/* Black/gold tokens and spec-table layout adapted from OpenDrone-Web (MIT). See THIRD_PARTY.md. */
:root{--bg:#0d0d10;--card:#141417;--text:#e5e5e5;--muted:#9a9a9a;--gold:#ffb700;--border:#24242a;font-family:Inter,Arial,"Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;color-scheme:dark}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:5px}a:hover{color:var(--gold)}.wrap{max-width:1200px;margin:auto;padding:0 32px}.notice{padding:9px 24px;text-align:center;font-size:12px;color:#b9a26c;background:#1c190f;border-bottom:1px solid #39301b}header{border-bottom:1px solid var(--border)}.nav{min-height:88px;display:flex;align-items:center;gap:42px}.brand{font-size:30px;font-weight:800;letter-spacing:-1.5px;display:flex;align-items:center;gap:11px}.mark{color:var(--gold);font-size:31px;letter-spacing:-8px;padding-right:8px}.navlinks{display:flex;gap:26px;margin-left:auto;font-size:14px}.langs{display:flex;gap:13px;font:12px monospace;border-left:1px solid var(--border);padding-left:24px}.active{color:var(--gold)}.eyebrow{font:12px monospace;letter-spacing:.13em;color:var(--gold);text-transform:uppercase}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;min-height:610px;gap:42px}.hero h1{font-size:clamp(40px,4.5vw,64px);line-height:1.15;letter-spacing:-.04em;margin:25px 0}.hero p,.intro{font-size:16px;line-height:1.9;color:var(--muted);max-width:600px}.hero-art{position:relative}.hero-art svg{width:100%;display:block}.tag{font:11px monospace;letter-spacing:.1em;color:var(--muted);border-top:1px solid var(--border);padding:13px 0;display:flex;justify-content:space-between}.buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{border:1px solid var(--border);padding:14px 22px;display:inline-flex;align-items:center;justify-content:center;gap:25px;font-size:14px;background:transparent;color:var(--text);cursor:pointer}.btn.gold{background:var(--gold);color:#111;border-color:var(--gold);font-weight:700}.btn:hover{border-color:var(--gold)}.strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);display:grid;grid-template-columns:repeat(3,1fr);padding:24px 0;gap:25px}.strip strong{display:block;font-size:14px;font-weight:500}.strip small{display:block;color:var(--muted);margin-top:8px;font-size:12px}section{padding:70px 0}.sectionhead{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px;gap:20px}h2{font-size:32px;font-weight:500;letter-spacing:-.03em;margin:13px 0}h3{font-size:24px;font-weight:500;margin:15px 0}.cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}.card{border:1px solid var(--border);background:var(--card)}.card:hover{border-color:#66552e}.board{background:#101012;border-bottom:1px solid var(--border);height:290px;display:flex;justify-content:center}.board svg{height:100%;max-width:100%}.cardbody{padding:28px}.cardbody p{color:var(--muted);line-height:1.8;font-size:14px}.price{font:18px monospace;color:var(--gold);padding:20px 0;border-top:1px solid var(--border);margin-top:24px;display:flex;justify-content:space-between;gap:16px}.price span{font:12px Arial;color:var(--muted)}.arrowlink{display:flex;justify-content:space-between;font-size:14px}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border)}.resource{padding:30px;border-right:1px solid var(--border)}.resource:last-child{border:0}.resource h3{font-size:20px}.resource p{color:var(--muted);font-size:14px;line-height:1.8}.num{font:12px monospace;color:var(--gold)}.cta{border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:30px;padding:45px 0 65px}.cta p,footer{color:var(--muted);font-size:13px;line-height:1.7}footer{border-top:1px solid var(--border);padding:28px 0}.foot{display:flex;justify-content:space-between;gap:20px}.pagehead{padding:65px 0 35px}.pagehead h1{font-size:45px;font-weight:500;letter-spacing:-.04em}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:35px}.detail{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.detail h1{font-size:42px;font-weight:500}.detail .board{height:auto;border:1px solid var(--border)}.detail p{color:var(--muted);line-height:1.9}.spec-table{display:grid;column-gap:2.5rem;grid-template-columns:1fr 1fr;border-top:1px solid var(--border);margin:25px 0}.spec-table>div{display:flex;justify-content:space-between;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border);font-size:14px}.spec-table dt{color:var(--muted)}.spec-table dd{margin:0;text-align:right}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.contact-info{border-top:1px solid var(--border);padding-top:24px}.contact-info p{color:var(--muted);line-height:1.9}.form{border:1px solid var(--border);padding:30px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{font-size:13px;display:block;margin-bottom:20px}input,textarea,select{width:100%;margin-top:10px;border:1px solid #38383d;background:#111114;padding:13px;color:var(--text);border-radius:0}textarea{resize:vertical;min-height:130px}.hint{font-size:12px;line-height:1.8;color:var(--muted)}output{display:block;white-space:pre-wrap;font-size:13px;line-height:1.8;margin-top:20px}body[data-page=home] .home-link{color:var(--gold)}.content-section{padding-top:20px}.pending{color:var(--muted);font-size:12px}.filter{display:flex;gap:12px;margin-bottom:28px}.filter button[aria-pressed=true]{border-color:var(--gold);color:var(--gold)}[hidden]{display:none!important}@media(max-width:800px){.wrap{padding:0 22px}.nav{flex-wrap:wrap;gap:20px;padding-top:20px;padding-bottom:20px}.navlinks{order:3;width:100%;justify-content:space-between;gap:12px}.langs{margin-left:auto}.hero{grid-template-columns:1fr;gap:10px;padding:55px 0 25px;min-height:0}.hero h1{font-size:45px}.hero-art{max-width:500px;width:100%;margin:auto}.strip{gap:15px}.strip strong{font-size:12px}.strip small{font-size:11px;line-height:1.6}.cards,.detail,.contact-grid{grid-template-columns:1fr}.resource-grid{grid-template-columns:1fr}.resource{border-right:0;border-bottom:1px solid var(--border)}.cta{align-items:start;flex-direction:column}.sectionhead{align-items:start}.spec-table{grid-template-columns:1fr}.fields{grid-template-columns:1fr;gap:0}.foot{flex-direction:column}section{padding:45px 0}.detail{gap:25px}.pagehead h1{font-size:36px}.form{padding:22px}}
/* Fixed FPV drone atmosphere. No motion, canvas, video or third-party requests. */
.hero{position:relative;isolation:isolate}.hero-background{position:absolute;inset:0 -48px;z-index:-1;pointer-events:none;opacity:.76;mask-image:linear-gradient(to bottom,transparent,#000 7%,#000 85%,transparent)}.hero::after{content:' ';position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#0d0d10 0%,rgba(13,13,16,.75) 25%,transparent 54%)}.hero-background{z-index:-2}.hero-background img{mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);width:100%;height:100%;display:block;object-fit:contain;object-position:center}.hero-copy{position:relative;z-index:1}.hero-copy p{max-width:450px}.hero-art{height:490px;display:flex;align-items:flex-end;justify-content:flex-end}.hero-art .tag{width:90%;font-size:10px;color:#b49a63;border-color:#514020}.hero .eyebrow{line-height:1.8}@media(max-width:800px){.hero{padding-bottom:25px;gap:0}.hero::after{display:none}.hero-background{inset:auto -10px 28px;height:330px;opacity:.82;mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 85%,transparent)}.hero-background img{object-fit:contain;object-position:center}.hero-copy p{max-width:100%}.hero-art{height:345px;align-items:flex-end;max-width:none}.hero-art .tag{width:100%;gap:12px;font-size:9px}.hero-copy .eyebrow{font-size:11px}}

