/* ===== sakuracat 樱花猫 - 全球样式表 ===== */
:root{
  --c-brand:#ec4899;--c-brand-2:#f472b6;--c-brand-dark:#be185d;
  --c-navy:#141a2e;--c-navy-2:#1e2749;--c-navy-3:#283252;
  --c-gold:#fbbf24;--c-mint:#34d399;--c-red:#f43f5e;
  --c-text:#2b3040;--c-muted:#64748b;--c-white:#fff;
  --c-bg-soft:#fdf2f7;--c-line:#eef0f5;
  --shadow-sm:0 1px 2px rgba(20,26,46,.06),0 1px 3px rgba(20,26,46,.08);
  --shadow-md:0 8px 24px rgba(20,26,46,.10);
  --shadow-lg:0 16px 48px rgba(20,26,46,.16);
  --radius:14px;--radius-lg:22px;
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--c-text);background:var(--c-white);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,border-color .2s,transform .2s}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.25;color:var(--c-navy);font-weight:700}
.section{padding:72px 0}
.section--soft{background:var(--c-bg-soft)}
.section--navy{background:var(--c-navy);color:#dfe3f0}
.section--navy h2,.section--navy h3{color:#fff}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--c-brand);background:rgba(236,72,153,.1);padding:5px 14px;border-radius:999px;margin-bottom:14px;text-transform:uppercase}
.sec-head h2{font-size:32px;margin-bottom:12px}
.sec-head p{color:var(--c-muted);font-size:16px}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--c-navy)}
.brand img{width:34px;height:34px;border-radius:8px}
.brand span em{color:var(--c-brand);font-style:normal}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:8px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--c-text)}
.nav-links a:hover{color:var(--c-brand);background:var(--c-bg-soft)}
.nav-cta{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-dark));color:#fff!important;font-weight:700;box-shadow:var(--shadow-sm)}
.nav-cta:hover{color:#fff!important;transform:translateY(-1px)}
.nav-toggle{display:none;font-size:26px;color:var(--c-navy);cursor:pointer;user-select:none;line-height:1}
.nav-check{display:none}

/* ===== Hero ===== */
.hero{position:relative;background:radial-gradient(1200px 500px at 85% -10%,rgba(236,72,153,.16),transparent 60%),linear-gradient(180deg,#fff8fb,var(--c-bg-soft));overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:64px 0 72px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--c-navy);box-shadow:var(--shadow-sm);margin-bottom:20px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(52,211,153,.2)}
.hero h1{font-size:46px;letter-spacing:-.02em;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(135deg,var(--c-brand),#f97316);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--c-muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-weight:700;font-size:16px;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-dark));color:#fff;box-shadow:0 10px 24px rgba(236,72,153,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(236,72,153,.4)}
.btn-ghost{background:#fff;color:var(--c-navy);border:1.5px solid var(--c-line)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand)}
.btn-lg{padding:15px 32px;font-size:17px}
.hero-trust{display:flex;gap:22px;flex-wrap:wrap;color:var(--c-muted);font-size:14px}
.hero-trust b{color:var(--c-navy);font-size:18px;display:block}

/* 客户端模拟器 */
.sim{border-radius:18px;background:linear-gradient(160deg,var(--c-navy-2),var(--c-navy));box-shadow:var(--shadow-lg);padding:18px;position:relative;overflow:hidden}
.sim::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 80% 0%,rgba(236,72,153,.25),transparent 55%)}
.sim-bar{display:flex;align-items:center;gap:6px;padding-bottom:14px;position:relative}
.sim-bar i{width:11px;height:11px;border-radius:50%;display:block}
.sim-bar .r{background:#ff5f57}.sim-bar .y{background:#febc2e}.sim-bar .g{background:#28c840}
.sim-bar span{margin-left:10px;color:#8b93ad;font-size:12px}
.sim-body{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:18px}
.sim-status{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.sim-status .conn{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:15px}
.sim-status .conn .on{width:10px;height:10px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 10px rgba(52,211,153,.8)}
.sim-status .tag{font-size:12px;color:#9aa4c0;background:rgba(255,255,255,.06);padding:4px 10px;border-radius:999px}
.sim-node{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:12px 14px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.sim-node .l{color:#dfe3f0;font-size:14px;font-weight:600}
.sim-node .l small{display:block;color:#7c86a4;font-weight:400;font-size:12px}
.sim-node .ping{color:var(--c-mint);font-size:13px;font-weight:700}
.sim-node.sel{border-color:var(--c-brand);background:rgba(236,72,153,.08)}
.sim-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.sim-stat{background:rgba(255,255,255,.05);border-radius:10px;padding:12px;text-align:center}
.sim-stat b{display:block;color:#fff;font-size:20px}
.sim-stat small{color:#8b93ad;font-size:12px}
.sim-flag{font-size:18px}

/* ===== 公告 ===== */
.notice{background:linear-gradient(90deg,#fff7ed,#fff);border:1px solid #fde8cd;border-radius:var(--radius);padding:14px 18px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow-sm)}
.notice .ico{font-size:20px}
.notice b{color:#9a3412}
.notice p{color:#7c2d12;font-size:14.5px}

