:root{--bg:#f6f8fb;--surface:#ffffff;--ink:#0e1a2b;--ink2:#33425c;--muted:#61708a;--line:#e5eaf2;--primary:#0ea58a;--primary-d:#0a8670;--accent:#2e5cff;--cta:#ff7a1a;--cta-d:#ea6710;--hero:#0b1220;--hero2:#101c33;--card:#ffffff;--gold:#f2a93b;--ok:#12b76a;--warn:#f79009;--radius:16px;--shadow:0 10px 30px rgba(15,32,66,.08);--shadow2:0 18px 50px rgba(10,30,70,.14)}
*{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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 40px}
.section-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);background:#e7f7f2;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:800;margin-bottom:12px;color:var(--ink)}
.section-head p{color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:12px;padding:14px 28px;font-size:16px;transition:.2s;cursor:pointer;border:0}
.btn-cta{background:linear-gradient(135deg,var(--cta),#ff8c2e);color:#fff;box-shadow:0 8px 22px rgba(255,122,26,.32)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,26,.42)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#12c49b);color:#fff;box-shadow:0 8px 22px rgba(14,165,138,.28)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:16px 34px;font-size:17px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px}
.topbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand img{width:34px;height:34px;border-radius:8px}
.brand span em{font-style:normal;color:var(--primary)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:8px 14px;border-radius:9px;font-weight:600;font-size:15px;color:var(--ink2)}
.nav a:hover,.nav a.active{color:var(--primary);background:#eefaf6}
.topbar-cta{display:flex;align-items:center;gap:10px}
.hero{background:radial-gradient(1200px 600px at 85% -10%,#16324e 0%,transparent 60%),linear-gradient(140deg,var(--hero),#0d1830 60%,#0b1b33);color:#eaf1fb;padding:72px 0 80px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy .badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#b9e6d8;background:rgba(14,165,138,.16);border:1px solid rgba(14,165,138,.35);padding:7px 14px;border-radius:999px;margin-bottom:20px}
.hero-copy h1{font-size:44px;line-height:1.16;font-weight:900;margin-bottom:18px;letter-spacing:-.5px}
.hero-copy h1 .hl{background:linear-gradient(120deg,#2ee6b6,#4d9dff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy .sub{font-size:18px;color:#aebdd6;max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-stats .st span{font-size:13px;color:#8fa2bf}
.mock{position:relative}
.mock-window{background:linear-gradient(180deg,#111c31,#0c1526);border:1px solid #223350;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.45);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:#0a1120;border-bottom:1px solid #1c2940}
.mock-bar .dot{width:11px;height:11px;border-radius:50%}
.mock-bar .dot.r{background:#ff5f57}.mock-bar .dot.y{background:#febc2e}.mock-bar .dot.g{background:#28c840}
.mock-bar .title{margin-left:10px;font-size:13px;color:#7d90ad;font-weight:600}
.mock-body{padding:22px}
.mock-status{display:flex;align-items:center;justify-content:space-between;background:#0f1a2e;border:1px solid #1f2d47;border-radius:12px;padding:14px 16px;margin-bottom:16px}
.mock-status .loc{display:flex;align-items:center;gap:10px}
.mock-status .flag{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#2e5cff,#4d9dff);display:flex;align-items:center;justify-content:center;font-size:16px}
.mock-status .loc b{font-size:15px;color:#eaf1fb}
.mock-status .loc span{font-size:12px;color:#7d90ad}
.mock-status .ping{text-align:right}
.mock-status .ping b{color:#2ee6b6;font-size:18px}
.mock-status .ping span{display:block;font-size:11px;color:#7d90ad}
.mock-connect{display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,var(--primary),#12c49b);color:#fff;border-radius:12px;padding:13px;font-weight:800;font-size:16px;margin-bottom:16px;cursor:default}
.mock-connect .ring{width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.25)}
.mock-list{display:flex;flex-direction:column;gap:8px}
.mock-item{display:flex;align-items:center;justify-content:space-between;background:#0d1728;border:1px solid #1a2740;border-radius:10px;padding:11px 14px}
.mock-item .c{display:flex;align-items:center;gap:10px;font-size:14px;color:#c7d3e6}
.mock-item .c i{width:8px;height:8px;border-radius:50%;background:#2ee6b6}
.mock-item .s{font-size:12px;color:#7d90ad}
.mock-item.hl{border-color:#14c49b;background:#0f1f2e}
.notice{background:linear-gradient(120deg,#fff7ed,#fef3e2);border:1px solid #fde3c0;border-radius:var(--radius);padding:18px 22px;margin:-34px auto 0;max-width:1200px;width:calc(100% - 40px);display:flex;gap:14px;align-items:flex-start;box-shadow:var(--shadow);position:relative;z-index:5}
