*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#0A2540;--dark:#071827;--data-blue:#1677FF;--accent:#00A67E;
  --warn:#D97706;--bg:#F4F7FA;--card:#FFFFFF;--text:#152536;--text2:#637381;
  --border:#DCE3EA;--nav-h:72px;--nav-h-m:60px;--radius:10px;--max-w:1200px
}
html{scroll-behavior:smooth;margin-top:0!important}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--data-blue);text-decoration:none;transition:color .2s}
a:hover{color:#0958d9}
img{max-width:100%;height:auto;display:block}

/* Navigation */
.uw-nav{background:var(--dark);position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);border-bottom:1px solid rgba(255,255,255,.08)}
.uw-nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:100%}
.uw-logo{display:flex;align-items:center;gap:10px}
.uw-logo svg{width:36px;height:36px;flex-shrink:0}
.uw-logo-text{display:flex;flex-direction:column}
.uw-logo-main{color:#fff;font-size:18px;font-weight:700;letter-spacing:1px;line-height:1.2}
.uw-logo-sub{color:var(--data-blue);font-size:11px;letter-spacing:.5px}
.uw-nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.uw-nav-links a{color:rgba(255,255,255,.75);padding:8px 14px;border-radius:6px;font-size:14px;font-weight:500;transition:all .2s}
.uw-nav-links a:hover,.uw-nav-links a.active{color:#fff;background:rgba(22,119,255,.15)}
.uw-nav-cta{background:var(--accent)!important;color:#fff!important;padding:8px 20px!important;border-radius:6px!important;font-weight:600!important}
.uw-nav-cta:hover{background:#008a66!important}
.uw-hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.uw-hamburger svg{display:block}
.uw-mobile-menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:var(--dark);z-index:999;padding:20px;overflow-y:auto}
.uw-mobile-menu.active{display:block}
.uw-mobile-menu a{display:block;color:rgba(255,255,255,.75);padding:14px 16px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:8px}
.uw-mobile-menu a.uw-nav-cta{text-align:center;margin-top:12px;font-size:16px}

/* Page Banner */
.uw-banner{background:linear-gradient(135deg,var(--primary),var(--dark));padding:120px 24px 60px;text-align:center;position:relative;overflow:hidden}
.uw-banner::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,rgba(22,119,255,.08),transparent 60%),radial-gradient(circle at 70% 50%,rgba(0,166,126,.06),transparent 60%)}
.uw-banner>*{position:relative;z-index:1}
.uw-banner h1{color:#fff;font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:1px;margin-bottom:16px}
.uw-banner p{color:rgba(255,255,255,.65);font-size:18px;max-width:700px;margin:0 auto}

/* Hero Section (homepage) */
.uw-hero{background:linear-gradient(135deg,var(--primary),var(--dark));padding:120px 24px 80px;position:relative;overflow:hidden}
.uw-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 70% 40%,rgba(22,119,255,.12),transparent 50%),radial-gradient(ellipse at 30% 60%,rgba(0,166,126,.08),transparent 50%),url("data:image/svg+xml,%3Csvg width=\'60\' height=\'60\' xmlns=\'http://www.w3.org/2000/svg\'%3E%3Cpath d=\'M30 0L60 30L30 60L0 30z\' fill=\'none\' stroke=\'rgba(255,255,255,.02)\'/%3E%3C/svg%3E")}
.uw-hero-inner{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.uw-hero-badge{display:inline-block;background:rgba(0,166,126,.15);color:var(--accent);padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:20px;border:1px solid rgba(0,166,126,.2)}
.uw-hero-left h1{color:#fff;font-size:clamp(32px,5vw,48px);font-weight:800;line-height:1.2;margin-bottom:16px}
.uw-hero-left h1 em{color:var(--data-blue);font-style:normal}
.uw-hero-left > p{color:rgba(255,255,255,.6);font-size:17px;line-height:1.7;margin-bottom:32px;max-width:500px}
.uw-hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.uw-btn{padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .25s;line-height:1.5}
.uw-btn-primary{background:var(--data-blue);color:#fff}.uw-btn-primary:hover{background:#0958d9;color:#fff}
.uw-btn-outline{background:transparent;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2)}.uw-btn-outline:hover{border-color:var(--data-blue);color:var(--data-blue)}
.uw-btn-accent{background:var(--accent);color:#fff}.uw-btn-accent:hover{background:#008a66;color:#fff}
.uw-hero-right{position:relative}
.uw-hero-panel{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;backdrop-filter:blur(10px)}
.uw-hero-panel-title{color:rgba(255,255,255,.5);font-size:12px;text-transform:uppercase;letter-spacing:2px;margin-bottom:20px}
.uw-hero-ticker{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.uw-hero-tick{background:rgba(255,255,255,.03);border-radius:6px;padding:10px 14px}
.uw-hero-tick-name{color:rgba(255,255,255,.4);font-size:11px;margin-bottom:2px}
.uw-hero-tick-val{color:#fff;font-size:16px;font-weight:700;font-family:Inter,Arial,sans-serif}
.uw-hero-tick-chg{color:var(--accent);font-size:12px;font-weight:600;font-family:Inter,Arial,sans-serif}

