/* 颜色参考 GO Markets */
:root { --primary: #0a1628; --accent: #0066cc; --gold: #c9a84c; --bg: #f5f7fa; }
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; color:#1a1a2e; }

/* Header 固定顶部 */
.site-header { position:fixed; top:0; left:0; right:0; z-index:1000; background:#0a1628; color:#fff; }
.header-inner { max-width:1400px; margin:0 auto; display:flex; align-items:center; padding:0 24px; height:72px; }
.logo img { height:40px; }
.main-nav { display:flex; margin-left:40px; gap:8px; }
.main-nav a { color:#ccd6e0; padding:8px 16px; text-decoration:none; border-radius:4px; }
.main-nav a.active, .main-nav a:hover { color:#fff; background:rgba(255,255,255,0.1); }
.header-actions { margin-left:auto; display:flex; align-items:center; gap:12px; }

/* 幻灯片满屏 */
.hero-slider { position:relative; height:100vh; overflow:hidden; margin-top:0; }
.slide { position:absolute; inset:0; opacity:0; transition:opacity 1s; }
.slide.active { opacity:1; }
.slide-bg { position:absolute; inset:0; background-size:cover; background-position:center; }
.slide-bg::after { content:''; position:absolute; inset:0; background:rgba(10,22,40,0.6); }
.slide-content { position:relative; z-index:2; display:flex; flex-direction:column; align-items:center; justify-content:center; height:100%; text-align:center; color:#fff; }
.slide-content h1 { font-size:56px; margin-bottom:16px; }
.slide-content p { font-size:20px; margin-bottom:32px; color:#e0e8f0; }

/* 移动端适配 */
@media (max-width: 768px) {
  .header-inner { height:56px; padding:0 16px; }
  .main-nav { display:none; } /* 汉堡菜单展开 */
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:56px; left:0; right:0; background:#0a1628; padding:16px; }
  .header-actions .btn { display:none; }
  .menu-toggle { display:block; }
  .hero-slider { height:80vh; }
  .slide-content h1 { font-size:32px; }
  .mobile-fixed-bar { position:fixed; bottom:0; left:0; right:0; display:flex; z-index:999; background:#0a1628; padding:8px; gap:8px; }
  .mobile-btn { flex:1; text-align:center; padding:12px; border-radius:6px; font-weight:bold; text-decoration:none; }
  .mobile-btn.primary { background:#0066cc; color:#fff; }
  .mobile-btn.outline { border:1px solid #fff; color:#fff; }
  .site-footer { padding-bottom:80px; }
}
@media (min-width:769px) { .menu-toggle, .mobile-fixed-bar { display:none; } }

/* ========== 全局 ========== */
:root{
  --primary:#0a1628;
  --accent:#0066cc;
  --accent-hover:#0052a3;
  --gold:#c9a84c;
  --bg-soft:#f5f7fa;
  --text:#1a1a2e;
  --text-light:#6b7a8f;
  --border:#e3e9f0;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:#fff;line-height:1.7;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}

/* ========== Header ========== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,22,40,0.95);backdrop-filter:blur(10px);color:#fff;transition:all .3s;}
.header-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;padding:0 24px;height:72px;}
.logo img{height:40px;width:auto;}
.main-nav{display:flex;margin-left:48px;gap:4px;}
.main-nav a{color:#ccd6e0;padding:9px 18px;border-radius:6px;font-size:15px;transition:all .25s;position:relative;}
.main-nav a.active,.main-nav a:hover{color:#fff;background:rgba(255,255,255,0.08);}
.main-nav a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--accent);border-radius:2px;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn{display:inline-block;padding:10px 22px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .25s;border:1px solid transparent;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,102,204,0.35);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,0.4);}
.btn-outline:hover{background:#fff;color:var(--primary);}
.btn-lg{padding:14px 36px;font-size:16px;}
.btn-block{display:block;text-align:center;width:100%;}
.qq-copy{font-size:13px;color:#a8b8cc;cursor:pointer;padding:6px 10px;border-radius:4px;background:rgba(255,255,255,0.05);transition:all .2s;white-space:nowrap;}
.qq-copy:hover{background:rgba(0,102,204,0.3);color:#fff;}
.menu-toggle{display:none;font-size:24px;cursor:pointer;color:#fff;margin-left:auto;}

