@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+TC:wght@400;500;600;700;800;900&display=swap');

:root{--bs-navy:#0c1c34;--bs-ink:#172033;--bs-paper:#fbfaf6;--bs-blue:#2e62e8;--bs-sea:#2f8b95;--bs-leaf:#b5d35e;--bs-orange:#ef7653;--bs-muted:#657186;--bs-line:rgba(12,28,52,.13);--bs-wrap:min(1240px,calc(100% - 64px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bs-paper);color:var(--bs-ink);font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.bs-wrap{width:var(--bs-wrap);margin-left:auto;margin-right:auto}.bs-utility{height:34px;background:var(--bs-navy);color:#bbcad4;font:11px/1 'DM Mono',monospace;letter-spacing:.08em}.bs-utility .bs-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.bs-utility strong{color:var(--bs-leaf);font-weight:500}.bs-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);border-bottom:1px solid var(--bs-line);backdrop-filter:blur(18px)}.bs-header__row{height:82px;display:flex;align-items:center;gap:30px}.bs-logo{display:inline-flex;align-items:center;flex:none}.bs-logo img{display:block;width:164px;height:auto}.bs-logo--dark img{width:142px;filter:brightness(0) invert(1) grayscale(1) contrast(1.25)}.bs-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.bs-nav a{position:relative;padding:10px 11px;font-size:13px;font-weight:800;white-space:nowrap}.bs-nav a::after{content:'';position:absolute;right:11px;bottom:4px;left:11px;height:2px;background:var(--bs-blue);transform:scaleX(0);transform-origin:left;transition:transform .2s}.bs-nav a:hover::after,.bs-nav a[aria-current=page]::after{transform:scaleX(1)}.bs-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--bs-navy);padding:12px 18px;font-size:13px;font-weight:900;line-height:1;transition:background .2s,color .2s,transform .2s}.bs-button:hover{transform:translateY(-2px)}.bs-button--primary{border-color:var(--bs-blue);background:var(--bs-blue);color:#fff}.bs-button--dark{background:var(--bs-navy);color:#fff}.bs-menu{display:none;border:0;background:transparent;color:var(--bs-navy);font:700 13px 'DM Mono',monospace;letter-spacing:.08em}.bs-page{overflow:hidden}.bs-hero{min-height:590px;padding:84px 0 68px;background:linear-gradient(106deg,#fbfaf6 0%,#fbfaf6 48%,#edf3f0 100%)}.bs-hero__grid{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:center}.bs-hero__copy{padding-top:8px}.bs-hero h1{max-width:620px;margin:0 0 24px;font-size:clamp(48px,5.4vw,78px);font-weight:900;letter-spacing:-.075em;line-height:1.08}.bs-hero h1 em{font-style:normal;color:var(--bs-blue)}.bs-hero p{max-width:480px;margin:0 0 30px;color:var(--bs-muted);font-size:17px}.bs-action-row{display:flex;flex-wrap:wrap;gap:12px}.bs-hero__media{position:relative;min-height:432px}.bs-hero__media::before{content:'';position:absolute;inset:22px -20px -22px 32px;border:1px solid rgba(47,139,149,.28);border-radius:0 96px 0 0}.bs-hero__media img{position:relative;display:block;width:100%;height:432px;object-fit:cover;object-position:63% center;border-radius:0 72px 0 72px}.bs-hero__caption{position:absolute;z-index:2;bottom:-16px;left:-20px;max-width:270px;padding:17px 18px;border-left:4px solid var(--bs-orange);background:#fff;box-shadow:0 14px 30px rgba(12,28,52,.12);font-size:12px;color:var(--bs-muted)}.bs-hero__caption b{display:block;margin-bottom:3px;color:var(--bs-ink);font-size:14px}.bs-section{padding:112px 0}.bs-section--mist{background:#edf4f2}.bs-section--navy{background:var(--bs-navy);color:#fff}.bs-section__heading{display:grid;grid-template-columns:5fr 4fr;gap:76px;align-items:end;margin-bottom:42px}.bs-section__heading h2{margin:0;font-size:clamp(34px,3.5vw,52px);letter-spacing:-.065em;line-height:1.18}.bs-section__heading p{margin:0;color:var(--bs-muted);font-size:15px}.bs-section--navy .bs-section__heading