.notice .ico{font-size:22px}
.notice b{color:#b45309}
.notice p{color:#92400e;font-size:15px}
.notice a{color:#c2410c;font-weight:700;text-decoration:underline}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s;box-shadow:var(--shadow)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2);border-color:#c9eee4}
.feature-card .f-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.feature-card h3{font-size:19px;margin-bottom:10px;font-weight:800}
.feature-card p{color:var(--muted);font-size:15px}
.f-c1{background:#e7f7f2}.f-c2{background:#e9eeff}.f-c3{background:#fff3e6}.f-c4{background:#f0e9ff}.f-c5{background:#e6f4ff}.f-c6{background:#ffeaf0}
.compare{background:#0e1a2b;color:#eaf1fb}
.compare .section-head h2{color:#fff}
.compare .section-head p{color:#8fa2bf}
.compare-wrap{overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;background:#111f36;border-radius:var(--radius);overflow:hidden}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid #1d2c46}
.compare-table thead th{background:#0b1626;font-size:14px;color:#8fa2bf;font-weight:700}
.compare-table tbody td{font-size:15px}
.compare-table .win{color:#2ee6b6;font-weight:700}
.compare-table .lose{color:#ff8a8a}
.compare-table .brand-col{color:#fff;font-weight:800}
.compare-table tr.highlight{background:rgba(14,165,138,.12)}
.news-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.news-tab{padding:10px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700;font-size:14px;color:var(--ink2)}
.news-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:var(--shadow)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.news-card img{height:170px;width:100%;object-fit:cover}
.news-card .nc-body{padding:18px}
.news-card .nc-cat{font-size:12px;font-weight:700;color:var(--primary);background:#e7f7f2;padding:3px 10px;border-radius:999px}
.news-card h3{font-size:17px;line-height:1.4;margin:10px 0 8px;font-weight:800}
.news-card h3 a:hover{color:var(--primary)}
.news-card .nc-meta{font-size:13px;color:var(--muted)}
.reviews{background:#fff}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.review-card .stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.review-card p{color:var(--ink2);font-size:15px;margin-bottom:16px}
.review-card .rc-user{display:flex;align-items:center;gap:12px}
.review-card .rc-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.review-card .rc-user b{display:block;font-size:15px}
.review-card .rc-user span{font-size:12px;color:var(--muted)}
.download{background:linear-gradient(160deg,#0b1220,#0e1c33);color:#eaf1fb}
.download .section-head h2{color:#fff}
.download .section-head p{color:#8fa2bf}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.dl-card{background:#111f36;border:1px solid #1d2c46;border-radius:var(--radius);padding:22px 16px;text-align:center;transition:.25s}
.dl-card:hover{transform:translateY(-5px);border-color:#14c49b;background:#13243e}
.dl-card .dl-ico{font-size:34px;margin-bottom:12px}
.dl-card h4{font-size:16px;margin-bottom:4px;color:#fff}
.dl-card span{font-size:12px;color:#7d90ad}
.dl-card .btn{margin-top:14px;width:100%;font-size:13px;padding:9px 0}
.trust{background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{text-align:center;padding:22px;border:1px solid var(--line);border-radius:var(--radius)}
.trust-item .t-ico{font-size:34px;margin-bottom:10px}
.trust-item h4{font-size:16px;margin-bottom:6px}
.trust-item p{font-size:13px;color:var(--muted)}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s}
.scene-card:hover{box-shadow:var(--shadow2);transform:translateY(-4px)}
.scene-card .s-ico{font-size:30px;flex-shrink:0}
.scene-card h4{font-size:18px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted)}
.faq{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 22px;font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--primary);font-weight:700;transition:.25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 22px;color:var(--ink2);font-size:15px}
.faq-body ol{padding-left:20px;list-style:decimal}
.faq-body ol li{margin:8px 0}
.faq-body h4{font-size:15px;color:var(--ink);margin:14px 0 6px}
.faq-body .faq-a{font-weight:700;color:var(--primary)}
.bottom-cta{background:linear-gradient(135deg,var(--primary-d),#0ea58a);color:#fff;text-align:center;padding:72px 0}
.bottom-cta h2{font-size:34px;font-weight:900;margin-bottom:14px}
.bottom-cta p{font-size:17px;color:#d9f5ec;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.footer{background:#0a1120;color:#9db0c9;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer p{font-size:14px;line-height:1.8}
.footer ul li{margin:9px 0}
.footer ul li a{font-size:14px}
.footer ul li a:hover{color:#fff}
