/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:#fef9f4;color:#3a3a3a;line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}

/* === 顶栏 === */
.topnav{background:#fff;border-bottom:1px solid #fbe9e7;font-size:13px;color:#9e9e9e}
.tn-in{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:36px}
.tn-l{display:flex;gap:20px}
.tn-l a{color:#8d8d8d}
.tn-l a:hover{color:#D84315}
.tn-r{display:flex;gap:12px;align-items:center}
.tn-r a{color:#666}
.tn-r a:first-child{color:#D84315;font-weight:600}

/* === 主导航 === */
.navbar{background:#fff;border-bottom:2px solid #D84315;position:sticky;top:0;z-index:100}
.nb-in{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:60px}
.nb-brand{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:700;color:#2c2c2c;margin-right:40px}
.nb-icon{width:34px;height:34px;background:linear-gradient(135deg,#FF7043,#D84315);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}
.nb-menu{display:flex;flex:1}
.nb-menu a{padding:0 22px;height:60px;line-height:60px;font-size:15px;color:#444;font-weight:500;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s;display:inline-block}
.nb-menu a:hover,.nb-menu a.cur{color:#D84315;border-bottom-color:#D84315}
.nb-btn{padding:8px 24px;background:linear-gradient(135deg,#FF7043,#D84315);color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;display:inline-block}
.nb-btn:hover{opacity:.9}

/* === 面包屑 === */
.bcrumbs{max-width:1200px;margin:0 auto;padding:12px 24px;font-size:13px;color:#9e9e9e}
.bcrumbs a{color:#666}
.bcrumbs a:hover{color:#D84315}

/* === 主布局 === */
.page{max-width:1200px;margin:0 auto 40px;padding:0 24px;display:flex;gap:20px}
.page-main{flex:1;min-width:0}
.page-side{width:300px;flex-shrink:0}

/* === 产品头部 === */
.topbox{background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.06);padding:28px 32px;margin-bottom:20px;display:flex;gap:28px;align-items:center}
.tb-logo{width:100px;height:100px;flex-shrink:0;background:linear-gradient(135deg,#FF7043,#D84315);border-radius:16px;display:flex;align-items:center;justify-content:center}
.tb-logo img{display:block;width:100%;height:100%;object-fit:contain;border-radius:16px}
.tb-info{flex:1;min-width:0}
.tb-info h1{font-size:24px;font-weight:700;color:#2c2c2c;margin-bottom:4px}
.tb-meta{font-size:13px;color:#9e9e9e;margin-bottom:12px}
.tb-meta span{margin-right:16px}

/* 邀请码 */
.inv-wrap{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.inv-lbl{font-size:14px;font-weight:600;color:#444;white-space:nowrap}
.inv-box{display:inline-flex;align-items:center;background:#FBE9E7;border:1px solid #FFAB91;border-radius:4px;padding:6px 16px}
.inv-val{font-size:22px;font-weight:800;letter-spacing:1px;color:#D84315;font-family:"Courier New",monospace}
.inv-btn{margin-left:10px;padding:4px 14px;background:#fff;border:1px solid #FFAB91;border-radius:3px;color:#D84315;font-size:12px;cursor:pointer;transition:all .15s}
.inv-btn:hover{background:#FBE9E7}
.inv-btn.copied{background:#10b981;border-color:#10b981;color:#fff}

.tb-acts{display:flex;gap:10px}
.act-prim{display:inline-flex;align-items:center;gap:6px;padding:9px 24px;background:linear-gradient(135deg,#FF7043,#D84315);color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer}
.act-prim:hover{opacity:.9}
.act-sec{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;background:#fff;color:#D84315;border:1px solid #FFAB91;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer}
.act-sec:hover{background:#FBE9E7}

