:root{
  --g900:#0a4a36;--g700:#0B6B4F;--g600:#0f7d5c;--g500:#17A673;--g400:#2fbf8a;
  --g100:#E8F5EE;--g50:#F3FAF6;--tea:#C8A45C;--tea-d:#a8862f;
  --ink:#1F2A26;--muted:#5C6B64;--line:#E2E8E4;--white:#fff;--bg:#fafcfb;
  --r:16px;--shadow:0 8px 30px rgba(11,107,79,.10);--shadow-lg:0 20px 50px rgba(11,107,79,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--g600);text-decoration:none;transition:color .2s}
a:hover{color:var(--g500)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:64px 0}
h1,h2,h3,h4{line-height:1.3;color:var(--g900);font-weight:700}
h2{font-size:32px;margin-bottom:12px}
h3{font-size:20px;margin-bottom:8px}
.section-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--g600);background:var(--g100);padding:5px 14px;border-radius:30px;margin-bottom:14px;letter-spacing:.5px}
.section-sub{color:var(--muted);font-size:17px;max-width:640px;margin-bottom:36px}
.center{text-align:center}
.center .section-sub{margin-left:auto;margin-right:auto}
.section-head{margin-bottom:40px}
/* ---------- 头部导航 ---------- */
.topbar{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
.nav{display:flex;align-items:center;height:68px;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--g900)}
.brand img{width:36px;height:36px;border-radius:8px}
.brand span b{color:var(--g700)}
.nav-links{display:flex;gap:24px;margin-left:8px}
.nav-links a{color:var(--ink);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--g600)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:10px;font-weight:600;font-size:15px;line-height:1;cursor:pointer;border:0}
.btn-primary{background:var(--g700);color:#fff}
.btn-primary:hover{background:var(--g600);color:#fff}
.btn-outline{background:transparent;color:var(--g700);border:1.5px solid var(--g500)}
.btn-outline:hover{background:var(--g100)}
.btn-gold{background:var(--tea);color:#fff}
.btn-gold:hover{background:var(--tea-d);color:#fff}
.btn-lg{padding:15px 30px;font-size:17px;border-radius:12px}
.btn-sm{padding:8px 16px;font-size:14px}
/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,#063c2b 0%,#0B6B4F 55%,#128a63 100%);color:#fff;padding:80px 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1{color:#fff;font-size:44px;margin-bottom:16px}
.hero h1 .hl{color:#7ce0b5}
.hero .lead{color:rgba(255,255,255,.88);font-size:18px;max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.82)}
.hero-meta b{display:block;font-size:24px;color:#fff}
/* 客户端模拟器 */
.simulator{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:18px;backdrop-filter:blur(8px);box-shadow:var(--shadow-lg)}
.sim-titlebar{display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.14)}
.sim-dot{width:12px;height:12px;border-radius:50%}
.sim-titlebar span{color:rgba(255,255,255,.7);font-size:12px;margin-left:8px}
.sim-body{padding:20px 6px 8px}
.sim-status{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.sim-ring{width:74px;height:74px;border-radius:50%;border:5px solid #7ce0b5;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff;box-shadow:0 0 0 6px rgba(124,224,181,.15)}
.sim-status-text b{font-size:18px;display:block}
.sim-status-text small{color:rgba(255,255,255,.65)}
.sim-row{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.07);border-radius:10px;padding:12px 14px;margin-bottom:10px;font-size:14px}
.sim-row .lab{color:rgba(255,255,255,.7)}
.sim-row .val{font-weight:600;color:#fff}
.sim-connect{width:100%;margin-top:16px}
.pill-green{background:rgba(124,224,181,.18);color:#7ce0b5;padding:3px 10px;border-radius:20px;font-size:12px}
/* ---------- 公告 ---------- */
.notice{background:var(--g100);border:1px solid #d6ece1;border-radius:var(--r);padding:16px 20px;display:flex;align-items:center;gap:14px}
.notice .tag{background:var(--tea);color:#fff;padding:4px 12px;border-radius:6px;font-size:13px;font-weight:600;white-space:nowrap}
.notice a{color:var(--g900);font-weight:500}
/* ---------- 功能卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:12px;background:var(--g100);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
/* ---------- 对比表 ---------- */
.compare{overflow-x:auto}
.compare table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.compare th,.compare td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line)}
.compare thead th{background:var(--g700);color:#fff;font-weight:600}
.compare thead th.hl{background:var(--tea)}
.compare tbody tr:nth-child(even){background:#f7fbf9}
.compare td:first-child{text-align:left;font-weight:600;color:var(--g900)}
.yes{color:var(--g600);font-weight:700}
.no{color:#cbd5d0}
/* ---------- 新闻 Tab ---------- */
.tabs{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.tab{padding:9px 18px;border-radius:30px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font-weight:500;font-size:15px}
.tab.active{background:var(--g700);color:#fff;border-color:var(--g700)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card img{height:170px;width:100%;object-fit:cover}
