/* === 欧交易所注册 - 全局样式 === */
:root {
  --bg-deep: #0b1120;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --gold: #f0a500;
  --gold-light: #fbbf24;
  --orange: #f97316;
  --orange-light: #fb923c;
  --blue: #3b82f6;
  --blue-dark: #1d4ed8;
  --white: #ffffff;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --border: #1f2937;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-gold: 0 0 30px rgba(240, 165, 0, 0.15);
  --radius: 12px;
  --transition: 0.3s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg-deep);color:var(--white);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* === 导航栏 === */
header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(11,17,32,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(240,165,0,0.1);transition:var(--transition)}
header.scrolled{background:rgba(11,17,32,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.5)}
header .container{display:flex;justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px}
.logo{font-size:1.5rem;font-weight:700;color:var(--gold);display:flex;align-items:center;gap:8px}
.logo span{background:linear-gradient(135deg,var(--gold),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
nav ul{display:flex;gap:8px}
nav ul li a{padding:10px 18px;border-radius:8px;font-weight:500;font-size:0.95rem;transition:var(--transition);color:var(--gray-300)}
nav ul li a:hover,nav ul li a.active{background:rgba(240,165,0,0.1);color:var(--gold)}
.nav-cta{background:linear-gradient(135deg,var(--orange),var(--gold))!important;color:var(--white)!important;font-weight:600!important}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:var(--transition)}
@media(max-width:768px){
  .menu-toggle{display:flex}
  nav ul{display:none;position:absolute;top:100%;left:0;width:100%;flex-direction:column;background:rgba(17,24,39,0.98);backdrop-filter:blur(12px);padding:16px 24px;gap:4px;border-bottom:1px solid var(--border)}
  nav ul.active{display:flex}
  nav ul li a{display:block;padding:14px 18px}
}

/* === Hero区 === */
#hero{padding:140px 0 100px;position:relative;overflow:hidden}
#hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(240,165,0,0.08) 0%,transparent 70%);border-radius:50%}
#hero::after{content:'';position:absolute;bottom:-100px;left:-150px;width:500px;height:500px;background:radial-gradient(circle,rgba(249,115,22,0.06) 0%,transparent 70%);border-radius:50%}
#hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
#hero h1{font-size:3rem;font-weight:800;line-height:1.25;background:linear-gradient(135deg,var(--white),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
#hero h1 .highlight{background:linear-gradient(135deg,var(--gold),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
#hero p{font-size:1.15rem;color:var(--gray-400);margin:24px 0 36px;line-height:1.8}
#hero .hero-image img{border-radius:var(--radius);box-shadow:var(--shadow-gold);border:1px solid rgba(240,165,0,0.15)}
.btn-group{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;transition:all 0.35s ease;display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--orange),var(--gold));color:var(--white);box-shadow:0 4px 20px rgba(249,115,22,0.35);animation:pulse 2.5s infinite}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(249,115,22,0.5)}
.btn-outline{border:2px solid var(--gold);color:var(--gold);background:transparent}
.btn-outline:hover{background:rgba(240,165,0,0.1);transform:translateY(-2px)}
@keyframes pulse{0%,100%{box-shadow:0 4px 20px rgba(249,115,22,0.35)}50%{box-shadow:0 4px 40px rgba(249,115,22,0.6)}}
@media(max-width:768px){
  #hero{padding:120px 0 60px}
  #hero .container{grid-template-columns:1fr;gap:40px}
  #hero h1{font-size:2rem}
}

/* === 特性区 === */
#features{padding:80px 0;background:var(--bg-card)}
#features .section-header{text-align:center;margin-bottom:60px}
#features .section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:12px;color:var(--white)}
#features .section-header p{color:var(--gray-400);font-size:1.05rem}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.features-grid article{background:var(--bg-deep);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;transition:all 0.4s ease;position:relative;overflow:hidden}
.features-grid article::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold),var(--orange));transform:scaleX(0);transition:transform 0.4s ease}
.features-grid article:hover{transform:translateY(-6px);border-color:rgba(240,165,0,0.3);box-shadow:var(--shadow-gold)}
.features-grid article:hover::before{transform:scaleX(1)}
.feature-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:20px;background:rgba(240,165,0,0.08)}
.features-grid h3{font-size:1.2rem;font-weight:600;margin-bottom:10px;color:var(--white)}
.features-grid p{color:var(--gray-400);font-size:0.95rem}
@media(max-width:992px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.features-grid{grid-template-columns:1fr}}

