:root{
  --primary:#1E88F5;
  --primary-dark:#1565C0;
  --deep:#1B3B6F;
  --deep2:#0F2A52;
  --bg:#F5F8FC;
  --bg2:#EEF3FA;
  --text:#1F2937;
  --text2:#4B5563;
  --muted:#6B7280;
  --line:#E5EAF2;
  --white:#fff;
  --shadow:0 6px 24px rgba(30,136,245,.08);
  --shadow-lg:0 12px 40px rgba(27,59,111,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 顶部导航（全站统一） ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--deep)}
.logo-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center}
.nav-menu{display:flex;gap:34px;list-style:none;align-items:center}
.nav-menu > li{position:relative;padding:24px 0}
.nav-menu a{font-size:15px;color:var(--text2);position:relative;transition:.2s;display:inline-flex;align-items:center;gap:4px}
.nav-menu a:hover,.nav-menu a.active{color:var(--primary)}
.nav-menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-24px;height:3px;background:var(--primary);border-radius:2px}
.nav-menu .caret{width:10px;height:10px;transition:.25s;stroke:currentColor;fill:none;stroke-width:2}
.nav-menu > li:hover .caret{transform:rotate(180deg);stroke:var(--primary)}
.has-dropdown{cursor:pointer}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:320px;background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(27,59,111,.18);border:1px solid var(--line);padding:12px;opacity:0;visibility:hidden;transition:.25s;z-index:200}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown::before{content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(45deg);width:12px;height:12px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.dropdown-item{display:flex;align-items:flex-start;gap:12px;padding:14px 14px;border-radius:10px;transition:.2s;text-decoration:none}
.dropdown-item:hover{background:var(--bg)}
.dropdown-item:hover .di-title{color:var(--primary)}
.di-icon{width:40px;height:40px;flex-shrink:0;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.di-icon svg{width:22px;height:22px}
.di-text{flex:1}
.di-title{font-size:14px;color:var(--deep);font-weight:600;margin-bottom:2px;transition:.2s}
.di-desc{font-size:12px;color:var(--muted);line-height:1.5}
.nav-right{display:flex;align-items:center;gap:20px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:24px;font-size:14px;font-weight:500;transition:.25s;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(30,136,245,.35)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.nav-tel{display:flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}

/* ===== 面包屑 ===== */
.crumb{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;font-size:13px;color:var(--muted)}
.crumb .container{display:flex;align-items:center;gap:8px}
.crumb svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}
.crumb a{color:var(--muted);transition:.2s}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--primary);font-weight:500}

/* ===== 主视觉：深色沉浸区 ===== */
.download-hero{background:#0A1930 url("../assets/img_096_10e6394ab509.jpg") center/cover no-repeat;position:relative;overflow:hidden;padding:80px 0 90px;color:#fff}
.download-hero::before{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(10,25,48,.85) 0%,rgba(10,25,48,.75) 50%,rgba(10,25,48,.65) 100%);z-index:0}
.download-hero::after{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;z-index:0}
.dh-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.dh-title{margin-bottom:16px;font-size:56px;font-weight:800;line-height:1.15;letter-spacing:-1px}
.dh-title .hl{background:linear-gradient(90deg,#4FB1FF,#7ED0FF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dh-subtitle{font-size:22px;color:rgba(255,255,255,.85);margin-bottom:36px;font-weight:400;letter-spacing:1px}
.dh-desc{font-size:15px;color:rgba(255,255,255,.65);line-height:1.8;max-width:520px;margin-bottom:32px}
.dh-features{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:20px}
.dh-features span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.85)}
.dh-features svg{width:16px;height:16px;stroke:#7ED0FF;fill:none;stroke-width:2}
.dh-visual{position:relative;display:flex;align-items:center;justify-content:center}
.dh-visual svg{width:100%;max-width:420px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.4))}

/* ===== 三平台二维码卡片 ===== */
.qr-sec{background:linear-gradient(180deg,#F5F8FC,#EEF3FA);padding:80px 0}
.qr-head{text-align:center;margin-bottom:48px}
.qr-head .badge{display:inline-block;padding:4px 14px;background:rgba(30,136,245,.1);color:var(--primary);border-radius:20px;font-size:13px;font-weight:500;margin-bottom:14px}
.qr-head h2{font-size:34px;color:var(--deep);font-weight:700;margin-bottom:10px}
.qr-head p{color:var(--muted);font-size:15px}

.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1000px;margin:0 auto}
.qr-card{background:#fff;border-radius:20px;padding:36px 32px;text-align:center;transition:.35s;border:1px solid transparent;position:relative;overflow:hidden;box-shadow:0 6px 20px rgba(27,59,111,.06)}
.qr-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#1E88F5,#7ED0FF);transform:scaleX(0);transform-origin:left;transition:.35s}
.qr-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(30,136,245,.2)}
.qr-card:hover::before{transform:scaleX(1)}
.qr-plat{width:72px;height:72px;border-radius:18px;background:#fff;box-shadow:0 4px 14px rgba(27,59,111,.10);margin:0 auto 20px;padding:0;line-height:0;display:flex;align-items:center;justify-content:center;border:1px solid rgba(30,136,245,.08)}