.news-card .body{padding:18px}
.news-card .cat{font-size:12px;color:var(--g600);background:var(--g100);padding:3px 10px;border-radius:20px}
.news-card h3{font-size:17px;margin:10px 0 8px}
.news-card .date{font-size:13px;color:var(--muted)}
/* ---------- 评论 ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.review .stars{color:var(--tea);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.review p{color:var(--ink);font-size:15px;margin-bottom:14px}
.review .who{display:flex;align-items:center;gap:10px}
.review .who img,.review .who .ava{width:40px;height:40px;border-radius:50%;background:var(--g100);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--g600)}
.review .who b{display:block;font-size:14px}
.review .who small{color:var(--muted);font-size:12px}
/* ---------- 下载区 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 16px;text-align:center;transition:transform .2s,box-shadow .2s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.dl-card .os{font-size:34px;margin-bottom:12px}
.dl-card h4{font-size:16px;margin-bottom:4px}
.dl-card small{color:var(--muted);display:block;margin-bottom:14px}
/* ---------- 信任背书 ---------- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center}
.trust-item .n{font-size:30px;font-weight:700;color:var(--g700)}
.trust-item p{color:var(--muted);font-size:14px;margin-top:4px}
/* ---------- 应用场景 ---------- */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.scene .emoji{font-size:30px;margin-bottom:12px}
/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-q{padding:18px 22px;font-weight:600;color:var(--g900);display:block;font-size:16px}
.faq-a{padding:0 22px 20px;color:var(--ink);font-size:15px}
.faq-a ol,.faq-a ul{padding-left:20px;margin:10px 0}
.faq-a li{margin-bottom:8px}
.faq-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.faq-cat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.faq-cat h3{margin-bottom:6px}
.faq-cat p{color:var(--muted);font-size:14px}
/* ---------- CTA ---------- */
.cta{background:linear-gradient(135deg,#063c2b,#0B6B4F);color:#fff;text-align:center;border-radius:20px;padding:56px 30px}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.85);margin-bottom:24px}
/* ---------- 页脚 ---------- */
.footer{background:#0a3326;color:rgba(255,255,255,.7);padding:56px 0 30px;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer .brand{color:#fff;margin-bottom:12px}
.footer a{color:rgba(255,255,255,.7);display:block;margin-bottom:8px;font-size:14px}
.footer a:hover{color:#7ce0b5}
.footer .desc{font-size:14px;max-width:320px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;text-align:center;font-size:13px}
.footer-bottom a{display:inline;margin:0 8px}
/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:14px;color:var(--muted);padding:16px 0;border-bottom:1px solid var(--line);margin-bottom:32px}
.breadcrumb a{color:var(--g600)}
.breadcrumb span{color:var(--muted)}
/* ---------- 文章页 ---------- */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:40px}
.article-body .meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:16px}
.article-body h2{font-size:24px;margin:32px 0 14px;padding-top:8px}
.article-body p{margin-bottom:18px;color:#2c3732;font-size:16px}
.article-body .toc{background:var(--g50);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:24px 0}
.article-body .toc b{display:block;margin-bottom:8px;color:var(--g900)}
.article-body .toc a{display:block;padding:4px 0;font-size:14px}
.article-body figure{margin:26px 0}
.article-body figure img{border-radius:12px;width:100%}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.sidebar .widget{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:24px}
.sidebar .widget h4{margin-bottom:14px;font-size:17px}
.sidebar .widget a{display:block;padding:7px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.sidebar .widget a:last-child{border-bottom:0}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:32px}
.pager a{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14px}
.related{margin-top:40px}
.related h3{margin-bottom:18px}
/* ---------- 404 ---------- */
.notfound{text-align:center;padding:120px 20px}
.notfound .code{font-size:120px;font-weight:800;color:var(--g500);line-height:1}
.notfound p{color:var(--muted);margin:16px 0 28px}
/* ---------- 分页/标签 ---------- */
.tag-list{display:flex;gap:10px;flex-wrap:wrap}
.tag{background:var(--g100);color:var(--g600);padding:6px 14px;border-radius:20px;font-size:13px}
@media(max-width:960px){
  .hero-grid,.article-layout,.footer-grid{grid-template-columns:1fr}
  .cards,.reviews,.scenes,.faq-cat-grid,.news-grid,.trust{grid-template-columns:repeat(2,1fr)}
  .dl-grid{grid-template-columns:repeat(3,1fr)}
  .nav-links{display:none}
}
@media(max-width:560px){
  .cards,.reviews,.scenes,.faq-cat-grid,.news-grid,.trust,.dl-grid{grid-template-columns:1fr}
  h1{font-size:32px}.hero h1{font-size:32px}
  section{padding:44px 0}
}