/* ========== 幻灯片 ========== */
.hero-slider{position:relative;height:100vh;min-height:600px;overflow:hidden;}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;z-index:1;}
.slide.active{opacity:1;z-index:2;}
.slide-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);animation:kenburns 8s ease-out infinite alternate;}
.slide.active .slide-bg{animation:kenburns 8s ease-out infinite alternate;}
@keyframes kenburns{from{transform:scale(1.05);}to{transform:scale(1.15);}}
.slide-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,22,40,0.85) 0%,rgba(10,22,40,0.55) 100%);}
.slide-content{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:#fff;padding:0 24px;}
.slide-content h1{font-size:clamp(32px,5vw,64px);font-weight:800;margin-bottom:20px;letter-spacing:1px;opacity:0;transform:translateY(30px);animation:fadeUp 1s .3s forwards;}
.slide-content p{font-size:clamp(15px,1.6vw,22px);color:#d0dce8;margin-bottom:36px;opacity:0;transform:translateY(30px);animation:fadeUp 1s .5s forwards;}
.slide-content .btn{opacity:0;transform:translateY(30px);animation:fadeUp 1s .7s forwards;}
@keyframes fadeUp{to{opacity:1;transform:translateY(0);}}
.slider-dots{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);display:flex;gap:12px;z-index:5;}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all .3s;}
.dot.active{background:var(--accent);width:28px;border-radius:5px;}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);font-size:48px;color:rgba(255,255,255,0.6);cursor:pointer;z-index:5;padding:0 20px;user-select:none;transition:color .3s;}
.slider-arrow:hover{color:#fff;}
.slider-arrow.prev{left:20px;}
.slider-arrow.next{right:20px;}

/* ========== 通用 Section ========== */
.section{padding:100px 0;}
.section-head{text-align:center;max-width:760px;margin:0 auto 60px;}
.section-head h2{font-size:clamp(24px,3vw,40px);font-weight:800;color:var(--primary);margin-bottom:16px;letter-spacing:1px;position:relative;display:inline-block;}
.section-head h2::after{content:'';display:block;width:50px;height:3px;background:var(--accent);margin:16px auto 0;border-radius:2px;}
.section-head p{color:var(--text-light);font-size:16px;}

/* ========== 交易产品 ========== */
.products-section{background:var(--bg-soft);}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
.product-card{background:#fff;border-radius:14px;padding:36px 28px;text-align:center;transition:all .35s;border:1px solid var(--border);position:relative;overflow:hidden;}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--gold));transform:scaleX(0);transition:transform .4s;transform-origin:left;}
.product-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(10,22,40,0.12);border-color:transparent;}
.product-card:hover::before{transform:scaleX(1);}
.product-icon{font-size:44px;margin-bottom:18px;display:block;}
.product-card h3{font-size:20px;color:var(--primary);margin-bottom:12px;font-weight:700;}
.product-card p{color:var(--text-light);font-size:14px;line-height:1.75;}

/* ========== 交易账户 ========== */
.accounts-section{background:#fff;}
.account-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:32px;max-width:900px;margin:0 auto;}
.account-card{background:#fff;border:2px solid var(--border);border-radius:16px;padding:40px 32px;position:relative;transition:all .35s;}
.account-card:hover{border-color:var(--accent);box-shadow:0 20px 50px rgba(0,102,204,0.12);transform:translateY(-6px);}
.account-card.highlight{border-color:var(--accent);background:linear-gradient(180deg,#fff 0%,#f0f7ff 100%);}
.acc-badge{position:absolute;top:-14px;right:24px;background:linear-gradient(135deg,var(--gold),#e0b85c);color:#fff;padding:5px 16px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:1px;}
.account-card h3{font-size:24px;color:var(--primary);margin-bottom:16px;font-weight:800;}
.acc-price{font-size:18px;color:var(--text-light);margin-bottom:24px;}
.acc-price strong{font-size:36px;color:var(--accent);font-weight:800;}
.acc-list{list-style:none;margin-bottom:32px;}
.acc-list li{padding:12px 0 12px 28px;border-bottom:1px dashed var(--border);font-size:14px;color:var(--text);position:relative;}
.acc-list li::before{content:'✓';position:absolute;left:0;top:12px;color:var(--accent);font-weight:700;}
.acc-list li:last-child{border-bottom:none;}

/* ========== 平台交易情况 ========== */
.stats-section{background:linear-gradient(135deg,var(--primary) 0%,#132a4a 100%);color:#fff;position:relative;overflow:hidden;}
.stats-section::before{content:'';position:absolute;top:-50%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(0,102,204,0.3),transparent 70%);border-radius:50%;}
.stats-section .section-head h2{color:#fff;}
.stats-section .section-head p{color:#a8b8cc;}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;position:relative;z-index:2;}
.stat-item{text-align:center;padding:32px 16px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;transition:all .35s;backdrop-filter:blur(6px);}
.stat-item:hover{background:rgba(0,102,204,0.2);transform:translateY(-6px);border-color:var(--accent);}
.stat-num{font-size:clamp(28px,3.5vw,42px);font-weight:800;color:#fff;margin-bottom:8px;background:linear-gradient(135deg,#fff,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-label{font-size:14px;color:#a8b8cc;letter-spacing:1px;}

