:root{--bg:#f6f8fb;--ink:#142033;--muted:#647084;--line:#dde5ef;--card:#fff;--a:#2563eb;--b:#06b6d4;--dark:#0b1424}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.72}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav{min-height:74px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-weight:900}.brand img{max-height:38px}.nav nav{margin-left:auto;display:flex;gap:18px;font-weight:800;color:var(--muted)}.nav-btn,.btn{display:inline-flex;min-height:42px;align-items:center;justify-content:center;border-radius:6px;padding:0 18px;font-weight:900}.nav-btn,.btn.primary{background:var(--a);color:#fff}.btn.ghost{border:1px solid rgba(255,255,255,.45);color:#fff}.actions{display:flex;gap:12px;margin-top:26px}.lead{font-size:18px;color:rgba(255,255,255,.78);max-width:700px}.eyebrow,.section-title p,.page-hero p{font-weight:900;color:var(--b);margin:0 0 10px}
.hero{color:#fff}.theme-power-hero{background:linear-gradient(135deg,#061526,#123d77 56%,#2563eb)}.theme-proton-hero{background:linear-gradient(135deg,#201245,#4c1d95 58%,#7c3aed)}.theme-ti-hero{background:linear-gradient(135deg,#082f49,#155e75 55%,#0ea5e9)}.theme-privado-hero{background:linear-gradient(135deg,#06281f,#0f766e 55%,#22c55e)}.theme-vipn-hero{background:linear-gradient(135deg,#132033,#334155 55%,#14b8a6)}.theme-lightx-hero{background:linear-gradient(135deg,#111827,#1d4ed8 58%,#38bdf8)}.theme-know-hero{background:linear-gradient(135deg,#111827,#3f3f46 58%,#0f766e)}.theme-wget-hero{background:linear-gradient(135deg,#04111f,#0f3b64 58%,#06b6d4)}.theme-boost-hero{background:linear-gradient(135deg,#140b2d,#312e81 56%,#0891b2)}.theme-bitz-hero{background:linear-gradient(135deg,#151515,#374151 55%,#b45309)}
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.stat-grid,.feature-grid,.article-cards,.device-grid,.plan-grid{display:grid;gap:18px;padding:62px 0}.stat-grid{grid-template-columns:repeat(4,1fr);padding-top:30px}.feature-grid,.article-cards,.plan-grid{grid-template-columns:repeat(3,1fr)}.device-grid{grid-template-columns:repeat(4,1fr)}article,.device-grid a,.content,aside{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:26px}.stat-grid strong,.feature-grid b{display:block;font-size:32px;color:var(--a)}article p,.content,.faq-list p{color:var(--muted)}.band{background:#edf4fb;padding-bottom:10px}.section-title{text-align:center;padding:58px 0 0}.section-title h2{font-size:38px;margin:0}.featured{border-color:var(--a);box-shadow:0 18px 50px rgba(37,99,235,.15)}.more,.plan-grid a{color:var(--a);font-weight:900}
.page-hero{background:var(--dark);color:#fff}.page-hero .wrap{padding:82px 0}.page-hero h1{font-size:44px;margin:0 0 8px}.page-hero span{color:rgba(255,255,255,.72)}.article-list,.faq-list{display:grid;gap:18px;padding:56px 0 76px}.show-grid{display:grid;grid-template-columns:1fr 280px;gap:24px;padding:56px 0 80px}aside{align-self:start}aside a,.site-footer a{display:block;margin:8px 0;color:var(--muted)}
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