/* 聚合支付平台（JuHePay）- 技术演示站 · 免责声明：本站仅为技术样品演示，不提供任何实际支付服务。 */
:root{--primary:#1878e8;--primary-dark:#0b5cc4;--primary-light:#e3f0ff;--accent:#ffb400;
--hero-a:#1265dd;--hero-b:#3fa9f8;--text-main:#1f2d3d;--text-muted:#697b8c;--bg:#f6faff;
--radius:14px;--max-width:1180px;}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text-main);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;}
a{color:var(--primary);text-decoration:none;}a:hover{color:var(--primary-dark);}
img{max-width:100%;}
ul{list-style:none;}

/* ===== 顶部导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;height:64px;background:rgba(255,255,255,.98);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(15,23,42,.06);z-index:1500;}
.header-inner{max-width:var(--max-width);margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-size:1.18rem;font-weight:800;color:var(--primary);white-space:nowrap;}
.brand .logo{width:34px;height:34px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-weight:800;font-size:1rem;}
.desktop-nav{display:flex;gap:20px;flex-wrap:wrap;}
.nav-link{color:var(--text-main);font-size:.94rem;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;}
.nav-link:hover,.nav-link.active{color:var(--primary);border-bottom-color:var(--primary);}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:999px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:.2s;}
.btn-primary{background:var(--primary);color:#fff!important;box-shadow:0 6px 16px rgba(24,120,232,.3);}
.btn-primary:hover{background:var(--primary-dark);}
.btn-login{background:#fff;color:var(--primary)!important;border:1.5px solid var(--primary);padding:8px 26px;border-radius:999px;}
.btn-login:hover{background:var(--primary-light);}
.btn-white{background:#fff;color:var(--primary)!important;}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.6rem;color:var(--primary);cursor:pointer;}
.mobile-nav{display:none;background:#fff;border-top:1px solid #e2e8f0;padding:12px 16px;flex-direction:column;gap:4px;}
.mobile-nav a{padding:10px 12px;border-radius:8px;color:var(--text-main);font-weight:500;background:var(--bg);}
.mobile-nav.open{display:flex;}
main{padding-top:64px;min-height:60vh;}

/* ===== Hero（截图同款蓝色渐变） ===== */
.hero{position:relative;background:linear-gradient(120deg,var(--hero-a) 0%,#2a8bf0 55%,var(--hero-b) 100%);color:#fff;padding:96px 24px 150px;overflow:hidden;}
.hero-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-title-block{border-left:4px solid #fff;padding-left:22px;}
.hero-title-block h1{font-size:2.4rem;font-weight:800;line-height:1.3;margin-bottom:12px;}
.hero-title-block .en{font-weight:800;}
.hero-sub{font-size:1.25rem;font-weight:600;margin-bottom:18px;}
.hero p.desc{font-size:.98rem;opacity:.94;max-width:520px;margin-bottom:8px;}
.hero p.rate{font-size:.98rem;opacity:.94;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero .btn-outline{background:rgba(255,255,255,.12);color:#fff!important;border:1.5px solid rgba(255,255,255,.65);}
.hero-visual{position:relative;display:flex;justify-content:center;}
.hero-visual svg{max-width:440px;width:100%;height:auto;}
.float-dot{position:absolute;border-radius:50%;background:rgba(255,255,255,.35);animation:float 5s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.wave-divider{position:absolute;left:0;right:0;bottom:-1px;line-height:0;}
.wave-divider svg{width:100%;height:80px;display:block;}

/* ===== 悬浮三列特性卡（截图同款） ===== */
.overlap-wrap{max-width:1000px;margin:-86px auto 0;padding:0 24px;position:relative;z-index:5;}
.overlap-card{background:#fff;border-radius:16px;box-shadow:0 18px 50px rgba(15,45,90,.14);display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:30px 20px;}
.feat-col{display:flex;gap:14px;align-items:flex-start;padding:6px 14px;}
.feat-col + .feat-col{border-left:1px solid #edf2f9;}
.feat-icon{width:56px;height:56px;flex:none;border-radius:50%;border:2px solid var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--primary);background:#fff;box-shadow:0 4px 12px rgba(24,120,232,.12);}
.feat-col h3{font-size:1.02rem;margin-bottom:4px;}
.feat-col p{color:var(--text-muted);font-size:.85rem;line-height:1.55;}