p{color:#b9cbd6}.bs-section__index{display:block;margin-bottom:15px;font:11px 'DM Mono',monospace;letter-spacing:.14em;color:var(--bs-sea)}.bs-section--navy .bs-section__index{color:var(--bs-leaf)}.bs-paths{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.22);border-left:1px solid rgba(255,255,255,.22)}.bs-path{min-height:352px;padding:28px 25px;border-right:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22);display:flex;flex-direction:column;transition:background .2s}.bs-path:hover{background:rgba(255,255,255,.08)}.bs-path__symbol{display:block;width:49px;height:49px;margin-bottom:64px;border:2px solid currentColor;position:relative;color:var(--bs-leaf)}.bs-path__symbol--gather{border-radius:50%;color:#8bd5da}.bs-path__symbol--space{transform:rotate(45deg);color:#e6bd79}.bs-path__symbol--memory{border-radius:50% 50% 50% 0;color:#ef8b68}.bs-path__symbol::after{content:'';position:absolute;inset:12px;border:2px solid currentColor}.bs-path__symbol--gather::after{inset:13px;border-radius:50%}.bs-path__symbol--space::after{inset:12px}.bs-path__symbol--memory::after{border-radius:50% 50% 50% 0}.bs-path small{font:11px 'DM Mono',monospace;letter-spacing:.12em;color:#a9c0cf}.bs-path h3{margin:10px 0 8px;font-size:25px;letter-spacing:-.05em}.bs-path p{margin:0;color:#c0d0da;font-size:13px}.bs-path b{margin-top:auto;padding-top:32px;color:var(--bs-leaf);font-size:13px}.bs-service-rail{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:210px 210px;gap:15px}.bs-service-link{position:relative;display:block;overflow:hidden;background:var(--bs-navy)}.bs-service-link:first-child{grid-row:span 2}.bs-service-link img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s}.bs-service-link:hover img{transform:scale(1.04)}.bs-service-link span{position:absolute;right:0;bottom:0;left:0;padding:14px 16px;background:linear-gradient(transparent,rgba(5,17,30,.88));color:#fff;font-size:13px;font-weight:800}.bs-service-link:first-child span{padding:24px;font-size:20px}.bs-ai-feature{display:grid;grid-template-columns:1.05fr .95fr;min-height:490px;background:#fff;border-top:1px solid var(--bs-line);border-bottom:1px solid var(--bs-line)}.bs-ai-feature__photo{position:relative;min-height:490px;background:#c7dcdb url('../assets/fieldwork-hero-v1.png') center/cover no-repeat}.bs-ai-feature__photo::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,28,52,.04),rgba(12,28,52,.38))}.bs-ai-feature__copy{padding:72px 70px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.bs-ai-feature h2{margin:0 0 20px;font-size:clamp(35px,3.3vw,48px);letter-spacing:-.065em;line-height:1.18}.bs-ai-feature p{margin:0 0 29px;color:var(--bs-muted);font-size:15px}.bs-ai-list{display:grid;grid-template-columns:1fr 1fr;width:100%;margin:2px 0 35px;border-top:1px solid var(--bs-line)}.bs-ai-list div{padding:15px 0;border-bottom:1px solid var(--bs-line);font-size:13px;font-weight:700}.bs-ai-list div:nth-child(odd){border-right:1px solid var(--bs-line);padding-right:16px}.bs-ai-list div:nth-child(even){padding-left:16px}.bs-brand-map{display:grid;grid-template-columns:1.1fr 1.9fr;gap:56px;align-items:start}.bs-brand-map__intro{position:sticky;top:132px}.bs-brand-map__intro h2{margin:0 0 20px;font-size:clamp(34px,3.3vw,50px);letter-spacing:-.065em;line-height:1.18}.bs-brand-map__intro p{margin:0;color:var(--bs-muted);font-size:15px}.bs-brand-lines{border-top:1px solid var(--bs-line)}.bs-brand-line{display:grid;grid-template-columns:62px 1.1fr 1.4fr auto;gap:18px;align-items:center;min-height:112px;border-bottom:1px solid var(--bs-line)}.bs-brand-line__mark{width:44px;height:44px;border-radius:50% 50% 50% 7px;display:grid;place-items:center;background:var(--mark,#d7e8e5);color:var(--bs-navy);font:700 12px 'DM Mono',monospace}.bs-brand-line h3{margin:0;font-size:18px;letter-spacing:-.04em}.bs-brand-line