.service-hero{min-height:610px;display:flex;align-items:center;color:#fff;background-position:center;background-size:cover;position:relative}
.service-hero:after{content:"沈阳辽地测绘";position:absolute;right:26px;bottom:20px;color:rgba(255,255,255,.62);font-size:15px;letter-spacing:2px}
.service-hero.building-cultural{background-image:url('images/ai-reconstructed/building-cultural-3d-hero.webp')}
.service-hero.drone-mapping{background-image:url('images/ai-reconstructed/drone-mapping-hero.webp')}
.service-hero.control-monitoring{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(5,84,119,.78)),radial-gradient(circle at 78% 34%,#39c2d0 0 2px,transparent 3px),linear-gradient(135deg,#09263b,#116f95)}
.service-hero.gnss-leveling{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(8,92,128,.75)),repeating-linear-gradient(90deg,transparent 0 70px,rgba(99,221,231,.12) 71px 72px),linear-gradient(135deg,#08263d,#127e9e)}
.service-hero.terrain-route{background-image:linear-gradient(90deg,rgba(5,31,49,.96),rgba(9,94,119,.7)),repeating-radial-gradient(ellipse at 78% 65%,transparent 0 22px,rgba(120,225,216,.15) 23px 25px),linear-gradient(145deg,#092a40,#1b7e7f)}
.service-hero.pipeline-survey{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(11,74,109,.72)),repeating-linear-gradient(145deg,transparent 0 42px,rgba(88,207,224,.13) 43px 45px),linear-gradient(135deg,#08243a,#125f86)}
.service-hero.planning-stakeout{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(8,90,126,.73)),repeating-linear-gradient(0deg,transparent 0 54px,rgba(111,220,231,.11) 55px 56px),linear-gradient(135deg,#08263c,#147a98)}
.service-hero.precision-survey{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(12,65,99,.72)),radial-gradient(circle at 78% 48%,transparent 0 70px,rgba(103,221,232,.18) 71px 73px,transparent 74px),linear-gradient(135deg,#071f32,#0d5d83)}
.service-hero.water-survey{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(7,101,127,.68)),repeating-radial-gradient(ellipse at 82% 72%,transparent 0 28px,rgba(115,229,221,.13) 29px 31px),linear-gradient(145deg,#082b40,#168c91)}
.service-hero.rail-tunnel{background-image:linear-gradient(90deg,rgba(5,31,49,.97),rgba(10,66,101,.72)),repeating-linear-gradient(90deg,transparent 0 84px,rgba(90,211,227,.12) 85px 87px),linear-gradient(135deg,#071e31,#105f85)}
.service-hero-copy{max-width:660px;padding:85px 0;position:relative;z-index:1}
.service-hero h1{font-size:clamp(40px,5vw,64px);line-height:1.15;margin:14px 0 20px}
.service-hero p{font-size:18px;color:#e5f3f6;max-width:640px}
.service-stats{margin-top:-42px;position:relative;z-index:2}
.service-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
.service-stat{padding:24px;text-align:center;border-right:1px solid var(--line)}
.service-stat:last-child{border:0}.service-stat b{display:block;color:var(--blue);font-size:24px}.service-stat span{font-size:13px;color:var(--muted)}
.service-visual{min-height:430px;border-radius:14px;padding:34px;color:#fff;background:linear-gradient(145deg,#0a2a40,#0d648c);display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
.service-visual:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 25%,rgba(70,221,234,.35),transparent 30%),linear-gradient(120deg,transparent 45%,rgba(255,255,255,.08))}
.service-visual>*{position:relative}.service-visual h3{font-size:30px;margin:0}.service-visual p{color:#d9edf3}
.service-app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-app{background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px;transition:.22s}
.service-app:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a8d9e1}
.service-app .num{display:block;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:1px}
.service-app h3{font-size:19px;margin:8px 0}.service-app p{font-size:14px;color:var(--muted);margin:0}
.service-process{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.service-step{background:#fff;border:1px solid var(--line);padding:22px;border-radius:10px}.service-step b{display:block;color:var(--blue);font-size:13px}.service-step h3{margin:7px 0;font-size:17px}.service-step p{font-size:13px;color:var(--muted);margin:0}
.service-output-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.service-output{padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff}.service-output b{display:block;color:var(--blue)}.service-output span{font-size:13px;color:var(--muted)}
.service-cta{background:linear-gradient(110deg,#071d2d,#0b486b);color:#fff;border-radius:15px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px}.service-cta h2{margin:0 0 6px}.service-cta p{margin:0;color:#cfe3eb}
@media(max-width:900px){.service-app-grid{grid-template-columns:repeat(2,1fr)}.service-process{grid-template-columns:repeat(2,1fr)}.service-stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.service-hero{min-height:560px;background-position:62% center}.service-hero h1{font-size:39px}.service-hero-copy{padding:70px 0}.service-app-grid,.service-process,.service-output-grid{grid-template-columns:1fr}.service-cta{display:block}.service-cta .actions{margin-bottom:0}}