/* ========== 新闻资讯 ========== */
.news-section{background:var(--bg-soft);}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;}
.news-card{background:#fff;border-radius:14px;padding:32px 28px;transition:all .35s;border:1px solid var(--border);display:flex;flex-direction:column;}
.news-card:hover{transform:translateY(-6px);box-shadow:0 20px 45px rgba(10,22,40,0.1);border-color:var(--accent);}
.news-date{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:12px;letter-spacing:1px;}
.news-card h3{font-size:18px;color:var(--primary);margin-bottom:14px;line-height:1.5;font-weight:700;}
.news-card h3 a:hover{color:var(--accent);}
.news-card p{color:var(--text-light);font-size:14px;margin-bottom:18px;flex:1;}
.read-more{color:var(--accent);font-weight:600;font-size:14px;transition:all .25s;display:inline-block;}
.read-more:hover{transform:translateX(4px);}
.news-more{text-align:center;margin-top:48px;}
.news-more .btn-outline{color:var(--accent);border-color:var(--accent);}
.news-more .btn-outline:hover{background:var(--accent);color:#fff;}
.empty-tip{text-align:center;color:var(--text-light);padding:40px;grid-column:1/-1;}

/* ========== 首页底部小后台按钮 ========== */
.home-admin-login{text-align:center;padding:30px 0 10px;background:var(--bg-soft);}
.small-admin-btn{display:inline-block;padding:8px 22px;font-size:13px;color:var(--text-light);border:1px solid var(--border);border-radius:20px;transition:all .25s;background:#fff;}
.small-admin-btn:hover{color:var(--accent);border-color:var(--accent);}

/* ========== Footer ========== */
.site-footer{background:var(--primary);color:#a8b8cc;padding:70px 0 30px;margin-top:0;}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;}
.footer-col h4{color:#fff;font-size:17px;margin-bottom:20px;font-weight:700;position:relative;padding-bottom:12px;}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--accent);}
.footer-col p{font-size:14px;line-height:1.85;margin-bottom:10px;}
.footer-col a{display:block;font-size:14px;color:#a8b8cc;padding:5px 0;transition:all .25s;}
.footer-col a:hover{color:#fff;padding-left:6px;}
.admin-link{color:var(--gold)!important;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);margin-top:50px;padding:24px;text-align:center;font-size:13px;color:#7a8ba0;}

/* ========== 移动端固定底栏 ========== */
.mobile-fixed-bar{display:none;}

/* ========== 响应式 ========== */
@media(max-width:900px){
  .footer-inner{grid-template-columns:1fr;gap:32px;}
  .slider-arrow{display:none;}
}
@media(max-width:768px){
  .header-inner{height:60px;padding:0 16px;}
  .main-nav{display:none;}
  .main-nav.open{display:flex;flex-direction:column;position:absolute;top:60px;left:0;right:0;background:var(--primary);padding:16px;gap:4px;box-shadow:0 10px 30px rgba(0,0,0,0.3);}
  .main-nav.open a{padding:12px 16px;}
  .header-actions{display:none;}
  .menu-toggle{display:block;}
  .logo img{height:32px;}
  .hero-slider{height:80vh;min-height:480px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:40px;}
  .product-grid,.account-grid,.news-grid{grid-template-columns:1fr;gap:18px;}
  .account-card{padding:32px 24px;}
  .home-admin-login{padding:20px 0 90px;}
  .mobile-fixed-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:999;background:var(--primary);padding:8px;gap:8px;box-shadow:0 -4px 20px rgba(0,0,0,0.25);}
  .mobile-btn{flex:1;text-align:center;padding:12px;border-radius:8px;font-weight:700;font-size:15px;transition:all .25s;}
  .mobile-btn.primary{background:var(--accent);color:#fff;}
  .mobile-btn.outline{border:1px solid rgba(255,255,255,0.5);color:#fff;}
  .site-footer{padding-bottom:100px;}
}

/* ========== 内页幻灯片 ========== */
.page-hero{position:relative;height:60vh;min-height:380px;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;margin-top:72px;}
.page-hero-small{height:44vh;min-height:300px;}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,22,40,0.85),rgba(10,22,40,0.6));}
.page-hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px;}
.page-hero-content h1{font-size:clamp(28px,4vw,48px);font-weight:800;margin-bottom:14px;letter-spacing:1px;}
.page-hero-content p{font-size:clamp(14px,1.4vw,18px);color:#d0dce8;}