/* === 统计区 === */
#stats{padding:80px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{padding:32px 20px;background:rgba(240,165,0,0.03);border:1px solid var(--border);border-radius:var(--radius)}
.stat-number{font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,var(--gold),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{color:var(--gray-400);margin-top:8px;font-size:0.95rem}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}

/* === CTA区 === */
#cta{padding:80px 0;background:linear-gradient(135deg,rgba(240,165,0,0.05),rgba(249,115,22,0.05))}
#cta .container{text-align:center}
#cta h2{font-size:2.2rem;font-weight:700;margin-bottom:16px}
#cta p{color:var(--gray-400);font-size:1.1rem;margin-bottom:36px;max-width:700px;margin-left:auto;margin-right:auto}
.cta-features{display:flex;justify-content:center;gap:40px;margin-bottom:40px;flex-wrap:wrap}
.cta-features span{color:var(--gold);font-weight:500;display:flex;align-items:center;gap:8px}
.cta-features span::before{content:'✓';display:inline-flex;width:20px;height:20px;border-radius:50%;background:rgba(16,185,129,0.2);color:#10b981;align-items:center;justify-content:center;font-size:0.75rem;font-weight:700}

/* === 页面内容通用 === */
.page-content{padding:120px 0 80px}
.page-content h1{font-size:2.4rem;font-weight:700;margin-bottom:24px;background:linear-gradient(135deg,var(--white),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-content .intro{font-size:1.1rem;color:var(--gray-400);margin-bottom:48px;max-width:800px;line-height:1.9}

/* === 关于页面 === */
.timeline{position:relative;padding-left:40px;margin:48px 0}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--gold),var(--orange),transparent)}
.timeline-item{position:relative;margin-bottom:36px}
.timeline-item::before{content:'';position:absolute;left:-32px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--gold);border:3px solid var(--bg-deep);box-shadow:0 0 0 2px var(--gold)}
.timeline-item h3{font-size:1.1rem;font-weight:600;margin-bottom:6px;color:var(--gold)}
.timeline-item p{color:var(--gray-400);font-size:0.95rem}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.team-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;transition:var(--transition)}
.team-card:hover{transform:translateY(-4px);border-color:rgba(240,165,0,0.2)}
.team-card img{width:80px;height:80px;border-radius:50%;margin:0 auto 16px;border:3px solid rgba(240,165,0,0.2)}
.team-card h3{font-weight:600;margin-bottom:4px}
.team-card .role{color:var(--gold);font-size:0.9rem;margin-bottom:8px}
.team-card p{color:var(--gray-500);font-size:0.85rem}
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.safety-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.safety-item h3{color:var(--gold);font-size:1.05rem;margin-bottom:8px}
.safety-item p{color:var(--gray-400);font-size:0.9rem}
@media(max-width:992px){.team-grid{grid-template-columns:repeat(2,1fr)}.safety-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.team-grid,.safety-grid{grid-template-columns:1fr}}

/* === 服务页面 === */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.service-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;transition:all 0.4s ease}
.service-card:hover{transform:translateY(-6px);border-color:rgba(240,165,0,0.3);box-shadow:var(--shadow-gold)}
.service-card .service-icon{font-size:2rem;margin-bottom:16px;color:var(--gold)}
.service-card h3{font-size:1.2rem;margin-bottom:10px}
.service-card p{color:var(--gray-400);font-size:0.95rem;margin-bottom:16px}
.service-card ul li{color:var(--gray-400);font-size:0.9rem;padding:4px 0;padding-left:16px;position:relative}
.service-card ul li::before{content:'•';position:absolute;left:0;color:var(--gold)}
@media(max-width:992px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.services-grid{grid-template-columns:1fr}}

