:root{
  --bg:#fff;--fg:#09090b;--muted:#f4f4f5;--muted-fg:#71717a;--border:#e4e4e7;
  --card:#fff;--primary:#18181b;--primary-fg:#fafafa;--accent:#f4f4f5;
  --green:#16a34a;--amber:#d97706;--red:#dc2626;--blue:#2563eb;
  --radius:8px;--shadow:0 1px 2px rgba(0,0,0,.04),0 12px 30px rgba(0,0,0,.06);--max:1220px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}.container{width:min(calc(100% - 32px),var(--max));margin:auto}
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.03em}
.logo{width:30px;height:30px;display:grid;place-items:center;background:#111;color:#fff;border-radius:6px;font-weight:800}.nav-links{display:flex;gap:26px;align-items:center;font-size:14px;color:#3f3f46}
.nav-links a:hover,.nav-links .active{color:#000;font-weight:700}.nav-actions{display:flex;gap:10px}.mobile-toggle{display:none}
.btn{height:40px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:6px;background:#fff;color:#111;font-size:14px;font-weight:700;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn-primary{background:#18181b;color:#fff;border-color:#18181b}.btn-lg{height:48px;padding:0 22px}.btn-ghost{border-color:transparent}
.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:#fff;border-radius:999px;padding:6px 10px;font-size:12px;color:#52525b}.dot{width:7px;height:7px;border-radius:50%;background:var(--green)}
.hero{padding:92px 0 72px;border-bottom:1px solid var(--border);background:radial-gradient(circle at 20% 0,rgba(24,24,27,.055),transparent 28%),linear-gradient(#fff,#fafafa)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}h1,h2,h3,h4{margin:0;line-height:1.14;letter-spacing:-.035em}h1{font-size:clamp(44px,6vw,74px);margin-top:20px}h2{font-size:clamp(30px,4vw,46px)}h3{font-size:21px}
.lead{font-size:18px;color:var(--muted-fg);max-width:760px;margin:22px 0 0}.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}.trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:#52525b;font-size:13px}
.panel{border:1px solid var(--border);border-radius:10px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.panel-top{height:42px;border-bottom:1px solid var(--border);background:#fafafa;display:flex;align-items:center;justify-content:space-between;padding:0 14px}
.window-dots{display:flex;gap:7px}.window-dots i{width:9px;height:9px;border-radius:50%;background:#d4d4d8}.panel-body{padding:18px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.metric{border:1px solid var(--border);border-radius:7px;padding:14px}.metric span{font-size:12px;color:var(--muted-fg)}.metric strong{display:block;font-size:22px;margin-top:3px}
.server-list{display:grid;gap:10px;margin-top:14px}.server{display:grid;grid-template-columns:1.2fr .7fr .7fr auto;align-items:center;gap:10px;border:1px solid var(--border);border-radius:7px;padding:12px}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px}.status i{width:7px;height:7px;border-radius:50%;background:var(--green)}
.strip{padding:24px 0;border-bottom:1px solid var(--border)}.strip-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.strip-item{text-align:center;color:#71717a;font-weight:700;font-size:13px}
.section{padding:86px 0}.section-muted{background:#fafafa;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-head{max-width:800px;margin-bottom:38px}.section-head p{font-size:17px;color:var(--muted-fg);margin:15px 0 0}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{border:1px solid var(--border);border-radius:8px;background:#fff;padding:24px;box-shadow:0 1px 1px rgba(0,0,0,.02)}.card:hover{box-shadow:var(--shadow)}.card p{color:var(--muted-fg);margin:10px 0 0}
.icon{width:40px;height:40px;border:1px solid var(--border);border-radius:7px;background:#fafafa;display:grid;place-items:center;font-weight:800;margin-bottom:18px}.card-link{display:inline-block;margin-top:18px;font-weight:700;font-size:14px}
.plan-card{position:relative;overflow:hidden}.plan-card.featured{border:2px solid #18181b}.ribbon{position:absolute;top:14px;right:14px;background:#111;color:#fff;border-radius:999px;padding:4px 8px;font-size:11px}
.price{font-size:38px;font-weight:800;letter-spacing:-.05em;margin-top:16px}.price small{font-size:13px;color:var(--muted-fg);font-weight:500}.specs{display:grid;gap:10px;margin:20px 0}.spec{display:flex;justify-content:space-between;border-bottom:1px dashed var(--border);padding-bottom:8px;font-size:14px}.spec span:last-child{font-weight:700}
.compare{overflow:auto;border:1px solid var(--border);border-radius:8px}.compare table{width:100%;border-collapse:collapse;min-width:820px}.compare th,.compare td{padding:15px 16px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}.compare th{background:#fafafa}.compare tr:last-child td{border-bottom:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.feature-list{display:grid;gap:14px;margin-top:24px}.feature-item{display:flex;gap:12px;align-items:flex-start}.check{width:22px;height:22px;border-radius:50%;background:#111;color:#fff;display:grid;place-items:center;flex:0 0 auto;font-size:12px;margin-top:2px}
