/* V6 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --c-deep:#2c2c2c;
  --c-main:#78716c;
  --c-main2:#57534e;
  --c-accent:#d97706;
  --c-steel:#78716c;
  --c-bg:#f5f5f4;
  --c-card:#ffffff;
  --c-text:#292524;
  --c-muted:#78716c;
  --c-line:#e7e5e4;
  --c-gold:#d97706;
  --shadow:0 10px 30px rgba(10,37,64,.08);
  --shadow2:0 18px 50px rgba(10,37,64,.14);
  --max:1200px;
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Helvetica Neue",Arial,sans-serif;color:var(--c-text);background:#fff;line-height:1.7;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.topbar{background:var(--c-deep);color:#c9d6e8;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topbar a{color:#c9d6e8}.topbar a:hover{color:var(--c-gold)}
.topbar .biz-links{display:flex;gap:14px;flex-wrap:wrap}.topbar .biz-links a{font-size:12px;opacity:.85}.topbar .biz-links a:hover{opacity:1;color:var(--c-accent)}
.hero{position:relative;background:linear-gradient(135deg,#1a1a1a 0%,#2c2c2c 45%,#44403c 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 35%,rgba(120,113,108,.4),transparent 45%),radial-gradient(circle at 75% 65%,rgba(217,119,6,.25),transparent 40%);animation:pulse 8s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:50px 50px;mask-image:linear-gradient(180deg,transparent,#000 40%,#000 70%,transparent)}
@keyframes pulse{0%{opacity:.6;transform:scale(1)}100%{opacity:1;transform:scale(1.08)}}
.nav{position:relative;z-index:5;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:baseline;color:#fff;font-weight:800;letter-spacing:1px}
.logo .brand{font-size:26px;background:linear-gradient(90deg,#fff,#bcd4ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo .reg{font-size:11px;vertical-align:super;color:var(--c-gold);margin-left:2px;font-weight:700}
.logo .sep{margin:0 12px;color:rgba(255,255,255,.35);font-size:24px;font-weight:300}
.logo .biz{font-size:22px;color:var(--c-accent);font-weight:700}
.menu{display:flex;align-items:center;gap:6px;list-style:none}
.menu a{color:#d6e3f5;padding:10px 16px;border-radius:8px;font-size:15px;font-weight:500;position:relative}
.menu a::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;background:var(--c-accent);transition:.3s;transform:translateX(-50%)}
.menu a:hover{color:#fff;background:rgba(255,255,255,.06)}.menu a:hover::after{width:60%}
.nav-cta{background:var(--c-accent);color:#fff!important;padding:10px 22px!important;border-radius:30px;font-weight:600}
.nav-cta:hover{background:#ff8559;transform:translateY(-1px);box-shadow:0 6px 18px rgba(255,107,53,.4)}.nav-cta::after{display:none}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}.burger span{width:26px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.banner{position:relative;z-index:4;padding:80px 0 100px;text-align:center;color:#fff}
.banner .tag{display:inline-block;padding:6px 18px;border:1px solid rgba(255,255,255,.25);border-radius:30px;font-size:13px;color:#bcd4ff;margin-bottom:24px;backdrop-filter:blur(6px);animation:fadeUp .8s ease both}
.banner h1{font-size:54px;font-weight:900;line-height:1.2;letter-spacing:2px;margin-bottom:22px;animation:fadeUp .9s .1s ease both}
.banner h1 em{font-style:normal;color:var(--c-accent);position:relative}.banner h1 em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:rgba(255,107,53,.25);z-index:-1}
.banner .sub{font-size:19px;color:#c9d6e8;margin-bottom:14px;animation:fadeUp 1s .2s ease both}
.banner .desc{font-size:15px;color:#9fb3d1;max-width:720px;margin:0 auto 38px;animation:fadeUp 1.1s .3s ease both}
.banner-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;animation:fadeUp 1.2s .4s ease both}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:30px;font-weight:600;font-size:15px;transition:.3s;cursor:pointer;border:none}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 24px rgba(255,107,53,.4)}.btn-primary:hover{background:#ff8559;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,107,53,.5)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.stats{position:relative;z-index:5;background:rgba(255,255,255,.05);border-top:1px solid rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);padding:28px 0;text-align:center}