.footer .brand{margin-bottom:14px;color:#fff}
.footer-bottom{border-top:1px solid #1a2740;padding-top:22px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:18px}
.friend-links a{font-size:13px;color:#7d90ad;display:inline-flex;align-items:center;gap:4px}
.friend-links a:hover{color:#2ee6b6}
.friend-links a b{color:#4d9dff;font-weight:600}
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{color:#b6c0d0}
.page-hero{background:linear-gradient(140deg,var(--hero),#0e1c33);color:#fff;padding:52px 0}
.page-hero h1{font-size:34px;font-weight:900;margin-bottom:10px}
.page-hero p{color:#aebdd6}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.article-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);margin:14px 0 20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-meta .tag{background:#e7f7f2;color:var(--primary);font-weight:700;padding:3px 12px;border-radius:999px}
.article-body{font-size:16px;color:#2a3650;line-height:1.9}
.article-body h2{font-size:24px;font-weight:800;color:var(--ink);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--primary)}
.article-body p{margin:14px 0}
.article-body img{border-radius:12px;margin:20px 0}
.article-body .fig{font-size:13px;color:var(--muted);text-align:center;margin:-8px 0 22px}
.article-body blockquote{border-left:4px solid var(--accent);background:#f4f7ff;padding:16px 20px;border-radius:0 12px 12px 0;margin:20px 0;color:#33425c;font-size:15px}
.article-toc{background:#f7f9fc;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:20px 0 28px}
.article-toc h4{font-size:14px;color:var(--ink);margin-bottom:10px}
.article-toc ul{padding-left:18px;list-style:disc}
.article-toc li{margin:6px 0;font-size:14px}
.article-toc a{color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.article-nav a{flex:1;font-size:14px;color:var(--ink2)}
.article-nav a span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.article-nav a:hover{color:var(--primary)}
.back-list{display:inline-block;margin-top:22px;font-size:14px;color:var(--primary);font-weight:700}
.sidebar{position:sticky;top:86px;display:flex;flex-direction:column;gap:22px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-box h4{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary);display:inline-block}
.side-box ul li{margin:10px 0}
.side-box ul li a{font-size:14px;color:var(--ink2);line-height:1.5}
.side-box ul li a:hover{color:var(--primary)}
.side-box .hot-rank{display:flex;gap:10px;align-items:flex-start}
.side-box .hot-rank .n{font-size:20px;font-weight:900;color:#d5dde9;line-height:1.2}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.related-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.related-card img{height:110px;object-fit:cover}
.related-card .r-body{padding:12px}
.related-card h5{font-size:14px;line-height:1.4}
.related-card h5 a:hover{color:var(--primary)}
.comments{margin-top:36px}
.comments h3{font-size:20px;margin-bottom:18px}
.comment-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment-item .c-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px}
.comment-item .c-name{font-weight:700;font-size:14px}
.comment-item .c-time{font-size:12px;color:var(--muted)}
.comment-item .c-text{font-size:14px;color:var(--ink2);margin-top:6px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:36px}
.pagination a{padding:9px 15px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-weight:600}
.pagination a.active,.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.notfound{min-height:76vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.notfound .code{font-size:120px;font-weight:900;line-height:1;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.notfound h1{font-size:28px;margin:16px 0 12px}
.notfound p{color:var(--muted);max-width:520px;margin-bottom:28px}
.notfound .countdown{font-size:15px;color:var(--primary);font-weight:700;margin-bottom:20px}
.sitemap{background:#fff}
.sitemap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.sitemap h3{font-size:18px;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--primary);display:inline-block}
.sitemap ul li{margin:9px 0}
.sitemap ul li a{color:var(--ink2);font-size:15px}
.sitemap ul li a:hover{color:var(--primary)}
@media(max-width:960px){
.hero-inner{grid-template-columns:1fr}
.feature-grid,.news-grid,.review-grid,.dl-grid,.trust-grid,.scene-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.footer-grid{grid-template-columns:1fr 1fr}
.sitemap-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
.hero-copy h1{font-size:32px}
.feature-grid,.news-grid,.review-grid,.dl-grid,.trust-grid,.scene-grid,.related-grid{grid-template-columns:1fr}
.nav{display:none}
.section{padding:44px 0}
.article-main{padding:22px}
}