.mapbox{min-height:380px;border:1px solid var(--border);border-radius:10px;background:linear-gradient(135deg,#fafafa,#e4e4e7);position:relative;overflow:hidden}.mapbox:before,.mapbox:after{content:"";position:absolute;border:1px solid #d4d4d8;border-radius:50%}.mapbox:before{width:320px;height:320px;left:40px;top:20px}.mapbox:after{width:220px;height:220px;right:30px;bottom:-40px}.pin{position:absolute;width:14px;height:14px;border-radius:50%;background:#111;box-shadow:0 0 0 7px rgba(24,24,27,.08)}.pin:after{content:attr(data-label);position:absolute;left:20px;top:-5px;white-space:nowrap;font-size:12px;font-weight:700}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:8px;overflow:hidden}.stat{padding:28px;text-align:center;border-right:1px solid var(--border)}.stat:last-child{border-right:0}.stat strong{display:block;font-size:34px}.stat span{font-size:13px;color:var(--muted-fg)}
.review-score{display:flex;align-items:center;gap:18px}.score{font-size:54px;font-weight:800}.stars{letter-spacing:2px}.bar-row{display:grid;grid-template-columns:90px 1fr 40px;gap:12px;align-items:center;margin-top:12px;font-size:13px}.bar{height:8px;background:#e4e4e7;border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;background:#18181b}
.quote{font-size:17px}.person{display:flex;align-items:center;gap:12px;margin-top:22px}.avatar{width:42px;height:42px;border-radius:50%;background:#e4e4e7}.person small{display:block;color:var(--muted-fg)}
.deal{display:flex;justify-content:space-between;gap:24px;align-items:center}.coupon{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border:1px dashed #a1a1aa;padding:8px 12px;border-radius:6px;background:#fafafa}
.timeline{display:grid;gap:0}.timeline-item{display:grid;grid-template-columns:80px 1fr;gap:18px}.timeline-left{position:relative;text-align:center}.timeline-left:after{content:"";position:absolute;width:1px;background:var(--border);top:34px;bottom:-10px;left:50%}.timeline-item:last-child .timeline-left:after{display:none}.timeline-num{width:34px;height:34px;border-radius:50%;background:#111;color:#fff;display:grid;place-items:center;margin:auto;font-size:13px}.timeline-content{padding-bottom:28px}
.faq{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-q{width:100%;background:none;border:0;padding:20px 0;display:flex;justify-content:space-between;text-align:left;font-weight:800;cursor:pointer}.faq-a{display:none;padding:0 0 20px;color:var(--muted-fg);max-width:900px}.faq-item.open .faq-a{display:block}
.cta{background:#18181b;color:#fff;border-radius:10px;padding:54px}.cta p{color:#d4d4d8;max-width:760px}.cta .btn{background:#fff;color:#111}
.page-hero{padding:72px 0;border-bottom:1px solid var(--border);background:#fafafa}.breadcrumb{font-size:13px;color:var(--muted-fg);margin-bottom:14px}.page-hero p{font-size:18px;color:var(--muted-fg);max-width:800px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.tag{display:inline-flex;border:1px solid var(--border);border-radius:999px;padding:5px 9px;background:#fafafa;color:#52525b;font-size:12px}.article-card .thumb{height:180px;background:linear-gradient(135deg,#e4e4e7,#fafafa);border-radius:6px;margin-bottom:18px}.meta{font-size:13px;color:var(--muted-fg);margin-bottom:8px}
.content{max-width:880px}.content h2{font-size:31px;margin:38px 0 14px}.content h3{margin:28px 0 10px}.content p,.content li{color:#52525b}.notice{border:1px solid var(--border);border-radius:7px;padding:15px 16px;background:#fafafa;color:#52525b;font-size:14px}
.form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:12px 13px;background:#fff;outline:none}.field textarea{min-height:150px}.field input:focus,.field select:focus,.field textarea:focus{border-color:#18181b;box-shadow:0 0 0 3px rgba(24,24,27,.08)}
.footer{padding:56px 0 26px;border-top:1px solid var(--border);background:#fafafa}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:32px}.footer h4{margin-bottom:14px}.footer a{display:block;color:#71717a;font-size:14px;margin:9px 0}.footer-bottom{border-top:1px solid var(--border);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;color:#71717a;font-size:13px}
@media(max-width:920px){.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.mobile-toggle{display:inline-flex}.nav-actions .btn:first-child{display:none}.hero-grid,.split,.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.strip-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--border)}}
@media(max-width:620px){.hero{padding:62px 0 48px}h1{font-size:42px}.section{padding:62px 0}.grid-3,.grid-4,.metrics,.form-row{grid-template-columns:1fr}.strip-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px}.server{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--border)}.stat:last-child{border-bottom:0}.cta{padding:34px 24px}.deal{align-items:flex-start;flex-direction:column}}