p{margin:0;color:var(--bs-muted);font-size:13px}.bs-brand-line a{font-size:13px;font-weight:800;color:var(--bs-blue);white-space:nowrap}.bs-brand-line:nth-child(2){--mark:#c6ef69}.bs-brand-line:nth-child(3){--mark:#a9dadd}.bs-brand-line:nth-child(4){--mark:#ecd091}.bs-brand-line:nth-child(5){--mark:#efad94}.bs-index{padding:76px 0;background:#e7f0ee}.bs-index__grid{display:grid;grid-template-columns:1.1fr 2fr;gap:62px}.bs-index h2{margin:0;font-size:38px;letter-spacing:-.065em;line-height:1.2}.bs-index p{margin:14px 0 0;color:var(--bs-muted);font-size:14px}.bs-index__list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 34px;border-top:1px solid var(--bs-line)}.bs-index__list a{padding:13px 0;border-bottom:1px solid var(--bs-line);font-size:14px;font-weight:700}.bs-index__list a::after{content:'↗';float:right;color:var(--bs-blue)}.bs-cta{padding:93px 0;background:var(--bs-navy);color:#fff}.bs-cta .bs-wrap{display:flex;align-items:end;justify-content:space-between;gap:40px}.bs-cta h2{max-width:790px;margin:0;font-size:clamp(36px,4vw,62px);letter-spacing:-.07em;line-height:1.12}.bs-footer{padding:44px 0;background:#071324;color:#b9c8d2}.bs-footer__row{display:flex;align-items:end;justify-content:space-between;gap:30px}.bs-footer p{margin:11px 0 0;font-size:12px}.bs-footer__links{display:flex;flex-wrap:wrap;gap:15px;font-size:12px}.bs-footer__links a:hover{color:#fff}
@media(max-width:1020px){:root{--bs-wrap:min(1240px,calc(100% - 40px))}.bs-nav{display:none}.bs-menu{display:block;margin-left:auto}.bs-header__row{height:72px}.bs-hero{padding-top:64px}.bs-hero__grid,.bs-ai-feature,.bs-brand-map,.bs-index__grid{grid-template-columns:1fr}.bs-hero__media{max-width:760px}.bs-section__heading{grid-template-columns:1fr;gap:20px}.bs-paths{grid-template-columns:repeat(2,1fr)}.bs-brand-map__intro{position:static}.bs-ai-feature__photo{min-height:370px}.bs-ai-feature__copy{padding:56px}.bs-index__list{margin-top:8px}.bs-footer__row{align-items:flex-start;flex-direction:column}.bs-header.is-open .bs-nav{position:absolute;top:72px;right:0;left:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:18px 20px;background:#fff;border-bottom:1px solid var(--bs-line);box-shadow:0 12px 30px rgba(12,28,52,.12)}.bs-header.is-open .bs-nav a{padding:13px 0}.bs-header.is-open .bs-nav a::after{right:auto;bottom:7px;left:0;width:32px}.bs-header.is-open .bs-nav + .bs-button{display:none}}
@media(max-width:640px){:root{--bs-wrap:calc(100% - 32px)}.bs-utility{font-size:9px}.bs-utility span:last-child{display:none}.bs-logo img{width:145px}.bs-hero{min-height:0;padding:51px 0 64px}.bs-hero h1{font-size:48px}.bs-hero p{font-size:15px}.bs-hero__media{min-height:314px;margin-top:7px}.bs-hero__media img{height:314px;border-radius:0 48px 0 48px}.bs-hero__media::before{inset:16px -10px -15px 19px;border-radius:0 58px 0 0}.bs-hero__caption{left:0;bottom:-23px}.bs-section{padding:76px 0}.bs-section__heading h2,.bs-brand-map__intro h2{font-size:37px}.bs-paths{grid-template-columns:1fr}.bs-path{min-height:230px}.bs-path__symbol{margin-bottom:35px}.bs-service-rail{grid-template-columns:1fr 1fr;grid-template-rows:210px 155px 155px}.bs-service-link:first-child{grid-column:span 2;grid-row:auto}.bs-ai-feature__photo{min-height:300px}.bs-ai-feature__copy{padding:43px 26px}.bs-ai-list{grid-template-columns:1fr}.bs-ai-list div:nth-child(odd){border-right:0;padding-right:0}.bs-ai-list div:nth-child(even){padding-left:0}.bs-brand-line{grid-template-columns:51px 1fr;gap:13px;padding:20px 0}.bs-brand-line p{grid-column:2}.bs-brand-line a{grid-column:2}.bs-index{padding:58px 0}.bs-index h2{font-size:34px}.bs-index__list{grid-template-columns:1fr}.bs-cta{padding:71px 0}.bs-cta .bs-wrap{display:block}.bs-cta h2{font-size:39px;margin-bottom:29px}}