:root{
  --bg:#F7F5F2;--paper:#FFFDF8;--ink:#1F2421;--muted:#756F65;
  --gold:#B89146;--gold2:#D9C7A0;--line:#E8E1D6;--dark:#171C19;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.68;overflow-x:hidden}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}
.container{width:min(1180px,92%);margin:auto}
.header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(247,245,242,.78);backdrop-filter:blur(20px);border-bottom:1px solid rgba(31,36,33,.08)}
.nav{height:92px;display:flex;align-items:center;justify-content:space-between}
.brand img{height:74px;width:auto;animation:logoBreath 5s ease-in-out infinite}
.navlinks{display:flex;gap:30px;color:#4b504b;font-size:15px}
.navlinks a{position:relative;padding:8px 0}.navlinks a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--gold);transition:.28s}.navlinks a:hover{color:var(--gold)}.navlinks a:hover:after{right:0}
.mobile-call{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:999px;font-weight:800;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 14px 28px rgba(31,36,33,.12)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(31,36,33,.2)}
.btn-ghost{background:rgba(255,255,255,.68);border-color:var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--gold);color:#6a5526}

.hero{padding:138px 0 84px;background:linear-gradient(180deg,#FFFDF8 0%,#F7F5F2 52%,#EEE5D8 100%);text-align:center}
.kicker{color:var(--gold);letter-spacing:4px;font-weight:900;margin-bottom:16px;animation:fadeUp .7s ease both}
h1{font-size:clamp(44px,7vw,88px);line-height:1.03;letter-spacing:-3px;margin-bottom:20px;animation:fadeUp .9s ease both}
.hero-text{max-width:780px;margin:0 auto;color:var(--muted);font-size:clamp(18px,2vw,23px);animation:fadeUp 1.05s ease both}
.actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px;animation:fadeUp 1.15s ease both}
.hero-image{margin-top:48px;border-radius:42px;overflow:hidden;box-shadow:0 34px 90px rgba(31,36,33,.14);border:1px solid rgba(184,145,70,.25);animation:fadeIn 1.2s ease both}
.hero-image img{width:100%;height:520px;object-fit:cover;transition:transform .8s ease}.hero-image:hover img{transform:scale(1.035)}

section{padding:88px 0}
.section-title{font-size:clamp(30px,4vw,54px);line-height:1.15;letter-spacing:-1px;margin-bottom:14px}
.section-desc{max-width:760px;color:var(--muted);font-size:17px;margin-bottom:34px}
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center}
.about-img{border-radius:34px;overflow:hidden;box-shadow:0 24px 70px rgba(31,36,33,.1);border:1px solid var(--line)}
.about-img img{height:430px;width:100%;object-fit:cover}
.lead{font-size:28px;line-height:1.32;margin-bottom:18px;color:var(--ink);font-weight:800}

.product-grid,.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card,.case-card{background:var(--paper);border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:0 18px 45px rgba(31,36,33,.06);transition:.25s}
.product-card:hover,.case-card:hover{transform:translateY(-6px);border-color:rgba(184,145,70,.5);box-shadow:0 24px 60px rgba(31,36,33,.12)}
.product-photo,.case-photo{height:270px;overflow:hidden;background:#eee}
.product-photo img,.case-photo img{height:100%;width:100%;object-fit:cover;transition:transform .65s ease}
.product-card:hover img,.case-card:hover img{transform:scale(1.09)}
.card-body{padding:20px}.card-body h3{font-size:21px;margin-bottom:6px}.card-body p{color:var(--muted);font-size:15px}

.dark{background:var(--dark);color:#fff}
.dark .section-desc{color:rgba(255,255,255,.68)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:28px;padding:26px}
.svg-icon{width:54px;height:54px;border-radius:18px;background:rgba(184,145,70,.18);display:grid;place-items:center;margin-bottom:16px}
.svg-icon svg{width:28px;height:28px;stroke:#fff;stroke-width:1.8;fill:none}
.why-card h3{font-size:21px;margin-bottom:8px}.why-card p{color:rgba(255,255,255,.68);font-size:15px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:28px;text-align:center}
.stat strong{display:block;font-size:42px;color:var(--gold);line-height:1}.stat span{display:block;margin-top:10px;color:var(--muted)}