/* Product details reuse the established black/gold layout. */
.card,.detail>*{min-width:0}.cards.single{grid-template-columns:minmax(0,580px)}.board.photo{background:#fff;align-items:center;padding:16px;min-height:300px}.board.photo img{display:block;width:268px;height:268px;object-fit:contain;max-width:100%;flex-shrink:1}.detail .board.photo{min-height:390px;margin:0}.photo-caption{font-size:12px;color:var(--muted);margin:14px 0}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.chips span{border:1px solid var(--border);padding:7px 10px;color:#c9b475;font:12px monospace}.product-price{font-size:30px}.price{align-items:center;flex-wrap:wrap}.price span{line-height:1.7}.spec-table>div{min-width:0}.spec-table dt{max-width:48%}.spec-table dd{max-width:65%;overflow-wrap:anywhere;line-height:1.6}.filter{flex-wrap:wrap}.contact-info a,.contact-info strong{overflow-wrap:anywhere}.mail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.draft-status{color:#d9bd78}.category-note{border:1px solid var(--border);padding:26px;color:var(--muted);line-height:1.9}output{overflow-wrap:anywhere}.detail h1{font-size:clamp(30px,4vw,42px)}@media(max-width:800px){.cards.single{grid-template-columns:1fr}.detail .board.photo{min-height:300px}.spec-table dt{max-width:42%}.spec-table dd{max-width:58%}.brand{font-size:27px}.navlinks{flex-wrap:wrap;row-gap:14px}.langs{padding-left:16px}.detail .buttons .btn{max-width:100%}.resource{min-width:0}.pagehead h1{overflow-wrap:anywhere}}

/* Transparent product cutout: page/card background remains visible. */
.board.photo{position:relative;isolation:isolate;background:transparent;border:0;overflow:visible;padding:20px;min-height:330px}.board.photo::before{content:'';position:absolute;inset:6%;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at center,rgba(255,183,0,.13) 0%,rgba(255,183,0,.045) 42%,transparent 72%)}.board.photo img{width:min(100%,360px);height:auto;aspect-ratio:1;filter:drop-shadow(0 16px 22px rgba(0,0,0,.65))}.detail .board.photo{min-height:430px;border:0}.detail .board.photo img{width:min(100%,420px)}.card .board.photo{height:330px;min-height:0;overflow:hidden;border-bottom:1px solid var(--border)}.card .board.photo img{width:100%;height:100%;max-width:360px;max-height:100%;object-fit:contain}@media(max-width:800px){.board.photo{min-height:290px;padding:16px}.card .board.photo{height:290px}.detail .board.photo{min-height:320px}.detail .board.photo img{width:min(100%,340px)}}

/* Long technical model names remain readable on narrow screens. */
.detail h1,.card h3,.breadcrumb{overflow-wrap:anywhere}.breadcrumb{line-height:1.7}

.price-note{flex-basis:100%;font:11px/1.8 Arial,sans-serif;color:var(--muted)}.price-note a{text-decoration:underline;text-underline-offset:3px}.variant-picker{margin-top:24px;max-width:390px}.variant-picker select{margin-top:8px}.price strong{overflow-wrap:anywhere}

.cardbody .chips + .arrowlink{margin-top:24px}