.stats .num{font-size:38px;font-weight:900;color:var(--c-gold);line-height:1}.stats .num small{font-size:18px;margin-left:2px}.stats .lbl{font-size:13px;color:#bcd4ff;margin-top:8px}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.section{padding:80px 0}.section.alt{background:var(--c-bg)}
.sec-head{text-align:center;margin-bottom:54px}
.sec-head .eyebrow{display:inline-block;font-size:13px;color:var(--c-accent);font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:38px;font-weight:900;color:var(--c-deep);letter-spacing:1px}.sec-head h2 span{color:var(--c-main)}
.sec-head .line{width:60px;height:4px;background:var(--c-accent);margin:18px auto 0;border-radius:2px}
.sec-head p{color:var(--c-muted);margin-top:16px;font-size:15px;max-width:680px;margin-left:auto;margin-right:auto}
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.biz-card{background:var(--c-card);border-radius:14px;padding:36px 30px;box-shadow:var(--shadow);border:1px solid var(--c-line);transition:.3s;position:relative;overflow:hidden}
.biz-card::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:linear-gradient(var(--c-main),var(--c-accent));transform:scaleY(0);transform-origin:top;transition:.3s}
.biz-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2);border-color:transparent}.biz-card:hover::before{transform:scaleY(1)}
.biz-ico{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,#f0efed,#e7e5e4);display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:.3s}
.biz-card:hover .biz-ico{background:linear-gradient(135deg,var(--c-main),var(--c-main2));transform:rotate(-6deg) scale(1.05)}
.biz-ico svg{width:32px;height:32px;stroke:var(--c-main);transition:.3s}.biz-card:hover .biz-ico svg{stroke:#fff}
.biz-card h3{font-size:21px;font-weight:800;color:var(--c-deep);margin-bottom:10px}.biz-card p{color:var(--c-muted);font-size:14px;line-height:1.8}
.biz-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px}.biz-tags span{font-size:12px;color:var(--c-main);background:#eaf2fe;padding:4px 10px;border-radius:20px}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-item{text-align:center;padding:30px 20px;border-radius:14px;background:#fff;border:1px solid var(--c-line);transition:.3s}
.adv-item:hover{background:linear-gradient(180deg,#fff,#f8fbff);transform:translateY(-6px);box-shadow:var(--shadow)}
.adv-num{font-size:42px;font-weight:900;color:var(--c-main);opacity:.18;line-height:1}
.adv-item h4{font-size:18px;color:var(--c-deep);margin:10px 0 8px;font-weight:700}.adv-item p{font-size:13px;color:var(--c-muted)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--c-line);transition:.3s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.case-img{position:relative;overflow:hidden;aspect-ratio:4/3;background:#eef3fa}.case-img img{width:100%;height:100%;object-fit:cover;transition:.5s}.case-card:hover .case-img img{transform:scale(1.08)}
.case-img .badge{position:absolute;top:12px;left:12px;background:rgba(10,37,64,.78);color:#fff;font-size:12px;padding:4px 10px;border-radius:20px;backdrop-filter:blur(6px)}
.case-info{padding:18px 20px}.case-info h4{font-size:16px;color:var(--c-deep);font-weight:700;margin-bottom:6px}.case-info p{font-size:13px;color:var(--c-muted);line-height:1.7}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;transition:.3s;overflow:hidden}.faq-item:hover{border-color:var(--c-main);box-shadow:var(--shadow)}
.faq-q{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;font-weight:700;color:var(--c-deep);font-size:15px;list-style:none}.faq-q::-webkit-details-marker{display:none}
.faq-q .ico{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:#eaf2fe;color:var(--c-main);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;transition:.3s}
.faq-item[open] .faq-q .ico{background:var(--c-accent);color:#fff;transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;color:var(--c-muted);font-size:14px;line-height:1.85;border-top:1px dashed var(--c-line);padding-top:16px}
.about-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:50px;align-items:center}
.about-img{border-radius:18px;overflow:hidden;box-shadow:var(--shadow2);position:relative}.about-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-img .exp{position:absolute;bottom:20px;left:20px;background:rgba(255,255,255,.95);padding:18px 24px;border-radius:12px;backdrop-filter:blur(8px)}
.about-img .exp b{font-size:34px;color:var(--c-accent);font-weight:900}.about-img .exp span{font-size:13px;color:var(--c-muted)}