/* ========== 新闻列表 & 分页 ========== */
.news-list-section{background:var(--bg-soft);}
.pagination{text-align:center;margin-top:48px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap;}
.page-btn{display:inline-block;padding:9px 18px;border-radius:6px;background:#fff;border:1px solid var(--border);color:var(--text);font-size:14px;transition:all .25s;}
.page-btn:hover{border-color:var(--accent);color:var(--accent);}
.page-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}

/* ========== 文章详情 ========== */
.article-container{display:grid;grid-template-columns:1fr 320px;gap:48px;max-width:1200px;}
.article-main{background:#fff;border-radius:12px;padding:48px;border:1px solid var(--border);}
.article-body{font-size:16px;line-height:2;color:#2a3a4e;}
.article-body h2{font-size:24px;color:var(--primary);margin:32px 0 16px;font-weight:800;padding-left:14px;border-left:4px solid var(--accent);}
.article-body h3{font-size:19px;color:var(--primary);margin:24px 0 12px;font-weight:700;}
.article-body p{margin-bottom:18px;}
.article-body ul,.article-body ol{margin:0 0 18px 24px;}
.article-body li{margin-bottom:8px;}
.article-body strong{color:var(--primary);}
.article-body img{max-width:100%;border-radius:8px;margin:16px 0;}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:28px;border-top:1px solid var(--border);flex-wrap:wrap;}
.article-nav-link{font-size:14px;color:var(--accent);transition:all .25s;}
.article-nav-link:hover{transform:translateX(4px);}
.article-nav-link.right{margin-left:auto;}
.article-back{text-align:center;margin-top:32px;}
.article-sidebar{display:flex;flex-direction:column;gap:24px;}
.sidebar-box{background:#fff;border-radius:12px;padding:28px;border:1px solid var(--border);}
.sidebar-box h3{font-size:16px;color:var(--primary);margin-bottom:18px;font-weight:700;padding-bottom:12px;border-bottom:2px solid var(--bg-soft);}
.sidebar-list{list-style:none;}
.sidebar-list li{margin-bottom:12px;font-size:14px;line-height:1.6;}
.sidebar-list a{color:#4a5a70;transition:color .25s;}
.sidebar-list a:hover{color:var(--accent);}
.sidebar-cta{background:linear-gradient(135deg,var(--primary),#132a4a);color:#fff;}
.sidebar-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,0.15);}
.sidebar-cta p{font-size:14px;color:#a8b8cc;margin-bottom:18px;}

/* ========== 关于页 ========== */
.about-intro{background:#fff;}
.about-text{max-width:900px;margin:0 auto;text-align:center;}
.about-text p{font-size:16px;color:var(--text-light);line-height:2;margin-bottom:20px;}
.about-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;margin-top:48px;}
.about-stat{text-align:center;padding:28px 16px;background:var(--bg-soft);border-radius:12px;}
.about-stat strong{display:block;font-size:34px;color:var(--accent);font-weight:800;margin-bottom:6px;}
.about-stat span{font-size:14px;color:var(--text-light);}
.partners-section{background:var(--bg-soft);}
.partner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.partner-card{background:#fff;border-radius:12px;padding:36px 28px;text-align:center;border:1px solid var(--border);transition:all .35s;}
.partner-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(10,22,40,0.1);border-color:var(--accent);}
.partner-logo{font-size:48px;margin-bottom:16px;}
.partner-card h3{font-size:18px;color:var(--primary);margin-bottom:10px;font-weight:700;}
.partner-card p{font-size:14px;color:var(--text-light);}
.regulation-section{background:linear-gradient(135deg,var(--primary),#132a4a);color:#fff;}
.regulation-section .section-head h2{color:#fff;}
.regulation-section .section-head p{color:#a8b8cc;}
.regulation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;}
.reg-card{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:36px 28px;text-align:center;transition:all .35s;}
.reg-card:hover{background:rgba(0,102,204,0.15);border-color:var(--accent);transform:translateY(-6px);}
.reg-icon{font-size:44px;margin-bottom:18px;}
.reg-card h3{color:#fff;font-size:18px;margin-bottom:12px;font-weight:700;}
.reg-card p{color:#a8b8cc;font-size:14px;line-height:1.8;}
.awards-section{background:#fff;}
.award-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.award-card{background:var(--bg-soft);border-radius:12px;padding:32px 28px;border-left:4px solid var(--gold);transition:all .35s;}
.award-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(10,22,40,0.1);}
.award-year{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:1px;margin-bottom:10px;}
.award-card h3{font-size:17px;color:var(--primary);margin-bottom:8px;font-weight:700;line-height:1.5;}
.award-card p{font-size:13px;color:var(--text-light);}

