/* ===== 云银充 - 公共样式 ===== */
:root{--primary:#FCC52A;--primary-dark:#E5B010;--primary-light:#FFF3CC;--text:#333;--text-secondary:#666;--text-light:#999;--bg:#fff;--bg-gray:#F5F5F5;--bg-dark:#1A1A1A;--border:#E8E8E8;--shadow:0 2px 12px rgba(0,0,0,.08);--shadow-hover:0 8px 30px rgba(0,0,0,.12);--radius:12px;--radius-sm:8px;--transition:all .3s cubic-bezier(.4,0,.2,1);--max-width:1200px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,li{list-style:none}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 32px;border-radius:25px;font-size:15px;font-weight:500;cursor:pointer;border:none;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:#333}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(252,197,42,.4)}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}.btn-outline:hover{background:#fff;color:#333}

/* ===== 导航 ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:var(--transition)}
.header.scrolled{border-bottom-color:var(--border);box-shadow:0 2px 20px rgba(0,0,0,.06)}
.header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text)}
.logo-icon{width:40px;height:40px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;color:#333;flex-shrink:0}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-list a{font-size:14px;color:var(--text-secondary);position:relative;padding:8px 0;font-weight:500}
.nav-list a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%) scaleX(0);width:100%;height:2px;background:var(--primary);transition:var(--transition)}
.nav-list a:hover,.nav-list a.active{color:var(--text)}
.nav-list a:hover::after,.nav-list a.active::after{transform:translateX(-50%) scaleX(1)}
.header-phone{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;color:var(--primary-dark);white-space:nowrap}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;z-index:1001}
.menu-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== 页面Banner ===== */
.page-banner{height:250px;margin-top:70px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.page-banner .banner-bg{position:absolute;inset:0;background:url('/images/top.jpg') center/cover no-repeat}
.page-banner .banner-text{text-align:center;color:#fff;z-index:2}
.page-banner .banner-text h1{font-size:34px;font-weight:700;margin-bottom:8px}
.page-banner .banner-text p{font-size:16px;opacity:.8}

/* ===== 区块标题 ===== */
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:32px;font-weight:700;color:var(--text);margin-bottom:12px}
.section-title .subtitle{font-size:16px;color:var(--text-light)}
.section-title .divider{width:40px;height:4px;background:var(--primary);border-radius:2px;margin:16px auto}

/* ===== 底部 ===== */
.footer{background:#1A1A1A;color:#B0B0B0;padding:50px 0 0;border-top:3px solid var(--primary)}
.footer-grid{display:grid;grid-template-columns:2fr 1.2fr 2.2fr 1.5fr;gap:40px;padding-bottom:40px;border-bottom:1px solid #333}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--primary)}
.footer-col p,.footer-col li{font-size:14px;line-height:2;color:#888}
.footer-col li a:hover{color:var(--primary)}
.footer-col li{list-style:none}
.footer-qr-row{display:flex;gap:16px;flex-wrap:wrap}
.qr-item{text-align:center;width:90px}
.qr-img{width:90px;height:90px;border-radius:6px;object-fit:cover;display:block;margin-bottom:6px;border:2px solid #333;transition:var(--transition)}
.qr-item:hover .qr-img{border-color:var(--primary);transform:scale(1.05)}
.qr-item span{font-size:12px;color:#999;display:block}
.footer-bottom{padding:20px 0;text-align:center;font-size:13px;color:#666}

/* ===== 回到顶部 ===== */
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(252,197,42,.35);z-index:999;opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--transition);color:#333;font-size:18px;border:none}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-4px);box-shadow:0 6px 24px rgba(252,197,42,.5)}

/* ===== Toast ===== */
.toast{position:fixed;top:100px;left:50%;transform:translateX(-50%) translateY(-20px);background:#333;color:#fff;padding:14px 30px;border-radius:25px;font-size:15px;z-index:9999;opacity:0;transition:all .4s ease;pointer-events:none;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.success{background:#4CAF50}

/* ===== 动画 ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
.animate-on-scroll{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}

/* ===== 响应式 - 公共 ===== */
@media(max-width:1024px){.nav-list{gap:16px}.nav-list a{font-size:13px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .header-inner{height:60px}.header-phone{display:none}.menu-toggle{display:flex}
  .nav-list{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:#fff;flex-direction:column;padding:100px 30px 40px;gap:20px;box-shadow:-4px 0 30px rgba(0,0,0,.1);transition:right .4s cubic-bezier(.4,0,.2,1);z-index:1000}
  .nav-list.active{right:0}.nav-list a{font-size:16px;color:var(--text)}
  .page-banner{height:200px;margin-top:60px}.page-banner .banner-text h1{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:480px){
  .page-banner{height:160px}.page-banner .banner-text h1{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:24px}.footer-qr-row{justify-content:center}
  .back-to-top{bottom:20px;right:16px;width:40px;height:40px}}