/* Stats Bar */
.uw-stats{max-width:var(--max-w);margin:-40px auto 0;padding:0 24px;position:relative;z-index:10}
.uw-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.uw-stat{background:var(--card);border-radius:var(--radius);padding:24px;text-align:center;border:1px solid var(--border);box-shadow:0 2px 8px rgba(0,0,0,.04);transition:transform .2s,box-shadow .2s}
.uw-stat:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.uw-stat-val{font-family:Inter,Arial,sans-serif;font-size:28px;font-weight:800;color:var(--data-blue);margin-bottom:4px}
.uw-stat-label{color:var(--text2);font-size:13px}

/* Section */
.uw-section{padding:80px 24px}
.uw-section-inner{max-width:var(--max-w);margin:0 auto}
.uw-section-title{font-size:28px;font-weight:800;color:var(--text);margin-bottom:8px;letter-spacing:.5px}
.uw-section-sub{color:var(--text2);font-size:16px;margin-bottom:40px}

/* Product Card Grid */
.uw-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.uw-product-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .25s;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-product-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.08);border-color:var(--data-blue)}
.uw-product-card-code{font-family:Inter,Arial,sans-serif;font-size:13px;font-weight:700;color:var(--data-blue);letter-spacing:1px;margin-bottom:6px}
.uw-product-card-name{font-size:17px;font-weight:700;color:var(--text);margin-bottom:12px}
.uw-product-card-meta{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:13px;color:var(--text2);margin-bottom:14px}
.uw-product-card-meta span{color:var(--text);font-weight:600}
.uw-product-card-link{font-size:13px;color:var(--data-blue);font-weight:600}

/* Category Cards */
.uw-cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.uw-cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:all .25s;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-cat-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.uw-cat-icon{margin-bottom:16px;display:flex;justify-content:center}
.uw-cat-icon svg{width:40px;height:40px}
.uw-cat-name{font-size:16px;font-weight:700;color:var(--text);margin-bottom:4px}
.uw-cat-count{font-size:13px;color:var(--text2)}
.uw-cat-link{display:inline-block;margin-top:12px;font-size:13px;color:var(--data-blue);font-weight:600}

/* Rules Cards */
.uw-rules-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.uw-rule-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .25s;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-rule-card:hover{border-color:var(--data-blue);transform:translateY(-2px)}
.uw-rule-icon{margin-bottom:14px}
.uw-rule-icon svg{width:32px;height:32px}
.uw-rule-title{font-size:18px;font-weight:700;margin-bottom:8px}
.uw-rule-desc{font-size:14px;color:var(--text2);line-height:1.6}

/* News Grid */
.uw-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.uw-news-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .25s;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-news-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.uw-news-img{height:180px;background:linear-gradient(135deg,#e8edf2,#dce3ea);display:flex;align-items:center;justify-content:center;color:var(--text2);font-size:13px}
.uw-news-body{padding:20px}
.uw-news-cat{display:inline-block;background:rgba(22,119,255,.08);color:var(--data-blue);padding:2px 10px;border-radius:4px;font-size:12px;font-weight:600;margin-bottom:10px}
.uw-news-title{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:8px;color:var(--text)}
.uw-news-excerpt{font-size:14px;color:var(--text2);line-height:1.6;margin-bottom:12px}
.uw-news-meta{font-size:12px;color:var(--text2)}
.uw-news-meta span:not(:last-child)::after{content:"·";margin:0 6px}

/* Table Styles */
.uw-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-table-wrapper::before{content:"← 左右滑动查看完整参数 →";display:none;text-align:center;padding:10px;background:var(--bg);font-size:12px;color:var(--text2)}
.uw-table{width:100%;border-collapse:collapse;font-size:13px;min-width:900px}
.uw-table thead{position:sticky;top:0;z-index:2}
.uw-table th{background:var(--primary);color:#fff;padding:12px 10px;font-size:12px;font-weight:600;text-align:center;white-space:nowrap;letter-spacing:.5px}
.uw-table th:first-child,.uw-table th:nth-child(2){text-align:left}
.uw-table td{padding:10px;border-bottom:1px solid var(--border);text-align:center}
.uw-table td:first-child,.uw-table td:nth-child(2){text-align:left}
.uw-table tr:nth-child(even){background:#f8fafc}
.uw-table tr:hover td{background:#e8f4fd}
.uw-table .code{font-family:Inter,Arial,sans-serif;font-weight:700;color:var(--data-blue)}
.uw-table .name{font-weight:600;color:var(--text)}
.uw-table .margin{color:var(--data-blue);font-weight:700;font-family:Inter,Arial,sans-serif}
.uw-table .tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.uw-table .tag-hk{background:rgba(217,119,6,.1);color:var(--warn)}
.uw-table .tag-energy{background:rgba(0,166,126,.1);color:var(--accent)}
.uw-table .tag-metal{background:rgba(22,119,255,.1);color:var(--data-blue)}
.uw-table .tag-fx{background:rgba(155,89,182,.1);color:#9b59b6}
.uw-table .tag-us{background:rgba(52,73,94,.1);color:#34495e}
.uw-table .tag-eu{background:rgba(230,126,34,.1);color:#e67e22}

