:root{
  --bg:#F5F6FA;--card:#FFFFFF;--ink:#1F2433;--ink-2:#5A6076;--ink-3:#9AA0B4;
  --brand:#5B6CFF;--shadow:0 4px 16px rgba(40,52,120,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",Nunito,Inter,Arial,sans-serif;
  background:#E9ECF7;color:var(--ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
}
.phone{
  max-width:480px;margin:0 auto;background:var(--bg);min-height:100vh;
  padding-bottom:24px;position:relative;box-shadow:0 0 40px rgba(40,52,120,.08);
}
@media (min-width:520px){
  body{padding:24px 0}
  .phone{border-radius:28px;overflow:hidden;min-height:calc(100vh - 48px)}
}
.hero{
  background:linear-gradient(135deg,#FF6B6B 0%,#FF9F5A 45%,#FFD166 100%);
  color:#fff;padding:22px 18px 28px;position:relative;overflow:hidden;
}
.hero::before{content:"";position:absolute;right:-40px;top:-40px;width:170px;height:170px;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%)}
.hero::after{content:"";position:absolute;left:-30px;bottom:-70px;width:150px;height:150px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.hero h1{margin:0;font-size:22px;font-weight:800;letter-spacing:.5px;position:relative;z-index:1}
.hero p{margin:6px 0 0;font-size:13px;opacity:.92;position:relative;z-index:1}
.stages{
  display:flex;align-items:center;gap:3px;margin:16px 10px 0;padding:5px;
  background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow-x:auto;scrollbar-width:none;
}
.stages::-webkit-scrollbar{display:none}
.stage-tab{
  flex:1 1 0;min-width:0;display:flex;align-items:center;justify-content:center;gap:4px;
  height:36px;padding:0 5px;border-radius:10px;text-decoration:none;
  color:var(--ink-2);font-size:11px;font-weight:600;white-space:nowrap;
  transition:background .15s ease,color .15s ease;
}
.stage-tab:active{background:#F4F5FB}
.stage-tab .dot{width:6px;height:6px;border-radius:50%;flex:none}
.stage-tab.active{background:#F0F1FF;color:var(--brand)}
section.block{background:var(--card);margin:14px 12px 0;border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.block-head{display:flex;align-items:center;gap:10px;padding:15px 16px 6px}
.block-head .bar{width:4px;height:16px;border-radius:3px}
.block-head h2{margin:0;font-size:16px;font-weight:800;letter-spacing:.3px}
.block-head .sub{margin-left:auto;font-size:11px;color:var(--ink-3);font-weight:500}
.sub-group{padding:6px 12px 14px}
.sub-title{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--ink);margin:12px 4px 9px}
.sub-title .dot{width:6px;height:6px;border-radius:50%}
.sub-title:first-child{margin-top:4px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.tile{
  border:0;border-radius:13px;padding:14px 6px;cursor:pointer;font-family:inherit;
  font-size:13px;font-weight:600;line-height:1.25;text-align:center;
  transition:transform .15s ease, box-shadow .15s ease;
  display:flex;align-items:center;justify-content:center;min-height:52px;
  word-break:break-all;text-decoration:none;position:relative;color:inherit;
}
.tile:active{transform:scale(.95)}
.tile.hot{font-weight:800;box-shadow:0 3px 10px rgba(0,0,0,.06)}
.tile.no-link{opacity:.45;cursor:default}
.tile.no-link:active{transform:none}
.tile.sub-tile{font-size:12px;font-weight:500;min-height:46px;opacity:.85}
.c-purple{background:#EFE9FF;color:#7357E0}.c-purple.hot{background:#9C7BFF;color:#fff}
.c-green{background:#E2F7EF;color:#2FA67A}.c-green.hot{background:#55C59D;color:#fff}
.c-orange{background:#FFEDDF;color:#E27B2F}.c-orange.hot{background:#FF9F5A;color:#fff}
.c-cyan{background:#E0F4FC;color:#2C97C9}.c-cyan.hot{background:#4FC3F7;color:#fff}
.c-pink{background:#FFE8F2;color:#E55A98}.c-pink.hot{background:#FF7AB6;color:#fff}
.c-yellow{background:#FFF5DC;color:#C89216}.c-yellow.hot{background:#FFD166;color:#fff}
.c-red{background:#FFE6E6;color:#E04848}.c-red.hot{background:#FF6B6B;color:#fff}
.c-brand{background:#EEF0FF;color:#4A5AE0}.c-brand.hot{background:#5B6CFF;color:#fff}
.new-badge{
  display:inline-block;background:#FF6B6B;color:#fff;font-size:9px;font-weight:700;
  padding:1px 5px;border-radius:6px;margin-left:4px;vertical-align:middle;line-height:1.4;
}
.tour-nav-foot{text-align:center;color:var(--ink-3);font-size:11px;padding:22px 16px 8px}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:10px}
@media (prefers-reduced-motion: reduce){*{transition:none !important;scroll-behavior:auto !important}}