:root{--primary:#16a34a;--primary-dark:#15803d;--deep:#14532d;--accent:#22c55e;--bg:#ffffff;--bg-soft:#f0fdf4;--bg-green:#dcfce7;--text:#17251d;--muted:#5b6b60;--border:#d9ecdf;--card:#ffffff;--radius:14px;--shadow:0 8px 30px rgba(20,83,45,.08);--shadow-lg:0 18px 50px rgba(20,83,45,.14);--maxw:1200px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.75;font-size:16px}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section--soft{background:var(--bg-soft)}
.section-title{font-size:32px;line-height:1.3;font-weight:800;color:var(--deep);text-align:center;margin-bottom:12px}
.section-sub{font-size:16px;color:var(--muted);text-align:center;max-width:680px;margin:0 auto 40px}
.section-head{margin-bottom:8px}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:8px}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.grid-6{grid-template-columns:repeat(6,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--deep)}
.brand img{width:34px;height:34px;border-radius:8px}
.brand span{color:var(--primary)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;font-weight:600;color:var(--text);padding:6px 2px;position:relative}
.nav a:hover{color:var(--primary)}
.nav a.cta{background:var(--primary);color:#fff;padding:9px 20px;border-radius:22px}
.nav a.cta:hover{background:var(--primary-dark)}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--deep);cursor:pointer;line-height:1}
#nav-toggle{display:none}
/* Hero */
.hero{background:linear-gradient(160deg,#f0fdf4 0%,#ffffff 55%,#dcfce7 100%);padding:64px 0 72px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);border-radius:30px;padding:7px 16px;font-size:13px;font-weight:600;color:var(--deep);box-shadow:var(--shadow);margin-bottom:22px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.hero h1{font-size:46px;line-height:1.16;font-weight:800;color:var(--deep);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-desc{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:16px;font-weight:700;padding:13px 30px;border-radius:30px;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--deep);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:16px 38px;font-size:17px}
.hero-stats{display:flex;gap:32px;margin-top:32px;flex-wrap:wrap}
.hero-stat b{font-size:28px;font-weight:800;color:var(--deep);display:block}
.hero-stat span{font-size:13px;color:var(--muted)}
/* Client simulator */
.simulator{background:#0e241a;border-radius:18px;box-shadow:0 30px 70px rgba(20,83,45,.28);overflow:hidden;border:1px solid #1d3a2c}
.sim-head{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#122a1f;border-bottom:1px solid #1d3a2c}
.sim-dot{width:11px;height:11px;border-radius:50%}
.sim-dot.r{background:#ff5f57}.sim-dot.y{background:#febc2e}.sim-dot.g{background:#28c840}
.sim-title{flex:1;text-align:center;color:#7fa893;font-size:12px;letter-spacing:.04em}
.sim-body{padding:22px;color:#d6efe2}
.sim-status{display:flex;align-items:center;gap:12px;background:#132b1f;border-radius:12px;padding:16px;margin-bottom:18px}
.sim-shield{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#16a34a,#22c55e);display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;flex-shrink:0}
.sim-status h4{font-size:15px;font-weight:700;color:#eafff2}
.sim-status p{font-size:12px;color:#7fa893}
.sim-ping{margin-left:auto;text-align:right}
.sim-ping b{font-size:20px;color:#4ade80;display:block}
.sim-ping span{font-size:11px;color:#7fa893}
.sim-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid #1d3a2c;font-size:14px}
.sim-row:last-child{border-bottom:none}
.sim-row .lbl{color:#9fc3b2}
.sim-row .val{color:#eafff2;font-weight:600}
.sim-bar{height:6px;background:#1d3a2c;border-radius:4px;margin-top:8px;overflow:hidden}
.sim-bar i{display:block;height:100%;background:linear-gradient(90deg,#16a34a,#4ade80);border-radius:4px;width:0;animation:load 1.6s ease forwards}
@keyframes load{to{width:var(--w)}}
/* Announcement */
.announce{background:var(--deep);color:#d6efe2;padding:14px 0;overflow:hidden}
.announce-inner{display:flex;align-items:center;gap:14px}
.announce-tag{background:var(--accent);color:#052e16;font-size:12px;font-weight:800;padding:3px 12px;border-radius:20px;white-space:nowrap}
.announce-text{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.announce-text a{color:#fff;text-decoration:underline}
/* Features */
.feature-card{text-align:left}
