:root{--ink:#111827;--muted:#5b6472;--paper:#f6f8fb;--surface:#fff;--line:#dbe3ec;--night:#07111d;--night-soft:#102033;--primary:#14a7b7;--primary-dark:#087889;--accent:#ec9b47;--green:#69b87e;--shadow:0 18px 50px #1118271f;--radius:8px;--container:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);letter-spacing:0;margin:0;font-family:Microsoft YaHei,PingFang SC,Hiragino Sans GB,Segoe UI,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}body.nav-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}img,svg{display:block}.icon-sprite{width:0;height:0;position:absolute;overflow:hidden}.icon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:20px;height:20px}.skip-link{z-index:1000;border-radius:var(--radius);background:var(--surface);color:var(--ink);box-shadow:var(--shadow);padding:10px 14px;transition:transform .18s;position:fixed;top:12px;left:18px;transform:translateY(-120%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:50;height:74px;padding:0 max(24px, calc((100vw - var(--container)) / 2));color:#fff;justify-content:space-between;align-items:center;gap:28px;transition:background .18s,border-color .18s,box-shadow .18s;display:flex;position:fixed;inset:0 0 auto}.site-header.is-scrolled,.site-header.is-open{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#07111deb;border-bottom:1px solid #ffffff17;box-shadow:0 14px 35px #0000002e}.brand{align-items:center;gap:12px;min-width:0;min-height:48px;display:inline-flex}.brand-mark{border-radius:var(--radius);background:#fff;border:1px solid #ffffffb3;place-items:center;width:42px;height:42px;padding:4px;display:grid;overflow:hidden}.brand-mark img{object-fit:contain;width:100%;height:100%}.brand-text{line-height:1.15;display:grid}.brand-text strong{font-size:18px;font-weight:700}.brand-text small{color:#ffffffad;font-size:12px}.site-nav{align-items:center;gap:6px;display:flex}.site-nav a{border-radius:var(--radius);color:#ffffffd1;min-height:44px;padding:11px 15px;font-size:14px;font-weight:600;transition:background .16s,color .16s}.site-nav a:hover,.site-nav a:focus-visible{color:#fff;background:#ffffff1a}.nav-toggle{border-radius:var(--radius);color:#fff;cursor:pointer;background:#ffffff14;border:1px solid #ffffff38;place-items:center;width:46px;height:46px;display:none}.nav-toggle .nav-close,.site-header.is-open .nav-toggle .nav-open{display:none}.site-header.is-open .nav-toggle .nav-close{display:block}.hero{isolation:isolate;color:#fff;min-height:clamp(640px,88dvh,780px);position:relative;overflow:hidden}.hero-media,.hero-shade{z-index:-2;position:absolute;inset:0}.hero-media{background-image:url(/assets/hero-drone-lab.png);background-position:50%;background-size:cover;transform:scale(1.01)}.hero-shade{z-index:-1;background:linear-gradient(90deg,#050d17ad 0%,#050d1775 48%,#050d17c7 100%),linear-gradient(#050d1733 0%,#050d17c7 100%)}.hero-content{width:min(var(--container), calc(100% - 48px));margin:0 auto;padding:142px 0 52px}.eyebrow,.section-kicker{color:var(--green);text-transform:uppercase;margin:0 0 14px;font-size:13px;font-weight:700;line-height:1.35}.hero h1{max-width:980px;margin:0;font-size:clamp(38px,5vw,64px);font-weight:800;line-height:1.08}.hero-copy{color:#ffffffd1;max-width:650px;margin:24px 0 0;font-size:18px}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.button{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:9px;min-height:48px;padding:12px 18px;font-weight:700;line-height:1.2;transition:transform .16s,background .16s,border-color .16s,color .16s;display:inline-flex}.button:hover,.button:focus-visible{transform:translateY(-1px)}.button:disabled{cursor:not-allowed;opacity:.62;transform:none}.button-primary{background:var(--primary);color:#061018}.button-primary:hover,.button-primary:focus-visible{background:#35c4d2}.button-secondary{color:#fff;background:#ffffff14;border-color:#ffffff47}.button-secondary:hover,.button-secondary:focus-visible{background:#ffffff24;border-color:#ffffff8c}.hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;width:min(760px,100%);margin:58px 0 0;display:grid}.hero-metrics div{border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#07111d7a;border:1px solid #ffffff29;min-height:102px;padding:20px}.hero-metrics dt{color:#fff;font-size:20px;font-weight:800}.hero-metrics dd{color:#ffffffb8;margin:6px 0 0}.intro-strip{color:#ffffffc7;background:#0b1827;border-top:1px solid #ffffff14}.section-inner{width:min(var(--container), calc(100% - 48px));margin:0 auto}.strip-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;display:grid}.strip-grid p{color:#ffffffd1;background:#ffffff0a;place-items:center;min-height:78px;margin:0;font-weight:700;display:grid}.section{padding:92px 0}.section-heading{text-align:center;max-width:730px;margin:0 auto 42px}.section-heading.align-left{text-align:left;margin:0}.section-heading h2,.capability-layout h2,.contact-copy h2{color:var(--ink);margin:0;font-size:clamp(30px,4vw,46px);line-height:1.18}.section-heading p:not(.section-kicker),.capability-copy,.contact-copy p{color:var(--muted);margin:18px 0 0}.service-section,.scenario-section{background:var(--paper)}.service-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.service-card,.scenario-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:238px;padding:24px;box-shadow:0 