:root{
  --c-primary:#10b981;      --c-primary-d:#0e9f70;
  --c-accent:#34d399;
  --c-dark:#1f2937;         --c-text:#374151;
  --c-muted:#6b7280;
  --c-line:#e8edf1;
  --c-bg:#ffffff;
  --c-bg-alt:#f8fafb;
  --c-up:#10a86b;
  --c-down:#e0483a;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 8px 30px rgba(16,185,129,.10);
  --shadow-soft:0 6px 24px rgba(31,41,55,.06);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:var(--c-text);background:var(--c-bg-alt);line-height:1.65;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

.btn{display:inline-block;padding:11px 28px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;transition:.25s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary);box-shadow:var(--shadow-soft)}
.btn-light:hover{background:var(--c-primary);color:#fff}
.btn-lg{padding:15px 44px;font-size:16px}

.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:0 2px 16px rgba(31,41,55,.05)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--c-primary)}
.brand img{height:34px;width:auto}
.brand-name{color:var(--c-dark)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav ul{display:flex;gap:24px}
.main-nav ul a{font-weight:600;color:var(--c-dark);padding:6px 0;position:relative}
.main-nav ul a:hover{color:var(--c-primary)}
.main-nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--c-primary);border-radius:2px;transition:.25s}
.main-nav ul a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--c-dark);border-radius:2px;transition:.3s}
.header-spacer{height:68px}

.hero{background:linear-gradient(160deg,#e9fbf4 0%,#f8fafb 60%);padding:56px 0 40px;text-align:center}
.hero-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:56px 40px 40px;max-width:860px;margin:0 auto;position:relative;overflow:hidden}
.hero-card::before{content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;background:radial-gradient(circle,rgba(52,211,153,.20),transparent 70%);border-radius:50%}
.hero-card h1{font-size:42px;line-height:1.2;margin-bottom:16px;color:var(--c-dark);letter-spacing:.5px;position:relative;z-index:1}
.hero-sub{font-size:19px;color:var(--c-primary);margin-bottom:14px;font-weight:600;position:relative;z-index:1}
.hero-desc{font-size:16px;color:var(--c-muted);margin:0 auto 28px;max-width:620px;position:relative;z-index:1}
.hero-actions{display:flex;justify-content:center;position:relative;z-index:1}

.quote-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:34px;position:relative;z-index:1}
.quote-item{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:12px;padding:12px 8px;display:flex;flex-direction:column;gap:4px;align-items:center}
.quote-item i{color:var(--c-muted);font-style:normal;font-size:12px;font-weight:600}
.quote-item b{font-size:14px;font-variant-numeric:tabular-nums}
.quote-item .up{color:var(--c-up)}
.quote-item .down{color:var(--c-down)}
.quote-note{color:var(--c-muted);font-size:12px;margin-top:14px;position:relative;z-index:1}
.quote-note.center{text-align:center;margin-top:24px}

.section{padding:60px 0}
.section-alt{background:#fff}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:30px;color:var(--c-dark);margin-bottom:10px}
.section-head p{color:var(--c-muted);font-size:16px}
#news .section-head{display:flex;justify-content:space-between;align-items:baseline;text-align:left;margin-bottom:32px}
.more-link{color:var(--c-primary);font-weight:600;font-size:14px;white-space:nowrap}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-soft);border-color:transparent}

.feature-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:34px 24px;text-align:center;box-shadow:var(--shadow-soft);transition:.25s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.feature-icon{display:flex;align-items:center;justify-content:center;width:60px;height:60px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(150deg,var(--c-primary),var(--c-accent));color:#fff;font-size:26px}
.feature-card h3{font-size:18px;color:var(--c-dark);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--c-muted)}

.platform-card{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--radius);padding:32px 22px;text-align:center;transition:.25s}
.platform-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--c-accent)}
.platform-card b{display:block;font-size:24px;color:var(--c-primary);margin-bottom:10px}
.platform-card span{font-size:13px;color:var(--c-muted)}

.news-grid .news-item{padding:0;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-soft)}
.news-thumb{height:180px;background:var(--c-bg-alt);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px}
.news-date{font-size:12px;color:var(--c-primary);font-weight:600}
.news-body h3{font-size:16px;color:var(--c-dark);margin:8px 0;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.comment-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:12px;transition:.25s}
.comment-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.cmt-head{display:flex;align-items:center;gap:12px}
.cmt-avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(150deg,var(--c-primary),var(--c-accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex-shrink:0}
.cmt-head b{display:block;font-size:15px;color:var(--c-dark)}
.cmt-stars{font-size:13px;color:#f5a623;letter-spacing:1px}
.cmt-text{font-size:14px;color:var(--c-text);line-height:1.75;flex:1}
.cmt-date{font-size:12px;color:var(--c-muted)}

.cta-card{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;text-align:center;padding:56px 30px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.cta-card h2{font-size:28px;margin-bottom:10px}
.cta-card p{margin-bottom:24px;opacity:.95}