/* ========== 交易页 ========== */
.tool-section{background:#fff;}
.tool-alt{background:var(--bg-soft);}
.tool-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.tool-row.reverse{direction:rtl;}
.tool-row.reverse > *{direction:ltr;}
.tool-image img{border-radius:14px;box-shadow:0 20px 50px rgba(10,22,40,0.15);width:100%;}
.tool-tag{display:inline-block;padding:5px 14px;background:rgba(0,102,204,0.1);color:var(--accent);border-radius:20px;font-size:13px;font-weight:700;margin-bottom:14px;}
.tool-text h2{font-size:clamp(22px,2.6vw,34px);color:var(--primary);margin-bottom:18px;font-weight:800;line-height:1.35;}
.tool-text > p{font-size:15px;color:var(--text-light);line-height:1.9;margin-bottom:22px;}
.tool-list{list-style:none;margin-bottom:28px;}
.tool-list li{padding:10px 0 10px 30px;position:relative;font-size:14px;color:var(--text);border-bottom:1px dashed var(--border);}
.tool-list li::before{content:'✓';position:absolute;left:0;top:10px;color:var(--accent);font-weight:700;}
.app-section{background:linear-gradient(135deg,var(--primary),#132a4a);color:#fff;}
.app-section .section-head h2{color:#fff;}
.app-section .section-head p{color:#a8b8cc;}
.app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.app-card{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:36px 28px;text-align:center;transition:all .35s;}
.app-card:hover{background:rgba(0,102,204,0.2);transform:translateY(-6px);border-color:var(--accent);}
.app-icon{font-size:44px;margin-bottom:16px;}
.app-card h3{color:#fff;font-size:18px;margin-bottom:10px;font-weight:700;}
.app-card p{color:#a8b8cc;font-size:14px;line-height:1.8;}
.features-section{background:#fff;}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;}
.feature-item{padding:36px 28px;border-radius:12px;background:var(--bg-soft);transition:all .35s;}
.feature-item:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(10,22,40,0.1);}
.feature-num{font-size:36px;font-weight:800;color:var(--accent);opacity:0.25;margin-bottom:12px;}
.feature-item h3{font-size:18px;color:var(--primary);margin-bottom:10px;font-weight:700;}
.feature-item p{font-size:14px;color:var(--text-light);line-height:1.8;}

/* ========== 联系页 ========== */
.contact-section{background:var(--bg-soft);}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;max-width:960px;margin:0 auto;}
.contact-card{background:#fff;border-radius:14px;padding:44px 28px;text-align:center;border:1px solid var(--border);transition:all .35s;}
.contact-card:hover{transform:translateY(-6px);box-shadow:0 20px 45px rgba(10,22,40,0.1);border-color:var(--accent);}
.contact-icon{font-size:44px;margin-bottom:16px;}
.contact-card h3{font-size:17px;color:var(--primary);margin-bottom:14px;font-weight:700;}
.contact-value{font-size:22px;color:var(--accent);font-weight:800;margin-bottom:8px;cursor:pointer;transition:opacity .25s;}
.contact-value a{color:var(--accent);}
.contact-value:hover{opacity:0.75;}
.contact-tip{font-size:12px;color:var(--text-light);}
.support-section{background:linear-gradient(135deg,var(--primary),#132a4a);color:#fff;}
.support-section .section-head h2{color:#fff;}
.support-section .section-head p{color:#a8b8cc;}
.support-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.support-card{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:32px 26px;transition:all .35s;}
.support-card:hover{background:rgba(0,102,204,0.15);border-color:var(--accent);transform:translateY(-6px);}
.support-card h3{color:#fff;font-size:17px;margin-bottom:12px;font-weight:700;}
.support-card p{color:#a8b8cc;font-size:14px;line-height:1.8;margin-bottom:18px;}
.risk-section{background:#fff;}
.risk-box{max-width:900px;margin:0 auto;padding:44px;background:#fff8f0;border-left:4px solid #e67e22;border-radius:10px;}
.risk-box h2{font-size:22px;color:#b35a00;margin-bottom:18px;font-weight:800;}
.risk-box p{font-size:14px;color:#7a5a3a;line-height:2;margin-bottom:14px;}