/* === FAQ === */
.faq-section{margin-top:32px}
.faq-category{margin-bottom:40px}
.faq-category h2{font-size:1.5rem;font-weight:600;margin-bottom:20px;color:var(--gold);padding-bottom:8px;border-bottom:1px solid var(--border)}
details{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;background:var(--bg-card);overflow:hidden;transition:var(--transition)}
details:hover{border-color:rgba(240,165,0,0.2)}
details summary{padding:16px 24px;cursor:pointer;font-weight:600;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';font-size:1.4rem;color:var(--gold);font-weight:300;transition:transform 0.3s ease}
details[open] summary::after{content:'−';transform:rotate(180deg)}
details[open] summary{color:var(--gold)}
details .faq-answer{padding:0 24px 20px;color:var(--gray-300);font-size:0.95rem;line-height:1.8}
.faq-search{margin-bottom:32px}
.faq-search input{width:100%;max-width:500px;padding:14px 20px;border-radius:50px;border:1px solid var(--border);background:var(--bg-card);color:var(--white);font-size:1rem;outline:none;transition:var(--transition)}
.faq-search input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(240,165,0,0.1)}

/* === 联系页面 === */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:32px}
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:36px}
.contact-form .form-group{margin-bottom:20px}
.contact-form label{display:block;margin-bottom:6px;font-weight:500;color:var(--gray-300);font-size:0.95rem}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 16px;border-radius:8px;border:1px solid var(--border);background:var(--bg-deep);color:var(--white);font-size:0.95rem;transition:var(--transition);outline:none}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(240,165,0,0.1)}
.contact-form textarea{resize:vertical;min-height:140px}
.contact-form button{width:100%}
.contact-info h3{font-size:1.3rem;margin-bottom:16px;color:var(--gold)}
.contact-methods{margin-bottom:32px}
.contact-methods .method{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}
.contact-methods .method .method-icon{font-size:1.2rem;color:var(--gold);margin-top:2px}
.contact-methods .method h4{font-weight:600;margin-bottom:4px}
.contact-methods .method p{color:var(--gray-400);font-size:0.9rem}
.social-links{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.social-link{padding:10px 20px;border-radius:50px;border:1px solid var(--border);color:var(--gray-300);font-size:0.9rem;transition:var(--transition)}
.social-link:hover{border-color:var(--gold);color:var(--gold);background:rgba(240,165,0,0.05)}
.business-coop{margin-top:32px}
.business-coop h3{font-size:1.3rem;margin-bottom:16px;color:var(--gold)}
.coop-grid{display:grid;grid-template-columns:1fr;gap:12px}
.coop-item{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px 20px}
.coop-item h4{font-weight:600;margin-bottom:4px}
.coop-item p{color:var(--gray-400);font-size:0.9rem}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}}

/* === 页脚 === */
footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:40px;margin-bottom:36px}
.footer-col h3{font-size:1.1rem;font-weight:600;margin-bottom:16px}
.footer-col p{color:var(--gray-400);font-size:0.9rem;margin-bottom:8px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--gray-400);font-size:0.9rem;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--gold)}
.copyright{text-align:center;padding-top:24px;border-top:1px solid var(--border);color:var(--gray-500);font-size:0.85rem}
@media(max-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* === 动画 === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(30px);transition:all 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.fade-in{animation:fadeInUp 0.6s ease forwards}.delay-1{animation-delay:0.1s}.delay-2{animation-delay:0.2s}.delay-3{animation-delay:0.3s}.delay-4{animation-delay:0.4s}

/* === 表格 === */
.info-table{width:100%;border-collapse:collapse;margin:24px 0;background:var(--bg-card);border-radius:var(--radius);overflow:hidden}
.info-table th{background:rgba(240,165,0,0.08);color:var(--gold);padding:14px 18px;text-align:left;font-weight:600}
.info-table td{padding:14px 18px;border-bottom:1px solid var(--border);color:var(--gray-300)}
.info-table tr:last-child td{border-bottom:none}
.info-table tr:hover td{background:rgba(240,165,0,0.03)}

/* === 全球版图 === */
.globe-map{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;text-align:center;margin:32px 0}
.globe-map img{max-height:320px;margin:0 auto}
.globe-stats{display:flex;justify-content:center;gap:60px;margin-top:24px;flex-wrap:wrap}
.globe-stats div{text-align:center}
.globe-stats strong{display:block;font-size:1.8rem;color:var(--gold)}
.globe-stats span{color:var(--gray-400);font-size:0.9rem}