.page-banner{background:linear-gradient(135deg,#e9fbf4,#f8fafb);padding:44px 0 40px}
.page-banner h1{font-size:27px;margin-bottom:8px;color:var(--c-dark)}
.crumb{font-size:13px;color:var(--c-muted)}
.page-banner .crumb a{color:var(--c-primary)}
.crumb a:hover{color:var(--c-primary-d)}
.page-layout{display:grid;grid-template-columns:1fr 300px;gap:34px;padding-top:40px;padding-bottom:56px}
.page-main{min-width:0}
.article-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:8px 24px;box-shadow:var(--shadow-soft)}
.article-list li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.article-list li:last-child{border-bottom:0}
.article-list .thumb{width:200px;height:130px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--c-bg-alt)}
.article-list .thumb img{width:100%;height:100%;object-fit:cover}
.article-list .info h2{font-size:19px;margin-bottom:8px;color:var(--c-dark)}
.article-list .info h2 a:hover{color:var(--c-primary)}
.article-list .info p{color:var(--c-muted);font-size:14px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-list .date{font-size:13px;color:var(--c-primary);font-weight:600}
.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:32px}
.pagination a{padding:8px 15px;border:1px solid var(--c-line);border-radius:10px;font-size:14px;background:#fff}
.pagination a:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.article-detail{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:30px 34px;box-shadow:var(--shadow-soft)}
.article-title{font-size:26px;color:var(--c-dark);line-height:1.4;margin:14px 0}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--c-muted);font-size:13px;padding-bottom:18px;border-bottom:1px solid var(--c-line);margin-bottom:22px}
.article-content{font-size:16px;line-height:1.95}
.article-content p{margin-bottom:16px}
.article-content img{margin:14px auto;border-radius:12px}
.risk-note{margin:26px 0 0;padding:14px 18px;background:#e9fbf4;border-left:4px solid var(--c-primary);font-size:13px;color:#0e7a58;border-radius:0 12px 12px 0}
.article-nav{display:flex;flex-direction:column;gap:10px;padding-top:20px;margin-top:20px;border-top:1px solid var(--c-line);font-size:14px}
.article-nav a:hover{color:var(--c-primary)}
.related{margin-top:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow-soft)}
.related h3{font-size:18px;color:var(--c-dark);margin-bottom:14px;padding-left:12px;border-left:4px solid var(--c-primary)}
.related ul li{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14px}
.related ul li:last-child{border-bottom:0}
.related ul li a:hover{color:var(--c-primary)}
.related ul li span{color:var(--c-muted);font-size:13px;flex-shrink:0}
.page-side{display:flex;flex-direction:column;gap:22px}
.side-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-soft)}
.side-box h3{font-size:17px;color:var(--c-dark);margin-bottom:14px;padding-left:12px;border-left:4px solid var(--c-primary)}
.side-menu li a{display:block;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:14px}
.side-menu li a:hover{color:var(--c-primary);padding-left:6px;transition:.2s}
.side-news li{padding:9px 0;border-bottom:1px dashed var(--c-line);font-size:14px}
.side-news li a:hover{color:var(--c-primary)}
.side-cta{background:linear-gradient(150deg,var(--c-primary),var(--c-accent));color:#fff;text-align:center}
.side-cta h3{color:#fff;border-color:rgba(255,255,255,.6)}
.side-cta p{font-size:13px;color:rgba(255,255,255,.9);margin-bottom:16px}

.site-footer{background:var(--c-dark);color:#9ca3af;font-size:14px;margin-top:20px}
.footer-top{max-width:var(--maxw);margin:0 auto;padding:48px 20px 28px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
.footer-brand{font-size:20px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-about p{line-height:1.8}
.footer-contact{margin-top:14px}
.footer-contact li{margin-bottom:8px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a:hover{color:var(--c-accent)}
.risk-warning{max-width:var(--maxw);margin:0 auto;padding:18px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;line-height:1.8;color:#8b93a1}
.risk-warning strong{color:var(--c-accent)}
.footer-links{max-width:var(--maxw);margin:0 auto;padding:14px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;display:flex;flex-wrap:wrap;gap:14px}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom p{max-width:var(--maxw);margin:0 auto;padding:6px 20px;font-size:12px;text-align:center}
.footer-bottom a:hover{color:var(--c-accent)}
.footer-perf{padding-bottom:18px!important;color:#5b6472}
.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;opacity:0;visibility:hidden;transition:.3s;z-index:900;box-shadow:var(--shadow)}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--c-primary-d)}

@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .page-layout{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .quote-bar{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:68px;right:-100%;width:78%;max-width:320px;height:calc(100vh - 68px);background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:20px;box-shadow:-6px 0 24px rgba(0,0,0,.12);transition:right .3s;overflow-y:auto}
  .main-nav.open{right:0}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav ul li{border-bottom:1px solid var(--c-line)}
  .main-nav ul a{display:block;padding:14px 4px}
  .nav-cta{margin-top:16px}
  .nav-cta .btn{display:block;text-align:center}
  .nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .quote-bar{grid-template-columns:repeat(2,1fr)}
  .hero-card{padding:40px 22px 30px}
  .hero-card h1{font-size:30px}
  .hero-sub{font-size:16px}
  .section{padding:44px 0}
  .section-head h2{font-size:24px}
  #news .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .article-list li{flex-direction:column}
  .article-list .thumb{width:100%;height:190px}
  .article-detail{padding:22px 20px}
  .footer-top{grid-template-columns:1fr;gap:24px}
}