:root{--brand:#f97316;--brand-2:#fb923c;--ink:#0f172a;--ink-2:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#ffffff;--cyan:#06b6d4;--ok:#16a34a;--warn:#f59e0b;--shadow:0 10px 30px rgba(15,23,42,.08);--shadow-lg:0 24px 60px rgba(15,23,42,.16);--radius:18px;}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
/* 顶部导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:.5px}
.logo img{width:34px;height:34px;border-radius:8px}
.logo span{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:500}
.nav-links a{color:var(--ink-2);transition:color .2s}
.nav-links a:hover{color:var(--brand)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;padding:10px 20px;border-radius:50px;font-weight:600;font-size:14px;box-shadow:0 8px 20px rgba(249,115,22,.35);transition:.25s}
.nav-cta:hover{background:#ea6a0a;transform:translateY(-2px)}
/* Hero */
.hero{background:linear-gradient(135deg,#0f172a 0%,#1e293b 55%,#312e81 100%);color:#fff;padding:72px 0 88px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(6,182,212,.25),transparent 45%),radial-gradient(circle at 15% 85%,rgba(249,115,22,.22),transparent 40%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(6,182,212,.15);border:1px solid rgba(6,182,212,.4);color:#7dd3fc;padding:7px 16px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:.5px;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--brand-2)}
.hero-sub{font-size:17px;color:#cbd5e1;max-width:540px;margin-bottom:28px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:30px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:50px;font-weight:700;font-size:15px;transition:.25s}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 30px rgba(249,115,22,.4)}
.btn-primary:hover{background:#ea6a0a;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;color:#94a3b8;font-size:14px}
.hero-stats b{display:block;font-size:24px;color:#fff;font-weight:800}
/* 客户端模拟器 */
.mock{position:relative}
.mock-win{background:#0b1220;border:1px solid rgba(255,255,255,.14);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}
.mock-title{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#131c31;border-bottom:1px solid rgba(255,255,255,.1)}
.mock-dots{display:flex;gap:6px}
.mock-dots i{width:11px;height:11px;border-radius:50%;display:block}
.mock-dots i:nth-child(1){background:#ff5f57}
.mock-dots i:nth-child(2){background:#febc2e}
.mock-dots i:nth-child(3){background:#28c840}
.mock-title b{color:#cbd5e1;font-size:13px;font-weight:600;margin-left:6px}
.mock-body{padding:22px}
.mock-status{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.mock-status .ring{width:74px;height:74px;border-radius:50%;border:5px solid rgba(6,182,212,.25);border-top-color:var(--cyan);animation:spin 1.4s linear infinite;display:grid;place-items:center}
.mock-status .ring span{font-size:20px;font-weight:800;color:#7dd3fc;animation:spin 1.4s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.mock-status .t{flex:1}
.mock-status .t b{display:block;font-size:17px;color:#fff}
.mock-status .t small{color:#94a3b8;font-size:13px}
.mock-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.mock-cell{background:#131c31;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:12px 14px}
.mock-cell small{display:block;color:#64748b;font-size:11px;margin-bottom:4px}
.mock-cell b{color:#e2e8f0;font-size:14px}
.mock-cell .up{color:#34d399}
.mock-cell .dn{color:#38bdf8}
.mock-btn{display:block;text-align:center;background:linear-gradient(135deg,#f97316,#fb923c);color:#fff;padding:13px;border-radius:12px;font-weight:700;font-size:15px;margin-top:16px;box-shadow:0 10px 24px rgba(249,115,22,.4)}
.mock-nodes{margin-top:16px;border-top:1px dashed rgba(255,255,255,.14);padding-top:14px}
.mock-nodes small{color:#64748b;font-size:11px;display:block;margin-bottom:8px}
.mock-node{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;background:#0f1729;border-radius:10px;margin-bottom:8px;font-size:13px}
.mock-node span{color:#cbd5e1}
.mock-node em{font-style:normal;color:#34d399;font-size:12px;font-weight:600}
/* 通用板块 */
.sec{padding:78px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 48px}
.sec-head .kicker{display:inline-block;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:34px;font-weight:800;letter-spacing:.5px;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
/* 核心功能 */
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:var(--shadow)}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#fdba74}
.feat .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:24px;margin-bottom:16px;background:linear-gradient(135deg,#fff7ed,#ffedd5);color:var(--brand)}
.feat h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feat p{color:var(--muted);font-size:14.5px}
/* 公告区 */
.notice{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px}
.notice h3{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.notice h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(22,163,74,.15)}
.notice-list li{list-style:none;padding:11px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:16px;font-size:14.5px}
.notice-list li:last-child{border-bottom:none}
.notice-list a{color:var(--ink-2);transition:.2s}
.notice-list a:hover{color:var(--brand)}
.notice-list time{color:var(--muted);white-space:nowrap;font-size:13px}
.tag{display:inline-block;background:#fff7ed;color:var(--brand);font-size:12px;font-weight:700;padding:2px 10px;border-radius:50px;margin-right:8px}
/* 信任背书 */
.trust{background:linear-gradient(180deg,#fff,#f8fafc)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center}
.trust-item .num{font-size:34px;font-weight:800;color:var(--brand);margin-bottom:6px}
.trust-item p{color:var(--muted);font-size:14px}
.trust-item .lbl{font-weight:700;color:var(--ink);font-size:15px;margin-bottom:4px}