/* ===== 核心功能 ===== */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-brand-2)}
.feat .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;background:var(--c-bg-soft)}
.feat h3{font-size:19px;margin-bottom:10px}
.feat p{color:var(--c-muted);font-size:15px}

/* ===== 对比表 ===== */
.cmp{overflow-x:auto}
.cmp table{width:100%;border-collapse:collapse;min-width:720px;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.cmp th,.cmp td{padding:16px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--c-line)}
.cmp thead th{background:var(--c-navy);color:#fff;font-weight:600}
.cmp thead th.hl{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-dark))}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp td.yes{color:var(--c-mint);font-weight:700}
.cmp td.no{color:#cbd5e1}
.cmp td.name{font-weight:600;color:var(--c-navy)}

/* ===== 新闻 Tabs ===== */
.tabs{display:flex;gap:8px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.tab{background:#fff;border:1px solid var(--c-line);color:var(--c-muted);padding:9px 20px;border-radius:999px;font-weight:600;font-size:14.5px;cursor:pointer}
.tab:hover{color:var(--c-brand)}
.tab.active{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.news-panels .panel{display:none}
.news-panels .panel.default{display:grid}
.news-panels .panel:target{display:grid}
.news-panels:has(.panel:target) .panel.default{display:none}
.tabs:has(+ .news-panels #tab-product:target) a[href="#tab-product"]{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.tabs:has(+ .news-panels #tab-tech:target) a[href="#tab-tech"]{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.tabs:has(+ .news-panels #tab-guide:target) a[href="#tab-guide"]{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s,box-shadow .2s}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.ncard .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-soft)}
.ncard .thumb img{width:100%;height:100%;object-fit:cover}
.ncard .body{padding:18px}
.ncard .cat{font-size:12px;font-weight:700;color:var(--c-brand);background:rgba(236,72,153,.1);padding:3px 10px;border-radius:999px}
.ncard h3{font-size:17px;margin:10px 0 8px}
.ncard h3 a:hover{color:var(--c-brand)}
.ncard p{font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .meta{font-size:12.5px;color:#94a3b8;margin-top:10px}

/* ===== 评论 ===== */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rev{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:24px}
.rev .stars{color:var(--c-gold);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.rev p{font-size:15px;color:var(--c-text);margin-bottom:16px}
.rev .who{display:flex;align-items:center;gap:10px}
.rev .ava{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:16px}
.rev .who b{display:block;font-size:14.5px}
.rev .who small{color:var(--c-muted);font-size:12.5px}

/* ===== 下载区 ===== */
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:26px 18px;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s}
.dl:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-brand)}
.dl .ic{font-size:38px;margin-bottom:12px}
.dl h3{font-size:16px;margin-bottom:6px}
.dl small{color:var(--c-muted);display:block;margin-bottom:14px}
.dl a.btn{width:100%;font-size:14px;padding:11px}

/* ===== 信任背书 ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:24px 16px}
.trust-item .n{font-size:30px;font-weight:800;color:#fff}
.trust-item .n span{color:var(--c-gold)}
.trust-item small{color:#9aa4c0;font-size:13px}

/* ===== 应用场景 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:26px}
.scene .ic{font-size:30px;margin-bottom:12px}
.scene h3{font-size:17px;margin-bottom:8px}
.scene p{font-size:14.5px;color:var(--c-muted)}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-cat{margin-bottom:8px}
.faq-cat>h3{font-size:20px;padding:16px 0;border-bottom:2px solid var(--c-line);margin-bottom:6px;display:flex;align-items:center;gap:10px}
.faq details{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 20px;font-weight:600;color:var(--c-navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--c-brand);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 20px 20px;color:var(--c-muted);font-size:15px}
.faq .ans ol.steps{counter-reset:s;margin-top:10px}
.faq .ans ol.steps li{counter-increment:s;position:relative;padding:8px 0 8px 34px;border-top:1px dashed var(--c-line)}
.faq .ans ol.steps li:first-child{border-top:none}
.faq .ans ol.steps li::before{content:counter(s);position:absolute;left:0;top:8px;width:24px;height:24px;border-radius:50%;background:var(--c-bg-soft);color:var(--c-brand);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}

/* ===== CTA ===== */
.cta{background:linear-gradient(135deg,var(--c-navy-2),var(--c-navy));border-radius:var(--radius-lg);padding:52px 40px;text-align:center;color:#fff}
.cta h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta p{color:#aab3d0;margin-bottom:26px}
.cta .btn{font-size:17px}

/* ===== 页脚 ===== */
.footer{background:#0e1220;color:#8b93ad;padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer .brand{color:#fff}
.footer a{color:#8b93ad;display:block;padding:5px 0}
.footer a:hover{color:var(--c-brand-2)}
.footer .about-txt{max-width:320px;margin-top:12px;line-height:1.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}

/* ===== 面包屑 ===== */
.breadcrumb{background:var(--c-bg-soft);border-bottom:1px solid var(--c-line);padding:14px 0;font-size:13.5px;color:var(--c-muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:6px;color:#cbd5e1}