12px 34px #1118270f}.service-card h3,.scenario-card h3,.workflow-list h3{color:var(--ink);margin:0;font-size:20px;line-height:1.32}.service-card p,.scenario-card p,.workflow-list p{color:var(--muted);margin:12px 0 0}.service-icon{border-radius:var(--radius);width:48px;height:48px;color:var(--primary-dark);background:#e8f7f9;place-items:center;margin-bottom:24px;display:grid}.workflow-section{background:var(--surface)}.workflow-layout{grid-template-columns:minmax(280px,.9fr) minmax(420px,1.1fr);align-items:start;gap:56px;display:grid}.workflow-list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.workflow-list li{border:1px solid var(--line);border-radius:var(--radius);background:#fbfcfe;grid-template-columns:74px minmax(0,1fr);gap:22px;min-height:132px;padding:24px;display:grid}.workflow-list span{border-radius:var(--radius);background:var(--night-soft);width:54px;height:54px;color:var(--accent);place-items:center;font-weight:800;display:grid}.scenario-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.scenario-card{border-top:4px solid var(--primary);min-height:220px}.scenario-card:nth-child(2){border-top-color:var(--accent)}.scenario-card:nth-child(3){border-top-color:var(--green)}.scenario-card:nth-child(4){border-top-color:#8b96a8}.capability-section{color:#fff;background:#101b29}.capability-layout{grid-template-columns:minmax(300px,.95fr) minmax(360px,1.05fr);align-items:center;gap:58px;display:grid}.capability-layout h2{color:#fff}.capability-copy{color:#ffffffbd}.capability-panel{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.capability-panel div{border-radius:var(--radius);background:#ffffff0f;border:1px solid #ffffff21;align-items:center;gap:16px;min-height:108px;padding:24px;display:flex}.capability-panel .icon{width:28px;height:28px;color:var(--accent)}.capability-panel span{font-size:19px;font-weight:800}.contact-section{background:#eaf0f6;padding:92px 0}.contact-layout{grid-template-columns:minmax(300px,.86fr) minmax(420px,1.14fr);align-items:start;gap:58px;display:grid}.contact-form{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);gap:18px;padding:28px;display:grid}.contact-form label{gap:8px;display:grid}.contact-form span{color:var(--ink);font-weight:700}.contact-form input,.contact-form select,.contact-form textarea{border-radius:var(--radius);width:100%;min-height:48px;color:var(--ink);background:#fff;border:1px solid #cbd5e1;outline:none;padding:11px 13px;transition:border-color .16s,box-shadow .16s}.contact-form textarea{resize:vertical;min-height:132px}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--primary-dark);box-shadow:0 0 0 3px #14a7b729}.form-button{border:0;width:100%}.form-status{min-height:26px;color:var(--primary-dark);margin:0;font-weight:700}.form-status.is-error{color:#b42318}.site-footer{background:var(--night);color:#ffffffb8}.footer-inner{justify-content:space-between;align-items:center;gap:24px;min-height:86px;display:flex}.footer-inner p{margin:0}.reveal{opacity:0;transition:opacity .36s,transform .36s;transform:translateY(16px)}.reveal.is-visible{opacity:1;transform:translateY(0)}:focus-visible{outline-offset:3px;outline:3px solid #ec9b47d9}@media (width<=980px){.site-header{padding:0 22px}.nav-toggle{display:grid}.site-nav{opacity:0;pointer-events:none;background:#07111df5;border-bottom:1px solid #ffffff1f;gap:0;padding:14px 22px 24px;transition:transform .18s,opacity .18s;display:grid;position:fixed;inset:74px 0 auto;transform:translateY(-120%)}.site-header.is-open .site-nav{opacity:1;pointer-events:auto;transform:translateY(0)}.site-nav a{border-bottom:1px solid #ffffff14;border-radius:0;align-items:center;min-height:52px;display:flex}.service-grid,.scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workflow-layout,.capability-layout,.contact-layout{grid-template-columns:1fr;gap:36px}}@media (width<=720px){.site-header{height:68px}.brand-text small{display:none}.site-nav{inset:68px 0 auto}.hero{min-height:auto}.hero-media{background-position:41%}.hero-shade{background:linear-gradient(90deg,#050d17d1 0%,#050d1794 100%),linear-gradient(#050d175c 0%,#050d17e6 100%)}.hero-content{width:min(100% - 32px, var(--container));padding:114px 0 34px}.hero h1{font-size:38px}.hero-copy{font-size:16px}.hero-actions{grid-template-columns:1fr;display:grid}.strip-grid,.service-grid,.scenario-grid,.capability-panel{grid-template-columns:1fr}.hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:24px}.hero-metrics div:last-child{grid-column:1/-1}.hero-metrics div{min-height:76px;padding:12px 10px}.hero-metrics dt{font-size:14px;line-height:1.25}.hero-metrics dd{margin-top:4px;font-size:12px;line-height:1.35}.strip-grid p{min-height:60px}.section{padding:68px 0}.section-inner{width:min(100% - 32px, var(--container))}.section-heading{text-align:left;margin-bottom:30px}.service-card,.scenario-card,.workflow-list li,.contact-form{padding:20px}.workflow-list li{grid-template-columns:56px minmax(0,1fr);gap:16px}.workflow-list span{width:48px;height:48px}.contact-section{padding:68px 0}.footer-inner{flex-direction:column;justify-content:center;align-items:flex-start;padding:20px 0}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.reveal{opacity:1;transform:none}}