/* ========== 响应式 ========== */
@media(max-width:900px){
  .article-container{grid-template-columns:1fr;}
  .article-main{padding:32px 24px;}
  .tool-row{grid-template-columns:1fr;gap:32px;}
  .tool-row.reverse{direction:ltr;}
  .page-hero{height:44vh;min-height:300px;margin-top:60px;}
}
@media(max-width:768px){
  .article-body{font-size:15px;}
  .article-body h2{font-size:20px;}
  .contact-value{font-size:19px;}
  .risk-box{padding:28px 22px;}
  .about-stat strong{font-size:26px;}
}

/* ========== 通用 Section Tag ========== */
.section-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--accent);background:rgba(0,102,204,0.08);padding:6px 16px;border-radius:20px;margin-bottom:16px;text-transform:uppercase;}
.section-tag.light{color:#c9a84c;background:rgba(201,168,76,0.15);}
.section-foot{text-align:center;margin-top:48px;}
.btn-outline-dark{background:#fff;color:var(--primary);border:1px solid var(--border);}
.btn-outline-dark:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.5);}
.btn-ghost:hover{background:#fff;color:var(--primary);}
.btn-gold{background:linear-gradient(135deg,#c9a84c,#e0b85c);color:#fff;}
.btn-gold:hover{box-shadow:0 8px 24px rgba(201,168,76,0.4);transform:translateY(-2px);}

/* ========== 幻灯片增强 ========== */
.slide-sub{display:inline-block;font-size:13px;font-weight:700;letter-spacing:4px;color:#c9a84c;margin-bottom:18px;padding:6px 18px;border:1px solid rgba(201,168,76,0.5);border-radius:20px;opacity:0;transform:translateY(20px);animation:fadeUp 1s .2s forwards;}
.slide-content h1{font-size:clamp(32px,5vw,64px);font-weight:800;margin-bottom:22px;letter-spacing:1px;line-height:1.15;opacity:0;transform:translateY(30px);animation:fadeUp 1s .4s forwards;}
.slide-content p{font-size:clamp(15px,1.6vw,20px);color:#d0dce8;margin-bottom:38px;max-width:700px;opacity:0;transform:translateY(30px);animation:fadeUp 1s .6s forwards;}
.slide-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;opacity:0;transform:translateY(30px);animation:fadeUp 1s .8s forwards;}

/* ========== 信任背书栏 ========== */
.trust-bar{background:#fff;border-bottom:1px solid var(--border);padding:36px 0;position:relative;z-index:5;margin-top:-1px;}
.trust-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}
.trust-item{display:flex;align-items:center;gap:16px;padding:8px 16px;}
.trust-icon{font-size:34px;flex-shrink:0;}
.trust-item h4{font-size:15px;color:var(--primary);font-weight:700;margin-bottom:4px;}
.trust-item p{font-size:13px;color:var(--text-light);}

/* ========== 平台实力介绍 ========== */
.intro-section{background:#fff;}
.intro-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;}
.intro-text h2{font-size:clamp(24px,3vw,38px);color:var(--primary);font-weight:800;margin-bottom:22px;line-height:1.3;}
.intro-text > p{font-size:15px;color:var(--text-light);line-height:2;margin-bottom:18px;}
.intro-list{list-style:none;margin:24px 0 32px;}
.intro-list li{padding:10px 0 10px 32px;position:relative;font-size:14px;color:var(--text);border-bottom:1px dashed var(--border);}
.intro-list li::before{content:'✓';position:absolute;left:0;top:10px;color:var(--accent);font-weight:800;font-size:16px;}
.intro-actions{display:flex;gap:14px;flex-wrap:wrap;}
.intro-visual{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.intro-card{background:var(--bg-soft);border-radius:14px;padding:28px 22px;transition:all .35s;border:1px solid transparent;}
.intro-card:hover{background:#fff;border-color:var(--accent);transform:translateY(-6px);box-shadow:0 16px 40px rgba(10,22,40,0.1);}
.intro-card-icon{font-size:34px;margin-bottom:14px;}
.intro-card h3{font-size:15px;color:var(--primary);font-weight:700;margin-bottom:8px;}
.intro-card p{font-size:13px;color:var(--text-light);line-height:1.7;}

/* ========== 交易产品增强 ========== */
.product-card{position:relative;padding:40px 28px 32px;}
.product-tag{display:inline-block;margin-top:16px;font-size:12px;color:var(--accent);background:rgba(0,102,204,0.08);padding:4px 12px;border-radius:12px;font-weight:600;}