/* Content Sections */
.uw-content-section{padding:40px 0}
.uw-content-section h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--data-blue)}
.uw-content-section h3{font-size:18px;font-weight:700;margin:24px 0 12px;color:var(--text)}
.uw-content-section p{margin-bottom:14px;color:var(--text2);line-height:1.7}

/* Info Cards */
.uw-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.uw-info-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-info-card h3{font-size:18px;font-weight:700;margin-bottom:12px;color:var(--text);text-align:center}
.uw-info-card p,.uw-info-card ul{font-size:14px;color:var(--text2);line-height:1.7}
.uw-info-card ul{padding-left:18px}
.uw-info-card ul li{margin-bottom:6px}

/* Steps */
.uw-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.uw-step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;position:relative;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.uw-step-num{width:44px;height:44px;border-radius:50%;background:var(--data-blue);color:#fff;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-family:Inter,Arial,sans-serif}
.uw-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.uw-step p{font-size:14px;color:var(--text2)}

/* FAQ */
.uw-faq-list{max-width:800px;margin:0 auto}
.uw-faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:var(--card)}
.uw-faq-q{padding:16px 20px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px}
.uw-faq-q::after{content:"+";font-size:20px;color:var(--data-blue);transition:transform .3s}
.uw-faq-item.open .uw-faq-q::after{content:"−"}
.uw-faq-a{padding:0 20px 16px;font-size:14px;color:var(--text2);line-height:1.7;display:none}
.uw-faq-item.open .uw-faq-a{display:block}

/* Footer */
.uw-footer{background:var(--dark);padding:60px 24px 30px;color:rgba(255,255,255,.65)}
.uw-footer-grid{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.uw-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.uw-footer p,.uw-footer a{font-size:14px;line-height:1.8;display:block}
.uw-footer a{color:rgba(255,255,255,.5)}.uw-footer a:hover{color:var(--data-blue)}
.uw-footer-bottom{max-width:var(--max-w);margin:0 auto;border-top:1px solid rgba(255,255,255,.08);padding-top:24px}
.uw-footer-links{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:12px}
.uw-footer-links a{font-size:13px;color:rgba(255,255,255,.4)}
.uw-footer-risk{font-size:12px;color:rgba(255,255,255,.35);line-height:1.7}
.uw-footer-risk strong{color:var(--warn)}

/* Content page layout */
.uw-page-content{max-width:var(--max-w);margin:0 auto;padding:40px 24px}

/* Mobile */
@media(max-width:1024px){
  .uw-card-grid{grid-template-columns:repeat(2,1fr)}
  .uw-cat-grid{grid-template-columns:repeat(3,1fr)}
  .uw-news-grid{grid-template-columns:1fr}
  .uw-footer-grid{grid-template-columns:1fr 1fr}
  .uw-info-grid{grid-template-columns:1fr}
  .uw-steps{grid-template-columns:repeat(2,1fr)}
  .uw-hero-inner{grid-template-columns:1fr;gap:40px}
  .uw-stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  :root{--nav-h:var(--nav-h-m)}
  .uw-cell-icon svg{width:20px;height:20px}
  .uw-nav-links{display:none}
  .uw-hamburger{display:block}
  .uw-hero{padding:100px 16px 60px}
  .uw-hero-left h1{font-size:28px}
  .uw-section{padding:50px 16px}
  .uw-card-grid{grid-template-columns:1fr}
  .uw-cat-grid{grid-template-columns:repeat(2,1fr)}
  .uw-stats-grid{grid-template-columns:repeat(2,1fr)}
  .uw-rules-grid{grid-template-columns:1fr}
  .uw-footer-grid{grid-template-columns:1fr}
  .uw-banner{padding:100px 16px 50px}
  .uw-steps{grid-template-columns:1fr}
  .uw-table-wrapper::before{display:block}
  .uw-table{min-width:800px}
}

/* Print */
@media print{
  .uw-nav,.uw-footer,.uw-mobile-menu{display:none}
  body{background:#fff;color:#000}
}