/* 专区 */
.statcard{background:linear-gradient(135deg,#FBE9E7,#FFCCBC);border:1px solid #FF8A65;border-radius:8px;padding:20px 18px;text-align:center;flex-shrink:0;min-width:140px;display:block;transition:border-color .2s,box-shadow .2s}
a.statcard:hover{border-color:#D84315;box-shadow:0 2px 8px rgba(216,67,21,.15)}
.statcard h4{font-size:14px;color:#D84315;margin-bottom:6px}
.statcard .stats-num{font-size:28px;font-weight:800;color:#D84315}
.statcard .stats-desc{font-size:12px;color:#9e9e9e}

/* === 通用板块 === */
.panel{background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.06);padding:24px;margin-bottom:20px}
.panel-hd{font-size:18px;font-weight:700;color:#2c2c2c;display:flex;align-items:center;gap:8px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #fdf0ea}
.panel-hd::before{content:'';width:3px;height:18px;background:#D84315;border-radius:2px}
.anchor{scroll-margin-top:80px}
.phd-ico{font-size:24px;margin-right:6px;vertical-align:middle}

/* === 三列网格 === */
.triple{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tri-cell{padding:20px 16px;background:#fffcf9;border:1px solid #fdf0ea;border-radius:6px;text-align:center}
.tri-cell .tri-ico{font-size:32px;margin-bottom:8px}
.tri-cell h5{font-size:14px;color:#3a3a3a;margin-bottom:4px}
.tri-cell p{font-size:12px;color:#888}

/* === 注册步骤 === */
.steplist{display:flex;gap:20px}
.step{flex:1;text-align:center;position:relative;padding:20px 12px;background:#fffcf9;border:1px solid #fdf0ea;border-radius:6px}
.step+.step::after{content:'\2192';position:absolute;left:-16px;top:50%;transform:translateY(-50%);font-size:18px;color:#D84315}
.step-num{width:36px;height:36px;margin:0 auto 10px;background:linear-gradient(135deg,#FF7043,#D84315);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700}
.step h5{font-size:14px;color:#3a3a3a;margin-bottom:4px}
.step small{font-size:12px;color:#9e9e9e}

/* === 两列网格 === */
.double{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.dbl-cell{display:flex;gap:12px;padding:16px;background:#fffcf9;border:1px solid #fdf0ea;border-radius:6px;align-items:flex-start}
.dbl-cell .dbl-ico{font-size:24px;flex-shrink:0}
.dbl-cell h5{font-size:14px;color:#3a3a3a;margin-bottom:4px}
.dbl-cell p{font-size:12px;color:#888;line-height:1.6}

/* === 推广任务卡片 === */
.tasklist{display:flex;flex-direction:column;gap:12px}
.task{padding:16px 18px;background:#fffcf9;border:1px solid #fdf0ea;border-radius:6px;display:flex;gap:14px;align-items:flex-start}
.task .task-tag{flex-shrink:0;padding:4px 12px;background:linear-gradient(135deg,#FF7043,#D84315);color:#fff;border-radius:3px;font-size:13px;font-weight:600;white-space:nowrap}
.task .task-bd h5{font-size:15px;color:#3a3a3a;margin-bottom:4px}
.task .task-bd p{font-size:13px;color:#666;line-height:1.7}

/* === FAQ === */
.queries{display:flex;flex-direction:column;gap:12px}
.qry{padding:14px 16px;background:#fffcf9;border:1px solid #fdf0ea;border-radius:6px}
.qry .faq-q{font-size:14px;font-weight:600;color:#3a3a3a;margin-bottom:6px}
.qry .faq-a{font-size:13px;color:#666;line-height:1.7}

/* === 介绍文 === */
.blurb{font-size:14px;color:#666;margin-bottom:18px;line-height:1.9}
.guide-text{font-size:14px;color:#666;margin-bottom:16px}
.tips{margin-top:16px;padding:12px 16px;background:#FBE9E7;border:1px solid #FFCCBC;border-radius:4px;font-size:13px;color:#888}