.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:22px;text-align:center;position:relative}
.step b{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;margin-bottom:12px}.step p{color:var(--muted);font-size:14px;margin-top:6px}

.contact{background:linear-gradient(135deg,#FFFDF8,#EFE5D8)}
.contact-box{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:center;background:var(--ink);color:#fff;border-radius:38px;padding:34px;box-shadow:0 28px 80px rgba(31,36,33,.18)}
.contact-box h2{font-size:clamp(32px,4vw,54px);line-height:1.12;margin-bottom:16px}.contact-box p{color:rgba(255,255,255,.76)}
.contact-list{display:grid;gap:9px;margin-top:20px}.contact-line{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.88);font-size:15px}.contact-line span:first-child{color:var(--gold);min-width:22px}
.qr-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:16px}
.qr-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.qr-card{background:#fff;color:var(--ink);border-radius:18px;padding:8px 10px 7px;text-align:center;cursor:pointer;line-height:1.12}
.qr-card img{width:150px;height:150px;object-fit:contain;margin:0 auto 2px;border-radius:10px}.qr-card b{display:block;font-size:14px;line-height:1.05}.qr-card small{display:block;color:var(--muted);font-size:11px;line-height:1.08;margin-top:0}

.footer{background:#171C19;color:rgba(255,255,255,.62);padding:34px 0;text-align:center}
.footer img{height:56px;margin:0 auto 14px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:none;align-items:center;justify-content:center;z-index:100;padding:22px}.modal.active{display:flex}.modal-box{background:#fff;border-radius:28px;padding:18px;text-align:center;max-width:390px;width:100%}.modal-box img{width:100%;border-radius:18px}.modal-box p{color:#666;margin-top:8px}
.reveal{opacity:0;transform:translateY(24px);transition:.72s}.reveal.visible{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes logoBreath{0%,100%{transform:scale(1)}50%{transform:scale(1.015)}}

@media(max-width:1024px){.product-grid,.case-grid,.why-grid,.stats{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(3,1fr)}.about-grid,.contact-box{grid-template-columns:1fr}}
@media(max-width:760px){
.container{width:min(100% - 28px,540px)}.header{background:rgba(247,245,242,.95)}.nav{height:70px}.brand img{height:48px;max-width:210px;object-fit:contain}.navlinks{display:none}.mobile-call{display:inline-flex;padding:8px 12px;font-size:13px;width:auto}
.hero{padding:96px 0 44px}.kicker{font-size:12px;letter-spacing:2px}h1{font-size:38px;letter-spacing:-1.2px}.hero-text{font-size:15.5px;line-height:1.72}.actions .btn{width:100%;padding:13px 18px}.hero-image{margin-top:28px;border-radius:26px}.hero-image img{height:260px}
section{padding:54px 0}.section-title{font-size:30px}.section-desc{font-size:15px;margin-bottom:22px}.lead{font-size:24px}.about-img img{height:260px}
.product-grid,.case-grid,.why-grid,.stats,.process{grid-template-columns:1fr}.product-photo,.case-photo{height:270px}.product-card:hover,.case-card:hover{transform:none}.product-card:hover img,.case-card:hover img{transform:none}
.stat strong{font-size:36px}.contact-box{border-radius:28px;padding:22px;gap:16px}.contact-box h2{font-size:30px}.contact-list{gap:7px}.contact-line{font-size:14px}
.qr-panel{padding:10px;border-radius:18px}.qr-row{grid-template-columns:1fr 1fr;gap:8px}.qr-card{padding:6px 6px 6px;border-radius:14px}.qr-card img{width:108px;height:108px;margin-bottom:1px}.qr-card b{font-size:13px}.qr-card small{font-size:10px}.footer{font-size:12.5px}.footer img{height:44px}
}
@media(max-width:390px){.brand img{height:42px;max-width:178px}h1{font-size:34px}.hero-image img{height:230px}.product-photo,.case-photo{height:236px}.qr-card img{width:96px;height:96px}}