/* ===== 通用版块 ===== */
.page-section{max-width:var(--max-width);margin:0 auto;padding:60px 24px;}
.page-title{font-size:1.75rem;font-weight:800;text-align:center;margin-bottom:8px;}
.page-subtitle{color:var(--text-muted);text-align:center;max-width:720px;margin:0 auto 40px;font-size:.95rem;}
.section-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:0 4px 20px rgba(15,23,42,.06);transition:transform .2s,box-shadow .2s;}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(15,23,42,.12);}
.card h3{margin-bottom:10px;font-size:1.08rem;}
.card p{color:var(--text-muted);font-size:.94rem;}
.card ul{margin-top:12px;padding-left:18px;color:var(--text-muted);font-size:.9rem;list-style:disc;}
.card ul li{margin:4px 0;}
.icon-chip{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;background:var(--primary-light);margin-bottom:16px;}
.more{display:inline-block;margin-top:14px;font-weight:600;}

/* ===== 最专业的支付助手（截图同款圆图标） ===== */
.assistant-band{background:#fff;padding:64px 24px 70px;}
.assistant-grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:28px;}
.pay-item{text-align:center;}
.pay-circle{width:110px;height:110px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(160deg,#f2f8ff,#e3f0ff);display:flex;align-items:center;justify-content:center;font-size:2.6rem;box-shadow:inset 0 0 0 1px #dceaf8,0 8px 20px rgba(24,120,232,.08);transition:.25s;}
.pay-item:hover .pay-circle{transform:translateY(-6px);box-shadow:0 14px 28px rgba(24,120,232,.18);}
.pay-item h3{font-size:.98rem;margin-bottom:4px;}
.pay-item p{color:var(--text-muted);font-size:.8rem;}
.en-dash{text-align:center;color:#b8c8dc;letter-spacing:4px;font-size:.85rem;margin:-28px 0 40px;}

/* ===== Banner / 表格 / 标签 ===== */
.page-banner{padding:64px 24px 52px;text-align:center;background:linear-gradient(135deg,var(--primary-light),#fff 70%);}
.page-banner h1{font-size:1.9rem;font-weight:800;color:var(--primary-dark);margin-bottom:10px;}
.page-banner p{max-width:720px;margin:0 auto;color:var(--text-muted);}
.table-wrap{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:0 4px 20px rgba(15,23,42,.06);overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:.92rem;}
th{background:var(--primary-light);color:var(--primary-dark);text-align:left;}
th,td{border:1px solid #e5eaf2;padding:11px 14px;white-space:nowrap;}
.tag{display:inline-block;padding:2px 12px;border-radius:999px;font-size:.8rem;font-weight:600;}
.tag-success{background:#dcfce7;color:#166534;}
.tag-warning{background:#fef9c3;color:#854d0e;}
.tag-danger{background:#fee2e2;color:#991b1b;}
.tag-info{background:#e2e8f0;color:#334155;}

/* ===== 步骤 / 数据带 / API / FAQ ===== */
.workflow-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;}
.step{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:0 4px 16px rgba(15,23,42,.05);}
.step-num{width:36px;height:36px;line-height:36px;border-radius:50%;background:var(--primary);color:#fff;margin:0 auto 12px;font-weight:700;}
.step h3{font-size:1rem;margin-bottom:6px;}
.step p{color:var(--text-muted);font-size:.88rem;}
.stats-band{background:linear-gradient(120deg,var(--primary-dark),var(--primary));color:#fff;padding:46px 24px;}
.stats-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:24px;text-align:center;}
.stats-inner .num{font-size:2rem;font-weight:800;}
.stats-inner .lbl{opacity:.85;font-size:.9rem;}
pre{background:#0f172a;color:#e2e8f0;padding:18px;border-radius:12px;overflow-x:auto;font-size:.86rem;line-height:1.6;}
code.inline{background:var(--primary-light);padding:2px 8px;border-radius:5px;color:var(--primary-dark);font-size:.9em;}
.api-block h3{margin:26px 0 10px;font-size:1.15rem;}
.api-block h4{margin:18px 0 8px;}
.api-block p{color:var(--text-muted);margin-bottom:10px;}
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:860px;margin:0 auto;}
.faq-card{background:#fff;border-radius:var(--radius);padding:24px 28px;box-shadow:0 4px 20px rgba(15,23,42,.06);}
.faq-card h3{font-size:1.02rem;margin-bottom:8px;color:var(--primary-dark);}
.faq-card p{color:var(--text-muted);}

