:root{--ink:#0b1220;--panel:#0f1a2e;--teal:#0fd6a8;--cyan:#38bdf8;--deep:#08131f;--bg:#f5f7fa;--line:#e6eaf0;--muted:#5b6675;--white:#fff}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;color:#1c2536;background:var(--bg);line-height:1.7;font-size:16px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:13px 28px;border-radius:50px;font-weight:600;transition:.25s}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--cyan));color:#04121c}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(15,214,168,.35)}
.btn-ghost{border:1px solid rgba(15,214,168,.6);color:var(--teal)}
.btn-ghost:hover{background:rgba(15,214,168,.1)}
.topbar{position:sticky;top:0;z-index:100;background:rgba(11,18,32,.95);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:20px}
.brand img{width:30px;height:30px;border-radius:7px}
.brand b{color:var(--teal)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:#cbd5e1;font-size:15px}
.nav-links a:hover{color:var(--teal)}
.nav-cta{margin-left:12px}
.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(15,214,168,.18),transparent),linear-gradient(160deg,var(--deep),var(--ink));color:#e6edf5;padding:70px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:42px;line-height:1.25;margin:14px 0 18px;color:#fff}
.hero h1 span{color:var(--teal)}
.hero .sub{color:#9fb0c3;font-size:17px;max-width:520px;margin-bottom:26px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.sim{background:#0d1626;border:1px solid rgba(255,255,255,.08);border-radius:18px;box-shadow:0 30px 60px rgba(0,0,0,.5);overflow:hidden}
.sim-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#0a1220;border-bottom:1px solid rgba(255,255,255,.06)}
.sim-dot{width:11px;height:11px;border-radius:50%}
.sim-body{padding:26px 22px}
.sim-status{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.sim-ring{width:74px;height:74px;border-radius:50%;border:6px solid rgba(15,214,168,.2);border-top-color:var(--teal);animation:spin 2s linear infinite;display:flex;align-items:center;justify-content:center}
.sim-ring span{color:var(--teal);font-weight:700;font-size:13px}
@keyframes spin{to{transform:rotate(360deg)}}
.sim-flag{font-size:26px}
.sim-meta b{color:#fff;display:block;font-size:15px}
.sim-meta small{color:#8ea0b5}
.sim-row{background:#101c30;border-radius:10px;padding:12px 14px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;color:#c6d2e0;font-size:14px}
.sim-row .v{color:var(--teal);font-weight:600}
.sec{padding:72px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head h2{font-size:32px;color:var(--ink);margin-bottom:12px}
.sec-head p{color:var(--muted)}
.notice{background:linear-gradient(135deg,#0f3d33,#0b1220);color:#cfe9df;border-radius:16px;padding:22px 26px;display:flex;align-items:center;gap:16px;margin-top:40px}
.notice b{color:#fff}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;transition:.25s}
.card:hover{box-shadow:0 14px 34px rgba(11,18,32,.08);transform:translateY(-3px)}
.card .ico{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--teal),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:10px;color:var(--ink)}
.card p{color:var(--muted);font-size:15px}
.compare{overflow-x:auto}
.compare table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;min-width:640px}
.compare th,.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.compare th{background:var(--ink);color:#fff}
.compare .ok{color:#0fb98a;font-weight:700}
.compare .no{color:#d64545}
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
.tab{display:inline-block;padding:10px 22px;border-radius:40px;border:1px solid var(--line);color:var(--muted);font-weight:600}
.tab.active,.tab:hover{background:var(--ink);color:var(--teal);border-color:var(--ink)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.news-card:hover{box-shadow:0 12px 30px rgba(11,18,32,.08)}
.news-card img{height:170px;width:100%;object-fit:cover}
.news-card .body{padding:18px 20px}
.news-card .cat{color:var(--teal);font-size:13px;font-weight:600}
.news-card h3{font-size:17px;margin:8px 0;color:var(--ink);line-height:1.45}
.news-card time{color:var(--muted);font-size:13px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.review .stars{color:#f5a623;margin-bottom:10px}