.about-text h2{font-size:34px;font-weight:900;color:var(--c-deep);margin-bottom:8px}.about-text .en{color:var(--c-main);font-size:14px;letter-spacing:2px;margin-bottom:22px;font-weight:600}
.about-text p{color:#4a5a70;font-size:15px;line-height:2;margin-bottom:16px}
.about-feat{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.about-feat div{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-deep);font-weight:600}
.about-feat div::before{content:"";width:22px;height:22px;border-radius:50%;background:var(--c-accent);flex-shrink:0;box-shadow:0 0 0 4px rgba(255,107,53,.18);position:relative}
.about-feat div::after{content:"✓";position:absolute;color:#fff;font-size:13px;font-weight:900;margin-left:4px}
.contact-wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;background:linear-gradient(135deg,#0a2540,#0d3a78);border-radius:20px;padding:50px;color:#fff}
.contact-info h3{font-size:28px;font-weight:900;margin-bottom:8px}.contact-info .en{color:var(--c-gold);font-size:13px;letter-spacing:2px;margin-bottom:24px}
.contact-list{list-style:none}.contact-list li{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:15px}.contact-list li:last-child{border-bottom:none}
.contact-list .ico{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-list .ico svg{width:18px;height:18px;stroke:var(--c-gold)}.contact-list .lbl{font-size:12px;color:#9fb3d1;margin-bottom:2px}.contact-list .val{color:#fff;font-weight:600}.contact-list a.val:hover{color:var(--c-accent)}
.qr-box{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.qr-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px;text-align:center;backdrop-filter:blur(8px)}
.qr-card img{width:140px;height:140px;border-radius:10px;margin:0 auto 12px;background:#fff;padding:6px}
.qr-card .ttl{font-size:14px;color:#fff;font-weight:600}.qr-card .sub{font-size:12px;color:#9fb3d1;margin-top:4px}
.flink{padding:50px 0;background:#0a1830;color:#9fb3d1}.flink h3{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700}
.flink-list{display:flex;flex-wrap:wrap;gap:12px}.flink-list a{font-size:13px;color:#9fb3d1;padding:6px 14px;border:1px solid rgba(255,255,255,.1);border-radius:20px;transition:.3s}.flink-list a:hover{color:#fff;border-color:var(--c-accent);background:rgba(255,107,53,.12)}
.footer{background:#060f20;color:#7a8ba5;padding:36px 0;text-align:center;font-size:13px;line-height:2}.footer a{color:#7a8ba5}.footer a:hover{color:var(--c-gold)}
.footer .links{margin-bottom:12px}.footer .links a{margin:0 8px}
.footer .city-links{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.06)}
.footer .city-links a{display:inline-block;margin:4px 10px;font-size:13px;color:#9fb3d1;transition:.3s}.footer .city-links a:hover{color:var(--c-accent)}
.footer .copy{border-top:1px solid rgba(255,255,255,.06);padding-top:18px;margin-top:14px}
.tech-support{margin-top:10px;font-size:12px;color:#6b7c93}
.tech-support a{color:#6b7c93;transition:.25s}
.tech-support a:hover{color:var(--c-gold)}
.float-contact{position:fixed;right:20px;bottom:30px;z-index:50;display:flex;flex-direction:column;gap:12px}
.float-contact a{width:54px;height:54px;border-radius:50%;background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(255,107,53,.4);transition:.3s}
.float-contact a:hover{transform:translateY(-4px) scale(1.06)}.float-contact a svg{width:24px;height:24px;stroke:#fff}
.float-contact .top{background:var(--c-deep)}
@media(max-width:980px){.menu{display:none;position:absolute;top:74px;left:0;right:0;background:#0a2540;flex-direction:column;padding:14px;gap:4px;border-top:1px solid rgba(255,255,255,.08)}.menu.open{display:flex}.menu a{width:100%;padding:14px}.burger{display:flex}.banner h1{font-size:34px}.banner .sub{font-size:16px}.stats-inner{grid-template-columns:repeat(2,1fr);gap:20px}.biz-grid,.case-grid,.adv-grid{grid-template-columns:1fr 1fr}.about-wrap{grid-template-columns:1fr;gap:30px}.contact-wrap{grid-template-columns:1fr;padding:36px}.sec-head h2{font-size:28px}}
@media(max-width:560px){.biz-grid,.case-grid,.adv-grid,.faq-grid,.about-feat,.qr-box{grid-template-columns:1fr}.banner{padding:50px 0 70px}.banner h1{font-size:27px;letter-spacing:0}.section{padding:56px 0}.topbar .biz-links{display:none}.flink-list a{font-size:12px}}