/* ===== 商户演示后台 ===== */
.tabs{background:#fff;border-radius:var(--radius);box-shadow:0 4px 20px rgba(15,23,42,.06);overflow:hidden;}
.tabs-nav{display:flex;gap:6px;flex-wrap:wrap;padding:14px 16px 0;border-bottom:1px solid #e5eaf0;}
.tabs-nav button{padding:10px 20px;border:none;background:none;font-size:.95rem;font-weight:600;color:var(--text-muted);cursor:pointer;border-radius:10px 10px 0 0;border-bottom:2px solid transparent;}
.tabs-nav button.active{color:var(--primary);border-bottom-color:var(--primary);background:var(--primary-light);}
.tab-pane{display:none;padding:26px;}
.tab-pane.active{display:block;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{background:var(--bg);border-radius:12px;padding:20px;text-align:center;}
.stat-value{font-size:1.6rem;font-weight:800;color:var(--primary);}
.stat-label{color:var(--text-muted);font-size:.88rem;}
.config-row{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;border-bottom:1px dashed #e2e8f0;}
.switch-on{color:#166534;font-weight:700;}.switch-off{color:#991b1b;font-weight:700;}

/* ===== 表单 / CTA ===== */
.form-card{max-width:680px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:32px;box-shadow:0 4px 20px rgba(15,23,42,.06);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px;}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:11px 14px;border:1px solid #cbd5e1;border-radius:10px;font-size:.94rem;font-family:inherit;background:#fff;color:var(--text-main);}
.form-row textarea{resize:vertical;min-height:110px;}
.form-note{color:var(--text-muted);font-size:.85rem;margin-top:10px;}
.cta-grad{background:linear-gradient(120deg,var(--hero-a),var(--hero-b));border-radius:18px;color:#fff;text-align:center;padding:52px 30px;box-shadow:0 16px 40px rgba(18,101,221,.35);}
.cta-grad h2{font-size:1.6rem;font-weight:800;margin-bottom:10px;}
.cta-grad p{opacity:.92;max-width:620px;margin:0 auto 24px;}
.cta-grad .btn-white{font-weight:700;}

/* ===== 页脚 ===== */
.site-footer{background:#0d1b2e;color:#c3cede;padding:52px 24px 24px;margin-top:56px;}
.footer-inner{max-width:var(--max-width);margin:0 auto;}
.footer-top{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;margin-bottom:30px;}
.footer-col h3{color:#fff;font-size:1rem;margin-bottom:14px;}
.footer-col p{font-size:.88rem;line-height:1.75;}
.footer-nav{display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-nav a{color:#c3cede;font-size:.88rem;}
.footer-nav a:hover{color:var(--accent);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag-dark{background:rgba(255,255,255,.08);padding:4px 12px;border-radius:999px;font-size:.8rem;color:#dbe4f0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;text-align:center;font-size:.8rem;color:#8ea0b8;}
.footer-bottom p{margin:4px 0;}

/* ===== 响应式 ===== */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-title-block{border-left:none;padding-left:0;border-top:3px solid #fff;padding-top:14px;}
  .hero p.desc,.hero p.rate{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero{padding:64px 20px 140px;}
  .overlap-card{grid-template-columns:1fr;gap:18px;}
  .feat-col + .feat-col{border-left:none;border-top:1px solid #edf2f9;padding-top:18px;}
  .assistant-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .site-header{height:56px;}main{padding-top:56px;}
  .desktop-nav,.header-actions{display:none;}
  .mobile-menu-btn{display:block;}
  .page-section{padding:40px 16px;}
  .page-title{font-size:1.4rem;}
  .page-banner h1{font-size:1.45rem;}
  th,td{padding:8px;font-size:.84rem;}
  .assistant-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
}