/* ========== 交易流程 ========== */
.steps-section{background:var(--bg-soft);}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;position:relative;}
.step-item{background:#fff;border-radius:14px;padding:44px 32px;text-align:center;position:relative;border:1px solid var(--border);transition:all .35s;}
.step-item:hover{transform:translateY(-8px);box-shadow:0 20px 45px rgba(10,22,40,0.12);border-color:var(--accent);}
.step-num{font-size:52px;font-weight:900;color:var(--accent);opacity:0.18;margin-bottom:12px;line-height:1;}
.step-item h3{font-size:19px;color:var(--primary);margin-bottom:12px;font-weight:800;}
.step-item p{font-size:14px;color:var(--text-light);line-height:1.8;}

/* ========== 监管与安全 ========== */
.security-section{background:linear-gradient(135deg,var(--primary),#132a4a);color:#fff;position:relative;overflow:hidden;}
.security-section::before{content:'';position:absolute;top:-30%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(0,102,204,0.25),transparent 70%);border-radius:50%;}
.security-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center;position:relative;z-index:2;}
.security-text h2{font-size:clamp(24px,3vw,36px);color:#fff;font-weight:800;margin-bottom:18px;line-height:1.3;}
.security-text > p{font-size:15px;color:#a8b8cc;line-height:1.9;margin-bottom:28px;}
.security-list{list-style:none;}
.security-list li{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,0.08);}
.security-list li:last-child{border-bottom:none;}
.sec-icon{font-size:34px;flex-shrink:0;}
.security-list h4{color:#fff;font-size:16px;margin-bottom:6px;font-weight:700;}
.security-list p{color:#a8b8cc;font-size:14px;line-height:1.75;}
.security-visual{display:flex;justify-content:center;align-items:center;}
.security-badge{width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(0,102,204,0.3),rgba(0,102,204,0.05));display:flex;align-items:center;justify-content:center;position:relative;animation:floatBadge 4s ease-in-out infinite;}
@keyframes floatBadge{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.badge-inner{width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,0.06);border:2px solid rgba(201,168,76,0.5);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;backdrop-filter:blur(8px);}
.badge-icon{font-size:44px;margin-bottom:10px;}
.badge-inner h3{font-size:34px;color:#c9a84c;font-weight:900;letter-spacing:2px;}
.badge-inner p{font-size:16px;color:#fff;margin:4px 0 10px;font-weight:600;}
.badge-inner span{font-size:11px;letter-spacing:3px;color:#a8b8cc;}

/* ========== 客户评价 ========== */
.testimonials-section{background:#fff;}
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;}
.testimonial-card{background:var(--bg-soft);border-radius:14px;padding:36px 32px;position:relative;transition:all .35s;border:1px solid transparent;}
.testimonial-card:hover{background:#fff;border-color:var(--accent);transform:translateY(-6px);box-shadow:0 20px 45px rgba(10,22,40,0.1);}
.quote{font-size:60px;color:var(--accent);opacity:0.2;line-height:0.8;font-family:Georgia,serif;margin-bottom:8px;}
.testimonial-card > p{font-size:15px;color:var(--text);line-height:1.9;margin-bottom:24px;font-style:italic;}
.testimonial-author{display:flex;align-items:center;gap:14px;padding-top:20px;border-top:1px solid var(--border);}
.author-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#4a90e2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;flex-shrink:0;}
.testimonial-author strong{display:block;font-size:15px;color:var(--primary);margin-bottom:2px;}
.testimonial-author span{font-size:12px;color:var(--text-light);}

/* ========== FAQ ========== */
.faq-section{background:var(--bg-soft);}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border-radius:12px;margin-bottom:14px;border:1px solid var(--border);overflow:hidden;transition:all .3s;}
.faq-item:hover{border-color:var(--accent);}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:22px 28px;cursor:pointer;font-size:16px;font-weight:700;color:var(--primary);user-select:none;}
.faq-arrow{font-size:24px;color:var(--accent);transition:transform .3s;font-weight:300;line-height:1;}
.faq-item.open .faq-arrow{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:all .35s ease;}
.faq-a p{padding:0 28px 24px;font-size:14px;color:var(--text-light);line-height:1.9;}
.faq-item.open .faq-a{max-height:300px;}

