:root{
  --bg:#081018;--bg2:#0d1721;--panel:#101b26;--panel2:#152230;--text:#f6f8fb;--muted:#aeb9c5;
  --line:rgba(255,255,255,.12);--accent:#1297ff;--accent2:#00b7ff;--light:#f5f7fa;--ink:#111820;
  --max:1180px;--shadow:0 18px 50px rgba(0,0,0,.23);--radius:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.55}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.eyebrow{font-size:.77rem;text-transform:uppercase;letter-spacing:.16em;color:var(--accent2);font-weight:800}.zh{display:block;font-size:.78em;color:inherit;opacity:.9;margin-top:.12em}.muted{color:var(--muted)}
header.site-header{position:sticky;top:0;z-index:1000;background:rgba(5,12,18,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{min-height:74px;display:flex;align-items:center;gap:28px}.brand{width:260px;flex:0 0 auto}.brand img{width:100%;height:auto}.navlinks{display:flex;gap:24px;align-items:center;margin-left:auto;font-size:.92rem}.navlinks a{color:#d7e0e8;padding:28px 0 24px;border-bottom:3px solid transparent}.navlinks a:hover,.navlinks a.active{color:white;border-color:var(--accent)}.nav-cta{background:var(--accent)!important;color:white!important;padding:11px 16px!important;border-radius:9px;border-bottom:0!important;font-weight:800}.menu-btn{display:none;margin-left:auto;background:none;color:white;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:1.2rem}
.hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background:#0b141e}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,10,15,.96) 0%,rgba(5,10,15,.82) 42%,rgba(5,10,15,.18) 72%,rgba(5,10,15,.05) 100%),linear-gradient(0deg,rgba(5,10,15,.68),transparent 50%);z-index:1}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero .wrap{position:relative;z-index:2}.hero-copy{max-width:660px}.hero h1{font-size:clamp(3rem,7vw,6.3rem);line-height:.92;margin:.22em 0 .2em;letter-spacing:-.055em}.hero h1 .accent{color:var(--accent)}.hero p{font-size:1.15rem;color:#dce3ea;max-width:640px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:9px;padding:13px 19px;border:1px solid var(--line);font-weight:800;cursor:pointer}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.ghost{background:rgba(10,20,30,.5);color:white}.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.service-strip{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#09131c}.service-mini{padding:28px 20px;text-align:center;border-right:1px solid var(--line)}.service-mini:last-child{border:0}.service-mini strong{display:block;font-size:.94rem}.service-mini .ico{font-size:1.8rem;color:var(--accent);margin-bottom:8px}.service-mini span{font-size:.78rem;color:var(--muted)}
section{padding:82px 0}.light{background:var(--light);color:var(--ink)}.dark2{background:var(--bg2)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-head h2{margin:0;font-size:clamp(2rem,4vw,3.25rem);letter-spacing:-.04em;line-height:1}.section-head p{margin:0;max-width:560px}.grid{display:grid;gap:18px}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.light .card{background:white;border-color:#dfe5ea;box-shadow:0 14px 36px rgba(25,35,45,.08)}.card-media{aspect-ratio:16/10;overflow:hidden;background:#111}.card-media img{width:100%;height:100%;object-fit:cover;transition:.4s}.card:hover .card-media img{transform:scale(1.035)}.card-body{padding:22px}.card h3{margin:.15em 0 .35em;font-size:1.25rem}.card p{color:var(--muted);margin:.3em 0}.light .card p{color:#586572}.tag{display:inline-block;padding:5px 8px;border-radius:999px;background:rgba(18,151,255,.13);color:#41b4ff;font-size:.74rem;font-weight:800;letter-spacing:.04em}.text-link{display:inline-block;color:var(--accent);font-weight:800;margin-top:14px}
.split{display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch}.split-media{min-height:480px}.split-media img{width:100%;height:100%;object-fit:cover}.split-copy{padding:60px;background:white;color:var(--ink)}.split-copy h2{font-size:3.1rem;line-height:1;margin:.3em 0}.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:35px;border-top:1px solid #dbe2e8;padding-top:26px}.stat b{font-size:2.3rem;color:var(--accent);display:block}.stat span{font-size:.83rem;color:#596674}
.benefits{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.benefit{background:var(--bg2);padding:26px;text-align:center}.benefit .ico{font-size:1.8rem;color:var(--accent)}.benefit h3{font-size:1rem;margin:.7em 0 .25em}.benefit p{font-size:.84rem;color:var(--muted)}
.gallery-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.filter-btn{background:#0d1822;color:#d9e2ea;border:1px solid var(--line);border-radius:999px;padding:8px 13px;cursor:pointer}.filter-btn.active{background:var(--accent);color:white;border-color:var(--accent)}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.gallery-item{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:12px;background:#111}.gallery-item img{width:100%;height:100%;object-fit:cover}.gallery-item .overlay{position:absolute;inset:auto 0 0;padding:35px 14px 13px;background:linear-gradient(transparent,rgba(0,0,0,.82));font-weight:800}.gallery-item.hidden{display:none}
.page-hero{min-height:430px;position:relative;display:flex;align-items:end;overflow:hidden}.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,10,15,.95),rgba(5,10,15,.5) 60%,rgba(5,10,15,.15)),linear-gradient(0deg,rgba(5,10,15,.82),transparent 65%);z-index:1}.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.page-hero .wrap{position:relative;z-index:2;padding-bottom:58px}.page-hero h1{font-size:clamp(2.8rem,6vw,5.2rem);line-height:.95;margin:.25em 0 .15em;letter-spacing:-.05em}.page-hero p{max-width:660px;color:#d8e1e9;font-size:1.12rem}
