottom:72px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}
.contact-grid>div>p:last-child{color:var(--muted);font-size:14px;margin-top:18px;line-height:1.95}
.contact-label{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.email-link{display:flex;align-items:center;justify-content:space-between;gap:15px;text-decoration:none;font-size:clamp(22px,2.2vw,29px);font-weight:500;letter-spacing:.015em;padding-bottom:15px;border-bottom:1px solid #91a58c}
.email-link:hover{color:#477254}
.email-link span{font-size:28px}
.contact-detail .email-note{font-size:12px!important;margin-top:13px!important}
.site-footer{padding-bottom:24px}
.privacy{border-block:1px solid var(--line);padding-block:17px}
.privacy summary{font-size:12px;color:var(--muted);cursor:pointer;width:fit-content}
.privacy-copy{padding:17px 0 7px;max-width:760px;color:var(--muted);font-size:12px;line-height:1.95}
.privacy-copy p+p{margin-top:12px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:11px;color:var(--muted);padding-top:24px}
.footer-bottom a{text-decoration:none;display:flex;gap:12px}
.footer-domain{margin-left:auto;margin-right:36px;letter-spacing:.06em}
@media(min-width:1600px){.hero-layout{padding-block:100px}}
@media(max-width:1050px){.container{width:calc(100% - 64px)}.hero-layout{gap:32px;grid-template-columns:1.1fr 1fr}.hero-description{font-size:15px}.system-figure{padding:19px}h1{font-size:clamp(36px,4.5vw,48px)}nav{gap:22px}.section-grid,.about-grid,.contact-grid,.focus-heading{gap:52px}.map-node{width:110px;padding:10px 12px}.map-label{font-size:9px}.focus-item{padding-right:23px}.focus-item+.focus-item{padding-left:23px}.focus-item h3{font-size:19px}figcaption{font-size:10px}}
@media(max-width:760px){html{scroll-padding-top:24px}.container{width:calc(100% - 44px)}.header-inner{min-height:79px;gap:12px}.identity{gap:9px;font-size:17px;letter-spacing:0}.identity-mark{width:27px;height:27px}.nav-secondary{display:none}nav{font-size:12px;gap:0}.nav-contact{gap:9px;padding:9px 0}.nav-contact span{font-size:17px}.hero-layout{grid-template-columns:1fr;padding-top:48px;padding-bottom:33px;gap:36px}.eyebrow{font-size:11px;letter-spacing:.12em;margin-bottom:22px}h1{font-size:clamp(34px,8.5vw,48px);line-height:1.46;letter-spacing:.02em}.hero-description{font-size:14px;line-height:1.95;margin-top:21px}.desktop-break{display:none}.primary-link{margin-top:26px;padding:12px 20px;font-size:13px;gap:43px}.hero-note{font-size:11px;margin-top:15px}.system-figure{max-width:480px;justify-self:center;padding:19px 20px}.figure-heading{font-size:11px}.system-map{height:256px;margin-top:13px}.map-node{width:111px;min-height:83px;padding:10px 12px}.map-node strong{font-size:17px}.node-hardware{top:24px}.node-firmware{top:85px}.node-system{top:151px}.map-label{top:216px;font-size:9px}.hero-bottom{font-size:10px;padding-block:15px;letter-spacing:0;gap:9px}.hero-bottom a{gap:8px;white-space:nowrap}figcaption{margin-top:12px;padding-top:15px;font-size:10px}.section-space{padding-block:58px}.section-grid,.about-grid,.contact-grid,.focus-heading{grid-template-columns:1fr;gap:31px}h2{font-size:29px;line-height:1.5}.section-intro .eyebrow,.focus-heading .eyebrow,.about-section .eyebrow,.contact-section .eyebrow{margin-bottom:14px}.section-intro>p:last-child{font-size:13px;margin-top:17px}.background-row{gap:21px;padding-block:21px}.background-row h3{font-size:18px}.background-row p{font-size:13px;line-height:1.95;margin-top:8px}.focus-heading{margin-bottom:28px;gap:19px}.focus-heading>p{font-size:13px;max-width:100%;padding:0}.focus-grid{grid-template-columns:1fr}.focus-item{padding:25px 0!important;display:grid;grid-template-columns:37px 1fr;column-gap:13px}.focus-item+.focus-item{border-left:0;border-top:1px solid #c9d5c4}.focus-number{grid-column:1;grid-row:1/4;margin:0;padding-top:6px;font-size:10px}.focus-item h3{grid-column:2;margin-bottom:12px;font-size:19px}.focus-item>p{grid-column:2;font-size:13px}.focus-item .focus-question{margin-top:17px;padding-top:13px;font-size:11px}.focus-item:last-child{padding-bottom:0!important}.about-copy p{font-size:14px;line-height:2.05}.about-copy p+p{margin-top:17px}.about-signature{margin-top:25px;font-size:11px}.contact-grid{gap:30px}.contact-grid>div>p:last-child{font-size:13px;margin-top:17px}.contact-label{font-size:11px;margin-bottom:10px}.email-link{font-size:25px;letter-spacing:0;padding-bottom:13px}.email-link span{font-size:25px}.contact-detail .email-note{font-size:11px!important}.contact-section{padding-bottom:43px}.privacy{padding-block:15px}.privacy summary,.privacy-copy{font-size:11px}.footer-bottom{font-size:10px;flex-wrap:wrap;padding-top:21px;gap:13px}.footer-domain{margin:0 0 0 auto}.footer-bottom>a{flex-basis:100%;justify-content:flex-end}.site-footer{padding-bottom:20px}}
@media(max-width:359px){.container{width:calc(100% - 32px)}.identity{font-size:15px;gap:7px}.identity-mark{width:23px;height:23px}.nav-contact{font-size:11px;gap:5px}h1{font-size:33px}.system-figure{padding-inline:14px}.map-node{width:100px}.map-node>span:last-child{font-size:9px}.email-link{font-size:23px}.hero-bottom{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{body{background:white}.site-header{position:static}.hero{background:white}.hero-layout{padding-top:30px}.section-space{padding-block:30px}.about-section{background:white;color:var(--ink)}.about-copy p,.about-signature,.about-section .eyebrow{color:var(--text)}.privacy-copy{display:block}.system-figure{break-inside:avoid}.primary-link{color:var(--ink);background:white;border:1px solid var(--ink)}}