/* 旋风加速器 - 全站样式 */
:root{--bg:#0a1428;--bg2:#0e1c38;--card:#122347;--card2:#182d57;--line:#1f3a6e;--txt:#e8f0ff;--mut:#8ba3c9;--brand:#00c6ff;--brand2:#0072ff;--accent:#ff8a2a;--ok:#2fd67a;--radius:16px;--shadow:0 18px 50px rgba(0,0,0,.45)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
/* 顶部 */
.topbar{position:sticky;top:0;z-index:50;background:rgba(10,20,40,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo img{width:34px;height:34px;border-radius:8px}
.logo b{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.menu{display:flex;align-items:center;gap:22px;font-size:15px}
.menu a{color:var(--mut);transition:.2s}
.menu a:hover{color:var(--brand)}
.lang{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid var(--line);border-radius:20px;font-size:13px;color:var(--txt)}
.lang:hover{border-color:var(--brand);color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:28px;font-weight:700;font-size:15px;transition:.2s;cursor:pointer}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#04121f;box-shadow:0 8px 24px rgba(0,150,255,.35)}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,150,255,.5)}
.btn-ghost{border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:linear-gradient(135deg,#ffb04d,var(--accent));color:#2b1200;box-shadow:0 8px 24px rgba(255,138,42,.35)}
.btn-accent:hover{transform:translateY(-2px)}
/* Hero */
.hero{position:relative;padding:70px 0 60px;background:radial-gradient(1200px 500px at 70% -10%,rgba(0,150,255,.28),transparent 60%),radial-gradient(800px 400px at 10% 20%,rgba(0,198,255,.12),transparent)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:44px;line-height:1.2;font-weight:900;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(90deg,var(--brand),#7ae0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:18px;color:var(--mut);margin-bottom:26px;max-width:540px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hstat b{display:block;font-size:26px;color:var(--brand)}
.hstat span{font-size:13px;color:var(--mut)}
/* 客户端模拟器 */
.mock{background:linear-gradient(160deg,#0d1830,#101f40);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(0,0,0,.3);border-bottom:1px solid var(--line)}
.dot{width:11px;height:11px;border-radius:50%}
.mock-body{padding:20px}
.mock-status{display:flex;align-items:center;justify-content:space-between;background:var(--card);border-radius:12px;padding:14px 16px;margin-bottom:16px}
.mock-status .sname{font-weight:700}
.mock-status .ping{color:var(--ok);font-weight:700}
.mock-line{height:10px;border-radius:6px;background:var(--card2);margin-bottom:10px;position:relative;overflow:hidden}
.mock-line span{position:absolute;inset:0;background:linear-gradient(90deg,var(--brand),var(--brand2));width:72%;border-radius:6px}
.mock-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.mock-cell{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.mock-cell b{display:block;color:var(--brand);font-size:18px}
.mock-cell span{font-size:12px;color:var(--mut)}
/* 通用 section */
.sec{padding:64px 0}
.sec.alt{background:var(--bg2)}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head h2{font-size:32px;font-weight:800;margin-bottom:10px}
.sec-head p{color:var(--mut);font-size:16px}
.kicker{display:inline-block;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
/* 卡片网格 */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:0 14px 34px rgba(0,150,255,.2)}
.card .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;background:linear-gradient(135deg,rgba(0,198,255,.16),rgba(0,114,255,.16))}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--mut);font-size:15px}
/* 公告 */
.notice{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:12px;padding:18px 22px;margin-bottom:16px}
.notice .tag{color:var(--accent);font-weight:700;margin-right:10px}
/* 对比表 */
table.cmp{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden}
table.cmp th,table.cmp td{padding:16px;text-align:center;border-bottom:1px solid var(--line)}
table.cmp th{background:var(--card2);color:var(--txt);font-weight:700}
table.cmp td:first-child,table.cmp th:first-child{text-align:left}
table.cmp tr:last-child td{border-bottom:none}
.yes{color:var(--ok);font-weight:700}
.no{color:#ff6b6b}
/* 新闻 */
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:block}
.news-card:hover{border-color:var(--brand);transform:translateY(-4px)}
.news-card .nc-img{height:150px;background:linear-gradient(135deg,var(--card2),var(--bg2));display:flex;align-items:center;justify-content:center;font-size:40px}
.news-card .nc-body{padding:20px}
.news-card .nc-meta{font-size:12px;color:var(--mut);margin-bottom:8px}
.news-card h3{font-size:17px;margin-bottom:8px;line-height:1.4}
/* 评论 */
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.review .rv-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));display:flex;align-items:center;justify-content:center;font-weight:800;color:#04121f}
.stars{color:#ffc53d;letter-spacing:2px}
.review p{color:var(--mut);font-size:15px}
/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-item summary{padding:18px 22px;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:22px;color:var(--brand)}
.faq-item[open] summary:after{content:"–"}
.faq-body{padding:0 22px 20px;color:var(--mut)}
.faq-body ol{padding-left:20px;margin-top:8px}
.faq-body li{margin-bottom:8px}
/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;transition:.25s}
.dl-card:hover{border-color:var(--brand);transform:translateY(-4px)}
.dl-card .os{font-size:34px;margin-bottom:12px}
.dl-card h3{font-size:16px;margin-bottom:6px}
.dl-card p{font-size:13px;color:var(--mut);margin-bottom:16px}
/* 面包屑 */
.crumb{font-size:14px;color:var(--mut);padding:18px 0}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--txt)}
/* 页脚 */
footer{background:#070f1f;border-top:1px solid var(--line);padding:50px 0 30px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.foot-col h4{font-size:15px;margin-bottom:14px;color:var(--txt)}
.foot-col a{display:block;color:var(--mut);font-size:14px;margin-bottom:8px}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{border-top:1px solid var(--line);padding-top:20px;font-size:13px;color:var(--mut);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
/* CTA */
.cta{background:linear-gradient(135deg,#0e2b5a,#0a3d7a);border:1px solid var(--line);border-radius:22px;padding:54px 40px;text-align:center}
.cta h2{font-size:30px;margin-bottom:14px}
.cta p{color:var(--mut);margin-bottom:26px}
/* 文章正文 */
.article{max-width:820px;margin:0 auto}
.article h1{font-size:32px;line-height:1.35;margin-bottom:14px}
.article .meta{color:var(--mut);font-size:14px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article h2{font-size:24px;margin:32px 0 14px;padding-left:12px;border-left:4px solid var(--brand)}
.article p{margin-bottom:16px;color:#c9d6ee;line-height:1.9}
.article table{width:100%;border-collapse:collapse;margin:20px 0;background:var(--card);border-radius:12px;overflow:hidden}
.article table th,.article table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.article table th{background:var(--card2)}
.article figure{margin:24px 0}
.article figure figcaption{font-size:13px;color:var(--mut);margin-top:8px;text-align:center}
/* 文章侧栏 */
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.side h4{font-size:16px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--brand)}
.side-list{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:24px}
.side-list a{display:block;padding:8px 0;font-size:14px;color:var(--mut);border-bottom:1px solid var(--line)}
.side-list a:last-child{border-bottom:none}
.side-list a:hover{color:var(--brand)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:10px}
/* 响应式 */
@media(max-width:960px){
.hero-grid{grid-template-columns:1fr}
.menu{display:none}
.g4,.g3,.g2,.dl-grid,.related{grid-template-columns:1fr}
.article-wrap{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr 1fr}
.hero h1{font-size:32px}
}