.content h2{font-size:2.5rem;letter-spacing:-.035em;margin-top:0}.content h3{font-size:1.4rem}.content p{color:#c1cad3}.light .content p{color:#51606d}.bullet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.bullet{padding:18px;border:1px solid var(--line);border-radius:12px}.light .bullet{border-color:#dce3e8;background:white}.bullet b{display:block;margin-bottom:5px}.bullet span{color:var(--muted);font-size:.9rem}.light .bullet span{color:#60707d}
.material-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.material{background:white;color:var(--ink);border-radius:14px;overflow:hidden;border:1px solid #dfe5ea}.material img{aspect-ratio:16/8;object-fit:cover;width:100%}.material div{padding:16px}.material b{display:block;font-size:1.05rem}.material span{font-size:.84rem;color:#66717a}
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.step{padding:22px 16px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.step .num{width:36px;height:36px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-weight:900;margin-bottom:12px}.step b{display:block}.step span{font-size:.83rem;color:var(--muted)}
.cta{position:relative;overflow:hidden;background:linear-gradient(115deg,#087ee8,#14b6ff);padding:48px 0;color:white}.cta:after{content:"";position:absolute;width:400px;height:400px;border:70px solid rgba(255,255,255,.07);right:-100px;top:-165px;transform:rotate(30deg)}.cta .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:2.5rem;margin:0}.cta p{margin:.4em 0 0;opacity:.9}
.form-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.form-card{background:white;color:var(--ink);border-radius:16px;padding:28px;box-shadow:0 12px 36px rgba(0,0,0,.1)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{margin-bottom:15px}.field label{display:block;font-weight:800;font-size:.9rem;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid #ced7de;border-radius:8px;background:#fff;color:#111}.field textarea{min-height:150px;resize:vertical}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 14px}.check-grid label{font-weight:500}.upload{border:2px dashed #b7c8d6;border-radius:10px;padding:20px;text-align:center;background:#f8fbfd}.form-note{font-size:.8rem;color:#6a7782}.status{display:none;margin-top:14px;padding:12px;border-radius:8px}.status.ok{display:block;background:#e8f8ee;color:#176c38}.status.err{display:block;background:#fff0f0;color:#9f2626}.aside-box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:18px}.aside-box h3{margin-top:0}.aside-box ul{padding-left:18px;color:var(--muted)}
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.contact-card{background:var(--bg2);padding:26px}.contact-card b{display:block;margin-bottom:8px}.contact-card span,.contact-card a{color:var(--muted);font-size:.92rem}.map-frame{border:0;width:100%;min-height:420px;border-radius:16px;background:#111}
footer{background:#050b10;border-top:1px solid var(--line);padding:46px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.4fr;gap:30px}.footer-logo{width:240px}.footer-title{font-weight:900;margin-bottom:10px}.footer-links a{display:block;color:#aeb8c2;font-size:.9rem;margin:5px 0}.footer-links a:hover{color:white}.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:#7f8b96;font-size:.78rem;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.notice{background:#092641;border:1px solid rgba(18,151,255,.35);border-radius:12px;padding:16px;color:#cceaff}.reference-note{font-size:.78rem;color:#75828e}
@media(max-width:980px){.navlinks{position:fixed;inset:74px 0 auto;background:#071019;padding:15px 26px 28px;display:none;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.navlinks.open{display:flex}.navlinks a{padding:10px 0;border:0}.menu-btn{display:block}.brand{width:220px}.service-strip{grid-template-columns:repeat(2,1fr)}.service-mini:nth-child(even){border-right:0}.grid.cols-4,.gallery{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.benefits{grid-template-columns:repeat(2,1fr)}.benefit:last-child{grid-column:1/-1}.material-cards{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(3,1fr)}.form-grid{grid-template-columns:1fr}.contact-cards{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.wrap{width:min(100% - 26px,var(--max))}.hero{min-height:580px}.hero:before{background:linear-gradient(0deg,rgba(5,10,15,.95),rgba(5,10,15,.45)),linear-gradient(90deg,rgba(5,10,15,.9),rgba(5,10,15,.15))}.hero h1{font-size:3.2rem}.service-strip{grid-template-columns:1fr}.service-mini{border-right:0;border-bottom:1px solid var(--line)}section{padding:58px 0}.section-head{align-items:start;flex-direction:column}.grid.cols-2,.grid.cols-3,.grid.cols-4,.gallery{grid-template-columns:1fr}.split-copy{padding:36px 24px}.stats{grid-template-columns:1fr;gap:16px}.benefits{grid-template-columns:1fr}.benefit:last-child{grid-column:auto}.bullet-grid,.material-cards,.process,.contact-cards{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.check-grid{grid-template-columns:1fr}.cta .wrap{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.page-hero{min-height:390px}.page-hero h1{font-size:3rem}}