/* === 下载区 === */
.apk-row{display:flex;gap:16px}
.apk-box{flex:1;text-align:center;padding:24px 16px;background:#fffcf9;border:1px solid #fdf0ea;border-radius:8px}
.apk-box .apk-ico{font-size:36px;margin-bottom:10px}
.apk-box h5{font-size:15px;color:#3a3a3a;margin-bottom:4px}
.apk-box .apk-ver{font-size:12px;color:#9e9e9e;margin-bottom:12px}
.apk-btn{display:inline-block;padding:8px 24px;background:linear-gradient(135deg,#FF7043,#D84315);color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer}
.apk-btn:hover{opacity:.9}
.qrs{display:flex;align-items:center;justify-content:center;gap:24px;padding:20px;margin-top:16px}
.qr-box{width:120px;height:120px;background:#fdf0ea;border:1px solid #fbe9e7;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#9e9e9e}
.apk-note{font-size:12px;color:#9e9e9e;margin-top:12px;text-align:center}

/* === 侧栏 === */
.widget{background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.06);padding:20px;margin-bottom:20px}
.wdg-code{background:linear-gradient(135deg,#FBE9E7,#FFCCBC);border:1px solid #FF8A65;text-align:center}
.wdg-code .wdc-tt{font-size:15px;color:#D84315;margin-bottom:10px}
.wdg-code .wdc-val{font-size:24px;font-weight:800;color:#D84315;letter-spacing:1px;font-family:"Courier New",monospace;margin:8px 0}
.wdg-code .wdc-btn{width:100%;padding:10px;background:linear-gradient(135deg,#FF7043,#D84315);color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer}
.wdg-code .wdc-ft{font-size:11px;color:#aaa;margin-top:8px}
.wdg-tt{font-size:16px;font-weight:700;color:#2c2c2c;display:flex;align-items:center;gap:6px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid #fdf0ea}
.wdg-tt::before{content:'';width:3px;height:16px;background:#D84315;border-radius:2px}
.hotlist{display:flex;flex-direction:column;gap:10px}
.hot{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f5f5f5;font-size:13px}
.hot:last-child{border-bottom:none}
.hot-tag{padding:1px 8px;border-radius:3px;font-size:11px;flex-shrink:0;margin-left:8px}
.ht-red{background:#ffeaea;color:#c62828;border:1px solid #ef9a9a}
.ht-green{background:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}
.ht-blue{background:#e3f2fd;color:#1565c0;border:1px solid #90caf9}

/* === 侧栏列表 === */
.props{display:flex;flex-direction:column;gap:10px}
.prop{display:flex;align-items:center;gap:8px;font-size:13px;color:#666}
.prop-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* === 友链 === */
.friends{max-width:1200px;margin:0 auto;padding:20px 24px;display:flex;align-items:center;gap:16px;font-size:13px;color:#9e9e9e;flex-wrap:wrap}
.friends b{color:#666;white-space:nowrap}
.friends a{color:#888}
.friends a:hover{color:#D84315}

/* === 底部 === */
.foot{background:#2c2c2c;color:#9e9e9e;padding:24px;text-align:center;font-size:13px}
.foot a{color:#bbb}
.foot a:hover{color:#D84315}
.foot .foot-nav{margin-bottom:10px}
.foot .foot-cr{font-size:12px;color:#777;line-height:2}

/* === 响应式 === */
@media(max-width:900px){
  .page{flex-direction:column}
  .page-side{width:100%}
  .topbox{flex-direction:column;text-align:center}
  .statcard{width:100%}
  .inv-wrap{justify-content:center}
  .tb-acts{justify-content:center}
  .triple{grid-template-columns:repeat(2,1fr)}
  .steplist{flex-wrap:wrap}
  .step+.step::after{display:none}
  .double{grid-template-columns:1fr}
  .apk-row{flex-direction:column}
  .nb-menu{display:none}
}
@media(max-width:480px){
  .triple{grid-template-columns:1fr}
  .topnav{display:none}
  .bcrumbs{display:none}
}