.qr-plat svg{width:36px;height:36px;fill:#fff}
.qr-image{width:180px;height:180px;margin:0 auto 20px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:12px;position:relative}
.qr-image svg{width:100%;height:100%}
.qr-image::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:36px;height:36px;background:#fff;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'><path d='M30 26H12a7 7 0 010-14 8 8 0 0115.3-2A6 6 0 0130 26z' fill='%231E88F5'/></svg>");background-size:24px;background-repeat:no-repeat;background-position:center}
.qr-label{font-size:17px;color:var(--deep);font-weight:600;margin-bottom:6px}
.qr-sub{font-size:12px;color:var(--muted)}

/* ===== 渠道招募区 ===== */
.channel-sec{background:#fff;padding:70px 0}
.channel-card{background:linear-gradient(135deg,#1B3B6F,#1E88F5);border-radius:24px;padding:48px 56px;color:#fff;position:relative;overflow:hidden;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.channel-card::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 65%);border-radius:50%}
.channel-card::after{content:"";position:absolute;left:-40px;bottom:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(126,208,255,.2),transparent 65%);border-radius:50%}
.ch-left{position:relative;z-index:1}
.ch-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:20px;font-size:13px;margin-bottom:16px;backdrop-filter:blur(6px)}
.ch-badge .dot{width:6px;height:6px;background:#7ED0FF;border-radius:50%;box-shadow:0 0 8px #7ED0FF}
.ch-title{font-size:32px;font-weight:700;margin-bottom:12px;line-height:1.3}
.ch-title .hl{background:linear-gradient(90deg,#7ED0FF,#fff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ch-subtitle{font-size:15px;color:rgba(255,255,255,.85);margin-bottom:24px}
.ch-contact{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:18px 24px;backdrop-filter:blur(6px);display:inline-flex;align-items:center;gap:18px}
.ch-contact-icon{width:48px;height:48px;background:rgba(255,255,255,.2);border-radius:12px;display:flex;align-items:center;justify-content:center}
.ch-contact-icon svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2}
.ch-contact-info .lbl{font-size:12px;color:rgba(255,255,255,.75);margin-bottom:3px}
.ch-contact-info .val{font-size:20px;font-weight:700;letter-spacing:.5px}
.ch-contact-info .val small{font-size:14px;font-weight:400;color:rgba(255,255,255,.85);margin-left:8px}
.ch-right{position:relative;z-index:1}
.ch-right svg{width:200px;height:auto;opacity:.9}

/* ===== 政策/优势 ===== */
.policy-sec{background:linear-gradient(180deg,#EEF3FA,#F5F8FC);padding:70px 0 90px}
.policy-head{text-align:center;margin-bottom:48px}
.policy-head .badge{display:inline-block;padding:4px 14px;background:rgba(30,136,245,.1);color:var(--primary);border-radius:20px;font-size:13px;font-weight:500;margin-bottom:14px}
.policy-head h2{font-size:30px;color:var(--deep);font-weight:700;margin-bottom:10px}
.policy-head p{color:var(--muted);font-size:14px}
.policy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.policy-item{background:#fff;border-radius:16px;padding:28px 24px;text-align:center;transition:.3s;border:1px solid transparent}
.policy-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(30,136,245,.2)}
.policy-icon{width:56px;height:56px;margin:0 auto 16px;background:linear-gradient(135deg,#1E88F5,#1565C0);border-radius:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(30,136,245,.3)}
.policy-icon svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.8}
.policy-item h4{font-size:16px;color:var(--deep);font-weight:600;margin-bottom:8px}
.policy-item p{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== Footer（全站统一） ===== */
footer{background:#262834;color:rgba(255,255,255,.75);padding:60px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:40px}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;margin-bottom:14px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:10px;font-size:13px}
.foot-col a{color:rgba(255,255,255,.6);transition:.2s}
.foot-col a:hover{color:#fff}
.foot-contact .tel{font-size:22px;color:#fff;font-weight:700;margin-bottom:6px}
.foot-contact .tel-label{font-size:12px;color:rgba(255,255,255,.5);margin-bottom:14px}
.foot-contact p{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:6px}.foot-contact .contact-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.7);line-height:1.5}.foot-contact .contact-row img{width:16px;height:16px;flex-shrink:0;object-fit:contain;opacity:.85;display:block}.foot-contact .contact-row span{flex:1;min-width:0;word-break:break-all}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.4)}
.foot-bottom a{color:rgba(255,255,255,.5)}

/* 侧边悬浮 */
.floating{position:fixed;right:20px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:10px;z-index:50}
.float-btn{width:56px;height:64px;background:#fff;border-radius:10px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:11px;color:var(--text2);cursor:pointer;transition:.2s}
.float-btn:hover{background:var(--primary);color:#fff}
.float-btn svg{width:22px;height:22px}

@media (max-width:960px){
  .nav-menu{display:none}
  .dh-inner,.channel-card{grid-template-columns:1fr;gap:32px}
  .qr-grid,.policy-grid,.foot-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .dh-title{font-size:36px}
  .dh-subtitle{font-size:18px}
  .floating{display:none}
}

/* 三平台真实二维码 */
.qr-image .qr-real-img{width:100%;height:100%;object-fit:contain;display:block;border-radius:6px}
.qr-image::after{display:none !important}