*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;background:#0a0a0a;color:#e5e7eb;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.88);backdrop-filter:blur(14px);border-bottom:1px solid #1f2937}
.hd{display:flex;align-items:center;justify-content:space-between;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.14em;font-size:17px;color:#fff}
.logo span.dot{width:9px;height:9px;background:#fff;border-radius:2px;display:inline-block}
.nav-links{display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{padding:8px 12px;font-size:14px;color:#9ca3af;border-radius:6px;border:1px solid transparent;transition:.25s}
.nav-links a:hover{color:#fff;border-color:#374151;background:#111827}
/* hero */
#hero{padding:86px 0 66px;background:radial-gradient(circle at 78% -10%,#2b3444 0%,#0a0a0a 58%);border-bottom:1px solid #1f2937;position:relative;overflow:hidden}
#hero:after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,#374151,transparent)}
.kicker{font-size:12px;letter-spacing:.34em;color:#6b7280;text-transform:uppercase;margin-bottom:20px}
h1{font-size:clamp(28px,4.4vw,52px);line-height:1.18;font-weight:700;color:#fff;letter-spacing:-.01em;max-width:14em}
.hero-sub{margin-top:22px;color:#9ca3af;max-width:640px;font-size:16px}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:8px;font-size:14px;font-weight:600;letter-spacing:.05em;transition:.25s;border:1px solid #374151}
.btn-primary{background:#fff;color:#0a0a0a;border-color:#fff}
.btn-primary:hover{background:#e5e7eb}
.btn-ghost{color:#e5e7eb}
.btn-ghost:hover{border-color:#6b7280;background:#111827}
/* geo */
#geo-intro{padding:64px 0;border-bottom:1px solid #1f2937}
.geo-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
.geo-body p{margin-bottom:16px;color:#b3b9c4;font-size:15.5px}
.geo-body strong{color:#fff;font-weight:600}
.geo-aside{border:1px solid #1f2937;border-radius:12px;padding:26px;background:linear-gradient(180deg,#111827,#0c0c0c)}
.geo-aside h3{font-size:14px;letter-spacing:.18em;color:#6b7280;margin-bottom:18px;text-transform:uppercase}
.gline{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px dashed #1f2937;font-size:14px}
.gline:last-child{border-bottom:none}
.gline b{color:#fff}
.gline em{color:#6b7280;font-style:normal}
/* section base */
section{padding:70px 0;border-bottom:1px solid #1f2937}
.sec-head{margin-bottom:42px}
.sec-tag{font-size:12px;letter-spacing:.3em;color:#6b7280;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:clamp(22px,2.8vw,32px);color:#fff;font-weight:700}
.sec-head p{margin-top:12px;color:#8b93a1;max-width:680px;font-size:15px}
/* stats */
#data-stats{background:#0c0c0c}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{border:1px solid #1f2937;border-radius:12px;padding:26px 22px;background:#101418;transition:.25s}
.stat:hover{border-color:#4b5563;transform:translateY(-3px)}
.stat b{display:block;font-size:30px;color:#fff;font-weight:700;letter-spacing:-.02em}
.stat span{display:block;margin-top:8px;font-size:13px;color:#6b7280;letter-spacing:.05em}
/* brands / advantages cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid #1f2937;border-radius:12px;padding:28px;background:linear-gradient(180deg,#111418,#0b0b0b);transition:.28s}
.card:hover{border-color:#4b5563;background:#12171d}
.card h3{font-size:17px;color:#fff;margin-bottom:10px;font-weight:600}
.card p{font-size:14px;color:#8b93a1}
.card .num{font-size:12px;color:#4b5563;letter-spacing:.2em;margin-bottom:14px;display:block}
/* news */
#news-list{background:#080808}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-item{border:1px solid #1f2937;border-radius:12px;padding:26px;background:#0e1116;transition:.25s;display:flex;flex-direction:column}
.news-item:hover{border-color:#525c6b;background:#11161c}
.news-date{font-size:12px;color:#6b7280;letter-spacing:.08em;margin-bottom:12px}
.news-item h3{font-size:16.5px;color:#fff;line-height:1.5;margin-bottom:12px;font-weight:600}
.news-item p{font-size:14px;color:#8b93a1;flex:1}
.news-item .quote{margin-top:14px;padding-left:14px;border-left:2px solid #374151;font-size:13.5px;color:#9aa3b0;font-style:italic}
/* faq */
#faq{background:#0a0a0a}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{border:1px solid #1f2937;border-radius:12px;padding:24px;background:#0d1015}
.faq-item h3{font-size:15.5px;color:#fff;margin-bottom:12px;font-weight:600;line-height:1.55}
.faq-item p{font-size:13.8px;color:#8b93a1}
/* cta */
#cta{padding:76px 0;background:linear-gradient(120deg,#141a22,#0a0a0a);text-align:center;border-bottom:none}
#cta h2{font-size:clamp(22px,3vw,30px);color:#fff;margin-bottom:16px}
#cta p{color:#8b93a1;max-width:600px;margin:0 auto 30px;font-size:15px}
/* footer */
footer{background:#070707;border-top:1px solid #1f2937;padding:52px 0 30px;font-size:13.5px;color:#6b7280}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:34px}
.ft-grid h4{color:#e5e7eb;font-size:13px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:16px}
.ft-grid p,.ft-grid li{color:#6b7280;line-height:1.9;list-style:none}
.ft-grid a:hover{color:#fff}
.ft-bottom{border-top:1px solid #1f2937;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#4b5563;font-size:12.5px}
.ft-bottom a{color:#6b7280}
.ft-bottom a:hover{color:#fff}
@media(max-width:900px){
.geo-grid,.stats-grid,.cards,.news-grid,.faq-list,.ft-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.hd{height:auto;padding:14px 0;flex-direction:column;align-items:flex-start}
section{padding:54px 0}
#hero{padding:60px 0 46px}
}