.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--bg-green);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.feature-card h3{font-size:18px;font-weight:700;color:var(--deep);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted)}
/* Comparison table */
.cmp-wrap{overflow-x:auto}
.cmp-table{width:100%;border-collapse:collapse;min-width:640px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cmp-table th,.cmp-table td{padding:15px 16px;text-align:center;border-bottom:1px solid var(--border);font-size:14px}
.cmp-table th{background:var(--deep);color:#fff;font-weight:700}
.cmp-table th:first-child,.cmp-table td:first-child{text-align:left}
.cmp-table tr:last-child td{border-bottom:none}
.cmp-table .hit{color:var(--primary);font-weight:800}
.cmp-table .miss{color:#c0c6c2}
.cmp-own{background:var(--bg-soft);font-weight:700}
/* News tabs */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.tab-btn{display:inline-flex;padding:9px 22px;border-radius:24px;background:#fff;border:1px solid var(--border);color:var(--muted);font-size:14px;font-weight:600;cursor:pointer}
.tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-item img{width:100%;height:160px;object-fit:cover}
.news-body{padding:18px}
.news-meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.news-item h3{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:10px}
.news-item h3 a{color:var(--deep)}
.news-item h3 a:hover{color:var(--primary)}
/* Reviews */
.review-card{padding:26px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--bg-green);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.review-name{font-weight:700;color:var(--deep)}
.review-star{color:#f5a623;font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--text);line-height:1.8}
/* Download */
.dl-card{text-align:center;padding:32px 20px}
.dl-icon{font-size:40px;margin-bottom:12px}
.dl-card h3{font-size:17px;font-weight:700;color:var(--deep);margin-bottom:6px}
.dl-card p{font-size:12px;color:var(--muted);margin-bottom:16px}
.dl-btn{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;padding:10px 22px;border-radius:24px}
.dl-btn:hover{background:var(--primary-dark);color:#fff}
/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust-item{padding:20px}
.trust-item .t-icon{font-size:34px;margin-bottom:8px}
.trust-item b{display:block;font-size:15px;color:var(--deep);margin-bottom:4px}
.trust-item span{font-size:13px;color:var(--muted)}
/* Scenes */
.scene-card{position:relative;overflow:hidden;border-radius:var(--radius);min-height:200px;padding:28px;background:var(--bg-soft);display:flex;flex-direction:column;justify-content:flex-end}
.scene-card h3{font-size:17px;font-weight:700;color:var(--deep);margin-bottom:6px}
.scene-card p{font-size:13px;color:var(--muted)}
.scene-num{position:absolute;top:16px;right:20px;font-size:40px;font-weight:800;color:rgba(22,163,74,.15)}
/* FAQ */
.faq-item details{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;margin-bottom:16px}
.faq-item details summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:700;color:var(--deep);list-style:none}
.faq-item details summary::-webkit-details-marker{display:none}
.faq-item details summary::after{content:"＋";font-size:20px;color:var(--primary);flex-shrink:0}
.faq-item details[open] summary::after{content:"−"}
.faq-item .tag{font-size:12px;background:var(--bg-green);color:var(--primary);padding:3px 10px;border-radius:14px;font-weight:700;white-space:nowrap}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--text);line-height:1.85}
.faq-a ol{list-style:decimal;padding-left:22px}
.faq-a ol li{margin-bottom:8px}
.faq-a p{margin-bottom:10px}
/* CTA */
.cta{background:linear-gradient(135deg,#14532d,#16a34a);border-radius:22px;padding:56px 40px;text-align:center;color:#fff}
.cta h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cta p{font-size:16px;color:#d6efe2;margin-bottom:28px}
.cta .btn-primary{background:#fff;color:var(--primary-dark)}
.cta .btn-primary:hover{background:#eafbf0}
/* Footer */
.site-footer{background:#0b1f15;color:#9fc3b2;padding:56px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-grid a{display:block;color:#9fc3b2;margin-bottom:10px}
.footer-grid a:hover{color:#fff}
.footer-brand p{margin-top:12px;max-width:300px}
.footer-bottom{border-top:1px solid #1d3a2c;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:#7fa893}
/* Breadcrumb */