.review p{color:#374151;font-size:15px;margin:10px 0}
.review .who{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}
.review .who .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--cyan));display:flex;align-items:center;justify-content:center;color:#04121c;font-weight:700}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 18px;text-align:center;transition:.25s}
.dl:hover{border-color:var(--teal);box-shadow:0 12px 28px rgba(15,214,168,.15)}
.dl .p{font-size:34px;margin-bottom:10px}
.dl b{display:block;color:var(--ink)}
.dl .btn{margin-top:14px;padding:9px 18px;font-size:14px}
.trust{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 26px;display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:600}
.trust-item span{font-size:22px}
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.scene .p{font-size:30px}
.scene b{display:block;margin-top:8px;color:var(--ink)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-q{padding:18px 22px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between}
.faq-a{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq-a ol{margin-left:20px}
.faq-a li{margin:8px 0}
.cta{background:linear-gradient(135deg,var(--deep),var(--ink));color:#e6edf5;text-align:center;padding:70px 0}
.cta h2{color:#fff;font-size:34px;margin-bottom:14px}
.cta p{color:#9fb0c3;margin-bottom:26px}
footer{background:var(--ink);color:#9fb0c3;padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:34px}
.foot-grid h4{color:#fff;margin-bottom:14px;font-size:16px}
.foot-grid a{display:block;color:#9fb0c3;margin:8px 0;font-size:14px}
.foot-grid a:hover{color:var(--teal)}
.foot-links{border-top:1px solid rgba(255,255,255,.08);padding-top:20px}
.foot-links a{color:#6f8098;font-size:13px;margin-right:18px;display:inline-block;margin-bottom:6px}
.foot-links a:hover{color:var(--teal)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13px;color:#5f6f85}
.crumb{background:#eef2f7;padding:14px 0;font-size:14px;color:var(--muted)}
.crumb a{color:var(--teal)}
.crumb span{margin:0 6px}
.page-hero{background:linear-gradient(160deg,var(--deep),var(--ink));color:#fff;padding:56px 0;text-align:center}
.page-hero h1{font-size:36px;margin-bottom:10px}
.page-hero p{color:#9fb0c3}
.article{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:44px 48px}
.article h1{font-size:30px;line-height:1.4;margin:14px 0;color:var(--ink)}
.article h2{font-size:22px;margin:28px 0 14px;color:var(--ink);padding-left:12px;border-left:4px solid var(--teal)}
.article p{color:#374151;margin:14px 0;font-size:16px}
.article img{border-radius:12px;margin:18px 0}
.article .meta{color:var(--muted);font-size:14px}
.article blockquote{border-left:4px solid var(--teal);background:#f0faf6;padding:14px 18px;border-radius:8px;color:#2d4a41;margin:18px 0}
.sidebar{width:300px;flex-shrink:0}
.side-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:20px}
.side-box h4{font-size:16px;color:var(--ink);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.side-box a{display:block;color:#374151;font-size:14px;margin:10px 0;line-height:1.5}
.side-box a:hover{color:var(--teal)}
.article-wrap{display:flex;gap:30px;align-items:flex-start;max-width:1180px;margin:0 auto}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px;color:var(--ink)}
.rel-card:hover{border-color:var(--teal)}
.prev-next{display:flex;justify-content:space-between;gap:20px;margin-top:28px}
.prev-next a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;flex:1;font-size:14px;color:var(--ink)}
.prev-next a:hover{border-color:var(--teal)}
.comments{margin-top:30px}
.comment{background:#f8fafc;border-radius:12px;padding:16px 18px;margin-bottom:12px}
.comment b{color:var(--ink)}
.comment p{font-size:14px;color:#374151;margin-top:6px}
@media(max-width:960px){.hero-grid,.foot-grid{grid-template-columns:1fr}.cards,.news-grid,.reviews,.scenes,.rel{grid-template-columns:1fr 1fr}.dl-grid{grid-template-columns:repeat(2,1fr)}.article-wrap{flex-direction:column}.sidebar{width:100%}.nav-links{display:none}}
@media(max-width:620px){.cards,.news-grid,.reviews,.scenes,.rel,.dl-grid{grid-template-columns:1fr}.hero h1{font-size:30px}.article{padding:26px 20px}}