*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Arial,"Microsoft YaHei",sans-serif;background:#080807;color:#fff}
a{text-decoration:none;color:inherit}
body{background:#0b0b09}
.app{min-height:100vh;width:100%;background:radial-gradient(circle at top,#1c1710,#070707 55%,#000)}
.header{position:sticky;top:0;z-index:50;background:rgba(5,5,5,.88);backdrop-filter:blur(10px);padding:16px 8%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(212,164,74,.25)}
.logo{display:flex;align-items:center;gap:8px;font-weight:900;color:#f5c86c;font-size:24px}
.logoIcon{width:40px;height:40px;border-radius:50%;border:1px solid #d4a44a;display:grid;place-items:center;color:#d4a44a;font-weight:900}
.menuBtn{font-size:30px;color:#d4a44a}

.hero{position:relative;min-height:620px;padding:150px 8% 80px;text-align:left;background:linear-gradient(90deg,rgba(0,0,0,.82),rgba(0,0,0,.45),rgba(0,0,0,.15)),url("images/meinv.jpg") center center/cover no-repeat}
.hero h1{font-size:58px;line-height:1.22;margin:18px 0 10px;color:#f3c979;letter-spacing:.5px;max-width:650px}
.hero .sub{font-size:34px;color:#f1c980;margin:0 0 12px;font-weight:700;max-width:650px}
.hero .desc{font-size:20px;color:#f5e6bf;margin-bottom:28px;max-width:650px}

.btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f2d487,#b98232);color:#120d05;border-radius:9px;padding:15px 52px;font-weight:900;box-shadow:0 8px 25px rgba(191,139,49,.35)}
.heroImage{width:100%;height:auto;border-radius:22px;object-fit:cover;display:block;margin:28px 0 0;box-shadow:0 20px 45px rgba(0,0,0,.42)}
.featureBar{max-width:1200px;margin:-48px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:18px 8% 28px;position:relative;z-index:5}
.feature{background:rgba(20,18,14,.86);border:1px solid rgba(212,164,74,.32);border-radius:16px;padding:20px 10px;text-align:center;color:#f3c979;font-size:15px;backdrop-filter:blur(8px)}
.feature .ico{display:block;font-size:30px;margin-bottom:7px}
.panel{max-width:1200px;margin:24px auto;padding:36px 30px;border-radius:24px;background:#f5f0e7;color:#131313;text-align:center}
.panel h2{margin:0 0 8px;font-size:32px}
.panel p{margin:0 0 16px;line-height:1.9;color:#333;font-size:17px}
.thumbGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px}
.thumb img{width:100%;height:180px;border-radius:14px;object-fit:cover}
.thumb b{display:block;margin-top:8px;font-size:17px}
.thumb span{font-size:14px;color:#555}
.darkPanel{max-width:1200px;margin:24px auto;padding:36px 30px;border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(212,164,74,.14)}
.darkPanel h2{margin:0 0 8px;color:#f3c979;text-align:center;font-size:32px}
.darkPanel p{line-height:1.9;color:#d8d0c0;font-size:17px}
.serviceGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.serviceCard{padding:22px;border-radius:15px;background:rgba(255,255,255,.06);border:1px solid rgba(212,164,74,.18)}
.serviceCard strong{display:block;color:#f3c979;font-size:20px;margin-bottom:6px}
.footer{padding:86px 16px 98px;text-align:center;color:#86785d;font-size:13px}
.floatKefu{position:fixed;right:36px;bottom:36px;width:120px;height:64px;border-radius:999px;background:linear-gradient(135deg,#f2d487,#b98232);color:#120d05;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;box-shadow:0 0 30px rgba(212,164,74,.55);z-index:100}
.bottomNav{display:none}
.pageHero{max-width:1200px;margin:0 auto;padding:60px 8% 20px}
.pageHero h1{font-size:42px;color:#f3c979;margin:0 0 8px}
.pageHero p{color:#d8d0c0;line-height:1.8;font-size:18px}
.mainPic{width:100%;height:430px;border-radius:20px;object-fit:cover;display:block;margin-top:20px}

@media(max-width:768px){
body{max-width:520px;margin:0 auto;background:#0b0b09}
.app{min-height:100vh;background:radial-gradient(circle at top,#1c1710,#070707 55%,#000)}
.header{padding:14px 16px}
.logo{font-size:20px}
.logoIcon{width:34px;height:34px}
.menuBtn{font-size:26px}
.hero{min-height:520px;padding:80px 18px 55px;text-align:left;background:linear-gradient(90deg,rgba(0,0,0,.78),rgba(0,0,0,.38)),url("images/meinv.jpg") center top/cover no-repeat}
.hero h1{font-size:32px;line-height:1.25;margin:0 0 10px;max-width:310px}
.hero .sub{font-size:22px;max-width:310px}
.hero .desc{font-size:14px;color:#f5e6bf;max-width:310px}
.btn{padding:13px 42px}
.heroImage{height:auto;border-radius:18px;margin:18px 0 0}
.featureBar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:8px 16px 18px;margin:-38px auto 0}
.feature{padding:12px 6px;font-size:12px}
.feature .ico{font-size:25px}
.panel{margin:14px 16px;padding:22px 16px;border-radius:20px}
.panel h2{font-size:23px}
.panel p{font-size:14px}
.thumbGrid{gap:9px}
.thumb img{height:88px;border-radius:12px}
.thumb b{font-size:14px}
.thumb span{font-size:12px}
.darkPanel{margin:14px 16px;padding:22px 16px;border-radius:20px}
.darkPanel h2{font-size:24px}
.darkPanel p{font-size:14px}
.serviceGrid{grid-template-columns:1fr 1fr;gap:12px}
.serviceCard{padding:16px}
.floatKefu{left:50%;right:auto;transform:translateX(-50%);bottom:18px;width:min(460px,calc(100% - 32px));height:58px;font-size:20px}
.bottomNav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(520px,100%);height:72px;background:rgba(4,4,4,.92);backdrop-filter:blur(10px);border-top:1px solid rgba(212,164,74,.16);display:grid;grid-template-columns:repeat(4,1fr);z-index:90;padding-bottom:8px}
.bottomNav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:12px;color:#d6c08f}
.bottomNav b{font-size:20px;color:#e7b95a}
.pageHero{padding:28px 16px 10px}
.pageHero h1{font-size:30px}
.pageHero p{font-size:16px}
.mainPic{height:245px;border-radius:18px}
}