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0;border-bottom:1px solid var(--border);background:var(--bg-soft)}
.breadcrumb ol{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:#b6c4bb}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
/* Article */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start;padding:48px 0}
.article-main h1{font-size:30px;line-height:1.35;font-weight:800;color:var(--deep);margin-bottom:14px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.article-meta span{margin-right:16px}
.article-cover{border-radius:var(--radius);margin-bottom:28px;box-shadow:var(--shadow)}
.article-body{font-size:16px;line-height:2;color:var(--text)}
.article-body h2{font-size:22px;font-weight:800;color:var(--deep);margin:32px 0 14px;padding-left:12px;border-left:4px solid var(--primary)}
.article-body h3{font-size:18px;font-weight:700;color:var(--deep);margin:24px 0 10px}
.article-body p{margin-bottom:16px}
.article-body img{border-radius:12px;margin:18px 0}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:-12px;margin-bottom:18px}
.article-body blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);padding:16px 20px;margin:20px 0;border-radius:0 10px 10px 0;color:var(--deep)}
.article-body ul,.article-body ol{padding-left:24px;margin-bottom:16px}
.article-body ul li,.article-body ol li{margin-bottom:8px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body a{text-decoration:underline}
.toc{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:28px}
.toc h3{font-size:15px;color:var(--deep);margin-bottom:12px}
.toc ol{padding-left:20px}
.toc ol li{margin-bottom:6px;font-size:14px}
.toc a{color:var(--text)}
.toc a:hover{color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.article-nav a{font-size:14px;font-weight:600;max-width:46%}
.article-nav .prev{text-align:left}
.article-nav .next{text-align:right;margin-left:auto}
/* Sidebar */
.sidebar .side-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:24px;box-shadow:var(--shadow)}
.side-box h3{font-size:16px;color:var(--deep);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--bg-green)}
.hot-item{display:flex;gap:12px;margin-bottom:14px}
.hot-item .num{font-size:22px;font-weight:800;color:var(--bg-green);line-height:1}
.hot-item a{font-size:13px;color:var(--text);line-height:1.5}
.hot-item a:hover{color:var(--primary)}
.cat-list a{display:flex;justify-content:space-between;font-size:14px;color:var(--text);padding:8px 0;border-bottom:1px dashed var(--border)}
.cat-list a:hover{color:var(--primary)}
/* Page hero (subpages) */
.page-hero{background:linear-gradient(160deg,#f0fdf4,#dcfce7);padding:56px 0;text-align:center}
.page-hero h1{font-size:38px;font-weight:800;color:var(--deep);margin-bottom:10px}
.page-hero p{font-size:16px;color:var(--muted);max-width:640px;margin:0 auto}
/* 404 */
.notfound{min-height:72vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.notfound .code{font-size:120px;font-weight:800;color:var(--bg-green);line-height:1}
.notfound h1{font-size:28px;color:var(--deep);margin:10px 0}
.notfound p{color:var(--muted);margin-bottom:24px}
.notfound .countdown{color:var(--primary);font-weight:700;font-size:18px}
/* Tags / pills */
.pill{display:inline-block;font-size:12px;font-weight:700;background:var(--bg-green);color:var(--primary);padding:4px 12px;border-radius:16px;margin-right:6px}
/* Reviews meta on articles */
.comments{margin-top:36px}
.comment-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-green);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.comment-body b{display:block;font-size:14px;color:var(--deep)}
.comment-body .c-star{color:#f5a623;font-size:12px}
.comment-body p{font-size:14px;color:var(--text);margin-top:4px}
/* Responsive */
@media(max-width:1024px){.grid-4,.grid-5,.grid-6{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.hero-inner{grid-template-columns:1fr}}
@media(max-width:768px){.grid-2,.grid-3,.news-grid{grid-template-columns:1fr}.hero h1{font-size:32px}.section{padding:48px 0}.footer-grid{grid-template-columns:1fr 1fr}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;border-bottom:1px solid var(--border)}#nav-toggle:checked ~ .nav{display:flex}.nav-toggle{display:block}.hero-inner{gap:32px}}
@media(max-width:480px){.grid-4,.grid-5,.grid-6,.trust-grid,.footer-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column}.btn{width:100%}}