/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.scene .ic{font-size:30px;margin-bottom:14px}
.scene h3{font-size:18px;font-weight:700;margin-bottom:10px}
.scene p{color:var(--muted);font-size:14.5px}
/* 新闻 Tabs */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:34px;flex-wrap:wrap}
.tab{display:inline-block;padding:10px 22px;border-radius:50px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:14px;color:var(--ink-2);cursor:pointer}
.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:var(--shadow)}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card img{height:180px;width:100%;object-fit:cover}
.news-card .bd{padding:20px}
.news-card .cat{display:inline-block;background:#e0f2fe;color:#0369a1;font-size:12px;font-weight:700;padding:3px 12px;border-radius:50px;margin-bottom:10px}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.4;margin-bottom:8px}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{color:var(--muted);font-size:13.5px;margin-bottom:12px}
.news-card time{color:#94a3b8;font-size:12.5px}
/* 下载区 */
.download{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff}
.download .sec-head h2{color:#fff}
.download .sec-head p{color:#94a3b8}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px 20px;text-align:center;transition:.25s}
.dl-item:hover{background:rgba(255,255,255,.12);transform:translateY(-5px)}
.dl-item .ic{font-size:32px;margin-bottom:12px}
.dl-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.dl-item small{display:block;color:#94a3b8;font-size:12px;margin-bottom:14px}
.dl-item .btn{background:var(--brand);color:#fff;padding:9px 18px;font-size:13.5px;width:100%;justify-content:center}
/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-cat{margin-bottom:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-cat summary{list-style:none;padding:20px 26px;font-weight:700;font-size:16.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;background:#fff}
.faq-cat summary::after{content:"+";font-size:22px;color:var(--brand);transition:.25s}
.faq-cat[open] summary::after{transform:rotate(45deg)}
.faq-cat .bd{padding:0 26px 24px}
.faq-q{margin-top:18px}
.faq-q h4{font-size:15px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.steps{list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 12px 38px;font-size:14.5px;color:var(--ink-2)}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:#fff7ed;color:var(--brand);font-weight:700;font-size:13px;display:grid;place-items:center;border:1px solid #fed7aa}
/* CTA */
.cta{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff;text-align:center;padding:70px 0}
.cta h2{font-size:32px;font-weight:800;margin-bottom:14px}
.cta p{color:#fff7ed;margin-bottom:28px;font-size:16px}
.cta .btn{background:#0f172a;color:#fff;box-shadow:0 12px 30px rgba(15,23,42,.35)}
.cta .btn:hover{background:#1e293b}
/* 页脚 */
.footer{background:#0b1220;color:#94a3b8;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{display:block;color:#94a3b8;font-size:14px;padding:5px 0;transition:.2s}
.footer a:hover{color:var(--brand-2)}
.footer .desc{font-size:14px;max-width:300px;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:#94a3b8}
.footer-bottom a:hover{color:var(--brand-2)}
/* 面包屑 */
.crumb{font-size:13.5px;color:var(--muted);padding:20px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--ink)}
/* 文章页 */
.article-head{padding:50px 0 20px;text-align:center;max-width:780px;margin:0 auto}
.article-head .cat{display:inline-block;background:#e0f2fe;color:#0369a1;font-size:13px;font-weight:700;padding:4px 14px;border-radius:50px;margin-bottom:14px}
.article-head h1{font-size:32px;font-weight:800;line-height:1.35;margin-bottom:16px}
.article-meta{color:var(--muted);font-size:13.5px}
.article-body{max-width:780px;margin:0 auto;padding:20px 24px 70px}
.article-body p{font-size:16px;color:var(--ink-2);margin-bottom:20px;text-align:justify}
.article-body h2{font-size:24px;font-weight:800;margin:32px 0 16px;padding-left:14px;border-left:4px solid var(--brand)}
.article-body img{border-radius:14px;margin:24px auto;box-shadow:var(--shadow)}
.article-body figcaption{text-align:center;color:var(--muted);font-size:13px;margin:-12px 0 24px}
.pager{display:flex;justify-content:space-between;gap:20px;max-width:780px;margin:0 auto 50px;padding:0 24px}
.pager a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.2s}
.pager a:hover{border-color:var(--brand)}
.pager a small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.pager a b{font-size:14.5px;font-weight:700}
.pager .next{text-align:right}
.back-link{text-align:center;margin-bottom:40px}
.back-link a{color:var(--brand);font-weight:600}
.comments{max-width:780px;margin:0 auto 60px;padding:0 24px}
.comments h2{font-size:20px;font-weight:800;margin-bottom:20px}
.comment{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px}
.comment .hd{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.comment .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#f97316,#06b6d4);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.comment .nm{font-weight:700;font-size:14px}
.comment .dt{color:#94a3b8;font-size:12px;margin-left:auto}
.comment p{font-size:14.5px;color:var(--ink-2)}
/* 页面通用 */
.page-hero{background:linear-gradient(135deg,#0f172a,#312e81);color:#fff;padding:56px 0;text-align:center}
.page-hero h1{font-size:34px;font-weight:800;margin-bottom:12px}
.page-hero p{color:#cbd5e1;font-size:15.5px}
@media(max-width:960px){.hero .wrap{grid-template-columns:1fr}.grid-6,.scene-grid,.news-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.dl-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:34px}}
@media(max-width:600px){.grid-6,.scene-grid,.news-grid,.trust-grid{grid-template-columns:1fr}.dl-grid{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}}