/* ========== CTA ========== */
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,#1e3a5f 100%);padding:80px 0;position:relative;overflow:hidden;}
.cta-section::before{content:'';position:absolute;top:-50%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(201,168,76,0.15),transparent 70%);border-radius:50%;}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-text h2{font-size:clamp(24px,3vw,36px);color:#fff;font-weight:800;margin-bottom:12px;}
.cta-text p{font-size:16px;color:#a8b8cc;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ========== 响应式 ========== */
@media(max-width:900px){
  .intro-grid{grid-template-columns:1fr;gap:40px;}
  .security-grid{grid-template-columns:1fr;gap:40px;}
  .security-visual{margin-top:20px;}
  .intro-visual{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .slide-content h1{font-size:30px;}
  .slide-content p{font-size:14px;margin-bottom:28px;}
  .slide-actions{flex-direction:column;width:100%;max-width:280px;}
  .slide-actions .btn{width:100%;text-align:center;}
  .slide-sub{font-size:11px;letter-spacing:2px;padding:5px 12px;}
  .trust-inner{grid-template-columns:1fr 1fr;gap:14px;}
  .trust-item{flex-direction:column;text-align:center;gap:8px;padding:8px;}
  .trust-icon{font-size:26px;}
  .trust-item h4{font-size:13px;}
  .trust-item p{font-size:11px;}
  .intro-visual{grid-template-columns:1fr;}
  .cta-inner{text-align:center;flex-direction:column;}
  .cta-actions{width:100%;justify-content:center;}
  .security-badge{width:220px;height:220px;}
  .badge-inner{width:170px;height:170px;}
  .badge-inner h3{font-size:26px;}
  .badge-icon{font-size:34px;}
}

/* ========== Footer 风险提示条 ========== */
.footer-risk{background:rgba(0,0,0,0.25);padding:24px 0;border-top:1px solid rgba(255,255,255,0.06);}
.footer-risk-inner{max-width:1280px;margin:0 auto;padding:0 24px;}
.footer-risk p{font-size:12px;color:#7a8ba0;line-height:1.9;text-align:justify;}

/* 底部 footer 内的链接颜色微调 */
.site-footer .footer-col p a{display:inline;color:var(--gold);}
.site-footer .footer-col p a:hover{padding-left:0;color:#fff;}
.qq-copy-footer{color:var(--gold);font-weight:600;transition:opacity .25s;}
.qq-copy-footer:hover{opacity:0.75;}

/* 移动端底部 footer 间距（避免被固定栏遮挡） */
@media(max-width:768px){
  .site-footer{padding-bottom:0;}
  .footer-bottom{padding-bottom:100px;}
}

/* ========== 右下角隐蔽的设置图标（进入后台） ========== */
.admin-gear{
  position:fixed;
  right:24px;
  bottom:24px;
  width:40px;
  height:40px;
  border-radius:50%;
  background:rgba(10,22,40,0.08);
  color:rgba(10,22,40,0.35);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:998;
  transition:all .35s cubic-bezier(.22,1,.36,1);
  opacity:0.35;
  backdrop-filter:blur(4px);
  text-decoration:none;
}
.admin-gear:hover{
  opacity:1;
  background:var(--primary);
  color:#fff;
  transform:rotate(90deg) scale(1.08);
  box-shadow:0 8px 24px rgba(10,22,40,0.28);
}
.admin-gear svg{transition:transform .35s;}
.admin-gear:hover svg{transform:rotate(-90deg);}

/* 手机端：更小、更隐蔽，避免与底部固定栏重叠 */
@media(max-width:768px){
  .admin-gear{
    width:34px;
    height:34px;
    right:12px;
    bottom:74px;        /* 抬高，避开 mobile-fixed-bar */
    opacity:0.28;
  }
  .admin-gear svg{width:16px;height:16px;}
}

/* ========== 底部联系方式增强 ========== */
.footer-contact-line{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  line-height:2;
  color:#a8b8cc;
  margin-bottom:6px;
  flex-wrap:wrap;
}
.footer-contact-line .fc-label{
  color:#7a8ba0;
  font-weight:600;
  flex-shrink:0;
}
.footer-contact-line a{
  color:var(--gold);
  transition:color .25s;
  text-decoration:none;
}
.footer-contact-line a:hover{color:#fff;}

/* QQ 复制样式 */
.qq-copy-footer{
  color:var(--gold);
  font-weight:600;
  cursor:pointer;
  transition:all .25s;
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.qq-copy-footer:hover{color:#fff;}
.qq-copy-footer .fc-tip{
  font-size:11px;
  font-style:normal;
  color:#7a8ba0;
  background:rgba(255,255,255,0.06);
  padding:2px 8px;
  border-radius:10px;
  transition:all .25s;
}
.qq-copy-footer:hover .fc-tip{
  background:rgba(201,168,76,0.18);
  color:var(--gold);
}
/* 复制成功状态 */
.qq-copy-footer.copied{color:#27ae60;}
.qq-copy-footer.copied .fc-tip{
  background:rgba(39,174,96,0.2);
  color:#27ae60;
}