/* ===== 文章页 ===== */
.art-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;padding:44px 0 64px}
.article .art-head .cat{display:inline-block;font-size:13px;font-weight:700;color:var(--c-brand);background:rgba(236,72,153,.1);padding:4px 12px;border-radius:999px;margin-bottom:14px}
.article h1{font-size:34px;line-height:1.3;margin-bottom:16px}
.article .art-meta{color:var(--c-muted);font-size:14px;display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.article .cover{border-radius:var(--radius-lg);overflow:hidden;margin-bottom:28px;box-shadow:var(--shadow-md)}
.article .prose{font-size:16.5px;color:#333a4d}
.article .prose p{margin-bottom:20px;line-height:1.9}
.article .prose h2{font-size:24px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--c-brand)}
.article .prose figure{margin:24px 0}
.article .prose figure img{border-radius:12px}
.article .prose figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.article .prose .lead{font-size:18px;color:var(--c-navy);font-weight:500;background:var(--c-bg-soft);border-left:4px solid var(--c-gold);padding:16px 18px;border-radius:0 12px 12px 0}
.article .prose blockquote{background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-brand);padding:16px 18px;border-radius:0 12px 12px 0;margin:20px 0;color:var(--c-navy);font-style:italic}
.art-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--c-line)}
.art-nav a{font-size:14.5px;color:var(--c-muted)}
.art-nav a:hover{color:var(--c-brand)}
.art-nav a b{display:block;color:var(--c-navy);font-size:15px;margin-top:4px}
.art-comments{margin-top:36px}
.art-comments h2{font-size:20px;margin-bottom:18px}
.cmt{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--c-line)}
.cmt .ava{flex-shrink:0;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px}
.cmt b{font-size:14.5px}
.cmt .t{font-size:12.5px;color:#94a3b8;margin-left:8px}
.cmt p{font-size:14.5px;color:var(--c-text);margin-top:4px}

/* 侧边栏 */
.side{position:sticky;top:84px}
.side-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.side-box h3{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--c-line)}
.side-box ul li{border-bottom:1px dashed var(--c-line);padding:8px 0}
.side-box ul li:last-child{border-bottom:none}
.side-box ul a{font-size:14px;color:var(--c-muted);line-height:1.5;display:block}
.side-box ul a:hover{color:var(--c-brand)}
.side-box .hot-num{color:var(--c-brand);font-weight:800;margin-right:6px}
.side-box .cat-tag{display:inline-block;font-size:13px;padding:5px 12px;border-radius:999px;background:var(--c-bg-soft);color:var(--c-muted);margin:0 6px 8px 0}
.side-box .cat-tag:hover{background:var(--c-brand);color:#fff}
.toc{background:var(--c-bg-soft);border-radius:var(--radius);padding:18px}
.toc h3{font-size:15px;margin-bottom:12px}
.toc ol{counter-reset:t}
.toc ol li{counter-increment:t;padding:6px 0;font-size:14px}
.toc ol li a{color:var(--c-muted)}
.toc ol li a:hover{color:var(--c-brand)}
.toc ol li::before{content:counter(t,decimal-leading-zero);color:var(--c-brand);font-weight:700;margin-right:8px}

/* ===== 列表页 ===== */
.page-head{background:radial-gradient(800px 400px at 80% -10%,rgba(236,72,153,.14),transparent 60%),var(--c-bg-soft);padding:56px 0 44px;text-align:center}
.page-head h1{font-size:36px;margin-bottom:10px}
.page-head p{color:var(--c-muted);max-width:620px;margin:0 auto}

/* ===== sitemap ===== */
.smap{max-width:820px;margin:0 auto}
.smap h2{font-size:20px;margin:26px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--c-line)}
.smap ul li{padding:7px 0}
.smap ul a{color:var(--c-navy)}
.smap ul a:hover{color:var(--c-brand)}
.smap .depth-2{padding-left:22px}

/* ===== 404 ===== */
.err{min-height:72vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 20px}
.err .code{font-size:110px;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--c-brand),#f97316);-webkit-background-clip:text;background-clip:text;color:transparent}
.err h1{font-size:26px;margin:14px 0 10px}
.err p{color:var(--c-muted);margin-bottom:26px}
.err .count{color:var(--c-brand);font-weight:700}

/* 响应式 */
@media(max-width:980px){
  .hero-in{grid-template-columns:1fr;padding:40px 0 52px}
  .hero h1{font-size:34px}
  .feat-grid,.news-grid,.rev-grid,.scene-grid{grid-template-columns:1fr 1fr}
  .dl-grid{grid-template-columns:repeat(3,1fr)}
  .trust-grid{grid-template-columns:1fr 1fr}
  .art-layout{grid-template-columns:1fr}
  .side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-bottom:1px solid var(--c-line)}
  .nav-check:checked ~ .nav-links{display:flex}
  .nav-toggle{display:block}
  .feat-grid,.news-grid,.rev-grid,.scene-grid,.dl-grid,.trust-grid{grid-template-columns:1fr}
  .hero h1{font-size:29px}
  .sec-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
}